CN112007285A

CN112007285A - Hair-growing comb

Info

Publication number: CN112007285A
Application number: CN202010856410.1A
Authority: CN
Inventors: 董松; 程辉
Original assignee: Ogawa Intelligent Health Technology Group Co Ltd; Zhangzhou Easepal Industrial Co Ltd
Current assignee: Ogawa Intelligent Health Technology Group Co Ltd; Zhangzhou Easepal Industrial Co Ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2020-12-01

Abstract

This application is applicable to comb technical field, provides a hair growing comb, includes: the host is provided with a first conductive piece which can be contacted; the control board is arranged in the host and is electrically connected with the first conductive piece; the comb tooth mechanism comprises a plurality of metal comb teeth which are electrically connected to the control panel; the laser generator is arranged on the host and electrically connected with the control panel, and is used for irradiating the scalp of the human body; the first conductive piece is electrically connected with the metal comb teeth through the control panel, and when the hand of the human body is contacted with the first conductive piece and the metal comb teeth are contacted with the scalp of the human body, the hand of the human body, the first conductive piece, the control panel, the metal comb teeth and the scalp of the human body form a micro-current loop; the control board can control the laser generator to be turned on or off according to whether the micro-current is detected or the micro-current flowing through the control board is changed. The laser generator is opened when the metal broach combs the head, closes when contactless, prevents that laser generator from opening by mistake and leading to the human eyes of injury when not needing to use, improves the security performance of hair comb.

Description

Hair-growing comb

Technical Field

The application belongs to the technical field of combs, more specifically says, relates to a hair growing comb.

Background

At present, alopecia has become a problem which troubles many people and affects daily life and personal image, and with the improvement of science and technology and the improvement of living standard of people, the hair growing treatment technology and means are continuously developed, and the hair growing comb is widely applied to the life of people. The existing hair growing comb is usually matched with red laser for use, and the red laser penetrates cortical cells of human scalp through low-energy laser (generally, 650nm wavelength in medical grade) with certain wavelength, so that some favorable stimulation is generated on the cells, and hair regeneration is promoted. It should be noted that the red laser lamp used in the hair comb is usually Class IIIA, the output power is 1-5mW, Class IIIA is continuous laser of visible light, usually 1mW laser can cause dizzy and cannot be thought, 1-5mW laser beam, when observed in the beam, temporary blindness can be caused, and long-time direct vision red laser can cause irreversible damage to children in growth and development period. The focusing size increases the risk of injury to the eye by observing the laser with a telescopic device.

However, the red laser of the hair comb in the current market is generally turned on or off by the induction of the distance sensor, and when a user faces the distance sensor in a short distance, the red laser is turned on, which is easy to cause injury to the eyes of the user; in addition, the distance sensor easily causes the false opening of the red laser, so that the power consumption is large, and the long-time use of the hair comb is not facilitated.

Disclosure of Invention

One of the purposes of the embodiment of the application is as follows: the utility model provides a hair growing comb, aims at solving prior art, the red light laser of hair growing comb leads to the technical problem that user's eyes are injured easily.

In order to solve the technical problem, the embodiment of the application adopts the following technical scheme:

there is provided a hair growing comb comprising:

the host is provided with a first conductive piece which can be contacted;

the control board is arranged in the host and is electrically connected with the first conductive piece;

the comb tooth mechanism comprises a plurality of metal comb teeth, and the metal comb teeth are electrically connected to the control panel;

the laser generator is arranged on the host and electrically connected to the control panel, and is used for irradiating the scalp of the human body;

the first conductive piece is electrically connected with the metal comb teeth through the control panel, and when a human hand is in contact with the first conductive piece and the metal comb teeth are in contact with a human scalp, the human hand, the first conductive piece, the control panel, the metal comb teeth and the human scalp form a micro-current loop;

the control board can control the laser generator to be turned on or off according to whether the micro-current or the micro-current flowing through the control board is detected or not.

In one embodiment, the control board is provided with:

a micro control unit;

the micro-current detection unit is electrically connected with the micro-control unit, the first conductive piece and the metal comb teeth respectively;

and the laser control circuit is electrically connected with the micro control unit and the laser generator and can control the laser generator to be turned on or turned off.

In one embodiment, a first resistor and a second resistor are arranged in the main machine, and the first resistor and the second resistor are connected in series to form a conductive loop;

the micro-current loop is connected with the first resistor in parallel; and the control board detects the voltage change at two ends of the second resistor to control the laser generator to be switched on or switched off.

In one embodiment, the comb mechanism further comprises a liquid storage tank mounted on the main machine; the metal broach is used for deriving the hair tonic in the liquid reserve tank, and is a plurality of the metal broach interval distribution is in on the liquid reserve tank.

In one embodiment, a lens is arranged on the main machine, the lens cover is arranged on the laser generator and penetrates through the liquid storage tank, and the plurality of metal comb teeth are arranged around the periphery of the lens.

In one embodiment, the hair comb further comprises a second conductive member and a third conductive member, the second conductive member is disposed on the main body and electrically connected to the control board, the third conductive member is disposed on the liquid storage tank and abuts against the second conductive member, and at least one of the metal comb teeth is conducted with the third conductive member.

In one embodiment, the periphery of each metal comb tooth is sleeved with a conductive ring, and two adjacent conductive rings are connected through a conductive sheet.

In one embodiment, the metal comb teeth comprise:

the comb tooth sleeve is arranged on the liquid storage tank and is respectively communicated with the inside and the outside of the liquid storage tank, and at least one comb tooth sleeve is electrically connected to the control board;

the ball is movably arranged at the opening of the comb tooth sleeve;

the elastic piece is abutted between the comb tooth sleeve and the ball and can bounce the ball to block the opening of the comb tooth sleeve.

In one embodiment, the inner peripheral wall of the comb tooth sleeve is provided with a flow limiting ring, and the flow limiting ring is abutted against the ball bearing so as to fill a gap between the ball bearing and the inner peripheral wall of the comb tooth sleeve.

In one embodiment, the comb sleeve comprises a first sleeve and a second sleeve, the first sleeve is arranged on the liquid storage tank and at least partially sleeved in the second sleeve, and the control panel is electrically connected to the first sleeve; at least part of the second sleeve extends out of the liquid storage tank, the ball is movably arranged at an opening of the second sleeve, and the elastic piece is arranged in the second sleeve and abutted between the first sleeve and the ball.

In one embodiment, the comb tooth mechanism further comprises a filter screen arranged in the liquid storage tank, and the filter screen is covered on each metal comb tooth.

In one embodiment, the comb tooth mechanism further comprises a first liquid passing plate and a second liquid passing plate, the filter screen is arranged between the first liquid passing plate and the second liquid passing plate, the first liquid passing plate is covered on each metal comb tooth, and the first liquid passing plate is provided with a plurality of liquid passing holes which are in one-to-one correspondence communication with the metal comb teeth.

The application provides a hair growing comb's beneficial effect lies in: compared with the prior art, this application is through setting up the first electrically conductive electricity on the host computer and connecting in the control panel, and the metal broach electricity is connected in the control panel for first electrically conductive piece is connected in the metal broach through the control panel electricity. So, during the use, the first electrically conductive piece of user handheld host computer and human hand contact, and when metal broach comb head was with the contact scalp, human hand, first electrically conductive piece, the control panel, metal broach and human scalp form little current loop, the change of little current or the little current of control panel detection flow through the control panel is detected to the control panel this moment, thereby control laser generator opens, and little current loop disconnection when the metal broach leaves the scalp, the control panel fails to detect little current or fails to detect the change of the little current of flow through the control panel, thereby control laser generator closes, realize that laser generator's automation is opened and the work of closing. That is, laser generator just opens when the metal broach is combed, closes when the metal broach is contactless, prevents that laser generator from opening by mistake and leading to causing the injury to human eyes when not needing to use, has improved the security performance of hair growing comb.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective structural view of a hair comb provided in an embodiment of the present application;

FIG. 2 is an exploded view of a hair comb provided in accordance with an embodiment of the present application;

FIG. 3 is a cross-sectional view of a hair comb provided in accordance with an embodiment of the present application;

FIG. 4 is a flow chart of the operation of a hair comb provided by an embodiment of the present application;

FIG. 5 is a schematic view of a micro-current circuit of a hair comb provided in an embodiment of the present application;

FIG. 6 is an exploded view of a comb tooth mechanism of a hair comb provided in accordance with an embodiment of the present application;

fig. 7 is a sectional view of metal comb teeth of a hair growing comb according to an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

1-a host; 11-a first cavity; 12-a first housing; 13-a second housing; 131-a first screw hole; 14-a battery; 15-a power manager; 16-an electric machine; 17-a buzzer; 18-push-button; 2-a control panel; 21-a micro control unit; 22-a micro-current detection unit; 23-laser control circuit; 24-a motor control circuit; 25-a buzzer control circuit; 26-a keypad; 3-a conductive component; 31-a second conductive member; 311-a first spring plate; 312 — a first buffer; 313-a platen; 3131-fixed columns; 32-a third conductive member; 321-a second elastic sheet; 322-a second buffer; 33-a first wire; 34-a second wire; 4-a comb mechanism; 41-a liquid storage tank; 411-a second cavity; 412-a third housing; 4121-second screw holes; 413-a fourth housing; 414-bin mouth; 415-a bin cover; 416-fastening; 417-avoiding through grooves; 42-metal comb teeth; 421-comb tooth sleeve; 4211-a first kit; 42111 — first step; 42112-a second step; 4212-a second kit; 4213-convex edge; 422-rolling balls; 423-an elastic member; 424-restrictor ring; 43-a fourth conductive member; 431-conductive rings; 432-a conductive sheet; 44-a filter screen; 441-a recess; 45-a first liquid passing plate; 451-first liquid passing hole; 46-a second liquid through plate; 461-second liquid passing hole; 5-a laser generator; 51-laser plate; 52-laser light; 6-a first conductive member; 7-a charging seat; 8-a lens; 9-a first resistance; 10-second resistance.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and can be communicated with each other inside the two components or in an interaction relationship of the two components; similarly, the communication may be direct or indirect via an intermediary. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In order to explain the technical solutions of the present application, the following detailed descriptions are made with reference to specific drawings and examples.

Referring to fig. 1 to 3 together, a hair growing comb according to an embodiment of the present application will now be described. The hair growing comb that this application embodiment provided includes host computer 1, control panel 2, broach mechanism 4 and laser generator 5.

The main machine 1 is provided with a first conductive piece 6, and at least part of the first conductive piece 6 is exposed outside, so that the first conductive piece 6 can contact with the hand of a human body when the main machine 1 is held by hand. The main body 1 is internally provided with a first cavity 11, and the control board 2 is arranged in the first cavity 11 of the main body 1 and electrically connected to the first conductive piece 6. The comb teeth mechanism 4 includes a plurality of metal comb teeth 42, the plurality of metal comb teeth 42 are aligned in orientation for combing and massaging the human scalp, and at least one of the metal comb teeth 42 is electrically connected to the control board 2, so that the first conductive member 6 is electrically connected to the metal comb teeth 42 through the control board 2. Laser generator 5 locates on host computer 1 and the electricity is connected in control panel 2, and laser generator 5 can send ruddiness laser, and laser generator 5's light-emitting direction is the same with metal broach 42's orientation to metal broach 42 sends ruddiness laser to human scalp when combing, thereby shines human scalp. Host computer 1 is handed to human hand, when human hand contact first conductive piece 6 and metal broach 42 contact human scalp, human hand, first conductive piece 6, control panel 2, metal broach 42 and human scalp form little current loop, and control panel 2 can be according to whether detecting little current or detecting the change of the little current of flowing through control panel 2 to the opening and closing of automatic control laser generator 5.

In the embodiment of the present application, the first conductive device 6 on the host 1 is electrically connected to the control board 2, the comb mechanism 4 is installed on the host 1, and the at least one metal comb 42 is electrically connected to the control board 2, so that the first conductive device 6 is electrically connected to the metal comb 42 through the control board 2. So, during the use, user handheld host computer 1 and the first piece 6 that leads of human hand contact, and when metal broach 42 comb head is with the contact scalp, human hand, first piece 6 that leads, control panel 2, metal broach 42 and human scalp form a little current circuit, control panel 2 detects little current or control panel 2 detects the change of the little current of control panel 2 of flowing through this moment, thereby control laser generator 5 opens, and little current circuit disconnection when metal broach 42 leaves the scalp, control panel 2 fails to detect little current or control panel 2 fails to detect the change of the little current of flowing through control panel 2, thereby control laser generator 5 closes, realize that laser generator 5's automation opens and closes work. That is, this application embodiment adopts little current detection technique for laser generator 5 is handheld the first electrically conductive piece of contact 6 of user and metal broach 42 just opens automatically when combing, self-closing when metal broach 42 leaves human scalp, then the unable human eyes of shining of ruddiness laser that laser generator 5 sent, prevent that laser generator 5 from opening by mistake and leading to causing the injury to human eyes when not needing the use, eliminate the potential safety hazard, improved the security performance of hair comb. When the hair comb is used, a user holds the host 1 by hand and the hand of the human body contacts the first conductive piece 6, when at least one metal comb tooth 42 electrically connected to the control board 2 contacts the scalp of the human body, the hand of the human body, the first conductive piece 6, the control board 2, the metal comb tooth 42 and the scalp of the human body form a micro-current loop, at the moment, the control board 2 controls the laser generator 5 to emit red laser to irradiate the hair follicle of the scalp of the human body, meanwhile, the metal comb tooth 42 can massage the scalp of the human body, and the comfort level of the scalp of.

In addition, in the present embodiment, the metal comb teeth 42 can temporarily store the hair tonic, and when the metal comb teeth 42 contact and massage the scalp of the human body, the metal comb teeth 42 can guide the hair tonic temporarily stored therein to the scalp of the human body, so that the hair tonic nourishes the scalp of the human body. When the metal comb teeth 42 leave the scalp of the human body, the metal comb teeth 42 stop leading out the hair tonic.

Specifically, in the present embodiment, the metal comb teeth 42 are conductors for detecting micro-current by guiding out the hair growth liquid attached to the scalp during combing, which is helpful to improve the transmission of micro-current signals, thereby facilitating to improve the efficiency and accuracy of the control panel 2 for controlling the laser generator 5 to be turned on. And, when the metal broach 42 combs the head, the metal broach 42 contacts the human scalp, the control panel 2 controls the laser generator 5 to be opened, the hair growth liquid on the metal broach 42 is synchronously led out to the human scalp, the red laser with the wavelength of 650nm emitted by the laser generator 5 stimulates the hair follicle, the hair follicle function of the human scalp is gradually enhanced, the blood circulation is also locally accelerated, meanwhile, the hair growth liquid synchronously nourishes the scalp, the environment of the scalp is conditioned, hair follicle garbage is cleared, the hair follicle is dredged, the grease secretion value is controlled, the excessive grease is prevented from accumulating in the hair follicle to influence the growth of the hair, and a large amount of nutrition required by the growth of the hair is supplemented, the nutrition supply state of the hair follicle is improved, the environment generation of the growth of the hair is promoted. So, when metal broach 42 combed, metal broach 42 derived hair growth liquid, and laser generator 5 was controlled by control panel 2 and opened in step, then the ruddiness laser energy that laser generator 5 sent just cooperatees with hair growth liquid simultaneous working to reach fine hair growth effect, improve work efficiency.

It should be further explained here that, in the embodiment of the present application, the ruddiness laser that laser generator 5 sent is narrow light beam, calorific capacity is great, laser generator 5 just opens when metal broach 42 combs the head, leave human scalp at metal broach 42, that is also laser generator 5 opens when metal broach 42 uses, then self-closing when not using, the long-time work of ruddiness laser and the probability that produces high temperature and lead to accelerating laser generator 5 ageing has been reduced, laser generator 5's automatic switch function has practiced thrift the consumption of host computer 1, the large amount of losses of battery power has been avoided, influence next use, also do benefit to the life who prolongs the comb simultaneously.

Referring to fig. 2 and 3, in an embodiment, the first conductive member 6 has a structure with a plating layer on an outer surface, which has a conductive function. The host 1 includes a first casing 12 and a second casing 13, the first casing 12 and the second casing 13 enclose the first cavity 11, the first conductive member 6 is disposed between the first casing 12 and the second casing 13, and the edge of the first conductive member 6 is exposed to the outside, so that a user can contact the first conductive member 6 when holding the host 1.

Referring to fig. 2, in the embodiment, the hair comb further includes a conductive member 3, the conductive member 3 is electrically connected to the control board 2, and the conductive member 3 is electrically connected to the at least one metal comb 42, that is, the control board 2 is electrically connected to the at least one metal comb 42 through the conductive member 3. The control board 2 is connected with a first wire 33 and a second wire 34, the first wire 33 is electrically connected to the first conductive member 6, the second wire 34 is electrically connected to the conductive member 3, so that the control board 2 is electrically connected to the first conductive member 6 and the conductive member 3, respectively. Wherein, a fixing hole is formed on the first conductive member 6, the first wire 33 is connected with a conductive ring, the conductive ring is tightly attached to the first conductive member 6 and fixed in the fixing hole through a fastening member, and then the conductive ring is matched with the first conductive member 6 to be conducted to realize the electrical connection between the first conductive member 6 and the first wire 33, that is, the electrical connection between the control board 2 and the first conductive member 6 is realized. Of course, in this embodiment, there are many ways to make the first conductive wire 33 and the first conductive member 6 conductive, which are not listed here. It should be noted here that when the human body holds the hand and contacts the first conductive member 6, and the metal comb teeth 42 comb the head, the human hand, the first conductive member 6, the control board 2, the metal comb teeth 42 and the human scalp form a micro-current circuit, and the control board 2 detects micro-current or detects the change of micro-current flowing through the control board 2 to control the laser generator 5 to emit red laser light.

Referring to fig. 4, in one embodiment, a micro control Unit 21 (MCU) is provided on the control board 2, a micro current detection Unit 22, and a laser control circuit 23. The micro-current detecting unit 22 is electrically connected to the first conductive member 6 and the conductive member 3, and is used for detecting micro-current, including detecting whether micro-current exists or detecting a change in micro-current. And the micro-current detecting unit 22 is also electrically connected to the micro-control unit 21 and is capable of transmitting a signal to the micro-control unit 21. The laser control circuit 23 is electrically connected to the micro control unit 21 and the laser generator 5, respectively, and the laser control circuit 23 can control the laser generator 5 to be turned on or off under the control of the micro control unit 21.

In this embodiment, the work flow of the hair comb is specifically: the handheld host computer 1 of user and human hand contact first conductive piece 6, when using metal broach 42 comb head, metal broach 42 contact human scalp, the microcurrent is through the human body this moment, human hand, first conductive piece 6, the little current detecting element 22 of control panel 2, metal broach 42 and human scalp form little current circuit, the comb of giving birth to this moment is in operating condition, then little current detecting element 22 detects the microcurrent or detects the change of the microcurrent that flows through this microcurrent detecting element 22, and to little the control unit 21 transmission signal, little the control unit 21 receives the signal and sends the instruction of opening laser generator 5 to laser control circuit 23, so that laser generator 5 is opened in laser control circuit 23 control, then laser generator 5 sends ruddiness laser. When the metal comb teeth 42 leave the scalp of the human body, the micro-current loop formed by the hand of the human body, the first conductive piece 6, the micro-current detection unit 22 of the control board 2, the metal comb teeth 42 and the scalp of the human body is disconnected, at this moment, the hair growing comb is in a non-working state, the micro-current detection unit 22 does not detect micro-current or can detect the change of the micro-current flowing through the micro-current detection unit 22, so that related signals are transmitted to the micro-control unit 21, and the micro-control unit 21 sends an instruction for closing the laser generator 5 to the laser control circuit 23, so that the laser control circuit 23 controls the laser generator 5 to be closed. It should be noted here that when the micro-current detecting unit 22 detects a micro-current or detects a change in the micro-current, an electrical signal is transmitted to the micro-control unit 21, the micro-control unit 21 receives the electrical signal, converts the electrical signal into a calculation, compares the calculation result with a set threshold, and when the calculated result exceeds the set threshold, it can be determined that the metal comb 42 contacts the scalp of the human body and is in a working state, and the micro-control unit 21 sends an instruction for turning on the laser generator 5 to the laser control circuit 23, so that the laser generator 5 is turned on; on the contrary, when the result calculated by the micro control unit 21 is smaller than the set threshold, it can be determined that the metal comb 42 does not contact the scalp of the human body or is in a non-working state, and the micro control unit 21 sends an instruction for turning off the laser generator 5 to the laser control circuit 23, so that the laser generator 5 is turned off.

Referring to fig. 2 to 4, in an embodiment, the control board 2 further includes a key board 26, a buzzer control circuit 25 and a motor control circuit 24, and the key board 26, the buzzer control circuit 25 and the motor control circuit 24 are electrically connected to the micro control unit 21. The main machine 1 is also provided with a buzzer 17, a motor 16 and a key 18, the key 18 is opposite to the key board 26, and the key board 26 is triggered when being pressed by a user, so that the micro control unit 21 is triggered to work, and the setting of the key 18 is convenient for the user to operate and select functions. The buzzer 17 is used for realizing the alarm prompting function, the micro control unit 21 sends an instruction to the buzzer control circuit 25, and the buzzer control circuit 25 controls the buzzer 17 to sound or close. In addition, the motor 16 is used for driving the metal comb teeth 42 to vibrate to perform massage work on the scalp of the human body, the user selects the massage function through the keys 18, and the micro control unit 21 can send instructions to the motor control circuit 24, so that the motor control circuit 24 controls the motor 16 to vibrate to drive the metal comb teeth 42 to vibrate to perform massage operation.

In a specific embodiment, a power connector and a battery 14 are further arranged in the main machine 1, the hair growing comb further comprises a charging seat 7, and the charging seat 7 is communicated with the power connector to charge the main machine 1. The control panel 2 is further provided with a power manager 15, the power manager 15 is electrically connected to a power connector and the battery 14, and the power manager 15 is electrically connected to the micro control unit 21, so as to supply power to the micro control unit 21, the buzzer 17, the motor 16 and the red light laser generator 5.

Referring to fig. 5, in one embodiment, the control board 2 controls the laser generator 5 to be turned on or off by detecting a change in the micro-current flowing through the control board 2. The method specifically comprises the following steps: a first resistor 9 and a second resistor 10 are arranged in the host 1, the first resistor 9 and the second resistor 9 are connected in series to form a conductive loop, and the second resistor 10 is grounded. The micro-current circuit is connected in parallel with the first resistor 9, namely the first resistor 9, and is connected to the micro-current return, and the micro-current return is formed by the human hand, the first conductive piece 6, the control board 2, the metal comb 42 and the human scalp. The control board 2 can control the laser generator 5 to be turned on or off by detecting a voltage change across the second resistor 10. When the hand of the human body contacts the first conductive piece 6 and the metal comb 42 contacts the scalp of the human body, which is equivalent to that a resistor is connected in parallel to the first resistor 9, the current flowing through the second resistor 10 is increased, the control board 2 can detect the voltage value at the two ends of the second resistor 10, and when the voltage value of the second resistor 10 detected by the control board 2 is greater than the preset value, the control board 2 controls the laser 5 to be turned on.

Referring to fig. 2 and 3, in one embodiment, the comb mechanism 4 further includes a liquid storage tank 41, and the liquid storage tank 41 is detachably mounted on the main body 1, specifically, the liquid storage tank 41 is mounted on the outer side of the second housing 13. A plurality of metal broach 42 interval distribution is on liquid reserve tank 41, and is formed with second die cavity 411 in the liquid reserve tank 41, and second die cavity 411 is used for storing hair tonic. The metal comb teeth 42 are communicated with the second cavity 411 of the liquid storage tank 41 and can guide the hair tonic in the second cavity 411 to the scalp of the human body when combing.

In a specific embodiment, the liquid storage tank 41 is provided with a space-avoiding through groove 417 isolated from the second cavity 411, the space-avoiding through groove 417 penetrates through the liquid storage tank 41, and the plurality of metal comb teeth 42 are surrounded around the space-avoiding through groove 417. The host 1 is provided with a lens 8, the lens 8 is arranged in a first cavity 11 of the host 1 and fixed on a second shell 13, and at least part of the lens 8 is arranged by the second shell 13 in a protruding way. When the liquid storage tank 41 is mounted on the main body 1, the liquid storage tank 41 is mounted on the outer side of the second housing 13, a portion of the lens 8 passes through the avoiding through groove 417 of the liquid storage tank 41, and the plurality of metal comb teeth 42 are arranged around the lens 8. Laser generator 5 locates in the first die cavity 11 of host computer 1 and laser generator 5 fixes on second shell 13, lens 8 covers and locates on laser generator 5 and just to laser generator 5, so that the ruddiness laser that laser generator 5 sent passes through lens 8 and transmits to the outside, and, a plurality of metal broach 42 enclose close in lens 8's periphery, laser generator 5's light-emitting direction sets up with the orientation is the same of each metal broach 42, so that human scalp is handled in the cooperation of the ruddiness laser that makes laser generator 5 send and metal broach 42. Wherein the outer side of the lens 8 is flush with the outer side of the reservoir 41 for improved aesthetics.

Referring to fig. 2, in an exemplary embodiment, the laser generator 5 includes a laser plate 51 and a laser lamp 52 disposed on the laser plate 51, the laser plate 51 is electrically connected to the control board 2 and fixed on the second housing 13, and the laser lamp 52 faces the lens 8 and can emit red laser light to the outside through the lens 8.

Referring to fig. 2 and 3, in one embodiment, the conductive element 3 includes a second conductive member 31 and a third conductive member 32, the second conductive member 31 is disposed in the host 1 and fixed on the second housing 13, at least a portion of the second conductive member 31 extends out of the second housing 13, and the second conductive member 31 is electrically connected to the control board 2. The third conductive member 32 is disposed in the liquid storage tank 41, at least a portion of the third conductive member 32 is exposed to the outside, and the at least one metal comb 42 is electrically connected to the third conductive member 32. When the liquid storage tank 41 is mounted on the second housing 13 of the host 1, the second conductive member 31 elastically abuts against the third conductive member 32, so as to achieve the conduction between the at least one metal comb 42 and the control board 2.

In this embodiment, two second conductive members 31 and two third conductive members 32 are provided, the two second conductive members 31 are electrically connected to the control board 2 through the second wires 34, the two third conductive members 32 correspondingly conduct the two second conductive members 31 one to one, and the two second conductive members 31 correspondingly abut against the two metal comb teeth 42 one to one. Of course, in other embodiments, one or more than three second conductive members 31 and three third conductive members 32 may be provided, and the third conductive members 32 are abutted against the metal comb teeth 42 in a one-to-one correspondence to achieve conduction with at least one metal comb tooth 42.

It should be noted that the second conductive member 31 includes a first elastic piece 311, a first buffer member 312 and a pressing plate 313, the first elastic piece 311 is a metal elastic piece, and the first elastic piece 311 is connected to the second wire 34 and is electrically connected to the control board 2 through the second wire 34. The second housing 13 is provided with a first screw hole 131, the first screw hole 131 is communicated with the first cavity 11 and the outside, and the inner peripheral wall of the first screw hole 131 is provided with a circle of steps. The first elastic sheet 311 passes through the first screw hole 131 and extends out of the second housing 13 to abut against the third conductive member 32, and the edge of the first elastic sheet 311 is limited by the step of the first screw hole 131, so as to limit the stroke of the first elastic sheet 311 extending out of the second housing 13. The pressing plate 313 is fixed on the second housing 13, the first cushion member 312 is a metal member, and the first cushion member 312 abuts between the pressing plate 313 and the first elastic sheet 311, so that the first elastic sheet 311 can elastically move in the first screw hole 131 under the action of the first cushion member 312. Specifically, in this embodiment, the first buffer 312 is a spring, the pressing plate 313 is provided with a fixing post 3131, one end of the spring is sleeved on the fixing post 3131, and the other end of the spring is connected to the first elastic sheet 311, so that the first elastic sheet 311 is ejected out of the second housing 13 under the action of the spring. When the liquid storage tank 41 is mounted on the second housing 13, the first elastic sheet 311 elastically abuts against the third conductive member 32 under the action of the spring, and at this time, the spring is in a power accumulation state, and the spring can adjust the position of the first elastic sheet 311 abutting against the third conductive member 32, so that the first elastic sheet 311 is ensured to be conducted with the third conductive member 32, and the accuracy of conducting the first elastic sheet 311 with the third conductive member 32 is improved.

It should be further noted that the third conductive member 32 includes a second elastic sheet 321 and a second buffer 322, the second elastic sheet 321 is a metal elastic sheet, the second elastic sheet 321 extends into the second cavity 411 of the liquid storage tank 41, and at least a portion of the second elastic sheet 321 is exposed to the outside. The second buffer member 322 is a metal member, and the second buffer member 322 abuts against and is held between the second elastic sheet 321 and the at least one metal comb 42, so that the at least one metal comb 42 is conducted with the second elastic sheet 321 through the second buffer member 322, and the second elastic sheet 321 can elastically move under the action of the second buffer member 322. When the liquid storage tank 41 is mounted on the second housing 13, the second elastic piece 321 is outwardly sprung under the action of the second buffer 322 and elastically abuts against the first elastic piece 311 of the second conductive member 31, at this time, the second buffer 322 is in a force accumulation state, and the second buffer 322 can adjust the position of the second elastic piece 321 abutting against the first elastic piece 311, so that the second elastic piece 321 is ensured to be connected with the first elastic piece 311, and the accuracy of connection between the first elastic piece 311 and the second elastic piece 321 is improved. When the first resilient tab 311 elastically abuts against the second resilient tab 321, the at least one metal comb 42 is electrically connected to the control board 2 sequentially through the second buffer 322, the second resilient tab 321, the first resilient tab 311, and the second wire 34.

Referring to fig. 2, 3 and 6, in an embodiment, the liquid storage tank 41 includes a third housing 412 and a fourth housing 413 which are covered with each other, the third housing 412 and the fourth housing 413 enclose the second cavity 411, the second cavity 411 is used for storing hair-growing liquid, and the plurality of metal comb teeth 42 are disposed on the fourth housing 413 and are communicated with the second cavity 411. The third housing 412 is provided with a second screw hole 4121 communicating with the second cavity 411, the inner peripheral wall of the second screw hole 4121 is also provided with a circle of steps, the second elastic sheet 321 is a metal screw, the metal screw passes through the second screw hole 4121, and the edge of the metal screw is limited on the steps to ensure that at least part of the metal screw is exposed outside. The second buffer 322 is a spring, and the spring is sleeved on the metal screw, and one end of the spring abuts against the metal comb 42, so that the metal screw can move in the second screw hole 4121 under the action of the spring to elastically abut against the first elastic sheet 311.

So, when human head contact metal broach 42, metal broach 42 exports the hair growth liquid, and human hand, first electrically conductive 6, control panel 2, first shell fragment 311, second shell fragment 321, second bolster 322, metal broach 42 and human scalp form little current loop to make little current detecting element 22 on the control panel 2 detect little current, so that control panel 2 control laser generator 5 sends ruddiness laser. When the metal comb teeth 42 leave the scalp, the micro-current circuit is disconnected, the metal comb teeth 42 stop leading out the hair growth liquid, and the control panel 2 controls the laser generator 5 to be closed.

Referring to fig. 2, fig. 3 and fig. 6, in a specific embodiment, a bin opening 414 communicated with the second cavity 411 is formed on the third housing 412, and a bin cover 415 is covered on the bin opening 414, so that when the liquid storage tank 41 is detached from the main body 1, the bin cover 415 can be opened, and the hair tonic is injected into the second cavity 411 through the bin opening 414, so that the hair tonic is stored in the second cavity 411, and the hair tonic is guided out of the scalp of the human body by the metal comb teeth 42.

In a specific embodiment, a groove is formed in the outer side of the second housing 13, the third housing 412 of the reservoir 41 is installed in the groove, and the edge of the second housing 13 abuts against the edge of the fourth housing 413. A clamping groove is formed in the groove wall of the groove, a buckle 416 is convexly arranged on the third shell 412, and when the third shell 412 extends into the groove, the buckle 416 is clamped in the clamping groove, so that the liquid storage tank 41 can be detachably mounted on the host 1. In addition, a buckle may be disposed on a wall of the groove, and a clamping groove is disposed on the third housing 412 of the liquid storage tank 41, the buckle and the clamping groove form a buckle connection, so as to realize a detachable connection between the liquid storage tank 41 and the host 1. The connection mode between the main body 1 and the liquid storage tank 41 can be set to other types, and can be designed according to actual conditions.

Referring to fig. 3 and fig. 6, in an embodiment, the comb mechanism 4 further includes a fourth conductive member 43, the fourth conductive member 43 includes a conductive sheet 432 and a plurality of conductive rings 431 disposed on the conductive sheet 432 at intervals, and the conductive sheet 432 is used to connect the plurality of conductive rings 431 at intervals. Each conductive ring 431 is sleeved on the periphery of each metal comb 42 to enable the metal comb 42 to be conducted with the conductive ring 431, so that the plurality of metal combs 42 are conducted with each other through the conductive ring 431, and each metal comb 42 is electrically connected to the control board 2 through the conductive assembly 3. Therefore, no matter which metal comb 42 contacts the scalp of the human body, the metal comb 42 guides the hair growth liquid in the second cavity 411, and the hand of the human body, the first conductive piece 6, the control board 2, the conductive component 3, the metal comb 42 and the scalp of the human body all form a micro-current loop, and the micro-current detection unit 22 of the control board 2 detects micro-current and transmits the signal to the micro-processing unit 21 on the control board 2, so that the laser generator 5 is controlled to be turned on.

Referring to fig. 3 and 7, in an embodiment, the outer peripheral wall of each metal comb 42 is provided with a protruding edge 4213, the metal comb 42 penetrates through the fourth housing 413 and is communicated with the second cavity 411, the protruding edge 4213 is hung on the inner wall of the fourth housing 413, the conductive rings 431 are correspondingly sleeved on the outer peripheral wall of each metal comb 42, and the conductive rings 431 are abutted between the protruding edge 4213 and the inner wall of the fourth housing 413, so as to enhance the conductive relationship between the conductive rings 431 and the metal comb 42.

Referring to fig. 3, 5 and 6, in one embodiment, the metal comb 42 includes a comb sleeve 421, a ball 422 and a resilient member 423. The comb sleeve 421 is a hollow sleeve, and the comb sleeve 421 penetrates through the fourth housing 413 and at least partially extends out of the fourth housing 413, so that the comb sleeve 421 is respectively communicated with the inside and the outside of the second cavity 411. The ball 422 is movably arranged at the opening of the comb teeth sleeve 421, and at least part of the ball 422 extends out of the comb teeth sleeve 421 so that the ball 422 can contact and massage the scalp of a human body. And the opening of the comb teeth sleeve 421 has a closing design, so that the ball 422 can be limited on the inner wall of the opening of the comb teeth sleeve 421, and the ball 422 is prevented from completely separating from the comb teeth sleeve 421 and falling out of the outside. The elastic member 423 is pressed between the comb tooth sheath 421 and the ball 422, and the ball 422 is extended outward by the elastic force of the elastic member 423, so that at least a portion of the ball 422 is extended to the outside to contact and massage the scalp. Moreover, due to the closing design of the opening of the comb teeth sleeve 421, the ball 422 extends outwards under the elastic force of the elastic member 423 and can be limited on the inner wall of the opening of the comb teeth sleeve 421 to block the opening of the comb teeth sleeve 421, that is, the ball 422 blocks the comb teeth sleeve 421 to isolate the comb teeth sleeve 421 from the outside; when the balls 422 massage the scalp of a human body, the balls 422 can be pressed and recovered into the comb tooth sleeves 421 to increase the gap between the balls 422 and the comb tooth sleeves 421, so that the comb tooth sleeves 421 are communicated with the outside. Thus, the balls 422 can selectively block the opening of the comb sleeve 421 or open the opening of the comb sleeve 421 by the cooperation of the elastic members 423.

Here, it should be noted that the comb-teeth sleeve 421 is a metal member, and the conductive member 3 is electrically connected to the comb-teeth sleeve 421. One end of the second buffer member 322 is connected to the second elastic sheet 321, and the other end of the second buffer member 322 is connected to the comb teeth sleeve 421, so that the second buffer member 322 is conducted with the comb teeth sleeve 421, that is, the comb teeth sleeve 421 is electrically connected to the control board 2 through the conductive component 3. Moreover, the elastic element 423 and the balls 422 are metal elements, and the elastic element 423 is abutted between the comb tooth sleeve 421 and the balls 422, so that the balls 422 are electrically connected to the control board 2 through the elastic element 423, the comb tooth sleeve 421 and the conductive assembly 3 in sequence. Wherein, the elastic member 423 is a spring, and the ball 422 is a steel ball.

When the comb device is not in operation, the hair tonic in the second cavity 411 flows into each comb tooth sleeve 421 to be temporarily stored in each comb tooth sleeve 421, the ball 422 blocks the opening of the comb tooth sleeve 421 under the elastic action of the elastic piece 423 to isolate the comb tooth sleeve 421 from the outside, and at this time, the hair tonic in the comb tooth sleeve 421 cannot flow out of the outside through the opening of the comb tooth sleeve 421. When the comb teeth 42 of the comb teeth cover 421 are combed, the balls 422 massage the scalp of the human body, and at this time, the balls 422 are reversely pressed by the scalp of the human body and recovered into the comb teeth cover 421, thereby increasing the gap between the inner wall of the comb teeth cover 421 and the outer wall of the balls 422, so that the hair tonic flows out through the gap between the outer wall of the balls 422 and the inner wall of the comb teeth cover 421, and at this time, the hair tonic is attached to the outer surface of the balls 422, and when combing, the balls 422 roll on the scalp of the human body, and the hair tonic on the outer surface of the balls 422 can be brought out to the scalp of the human body. It should be further noted that when the ball 422 contacts the scalp of the human body, the hair growth liquid is led out of the scalp of the human body, and at this time, the hand of the human body, the first conductive piece 6, the control main board 2, the conductive component 3, the comb teeth sleeve 421, the elastic piece 423, the ball 422 and the scalp of the human body form a micro-current loop, and when the micro-current detection unit 22 on the control board 2 detects micro-current, the control board 2 can control the laser generator 5 to be turned on; when the metal comb teeth 42 leave the scalp of the human body, the micro-current circuit is disconnected, and the control panel 2 controls the laser generator 5 to be closed. So, when metal broach 42 comb head, it is also ball 422 massage scalp time control board 2 just controls laser generator 5 and opens that this moment ball 422 drives the hair tonic and flows, when ball 422 does not massage the scalp, laser generator 5 closes, the hair tonic does not flow this moment, so can understand that, laser generator 5 just opens when the hair tonic flows, close when the hair tonic does not flow, then can guide the user to correctly use the hair tonic, and avoid laser generator 5 to open by mistake and influence the health or lead to electric energy loss big.

Referring to fig. 7, in one embodiment, the inner circumferential wall of the comb tooth sleeve 421 is provided with a flow restriction ring 424, and the flow restriction ring 424 cooperates with the outer surface of the balls 422 to reduce the gap between the balls 422 and the inner circumferential wall of the comb tooth sleeve 421. When the hair restorer works, the balls 422 massage the scalp of a human body, the balls 422 roll to guide hair restorer on the outer surface of the balls 422 to the scalp of the human body, and the balls 422 and the flow limiting ring 424 form surface matching, so that the liquid flow of the hair restorer flowing out from the space between the balls 422 and the flow limiting ring 424 can be reduced, and the hair restorer is prevented from being wasted. In addition, under the non-working state, the limiting ring is abutted against the outer surface of the ball 422, so that the leakage-proof effect is improved.

Referring to FIG. 6, in one embodiment, comb sleeve 421 includes a first sleeve 4211 and a second sleeve 4212, each of which is a

hollow sleeve

4211 and 4212. The first sleeve 4211 is fixed on the liquid storage tank 41, the protruding edge 4213 is protruded on the outer peripheral wall of the first sleeve 4211, the first sleeve 4211 is fixed on the fourth shell 413, and the conductive ring 431 is sleeved on the outer periphery of the first sleeve 4211. Here, the first sleeve 4211 is a metal member, and the conductive ring 431 is sleeved on the outer circumference of the first sleeve 4211, so that the conductive ring 431 and the first sleeve 4211 are conducted with each other. At least part of the first sleeve 4211 is sleeved in the second sleeve 4212, a circle of first steps 42111 is formed on the outer peripheral wall of the first sleeve 4211, one end of the second sleeve 4212 abuts against the first steps 42111, and therefore mutual limiting of the first sleeve 4211 and the second sleeve 4212 is achieved. An opening of one end of the first sleeve 4211, which is away from the second sleeve 4212, is communicated with the second cavity 411, the opening on the first sleeve 4211 is flat, a circle of second step 42112 is formed on the inner peripheral wall of the first sleeve 4211, and one end of the second buffer 322 of the conductive assembly 3 abuts against the second step 42112, so that the second buffer 322 is communicated with the first sleeve 4211. At least a portion of the second sleeve 4212 extends out of the liquid storage tank 41, that is, at least a portion of the second sleeve 4212 extends out of the fourth shell 413, the ball 422 is movably disposed at an opening of the second sleeve 4212, the opening of the second sleeve 4212 has a closing design, and the elastic member 423 is disposed in the second sleeve 4212 and abuts against between the first sleeve 4211 and the ball 422. In a non-working state, the hair growth liquid in the second cavity 411 flows into the second sleeve 4212 through the first sleeve 4211, and the ball 422 blocks the opening of the second sleeve 4212 under the elastic action of the elastic piece 423 to prevent the hair growth liquid from flowing out of the outside; when the balls 422 massage the scalp, the balls 422 compress the elastic member 423 to be recovered in the second sleeve 4212 to increase the gap between the outer wall of the balls 422 and the inner wall of the second sleeve 4212, so that the hair tonic temporarily stored in the second sleeve 4212 can flow out.

It should be noted that the first sleeve 4211 is a metal member, the elastic member 423 abuts against between the first sleeve 4211 and the ball 422, and the second buffer 322 of the conductive assembly 3 abuts against the second sleeve of the first sleeve 4211, so that when the user contacts the first conductive member 6 and the ball 422 contacts and massages the scalp of the human body, the hand of the human body, the first conductive member 6, the control board 2, the conductive assembly 3, the first sleeve 4211, the elastic member 423, the ball 422 and the scalp of the human body form a micro-current loop, the control board 2 controls the laser generator 5 to be turned on, and when the ball 422 leaves the human body, the control board 2 controls the laser generator 5 to be turned off. It is also noted here that the second sleeve 4212 may be provided as a metallic or non-metallic member.

Referring to fig. 6, in an embodiment, the comb mechanism 4 further includes a filter 44 disposed in the second cavity 411 of the liquid storage tank 41, and the filter 44 is covered on each metal comb 42, that is, the filter 44 is fixed in the fourth housing 413 to cover each metal comb 42. The hair growth liquid injected from the bin opening 414 of the liquid storage tank 41 is filtered by the filter screen 44 and then flows into the comb tooth sleeve 421 of the metal comb teeth 42, so that the hair growth liquid led out by the balls 422 is the hair growth liquid filtered by the filter screen 44. Filter screen 44 filters the particle impurity in the hair tonic, avoids foreign matter, impurity in the hair tonic to flow in broach cover 421 and the card is at the inner wall of broach cover 421, causes ball 422 locked rotation to lead to ball 422 can't derive hair tonic, perhaps causes and can't hug closely and lead to hair tonic to reveal under non-operating condition between the outer wall of ball 422 and the inner wall of broach cover 421. So, the setting of filter screen 44 can reduce the risk that the gap between elastic component 423 and broach cover 421, restrictor ring 424 and broach cover 421 is blockked up, and protection broach cover 421 is not blocked, increases the life of product and the effect that the hair tonic was derived. It should be noted here that, after the hair tonic liquid was filtered to filter screen 44 for impurity on the hair tonic liquid is left over on filter screen 44 deviates from one side of metal broach 42, can pour out the clearance in order to realize impurity again to the clear water of injecting into in liquid reserve tank 41 during the cleaning, and clean maintenance is very convenient easily.

Referring to fig. 6, in an embodiment, the comb mechanism 4 further includes a first liquid passing plate 45 and a second liquid passing plate 46, the filter screen 44 is sandwiched between the first liquid passing plate 45 and the second liquid passing plate 46, the first liquid passing plate 45 is fixed on the fourth housing 413 and covers each of the metal comb teeth 42, so that the first liquid passing plate 45, the filter screen 44 and the second liquid passing plate 46 are all fixed in the fourth housing 413, and the second cavity 411 is defined by the third housing 412 and the second liquid passing plate 46. The first liquid passing plate 45 is provided with a plurality of liquid passing holes which are first liquid passing holes 451, and the plurality of first liquid passing holes 451 are communicated with the comb tooth sleeves 421 of the plurality of metal comb teeth 42 in a one-to-one correspondence manner. The hair tonic in the second die cavity 411 passes through the second liquid passing plate 46 and filters through the filter screen 44, and the hair tonic after filtering passes through first liquid passing hole 451 on the first liquid passing plate 45 and corresponds in the broach cover 421 that flows into each metal broach 42, consequently, the setting of first liquid passing hole 451 is convenient for produce the guide effect to the hair tonic to make the hair tonic can flow to each broach cover 421 in and be convenient for supply ball 422 to derive outside according to the orbit of flow that predetermines. It should be noted that the fourth conductive member 43 is tightly pressed between the first liquid passing plate 45 and the fourth casing 413.

In a specific embodiment, the second liquid passing plate 46 is provided with a plurality of second liquid passing holes 461, the plurality of second liquid passing holes 461 and the plurality of first liquid passing holes 451 are arranged in a one-to-one correspondence manner, and the second liquid passing holes 461 are communicated with the bin port 414 of the third housing 412. And a plurality of concave parts 441 are concavely formed on the filter screen 44, and the plurality of concave parts 441 are arranged in one-to-one correspondence with the plurality of first liquid passing holes 451, so that at least part of each concave part 441 extends into each first liquid passing hole 451. The hair tonic in the second cavity 411 enters the filter screen 44 through the second liquid passing holes 461 on the second liquid passing plate 46, and the hair tonic filtered by the filter screen 44 flows into the comb tooth sleeves 421 from the concave parts 441 of the filter screen 44 through the first liquid passing holes 451, so that the filtered hair tonic temporarily stays in the comb tooth sleeves 421, and the hair tonic is guided out to the scalp of the human body by the balls 422.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A hair comb, comprising:

the host is provided with a first conductive piece which can be contacted;

2. A comb as claimed in claim 1, wherein the control plate is provided with:

a micro control unit;

3. A hair comb according to claim 1, wherein a first resistor and a second resistor are provided in the main body, and the first resistor and the second resistor are connected in series to form a conductive loop;

4. A comb according to any one of claims 1 to 3, wherein the comb mechanism further comprises a reservoir mounted on the main body; the metal broach is used for deriving the hair tonic in the liquid reserve tank, and is a plurality of the metal broach interval distribution is in on the liquid reserve tank.

5. The hair comb of claim 4, further comprising a second conductive member disposed on the main body and electrically connected to the control board, and a third conductive member disposed on the liquid storage tank and abutting against the second conductive member, wherein at least one of the metal comb teeth is electrically connected to the third conductive member.

6. A hair growing comb according to claim 4, wherein said metal comb teeth comprise:

the ball is movably arranged at the opening of the comb tooth sleeve;

7. A comb as claimed in claim 6, wherein the inner circumferential wall of the comb sleeve is provided with a restrictor ring which abuts against the balls to fill a gap between the balls and the inner circumferential wall of the comb sleeve.

8. A hair comb according to claim 6, wherein the comb sleeve includes a first sleeve and a second sleeve, the first sleeve being disposed on the reservoir and at least partially received within the second sleeve, the control panel being electrically connected to the first sleeve; at least part of the second sleeve extends out of the liquid storage tank, the ball is movably arranged at an opening of the second sleeve, and the elastic piece is arranged in the second sleeve and abutted between the first sleeve and the ball.

9. The hair growing comb of claim 4, wherein said comb teeth mechanism further comprises a filter net disposed in said reservoir, said filter net covering each of said metal comb teeth.

10. The hair comb according to claim 9, wherein the comb teeth mechanism further comprises a first liquid passing plate and a second liquid passing plate, the filter screen is disposed between the first liquid passing plate and the second liquid passing plate, the first liquid passing plate is covered on each of the metal comb teeth, and the first liquid passing plate is provided with a plurality of liquid passing holes which are in one-to-one correspondence with the plurality of metal comb teeth.