Massage comb

Abstract

This application provides a massage comb, which includes a comb tooth assembly, a liquid dispensing assembly, a transmission component, and a drive motor. The drive motor is driven and connected to the input end of the transmission component, and both the comb tooth assembly and the liquid dispensing assembly are driven and connected to the output end of the transmission component. When the drive motor starts and drives the transmission component to rotate in a first direction, the transmission component can simultaneously distribute the power output by the drive motor to the comb tooth assembly and the liquid dispensing assembly. This transmission component enables the comb tooth assembly and the liquid dispensing assembly to work in coordination under the drive of a single drive motor, which not only simplifies the overall structure of the massage comb and reduces manufacturing costs, but also improves the reliability and energy efficiency of the system.

Description

Technical Field

[0001] This application belongs to the field of massage comb technology, and more specifically, relates to a massage comb. Background Technology

[0002] To achieve both massage and liquid dispensing functions, massage combs typically require two independent drive systems. One system controls the movement of the massage components, such as using a motor to drive a vibration module or rotation mechanism to achieve a scalp massage effect. The other system is dedicated to controlling the operation of the liquid dispensing components, such as using a pump or pressure device to deliver liquid from the reservoir to the comb teeth or dispensing port. While this dual-drive architecture meets basic functional requirements, it also introduces problems such as structural complexity, increased size, higher cost, and increased energy consumption. Utility Model Content

[0003] The purpose of this application is to provide a massage comb to solve the technical problem in the prior art that the massage component and the liquid dispensing component of the massage comb cannot share the same drive system.

[0004] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0005] A massage comb is provided, including a comb tooth assembly, a liquid dispensing assembly, a transmission component, and a drive motor; the drive motor is driven to the input end of the transmission component, and the comb tooth assembly and the liquid dispensing assembly are both driven to the output end of the transmission component; when the drive motor drives the transmission component to rotate in a first direction, the transmission component simultaneously drives the comb tooth assembly and the liquid dispensing assembly to work.

[0006] As a further improvement to the above technical solution:

[0007] Optionally, the transmission component is a transmission ring, the outer ring surface of the transmission ring is provided with a first toothed ring, the inner ring surface of the transmission ring is provided with a second toothed ring, and a track groove is also provided on one end face of the transmission ring.

[0008] Optionally, the drive motor meshes with the first gear ring for transmission, the liquid outlet assembly meshes with the second gear ring for transmission, and one end of the comb assembly extends into the track groove and is slidably connected to the track groove.

[0009] Optionally, the liquid outlet assembly includes a gear set, a pressure roller, and a liquid guide pipe. The gear set includes an input gear, an output gear, and a one-way bearing. One end of the liquid guide pipe is a liquid inlet, and the other end is a liquid outlet. The second gear ring meshes with the input gear for transmission, and the pressure roller is driven by the output gear.

[0010] The one-way bearing is located on the transmission path of the input gear and the output gear;

[0011] When the transmission ring rotates in the first direction, the one-way bearing is used to transmit the driving force on the input gear to the output gear, thereby driving the pressure roller to periodically press against the liquid guide tube to squeeze the liquid in the liquid guide tube to creep from the liquid inlet to the liquid outlet and flow out from the liquid outlet;

[0012] When the transmission ring rotates in the opposite direction of the first direction, the one-way bearing is used to interrupt the transmission of the driving force on the input gear to the output gear, thereby keeping the output gear and the pressure roller stationary.

[0013] Optionally, the gear set further includes a first transmission gear and a second transmission gear, the input gear meshes with the first transmission gear, the first transmission gear and the second transmission gear are coaxially arranged, and the second transmission gear meshes with the output gear;

[0014] The outer ring of the one-way bearing is connected to one of the first transmission gear and the second transmission gear, and the inner ring of the one-way bearing is connected to the other of the first transmission gear and the second transmission gear.

[0015] When the transmission ring rotates in the first direction, the input gear drives the first transmission gear to rotate; the one-way bearing is used to transmit the torque on the first transmission gear to the second transmission gear.

[0016] When the transmission ring rotates in the opposite direction of the first direction, the input gear drives the first transmission gear to rotate; the one-way bearing is used to interrupt the transmission of torque on the first transmission gear to the second transmission gear.

[0017] Optionally, the liquid dispensing assembly further includes a liquid distribution plate, which has a liquid guiding hole and a liquid guiding groove. The liquid guiding hole is connected to the liquid outlet, and each of the liquid guiding grooves is arranged radially outward from the liquid guiding hole.

[0018] Optionally, the liquid outlet assembly further includes a liquid outlet shell, and the liquid distribution plate is disposed inside the liquid outlet shell; the liquid outlet shell has a plurality of liquid guiding columns, the inlet end of each liquid guiding column is connected to the corresponding liquid guiding groove, and the outlet end of each liquid guiding column is used to discharge liquid to the external working surface.

[0019] Optionally, the liquid dispensing assembly further includes an upper cover, a middle cover, and a lower cover connected in sequence. The upper cover and the middle cover enclose a first receiving cavity, and the upper cover, the middle cover, and the lower cover also enclose a second receiving cavity. The input gear and the first transmission gear are disposed in the first receiving cavity, and the second transmission gear, the output gear, the pressure roller, and at least a portion of the liquid guiding pipe are disposed in the second receiving cavity.

[0020] The liquid distribution plate and the lower cover together form a liquid outlet cavity, and the liquid guide tube is connected to the liquid outlet cavity.

[0021] Optionally, the liquid dispensing assembly further includes a liquid storage component with a liquid storage chamber, the liquid storage component being connected to the upper cover, the liquid storage chamber having a liquid supply port and an openable / closable liquid replenishment port, the liquid supply port being connected to the liquid inlet of the liquid guide tube.

[0022] Optionally, the comb assembly includes a comb base and a comb tooth group. The comb base is connected to the massage comb housing and has an opening. The liquid dispensing component extends out of the comb base through the opening. The comb tooth group is movably connected to the comb base.

[0023] One end of the comb teeth extends into the track groove and is slidably connected to the track groove; when the transmission component rotates, the other end of the comb teeth swings alternately in the direction of approaching or moving away from the axis of the opening.

[0024] Optionally, there may be multiple comb tooth groups, and each comb tooth group is arranged at intervals from each other along the circumference of the opening.

[0025] The beneficial effects of the massage comb provided in this application are as follows:

[0026] The massage comb provided in this application includes a comb tooth assembly, a liquid dispensing assembly, a transmission component, and a drive motor. The drive motor is driven and connected to the input end of the transmission component, and both the comb tooth assembly and the liquid dispensing assembly are driven and connected to the output end of the transmission component. When the drive motor starts and drives the transmission component to rotate in a first direction, the transmission component can simultaneously distribute the power output by the drive motor to the comb tooth assembly and the liquid dispensing assembly. This transmission component enables the comb tooth assembly and the liquid dispensing assembly to work in coordination under the drive of a single drive motor, which not only simplifies the overall structure of the massage comb and reduces manufacturing costs, but also improves the reliability and energy efficiency of the system. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 An exploded view of the massage comb provided in this application;

[0029] Figure 2 This is a partially enlarged structural diagram of the massage comb provided in this application;

[0030] Figure 3 This is an exploded structural diagram of the liquid outlet component provided in this application.

[0031] The following are the labeling elements in the figure:

[0032] 1. Comb assembly; 11. Comb holder; 12. Comb set; 2. Liquid outlet assembly; 21. Gear set; 211. Input gear; 212. Output gear; 213. One-way bearing; 214. First transmission gear; 215. Second transmission gear; 22. Pressure roller; 23. Liquid guide pipe; 24. Liquid distribution plate; 241. Liquid guide groove; 242. Sealing ring; 243. Liquid guide hole; 25. Liquid outlet shell; 251. Liquid guide column; 26. Top cover; 27. Middle cover; 28. Bottom cover; 29. ​​Liquid storage component; 3. Transmission component; 31. First gear ring; 32. Second gear ring; 33. Track groove; 4. Drive motor. Detailed Implementation

[0033] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0034] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying 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 this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0038] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of this utility model.

[0039] In the following description, suffixes such as "module," "part," "component," or "unit" are used only for the purpose of describing this utility model and have no specific meaning in themselves. Therefore, they can be used in combination.

[0040] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0041] To solve the technical problem that the massage component and liquid dispensing component of a massage comb cannot share the same drive system, such as Figure 1 and Figure 2As shown, this application provides a massage comb, specifically including a comb tooth assembly 1, a liquid dispensing assembly 2, a transmission component 3, and a drive motor 4. The drive motor 4 is driven and connected to the input end of the transmission component 3, and both the comb tooth assembly 1 and the liquid dispensing assembly 2 are driven and connected to the output end of the transmission component 3. When the drive motor 4 starts and drives the transmission component 3 to rotate in a first direction, the transmission component 3 can simultaneously distribute the power output by the drive motor 4 to both the comb tooth assembly 1 and the liquid dispensing assembly 2. The transmission component 3 can specifically adopt a mechanical transmission form such as a gear set, a cam mechanism, or a linkage mechanism, enabling the comb tooth assembly 1 and the liquid dispensing assembly 2 to work in coordination under the drive of a single drive motor 4. This not only simplifies the overall structure of the massage comb and reduces manufacturing costs but also improves the reliability and energy efficiency of the system.

[0042] It should be noted that the comb tooth assembly 1, liquid dispensing assembly 2, transmission component 3, and drive motor 4 are all mounted on the massage comb housing. Since the massage comb housing is existing technology and only provides the most basic support and positioning function for each component, the specific structure of the massage comb housing and the connection relationship between each component will not be described in detail.

[0043] like Figure 1 and Figure 2 As shown, in a specific embodiment of this application, the transmission component 3 is specifically a transmission ring. The outer ring surface of this transmission ring is provided with a first gear ring 31, which meshes with the output gear of the drive motor 4 to achieve power input; the inner ring surface is provided with a second gear ring 32, which meshes with the input gear of the liquid dispensing assembly 2, forming the power transmission path of the liquid conveying mechanism. The end face of the transmission ring is also machined with a track groove 33 of a specific contour, and the driving end of the comb assembly 1 is slidably embedded in the track groove 33. When the drive motor 4 starts running, its output gear drives the transmission ring to rotate through the first gear ring 31. This rotational motion, on the one hand, drives the gear mechanism of the liquid dispensing assembly 2 to operate through the second gear ring 32, achieving directional liquid delivery; on the other hand, through the interaction between the track groove 33 and the driving end of the comb assembly 1, the rotational motion is converted into the reciprocating motion or oscillation of the comb assembly 1, thereby producing a massage effect.

[0044] like Figure 3As shown, in a specific embodiment of this application, the liquid outlet assembly 2 includes a gear set 21, a pressure roller 22, and a liquid guide tube 23. The gear set 21 includes an input gear 211, an output gear 212, and a one-way bearing 213. One end of the liquid guide tube 23 is the liquid inlet, and the other end is the liquid outlet. The second gear ring 32 meshes with the input gear 211 for transmission, and the pressure roller 22 is driven by the output gear 212. The pressure roller 22 specifically includes a support and multiple needle rollers, each needle roller being evenly distributed at a certain interval around the axial direction of the support to ensure that the pressure roller 22 applies uniform squeezing force to the liquid guide tube 23 during rotation. Through the squeezing action, the liquid in the liquid guide tube 23 generates a peristaltic effect, thereby conveying the liquid from the liquid inlet to the liquid outlet and flowing out from the liquid outlet.

[0045] One-way bearing 213 is located on the transmission path of input gear 211 and output gear 212 and is used to control the power transmission direction of gear set 21.

[0046] When the transmission ring rotates in the first direction, the one-way bearing 213 is engaged, transmitting the rotational power of the input gear 211 to the output gear 212, which drives the pressure roller 22 to rotate continuously, thereby pushing the liquid in the pipe to flow directionally from the inlet to the outlet, thus realizing the coordinated work of the comb assembly 1 and the outlet assembly 2.

[0047] When the transmission ring rotates in the opposite direction of the first direction, the one-way bearing 213 automatically disengages, cutting off the power transmission between the input gear 211 and the output gear 212. At this time, the output gear 212 and the pressure roller 22 remain stationary, and the liquid guide tube 23 stops discharging liquid, but does not interfere with the normal operation of the comb assembly 1, thus realizing a working mode of massaging without discharging liquid.

[0048] like Figure 3 As shown, in a specific embodiment of this application, the gear set 21 can adopt a multi-stage gear transmission structure, specifically including an input gear 211, a first transmission gear 214, a second transmission gear 215, and an output gear 212. The input gear 211 directly meshes with the first transmission gear 214 to form a first-stage reduction. The first transmission gear 214 and the second transmission gear 215 are arranged coaxially to form an intermediate transmission stage. The second transmission gear 215 then meshes with the output gear 212 to form a second-stage reduction. By reasonably configuring the gear ratios between the input gear 211 and the first transmission gear 214, and between the second transmission gear 215 and the output gear 212, the output speed can be effectively reduced and the output torque increased, meeting the power requirements of the pressure roller 22 for the extrusion operation of the liquid guide tube 23.

[0049] The outer ring of the one-way bearing 213 is connected to one of the first transmission gear 214 and the second transmission gear 215, and the inner ring of the one-way bearing 213 is connected to the other of the first transmission gear 214 and the second transmission gear 215.

[0050] It should be noted that the transmission connection between the one-way bearing 213 and the first transmission gear 214 and the second transmission gear 215 includes, but is not limited to, direct contact connection, and also includes indirect connection achieved through a transmission shaft or other means. The specific configuration is as follows:

[0051] When both the outer and inner rings of the one-way bearing 213 are cylindrical collars, with the inner ring positioned inside the outer ring, the outer ring of the one-way bearing 213 can be directly connected to the first transmission gear 214, and the inner ring of the one-way bearing 213 is connected to the transmission shaft, transmitting torque to the second transmission gear 215 via the transmission shaft. When the first transmission gear 214 rotates in a specified direction, the outer and inner rings of the one-way bearing 213 couple, thereby driving the transmission shaft and the second transmission gear 215 to rotate. When the rotation direction of the first transmission gear 214 is opposite, the outer and inner rings of the one-way bearing 213 slide against each other, thus preventing the transmission of torque to the transmission shaft and the second transmission gear 215.

[0052] Alternatively, the drive shaft is connected to both the first drive gear 214 and the inner ring of the one-way bearing 213; the outer ring of the one-way bearing 213 is connected to the second drive gear 215; when the first drive gear 214 and the drive shaft rotate in a specified direction, the outer and inner rings of the one-way bearing 213 couple, thereby driving the second drive gear 215 to rotate; when the rotation directions of the first drive gear 214 and the drive shaft are opposite, the outer and inner rings of the one-way bearing 213 slide, thus preventing the torque from being transmitted to the second drive gear 215.

[0053] Another configuration of the one-way bearing 213 is described, in which the inner ring of the one-way bearing 213 includes a mating portion that mates with the outer ring, the outer diameter of which mates with the inner diameter of the outer ring; the inner ring of the one-way bearing 213 also includes an extension portion that extends axially outward from the outer ring. Two gears are respectively connected to the outer ring and the extension portion of the inner ring of the one-way bearing 213, thereby achieving both staggered arrangement of the two gears and unidirectional transmission between them, without the need for external parts such as a drive shaft.

[0054] When the transmission ring rotates in the first direction, the input gear 211 drives the first transmission gear 214 to rotate; at this time, the one-way bearing 213 is in a locked state, and the rotational power of the first transmission gear 214 is transmitted to the second transmission gear 215 through the one-way bearing 213, thereby driving the output gear 212 to drive the pressure roller 22 to work.

[0055] When the transmission ring rotates in the opposite direction of the first direction, although the input gear 211 still drives the first transmission gear 214 to rotate, the one-way bearing 213 enters the slip state, cutting off the power transmission between the first transmission gear 214 and the second transmission gear 215, so that the second transmission gear 215 and subsequent transmission components remain stationary.

[0056] like Figure 2 and Figure 3 As shown in a specific embodiment of this application, the liquid dispensing assembly further includes a liquid distribution plate 24, which has liquid guiding holes 243 and liquid guiding grooves 241. The liquid guiding holes 243 are connected to the liquid outlet of the liquid guiding pipe 23, and each liquid guiding groove 241 is arranged radially and uniformly outward from the liquid guiding hole 243 to ensure that the liquid flowing from the outlet can be evenly distributed to various areas of the liquid distribution plate 24, thereby improving the liquid distribution efficiency and usage effect.

[0057] like Figure 1 and Figure 2 As shown, in one specific embodiment of this application, the liquid dispensing assembly further includes a liquid dispensing shell 25, and a liquid dispensing tray 24 is specifically installed inside the liquid dispensing shell 25. The liquid dispensing shell 25 has multiple liquid guiding columns 251, the inlet end of each liquid guiding column 251 being connected to a corresponding liquid guiding groove 241, thereby forming a continuous channel for liquid to flow from the liquid guiding groove 241 to the liquid guiding column 251. The outlet end of each liquid guiding column 251 is used to contact the user's scalp to apply the liquid to the scalp.

[0058] like Figure 2 As shown in a specific embodiment of this application, a sealing ring 242 is also connected to the side wall of the liquid dispensing tray 24. When the liquid dispensing tray 24 is installed inside the liquid outlet shell 25, the sealing ring 242 forms a sealing contact with the inner wall of the liquid outlet shell 25, thereby preventing leakage between the liquid dispensing tray 24 and the liquid outlet shell 25.

[0059] like Figure 3 As shown, in one specific embodiment of this application, the liquid dispensing assembly further includes an upper cover 26, a middle cover 27, and a lower cover 28 connected in sequence. The upper cover 26 and the middle cover 27 are connected by fasteners and enclose a first accommodating cavity for accommodating the input gear 211 and the first transmission gear 214; the upper cover 26, the middle cover 27, and the lower cover 28 together enclose a second accommodating cavity for installing the second transmission gear 215, the output gear 212, the pressure roller 22, and the working section of the liquid guide tube 23. This compartmentalized structure enables physical isolation between the transmission components and the working components, ensuring the lubrication environment of the gear transmission system and facilitating the installation and maintenance of the liquid guide tube 23.

[0060] The lower cover 28 and the liquid distribution plate 24 are connected by a sealed connection to form a liquid outlet chamber, which is connected to the outlet of the liquid guide pipe 23 through a pipeline. The working section of the liquid guide pipe 23 is fixed in the second accommodating cavity and maintains a squeezing fit with the pressure roller 22. When the pressure roller 22 rotates under the drive of the output gear 212, the working section of the liquid guide pipe 23 is subjected to periodic squeezing, and the resulting peristaltic effect transports the liquid from the inlet to the outlet chamber, and finally achieves directional liquid discharge through the distribution channel of the liquid distribution plate 24.

[0061] like Figure 3 As shown, in a specific embodiment of this application, the liquid dispensing assembly further includes a liquid storage component 29 with a liquid storage chamber. The liquid storage component 29 is connected to the upper cover 26. The top of the liquid storage chamber is provided with a liquid replenishment port, which is equipped with a sealing rubber stopper or screw cap to achieve sealed storage and convenient replenishment of the liquid. The bottom of the liquid storage chamber is provided with a liquid supply port, which is connected to the liquid inlet of the liquid guide tube 23 to ensure smooth flow of the liquid.

[0062] In actual operation, the user can first open the sealing cap of the replenishment port, inject the required amount of nursing solution into the storage chamber through the replenishment port, and then close the replenishment port to prevent liquid leakage. When the drive motor 4 starts, the liquid in the storage chamber flows naturally into the liquid guide pipe 23 through the liquid supply port under the action of gravity, and then forms a directional flow under the periodic squeezing action of the pressure roller 22.

[0063] like Figure 1 As shown, in one specific embodiment of this application, the comb assembly 1 includes a comb base 11 and a comb tooth group 12. The comb base 11 is connected to the massage comb housing, and the comb base 11 has an opening for the liquid dispensing component 2 to pass through. The comb tooth group 12 is movably connected to the comb base 11. The comb tooth group 12 includes an integrally formed connecting base and multiple spaced comb teeth, and the connecting base is movably connected to the comb base 11.

[0064] One end of the comb teeth 12 extends into the track groove 33 and is slidably connected to the track groove 33, which guides the movement of the comb teeth 12. When the transmission member 3 rotates, the other end of the comb teeth 12 swings alternately in the direction of approaching or moving away from the axis of the opening to achieve a massage effect.

[0065] like Figure 1 As shown, in one specific embodiment of this application, there are multiple comb groups 12, and each comb group 12 is arranged at intervals along the circumference of the opening to ensure that the comb group 12 covers a larger scalp area when it swings, thereby improving the massage effect and the comfort of use.

[0066] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A massage comb, characterized in that, It includes a comb assembly (1), a liquid dispensing assembly (2), a transmission component (3), and a drive motor (4); the drive motor (4) is driven to the input end of the transmission component (3), and the comb assembly (1) and the liquid dispensing assembly (2) are driven to the output end of the transmission component (3); when the drive motor (4) drives the transmission component (3) to rotate in a first direction, the transmission component (3) simultaneously drives the comb assembly (1) and the liquid dispensing assembly (2) to work.

2. The massage comb as described in claim 1, characterized in that, The transmission component (3) is a transmission ring. The outer ring surface of the transmission ring is provided with a first toothed ring (31), the inner ring surface of the transmission ring is provided with a second toothed ring (32), and a track groove (33) is also provided on one end face of the transmission ring. The drive motor (4) meshes with the first gear ring (31) for transmission, the liquid outlet assembly (2) meshes with the second gear ring (32) for transmission, and one end of the comb assembly (1) extends into the track groove (33) and is slidably connected to the track groove (33).

3. The massage comb as described in claim 2, characterized in that, The liquid outlet assembly (2) includes a gear set (21), a pressure roller (22), and a liquid guide pipe (23). The gear set (21) includes an input gear (211), an output gear (212), and a one-way bearing (213). One end of the liquid guide pipe (23) is a liquid inlet, and the other end of the liquid guide pipe (23) is a liquid outlet. The second gear ring (32) meshes with the input gear (211) for transmission, and the pressure roller (22) is driven by the output gear (212). The one-way bearing (213) is located on the transmission path of the input gear (211) and the output gear (212); When the transmission ring rotates along the first direction, the one-way bearing (213) is used to transmit the driving force on the input gear (211) to the output gear (212), thereby driving the pressure roller (22) to periodically press against the liquid guide tube (23) to squeeze the liquid in the liquid guide tube (23) to creep from the liquid inlet to the liquid outlet and flow out from the liquid outlet; When the transmission ring rotates in the opposite direction of the first direction, the one-way bearing (213) is used to interrupt the transmission of the driving force on the input gear (211) to the output gear (212), thereby keeping the output gear (212) and the pressure roller (22) stationary.

4. The massage comb as described in claim 3, characterized in that, The gear set (21) further includes a first transmission gear (214) and a second transmission gear (215). The input gear (211) meshes with the first transmission gear (214) for transmission. The first transmission gear (214) and the second transmission gear (215) are coaxially arranged. The second transmission gear (215) meshes with the output gear (212). The outer ring of the one-way bearing (213) is connected to one of the first transmission gear (214) and the second transmission gear (215), and the inner ring of the one-way bearing (213) is connected to the other of the first transmission gear (214) and the second transmission gear (215). When the transmission ring rotates in the first direction, the input gear (211) drives the first transmission gear (214) to rotate; the one-way bearing (213) is used to transmit the torque on the first transmission gear (214) to the second transmission gear (215); When the transmission ring rotates in the opposite direction of the first direction, the input gear (211) drives the first transmission gear (214) to rotate; the one-way bearing (213) is used to interrupt the transmission of torque on the first transmission gear (214) to the second transmission gear (215).

5. The massage comb as described in claim 4, characterized in that, The liquid outlet assembly (2) also includes a liquid distribution plate (24), which has a liquid guiding hole (243) and a liquid guiding groove (241). The liquid guiding hole (243) is connected to the liquid outlet, and each of the liquid guiding grooves (241) is arranged radially outward with the liquid guiding hole (243) as the center.

6. The massage comb as described in claim 5, characterized in that, The liquid outlet assembly (2) further includes a liquid outlet shell (25), and the liquid distribution plate (24) is disposed inside the liquid outlet shell (25). The liquid outlet shell (25) has a plurality of liquid guide columns (251), the inlet end of each liquid guide column (251) is connected to the corresponding liquid guide groove (241), and the outlet end of each liquid guide column (251) is used to discharge liquid to the external working surface.

7. The massage comb as described in claim 5, characterized in that, The liquid dispensing assembly also includes an upper cover (26), a middle cover (27), and a lower cover (28) connected in sequence. The upper cover (26) and the middle cover (27) enclose a first accommodating cavity. The upper cover (26), the middle cover (27), and the lower cover (28) also enclose a second accommodating cavity. The input gear (211) and the first transmission gear (214) are disposed in the first accommodating cavity. The second transmission gear (215), the output gear (212), the pressure roller (22), and at least a portion of the liquid guide tube (23) are disposed in the second accommodating cavity. The liquid distribution plate (24) and the lower cover (28) enclose each other to form a liquid outlet cavity, and the liquid guide tube (23) is connected to the liquid outlet cavity.

8. The massage comb as described in claim 7, characterized in that, The liquid dispensing assembly also includes a liquid storage component (29) with a liquid storage chamber, which is connected to the upper cover (26). The liquid storage chamber has a liquid supply port and an openable / closable liquid replenishment port, and the liquid supply port is connected to the liquid inlet of the liquid guide tube (23).

9. The massage comb as described in any one of claims 2 to 8, characterized in that, The comb assembly (1) includes a comb base (11) and a comb set (12). The comb base (11) is connected to the massage comb housing. The comb base (11) has an opening. The liquid dispensing assembly (2) extends out of the comb base (11) through the opening. The comb set (12) is movably connected to the comb base (11). One end of the comb tooth assembly (12) extends into the track groove (33) and is slidably connected to the track groove (33); when the transmission member (3) rotates, the other end of the comb tooth assembly (12) swings alternately toward the axis of the opening or away from the opening.

10. The massage comb as described in claim 9, characterized in that, The number of comb teeth (12) is multiple, and each comb tooth group (12) is arranged at intervals from each other along the circumference of the opening.

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