CN220046867U - Electrode tip and beauty instrument - Google Patents

Abstract

The utility model provides an electrode tip and a beauty instrument. The electrode head comprises an electrode cover, a plurality of electrodes, a circuit board and a plurality of light sources. The electrode cover comprises a cover plate and a side wall connected to the periphery of the cover plate, the cover plate is of a transparent structure, the cover plate is provided with a plurality of first through holes, and the side wall is of a shading structure. The plurality of electrodes are arranged in the first through holes in a one-to-one correspondence manner. The circuit board is located the inboard of electrode lid, and the circuit board has the first face and the second face of setting in opposite directions, and first face is towards the electrode lid, and first face has first region and the second region around first region, and first region sets up with the apron is relative, and a plurality of electrodes are connected in first region. The plurality of light sources are mounted on the circuit board and are positioned in the second area. According to the electrode head provided by the utility model, the electrodes and the light source are arranged in different areas on the circuit board in a staggered manner, so that the interference between the light source and the electrodes can be reduced. The electrode tip is applied to the beauty instrument, and the performance of the beauty instrument is better.

Description

Electrode tip and beauty instrument

Technical Field

The utility model relates to the technical field of beauty equipment, in particular to an electrode tip and a beauty instrument.

Background

At present, non-invasive technologies such as phototherapy, radio frequency therapy, cold and hot therapy and the like are widely applied to the field of home cosmetic instruments, and the principle is that devices arranged at treatment positions of the cosmetic instruments are mainly used for emitting energy such as light energy, heat energy, electromagnetic energy and the like, acting on subcutaneous surface layers or shallow layers, and stimulating elastic fibers and collagen fibers to shrink, regenerate and remodel, so that the effects of eliminating wrinkles and improving skin quality are achieved.

The light source of the beauty instrument on the market is dispersedly arranged on the circuit board. Thus, on one hand, the light source easily affects the arrangement of the components on the circuit board; on the other hand, when the beauty instrument works, the connection position of the electrode and the circuit board is close to and crossed with the light source, and the heat generated by the electrode and the heat generated by the light source can cause local overheating of the circuit board, so that the performance of the beauty instrument is affected.

Disclosure of Invention

The utility model provides an electrode tip and a beauty instrument. The electrodes of the electrode heads and the light source are arranged in different areas on the circuit board in a staggered mode, and interference between the light source and the electrodes can be reduced. The beauty instrument has better performance.

In a first aspect, the present utility model provides an electrode head. The electrode tip is applied to the beauty instrument, includes: the electrode cover comprises a cover plate and a side wall connected to the periphery of the cover plate, the cover plate is of a transparent structure, the cover plate is provided with a plurality of first through holes, and the side wall is of a shading structure; a plurality of electrodes which are arranged in the first through holes in a one-to-one correspondence manner; the circuit board is positioned on the inner side of the electrode cover and provided with a first surface and a second surface which are arranged in a back-to-back mode, the first surface faces the electrode cover, the first surface is provided with a first area and a second area surrounding the first area, the first area is arranged opposite to the cover plate, and a plurality of electrodes are connected to the first area; a plurality of light sources mounted on the circuit board and located in the second region; and the light guide piece is positioned between the circuit board and the cover plate and is fixedly connected with the circuit board, and light rays emitted by the light source are emitted to the outside of the beauty instrument from the cover plate through the light guide piece.

In one possible embodiment, the light guide has a top surface and a bottom surface disposed opposite to each other, and a peripheral side surface connecting the top surface and the bottom surface, the bottom surface including a third region and a fourth region, the fourth region surrounding the third region; the third area is provided with a plurality of second through holes, a plurality of electrodes are in one-to-one correspondence with the plurality of second through holes, and one part of the electrodes extends out of the light guide piece through the second through holes; the light source is arranged opposite to the fourth area, and the light emitted by the light source enters the light guide piece from the fourth area and is emitted from the top surface.

In one possible embodiment, the light guide has a reflective layer provided on at least one of the third region and the peripheral side surface.

In one possible embodiment, the peripheral side surface is disposed at an angle to the top surface in the range of 100 ° -170 °.

In one possible embodiment, the fourth region has a plurality of grooves, and at least part of the plurality of light sources are located in the plurality of grooves in a one-to-one correspondence.

In one possible embodiment, the side wall includes a light-transmitting body and a light-shielding layer, the light-shielding layer is fixed on an inner surface of the light-transmitting body, and the light-transmitting body and the cover plate are integrally formed.

In one possible embodiment, the second through hole is an interference fit with the electrode.

In one possible embodiment, the at least one light source includes at least two of a first sub-light source, a second sub-light source, and a third sub-light source, wherein the first sub-light source emits red light, the second sub-light source emits blue light, and the third sub-light source emits ultraviolet light.

In a second aspect, the present utility model provides a cosmetic device. The beauty instrument comprises a shell, a host and the electrode head, wherein the host is arranged in the shell, and the electrode head is clamped in the shell.

In one possible embodiment, the cosmetic device further comprises a sealing member sealing the electrode head with the housing.

The electrode head provided by the utility model is provided with a first area and a second area surrounding the first area, wherein the first area is opposite to the cover plate, and a plurality of electrodes are connected to the first area. The plurality of light sources are mounted on the circuit board and are positioned in the second area. Thus, the electrode and the light source can be arranged in different areas on the circuit board in a staggered way, so that the interference between the light source and the electrode can be reduced. The electrode tip is applied to the beauty instrument, and the performance of the beauty instrument is better.

Drawings

In order to describe the technical solution of the embodiment of the present utility model, the drawings required to be used in the embodiment of the present utility model will be described below.

Fig. 1 is a schematic structural view of a beauty treatment instrument according to an embodiment of the present utility model;

FIG. 2 is a partially exploded view of the cosmetic device shown in FIG. 1;

FIG. 3 is a partially exploded view of the electrode head shown in FIG. 2 at a different angle;

FIG. 4 is a schematic view of the electrode cap of FIG. 3 at a different angle;

FIG. 5 is a schematic view of the circuit board shown in FIG. 3 at different angles;

FIG. 6 is a schematic view of the light guide of FIG. 3 at different angles;

FIG. 7 is a partial cross-sectional view of the electrode head shown in FIG. 2 at line A-A;

FIG. 8 is a schematic view of the housing of FIG. 2 at a different angle;

fig. 9 is a schematic view of the beauty instrument of fig. 1 at different angles.

Detailed Description

In describing embodiments of the present utility model, it should be noted that the term "coupled" should be interpreted broadly, unless otherwise explicitly stated and defined, for example, the term "coupled" may be either detachably coupled or non-detachably coupled; may be directly connected or indirectly connected through an intermediate medium. The term "integrally formed" refers to a component that is joined to another component during the formation of one of the components, without the need for re-working (e.g., bonding, welding, snap-fit, screw-connection) the two components together.

References to directional terms in the embodiments of the present utility model, such as "upper", "inner", "outer", "top", "bottom", "front", "rear", "side", etc., are merely with reference to the directions of the drawings, and thus are used for better, more clear description and understanding of the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

In the following, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as implying or implying relative importance or as implying a number of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. "plurality" means at least two.

Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.

Fig. 1 is a schematic structural diagram of a beauty treatment apparatus 1000 according to an embodiment of the present utility model.

As shown in fig. 1, the cosmetic device 1000 may be a personal care cosmetic device. For example, massage beauty treatment equipment, facial mask beauty treatment equipment, gel supplement beauty treatment equipment, and the like.

Fig. 2 is a partially exploded view of the cosmetic device 1000 shown in fig. 1.

As shown in fig. 1 and 2, the beauty instrument 1000 includes a housing 10, an electrode tip 20, and a main body 30. Wherein the electrode tip 20 is mounted to the case 10. The main unit 30 is mounted inside the housing 10. Illustratively, the host 30 includes a battery assembly 31 and a printed circuit board 32 (Printed Circuit Board, PCB). Wherein, the battery assembly 31 of the host 30 can be used for supplying power to the electrode tip 20 to drive the electrode tip 20 to work. The printed circuit board 32 of the host 30 may be used to transmit signals to the electrode head 20.

Illustratively, the housing 10 may include a front case 101, a rear case 102, and a peripheral sidewall 103 connecting the front case 101 and the rear case 102. The housing 10 may be in the form of a cobble. It will be appreciated that the cobblestone shape may be part of a cobblestone shape, i.e. the housing 10 may have a part of the shape of a cobblestone shape. The shell 10 has a round shape, the whole line is smooth, the appearance consistency and the aesthetic property are good, and the use experience of a user is improved.

In other embodiments, the housing 10 may also be cylindrical, spherical, etc.

Fig. 3 is a partially exploded view of the electrode head 20 shown in fig. 2 at a different angle.

As shown in fig. 2 and 3, the electrode tip 20 may include an electrode cap 21, a plurality of electrodes 22, a circuit board 23, a plurality of light sources 24, and a light guide 25. Wherein a plurality of electrodes 22 may be mounted to the electrode cover 21. A plurality of light sources 24 may be mounted on the circuit board 23. The light guide 25 and the circuit board 23 may be both located inside the electrode cover 21. The circuit board 23 may be used to electrically connect the host 30 and the electrodes 22 to power and transmit signals to the electrodes 22.

Fig. 4 is a schematic view of the structure of the electrode cap 21 shown in fig. 3 at different angles.

As shown in fig. 3 and 4, the electrode cover 21 includes a cover plate 211 and a sidewall 212 connected to the periphery of the cover plate 211. The cover 211 is a transparent structure. The sidewall 212 is a light shielding structure. Light from the light source 24 may be emitted from the transparent cover 211.

Illustratively, the cover 211 may be racetrack-shaped or oval-shaped. The structure of the cover plate 211 is illustrated in phantom in fig. 4.

Illustratively, the cover plate 211 has a plurality of first through holes 213. The plurality of electrodes 22 may be mounted to the first through holes 213 in one-to-one correspondence.

Illustratively, the material of the cover 211 may be acrylonitrile butadiene styrene (acrylonitrile butadiene styrene plastic, ABS) plastic. The ABS plastic has good acid and alkali resistance, and the cover 211 is not easily corroded by chemicals in the skin care product when the cosmetic instrument 1000 is in operation. And the ABS plastic is easy to process, the thermal stability is good, and the cover plate 211 made of the ABS plastic is easy to assemble.

In one embodiment, the sidewall 212 of the electrode cap 21 may include a light-transmitting body and a light-shielding layer. The light-transmitting body and the cover 211 may be an integrally formed structural member. The light shielding layer may be fixed to an inner surface of the light transmitting body. Illustratively, the light shielding layer may be an ink layer.

Fig. 5 is a schematic view of the circuit board 23 shown in fig. 3 at different angles.

As shown in fig. 3 and 5, the circuit board 23 has a first face 231 and a second face 232 disposed opposite to each other. The first face 231 may face the electrode cover 21.

Illustratively, the first face 231 of the circuit board 23 has a first region 2311 and a second region 2312 surrounding the first region 2311. The first region 2311 of the circuit board 23 may be disposed opposite to the cover plate 211 of the electrode cap 21.

Illustratively, the first region 2311 of the circuit board 23 may be provided with a plurality of pads 233. The plurality of pads 233 are disposed in one-to-one correspondence with the plurality of first through holes 213 of the electrode cover 21. One ends of the plurality of electrodes 22 may be connected to the first region 2311 of the circuit board 23, and electrically connected to the plurality of pads 233 in one-to-one correspondence.

As shown in fig. 3 and 5, a plurality of light sources 24 may be mounted to the circuit board 23 and located at a second region 2312 of the circuit board 23.

Illustratively, the plurality of light sources 24 may be uniformly distributed over the second region 2312. Thus, the light emitted from the beauty treatment instrument 1000 is more uniform and gentle.

In the beauty treatment apparatus 1000 according to the embodiment of the present utility model, the electrode 22 is disposed in the first region 2311 of the circuit board 23, and the light source 24 is disposed in the second region 2312 of the circuit board 23. I.e. the electrodes 22 are arranged offset from the light sources 24 in different areas on the circuit board 23. In this way, the interference between the light source 24 and the electrode 22 can be reduced, and the beauty apparatus 1000 has better performance, simple and compact structure and lower cost.

Illustratively, the light source 24 may be a LED (light emitting diode) lamp. The light source 24 may also be a OLED (Organic Light Emitting diode) lamp. The light source 24 may also be a QLED (Quantum Dots light emitting diode) lamp.

As shown in fig. 5, the at least one light source 24 may include at least two of a first sub-light source 241, a second sub-light source 242, and a third sub-light source 243.

Illustratively, the light source 24 may include a first sub-light source 241, a second sub-light source 242, and a third sub-light source 243. In one embodiment, the light source 24 may also include a first sub-light source 241 and a second sub-light source 242. In another embodiment, the light source 24 may also include a first sub-light source 241 and a third sub-light source 243. In other embodiments, the light source 24 may also include a second sub-light source 242 and a third sub-light source 243.

Illustratively, the light emitted by the first sub-light source 241 is red light, with a wavelength in the range of 600nm to 650 nm. Red light in this wavelength range can enhance cellular activity, promote metabolism, accelerate blood circulation, and assist tissue repair. The light emitted by the second sub-light source 242 may also be blue light. Blue light has effects of rapidly inhibiting inflammation, controlling oil secretion to a certain extent, and regulating keratinization. The light emitted from the third sub-light source 243 may be ultraviolet light. Ultraviolet light has sterilizing and disinfecting effects.

In one embodiment, the light emitted by the first sub-light source 241 may be infrared light. Infrared light penetrates the skin, can heat subcutaneous tissue, can enlarge capillary blood vessels, accelerate blood circulation and promote cell growth. The wavelength range of the light emitted from the first sub-light source 241 may be 840nm to 860nm, which is near infrared light. The wavelength range of the light emitted from the first sub-light source 241 may be 940nm to 960nm, and may be far infrared light.

The cosmetic device 1000 may also include a controller (not shown). The controller may be electrically connected to the plurality of light sources 24 and the host 30 for controlling the first, second and third sub-light sources 241, 242 and 243 to operate at time intervals. Thus, the user can flexibly switch the color and wavelength of the light emitted by the light source 24 according to the requirement, so as to achieve different cosmetic purposes, and the function of the cosmetic instrument 1000 is more powerful.

Fig. 6 is a schematic view of the light guide 25 shown in fig. 3 at different angles. Fig. 7 is a partial cross-sectional view of the electrode head 20 shown in fig. 2 at line A-A.

As shown in fig. 3, 6 and 7, the light guide 25 has a top face 251 and a bottom face 252 disposed opposite to each other, and a peripheral side face 253 connecting the top face 251 and the bottom face 252.

Illustratively, the bottom surface 252 of the light guide 25 may include a third region 2521 and a fourth region 2522. A fourth region 2522 of the light guide 25 surrounds the third region 2521.

Illustratively, the third region 2521 of the light guide 25 may have a plurality of second through holes 254. The plurality of electrodes 22 are in one-to-one correspondence with the plurality of second through holes 254. One end of the electrode 22 may protrude out of the light guide 25 through the second through hole 254.

Illustratively, the second through-hole 254 of the light guide 25 may be an interference fit with the electrode 22. In this way, the inner wall of the second through hole 254 of the light guide member 25 can be closely attached to the electrode 22, no gap exists between the light guide member 25 and the electrode 22, and impurities such as water, dust and the like can be prevented from entering the interior of the beauty instrument 1000 through the gap between the second through hole 254 and the light guide member 25 and the electrode 22, and the internal components are damaged. The cosmetic device 1000 has good sealing waterproofness and durability.

As shown in fig. 3 and 7, the light guide 25 may be positioned between the circuit board 23 and the cover plate 211, and fixedly coupled to the circuit board 23. Illustratively, the light guide 25 may be secured to the circuit board 23 by fasteners (e.g., screws, rivets, etc.).

Illustratively, the plurality of second through holes 254 of the light guide 25 may be disposed in one-to-one correspondence with the plurality of pads 233 of the circuit board 23. One end of the electrode 22 may protrude out of the light guide 25 through the second through hole 254 and be electrically connected to the pad 233 of the circuit board 23.

Illustratively, the fourth region 2522 of the light guide 25 may have a groove 255. At least a portion of the light source 24 may be positioned within the recess 255 of the light guide 25. In this way, the light source 24 and the light guide 25 have overlapping areas in the thickness direction of the electrode tip 20, and the dimension of the beauty instrument 1000 in the thickness direction of the electrode tip 20 can be reduced.

Light from the light source 24 enters the light guide 25 from the fourth region 2522 and exits from the top surface 251 of the light guide 25.

Illustratively, the top surface 251 of the light guide 25 may be disposed directly opposite the cover plate 211 of the electrode cover 21. Light emitted from the top surface 251 of the light guide 25 may be emitted from the cover plate 211 of the electrode cover 21 to the outside of the beauty instrument 1000.

The light guide 25 is made of a light guide material. Illustratively, the material of the light guide 25 may be silica gel mixed with a light diffusing agent, or the like.

The light guide 25 has a light-equalizing effect for uniformly diffusing the light emitted from the light source 24. The light after being uniform can be emitted from the cover plate 211 of the electrode cover 21 through the light guide member 25, so as to meet the requirements of distinct light and uniform and mild brightness of the beauty instrument 1000.

As shown in fig. 7, the light guide 25 may have a reflective layer 256. The reflective layer 256 may be provided on at least one of the third region 2521 of the bottom surface 252 of the light guide 25 and the peripheral side surface 253 of the light guide 25.

Illustratively, the reflective layer 256 may be disposed on the third region 2521 of the bottom surface 252 of the light guide 25 and the peripheral side surface 253 of the light guide 25. In other embodiments, the reflective layer 256 may be disposed on the first region 2311 of the bottom surface 252 of the light guide 25 or the peripheral side surface 253 of the light guide 25.

In one embodiment, the light emitted from the light source 24 enters the light guide 25 from the fourth region 2522, is reflected by the reflective layer 256 located on the peripheral side 253 of the light guide 25, and exits from the top surface 251 of the light guide 25.

In another embodiment, the light emitted from the light source 24 enters the light guide 25 from the fourth region 2522, is reflected by the reflective layer 256 located on the peripheral side 253 of the light guide 25 to the third region 2521 of the light guide 25, and is reflected by the reflective layer 256 located on the third region 2521 of the light guide 25, and is emitted from the top surface 251 of the light guide 25.

Illustratively, the material of the reflective layer 256 may be a metallic reflective material, a glass reflective material, a carbon fiber reflective material, or the like.

As shown in fig. 7, the peripheral side surface 253 and the top surface 251 of the light guide 25 may be disposed at an angle. The angle between the peripheral side surface 253 and the top surface 251 of the light guide 25 may be in the range of 100 deg. -170 deg..

Illustratively, the angle between the peripheral side 253 and the top 251 of the light guide 25 may be in the range of 120 ° -150 °, e.g., 120 °, 135 °, 145 °, etc.

The angle between the peripheral side surface 253 and the top surface 251 of the light guide 25 according to the embodiment of the present utility model is in the range of 100 ° -170 °. Thus, the light emitted by the light source 24 can be reflected by the reflecting layer 256 on the peripheral side 253 and then emitted from the light guide 25, so that the brightness of the light is more uniform and mild, and the beauty apparatus 1000 has better light homogenizing effect. Meanwhile, in the direction parallel to the top surface 251 of the light guide member 25, the peripheral side surface 253 occupies a smaller space, and the volume of the light guide member 25 can be reduced, which is beneficial to realizing the miniaturized arrangement of the beauty instrument 1000.

Fig. 8 is a schematic view of the housing of fig. 2 at different angles.

As shown in fig. 1 and 8, the housing 10 has an opening 11. The opening 11 communicates the inside and the outside of the housing 10. The main body 30 located inside the case 10 may be electrically connected to the electrode tip 20 located outside the case 10 through the opening 11.

Illustratively, the opening 11 may be elliptical. In other embodiments, the opening 11 may be circular.

As shown in fig. 3 and 8, the electrode tip 20 may be clamped to the case 10.

Illustratively, the electrode cap 21 of the electrode head 20 may have a plurality of detents 214. The inner wall of the housing 10 may have a plurality of limiting grooves 12. The limiting groove 12 may be provided close to the opening 11. The limit grooves 12 of the housing 10 are in one-to-one correspondence with the clamping portions 214 of the electrode tip 20. At least part of the detent 214 of the electrode tip 20 may be located in the limit slot 12 of the housing 10. In this way, the electrode tip 20 can cover the opening 11 of the housing 10, preventing external water, dust, etc. from entering the interior of the housing 10 from the opening 11, affecting the performance of the host 30 located inside the housing 10.

According to the beauty instrument 1000 provided by the embodiment of the utility model, the clamping part 214 of the electrode tip 20 is matched with the limiting groove 12 of the shell 10, so that the electrode tip 20 is fixedly connected to the shell 10, the positioning accuracy is good, and the structure is simple.

As shown in fig. 2, the cosmetic device 1000 may further include a first seal 26. The first seal 26 may hermetically connect the electrode cap 21 with the case 10. The first seal 26 may be a waterproof ring. A first seal 26 may be provided between the electrode head 20 and the housing 10. In this way, there is no gap between the electrode tip 20 and the case 10, and foreign matters such as water and dust can be prevented from entering the inside of the beauty instrument 1000 through the gap between the opening 11 and the first seal 26 and the case 10, and damaging the internal components. The cosmetic device 1000 has good sealing waterproofness and durability.

Illustratively, the first seal 26 may be waterproof silicone, nylon, leather, or the like.

Fig. 9 is a schematic view of the beauty instrument of fig. 1 at different angles.

As shown in fig. 9, the cosmetic apparatus 1000 further includes a charging interface 40 (fig. 2 also illustrates the structure of the charging interface 40). Illustratively, the charging interface 40 may be secured to the host 30 and electrically connected with the host 30. The charging interface 40 may be a universal serial bus (Universal Serial Bus, USB) interface, a Lightning (Lightning) interface, or the like. The external power source can charge the beauty instrument 1000 through the charging interface 40.

Illustratively, the housing 10 also includes a power aperture 13. The power hole 13 is spaced apart from the opening 11. The power supply hole 13 may be located at a peripheral side wall 103 of the housing 10. A portion of the charging interface 40 is exposed to the housing 10 through the power hole 13 for connection to an external power source.

In one embodiment, the cosmetic device 1000 may further include a second seal 41. A second seal 41 may be provided between the charging interface 40 and the housing 10. The second seal 41 may closely fit the charging interface 40 and the inner wall of the power supply hole 13 of the housing 10. In this way, no gap exists between the charging interface 40 and the housing 10, and impurities such as water, dust, etc. can be prevented from entering the interior of the beauty instrument 1000 through the gap between the power hole 13 and the second seal 41 and the housing 10, and damaging the internal components. The cosmetic device 1000 has good sealing waterproofness and durability.

The second seal 41 may be, for example, waterproof silicone, nylon, leather, or the like.

As shown in fig. 2, the cosmetic instrument 1000 includes at least one key 50 for implementing the internal and external interactive functions of the cosmetic instrument 1000.

Illustratively, the housing 10 may include at least one key hole 14. The key hole 14 may be located in the peripheral side wall 103 of the housing 10. The key hole 14 is spaced from the opening 11 and the power hole 13. The key 50 may be fixedly mounted to the key hole 14 and exposed with respect to the key hole 14. A portion of the key 50 may extend into the interior of the housing 10 through the key aperture 14 for activating a key switch within the housing 10. The user can press the key 50 through the through hole to trigger the key switch inside the housing 10, and adjust the operation mode of the beauty instrument 1000.

Illustratively, the exposed portions of keys 50 opposite key apertures 14 may be flush with the exterior surface of housing 10. Thus, the beauty instrument 1000 has better appearance consistency and aesthetic property, and improves the use experience of users.

In other embodiments, the exposed portions of the keys 50 relative to the key holes 14 may protrude relative to the exterior surface of the housing 10.

Illustratively, the number of key holes 14 may be two. The two key holes 14 are spaced apart. The number of keys 50 may be two. Each key 50 is fixedly mounted to each key hole 14 in a one-to-one correspondence. Two keys 50 may be used to adjust the operating power of the cosmetic instrument 1000. One of the keys 50 may be used to increase the operating power and the other key 50 may be used to decrease the operating power.

In other embodiments, the number of keys 50 may be one or more than two. The key 50 may also be used to adjust the operating mode of the cosmetic instrument 1000 and the powering on and off of the cosmetic instrument 1000.

Illustratively, the key 50 may be made of hard plastic, such as ABS.

In one embodiment, the cosmetic device 1000 may further include a third seal (not shown). A third seal may be provided between the key 50 and the housing 10. The third seal may closely conform to the key 50 and the inner wall of the key hole 14 of the housing 10. In this way, there is no gap between the key 50 and the case 10, and foreign materials such as water, dust, etc. can be prevented from entering the inside of the beauty instrument 1000 through the gap between the key hole 14 and the third seal member and the case 10, damaging the internal components. The cosmetic device 1000 has good sealing waterproofness and durability.

The third seal may be, for example, waterproof silicone, nylon, leather, or the like.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other, and any combination of features in different embodiments is also within the scope of the present utility model, that is, the above-described embodiments may also be combined arbitrarily according to actual needs.

It should be noted that all the foregoing drawings are exemplary illustrations of the present utility model, and do not represent actual sizes of products. And the dimensional relationships among the components in the drawings are not intended to limit the actual products of the utility model.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. An electrode tip for use in a cosmetic instrument, comprising:

the electrode cover comprises a cover plate and a side wall connected to the periphery of the cover plate, the cover plate is of a transparent structure, the cover plate is provided with a plurality of first through holes, and the side wall is of a shading structure;

a plurality of electrodes mounted in one-to-one correspondence to the first through holes;

the circuit board is positioned on the inner side of the electrode cover and is provided with a first surface and a second surface which are arranged opposite to each other, the first surface faces the electrode cover, the first surface is provided with a first area and a second area surrounding the first area, the first area is arranged opposite to the cover plate, and a plurality of electrodes are connected to the first area;

a plurality of light sources mounted on the circuit board and located in the second region; the method comprises the steps of,

the light guide piece is positioned between the circuit board and the cover plate and is fixedly connected with the circuit board, and light rays emitted by the light source are emitted from the cover plate to the outside of the beauty instrument through the light guide piece.

2. The electrode head of claim 1 wherein the light guide has a top surface and a bottom surface disposed opposite each other, and a peripheral side surface connecting the top surface and the bottom surface, the bottom surface including a third region and a fourth region, the fourth region surrounding the third region;

the third area is provided with a plurality of second through holes, a plurality of electrodes are in one-to-one correspondence with the second through holes, and a part of the electrodes extends out of the light guide piece through the second through holes;

the light source is arranged opposite to the fourth area, and light rays emitted by the light source enter the light guide piece from the fourth area and are emitted from the top surface.

3. The electrode tip of claim 2, wherein the light guide has a reflective layer provided on at least one of the third region and the peripheral side surface.

4. A tip according to claim 3, wherein the peripheral side surface is disposed at an angle to the top surface, the angle being in the range 100 ° -170 °.

5. A tip as claimed in claim 2 or claim 3, wherein the fourth region has a plurality of recesses, at least part of the plurality of light sources being located in a one-to-one correspondence within the plurality of recesses.

6. A tip as claimed in claim 2 or claim 3, wherein the side wall comprises a light transmissive body and a light shielding layer secured to an inner surface of the light transmissive body, the light transmissive body being an integral structural member with the cover plate.

7. The electrode tip of claim 3, wherein the second through hole is an interference fit with the electrode.

8. The electrode tip of claim 1, wherein at least one of the light sources comprises at least two of a first sub-light source, a second sub-light source, and a third sub-light source, wherein the light emitted by the first sub-light source is red light, the light emitted by the second sub-light source is blue light, and the light emitted by the third sub-light source is ultraviolet light.

9. A beauty treatment instrument, characterized by comprising a shell, a host and the electrode tip of any one of claims 1 to 8, wherein the host is mounted in the interior of the shell, and the electrode tip is clamped in the shell.

10. The cosmetic device of claim 9, further comprising a seal that sealingly connects the electrode tip and the housing.