Skin phototherapy instrument and cosmetic appliance

Abstract

The skin phototherapy instrument comprises a main shell, a phototherapy assembly and a sleeve, the main shell is provided with a physiotherapy end, and the end face of the physiotherapy end is provided with a light-transmitting area; the phototherapy assembly is arranged in the main shell and corresponds to the light-transmitting area; the sleeve is provided with a mounting end and an opening end which are opposite to each other, the sleeve is movably arranged on the main shell in a sleeving manner so as to have a use state and a storage state, in the storage state, the sleeve extends out relative to the main shell so that the physiotherapy end can be stored in the sleeve, and the sleeve covers a cosmetic container through the opening end; in the using state, the sleeve retracts relative to the main shell, so that the physical therapy end is flush with the opening end or protrudes out of the opening end. According to the technical scheme, the use convenience can be improved.

Description

Technical Field

[0001] The utility model relates to the field of cosmetic appliances, in particular to a skin phototherapy device and a cosmetic appliance. Background Art

[0002] The theoretical basis of phototherapy is that after biological tissue absorbs light energy, cells and mitochondria, among other tissues, convert it into heat and chemical energy, which in turn triggers a series of biochemical reactions within the body. There are some small phototherapy devices available on the market that are small enough to be handheld and used at any time. For example, after applying skincare products, a phototherapy device can be used to promote their absorption. However, in daily life, phototherapy devices are often stored separately, making them easy to forget where they are stored and carry, making them inconvenient to use. Utility Model Content

[0003] The main purpose of this utility model is to provide a skin phototherapy device, aiming to improve the convenience of use.

[0004] To achieve the above-mentioned purpose, the skin phototherapy device proposed in the present invention comprises:

[0005] A main housing having a therapy end, wherein an end surface of the therapy end has a light-transmitting area;

[0006] a light therapy component, disposed in the main housing and corresponding to the light-transmitting area; and

[0007] A sleeve having opposite mounting ends and an open end, the sleeve being movably sleeved on the main shell to have a use state and a storage state. In the storage state, the sleeve extends out from the main shell so that the therapy end is accommodated in the sleeve, and the sleeve covers the cosmetic container through the open end; in the use state, the sleeve retracts from the main shell so that the therapy end is flush with the open end or protrudes from the open end.

[0008] Optionally, an anti-rotation structure is provided between the main housing and the sleeve, and the anti-rotation structure at least partially extends along the sliding direction of the sleeve to limit the rotation of the sleeve relative to the main housing.

[0009] Optionally, the anti-rotation structure includes a first protrusion located on the inner wall of the sleeve and a second protrusion located on the outer periphery of the therapy end, the second protrusion extends along the circumference of the therapy end, the second protrusion is provided with a limiting notch, and the first protrusion is in the shape of a long strip extending along the sliding direction of the sleeve, and is slidably installed at the limiting notch.

[0010] Optionally, the second protrusion is annular and has a plurality of the limiting notches, the inner wall of the sleeve has a plurality of the first protrusions, and each of the first protrusions is slidably installed at a corresponding limiting notch.

[0011] Optionally, a first rib is provided on the outer peripheral surface of the main shell, and the first rib is spaced from the therapy end. A limiting rib is provided on the inner side of the mounting end. In the usage state, the limiting rib is clamped on the side of the first rib away from the therapy end.

[0012] Optionally, a protruding height of the second protrusion compared to the outer circumferential surface of the main shell is greater than a gap between the limiting protrusion ring and the outer circumferential surface of the main shell.

[0013] Optionally, a second rib is further provided on the outer circumferential surface of the main shell, and the second rib is arranged closer to the second convex portion than the first rib. In the storage state, the limiting convex ring is clamped between the second rib and the second convex portion.

[0014] Optionally, the main shell includes a lower shell and an upper shell connected to each other, the lower shell has the therapy end, and the upper shell is provided with an annular protrusion on the circumferential side of one end away from the lower shell, and the protruding height of the annular protrusion compared to the outer peripheral surface of the main shell is greater than the gap between the limiting protrusion ring and the outer peripheral surface of the main shell. In the usage state, the limiting protrusion ring is clamped between the first rib and the limiting protrusion ring.

[0015] Optionally, the skin phototherapy device further includes a main control board and two conductive electrodes, both of which are exposed on the end surface of the therapy end and are electrically connected to the main control board.

[0016] Optionally, one of the conductive electrodes is ring-shaped and is arranged around the other conductive electrode at intervals; and the light-transmitting area is located between the two conductive electrodes.

[0017] Optionally, the skin phototherapy device also includes a main control board, a battery and a wireless charging coil. The battery and the wireless charging coil are electrically connected to the main control board. A charging position is provided on the end face of the main shell away from the therapy end, and the wireless charging coil is arranged corresponding to the charging position.

[0018] Optionally, a button is provided on the end surface of the main shell away from the therapy end, and the button is electrically connected to the main control board in the main shell; the end surface of the main shell away from the therapy end is concave, and the button is located at the center of the concave part of the main shell.

[0019] The present invention further provides a cosmetic device, comprising a cosmetic container and the above-mentioned skin phototherapy device, wherein the sleeve of the skin phototherapy device is detachably covered on the cosmetic container.

[0020] The technical solution of the present invention is to provide a light-transmitting area on the end face of the treatment end of the main shell, and to provide a phototherapy component at a position corresponding to the light-transmitting area in the main shell, so that the phototherapy component can be used for phototherapy. By providing a movable sleeve on the main shell, the sleeve has a use state and a storage state. In the use state, the sleeve is retracted relative to the main shell, allowing the treatment end to extend from the open end to facilitate phototherapy. In the storage state, the sleeve is extended relative to the main shell, allowing the treatment end to be accommodated in the sleeve. At this time, the sleeve can be covered on the cosmetic container through the open end, so that the skin phototherapy device and the cosmetic container can be stored together, making it convenient to use the skin phototherapy device at any time after applying the skin care products to promote the absorption of the skin care products, avoiding the situation where the skin phototherapy device is easily forgotten or forgotten to be carried when it is stored separately, thereby greatly improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0022] Figure 1 This is a structural diagram of an embodiment of the skin phototherapy device of the present utility model;

[0023] Figure 2 for Figure 1 Cross-sectional view of the skin phototherapy device;

[0024] Figure 3 for Figure 1 Schematic diagram of the structure when the middle sleeve is in the storage state;

[0025] Figure 4 for Figure 3 Cross-sectional view of the skin phototherapy device;

[0026] Figure 5 for Figure 1 Schematic diagram of the structure of the middle main shell;

[0027] Figure 6 for Figure 5 Schematic diagram of the structure of the physiotherapy end of the middle main shell;

[0028] Figure 7 for Figure 1 Schematic diagram of the structure of the middle sleeve;

[0029] Figure 8 This is a schematic structural diagram of an embodiment of the cosmetic device of the present utility model;

[0030] Figure 9 for Figure 8 Exploded view of cosmetic container and skin phototherapy device.

[0031] Description of Figure Numbers:

[0032] 10. Main shell; 11. Therapy end; 111. Light-transmitting area; 12. First rib; 13. Second rib; 14. Second convex portion; 141. Limiting notch; 15. Upper shell; 151. Annular convex portion; 16. Lower shell; 30. Phototherapy component; 31. Light-emitting element; 32. Circuit board; 20. Sleeve; 21. Mounting end; 211. Limiting convex ring; 22. Open end; 23. First convex portion; 41. Main control board; 42. Conductive electrode; 43. Battery; 44. Button; 45. Wireless charging coil; 50. Cosmetic container.

[0033] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0036] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the meaning of "and / or" appearing throughout the text is to include three parallel solutions. Taking "A and / or B as an example", it includes solution A, or solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0037] The utility model provides a skin phototherapy device.

[0038] In the embodiment of the present utility model, Figures 1 to 7 As shown, the skin phototherapy device includes a main shell 10, a phototherapy component 30 and a sleeve 20. The main shell 10 has a physical therapy end 11, and the end surface of the physical therapy end 11 has a light-transmitting area 111; the phototherapy component 30 is arranged in the main shell 10 and is arranged corresponding to the light-transmitting area 111; the sleeve 20 has a relative mounting end 21 and an open end 22, and the sleeve 20 is movably sleeved on the main shell 10 to have a use state and a storage state. In the storage state, the sleeve 20 extends relative to the main shell 10, so that the physical therapy end 11 is accommodated in the sleeve 20, and the sleeve 20 is covered on the cosmetic container (refer to Figure 8 and Figure 9 ) on; in use, the sleeve 20 is retracted compared to the main housing 10, so that the therapy end 11 is flush with the open end 22 or protrudes outward from the open end 22.

[0039] The phototherapy component 30 has at least one light-emitting element 31, which is used to emit light of a specific wavelength. When in use, the light emitted by the light-emitting element 31 is emitted outward through the light-transmitting portion to irradiate the skin for a therapeutic effect. The phototherapy component 30 can emit one or more of red light, blue light, purple light or other light, and different types of light-emitting elements 31 can be set as needed. Among them, a battery 43 can be set on the skin phototherapy device for power supply, or an external power supply (such as a mobile power supply) can be used for power supply. The skin phototherapy device also includes a main control board 41, which is arranged in the main shell 10 and is electrically connected to the phototherapy component 30.

[0040] When it is not in use, the sleeve 20 is slid so that the open end 22 of the sleeve 20 extends out from the main shell 10 until it is in the storage state. The therapy end 11 is accommodated in the sleeve 20 and is located between the mounting end 21 and the open end 22. At this time, the portion of the sleeve 20 extending relative to the therapy end 11 can be covered on the cosmetic container (such as a lid). In this way, the therapy end 11 can be stored inside to prevent the therapy end 11 from being exposed to the outside. When it is needed, the skin phototherapy device is removed from the cosmetic container and the sleeve 20 is slid so that the sleeve 20 is retracted relative to the main shell 10 until the therapy end 11 extends from the open end 22 or the end face of the therapy end 11 is flush with the end face of the open end 22. At this time, the phototherapy component 30 can be used for phototherapy.

[0041] The technical solution of the present invention is to provide a light-transmitting area 111 on the end face of the treatment end 11 of the main shell 10, and to provide a phototherapy component 30 at a position corresponding to the light-transmitting area 111 in the main shell 10, so that the phototherapy component 30 can be used for phototherapy. By providing a movable sleeve 20 on the main shell 10, the sleeve 20 has a use state and a storage state. In the use state, the sleeve 20 is retracted relative to the main shell 10, allowing the treatment end 11 to extend from the open end 22 to facilitate phototherapy. In the storage state, the sleeve 20 is extended relative to the main shell 10, allowing the treatment end 11 to be accommodated in the sleeve 20. At this time, the sleeve 20 can be covered on the cosmetic container through the open end 22, so that the skin phototherapy device and the cosmetic container can be stored together, making it convenient to use the skin phototherapy device at any time after applying the skin care products to promote the absorption of the skin care products, avoiding the situation where the skin phototherapy device is easily forgotten or forgotten when it is stored separately, thereby greatly improving the convenience of use. Moreover, in the storage state, the sleeve 20 can cover the outside of the cosmetic container 50 through the open end 22, and the liquid outlet of the cosmetic container 50 is set inside to prevent the liquid outlet from being dirty. Therefore, the skin phototherapy device is also used as a cover at this time.

[0042] In some embodiments, the sleeve 20 is mounted outside the main housing 10. The outer circumference of the main housing 10 is provided with a first rib 12, which is spaced from the therapeutic end 11. A retaining ring 211 is provided on the inner side of the mounting end 21. In use, the retaining ring 211 engages the side of the first rib 12 away from the therapeutic end 11. Specifically, a gap is formed between the retaining ring 211 and the outer circumference of the main housing 10. The protrusion height of the first rib 12 relative to the outer circumference of the main housing 10 is slightly greater than the gap between the retaining ring 211 and the outer circumference of the main housing 10. This allows the retaining ring 211 to pass over the first rib 12 when an external force is applied to the sleeve 20. In this way, the first rib 12 restrains the sleeve 20 in its in-use state, preventing it from easily sliding relative to the main housing 10 and facilitating user use.

[0043] Optionally, the outer circumference of the main housing 10 is provided with a plurality of first ribs 12, which are spaced apart along the circumference of the main housing 10, and each first rib 12 is in the shape of an elongated strip. Alternatively, the first rib 12 is in the shape of a ring extending along the circumference of the main housing 10.

[0044] In some embodiments, an anti-rotation structure is provided between the main housing 10 and the sleeve 20. The anti-rotation structure extends at least partially along the sliding direction of the sleeve 20 to limit the sleeve 20 from rotating relative to the main housing 10. This can limit the freedom of the sleeve 20, improve the installation stability of the sleeve 20, and prevent relative rotation of the main housing 10 when the sleeve 20 is in the stored state.

[0045] In some embodiments, the anti-rotation structure includes a first protrusion 23 located on the inner wall of the sleeve 20 and a second protrusion 14 located on the outer periphery of the therapy end 11. The second protrusion 14 extends along the circumference of the therapy end 11. The second protrusion 14 is provided with a limiting notch 141. The first protrusion 23 is in the shape of a long strip extending along the sliding direction of the sleeve 20 (i.e., the direction in which the open end 22 of the sleeve 20 points to the mounting end 21), and is slidably mounted at the limiting notch 141. Specifically, the second protrusion 14 is provided to protrude relative to the outer periphery of the main shell 10, and the limiting notch 141 can be higher than or flush with the outer periphery of the shell. In this way, by providing the second protrusion 14 on the outer periphery of the therapy end 11, while limiting the rotation of the sleeve 20 relative to the main shell 10, the structure of the outer periphery of the main shell 10 can be simplified. For example, the outer periphery of the main shell 10 adopts a simple cylindrical surface. Of course, in other embodiments, the main housing 10 may be configured as a prism or an elliptical cylinder, and the shape of the sleeve 20 may be adapted to the shape of the main housing 10. In this case, the concave-convex matching structure between the sleeve 20 and the main housing 10 forms an anti-rotation structure. Alternatively, the anti-rotation structure may include a groove on the outer circumference of the main housing 10 and a protrusion on the inner wall of the sleeve 20, with one of the groove and the protrusion being in the shape of an elongated strip extending along the sliding direction of the sleeve 20.

[0046] In some embodiments, the second protrusion 14 is annular and has multiple (at least two) limiting notches 141. The inner wall of the sleeve 20 has multiple first protrusions 23, each of which is slidably mounted on a corresponding limiting notch 141. Specifically, the multiple limiting notches 141 are spaced apart along the circumference of the main housing 10, and the multiple first protrusions 23 are spaced apart along the circumference of the sleeve 20, with the multiple limiting notches 141 corresponding one-to-one to the multiple first protrusions 23. The provision of multiple limiting notches 141 and multiple first protrusions 23 for limiting position can improve the stability of the sleeve 20 when sliding on the main housing 10, making it easier for the user to slide the sleeve 20.

[0047] In some embodiments, the gap between two adjacent first ribs 12 corresponds to a limiting notch 141 set to avoid the first protrusion 23, which is beneficial to reducing the protrusion height of the second protrusion 14 and allowing the first protrusion 23 to be as close to the outer peripheral surface of the main shell 10 as possible, thereby reducing the radial dimension of the sleeve 20.

[0048] In some embodiments, the height of the second protrusion 14 relative to the outer circumference of the main housing 10 is greater than the gap between the limiting protrusion 211 and the outer circumference of the main housing 10. In other words, the second protrusion 14 can prevent the sleeve 20 from falling out of the treatment end 11, thereby improving the reliability of the sleeve 20 and enhancing the user experience.

[0049] In some embodiments, the outer circumference of the main housing 10 is further provided with a second rib 13. The second rib 13 is positioned closer to the second protrusion 14 than the first rib 12. In the retracted state, the retaining ring 211 is located between the second rib 13 and the second protrusion 14. The protrusion height of the second rib 13 relative to the outer circumference of the main housing 10 is slightly greater than the gap between the retaining ring 211 and the outer circumference of the main housing 10. This allows the retaining ring 211 to pass over the second rib 13 when an external force is applied to the sleeve 20. In this way, when retracted, the second rib 13 and the second protrusion 14 restrain the sleeve 20 in the retracted state, preventing it from easily sliding relative to the main housing 10. When a gap is set between the end surface of the treatment end 11 and the cosmetic container, the main housing 10 can be stably maintained in the gap between the end surface of the treatment end 11 and the cosmetic container, preventing contact and friction between the end surface of the treatment end 11 and the cosmetic container.

[0050] Optionally, the outer circumference of the main housing 10 is provided with a plurality of second ribs 13, which are spaced apart along the circumference of the main housing 10, and each second rib 13 is in the shape of an elongated strip. Alternatively, the second rib 13 is in the shape of a ring extending along the circumference of the main housing 10.

[0051] In some embodiments, the gap between two adjacent second ribs 13 is configured to correspond to the limiting notch 141 to avoid the first protrusion 23 .

[0052] In some embodiments, the main housing 10 includes a lower housing 16 and an upper housing 15 connected to each other. The lower housing 16 has a therapeutic end 11. An annular protrusion 151 is provided on the circumference of the end of the upper housing 15 remote from the lower housing 16. The protrusion of the annular protrusion 151 relative to the outer circumference of the main housing 10 is greater than the gap between the retaining protrusion 211 and the outer circumference of the main housing 10. In use, the retaining protrusion 211 is retained between the first protrusion 12 and the annular protrusion 151. In other embodiments, the sleeve 20 can be first inserted into the upper housing 15 or the lower housing 16, and then the upper and lower housings 15 and 16 are fixed together. This retaining protrusion 211 is retained between the second protrusion 14 and the annular protrusion 151, preventing the sleeve 20 from falling off the main housing 10 and improving its reliability. Of course, in other embodiments, the annular protrusion 151 can also be screwed or clamped onto the end of the main housing 10 remote from the therapeutic end 11. Alternatively, the end of the main shell 10 away from the therapy end 11 is open, and the skin phototherapy device also includes a mounting cover, which is installed on the end of the main shell 10 away from the therapy end 11, and the radial dimension of the mounting cover is larger than the radial dimension of the main shell 10.

[0053] In some embodiments, the skin phototherapy device also includes a main control board 41 and two conductive electrodes 42. The two conductive electrodes 42 are exposed on the end face of the physical therapy end 11 and are electrically connected to the main control board 41; specifically, the two conductive electrodes 42 are spaced apart and protrude compared to the end face of the physical therapy end 11. The main control board 41 has an electric pulse massage circuit, and the two conductive electrodes 42 are connected to the electric pulse massage circuit. In this way, the two conductive electrodes 42 can be used to contact the skin and use pulse current for physical therapy / massage, which increases the functionality of the skin phototherapy device and is convenient for users to use according to their needs.

[0054] In some embodiments, one of the conductive electrodes 42 is annular and spaced apart around the other conductive electrode 42; the light-transmitting region 111 is located between the two conductive electrodes 42, i.e., the light-transmitting region 111 is arranged in an annular shape. This arrangement allows both the conductive electrodes 42 and the light-transmitting region 111 to be larger, enabling better light therapy and electric pulse massage. Of course, in other embodiments, the two conductive electrodes 42 can be placed near either side of the end surface of the treatment end 11, with the light-transmitting region 111 located between the two conductive electrodes 42. Alternatively, the light-transmitting region 111 can be arranged around the two conductive electrodes 42.

[0055] Optionally, the phototherapy component 30 includes a circuit board 32 and a light-emitting element 31 disposed on the circuit board 32 . The circuit board 32 is annular and is disposed corresponding to the annular light-transmitting area 111 between the two conductive electrodes 42 .

[0056] In some embodiments, the treatment end 11 is provided with a mounting groove, the bottom wall of the mounting groove is provided with a light-transmitting hole, a light-transmitting plate covering the light-transmitting hole is provided in the mounting groove, and the light-emitting element 31 is provided corresponding to the light-transmitting hole.

[0057] In some embodiments, the skin phototherapy device also includes a battery 43 and a wireless charging coil 45. The battery 43 and the wireless charging coil 45 are both electrically connected to the main control board 41. A charging position is provided on the end face of the main shell 10 away from the therapy end 11, and the wireless charging coil 45 is provided corresponding to the charging position. In this way, the phototherapy component 30 can be powered by the battery 43, and can be used without an external power supply, which is convenient for users. By providing a wireless charging coil 45, a wireless charger can be used for charging, avoiding the need to open a hole in the main shell 10 to provide an interface, and can improve the waterproof performance of the skin phototherapy device. In this embodiment, the charging position may refer to a plane that constitutes a part of the end face of the main shell 10, or the charging position is a groove; or the charging position is a protrusion. Of course, in other embodiments, a charging interface may also be provided on the main shell 10.

[0058] In some embodiments, a button 44 is provided on the end face of the main shell 10 away from the therapy end 11, and the button 44 is electrically connected to the main control board 41; this can avoid interference between the button 44 and the sleeve 20, and it is convenient to press the button 44 during use. The button 44 can be used as an on / off switch. Optionally, the end face of the main shell 10 away from the therapy end 11 is concave, and the button 44 is located at the center of the concave of the main shell 10, that is, the button 44 is located at the lowest point of the concave. Optionally, the lowest point of the concave coincides with the center of the end face of the main shell 10 away from the therapy end 11, so the button 44 is located at the center of the concave end face, which makes it easy to find the position of the button 44 by touch.

[0059] The present invention also provides a cosmetic device, such as Figure 8 and Figure 9 As shown, the cosmetic device includes a cosmetic container 50 and a skin phototherapy device. The specific structure of the skin phototherapy device refers to the above-mentioned embodiment. Since the present cosmetic device adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above-mentioned embodiments, which will not be described one by one here. Among them, the sleeve 20 of the skin phototherapy device is detachably covered on the cosmetic container 50. The cosmetic container 50 can be used to hold liquids such as facial cream, lotion or facial cleanser, and the cosmetic container 50 has a liquid outlet for the internal liquid to flow out. When the sleeve 20 covers the cosmetic container 50, the liquid outlet is covered inside, so the skin phototherapy device is also used as a lid.

[0060] It is understandable that skin care products such as creams, lotions, and facial cleansers are a type of cosmetics.

[0061] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A skin phototherapy device, characterized in that: include: A main housing having a therapy end, wherein an end surface of the therapy end has a light-transmitting area; a light therapy component, disposed in the main housing and corresponding to the light-transmitting area; as well as A sleeve having opposite mounting ends and an open end, the sleeve being movably sleeved on the main shell to have a use state and a storage state. In the storage state, the sleeve extends out from the main shell so that the therapy end is accommodated in the sleeve, and the sleeve covers the cosmetic container through the open end; in the use state, the sleeve retracts from the main shell so that the therapy end is flush with the open end or protrudes from the open end.

2. The skin phototherapy device according to claim 1, wherein: An anti-rotation structure is provided between the main housing and the sleeve. The anti-rotation structure at least partially extends along the sliding direction of the sleeve to limit the sleeve from rotating relative to the main housing.

3. The skin phototherapy device according to claim 2, wherein: The anti-rotation structure includes a first protrusion located on the inner wall of the sleeve and a second protrusion located on the outer periphery of the therapy end. The second protrusion extends along the circumference of the therapy end. The second protrusion is provided with a limiting notch. The first protrusion is in the shape of a long strip extending along the sliding direction of the sleeve and is slidably installed at the limiting notch.

4. The skin phototherapy device according to claim 3, wherein: The second protrusion is annular and has a plurality of limiting notches. The inner wall of the sleeve has a plurality of first protrusions, and each first protrusion is slidably mounted on a corresponding limiting notch.

5. The skin phototherapy device according to claim 3, wherein: A first rib is provided on the outer peripheral surface of the main shell, and the first rib is spaced from the therapy end. A limiting rib is provided on the inner side of the mounting end. In the usage state, the limiting rib is clamped on the side of the first rib away from the therapy end.

6. The skin phototherapy device according to claim 5, characterized in that: The outer circumferential surface of the main shell is further provided with a second rib, which is arranged closer to the second convex portion than the first rib. In the stored state, the limiting convex ring is clamped between the second rib and the second convex portion.

7. The skin phototherapy device according to claim 5, characterized in that: The main shell includes a lower shell and an upper shell connected to each other, the lower shell has the therapeutic end, and the upper shell is provided with an annular protrusion on the circumference of one end away from the lower shell. In the use state, the limiting protrusion is clamped between the first rib and the limiting protrusion.

8. The skin phototherapy device according to any one of claims 1 to 7, characterized in that: The skin phototherapy device further includes a main control board and two conductive electrodes, both of which are exposed on the end surface of the treatment end and are electrically connected to the main control board; One of the conductive electrodes is ring-shaped and is arranged around the other conductive electrode at intervals; the light-transmitting area is located between the two conductive electrodes.

9. The skin phototherapy device according to claim 1, wherein: The skin phototherapy device also includes a main control board, a battery and a wireless charging coil, wherein the battery and the wireless charging coil are electrically connected to the main control board, and a charging position is provided on the end surface of the main housing away from the treatment end, and the wireless charging coil is arranged corresponding to the charging position; And / or, a button is provided on the end surface of the main shell away from the therapy end, and the button is electrically connected to the main control board in the main shell; the end surface of the main shell away from the therapy end is concave, and the button is located at the center of the concave part of the main shell.

10. A cosmetic device, characterized in that: It comprises a cosmetic container and a skin phototherapy device according to any one of claims 1 to 9, wherein the sleeve of the skin phototherapy device is detachably covered on the cosmetic container.

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