Shell for beautifying and protecting equipment, preparation method of shell and beautifying and protecting equipment

Abstract

The invention discloses a shell for beauty and protection equipment, a preparation method of the shell and the beauty and protection equipment, the shell comprises a base body, a reflecting layer, a curing layer and an anti-fingerprint coating layer, a plurality of grooves are formed in the outer surface of the base body, and at least two of the grooves are different in depth; the reflecting layer wraps the outer surface of the base body, and part of the reflecting layer is located in the multiple grooves; the curing layer wraps the outer surface of the reflecting layer; and the anti-fingerprint coating layer wraps the outer surface of the curing layer. According to the invention, the shell, the groove, the reflecting layer and the anti-fingerprint coating layer cooperate with each other, so that the shell can present a visual effect of three-dimensional textures under an illumination working condition, the shell is more attractive, and fingerprints or oil stains can be prevented from being attached to the outer surface of the shell, so that the cleaning frequency of the beauty and protection equipment can be reduced, the damage to the shell is reduced, and the service life of the beauty and protection equipment is prolonged. And the service life of the beauty care equipment is ensured.

Description

Technical Field

[0001] This invention relates to the field of beauty and personal care equipment, and in particular to a housing for beauty and personal care equipment, a method for preparing the housing, and the beauty and personal care equipment itself. Background Technology

[0002] In related technologies, the outer shell of handheld beauty devices is usually designed to be smooth. The surface of the shell is prone to dirt such as oil stains or fingerprints, which makes the handheld beauty device look unattractive. It also requires frequent cleaning of the shell, which affects the user experience and can damage the shell, thus affecting the lifespan of the handheld beauty device. Summary of the Invention

[0003] The present invention aims to at least solve one of the technical problems existing in the prior art. To this end, one object of the present invention is to provide a housing for beauty and skin care devices that can exhibit a three-dimensional textured visual effect under light conditions, and can prevent fingerprints or oil stains from adhering to the outer surface of the housing, thereby reducing the frequency of cleaning the beauty and skin care devices and reducing damage to the housing.

[0004] Another object of the present invention is to provide a method for preparing the housing of the above-mentioned beauty care device.

[0005] Another object of the present invention is to provide a beauty care device with the above-described housing.

[0006] According to a first aspect of the present invention, a housing for a beauty care device includes: a substrate having a plurality of grooves formed on its outer surface, at least two of the plurality of grooves having different depths; a reflective layer covering the outer surface of the substrate, a portion of the reflective layer being located within the plurality of grooves; a curing layer covering the outer surface of the reflective layer; and an anti-fingerprint coating layer covering the outer surface of the curing layer.

[0007] According to an embodiment of the present invention, the housing has multiple grooves on the outer surface of the substrate, at least two of which have different depths, and the anti-fingerprint coating layer, the curing layer, and the reflective layer are arranged sequentially from the outer side of the substrate to the center of the substrate. Therefore, compared with traditional handheld beauty devices, the grooves, the reflective layer, and the anti-fingerprint coating layer work together to create a three-dimensional textured visual effect on the housing under illumination, making the housing more aesthetically pleasing. Furthermore, it prevents fingerprints or oil stains from adhering to the outer surface of the housing, thereby reducing the frequency of cleaning the beauty device, reducing damage to the housing, and ensuring the lifespan of the beauty device.

[0008] According to some embodiments of the present invention, the thickness of the reflective layer is less than the depth of the groove; wherein the depth of the groove is D1, the thickness of the reflective layer is D2, and D1 and D2 respectively satisfy: 10μm≤D1≤20μm, 1μm≤D2≤2μm.

[0009] According to some embodiments of the present invention, a plurality of grooves are arranged along the height direction of the substrate in the orthographic projection plane in the thickness direction of the substrate; each groove extends obliquely along the width direction of the substrate in the orthographic projection plane in the thickness direction of the substrate.

[0010] According to some embodiments of the present invention, the housing for the beauty care device further includes: a color-changing layer disposed between the reflective layer and the curing layer, wherein the thickness of the color-changing layer is less than the depth of the groove.

[0011] According to some embodiments of the present invention, the thickness of the color-changing layer is D3, wherein D3 satisfies: 10μm≤D3≤15μm.

[0012] According to some embodiments of the present invention, the thickness of the cured layer is D4, and the thickness of the anti-fingerprint coating layer is D5, wherein D4 and D5 respectively satisfy: 15μm≤D4≤25μm, 6nm≤D5≤20nm.

[0013] According to some embodiments of the present invention, a plurality of protrusions are formed on the anti-fingerprint coating layer, and the plurality of protrusions are arranged in an array.

[0014] According to some embodiments of the present invention, the cross-sectional area of ​​each of the protrusions gradually decreases in the direction away from the substrate.

[0015] According to some embodiments of the present invention, the protrusion is in the shape of a frustum, a cone, or a pyramid.

[0016] According to some embodiments of the present invention, the height of each of the protrusions is H, wherein H satisfies: 10μm≤H≤20μm.

[0017] According to some embodiments of the present invention, the housing for the beauty care device includes: a handle housing; a care head housing, the care head housing being disposed on one side of the handle housing in the height direction, the care head housing being detachably connected to the handle housing, or the care head housing being integrally formed with the handle housing; wherein, the density of the grooves in the care head housing is less than the density of the grooves in the handle housing; and / or the depth of the grooves in the care head housing is greater than the depth of the grooves in the handle housing.

[0018] A method for preparing the housing of a beauty care device according to a second aspect embodiment of the present invention includes the following steps: S1. Injection molding is performed to form the matrix; S2. Vacuum electroplating is performed on the substrate to form a reflective layer on the outer surface of the substrate; S3. Spray coating on the outer surface of the substrate on which the reflective layer is formed to form a cured layer on the outside of the reflective layer; S4. Electroplating is performed on the substrate on which the cured layer is formed to form an anti-fingerprint coating layer on the outside of the cured layer, thereby obtaining a housing, wherein the housing is the housing for beauty care device of the first aspect embodiment of the present invention described above.

[0019] According to some embodiments of the present invention, after step S2 and before step S5, the method further includes: S5. Spray a semi-transparent colored oil onto the outer surface of the substrate on which the reflective layer is formed, so as to form a color-changing layer between the reflective layer and the cured layer.

[0020] According to some embodiments of the present invention, step S4 is followed by: S6. Perform photolithography on the anti-fingerprint coating layer to form multiple protrusions on the anti-fingerprint coating layer.

[0021] A beauty care device according to a third aspect of the present invention includes a housing for a beauty care device according to the first aspect of the present invention described above.

[0022] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram of a beauty care device according to an embodiment of the present invention; Figure 2 yes Figure 1 A magnified view of a portion of the beauty care equipment shown; Figure 3 This is a cross-sectional view of the housing of the beauty care device according to an embodiment of the present invention; Figure 4 yes Figure 3 A schematic diagram of the base of the housing of the beauty care device shown; Figure 5 This is a flowchart of a method for preparing the housing of a beauty care device according to an embodiment of the present invention; Figure 6 This is a flowchart of a method for preparing the housing of a beauty care device according to another embodiment of the present invention; Figure 7 This is a flowchart of a method for preparing the housing of a beauty care device according to another embodiment of the present invention.

[0024] Figure label: 100: Beauty and personal care equipment; 10: Shell; 101: Substrate; 1011: Groove; 102: Reflective layer; 103: Curing layer; 104: Anti-fingerprint coating layer; 105: Color-changing layer; 106: Handle shell; 107: Nursing head shell. Detailed Implementation

[0025] Reference below Figures 1-4 A housing 10 for a beauty care device 100 according to an embodiment of the first aspect of the present invention is described.

[0026] like Figures 1-4 As shown, the housing 10 for a beauty care device 100 according to a first aspect embodiment of the present invention includes: a substrate 101, a reflective layer 102, a curing layer 103, and an anti-fingerprint coating layer 104.

[0027] Specifically, a plurality of grooves 1011 are formed on the outer surface of the substrate 101, at least two of the grooves 1011 have different depths, a reflective layer 102 is wrapped around the outer surface of the substrate 101, a portion of the reflective layer 102 is located within the plurality of grooves 1011, a curing layer 103 is wrapped around the outer surface of the reflective layer 102, and an anti-fingerprint coating layer 104 is wrapped around the outer surface of the curing layer 103.

[0028] For example, in Figures 1-4 In the example, the substrate 101 can be a plastic substrate 101. Grooves 1011 of different depths are machined on the injection mold so that the outer surface of the injection-molded substrate 101 has grooves 1011. The substrate 101 is electroplated to electroplat a reflective layer 102 on the outer surface of the substrate 101. After that, a UV-curable topcoat can be sprayed to form a cured layer 103 on the outside of the reflective layer 102. Finally, electroplating is performed again to form an anti-fingerprint coating layer 104, so that the anti-fingerprint coating layer 104, the cured layer 103 and the reflective layer 102 are arranged sequentially from the outside of the substrate 101 to the center of the substrate 101.

[0029] The curing layer 103 protects the substrate 101 and the reflective layer 102, preventing oxidation of both. The reflective layer 102 reflects light incident on the housing 10. Specifically, the reflective layer 102 works in conjunction with grooves 1011 of varying depths on the substrate 101, creating a three-dimensional textured visual effect under illumination, enhancing the housing 10's aesthetics. Simultaneously, the anti-fingerprint coating 104 prevents fingerprints or oil stains from adhering firmly to the outer surface of the housing 10, reducing the frequency of cleaning the beauty device 100, thus minimizing damage and extending its lifespan. It also reduces fingerprint visibility and light scattering.

[0030] It should be noted that the depths of two adjacent grooves 1011 can be the same or different. Only the outer surface of the base 101 needs to have grooves 1011 of different depths. Users can adjust the arrangement of the grooves 1011 according to design requirements.

[0031] Optionally, the curing layer 103 can be a UV-curable (ultraviolet light curing) curing layer, but is not limited to this.

[0032] According to an embodiment of the present invention, the housing 10 has multiple grooves 1011 formed on the outer surface of the substrate 101, at least two of which have different depths. The anti-fingerprint coating layer 104, the curing layer 103, and the reflective layer 102 are arranged sequentially from the outer side of the substrate 101 to its center. Therefore, compared to traditional handheld beauty devices, the grooves 1011, the reflective layer 102, and the anti-fingerprint coating layer 104 work together to create a three-dimensional textured visual effect under illumination, making the housing 10 more aesthetically pleasing. This also prevents fingerprints or oil stains from adhering to the outer surface of the housing 10, thereby reducing the frequency of cleaning the beauty device 100, reducing damage to the housing 10, and ensuring the lifespan of the beauty device 100.

[0033] According to some embodiments of the present invention, such as Figure 3 As shown, the thickness of the reflective layer 102 is less than the depth of the groove 1011. That is, when electroplating the substrate 101, it is necessary to ensure that the reflective layer 102 does not completely fill the groove 1011, so that the surface of the substrate 101 with the reflective layer 102 still has the groove 1011, so that the shell 10 can present a three-dimensional texture visual effect when illuminated.

[0034] The groove 1011 has a depth of D1, and the reflective layer 102 has a thickness of D2. D1 and D2 satisfy the following conditions: 10μm≤D1≤20μm and 1μm≤D2≤2μm, respectively. When D1<10μm, the groove 1011 is shallow. To ensure that the grooves 1011 on the surface of the substrate 101 have different depths, the processing depth of the grooves 1011 must be between 0μm and 10μm, and the maximum depth of the grooves 1011 is less than 10μm, which is not conducive to processing and results in a poor visual effect of three-dimensional texture. When D1>20μm, the groove 1011 is deep. Since the beauty care device 100 is designed to be lightweight, the shell 10 is designed to be thin, which results in poor structural strength of the shell 10 and makes it easy to be damaged. Therefore, by setting the depth of the groove 1011 between 10μm and 20μm, the shell 10 can achieve a visual effect of three-dimensional texture, is easy to process, and the structural strength of the shell 10 can be guaranteed.

[0035] When D2 < 1 μm, the thickness of the reflective layer 102 is too small, which is not conducive to processing and results in poor reflection. When D2 > 2 μm, the thickness of the reflective layer 102 is too large, which increases the cost of the housing 10. Therefore, by setting the thickness of the reflective layer 102 between 1 μm and 2 μm, both the reflection effect of the reflective layer 102 can be guaranteed, and it is also easy to process and has a low cost.

[0036] Optionally, the thickness of the reflective layer 102 can be 1.5 μm. However, it is not limited to this.

[0037] Furthermore, multiple grooves 1011 are arranged along the height direction of the substrate 101 in the orthographic projection plane of the substrate 101 in the thickness direction, and each groove 1011 extends obliquely along the width direction of the substrate 101 in the orthographic projection plane of the substrate 101 in the thickness direction. Figure 3 and Figure 4 As shown, in the orthographic projection plane along the thickness direction of the substrate 101, multiple grooves 1011 are arranged from the lower right corner to the upper left corner of the substrate 101, with one end of each groove 1011 facing the lower left corner of the substrate 101 and the other end of each groove 1011 extending obliquely towards the upper right corner of the substrate 101. This arrangement maximizes the coverage area of ​​the grooves 101 on the substrate 101, ensuring that the processed shell 10 exhibits a high degree of three-dimensional texture and improving the aesthetics of the shell 10.

[0038] According to some embodiments of the present invention, with reference to Figure 3The housing 10 of the beauty care device 100 also includes a color-changing layer 105, which is disposed between the reflective layer 102 and the curing layer 103. The thickness of the color-changing layer 105 is less than the depth of the groove 1011. In other words, by spraying a semi-transparent colored oil on the outside of the reflective layer 102 and curing it, a color-changing layer 105 is formed on the outside of the reflective layer 102. The sum of the thicknesses of the color-changing layer 105 and the reflective layer 102 is less than the depth of the groove 1011. While ensuring that the reflective layer 102 and the substrate 101 are not damaged, the housing 10 can be designed to be any color, and the housing 10 can always present a three-dimensional textured visual effect.

[0039] Furthermore, the thickness of the color-changing layer 105 is D3, where D3 satisfies: 10μm ≤ D3 ≤ 15μm. When D3 < 10μm, the thickness of the color-changing layer 105 is too small, failing to effectively cover all reflective layers 102; when D3 > 15μm, the thickness of the color-changing layer 105 is too large. Since the beauty device 100 is designed for lightweight construction, the shell 10 is relatively thin. A larger thickness of the color-changing layer 105 results in a smaller thickness of the anti-fingerprint coating layer 104, increasing the cost of the shell 10 and affecting its anti-fingerprint and anti-oil stain effects. Therefore, by setting the thickness of the color-changing layer 105 between 10μm and 15μm, it is possible to ensure that the color-changing layer 105 covers all positions of the reflective layer 102 while maintaining the thickness of the anti-fingerprint coating layer 104, thus giving the shell 10 good anti-fingerprint and anti-oil stain effects.

[0040] According to some embodiments of the present invention, the thickness of the curing layer 103 is D4, and the thickness of the anti-fingerprint coating layer 104 is D5, wherein D4 and D5 respectively satisfy: 15μm≤D4≤25μm, 6nm≤D5≤20nm. When D4<15μm, the thickness of the curing layer 103 is small, which is not conducive to processing and is easily worn, resulting in the exposure of the color-changing layer 105, affecting the aesthetics of the housing 10; when D4>25μm, the thickness of the curing layer 103 is large. Since the beauty care device 100 is designed to be lightweight, the thickness of the housing 10 is relatively thin. The larger the thickness of the curing layer 103, the smaller the thickness of the anti-fingerprint coating layer 104, which not only increases the cost of the housing 10, but also affects the anti-fingerprint and anti-oil stain effects of the housing 10. Therefore, by setting the thickness of the curing layer 103 between 15μm and 25μm, both the aesthetics of the housing 10 and the thickness of the anti-fingerprint coating layer 104 can be guaranteed, giving the housing 10 good anti-fingerprint and anti-oil stain effects.

[0041] When D5 < 6nm, the thickness of the anti-fingerprint coating layer 104 is too small, which is not conducive to processing and is easily worn, affecting the anti-fingerprint and anti-oil stain effect of the housing 10. When D5 > 20nm, the thickness of the anti-fingerprint coating layer 104 is too large, which increases the cost of the housing 10. Therefore, by setting the thickness of the anti-fingerprint coating layer 104 between 6nm and 20nm, both the anti-fingerprint and anti-oil stain effect of the housing 10 can be guaranteed, while the cost can be reduced.

[0042] According to some embodiments of the present invention, a plurality of protrusions are formed on the anti-fingerprint coating layer 104, and the protrusions are arranged in an array. The anti-fingerprint coating layer 104 is typically made of a conductive polymer material, and the surface of the anti-fingerprint coating layer 104 is subjected to nano-photolithography treatment to form the plurality of protrusions on the anti-fingerprint coating layer 104. This arrangement reduces the contact area between the anti-fingerprint coating layer 104 and the user's hand, further reducing the completeness of fingerprints adhering to the anti-fingerprint coating layer 104. Through the cooperation of the anti-fingerprint coating layer 104 and the reflective layer 102, the visual effect of fingerprints or organic matter on the anti-fingerprint coating layer 104 is made smaller, ensuring the aesthetics of the housing 10.

[0043] Furthermore, the cross-sectional area of ​​each protrusion gradually decreases in the direction away from the substrate 101. That is, the cross-sectional area of ​​the end of the protrusion away from the substrate 101 is smaller, and the cross-sectional area of ​​the end of the protrusion adjacent to the substrate 101 is larger. As a result, the contact area between the anti-fingerprint coating layer 104 and the user's hand can be further reduced.

[0044] In some alternative embodiments, the protrusion is shaped like a frustum, a cone, or a pyramid.

[0045] According to some embodiments of the present invention, the height of each protrusion is H, where H satisfies: 10μm≤H≤20μm. When H<10μm, the height of the protrusion is small, and the contact area between the user holding the housing 10 and the anti-fingerprint coating layer 104 is large, affecting the anti-fingerprint and anti-oil stain effect of the housing 10. When H>20μm, the height of the protrusion is large. Since the thickness of the anti-fingerprint coating layer 104 is limited, the larger the height of the protrusion, the smaller the thickness of the anti-fingerprint coating layer 104 outside the protrusion, making it easier for wear to expose the cured layer 103, affecting the aesthetics of the housing 10. Therefore, by setting the height of the protrusion between 10μm≤H≤20μm, both the anti-fingerprint and anti-oil stain effect of the housing 10 and the aesthetics of the housing 10 can be guaranteed.

[0046] According to some specific embodiments of the present invention, such as Figure 1As shown, the housing 10 for the beauty care device 100 includes a handle housing 106 and a care head housing 107, with the care head housing 107 located on one side of the handle housing 106 in the height direction. The care head housing 107 is detachably connected to the handle housing 106. This configuration allows for direct replacement of the damaged component if either the care head housing 107 or the handle housing 106 is damaged, eliminating the need to replace undamaged components and reducing maintenance costs. Furthermore, the detachable design of the care head housing 107 and the handle housing 106 facilitates thorough cleaning of the housing 10, maintaining its cleanliness.

[0047] Alternatively, the head housing 107 and the handle housing 106 can be integrally molded. This configuration allows the housing 10 to be machined as a single unit, reducing assembly steps and thus improving the assembly efficiency of the housing 10.

[0048] Among them, Figure 1 As shown, the density of the groove 1011 in the nursing head housing 107 is less than the density of the groove 1011 in the handle housing 106; and / or The depth of the groove 1011 in the nursing head housing 107 is greater than the depth of the groove 1011 in the handle housing 106.

[0049] Since users' hands usually hold the handle housing 106 for a long time when using the beauty care device 100, by setting the density of the handle housing 106 to be greater and / or setting the depth of the groove 1011 of the handle housing 106 to be greater, the contact area between the handle housing 106 and the user's hand can be reduced, preventing fingerprints or oil stains from adhering to the handle housing 106.

[0050] Since the nursing head housing 107 has less contact time with the user's hands, by setting the density of the nursing head housing 107 to be lower and / or setting the depth of the groove 1011 of the nursing head housing 107 to be lower, the nursing head housing 107 can present a three-dimensional texture visual effect while facilitating processing and improving production efficiency.

[0051] like Figure 5 As shown, the method for preparing the housing 10 of the beauty care device 100 according to the second aspect embodiment of the present invention includes the following steps: S1. Perform injection molding to form the matrix 101; S2. Vacuum electroplating is performed on the substrate 101 to form a reflective layer 102 on the outer surface of the substrate 101; S3. Spray coating on the outer surface of the substrate 101 on which the reflective layer 102 is formed, so as to form a cured layer 103 on the outside of the reflective layer 102. S4. Electroplating is performed on the substrate 101 on which the curing layer 103 is formed to form an anti-fingerprint coating layer 104 on the outside of the curing layer 103, thereby obtaining the housing 10, which is the housing 10 for the beauty care device 100 of the first aspect embodiment of the present invention described above.

[0052] According to the method for preparing the housing 10 of the beauty care device 100 according to the embodiment of the present invention, through the above steps S1 to S5, the substrate 101 of the processed housing 10 can have grooves 1011 of different depths, and the housing 10 can present a three-dimensional texture visual effect while having good anti-fingerprint and anti-oil stain effects.

[0053] Furthermore, such as Figure 6 As shown, after step S2 and before step S3, the following steps are also included: S5. Spray a semi-transparent colored oil onto the outer surface of the substrate 101 on which the reflective layer 102 is formed, so that the reflective layer 102 and the cured layer 103 form a color-changing layer 105. Through the above steps, while ensuring that the reflective layer 102 and the substrate 101 are not damaged, the shell 10 can be designed to be any color.

[0054] According to some embodiments of the present invention, such as Figure 7 As shown, after step S4, the following steps are also included: S6. The anti-fingerprint coating layer 104 is subjected to photolithography to form multiple protrusions on the anti-fingerprint coating layer 104. Through the above steps, pyramid-shaped protrusions can be processed on the surface of the housing 10, that is, the cross-sectional area of ​​the protrusions gradually decreases in the direction away from the substrate 101, and the protrusions are arranged in an array on the surface of the housing 10. As a result, the contact area between the anti-fingerprint coating layer 104 and the user's hand can be reduced, further reducing the integrity of fingerprints adhering to the anti-fingerprint coating layer 104.

[0055] like Figure 1 As shown, the beauty care device 100 according to a third aspect embodiment of the present invention includes the housing 10 of the beauty care device 100 described in the first aspect embodiment of the present invention.

[0056] According to the embodiments of the present invention, the beauty care device 100, by adopting the above-mentioned housing 10, enables the beauty care device 100 to present a three-dimensional textured visual effect when exposed to light, and has good anti-fingerprint and anti-oil stain effects, thus ensuring the aesthetics of the beauty care device 100.

[0057] Other configurations and operations of the beauty care device 100 according to embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0058] In the description of this invention, it should be understood that the terms "center," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention 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. Therefore, they should not be construed as limitations on this invention.

[0059] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" 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 between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0060] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0061] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A housing for beauty care equipment, characterized in that: include: A substrate, wherein a plurality of grooves are formed on an outer surface of the substrate, and at least two of the plurality of grooves have different depths; A reflective layer, the reflective layer wrapping the outer surface of the substrate, and part of the reflective layer is located in the plurality of grooves; A solidified layer, the solidified layer wrapping around the outer surface of the reflective layer; An anti-fingerprint coating layer is wrapped around the outer surface of the solidified layer.

2. The housing for beauty care equipment according to claim 1, characterized in that: The thickness of the reflective layer is smaller than the depth of the groove; The depth of the groove is D1, the thickness of the reflective layer is D2, and D1 and D2 respectively satisfy: 10 μm≤D1≤20 μm, 1 μm≤D2≤2 μm.

3. The housing for beauty care equipment according to claim 2, characterized in that: A plurality of the grooves are arranged along the height direction of the substrate in an orthographic projection plane in the thickness direction of the substrate; Each of the grooves extends obliquely along the width direction of the substrate in an orthographic projection plane of the thickness direction of the substrate.

4. The housing for beauty care equipment according to claim 1, characterized in that: Also includes: A color-changing layer is provided between the reflective layer and the solidified layer, and a thickness of the color-changing layer is less than a depth of the groove.

5. The housing for beauty care equipment according to claim 4, characterized in that: The thickness of the color changing layer is D3, wherein D3 satisfies: 10 μm≤D3≤15 μm.

6. The housing for beauty care equipment according to claim 1, characterized in that: The thickness of the solidified layer is D4, and the thickness of the anti-fingerprint coating layer is D5, wherein D4 and D5 respectively satisfy: 15 μm≤D4≤25 μm, 6 nm≤D5≤20 nm.

7. The housing for beauty care equipment according to any one of claims 1 to 6, characterized in that: A plurality of protrusions are formed on the anti-fingerprint coating layer, and the plurality of protrusions are arranged in an array.

8. The housing for beauty care equipment according to claim 7, characterized in that: The cross-sectional area of ​​each protrusion gradually decreases in a direction away from the base body.

9. The housing for beauty care equipment according to claim 8, characterized in that: The shape of the protrusion is a truncated cone, a cone or a pyramid.

10. The housing for beauty care equipment according to claim 7, characterized in that: The height of each protrusion is H, wherein H satisfies: 10 μm≤H≤20 μm.

11. The housing for beauty care equipment according to claim 1, characterized in that: include: Handle housing; A care head shell, the care head shell is arranged on one side of the handle shell in the height direction, the care head shell is detachably connected to the handle shell, or the care head shell is integrally formed with the handle shell; Wherein, the density of the grooves of the care head housing is smaller than the density of the grooves of the handle housing; and / or The depth of the groove of the care head housing is greater than the depth of the groove of the handle housing.

12. A method for preparing a housing of a beauty care device, characterized in that: The following steps are involved: S1, performing injection molding to form a matrix; S2, performing vacuum electroplating on the substrate to form a reflective layer on the outer surface of the substrate; S3, spraying the outer surface of the substrate on which the reflective layer is formed, so as to form a solidified layer on the outer side of the reflective layer; S4. Electroplating the substrate on which the solidified layer is formed to form an anti-fingerprint coating layer on the outside of the solidified layer, thereby obtaining a shell, wherein the shell is the shell for a beauty care device according to any one of claims 1 to 11.

13. The method for preparing the housing of the beauty care device according to claim 12, characterized in that: After step S2 and before step S3, the method further includes: S5. Spraying translucent color oil on the outer surface of the substrate formed with the reflective layer to form a color-changing layer between the reflective layer and the solidified layer.

14. The method for preparing the housing of the beauty care device according to claim 12, characterized in that: After step S4, the following steps are also included: S6. Performing photolithography on the anti-fingerprint coating layer to form a plurality of protrusions on the anti-fingerprint coating layer.

15. A beauty care device, characterized in that: A shell for a beauty care device comprising any one of claims 1-11.

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