Beauty device

Abstract

This application provides a beauty device that is compact in size, easy for users to grip, and improves the user experience. The beauty device includes a main unit and a cover. The main unit includes a mating surface. Along the length of the beauty device, the cover is detachably fitted onto the mating surface and forms the outer contour of the beauty device with the main unit. The outer contour of the beauty device is pebble-shaped. The mating surface is a cross-section of the outer contour of the beauty device, and the long axis of the outer contour passes through the mating surface.

Description

Technical Field

[0001] This application relates to the field of beauty instruments, and more particularly to a beauty instrument. Background Technology

[0002] As society continues to develop and people's economic level continues to improve, more and more people are using beauty devices to pursue health and beauty. However, existing beauty devices are usually designed with a disc-shaped main unit and a long oval handle, resulting in a bulky overall size. Users need to hold the handle with their entire hand when using the product, which reduces the user experience. Summary of the Invention

[0003] This application provides a beauty device that is small in size, easy for users to grip, and improves the user experience.

[0004] The beauty device described in this application includes a main unit and a cover. The main unit includes a mating surface. Along the length direction of the beauty device, the cover is detachably fitted onto the mating surface and forms the outer contour of the beauty device with the main unit. The outer contour of the beauty device is pebble-shaped.

[0005] The mating surface is a cross-section of the outer contour of the beauty device, and the major axis of the outer contour of the beauty device passes through the mating surface.

[0006] The beauty device shown in this application has a pebble-shaped outer contour and a compact size. Users can operate the device by holding the main unit with three fingers. Even after prolonged use, users will not experience soreness or weakness in their arms, thus improving the user experience.

[0007] The angle between the normal of the mating surface and the major axis of the outer contour is between 30 and 40 degrees.

[0008] The angle between the normal of the mating surface and the major axis of the outer contour is 35 degrees.

[0009] The main unit has a first end facing away from the cover, the cover has a second end facing away from the main unit, the mating surface has a first position close to the first end, the length between the first end and the second end along the length direction of the beauty device is a first length, the length between the first position and the first end is a second length, and the ratio between the second length and the first length is between 0.5 and 0.6.

[0010] The ratio between the second length and the first length is 0.55.

[0011] The host includes a housing, which includes a first housing, a second housing, and a middle frame. The middle frame is fixedly connected between the first housing and the second housing. The mating surfaces include the top surface of the first housing, the top surface of the second housing, and the top surface of the middle frame.

[0012] The middle frame includes a first middle frame, a second middle frame, and a third middle frame. The third middle frame is fixedly connected between the first middle frame and the second middle frame. The mating surface includes the top surface of the first middle frame and the top surface of the second middle frame.

[0013] The main unit also includes an inner shell, which is installed inside the outer shell. The inner shell includes a first inner shell and a second inner shell. Along the length of the beauty device, the first inner shell is fixedly connected to the second inner shell, and the mating surface also includes the top surface of the first inner shell.

[0014] The host also includes an electrode head, which is mounted on the mating surface and protrudes relative to the mating surface.

[0015] The electrode head includes a contact surface that is opposite to the mating surface and is parallel to the mating surface.

[0016] The electrode head includes an electrode cover and a first magnet. The first magnet is installed inside the electrode cover. The cover body includes an outer cover and a second magnet. The second magnet is installed inside the outer cover. The first magnet and the second magnet can be magnetically attracted to each other.

[0017] The beauty device shown in this application has a pebble-shaped outer contour and a compact size. Users can operate the device by holding the main unit with three fingers. Even after prolonged use, users will not experience soreness or weakness in their arms, thus improving the user experience. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the background art, the accompanying drawings used in the embodiments of this application or the background art will be described below.

[0019] Figure 1 This is a schematic diagram of the structure of a beauty device provided in an embodiment of this application;

[0020] Figure 2 yes Figure 1 A schematic diagram of the planar structure of the beauty device shown;

[0021] Figure 3 yes Figure 1 The diagram shows the exploded structure of the beauty device.

[0022] Figure 4yes Figure 3 A schematic diagram showing the exploded structure of the main unit in the beauty device shown.

[0023] Figure 5 yes Figure 4 The diagram shows the structure of the core components in the host computer.

[0024] Figure 6 yes Figure 4 The diagram shows the structure of the inner casing of the host computer.

[0025] Figure 7 yes Figure 3 A partial structural diagram of the main unit in the beauty device shown;

[0026] Figure 8 yes Figure 3 A cross-sectional structural diagram of the main unit of the beauty device shown.

[0027] Figure 9 yes Figure 4 The diagram shows the structural layout of the outer casing of the host computer.

[0028] Figure 10 yes Figure 4 The diagram shows the structure of the electrode head in the host unit;

[0029] Figure 11 yes Figure 3 A schematic diagram of the exploded structure of the cover of the beauty device shown;

[0030] Figure 12 yes Figure 1 The diagram shows a cross-sectional view of the beauty device. Detailed Implementation

[0031] The embodiments of this application are described below with reference to the accompanying drawings.

[0032] This application provides a beauty device that can be applied to human skin to achieve skin care. The beauty device can be a radio frequency (RF) beauty device, which outputs radio frequency energy to the skin to reshape collagen, thereby achieving purposes such as skin tightening or wrinkle removal.

[0033] Please see Figures 1 to 3 , Figure 1 This is a structural schematic diagram of a beauty device 1000 provided in an embodiment of this application. Figure 2 yes Figure 1 The diagram shows the planar structure of the beauty device 1000. Figure 3 yes Figure 1 The diagram shows an exploded view of the beauty device 1000.

[0034] For ease of explanation, the length direction of the beauty device 1000 is defined as the Z-axis direction, the width direction of the beauty device 1000 is defined as the X-axis direction, and the thickness direction of the beauty device 1000 is defined as the Y-axis direction. The Z-axis direction, X-axis direction, and Y-axis direction are all perpendicular to each other.

[0035] The beauty device 1000 includes a main unit 100 and a cover 200. The main unit 100 includes a mating surface 101. Along the length of the beauty device 1000, the cover 200 is detachably fitted onto the mating surface 101 and, together with the main unit 100, forms the outer contour of the beauty device 1000. The outer contour of the beauty device 1000 is pebble-shaped. That is, the pebble-shaped outer contour of the beauty device 1000 not only ensures that the beauty device 1000 is compact and easy for users to hold, but also ensures the roundness of the overall structure of the beauty device 1000 and improves the appearance precision of the beauty device 1000.

[0036] When using the beauty device 1000, the user can remove the cover 200 from the mating surface 101, hold the main unit 100, and place the contact surface 102 of the main unit 100 against the skin (such as facial skin) for skin care. Because the beauty device 1000 has a pebble-shaped outer contour and a compact size, the user can easily grip the main unit 100 with three fingers, improving the user experience. After use, the user can replace the cover 200 on the mating surface 101 to restore the pebble-shaped overall design, ensuring the product's integrity and roundness.

[0037] like Figure 2 As shown, the plane of the beauty device 1000 (the XZ plane in the diagram) is elliptical. The outer contour of the beauty device 1000 has a major axis L and a minor axis W. The major axis L is parallel to the Z-axis direction, and the minor axis W is parallel to the X-axis direction. The major axis L includes a first end L1 and a second end L2 arranged opposite to each other. The first end L1 is the bottom end of the beauty device 1000, and the second end L2 is the top end of the beauty device 1000. Along the length direction of the beauty device 1000 (the Z-axis direction in the diagram), the length between the first end L1 and the second end L2 is a first length l0. Specifically, the first end L1 is the end of the main unit 100 that faces away from the cover 200, i.e., the first end L1 is the bottom end of the main unit 100. The second end L2 is the end of the cover 200 that faces away from the main unit 100, i.e., the second end L2 is the top end of the cover 200. The short axis W includes a third end W1 and a fourth end W2 that are positioned opposite each other. The third end W1 is the left end of the beauty device 1000, and the fourth end W2 is the right end of the beauty device 1000. Specifically, the third end W1 is the left end of the main unit 100, and the fourth end W2 is the right end of the main unit 100.

[0038] It should be noted that the directional terms such as "top," "bottom," "left," "right," "front," and "back" used in the description of the beauty device 1000 in this application are mainly based on the beauty device 1000 in the attached document. Figure 2 The display orientation is described with the positive Z-axis direction as "top", the negative Z-axis direction as "bottom", the positive X-axis direction as "right", the negative X-axis direction as "left", the positive Y-axis direction as "front", and the negative Y-axis direction as "back". This does not constitute a limitation on the orientation of the beauty device 1000 in actual application scenarios.

[0039] In this embodiment, the mating surface 101 is a cross-section of the outer contour of the beauty device 1000. The major axis L passes through the mating surface 101. Specifically, the mating surface 101 is an inclined plane. The mating surface 101 includes a first position S1 and a second position S2. The first position S1 is the position of the mating surface 101 near the first end L1, and the second position S2 is the position of the mating surface 101 near the second end L2. The first position S1 is the lowest position of the mating surface 101, and the second position S2 is the highest position of the mating surface 101. The line connecting the first position S1 and the second position S2 is perpendicular to the normal O of the mating surface 101.

[0040] The angle α between the normal O of the mating surface 101 and the major axis L of the beauty device 1000 is between 30 and 40 degrees. That is, the angle α between the line connecting the first position S1 and the second position S2 and the minor axis W of the beauty device 1000 is between 30 and 40 degrees. For example, the angle α is 35°. Along the length direction of the beauty device 1000, the length between the first position S1 and the first end L1 is the second length l1. The ratio between the second length l1 and the first length l0 is between 0.5 and 0.6. For example, the ratio between the second length l1 and the first length l0 is 0.55.

[0041] Please see Figure 4 , Figure 4 yes Figure 3 An exploded view of the main unit 100 in the beauty device 1000 shown.

[0042] The host 100 includes a core component 10, an inner shell 20, an outer shell 30, and an electrode head 40. The core component 10 is mounted inside the inner shell 20, the inner shell 20 is mounted inside the outer shell 30, and the electrode head 40 is mounted on the top surface of the inner shell 20 and electrically connected to the core component 10. The top surfaces of the inner shell 20 and the outer shell 30 form a mating surface 101. That is, the mating surface 101 includes the top surfaces of the inner shell 20 and the outer shell 30.

[0043] Please see Figure 4 and Figure 5 , Figure 5 yes Figure 4 The diagram shows the structure of the core component 10 in the host 100.

[0044] The core component 10 includes a bracket 11, a battery (not shown), a first circuit board 12, a second circuit board 13, a third circuit board 14, a fourth circuit board 15, a button 16, an indicator light 17, a connector 18, and electrode posts 19. The battery, the first circuit board 12, the second circuit board 13, the third circuit board 14, and the fourth circuit board 15 are all mounted on the bracket 11. The button 16 and the indicator light 17 are mounted on the third circuit board 14, and the connector 18 and the electrode posts 19 are both mounted on the fourth circuit board 15.

[0045] The bracket 11 is provided with a positioning hole 111 and a mounting groove (not shown). The opening of the positioning hole 111 is located on the top surface of the bracket 11, and the positioning hole 111 extends from the top surface of the bracket 11 towards the bottom surface. For example, there are two positioning holes 111. It should be understood that the shape of the positioning hole 111 is not limited to... Figure 5 The circle shown can also be square or irregular in shape. The opening of the mounting groove is located on the front side of the bracket 11, and the mounting groove extends from the front side of the bracket 11 to the rear side.

[0046] The battery can be installed in the mounting slot. The battery can reuse the Y-axis dimension with the bracket 11, which reduces the Y-axis dimension of the core component 10, thus reducing the volume of the core component 10 and consequently the volume of the beauty device 1000. A first circuit board 12 is mounted on the front side of the bracket 11 and covers the battery. A second circuit board 13 is mounted on the rear side of the bracket 11 and is electrically connected to the first circuit board 12. A third circuit board 14 is mounted on the right side of the bracket 11 and is electrically connected to the second circuit board 13. A fourth circuit board 15 is mounted on the bottom side of the bracket 11 and is electrically connected to the second circuit board. For example, the second circuit board 13 can be electrically connected to the first circuit board 12 via a flexible circuit board (not shown), the third circuit board 14 can be electrically connected to the second circuit board 13 via a flexible circuit board (not shown), and the fourth circuit board 15 can be electrically connected to the second circuit board via a flexible circuit board (not shown).

[0047] Both button 16 and indicator light 17 are mounted on the surface of the third circuit board 14 away from the bracket 11. For example, there are two buttons 16 and two indicator lights 17, with the two buttons 16 located between the two indicator lights 17 and spaced apart from each of the two indicator lights 17. One button 16 can be a gear selector, and the other button 16 can be a light button; one indicator light 17 can be a function indicator light, and the other indicator light 17 can be a button indicator light.

[0048] Both the connector 18 and the electrode posts 19 are mounted on the surface of the fourth circuit board 15 facing away from the support. The connector 18 can be a Type B or Type C connector. There are two electrode posts 19, located on opposite sides of the connector 18; one electrode post 19 serves as the positive terminal, and the other as the negative terminal. The beauty device 1000 can be charged via the connector 18 or by contact charging via the two electrode posts 19 when placed on the charging base, thus increasing the versatility of the charging methods. It should be noted that the core component 10 may also include a processor and other related electronic components.

[0049] Please refer to the following: Figures 6 to 8 , Figure 6 yes Figure 4 The diagram shows the structure of the inner casing 20 in the host 100. Figure 7 yes Figure 3 A partial structural diagram of the main unit 100 in the beauty device 1000 is shown. Figure 8 yes Figure 3 A cross-sectional structural diagram of the main unit 100 in the beauty device 1000 is shown. Among them, Figure 7 The main unit 100 shown does not have a casing 30. Figure 8 The host 100 shown only shows a portion of the casing 30.

[0050] The inner shell 20 includes a first inner shell 21 and a second inner shell 22. Along the Z-axis, the first inner shell 21 is fixedly connected to the second inner shell 22. The top surface of the inner shell 20 is the top surface of the first inner shell 21. The first inner shell 21 is provided with a clearance hole 211, a first mounting hole 212, and a first through hole 213. The opening of the clearance hole 211 is located on the top surface of the first inner shell 21. The clearance hole 211 penetrates the first inner shell along its thickness direction to connect the inner and outer sides of the first inner shell 21. The first mounting hole 212 and the first through hole 213 are both located on the right side of the first inner shell 21 and penetrate the first inner shell 21 along its thickness direction. The first mounting hole 212 and the first through hole 213 both connect the inner and outer sides of the first inner shell 21 and are spaced apart from each other. There are two first mounting holes 212, spaced apart from each other, and the first through hole 213 is located on the top side of the two first mounting holes 212.

[0051] The first inner shell 21 is also provided with a first latching part 214, a second latching part 215, and a third latching part 216. In this embodiment, the first latching part 214, the second latching part 215, and the third latching part 216 are all latching grooves. The opening of the first latching part 214 is located on the top surface of the first inner shell 21. There are multiple first latching parts 214, which are arranged around the edge of the top surface of the first inner shell 21.

[0052] The openings of both the second latching portion 215 and the third latching portion 216 are located on the outer surface of the first inner shell 21. There are multiple second latching portions 215, some located on the left side of the first inner shell 21, and some located on the right side. There are multiple third latching portions 216, some located on the front side of the first inner shell 21 and surrounding its edge, and some located on the rear side of the first inner shell and surrounding its edge.

[0053] In addition, the first inner shell 21 is also provided with positioning posts 217, which are located on the inner surface of the inner shell 20. The positioning posts 217 extend from the inner surface of the inner shell 20 along the negative Z-axis. The structure of the positioning posts 217 is adapted to the structure of the positioning holes 111. For example, there are two positioning posts 217. When the first inner shell 21 is assembled with the core component 10, the first inner shell 21 can be fitted onto the core component 10 along the negative Z-axis. The two positioning posts 217 extend into the two positioning holes 111 respectively to achieve positioning. Then, fasteners such as screws or bolts are used to ensure the assembly between the first inner shell 21 and the core component 10. The cooperation between the positioning posts 217 and the positioning holes 111 can ensure the assembly accuracy of the first inner shell 21 and the core component 10.

[0054] The keycaps of the two buttons 16 pass through the two first mounting holes 212 and are exposed relative to the outer surface of the first inner shell 21. An indicator light 17 corresponds to a first through hole 213, and the light emitted by the indicator light 17 can be transmitted to the outside of the first inner shell 21 through the first through hole 213. In addition, the host 100 also includes two first waterproof rings 51, each of which is fitted onto one button 16 and clamped between the button 16 and the first inner shell 21 to achieve a seal between the button 16 and the first inner shell 21.

[0055] The second inner shell 22 is provided with a fourth latching portion 221 and a fifth latching portion 222. In this embodiment, both the fourth latching portion 221 and the fifth latching portion 222 are latching grooves. The openings of both the fourth latching portion 221 and the fifth latching portion 222 are located on the outer surface of the second inner shell 22. There are multiple fourth latching portions 221, some of which are located on the left side of the second inner shell 22, and some of which are located on the right side of the second inner shell 22. There are multiple fifth latching portions 222, some of which are located on the front side of the second inner shell 22, and some of which are located on the rear side of the second inner shell 22.

[0056] In addition, the second inner shell 22 is provided with a second mounting hole 223, a second through hole 224, and a third through hole 225. Both the second mounting hole 223 and the second through hole 224 are located on the bottom side of the second inner shell 22. Both the second mounting hole 223 and the second through hole 224 penetrate the second inner shell 22 along its thickness direction to connect the inner and outer sides of the second inner shell 22. There are two second through holes 224, located on opposite sides of the second mounting hole 223. The third through hole 225 is located on the right side of the second inner shell 22. The third through hole 225 penetrates the second inner shell 22 along its thickness direction to connect the inner and outer sides of the second inner shell 22.

[0057] The second inner shell 22 can be fitted onto the core component 10 along the positive Z-axis and can be fixedly connected to the first inner shell 21 by screws or other fasteners. The insertion interface 18 passes through the second mounting hole 223 and is exposed relative to the outer surface of the second inner shell 22. Two electrode posts 19 pass through two second through holes 224 respectively and are exposed relative to the outer surface of the second inner shell 22. Another indicator light 17 corresponds to a third through hole 225, and the light emitted by this indicator light 17 can be transmitted to the outside of the second inner shell 22 through the third through hole 225.

[0058] In this embodiment, the host 100 further includes a second waterproof ring 52, a third waterproof ring 53, and a fourth waterproof ring 54. The second waterproof ring 52 is fitted onto the outer surface of the first inner shell 21 and sandwiched between the first inner shell 21 and the second inner shell 22 to achieve a seal between the first inner shell 21 and the second inner shell 22. The third waterproof ring 53 is fitted onto the outer surface of the insertion interface 18 and remains between the insertion interface 18 and the second inner shell 22 to achieve a seal between the insertion interface 18 and the second inner shell 22. There are two fourth waterproof rings 54; each fourth waterproof ring 54 is fitted onto the outer surface of an electrode post 19 and sandwiched between the electrode post 19 and the second inner shell 22 to achieve a seal between the electrode post 19 and the second inner shell 22.

[0059] In addition, the main unit 100 also includes a light diffuser 60 and a magnet 70. There are two light diffusers 60. One light diffuser 60 is mounted on the outer surface of the first inner shell 21 and covers the first through hole 213. The other light diffuser 60 is mounted on the outer surface of the second inner shell 22 and covers the third through hole 225. The light diffuser 60 is made of transparent material and a light-diffusing agent. The light diffuser 60 can evenly diffuse the light emitted by the indicator light 17 to the outside of the inner shell 20, ensuring that the light emitted by the indicator light 17 is uniform, gentle, and not dazzling, thus improving the user experience.

[0060] There are two magnets 70, both mounted on the outer surface of the second inner shell 22. Each magnet 70 is located on the side of an electrode post 19 away from the insertion interface 18 and is spaced apart from the electrode post 19. When the beauty device 1000 is placed on the charging base, the two magnets 70 can attract each other with the magnets on the charging base, which not only ensures the stability of the beauty device 1000 on the charging base, but also allows the two electrode posts 19 to automatically align and contact with the electrode posts of the charging base.

[0061] Please refer to the following: Figure 9 , Figure 9 yes Figure 4 The schematic diagram shows the structure of the outer casing 30 in the host 100.

[0062] The outer casing 30 includes a first outer casing 31, a second outer casing 32, and a middle frame 33. The first outer casing 31 and the second outer casing 32 are respectively fixedly connected to opposite sides of the middle frame 33. Specifically, the first outer casing 31 is fixedly connected to the front side of the middle frame 33, and the second outer casing 32 is fixedly connected to the rear side of the middle frame 33. In this embodiment, both the first outer casing 31 and the second outer casing 32 are semi-elliptical and protrude in a direction away from the middle frame 33. The top surface of the outer casing 30 includes the top surface of the first outer casing 31, the top surface of the second outer casing 32, and the top surface of the middle frame 33. For example, the first outer casing 31 and the middle frame 33, as well as the second outer casing 32 and the middle frame 33, can be fixedly connected by a snap-fit ​​mechanism.

[0063] The middle frame 33 is in the form of a strip plate. Along its extending direction, the middle frame 33 includes a first middle frame 34, a second middle frame 35, and a third middle frame 36, with the third middle frame 36 fixedly connected between the first middle frame 34 and the second middle frame 35. Specifically, the first middle frame 34 is fixedly connected to the left side of the third middle frame 36, and the second middle frame 35 is fixedly connected to the right side of the third middle frame 36. The top surface of the middle frame 33 includes the top surface of the first middle frame 34 and the top surface of the second middle frame 35. For example, the first middle frame 34 and the third middle frame 36, as well as the second middle frame 35 and the third middle frame 36, can be fixedly connected by a snap-fit ​​mechanism.

[0064] The first middle frame 34 is provided with a plurality of first retaining portions 341, which are disposed on the inner surface of the first middle frame 34. The first retaining portions 341 may be buckles. Some of the first retaining portions 341 are engaged with the second buckle portion 215 of the first inner shell 21, and some of the first retaining portions 341 are engaged with the fourth buckle portion 221 of the second inner shell 22, thereby achieving a fixed connection between the first middle frame 34 and the first inner shell 21 and the second inner shell 22.

[0065] The second middle frame 35 is also provided with a first mounting hole 351, which penetrates the second middle frame 35 along its thickness direction. There are two first mounting holes 351, arranged along the extension direction of the second middle frame 35 and spaced apart from each other. Furthermore, the second middle frame 35 is provided with multiple second retaining portions 352, which are located on the inner surface of the second middle frame 35. In this embodiment, the second retaining portions 352 can be buckles. Part of the second retaining portions 352 engages with the second buckle portion 215 groove of the first inner shell 21, and part of the second retaining portions 352 engages with the fourth buckle portion 221 of the second inner shell 22, thereby achieving a fixed connection between the second middle frame 35 and the first inner shell 21 and the second inner shell 22. The keycaps of the two buttons 16 also pass through the two first mounting holes 351 and are exposed relative to the outer surface of the second middle frame 35, so that the user can press the buttons 16 when holding and using the beauty device 1000.

[0066] In addition, the second middle frame 35 is made of transparent material. The light emitted by the two indicator lights 17 can pass through the second middle frame 35 and be emitted to the outside of the second middle frame 35, without the need to open a light-transmitting hole in the second middle frame 35, thus ensuring the structural integrity of the second middle frame 35 and thus ensuring the overall appearance of the beauty device 1000. This ensures both the lighting effect and the simplicity of the appearance design of the beauty device 1000.

[0067] The third middle frame 36 is provided with a second mounting hole 361 and a third mounting hole 362, both of which penetrate the third middle frame 36 along its thickness direction. There are two third mounting holes 362, located on opposite sides of the second mounting hole 361 and spaced apart. Furthermore, the third middle frame 36 is also provided with multiple third retaining portions 363, which are located on the inner surface of the third middle frame 36. In this embodiment, the third retaining portions 363 are snap-fits. The multiple third retaining portions 363 are engaged with the fourth snap-fit ​​portion 221 of the second inner shell 22 to achieve a fixed connection between the third middle frame 36 and the second inner shell 22.

[0068] The connector 18 passes through the second mounting hole 361 and is exposed relative to the outer surface of the third middle frame 36. The two electrode posts 19 also pass through the two third mounting holes 362 and are exposed relative to the outer surface of the third middle frame 36, allowing the user to charge the beauty device 1000 via the connector 18 or the two electrode posts 19. At this time, the third middle frame 36 can cover the two magnets 70 installed in the second inner shell 22, ensuring the beauty device 1000 has a clean and simple appearance.

[0069] Understandably, the first middle frame 34, the second middle frame 35 and the third middle frame 36 are fixedly connected to the first inner shell 21 and the second inner shell 22 respectively, which improves the assembly convenience between the middle frame 33 and the inner shell 20. Moreover, the segmented middle frame 33 is easy to manufacture, which helps to reduce the manufacturing cost of the middle frame 33.

[0070] The first outer shell 31 is provided with a plurality of fourth retaining portions 311, all of which are located on the edge region of the inner surface of the first outer shell 31. In this embodiment, the fourth retaining portions 311 are snap-fits. Part of the fourth retaining portions 311 engages with the third snap-fit ​​portion 216 of the first inner shell 21, and part of the fourth retaining portions 311 engages with the fifth snap-fit ​​portion 222 of the second inner shell 22, so as to achieve a fixed connection between the first outer shell 31 and the first inner shell 21 and the second inner shell 22.

[0071] The second outer shell 32 is provided with a plurality of fifth retaining portions (not shown in the figure), which are all located on the edge region of the inner surface of the second outer shell 32. In this embodiment, the fifth retaining portions are snap-fits. Part of the fifth retaining portions engages with the third snap-fit ​​portion 216 of the first inner shell 21, and part of the fifth retaining portions engages with the fifth snap-fit ​​portion 222 of the second inner shell 22, so as to achieve a fixed connection between the second outer shell 32 and the first inner shell 21 and the second inner shell 22.

[0072] Please refer to the following: Figure 10 , Figure 10 yes Figure 4 The schematic diagram shows the structure of the electrode head 40 in the host 100.

[0073] In this embodiment, the electrode head 40 includes an electrode cover 41, a circuit board assembly 42, multiple electrocautery needles 43, and a first magnet 44. The electrode cover 41 has multiple mounting holes (not shown in the figure), all of which penetrate the electrode cover 41 and connect the inner and outer sides of the electrode cover 41. The mounting holes are arranged in a dot matrix pattern. Furthermore, the electrode cover 41 has multiple retaining portions 411, all located on the bottom surface of the electrode cover 41 and surrounding the edge of the bottom surface of the electrode cover 41.

[0074] Installed inside the electrode cover 41, the circuit board assembly 42 includes a flexible circuit board 421 extending relative to the electrode cover 41. Multiple electrocautery needles 43 are mounted in multiple mounting holes and are electrically connected to the circuit board assembly 42. The top surfaces of the multiple electrocautery needles 43 are flush with the top surface of the electrode cover 41. The contact surface 102 includes the top surfaces of the multiple electrocautery needles 43 and the top surface of the electrode cover 41. Four first magnets 44 are installed on the inner surface of the electrode cover 41; two first magnets 44 are spaced apart on the front side of the electrode cover 41, and two first magnets 44 are spaced apart on the rear side of the electrode cover 41.

[0075] Multiple retaining parts 411 are engaged with multiple first retaining parts 214 of the first inner shell 21 to achieve assembly between the electrode head 40 and the first inner shell 21. The flexible circuit board 421 of the circuit board assembly 42 passes through the clearance hole 211 and is electrically connected to the second circuit board 13 of the core assembly 10. Furthermore, the main unit 100 includes a waterproof adhesive layer 55 and a fifth waterproof ring 56. The waterproof adhesive layer 55 is located inside the electrode cover 41 and between the electrode cover 41 and the electrocautery needle 43 to ensure a seal between the electrode cover 41 and the electrocautery needle 43. The fifth waterproof ring 56 is clamped between the electrode cover 41 and the first inner shell 21 to ensure a seal between the electrode cover 41 and the first inner shell 21.

[0076] Please see Figure 11 and Figure 12 , Figure 11 yes Figure 3 The diagram shows an exploded view of the cover 200 in the beauty device 1000. Figure 12 yes Figure 1 The diagram shows a cross-sectional structure of the beauty device 1000.

[0077] The cover 200 includes an outer cover 210, an inner cover 220, and a second magnet 230. Both the inner cover 220 and the second magnet 230 are mounted on the inner side of the outer cover 210, and the second magnet 230 is mounted on the outer surface of the inner cover 220. There are four second magnets 230: two are mounted on the front side of the inner cover 220, and two are mounted on the rear side. When the cover 200 is closed onto the mating surface 101, the second magnets 230 and the first magnet 44 attract each other, achieving a detachable fit between the cover 200 and the mating surface 101. This simplifies the structure of the cover 200 closing onto the main unit 100, making it easy to operate and ensuring a reliable seal. When the product is not in use, the cover 200 protects the electrode cover 41 and the electrocautery needle 43, providing physical isolation and preventing contamination caused by accidental contact or external dust.

[0078] In this embodiment, the outer contour of the beauty device 1000 is pebble-shaped, and the beauty device 1000 is more compact. When using the beauty device 1000, the user can use three fingers to grasp the main unit 100 for operation. Even if the user uses it for a long time, they will not feel soreness or weakness in their arms, thus improving the user experience.

[0079] Moreover, since both buttons 16 are exposed relative to the middle frame 33, the areas of the first outer shell 31 and the second outer shell 32 are both larger than the area of ​​the middle frame 33. When using the beauty device 1000, the user can use the first outer shell 31 or the second outer shell as the handheld part, hold the main unit 100 with the palm or thumb and middle finger, and the index finger can directly press the button 16 for control. The structural design of the beauty device 1000 is more in line with ergonomic requirements.

[0080] The above are merely some embodiments and implementation methods of this application. The scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A beauty device, characterized in that, The beauty device includes a main unit and a cover. The main unit includes a mating surface. Along the length of the beauty device, the cover is detachably fitted onto the mating surface and forms the outer contour of the beauty device with the main unit. The outer contour of the beauty device is pebble-shaped. Wherein, the mating surface is a cross-section of the outer contour of the beauty device, and the major axis of the outer contour of the beauty device passes through the mating surface; The host also includes an electrode head and a core component. The electrode head is mounted on the mating surface and protrudes relative to the mating surface. The electrode head is electrically connected to the core component. The angle between the normal of the mating surface and the major axis of the outer contour is between 30 and 40 degrees, and the electrode head includes a contact surface facing away from the mating surface, the contact surface being parallel to the mating surface.

2. The beauty device according to claim 1, characterized in that, The angle between the normal of the mating surface and the major axis of the outer contour is 35 degrees.

3. The beauty device according to claim 1, characterized in that, The main unit has a first end facing away from the cover, the cover has a second end facing away from the main unit, the mating surface has a first position close to the first end, along the length direction of the beauty device, the length between the first end and the second end is a first length l1, the length between the first position and the first end is a second length, and the ratio between the second length and the first length is between 0.5 and 0.

6.

4. The beauty device according to claim 3, characterized in that, The ratio between the second length and the first length is 0.

55.

5. The beauty device according to claim 1, characterized in that, The host includes a housing, which includes a first housing, a second housing, and a middle frame. The middle frame is fixedly connected between the first housing and the second housing. The mating surfaces include the top surface of the first housing, the top surface of the second housing, and the top surface of the middle frame.

6. The beauty device according to claim 5, characterized in that, The middle frame includes a first middle frame, a second middle frame, and a third middle frame. The third middle frame is fixedly connected between the first middle frame and the second middle frame. The mating surface includes the top surface of the first middle frame and the top surface of the second middle frame.

7. The beauty device according to claim 5, characterized in that, The main unit also includes an inner shell, which is installed inside the outer shell. The inner shell includes a first inner shell and a second inner shell. Along the length of the beauty device, the first inner shell is fixedly connected to the second inner shell, and the mating surface also includes the top surface of the first inner shell.

8. The beauty device according to claim 1, characterized in that, The electrode head includes an electrode cover and a first magnet. The first magnet is installed inside the electrode cover. The cover body includes an outer cover and a second magnet. The second magnet is installed inside the outer cover. The first magnet and the second magnet can be magnetically attracted to each other.

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