Shaver

Abstract

A shaver (10), comprising: a shaver body (100) and a shaving head protection cap (200), wherein the shaver body (100) comprises a housing (110) and a shaving head (120), the shaving head (120) being arranged at a first end of the housing (110); the shaving head protection cap (200) is detachably connected to the first end of the housing (110) and is configured to protect the shaving head (120); a protection cap fixing portion (113) is provided at a second end of the housing (110), and the protection cap fixing portion (113) can be detachably connected to the shaving head protection cap (200). During operation of the shaver (10), the shaving head protection cap (200) can be conveniently stored, preventing the shaving head protection cap (200) from being lost or occupying extra space. When the shaving head protection cap (200) is connected to the second end of the housing (110), the gripping area of the shaver (10) can also be increased, thereby improving the user experience.

Description

shaver

[0001] Related applications

[0002] This application claims priority to the following earlier applications: Chinese Patent Application No. 202422653584.4, filed October 31, 2024; Chinese Patent Application No. 202423087295.9, filed December 13, 2024; Chinese Patent Application No. 202423087132.0, filed December 13, 2024; and Chinese Patent Application No. 202510010800.X, filed January 3, 2025. The entire contents of the above patent applications are incorporated herein by reference. Technical Field

[0003] This application relates to the field of razor technology, and in particular to a razor. Background Technology

[0004] A razor is a tool used to shave facial or body hair. It belongs to personal care devices and can be divided into two categories: manual razors and electric razors. Electric razors use a motor to drive blades to shave hair. They typically have a built-in rechargeable battery that powers the motor, making them convenient to operate and widely applicable.

[0005] The head of an electric shaver consists of sharp blades and a precision foil. External impacts can cause the foil to deform and the blades to be damaged, affecting shaving performance. A head cover prevents accidental damage, dust accumulation, and accidental contact. The head cover is usually attached to the shaver and removed when not in use. However, it is inconvenient to store, wasting space and affecting the shaver's portability. Summary of the Invention

[0006] This application provides a razor, which includes a razor body, a housing, and a blade head, the blade head being disposed at a first end of the housing; and a blade head protective cover, the blade head protective cover being detachably connected to the first end of the housing for protecting the blade head; a protective cover fixing part is provided at a second end of the housing, the protective cover fixing part being detachably connected to the blade head protective cover.

[0007] In one embodiment, the outer contour of the blade protector matches the outer contour of the razor body, and the blade protector, when fitted onto the first or second end of the housing, can form a continuous surface with the razor body.

[0008] In one embodiment, the first or second end of the housing is connected to the blade protection cover by magnetic attraction, interference fit, snap-fit, or threaded connection.

[0009] In one embodiment, when the cutter head protective cover is magnetically connected to the first end, the cutter head protective cover further includes a magnet for magnetically attracting the cutter head.

[0010] In one embodiment, the cutter head protective cover further includes a magnet limiting bracket, which is fixedly connected to the inner wall of the cutter head protective cover. The magnet limiting bracket has a magnet limiting groove, and the magnet is disposed in the magnet limiting groove and is interference-fitted with the magnet limiting groove.

[0011] In one embodiment, the magnet support is provided with a clearance groove surrounding the magnet limiting groove, the clearance groove being used to avoid elastic deformation of the sidewall of the magnet limiting groove.

[0012] In one embodiment, the cutter head protective cover further includes a magnetic baffle, which is fixedly connected to the magnetic limiting bracket. The magnetic baffle is used to limit the magnet to prevent the magnet from dislodging from the magnetic limiting groove.

[0013] In one embodiment, the inner wall of the cutter head protective cover is provided with a bracket mounting groove and a baffle mounting groove. The bracket mounting groove is used to install the magnet limiting bracket, and the baffle mounting groove is used to install the magnet baffle.

[0014] In one embodiment, when the blade protective cover is magnetically connected to the second end of the housing, the second end of the housing is provided with a ferromagnetic component, which is used to magnetically attract the magnet.

[0015] In one embodiment, the radial dimension of the protective cover fixing portion is smaller than the radial dimension of the cavity of the blade protective cover.

[0016] This application also provides a housing sealing structure, which includes a housing and a first sealing member. The housing includes a receiving cavity, and a first end of the housing is provided with an installation opening. The first sealing member is detachably connected to the housing and is used to close the installation opening. The first sealing member includes a body and a sealing portion. The body is fixedly connected to the sealing portion. The sealing portion is elastic and is interference-fitted with the installation opening.

[0017] In one embodiment, the sealing portion includes a connecting portion and a protrusion, the protrusion being located at the edge of the connecting portion near the mounting opening, and the radial dimension of the protrusion being greater than the radial dimension of the connecting portion.

[0018] In one embodiment, the body is provided with a flange, the radial dimension of which is greater than the radial dimension of the protrusion.

[0019] In one embodiment, the sealing portion and the body are integrally formed, wherein the sealing portion is made of an elastic material.

[0020] In one embodiment, the first seal is detachably connected to the housing via a first fastener.

[0021] In one embodiment, the first fastener includes a first bolt, and both the first seal and the housing have a first bolt hole for the first bolt to pass through. A first annular groove is provided on the sealing surface of the first seal along the circumference of the first bolt hole. A first annular protrusion is provided on the sealing surface of the housing around the first bolt hole, and the first annular protrusion is press-fitted with the first annular groove. Alternatively, a second annular protrusion is provided on the sealing surface of the first seal along the circumference of the first bolt hole, and a second annular groove is provided on the sealing surface of the housing around the first bolt hole. The second annular protrusion is press-fitted with the second annular groove.

[0022] In one embodiment, the elastic material is nitrile rubber, fluororubber, silicone rubber, ethylene propylene rubber, hydrogenated nitrile rubber, thermoplastic polyurethane elastomer, polytetrafluoroethylene, ethylene propylene diene monomer (EPDM) rubber, or polyurethane rubber.

[0023] In one embodiment, a fastener is provided within the receiving cavity of the housing sealing structure for securing internal components contained within the housing. The fastener is detachably connected to the housing via a second fastener.

[0024] In one embodiment, the second fastener includes a second bolt, and both the housing and the fixing member have second bolt holes for the second bolt to pass through. A third annular groove is provided around the second bolt hole on the surface of the fixing member opposite to the inner wall of the housing. A third annular protrusion is provided around the second bolt hole on the inner wall of the housing, and the third annular protrusion is press-fitted with the third annular groove. Alternatively, a fourth annular protrusion is provided around the second bolt hole on the surface of the fixing member opposite to the inner wall of the housing, and a fourth annular groove is provided around the second bolt hole on the inner wall of the housing. The fourth annular protrusion is press-fitted with the fourth annular groove.

[0025] In another aspect, this application provides a razor that includes a housing sealing structure as described in any of the above embodiments; the housing sealing structure is used to seal the internal components of the razor.

[0026] This application also provides a razor, which includes a razor body, a razor head assembly, and a foil assembly.

[0027] A blade head assembly is disposed at one end of the shaver body. The blade head assembly includes a blade head, a blade frame, and a first suction member. The blade frame is detachably connected to the shaver body, and the blade head is mounted on the blade frame. The blade frame has a suction member receiving cavity, in which the first suction member is disposed. The suction member receiving cavity has an exhaust port. A foil assembly covers the blade head assembly and is detachably connected to the shaver body. The foil assembly includes a second suction member for adsorbing the first suction member.

[0028] In one embodiment, the first adsorption element is interference-fitted with the adsorption element receiving cavity.

[0029] In one embodiment, the blade frame is provided with a plurality of first adsorption elements, which are evenly distributed around the blade head.

[0030] In one embodiment, both the first and second adsorption elements are magnets, and the opposing surfaces of the first and second adsorption elements have opposite magnetic properties; or one of the first and second adsorption elements is a magnet, and the other is a ferromagnetic metal element.

[0031] In one embodiment, the shaver body includes a housing and a motor, the motor being disposed inside the housing and electrically connected to the shaving head assembly for driving the shaving head assembly.

[0032] In one embodiment, a mounting bracket is provided inside the housing, and a motor mounting slot is provided on the mounting bracket. The motor is disposed in the motor mounting slot and is fixedly connected to the mounting bracket by a connector.

[0033] In one embodiment, the motor has a plurality of first screw holes on its surface opposite to the motor mounting slot, and the mounting bracket has a plurality of second screw holes corresponding to the positions of the first screw holes. The connector includes screws, which pass through the second screw holes and the first screw holes in sequence to fix the motor to the mounting bracket.

[0034] In one embodiment, the mounting bracket is provided with stress-dispersing structures on both sides of the motor mounting slot.

[0035] In one embodiment, the shaver further includes a battery, and the mounting bracket has a battery mounting slot for horizontally mounting the battery.

[0036] In one embodiment, a control board is also included, which is electrically connected to the battery and the motor. The control board is arranged parallel to the side wall of the housing, and the mounting bracket has a control board mounting slot.

[0037] This application also provides a razor foil, which includes a foil cover body and a plurality of mesh holes densely distributed on the surface of the foil cover body. The length direction of the mesh holes forms an angle with the longitudinal direction of the foil cover body. Each mesh hole includes at least a first shaving hole whose length direction forms a first preset angle with the longitudinal direction of the foil cover body, and a second shaving hole whose length direction forms a second preset angle with the longitudinal direction of the foil cover body, wherein the first preset angle and the second preset angle are different.

[0038] In one embodiment, the mesh further includes a third shaving hole whose length direction forms a third preset angle with the longitudinal direction of the mesh body, the third preset angle being different from both the first preset angle and the second preset angle.

[0039] In one embodiment, the ratio of the major diameter to the minor diameter of the mesh is greater than 1.

[0040] In one embodiment, the mesh is configured as a polygonal structure; or, the mesh is configured as an elliptical structure.

[0041] In one embodiment, a portion of the mesh is constructed as a polygonal structure, while the remaining portion is constructed as an elliptical structure.

[0042] In one embodiment, the foil includes a shaving contact surface for contacting the skin, the outer edge of which is arc-shaped.

[0043] In one embodiment, the radius of curvature of the arc formed by the outer edge of the shaving contact surface in the longitudinal direction of the foil is between 120mm and 360mm.

[0044] In one embodiment, the radius of curvature of the arc formed by the outer edge of the shaving contact surface in the transverse direction of the foil is between 2 mm and 7.5 mm.

[0045] In another aspect, this application provides a shaving head, including a housing and a fine shaving unit mounted on the housing. The fine shaving unit includes a moving blade and the aforementioned blade foil. The blade foil is arched upward to form a receiving area, the moving blade is mounted in the receiving area, and the cutting edge of the moving blade is in contact with the inner wall of the blade foil.

[0046] In one embodiment, the blade head includes multiple shaving units, all of which are arranged side by side along the transverse side of the blade head, and the top height of each shaving unit decreases sequentially from the middle position to both sides.

[0047] In one embodiment, the blade head further includes a coarse shaving unit, which is disposed between two adjacent fine shaving units along the transverse direction of the blade head.

[0048] In one embodiment, the coarse shaving unit includes a fixed intermediate blade and a movable intermediate blade, the fixed intermediate blade being mounted on the housing, and the cutting edge of the movable intermediate blade contacting the inner wall of the fixed intermediate blade.

[0049] In one embodiment, the intermediate blade includes a guide contact surface for contacting the skin, the outer edge of which is arc-shaped.

[0050] In one embodiment, the radius of curvature of the arc formed by the outer edge of the guide contact surface in the longitudinal direction of the intermediate blade is between 120mm and 360mm.

[0051] Another aspect of this application provides a reciprocating razor, including a handheld part and the aforementioned razor head, the razor head being mounted on the handheld part. Attached Figure Description

[0052] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0053] Figure 1 is a schematic diagram showing the connection relationship between the razor head protective cover and the first end of the housing of a razor provided in an embodiment of this application.

[0054] Figure 2 is a schematic diagram of the structure of a shaver head protective cover provided in an embodiment of this application when it is closed on the first end of the housing.

[0055] Figure 3 is a schematic diagram showing the connection relationship between the razor head protective cover and the second end of the housing of a razor provided in an embodiment of this application.

[0056] Figure 4 is a schematic diagram of the structure of a shaver head protective cover provided in an embodiment of this application when it is closed on the second end of the housing.

[0057] Figure 5 is a top view of a razor provided in an embodiment of this application.

[0058] Figure 6 is a cross-sectional structural diagram of the razor head protective cover provided in an embodiment of this application.

[0059] Figure 7 is a cross-sectional structural diagram of the razor head in the working state according to an embodiment of this application.

[0060] Figure 8 is a cross-sectional structural diagram of the razor head in the working state according to an embodiment of this application.

[0061] Figure 9 is a cross-sectional structural diagram of the razor head in a non-working state according to an embodiment of this application.

[0062] Figure 10 is a cross-sectional structural diagram of the razor head in a non-working state according to an embodiment of this application.

[0063] Figure 11 is a cross-sectional structural diagram of a razor provided in an embodiment of this application.

[0064] Figure 12 is a magnified view of part A in Figure 11.

[0065] Figure 13 is a cross-sectional view of a razor provided in one embodiment of this application along another direction.

[0066] Figure 14 is a magnified view of part B in Figure 13.

[0067] Figure 15 is a schematic diagram of the structure of the first sealing element of the shell sealing structure provided in an embodiment of this application.

[0068] Figure 16 is a partial structural schematic diagram of the razor head assembly provided in an embodiment of this application.

[0069] Figure 17 is a cross-sectional structural diagram of a razor provided in an embodiment of this application.

[0070] Figure 18 is a cross-sectional view of a razor provided in one embodiment of this application from another direction.

[0071] Figure 19 is a schematic diagram showing the position of the screw in a razor provided in an embodiment of this application.

[0072] Figure 20 is a schematic diagram showing the position of the motor in a shaver provided in an embodiment of this application.

[0073] Figure 21 is a cross-sectional view of a shaver provided in an embodiment of this application when no battery is installed.

[0074] Figure 22 is a schematic diagram of the battery installation position of a shaver provided in an embodiment of this application.

[0075] Figure 23 is an unfolded diagram of a knife-net structure in the related art.

[0076] Figure 24 is an enlarged view of part A in Figure 23.

[0077] Figure 25 is an unfolded diagram of another blade mesh structure in the related technology.

[0078] Figure 26 is an enlarged view of part B in Figure 25.

[0079] Figure 27 is a front view of the knife mesh structure in the related technology.

[0080] Figure 28 is a side view of the knife mesh structure in Figure 27.

[0081] Figure 29 is an unfolded view of the blade mesh in one embodiment of this application.

[0082] Figure 30 is an enlarged view of part C in Figure 29.

[0083] Figure 31 is an unfolded view of the blade mesh in another embodiment of this application.

[0084] Figure 32 is an enlarged view of part D in Figure 31.

[0085] Figure 33 is a front view of the knife mesh in Figure 31.

[0086] Figure 34 is a side view of the knife mesh in Figure 31.

[0087] Figure 35 is a perspective view of the blade head in one embodiment of this application.

[0088] Figure 36 is a schematic diagram of the assembly of the coarse shaving unit in one embodiment of this application. Detailed Implementation

[0089] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0090] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0091] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0092] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0093] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0094] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0095] Referring to Figures 1 to 8, an embodiment of this application provides a razor 10, which includes a razor body 100, a razor head protective cap 200, and a housing 110.

[0096] The razor body 100 includes a housing 110 and a razor head 120, with the razor head 120 disposed at the first end of the housing 110.

[0097] The cutter head protective cover 200 is detachably connected to the first end of the housing 110 to protect the cutter head 120.

[0098] The second end of the housing 110 is provided with a protective cover fixing part 113, which can be detachably connected to the cutter head protective cover 200.

[0099] As shown in Figure 1, the shaver body 100 includes a housing 110 and a shaver head 120. The shaver head 120 is located at the first end of the housing 110 and is used for shaving. The housing 110 encapsulates electronic components such as a motor and a battery to drive the shaver head 120 for shaving. A cavity is formed on the shaver head protective cover 200, the volume of which is larger than the volume of the shaver head 120. The shaver head protective cover 200 can be closed on the shaver head 120 and is detachably connected to the shaver body 100, as shown in Figure 2. When the shaver head 120 is not working, the shaver head protective cover 200 can be closed on the first end of the housing 110 to protect the shaver head 120 from the influence of dust, moisture, or external impacts from the external environment. The head protector 200 and the first end of the housing 110 can be detachably connected in various ways, as shown in Figures 5 to 8. The cross-sectional shape of the shaver body 100 is a rounded rectangle. The head protector 200 and the housing 110 are inserted into each other. When the head 120 and the foil are made of steel, a magnet 210 can be provided in the head protector 200. The magnet 210 can attract the head 120 or the foil, thereby achieving a magnetic connection and preventing the head 120 from falling off. The cover fixing part 113 can be directly formed on the housing 110, as shown in Figures 1-3. The radial dimension of the cover fixing part 113 can be smaller than the radial dimension of the shaver body 100 so that the head protector 200 can be placed on the cover fixing part 113. The way the cover fixing part 113 and the head protector 200 cooperate can be the same as or different from the way the first end of the housing 110 and the head protector 200 cooperate. The length of the protective cover fixing part 113 can be less than or equal to the depth of the internal cavity of the head protective cover 200. This minimizes the gap between the head protective cover 200 and the shaver body 10, making the grip more comfortable and stable. As shown in Figures 3, 4, 9, and 10, when the head protective cover 200 needs to be removed, it can be placed on the second end of the housing 110. This increases the gripping area of ​​the shaver body 100, allows for proper storage of the head protective cover 200 to prevent loss, and saves space. As shown in Figures 7 to 10, the housing 110 may include an upper housing 111 and a lower housing 112. The upper housing 111 is used to install the cutter head 120. The size of the lower housing 112 may be smaller than that of the upper housing 111. The lower housing 112 is inserted into the upper housing 111 and fixed by a snap-fit ​​structure. The portion of the lower housing 112 extending outward from the edge of the upper housing 111 forms a protective cover fixing part 113. When the cutter head protective cover 200 is connected to the protective cover fixing part 113, the edge of the upper housing 111 can limit the cutter head protective cover 200.

[0100] The aforementioned shaver 10, by providing a head protection cover 200, can protect the shaver head 120 from external dust, moisture, or accidental impact when not in use, thus extending the lifespan of the shaver head 120. Furthermore, by adding a protective cover fixing part 113 to the second end of the housing 110, the head protection cover 200 can be removed and fixed to the other end of the housing 110 during use. This allows for convenient storage of the head protection cover 200 when the shaver 10 is in operation, preventing loss or additional space occupation and improving the portability of the shaver 10. When the head protection cover 200 is attached to the second end of the housing 110, it also increases the grip area of ​​the shaver 10, preventing water from entering the charging port 130 and enhancing the user experience.

[0101] In one embodiment, the outer contour of the head protection cover 200 matches the outer contour of the shaver body 100, and the head protection cover 200 can form a continuous surface with the shaver body 100 when it is closed on the first or second end of the housing 110.

[0102] The outer contour of the head protector 200 matches the outer contour of the shaver body 100. This means that when the head protector 200 is detachably connected to the first or second end of the housing 110, its outer surface can form a continuous surface with the outer surface of the shaver body 100. This smooth surface improves grip comfort and stability during use. Specifically, the outer contour of the head protector 200 can be the same as the outer contour shape of the shaver body 100, and the radial dimension of the head protector 200 can be equal to the radial dimension of the shaver body 10. This ensures that whether the head protector 200 is attached to the first end of the housing 110 or the cover fixing part 113, its outer surface can be flush with the outer surface of the shaver body 10, forming a continuous surface. This makes the shaver 10 smoother and improves grip comfort.

[0103] In one embodiment, the first or second end of the housing 110 is connected to the blade protection cover 200 by magnetic attraction, interference fit, snap-fit ​​or threaded connection.

[0104] The connection method between the razor head cover 200 and the housing 110 can include one or more of the following: magnetic attraction, threaded connection, snap-fit ​​connection, and interference fit. This can be selected according to the actual shape of the razor 10. When the razor head cover 200 is magnetically connected to both the first and second ends of the housing 110, the outer shell structure of the razor 10 can be smoother, without additional connecting mechanisms such as threads or snaps, allowing for a more comfortable grip whether the razor 10 is in operation or not. In some embodiments, when the cross-sectional shape of the razor body 100 is circular, threaded or snap-fit ​​structures can be provided on the inner wall of the razor head cover 200 and the outer wall of the housing 110 to achieve threaded or snap-fit ​​connections. Alternatively, the radial dimension of the razor body 100 can be set slightly larger than the radial dimension of the internal cavity formed by the razor head cover 200, allowing for an interference fit between the two.

[0105] In one embodiment, when the cutter head protective cover 200 is magnetically connected to the first end, the cutter head protective cover 200 also includes a magnet 210, which is used to magnetically attract the cutter head 120.

[0106] The shape and number of magnets 210 can be set according to the actual structure of the cutter head protective cover 200 and the cutter head 120. The size and number of magnets 210 can be set according to the required adsorption force. Magnets 210 can be sheet-shaped or block-shaped and installed on the cutter head protective cover 200 near the cutter head 120, for example, on the surface opposite to the cutter head 120. Magnets 210 can be embedded inside the cutter head protective cover 200, or magnetic sheets can be pasted on the cutter head protective cover 200 or covered with a magnetic material coating. Correspondingly, the cutter head 120 and the cutter wire can also be covered with a magnetic coating. Magnets 210 or other parts made of ferromagnetic materials can also be added near the cutter head 120 to make the adsorption more stable.

[0107] In one embodiment, the cutter head protection cover 200 further includes a magnet limiting bracket 220, which is fixedly connected to the inner wall of the cutter head protection cover 200. The magnet limiting bracket 220 has a magnet limiting groove 221, and a magnet 210 is disposed in the magnet limiting groove 221 and is interference-fitted with the magnet limiting groove 221.

[0108] The magnet limiting bracket 220 is a component used to fix the magnet 210. The magnet 210 and the magnet limiting groove 221 are interference-fitted, meaning that the size of the magnet 210 is slightly larger than the size of the magnet limiting groove 221, so that the magnet 210 can be embedded in the magnet limiting groove 221 for fixation. It is bonded to the bottom surface of the magnet limiting groove 221 with adhesive, as shown in the figure. There is a gap between the magnet 210 and the bottom surface of the magnet limiting groove 221, and multiple groove structures are provided on the opposing surfaces of the bottom surfaces of the magnet 210 and the magnet limiting groove 221. The groove structure increases the contact area between the adhesive and the magnet 210, resulting in a stronger bond. The magnet limiting bracket 220 and the cutter head protective cover 200 can be made of the same or different materials. They can be an integrally molded structure, or the magnet limiting bracket 220 can be bonded to the inner wall of the cutter head protective cover 200 with adhesive.

[0109] In one embodiment, the magnet 210 support is provided with a relief groove 222 surrounding the magnet limiting groove 221, the relief groove 222 being used to avoid the elastic deformation of the side wall of the magnet limiting groove 221.

[0110] When magnet 210 is interference-fitted with magnet limiting groove 221, there is a clamping force between magnet 210 and the side wall of magnet limiting groove 221. This clamping force will cause magnet limiting groove 221 to deform. In order to avoid local structural damage to magnet limiting groove 221 during the clamping process of magnet 210, a relief groove 222 can be set around magnet limiting groove 221. The relief groove 222 can provide a certain deformation space for the side wall of magnet limiting groove 221. As shown in Figure 6, the width of relief groove 222 can gradually increase from bottom to top. This makes the top of the side wall of magnet limiting groove 221 thinner and the bottom thicker, and the top is more likely to deform, making it easier for magnet 210 to be installed in place.

[0111] In one embodiment, the cutter head protective cover 200 further includes a magnetic baffle 230, which is fixedly connected to the magnetic limiting bracket 220. The magnetic baffle 230 is used to limit the magnet 210 to prevent it from detaching from the magnetic limiting groove 221. As shown in the figure, the magnet 210 is enclosed between the cutter head protective cover 200 and the magnetic baffle 230 by the magnetic baffle 230, which can prevent the magnet 210 from falling off. The materials used to manufacture the magnetic baffle 230, the magnetic limiting bracket 220, and the cutter head protective cover 200 can be the same or different. The magnetic baffle 230 can be bonded to the inner wall of the cutter head protective cover 200 by adhesive or connected to the cutter head protective cover 200 by a connector. While preventing the magnet 210 from falling off, a hollow area can be provided on the magnetic baffle 230, which can expose part of the magnet 210 to reduce the impact of the magnetic baffle 230 on the magnetic attraction effect and improve the magnetic attraction effect.

[0112] In one embodiment, the inner wall of the blade protection cover 200 is provided with a bracket mounting groove and a baffle mounting groove. The bracket mounting groove is used to install the magnet limiting bracket 220, and the baffle mounting groove is used to install the magnet baffle 230.

[0113] The bracket mounting groove and the baffle mounting groove are both arranged circumferentially along the inner wall of the cutter head protective cover 200. The bracket mounting groove matches the outline and size of the magnet limiting bracket 220, and the baffle mounting groove matches the outline and size of the magnet baffle 230. The magnet limiting bracket 220 and the magnet baffle 230 cooperate with the bracket mounting groove and the baffle mounting groove respectively, and can be fixed by adhesive.

[0114] In one embodiment, when the razor head cover 200 is magnetically connected to the second end of the housing 110, a ferromagnetic component 140 is provided at the second end of the housing 110. The ferromagnetic component 140 is used to magnetically attract the magnet 210. The ferromagnetic component 140 can be a magnet or a part made of other ferromagnetic metals. As shown in Figure 7, one or more ferromagnetic components 140 are disposed inside the housing 110 at the position opposite to the magnet 210 of the razor head cover 200, so that the razor head cover 200 can be attracted to the second end of the housing 110. The charging port 130 of the shaver 10 shown in the figure is located in the middle of the second end of the housing 110. Multiple ferromagnetic components 140 can be symmetrically arranged around the charging port 130 to make the magnetic attraction more uniform and improve the fixing effect of the razor head cover 200. Alternatively, the ferromagnetic component 140 can be embedded in or covered on the surface of the second end of the housing 110. When the ferromagnetic component 140 is a magnet, the magnetic poles of the surface opposite to those of the magnet 210 are opposite.

[0115] In one embodiment, the radial dimension of the protective cover fixing part 113 is smaller than the radial dimension of the cavity of the cutter head protective cover 200. Setting the radial dimension of the protective cover fixing part 113 to be smaller than the size of the cavity of the cutter head protective cover 200 allows the volume of the protective cover fixing part 113 to be smaller than the volume of the cavity of the cutter head protective cover 200, thereby making the closing process smoother. In this case, the protective cover fixing part 113 and the cutter head protective cover 200 are magnetically engaged, threadedly connected, or snap-fit ​​connected.

[0116] In one embodiment, the assembly of the blade protection cover 200 includes the following steps:

[0117] Step 302: Install the magnet limiting bracket 220 into the bracket mounting groove, and bond the magnet limiting bracket 220 and the cutter head protective cover 200 with adhesive;

[0118] Step 304: Press the magnet 210 into the magnet limiting groove 221 with an interference fit, and bond the magnet 210 to the inner wall of the magnet limiting groove 221 with an adhesive.

[0119] Step 306: Install the magnet baffle 230 into the baffle mounting groove, and bond the magnet baffle 230 to the cutter head protective cover 200 with adhesive.

[0120] A housing seal is a structure used to prevent external substances (such as water, dust, and gases) from entering the equipment housing at its joints, or simultaneously prevent leakage of internal media. Housing seals are widely used in electronic equipment, automobiles and vehicles, industrial equipment, and medical equipment. Existing housing seals typically involve creating a sealing groove on the mating surface of the housing, installing a sealing ring in the groove, and applying pressure to the contact surface to achieve a seal. After installation, the sealing ring deforms under pressure and fills the gap between the mating surfaces, thus achieving a seal.

[0121] Sealing with sealing rings has a wide range of applications, but the installation of sealing rings requires high precision during assembly. On the one hand, the installation of the sealing ring needs to be strictly matched with the size of the sealing groove. If the installation is not accurate, it may cause the sealing ring to be deformed or damaged, thereby affecting the sealing performance. On the other hand, sealing rings are often used in multi-component combined sealing structures. Each component needs to be precisely aligned, and special tools are required for assembly. Therefore, the assembly of sealing rings is complex and affects the assembly efficiency.

[0122] Referring to Figures 11 to 15, an embodiment of this application provides a housing sealing structure 101 including a housing 110 and a first sealing element 1201.

[0123] The housing 110 includes a receiving cavity 115, and a mounting opening is provided at the first end of the housing 110. A first seal 1201 is detachably connected to the housing 110 and is used to close the mounting opening. The first seal 1201 includes a body 121 and a sealing portion 122, the body 121 and the sealing portion 122 are fixedly connected, and the sealing portion 122 is elastic and has an interference fit with the mounting opening.

[0124] The housing 110 can be an external encapsulation structure for the electronic product. By encapsulating internal components such as motors, batteries, and controllers within the housing 110, external physical damage to the internal components can be prevented, while also reducing the impact of dust and moisture, thus extending their service life. The housing 110 can be a metal housing 110, a plastic housing 110, or a composite material housing 110, etc. The mounting opening provides a channel for installing, connecting, maintaining, or expanding the functionality of internal components or modules. Its size and shape can be determined comprehensively based on the size and shape of the internal components, as well as factors such as ease of maintenance. The first seal 1201 is used to seal the mounting opening after the internal components have been installed or maintained, preventing external dust or moisture from entering. The detachable connection can be achieved through threaded connections, snap-fit ​​connections, pin connections, magnetic connections, or connections via interlocking structures, etc. The first sealing element 1201 can be a sealing cover. Its main body 121 and sealing part 122 can be made of different materials and have different sizes. The main body 121 can be made of a material with high structural strength to provide structural strength for the first sealing element 1201. The sealing part 122 can be made of an elastic material. When the first sealing element 1201 is connected to the housing 110, the sealing part 122 is compressed to achieve sealing. This eliminates the need for processing and installing the sealing ring, reduces assembly complexity, and improves assembly efficiency.

[0125] The aforementioned housing sealing structure 101 and shaver, the sealing part 122 of the first sealing element 1201 is made of elastic material and achieves a seal with the installation opening of the housing 110 through an interference fit, so that the sealing part 122 forms a tight contact with the surface of the housing 110, which can effectively prevent the leakage of gas or liquid media. The fixed connection between the sealing part 122 and the main body 121 can ensure the positioning stability of the sealing part 122, avoid displacement or detachment during long-term use, and further improve the reliability of the seal. By fixing the sealing element through an interference fit, there is no need for complicated installation tools or additional fasteners (such as bolts, adhesives, etc.), and there is no need to install the sealing ring with special tools, which reduces the assembly difficulty and process complexity, while improving assembly efficiency and ensuring a good sealing effect.

[0126] In one embodiment, the sealing portion 122 includes a connecting portion 1221 and a protrusion 1222. The protrusion 1222 is located at the edge of the connecting portion 1221 near the mounting opening, and the radial dimension of the protrusion 1222 is larger than that of the connecting portion 1221. The larger radial dimension of the protrusion 1222 allows it to contact the sealing surface more tightly during installation, increasing the contact pressure and forming a more reliable seal. Due to its larger radial dimension, the protrusion 1222 has stronger structural rigidity, better resisting compression deformation and avoiding seal failure caused by excessive compression.

[0127] In one embodiment, a flange 1211 is provided on the main body 121, and the radial dimension of the flange 1211 is larger than the radial dimension of the protrusion 1222. The area of ​​the flange 1211 portion of the main body 121 can be greater than or equal to the cross-sectional area of ​​the housing 110. When the first seal 1201 is installed on the housing 110, the flange 1211 can completely cover the installation opening, providing a support surface and force application space for the installation of the first seal 1201 and the housing 110, facilitating installation. Furthermore, by covering a larger surface area, the flange 1211 can disperse concentrated stress during installation and operation, and also provide additional physical protection, protecting the sealing portion 122 and the internal components of the housing 110 from direct mechanical impact or vibration during equipment operation, thereby improving the impact resistance of the housing sealing structure 101 and the encapsulated electronic equipment.

[0128] In one embodiment, the sealing part 122 and the main body 121 are integrally molded, wherein the sealing part 122 is made of an elastic material. Integral molding refers to the process of manufacturing multiple functional components of a product as a whole through specific technological means, rather than assembling or connecting them later. This reduces the need for splicing, welding, or bonding between separate components, thereby improving the integrity, strength, and performance of the structure. The main body 121 can be processed first, and then the sealing part 122 can be formed on the main body 121 through processes such as injection molding. The sealing part 122 is made of an elastic material, which can deform and fill gaps to achieve a seal when compressed. The main body 121 is a rigid structure or a structure that is not easily deformed, providing sufficient structural strength for the first sealing element 1201 and facilitating the assembly of the first sealing element 1201 and the housing 110.

[0129] In one embodiment, the first seal 1201 is detachably connected to the housing 110 via a first fastener. The first fastener can be a bolt or a snap-fit ​​structure. Detachably connecting the first seal 1201 to the housing 110 via the first fastener not only ensures the connection strength between the two but also allows for the application of pressure to the sealing portion 122 by adjusting the structure or position of the first fastener, thereby improving the sealing effect.

[0130] In one embodiment, the first fastener includes a first bolt 135, and both the first seal 1201 and the housing 110 have first bolt holes 114 for the first bolt 135 to pass through. The sealing surface of the first seal 1201 is provided with a first annular groove along the circumference of the first bolt hole 114, and the sealing surface of the housing 110 is provided with a first annular protrusion 116 around the first bolt hole 114. The first annular protrusion 116 is press-fitted with the first annular groove. Alternatively, the sealing surface of the first seal 1201 is provided with a second annular protrusion along the circumference of the first bolt hole 114, and the sealing surface of the housing 110 is provided with a second annular groove around the first bolt hole 114. The second annular protrusion is press-fitted with the second annular groove. An annular protrusion structure and an annular groove structure are provided around the first bolt hole 114 on the sealing surface of the first seal 1201 and the sealing surface of the housing 110. The bolt hole can be sealed by the interference fit of the annular protrusion structure and the annular groove structure. The pressure applied to the fixing member 144 and the housing 110 by the first bolt 135 can apply pressure to the annular protrusion structure and the annular groove structure, making the two fit more tightly, thereby further improving the sealing effect. Sealing by this structure can reduce the use of sealing rings, or eliminate the use of sealing rings, thereby reducing the complexity of assembly and improving assembly and production efficiency.

[0131] In one embodiment, the elastic material is nitrile rubber (NBR), fluororubber (FKM), silicone rubber, ethylene propylene rubber, hydrogenated nitrile rubber (HNBR), thermoplastic polyurethane elastomer (TPU), polytetrafluoroethylene (PTFE), ethylene propylene diene monomer (EPDM), or polyurethane rubber (PU). All of these materials possess good sealing properties, wear resistance, chemical corrosion resistance, and flexibility, and can be integrally molded with the housing 110. Nitrile rubber and EPDM have lower production costs and are suitable for mass production, while silicone rubber and fluororubber have relatively higher costs but improve durability. In practical applications, the choice can be made according to specific needs, and this application does not limit the selection.

[0132] In one embodiment, a fastener 144 is provided within the receiving cavity 115 of the housing sealing structure 101. The fastener 144 is used to secure internal components housed within the housing 110. The fastener 144 is detachably connected to the housing 110 via a second fastener. The fastener 144 can be a support frame, a motor fastener 144, a transmission mechanism fastener 144, a battery and power module fastener 144, or a control board fastener 144, etc. Multiple internal components can be secured using a single fastener 144, or a combination of multiple fasteners 144. The shape of the fastener 144 can be determined by the internal components to be secured. The material of the fastener 144 can be metal, plastic, or organic material, etc. The method of securing the internal components can include one or more methods such as bolt connection, snap-fit, or adhesive bonding.

[0133] In one embodiment, the second fastener includes a second bolt 151. Both the housing 110 and the fastener 144 have second bolt holes 141 for the second bolt 151 to pass through. A third annular groove is provided around the second bolt hole 141 on the surface of the fastener 144 opposite to the inner wall of the housing 110, and a third annular protrusion is provided around the second bolt hole 141 on the inner wall of the housing 110. The third annular protrusion and the third annular groove are interference-fitted. Alternatively, a fourth annular protrusion 142 is provided around the second bolt hole 141 on the surface of the fastener 144 opposite to the inner wall of the housing 110, and a fourth annular groove is provided around the second bolt hole 141 on the inner wall of the housing 110. The fourth annular protrusion 142 and the fourth annular groove are interference-fitted. The second bolt 151 is used to fix the fastener 144 to the housing 110. To ensure installation stability, multiple second bolts 151 can be provided, and these bolts can be symmetrically or evenly distributed at different positions on the fastener 144 to avoid stress concentration and improve stability. The contour of the surface of the fastener 144 opposite to the inner wall of the housing 110 can fit with the contour of the inner wall of the housing 110, thereby reducing shaking. An annular protrusion structure and an annular groove structure are provided around the bolt hole on the inner wall of the housing 110 and the fastener 144. The interference fit of the annular protrusion structure and the annular groove structure can achieve a seal at the bolt hole. Applying a clamping force to the fastener 144 and the housing 110 by the second bolt 151 can apply pressure to the annular protrusion structure and the annular groove structure, making the two fit more tightly, thereby further improving the sealing effect. Sealing through this structure can reduce the use of sealing rings, or eliminate the use of sealing rings, thereby reducing the complexity of assembly and improving assembly and production efficiency.

[0134] In one embodiment, a razor 201 is provided, the razor 201 including a housing sealing structure 101 as described in the above embodiments; the housing sealing structure 101 is used to seal the internal components of the razor 201.

[0135] The shaver 201 can be an electric shaver, including rotary shavers, reciprocating shavers, linear shavers, and multi-functional shavers. The shaver may include internal components such as blades, a motor, a transmission mechanism, a battery, a charging system, and a control system. These internal components are sealed by the housing sealing structure described in the above embodiments, and are installed and fixed inside the housing by fasteners. Shavers are typically small in size, making precise installation more difficult. Therefore, applying the aforementioned housing sealing structure 101 to the shaver 201 can effectively reduce the assembly difficulty and improve assembly efficiency, while also meeting the shaver's waterproof requirements.

[0136] The 202 blade assembly of an electric shaver is a common personal care device, typically comprising a blade head, drive motor, transmission mechanism, power supply assembly, control assembly, and housing. The blade head is usually located at the top of the shaver for easy skin contact; the drive motor and transmission mechanism are positioned close to the blade head to minimize power loss; and the battery and control assembly are located in the handle for easy grip and operation.

[0137] A shaver head typically consists of a shaver head and a foil. The foil is a thin metal mesh surrounding the blades, protecting the skin and preventing direct contact between the skin and the blades. The blades move or rotate at high speed, driven by a motor, to cut the beard. During use, the foil and blades accumulate beard hairs and other debris, requiring regular cleaning to maintain the shaver's hygiene and performance. Both the shaver head and foil also experience wear and tear, potentially requiring periodic replacement. Therefore, the foil is usually detachably connected to the shaver body using various methods such as snap-fit, rotation-locking, or magnetic attachment. Magnetic attachment involves attaching magnets to the foil or shaver itself, using the attraction between the magnets and the metal parts, or the mutual attraction between two magnets, to secure the foil in place. During installation, the magnets must be installed with precision and secureness.

[0138] Referring to Figures 16 to 18, an embodiment of this application provides a razor including a razor body, a razor head assembly 202, and a foil assembly 300.

[0139] A razor head assembly 202 is disposed at one end of the razor body. The razor head assembly 202 includes a razor head 212, a razor frame 223, and a first suction member 231. The razor frame 223 is detachably connected to the razor body. The razor head 212 is mounted on the razor frame 223, which has a suction member receiving cavity. The first suction member 231 is disposed in the suction member receiving cavity, which has an exhaust hole. A foil assembly 300 covers the razor head assembly 202 and is detachably connected to the razor body. The foil assembly 300 includes a second suction member for adsorbing the first suction member 231.

[0140] The razor body refers to the main structural part of the razor, that is, the part that the user directly holds and operates after removing accessories such as the charger. The razor head assembly 202 refers to the component used to achieve the shaving function. The blades are used to cut the beard hairs passing through the foil to complete the shave. The blades of a rotary razor can be fan-shaped or blade-shaped, rotating around a central axis during operation. The blades of a reciprocating razor are strip-shaped, moving back and forth horizontally during operation. The blade frame 223 supports the blades and maintains their precise positional relationship with the foil. In addition, the razor head assembly 202 may also include components such as an elastic adjustment structure, a limiting device, and a power transmission structure. The foil assembly 300 refers to the structure installed outside the razor head assembly 202, which uses its mesh structure to capture and guide the beard hairs into the foil so that they can be cut by the blades. It is usually made of materials such as stainless steel, and the surface can be covered with a titanium alloy coating or a ceramic coating. Its mesh shape can be circular, elongated, or a mixture of shapes, and the arrangement can be uniform or irregular; this application does not limit this. The first suction element 231 adsorbs the foil, allowing it to be easily installed on the shaver head 212. When cleaning is needed, the foil can be removed with minimal force, simplifying the cleaning and maintenance of the shaver. The suction connection also avoids mechanical fatigue or wear issues that may occur with snap-fit ​​or rotation-locking connections, extending the shaver's lifespan. The suction element cavity can be any geometric shape that matches the shape of the first suction element 231. The first suction element 231 can be installed in the suction element cavity using snap-fit, adhesive, or embedded mounting methods. The suction element cavity can be equipped with guide structures, limiting structures, and buffer structures to ensure more accurate and secure installation of the first suction element 231. During the installation of the first adsorption component 231, if the adsorption component is sealed, air may be trapped inside the cavity, creating air pressure resistance and affecting the installation of the magnet. Therefore, an exhaust hole is provided on the cavity containing the adsorption component to allow air to escape smoothly, reducing installation resistance, ensuring that the first adsorption component 231 fits tightly against the cavity wall, improving installation accuracy and firmness, and also improving the convenience of disassembly, preventing the first adsorption component 231 from being difficult to remove due to air pressure retention. If glue or adhesive is used to fix the first adsorption component 231, the exhaust hole allows air to escape, preventing air bubbles from forming during the glue curing process, thereby enhancing the bonding effect and improving the stability of the installation. The specifications and dimensions of the first adsorption component 231 and the second adsorption component can be the same or different, depending on the actual structure and dimensions of the blade frame 223, the blade, and the blade mesh. The projections of the first adsorption component 231 and the second adsorption component in the vertical direction should at least partially overlap to ensure the adsorption area and sufficient adsorption force.

[0141] The aforementioned shaver, by incorporating a first suction element 231 and a second suction element, simplifies the installation and disassembly of the foil assembly 300, resulting in more reliable connections under high-frequency vibration or repeated disassembly and assembly conditions. The suction element receiving cavity on the blade frame 223 effectively secures the first suction element 231, preventing displacement or detachment during use. The vent releases air pressure within the receiving cavity during suction element installation or disassembly, preventing installation difficulties or disassembly challenges due to pressure differences, thus improving production and maintenance efficiency. Furthermore, it prevents the formation of a sealed environment after suction element installation, reducing moisture accumulation in the suction element receiving cavity and mitigating corrosion of metal components such as the blades and foil, thereby enhancing the shaver's reliability. This shaver boasts high production and processing efficiency, ease of maintenance, and strong practicality.

[0142] In one embodiment, the first adsorption element 231 and the adsorption element receiving cavity are interference-fitted. An interference fit refers to a connection method where, during assembly, there is a certain dimensional difference between the mating parts, and external force is applied during assembly to create tight contact between the parts, achieving a strong connection. This connection method has high strength, fewer additional parts, and good fatigue resistance. In this embodiment, the cross-sectional dimension of the first adsorption element 231 is larger than the cross-sectional dimension of the adsorption element receiving cavity, creating a certain amount of interference. During assembly, the first adsorption element 231 can be pressed into the adsorption element receiving cavity by applying mechanical pressure, or the interference fit can be achieved through hot or cold assembly, saving space and materials while achieving a tight fit and improving the portability of the shaver.

[0143] In one embodiment, the blade frame 223 is provided with a plurality of first suction members 231, which are evenly distributed around the blade head 212. As shown in Figure 16, when the blade head 212 is elongated, one first suction member 231 can be provided at each end of its length, and each first suction member 231 is provided with a corresponding suction member receiving cavity. In other embodiments, the first suction members 231 can also be evenly distributed at the four corners of the blade head 212. If the blade head 212 is circular or elliptical, the first suction members 231 can also be symmetrically and evenly distributed at other positions. This application does not limit this. The even distribution of multiple suction members on the blade frame 223 can make the connection between the blade foil and the blade head 212 more stable, avoid the problem of insufficient single-point suction force, balance the dynamic load during the operation of the shaver, and extend the service life of the blade frame 223 and the first suction members 231.

[0144] In one embodiment, both the first adsorption element 231 and the second adsorption element are magnets, with opposite magnetic properties on their opposing surfaces; or one of the first adsorption element 231 and the second adsorption element is a magnet, and the other is a ferromagnetic metal component. When both the first adsorption element 231 and the second adsorption element are magnets, they can both be permanent magnets. During installation, it must be ensured that their opposing magnetic poles are opposite, such as the first adsorption element 231 being the N pole and the second adsorption element being the S pole. The first adsorption element 231 and the second adsorption element can be made of materials such as neodymium iron boron magnets or ferrite magnets. When both are magnets, they can provide a stronger adsorption force, more effectively preventing the blade from loosening. When one is a ferromagnetic metal component, it can be made of materials such as soft iron or silicon steel sheets. Magnets and ferromagnetic metal components can also be alternately arranged on the blade frame 223. For example, some of the multiple first adsorption elements 231 on the blade frame 223 are magnets, and some are ferromagnetic metal components, used in combination with the magnets on the blade assembly 300. This can improve design flexibility and reduce overall cost. The materials for the first and second adsorption components can be selected based on a comprehensive consideration of the shaver's performance requirements, cost, and usage scenarios.

[0145] In one embodiment, the shaver body includes a housing 110 and a motor 1202. The motor 1202 is disposed inside the housing 110 and electrically connected to the head assembly 202 for driving the head assembly 202. The housing 110 houses the internal components of the shaver and provides external support. The housing 110 may have mounting openings for mounting the internal components. The housing 110 may be made of plastic or metal, and its surface may be waterproof and non-slip. The motor 1202 is the power source of the shaver, disposed inside the housing 110 and electrically connected to the head assembly 202. The motor 1202 may be a DC motor, AC motor, vibratory motor, or magnetic levitation motor, etc. The motor 1202 and the cutter head assembly 202 can be directly connected, that is, the output shaft of the motor 1202 is directly connected to the cutter head assembly 202, and the cutter head 212 is driven by rotation or reciprocating motion. Alternatively, they can be connected by a transmission mechanism such as gears or eccentric wheels. When the motor 1202 is a magnetic levitation motor, the magnetic levitation motor can drive the cutter head 212 to move through the magnetic field, and there is no need for direct contact between the cutter head assembly 202 and the motor 1202.

[0146] Referring to Figure 19, in one embodiment, a mounting bracket 134 is provided inside the housing 110. The mounting bracket 134 has a motor mounting slot 131, and the motor 1202 is disposed in the motor mounting slot 131 and fixedly connected to the mounting bracket 134 via a connector. The mounting bracket 134 is used to fix and support internal components of the shaver, such as the motor 1202, battery 143, and control board. The mounting component can be a one-piece frame structure containing multiple fixing parts for mounting the motor 1202, battery 143, and control board, respectively; or it can be a modular structure, with each part independent and individually detachable, suitable for different models or modular requirements. The mounting interface can include one or more of the following structures: snap-fit ​​interface, threaded fixing interface, slide groove, or guide rail. A guide groove can be provided on the mounting bracket 134 to facilitate wiring. The mounting bracket 134 can be made of plastic, metal, or composite materials. The motor mounting slot 131 is used to fix and support the motor 1202. When the motor 1202 is cylindrical, the motor mounting slot 131 can be circular to fit tightly against the motor 1202 housing. When the motor 1202 is non-circular, a rectangular slot can be used. The mounting slot can be open or closed, and its design dimensions match the motor 1202 housing 110 to avoid the motor 1202 shifting position during operation due to excessive clearance. The connecting parts can be screws 133, clips, or elastic clamps, etc.

[0147] Referring to Figure 20, in one embodiment, the motor 1202 has multiple first screw holes 133 on its surface opposite to the motor mounting slot 131. The mounting bracket 134 has multiple second screw holes 133 corresponding to the positions of the first screw holes 133. The connector includes screws 133, which pass through the second screw holes 133 and the first screw holes in sequence to fix the motor 1202 to the mounting bracket 134. The first screw holes 133 are pre-drilled holes on the motor 1202 housing for easy installation. The positions of the second screw holes 133 on the mounting bracket 134 match the positions of the first screw holes. The screw-fixed connection has high reliability, is suitable for high-speed motors 1202, and is highly versatile, easy to assemble and disassemble, and convenient for maintenance and replacement of the motor 1202.

[0148] In one embodiment, the mounting bracket 134 has stress-dispersing structures on both sides of the motor mounting slot 131. During operation, the motor 1202 may generate vibrations and rotational torques. These forces acting around the motor mounting slot 131 may cause stress concentration. The stress-dispersing structures, by evenly distributing the force transmission path, can reduce stress peaks in localized areas, preventing fatigue or fracture, improving the vibration resistance of the mounting bracket 134, and reducing vibration and noise during shaver use. The stress-dispersing structures can be reinforcing ribs on both sides of the motor mounting slot 131, connected to the main body of the mounting bracket 134, used to increase the rigidity of both sides of the motor mounting slot 131, disperse the dynamic stress generated by the motor 1202 during operation, and extend the service life of the mounting bracket 134. Alternatively, flexible buffer structures or elastic support structures can be provided on both sides of the mounting slot, or elongated holes can be opened on both sides of the mounting slot. These holes can be elliptical or other shapes, with their length direction arranged along the main stress transmission direction, making them more adaptable to stress changes under dynamic loads.

[0149] Referring to Figures 16 to 22, in one embodiment, the shaver also includes a battery 143. A battery mounting slot 132 is provided on the mounting bracket 134 for horizontally mounting the battery 143. The battery 143 provides power to the shaver head 212. The battery 143 can be a nickel-metal hydride battery 143 or a lithium-ion battery 143, etc. The battery mounting slot 132 is an area for fixing and protecting the battery 143. The horizontal mounting of the battery 143 in the battery mounting slot 132 means that when the shaver cross-section is rectangular or similar, the length direction of the battery 143 is parallel to the long side of the shaver cross-section. The battery 143 can be stacked with structures such as the control board 150, thereby facilitating wiring, saving space, and reducing the size of the shaver.

[0150] In one embodiment, a control board 150 is further included. The control board 150 is electrically connected to the battery 143 and the motor 1202. The control board 150 is arranged parallel to the side wall of the housing 110, and a mounting slot for the control board 150 is provided on the mounting bracket 134. The control board 150 is used to control the operation of the motor 1202, detect the status of the shaver, manage the power of the battery 143, and interact with the user. In some embodiments, the control board 150 can be a PCB (printed circuit board). The parallel arrangement of the control board 150 with the side wall of the housing 110 can save internal space in the housing 110 and reduce the size of the shaver.

[0151] Reciprocating electric shavers are tools that use moving blades to cut beards or other body hair that enter the mesh of the shaver. They are common self-service small household appliances that not only meet the need for shaving, but also the need for high efficiency and comfort.

[0152] In related technologies, the mesh of reciprocating electric shavers is mostly hexagonal or quadrilateral, with the overall structure of the mesh being flat and elongated, and the longitudinal direction being consistent (as shown in Figures 23-27). The main purpose of constructing the mesh into a flat and elongated shape is to allow long beards or body hair to enter the mesh and be shaved, while preventing skin from entering the mesh and avoiding passive shaving. If the mesh were made into a circular or square shape, where the distance from each point on the side to the center is small, it would be difficult for long beards or body hair to enter the mesh, requiring more shaver movements to allow long beards to enter the mesh, thus increasing shaving time.

[0153] However, the direction in which beard hairs or hairs fall on the skin is not fixed. This makes it difficult for some beard hairs or hairs that fall parallel to the longitudinal direction of the mesh to enter the mesh. Even if the direction in which the beard hairs or hairs fall is parallel or roughly parallel to the longitudinal direction of the mesh, if the direction of moving the razor is not parallel to the longitudinal direction of the mesh, the beard will still have difficulty entering the mesh and will not be easy to shave off, thus affecting the hair removal efficiency.

[0154] The embodiments of this application will be further described in detail below with reference to Figures 23-36.

[0155] Referring to Figure 29, one embodiment of this application provides a blade mesh 1, specifically a mesh cover structure installed on the head of a reciprocating shaver. The blade mesh 1 is used to directly contact the user's skin to protect the user's skin.

[0156] Specifically, the blade net 1 includes a mesh cover body and mesh holes 11 densely distributed on the surface of the mesh cover body. The length direction of the mesh holes 11 and the longitudinal direction F1 of the mesh cover body form an angle so that the beard or hair can enter the mesh holes 11 and be removed by the reciprocating moving blade.

[0157] Furthermore, in order to facilitate the removal of long beards or hairs of a certain length from entering the mesh 11, the mesh 11 is constructed as a flat and elongated shape in this application. The definition of "flat and elongated" is that the ratio of the major diameter to the minor diameter of the mesh 11 is greater than 1.

[0158] In this embodiment, the mesh 11 is constructed in a flat, elongated shape. This allows long beard hairs to enter the mesh 11 and be removed, while preventing skin from entering and causing cuts. If the mesh 11 is made into a circular or square shape, where the distance from each point on the side to the center is small, longer beard hairs or stubble will have difficulty entering the mesh 11. This would require more frequent shaving movements of the razor to get the long beard hairs into the mesh, resulting in longer shaving time and significantly impacting shaving efficiency.

[0159] As shown in Figures 23 to 26, the mesh 11 of the blade net 1 of a traditional reciprocating electric shaver is mostly a flat and elongated hexagon or quadrilateral, and the length direction of each mesh 11 is consistent and they are neatly arranged on the surface of the blade net 1 body to achieve the shaving operation.

[0160] However, when the mesh 11 of the razor has only one direction, since the direction in which the beard or other hair falls on the human skin is not fixed, some long beards or hairs that do not fall in a direction parallel (or roughly parallel) to the length direction of the mesh 11 are still difficult to enter the mesh 11. Even if the direction in which the long beard falls is parallel (or roughly parallel) to the length direction of the mesh 11, if the direction of moving the razor is not parallel to the length direction of the mesh 11, the long beard or hair will still have difficulty entering the mesh 11, and there will still be a problem of low shaving and hair removal efficiency.

[0161] Based on the aforementioned problems, this application features a special design for the arrangement direction of the mesh 11. For ease of explanation, the centerline of the mesh cover body is illustrated by a dashed line G1 in Figure 29. The direction of the centerline G1 of the mesh cover body is the longitudinal direction F1 of the mesh cover body in this application. In Figure 30, the centerline of the first shaving hole 117 in this embodiment is illustrated by a dashed line G2. The direction of the centerline G2 of the first shaving hole 117 is the length direction of the first shaving hole 117 in this embodiment, i.e., the first length direction F3. The centerline of the second shaving hole 118 in this embodiment is represented by a dashed line G3. The direction of the centerline G3 of the second shaving hole 118 is the length direction of the second shaving hole 118 in this embodiment, i.e., the second length direction F4.

[0162] In some embodiments, the mesh 11 includes at least a first shaving hole 117 whose length direction forms a first preset angle α with the longitudinal direction F1 of the mesh body, and a second shaving hole 118 whose length direction forms a second preset angle β with the longitudinal direction F1 of the mesh body. The first preset angle α and the second preset angle β are different, that is, the length direction of the first shaving hole 117 and the length direction of the second shaving hole 118 are at least intersecting.

[0163] As shown in Figure 30, in order to ensure shaving efficiency, in this embodiment of the application, the length direction of the first shaving hole 117 and the length direction of the second shaving hole 118 are set to be perpendicular to each other, so that beards or hairs of a certain length with different falling directions can enter the mesh 11 and be removed, thereby improving shaving or hair removal efficiency.

[0164] For ease of explanation, the center line of the main body of the mesh cover is indicated by a dashed line G1 in Figure 31. The direction of the center line G1 of the main body of the mesh cover is the longitudinal direction F1 of the main body of the mesh cover in this application.

[0165] In Figure 32, the center line of the first shaving hole 117 in this embodiment is indicated by a dashed line G4. The direction of the center line G4 of the first shaving hole 117 is the length direction of the first shaving hole 117 in this embodiment, i.e., the first length direction F3. The center line of the second shaving hole 118 in this embodiment is indicated by a dashed line G5. The direction of the center line G5 of the second shaving hole 118 is the length direction of the second shaving hole 118 in this embodiment, i.e., the second length direction F4. The center line of the third shaving hole 119 in this embodiment is indicated by a dashed line G6. The direction of the center line G6 of the third shaving hole 119 is the length direction of the third shaving hole 119 in this embodiment, i.e., the third length direction F5.

[0166] In some other embodiments, in addition to the mesh 11 including a first shaving hole 117 whose length direction forms a first preset angle α with the longitudinal direction F1 of the mesh body, and a second shaving hole 118 whose length direction forms a second preset angle β with the longitudinal direction F1 of the mesh body, a third shaving hole 119 whose length direction forms a third preset angle γ with the longitudinal direction F1 of the mesh body is also included. In the embodiments of this application, the third preset angle γ is different from the first preset angle α and the second preset angle β.

[0167] In this embodiment, the length direction of the mesh 11 of the blade net 1 is not consistent, and three directions can be selected. If there are too few directions, it is difficult for long beards lying in different directions to easily enter the mesh 11, resulting in the shaving effect not being guaranteed; if there are too many directions, it is difficult to arrange the mesh 11, or the arrangement may reduce the structural strength of the blade net 1.

[0168] Optionally, the length directions of the first shaving hole 117, the second shaving hole 118, and the third shaving hole 119 are roughly evenly divided, and the angle between each pair of these three directions is greater than 45°, which can be 120° or 60°, so that no matter which direction the beard falls, there is a corresponding mesh 11 that is roughly parallel to it in the length direction, so as to realize multi-angle introduction of beards or hairs falling at various angles, thereby further improving the beard intake and shaving efficiency.

[0169] Referring to Figures 31 and 32, in some embodiments, the mesh 11 is arranged such that meshes 11 of the same length direction are not adjacent, or as shown in Figures 29 and 30, meshes 11 of the same length direction are arranged adjacently in one area, and meshes 11 of different length directions are arranged in different areas.

[0170] In some embodiments, all mesh openings 11 are constructed as polygonal structures, as shown in Figures 29 to 33, where examples illustrate mesh openings 11 constructed as single hexagonal or rectangular shapes. It is understood that in other embodiments, the mesh openings 11 may also be other shapes that are generally elongated, such as those constructed as elliptical structures.

[0171] In other embodiments, depending on actual design requirements, a variety of flat elongated mesh holes 11 with different structural shapes can be arranged on a single blade mesh 1, that is, the same blade mesh 1 can have both elliptical mesh holes 11 and polygonal mesh holes 11.

[0172] When the direction of long beard hairs or hairs lying down is parallel (or roughly parallel) to the length direction of the mesh 11, but the direction of moving the razor is not parallel to the length direction of the mesh 11, the beard hairs are difficult to enter the mesh 11, and the beard hairs are not easy to shave off. When shaving, it is necessary to adjust the direction of moving the razor, which can improve the ease with which the beard hairs enter the razor mesh 1. However, as shown in Figures 27 and 28, the razor mesh 1 is straight in the longitudinal direction, that is, the contact surface between the razor mesh 1 and the skin is a plane. When the plane moves in the longitudinal direction, it is easy to cause friction between the plane and the user's skin, which leads to a decrease in shaving comfort.

[0173] To address this issue, in this embodiment, the outer surface of the foil 1 that comes into contact with the skin is defined as the shaving contact surface 12. Referring to Figures 33 and 34, from the front and side views of the foil 1, in this embodiment, the outer edge of the shaving contact surface 12 is generally arc-shaped, that is, the contact surface with the user's skin is constructed into a rounded arc shape, so that no matter which direction the foil 1 contacts the skin, the arc-shaped surface will contact the skin without scratching the skin, thereby reducing the situation where adjusting the direction of shaving movement leads to a decrease in shaving comfort.

[0174] Optionally, in the longitudinal direction of the blade mesh 1, the radius of curvature of the arc formed by the outer edge of the shaving contact surface 12 in this embodiment is set between 120mm and 360mm; in the transverse direction F2 of the mesh body, the radius of curvature of the arc formed by the outer edge of the shaving contact surface 12 is set between 2mm and 7.5mm; if the radius of curvature of the arc formed by the outer edge of the shaving contact surface 12 is too small, the contact area between the blade mesh 1 and the skin will be small, and if it is too large, the blade mesh 1 will be easily damaged.

[0175] As shown in Figure 35, in some embodiments, this application also provides a shaving head, specifically a shaving head for a reciprocating shaver. The shaving head includes a housing 2 and a fine shaving unit 3 mounted on the housing 2. The fine shaving unit 3 includes a moving blade and a foil 1 as shown in any of the above embodiments. In some embodiments, the moving blade may be implemented as a moving blade 42.

[0176] Specifically, referring to Figure 34, the blade mesh 1 arches upward to form a receiving area 13. The moving blade is installed in the receiving area 13, and the cutting edge of the moving blade is in contact with the inner wall of the blade mesh 1. Driven by the driving member (not shown), the moving blade can move in contact with the inner wall of the blade mesh 1 to cut the beard or hair that enters the receiving area 13 through the mesh 11.

[0177] In some other embodiments, the shaving head includes multiple shaving units 3, all of which are arranged side by side along the transverse direction of the shaving head. The top height of each shaving unit 3 decreases sequentially from the middle position to both sides. In the longitudinal direction of the shaving head, the top surfaces of the multiple shaving units 3 are collectively constructed into an upwardly arched arc structure, thereby improving the shaving comfort of the shaving razor.

[0178] Referring to Figures 35 and 36, in some other embodiments, the shaving head further includes a coarse shaving unit 4, which is arranged between two adjacent fine shaving units 3. The coarse shaving unit 4 includes a moving intermediate blade 42 and a fixed intermediate blade 41. The fixed intermediate blade 41 is mounted on the housing 2, and the moving intermediate blade 42 is located below the fixed intermediate blade 41, with the cutting edge of the moving intermediate blade 42 in contact with the inner wall of the fixed intermediate blade 41. During shaving, the fixed intermediate blade 41 pushes the beard or hair to both sides, guiding the beard or hair to facilitate shaving and further improve shaving efficiency.

[0179] In this embodiment, the illustrations only show an example where each blade head includes two fine shaving units 3 and a coarse shaving unit 4 disposed between the two fine shaving units 3. It is understood that in other embodiments, the blade head may also have more than two coarse shaving units 4, which are arranged at intervals with the adjacent fine shaving units 3.

[0180] Specifically, the intermediate blade 41 includes a guide contact surface 411 for contacting the skin, and the outer edge of the guide contact surface 411 is also arc-shaped. In the longitudinal direction of the intermediate blade 41, the radius of curvature of the arc formed by the outer edge of the guide contact surface 411 is between 120mm and 360mm to ensure better shaving effect and improve shaving efficiency.

[0181] In some embodiments, the overall structure of the blade mesh 1 can be specifically selected according to actual needs. For example, the overall structure of the blade mesh 1 can be adjusted according to the facial features of users in different regions. Specifically, the overall structure of the blade mesh 1 can be planar, curved, spherical, or other shaped structures.

[0182] In some embodiments, this application also provides a reciprocating shaver, including a handle and a shaving head as shown in any of the above embodiments. The shaving head is mounted on the top of the handle, so that the user can hold the handle to drive the shaving head to move for shaving. In other embodiments, the shaving head and the handle are detachably connected, so that the user can replace the shaving head at any time.

[0183] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0184] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. The protection scope of this application is determined by the appended claims.

Claims

1. A razor, comprising a razor body and a razor head protective cap; The razor body includes a housing and a blade head, the blade head being disposed at a first end of the housing; and, The cutter head protective cover is detachably connected to the first end of the housing to protect the cutter head; The second end of the housing is provided with a protective cover fixing part, which can be detachably connected to the cutter head protective cover.

2. The razor according to claim 1, wherein, The outer contour of the blade head protective cover matches the outer contour of the shaver body, and the blade head protective cover can form a continuous surface with the shaver body when it is closed on the first or second end of the housing.

3. The razor according to claim 1, wherein, The first or second end of the housing is connected to the cutter head protective cover by magnetic attraction, interference fit, snap-fit, or threaded connection.

4. The razor according to claim 3, wherein, When the cutter head protective cover is magnetically connected to the first end, the cutter head protective cover also includes a magnet, which is used to magnetically attract the cutter head.

5. The razor according to claim 3, wherein, The cutter head protective cover also includes a magnetic limiting bracket, which is fixedly connected to the inner wall of the cutter head protective cover. The magnetic limiting bracket has a magnetic limiting groove, and the magnet is disposed in the magnetic limiting groove and is interference-fitted with the magnetic limiting groove.

6. The razor according to claim 4, wherein, The magnet support is provided with a clearance groove surrounding the magnet limiting groove, and the clearance groove is used to avoid the elastic deformation of the side wall of the magnet limiting groove.

7. The razor according to claim 4, wherein, The cutter head protective cover also includes a magnetic baffle, which is fixedly connected to the magnetic limiting bracket. The magnetic baffle is used to limit the magnet to prevent the magnet from dislodging from the magnetic limiting groove.

8. The razor according to claim 7, wherein, The inner wall of the cutter head protective cover is provided with a bracket mounting groove and a baffle mounting groove. The bracket mounting groove is used to install the magnet limiting bracket, and the baffle mounting groove is used to install the magnet baffle.

9. The razor according to claim 4, wherein, When the cutter head protective cover is magnetically connected to the second end of the housing, the second end of the housing is provided with a ferromagnetic component, which is used to magnetically attract the magnet.

10. The razor according to claim 1, wherein, The radial dimension of the protective cover fixing part is smaller than the radial dimension of the cavity of the blade protective cover; The upper distributed Bragg reflector is located between the active layer and the P-type metal contact layer, and the upper distributed Bragg reflector is associated with the second tunnel junction; The surface of the N-type substrate facing away from the N-type buffer layer includes an anode electrode.

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