Shaver
By designing a shaver with a detachable head cover that connects to the housing, the problem of inconvenient storage of electric shaver head covers is solved, improving portability and stability, extending the life of the shaver head, and simplifying the installation of the foil.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- SHANGHAI FLYCO ELECTRICAL APPLIANCE
- Filing Date
- 2025-10-29
- Publication Date
- 2026-05-07
AI Technical Summary
The head cover of an electric shaver is not easy to store, resulting in wasted space and poor portability, and it is also easily affected by the external environment.
Design a shaver with a detachable head cover that is detachably connected to the housing. The cover can be conveniently stored by means of magnetic attraction, snap-on or threaded connection. A cover fixing part is added to the second end of the housing, and the head or foil is magnetically attracted to prevent it from falling off.
It improves the portability and stability of the shaver, extends the life of the shaver head, enhances the user experience and grip comfort, and simplifies the installation and removal of the foil.
Smart Images

Figure CN2025130982_07052026_PF_FP_ABST
Abstract
Description
shaver
[0001] Cross-references to 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; Chinese Patent Application No. 202510010800.X, filed January 3, 2025; and Chinese Patent Application No. 202510658566.1, filed May 21, 2025. The entire contents of all of the above patent applications are incorporated herein by reference. Technical Field
[0003] This application relates to the field of personal care equipment 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] One aspect of this application provides a razor, comprising:
[0007] A razor body includes a housing and a blade head, the blade head being disposed at a first end of the housing; and,
[0008] A cutter head protective cover is detachably connected to the first end of the housing and is configured to protect the cutter head.
[0009] 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.
[0010] In another aspect, this application provides a knife mesh, including a mesh cover body and a plurality of mesh holes distributed on the surface of the mesh cover body, wherein the length direction of the mesh holes forms an angle with the longitudinal direction of the mesh cover body;
[0011] The mesh includes at least a first shaving hole whose length direction forms a first preset angle with the longitudinal direction of the mesh body, and a second shaving hole whose length direction forms a second preset angle with the longitudinal direction of the mesh body, wherein the first preset angle and the second preset angle are different.
[0012] This application also provides a razor that includes a foil as described above.
[0013] Details of various embodiments of the present invention will be described in the following drawings and description. Other features, problems solved, and technical effects of the present invention will be readily understood by those skilled in the art based on the specification, drawings, and claims. Attached Figure Description
[0014] 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.
[0015] 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.
[0016] 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.
[0017] 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.
[0018] 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.
[0019] Figure 5 is a top view of a razor provided in an embodiment of this application.
[0020] Figure 6 is a cross-sectional structural diagram of the razor head protective cover provided in an embodiment of this application.
[0021] Figure 7 is a cross-sectional structural diagram of the razor head in the working state according to an embodiment of this application.
[0022] Figure 8 is a cross-sectional structural diagram of the razor head in the working state according to an embodiment of this application.
[0023] Figure 9 is a cross-sectional structural diagram of the razor head in a non-working state according to an embodiment of this application.
[0024] Figure 10 is a cross-sectional structural diagram of the razor head in a non-working state according to an embodiment of this application.
[0025] Figure 11 is a cross-sectional structural diagram of a razor provided in an embodiment of this application.
[0026] Figure 12 is a magnified view of part A in Figure 11.
[0027] Figure 13 is a cross-sectional view of a razor provided in one embodiment of this application along another direction.
[0028] Figure 14 is a magnified view of part B in Figure 13.
[0029] 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.
[0030] Figure 16 is a partial structural schematic diagram of the razor head assembly provided in an embodiment of this application.
[0031] Figure 17 is a cross-sectional structural diagram of a razor provided in an embodiment of this application.
[0032] Figure 18 is a cross-sectional view of a razor provided in one embodiment of this application from another direction.
[0033] Figure 19 is a schematic diagram showing the position of the screw in a razor provided in an embodiment of this application.
[0034] Figure 20 is a schematic diagram showing the position of the motor in a shaver provided in an embodiment of this application.
[0035] Figure 21 is a cross-sectional view of a shaver provided in an embodiment of this application when no battery is installed.
[0036] Figure 22 is a schematic diagram of the battery installation position of a shaver provided in an embodiment of this application.
[0037] Figure 23 is an unfolded diagram of a knife-net structure in the related art.
[0038] Figure 24 is an enlarged view of part A in Figure 23.
[0039] Figure 25 is an unfolded diagram of another blade mesh structure in the related technology.
[0040] Figure 26 is an enlarged view of part B in Figure 25.
[0041] Figure 27 is a front view of the knife mesh structure in the related technology.
[0042] Figure 28 is a side view of the knife mesh structure in Figure 27.
[0043] Figure 29 is an unfolded view of the blade mesh in one embodiment of this application.
[0044] Figure 30 is an enlarged view of part C in Figure 29.
[0045] Figure 31 is an unfolded view of the blade mesh in another embodiment of this application.
[0046] Figure 32 is an enlarged view of part D in Figure 31.
[0047] Figure 33 is a front view of the knife mesh in Figure 31.
[0048] Figure 34 is a side view of the knife mesh in Figure 31.
[0049] Figure 35 is a perspective view of the blade head in one embodiment of this application.
[0050] Figure 36 is a schematic diagram of the assembly of the coarse shaving unit in one embodiment of this application.
[0051] Figure 37 is a schematic flowchart of a blade mesh processing method in one embodiment of this application.
[0052] Figure 38 is a schematic diagram of the processing of the blade blank in one embodiment of this application.
[0053] Figure 39 is a cross-sectional schematic diagram of the blade mesh in one embodiment of this application. Detailed Implementation
[0054] 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.
[0055] Referring to Figures 1 to 8, an embodiment of this application provides a razor 10, including a razor body 100 and a razor head protective cap 200. The body includes a housing 110 and a razor head 120.
[0056] 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.
[0057] The cutter head protective cover 200 is detachably connected to the first end of the housing 110 and is configured to protect the cutter head 120.
[0058] 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.
[0059] As shown in Figure 1, the shaving 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 shaving head 120 for shaving. A cavity is formed on the shaving head protective cover 200, the volume of which is larger than the volume of the shaving head 120. The shaving head protective cover 200 can be closed on the shaving head 120 and is detachably connected to the shaver body 100, as shown in Figure 2. When the shaving head 120 is not working, the shaving head protective cover 200 can be closed on the first end of the housing 110 to protect the shaving 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 protector 200 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 body 100 of the shaver 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.
[0060] The aforementioned shaver 10, by providing a head protection cover 200, can protect the shaver head 120 from external dust, moisture, or accidental impacts when not in use, thus extending the lifespan of the shaver head 120. 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, thus 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 improving the user experience.
[0061] 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.
[0062] 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.
[0063] In some embodiments, 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.
[0064] In one embodiment, when the cutter head protection cover 200 is magnetically connected to the first end, the cutter head protection cover 200 further includes a magnet 210, which is configured to magnetically attract the cutter head 120.
[0065] 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.
[0066] 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.
[0067] 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. Furthermore, it can be further bonded to the bottom surface of the magnet limiting groove 221 with adhesive. As shown in the figure, there is a gap between the bottom surface of the magnet 210 and 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.
[0068] 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.
[0069] 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.
[0070] 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.
[0071] 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.
[0072] 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.
[0073] 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 configured to magnetically attract the magnet 210. The ferromagnetic component 140 can be a magnet or other ferromagnetic metal part. As shown in FIG. 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 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.
[0074] 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.
[0075] In one embodiment, the assembly of the blade protection cover 200 includes the following steps:
[0076] 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;
[0077] 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.
[0078] 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.
[0079] Referring to Figures 11 to 15, this application also provides a housing sealing structure 101, including a housing 110 and a first seal 1201.
[0080] 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 configured to close the mounting opening. The first seal 1201 includes a body 121 and a sealing part 122, the body 121 and the sealing part 122 are fixedly connected, and the sealing part 122 is elastic and has an interference fit with the mounting opening.
[0081] 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.
[0082] 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.
[0083] 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.
[0084] 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.
[0085] 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 may be a support frame, a motor fastener, a transmission mechanism fastener, a battery and power module fastener, or a control board fastener, 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 is determined by the internal components to be secured. The material of the fastener 144 may be metal, plastic, or organic material, etc. The method of securing the internal components may include one or more methods such as bolt connection, snap-fit, or adhesive bonding.
[0086] 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.
[0087] Therefore, this application also provides a 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. Applying the housing sealing structure 101 to the razor 201 can effectively reduce the assembly difficulty of the razor, improve assembly efficiency, and simultaneously meet the waterproof requirements of the razor. Other structural features of the razor 201 in different embodiments can be found in the preceding descriptions of different embodiments of the razor 10.
[0088] Referring to Figures 16 to 18, one embodiment of this application provides a razor, which includes a razor body, a razor head assembly 202, and a foil assembly 300.
[0089] 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.
[0090] 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 cavity is sealed, air may be trapped inside, creating air pressure resistance and affecting the installation of the magnet. Therefore, an vent is provided on the adsorption cavity to allow air to escape smoothly, reducing installation resistance, ensuring a tight fit between the first adsorption component 231 and the cavity wall, improving installation accuracy and firmness, and also enhancing the ease of disassembly, preventing the first adsorption component 231 from being difficult to remove due to air pressure trapping. If glue or adhesive is used to fix the first adsorption component 231, the vent allows air to escape, preventing air bubbles from forming during the glue curing process, thereby enhancing the bonding effect and improving installation stability. 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 adsorption area and sufficient adsorption force.
[0091] 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.
[0092] In one embodiment, the first adsorption member 231 is interference-fitted with the adsorption member receiving cavity. In this embodiment, the cross-sectional dimension of the first adsorption member 231 is larger than the cross-sectional dimension of the adsorption member receiving cavity, and a certain amount of interference is formed between them. During the assembly process, the first adsorption member 231 can be pressed into the adsorption member receiving cavity by applying mechanical pressure, or the interference fit can be achieved by hot assembly or cold assembly, which can save space and materials while achieving a tight fit and improving the portability of the shaver.
[0093] 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.
[0094] In one embodiment, both the first adsorption element 231 and the second adsorption element are magnets, and the opposing surfaces of the first adsorption element 231 and the second adsorption element have opposite magnetic properties; or one of the first adsorption element 231 and the second adsorption element is a magnet, and the other is a ferromagnetic metal part.
[0095] 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.
[0096] Referring to Figure 18, in one embodiment, a mounting bracket 134 is provided inside the housing 110. The mounting bracket 134 is used to fix and support the internal components of the shaver, such as the motor 1202, battery 143, and control board. The mounting bracket 134 has a motor mounting slot 131, in which the motor 1202 is disposed and fixedly connected to the mounting bracket 134 via a connector. The mounting bracket can be a one-piece frame structure, containing multiple fixing parts for mounting components such as the motor 1202, battery 143, and control board; 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. The mounting bracket 134 may have a guide groove for easy 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 mounting bracket and the component to be connected can be connected by a connector, such as a screw 133, a clip, or a flexible clamp.
[0097] Referring to Figure 19, in one embodiment, the surface of the motor 1202 opposite to the motor mounting slot 131 is provided with a plurality of first screw holes, and the mounting bracket 134 is provided with a plurality of second screw holes corresponding to the positions of the first screw holes. The connector includes screws 133, which pass through the second screw holes and the first screw holes in sequence to fix the motor 1202 to the mounting bracket 134. The first screw holes are pre-drilled holes on the motor 1202 housing for easy installation. The positions of the second screw holes on the mounting bracket 134 match the positions of the first screw holes. The screw 133 provides a highly reliable connection, is suitable for high-speed motors 1202, and is versatile, easy to disassemble and assemble, and convenient for maintenance and replacement of the motor 1202.
[0098] 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.
[0099] 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.
[0100] 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.
[0101] Reciprocating electric shavers typically have hexagonal or quadrilateral mesh openings, with the overall structure being elongated and aligned longitudinally. However, the direction in which beard hairs or stubble fall on the skin is not fixed. This means that some hairs or stubble that are not parallel to the longitudinal direction of the mesh cannot easily enter the mesh. Even if the direction in which the beard hairs or stubble fall is parallel or roughly parallel to the longitudinal direction of the mesh, if the direction of the shaver's movement is not parallel to the longitudinal direction of the mesh, the hair will still have difficulty entering the mesh and being shaved, thus affecting hair removal efficiency.
[0102] The embodiments of this application will be further described in detail below with reference to Figures 23-36.
[0103] Referring to Figure 29, one embodiment of this application provides a blade mesh 1, such as a mesh 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.
[0104] Specifically, the blade net 1 includes a mesh cover body and mesh holes 11 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.
[0105] 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.
[0106] 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.
[0107] As shown in Figures 23 to 26, in related technologies, the mesh 11 of the blade net 1 of a reciprocating electric shaver is mostly a flat, 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 whisker feeding operation.
[0108] However, when the mesh 11 of the razor 1 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 is still difficult to enter the mesh 11, and there will still be a problem of low shaving and hair removal efficiency.
[0109] 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.
[0110] 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.
[0111] 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.
[0112] 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.
[0113] 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.
[0114] 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.
[0115] 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.
[0116] Optionally, the length directions of the first shaving hole 117, the second shaving hole 118, and the third shaving hole 119 are roughly evenly distributed in the circumferential direction, 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.
[0117] 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.
[0118] 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.
[0119] 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.
[0120] 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.
[0121] To address this issue, in this embodiment, the outer surface of the razor 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 razor foil 1, in this embodiment, the outer edge of the shaving contact surface 12, i.e. the contact surface that comes into contact with the user's skin, is constructed into a rounded arc shape in at least one direction, so that the arc-shaped surface of the razor foil 1 contacts the skin without scratching it, thereby reducing the possibility of reduced shaving comfort due to adjusting the direction of razor movement.
[0122] In some embodiments, 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 blade foil 1 contacts the skin, the arc-shaped surface will contact the skin without scratching the skin, thereby reducing the possibility of reduced shaving comfort due to adjusting the direction of shaving movement.
[0123] Optionally, in the longitudinal direction of the foil 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; on the transverse direction F2 of the foil body perpendicular to the longitudinal direction, 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 foil 1 and the skin will be small; if it is too large, the foil 1 will be easily damaged.
[0124] As shown in Figure 35, in some embodiments, this application also provides a shaving head, such as a shaving head for a reciprocating shaver, the shaving head including a shaving frame 2 and a fine shaving unit 3 mounted on the shaving frame 2, the fine shaving unit 3 including 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.
[0125] 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.
[0126] 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.
[0127] 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 shaving frame 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.
[0128] 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.
[0129] 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.
[0130] 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.
[0131] This application also provides a razor including the blade foil 1 of any of the above embodiments.
[0132] Furthermore, in some embodiments, the blade head 120 of the razor 10 as described above includes the foil 1 of any of the embodiments described above.
[0133] In one embodiment, this application also provides a method for processing bladed wire. It is understood that this method can be applied to the manufacturing of the bladed wires described in the above embodiments.
[0134] In one embodiment, as shown in Figures 37-39, the blade mesh processing method includes steps S21 to S23.
[0135] Step S21: Process the cutter blank 6 to form the cutter positioning hole 5, and position the cutter blank 6 based on the positioning hole 5.
[0136] Step S22: Etch the blank material 6 to form the cutter mesh clearance groove 23.
[0137] Step S23: Stamp the blank 6 to form the cutter 1.
[0138] In step S21, the blank material 6 is first placed into a stamping die for stamping, so that the blank material 6 is stamped into a plate-shaped structure. Positioning holes 5 are machined at the edges of the plate-shaped blank material 6. Then, using the positioning holes 5, the positions of the clearance groove 23 and the mesh openings 22 are pre-positioned on the surface of the blank material 6, thus obtaining the pre-set positions of the clearance groove 23 and the mesh openings 22 for precise positioning of the etched areas in the subsequent etching process. The edge spacing between the clearance groove 23 and the mesh openings 22 effectively reduces the friction between the blank material and the blade by setting the clearance groove 23.
[0139] In step S22, the knife mesh clearance groove 23 and mesh 22 are etched on the knife mesh blank 6 by etching process. The material is removed by chemical corrosion. That is, the etching process is used to process the knife mesh clearance groove 23 without the use of mold. The etching process is simple and the groove edge is burr-free, which can save the deburring process and improve the processing efficiency.
[0140] In step S23, the blank 6 of the blade mesh, which has been processed with the blade mesh clearance groove 23 and mesh 22, is stamped again, and the blade mesh 1 part is separated from the whole blade mesh blank 6 and further processed to finally form the finished blade mesh 1.
[0141] Step S22 specifically includes steps S221 to S223.
[0142] Step S221: Apply the protective film according to the preset positions of the blade mesh clearance groove 23 and mesh 22.
[0143] Step S222: Spray etching solution onto the inner surface 20 of the cutter mesh to form the cutter mesh clearance groove 23.
[0144] Step S223: Spray etching solution onto the skin-friendly surface 21 of the blade mesh 1 to process and form mesh holes 22.
[0145] In step S221, the preset position of the knife mesh clearance groove 23 is positioned on the inner surface of the knife mesh blank 6, which has been stamped into a plate-like structure in step S21, with the knife mesh positioning hole 5 as the reference. Then, a perforated protective film is pasted on the inner surface of the knife mesh blank 6 according to the preset position. The perforated area is the preset position of the knife mesh clearance groove 23. The protective film can effectively protect the metal inside the film from corrosion, while the perforated area will be corroded by the etching solution, thereby forming the knife mesh clearance groove 23 on the inner surface of the knife mesh blank 6.
[0146] On the skin-friendly surface 21 of the die-cutting blank 6, which has been stamped into a plate-like structure in step S21, the preset positions of the mesh holes 22 are positioned with the die-cutting positioning holes 5 as a reference. Then, a perforated protective film is pasted onto the skin-friendly surface 21 of the die-cutting blank 6 according to the preset positions. The perforated areas are the preset positions of the mesh holes 22. Similarly, the protective film can effectively protect the metal inside the film from corrosion, while the perforated areas will be corroded by the etching solution, thereby etching the mesh holes 22 penetrating the die-cutting blank 6 on the skin-friendly surface 21.
[0147] In step S222, according to the processing requirements of the cutter mesh clearance groove 23, etching solution is sprayed onto the inner surface 20 of the cutter mesh for etching until the clearance groove 23 on the inner surface of the cutter mesh blank 6 (the processed inner surface 20 of the cutter mesh) reaches the preset depth. Then the etched cutter mesh blank 6 is cleaned for further processing.
[0148] In step S223, according to the processing requirements of the mesh 22, etching solution is sprayed onto the outer surface of the blade mesh 1 for etching until the mesh 22 of the outer surface of the blade mesh blank 6 (the skin-friendly surface 21 of the processed blade mesh 1) penetrates the blade mesh blank 6 and reaches the preset aperture. Then, the etched blade mesh blank 6 is cleaned for further processing. The above embodiments only illustrate several implementation methods of this application, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the patent application. It should be noted that for those skilled in the art, several modifications and improvements can be made 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 includes a housing and a blade head, the blade head being disposed at a first end of the housing; and, A cutter head protective cover is detachably connected to the first end of the housing and is configured 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 cutter head protective cover also includes a magnet configured to magnetically attract the cutter head.
3. The razor according to claim 2, wherein, A ferromagnetic component is provided at the second end of the housing, and the ferromagnetic component is configured to magnetically attract the magnet.
4. The razor according to claim 1, wherein, The razor also includes a first seal. The housing includes a receiving cavity, and a mounting opening is provided at the first end of the housing. The first seal is detachably connected to the housing and configured to close the mounting opening; the first seal includes a body and a sealing portion, the body is fixedly connected to the sealing portion, and the sealing portion is elastic and interference-fitted with the mounting opening.
5. The razor according to claim 1, wherein, The cutter head includes a cutter mesh, which includes a mesh cover body and a plurality of mesh holes distributed on the surface of the mesh cover body. The length direction of the mesh holes forms an angle with the longitudinal direction of the mesh cover body. The mesh includes at least a first shaving hole whose length direction forms a first preset angle with the longitudinal direction of the mesh body, and a second shaving hole whose length direction forms a second preset angle with the longitudinal direction of the mesh body, wherein the first preset angle and the second preset angle are different.
6. The razor according to claim 5, wherein, The mesh also includes a third shaving hole whose length direction forms a third preset angle with the longitudinal direction of the mesh body, and the third preset angle is different from both the first preset angle and the second preset angle.
7. The razor according to claim 5 or 6, wherein, The ratio of the major diameter to the minor diameter of the mesh is greater than 1.
8. The razor according to claim 5 or 6, wherein, The mesh is constructed in at least one of a polygonal structure or an elliptical structure.
9. The razor according to claim 5 or 6, wherein, The foil includes a shaving contact surface for contact with the skin, and the outer edge of the shaving contact surface is arc-shaped along the longitudinal direction of the foil.
10. The razor according to claim 9, wherein, In the longitudinal direction of the blade foil, the radius of curvature of the arc formed by the outer edge of the shaving contact surface is between 120mm and 360mm.
11. The razor according to claim 5 or 6, wherein, In the transverse direction perpendicular to the longitudinal direction of the blade foil, the outer edge of the shaving contact surface is arc-shaped, and the radius of curvature of the arc formed by the outer edge of the shaving contact surface is between 2mm and 7.5mm.
12. The razor according to claim 11, wherein, The blade mesh arches upward to form a receiving area, and the blade head includes a moving blade, which is installed within the receiving area, with the cutting edge of the moving blade fitting against the inner wall of the blade mesh.
13. The razor according to claim 12, wherein, The blade head includes multiple fine shaving units, each fine shaving unit including the moving blade and the blade foil. The fine shaving units are arranged side by side along the transverse direction of the blade head, and the top height of each fine shaving unit decreases sequentially from the middle position to both sides.
14. The razor according to claim 13, wherein, The blade head also includes a coarse shaving unit. Along the transverse direction of the blade head, the coarse shaving unit is disposed between two adjacent fine shaving units. The coarse shaving unit includes a fixed intermediate blade and a moving intermediate blade. The fixed intermediate blade includes a guide surface for contacting the skin, and the outer edge of the guide surface is arc-shaped.
15. The razor according to any one of claims 5-14, wherein, The blade mesh processing method includes: The blank material is processed to form positioning holes, and the blank material is positioned based on the positioning holes; The blank material for the cutting mesh is etched to form clearance grooves and mesh openings. The blank is stamped to form the blade.
16. The razor according to claim 15, wherein, The etching process for the blank material to form the clearance groove of the cutter mesh includes: Affix a protective film according to the preset positions of the blade mesh clearance groove and the mesh opening; Etching solution is sprayed onto the inner surface of the blade mesh to form the clearance groove of the blade mesh; Etching solution is sprayed onto the skin-friendly surface of the mesh to form the mesh openings.
17. 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.
18. A knife mesh, comprising a mesh cover body and a plurality of mesh holes distributed on the surface of the mesh cover body, wherein the length direction of the mesh holes forms an angle with the longitudinal direction of the mesh cover body; in, The mesh includes at least a first shaving hole whose length direction forms a first preset angle with the longitudinal direction of the mesh body, and a second shaving hole whose length direction forms a second preset angle with the longitudinal direction of the mesh body, wherein the first preset angle and the second preset angle are different.
19. The blade mesh according to claim 18, wherein, The foil includes a shaving contact surface for contact with the skin, and the outer edge of the shaving contact surface is arc-shaped along the longitudinal direction of the foil.
20. The blade mesh according to claim 19, wherein, In the longitudinal direction of the blade foil, the radius of curvature of the arc formed by the outer edge of the shaving contact surface is between 120mm and 360mm.
Citation Information
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