CN214981204U - Blade, cutting unit, shaver head and electric shaver - Google Patents

Abstract

The application provides a blade, a cutting unit, a shaver head and an electric shaver; the blade includes the cutter body, and the one end of cutter body has the cutting face, and one side of cutting face has the cutting edge, and the blade still includes the blade disc that has magnetism nature, and the cutter body is installed on the blade disc. The utility model provides a blade has magnetism through the use and inhales the blade disc of performance, and installs the cutter body on the blade disc, and when the blade was cracked, cracked piece can be adsorbed by blade disc magnetism to avoid the piece to stretch out from the cutter mesh, and then avoid the scratch user, with the security that promotes the use. The electric shaver, the shaver head and the cutting unit using the blade have high safety, long service life and high cutting efficiency.

Description

Blade, cutting unit, shaver head and electric shaver

Technical Field

The application belongs to the technical field of shavers, and more specifically relates to a blade, a cutting unit, a shaver head and an electric shaver.

Background

The electric shaver is convenient to carry and use, and is favored by users. Electric shavers typically drive blades in a foil to rotate so that the blades engage the inner surface of the shaving track to cut hair. The sharpness of the blade directly affects the cutting efficiency. The harder and sharper the blade, but the more brittle the blade, the more fragile the blade is, and the broken pieces have a great safety risk, on the one hand, the broken pieces may fly out of the blade net and cut the human body, and on the other hand, the broken pieces may cause damage to the blade during high-speed operation and may break the blade and cause a greater safety risk.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide a blade, cutting element, razor head and electric shaver to solve the cracked piece of ceramic blade that exists among the prior art and have the problem of very big potential safety hazard.

In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions: the blade comprises a blade body, wherein one end of the blade body is provided with a cutting surface, one side of the cutting surface is provided with a cutting edge, the blade further comprises a cutter disc with magnetic attraction performance, and the blade body is installed on the cutter disc.

In an optional embodiment, the cutter head is doped with permanent magnetic particles with permanent magnetism.

In an alternative embodiment, the permanent magnetic particles include one or more of alnico-based permanent magnetic alloy particles, ferrochrome-cobalt-based permanent magnetic alloy particles, permanent magnetic ferrite particles, and rare earth permanent magnetic material particles.

In an optional embodiment, the surface of the cutter head is provided with a magnetic absorption layer with permanent magnetism.

In an optional embodiment, the magnetic absorption layer is an aluminum-nickel-cobalt permanent magnet alloy coating, an iron-chromium-cobalt permanent magnet alloy coating, a permanent magnetic ferrite coating or a rare earth permanent magnet material coating.

In an optional embodiment, the cutter head is a permanent magnet cutter head made of a permanent magnet material.

In an alternative embodiment, the body is a ceramic body that can be magnetically attracted.

In an alternative embodiment, the ceramic body is doped with magnetically attractable particles that can be magnetically attracted.

In an alternative embodiment, the magnetically attracted particles are permanent magnetic particles.

In an alternative embodiment, the magnetically attracted particles are soft magnetic particles.

In an alternative embodiment, the soft magnetic particles comprise one or more of iron-silicon alloy particles, soft magnetic ferrite particles, nickel-iron alloy particles, and iron-cobalt alloy particles.

In an optional embodiment, the peripheral side surface of the ceramic cutter body is provided with a magnetic coating capable of being magnetically attracted.

In an optional embodiment, the magnetically attractive coating is a permanent magnetic coating with permanent magnetism; or the magnetic absorption layer is a soft magnetic coating with soft magnetism.

In an alternative embodiment, the cutter head is a ceramic piece or an injection molding piece.

It is another object of an embodiment of the present application to provide a cutting unit, which includes a blade mesh and the blade of any one of the above embodiments, wherein the blade mesh is disposed on the blade.

It is another object of an embodiment of the present invention to provide a razor head, which includes a housing and a transmission mechanism installed in the housing, and further includes a cutting unit according to the above embodiment, wherein the blade net is installed on the top of the housing, and the blade is connected to the transmission mechanism.

It is a further object of an embodiment of the present invention to provide an electric shaver comprising a handle and a shaving head as in the previous embodiments, the housing of the shaving head being mounted on the handle.

The blade, the cutting unit, razor head and electric shaver that this application embodiment provided's beneficial effect lies in: compared with the prior art, the blade of this application has the blade disc of magnetic attraction ability through the use, and installs the cutter body on the blade disc, and when the blade was cracked, cracked piece can be adsorbed by blade disc magnetism to avoid the piece to stretch out from the cutter mesh, and then avoid the scratch user, in order to promote the security of using. The electric shaver, the shaver head and the cutting unit using the blade have high safety, long service life and high cutting efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of an electric shaver according to an embodiment of the present application;

fig. 2 is an exploded view of a razor head according to an embodiment of the present application;

fig. 3 is a front view of a cap and a cutting unit of a shaving head according to an embodiment of the present application;

fig. 4 is a schematic perspective view of a blade according to an embodiment of the present application;

FIG. 5 is an exploded view of the blade shown in FIG. 4;

FIG. 6 is a cross-sectional structural view of the blade body of FIG. 4;

FIG. 7 is a cross-sectional structural view of a blade provided in accordance with yet another embodiment of the present application;

FIG. 8 is a cross-sectional structural view of a blade provided in accordance with yet another embodiment of the present application;

FIG. 9 is a perspective view of a blade according to yet another embodiment of the present application;

FIG. 10 is a cross-sectional structural view of the blade shown in FIG. 9;

FIG. 11 is a cross-sectional structural view of a blade provided in accordance with yet another embodiment of the present application;

fig. 12 is an exploded view of a bottom housing and a transmission mechanism of a razor head according to an embodiment of the present application;

fig. 13 is a schematic structural view of a bottom shell and a transmission mechanism portion of a razor head according to yet another embodiment of the present application;

fig. 14 is a first exploded view of a bottom housing and a transmission mechanism of a razor head according to another embodiment of the present application;

fig. 15 is a second exploded schematic view of a bottom housing and a transmission mechanism of a razor head according to another embodiment of the present application.

Wherein, in the drawings, the reference numerals are mainly as follows:

100-an electric shaver;

10-a shaving head; 11-a housing; 111-a top cover; 112-a bottom shell; 12-a cutting unit; 121-knife net; 122-a blade; 1221-a cutter body; 12211-a cutting face; 12212-a blade edge; 1222-a cutter head; 1223-magnetically attractable coating; 1224-magnetically attractable particles; 1225-magnetic attraction layer; 1226-permanent magnetic particles; 13-a transmission mechanism; 131-a transmission shaft; 14-magnetic attraction structure; 141-a magnetic member; 1411-a first magnetic member; 1412-a second magnetic piece; 1413-a third magnetic member; 142-a magnetic attachment; 1421 — permanent magnet; 1422-electromagnet; 143-cover plate; 1431-open the hole;

20-handle.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Reference throughout this specification to "one embodiment," "some embodiments," or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1, an electric shaver 100 according to an embodiment of the present invention includes a handle 20 and a shaver head 10, wherein the shaver head 10 is mounted on the handle 20, and the shaver head 10 is supported by the handle 20.

Referring to fig. 2 and 3, the shaving head 10 includes a housing 11, a cutting unit 12, and a transmission mechanism 13. A cutting unit 12 is mounted on the top of the housing 11 for cutting hair. The transmission mechanism 13 is installed in the cabinet 11, and the transmission mechanism 13 is supported and protected by the cabinet 11. The transmission mechanism 13 is used to drive the cutting unit 12 so that the cutting unit 12 cuts hair.

Referring to fig. 2 and 3, the cutting unit 12 includes a blade net 121 and a blade 122, and the blade net 121 covers the blade 122 to cut hair by the blade 122 cooperating with the blade net 121. In use, the blade 122 is installed in the blade net 121, the blade 122 is connected to the transmission mechanism 13, and the transmission mechanism 13 drives the blade 122 to rotate, so that the blade 122 rotates in the blade net 121, and the blade 122 and the blade net 121 cooperate to cut hair. The knife net 121 is installed on the top of the cabinet 11 to support and position the knife net 121 through the cabinet 11.

Referring to fig. 4 to 6, the cutter blade 122 includes a cutter head 1222 and a cutter body 1221, and the cutter body 1221 is mounted on the cutter head 1222 to support the cutter body 1221 through the cutter head 1222. The cutter body 1221 has a cutting surface 12211 at one end thereof, the cutting surface 12211 is located on an end surface of the cutter body 1221 at an end thereof remote from the cutter head 1222, and a cutting edge 12212 is provided on one side of the cutting surface 12211 for cutting. The cutter body 1221 is used, so that the cutter is high in hardness, sharper, high in cutting efficiency and long in service life. The cutter 1222 is magnetic so that when the cutter 1221 is broken, the resulting fragments are magnetically attracted to the cutter 1222. So as to prevent the fragments generated by the fragmentation of the cutter body 1221 from extending out of the cutter mesh 121, and further prevent the fragments from scratching the user, and ensure the use safety.

Compared with the prior art, the blade 122 provided by the application, the blade 122 of this application, through using the blade disc 1222 that has magnetic attraction ability, and install cutter body 1221 on blade disc 1222, when the blade 122 is cracked, cracked piece can be by blade disc 1222 magnetic adsorption to avoid the piece to stretch out from the blade net 121, and then avoid the scratch user, with the security of promoting the use. The electric shaver 100, the shaver head 10 and the cutting unit 11 using the blade 122 are high in safety, long in life and high in cutting efficiency.

Compared with the prior art, the razor head 10 provided by the application uses the blade 122 of the embodiment, so that the broken fragments of the blade 122 can be prevented from extending out of the knife net 121, the user is prevented from being scratched, and the use safety is ensured.

Compared with the prior art, the electric shaver 100 provided by the application uses the shaver head 10 of the embodiment, can use the sharper blade 122, and can scratch a user by the broken fragments of the blade 122, so that the safety is high.

In one embodiment, referring to fig. 6, the cutter 1222 is doped with permanent magnetic particles 1226 having permanent magnetism, that is, the material of the cutter 1222 is mixed with the permanent magnetic particles 1226, so that the cutter 1222 can be made to have permanent magnetism, so that the cutter 1222 magnetically attracts the fragments of the blade 122.

In one embodiment, the volume content of the permanent magnetic particles 1226 in the cutter 1222 is in a range of 1% to 25%, i.e., the volume content of the mixed permanent magnetic particles 1226 in the material of which the cutter 1222 is made is in a range of 1% to 25%. The larger the content of the doped permanent magnetic particles 1226 is, the stronger the magnetic attraction capability of the cutter head 1222 is; the smaller the content of the doped permanent magnetic particles 1226 is, the weaker the magnetic attraction capability of the cutter head 1222 is. The volume content range of the mixed permanent magnetic particles 1226 in the material of the cutter 1222 is 1% -25%, so that the manufactured cutter 1222 has good magnetic attraction capability, and the manufactured cutter 1222 has good structural strength.

In one embodiment, permanent magnet particles 1226 include one or more of particles of an alnico-based permanent magnet alloy, particles of an iron-chromium-cobalt-based permanent magnet alloy, particles of a permanent magnetic ferrite, and particles of a rare earth permanent magnet material. Thus, the manufactured permanent magnetic particles 1226 have permanent magnetism after being magnetized.

In one embodiment, the cutter 1222 may be made of a ceramic material, i.e., the cutter 1222 is made of a ceramic material, so as to ensure a good hardness of the cutter 1222. For example, the permanent magnet particles 1226 may be mixed in the ceramic material of the cutter 1222 to make the cutter 1222 magnetic. When the blade disc 1222 is made of ceramic material, the blade disc 1222 and the cutter body 1221 can be separately made, and then the cutter body 1221 is fixed on the blade disc 1222. Of course, in some embodiments, the cutter 1222 may also be a permanent magnetic cutter made of permanent magnetic material.

In one embodiment, the cutter 1222 may also be made of plastic, i.e., the cutter 1222 is a plastic part. For example, the permanent magnetic particles 1226 may be mixed with the plastic material of the cutter 1222 to make the cutter 1222 magnetic.

In an embodiment, when the cutter 1222 is made of a plastic material, the cutter 1221 is installed on the cutter 1222, so that the position accuracy of the cutter 1221 on the cutter 1222 and the size accuracy of the cutter 1222 can be ensured, for example, the coaxiality of the blades 122 can be better ensured, the weight distribution of the cutter 1222 can be better ensured to be uniform, the vibration of the blades 122 during high-speed rotation can be reduced, the running noise can be reduced, and the service life can be prolonged.

In an embodiment, when the cutter 1222 is made of plastic, the cutter 1222 and the cutter 1221 are molded as an integral structure, that is, the cutter 1221 is molded as an integral structure with the cutter 1222 by injection molding, for example, when the cutter 1222 is molded by injection molding, the cutter 1221 can be placed in a mold, when the cutter 1222 is molded by injection molding, the cutter 1221 is integrally fixed on the cutter 1222, so that the cutter 1221 and the cutter 1222 form an integral structure, the connection strength between the cutter 1222 and the cutter 1221 is ensured, and the position accuracy of the cutter 1221 on the cutter 1222 and the size accuracy of the cutter 1222 are ensured, for example, the coaxiality of the blade 122 can be better ensured, the weight distribution of the cutter 1222 can be better ensured to be uniform, the vibration of the blade 122 during high-speed rotation is reduced, the operation noise is reduced, and the service life is prolonged. In addition, the plastic cutter 1222 has better toughness and better impact resistance, and particularly, compared with the structure that a plastic seat or a plastic film is arranged on the ceramic cutter 1222 in the related art, the plastic cutter 1222 can avoid the problems of collapse, fracture and the like of the cutter 1222 caused by external forces such as falling in the manufacturing and using processes; in addition, since the cutter 1222 is made by plastic injection molding, it is possible to make more complicated shapes, which facilitates the shape design of the blades 122, such as making more transmission forms by using the plastic cutter 1222.

In other embodiments, can be with cutter body 1221 cartridge on blade disc 1222 to realize that cutter body 1221 and blade disc 1222's plug are connected, make things convenient for the installation of cutter body 1221 promptly like this, can conveniently change cutter body 1221 again.

In one embodiment, the cutter body 1221 may be magnetically attracted, such that when the cutter body 1221 is fractured, the resulting pieces may be magnetically attracted.

In one embodiment, the cutter body 1221 may be a metal member, so that the cutter body 1221 may be magnetically attracted, and fragments generated when the cutter body 1221 is broken may be magnetically attracted.

In one embodiment, the cutter body 1221 may be a ceramic cutter body that may be magnetically attracted, such that the cutter body 1221 is relatively hard, long-lived, relatively sharp, and efficient.

In an embodiment, the cutter body 1221 can be made of ceramic alone, and then the cutter head 1222 is installed thereon, so that the complexity of making the cutter body 1221 can be reduced, the making accuracy of the cutter body 1221 can be ensured, the making accuracy of the blade 122 can be ensured, the structure of the mold can be simplified, the making accuracy of the mold can be improved, the making accuracy of the cutter body 1221 can be improved, the cost of the mold can be reduced, and the making efficiency and the service life of the mold can be improved.

In one embodiment, referring to fig. 6, a magnetic attraction coating 1223 capable of being magnetically attracted is disposed on the circumferential side of the cutter body 1221, and the magnetic attraction coating 1223 is disposed on the circumferential side of the cutter body 1221, so that the cutter body 1221 can be magnetically attracted. The magnetic attraction coating 1223 is arranged on the peripheral side surface of the cutter body 1221, and the magnetic attraction coating is simple to manufacture and low in cost. The magnetically attractable coating 1223 is a coating made of a magnetically attractable material. The magnetically attractive coating 1223 is disposed on the peripheral side surface of the cutter body 1221, so that the magnetically attractive coating 1223 can be prevented from covering the cutting surface 12211 and the cutting edge 12212 of the cutter body 1221, the cutting edge 12212 of the cutter body 1221 can be ensured to be sharp, and the cutting efficiency can be ensured.

In one embodiment, the magnetically attractive coating 1223 is a permanent magnetic coating having permanent magnetic properties, i.e., a coating made of a permanent magnetic material. With the permanent magnet coating, the broken pieces of the cutter body 1221 can be magnetically absorbed by the cutter body 1221 first, thereby avoiding scratching a user. The broken pieces of the cutter 1221 can also be absorbed by the cutter 1222 to avoid scratching the user.

In one embodiment, the permanent magnet coating is an aluminum nickel cobalt system permanent magnet alloy coating, an iron chromium cobalt system permanent magnet alloy coating, a permanent magnetic ferrite coating, or a rare earth permanent magnet material coating. Thus, the manufactured permanent magnetic coating has permanent magnetism after being magnetized.

In one embodiment, the magnetically attractive coating 1223 is a soft magnetic coating with soft magnetism, i.e., the magnetically attractive coating 1223 is a coating made of a soft magnetic material. With soft magnetic coatings, the broken pieces of the cutter body 1221 can also be attracted by the cutter head 1222 to avoid scratching the user.

In one embodiment, the soft magnetic coating is an iron silicon alloy coating, a soft magnetic ferrite coating, a nickel iron based alloy coating, or an iron cobalt based alloy coating. So that the manufactured cutter body 1221 can be magnetically attracted.

In one embodiment, referring to fig. 7, a magnetic attraction layer 1225 having permanent magnetism is disposed on the surface of the cutter 1222, so that the cutter 1222 is magnetic by disposing the magnetic attraction layer 1225 on the surface of the cutter 1222. The magnetic attraction layer 1225 is arranged on the surface of the cutter 1222, so that the cutter is simple to manufacture and low in cost. The magnetic layer 1225 with permanent magnetism is a coating made of a material with permanent magnetism.

In one embodiment, the permanent magnet layer is an aluminum nickel cobalt permanent magnet alloy coating, an iron chromium cobalt permanent magnet alloy coating, a permanent magnetic ferrite coating, or a rare earth permanent magnet material coating. Thus, the manufactured permanent magnetic coating has permanent magnetism after being magnetized.

In one embodiment, referring to fig. 8, the cutter 1222 and the cutter 1221 can be fabricated separately, and the cutter 1221 can be mounted on the cutter 1222. The complexity of cutter body 1221 preparation can be reduced to guarantee cutter body 1221's preparation precision, and then guarantee blade 122's preparation precision, the structure of mould can also be simplified, promote the preparation precision of mould, and then promote cutter body 1221's preparation precision, reduce the cost of mould, promote the life of preparation efficiency and mould.

In one embodiment, the surface of the cutter head 1222 is provided with a magnetic layer 1225 having permanent magnetism, and the cutter body 1221 may be a ceramic cutter body capable of being magnetically attracted, so that the hardness and cutting efficiency of the cutter body 1221 can be ensured. And the broken piece of cutter body 1221 can be adsorbed by blade disc 1222, is convenient for the processing preparation of blade disc 1222.

In one embodiment, the cutter 1222 may be made of ceramic or plastic, and after the cutter 1222 is made, a magnetic layer 1225 is attached to the surface of the cutter 1222, so that the cutter 1222 is magnetic.

In one embodiment, referring to fig. 8, the cutter body 1221 is doped with magnetically attractable particles 1224, i.e., the cutter body 1221 is made of a ceramic material mixed with magnetically attractable particles 1224, such that the manufactured cutter body 1221 can be magnetically attracted.

In one embodiment, the volume content of the magnetically attractable particles 1224 in the cutter body 1221 is in a range of 1% to 25%, i.e., the volume content of the magnetically attractable particles 1224 mixed in the ceramic material used to make the cutter body 1221 is in a range of 1% to 25%. The larger the content of the doped magnetically attracted particles 1224 is, the stronger the magnetically attracted capability of the cutter body 1221 is, and the easier the magnetically attracted particles are; the smaller the content of the doped magnetically attractable particles 1224, the weaker the ability of the cutter body 1221 to be magnetically attracted. The volume content range of the magnetic particles 1224 mixed in the ceramic material is 1-25%, so that the ceramic part has good magnetic attraction capability and good structural strength.

In one embodiment, the magnetically attractive particles 1224 are permanent magnetic particles, i.e., the magnetically attractive particles 1224 are powder particles made of a permanent magnetic material. With the use of permanent magnetic particles, the broken pieces of the cutter body 1221 can be magnetically attracted by the cutter body 1221 or the cutter head 1222 to avoid scratching a user.

In one embodiment, the permanent magnet particles comprise one or more of particles of an alnico-based permanent magnet alloy, particles of an iron-chromium-cobalt-based permanent magnet alloy, particles of a permanent magnetic ferrite, and particles of a rare earth permanent magnet material. Thus, the manufactured permanent magnetic particles have permanent magnetism after being magnetized.

In one embodiment, the magnetically attractive particles 1224 are soft magnetic particles, i.e., the magnetically attractive particles 1224 are powder particles made of a soft magnetic material. The broken pieces of the cutter body 1221 can be magnetically attracted by the cutter body 1221 or the cutter head 1222 to avoid scratching a user.

In one embodiment, the soft magnetic particles comprise one or more of iron silicon alloy particles, soft magnetic ferrite particles, nickel iron based alloy particles, and iron cobalt based alloy particles. So that the produced soft magnetic particles can be magnetically adsorbed.

In one embodiment, referring to fig. 9 and 10, when the cutter 1222 is made of a ceramic material, the cutter 1222 and the cutter 1221 are made of the same material, which facilitates manufacturing materials and reduces costs. For example, the cutter 1222 and the cutter 1221 may be made of ceramic materials mixed with permanent magnetic materials. Thus, the permanent magnetic material in the cutter 1222 is the permanent magnetic particles 1226, and the permanent magnetic material in the cutter 1222 is the magnetic particles 1224.

In one embodiment, referring to fig. 11, when the cutter disk 1222 and the cutter body 1221 are integrally formed by the same material, a magnetic attraction layer having magnetism may be disposed on the surface of the blade 122 in a region outside the cutting surface 12211, a portion of the magnetic attraction layer corresponding to the surface of the cutter disk 1222 constitutes the magnetic attraction layer 1225, and a portion of the magnetic attraction layer corresponding to the circumferential side surface of the cutter body 1221 constitutes the magnetic attraction coating layer 1223. The structure can facilitate processing and manufacturing, and a magnetic adsorption layer is arranged on the surface of the blade 122 conveniently.

In one embodiment, referring to fig. 2 and 3, the razor head 10 further includes a magnetic structure 14 installed in the housing 11, and the magnetic structure 14 is supported and protected by the housing 11. The magnetic attraction structure 14 is used for magnetically attracting the fragments generated by the fracture of the blade 122, that is, when the blade 122 is fractured, the generated fragments can be magnetically attracted by the magnetic attraction structure 14, so as to prevent the fragments from extending out of the cutter mesh 121, further prevent the fragments from scratching the user, and ensure the safety of the use of the shaver head 10.

In one embodiment, referring to fig. 2 again, the housing 11 includes a bottom case 112 and a top cover 111, wherein the top cover 111 is mounted on the bottom case 112, and the top cover 111 is supported by the bottom case 112. The cutter net 121 is mounted on the top cover 111, and the cutting unit 12 is mounted on the top cover 111. The transmission mechanism 13 is mounted on the bottom case 112. The top cover 111 and the bottom cover 112 are provided to facilitate installation of the cutting unit 12 and the transmission mechanism 13, and to facilitate manufacturing.

In one embodiment, the magnetic attraction structure 14 includes a magnetic member 141, and the magnetic member 141 may be in the shape of a plate, a bar, a column, etc., and may be configured as required.

In one embodiment, referring to fig. 3, a magnetic member 141 may be mounted on the inner surface of the top cover 111, so that the fragments of the blade 122 may be magnetically attracted by the magnetic member 141 on the inner surface of the top cover 111.

In one embodiment, the magnetic member 141 includes a first magnetic member 1411, and the first magnetic member 1411 may be disposed on a middle region of an inner surface of the top cover 111 to facilitate mounting and fixing of the first magnetic member 1411. Of course, the magnetic member 141 includes the second magnetic member 1412, and the second magnetic member 1412 may be provided on the inner surface of the peripheral side of the top cover 111 to fully utilize the space in the top cover 111. It is also possible to provide the magnetic members 141 on both the central region of the inner surface of the top cover 111 and the inner surface of the peripheral side of the top cover 111.

In one embodiment, referring to fig. 2, the magnetic member 141 includes a third magnetic member 1412, and the third magnetic member 1412 may be mounted on an inner surface of the bottom case 112. The third magnetic member 1412 is disposed on the inner surface of the bottom case 112, and the broken fragments of the blade 122 can be magnetically absorbed by the third magnetic member 1412, so that the space in the bottom case 112 can be effectively utilized, the shaving head 10 can be made smaller, and the integration level can be improved.

In one embodiment, the magnetic members 141 may be provided on both the inner surface of the bottom case 112 and the inner surface of the top cover 111. Of course, the magnetic member 141 may be provided on the inner surface of the top cover 111, and the other magnetic attracting structure 14 may be provided on the inner surface of the bottom case 112.

In one embodiment, referring to fig. 2 and 12, the razor head 10 further comprises a cover 143, the cover 143 covers the transmission mechanism 13, the cover 143 is provided with an opening 1431, and the transmission shaft 131 of the transmission mechanism 13 can extend through the opening 1431 so as to be connected to the cutting unit 12. The cover plate 143 is arranged and covers the transmission mechanism 13 with the cover plate 143, so that the transmission mechanism 13 can be protected, cut hairs and broken fragments of the blade 122 are prevented from entering the transmission mechanism 13, the transmission mechanism 13 is prevented from being influenced, the service life of the shaver head 10 is prolonged, and the shaver head 10 is convenient to clean.

In one embodiment, the cover plate 143 has magnetism, that is, the cover plate 143 is made of a permanent magnetic material, so that the cover plate 143 constitutes the magnetic attraction structure 14, that is, the magnetic attraction structure 14 includes the cover plate 143, which not only improves the integration level, but also has a larger magnetic attraction area by using the cover plate 143 with magnetism, so as to better adsorb the fragments broken by the blade 122.

In one embodiment, referring to fig. 13, the magnetic structure 14 includes a magnetic member 142, the magnetic member 142 is mounted on a cover 143, and the cover 143 supports the magnetic member 142 to support the magnetic member 142.

In one embodiment, the magnetic element 142 is a permanent magnet 1421 to provide magnetic attraction to facilitate magnetic attraction of broken pieces of the blade 122.

In one embodiment, the cover plate 143 may be a soft magnetic cover, that is, the cover plate 143 is made of a soft magnetic material, so as to perform a magnetic function. When the magnetic element 142 is mounted on the cover plate 143, the entire cover plate 143 can have a magnetic attraction force, so as to magnetically attract the broken fragments of the blade 122.

It is understood that when the magnetic element 142 is a permanent magnetic element 1421, the cover 143 can also be made of a permanent magnetic material to provide a greater magnetic attraction force to attract the broken fragments of the blade 122.

In one embodiment, the magnetic member 142 is mounted on the top surface of the cover plate 143 to facilitate supporting the magnetic member 142. Referring to fig. 2, when the magnetic element 142 is mounted on the top surface of the cover plate 143, and the top cover 111 is mounted on the bottom cover 112, the magnetic element 142 is located on a side of the cover plate 143 close to the cutting unit 12, such that the magnetic element 142 is closer to the cutting unit 12, and the magnetic element 142 is closer to the blade 122, so as to magnetically attract the broken fragments of the blade 122.

In one embodiment, referring to fig. 14 and 15, the magnetic element 142 is mounted on the bottom surface of the cover plate 143. Referring to fig. 2, when the magnetic element 142 is mounted on the bottom surface of the cover plate 143, and the top cover 111 is mounted on the bottom case 112, the magnetic element 142 is located on a surface of the cover plate 143 away from the cutting unit 12, so that the magnetic element 142 can be protected by the cover plate 143, and the fragments of the blade 122 can be absorbed on the cover plate 143 at a position corresponding to the magnetic element 142, so as to facilitate cleaning.

In one embodiment, the magnetic member 142 may be an electromagnet 1422, such that the magnetic member 142 is magnetic to magnetically attract the broken pieces of the blade 122 when the shaving head 10 is in use. When the shaving head 10 is not in use, the magnetic member 142 is demagnetized, so that the fragments on the magnetic member 141 can be easily removed for cleaning.

In one embodiment, the electromagnet 1422 is mounted on the bottom surface of the cover 143 to protect the electromagnet 1422 from the cover 143. It is understood that when the magnetic member 142 is an electromagnet 1422, the electromagnet 1422 can be mounted on the top surface of the cover 143 to support the electromagnet 1422.

In one embodiment, when the magnetic member 142 is the electromagnet 1422, the cover 143 can be a soft magnetic cover, that is, the cover 143 is made of a soft magnetic material so as to be magnetically conductive, so that when the shaving head 10 is in use, the magnetic member 142 has magnetism, and the cover 143 can magnetically attract the broken fragments of the blade 122. When the razor head 10 is not in use, the magnetic attraction piece 142 is demagnetized, and the fragments on the cover plate 143 can directly fall off, which is convenient for cleaning.

In the embodiment of the present application, the soft magnetic material refers to a material that is easy to magnetize and demagnetize, and generally includes pure iron and low-carbon steel materials, iron-silicon alloys, iron-aluminum alloys, iron-silicon-aluminum alloys, nickel-iron alloys, iron-cobalt alloys, soft magnetic ferrite, amorphous soft magnetic alloys, and ultracrystalline soft magnetic alloys.

Pure iron and low carbon steel materials refer to materials containing less than 0.04% carbon, including electromagnetically pure iron, electrolytic iron, and carbonyl iron.

The iron-silicon alloy refers to an iron-silicon alloy with 0.5 to 4.8 percent of silicon content and is commonly called a silicon steel sheet.

The ferro-aluminum alloy refers to ferro-aluminum alloy containing 6 to 16 percent of aluminum.

The iron-silicon-aluminum alloy refers to an alloy obtained by adding silicon to a binary iron-aluminum alloy.

The nickel-iron alloy refers to nickel-iron alloy with 30-90% of nickel content, also known as permalloy.

The iron-cobalt alloy refers to an iron-cobalt alloy with 27% -50% of cobalt content.

The soft magnetic ferrite refers to a non-metallic ferrimagnetic soft magnetic material.

The amorphous soft magnetic alloy is an alloy without long-range order and grain, and is also called as metallic glass or amorphous metal.

The ultra-crystalline soft magnetic alloy is composed of crystalline phase less than about 50 nanometers and amorphous grain boundary phase, such as iron-based ultra-crystalline alloy.

In the embodiment of the present application, the permanent magnetic material refers to a material that can maintain a constant magnetic property once magnetized, that is, a material having a permanent magnetic property. Permanent magnetic materials, also known as "hard magnetic materials". The permanent magnetic material generally includes an alnico permanent magnetic alloy, an iron-chromium-cobalt permanent magnetic alloy, a permanent magnetic ferrite, a rare earth permanent magnetic material, and a composite permanent magnetic material.

The Al-Ni-Co permanent magnetic alloy is a permanent magnetic alloy which takes Fe, Ni and Al as main components and also contains Cu, Co, Ti and other elements.

The iron-chromium-cobalt permanent magnet alloy is a permanent magnet alloy which is prepared by taking iron, chromium and cobalt as main components, and also contains molybdenum and a small amount of titanium and silicon.

The permanent magnetic ferrite mainly comprises barium ferrite and strontium ferrite.

The rare earth permanent magnetic material mainly comprises a rare earth cobalt permanent magnetic material and a neodymium iron boron permanent magnetic material.

The composite permanent magnetic material is mainly a permanent magnetic material compounded by permanent magnetic substance powder and a plastic substance as a binder.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (17)

1. An insert comprising a body having a cutting face at one end thereof, the cutting face having a cutting edge on one side thereof, wherein: the blade still including having the blade disc of magnetism nature, the cutter body install in on the blade disc.

2. The blade of claim 1, wherein: the cutter head is doped with permanent magnetic particles with permanent magnetism.

3. The blade of claim 2, wherein: the permanent magnetic particles comprise one or more of aluminum-nickel-cobalt permanent magnetic alloy particles, iron-chromium-cobalt permanent magnetic alloy particles, permanent magnetic ferrite particles and rare earth permanent magnetic material particles.

4. The blade of claim 1, wherein: the surface of the cutter head is provided with a permanent magnetic attraction layer.

5. The blade of claim 4, wherein: the magnetic absorption layer is an aluminum-nickel-cobalt permanent magnet alloy coating, an iron-chromium-cobalt permanent magnet alloy coating, a permanent magnetic ferrite coating or a rare earth permanent magnet material coating.

6. The blade of claim 1, wherein: the cutter head is a permanent magnet cutter head made of a permanent magnet material.

7. The blade of any of claims 1-6, wherein: the cutter body is a ceramic cutter body which can be magnetically attracted.

8. The blade of claim 7, wherein: the ceramic cutter body is doped with magnetically attracted particles which can be magnetically attracted.

9. The blade of claim 8, wherein: the magnetic particles are permanent magnetic particles.

10. The blade of claim 8, wherein: the magnetic particles are soft magnetic particles.

11. The blade of claim 10, wherein: the soft magnetic particles comprise one or more of iron-silicon alloy particles, soft magnetic ferrite particles, nickel-iron alloy particles and iron-cobalt alloy particles.

12. The blade of claim 7, wherein: the periphery of the ceramic knife body is provided with a magnetic coating which can be magnetically attracted.

13. The blade of claim 12, wherein: the magnetic attraction coating is a permanent magnet coating with permanent magnetism; or the magnetic attraction coating is a soft magnetic coating with soft magnetism.

14. The blade of any of claims 1-5, wherein: the cutter head is a ceramic piece or an injection molding piece.

15. A cutting unit comprising a foil, characterized in that: further comprising a blade according to any of claims 1-14, said knife screen being formed on said blade.

16. A shaving head, comprising a housing and a transmission mechanism mounted in the housing, characterized in that: the cutting unit of claim 15, further comprising a cutting blade mounted to the top of the housing, the cutting blade being coupled to the drive mechanism.

17. An electric shaver, comprising a handle, characterized in that: a razor head according to claim 16, the housing of the razor head being mounted on the handle.

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