CN218857032U - Protective cover and shaving device - Google Patents

Abstract

The utility model discloses a protective cover and a shaving device, the protective cover is detachably arranged on shaving equipment, the head end of the shaving equipment is provided with a first magnetic suction piece, and the protective cover comprises a containing space for containing the head end of the shaving equipment; an extension part is arranged in the accommodating space, an accommodating space is arranged on the extension part, and a second magnetic part is fixed in the accommodating space; when the protective cover covers the head end of the shaving device, the first magnetic attracting member and the second magnetic attracting member attract each other. In the above arrangement, the protective cover on the shaving device can be easily attached to and detached from the shaving device, and the protective cover is not worn or deformed by long-term use.

Description

Protective cover and shaving device

Technical Field

The present application relates to the field of shaving technology, and more particularly, to a protective cover and a shaving device.

Background

Shaving apparatuses have a sharp cutter head, and therefore, in order to prevent a user from being injured by touching the cutter head by mistake when not in use, and to prevent dust, impurities, and the like from entering the cutter head to affect the normal operation of the cutter head, a cutter head protective cover is generally provided.

Generally, the protective cover of the shaving device is fixed in a clamping manner, but the protective cover needs to be removed and covered each time, so that the clamping structure of the protective cover is abraded and deformed each time the protective cover is used, the protective cover is loosened after a period of use, and cannot be firmly fixed on the shaving device, and a good protection effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

It is an object of the present application to provide a protective cover and a shaving device, which protective cover is easily attachable to and detachable from the shaving device and which protective cover is not worn or deformed even after long-term use.

In a first aspect of the application, a protective cover is provided, which is detachably arranged on a shaving device, a head end of the shaving device is provided with a first magnetic attraction member, and the protective cover comprises a receiving space for receiving the head end of the shaving device;

the accommodating space is internally provided with an extending part which is provided with an accommodating space, and a second magnetic part is fixed in the accommodating space;

when the protective cover covers the head end of the shaving device, the first magnetic attraction piece and the second magnetic attraction piece attract each other.

Further, the protective cover comprises an upper wall and a side wall, and the upper wall and the side wall enclose the accommodating space;

the extension part is fixedly connected with the upper wall of the protective cover; and/or the presence of a gas in the atmosphere,

the extension part is fixedly connected with the side wall of the protective cover.

Furthermore, an inwards-recessed caulking groove is formed in the extending portion, the caulking groove is provided with a groove opening, the groove opening is located on the side surface of the extending portion, the caulking groove is surrounded to form the containing space, and the second magnetic suction piece enters the containing space through the groove opening and is embedded in the caulking groove.

Furthermore, a through groove is formed in the extending portion, and the wall surface of the through groove is surrounded to form the containing space.

Further, the through groove comprises two through openings, the extending part comprises two side surfaces which are oppositely arranged along the thickness direction, and the two side surfaces are respectively provided with one through opening;

one of the side surfaces is provided with a blocking portion, at least part of which extends to a through opening located on the side surface.

In a further aspect of the present invention,

in a second aspect of the present application, there is provided a shaving device comprising a shaving apparatus and a protective cover as described above; the protective cover is removably secured to the head end of the shaving device;

the shaving equipment comprises a first magnetic attraction piece, the first magnetic attraction piece and a second magnetic attraction piece on the protective cover attract each other, and the protective cover is fixedly connected with the shaving equipment.

Furthermore, the shaving equipment comprises a cutter head component and a machine body, wherein the first magnetic attraction piece is arranged in the cutter head component, the third magnetic attraction piece is embedded in the machine body, and the first magnetic attraction piece and the third magnetic attraction piece attract each other and are used for fixedly connecting the cutter head component and the machine body.

Further, the cartridge assembly is at least partially configured as a head end of the shaving device when the cartridge assembly is fixedly attached to the body;

the protective cover receives at least a portion of the body and the cartridge assembly when the protective cover is fitted over the shaving device.

Further, the cutter head assembly comprises a plurality of cutter heads; on the upper surface of the cutter head assembly, two adjacent cutter heads are arranged at intervals, and the upper surface of the area between the two adjacent cutter heads is sunken relative to the upper surface of the cutter heads;

the first magnetic suction piece is embedded between two adjacent cutter heads;

when the protective cover covers the shaving equipment, the second magnetic attraction piece on the protective cover is positioned between two adjacent cutter heads and faces the first magnetic attraction piece.

Furthermore, the first magnetic part, the second magnetic part and the third magnetic part all comprise a plurality of magnetic elements with the same magnetic force, and the number of the magnetic elements in the second magnetic part is less than that in the third magnetic part.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

in the arrangement, the protective cover is matched with the shaving device in a magnetic attraction manner, so that the protective cover can be conveniently assembled and disassembled relative to the shaving device, and the magnetic attraction piece cannot be worn due to the increase of the use time, so that the long-term use of the shaving device can be ensured, and the protective effect of the protective cover cannot be influenced.

Drawings

Fig. 1 is a perspective view of a shaving device according to the present application.

Fig. 2 is a schematic view of a cross-sectional configuration of a shaving device according to the present application.

Fig. 3 is a schematic sectional view of the protective cover of the present application.

Fig. 4 is a schematic cross-sectional view of a protective cover according to an embodiment of the present application.

Fig. 5 is a schematic cross-sectional view of a protective cover according to another embodiment of the present application.

Fig. 6 is a schematic cross-sectional view of a protective cover according to another embodiment of the present application.

Fig. 7 is a schematic perspective view of another embodiment of the shaving device of the present application.

Fig. 8 is a schematic view of an exploded construction of the shaving device of the present application.

Description of the reference numerals

Shaving device 10, shaving apparatus 100, protective cover 200, cutter head assembly 110, body 120, cutter head 111, head end 130, first magnetically attractive element 112, second magnetically attractive element 210, third magnetically attractive element 121, receiving space 220, upper wall 221, side wall 222, extension 300, containment space 310, side surface 320, caulking groove 330, groove opening 331, through groove 340, wall surface 341, through opening 342, blocking portion 343, magnetically attractive element 1001.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The manner in which the following illustrative embodiments are described does not represent all manner of consistency with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Similarly, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one, and if only "a" or "an" is denoted individually. "plurality" or "a number" means two or more. Unless otherwise indicated, "front," "back," "lower," and/or "upper," and the like are for convenience of description, and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

As shown in fig. 1, the present embodiment discloses a shaving device 10, the shaving device 10 comprising a shaving apparatus 100 and a protective cover 200. The shaving device 100 comprises a cutter head assembly 110 and a body 120, the cutter head assembly 110 is fixedly connected with the body 120 in a magnetic attraction manner, and when the cutter head assembly 110 is connected with the body 120, the end of the shaving device 100 where the cutter head assembly 110 is located is a head end 130 of the shaving device 100. And the protective cover 200 is fixedly connected to the shaving device 100 by means of magnetic attraction and is connected to the head end 130 of the shaving device 100. When the protective cover 200 is fitted over the shaving device 100, at least a portion of the head end 130 of the shaving device 100 is received within the protective cover 200. Specifically, the protective cover 200 and the cutter head assembly 110 are fixed by magnetic attraction, and the cutter head assembly 110 and the body 120 are also fixed by magnetic attraction.

Referring to fig. 2, fig. 2 shows the shaving device 10 with a first magnetically attractive element 112 embedded in the cartridge assembly 110; a second magnetic element 210 is arranged in the protective cover 200; and a third magnetic attraction member 121 is embedded in the machine body 120. The first magnetic attraction element 112 and the second magnetic attraction element 210 attract each other, and the first magnetic attraction element 112 and the third magnetic attraction element 121 attract each other. The arrangement is such that in this shaving device 10 the protective cover 200 is detachably attached to the shaving apparatus 100 by means of magnetic attraction, whereas in the shaving apparatus 100 the cutter head assembly 110 is also detachably attached to the body 120 by means of magnetic attraction.

A common connection manner of the protective cover 200 and the shaving device 100 generally adopts a clamping structure, but the protective cover 200 needs to be taken off from the shaving device 100 every time the protective cover is used, the clamping structure is worn and deformed every time the protective cover is taken off and covered, after the protective cover is used for a plurality of times, the deformation of the clamping structure is large, and the protective cover 200 is easily loosened and cannot play a role in protection when being covered on the shaving device 100. In the shaving device 10 disclosed in this embodiment, the protective cover 200 is magnetically attached to the shaving apparatus 100, so that the protective cover is not deformed when being removed, thereby effectively avoiding the above-mentioned problems and providing a long-term protection effect.

Furthermore, the tool bit assembly 110 and the machine body 120 are connected in a magnetic attraction mode, so that the tool bit assembly 110 can be conveniently detached, the service life of the tool bit assembly is prolonged, and abrasion caused by detaching the tool bit assembly 110 when detachable structures such as a clamping structure are adopted is avoided. In addition, since the second magnetic attraction element 210 inside the protection cover 200 and the first magnetic attraction element 112 inside the cutter head assembly 110 attract each other, and the third magnetic attraction element 121 inside the body 120 and the first magnetic attraction element 112 inside the cutter head assembly 110 attract each other, only one set of magnetic attraction elements needs to be arranged inside the cutter head assembly 110. The first magnetic attraction element 112 and the second magnetic attraction element 210 are only required to be magnetically corresponding and can attract each other; the first magnetic attraction piece 112 and the third magnetic attraction piece 121 are magnetically corresponding to each other and can attract each other. In this manner, space usage is reduced, and for shaving devices 100 that have a magnetic coupling relationship between the cartridge assembly 110 and the body 120, in order to allow the protective cover 200 to magnetically couple with the shaving device 100, it is only necessary to provide magnets within the protective cover 200, rather than requiring additional structure within the shaving device 100, increasing the space utilization of the shaving apparatus 10.

In this embodiment, the first magnetic attraction element 112 is made of a magnetic material, and the magnetic property thereof corresponds to the magnetic property of the second magnetic attraction element 210 and the magnetic property thereof corresponds to the magnetic property of the third magnetic attraction element 121. Of course, in other embodiments, the material of the first magnetic element 112 can also be magnetic metal, and the second magnetic element 210 and the third magnetic element 121 can be made of magnetic material; alternatively, the second magnetic attraction element 210 and the third magnetic attraction element 121 may be made of magnetic metal, and the first magnetic attraction element 112 may be made of magnetic material, which is not limited in this application. If the first magnetic attraction piece 112 is made of magnetic metal, or the second magnetic attraction piece 210 and the third magnetic attraction piece 121 are made of magnetic metal, the original metal structure in the structure can be selected as the magnetic attraction piece, so as to further reduce the volume. However, in this embodiment, the first magnetic attraction member 112, the second magnetic attraction member 210, and the third magnetic attraction member 121 are made of magnetic materials, so that the magnetic attraction effect can be ensured, and the use experience can be further improved.

Referring to fig. 1 in conjunction with fig. 3, the protective cover 200 includes a receiving space 220 that can receive the head end 130 of the shaving device 100, the receiving space 220 being bounded by the upper wall 221 and the side walls 222 of the protective cover 200. In order to avoid the problem that the second magnetic attraction member 210 is disposed in the protective cover 200 without affecting the strength of the upper wall 221 of the protective cover 200, the upper wall 221 of the protective cover 200 cannot be grooved, and therefore the extension 300 is disposed on the protective cover 200 for placing the second magnetic attraction member 210.

In the receiving space 220 of the protective cover 200, an extending portion 300 of the protective cover 200 is disposed, and a containing space 310 is disposed on the extending portion 300, and the second magnetic member 210 is disposed in the containing space 310. The extension portion 300 is disposed in the accommodating space 220, and in the present application, the extension portion 300 is fixedly connected to both the upper wall 221 and the side wall 222 of the protective cover 200, extends downward from the upper wall 221 of the inner wall of the accommodating space 220, and is connected to the side wall 222 inside the accommodating space 220.

So set up, make extension 300 be used for installing second magnetism piece 210 simultaneously, still played the effect that acts as the strengthening rib of visor 200. Since the extension portion 300 connects the side wall 222 and the upper wall 221 of the protection cover 200, it is similar to a reinforcing rib in structure, and can increase the structural strength of the protection cover 200. Meanwhile, the connection between the extension part 300 and the protection cover 200 is more stable and is not easily damaged.

Of course, in other embodiments, the extension 300 may be connected only to the upper wall 221 of the protective cap 200; alternatively, the extension 300 may be connected only to the sidewall 222 of the protective cover 200. In this embodiment, the extension portion 300 is connected to both the upper wall 221 of the protection cover 200 and the side wall 222 of the protection cover 200, which is only an optimal embodiment, and in the practical application process, only the upper wall 221 or only the side wall 222 can achieve the purpose of accommodating the second magnetic member 210 by the extension portion 300, and this embodiment is not limited thereto.

An accommodating space 310 for accommodating the second magnetic member 210 is provided on the extension 300. In one example, the extending portion 300 includes two side surfaces 320 oppositely disposed along the thickness direction, and an inward recessed caulking groove 330 is formed on one side surface 320 of the extending portion 300, and the caulking groove 330 encloses the accommodating space 310 for accommodating the second magnetic element 210, as shown in fig. 4. The insertion groove 330 has a groove opening 331, and the groove opening 331 of the insertion groove 330 is located on the side surface 320 of the extension part 300, and the accommodation space 310 is formed by the groove opening 331 being depressed inward. The second magnetic element 210 enters the containing space 310 through the slot opening 331 and is inserted into the slot 330. Because the slot 330 has the slot opening 331 and the bottom of the slot 330 is closed, when installing, only the second magnetic element 210 is allowed to be inserted into the slot 330 from the slot opening 331, so that the second magnetic element is accommodated in the accommodation space 310 surrounded by the slot 330, and the installation of the second magnetic element 210 can be completed, and the connection between the second magnetic element and the extension portion 300 can be more stable by using the methods of adhesion, etc.

With such an arrangement, when the second magnetic element 210 is conveniently installed, the second magnetic element 210 is fixed in the accommodating space 310, and then the second magnetic element 210 is more stably connected to the extending portion 300, so that the second magnetic element 210 is not liable to slide off in the using process.

In another example, referring to fig. 5, a through slot 340 is opened on the extending portion 300, and the wall 341 of the through slot 340 defines the accommodating space 310 for accommodating the second magnetic-attracting component 210. The wall 341 of the through groove 340 is an inner wall of the through groove 340 formed inside the extension 300, that is, a containing space 310 is enclosed by the inner wall of the through groove 340 for accommodating the second magnetic-attracting component 210. Equivalently, a through hole is dug in the extension part 300, and the second magnetic part 210 is placed in the through hole, by adopting the mode, other structures are not needed to be added, the second magnetic part 210 can be installed only by digging a groove in the extension part 300, the processing mode is simpler, and the design of the structure is simpler.

Preferably, referring to fig. 6, the through groove 340 penetrates through two side surfaces 320 of the extension portion, each side surface 320 has a through opening 342, the two side surfaces 320 are the two through openings 342 of the through groove 340, one side surface 320 of the extension portion 300 is provided with a blocking portion 343, and at least a portion of the blocking portion 343 extends to the through opening 342 of the side surface 320.

Specifically, since the through groove 340 penetrates the extension 300, there are openings on both side surfaces 320 of the extension 300, the opening on the side surface 320 is the through opening 342 of the through groove 340, and the blocking portion 343 is located on one of the side surfaces 320 and at least partially blocks the through opening 342 on the side surface. The blocking portion 343 extends at least partially to the through opening 342 on the side surface, which does not mean that the blocking portion 343 extends into the accommodating space 310, but the blocking portion 343 is blocked on the through opening 342, and only an overlapping portion of the through opening 342 and the blocking portion 343 in the orthogonal projection in the thickness direction is required to be ensured.

In this example, one through opening 342 of the through slot 340 is blocked by the blocking portion 343, and the other through opening 342 is not blocked, so that the second magnetic attraction member 210 can be placed into the accommodation space 310 through the through opening 342 that is not blocked by the blocking portion 343, and blocked by the blocking portion 343 on the other side. With such an arrangement, the second magnetic attraction piece 210 can be conveniently mounted with respect to the extension portion 300, and after the second magnetic attraction piece 210 is fixed in the accommodation space 310 by using bonding or other methods, the second magnetic attraction piece 210 can be more stably mounted due to the addition of the blocking portion 343 on one side of the accommodation space 310, and the second magnetic attraction piece 210 is less prone to falling off in the using process.

In addition, referring to fig. 7 and 8, in the present embodiment, the cutting head assembly 110 includes a plurality of cutting heads 111, for the convenience of use, the cutting heads 111 are disposed on the upper surface of the cutting head assembly 110, and since the cutting heads 111 are to contact with the skin of the user during use, each cutting head 111 is relatively convex on the upper surface of the cutting head assembly 110, two adjacent cutting heads 111 are disposed at an interval, and the upper surface of the area between two adjacent cutting heads 111 is concave relative to the upper surface of the cutting head 111. On the upper surface of the cutter head assembly 110, in a relatively recessed area between adjacent cutter heads 111, the first magnetic attraction member 112 is embedded, that is, the first magnetic attraction member 112 is embedded between two adjacent cutter heads 111, and when the protective cover 200 is covered on the shaving apparatus 100, the second magnetic attraction member 210 on the protective cover 200 is located between two adjacent cutter heads 111 and faces the first magnetic attraction member 112.

When the protective cover 200 is fitted to the shaving device 100, the protective cover 200 is fitted to the upper surface of the cutter head assembly 110, and the cutter head 111 is located at a position relatively convex on the upper surface of the cutter head assembly 110, and the space between two adjacent cutter heads 111 is relatively concave on the upper surface of the cutter head assembly 110, so that when the protective cover 200 is fitted to the shaving device 100, the upper surface of the cutter head 111 will be closer to the upper wall 221 of the protective cover 200. If the first magnetic element 112 is embedded in a relatively protruding portion of the upper surface of the cutter head assembly 110, and the extension portion 300 and the second magnetic element 210 are also installed above the corresponding portion, a certain height is required to be left between the upper wall 221 of the protective cover 200 and the relatively protruding portion of the upper surface of the cutter head assembly 110 for installing the extension portion 300, so that the volume of the protective cover 200 is increased; on the other hand, in the bit assembly 110, a blade or the like is required to be attached to the position of the bit 111, and the first magnetic attraction member 112 cannot be attached. On the contrary, the first magnetic attraction piece 112 is embedded in the relative recess of the upper surface of the shaving head assembly 110, and then the extension portion 300 can be attached to the recess after the protection cover 200 is covered, so that the magnetic attraction effect is ensured, the volume of the protection cover 200 does not need to be increased, and the structural compactness of the whole shaving device 10 is increased.

Correspondingly, when the protective cover 200 is covered on the shaving device 100, the extending portion 300 of the protective cover 200 can be attached to the upper surface of the cutter head assembly 110, and the second magnetic attracting elements 210 are disposed on the derivatives, and are located between two adjacent cutter heads 111 and face the first magnetic attracting elements 112.

Further, since the protection cap 200 is fixed to the shaving device 100 by means of magnetic attraction between the protection cap 200 and the cutter head assembly 110, and the cutter head assembly 110 is connected to the body 120 by means of magnetic attraction, the cutter head assembly 110 and the protection cap 200 can be removed from the shaving apparatus 10 by external force, and therefore, the problem of removing the cutter head assembly 110 together with the protection cap 200 during the use of the user may occur. In order to reduce the occurrence of this situation, the shaving apparatus 100 in the present embodiment takes the following two measures:

on the other hand, if only part of the structure of the cutter head assembly 110 is contained in the protective cover 200 and the structure of the body 120 is not contained, the user's hand may act on the connection between the cutter head assembly 110 and the edge of the protective cover 200 during the process of removing the protective cover 200, and friction may be generated between the user's hand and both the protective cover 200 and the cutter head assembly 110, so that the cutter head assembly 110 may be removed from the body 120 during the process of removing the protective cover 200. However, in order to reduce such inconvenience, the user generally does not wish to remove the cutter head assembly 110 altogether during the process of removing the protective cap 200, in this embodiment, the receiving space 220 of the protective cap 200 includes the cutter head assembly 110 as a whole when the protective cap 200 is fitted over the shaving device 100, and at least a portion of the body 120 is also included in the receiving space 220 of the protective cap 200. With this arrangement, when the protective cap 200 is removed, the hand of the user will not contact the cutter head assembly 110, thereby avoiding the generation of friction between the hand of the user and the cutter head assembly 110 and reducing the possibility of simultaneously wearing the cutter head assembly 110 when the protective cap 200 is removed.

On the other hand, when the protective cover 200 is covered on the shaving apparatus 100, the attraction force between the first magnetic attracting member 112 and the third magnetic attracting member 121 is greater than the attraction force between the first magnetic attracting member 112 and the second magnetic attracting member 210. By such arrangement, the connection between the cutter head assembly 110 and the body 120 is firmer, when the user applies an external force to remove the protective cover 200, the acting force applied by the user is generally increased gradually, and when the force applied by the user is greater than the attractive force between the first magnetic attraction piece 112 and the second magnetic attraction piece 210, the protective cover 200 can be removed from the cutter head assembly 110, so that the cutter head assembly 110 cannot be removed together, and the protective cover 200 can be removed more conveniently.

Preferably, in order to realize that the attraction force between the first magnetic attraction piece 112 and the third magnetic attraction piece 121 is greater than the attraction force between the first magnetic attraction piece 112 and the second magnetic attraction piece 210, the following scheme may be adopted: the first magnetic-attraction member 112, the second magnetic-attraction member 210 and the third magnetic-attraction member 121 all include a plurality of magnetic-attraction elements 1001 with the same magnetic force, and the number of the magnetic-attraction elements 1001 in the second magnetic-attraction member 210 is smaller than the number of the magnetic-attraction elements 1001 in the third magnetic-attraction member 121. With such an arrangement, since the second magnetic attraction element 210 and the third magnetic attraction element 121 are attracted to the first magnetic attraction element 112, and the number of the magnetic attraction elements 1001 in the third magnetic attraction element 121 is greater than the number of the magnetic attraction elements 1001 in the second magnetic attraction element 210, the attraction force of the third magnetic attraction element 121 to the first magnetic attraction element 112 is greater than the attraction force of the second magnetic attraction element 210 to the first magnetic attraction element 112.

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 scope of protection of the present application.

Claims (10)

1. A protective cover detachably arranged on a shaving device, characterized in that a head end of the shaving device is provided with a first magnetic attachment, the protective cover comprising a receiving space for receiving the head end of the shaving device;

the accommodating space is internally provided with an extending part which is provided with an accommodating space, and a second magnetic part is fixed in the accommodating space;

when the protective cover covers the head end of the shaving device, the first magnetic attraction piece and the second magnetic attraction piece attract each other.

2. The protective cover of claim 1, wherein said protective cover comprises an upper wall and a sidewall, said upper wall and said sidewall enclosing said receiving space;

the extension part is fixedly connected with the upper wall of the protective cover; and/or the presence of a gas in the gas,

the extending part is fixedly connected with the side wall of the protective cover.

3. The protective cover of claim 1, wherein the extension portion has an inwardly recessed receiving slot, the receiving slot has a slot opening, the slot opening is located on a side surface of the extension portion, the receiving slot defines the receiving space, and the second magnetic element enters the receiving space through the slot opening and is received in the receiving slot.

4. The protective cover of claim 1, wherein said extension defines a through-slot, and walls of said through-slot define said containing space.

5. The protective cover of claim 4, wherein said channel includes two through openings, said extension includes two side surfaces disposed opposite each other in the thickness direction, and each of said two side surfaces has one of said through openings;

one of the side surfaces is provided with a blocking portion, at least part of which extends to a through opening located on the side surface.

6. A shaving apparatus, comprising a protective cover as claimed in any one of claims 1 to 5 and a shaving device; the protective cover is removably secured to a head end of the shaving device;

the shaving equipment comprises a first magnetic attraction piece, the first magnetic attraction piece and a second magnetic attraction piece on the protective cover attract each other, and the protective cover is fixedly connected with the shaving equipment.

7. The shaving device of claim 6, wherein said shaving apparatus comprises a cartridge assembly and a body, said first magnetic attachment is disposed in said cartridge assembly, a third magnetic attachment is embedded in said body, said first magnetic attachment and said third magnetic attachment attract each other for fixedly connecting said cartridge assembly to said body.

8. A shaving apparatus as claimed in claim 7, characterised in that said cutter assembly is at least part of the structure of the head end of the shaving device when said cutter assembly is fixedly connected to the body;

the protective cover receives at least a portion of the body and the cartridge assembly when the protective cover is fitted over the shaving device.

9. The shaving device of claim 7, wherein said cartridge assembly includes a plurality of cartridges; on the upper surface of the cutter head assembly, two adjacent cutter heads are arranged at intervals, and the upper surface of the area between the two adjacent cutter heads is sunken relative to the upper surface of the cutter heads;

the first magnetic suction piece is embedded between two adjacent cutter heads;

when the protective cover covers the shaving equipment, the second magnetic attraction piece on the protective cover is positioned between two adjacent cutter heads and faces the first magnetic attraction piece.

10. The shaving device of claim 6, wherein each of the first, second and third magnetically attractive members includes a plurality of magnetically attractive elements having the same magnetic force, and wherein the number of magnetically attractive elements in the second magnetically attractive member is less than the number of magnetically attractive elements in the third magnetically attractive member.

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