CN214418878U - Rotary ceramic cutter head and electric shaver - Google Patents

Abstract

The utility model relates to a shaving device technical field provides a rotation type pottery tool bit and electric shaving device, above-mentioned rotation type pottery tool bit includes chassis and blade group, the blade group includes a plurality of cutter bodies that arrange along the direction of rotation in proper order, the bottom edge of cutter body is fixedly connected on the chassis and the top extends towards the tangential direction of rotation and forms the cutting edge, the cutting edge is sunken to form the notch towards the opposite direction rather than extending direction, bottom edge through the cutter body is fixedly connected on the chassis, effectively increase the area of being connected between cutter body and the chassis, thereby increase the joint strength between cutter body and the chassis, reduce the fracture risk of the junction between cutter body and the chassis, effectively improve electric shaving device's operational reliability and security; in addition, the cutting edge of the cutter body is formed into a notch structure, so that beards can be effectively limited in the range of the cutting edge, the situation that the beards are separated from the cutting edge is prevented, the cutting efficiency of the electric shaver is effectively improved, and the use experience of a user is enhanced.

Description

Rotary ceramic cutter head and electric shaver

Technical Field

The utility model relates to a technical field that shaves especially provides a rotation type ceramic tool bit and electric shaver.

Background

Compared with metal materials, ceramic materials have the characteristics of stability and wear resistance, so that the conventional metal cutter head is gradually replaced by the ceramic cutter head of the electric shaving device on the market, however, the ceramic materials have the characteristic of frangibility, when the electric shaving device is impacted by external force, the joint between the cutter body of the ceramic cutter head and the chassis is easy to break, and the working reliability and safety of the electric shaving device adopting the ceramic cutter head are reduced; in addition, when the cutting edge of ceramic tool bit touched with the beard under the rotation state, the condition of horizontal hunting appeared easily in the beard and breaks away from the cutting edge, leads to the cutting edge can't effectively cut the beard, and cutting efficiency is lower, uses to experience for the user and brings adverse effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotation type ceramic tool bit and electric shaver, it is poor to aim at solving the operational reliability and the security of the electric shaver who adopts ceramic tool bit among the prior art, and cuts the technical problem of inefficiency.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions: the utility model provides a rotation type ceramic cutter head, includes chassis and blade group, the blade group includes a plurality of cutter bodies that arrange in proper order along the direction of rotation, the bottom edge of cutter body fixedly connect in on the chassis and the top towards the tangential direction of rotation extends and forms the cutting edge, the cutting edge is sunken towards the direction opposite to its direction of extension and forms the notch.

The utility model provides a rotation type ceramic tool bit has following beneficial effect at least: the bottom edge of the cutter body is fixedly connected to the chassis, so that the connecting area of the cutter body and the chassis is effectively increased, the connecting strength between the cutter body and the chassis is increased, the fracture risk of the connecting part between the cutter body and the chassis is reduced, and the working reliability and the safety of the electric shaver are effectively improved; in addition, through the cutting edge formation notch structure with the cutter body, when the cutting edge of tool bit touched with the beard under the rotating condition, notch structure can effectively inject the beard in the cutting edge within range to prevent that the beard from breaking away from the cutting edge, make the cutting edge can effectively cut the beard, effectively improve electric shaver's cutting efficiency, reinforcing user uses the experience degree.

In one embodiment, the base plate is provided with a plurality of waste material openings, and each waste material opening is located below the corresponding cutting edge of the cutter body.

In one embodiment, a groove is formed in one side of each cutter body close to the cutting edge, and each notch is communicated with the corresponding waste port through the corresponding groove.

In one embodiment, the blade set further includes a plurality of ribs, each rib being connected between a bottom edge of the corresponding blade body and the base plate.

In one embodiment, the rotary ceramic tool bit comprises two sets of blades arranged coaxially, one set of blades being arranged around the periphery of the other set of blades.

In one embodiment, the notch is in an arc configuration.

In one embodiment, the notch is in a V-shaped configuration.

In order to achieve the above object, the embodiment of the present invention further provides an electric shaver, which includes the above rotary ceramic shaver head.

Since the electric shaver adopts all the embodiments of the rotary ceramic cutter head, at least all the advantages of the embodiments are achieved, and no further description is given here.

In one embodiment, the electric shaver further comprises a knife net covering the rotary ceramic knife heads, and the blade surfaces of the blades of the rotary ceramic knife heads, which are deviated from the chassis of the rotary ceramic knife heads, are close to the inner top surface of the knife net in parallel.

In one embodiment, the blade face of the blade edge of each blade body, which faces away from the base plate, and the inner top surface of the blade net are both planar.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of an electric shaving apparatus according to an embodiment of the present invention;

fig. 2 is a sectional view taken along a-a of the electric shaving apparatus of fig. 1;

fig. 3 is a schematic structural view of a rotary ceramic tool bit according to an embodiment of the present invention;

FIG. 4 is a schematic view of a body of the rotary ceramic cutting head shown in FIG. 3;

fig. 5 is a schematic structural view of a knife body according to another embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10. the electric shaver comprises an electric shaver body 11, a rotary ceramic cutter head 111, a chassis 1111, a waste port 1112, a shaft hole 112, a blade set 1121, a cutter body 1122, a blade edge 1123, a notch 1124, a groove 1125, a reinforcing rib 12, a cutter mesh 121, a mesh strip 122, a positioning shaft 13, a mounting seat 131 and a positioning port.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention.

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 invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; 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 invention can be understood according to specific situations by those skilled in the art.

Example one

Referring to fig. 1 to 3, a rotary ceramic cutting head 11 includes a base plate 111 and a blade set 112, the blade set 112 includes a plurality of cutter bodies 1121 arranged in sequence along a rotation direction, a bottom edge of each cutter body 1121 is fixedly connected to the base plate 111, a top portion of each cutter body 1121 extends in a tangential direction of the rotation direction to form a cutting edge 1122, and the cutting edge 1122 is recessed in a direction opposite to the extending direction to form a notch 1123.

The rotary ceramic cutter head 11 is fixedly connected to the chassis 111 through the bottom edge of the cutter body 1121, so that the connection area between the cutter body 1121 and the chassis 111 is effectively increased, the connection strength between the cutter body 1121 and the chassis 111 is increased, the risk of breakage at the connection between the cutter body 1121 and the chassis 111 is reduced, and the working reliability and safety of the electric shaving device 10 are effectively improved; in addition, since the cutting edge 1122 of the cutter body 1121 is formed into the notch 1123 structure, when the cutting edge 1122 of the cutter head is touched with a beard in a rotated state, the notch 1123 structure can effectively limit the beard within the range of the cutting edge 1122, thereby preventing the beard from being separated from the cutting edge 1122, enabling the cutting edge 1122 to effectively cut the beard, effectively improving the cutting efficiency of the electric shaver 10, and enhancing the user experience.

Specifically, the base plate 111 and the blade group 112 are integrally formed by a sintering process by using a ceramic material, so that the production process is simple, and the overall structural strength of the rotary ceramic tool bit 11 can be effectively improved.

Specifically, each of the blades 1121 of the blade group 112 has a substantially fin-shaped configuration, the top of each blade 1121 is gradually inclined downward in a direction opposite to the rotation direction, and each blade 1122 is formed at the highest point of the top of the corresponding blade 1121, so that the air resistance of the rotary ceramic blade 11 during the rotation motion can be effectively reduced, the rotation speed of the rotary ceramic blade 11 can be increased, and the cutting efficiency of the electric shaver 10 can be more effectively improved.

In the present embodiment, as shown in fig. 3, the bottom plate 111 is provided with a plurality of waste material openings 1111, and each waste material opening 1111 is located below the cutting edge 1122 of the corresponding cutter body 1121. On one hand, the beard fragments cut by the cutting edge 1122 of the cutter body 1121 directly fall into the waste material port 1111, so that the beard fragments are effectively and quickly discharged, and the phenomenon that the beard fragments are accumulated on the rotary ceramic cutter head 11 to block the rotary ceramic cutter head 11 from rotating is avoided; on the other hand, the weight of the rotary ceramic cutter 11 can be effectively reduced by forming the plurality of the scrap ports 1111 in the base plate 111, and the rotational speed of the rotary ceramic cutter 11 is higher when the driving power is the same.

Specifically, the inner corners of each of the scrap openings 1111 of the chassis 111 are rounded to reduce the internal stress of the chassis 111, so as to reduce the risk of breakage of the chassis 111, and further improve the operational reliability and safety of the electric shaver 10.

Specifically, referring to fig. 3, the side surface of each blade body 1121 close to the cutting edge 1122 is continuously engaged with the inner wall surface of the corresponding waste opening 1111, and it can be understood that the side surface of each blade body 1121 close to the cutting edge 1122 and the inner wall surface of the corresponding waste opening 1111 are located on the same surface, so as to effectively reduce the connection stress between each blade body 1121 and the chassis 111, further reduce the risk of fracture at the connection between the blade body 1121 and the chassis 111, and further effectively improve the operational reliability and safety of the electric shaving apparatus 10.

Specifically, as shown in fig. 3, a groove 1124 is formed on a side of each cutter body 1121 adjacent to the cutting edge 1122, and each notch 1123 is communicated with the corresponding scrap opening 1111 through the corresponding groove 1124. The shaving debris cut by the blade 1122 of the cutter body 1121 is dropped to the waste port 1111 along the groove 1124, so that the dropping trajectory of the shaving debris is effectively defined, and the shaving debris is rapidly discharged, thereby more effectively preventing the shaving debris from accumulating on the rotary ceramic cutter head 11 and blocking the rotary ceramic cutter head 11 from rotating.

Specifically, as shown in fig. 3, the blade set 112 further includes a plurality of ribs 1125, each rib 1125 is connected between the bottom edge of the corresponding cutter body 1121 and the chassis 111, so as to further increase the connection strength between each cutter body 1121 and the chassis 111, thereby further reducing the risk of fracture at the connection between the cutter body 1121 and the chassis 111, and further effectively improving the operational reliability and safety of the electric shaver 10.

In the present embodiment, please refer to fig. 3, the rotary ceramic tool tip 11 includes two blade sets 112 coaxially disposed, and the blade sets 112 are disposed around the periphery of the other blade set 112. It will be appreciated that the arrangement of the two blade sets 112 in an inner and outer ring configuration effectively increases the cutting area of the rotary ceramic cutting head 11, further improving the cutting efficiency of the rotary ceramic cutting head 11.

For the blade group 112 at the outer ring position, the side of each blade body 1121 of the blade group 112 facing away from the blade group 112 at the inner ring position is consecutively engaged with the outer side wall surface of the base plate 111, and it can be understood that the side of each blade body 1121 facing away from the blade group 112 at the inner ring position and the outer side wall surface of the base plate 111 are on the same surface, so that the connection stress between each blade body 1121 and the base plate 111 is effectively reduced, the risk of fracture at the connection between the blade body 1121 and the base plate 111 can be further reduced, and the operational reliability and safety of the electric shaving apparatus 10 are further effectively improved.

In the present embodiment, as shown in fig. 4, the notch 1123 formed by the cutting edge 1122 of the cutter body 1121 has an arc-shaped structure, so as to effectively limit the beard within the cutting edge 1122 of the cutter body 1121, thereby preventing the beard from being separated from the cutting edge 1122, enabling the cutting edge 1122 to effectively cut the beard, and effectively improving the cutting efficiency of the electric shaver 10.

Example two

The present embodiment is different from the first embodiment in that the shape of the cutting edge 1122 of the blade body 1121 is different,

in the present embodiment, as shown in fig. 5, the notch 1123 formed by the cutting edge 1122 of the cutter body 1121 has a V-shaped structure, so as to effectively limit the beard within the cutting edge 1122 of the cutter body 1121, thereby preventing the beard from being separated from the cutting edge 1122, enabling the cutting edge 1122 to effectively cut the beard, and effectively improving the cutting efficiency of the electric shaver 10.

Referring to fig. 1 and 2, an electric shaving apparatus 10 includes the above-mentioned rotary ceramic cutter 11.

Since the electric shaver 10 employs all the embodiments of the rotary ceramic cutter head 11, at least all the advantages of the embodiments are achieved, and no further description is provided herein.

In this embodiment, please refer to fig. 2, the electric shaver 10 further includes a knife net 12 covering the rotary ceramic knife head 11, and the cutting edge 1122 of each knife body 1121 of the rotary ceramic knife head 11 deviates from the cutting edge of the bottom plate 111 of the rotary ceramic knife head 11 and is parallel to and close to the inner top surface of the knife net 12, so that when the knife net 12 is attached to the skin of the human body, the cutting edge 1122 of each knife body 1121 is also close to the skin of the human body, so as to cut the beard as clean as possible, thereby effectively improving the cleaning performance of the electric shaver 10.

Specifically, referring to fig. 1, the knife net is provided with a plurality of net strips 121 spaced apart from each other along the rotation direction of the rotary ceramic knife head 11, when the electric shaver 10 is used, the cutting edges 1122 of the knife bodies 1121 of the rotary ceramic knife head 11 and the net strips 121 enclose a cutting space, and a beard is inserted into the cutting space from the gap between two adjacent net strips 121 and is limited in the cutting space, so as to cut the beard, and effectively improve the cutting efficiency of the electric shaver 10.

Specifically, as shown in fig. 2 and fig. 3, the cutting edge 1122 of each blade body 1121 facing away from the chassis 111 and the inner top surface of the blade mesh 12 are both flat surfaces, which can effectively increase the cutting area of each blade body 1121, thereby further improving the cutting efficiency of the electric shaving apparatus 10.

Of course, the edge surface of the cutting edge 1122 of each blade body 1121 facing away from the base plate 111 and the inner top surface of the blade net 12 may also be an arc surface, an inclined surface, etc., and are not particularly limited herein.

In this embodiment, the electric shaver 10 further includes a motor (not shown) and a mounting base 13, wherein a shaft hole 1112 is formed in a middle portion of the chassis 111 of the rotary ceramic cutter head 11, the mounting base 13 is fixedly connected in the shaft hole 1112, and the mounting base 13 is fixedly connected to a power output end of the motor, and the motor drives the rotary ceramic cutter head 11 to rotate through the mounting base 13.

Wherein, the mounting seat 13 is made of plastic, and the mounting seat 13 is fixedly connected in the shaft hole 1112 of the chassis 111 through a two-shot molding process, or the mounting seat 13 is fixedly connected in the shaft hole 1112 of the chassis 111 through a riveting process.

Specifically, as shown in fig. 2, the inner diameter of the shaft hole 1112 of the chassis 111 is gradually decreased from top to bottom, and the outer diameter of the end of the mounting seat 13 away from the motor is gradually decreased from top to bottom, so that the mounting seat 13 is matched with the shaft hole 1112 of the chassis 111 in shape, for example, the inner wall of the shaft hole 1112 of the chassis 111 and the outer wall of the end of the mounting seat 13 far away from the motor are both arranged in a step structure, or, the inner wall of the shaft hole 1112 of the chassis 111 and the outer wall of the end of the mounting base 13 away from the motor are both provided with an inclined plane structure, the middle part of the end of the mounting base 13 away from the motor is provided with a positioning opening 131, the inner top surface of the knife net 12 protrudes towards the mounting base 13 to form a positioning shaft 122, the positioning shaft 122 is inserted into the positioning opening 131 of the mounting base 13, in this way, the chassis 111, the mounting seat 13, and the blade net 12 can be mutually position-restricted, thereby preventing relative movement between the chassis 111, the mounting seat 13, and the blade net, and effectively improving the operation stability of the electric shaver 10.

Specifically, a positioning structure is provided between an inner wall of the shaft hole 1112 of the chassis 111 and an outer wall of the mounting seat 13, for example, a concave portion, such as a concave hole, a groove, etc., is provided on the inner wall of the shaft hole 1112 of the chassis 111, and a convex portion, such as a bump, etc., which is matched with the concave portion is provided on the outer wall of the mounting seat 13; for another example, the inner wall of the axle hole 1112 of the chassis 111 is provided with a convex portion, such as a bump, a convex block, etc., and the outer wall of the mounting seat 13 is provided with a concave portion, such as a concave hole, a concave groove, etc., which is matched with the convex portion, so as to effectively improve the connection stability between the chassis 111 and the mounting seat 13, further avoid the relative movement between the chassis 111 and the mounting seat 13, and more effectively improve the operation stability of the electric shaver 10.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a rotation type ceramic tool bit which characterized in that: the rotary ceramic cutter head comprises a base plate and a blade group, wherein the blade group comprises a plurality of cutter bodies which are sequentially arranged along the rotating direction, the bottom edges of the cutter bodies are fixedly connected to the base plate, the tops of the cutter bodies extend towards the tangential direction of the rotating direction to form cutting edges, and the cutting edges are sunken towards the direction opposite to the extending direction to form notches.

2. The rotary ceramic cutter head according to claim 1, wherein: the base plate is provided with a plurality of waste material openings, and each waste material opening is located below the corresponding cutting edge of the cutter body.

3. The rotary ceramic cutter head according to claim 2, wherein: and one side of each cutter body, which is close to the cutting edge, is provided with a groove, and each notch is communicated with the corresponding waste material port through the corresponding groove.

4. The rotary ceramic cutter head according to claim 1 wherein the blade set further comprises a plurality of ribs, each rib connected between the bottom edge of the corresponding cutter body and the base plate.

5. The rotary ceramic cutter head according to any one of claims 1 to 4, wherein: the rotary ceramic cutter head comprises two blade sets which are coaxially arranged, and one blade set is arranged around the periphery of the other blade set.

6. The rotary ceramic cutter head according to any one of claims 1 to 4, wherein: the notch is of an arc-shaped structure.

7. The rotary ceramic cutter head according to any one of claims 1 to 4, wherein: the notch is in a V-shaped structure.

8. An electric shaving apparatus characterized by: an electric shaving apparatus comprising a rotary ceramic cutter according to any one of claims 1 to 7.

9. An electric shaving apparatus according to claim 8, wherein: the electric shaver also comprises a knife net which is covered on the rotary ceramic knife head, and the cutting edge of each knife body of the rotary ceramic knife head deviates from the cutting edge surface of the chassis of the rotary ceramic knife head and is close to the inner top surface of the knife net in parallel.

10. An electric shaving apparatus according to claim 9, wherein: the blade face of the blade of each cutter body, which deviates from the chassis, and the inner top surface of the cutter net are both planes.

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