CN115609640A - Cutter head unit and shaver - Google Patents

Abstract

The invention discloses a cutter head unit and a shaver, wherein the cutter head unit comprises a cutter mesh and a circular cutter, the cutter mesh is provided with at least one inner ring shaving track and one outer ring shaving track, each inner ring shaving track and each outer ring shaving track are arched and are concentrically arranged, each inner ring shaving track is provided with a plurality of round holes and special-shaped holes, and each outer ring shaving track is provided with a plurality of strip-shaped holes; the circular cutter is rotatably arranged on the cutter mesh and is provided with a plurality of transverse blades which are respectively arranged close to the inner surfaces of the inner ring shaving tracks and the outer ring shaving tracks; wherein the special-shaped hole is arranged in a bending way, and the shearing angle of the transverse blade in the special-shaped hole is larger than that of the strip-shaped hole. In this technical scheme, the design in round hole and dysmorphism hole can be caught the beard different in size, and then has promoted the efficiency of shaving to be arched removal and wainscot when shaving the track and be favorable to shaving, promote the comfort level of shaving.

Description

Cutter head unit and shaver

Technical Field

The invention relates to the technical field of shaving tools, in particular to a cutter head unit and a shaver.

Background

The electric shaver consists of a stainless steel mesh enclosure, an inner blade, a micro motor and a shell. The net cover is used for fixing the outer blade, and a plurality of holes are formed in the net cover, and beards can extend into the holes. The micro motor is driven by electric energy to drive the inner blade to rotate, and the beard extending into the hole is cut off by utilizing the shearing principle.

The rotary shaver cutter head on the current market is basically planar, the shape of the shearing groove is mostly a straight groove, meanwhile, the width of the cutting edge is designed to be narrow, the shearing edge on the cutter net cannot be well covered, the shaving efficiency is low, and the moving comfort level is not good.

Disclosure of Invention

The invention mainly aims to provide a cutter head unit and a shaver, and aims to solve the technical problems that the existing shaver is low in shaving efficiency and poor in moving comfort degree of the cutter head unit.

To achieve the above object, the present invention provides a cutter head unit comprising:

the shaver net is provided with at least one inner ring shaving track and one outer ring shaving track, each inner ring shaving track and each outer ring shaving track are arched and concentrically arranged, each inner ring shaving track is provided with a plurality of round holes and special-shaped holes, and each outer ring shaving track is provided with a plurality of strip-shaped holes; and the number of the first and second groups,

the circular knife is rotatably arranged on the knife net and is provided with a plurality of transverse blades which are respectively arranged close to the inner surfaces of the inner ring shaving tracks and the outer ring shaving tracks;

wherein, dysmorphism hole is the curved setting, just horizontal blade is in shearing angle in the dysmorphism hole is greater than the bar hole.

Optionally, each of the transverse blades is circumferentially and uniformly distributed, and the extending direction of the knife edge is perpendicular to the tangential direction of the knife edge.

Optionally, each of the circular holes and each of the irregular holes are alternately arranged and evenly distributed along the circumferential direction of the inner ring shaving track.

Optionally, the strip-shaped holes are uniformly distributed in the circumferential direction of the outer ring shaving track.

Optionally, each of the strip-shaped holes is obliquely arranged on the outer surface of the outer ring shaving track.

Optionally, the strip-shaped hole further comprises a side hole extending longitudinally from the outer side of the outer ring shaving track for protruding into a beard.

Optionally, the special-shaped hole comprises two arc-shaped inclined holes.

Optionally, a rotary hole is formed in the center of the circular cutter, and a cylinder matched with the rotary hole is arranged in the center of the cutter net so as to position the circular cutter when the circular cutter rotates.

Optionally, the circular knife is disc-shaped, and each of the cross blades is integrally formed with a main body of the circular knife.

The invention also proposes a shaver comprising at least one blade head unit as described above.

According to the technical scheme, the strip-shaped holes are formed in the outer ring shaving track of the cutter net, the round holes and the special-shaped holes are formed in the inner ring shaving track of the cutter net respectively, and when shaving is conducted, the transverse blades on the circular cutter can rapidly cut long beards extending into the strip-shaped holes on the outer side; after the short beard entered the inboard, round hole and dysmorphism hole can catch the beard different in size, and horizontal blade is in shearing angle in the dysmorphism hole is greater than the bar hole can promote the shearing force to shorter beard, and then has promoted the efficiency of shaving. In addition, be the removal and the wainscot when arched shaving the track and be favorable to shaving, promote the comfort level of shaving.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a perspective structural view of an embodiment of a cutter head unit provided by the invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a schematic view of the knife net of FIG. 1;

FIG. 4 is a schematic view of the circular knife shown in FIG. 1;

FIG. 5 is a front view of FIG. 4;

FIG. 6 is a schematic view of the structure of FIG. 4 from another perspective;

fig. 7 is a schematic plan view of the shaped hole of fig. 1.

In the figure: the shaver head comprises a shaver head unit-100, a shaver net-1, inner ring shaving tracks-11 and 12, round holes-112, special-shaped holes-113, inclined holes-113 a, outer ring shaving tracks-13, strip-shaped holes-131, side holes-131 a, a cylinder-14, a circular shaver-2, a mounting part-2 a, a transverse blade-21 and rotary holes-22.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

For a better description and illustration of embodiments of the application, reference may be made to one or more of the drawings, but additional details or examples used in describing the drawings should not be construed as limiting the scope of any of the inventive concepts of the present application, the presently described embodiments, or the preferred versions.

In the description of the present invention, it should be noted that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the positional relationships shown in the drawings, and are only for convenience of describing the present invention, but do not indicate that the device referred to must have a particular orientation or be operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

The rotary shaver cutter head on the market at present is basically planar, and the shearing flute profile is the straight flute mostly, and cutting edge width design is narrower simultaneously, can not fine cover the shearing sword on the sword net, and it is not good to shave at the bottom of the efficiency and remove the comfort level.

In view of this, the present invention provides a cutter head unit, generally mounted on a head portion of a shaving apparatus, for applying skin and cutting hair, and fig. 1 to 6 show an embodiment of the cutter head unit according to the present invention. Referring to fig. 1 to 6, the cutter head unit 100 includes a cutter net and a circular cutter.

Specifically, referring to fig. 1 and 4, 2 inner ring shaving tracks 11 and 12 are formed on the surface of the cutter mesh 1, the inner ring shaving tracks 12 are on the outer sides of the inner ring shaving tracks 11, 1 outer ring shaving track 13 is also formed on the surface of the cutter mesh, and the outer ring shaving tracks 13 are located on the outer sides of the inner ring shaving tracks 11 and 12, namely on the outer sides of the inner ring shaving tracks 12; of course, the inner ring shaving tracks may be set to 1, 3, etc., and in this embodiment, 2 tracks are set to be more suitable for shaving. It should be noted that the inner ring shaving tracks 11 and 12 and the outer ring shaving track 13 are both arched and concentrically arranged, and the arched arrangement can be divided into a flat arch and a circular arch; in the present embodiment, each track is in the shape of a flat arch, that is, the surface of the track is a plane, but it can also be designed into a circular arch, and the circular arch track can make the knife net 1 more comfortable when moving. The circular cutter 2 is circular and is rotatably arranged on the cutter net 1, and the circular cutter 2 is provided with a plurality of transverse blades 21 which are respectively arranged close to the inner surfaces of the inner ring shaving tracks 11 and 12 and the outer ring shaving track 13.

Further, the planes of the inner ring shaving tracks 11 and 12 are both provided with a plurality of round holes 112 and special-shaped holes 113, and the plane of the outer ring shaving track 13 is provided with a plurality of strip-shaped holes 131; it should be noted that the special-shaped hole 113 is disposed in a curved shape, and the shearing angle of the horizontal blade 21 in the special-shaped hole 113 is greater than that of the strip-shaped hole 131; when shaving, the net 1 is applied to the skin and moved, some long hairs enter the bar-shaped holes 131 to be cut short, and then as the net is further moved, hairs with different lengths enter the circular holes 112 and the irregular holes 113 to be cut short again. It should be noted that the number of the circular holes 112, the special-shaped holes 113 and the strip-shaped holes 131 can be selected according to the size of the blade net and the thickness of the beard.

In the technical scheme of the invention, the outer ring shaving track 13 of the cutter mesh 1 is provided with the strip-shaped hole 131, the inner ring shaving tracks 11 and 12 of the cutter mesh 1 are respectively provided with the round hole 112 and the special-shaped hole 113, and when shaving, the transverse blade 21 on the circular cutter 2 can rapidly cut long beards extending into the outer strip-shaped hole 131; after the short beard enters the inner side, the round holes 112 and the special-shaped holes 113 can capture the beard with different lengths, and the transverse blade 21 is arranged in the shearing angle in the special-shaped holes 113, which is larger than the strip-shaped holes 131, so that the shearing force to the short beard can be improved, and the shaving efficiency is improved. In addition, the arched shaving track is favorable for moving and facing during shaving, and the shaving comfort level is improved.

Referring to fig. 4-6, in an embodiment of the present invention, each of the horizontal blades 21 is uniformly distributed along the circumferential direction of the circular knife 2, and the extending direction of the knife edge of each of the horizontal blades 21 is perpendicular to the tangential direction thereof, i.e., points to the center of the circular knife 2. In the present embodiment, there are 15 lateral blades 21 adjacent to the outer ring shaving track 13, 8 lateral blades 21 adjacent to the inner ring shaving track 12, and 5 lateral blades 21 adjacent to the inner ring shaving track 11, but the number of the lateral blades may be other than these, and the lateral blades may be distributed according to the radius of the tracks.

Referring to fig. 1 and 2, in an embodiment of the present invention, the circular holes 112 and the shaped holes 113 are alternately arranged, a plurality of the circular holes 112 are arranged together on the inner circular shaving tracks 11 and 12, and a plurality of the shaped holes 113 are sequentially arranged and uniformly distributed along the circumferential direction of the inner circular shaving tracks 11 and 12. The diameters of the circular hole 112 and the irregular hole 113 can be adjusted adaptively according to the thickness of the beard.

Referring to fig. 1 and 2, in an embodiment of the present invention, the strip-shaped holes 131 are sequentially arranged and uniformly distributed in the circumferential direction of the outer ring shaving track 13. The diameter of the strip-shaped holes 131 can be adjusted adaptively according to the thickness of the beard.

Referring to fig. 1 and 2, in an embodiment of the present invention, in order to enable the cross blades 21 and the strip-shaped holes 131 of the outer ring shaving track 13 to better cut beards, each strip-shaped hole 131 is disposed obliquely, i.e., offset from a center of circle, on the outer surface of the outer ring shaving track 13. Since the cutter mesh 1 and the circular cutters 2 are concentrically arranged, a cutting edge extending direction of the transverse cutter 21 and the hole walls of the strip-shaped holes 131 form a cutting angle during shaving, so that beards can be cut conveniently. In order to prevent the strip-shaped holes 131 from excessively deflecting to influence the insertion of beards, the angle of the strip-shaped holes 131 deviating from the circle center of the knife net is 10 degrees, and in other embodiments, the angle can be selected to be between 9 degrees and 11 degrees, namely, the shearing angle is designed to be between 9 degrees and 11 degrees. Of course, the knife edge extension direction of the blade can be designed to deviate from the center of a circle, and the length direction of the strip-shaped hole 131 points to the center of a circle, but the design is easy to influence the performance of the blade after long-term use, and the design of the blade is not convenient.

Referring to fig. 1, in an embodiment of the present invention, the outer ring shaving track 13 is located at the outermost edge of the knife net 1, that is, the arched side surface of the outer ring shaving track is the side wall of the knife net 1, and the strip-shaped hole 131 further includes a side hole 131a extending longitudinally from the outer side surface of the outer ring shaving track 13; when shaving, the outer surface of the foil 1 is moved over the skin, so that long hairs can be inserted into the foil 1 through the side holes 131 a.

Referring to fig. 1, 2 and 7, in one embodiment of the present invention, in order to make a short and hard beard easy to cut and cut short, the shaped hole 113 is shaped like a long strip and is formed by splicing two sections of arc-shaped inclined holes 113a, the arc size of the shaped hole is pi/9, and in other embodiments, the shaped hole can be adjusted according to the size of the shaped hole 113; the arc edges of the two inclined holes 113a are centrosymmetric, that is, the two inclined holes 113a are centrosymmetric; the angle of the tangent lines at the two ends of the arc edge of the special-shaped hole 113 deviating from the center of the cutter mesh 1 is 11 degrees, and in other embodiments, the angle can be selected from 11 degrees to 12 degrees, that is, the shearing angle at the two ends of the special-shaped hole 113 is designed from 9 degrees to 11 degrees; the tangential deviation angle increases along with the extension towards the center of the circular arc edge, the tangential deviation angle at the connecting point of the circular arc edge centers of the shaped holes 113 is 17 degrees, and in other embodiments, the tangential deviation angle can be selected to be between 16 degrees and 18 degrees, namely, the shearing angle in the middle of the shaped holes 113 is designed to be between 16 degrees and 18 degrees. Therefore, when a hair enters the shaped holes 113, the horizontal blade 21 rotates and shaves, the cutting angle of the hair in the middle of the shaped holes 113 is large, the cutting force is large, the shaving efficiency is high, and the hair on two sides of the center of the shaped holes 113 is inferior. Through such design, can be when removing cutter mesh 1, along with the beard constantly gets into in the dysmorphism hole 113, it is more smooth to cut, in the cooperation the collocation use of round hole 112 can promote the comfort level when shaving by a wide margin.

Referring to fig. 4 and 6, in an embodiment of the present invention, a mounting part 2a is fixedly disposed at the center of the circular knife 2, a rotating hole 22 is disposed at one end of the mounting part 2a facing the knife net 1, a cylinder 14 adapted to the rotating hole 22 is disposed at the center of the knife net 1, and the rotating hole 22 can rotate around the cylinder 14 to position the circular knife; the other end of the mounting piece 2a is connected with a rotating shaft of a motor and used for driving the circular knife 2 to rotate.

Referring to fig. 4 and 6, in an embodiment of the present invention, the circular knife 2 is disc-shaped, and each of the cross blades 21 is integrally formed with the main body of the circular knife 2; that is, the cutting edge of the cross blade 21 is formed by cutting the main body of the circular knife 2, so that the base material can be effectively utilized, and the strength and rigidity of the main body of the circular knife 2 can be increased. In addition, the edge of the transverse blade 21 is widened, the width of the transverse blade is widened by at least more than 50% compared with the width of the same product, and the shearing efficiency is higher.

The present invention also proposes a shaver comprising at least one head unit 100 as described above, which is more commonly used in some double-head or triple-head shavers; it should be understood that the shaver also includes a motor, a power source, and a housing.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A head unit provided at a head portion of a shaving apparatus for applying skin and cutting hair, comprising:

the shaver net (1) is provided with at least one inner ring shaving track (11, 12) and one outer ring shaving track (13), each inner ring shaving track (11, 12) and each outer ring shaving track (13) are arched and are concentrically arranged, each inner ring shaving track (11, 12) is provided with a plurality of round holes (112) and irregular holes (113), and each outer ring shaving track (13) is provided with a plurality of strip-shaped holes (131); and the number of the first and second groups,

the circular knife (2) is rotatably arranged on the knife net (1) and is provided with a plurality of transverse blades (21) which are respectively arranged close to the inner surfaces of the inner ring shaving tracks (11, 12) and the outer ring shaving tracks (13);

wherein, dysmorphism hole (113) are the curved setting, and the shearing angle of horizontal blade (21) in dysmorphism hole (113) is greater than strip hole (131).

2. Cutter head unit according to claim 1, wherein each of said transverse blades (21) is circumferentially uniformly distributed and the extension of the cutting edge is perpendicular to the tangential direction thereof.

3. A head unit according to claim 2, wherein the circular holes (112) and the profiled holes (113) are arranged alternately and evenly distributed in the circumferential direction of the inner ring shaving track (11, 12).

4. A head unit according to claim 1, wherein the strip-shaped holes (131) are evenly distributed in the circumferential direction of the outer shaving track (13).

5. A head unit according to claim 1, wherein each of said strip-shaped holes (131) is provided obliquely to an outer surface of said outer circumferential shaving track (13).

6. A head unit according to claim 1, wherein said strip-shaped aperture (131) further comprises a side aperture (131 a) extending longitudinally from the outer side of said outer ring shaving track (13) for protruding into a hair.

7. The cutter head unit according to claim 1, wherein the shaped hole (113) comprises two inclined holes (113 a) having an arc shape.

8. A cutter head unit according to claim 1, wherein the circular cutter (2) is provided with a rotation hole (22) at the center thereof, and the cutter net (1) is provided with a cylinder (14) at the center thereof to be engaged with the rotation hole (22) to position the circular cutter (2) when it is rotated.

9. A cutter head unit according to claim 1, wherein the circular cutter (2) has a disc shape, and each of the cross blades (21) is formed integrally with a main body of the circular cutter (2).

10. A shaver, characterized in that the shaver comprises at least one head unit, which is a head unit according to any one of claims 1-9.

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