CN216707572U - A tool bit structure and eyebrow pencil that repaiies of two-sided cutting of eyebrow pencil - Google Patents

Abstract

The utility model discloses a double-sided cutting tool bit structure for an eyebrow trimming pen, which comprises a tool bit body, wherein the top of the tool bit body is intersected by a front slope and a rear slope to form a structure with a high middle part and low front and rear sides, a front blade and a rear blade are arranged on the tool bit body, a front supporting surface and a rear supporting surface for supporting the skin are respectively formed on the front slope and the rear slope, in a use state, the front blade and the front supporting surface are arranged at an acute angle, and the cutting edge of the front blade is exposed from the front slope and can scrape the skin when the front supporting surface moves along the skin; and/or the rear blade and the rear support surface are arranged at an acute angle, and the cutting edge of the rear blade is exposed from the rear slope and can scrape the skin when the rear support surface moves along the skin. The utility model also discloses a eyebrow shaping pen which comprises a handle and the tool bit structure, wherein the tool bit structure is simple in structure and flexible to use, and the axis L of the tool bit body is overlapped or basically overlapped with the axis of the handle.

Description

A tool bit structure and eyebrow pencil of repairing of two-sided cutting for repairing eyebrow pencil

[ technical field ] A method for producing a semiconductor device

The utility model relates to a cutter head structure for double-sided cutting of an eyebrow trimming pen, and also relates to the eyebrow trimming pen.

[ background of the utility model ]

The existing eyebrow trimming pen is small, only one blade is used for shaving eyebrows from one direction generally, the eyebrows are provided with left and right sides, most people generally have the right hand more flexible than the left hand, therefore, the people generally use the right hand to operate, in consideration of safety, the eyebrows are shaved along the eyebrow direction generally, the eyebrows are shaved from the eyebrow center to the two sides generally, after the eyebrows on one side are repaired by holding the eyebrow trimming pen with the right hand, the eyebrows on the other side are repaired, the direction of the eyebrow trimming pen needs to be rotated, the blade direction is adjusted to be held and then operated, the position of the holding pen needs to be adjusted again, and the continuity of trimming the eyebrows on the left and the right is poor. In addition, the head of the eyebrow trimming pen is small in size, so that the eyebrow trimming pen can be used for carving characters and patterns on a human body in a manner of scraping body hair, and can only scrape hair from one direction, so that the flexibility of carving patterns is influenced.

In addition, the top surface of the existing eyebrow trimming pen is basically of a flat-top structure, the blade is protruded above the flat top, and when in use, the eyebrow trimming pen is usually used for shaving hair by moving the top surface close to the skin, so that the eyebrow trimming pen is generally held by a hand at an angle basically vertical to the skin, and hairs on finger joints and other hairs at parts which do not need to be used opposite to a mirror can be shaved conveniently. However, when the eyebrow trimming pen is used for trimming eyebrows facing a mirror, the user can easily block the sight when holding the eyebrow trimming pen by hand, a proper view angle and a proper handle holding posture need to be adjusted, the use angle is not correct and the cutting performance is poor when the view is adjusted, the posture and the view need to be adjusted repeatedly, and the use performance of the product is not affected finally, but the use experience of the product is reduced undoubtedly.

The present invention has been made for this purpose.

[ Utility model ] content

The utility model aims to solve the technical problem of providing a double-sided cutting tool bit structure for an eyebrow trimming pen, which has the characteristics of simple structure, good use visual field, good use flexibility, smooth pen holding operation and sharp cutting, can trim eyebrow, and can be used for scraping body hair on head lettering and small parts such as finger joints and other parts needing to be trimmed.

In order to solve the technical problem, the utility model relates to a double-sided cutting tool bit structure for an eyebrow trimming pen, which comprises a tool bit body, wherein the top of the tool bit body is intersected by a front slope and a rear slope to form a structure with a high middle part and two low front and rear sides, the tool bit body is provided with a front blade and a rear blade, the front slope and the rear slope are respectively provided with a front supporting surface and a rear supporting surface for supporting the skin,

in a use state, the front blade and the front supporting surface form an acute angle, and the cutting edge of the front blade is exposed out of the front slope and can scrape the skin when the front supporting surface moves along the skin; and/or the rear blade and the rear supporting surface are arranged at an acute angle, and the cutting edge of the rear blade is exposed from the rear slope and can scrape the skin when the rear supporting surface moves along the skin.

According to the double-sided cutting tool bit structure for the eyebrow trimming pen, the front blade and the rear blade are bent into the arc shape, the cutting edges of the front blade and the rear blade are of the corresponding arc structures, the arc surface of the concave part of the front blade faces to the direction of the side of the front supporting surface at the acute angle, and the arc surface of the concave part of the rear blade faces to the direction of the side of the rear supporting surface at the acute angle.

According to the double-sided cutting tool bit structure for the eyebrow trimming pen, the front blade and the rear blade are of an integral structure, and a front blade and a rear blade are formed at the front end and the rear end of the same blade body; or the front blade and the rear blade are independent blades and are respectively arranged on the cutter head body.

The cutter head structure for double-sided cutting of the eyebrow pencil comprises the front slope, the front slope and the rear slope, wherein the front slope is inclined at an angle A of 15-70 degrees relative to a plane H perpendicular to the axis L of the cutter head body, and the rear slope is inclined at an angle B of 15-70 degrees relative to the plane H perpendicular to the axis L of the cutter head body.

The structure of the double-sided cutting tool bit for the eyebrow trimming pencil is characterized in that the front slope is inclined more than the rear slope.

According to the double-sided cutting tool bit structure for the eyebrow trimming pen, the front face and the back face of the front blade and the back face of the back blade are respectively intersected to form the cutting edges, the two side faces at the two ends of the cutting edges are positioned in the left and right directions of the tool bit body, in a use state, the direction of one side, forming an acute angle, of the front blade and the front supporting face faces forwards, and the direction of one side, forming an acute angle, of the back blade and the back supporting face faces backwards.

According to the double-sided cutting tool bit structure for the eyebrow trimming pen, the cutting edge of the front blade is deviated from the center of the front slope and is arranged forwards, and the cutting edge of the rear blade is deviated from the center of the rear slope and is arranged backwards.

According to the double-sided cutting tool bit structure for the eyebrow trimming pen, the front side and the rear side of the tool bit body are respectively provided with the comb teeth positioned on the front side of the front blade and the comb teeth positioned on the rear side of the rear blade.

According to the double-sided cutting tool bit structure for the eyebrow trimming pen, when the front slope and the rear slope are respectively taken as references, the comb teeth on the front side and the rear side are respectively lower than the corresponding front slope and the corresponding rear slope, and in a use state, the cutting edge of the front blade is higher than the top of the comb tooth on the side where the front blade is located and is slightly higher than the front slope; and the cutting edge of the rear blade is higher than the top of the comb teeth on one side where the rear blade is located and slightly higher than the rear slope.

According to the double-sided cutting tool bit structure for the eyebrow trimming pen, the hair discharging cavity is formed between the comb teeth and the front blade or the rear blade and communicated with the tooth gaps on the two sides of each comb tooth, and the hair discharging gaps are formed between the upper ends of the comb teeth and the front blade or the rear blade and used for allowing scraped hair to enter the hair discharging cavity.

In the above-mentioned double-sided cutting head structure for the eyebrow pencil, in the use state, the cutting edge of the front blade is higher than the front slope by 0.10mm or less, the cutting edge of the rear blade is higher than the rear slope by 0.10mm or less, and the cutting edges of the front blade and the rear blade are respectively higher than the corresponding comb teeth by 0.02mm or more and 0.30mm or less.

According to the double-sided cutting head structure for the eyebrow trimming pen, when the front slope and the rear slope are taken as references respectively, the cutting edges of the front blade and the rear blade are respectively high in the middle and low on the left and right sides, the left and right ends of the cutting edge of the front blade are lower than the front slope, and the middle part of the cutting edge of the front blade is higher than the front slope; the left end and the right end of the cutting edge of the rear blade are lower than the rear slope, and the middle part of the cutting edge of the rear blade is higher than the rear slope; and sinking cavities which are sunk and used for exposing the ends of the front blade and the rear blade with the cutting edges are respectively arranged on the back surfaces of the front blade and the rear blade on the front slope and the rear slope.

The utility model provides a tool bit structure for two-sided cutting of eyebrow pencil, the tool bit body includes the enclosing cover to and fix the interior knife rest at the enclosing cover inboard, be equipped with the first arc portion of evagination up on the interior knife rest, be equipped with the second arc portion of indent in the enclosing cover, thereby first arc portion compresses tightly preceding blade and back blade and makes preceding blade and back blade crooked become the arc on second arc portion.

The double-sided cutting tool bit structure for the eyebrow trimming pen is characterized in that the blade body is provided with more than two positioning holes along the length direction, the top of the first arc-shaped portion is provided with more than two positioning columns matched with the positioning holes, the second arc-shaped portion is provided with a yielding hole corresponding to the positioning columns, and the center of each positioning column is located in a plane corresponding to the highest point of the arc surface of the first arc-shaped portion.

According to the double-sided cutting tool bit structure for the eyebrow trimming pen, the front blade and the rear blade are fixed on the tool bit body, and the front blade and the rear blade are always in a use state on the tool bit body; or the front blade and the rear blade can be connected in the cutter head body in a lifting way, and the front blade and the rear blade are in a use state in a lifting way.

The utility model aims to solve another technical problem of providing an eyebrow shaping pen which is provided with a double-sided cutting structure, so that the eyebrow shaping pen does not need to rotate 180 degrees on the hand to adjust the position, only needs to grasp the eyebrow shaping pen to perform reverse cutting from a forward cutting pendulum direction, has the characteristics of simple structure, good use visual field, good use flexibility, smooth pen holding operation and sharp cutting, and can be used for shaping eyebrows, carving characters on the head, scraping body hair on small parts such as finger joints and scraping body hair on other parts needing fine modification.

In order to solve the technical problem, the eyebrow shaping pen comprises a pen-shaped handle and the tool bit structure for double-sided cutting of the eyebrow shaping pen, wherein the tool bit structure is fixedly or detachably mounted at one end of the handle in a mode that the axis L of the tool bit body is coincident or basically coincident with the axis of the handle.

Compared with the prior art, the utility model has the following advantages:

1. the utility model forms a bidirectional cutting structure by the front slope, the front blade, the rear slope and the rear blade, and the front blade and the front slope form a front supporting surface at an acute angle, and the rear blade and the rear slope form a rear supporting surface at an acute angle. When the hair is shaved, the front slope or the rear slope moves along the skin, and the blade on the side close to the skin is inclined relative to the skin to form an inclined cutting angle so as to ensure the cutting sharpness. After adorning this tool bit structure on the handle of repairing the eyebrow pencil, when the one side at slope place moved and scrapes the body hair next to skin before, perhaps, when the one side at slope place was followed skin and is removed and scrape the body hair later, the handle all is partial to one side, the head that blocks this tool bit structure when avoiding the finger to hold between the fingers the handle to provide an open field of vision for the head of this tool bit structure, conveniently see the hair position of scraping that it located, consequently, when guaranteeing to shave the sharpness, still have a comfortable eyebrow posture of repairing and good field of vision. In addition, because the front slope, the front blade, the rear slope and the rear blade form a bidirectional cutting structure, when one side where the front slope is located is attached to the skin and moves in one direction to scrape body hair, when reverse shaving is needed, the user still holds the eyebrow trimming pen by fingers, only needs to reversely swing the handle along the inclined direction of the handle to the other side and reversely rotate the rear slope to be attached to the skin, and then the user can reversely move to scrape the body hair attached to one side of the rear slope and attach to the skin, and the user does not need to manually rotate the eyebrow trimming pen, adjust the direction and then hold the eyebrow trimming pen again and shave in the reverse direction. The utility model provides convenient reversing operation for trimming the eyebrows of the left and right eyebrows and lettering and carving, and has the advantages of more flexible use, smoother pen holding operation and better use experience for users.

2. The front blade and the rear blade which are of arc structures are adopted, the total length of the cutting edges is effectively prolonged, the safety of the arc-shaped cutting edges contacting skin is better, the arc-shaped cutting edges are not easy to penetrate into skin, and the front blade and the rear blade are arranged at acute angles with the front supporting surface and the rear supporting surface respectively, so that the effect that when the front slope and the rear slope are taken as references respectively, the middle of the cutting edges of the front blade and the rear blade is high, the left side and the right side of the cutting edges of the front blade are low, the left end and the right end of the cutting edge of the front blade are lower than the front slope, and the middle part of the cutting edge of the front blade is higher than the front slope is favorably realized; similarly, the left and right ends of the cutting edge of the rear blade are lower than the rear slope, and the middle portion of the cutting edge of the rear blade is higher than the rear slope. The left and right sides of the cutting edges of the front blade and the rear blade are respectively lower than the front slope and the rear slope of the side where the cutting edges are located, so that the left and right corners of the front blade and the rear blade at the two ends of the respective cutting edges are hidden below the corresponding front slope and the corresponding rear slope, and the skin is prevented from being scratched by the corners at the two ends when the blades move in the direction of the corners at the two ends; and the middle part of the cutting edge is higher than the front slope or the rear slope, and the cutting performance is ensured through the design of the sinking cavity. Therefore, the structure can ensure that the cutter head structure has better cutting performance when shaving according to the conventional direction, can also avoid scratching the skin when moving from a plurality of different directions, and has high safety.

3. The front blade and the rear blade are of an integrated structure, the structure is simple, and the integrated structure can effectively reduce the size and is easy to produce and assemble due to the fact that the blades need a certain positioning and fixing structure for production and assembly.

4. The head volume of the cutter head structure can be smaller, and small-area parts and accurate hair trimming are achieved.

5. Since the cutting edge is pressed under the front slope or the rear slope at the time of cutting, and since the outer edge of the top of the head body is seen at the time of moving shaving, in order to reduce a feeling of lag between a position seen by eyes and a shaving position during moving shaving and further improve the precision of shaving, the cutting edge of the front blade is disposed offset from the center of the front slope and forward, and the cutting edge of the rear blade is disposed offset from the center of the rear slope and rearward.

6. In the use state, the height of the cutting edge of the front blade above the front slope is controlled to be less than 0.10mm, preferably less than 0.05mm, and the height of the cutting edge of the rear blade above the rear slope is controlled to be less than 0.10mm, preferably less than 0.05 mm; the cutting edges of the front blade and the rear blade are respectively higher than the comb teeth at the corresponding positions at the positions corresponding to the comb teeth, the height of the comb teeth is controlled to be more than 0.02mm and less than 0.30mm, preferably more than 0.05mm and less than 0.20mm, the comb teeth can effectively comb hair, meanwhile, the comb teeth can effectively block the front of the front blade or the rear blade, when the front slope or the rear slope is pressed on the skin to move, meat is prevented from being excessively squeezed to be drawn into the front end of the moving direction of the front blade or the rear blade to scratch the skin, and therefore the two-side cutting structure has good cutting safety and sharpness.

7. The utility model has simple structure, simple manufacturing process and low production cost.

[ description of the drawings ]

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings, in which:

FIG. 1 is a cross-sectional view of a double-sided cutting blade structure for an eyebrow pencil according to the present invention;

FIG. 2 is a cross-sectional view of the embodiment of FIG. 1 with the front slope facing upward;

FIG. 3 is a front view of a double-sided cutting blade structure for an eyebrow pencil of the present invention;

FIG. 4 is a schematic view showing the use of the double-sided cutting head structure for an eyebrow pencil of the present invention in which one side of the front slope is shaved toward one side with skin contact;

FIG. 5 is a schematic view of the use of the side of the rear ramp for shaving in a reverse direction against the skin, opposite to the shaving direction of FIG. 4;

FIG. 6 is a schematic view of an embodiment in which the front ramp has a greater inclination than the rear ramp;

FIG. 7 is a schematic view of an embodiment in which the front blade and the rear blade are separate structures;

FIG. 8 is a schematic view of an embodiment of a cambered surface structure with a concave front slope and a concave rear slope;

FIG. 9 is a schematic view of an embodiment of a cambered surface structure in which the front slope and the rear slope are convex;

fig. 10 is a schematic structural view of a front blade and a rear blade in an integrated structure.

[ detailed description ] embodiments

The utility model is further described below with reference to the accompanying drawings:

the structure of the double-sided cutting blade for the eyebrow trimming pencil as shown in fig. 1 to 10 comprises a blade body 1 with a cylindrical structure, wherein the top of the blade body 1 is formed by intersecting a front slope 2 and a rear slope 3 to form a structure with a high middle part and two low front and rear sides, a front blade 4 and a rear blade 5 are arranged on the blade body 1, and a front supporting surface 21 and a rear supporting surface 31 for supporting on the skin are respectively formed on the front slope 2 and the rear slope 3;

in the using state, the front blade 4 and the front supporting surface 21 form an acute angle, and the cutting edge 40 of the front blade 4 is exposed from the front slope 2 and can scrape the skin when the front supporting surface 21 moves along the skin; and/or the rear blade 5 is arranged at an acute angle to the rear support surface 31, and the cutting edge 40 of the rear blade 5 emerges from the rear ramp 3 and is adapted to scrape the skin against the cutting edge of the rear blade 5 when the rear support surface 31 is moved against the skin.

As shown in fig. 1, the front blade 4 and the rear blade 5 are preferably fixed on the cutter head body 1, the front blade 4 and the rear blade 5 are always in a use state on the cutter head body 1, and a cap can be added on the eyebrow trimming pen to cover the outer side of the eyebrow trimming pen with respect to the protection problem of the front blade 4 and the rear blade 5.

Of course, the front blade 4 and the rear blade 5 may be connected in the cutter head body 1 in a lifting manner, and the front blade 4 and the rear blade 5 are in a use state in a lifting state. Adopt elevation structure, be favorable to not descending preceding blade 4 and back blade 5 at the user state, protection blade. As for the structure of the lifting, reference may be made to utility model patent No. CN 202022181675.4.

When the hair is shaved, the front slope 2 or the rear slope 3 moves along the skin, the front supporting surface 21 or the rear supporting surface 31 presses on the skin, and the blade on the side close to the skin is inclined relative to the skin to form an inclined cutting angle, so that the cutting sharpness is ensured. After the cutter head structure is arranged on the handle 10 of the eyebrow trimming pen, as shown in fig. 4, when the side where the front slope 2 is located moves to scrape off the body hair 8 against the skin 7, or as shown in fig. 5, when the side where the rear slope 3 is located moves to scrape off the body hair 8 against the skin 7, the handle 10 is deviated to one side, the head of the cutter head structure is prevented from being blocked when the handle 10 is pinched by fingers, so that an open visual field is provided for the head of the cutter head structure, the hair scraping position where the cutter head structure is located is convenient to see, and therefore, the eyebrow trimming pen has a comfortable eyebrow trimming posture and a good visual field while the sharpness is ensured. Because the front slope 2, the front blade 4, the back slope 3 and the back blade 5 form a bidirectional cutting structure, when one side of the front slope 2 is attached to the skin 7 and moves towards one direction to scrape the body hair 8, when the user wants to shave reversely, the user still holds the eyebrow trimming pen by fingers, only needs to swing the handle reversely along the inclined direction of the handle to the other side and reversely attach the back slope 3 to the skin, and then the user can reversely move the body hair 8 by attaching the back slope 3 to the skin 7 on one side of the back slope 3, and does not need to rotate the eyebrow trimming pen on hand, adjust the direction and then hold the eyebrow trimming pen again and shave reversely, for example, the user direction shown in fig. 4 is reversed to the use direction shown in fig. 5. The utility model provides convenient reversing operation for trimming the eyebrows of the left and right eyebrows and lettering and carving, and has the advantages of more flexible use, smoother pen holding operation and better use experience for users.

The two blades form two acute angles with the two supporting surfaces, the angle of the acute angle is controlled between 10 degrees and 80 degrees, preferably between 30 degrees and 60 degrees, so that when the two supporting surfaces are not evenly attached to the skin during cutting, if one side is slightly tilted, the corresponding blades can also form an inclined cutting angle with the skin well.

In the embodiment shown in fig. 1 and 6, preferably, the angle a of the front slope 2 is inclined with respect to the plane H perpendicular to the axis L of the cutter head body 1, the angle B of the rear slope 3 is inclined with respect to the plane H perpendicular to the axis L of the cutter head body 1, and the angle A, B is respectively between 15 ° and 70 °, preferably between 20 ° and 60 °, in this range, when the eyebrow pencil is cut by the front slope or the rear slope against the skin, the eyebrow pencil has a better operability under the premise of satisfying the visual field.

As in the embodiment shown in fig. 6 and 7, the front slope 2 has a greater inclination than the rear slope 3. The cutting structure on the side corresponding to the front slope 2 can be used as a forward cutting, i.e. a smooth side operated by a human hand, while the cutting structure on the side corresponding to the rear slope 3 can be used as a backward cutting, for example, when eyebrow trimming, the user can hold the eyebrow trimming pen with the right hand to perform the operation, and the right-hand hair shaving is a smooth direction. The eyebrow shaping pen can have larger inclination when cutting in the positive direction; in order to ensure that the eyebrow trimming pen has a proper pen holding operation posture during reverse cutting, the inclination of the eyebrow trimming pen is not too large, and the eyebrow trimming pen not only provides a visual field convenient for cutting and observation, but also has a comfortable pen holding posture during forward and reverse cutting through the limitation of the angle.

As for the structure of the front blade 4 and the rear blade 5, both may be a flat plate type structure. Of course, preferably, as shown in fig. 1, 3 and 10, the front blade 4 and the rear blade 5 are curved into an arc shape, and the cutting edges are of corresponding arc structures, so as to effectively extend the total length of the cutting edges, and the arc-shaped cutting edges are more safe to contact with the skin and are not easy to pierce the skin, and the concave arc surface of the front blade 4 faces the side of the front supporting surface 21 forming an acute angle, and the concave arc surface of the rear blade 5 faces the side of the rear supporting surface 31 forming an acute angle.

In the embodiment shown in fig. 7, the front blade 4 and the rear blade 5 are independent blades and are respectively mounted on the cutter head body 1. Of course, as shown in fig. 1, 2, 6, 8, 9 and 10, it is preferable that the front blade 4 and the rear blade 5 are an integral structure, and the front and rear edges are formed by the same blade body, so that the structure is simple, and because the production and assembly of the blades require a certain positioning and fixing structure, the integral structure can effectively reduce the volume, and is easy to produce and assemble.

As shown in fig. 1 and 2, the cutter head body 1 includes an outer cover 11, and an inner cutter frame 12 fixed inside the outer cover 11, the inner cutter frame 12 is provided with a first arc-shaped portion 121 protruding upwards, the outer cover 11 is provided with a second arc-shaped portion 111 recessed inwards, the first arc-shaped portion 121 presses the front blade 4 and the rear blade 5 against the second arc-shaped portion 111, so that the front blade 4 and the rear blade 5, which are initially flat plates, are bent into an arc shape, and the structure and the manufacturing process are simple. The inner blade carrier 12 may be an integral structure or may be formed by combining two members, and when the two members are combined, a magnet or other members may be placed inside the inner blade carrier to realize magnetic attraction connection with the handle.

The blade body is equipped with more than two locating holes 41 along its length direction, the top of first arc portion 121 is equipped with more than two reference column 122 with locating hole 41 matched with, be equipped with the hole of stepping down 112 corresponding with reference column 122 on the second arc portion 111, the center of reference column 122 is located the plane that the highest department of first arc portion 121 cambered surface corresponds, when making first arc portion 121 upwards extrude the blade body on second arc portion 111, the blade body begins upwards to arch from reference column 122 and bends into the arc, improves the positioning accuracy of reference column 122 and hole of stepping down 112.

In the embodiment shown in fig. 1 to 3, the front blade 4 and the rear blade 5 have their front blade faces and back blade faces respectively intersecting to form respective cutting edges 40, and two side faces at two ends of the cutting edges 40 are located in the left-right direction of the cutter head body 1, and in the use state, the direction of the side where the front blade 4 and the front supporting face 21 form an acute angle faces forward, and the direction of the side where the rear blade 5 and the rear supporting face 31 form an acute angle faces backward. As shown in fig. 4 and 5, when the handle 10 is attached, the front slope 2 or the rear slope 3 is pressed against the skin and moved in a direction in which the handle 10 is inclined, the center line of the cutting edge can be parallel or substantially parallel to the moving direction, the cutting edge is moved transversely, one is highly safe, and the other is also highly effective in cutting with a small size of the head portion of the cutter head structure.

The head portion of this head structure is small in size, and although a small area portion and precise shaving have been achieved, the cutting edge is pressed below the front slope 2 or the rear slope 3 at the time of cutting, since the outer edge of the top portion of the head body 1 is seen at the time of moving shaving, in order to reduce the feeling of lag between the position seen by the eyes and the shaving position during moving shaving and further improve the shaving precision, as in the embodiment shown in fig. 1 to 9, the cutting edge 40 of the front blade 4 is disposed forward offset from the center of the front slope 2, and the cutting edge 40 of the rear blade 5 is disposed rearward offset from the center of the rear slope 3.

As shown in fig. 1 to 3, comb teeth 6 are provided on the front and rear sides of the cutter head body 1 at the front side of the front blade 4 and the rear side of the rear blade 5, respectively, for combing hair to guide the cutting position.

As shown in FIG. 2, when the front slope 2 is used as a reference, the comb teeth 6 on the front side are lower than the front slope 2, and in the use state, the cutting edge of the front blade 4 is higher than the top of the comb teeth 6 on the side where the front blade is located and is slightly higher than the front slope 2. In a similar way, when back slope 3 as the reference, the rear side broach 6 is less than back slope 3, in the user state, the blade of back blade 5 is higher than the top of the broach 6 of place one side, and is a little higher than back slope 3. The structure ensures the safety of the front blade and the rear blade while ensuring the shaving performance, and is not easy to hurt people. By adopting the structure, as shown in fig. 1, the front blade 4 and the rear blade 5 are fixed on the cutter head body 1, so that the front blade 4 and the rear blade 5 are always in a use state, and the structure and the cost are simplified.

Be equipped with between preceding blade 4 and the broach 6 that corresponds and arrange hair chamber 60, also be equipped with between back blade 5 and the broach 6 that corresponds and arrange hair chamber 60, with one side arrange hair chamber 60 and the slot 61 of every broach 6 both sides communicate with each other, be convenient for lead the hair of combing to cutting to preceding blade 4 or back blade 5, also make things convenient for the flock of arranging hair chamber 60 to fall out, be equipped with between the upper end of preceding blade 4 and the broach 6 that corresponds and arrange hair seam 50, equally, also be equipped with between the upper end of back blade 5 and the broach 6 that corresponds and arrange hair seam 50, the confession is scraped hair and is got into row hair chamber 60. By adding the hair arranging slits 50, the front blade 4 and the rear blade 5 are separated from the corresponding comb teeth 5 by a slit, so that the cutting edge is easier to scrape the skin, the scraped hair and dead skin can be squeezed into and fall into the hair arranging cavity 60, and the hair is prevented from being blocked on the cutting edge to affect cutting.

Preferably, in the use state, the height of the cutting edge 40 of the front blade 4 higher than the front slope 2 is controlled to be less than 0.10mm, preferably less than 0.05mm, and the height of the cutting edge 40 of the rear blade 5 higher than the rear slope 3 is controlled to be less than 0.10mm, preferably less than 0.05 mm; the heights of the comb teeth of the positions, higher than the corresponding positions, of the cutting edges 40 of the front blade 4 and the rear blade 5 are controlled to be more than 0.02mm and less than 0.30mm, preferably more than 0.05mm and less than 0.20mm, so that the comb teeth 6 can effectively comb hair, meanwhile, the comb teeth 6 can effectively block the front of the front blade 4 or the rear blade 5, and the phenomenon that when the front slope 2 or the rear slope 3 is pressed on the skin to move, meat is excessively squeezed to be drawn into the front end of the moving direction of the front blade 4 or the rear blade 5 to scratch the skin is avoided, and therefore, the two-sided cutting structure has good cutting safety and sharpness simultaneously.

The front blade 4 and the rear blade 5 are of arc structures, and the front blade 4 and the rear blade 5 are respectively arranged at acute angles with the front supporting surface 21 and the rear supporting surface 31, so that when the front slope 2 and the rear slope 3 are respectively used as references, the cutting edges 40 of the front blade 4 and the rear blade 5 are high in the middle and low in the left and right sides, the left and right ends of the cutting edge 40 of the front blade 4 are lower than the front slope 2, and the middle part of the cutting edge 40 of the front blade 4 is higher than the front slope 2; also, the left and right ends of the cutting edge 40 of the rear blade 5 are lower than the rear slope 3, and the middle portion of the cutting edge 40 of the rear blade 5 is higher than the rear slope 3.

The left and right sides of the cutting edges of the front blade 4 and the rear blade 5 are respectively lower than the front slope 2 and the rear slope 3 at the sides, and the left and right corners of the front blade 4 and the rear blade 5 at the two ends of the respective cutting edges are hidden under the corresponding front slope 2 and the corresponding rear slope 3, so that the skin is prevented from being scratched by the corners at the two ends when the two ends move in the directions in which the corners at the two ends are located; the middle part of the cutting edge is higher than the front slope 2 or the back slope 3, especially the cutting edge is higher than the comb teeth at the corresponding position at the position opposite to the comb teeth, in addition, the back surfaces of the front blade 4 and the back blade 5 on the front slope 2 and the back slope 3 are respectively provided with a sinking cavity 20 sinking for exposing one end of the front blade 4 and the back blade 5 with the cutting edge 40, so that the whole upper end of the front blade 4 and the back blade 5 can be exposed, and only the middle part of the cutting edge is higher than the front slope 2 and the back slope 3, when the front slope 2 or the back slope 3 is pressed on the skin, the skin at the back surface of the blade at one side can be slightly extruded and protruded in the sinking cavity 20, so that the cutting edge can be better contacted with the skin for cutting, therefore, the structure can ensure that the cutter head structure has better cutting performance when scraping hair in the conventional direction, and can avoid scratching the skin when moving from a plurality of different directions, the safety is high.

As shown in fig. 6 and 7, the surface of the front slope 2 and/or the rear slope 3 is a plane or substantially nearly a plane, which is the front support surface 21 or the rear support surface 31. Of course, as shown in fig. 9, the surface of the front slope 2 and/or the rear slope 3 may also be a convex arc surface or a convex spherical surface, and the arc surface or the spherical surface is the front support surface 21 or the rear support surface 31. Or, as shown in fig. 8, the surfaces of the front slope 2 and/or the rear slope 3 are concave arc surfaces or spherical surfaces, and the surfaces connected by the raised edges of the arc surfaces or the spherical surfaces are support surfaces. The surface of the front slope 2 and/or the rear slope 3 may also be of other shapes.

A eyebrow pencil as shown in fig. 4 and 5 comprises a pen-shaped handle 10, and the above-mentioned cutter head structure, which is fixedly or detachably mounted on one end of the handle 10 in such a manner that the axis L of the cutter head body 1 coincides or substantially coincides with the axis of the handle 10. The eyebrow trimming pen has the advantages that the pen-shaped structure is adopted, fingers can be conveniently held, the size of the head of the eyebrow trimming pen head can be smaller, and small-area parts and accurate hair trimming can be achieved.

Claims (18)

1. The utility model provides a two-sided cutting's tool bit structure for repairing eyebrow pencil which characterized in that: comprises a tool bit body (1), the top of the tool bit body (1) is formed by the intersection of a front slope (2) and a rear slope (3) to form a structure with a high middle part and low front and rear sides, a front blade (4) and a rear blade (5) are arranged on the tool bit body (1), a front supporting surface (21) and a rear supporting surface (31) which are used for supporting on skin are respectively formed on the front slope (2) and the rear slope (3),

in the using state, the front blade (4) and the front supporting surface (21) form an acute angle, and the cutting edge (40) of the front blade (4) is exposed from the front slope (2) and can scrape the skin when the front supporting surface (21) moves along the skin; and/or

The rear blade (5) and the rear supporting surface (31) are arranged at an acute angle, and the cutting edge (40) of the rear blade (5) is exposed from the rear slope (3) and can scrape the skin when the rear supporting surface (31) moves along the skin.

2. A double-sided cutting blade structure for an eyebrow pencil according to claim 1, wherein: the front blade (4) and the rear blade (5) are bent into arcs, the cutting edges of the front blade and the rear blade are of corresponding arc structures, the concave arc surface of the front blade (4) faces the direction of one side of the front blade and the front supporting surface (21) forming an acute angle, and the concave arc surface of the rear blade (5) faces the direction of one side of the rear supporting surface and the rear supporting surface (31) forming an acute angle.

3. A double-sided cutting blade structure for an eyebrow pencil according to claim 2, wherein: the front blade (4) and the rear blade (5) are of an integral structure, and a front cutting edge and a rear cutting edge are formed at the front end and the rear end of the same blade body.

4. A double-sided cutting blade structure for an eyebrow pencil according to claim 2, wherein: the front blade (4) and the rear blade (5) are independent blades and are respectively arranged on the tool bit body (1).

5. A double-sided cutting blade structure for an eyebrow pencil according to claim 1, wherein: the angle A of inclination of the front slope (2) relative to a plane (H) perpendicular to the axis (L) of the cutter head body (1) is between 15 DEG and 70 DEG, and the angle B of inclination of the rear slope (3) relative to the plane (H) perpendicular to the axis (L) of the cutter head body (1) is between 15 DEG and 70 deg.

6. The structure of the double-sided cutting blade of the eyebrow trimming pencil as claimed in claim 5, wherein: the inclination of the front slope (2) is greater than that of the rear slope (3).

7. The structure of a double-sided cutting blade for an eyebrow pencil according to any one of claims 1 to 6, wherein: preceding blade (4) and back blade (5), blade front and the blade back of the two intersect respectively and form respective blade (40), and two sides that are located blade (40) both ends are located the left and right sides direction of tool bit body (1), and in the user state, preceding blade (4) and preceding holding surface (21) become the direction on one side of acute angle forward, the direction of back blade (5) and back holding surface (31) one side of acute angle is backward.

8. A double-sided cutting blade structure for an eyebrow pencil according to claim 7, wherein: the cutting edge (40) of the front blade (4) is offset from the center of the front ramp (2) and is disposed forward, and the cutting edge (40) of the rear blade (5) is offset from the center of the rear ramp (3) and is disposed rearward.

9. A double-sided cutting blade structure for an eyebrow pencil according to claim 7, wherein: the front side and the rear side of the tool bit body (1) are respectively provided with comb teeth (6) which are positioned on the front side of the front blade (4) and the rear side of the rear blade (5).

10. A double-sided cutting blade structure for an eyebrow pencil according to claim 9, wherein: when the front slope (2) and the rear slope (3) are respectively used as reference, the comb teeth (6) on the front side and the rear side are respectively lower than the corresponding front slope (2) and the corresponding rear slope (3), and in a use state, the cutting edge of the front blade (4) is higher than the top of the comb teeth (6) on the side where the front blade is located and is slightly higher than the front slope (2); the cutting edge of the rear blade (5) is higher than the top of the comb teeth (6) on the side where the rear blade is located and slightly higher than the rear slope (3).

11. A double-sided cutting blade structure for an eyebrow pencil according to claim 10, wherein: be equipped with row's hair chamber (60) between broach (6) and front blade (4) or back blade (5), it communicates with each other with tooth seam (61) of every broach (6) both sides to arrange hair chamber (60), be equipped with between the upper end of broach (6) and front blade (4) or back blade (5) and arrange hair seam (50), the hair that supplies to scrape gets into row's hair chamber (60).

12. A double-sided cutting blade structure for an eyebrow pencil according to claim 10, wherein: in the use state, the cutting edge (40) of the front blade (4) is higher than the front slope (2) by less than 0.10mm, the cutting edge (40) of the rear blade (5) is higher than the rear slope (3) by less than 0.10mm, and the cutting edges (40) of the front blade (4) and the rear blade (5) are respectively higher than the comb teeth (6) at the corresponding positions by more than 0.02mm and less than 0.30 mm.

13. A blade structure for double-sided cutting of an eyebrow pencil according to any one of claims 2 to 6 and 8 to 12, wherein: when the front slope (2) and the rear slope (3) are respectively taken as reference, the cutting edges (40) of the front blade (4) and the rear blade (5) are respectively high in the middle and low on the left and right sides, the left and right ends of the cutting edge (40) of the front blade (4) are lower than the front slope (2), and the middle part of the cutting edge (40) of the front blade (4) is higher than the front slope (2); the left end and the right end of the cutting edge (40) of the rear blade (5) are lower than the rear slope (3), and the middle part of the cutting edge (40) of the rear blade (5) is higher than the rear slope (3); the back that lies in preceding blade (4) and back blade (5) on preceding slope (2) and back slope (3) is equipped with respectively sunken lower chamber (20) that are used for preceding blade (4) and back blade (5) to have the one end of blade (40) to expose.

14. A double-sided cutting blade structure for an eyebrow pencil according to claim 3, wherein: tool bit body (1) includes enclosing cover (11) to and fix in enclosing cover (11) inboard interior knife rest (12), be equipped with first arc portion (121) of evagination up on interior knife rest (12), be equipped with second arc portion (111) of indent in enclosing cover (11), thereby first arc portion (121) compress tightly preceding blade (4) and back blade (5) on second arc portion (111) and make preceding blade (4) and back blade (5) crooked into the arc.

15. A double-sided cutting blade structure for an eyebrow pencil according to claim 14, wherein: the blade body is equipped with more than two locating holes (41) along its length direction, the top of first arc portion (121) is equipped with more than two and locating column (122) with locating hole (41) matched with, be equipped with on second arc portion (111) and step down hole (112) corresponding with locating column (122), the center of locating column (122) is located the plane that first arc portion (121) cambered surface peak corresponds.

16. A blade structure for double-sided cutting of an eyebrow pencil according to any one of claims 1 to 6, 8 to 12 and 14 to 15, wherein: the front blade (4) and the rear blade (5) are fixed on the tool bit body (1), and the front blade (4) and the rear blade (5) are always in a use state on the tool bit body (1).

17. A blade structure for double-sided cutting of an eyebrow pencil according to any one of claims 1 to 6 and 8 to 12, wherein: the front blade (4) and the rear blade (5) are connected in the tool bit body (1) in a lifting mode, and the front blade (4) and the rear blade (5) are in a use state in a lifting mode.

18. The utility model provides a eyebrow pencil which characterized in that: a handle (10) comprising a pen shape, and a blade structure for double-sided cutting of an eyebrow pencil according to any one of claims 1 to 17, which is fixedly or detachably mounted on one end of the handle (10) in such a manner that the axis (L) of the blade body (1) coincides or substantially coincides with the axis of the handle (10).

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