CN114043535B - Eyebrow pencil and its manufacturing method - Google Patents
Eyebrow pencil and its manufacturing method Download PDFInfo
- Publication number
- CN114043535B CN114043535B CN202111451984.1A CN202111451984A CN114043535B CN 114043535 B CN114043535 B CN 114043535B CN 202111451984 A CN202111451984 A CN 202111451984A CN 114043535 B CN114043535 B CN 114043535B
- Authority
- CN
- China
- Prior art keywords
- blade
- arc
- eyebrow pencil
- tip
- cutting edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000004709 eyebrow Anatomy 0.000 title claims abstract description 72
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 87
- 210000003128 head Anatomy 0.000 claims abstract description 50
- 230000001154 acute effect Effects 0.000 claims abstract description 13
- 210000004209 hair Anatomy 0.000 claims description 40
- 244000126211 Hericium coralloides Species 0.000 claims description 3
- 210000000887 face Anatomy 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 description 11
- 238000007790 scraping Methods 0.000 description 6
- 238000009966 trimming Methods 0.000 description 6
- 238000006748 scratching Methods 0.000 description 4
- 230000002393 scratching effect Effects 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 3
- 241001270131 Agaricus moelleri Species 0.000 description 2
- 210000001145 finger joint Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000037368 penetrate the skin Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/40—Details or accessories
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
- A45D40/20—Pencil-like cosmetics; Simple holders for handling stick-shaped cosmetics or shaving soap while in use
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/40—Details or accessories
- B26B21/4012—Housing details, e.g. for cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/40—Details or accessories
- B26B21/4068—Mounting devices; Manufacture of razors or cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/54—Razor-blades
- B26B21/56—Razor-blades characterised by the shape
- B26B21/565—Bent razor blades; Razor blades with bent carriers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Knives (AREA)
Abstract
The invention discloses a tool bit of a eyebrow pencil, which comprises a tool bit body, wherein an inclined top is arranged at the top of the tool bit body, a blade is arranged on the tool bit body, a supporting surface for supporting on skin during cutting is formed on the inclined top, the supporting surface is inclined relative to a plane H perpendicular to an axis L of the tool bit body, in a use state, an acute angle is formed between the blade and the supporting surface, and the cutting edge of the blade is exposed from the inclined top and can scrape the skin when the supporting surface is used for being moved against the skin. The invention also discloses a method for manufacturing the tool bit of the eyebrow pencil. The invention also discloses a eyebrow pencil, which comprises the pencil-shaped handle and the pencil-shaped pencil head, wherein the pencil head is fixed or detachably arranged at one end of the handle in a mode that the axis L of the pencil head body is coincident with or basically coincident with the axis L of the handle.
Description
[ Field of technology ]
The invention relates to a tool bit of an eyebrow pencil, a method for manufacturing the tool bit of the eyebrow pencil and the eyebrow pencil.
[ Background Art ]
The top surface of the existing eyebrow pencil is basically of a flat-top structure, the blade is protruded above the flat top, and when the eyebrow pencil is used for shaving hair, the top surface is usually used for moving the eyebrow pencil against the skin, so that the eyebrow pencil is usually held at an angle basically perpendicular to the skin for shaving hair, and the hair on the finger joints and other parts which do not need to be used against a mirror can be conveniently shaved. However, when the user looks at the mirror to trim the eyebrow, the user can easily hold the eyebrow trimming pen by the finger, and the user needs to particularly adjust a proper viewing angle and a posture of holding the handle, and often when the user adjusts the viewing angle, the user can use the angle to be different, the cutting performance becomes poor, and the user needs to repeatedly adjust the posture and the viewing field, so that the use performance of the product is not affected, but the use experience of the product is definitely reduced. In addition, the existing eyebrow trimming knife is easy to hurt people when in use, has poor safety, needs special careful operation and has poor use experience. The invention is based on the object of further improving the performance and the use experience of the eyebrow pencil, which is the key to winning the acceptance of the user in determining success or failure of the details.
[ Invention ]
The invention aims to solve the technical problem of providing a tool bit of a eyebrow pencil, which has the characteristics of simple structure, good use hand feeling, smooth pencil holding operation and sharp cutting, and can be used for trimming eyebrows, carving and scraping small parts such as body hair on a knuckle on the head and scraping other body hair needing to be trimmed.
In order to solve the technical problems, the tool bit of the eyebrow pencil comprises a tool bit body, wherein an inclined top is arranged at the top of the tool bit body, a blade is arranged on the tool bit body, a supporting surface for supporting on skin during cutting is formed on the inclined top, the supporting surface is inclined relative to a plane H perpendicular to an axis L of the tool bit body, in a use state, an acute angle is formed between the blade and the supporting surface, and the cutting edge of the blade is exposed from the inclined top and can scrape the skin when the supporting surface is used for being adhered to the skin.
According to the tool bit of the eyebrow pencil, the inclined top faces forwards and backwards, the front face and the back face of the blade are intersected to form the cutting edge, the two side faces located at the two ends of the cutting edge are located in the left-right direction of the tool bit body, and in a use state, the direction of one side of the blade, which forms an acute angle with the supporting face, is the front.
In the eyebrow pencil, the cutting edge of the blade is deviated from the center of the inclined top and is arranged in front.
The front end of the cutter head body is provided with the comb teeth positioned at the front side of the blade, and the comb teeth are used for combing hair.
When the oblique top is used as a reference, the comb teeth are lower than the oblique top, and in a use state, the cutting edge of the blade is higher than the top of the comb teeth and slightly higher than the oblique top.
According to the tool bit of the eyebrow pencil, the hair discharging cavity is arranged between the comb teeth and the blades, the hair discharging cavity is communicated with the tooth slits on two sides of each comb tooth, and the hair discharging slits are arranged between the blades and the upper ends of the comb teeth and used for enabling scraped hair to enter the hair discharging cavity.
In the use state, the highest part of the cutting edge of the blade is higher than the inclined top by 0.10mm or less, and the cutting edge of the blade is higher than the comb teeth at the corresponding position by 0.02mm or more and 0.30mm or less at the position opposite to the comb teeth.
According to the tool bit of the eyebrow pencil, the blade is bent into the arc shape, the cutting edge of the blade is of the corresponding arc-shaped structure, and the concave arc surface faces the direction of one side of the acute angle between the blade and the supporting surface.
When the oblique top is used as a reference, the middle of the cutting edge of the blade is high, the left side and the right side of the cutting edge are low, the left end and the right end of the cutting edge are lower than the oblique top, the middle part of the cutting edge is higher than the oblique top, and a sinking cavity which is sunken and is used for exposing one end of the blade with the cutting edge is arranged on the back of the blade on the oblique top.
The utility model provides a tool bit of eyebrow pencil, the tool bit body includes the enclosing cover, and fixes the preceding interior knife rest and the back interior knife rest of enclosing cover inboard, be equipped with the first arc portion of evagination on the preceding interior knife rest, be equipped with the second arc portion of indent on the back interior knife rest, thereby first arc portion compresses tightly the blade on second arc portion makes the blade crooked into the arc.
The blade is fixed on the blade body, and the blade is always in a use state on the blade body; or the blade is connected in the cutter head body in a lifting way, and the blade is in a use state when lifted.
In the eyebrow pencil according to the present invention, the supporting surface is inclined at an angle a between 15 ° and 70 ° with respect to a plane H perpendicular to the axis L of the pencil body.
The tool bit of the eyebrow pencil is characterized in that the inclined top is low in front and high in back; or the pitched roof the front part is high and the back part is low.
Another technical problem to be solved by the invention is to provide a method for manufacturing the tool bit of the eyebrow pencil, which has the characteristics of simple process and easy production and manufacture.
In order to solve the technical problems, the method for manufacturing the tool bit of the eyebrow pencil comprises providing a thin sheet-shaped flat blade, processing a linear cutting edge at one end of the blade, processing a rectangular groove at the other end of the blade, processing a positioning hole in the middle of the blade, wherein the rectangular groove and the positioning hole are bilaterally symmetrical relative to the center of the blade,
Providing a rear inner cutter frame, wherein the rear inner cutter frame is provided with an inner top and a rear main body which are arranged in an L shape, the inner top is provided with a second concave arc-shaped part, the junction of the inner top and the rear main body is provided with ribs matched with a rectangular groove, the inner top is provided with a yielding groove, the rear inner cutter frame is arranged in a pitching mode, the blade is leaned against the inner top, the rectangular groove is clamped on the ribs to position the blade, at the moment, the position of a positioning hole corresponds to the yielding groove,
Providing a front inner tool rest, wherein the front inner tool rest is provided with a convex first arc-shaped part, the first arc-shaped part is provided with a positioning column matched with a positioning hole and a rib position groove matched with a rib,
A buckling structure which is buckled with each other is arranged between the front inner tool rest and the rear inner tool rest, the buckling structure comprises a buckling groove and a buckling flange which are matched with each other, and a column hole and a plunger which are in interference fit with each other,
The upper end of the front inner tool rest is obliquely downward, the positioning column is obliquely inserted into the positioning hole, after the first arc-shaped part presses the blade on the second arc-shaped part, the front inner tool rest is rotated to be buckled on the rear inner tool rest, the assembly of the front inner tool rest and the rear inner tool rest is completed, the blade is extruded between the first arc-shaped part and the second arc-shaped part to obtain an inner core, the upper part of the inner core forms an upper assembly section,
The outer cover is provided, the upper portion of outer cover is equipped with the pilot hole, inserts the inner core from the lower assembly to the outer cover in fixed, go up the pilot hole interference fit in fore-and-aft direction with last pilot hole, after the assembly, the outer cover hugs tightly the upper portion of preceding interior knife rest and back interior knife rest, extrudees the blade into the arc through first arc portion and second arc portion.
In the method for manufacturing the eyebrow pencil tool bit, after the first arc-shaped part and the second arc-shaped part extrude the blade into an arc shape and fix the blade, one surface of the blade is tightly attached to the first arc-shaped part, the other surface of the blade is tightly attached to the second arc-shaped part, the middle part of the blade is provided with a gap with the second arc-shaped part, and the left side and the right side of the blade are tightly attached to the second arc-shaped part.
The invention aims to solve the other technical problem of providing the eyebrow pencil which has the characteristics of simple structure, good use hand feeling, smooth pencil holding operation and sharp cutting, and can be used for shaving eyebrows, carving head and scraping body hair on small parts such as finger joints and scraping other body hair on parts needing fine trimming.
In order to solve the technical problems, the eyebrow pencil comprises a pencil-shaped handle and the eyebrow pencil cutter head, wherein the cutter head is fixedly or detachably arranged at one end of the handle in a mode that the axis L of the cutter head body is coincident with or basically coincident with the axis L of the handle.
Compared with the prior art, the invention has the following advantages:
1. According to the invention, through the arrangement of the inclined roof, the blade and the supporting surface formed by the inclined roof are arranged at an acute angle, when the inclined roof is used for scraping hair, the blade moves against the skin, so that the blade is inclined relative to the skin, an inclined cutting angle is formed, and the sharpness of cutting is ensured. The tool bit is arranged on the handle of the eyebrow pencil, the handle is scraped Mao Shi, the inclined top is attached to the skin, the handle is deviated to one side, the head of the tool bit is prevented from being blocked when the finger holds the handle, so that an open visual field is provided for the head of the tool bit, the hair scraping position of the tool bit is convenient to see, and therefore, the user can use the tool bit while shaving sharpness is guaranteed, and meanwhile, the tool bit has a comfortable eyebrow shaving posture and visual field.
2. The oblique top is in front-back orientation, two side faces at two ends of the blade are in left-right direction, after the handle is arranged, the oblique top is pressed on the skin and moves in the inclined direction or the opposite direction of the handle, the center line of the blade edge can be parallel or basically parallel to the moving direction, the blade edge of the blade moves transversely, one safety is good, and the other cutting range can be good when the head of the cutter head has a small volume.
3. Because the blade's blade is pressed in the below of pitched roof when cutting, because the removal shaves the outward flange at tool bit body top that sees, the blade's blade is the center of deviating pitched roof and setting forward, then reduces the removal and shaves the in-process, and eyes see the hysteresis that exists between position and the hair position of shaving to and further improve the precision of shaving.
4. The comb teeth are lower than the inclined tops, and in a use state, the cutting edges of the blades are higher than the tops of the comb teeth and slightly higher than the inclined tops, so that the safety of the blades is guaranteed while the shaving performance is guaranteed, and people are not easy to hurt.
5. The arc-shaped blade is adopted, the combined blade and the supporting surface form an acute angle, when the inclined top is used as a reference, the middle of the cutting edge of the blade is high, the left side and the right side of the cutting edge are low, the left end and the right end of the cutting edge are lower than the inclined top, and the middle part of the cutting edge is higher than the inclined top. The left and right edges of the blade are lower than the oblique top, so that the left and right corners of the blade are hidden below the oblique top, and when a user does not move in a mode of transversely crossing the edge of the blade, the two corners are prevented from scratching skin when moving in the direction of the two corners; the middle part of the cutting edge is higher than the inclined top, particularly the cutting edge of the blade is higher than the comb teeth at the position corresponding to the comb teeth, in addition, a sunken cavity is formed in the inclined top and positioned on the back of the blade, so that one end of the blade with the cutting edge is exposed, the upper end of the whole blade can be exposed, only the middle part of the cutting edge is higher than the inclined top, and when the inclined top is pressed on the skin, the skin on the back of the blade can be slightly extruded and raised in the sunken cavity, so that the cutting edge can better contact the skin to cut. Therefore, the cutter head has better cutting performance when moving in the correct direction, and can avoid scratching the skin when moving from a plurality of different directions, thereby having high safety.
6. The head volume of the cutter head can be smaller, and small-area parts and accurate hair trimming are realized.
7. The invention has simple structure, simple manufacturing process and low production cost.
[ Description of the drawings ]
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a cross-sectional view of an embodiment of the low front and high rear of a beveled tip in the tip of a eyebrow pencil in accordance with the present invention;
FIG. 2 is a cross-sectional view of the embodiment of FIG. 1 with the angled roof facing upward;
FIG. 3 is a front view of an embodiment of the low front and high rear of the beveled tip in the tip of the eyebrow pencil of the present invention;
FIG. 4 is a schematic view showing the use of the embodiment of the low front and high rear of the beveled tip in the tip of the eyebrow pencil according to the present invention in shaving;
FIG. 5 is a schematic view of an embodiment of a tip of a eyebrow pencil of the present invention having a planar beveled tip with a low front and a high rear;
FIG. 6 is a schematic view of an embodiment of a tip of a eyebrow pencil of the present invention having a convex curved surface beveled tip with a low front and a high rear;
FIG. 7 is a schematic view of an embodiment of a tip of a eyebrow pencil of the present invention having a concave spherical beveled tip with a low front and a high rear;
FIG. 8 is a schematic view of an embodiment of a tip of a eyebrow pencil of the present invention having a concave curved slanted tip with a low front and a high rear;
FIG. 9 is a cross-sectional view of an embodiment of the tip of the eyebrow pencil of the present invention with a top angled forward and a bottom angled rearward;
FIG. 10 is a top view of the embodiment of FIG. 9;
FIG. 11 is a schematic view showing the use of the embodiment of the tip of the eyebrow pencil according to the present invention when shaving;
FIG. 12 is a schematic view of an embodiment of a tip of a eyebrow pencil of the present invention having a planar beveled tip with a high front and a low rear;
FIG. 13 is a schematic view of an embodiment of a tip of a eyebrow pencil of the present invention having a convex curved surface beveled tip with a high front and a low rear;
FIG. 14 is a schematic view of an embodiment of a tip of a eyebrow pencil of the present invention having a concave spherical beveled tip with a high front and a low rear;
FIG. 15 is a schematic view of an embodiment of a tip of a eyebrow pencil of the present invention having a concave curved slanted tip with a high front and a low rear;
FIG. 16 is a schematic view of a structure of a flat plate-shaped blade;
FIG. 17 is a schematic view of the structure of an arcuate blade;
FIG. 18 is a schematic view of the rear inner head in elevation;
FIG. 19 is a schematic view of the blade on the rear inner blade carrier;
FIG. 20 is a schematic view of the front inner carriage;
FIG. 21 is a schematic view of the assembly of the front inner tool post with the rear inner tool post;
FIG. 22 is a schematic illustration of the front inner tool post and the rear inner tool post assembled together to form the core;
Fig. 23 is a schematic view of the first and second arcuate portions pressing the blade into an arcuate shape.
[ Detailed description ] of the invention
The invention is further described below with reference to the accompanying drawings:
The utility model provides a tool bit of eyebrow pencil as shown in fig. 1 to 23, includes the tool bit body 1 of cylindricality structure, the top of tool bit body 1 is equipped with the oblique top 2, be equipped with blade 3 on the tool bit body 1, form a holding surface 4 that is used for supporting on skin when cutting on the oblique top 2, this holding surface 4 inclines with respect to the plane H that the axis L of tool bit body 1 is perpendicular, in the service condition, the acute angle setting is formed between blade 3 and the holding surface 4, and the blade 31 of blade 3 exposes from the oblique top 2 and can scrape skin with the blade 31 of blade 3 when holding surface 4 moves against skin.
As shown in the embodiments of fig. 1,4, 9 and 11, preferably, the blade 3 is fixed on the cutter head body 1, the blade 3 is always in a use state on the cutter head body 1, and regarding the protection problem of the blade, a pen cap can be added on the eyebrow pencil to be sleeved on the outer side, so that the cutting edge is prevented from being bumped during transportation or storage.
Of course, the blade 3 may be connected in the cutter head body 1 in a lifting manner, and the blade 3 is lifted to be in a use state, so that the blade 3 is retracted in a non-use state by adopting a lifting structure, and the cutting edge is protected. For the structure for lifting and lowering the blade 3, reference is made to the invention patent CN 202022181675.4.
When shaving, the inclined top 2 moves against the skin, the supporting surface 4 is pressed on the skin, the blade is inclined relative to the skin, an inclined cutting angle is formed, and the sharpness of cutting is ensured. As shown in fig. 4 and 11, the cutter head is mounted on the handle 10 of the eyebrow pencil. When shaving the body hair 7, the inclined top 2 is attached to the skin 6, and the handle 10 is deviated to one side, so that the head of the cutter head is prevented from being blocked when the handle 10 is pinched by fingers, an open visual field is provided for the head of the cutter head, and the hair shaving position of the cutter head is conveniently seen. As shown in fig. 1 and 9, the supporting surface 4 preferably has an angle a of inclination between 15 ° and 70 °, preferably between 20 ° and 60 °, with respect to the plane H perpendicular to the axis L of the tool bit body 1, in which range the pencil is cut with a bevel against the skin, which also has a better operability with respect to the field of view.
The acute angle formed by the blade and the supporting surface is controlled to be between 10 and 80 degrees, preferably between 30 and 60 degrees, so that the blade can form an inclined cutting angle with the skin well when the supporting surface is not uniformly attached to the skin during cutting, such as when one side of the supporting surface is slightly tilted.
In the embodiment shown in fig. 1 and fig. 9, preferably, the inclined top 2 is oriented front and back, the front surface and the back surface of the blade 3 intersect to form a cutting edge 31, and two side surfaces located at two ends of the cutting edge 31 are located in the left-right direction of the cutter head body 1, as shown in fig. 3 and fig. 10, in the use state, the direction of the side of the blade 3 forming an acute angle with the supporting surface 4 is the front. As shown in fig. 4 and 11, after the handle 10 is mounted, the pitched roof 2 is pressed against the skin and moved in a direction inclined to the handle 10 or in a direction opposite to the direction in which the handle is inclined, the center line of the cutting edge of the blade 3 can be parallel or substantially parallel to the moving direction, and the cutting edge of the blade 3 is moved transversely, so that one safety is good, and the other has a good cutting range even when the head of the cutter head has a small volume.
The head of the shaving head has a small volume, although small area and precise shaving are realized, the cutting edge 31 of the blade is pressed under the pitched roof 2 during cutting, and since the outer edge of the top of the shaving head body 1 is seen during moving shaving, in order to reduce the hysteresis between the position seen by eyes and the shaving position during moving shaving, and to further improve the shaving accuracy, the cutting edge 31 of the blade 3 is offset from the center of the pitched roof 2 and is arranged in front, as in the embodiment shown in fig. 1 to 15.
The front end of the cutter head body 1 is provided with comb teeth 5 positioned at the front side of the cutter blade 3 and used for combing hair to a cutting position.
As shown in fig. 2, when the pitched roof 2 is used as a reference, the comb teeth 5 are lower than the pitched roof 2, and in a use state, the cutting edge of the blade 3 is higher than the top of the comb teeth 5 and slightly higher than the pitched roof 2, so that the shaving performance is ensured, the safety of the blade 3 is ensured, and the user is not easily injured. With this structure, as shown in fig. 1,4, 9 and 11, the structure of fixing the blade 3 on the cutter head body 1 to keep the blade 3 in the use state all the time is facilitated, and the structure and cost are simplified.
The comb teeth 5 and the blades 3 are provided with hair discharging cavities 50, the hair discharging cavities 50 are communicated with tooth slits 51 on two sides of each comb tooth 5, so that the combed hair can be conveniently cut by the blades 3, and the hair scraps of the hair discharging cavities 50 can be conveniently discharged, the hair discharging slits 30 are arranged between the blades 3 and the upper ends of the comb teeth 5, so that the scraped hair can enter the hair discharging cavities 50, and by adding the hair discharging slits 30, a gap is reserved between the upper ends of the blades 3 and the comb teeth 5, the cutting edge 31 can be more easily scraped to skin, the scraped hair and dead skin can be conveniently extruded into the hair discharging cavities 50, and the influence of backlog on the cutting edge 31 on the cutting is avoided.
When the pitched roof 2 is taken as a reference, the height of the highest part of the cutting edge 31 of the blade 3 higher than the pitched roof 2 is controlled below 0.10mm, preferably below 0.05 mm; the height of the cutting edge 31 of the blade 3 above the comb teeth 5 at the position opposite to the comb teeth 5 is 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 5 can effectively comb hair, and meanwhile, the comb teeth 5 can effectively block the front of the blade 3, and when the pitched roof 2 is prevented from being pressed on the skin to move, meat is excessively extruded to be wound into the front end of the blade 3 to scratch the skin, so that the eyebrow pencil has better cutting safety and sharpness.
As in the embodiment shown in fig. 16, the blade 3 may be of a flat plate type construction.
Of course, in the embodiment shown in fig. 17, preferably, the blade 3 is curved into an arc shape, the cutting edge 31 of the blade is of a corresponding arc structure, the concave arc surface faces the direction of the side of the blade 3 forming an acute angle with the supporting surface 4, so that the total length of the cutting edge is effectively prolonged, and the arc-shaped cutting edge has better safety in contacting the skin and is not easy to penetrate the skin.
The arc-shaped blade is adopted, the combined blade 3 and the supporting surface 4 are arranged at an acute angle, so that when the inclined top 2 is used as a reference, the middle of the cutting edge 31 of the blade 3 is high, the left and right sides are low, the left and right ends of the cutting edge 31 are lower than the inclined top 2, and the middle part of the cutting edge 31 is higher than the inclined top 2. The left and right edges 31 of the blade 3 are lower than the inclined top 2, so that the left and right corners of the blade 3 at the two ends of the edge are hidden below the inclined top 2, and when a user does not move in a way that the edge of the blade 3 is transverse, the two corners are particularly prevented from scratching skin when moving in the direction in which the two corners are located; the middle part of the cutting edge 31 is higher than the inclined top 2, particularly the cutting edge 31 of the blade 3 is higher than the comb teeth 5 at the corresponding position at the position opposite to the comb teeth 5, in addition, a sinking cavity 21 which is sunk on the back of the inclined top 2 and is used for exposing one end of the blade 3 with the cutting edge 31 is arranged on the back of the blade 3, so that the upper end of the whole blade 3 can be exposed, only the middle part of the cutting edge is higher than the inclined top 2, when the inclined top 2 is pressed on the skin, the skin on the back of the blade 3 can be slightly extruded and raised in the sinking cavity 21, the cutting edge 31 can better contact the skin for cutting, therefore, the structure can ensure that the cutter head has better cutting performance when moving in the correct direction, and can avoid scratching the skin when moving from a plurality of different directions, and the safety is high.
Depending on the manner of use, fig. 4 and 11 show a drag cut and a push cut, respectively.
As shown in fig. 9 to 15, in the push-type cutting embodiment, the inclined top 2 is higher at the front and lower at the rear, so that the inclined top can be pushed to advance in the opposite direction of the inclined direction of the handle to cut, and the structure is suitable for shaving the parts with better flatness.
Preferably, in the embodiment shown in fig. 1 to 8, the oblique top 2 is lower in front and higher in back, so that the cutting can be performed in a direction that the handle is inclined, as shown in fig. 4, the cutting can be performed better along the skin, the eyebrow and the like Mao Tuodong, and the cutting safety is good.
As shown in the embodiment of fig. 1, the tool bit body 1 includes an outer cover 11, and a front inner tool holder 12 and a rear inner tool holder 13 fixed on the inner side of the outer cover 11, wherein the front inner tool holder 12 is provided with a first arc portion 121 protruding outwards, the rear inner tool holder 13 is provided with a second arc portion 131 recessed inwards, and the first arc portion 121 presses the blade 3 onto the second arc portion 131 so as to bend the blade 3 into an arc shape, so that the structure and the manufacturing process are simple. Of course, the blade may be fixed to the cutter head body 1 by injection molding, or may be fixed to the cutter head body 1 by welding or bonding.
As shown in fig. 1 to 5 and fig. 9 to 12, the surface of the inclined roof 2 is a plane or substantially nearly a plane, and the plane is a supporting surface 4. Of course, as shown in fig. 6 and 13, the surface of the oblique top 2 may be a convex arc surface or a spherical surface, where the arc surface or the spherical surface is the supporting surface 4, or as shown in fig. 7, 8, 14, 15, the surface of the oblique top 2 is a concave arc surface or a spherical surface, where the surface formed by connecting raised edges of the arc surface or the spherical surface is the supporting surface. The surface of the pitched roof can also be of other shape and configuration.
A method for manufacturing the tool bit of the eyebrow pencil comprises providing a thin sheet-shaped flat blade, as shown in fig. 16, with a thickness of less than 0.15mm, a linear cutting edge 31 formed at one end of the blade, a rectangular groove 32 formed at the other end of the blade, a positioning hole 33 formed in the middle of the blade, the rectangular groove 32 and the positioning hole 33 being bilaterally symmetrical with respect to the center of the blade,
Providing a rear inner cutter holder 13, as shown in fig. 18, wherein an inner top 132 and a rear main body 133 which are arranged in an L shape are arranged on the rear inner cutter holder 13, a second concave arc-shaped part 131 is arranged on the inner top 132, ribs 134 matched with the rectangular grooves 32 are arranged at the junction of the inner top 132 and the rear main body 133, a yielding groove 135 is arranged on the inner top, the rear inner cutter holder 13 is arranged in a tilting mode, a blade is leaned against the inner top 132, the rectangular grooves 32 are clamped on the ribs 134 to position the blade, at the moment, the position of the positioning hole 33 corresponds to the yielding groove 135, as shown in fig. 19,
As shown in fig. 20, the front inner tool holder 12 is provided with a convex first arc-shaped part 121, the first arc-shaped part 121 is provided with a positioning column 122 matched with the positioning hole 33, and a rib position groove 123 matched with the rib 134,
A buckling structure is arranged between the front inner tool rest 12 and the rear inner tool rest 13, the buckling structure comprises a buckling groove 136 and a buckling flange 124 which are matched, a column hole 137 and a plunger 125 which are in interference fit,
As shown in fig. 21, the upper end of the front inner cutter holder 12 is inclined downward, the positioning column 122 is inserted into the positioning hole 33 obliquely, after the first arc-shaped part 121 presses the blade 3 on the second arc-shaped part 131, the front inner cutter holder 12 is rotated to be buckled on the rear inner cutter holder 13, the assembly of the front inner cutter holder 12 and the rear inner cutter holder 13 is completed, meanwhile, the blade 3 is extruded between the first arc-shaped part 121 and the second arc-shaped part 131 to obtain an inner core, as shown in fig. 22, the upper part of the inner core forms an upper assembling section 14, the front inner cutter holder 12 and the rear inner cutter holder 13 are prevented from being automatically released by buckling the buckling structure, the blade 3 is effectively clamped,
The outer cover 11 is provided, an upper assembly hole 110 is formed in the upper portion of the outer cover 11, the inner core is inserted and assembled into the outer cover 11 from below to be fixed, the upper assembly section 14 and the upper assembly hole 110 are in interference fit in the front-rear direction, after assembly, the outer cover 11 hugs the upper portions of the front inner cutter frame 12 and the rear inner cutter frame 13 tightly, and the blade 3 is extruded into an arc shape through the first arc-shaped portion 121 and the second arc-shaped portion 131, as shown in fig. 1, the process is simple, the manufacturing is easy, and the manufacturing cost is low.
As shown in fig. 23, the radius of the first arc-shaped portion 121 is greater than the radius of the second arc-shaped portion 131, after the first arc-shaped portion 121 and the second arc-shaped portion 131 extrude the blade 3 into an arc shape and fix the blade, one surface of the blade 3 is tightly attached to the first arc-shaped portion 121, the middle part of the blade is provided with a gap with the second arc-shaped portion 131 on the other surface, the left side and the right side are tightly attached to the second arc-shaped portion 131, the blade can be deformed according to the arc shape of the first arc-shaped portion 121 all the time, the bending radian of the blade 3 is easy to control, and the blade is stable, reliable and simple in process.
The eyebrow pencil as shown in fig. 4 and 11 comprises a pencil-shaped handle 10, and the above-mentioned tip which is fixedly or detachably mounted on one end of the handle 10 in such a manner that the axis L of the tip body 1 coincides or substantially coincides with the axis L of the handle 10. The pen-shaped structure is adopted, so that fingers can be held conveniently, the volume of the head part of the eyebrow pencil can be smaller, and small-area parts and accurate hair trimming are realized.
Claims (15)
1. The utility model provides a tool bit of eyebrow pencil which characterized in that: comprises a cutter head body (1), an inclined top (2) is arranged at the top of the cutter head body (1), a blade (3) is arranged on the cutter head body (1), a supporting surface (4) for supporting the cutter head body (1) on the skin is formed on the inclined top (2), the supporting surface (4) is inclined relative to a plane (H) perpendicular to an axis (L) of the cutter head body (1), in a use state, the blade (3) and the supporting surface (4) are arranged at an acute angle, the cutting edge (31) of the blade (3) is exposed from the inclined top (2) and can be scraped to the skin when the supporting surface (4) is used for being moved against the skin, the blade (31) of the blade (3) is bent into an arc shape, the cutting edge (31) of the blade is of a corresponding arc-shaped structure, the concave arc surface faces the direction of the blade (3) and the supporting surface (4) at one side, when the inclined top (2) is used as a reference, the middle of the blade (3) is high, the left side and the right side of the blade (31) is low, the cutting edge (31) is lower than the cutting edge (31) of the inclined top (2) which is exposed at one end (31) of the inclined top (2), the cutter head body (1) comprises an outer cover (11), and a front inner cutter holder (12) and a rear inner cutter holder (13) which are fixed on the inner side of the outer cover (11), wherein a first arc-shaped part (121) protruding outwards is arranged on the front inner cutter holder (12), a second arc-shaped part (131) recessed inwards is arranged on the rear inner cutter holder (13), and the first arc-shaped part (121) tightly presses the cutter blade (3) on the second arc-shaped part (131) so that the cutter blade (3) is bent into an arc shape.
2. A tip for a eyebrow pencil as in claim 1 wherein: the oblique top (2) faces forwards and backwards, the front face and the back face of the blade (3) are intersected to form a cutting edge (31), two side faces located at two ends of the cutting edge (31) are located in the left-right direction of the cutter head body (1), and in a use state, the direction of one side of the blade (3) forming an acute angle with the supporting face (4) is the front.
3. A tip for a eyebrow pencil as in claim 2 wherein: the cutting edge (31) of the blade (3) is deviated from the center of the inclined top (2) and is arranged in front.
4. A tip for a eyebrow pencil as in claim 3 wherein: the front end of the cutter head body (1) is provided with comb teeth (5) positioned at the front side of the cutter blade (3) for combing hair.
5. A tip for a eyebrow pencil as in claim 4 wherein: when the oblique top (2) is used as a reference, the comb teeth (5) are lower than the oblique top (2), and in a use state, the cutting edge of the blade (3) is higher than the top of the comb teeth (5) and slightly higher than the oblique top (2).
6. A tip for a eyebrow pencil as in claim 5 wherein: the hair removing device is characterized in that a hair removing cavity (50) is arranged between the comb teeth (5) and the blades (3), the hair removing cavity (50) is communicated with tooth gaps (51) on two sides of each comb tooth (5), and a hair removing gap (30) is arranged between the blades (3) and the upper ends of the comb teeth (5) and used for enabling scraped hair to enter the hair removing cavity (50).
7. A tip for a eyebrow pencil as in claim 5 wherein: in the use state, the highest part of the cutting edge (31) of the blade (3) is higher than the inclined top (2) by less than 0.10mm, and the cutting edge (31) of the blade (3) is higher than the comb teeth (5) at the corresponding position by more than 0.02mm and less than 0.30mm at the position opposite to the comb teeth (5).
8. A tip for a eyebrow pencil as in claim 1 or 7 wherein: the blade (3) is fixed on the cutter head body (1), and the blade (3) is always in a use state on the cutter head body (1).
9. A tip for a eyebrow pencil as in claim 1 or 7 wherein: the blade (3) is connected in the cutter head body (1) in a lifting mode, and the blade (3) is in a use state.
10. A tip for a eyebrow pencil as in claim 1 or 7 wherein: the supporting surface (4) is inclined at an angle A between 15 DEG and 70 DEG relative to a plane (H) perpendicular to the axis (L) of the tool bit body (1).
11. A tip for a eyebrow pencil as in claim 1 or 7 wherein: the inclined roof (2) is low in front and high in back.
12. A tip for a eyebrow pencil as in claim 1 or 7 wherein: the inclined roof (2) is high in front and low in back.
13. A method of manufacturing a tip for an eyebrow pencil as claimed in claim 1, comprising:
providing a thin-sheet-shaped blade, machining a linear cutting edge (31) at one end of the blade, machining a rectangular groove (32) at the other end of the blade, machining a positioning hole (33) in the middle of the blade, wherein the rectangular groove (32) and the positioning hole (33) are bilaterally symmetrical relative to the center line of the blade, providing a rear inner cutter holder (13), wherein an inner top (132) and a rear main body (133) which are arranged in an L-shaped manner are arranged on the rear inner cutter holder (13), a second arc-shaped part (131) which is concave inwards is arranged on the inner top (132), ribs (134) which are matched with the rectangular groove (32) are arranged at the junction of the inner top (132) and the rear main body (133), a yielding groove (135) is arranged on the inner top, the rear inner cutter holder (13) is lifted, the blade is leaned against the inner top (132), the rectangular groove (32) is clamped on the ribs (134) to position the blade, at this time, the positioning hole (33) corresponds to the yielding groove (135), providing a front inner cutter holder (12), a first arc-shaped part (121) which is arranged on the front inner cutter holder (12) is provided with a first arc-shaped part (121) which is matched with the inner rib (121), and the front cutter holder (121) is buckled with the arc-shaped groove (12), the buckling structure comprises a buckling groove (136) and a buckling flange (124) which are matched, and a column hole (137) and a plunger (125) which are in interference fit, wherein the upper end of a front inner cutter holder (12) is obliquely downward, a positioning column (122) is obliquely inserted into a positioning hole (33), a first arc-shaped part (121) presses a blade (3) on a second arc-shaped part (131), the front inner cutter holder (12) is rotated to be buckled on a rear inner cutter holder (13), the assembly of the front inner cutter holder (12) and the rear inner cutter holder (13) is completed, meanwhile, a blade (3) is extruded between the first arc-shaped part (121) and the second arc-shaped part (131) to obtain an inner core, an upper assembly section (14) is formed on the upper portion of the inner core, an outer cover (11) is provided, the upper assembly hole (110) is formed on the upper portion of the outer cover (11), the inner core is inserted into the outer cover (11) from below to be fixed, the upper assembly section (14) and the upper assembly hole (110) are in the front-rear direction, the interference fit is completed, and the front inner cutter holder (12) and the rear inner cutter holder (13) are extruded into the first arc-shaped part (121) through the first arc-shaped part and the second arc-shaped part (131).
14. A method of manufacturing a tool head for an eyebrow pencil according to claim 13, wherein after the first arc portion (121) and the second arc portion (131) press the blade (3) into an arc shape and fix it, one surface of the blade (3) is attached to the first arc portion (121) and the other surface is attached to the second arc portion (131) with a gap therebetween, and the left and right sides are attached to the second arc portion (131).
15. A eyebrow pencil, characterized in that: a tool tip comprising a pen-shaped handle (10), and a tool tip of the eyebrow pencil according to any one of claims 1 to 12, which is fixed or detachably mounted on one end of the handle (10) in such a way that the axis (L) of the tool tip body (1) coincides or substantially coincides with the axis of the handle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111451984.1A CN114043535B (en) | 2021-12-01 | 2021-12-01 | Eyebrow pencil and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111451984.1A CN114043535B (en) | 2021-12-01 | 2021-12-01 | Eyebrow pencil and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114043535A CN114043535A (en) | 2022-02-15 |
| CN114043535B true CN114043535B (en) | 2024-08-13 |
Family
ID=80211780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111451984.1A Active CN114043535B (en) | 2021-12-01 | 2021-12-01 | Eyebrow pencil and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114043535B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD1025484S1 (en) | 2021-10-29 | 2024-04-30 | Church & Dwight Co., Inc. | Hair removal device |
| JP7470871B1 (en) | 2023-03-30 | 2024-04-18 | 株式会社貝印刃物開発センター | razor |
| JP7395788B1 (en) * | 2023-03-30 | 2023-12-11 | 株式会社貝印刃物開発センター | razor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216707571U (en) * | 2021-12-01 | 2022-06-10 | 中山市小石陶瓷刀片有限公司 | Tool bit of eyebrow trimming pen and eyebrow trimming pen |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3546865B2 (en) * | 2001-06-19 | 2004-07-28 | 晴行 北野 | Two-blade replacement razor |
| US20040055156A1 (en) * | 2002-09-25 | 2004-03-25 | The Gillette Company | Safety razor |
| JP2006263048A (en) * | 2005-03-23 | 2006-10-05 | Kozo Design Studio:Kk | Simplified razor |
| CN108772855A (en) * | 2018-05-25 | 2018-11-09 | 吴让攀 | A kind of vibration razor |
| CN112318557B (en) * | 2020-09-28 | 2024-08-13 | 中山市小石陶瓷刀片有限公司 | Tool bit of pen-shaped eyebrow shaver |
-
2021
- 2021-12-01 CN CN202111451984.1A patent/CN114043535B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216707571U (en) * | 2021-12-01 | 2022-06-10 | 中山市小石陶瓷刀片有限公司 | Tool bit of eyebrow trimming pen and eyebrow trimming pen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114043535A (en) | 2022-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114043535B (en) | Eyebrow pencil and its manufacturing method | |
| US8191263B2 (en) | Separable lubrication | |
| AU2005222582B8 (en) | Shaving razor with additional trimming blade | |
| AU2004213419B2 (en) | Multiple blade razor cartridge | |
| CA2276882C (en) | Device for trimming and shaping a beard or moustache | |
| RU2164861C2 (en) | Shaver with oval frame | |
| US20110010943A1 (en) | Electric shaver | |
| US20100175262A1 (en) | Electric shaver | |
| CN112318557B (en) | Tool bit of pen-shaped eyebrow shaver | |
| CN111673801A (en) | Mesh enclosure of electric shaver | |
| CN216707571U (en) | Tool bit of eyebrow trimming pen and eyebrow trimming pen | |
| WO2022252840A1 (en) | Blade net of shaver | |
| CN213918371U (en) | Blade of eyebrow razor | |
| CN216707572U (en) | A tool bit structure and eyebrow pencil that repaiies of two-sided cutting of eyebrow pencil | |
| US20220152853A1 (en) | Shaving head | |
| CN111645116B (en) | Multifunctional small-sized rotary shaver head cover of shaver head assembly and processing method thereof | |
| GB2117304A (en) | Safety razors | |
| JP2906226B2 (en) | Safety razor | |
| EP3411201B1 (en) | Electric hair clipper | |
| CN220313409U (en) | Shaver assembly capable of preventing skin from being scratched | |
| CN212287733U (en) | Mesh enclosure of electric shaver | |
| CN220807471U (en) | Eyebrow pencil tool bit and eyebrow pencil of easily assembling | |
| CN217669519U (en) | Floatable safety cutter head and hair trimmer | |
| CN215189829U (en) | Auxiliary cutting tool for wooden eyebrow pencil | |
| CA1213428A (en) | Razors and shaving units for razors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |