CN213918370U

CN213918370U - A pencil-shaped eyebrow trimmer

Info

Publication number: CN213918370U
Application number: CN202022174047.3U
Authority: CN
Inventors: 吴让攀
Original assignee: Zhongshan Xiaoshi Ceramic Blade Co ltd
Current assignee: Zhongshan Xiaoshi Ceramic Blade Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-08-10
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a pen-shaped eyebrow razor, including tool bit and the handle of constituteing the pen-shaped structure, tool bit and handle can dismantle the connection, and the tool bit includes cylindrical tool bit body, is equipped with the blade that can shave the body hair from the upper end on the tool bit body, and the blade comprises the arc piece that the cross section is the arc structure and forms curved cutting edge at its upper end, under the prerequisite of guaranteeing the security, compared with current straight eyebrow razor blade, the blade can accomplish very little, and is difficult for inserting the meat inside; the pen-shaped eyebrow shaping knife can operate like a pen by combining the inclined arrangement of the blade relative to the axis L of the knife head body, the blade has an inclined cutting angle, eyebrows can be effectively cut off by holding the pen-shaped eyebrow shaping knife to operate like a pen, the flexibility and controllability of eyebrow shaping are improved, the movement and direction of eyebrow shaping and the shaving amount can be conveniently controlled, and the blade with the arc-shaped structure can effectively control the scraping of concave and convex parts, so that the eyebrow shaping can be accurately shaped.

Description

Pen-shaped eyebrow razor

[ technical field ] A method for producing a semiconductor device

The utility model relates to a pen-shaped eyebrow knife.

[ background of the invention ]

At present, two types of cutters for repairing eyebrows are generally used, one type is a rotary electric eyebrow shaver, and the other type is a hand-scraping eyebrow shaver.

The hand eyebrow razor, such as the taiwan patent of TWM528854U, is usually straight, and can only shave from above to below the eyebrows, and below the eyebrows are the eyelids, the skin surface is uneven, and cannot trim the eyebrows effectively, which is a safety problem, and the blade is wide and long, is not easy to shape, and it cannot be made very small, and is too small to insert into the flesh.

The rotary electric eyebrow-plucking knife is named as a technical scheme shown in a knife head device of the eyebrow plucking device according to the application number CN201821817498.0, wherein a first blade and a second blade are sleeved by a knife head cover with a smaller radius so as to be convenient for shaping, a plurality of straight groove-shaped knife seams are arranged on the knife head cover along the circumferential direction for eyebrow entering, and the first blade and the second blade are driven by a rotating shaft to rotate in the knife head cover to pluck the eyebrow. Due to the fact that the cutter head cover is arranged, the cutter head cover has a certain thickness, shaving is not clean, the hair shaving speed is too high, hands are not in the mind, when the position of the electric eyebrow trimming cutter is not aligned, eyebrow hairs at positions where the eyebrow trimming is not needed are easily shaved, and great care is needed during shaving.

Because the eyebrow has certain length and compliance, the tool bit cover all adopts the straight flute structure to advance the hair usually, and because the straight flute structure supplies skin extrusion to get into relatively easily, in order to guarantee the security, does not cut skin, and the width of straight flute structure need be done less, and the straight flute width is little then its entering hair mouth is tiny to cause into the hair difficulty, leads to the entering hair efficiency of current electronic eyebrow knife of rotation type utmost point poor.

Therefore, a safe and easy-to-use eyebrow razor capable of shaping and eyebrow trimming is urgently needed by the market and users.

The utility model discloses just make based on above-mentioned condition.

[ Utility model ] content

The utility model aims to solve the technical problem of providing a pencil-shaped eyebrow knife that simple structure, can mould the type, the eyebrow plucker, and safe good usefulness.

The utility model discloses a realize through following technical scheme:

the utility model provides a pen-shaped eyebrow plucker, is including tool bit and the handle of constituteing the stroke-shaped structure, tool bit and handle detachable connection, the tool bit includes cylindrical tool bit body, be equipped with the blade that can shave the body hair from the upper end on the tool bit body, the blade comprises the arc piece that the cross section is the arc structure and forms curved cutting edge on its upper end, and the blade sets up for the axis L slope of tool bit body.

According to the pen-shaped eyebrow shaping knife, the blade is located in the knife head body, the upper end face of the knife head body is provided with the knife outlet, and a driving switch device which can drive the upper end of the blade to extend out of the upper end face of the knife head body from the knife outlet and fix the blade is arranged between the knife head and the handle.

The pen-shaped eyebrow razor comprises the knife rest which is arranged in the knife head body and can move up and down, the blade is fixed on the tool rest and extends out of the upper end surface of the tool bit body along with the upward movement of the tool rest, and retracts below the upper end surface of the tool bit body along with the downward movement of the tool rest, a connecting piece capable of preventing the tool rest from falling out of the tool bit body is arranged at the lower part of the tool bit body, the tool rest is connected on the connecting piece in a vertically sliding way, and an elastic part which can elastically press the tool rest downwards when the tool rest rises upwards is arranged between the tool rest and the tool bit body, the connecting piece is provided with a connecting part which is positioned below the tool bit body and is connected with the handle, the connecting piece is provided with a through hole which is communicated up and down, the tool rest is provided with a jacking shaft inserted into the through hole, and a jacking device capable of jacking the jacking shaft upwards to enable the upper end of the blade to extend out of the upper part of the tool bit body is arranged between the tool bit and the handle.

According to the pen-shaped eyebrow plucker, one end of the elastic part is fixed on the knife rest, the other end of the elastic part is suspended, and the knife head body is arranged above the elastic part and provided with the limiting boss used for limiting the elastic part to rise upwards.

A pen-shaped eyebrow knife as above, the upper end of handle be equipped with the indent downwards and with connecting portion matched with assembly groove, the connecting piece joint is fixed on the tool bit body, connecting portion are cylindrical structure and can rotate in the assembly groove, the top last item is equipped with the lug of protrusion below connecting portion downwards, the central axis setting of the skew connecting portion of lug, rounding off between the lower terminal surface of lug and top last item, the knife rest is connected on the connecting piece and rotates along with the connecting piece rotation, the assembly inslot is equipped with the jacking boss that can interfere the lug and up jack-up the lug when the knife rest rotates, jacking boss and lug constitute jacking device.

The pen-shaped eyebrow razor comprises a connecting part, a connecting part and a clamping groove, wherein the side wall of the assembling groove is provided with a convex buckle, the outer side of the connecting part is provided with a sliding groove which is concave from bottom to top and can allow the buckle to slide into the connecting part, the outer side of the connecting part is provided with a clamping groove which is concave from side along the circumferential direction, one end of the clamping groove is communicated with the upper end of the sliding groove and can allow the buckle to slide into the sliding groove so as to limit the connecting part to be separated from the assembling groove upwards, the clamping groove and the sliding groove form an L-shaped structure, the connecting part is provided with a gear bar which is convex in the clamping groove and used for blocking the buckle from sliding in the clamping groove along the circumferential direction, a chamfer angle is arranged between the top of the gear bar and the two side surfaces so as to allow the buckle to slide through the gear bar under the action of external force, the gear bar divides the clamping groove into three gear spaces which are matched with the buckle, one gear space is communicated with the sliding groove, when the buckle is positioned in the middle gear space, the jacking boss and the lug are staggered, and when the buckle is located in a third gear space, the jacking boss and the lug are opposite up and down.

According to the pen-shaped eyebrow shaping knife, the height A of the blade extending out of the upper end face of the knife head body is more than 0 and less than or equal to 0.5 mm.

According to the pen-shaped eyebrow razor, the width D of the upper end of the razor head body corresponding to the width direction of the blade meets the requirement that D is more than or equal to 2mm and less than or equal to 15mm, and the width E of the upper part of the blade meets the requirement that E is more than 2mm and less than or equal to 10 mm.

According to the pen-shaped eyebrow razor, the cross section of the blade is of the arc-shaped structure, and the radius R of a circle corresponding to the blade satisfies that R is more than or equal to 1.5mm and less than or equal to 10 mm.

According to the pen-shaped eyebrow shaping knife, the inclination angle alpha between the blade and the axis L of the knife head body is more than or equal to 10 degrees and less than or equal to 80 degrees.

A pen-shaped eyebrow knife, be equipped with the arc back that supplies the blade to paste on the knife rest, be the T shape from top to bottom on the blade, be equipped with the flank that stretches out relatively from left and right sides tongue platform on the arc back, control form the T shape lower part male mounting groove that supplies the blade between flank and the arc back, the below that lies in the flank on the arc back is equipped with the joint boss, the joint boss is equipped with the chamfer so that the blade slides through the joint boss by one side to the mounting groove, be equipped with the joint hole with joint boss joint on the blade, the T shape upper portion card of blade is when controlling the upper end of flank, joint hole card is on the joint boss.

The pen-shaped eyebrow razor comprises a razor head body, wherein the razor head body is provided with a hair discharging opening, the hair discharging opening can be used for hair falling into the razor head body to fall out, the razor head is provided with a hair discharging inclined plane which obliquely discharges the hair discharging opening from top to bottom, the upper end of the hair discharging inclined plane is positioned below a blade edge, and the lower end of the hair discharging inclined plane is positioned above the bottom end of the hair discharging opening.

According to the pen-shaped eyebrow shaping knife, the upper end face of the knife head body forms a knife edge, and the side wall corresponding to the convex face of the blade is of an arc structure corresponding to the convex face of the blade.

According to the pen-shaped eyebrow shaping knife, the comb teeth are arranged on one side, corresponding to the concave surface of the blade, of the knife head body.

The pencil-shaped eyebrow razor as described above, wherein the blade edge includes an arc-shaped main cutting edge at the top end, and the edge line of the main cutting edge is an arc and perpendicular to the axis L of the head body or substantially perpendicular to the axis L of the head body.

The pen-shaped eyebrow razor has the concave surface of the blade arranged obliquely downwards.

Compared with the prior art, the utility model discloses there is following advantage:

1. the blade of the utility model is a curved arc structure, and the cutting edge at the upper end of the blade is correspondingly arc-shaped, so that on the premise of ensuring safety, compared with the existing straight eyebrow trimming blade, the blade can be very small and is not easy to be inserted into meat; the upper end of the blade is arranged on the upper end surface of the cutter head body, the cutter head can move perpendicular to the skin or tilt at a certain angle with the direction perpendicular to the skin during hair shaving, the cutting edge direction of the blade is tilted in the axial direction of the cutter head to form an inclined cutting angle, the cutting sharpness is ensured, the eyebrow can be effectively cut off by holding the pen-shaped eyebrow shaving cutter to operate like a pen, the flexibility and controllability of the eyebrow shaving are improved, the movement, the direction and the shaving amount of the eyebrow shaving can be conveniently controlled, the blade with the arc structure can effectively control the shaving of concave and convex parts, the eyebrow can be accurately trimmed and molded, the cutting edge with the arc structure enables the cutter head to cut from multiple directions, and the eyebrow shaving pen is not subjected to angular rotation when being held, the shaving direction of the cutter head can be controlled only by fingers, and shaving in different directions can be realized. Moreover, for the individual to trim the eyebrow, look into the mirror, and hold the pen-shaped eyebrow-trimming knife, the pen-shaped eyebrow-trimming knife can achieve better visual field and flexibly use the pen-shaped eyebrow-trimming knife to effectively trim the eyebrow, the operation is convenient, and the shaving safety is high.

2. The blade can stretch out or retract into the tool bit body through the tool outlet. When the shaver is not used, the blade is hidden under the upper end face of the shaver head body, a protective effect is achieved, a pen cap is not needed to be additionally used for protection, when the shaver is used, the upper end of the blade is lifted above the upper end face of the shaver head body through the driving switch device, the blade is fixed well, effective shaving is achieved, the shaver is simple in structure and convenient to use, and the defect that the blade cannot be protected by the pen cap can be avoided being lost.

3. The utility model provides an elastic component can prevent that the blade from stretching out from the tool outlet voluntarily, and can cooperate the jacking device to fix the knife rest together behind jacking device jacking knife rest, it is injectd through elastic component from the top elasticity, and because the knife rest atress down when shaving, the jacking device withstands the knife rest from the bottom, guarantee the stability of knife rest, only need design the jacking device with the height of knife rest jack-up can, moreover, the steam generator is simple in structure, when reducing the knife rest and rising, for the cooperation precision between the spacing required and the tool bit body of limiting position.

4. The utility model discloses a three gear spaces cooperate with the buckle, one of them gear space communicates with each other with the spout, so that when the handle is equipped with the tool bit, the spout cooperates with the buckle to supply the connecting portion to insert into the assembly groove, the buckle directly slides into in this gear space, rotate the tool bit, make the buckle slide through the gear strip and in a middle gear space, then fix the tool bit installation on the handle, at this moment the position between jacking boss and the lug staggers; when needs are repaiied the eyebrow, rotate the tool bit, make the buckle slide another gear strip and be in the third gear space in, relative about the position between jacking boss and the lug, it makes the blade upper end stretch out in tool bit body top to rotate the in-process through the jacking boss with lug jack-up. When rotating the tool bit in the opposite direction, then withdrawing the tool bit body with the blade, then can follow the handle with the tool bit and pull down when continuing to rotate, dismouting simple structure, the blade goes up and down conveniently.

5. The utility model discloses a one side corresponding with the concave surface of blade sets up the broach on the tool bit body to in the hair of leading, the broach is just right with the blade simultaneously, also can play the effect of a directional instruction, when repairing eyebrow, because the blade is hidden between skin and tool bit body, just can know the direction of blade and the direction of scraping the plane effectively through the broach.

6. The cutting edge is including the arc main cutting edge that is located the top, the cutting edge line of main cutting edge is the axis L of pitch arc and perpendicular to tool bit body or the axis L of basic perpendicular to tool bit body. When the tool bit moves perpendicular to the skin or basically perpendicular to the skin during shaving, the arc-shaped cutting edge of the main cutting edge is basically attached to the skin; or when the cutter head inclines a certain angle in the direction vertical to the skin for shaving, the middle part of the arc-shaped cutting edge of the main cutting edge can be attached to the skin, the two ends of the arc-shaped cutting edge can only tilt to a small height, the arc-shaped cutting edge can also contact the skin according to the floating of the skin during shaving, and the skin is prevented from being injured due to the fact that the small tip of the main cutting edge contacts the skin.

[ description of the drawings ]

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

FIG. 1 is a schematic view of a pen-shaped eyebrow razor according to the present invention;

FIG. 2 is an exploded view of the cutter head;

FIG. 3 is a top view of the cutter head;

FIG. 4 is a cross-sectional view of the tool bit in the direction I-I of FIG. 3 with the blade in the retracted state;

FIG. 5 is a cross-sectional view of the pencil-shaped eyebrow razor of the present invention taken along the direction I-I in FIG. 3 with the blade in an extended state;

FIG. 6 is a cross-sectional view of the tool tip taken along line II-II of FIG. 3;

FIG. 7 is a schematic view of a tool tip configuration;

FIG. 8 is a top view of an embodiment of a blade;

FIG. 9 is a cross-sectional view of one embodiment of a blade taken along the direction III-III in FIG. 8;

FIG. 10 is a schematic view of the structure of the handle;

FIG. 11 is a schematic view of an embodiment of a tool tip;

FIG. 12 is a schematic view of a second embodiment of a cutting head;

FIG. 13 is a schematic view of a third embodiment of a tool tip;

FIG. 14 is a schematic structural view of another embodiment of a blade;

fig. 15 is a cross-sectional view of the blade of fig. 14.

[ detailed description ] embodiments

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1 to 15, a pen-shaped eyebrow razor comprises a razor head 10 and a handle 20 which form a pen-shaped structure, wherein the razor head 10 and the handle 20 are detachably connected, the razor head 10 comprises a columnar razor head body 1, the razor head body 1 is large in the top and small in the bottom, a blade 2 capable of shaving body hair from the upper end is arranged on the razor head body 1, the blade 2 is composed of an arc-shaped piece with an arc-shaped cross section, an arc-shaped blade edge is formed at the upper end of the blade, and the blade 2 is obliquely arranged relative to an axis L of the razor head body 1.

The blade 2 of the pen-shaped eyebrow shaver is of a curved arc-shaped structure, and the blade edge at the upper end of the blade is correspondingly arc-shaped, so that on the premise of ensuring safety, compared with the existing straight eyebrow shaver, the blade 2 can be very small and is not easy to insert into meat; the pencil-shaped eyebrow shaping knife can operate like a pen by combining the inclined arrangement of the blade 2 relative to the axis L of the knife head body 1, the upper end of the blade 2 is arranged on the upper end face of the knife head body 1, the knife head can move perpendicular to the skin or tilt at a certain angle with the direction perpendicular to the skin during hair shaping, the cutting edge direction of the blade 2 is inclined to the axial direction of the knife head 10 to form an inclined cutting angle, the cutting sharpness is ensured, the eyebrows can be effectively cut off by holding the pencil-shaped eyebrow shaping knife to operate like a pen, the flexibility and controllability of eyebrow shaping are improved, the movement, direction and shaving amount of the eyebrows can be conveniently controlled, and the blade 2 with the arc-shaped structure can effectively control the scraping of concave and convex parts, so that the eyebrow shaping can be accurately carried out.

Moreover, for the individual to trim the eyebrow, look into the mirror, and hold the pen-shaped eyebrow-trimming knife, the pen-shaped eyebrow-trimming knife can achieve better visual field and flexibly use the pen-shaped eyebrow-trimming knife to effectively trim the eyebrow, the operation is convenient, and the shaving safety is high.

In order to have the concavity of the blade 2 facing forward of movement during shaving, the concavity of the blade 2 is disposed obliquely downward to enable better control of the shaving position of the blade 2.

For trimming eyebrows, for better control of shaving precision, the width E of the upper portion of the blade 2 satisfies 2mm < E.ltoreq.10 mm, and the width D of the upper end of the head body 1 corresponding to the width direction of the blade 2 satisfies 2 mm.ltoreq.D.ltoreq.15 mm, preferably 3 mm.ltoreq.E.ltoreq.6 mm, and 4 mm. ltoreq.D.ltoreq.8 mm.

In order to enable the blade 2 to have a bending degree beneficial to cutting, the cross section of the blade 2 is of a circular arc structure, and the radius R of a circle corresponding to the cross section of the blade meets the condition that R is more than or equal to 1.5mm and less than or equal to 10 mm.

Of course, the eyebrow razor can be applied to repair body hair of armpits and other parts besides eyebrow trimming. Correspondingly, the width E of the upper portion of the insert 2 and the width D of the upper end of the bit body 1 can be made adaptively large.

In the embodiment shown in fig. 4, in order to ensure the sharpness of the shaving in the pen-holding posture, the inclination angle alpha between the blade 2 and the axis L of the cutter head body 1 is more than or equal to 10 degrees and less than or equal to 80 degrees, and in order to ensure that the pen-shaped eyebrow shaver can better ensure the sharpness of the shaving when the eyebrow shaver is inclined at a certain angle with the direction vertical to the skin, the inclination angle alpha between the blade 2 and the axis L of the cutter head body 1 is more than or equal to 20 degrees and less than or equal to 50 degrees.

As shown in the embodiment of figure 5, the safety is better ensured while the shaving performance of the blade 2 is ensured, and the height A of the blade 2 extending above the upper end face of the cutter head body 1 satisfies 0< A ≦ 0.5 mm.

The blade 2 extends out of the upper end face of the cutter head body 1, and a structural mode that the blade 2 is fixed on the cutter head body 1 can be adopted, such as that the blade 2 and the cutter head body 1 are fixed through integral injection molding. When the pencil is not used, the pencil cap is sleeved on the tool bit 10 to protect the blade 2, so that the exposed blade edge is prevented from being scraped in life.

As another embodiment of the blade 2 protruding above the upper end surface of the cutter head body 1, as shown in fig. 2 to 7 and 10, the blade 2 is located in the cutter head body 1, an upper end surface of the cutter head body 1 is provided with a knife outlet 11, and a driving switch device capable of driving the upper end of the blade 2 to protrude above the upper end surface of the cutter head body 1 from the knife outlet 11 and fixing the blade 2 is provided between the cutter head 10 and the handle 20. When the cutting head is not in use, the blade 2 is hidden under the upper end surface of the cutting head body 1, so that a protection effect is achieved, and a pen cap is not required to be additionally used for protection, as shown in fig. 4, the height B of the blade 2 retracted under the upper end surface of the cutting head body 1 meets the requirement that B is more than 0 and less than or equal to 0.3 mm; when the shaver is used, the upper end of the blade 2 is lifted above the upper end surface of the shaver head body 1 by driving the switch device, and the blade 2 is fixed well so as to effectively shave, so that the shaver is simple in structure and convenient to use, and the defect that the blade 2 cannot be protected by losing the pen cap can be avoided.

In order to improve safety, the side wall 14 corresponding to the convex surface of the blade 2 and forming the knife edge 11 on the upper end surface of the cutter head body 1 is of an arc structure corresponding to the convex surface of the blade 2, the convex surface of the blade 2 is arranged close to the side wall 14, one can prevent skin from being squeezed between the blade 2 and the side wall 14 during shaving, and the other can play a role of protection when the blade 2 retracts below the upper end surface of the cutter head body 1.

The driving switch device comprises a knife rest 3 which is arranged in a knife rest body 1 and can move up and down, a blade 2 is fixed on the knife rest 3 and extends out of the upper end surface of the knife rest body 1 along with the upward movement of the knife rest 3, and retracts below the upper end surface of the knife rest body 1 along with the downward movement of the knife rest 3, a connecting piece 4 which can prevent the knife rest 3 from falling out of the knife rest body 1 is arranged at the lower part of the knife rest body 1, the knife rest 3 is connected to the connecting piece 4 in a vertical sliding manner, an elastic piece 5 which can elastically press the knife rest 3 downwards when the knife rest 3 ascends is arranged between the knife rest 3 and the knife rest body 1, a connecting part 41 which is arranged below the knife rest body 1 and is connected with a handle 20 is arranged on the connecting piece 4, a through hole 42 which is through up and down is arranged on the connecting piece 4, a pressing shaft 31 which is inserted into the through hole 42 is arranged on the knife rest 3, and a pressing shaft 31 which can be pressed upwards is arranged between the knife rest 10 and the handle 20, so that the pressing shaft 31 can be pressed upwards so that the upper end of the blade 2 extends out of the knife rest 2 The jacking device above the head body 1 is simple in structure. The elastic piece 5 can prevent the blade 2 from extending from the blade outlet 11 autonomously, and can cooperate the jacking device to fix the blade carrier 3 together after the jacking device jacks up the blade carrier 3, the elastic piece 5 is used for elastic limitation from the top, and the blade carrier 3 is forced downwards when shaving, the jacking device jacks up the blade carrier 3 from the bottom, the stability of the blade carrier 3 is ensured, only the height of the jacking device for jacking up the blade carrier 3 needs to be designed, the structure is simple, and the matching precision between the blade carrier 3 and the blade carrier body 1, which is required by the limited position when the blade carrier 3 is lifted up, is reduced.

Elastic component 5 is that one end is fixed on knife rest 3, the unsettled bullet arm of the other end, tool bit body 1 is located elastic component 5 top and is equipped with the spacing boss 12 that is used for restricting elastic component 5 and upwards rises, preferably, elastic component 5 and knife rest 3 integrated into one piece, simple structure, the equipment is convenient.

The upper end of the handle 20 is provided with an assembly groove 201 which is concave downwards and matched with the connecting part 41, the connecting part 4 is clamped and fixed on the cutter head body 1, the connecting part 41 is of a cylindrical structure and can rotate in the assembly groove 201, the jacking shaft 31 is provided with a lug 32 which protrudes downwards below the connecting part 41, the lug 32 is arranged by deviating from the central axis of the connecting part 41, the lower end surface of the lug 32 and the jacking shaft 31 is in smooth transition, the cutter rest 3 is connected on the connecting part 4 and rotates along with the connecting part 4, the assembly groove 201 is internally provided with a jacking boss 202 which can interfere with the lug 32 and jack up the lug 32 when the cutter rest 3 rotates, the jacking boss 202 and the lug 32 form a jacking device, the structure is simple, after the cutter head 10 is arranged on the handle 20, the cutter head body 1 is rotated to drive the connecting part 4 and the cutter rest 3 to rotate together, and because the cutter rest 3 can slide up and down on the connecting part 4, during rotation, the lug 32 is jacked up by the jacking boss 202 when it hits the jacking boss 202, so that the upper end of the blade 2 protrudes above the cutter head body 1.

Be equipped with convex buckle 203 on the lateral wall of assembly groove 201, be equipped with on the outside of connecting portion 41 from up the indent down and can supply buckle 203 to slide in its spout 43, be equipped with the draw-in groove 44 of indent from the side along its circumference on the connecting portion 41 outside, thereby the one end of draw-in groove 44 communicates with each other and can supply buckle 203 to slide in from spout 43 and restrict connecting portion 41 and upwards deviate from assembly groove 201 from spout 43, and draw-in groove 44 and spout 43 constitute L shape structure, connecting portion 41 is last to be equipped with the arch in draw-in groove 44 and be used for blockking the gliding gear strip 45 of buckle 203 in draw-in groove 44 along circumference, it makes buckle 203 slide gear strip 45 under the exogenic action to have the chamfer between the top of gear strip 45 and the both sides face, gear strip 45 separates draw-in groove 44 into three gear space 46 with buckle 203 matched with.

One of the shift positions 46 is communicated with the sliding slot 43, so that when the cutter head 10 is mounted on the handle 20, the sliding slot 43 is matched with the buckle 203 to enable the connecting part 41 to be inserted into the assembling slot 201, the buckle 203 directly slides into the shift position space 46, the cutter head 10 is rotated to enable the buckle 203 to slide through the shift position strip 45 and be located in one of the middle shift positions 46, the cutter head 10 is mounted and fixed on the handle 20, and the positions between the jacking boss 202 and the lug 32 are staggered; when eyebrow trimming is needed, the cutter head 10 is rotated, the buckle 203 slides through the other gear position bar 45 and is located in the third gear position space 46, the jacking boss 202 and the lug 32 are opposite up and down, and the lug 32 is jacked up through the jacking boss 202 in the rotating process, so that the upper end of the blade 2 extends out of the upper part of the cutter head body 1. When the cutter head 10 is rotated in the opposite direction, the cutter head body 1 is retracted by the blade 2, the cutter head 10 can be detached from the handle 20 when the cutter head is continuously rotated, the detaching structure is simple, and the blade 2 is convenient to lift.

As shown in the embodiment of fig. 2 to 5, be equipped with the arc back 33 that supplies blade 2 to paste on knife rest 3, blade 2 is the T shape from top to bottom, be equipped with the flank 34 that stretches out relatively from left and right sides tongue platform on the arc back 33, control form the male mounting groove 35 of T shape lower part that supplies blade 2 between flank 34 and the arc back 33, the below that lies in flank 34 on the arc back 33 is equipped with joint boss 36, joint boss 36 leans on one side to mounting groove 35 to be equipped with the chamfer in order to supply blade 2 to slide joint boss 36, be equipped with the joint hole 27 with joint boss 36 joint on blade 2, when the upper end of flank 34 about T shape upper portion card of blade 2, joint hole 27 card is on joint boss 36, simple structure, convenient assembling. The blade 2 can be punched from a T-shaped plate by a metal sheet, and simultaneously, the clamping hole 27 is punched, then the blade is bent into an arc shape, and finally, after the blade 2 is inclined for a certain angle, the upper end of the blade 2 is cut flat, and a cutting edge is processed. Then insert the blade 2 after the shaping from last down in the mounting groove 35, make joint hole 27 joint on joint boss 36, two steps card of blade 2 can on flank 34 simultaneously.

In order to facilitate the hair falling into the cutter head body 1 to fall out, one side of the cutter head body 1 corresponding to the concave surface of the blade 2 is provided with a hair discharging port 13 through which the hair falling into the cutter head body 1 can fall out, a hair discharging inclined plane 37 which slants downwards from the top and is used for discharging the hair discharging port 13 is arranged on the cutter rest 3, the upper end of the hair discharging inclined plane 37 is positioned below the cutting edge of the blade 2, and the lower end of the hair discharging inclined plane is positioned above the bottom end of the hair discharging port 13.

As shown in fig. 2 to 5 and fig. 11, the side of the cutting head body 1 corresponding to the concave surface of the blade 2 is provided with a comb tooth 15 for guiding hairs, and the comb tooth 15 is opposite to the blade 2, and can also play a role of directional indication, when eyebrow trimming, since the blade is hidden between the skin and the cutting head body 1, the direction of the blade 2 can be known through the comb tooth 15, and the direction of the eyebrow can be effectively shaved. A hair discharging opening 13 for the hair falling into the cutter head body 1 to fall out is formed between two adjacent comb teeth 15.

In order to prevent skin from getting caught between the teeth 15 and being cut by the blade 2, the distance C between the blade 2 and the teeth 15 directly opposite the blade 2 is between 0.2mm and 3.0mm, preferably between 0.8mm and 1.5 mm.

As shown in fig. 12, as another embodiment of the orientation indication of the hair-removing hole and the blade 2, a notch is formed in one side of the cutter head body 1 corresponding to the concave surface of the blade 2, and can be used for the orientation indication of the hair-removing hole and the blade 2, and an independent hair-removing hole 13 is additionally formed below the notch.

As shown in fig. 13, as a third embodiment of the orientation indication of the hair-removing hole and the blade 2, a long notch from top to bottom is provided on the side of the cutter head body 1 corresponding to the concave surface of the blade 2, and the long notch serves as the orientation indication of the hair-removing hole 13 and the blade 2.

The cutting edge comprises an arc-shaped main cutting edge 24 at the top end, and the edge line of the main cutting edge 24 is arc-shaped and perpendicular to the axis L of the cutter head body 1 or substantially perpendicular to the axis L of the cutter head body 1. The arcuate edge of the major cutting edge 24 is substantially adjacent the skin during shaving when the cartridge 10 is moved normal to the skin or substantially normal to the skin; or when the cutter head 10 inclines to a certain angle in the direction vertical to the skin for shaving, the arc-shaped cutting edge of the main cutting edge 24 can be attached to the skin at the middle part, and the two ends can only tilt to a small height, so that the main cutting edge 24 can contact the skin according to the floating of the skin during shaving, and the skin is prevented from being injured due to the fact that only a small tip part of the main cutting edge 24 contacts the skin.

As shown in fig. 8 and 9, as an embodiment of the insert 2, the insert 2 includes a concave surface 21 and a convex surface 23 forming an arc structure, and an upper end surface 22 connecting the concave surface 21 and the convex surface 23 from an upper end, the concave surface 21 and the upper end surface 22 being disposed at an acute angle and intersecting to form a main cutting edge 24. The arc formed by the intersection of the concave surface 21 and the upper end surface 22 is the edge line of the main cutting edge 24. The blade 2 is provided with a fillet 25 between the upper end surface 22 and the left and right side surfaces, an included angle between an arc surface formed by the fillet 25 and the concave surface 21 is an acute angle, and an arc surface formed by the fillet 25 is intersected with the concave surface 21 to form an auxiliary cutting edge 26, so that the multi-direction shaving effect of the cutter head is improved.

As shown in fig. 9, the intersection of the convex surface 23 and the upper end surface 22 forms an arc that is lower than the intersection of the concave surface 21 and the upper end surface 22 so that the major cutting edge 24 is angled upwardly to provide cutting sharpness.

As shown in fig. 14 and 15, as another embodiment of the insert 2, the insert 2 includes a concave surface 21 and a convex surface 23 forming an arc structure, and a V-shaped tip 28 connecting the concave surface 21 and the convex surface 23 from an upper end, the V-shaped tip 28 forming a main cutting edge 24, and an angle β of the V-shaped tip is between 5 ° and 30 °, preferably 15 ° and 20 °.

Claims

1. The utility model provides a pen-shaped eyebrow knife which characterized in that: the shaver head comprises a shaver head body (10) and a handle (20) which form a pen-shaped structure, the shaver head body (10) and the handle (20) are detachably connected, the shaver head body (10) comprises a columnar shaver head body (1), a blade (2) capable of shaving body hair from the upper end is arranged on the shaver head body (1), the blade (2) is composed of an arc-shaped piece with an arc-shaped cross section, an arc-shaped cutting edge is formed at the upper end of the arc-shaped piece, and the blade (2) is obliquely arranged relative to an axis (L) of the shaver head body (1).

2. The pencil-shaped eyebrow razor according to claim 1, wherein: the utility model discloses a cutting tool, including tool bit body (1), blade (2), handle (20), be equipped with on the up end of tool bit body (1) and go out edge of a knife (11), be equipped with between tool bit (10) and handle (20) and can drive the upper end of blade (2) and stretch out the drive switching device who is in the top of tool bit body (1) up end and with blade (2) fixed from edge of a knife (11).

3. The pencil-shaped eyebrow razor according to claim 2, wherein: the driving switch device comprises a knife rest (3) which is arranged in a knife head body (1) and can move up and down, a blade (2) is fixed on the knife rest (3) and extends out of the upper end surface of the knife head body (1) along with the upward movement of the knife rest (3) and retracts below the upper end surface of the knife head body (1) along with the downward movement of the knife rest (3), a connecting piece (4) which can prevent the knife rest (3) from falling out of the knife head body (1) is arranged at the lower part of the knife head body (1), the knife rest (3) is connected to the connecting piece (4) in a vertical sliding manner, an elastic piece (5) which can elastically press the knife rest (3) downwards when the knife rest (3) ascends is arranged between the knife rest (3) and the knife head body (1), and a connecting part (41) which is arranged below the knife head body (1) and is connected with a handle (20) is arranged on the connecting piece (4), the tool bit is characterized in that a through hole (42) which is through up and down is formed in the connecting piece (4), a jacking shaft (31) which is inserted into the through hole (42) is arranged on the tool rest (3), and a jacking device which can jack the jacking shaft (31) upwards to enable the upper end of the blade (2) to extend out of the upper portion of the tool bit body (1) is arranged between the tool bit (10) and the handle (20).

4. The pencil-shaped eyebrow razor according to claim 3, wherein: the upper end of the handle (20) is provided with an assembly groove (201) which is concave downwards and matched with the connecting part (41), the connecting piece (4) is clamped and fixed on the tool bit body (1), the connecting part (41) is of a cylindrical structure and can rotate in the assembling groove (201), the jacking shaft (31) is provided with a lug (32) which protrudes downwards below the connecting part (41), the lug (32) is arranged by deviating from the central axis of the connecting part (41), the lug (32) and the lower end surface of the top pressure shaft (31) are smoothly transited, the tool rest (3) is connected on the connecting piece (4) and rotates along with the rotation of the connecting piece (4), the assembly groove (201) is internally provided with a jacking boss (202) which can interfere with the lug (32) and jack the lug (32) upwards when the tool rest (3) rotates, and the jacking boss (202) and the lug (32) form a jacking device.

5. The pencil-shaped eyebrow razor according to claim 4, wherein: the side wall of the assembling groove (201) is provided with a convex buckle (203), the outer side of the connecting part (41) is provided with a sliding groove (43) which is concave upwards from bottom to top and can allow the buckle (203) to slide into the connecting part, the outer side of the connecting part (41) is provided with a clamping groove (44) which is concave inwards from side along the circumferential direction, one end of the clamping groove (44) is communicated with the upper end of the sliding groove (43) and can allow the buckle (203) to slide into the sliding groove (43) so as to limit the connecting part (41) to be upwards separated from the assembling groove (201), the clamping groove (44) and the sliding groove (43) form an L-shaped structure, the connecting part (41) is provided with a gear bar (45) which is convex in the clamping groove (44) along the circumferential direction and is used for blocking the buckle (203) to slide in the clamping groove (44), and a chamfer is arranged between the top and two side faces of the gear bar (45) so as to allow the buckle (203) to slide through the gear bar (45) under the action of external force, the gear shift bar (45) divides the clamping groove (44) into three gear shift spaces (46) matched with the buckle (203), one gear shift space (46) is communicated with the sliding groove (43), when the buckle (203) is located in the middle gear shift space (46), the jacking boss (202) and the lug (32) are staggered in position, and when the buckle (203) is located in the third gear shift space (46), the jacking boss (202) and the lug (32) are opposite in position.

6. The pencil-shaped eyebrow razor according to any one of claims 1 to 5, wherein: the height A of the blade (2) extending out of the upper end face of the tool bit body (1) meets the requirement that A is more than 0 and less than or equal to 0.5 mm.

7. The pencil-shaped eyebrow razor according to any one of claims 1 to 5, wherein: the width D of the upper end of the tool bit body (1) corresponding to the width direction of the blade (2) is larger than or equal to 2mm and smaller than or equal to 15mm, and the width E of the upper part of the blade (2) is larger than 2mm and smaller than or equal to 10 mm.

8. The pencil-shaped eyebrow razor according to any one of claims 1 to 5, wherein: the inclination angle alpha between the blade (2) and the axis (L) of the tool bit body (1) is more than or equal to 10 degrees and less than or equal to 80 degrees.

9. The pencil-shaped eyebrow razor according to any one of claims 1 to 5, wherein: the cutting edge comprises an arc-shaped main cutting edge (24) positioned at the top end, and the edge line of the main cutting edge (24) is arc-shaped and is perpendicular to the axis (L) of the cutter head body (1) or is basically perpendicular to the axis (L) of the cutter head body (1).

10. The pencil-shaped eyebrow razor according to any one of claims 1 to 5, wherein: the concave surface of the blade (2) is obliquely arranged downwards.