CN112045719A - Novel rotary shaver head - Google Patents
Novel rotary shaver head Download PDFInfo
- Publication number
- CN112045719A CN112045719A CN202010988176.8A CN202010988176A CN112045719A CN 112045719 A CN112045719 A CN 112045719A CN 202010988176 A CN202010988176 A CN 202010988176A CN 112045719 A CN112045719 A CN 112045719A
- Authority
- CN
- China
- Prior art keywords
- knife
- edge
- cutter
- shaver head
- movable
- 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.)
- Pending
Links
- 230000001154 acute effect Effects 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/14—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
- B26B19/16—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor involving a knife cylinder or a knife cone or separate cutting elements moved like a rotating cylinder or a rotating cone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/14—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the rotary-cutter type; Cutting heads therefor; Cutters therefor
- B26B19/141—Details of inner cutters having their axes of rotation perpendicular to the cutting surface
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Shavers And Clippers (AREA)
Abstract
The invention relates to a novel rotary shaver head, which comprises a fixed cutter and a movable cutter, wherein the fixed cutter is sleeved outside the movable cutter, and the movable cutter rotates to form a shearing edge with a beard feeding groove of the fixed cutter; the movable knife comprises a base body and a knife edge, the knife edge is formed by cutting the edge of the base body into equal-part triangles and then bending the triangles upwards, and the surface of the knife edge is parallel to the surface of the base body. The cross section of the cutting edge is an isosceles trapezoid with a wide upper part and a narrow lower part, so that an acute angle blade point is formed. The rotary shaver head designed by the invention changes the directions of the traditional movable knife and the knife edge thereof, so that the knife edge of the movable knife and the knife edge of the fixed knife are arranged in parallel, the movable knife can rotate in two directions, the knife edge can be ground while shaving, the sharpness of the knife edge is increased, the service life of the knife edge is prolonged, and the sharpness of the knife edge is improved by 5-10 times.
Description
Technical Field
The invention relates to a rotary electric shaver, in particular to a novel rotary shaver head.
Background
The shaving effect of the electric rotary shaver is mainly determined by the fixed blade edge and the movable blade edge, the fixed blade generally adopts a net structure, the existing movable blade mostly adopts an inclined blade, and the blade edge faces to one side, so that the blade edge can only rotate in a single direction, the blade edge is damaged after long-time use, the sharpness is reduced, and the service life of the shaver is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the novel rotary shaver head provided by the invention changes the directions of the traditional movable cutter and the cutter point thereof, so that the cutter edge of the movable cutter and the cutter edge of the fixed cutter are arranged in parallel, the movable cutter can rotate in the positive and negative directions, the cutter point can be ground while shaving, the sharpness of the cutter point is increased, and the service life of the cutter point is prolonged.
The technical scheme for solving the technical problems is as follows:
a novel rotary shaver head comprises a fixed cutter and a movable cutter, wherein the fixed cutter is sleeved on the outer side of the movable cutter, and the movable cutter rotates to form a shearing edge with a beard feeding groove of the fixed cutter; the movable knife comprises a base body and a knife edge, the knife edge is formed by cutting the edge of the base body into equal-part triangles and then bending the triangles upwards, and the surface of the knife edge is parallel to the surface of the base body.
Furthermore, the cross section of the cutting edge is an isosceles trapezoid with a wide upper part and a narrow lower part, so that an acute-angle blade point is formed.
Further, the angle of the acute angle blade point is 30-60 degrees.
Furthermore, balance rods are symmetrically arranged between the blades at the edge of the base body.
Further, the balance rods are symmetrically arranged in two groups or four groups, and the blades are evenly divided into two groups or four groups.
Further, the balance bar equally divides the blades into four groups, and each group is provided with four blades.
Furthermore, the base body is uniformly provided with cutting holes.
Furthermore, the fixed knife is a single-ring fixed knife, and the width of the single-ring fixed knife corresponds to the length of the knife edge.
Furthermore, the width of the fixed cutter whisker feeding groove is 0.3-0.4 mm.
Furthermore, the fixed knife and the movable knife are both of an integrally formed structure.
Compared with the prior art, the invention has the beneficial effects that: the rotary shaver head designed by the invention changes the directions of the traditional movable knife and the knife edge thereof, so that the knife edge of the movable knife and the knife edge of the fixed knife are arranged in parallel, the movable knife can rotate in two directions, the knife edge can be ground while shaving, the sharpness of the knife edge is increased, the service life of the knife edge is prolonged, and the sharpness of the knife edge is improved by 5-10 times.
Drawings
FIG. 1 is a schematic view of a knife according to an embodiment of the present invention;
FIG. 2 is a schematic view of a stationary blade according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a blade according to an embodiment of the present invention.
Detailed Description
The following description will be provided in detail with reference to the accompanying drawings, which are not intended to limit the present invention, and all similar structures and similar variations using the present invention shall fall within the scope of the present invention.
Example one
As shown in fig. 1-4, a novel rotary shaver head comprises a fixed cutter 1 and a movable cutter 2, wherein the fixed cutter 1 is sleeved outside the movable cutter 2, and the movable cutter 2 rotates to form a cutting edge with a beard feeding groove 3 of the fixed cutter 1; the fixed knife 1 and the movable knife 2 are both of an integrally formed structure. The width of the whisker feeding groove 3 of the fixed knife 1 is 0.3-0.4 mm. The movable knife 2 comprises a base body 4 and a knife edge 5, the knife edge 5 is formed by cutting the edge of the base body 4 into equal-part triangles and bending upwards, and the surface of the knife edge 5 is parallel to the surface of the base body 4. The cross section of the cutting edge 5 is an isosceles trapezoid with a wide upper part and a narrow lower part, and an acute angle blade point is formed. The angle of the acute angle blade point is 30-60 degrees. And the base body 4 is uniformly provided with cutting holes 6. The fixed knife 1 is a single-ring fixed knife, and the width of the single-ring fixed knife corresponds to the length of the knife edge.
Example two
As shown in fig. 1-4, a novel rotary shaver head comprises a fixed cutter 1 and a movable cutter 2, wherein the fixed cutter 1 is sleeved outside the movable cutter 2, and the movable cutter 2 rotates to form a cutting edge with a beard feeding groove 3 of the fixed cutter 1; the fixed knife 1 and the movable knife 2 are both of an integrally formed structure. The width of the whisker feeding groove 3 of the fixed knife 1 is 0.3-0.4 mm. The movable knife 2 comprises a base body 4 and a knife edge 5, the knife edge 5 is formed by cutting the edge of the base body 4 into equal-part triangles and bending upwards, and the surface of the knife edge 5 is parallel to the surface of the base body 4. The cross section of the cutting edge 5 is an isosceles trapezoid with a wide upper part and a narrow lower part, and an acute angle blade point is formed. The angle of the acute angle blade point is 30-60 degrees. Two groups of balance rods 7 are symmetrically arranged between the blades 5 at the edge of the base body 4, and the blades 5 are averagely divided into two groups. And the base body 4 is uniformly provided with cutting holes 6. The fixed knife 1 is a single-ring fixed knife, and the width of the single-ring fixed knife corresponds to the length of the knife edge.
EXAMPLE III
As shown in fig. 1-4, a novel rotary shaver head comprises a fixed cutter 1 and a movable cutter 2, wherein the fixed cutter 1 is sleeved outside the movable cutter 2, and the movable cutter 2 rotates to form a cutting edge with a beard feeding groove 3 of the fixed cutter 1; the fixed knife 1 and the movable knife 2 are both of an integrally formed structure. The width of the whisker feeding groove 3 of the fixed knife 1 is 0.3-0.4 mm. The movable knife 2 comprises a base body 4 and a knife edge 5, the knife edge 5 is formed by cutting the edge of the base body 4 into equal-part triangles and bending upwards, and the surface of the knife edge 5 is parallel to the surface of the base body 4. The cross section of the cutting edge 5 is an isosceles trapezoid with a wide upper part and a narrow lower part, and an acute angle blade point is formed. The angle of the acute angle blade point is 30-60 degrees. Four groups of balance rods 7 are symmetrically arranged between the blades 5 at the edge of the base body 4, the blades 5 are evenly divided into four groups, and each group is provided with four blades 5. And the base body 4 is uniformly provided with cutting holes 6. The fixed knife 1 is a single-ring fixed knife, and the width of the single-ring fixed knife corresponds to the length of the knife edge.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (10)
1. The utility model provides a novel rotation type razor tool bit which characterized in that: the cutting device comprises a fixed cutter (1) and a movable cutter (2), wherein the fixed cutter (1) is sleeved on the outer side of the movable cutter (2), and the movable cutter (2) rotates to form a cutting edge with a beard feeding groove (3) of the fixed cutter (1); the movable knife (2) comprises a base body (4) and a knife edge (5), the knife edge (5) is formed by bending the edge of the base body (4) upwards after being cut into equal parts of triangles, and the surface of the knife edge (5) is parallel to the surface of the base body (4).
2. A novel rotary shaver head as claimed in claim 1, wherein: the cross section of the cutting edge (5) is an isosceles trapezoid with a wide upper part and a narrow lower part, and an acute-angle blade point is formed.
3. A novel rotary shaver head as claimed in claim 2, wherein: the angle of the acute angle blade point is 30-60 degrees.
4. A novel rotary shaver head as claimed in claim 1, wherein: balance rods (7) are symmetrically arranged between the blades (5) at the edge of the base body (4).
5. The novel rotary shaver head as claimed in claim 4, wherein: the balancing rods (7) are symmetrically provided with two groups or four groups, and the blades (5) are equally divided into two groups or four groups.
6. The novel rotary shaver head as claimed in claim 5, wherein: the balance rods (7) divide the blades (5) into four groups on average, and each group is provided with four blades (5).
7. A novel rotary shaver head as claimed in claim 1, wherein: the base body (4) is uniformly provided with cutting-in holes (6).
8. A novel rotary shaver head as claimed in claim 2, wherein: the fixed knife (1) is a single-ring fixed knife, and the width of the single-ring fixed knife corresponds to the length of the knife edge.
9. A novel rotary shaver head as claimed in claim 8, wherein: the width of the whisker feeding groove (3) of the fixed knife (1) is 0.3-0.4 mm.
10. A novel rotary shaver head as claimed in any one of claims 1 to 9 wherein: the fixed cutter (1) and the movable cutter (2) are both of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010988176.8A CN112045719A (en) | 2020-09-18 | 2020-09-18 | Novel rotary shaver head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010988176.8A CN112045719A (en) | 2020-09-18 | 2020-09-18 | Novel rotary shaver head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112045719A true CN112045719A (en) | 2020-12-08 |
Family
ID=73603953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010988176.8A Pending CN112045719A (en) | 2020-09-18 | 2020-09-18 | Novel rotary shaver head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112045719A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146690A (en) * | 2021-05-24 | 2021-07-23 | 王开永 | Shaver head |
| CN114683317A (en) * | 2020-12-31 | 2022-07-01 | 宁波美钻机电有限公司 | Ceramic moving knife for rotary shaver |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI861135A0 (en) * | 1985-03-29 | 1986-03-18 | Izumi Seimitsu Kogyo Kk | INRE ROTERANDE BETT FOER ELETRISK RAKMASKIN OCH DESS FRAMSTAELLNINGSFOERFARANDE. |
| CN107309915A (en) * | 2017-07-19 | 2017-11-03 | 吴让攀 | Rotary shaver head |
| CN108501048A (en) * | 2018-03-11 | 2018-09-07 | 德清德研陶瓷有限公司 | Razor head |
| CN210282387U (en) * | 2019-06-18 | 2020-04-10 | 宁波美钻机电有限公司 | Rotary electric shaving device |
| CN212352106U (en) * | 2020-09-18 | 2021-01-15 | 王开永 | Novel rotary shaver head |
-
2020
- 2020-09-18 CN CN202010988176.8A patent/CN112045719A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI861135A0 (en) * | 1985-03-29 | 1986-03-18 | Izumi Seimitsu Kogyo Kk | INRE ROTERANDE BETT FOER ELETRISK RAKMASKIN OCH DESS FRAMSTAELLNINGSFOERFARANDE. |
| CN107309915A (en) * | 2017-07-19 | 2017-11-03 | 吴让攀 | Rotary shaver head |
| CN108501048A (en) * | 2018-03-11 | 2018-09-07 | 德清德研陶瓷有限公司 | Razor head |
| CN210282387U (en) * | 2019-06-18 | 2020-04-10 | 宁波美钻机电有限公司 | Rotary electric shaving device |
| CN212352106U (en) * | 2020-09-18 | 2021-01-15 | 王开永 | Novel rotary shaver head |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683317A (en) * | 2020-12-31 | 2022-07-01 | 宁波美钻机电有限公司 | Ceramic moving knife for rotary shaver |
| CN113146690A (en) * | 2021-05-24 | 2021-07-23 | 王开永 | Shaver head |
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