CN109571554B - Cutter head structure of rotary razor - Google Patents
Cutter head structure of rotary razor Download PDFInfo
- Publication number
- CN109571554B CN109571554B CN201811423335.9A CN201811423335A CN109571554B CN 109571554 B CN109571554 B CN 109571554B CN 201811423335 A CN201811423335 A CN 201811423335A CN 109571554 B CN109571554 B CN 109571554B
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- Prior art keywords
- cutter
- rotary
- surface body
- hair
- head structure
- Prior art date
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- 210000004209 hair Anatomy 0.000 claims abstract description 56
- 238000005520 cutting process Methods 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000007769 metal material Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims 1
- 239000011148 porous material Substances 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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
Abstract
The invention discloses a cutter head structure of a rotary razor, which comprises a surface body contacted with a face and a cylinder body used for assembling, wherein a rotary cutter row and a rotary frame used for fixing the rotary cutter row and connected with an external rotating mechanism are arranged below the surface body, the rotary cutter row comprises an outer cutter and an inner cutter which are different in radius and take a rotary shaft as a center, an outer inlet pore is arranged between the surface body and the cylinder body, an inner inlet pore is arranged inside the surface body positioned in the outer inlet pore, the surface body is of a spherical surface or a plane structure and is used for enabling the rotary cutter row to rotationally cut hairs along the bottom surface of the surface body, the surface body can be effectively supported through the outer cutter and the inner cutter structure, deformation and damage of the surface body due to compression are prevented, multiple stretching forming are avoided, and the surface body structure and the processing technology are simplified.
Description
[ field of technology ]
The present invention relates to a cutter head structure of a rotary razor.
[ background Art ]
The rotary electric shaver is generally composed of a cutter mesh and a rotary cutter, wherein the cutter mesh comprises a surface body contacted with skin and a cylinder body for assembly, and an inner ring cutter groove and an outer ring cutter groove corresponding to the inner ring cutter groove and the outer ring cutter groove are formed on the cutter mesh in a stretching mode according to the inner rotary cutter and the outer rotary cutter, so that the rotary cutter is matched with the rotary cutter. The shaping of the inner and outer ring cutter grooves and the shaping, ensuring that each cutter groove is neat and consistent, ensuring better fit with the rotary cutter to cut hair, leading the manufacturing and shaping process to be complex, and the surface body and the barrel body are of an integrated structure.
The patent number is CN201320552400, the name is a combined type knife net of the rotary shaver and the rotary shaver, a technical scheme for solving the technical problem of the defect of the integral structure of the surface body and the barrel is disclosed, namely, the technical scheme is that the independent surface body and the barrel are assembled and formed, and the technical scheme is as follows in combination with the specification and the attached drawing: the surface body is provided with an assembly interface, and the assembly interface is provided with a step which extends into the inner diameter of the cylinder body and is matched and fixed with the inner diameter of the cylinder body. When the surface body and the cylinder body are metal parts, the fixed connection can be realized through laser welding; when the surface body is a metal piece and the cylinder body is a plastic piece, the surface body can be fixed through injection molding. Although the technology solves the problem of complex and difficult manufacturing process caused by inconsistent thickness of the surface body and the cylinder body, the technology also has the following defects:
1. the surface body is stretched and formed with knife grooves, and in order to ensure the cutting effect, the knife grooves are required to be tidy and consistent after being formed, so that the manufacturing and forming process is complex.
2. The surface body and the cylinder body are fixed by adopting a mode that an assembly interface is provided with a step which is matched with the inner diameter of the cylinder body, the stretch forming process of the interface step structure is increased, the interface step is contracted inwards from the outer side wall of the outer ring cutter groove, the interface step is blocked below the outer ring cutter groove, the forming difficulty of the outer ring cutter groove or the interface step is increased, and the manufacturing process of the surface body is complex; moreover, when an injection molding process is adopted, the retracted interface step leads to complex positioning of the surface body in the injection mold, and complex glue blocking structure for preventing the plastic solution from entering the surface body is formed, so that the injection molding process is complex, and the manufacturing cost is high.
3. The outer side wall of the outer ring cutter groove is positioned above the cylinder body, and the top surface of the surface body and the outer side wall of the outer ring cutter groove collapse easily when external force collides due to the fact that the surface body is thin in material and low in strength, so that the whole cutter mesh is broken.
4. The structure does not improve the wool guiding and feeding structure of the existing outer cutter net.
The present invention has been made based on this situation.
[ invention ]
The invention aims to overcome the defects of the prior art and provide the cutter head structure of the rotary razor which has a simple structure and is easy to process and produce.
The invention is realized by the following technical scheme:
a cutter head structure of a rotary razor, characterized in that: including the face body with facial contact to and be used for the barrel of assembly, the face body is sphere or planar structure, the face body below is equipped with rotatory row sword, and is used for fixed rotatory row sword and the swivel mount of being connected with outside slewing mechanism, rotatory row sword includes outer sword and the interior sword of radius difference with the rotation axis as the center, be equipped with between face body and the barrel and advance the pore outward, the face body is located and advances the pore inboard outward and is equipped with interior pore.
A cutter head structure of a rotary razor as described above, characterized in that: the rotary cutter row further comprises a middle cutter positioned between the two rotary radiuses of the outer cutter and the inner cutter.
A cutter head structure of a rotary razor as described above, characterized in that: the inner diameter R1 of the outer cutter is smaller than the maximum outer diameter R22 of the middle cutter, the outer diameter R3 of the inner cutter is larger than the minimum inner diameter R21 of the middle cutter, and a seamless butt joint cutting area is formed among the outer cutter, the middle cutter and the inner cutter during rotary cutting.
A cutter head structure of a rotary razor as described above, characterized in that: the outer cutters are two and symmetrical relative to the rotation center, the inner cutters are two and symmetrical relative to the rotation center, and the middle cutters are two and symmetrical relative to the rotation center.
A cutter head structure of a rotary razor as described above, characterized in that: the outer cutter, the middle cutter and the inner cutter are mutually staggered at a certain angle and circumferentially arranged around the rotation center.
A cutter head structure of a rotary razor as described above, characterized in that: the face body is two parts of mutually independent and fixed connection with the barrel, the outside of face body down integrated into one piece has the connecting portion that is used for being connected with the barrel, be equipped with strip between the edge of face body and the connecting portion and advance the hair groove, be equipped with on the outer peripheral face of barrel upper end outwards convex and constitute comb-like structure lead the hair tooth, the connecting portion is fixed on leading the root of hair tooth, two lead be equipped with between the hair tooth with advance the communicating hair groove of hair groove, lead the hair groove and advance the hair groove and constitute and advance the pore outward.
A cutter head structure of a rotary razor as described above, characterized in that: the surface body is made of a metal material.
A cutter head structure of a rotary razor as described above, characterized in that: the barrel is made of plastic materials, and the connecting part is combined and fixed with the root part of the hair guide tooth during injection molding of the barrel.
A cutter head structure of a rotary razor as described above, characterized in that: the barrel is made of metal materials, the connecting part is welded on the root of the hair guide tooth, and the welded part is polished and ground after welding.
A cutter head structure of a rotary razor as described above, characterized in that: the top surface of the hair guide tooth and the top surface of the surface body are in smooth transition.
Compared with the prior art, the invention has the following advantages:
1. the surface body is of a spherical surface or plane structure, so that the rotary row cutters can rotationally cut hairs along the bottom surface of the surface body, the surface body can be effectively supported through the outer cutter and the inner cutter structures, deformation and damage of the surface body under pressure of the couch are prevented, multiple stretch forming is avoided, and the surface body structure and the processing technology are simplified.
2. The inner diameter R1 of the outer cutter is smaller than the maximum outer diameter R22 of the middle cutter, the outer diameter R3 of the inner cutter is larger than the minimum inner diameter R21 of the middle cutter, and a seamless butt joint cutting area is formed among the outer cutter, the middle cutter and the inner cutter during rotary cutting, so that the area between the outer cutter and the inner cutter is subjected to full-coverage cutting.
3. According to the invention, the outer cutter, the inner cutter and the middle cutter are respectively two and are symmetrical relative to the rotation center, so that the cutting efficiency is high, and furthermore, the outer cutter, the middle cutter and the inner cutter are mutually staggered for a certain angle and circumferentially arranged around the rotation center, so that the symmetrical and balanced supporting surface body is realized, and the deformation resistance of the surface body is improved.
4. The hair guide teeth are used for contacting skin and beard, and can comb hair so as to enter the cutter head for cutting better through the hair guide grooves and the hair inlet grooves.
5. According to the invention, the surface body and the cylinder body are mutually independent and are connected and fixed with the cylinder body through the connecting part which is formed integrally downwards, so that the knife net structure formed by the surface body and the cylinder body is simplified, the connecting structure is simple, the step protruding from outside to inside can be avoided from being formed between the surface body and the connecting part, and the forming process is simple.
6. The connecting part is completely combined on the root part of the hair guide teeth, only the top surface of the face body is exposed, the structural strength is better, and the top surface of the hair guide teeth is used as a part contacted with skin and beards, so that the shaving comfort is improved.
7. According to the invention, the connecting part is fixed on the root of the hair guide tooth when the barrel is made of plastic materials, the structure of the surface body, the connecting part and the barrel is simple, the positioning of the surface body and the connecting part in the injection mold is easy, the molding production can be realized through the up-down opposite inserted modules, and the structure of the injection mold is simplified.
8. The surface body and the cylinder body can be made of metal materials, the connecting part and the cylinder body are fixed through welding and then are polished, and the process is simple.
[ description of the drawings ]
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a top view of the combined structure of the rotary gang tool and the rotary frame of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view of an embodiment of the present invention in which the cartridge is made of plastic material, taken along the direction A-A in FIG. 3;
fig. 5 is a cross-sectional view of an embodiment of the present invention, in which the cylinder is made of metal, taken along the direction A-A in fig. 3.
[ detailed description ] of the invention
The invention is further described below with reference to the accompanying drawings:
the cutter head structure of the rotary razor shown in fig. 1 to 4 comprises a surface body 1 contacted with the face and a cylinder body 2 used for assembling, wherein a rotary cutter row 4 and a rotary frame 5 used for fixing the rotary cutter row 4 and connected with an external rotating mechanism are arranged below the surface body 1, the rotary cutter row 4 comprises an outer cutter 41 and an inner cutter 43 which are different in radius and take a rotary shaft as a center, an outer inlet pore 20 is arranged between the surface body 1 and the cylinder body 2, an inner inlet pore 10 is arranged on the inner side of the outer inlet pore 20, and the outer cutter 41 and the inner cutter 43 are sheared by the outer inlet pore 20 and the inner inlet pore 10.
The surface body 1 is in a spherical or planar structure, so that the rotary row cutters 4 can cut hairs along the bottom surface of the surface body 1 in a rotary mode, the surface body 1 can be effectively supported through the structures of the outer cutters 41 and the inner cutters 43, deformation and damage of the surface body 1 due to the pressing couch can be prevented, multiple stretch forming is avoided, and the structure and the processing technology of the surface body 1 are simplified.
In order to improve the shearing coverage area, the rotary cutter 4 further comprises an intermediate cutter 42 located between the two turning radii of the outer cutter 41 and the inner cutter 43, and the inner pore 10 is provided with a plurality of pores and distributed on the area between the outer cutter 41 and the inner cutter 43 for cutting by the intermediate cutter 42 and the inner cutter 43.
The inner diameter R1 of the outer cutter 41 is smaller than the maximum outer diameter R22 of the middle cutter 42, the outer diameter R3 of the inner cutter 43 is larger than the minimum inner diameter R21 of the middle cutter 42, and a seamless butt joint cutting area is formed among the outer cutter 41, the middle cutter 42 and the inner cutter 43 during rotary cutting, so that the area between the outer cutter 41 and the inner cutter 43 is subjected to full-coverage cutting.
The intermediate cutters 42 may be formed by a set of cutters having the same radius of gyration, or may be formed by two or more sets of cutters having different radii of gyration. When the intermediate cutter 42 is composed of two or more cutter groups having different radii of gyration, the cutting areas between the adjacent two cutter groups are seamlessly abutted.
The outer cutters 41 are two and are symmetrical relative to the rotation center, the inner cutters 43 are two and are symmetrical relative to the rotation center, the middle cutters 42 are two and are symmetrical relative to the rotation center, cutting efficiency is improved, and further, the outer cutters 41, the middle cutters 42 and the inner cutters 43 are mutually staggered for a certain angle and circumferentially arranged around the rotation center so as to symmetrically and evenly support the surface body 1, and deformation resistance of the surface body 1 is improved.
The face body 1 is two mutually independent parts and fixedly connected with the barrel body 2, a connecting part 3 used for being connected with the barrel body 2 is formed by downward integrated into one piece in the outer side of the face body 1, a strip-shaped hair inlet groove 11 is formed between the edge of the face body 1 and the connecting part 3, hair guide teeth 21 which are outwards protruded and form a comb-shaped structure are arranged on the outer peripheral surface of the upper end of the barrel body 2, the connecting part 3 is fixed on the root of the hair guide teeth 21, a hair guide groove 22 communicated with the hair inlet groove 11 is formed between the two hair guide teeth 21, and the hair guide groove 22 and the hair inlet groove 11 form an outer hair inlet hole 20. The hair guiding teeth 21 are uniformly arranged around the circumferential direction of the cylinder body 2, and the hair guiding teeth 21 are used for contacting skin and beard and combing hair so as to better enter the cutter head for cutting through the hair guiding grooves 22 and the hair feeding grooves 11.
The connecting part 3 is formed by integrally forming the outer side of the surface body 1 downwards, the connecting part 3 is fixedly connected with the cylinder body 2, the knife net structure formed by the surface body 1 and the cylinder body 2 is simplified, the connecting structure is simple, the step protruding from the outside to the inside can be avoided between the surface body 1 and the connecting part 3, and the forming process is simple.
The top surface of the hair guide teeth 21 and the top surface of the face body 1 are in smooth transition, the connecting part 3 is completely combined on the root of the hair guide teeth 21, only the top surface of the face body 1 is exposed, the structural strength is better, and the top surface of the hair guide teeth 21 is used as a part contacted with skin and beards, so that the shaving comfort is improved.
The head of the hair guide teeth 21 is provided with a guide angle, so that the carding function of the hair guide teeth 21 is enhanced.
The surface body 1 is made of a metal material.
The cylinder body 2 is made of plastic materials, and the connecting part 3 is combined and fixed with the root parts of the hair guide teeth 21 when the cylinder body 2 is injection molded. The connecting structure is easy to position the surface body 1 in the injection mold during injection molding of the cylinder body 2, and can realize molding production through the up-down opposite inserted modules, so that the structure of the injection mold is simplified.
The connecting part 3 is provided with a combining tooth 31 which protrudes outwards inside the hair guiding tooth 21 to increase the combining force of the surface body 1 and the cylinder body 2. The combining teeth 31 are protruded inside the hair guiding teeth 21, so that the combining force between the connecting part 3 and the cylinder 2 is increased, the thickness of the cylinder wall of the cylinder 2 is prevented from being increased, and materials are saved.
In another embodiment shown in fig. 5, the cylinder 2 is made of metal material, the connecting part 3 is welded on the root of the hair guide teeth 21, and the welded part 6 is polished and ground after welding, so that the process is simple and the structural strength is good.
The cutter head of the rotary razor has simple structure, simple production process and easy production and processing.
Claims (9)
1. A cutter head structure of a rotary razor, characterized in that: comprises a surface body (1) contacted with the surface and a cylinder body (2) used for assembling, wherein the surface body (1) is of a spherical surface or plane structure, a rotary row cutter (4) is arranged below the surface body (1), a rotary frame (5) used for fixing the rotary row cutter (4) and connected with an external rotating mechanism is arranged below the surface body (1), the rotary row cutter (4) comprises an outer cutter (41) and an inner cutter (43) which are different in radius and take a rotary shaft as a center, an outer inlet hole (20) is arranged between the surface body (1) and the cylinder body (2), the surface body (1) is positioned at the inner side of the outer inlet hole (20) and is provided with an inner inlet hole (10), the surface body (1) and the cylinder body (2) are two mutually independent parts and are fixedly connected, a connecting part (3) used for being connected with the cylinder body (2) is formed by downward integration, a strip-shaped hair inlet groove (11) is arranged between the edge of the surface body (1) and the connecting part (3), a protruding root part (21) is arranged on the outer peripheral surface of the upper end of the cylinder body (2) and is provided with a strip-shaped hair inlet groove (21), the hair inlet groove (21) is formed between the hair guide grooves (21) and the hair guide grooves (21), the hair guide groove (22) and the hair inlet groove (11) form an outer hair inlet hole (20).
2. A rotary razor head structure according to claim 1, wherein: the rotary cutter row (4) further comprises an intermediate cutter (42) positioned between the two rotary radiuses of the outer cutter (41) and the inner cutter (43).
3. A rotary razor head structure according to claim 2, wherein: the inner diameter R1 of the outer cutter (41) is smaller than the maximum outer diameter R22 of the middle cutter (42), the outer diameter R3 of the inner cutter (43) is larger than the minimum inner diameter R21 of the middle cutter (42), and a seamless butt joint cutting area is formed among the outer cutter (41), the middle cutter (42) and the inner cutter (43) during rotary cutting.
4. A rotary razor head structure according to claim 2, wherein: the outer cutters (41) are two and symmetrical relative to the rotation center, the inner cutters (43) are two and symmetrical relative to the rotation center, and the middle cutters (42) are two and symmetrical relative to the rotation center.
5. A rotary razor head structure according to claim 2, wherein: the outer cutter (41), the middle cutter (42) and the inner cutter (43) are mutually staggered at a certain angle and circumferentially arranged around the rotation center.
6. A rotary razor head structure according to claim 1, wherein: the surface body (1) is made of a metal material.
7. A rotary razor head structure according to claim 6, wherein: the cylinder body (2) is made of plastic materials, and the connecting part (3) is combined and fixed with the root of the hair guide tooth (21) when the cylinder body (2) is injection molded.
8. A rotary razor head structure according to claim 6, wherein: the cylinder body (2) is made of a metal material, the connecting part (3) is welded on the root of the hair guide tooth (21), and the welded part (6) is polished after welding.
9. A rotary razor head structure according to claim 1, wherein: the top surface of the hair guide teeth (21) and the top surface of the surface body (1) are in smooth transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423335.9A CN109571554B (en) | 2018-11-27 | 2018-11-27 | Cutter head structure of rotary razor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423335.9A CN109571554B (en) | 2018-11-27 | 2018-11-27 | Cutter head structure of rotary razor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109571554A CN109571554A (en) | 2019-04-05 |
| CN109571554B true CN109571554B (en) | 2023-12-08 |
Family
ID=65924777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811423335.9A Active CN109571554B (en) | 2018-11-27 | 2018-11-27 | Cutter head structure of rotary razor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109571554B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4393586A (en) * | 1979-08-07 | 1983-07-19 | Matsushita Electric Works, Ltd. | Shaving blade assembly for rotary type electric shaver |
| CN103522312A (en) * | 2013-10-16 | 2014-01-22 | 浙江百特电器有限公司 | Knife net, cutting mechanism and shaving device |
| CN203460207U (en) * | 2013-09-06 | 2014-03-05 | 文洁 | Combined shaver screen for rotating shaver and rotating shaver |
| CN203460205U (en) * | 2013-09-10 | 2014-03-05 | 文洁 | Rotary shaver |
-
2018
- 2018-11-27 CN CN201811423335.9A patent/CN109571554B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4393586A (en) * | 1979-08-07 | 1983-07-19 | Matsushita Electric Works, Ltd. | Shaving blade assembly for rotary type electric shaver |
| CN203460207U (en) * | 2013-09-06 | 2014-03-05 | 文洁 | Combined shaver screen for rotating shaver and rotating shaver |
| CN203460205U (en) * | 2013-09-10 | 2014-03-05 | 文洁 | Rotary shaver |
| CN103522312A (en) * | 2013-10-16 | 2014-01-22 | 浙江百特电器有限公司 | Knife net, cutting mechanism and shaving device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109571554A (en) | 2019-04-05 |
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