WO2023061316A1 - 一种剃毛器圆刀刀头及剃毛器 - Google Patents

一种剃毛器圆刀刀头及剃毛器 Download PDF

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Publication number
WO2023061316A1
WO2023061316A1 PCT/CN2022/124308 CN2022124308W WO2023061316A1 WO 2023061316 A1 WO2023061316 A1 WO 2023061316A1 CN 2022124308 W CN2022124308 W CN 2022124308W WO 2023061316 A1 WO2023061316 A1 WO 2023061316A1
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WO
WIPO (PCT)
Prior art keywords
net
knife
ring
cutter head
shaver
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Application number
PCT/CN2022/124308
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English (en)
French (fr)
Inventor
吴让攀
Original Assignee
中山市小石陶瓷刀片有限公司
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Publication of WO2023061316A1 publication Critical patent/WO2023061316A1/zh

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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
    • 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
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • 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
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/48—Accessory implements for carrying out a function other than cutting hair, e.g. attachable appliances for manicuring

Definitions

  • the utility model relates to a round cutter head of a shaver, and the utility model also relates to a shaver.
  • Existing rotary shaver such as razor
  • its cutter head is installed on the cutter head holder through a knife net with one to two shaving rings and a rotary cutter, usually on the top of the knife net.
  • the surface is protruding from the cutter head frame to a certain height to facilitate hair entry.
  • two or more cutting units are usually used on the cutter head frame to improve the shaving efficiency. Due to the needs of installation and function, different cutting units are installed at a certain distance apart, which makes there are cutting blind spots between different cutting units in the area covered by multiple cutting units, which needs to be repeated repeatedly. Rotate and move the shaver repeatedly to achieve the effect of comprehensive cutting coverage.
  • part of the design will set up a partial massage structure between two different cutting units to achieve the effect of massage.
  • the effect such as the authorized announcement number CN 201960587 U, is a utility model patent named razor head, but due to the limitation of its space position, it can only set the massage structure in the middle area between the three cutting units. Only a small area can be massaged to the skin. The massage structure cannot massage the cutting area after cutting with the movement of the cutting unit.
  • shaving is the main method, so while shaving is taken into account, its massage effect Very limited in scope and effect.
  • the utility model is made based on this situation.
  • the technical problem to be solved by the utility model is to provide a round cutter head of a shaver with simple structure, large shaving area and good massage effect.
  • the utility model provides a round cutter head of a shaver, which includes a cutter head frame, on which a knife net and a moving knife unit capable of rotating relative to the knife net are arranged, and the knife net includes
  • the outer ring shaving track and the inner ring shaving track, the outer ring shaving track and the inner ring shaving track are respectively provided with hair feeding grooves, and the outer ring shaving track and the inner ring shaving track are provided with Massage rings exposed on top of the knife net.
  • a raised massage structure is provided on the massage ring, and the massage structure includes an olive-shaped boss, and the two tips of the olive-shaped boss respectively face Inside and outside direction.
  • the massage ring is provided with bristles.
  • the outer ring shaving track there is one outer ring shaving track, two inner ring shaving tracks, and the outer ring shaving track and the inner ring shaving track form a total of three inner and outer rings.
  • a shaving track is used for the moving knife of the moving knife unit to rotate and cut hair.
  • the cutter net is provided with an annular installation groove concave from top to bottom, and the massage ring is fixed in the annular installation groove.
  • the knife net includes an independent outer net and an inner net, the outer net is ring-shaped, and is placed on the outside of the inner net, the outer ring shaving track is arranged on the outer net, and the inner ring shaves The track is set on the inner net, and the outer net and the inner net are connected by a massage ring.
  • the massage ring is pasted and fixed in the annular installation groove by glue.
  • the side wall or the bottom of the annular installation groove is provided with a clamping hole, and the massage ring is provided with a buckle capable of being clamped in the clamping hole.
  • the inner side wall of the outer net is provided with an inner turning edge towards the center, and the inner net
  • the outer wall of the net is provided with an outward facing edge, and the inner and outer edges are respectively stuck on the bottom of the massage ring from the outside and inside of the massage ring.
  • the outer net and the inner net are respectively provided with card slots, and the massage ring is provided with an anti-rotation mechanism that cooperates with the card slots to prevent the outer net and the inner net from rotating. department.
  • a round cutter head of a shaver the hair feed grooves on the outer net and the inner net, the hair feed grooves near the outer surface of the outer net are provided with a hair guide at the turning point between the outer surface and the top surface, and /or the hair feed groove near the inner surface of the outer net is provided with a hair guide at the turning point between the inner surface and the top surface, and/or the hair feeding groove near the outer surface of the inner net is provided with a hair guide at the turning point between the outer surface and the top surface mouth.
  • the moving knife unit includes an outer moving knife assembly matched with the outer ring shaving track, and an inner moving knife assembly matched with the inner ring shaving track, so The outer movable knife assembly and the inner movable knife assembly are connected and drive the other to rotate when one of them rotates.
  • the circular cutter head of a shaver the inner movable knife assembly includes an inner knife seat and an inner movable knife fixed on the inner knife seat
  • the outer movable knife assembly includes an outer knife seat and an outer knife fixed on the The outer movable knife on the seat, the outer knife seat and the inner knife seat are connected and the two can float up and down, and there is a device between the outer knife seat and the inner movable knife assembly for elastically pressing the inner movable knife assembly upward.
  • the first elastic member; the bottom of the outer knife seat is fixed with a transmission seat for connecting with an external rotary drive device, or the bottom of the outer knife seat is connected with a transmission seat that can float up and down relative to it, and the transmission seat and A second elastic member for elastically pressing the outer movable knife assembly upward is provided between the outer movable knife assemblies.
  • the cutter head frame is provided with a limiting member for restricting the movable knife unit in the cutter head frame.
  • the cutter net is rotatably connected to the cutter head frame, and the rotation range of the cutter net on the cutter head frame is between 0° and 90°, preferably, The rotation range of the knife net on the knife head frame is between 10° and 30°.
  • Another technical problem to be solved by the utility model is to provide a shaver with simple structure, large shaving area and good massage effect.
  • the utility model provides a shaver, which includes the above-mentioned round cutter head of the shaver, and a handle.
  • a cutting driving device that drives the movable knife unit to rotate, and a reciprocating driving device capable of driving the knife net to reciprocate is provided between the shaver round knife head and the handle.
  • the cutting driving device includes a joint connected to the movable knife unit and a motor that drives the joint to rotate
  • the reciprocating driving device includes a swing rod and a reduction gear set, and the reduction gear set connects the motor and
  • the swing rod is transmitted between the two to make the swing rod rotate
  • the side wall of the knife net is provided with a blocking structure that can hold the swing bar and rotate with the knife net when the swing rod rotates towards the knife net.
  • the swing bar breaks away from the blocking structure, and an elastic member capable of elastically restoring the knife net is provided in the shaver round cutter head.
  • the shaving head forms a multi-ring structure through the outer ring shaving track, the inner ring shaving track and the massage ring, which has a large shaving range, and the cutting unit composed of a single knife net and a moving knife unit can be well It is suitable for shaving large areas with high shaving efficiency.
  • the knife net is circular or basically close to a circular structure.
  • a massage ring is set on the inner side of the outer ring shaving track. The massage ring can then massage the relevant skin, and then go to the inner ring shaving track for a second shave, effectively avoiding the pain caused by continuous shaving, and after the inner ring shaving track shaves, continue to move forward At the same time, the massage ring surrounding the rear side of the inner ring shaving track massages the skin again to form a second massage. Therefore, effective massage can be achieved when moving the shaver round knife head for shaving.
  • the massage ring has a raised massage structure, especially the olive-shaped boss, which is good for combing hair.
  • the knife net can rotate at a certain angle relative to the knife head frame. After cooperating with the handle, when the moving knife unit is driven to rotate and cut, the knife net can be driven to rotate back and forth, so as to realize the effect of the knife net swinging back and forth within a certain range , so that the hair covered by the knife net and located outside the hair-feeding groove enters the hair-feeding groove, and when the knife net rotates with the massage ring, the massage effect can be improved.
  • it has a bristle structure, it can realize reciprocating brushing, Improve cleaning effect.
  • the outer net and the inner net of the utility model are independent, which is beneficial to increase the function of the knife net. It is formed by connecting the independent outer net and the inner net.
  • the outer net and the inner net can be processed and manufactured separately, so as to expand the performance of the knife net , to improve the functional characteristics of the rotary shaver cutting unit.
  • the inner side wall of the outer net is provided with an inner turning edge towards the center, and the outer wall of the inner net is provided with an outer turning edge facing the outer side.
  • the bottom of the massage ring is facing downward with an outer buckle stuck under the inner turning edge and an inner buckle stuck under the outer turning edge. Easy to assemble.
  • Fig. 1 is a top view of a round cutter head of a shaver of the present invention
  • Fig. 2 is a schematic structural view of a round cutter head of a shaver of the present invention
  • Fig. 3 is a schematic structural view of an embodiment in which the massage ring is fixed in the annular installation groove by bonding;
  • Fig. 4 is a structural schematic diagram of an embodiment in which the massage ring is fixed in the annular installation groove by fastening;
  • Fig. 5 is a schematic structural view of an embodiment in which the massage ring is provided with bristles;
  • Fig. 6 is a schematic structural view of a shaver of the present invention.
  • Fig. 7 is a structural schematic diagram of a cutting drive device and a reciprocating drive device
  • Fig. 8 is a top view of another embodiment of a round cutter head of a shaver of the present invention.
  • Fig. 9 is a schematic diagram of another embodiment of a round cutter head of a shaver of the present invention.
  • Fig. 10 is an exploded view of the cutter net of another embodiment of the round cutter head of a shaver according to the present invention.
  • Fig. 11 is a schematic diagram of the structure of the hair-feeding groove of the outer net of the knife net with a hair-guiding opening
  • Fig. 12 is a bottom view of the knife net of another embodiment of a shaver round knife of the present invention.
  • Fig. 13 is a schematic structural view of the moving knife unit
  • Fig. 14 is an exploded view of an embodiment in which the first elastic member presses between the inner knife seat and the outer knife seat;
  • Fig. 15 is a cross-sectional view along the direction A-A in Fig. 1 of an embodiment of the round cutter head of the shaver of the first movable knife unit of the present invention
  • Fig. 16 is a cross-sectional view along the direction A-A in Fig. 1 of an embodiment of the round cutter head of the shaver of the second movable knife unit of the present invention
  • Fig. 17 is a sectional view along the direction A-A in Fig. 1 of an embodiment of the round cutter head of the shaver of the third type of movable knife unit of the present invention.
  • a kind of shaver circular knife cutter head as shown in Figure 1 to Figure 5, comprises cutter head frame 1, and described cutter head frame 1 is provided with knife net 2 and the moving knife unit 4 that can rotate relatively knife net 2, Described knife net 2 comprises outer ring shaving track 21 and inner ring shaving track 22, and described outer ring shaving track 21 and inner ring shaving track 22 are respectively provided with hair feed groove, and described outer ring shaving track 21 and the inner ring shaving track 22 are provided with a massage ring 3 exposed on the top of the knife net 2 .
  • the razor head forms a multi-ring structure through the outer ring shaving track 21, the inner ring shaving track 22 and the massage ring 3.
  • the outer ring shaving track 21 has one, and the inner ring There are two ring shaving tracks 22, the outer ring shaving track 21 and the inner ring shaving track 22 form a total of three shaving tracks inside and outside for the moving knife of the moving knife unit to rotate and cut hair, plus the massage ring 3, a total of
  • the four-ring structure has a large shaving range, and the cutting unit composed of a single knife net and the moving knife unit 4 can be well suited for shaving large areas, and the shaving efficiency is high.
  • the massage ring 3 is provided with a plurality of protruding massage structures 31 around the circumferential direction, which can help massage the skin when moving the shaver round cutter head.
  • the massage structure 31 includes an olive-shaped boss, and the The two olive-shaped tips of the boss are respectively facing inward and outward directions, which is beneficial for combing the hair.
  • the width of the massage ring 3 is close to the width of the outer ring shaving track 21 or the inner ring shaving track 22 , and more than two massage structures 31 are provided in the radial direction, which facilitates their contact with the skin.
  • the knife net 2 has a circular structure, and a massage ring 3 is arranged on the inner side of the outer ring shaving track 21.
  • the massage ring 3 on the inner side can then massage the relevant skin, and then go to the inner ring shaving track 22 for a second shave, effectively avoiding the pain caused by continuous shaving, and after the inner ring shaving track 22 shaves, continue to move forward
  • the massage ring 3 surrounding the rear side of the inner ring shaving track 22 massages the skin again to form a secondary massage. Therefore, effective massage can be achieved when moving this shaver round cutter head to shave.
  • the massage ring 3 is provided with bristles 32 for cleaning dandruff and dander from shaving while shaving.
  • the knife net 2 is provided with an annular installation groove 23 concave from top to bottom, and the massage ring 3 is fixed in the annular installation groove 23 .
  • the massage ring 3 is pasted and fixed in the annular installation groove 23 by glue.
  • the side wall or bottom of the annular installation groove 23 is provided with a clamping hole 24
  • the massage ring 3 is provided with a buckle 33 capable of being clamped in the clamping hole 24 .
  • a kind of hair shaver as shown in Figure 6, comprises above-mentioned hair shaver circular knife cutter head, and handle 5, and described cutter net 2 is connected to cutter head frame 1 in rotation, and cutter net 2 is on cutter head frame 1
  • the rotation range is between 0° and 90°, preferably between 10° and 30°
  • the handle 5 is provided with a cutting drive device that can drive the rotary knife unit 4, and the shaver round knife head
  • a reciprocating drive device capable of driving the knife net 2 to reciprocate is provided between the handle 5 and the handle 5.
  • the cutting drive device includes a joint 6 connected to the movable knife unit 4 and a motor 7 that drives the joint 6 to rotate
  • the reciprocating drive device includes a swing rod 8 and a reduction gear set 9, and the reduction gear
  • the group 9 connects the motor 7 and the fork 8 and drives between the two to make the fork 8 rotate.
  • the side wall of the knife net 2 is provided with the fork for the fork 8 when the fork 8 rotates to the knife net 2.
  • the blocking structure 10 that holds and rotates with the knife net 2, and when the swing lever 8 rotates at a certain angle and moves away from the knife net 2, the swing lever 8 is separated from the blocking structure, and the circular cutter head of the shaver is provided with
  • the elastic member 11 capable of elastically restoring the knife net 2 enables the knife net 2 to have a reciprocating swing in a small range during the shaving process.
  • the blocking structure may be a boss or a side hole provided on the knife screen 2 .
  • the elastic member 11 is an elastic sheet or a spring.
  • the reduction gear set 9 includes a pinion gear connected to the rotating shaft of the motor 7, and a bull gear connected to the swing lever 8, and other intermediate gears can be connected and transmitted between the pinion gear and the bull gear according to the transmission ratio.
  • the swing rod 8 can move in a circle along with the gear where it is located.
  • the front end of the swing rod 8 rotates and swings to the knife net 2
  • the front end of the swing rod 8 is stuck to the boss or inserted into the side hole, thereby driving
  • the knife net 2 rotates, and when it swings at a certain angle, the swing lever 8 slowly moves away from the knife net 2, and the front end of the swing lever 8 escapes from the blocking structure.
  • the knife net 2 rotates and resets to wait for the next swing .
  • Described fork 8 can be the telescopic link that can stretch elastically, so that when the front end of fork 8 collides with the side wall of knife net 2, it can retract and continue to rotate, and it is also beneficial for fork 8 to drive knife net 2 to rotate when there is a relatively Good swing range.
  • the knife net 2 Since the structural area of the head of the knife net 2 is relatively large, in order to better feed the hair, the knife net 2 is set to a reciprocating swing structure within a certain range, so as to benefit the hair covered by the knife net and located outside the hair feeding groove Entering the hair feeding groove, and when the knife net 2 rotates with the massage ring 3, the massage effect can be improved, and at the same time, when it has the bristle 32 structure, it can realize reciprocating brushing and improve the cleaning effect.
  • the knife net 2 of a kind of shaver circular cutter shown in Fig. 8, Fig. 10 to Fig. 12 comprises independent outer net 201 and inner net 202, and described outer net 201 is ring-shaped, and covers inner net 202
  • the outer side of the outer net 201 is provided with an outer ring shaving track 21, and the inner net 202 is provided with an inner ring shaving track 22, and the outer ring shaving track 21 and the inner ring shaving track 22 are respectively
  • a hair feeding groove is provided, and the outer net 201 and the inner net 202 are connected by a massage ring 3 .
  • the outer net 201 and the inner net 202 are independent and can be processed separately, which is beneficial to processing other structures on the outer ring shaving track 21 and the inner ring shaving track 22.
  • structure, its outer side and inner side have space for the operation of processing tools, and the hair feeding groove near the outer side of the outer net 201 is provided with a hair guide 200 at the turning point between the outer side and the top surface, and/or the feeding groove near the inner side of the outer net 201
  • the hair groove is provided with a hair guide 200 at the turning point of the inner side and the top surface, and the hair feeding efficiency is improved through the hair guide.
  • the hair feed groove near the outer side of the inner net 202 can also be provided with a hair guide 200 at the turning point between the outer side and the top surface, and the illustration is omitted here Show.
  • the hair guide port on the hair feed groove you can refer to the announcement number CN212497861U, which is called the horn hair guide port corresponding to the hair feed groove indicated in the knife net structure of a kind of rotary shaver.
  • the inner net 202 can effectively share the existing double-ring structure knife nets, reducing the development cost of multi-ring structure knife nets.
  • the beard track 21 and the inner ring shaving track 22 form a total of three shaving tracks inside and outside for the moving knife of the moving knife unit to rotate and cut hair, combined with the massage ring 3 for massage, the knife net 2 forms a total of four rings from the outside to the inside. Structure, a total of three shaving tracks inside and outside have a large coverage area and high shaving efficiency.
  • the massage structure 31 includes bosses, and there are multiple bosses that form inner and outer rings around the circumferential direction, and are distributed in a staggered manner.
  • the center of the boss is high and the inner side is low, so as to avoid blocking the hair feed of the feed grooves on the adjacent inner and outer ring shaving tracks.
  • the inner side wall of the outer net 201 is provided with an inner flange 2011 toward the center
  • the outer wall of the inner net 202 is provided with an outer flange 2021 toward the outside.
  • 2011 and the outer flange 2021 are respectively stuck on the bottom of the massage ring 3 from the outside and the inner side of the massage ring 3, and the bottom of the massage ring 3 is downwardly provided with an outer buckle 34 stuck below the inner flange 2011, and a clip
  • the inner buckle 35 under the outer flange 2021 has a simple structure and is easy to assemble.
  • the outer net 201 and the inner net 202 are respectively provided with card slots 203 , and the massage ring 3 is provided with an anti-rotation part 36 cooperating with the card slots 203 to prevent the outer net 201 and the inner net 202 from rotating.
  • the cutter head frame 1 is provided with a limiting member 12 for restricting the movable knife unit 4 in the cutter head frame 1 to prevent the movable knife unit from falling out.
  • the movable knife unit can also be limited in the knife head frame 1 by the structure on the handle when it is connected with the handle.
  • the movable knife unit 4 includes an outer movable knife assembly 41 matched with the outer ring shaving track 21, and an inner movable knife assembly 42 matched with the inner ring shaving track 22,
  • the outer movable knife assembly 41 and the inner movable knife assembly 42 are connected and drive the other to rotate when one of them rotates.
  • the inner movable knife assembly 42 includes an inner knife seat 421 and an inner knife 422 fixed on the inner knife seat 421, and the outer movable knife assembly 41 includes an outer knife seat 411 and an inner knife seat 422 fixed on the outer knife seat 411.
  • the outer movable knife 412 on the top, the outer knife seat 411 and the inner knife seat 421 are connected and the two can float up and down.
  • the first elastic member 43 that presses upward elastically makes the inner movable knife 422 stick on the inner ring shaving track 22, as shown in Figure 7 and Figure 8, the first elastic member 43 adopts a shrapnel; as shown in Figure 16
  • the first elastic member 43 may also be a spring.
  • the bottom of the outer knife seat 411 is fixed with a transmission seat 44 for connecting with an external rotary drive device, preferably, the transmission seat 44 and the outer knife seat 411 are integrally formed, and During use, the elastic structure on the handle elastically presses the transmission seat 44, so that the outer movable knife 412 is attached to the outer ring shaving track 21.
  • the bottom of the outer knife seat 411 is connected with a transmission seat 44 that can float up and down relative to it, and a drive seat 44 is provided between the transmission seat 44 and the outer movable knife assembly 41 to move the outer knife assembly.
  • 41 elastically presses the second elastic member 45 upwards, so that the outer movable knife 412 sticks on the outer ring shaving track 21 .
  • the stopper 12 is also used to fix the outer net 201 on the cutter head frame 1, and press and support the inner net 202 upwards through the moving knife unit 4, so that the outer net 201 and the Intranet 202 forms a solid connection.

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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

本实用新型公开了一种剃毛器圆刀刀头，包括刀头架，刀头架上设有刀网和能相对刀网旋转的动刀单元，刀网包括外环剃须轨道和内环剃须轨道，外环和内环剃须轨道上分别设有进毛槽，所述外环剃须轨道和内环剃须轨道之间设有露出在刀网顶部上的按摩环。刀网无论以哪个角度往前移动剃毛，外环剃须轨道初次剃毛后，内侧的按摩环都能随后对相关皮肤进行按摩。本实用新型还公开了一种剃毛器，包括如上所述的剃毛器圆刀刀头，以及手柄，刀网转动连接在刀头架上，手柄上设有能驱动动刀单元旋转的切割驱动装置，剃毛器圆刀刀头和手柄之间设有能驱动刀网往复转动的往复驱动装置，刀网在一定范围内往复甩动，利于进毛，且带着按摩环转动，能够提高按摩效果。

Description

一种剃毛器圆刀刀头及剃毛器 【技术领域】
本实用新型涉及一种剃毛器圆刀刀头，本实用新型还涉及一种剃毛器。
【背景技术】
现有的旋转剃毛器，例如剃须刀，通常其刀头都是通过具有一到两个剃须环的刀网配合旋转切刀组成切割单元安装到刀头架上，通常刀网的顶面是凸出刀头架一定高度的，以方便进毛。而对于一些大面积区域的剃毛时，通常是在刀头架上使用两个或多个切割单元，以提高剃毛效率。而由于安装和功能的需要，不同切割单元之间，是间隔开一定距离进行安装的，这就使得多个切割单元覆盖的区域中，在不同切割单元之间是存在切割盲区的，需要反反复复转动和移动剃毛器去达到全面切割覆盖的效果，这种类型的刀头，为了提高剃毛时的舒适性，部分设计会在两个不同切割单元之间设置部分按摩结构，达到按摩的效果，如授权公告号CN 201960587 U，名称为剃须刀头的实用新型专利，但是由于其空间位置的局限性，其只能在位于三个切割单元之间的中间区域设置按摩结构，使用时只有很小的区域才能按摩到皮肤，按摩结构不能随着切割单元的移动在切割后对切割区域进行按摩，而由于实际使用中是剃毛为主，所以在顾及剃毛的同时，其按摩的范围和效果非常有局限。
本实用新型就是基于这种情况作出的。
【实用新型内容】
本实用新型所要解决的技术问题是提供一种结构简单、剃刮面积大且按摩效果好的剃毛器圆刀刀头。
为解决上述技术问题，本实用新型一种剃毛器圆刀刀头，包括刀头架，所述刀头架上设有刀网和能相对刀网旋转的动刀单元，所述刀网包括外环剃须轨道和内环剃须轨道，所述外环剃须轨道和内环剃须轨道上分别设有进毛槽，所述外环剃须轨道和内环剃须轨道之间设有露出在刀网顶部上的按摩环。
如上所述的一种剃毛器圆刀刀头，所述按摩环上设有凸起的按摩结构，所述按摩结构包括橄榄形的凸台，所述凸台橄榄形的两个尖端分别朝向内外方向。
如上所述的一种剃毛器圆刀刀头，所述按摩环上设有刷毛。
如上所述的一种剃毛器圆刀刀头，所述外环剃须轨道有一个，所述内环剃须轨道有两个，外环剃须轨道和内环剃须轨道形成内外共三个剃须轨道供动刀单元的动刀在内旋转切割毛发。
如上所述的一种剃毛器圆刀刀头，所述刀网上设有从上往下内凹的环形安装槽，所述按摩环固定在环形安装槽中。或者所述刀网包括相独立的外网和内网，所述外网为环形，并套在内网的外侧，所述外环剃须轨道设置在所述外网上，所述内环剃须轨道设置在内网上，所述外网和内网之间通过按摩环连接。
如上所述的一种剃毛器圆刀刀头，当刀网上设有环形安装槽时， 所述按摩环通过胶水粘贴固定在环形安装槽中。或者所述环形安装槽的侧壁或底部上设有卡接孔，所述按摩环上设有能卡接在卡接孔中的卡扣。
如上所述的一种剃毛器圆刀刀头，当刀网上的外网和内网之间通过按摩环连接时，所述外网的内侧壁设有朝向中心的内翻边，所述内网的外侧壁设有朝向外侧的外翻边，所述内翻边和外翻边分别从按摩环的外侧和内侧卡在按摩环的底部上，所述按摩环的底部朝下设有卡在内翻边下方的外卡扣，以及卡在外翻边下方的内卡扣。
如上所述的一种剃毛器圆刀刀头，所述外网和内网上分别设有卡槽，所述按摩环上设有与卡槽相配合以防止外网和内网转动的防转部。
如上所述的一种剃毛器圆刀刀头，所述外网和内网上的进毛槽，靠近外网外侧面的进毛槽在外侧面与顶面的转折处设有导毛口，和/或靠近外网内侧面的进毛槽在内侧面和顶面的转折处设有导毛口，和/或靠近内网外侧面的进毛槽在外侧面与顶面的转折处设有导毛口。
如上所述的一种剃毛器圆刀刀头，所述动刀单元包括与外环剃须轨道相配合的外动刀组件，以及与内环剃须轨道相配合的内动刀组件，所述外动刀组件和内动刀组件相联接并在其中一个转动时带动另一个转动。
如上所述的一种剃毛器圆刀刀头，所述内动刀组件包括内刀座和固定在内刀座上的内动刀，所述外动刀组件包括外刀座和固定在外刀座上的外动刀，所述外刀座和内刀座相联接且二者能上下浮动，所述 外刀座和内动刀组件之间设有用于将内动刀组件往上弹性顶压的第一弹性件；所述外刀座的底部固定有用于与外部旋转驱动装置连接的传动座，或者所述外刀座的底部联接有能相对其上下浮动的传动座，所述传动座与外动刀组件之间设有用于将外动刀组件往上弹性顶压的第二弹性件。
如上所述的一种剃毛器圆刀刀头，所述刀头架内设有用于将动刀单元限制在刀头架内的限位件。
如上所述的一种剃毛器圆刀刀头，所述刀头架上的刀网只有一个。
如上所述的一种剃毛器圆刀刀头，所述刀网转动连接在刀头架上，且刀网在刀头架上的转动范围为介于0至90°之间，优选地，刀网在刀头架上的转动范围为介于10°至30°之间。
本实用新型所要解决的另一技术问题是提供一种结构简单、剃刮面积大且按摩效果好的剃毛器。
为解决上述技术问题，本实用新型一种剃毛器，包括如上所述的剃毛器圆刀刀头，以及手柄，所述刀网转动连接在刀头架上，所述手柄上设有能驱动动刀单元旋转的切割驱动装置，所述剃毛器圆刀刀头和手柄之间设有能驱动刀网往复转动的往复驱动装置。
如上所述的一种剃毛器，所述切割驱动装置包括连接动刀单元的接头和驱动接头转动的马达，所述往复驱动装置包括摆杆和减速齿轮组，所述减速齿轮组连接马达和摆杆并在二者之间传动以使摆杆转动，所述刀网侧壁上设有在摆杆转动靠向刀网时能供摆杆卡住并带着 刀网一起转动的阻挡结构，而当摆杆转动一定角度并远离刀网时，摆杆从阻挡结构上脱离，所述剃毛器圆刀刀头内设有能将刀网弹性复位的弹性件。
与现有技术相比，本实用新型有如下优点：
1、该剃须刀头通过外环剃须轨道、内环剃须轨道和按摩环形成多环结构，具有较大的剃刮范围，单个刀网和动刀单元组成的切割单元就能够很好适用于一些大面积区域的剃毛，剃毛效率高。而刀网是圆形或者基本接近圆形结构的，在外环剃须轨道的内侧设置按摩环，刀网不管以哪个角度往前移动进行剃毛，外环剃须轨道初次剃毛后，内侧的按摩环都能随后对相关皮肤进行按摩，再到内环剃须轨道进行二次剃刮，有效避免连续剃刮带来的痛感，而在内环剃须轨道剃刮后，继续往前移动时，围在内环剃须轨道后侧的按摩环再次对皮肤进行按摩，形成二次按摩，因此，在移动该剃毛器圆刀刀头剃刮时能够有效的按摩。
2、外环剃须轨道有一个，间隔个按摩环后，紧接着有两个内环剃须轨道，形成内外共四环结构，具有较大的剃刮范围，由于刀网的剃刮范围比较大，所述刀头架上的刀网可以只有一个，通过一个即可替代多个小型单环或二环刀网的剃刮性能，满足剃刮范围较大区域毛发的需求，结构简单。
3、按摩环上具有凸起的按摩结构，特别是橄榄形的凸台，利于梳理毛发。
4、刀网能够相对刀头架转动一定的角度，则通过与手柄配合后， 在驱动动刀单元旋转切割的时，可以驱动刀网往复转动，实现刀网在一定范围内往复甩动的效果，从而利于被刀网遮住且位于进毛槽之外的毛发进入进毛槽，而且刀网带着按摩环转动时，能够提高按摩效果，同时当具有刷毛结构时，能够实现往复扫刷，提高清洁的效果。
5、本实用新型的外网和内网相独立，有利于增加刀网功能，通过独立的外网和内网连接而成，外网和内网能够分别加工制造，以便于扩充刀网的性能，提高旋转剃须刀切割单元的功能特性。
6、外网的内侧壁设有朝向中心的内翻边，所述内网的外侧壁设有朝向外侧的外翻边，所述内翻边和外翻边分别从按摩环的外侧和内侧卡在按摩环的底部上，所述按摩环的底部朝下设有卡在内翻边下方的外卡扣，以及卡在外翻边下方的内卡扣，结构简单，通过卡扣的方式卡接，组装方便。
【附图说明】
下面结合附图对本实用新型的具体实施方式作进一步详细说明，其中：
图1是本实用新型一种剃毛器圆刀刀头的顶部视图；
图2是本实用新型一种剃毛器圆刀刀头的结构示意图；
图3是按摩环通过粘接固定在环形安装槽中的实施例的结构示意图；
图4是按摩环通过扣接固定在环形安装槽中的实施例的结构示意图；
图5是按摩环上设有刷毛的实施例的结构示意图；
图6是本实用新型一种剃毛器的结构示意图；
图7是切割驱动装置和往复驱动装置的结构示意图；
图8是本实用新型一种剃毛器圆刀刀头另一种实施例的顶部视图；
图9是本实用新型一种剃毛器圆刀刀头另一种实施例的示意图；
图10是本实用新型一种剃毛器圆刀刀头另一种实施例的刀网的爆炸图；
图11是刀网外网的进毛槽具有导毛口的结构示意图；
图12是本实用新型一种剃毛器圆刀另一种实施例的刀网的底部视图；
图13是动刀单元的结构示意图；
图14是第一弹性件顶压在内刀座和外刀座之间的实施方式的分解图；
图15是本实用新型第一种动刀单元的剃毛器圆刀刀头的实施例沿图1中A-A方向的剖视图；
图16是本实用新型第二种动刀单元的剃毛器圆刀刀头的实施例沿图1中A-A方向的剖视图；
图17是本实用新型第三种动刀单元的剃毛器圆刀刀头的实施例沿图1中A-A方向的剖视图。
【具体实施方式】
下面结合附图对本实用新型作进一步描述：
如图1至图5所示的一种剃毛器圆刀刀头，包括刀头架1，所述 刀头架1上设有刀网2和能相对刀网2旋转的动刀单元4，所述刀网2包括外环剃须轨道21和内环剃须轨道22，所述外环剃须轨道21和内环剃须轨道22上分别设有进毛槽，所述外环剃须轨道21和内环剃须轨道22之间设有露出在刀网2顶部上的按摩环3。该剃须刀头通过外环剃须轨道21、内环剃须轨道22和按摩环3形成多环结构，如图1所示实施例，所述外环剃须轨道21有一个，所述内环剃须轨道22有两个，外环剃须轨道21和内环剃须轨道22形成内外共三个剃须轨道供动刀单元的动刀在内旋转切割毛发，加上按摩环3，总共四环结构，具有较大的剃刮范围，单个刀网和动刀单元4组成的切割单元就能够很好适用于一些大面积区域的剃毛，剃毛效率高。
所述按摩环3上绕圆周方向设有多个凸起的按摩结构31，在移动该剃毛器圆刀刀头时能够利于按摩皮肤，所述按摩结构31包括橄榄形的凸台，所述凸台橄榄形的两个尖端分别朝向内外方向，利于梳理毛发。优选地，按摩环3的宽度接近外环剃须轨道21或内环剃须轨道22的宽度，且按摩结构31沿径向设置有两个以上，利于其接触皮肤。刀网2是圆形结构的，在外环剃须轨道21的内侧设置按摩环3，刀网不管以哪个角度往前移动进行剃毛，外环剃须轨道21初次剃毛后，内侧的按摩环3都能随后对相关皮肤进行按摩，再到内环剃须轨道22进行二次剃刮，有效避免连续剃刮带来的痛感，而在内环剃须轨道22剃刮后，继续往前移动时，围在内环剃须轨道22后侧的按摩环3再次对皮肤进行按摩，形成二次按摩，因此，在移动该剃毛器圆刀刀头剃刮时能够有效的按摩。
如图5所示实施例，所述按摩环3上设有刷毛32，在边剃须的同时，用于清扫剃刮掉下的毛屑和皮屑。
所述刀网2上设有从上往下内凹的环形安装槽23，所述按摩环3固定在环形安装槽23中。如图3所示实施例，所述按摩环3通过胶水粘贴固定在环形安装槽23中。或者如图4所示实施例，环形安装槽23的侧壁或底部上设有卡接孔24，所述按摩环3上设有能卡接在卡接孔24中的卡扣33。
所述刀头架1上的刀网2只有一个。由于刀网2的剃刮范围比较大，通过一个即可替代多个小型单环或二环刀网的剃刮性能，满足剃刮范围较大区域毛发的需求，结构简单。
如图6所示的一种剃毛器，包括上述的剃毛器圆刀刀头，以及手柄5，所述刀网2转动连接在刀头架1，且刀网2在刀头架1上的转动范围为介于0至90°之间，优选10°至30°之间，所述手柄5上设有能驱动动刀单元4旋转的切割驱动装置，所述剃毛器圆刀刀头和手柄5之间设有能驱动刀网2往复转动的往复驱动装置。
如图7所示实施例，所述切割驱动装置包括连接动刀单元4的接头6和驱动接头6转动的马达7，所述往复驱动装置包括摆杆8和减速齿轮组9，所述减速齿轮组9连接马达7和摆杆8并在二者之间传动以使摆杆8转动，所述刀网2侧壁上设有在摆杆8转动靠向刀网2时能供摆杆8卡住并带着刀网2一起转动的阻挡结构10，而当摆杆8转动一定角度并远离刀网2时，摆杆8从阻挡结构上脱离，所述剃毛器圆刀刀头内设有能将刀网2弹性复位的弹性件11，以使得刀网2 在剃刮的过程中有一个小范围的往复甩动的动作。
所述阻挡结构可以是设在刀网2上的凸台或侧孔。
所述弹性件11为弹性片或弹簧。
所述减速齿轮组9包括连接在马达7转轴上的小齿轮，以及连接摆杆8的大齿轮，在小齿轮和大齿轮之间还可以根据传动比设置其他中间齿轮连接传动。
如图7所示，摆杆8能够随着所在的齿轮做圆周运动，当摆杆8的前端转动摆向刀网2时，摆杆8的前端卡住凸台或卡入侧孔，从而带动刀网2转动，而当其摆动一定角度后，摆杆8慢慢远离刀网2，摆杆8的前端从阻挡结构上脱出，在弹性件11作用下，刀网2转动复位等待下一次摆动。
所述摆杆8可以为能弹性伸缩的伸缩杆，以便摆杆8的前端抵触到刀网2的侧壁时能够缩回继续转动，也利于摆杆8驱动刀网2转动时能够有一个较好的摆动范围。
由于刀网2头部的结构面积比较大，为了更好的进毛，将刀网2设置成一定范围内往复甩动的结构，从而利于被刀网遮住且位于进毛槽之外的毛发进入进毛槽，而且刀网2带着按摩环3转动时，能够提高按摩效果，同时当具有刷毛32结构时，能够实现往复扫刷，提高清洁的效果。
如图8、图10至图12所示的一种剃毛器圆刀的刀网2，包括相独立的外网201和内网202，所述外网201为环形，并套在内网202的外侧，所述外网201上设有外环剃须轨道21，所述内网202上设 有内环剃须轨道22，所述外环剃须轨道21和内环剃须轨道22上分别设有进毛槽，所述外网201和内网202之间通过按摩环3连接。
另外，外网201和内网202相独立，能够分别加工，利于在外环剃须轨道21和内环剃须轨道22上加工其他结构，如图11所示实施例，由于外网201为环形结构，其外侧和内侧具有供加工工具操作的空间，靠近外网201外侧面的进毛槽在外侧面与顶面的转折处设有导毛口200，和/或靠近外网201内侧面的进毛槽在内侧面和顶面的转折处设有导毛口200，通过导毛口提升其进毛的效率。当然，由于内网202的外侧在生产加工时也具有供加工工具操作的空间，靠近内网202外侧面的进毛槽在外侧面与顶面的转折处也可以设置导毛口200，这里省略图示。关于进毛槽上的导毛口，可参考公告号CN212497861U，名称为一种旋转剃须刀的刀网结构中所指出的与进毛槽相对应的喇叭导毛口。
另外，当所述内网202上的内环剃须轨道22为两个时，内网202可以有效共用现有的双环结构的刀网，降低多环结构的刀网的开发成本。
如图8、图10、图15至17所示实施例，所述外网201上的外环剃须轨道21有一个，内网202上的内环剃须轨道22有两个，外环剃须轨道21和内环剃须轨道22形成内外共三个剃须轨道供动刀单元的动刀在内旋转切割毛发，结合按摩环3按摩，该刀网2由外而内形成共四环功能结构，内外共三个剃须轨道覆盖面积大，剃须效率高。
如图10所示实施例，所述按摩结构31包括凸台，所述凸台有多 个且绕圆周方向形成内外两圈，并交错分布，且外圈凸台外侧低而中间高，内圈凸台中间高而内侧低，避免挡住相邻内、外环剃须轨道上的进毛槽进毛。
如图10和图12所示，所述外网201的内侧壁设有朝向中心的内翻边2011，所述内网202的外侧壁设有朝向外侧的外翻边2021，所述内翻边2011和外翻边2021分别从按摩环3的外侧和内侧卡在按摩环3的底部上，所述按摩环3的底部朝下设有卡在内翻边2011下方的外卡扣34，以及卡在外翻边2021下方的内卡扣35，结构简单，组装方便。
所述外网201和内网202上分别设有卡槽203，所述按摩环3上设有与卡槽203相配合以防止外网201和内网202转动的防转部36。
如图8至17所示的一种剃毛器圆刀刀头，包括刀头架1，所述刀头架1上设有上述的刀网2，以及能相对刀网2旋转的动刀单元4。
如图9所示实施例，所述刀头架1内设有用于将动刀单元4限制在刀头架1内的限位件12，避免动刀单元掉出。当然，也可以通过与手柄连接时，再通过手柄上的结构将动刀单元限定在刀头架1内。
作为动刀单元的一种实施方式，所述动刀单元4包括与外环剃须轨道21相配合的外动刀组件41，以及与内环剃须轨道22相配合的内动刀组件42，所述外动刀组件41和内动刀组件42相联接并在其中一个转动时带动另一个转动。
如图13所示，所述内动刀组件42包括内刀座421和固定在内刀座421上的内动刀422，所述外动刀组件41包括外刀座411和固定 在外刀座411上的外动刀412，所述外刀座411和内刀座421相联接且二者能上下浮动，所述外刀座411和内动刀组件42之间设有用于将内动刀组件42往上弹性顶压的第一弹性件43，使内动刀422贴在内环剃须轨道22上，如图7和图8所示所述第一弹性件43采用弹片；如图16所示所述第一弹性件43也可以采用弹簧。
如图15和图16所示实施例，所述外刀座411的底部固定有用于与外部旋转驱动装置连接的传动座44，优选地，所述传动座44和外刀座411一体成型，在使用时，通过手柄上的弹性结构弹性顶压传动座44，使外动刀412贴在外环剃须轨道21上。
或者如图17所示实施例，所述外刀座411的底部联接有能相对其上下浮动的传动座44，所述传动座44与外动刀组件41之间设有用于将外动刀组件41往上弹性顶压的第二弹性件45，使外动刀412贴在外环剃须轨道21上。
通过将外动刀组件41和内动刀组件42分别上下浮动设置，以提高内动刀组件42和内网202相配合的切割性能，及外动刀组件41和外网201相配合的切割性能。
如图15至图17所示实施例，限位件12还用于将外网201固定在刀头架1上，并通过动刀单元4向上顶压支撑内网202，以使外网201和内网202形成稳固的连接。

Claims (17)

  1. 一种剃毛器圆刀刀头，其特征在于：包括刀头架(1)，所述刀头架(1)上设有刀网(2)和能相对刀网(2)旋转的动刀单元(4)，所述刀网(2)包括外环剃须轨道(21)和内环剃须轨道(22)，所述外环剃须轨道(21)和内环剃须轨道(22)上分别设有进毛槽，所述外环剃须轨道(21)和内环剃须轨道(22)之间设有露出在刀网(2)顶部上的按摩环(3)。
  2. 根据权利要求1所述的一种剃毛器圆刀刀头，其特征在于：所述按摩环(3)上设有凸起的按摩结构(31)，所述按摩结构(31)包括橄榄形的凸台，所述凸台橄榄形的两个尖端分别朝向内外方向。
  3. 根据权利要求1所述的一种剃毛器圆刀刀头，其特征在于：所述按摩环(3)上设有刷毛(32)。
  4. 根据权利要求1所述的一种剃毛器圆刀刀头，其特征在于：所述外环剃须轨道(21)有一个，所述内环剃须轨道(22)有两个，外环剃须轨道(21)和内环剃须轨道(22)形成内外共三个剃须轨道供动刀单元的动刀在内旋转切割毛发。
  5. 根据权利要求1所述的一种剃毛器圆刀刀头，其特征在于：所述刀网(2)上设有从上往下内凹的环形安装槽(23)，所述按摩环(3)固定在环形安装槽(23)中，所述按摩环(3)通过胶水粘贴固定在环形安装槽(23)中，或者所述环形安装槽(23)的侧壁或底部 上设有卡接孔(24)，所述按摩环(3)上设有能卡接在卡接孔(24)中的卡扣(33)。
  6. 根据权利要求1所述的一种剃毛器圆刀刀头，其特征在于：刀网(2)包括相独立的外网(201)和内网(202)，所述外网(201)为环形，并套在内网(202)的外侧，所述外环剃须轨道(21)设置在外网(201)上，所述内环剃须轨道(22)设置在内网(202)上，所述外网(201)和内网(202)之间通过按摩环(3)连接。
  7. 根据权利要求6所述的一种剃毛器圆刀刀头，其特征在于：所述外网(201)的内侧壁设有朝向中心的内翻边(2011)，所述内网(202)的外侧壁设有朝向外侧的外翻边(2021)，所述内翻边(2011)和外翻边(2021)分别从按摩环(3)的外侧和内侧卡在按摩环(3)的底部上，所述按摩环(3)的底部朝下设有卡在内翻边(2011)下方的外卡扣(34)，以及卡在外翻边(2021)下方的内卡扣(35)。
  8. 根据权利要求7所述的一种剃毛器圆刀刀头，其特征在于：所述外网(201)和内网(202)上分别设有卡槽(203)，所述按摩环(3)上设有与卡槽(203)相配合以防止外网(201)和内网(202)转动的防转部(36)。
  9. 根据权利要求6所述的一种剃毛器圆刀刀头，其特征在于：所述外网(201)和内网(202)上的进毛槽，靠近外网(201)外侧面的进毛槽在外侧面与顶面的转折处设有导毛口(200)，和/或靠近外网(201)内侧面的进毛槽在内侧面和顶面的转折处设有导毛口 (200)，和/或靠近内网(202)外侧面的进毛槽在外侧面与顶面的转折处设有导毛口(200)。
  10. 根据权利要求1所述的一种剃毛器圆刀刀头，其特征在于：所述动刀单元(4)包括与外环剃须轨道(21)相配合的外动刀组件(41)，以及与内环剃须轨道(22)相配合的内动刀组件(42)，所述外动刀组件(41)和内动刀组件(42)相联接并在其中一个转动时带动另一个转动。
  11. 根据权利要求10所述的一种剃毛器圆刀刀头，其特征在于：所述内动刀组件(42)包括内刀座(421)和固定在内刀座(421)上的内动刀(422)，所述外动刀组件(41)包括外刀座(411)和固定在外刀座(411)上的外动刀(412)，所述外刀座(411)和内刀座(421)相联接且二者能上下浮动，所述外刀座(411)和内动刀组件(42)之间设有用于将内动刀组件(42)往上弹性顶压的第一弹性件(43)；所述外刀座(411)的底部固定有用于与外部旋转驱动装置连接的传动座(44)，或者所述外刀座(411)的底部联接有能相对其上下浮动的传动座(44)，所述传动座(44)与外动刀组件(41)之间设有用于将外动刀组件(41)往上弹性顶压的第二弹性件(45)。
  12. 根据权利要求9至11中任一项所述的一种剃毛器圆刀刀头，其特征在于：所述刀头架(1)内设有用于将动刀单元(4)限制在刀头架(1)内的限位件(12)。
  13. 根据权利要求1所述的一种剃毛器圆刀刀头，其特征在于： 所述刀头架(1)上的刀网(2)只有一个。
  14. 根据权利要求13所述的一种剃毛器圆刀刀头，其特征在于：所述刀网(2)转动连接在刀头架(1)上，且刀网(2)在刀头架(1)上的转动范围为介于0至90°之间。
  15. 根据权利要求14所述的一种剃毛器圆刀刀头，其特征在于：所述刀网(2)在刀头架(1)上的转动范围为介于10°至30°之间。
  16. 一种剃毛器，其特征在于：包括如上权利要求14所述的剃毛器圆刀刀头，以及手柄(5)，所述手柄(5)上设有能驱动动刀单元(4)旋转的切割驱动装置，所述剃毛器圆刀刀头和手柄(5)之间设有能驱动刀网(2)往复转动的往复驱动装置。
  17. 根据权利要求16所述的一种剃毛器，其特征在于：所述切割驱动装置包括连接动刀单元(4)的接头(6)和驱动接头(6)转动的马达(7)，所述往复驱动装置包括摆杆(8)和减速齿轮组(9)，所述减速齿轮组(9)连接马达(7)和摆杆(8)并在二者之间传动以使摆杆(8)转动，所述刀网(2)侧壁上设有在摆杆(8)转动靠向刀网(2)时能供摆杆(8)卡住并带着刀网(2)一起转动的阻挡结构(10)，而当摆杆(8)转动一定角度并远离刀网(2)时，摆杆(8)从阻挡结构上脱离，所述剃毛器圆刀刀头内设有能将刀网(2)弹性复位的弹性件(11)。
PCT/CN2022/124308 2021-10-14 2022-10-10 一种剃毛器圆刀刀头及剃毛器 WO2023061316A1 (zh)

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