WO2023184585A1 - 一种刀头结构及电动剃毛器 - Google Patents

一种刀头结构及电动剃毛器 Download PDF

Info

Publication number
WO2023184585A1
WO2023184585A1 PCT/CN2022/086772 CN2022086772W WO2023184585A1 WO 2023184585 A1 WO2023184585 A1 WO 2023184585A1 CN 2022086772 W CN2022086772 W CN 2022086772W WO 2023184585 A1 WO2023184585 A1 WO 2023184585A1
Authority
WO
WIPO (PCT)
Prior art keywords
connecting rod
cutter head
swing frame
head structure
shaft pin
Prior art date
Application number
PCT/CN2022/086772
Other languages
English (en)
French (fr)
Inventor
严剑锋
Original Assignee
宁波运宝电器有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 宁波运宝电器有限公司 filed Critical 宁波运宝电器有限公司
Publication of WO2023184585A1 publication Critical patent/WO2023184585A1/zh

Links

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
    • B26B19/02—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the reciprocating-cutter type
    • B26B19/04—Cutting heads therefor; Cutters therefor; Securing equipment thereof
    • B26B19/06—Cutting heads therefor; Cutters therefor; Securing equipment thereof involving co-operating cutting elements both of which have shearing teeth
    • 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
    • B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
    • 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

Definitions

  • the utility model relates to the technical field of hair trimmers, specifically to a cutter head structure and an electric shaver.
  • An electric shaver is a hair trimmer that uses a motor to drive a blade to move back and forth to cut hair.
  • Electric shavers are generally equipped with a motion conversion mechanism.
  • the motor is connected to the motion conversion mechanism through an eccentric wheel.
  • the output shaft of the motor drives the eccentric wheel to rotate.
  • the eccentric wheel drives the motion conversion mechanism to move.
  • the motion conversion mechanism is connected to the movable blade to realize the movement of the shaver.
  • the rotational motion of the motor is converted into the reciprocating linear movement of the movable blade relative to the fixed blade, thereby realizing the shaving operation.
  • the existing motion conversion mechanisms have complex structures, many parts, difficulty in assembly, or high noise.
  • the present invention first provides a cutter head structure, including a housing, a movable cutter and a motion conversion assembly installed on the housing.
  • the connecting rod connected to the knife and the swing frame suitable for connecting with the eccentric wheel, the connecting rod is hingedly connected to the swing frame, the swing frame is hingedly connected to the housing; the connecting rod is connected to the movable knife One end is connected to a rotation piece, and the housing is provided with a limiting groove that matches the rotation piece.
  • the connecting rod drives the rotation The component realizes reciprocating rotation and linear movement in the limiting groove.
  • the motion conversion assembly further includes a first shaft pin, the first shaft pin is tightly connected to the housing, and the swing frame is hingedly connected to the housing through the first shaft pin.
  • a soft rubber ring is mounted on the first shaft pin, and the soft rubber ring is located between the housing and the swing frame.
  • the motion conversion assembly further includes a second shaft pin, the second shaft pin is tightly connected to the swing frame, and the connecting rod is hingedly connected to the swing frame through the second shaft pin.
  • the length direction of the limiting groove is consistent with the direction of the reciprocating linear movement of the movable knife.
  • the rotating member is a cylinder, a sphere or a spherical body.
  • the connecting rod is tightly connected with a third shaft pin
  • the rotating member is movably connected with the third shaft pin
  • the connecting rod is provided with a connecting column
  • the movable knife is provided with a connecting groove that matches the connecting column
  • a limiting strip is provided above the connecting column, and a lower surface of the limiting strip is provided with a protruding point that abuts the upper surface of the movable knife.
  • the structure of the cutter head in the present utility model is designed as a motion conversion component connected to the movable knife as a swing frame connected to the eccentric wheel and a connecting rod hingedly connected to the swing frame.
  • the connecting rod is connected to the movable knife.
  • a rotation piece is provided on one end, and a limiting groove that cooperates with the rotation piece is provided on the shell, so that when the swing frame drives the connecting rod to move, the connecting rod can drive the movable knife to make reciprocating rotation linear motion in the front and rear directions, thereby achieving alignment.
  • this design eliminates the need for complex motion conversion mechanisms that reduce kinetic energy, making the overall structure simpler with fewer parts, reducing assembly difficulty and manufacturing costs; and the hinged connection between the connecting rod and the swing frame is In the suspended state, the connecting rod will not come into contact with the shell.
  • the connecting rod drives the rotating part to reciprocate and rotate linearly in the limit groove. The friction between the rotating part and the wall of the limiting groove during linear motion is further reduced through the rotation of the rotating part. , thus making the kinetic energy of the cutter head less weakened and the noise smaller.
  • the utility model provides an electric shaver, including the cutter head structure as mentioned above.
  • the electric shaver of the present invention and the above-mentioned cutter head structure have the same advantages as the prior art, and will not be described again here.
  • Figure 1 is a structural diagram of a cutter head structure according to an embodiment of the present utility model
  • Figure 2 is a partial structural diagram of the cutter head structure according to the embodiment of the present utility model
  • Figure 3 is a partial structural diagram of the cutter head structure according to the embodiment of the present invention.
  • first and second are used for descriptive purposes only and shall not be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • the drawings of the embodiment of the present invention are provided with a coordinate system YZ, in which the forward direction of the Y-axis represents the front, the reverse direction of the Y-axis represents the rear, the forward direction of the Z-axis represents the upper side, and the reverse direction of the Z-axis represents the downward direction.
  • An embodiment of the present utility model provides a cutter head structure, as shown in Figures 1, 2 and 3, including a housing 1, a movable cutter 2 and a motion conversion component 3 installed on the housing 1.
  • the motion conversion assembly 3 includes a connecting rod 31 connected to the movable knife 2 and a swing frame 32 adapted to be connected to the eccentric.
  • the connecting rod 31 is hingedly connected to the swing frame 32, and the swing frame 32 is hingedly connected to the swing frame 32.
  • the housing 1 is hingedly connected; one end of the connecting rod 31 connected to the movable knife 2 is connected to a rotation member 33.
  • the housing 1 is provided with a limiting groove 11 that cooperates with the rotation member 33.
  • the connecting rod 31 drives the rotation member 33 to realize reciprocating rotation linear movement in the limiting groove 11 .
  • the eccentric wheel is connected to the output shaft of the motor.
  • the motor When the motor is working, it can drive the eccentric wheel to rotate synchronously.
  • the rotation of the eccentric wheel drives the swing frame 32 to perform a reciprocating swing motion using the hinge point of the swing frame 32 and the housing 1 as a fulcrum.
  • the swing frame 32 reciprocates.
  • the swinging motion drives the end of the connecting rod 31 connected to the swing frame 32 to swing.
  • the connecting rod 31 will move irregularly with the swinging motion there, thereby utilizing the rotation member 33 on the other end of the connecting rod 31 to interact with the swinging frame 32 .
  • the limiting grooves 11 on the housing 1 cooperate with each other to limit the irregular movement of the connecting rod 31, so that the other end of the connecting rod 31 can move back and forth in a straight line, thereby driving the movable knife 2 to move back and forth in a straight line in the front and rear direction.
  • the hinged connection point between the swing frame 32 and the housing 1 is located at the middle position between the connection end of the swing frame 32 and the eccentric wheel and the hinge connection point between the swing frame 32 and the connecting rod 31.
  • the connecting rod 31 and The hinged connection point of the swing frame 32 is suspended in the housing 1, so that when the swing frame 32 drives the connecting rod 31 to move, the connecting rod 31 will not come into contact with the housing 1, thus reducing the overall noise level;
  • the reciprocating linear movement of the rotating member 33 in the limiting groove 11 means that the rotating member 33 will always perform reciprocating and rotating motion during the back and forth linear movement of the rotating member 33 in the limiting groove 11 .
  • the length direction of the limit groove 11 is consistent with the direction of the reciprocating linear movement of the movable knife 2, that is, the length direction of the limit groove 11 is consistent with the front and rear direction, so as to ensure that the end of the connecting rod 31 connected to the movable knife 2 can be limited. It can move linearly back and forth in the front and rear directions; the rotating part 33 is an oil-impregnated bearing, and the oil-impregnated bearing has a lubricating effect, making the rotating part 33 move more smoothly relative to the limiting groove 11; in addition, the rotating part 33 also It can be a cylinder, a sphere or a spherical-like structure, and the material can be a hard or quasi-hard material to ensure smooth rotation and translation in the limiting groove 11 .
  • the motion conversion component 3 connected to the movable knife 2 is designed as a swing frame 32 connected to the eccentric wheel and a connecting rod 31 hingedly connected to the swing frame 32.
  • the connecting rod 31 is connected to the movable knife 2
  • a rotation member 33 is provided on one end of the housing 1, and a limiting groove 11 that cooperates with the rotation member 33 is provided on the housing 1, so that when the swing frame 32 drives the connecting rod 31 to move, the connecting rod 31 can drive the movable knife 2 in the front and rear direction. Make linear reciprocating motion to achieve the hair trimming operation.
  • This design eliminates the need for a complex motion conversion mechanism, making the overall structure simpler, with fewer parts, and reducing assembly difficulty and manufacturing costs; and the connecting rod 31 and The hinged connection of the swing frame 32 is in a suspended state, and the connecting rod 31 will not come into contact with the housing 1.
  • the connecting rod 31 drives the rotating part 33 to reciprocate and rotate linearly in the limiting groove 11. Through the rotation of the rotating part 33, The friction with the wall of the limiting groove 11 during linear motion is further reduced, so that the kinetic energy of the cutter head is weakened smaller and the noise is smaller.
  • the motion conversion assembly 3 also includes a first shaft pin 34 , the first shaft pin 34 is tightly connected to the housing 1 , and the swing frame 32 passes through the first shaft pin 34 .
  • a shaft pin 34 is hingedly connected to the housing 1, with a simple structure and easy assembly; the first shaft pin 34 is covered with a soft rubber ring 37, and the soft rubber ring 37 is located between the housing 1 and the housing 1.
  • the upper and lower ends of the first shaft pin 34 pass through the swing frame 32.
  • the upper end or the lower end of the first shaft pin 34 is covered with a soft rubber ring 37.
  • the upper and lower ends of the swing frame 32 are limited by the soft rubber ring 37.
  • the position in the direction eliminates the gap between the swing frame 32 and the housing 1, so that when the swing frame 32 swings relative to the housing 1, there will be no hard collision between the swing frame 32 and the housing 1, thereby reducing the overall noise. .
  • the motion conversion assembly 3 also includes a second shaft pin 35, which is tightly connected to the swing frame 32, and the connecting rod 31 is connected to the swing frame 32 through the second shaft pin 35.
  • Hinged connection simple structure, easy assembly; the swing frame 32 is provided with a mounting slot for the connecting rod 31 to be installed.
  • the mounting slot can limit the position of the connecting rod 31 in the up and down direction relative to the swing frame 32, ensuring that the connecting rod 31 is in contact with the swing frame.
  • the hinge connection point of 32 is in a suspended state.
  • the connecting rod 31 is closely connected to a third shaft pin 36 , and the rotation member 33 is movably connected to the third shaft pin 36 ; the rotation member 33 passes through the third shaft pin 36 Movably connected with the connecting rod 31, the structure is simple and easy to assemble; because during the reciprocating motion, the force at the end of the connecting rod 31 connected to the rotating part 33 is not linear, so the rotation of the rotating part 33 reduces the The friction force of the linear motion enables the end of the connecting rod 31 connected to the rotation member 33 to perform reciprocating linear motion, thereby reducing the load current and reducing the overall noise.
  • the connecting rod 31 is provided with a connecting column 311, and the movable knife 2 is provided with a connecting groove 21 that matches the connecting column 311; the connecting column 311 and the connecting groove 21 With a tight fitting connection, when the connecting rod 31 moves, it can drive the movable knife 2 to move synchronously, and the installation structure is simple and reliable.
  • a limiting bar 312 is provided above the connecting column 311 , and a protrusion abutting the upper surface of the movable knife 2 is provided on the lower surface of the limiting bar 312 .
  • Point 313; the number of convex points 313 is two.
  • the two convex points 313 are respectively located on the front and rear sides of the connecting column 311.
  • the convex points 313 are pressed against the upper surface of the movable knife 2 to limit the movement of the movable knife 2 in the up and down direction. Location.
  • Another embodiment of the present invention provides an electric shaver, including the cutter head structure as described above.
  • the motion conversion component 3 connected to the movable knife 2 is designed as a swing frame 32 connected to the eccentric wheel and a connecting rod 31 hingedly connected to the swing frame 32.
  • the connecting rod 31 and the movable knife 2 A rotation member 33 is provided on one end of the connection, and a limiting groove 11 that cooperates with the rotation member 33 is provided on the housing 1, so that when the swing frame 32 drives the connecting rod 31 to move, the connecting rod 31 can drive the movable knife 2 in the front and rear direction. It performs linear reciprocating motion to realize the hair trimming operation.
  • This design eliminates the need for a complex motion conversion mechanism, making the overall structure simpler, with fewer parts, and reducing assembly difficulty and manufacturing costs; and the connecting rod 31
  • the hinged connection with the swing frame 32 is in a suspended state, and the connecting rod 31 will not contact and rub with the housing 1.
  • the connecting rod 31 drives the rotation part 33 to reciprocate and rotate linearly in the limiting groove 11, and the rotation part 33 rotates This method further reduces the friction with the wall of the limiting groove 11 during linear motion, thereby making the kinetic energy of the cutter head less weakened and the noise smaller.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

一种刀头结构及电动剃毛器，刀头结构包括壳体、动刀和运动转换组件，运动转换组件包括连杆和摆动架；连杆连接有自转件，壳体设有限位槽，自转件在限位槽内往复自转直线移动。该刀头结构，摆动架在带动连杆运动的过程中连杆能带动动刀在前后方向上做直线往复运动，从而实现对毛发的修剪操作，省去了结构复杂动能减弱的运动转换机构，使得整体结构更加简单，零部件更少，降低了组装难度和制造成本；且连杆与摆动架的铰接连接处为悬空的状态，连杆不会与壳体接触摩擦，同时，连杆带动自转件在限位槽中往复自转直线运动，通过自转件自转方式进一步减小与限位槽壁做直线运动时的摩擦，从而使得刀头动能减弱更小、噪音更小。

Description

一种刀头结构及电动剃毛器 技术领域
本实用新型涉及毛发修剪器技术领域，具体而言，涉及一种刀头结构及电动剃毛器。
背景技术
电动剃毛器是一种通过电机驱动刀片往复移动来切断毛发的毛发修剪器。电动剃毛器一般都设置有运动转换机构，电机通过偏心轮与运动转换机构连接，电机的输出轴带动偏心轮旋转，偏心轮带动运动转换机构运动，运动转换机构与动刀片连接，以实现将电机的旋转运动转换为动刀片相对于定刀片的往复直线移动，从而实现剃毛操作，但现有的运动转换机构的结构都较复杂，部件多，组装难度大，或者噪音大。
实用新型内容
为解决上述问题中的至少一个方面，本实用新型首先提供一种刀头结构，包括壳体、和安装于所述壳体的动刀和运动转换组件，所述运动转换组件包括与所述动刀连接的连杆和适于与偏心轮连接的摆动架，所述连杆与所述摆动架铰接连接，所述摆动架与所述壳体铰接连接；所述连杆与所述动刀连接的一端连接有自转件，所述壳体设有与所述自转件配合的限位槽，在所述偏心轮旋转并带动所述摆动架往复运动的过程中，所述连杆带动所述自转件在所述限位槽内实现往复自转直线移动。
可选地，所述运动转换组件还包括第一轴销，所述第一轴销与所述壳体紧配连接，所述摆动架通过所述第一轴销与所述壳体铰接连接。
可选地，所述第一轴销外套接有软性胶圈，所述软性胶圈位于所述壳体与所述摆动架之间。
可选地，所述运动转换组件还包括第二轴销，所述第二轴销与所述摆动 架紧配连接，所述连杆通过所述第二轴销与所述摆动架铰接连接。
可选地，所述限位槽的长度方向与所述动刀往复直线移动的方向一致。
可选地，所述自转件为圆柱体、球体或类球体。
可选地，所述连杆紧配连接有第三轴销，所述自转件与所述第三轴销活动连接。
可选地，所述连杆设有连接柱，所述动刀设有与所述连接柱配合的连接槽。
可选地，所述连接柱的上方设有限位条，所述限位条的下表面设有与所述动刀的上表面抵接的凸点。
相对于现有技术，本实用新型中的刀头结构，将与动刀连接的运动转换组件设计为与偏心轮连接的摆动架及与摆动架铰接连接的连杆，连杆与动刀连接的一端上设置自转件，壳体上设置与自转件配合的限位槽，以使得摆动架在带动连杆运动的过程中连杆能带动动刀在前后方向上做往复自转直线运动，从而实现对毛发的修剪操作，这种设计省去了结构复杂动能减弱的运动转换机构，使得整体结构更加简单，零部件更少，降低了组装难度和制造成本；且连杆与摆动架的铰接连接处为悬空的状态，连杆不会与壳体接触摩擦，同时，连杆带动自转件在限位槽中往复自转直线运动，通过自转件自转方式进一步减小与限位槽壁做直线运动时的摩擦，从而使得刀头动能减弱更小、噪音更小。
另外，本实用新型提供一种电动剃毛器，包括如上所述的刀头结构。
相对于现有技术，本实用新型所述的电动剃毛器与上述刀头结构相对于现有技术所具有的优势相同，在此不再赘述。
附图说明
图1为本实用新型实施例的刀头结构的结构图；
图2为本实用新型实施例的刀头结构的局部结构图一；
图3为本实用新型实施例的刀头结构的局部结构图二。
附图标记说明：
1、壳体；11、限位槽；2、动刀；21、连接槽；3、运动转换组件；31、连杆；311、连接柱；312、限位条；313、凸点；32、摆动架；33、自转件；34、第一轴销；35、第二轴销；36、第三轴销；37、软性胶圈。
具体实施方式
为使本实用新型的上述目的、特征和优点能够更为明显易懂，下面结合附图对本实用新型的具体实施例做详细的说明。
在本实用新型的描述中，需要理解的是，术语“上”、“下”等指示的方位或位置关系为基于产品正常使用时的方位或位置关系。
术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。本实用新型的实施例的附图中设置有坐标系YZ，其中Y轴的正向代表前方，Y轴的反向代表后方，Z轴的正向代表上方，Z轴的反向代表下方。
本实用新型实施例提供了一种刀头结构，结合图1、图2、图3所示，包括壳体1、和安装于所述壳体1的动刀2和运动转换组件3，所述运动转换组件3包括与所述动刀2连接的连杆31和适于与偏心轮连接的摆动架32，所述连杆31与所述摆动架32铰接连接，所述摆动架32与所述壳体1铰接连接；所述连杆31与所述动刀2连接的一端连接有自转件33，所述壳体1设有与所述自转件33配合的限位槽11，在所述偏心轮旋转并带动所述摆动架32往复运动的过程中，所述连杆31带动所述自转件33在所述限位槽11内实现往复自转直线移动。
其中，偏心轮与电机的输出轴连接，电机工作时能带动偏心轮同步旋转，偏心轮转动带动摆动架32以摆动架32与壳体1的铰接点为支点进行往复摆动运动，摆动架32往复摇摆运动带动连杆31上与摆动架32连接的一端做摆幅运动，连杆31会随着该处的摆幅运动而无规则运动，从而利用连杆31上的另一端的自转件33与壳体1上的限位槽11相互配合的结构，来限制连杆31无规则运动，使得连杆31的另一端能做直线往复移动，从而带动动刀2在前后方向上做往复直线移动，最终实现毛发切割操作；摆动架32上与壳体1 的铰接连接点位于摆动架32与偏心轮的连接端和摆动架32与连杆31的铰接连接点之间的中部位置，连杆31与摆动架32的铰接连接点在壳体1内为悬空状态，使得在摆动架32带动连杆31运动的过程中，连杆31不会与壳体1接触摩擦，从而能降低整体的噪音值；自转件33在限位槽11内往复自转直线移动，是指自转件33在限位槽11内前后往复直线移动的过程中，自转件33始终会进行往复自转运动。
所述限位槽11的长度方向与所述动刀2往复直线移动的方向一致，即限位槽11的长度方向与前后方向一致，以确保可以限定连杆31上与动刀2连接的一端可以在前后方向上做直线往复移动；所述自转件33为含油轴承，含油轴承具有润滑的作用，使得自转件33相对于限位槽11的移动更加顺畅；除此之外，自转件33还可为圆柱体、球体或类球体结构，材质可以为硬性或类硬性材质，以确保能在限位槽11内顺利进行自转和平移。
本实施例中的刀头结构，将与动刀2连接的运动转换组件3设计为与偏心轮连接的摆动架32及与摆动架32铰接连接的连杆31，连杆31与动刀2连接的一端上设置自转件33，壳体1上设置与自转件33配合的限位槽11，以使得摆动架32在带动连杆31运动的过程中连杆31能带动动刀2在前后方向上做直线往复运动，从而实现对毛发的修剪操作，这种设计省去了结构复杂的运动转换机构，使得整体结构更加简单，零部件更少，降低了组装难度和制造成本；且连杆31与摆动架32的铰接连接处为悬空的状态，连杆31不会与壳体1接触摩擦，同时，连杆31带动自转件33在限位槽11中往复自转直线运动，通过自转件33自转方式进一步减小与限位槽11壁做直线运动时的摩擦，从而使得刀头动能减弱更小、噪音更小。
可选地，结合图2所示，所述运动转换组件3还包括第一轴销34，所述第一轴销34与所述壳体1紧配连接，所述摆动架32通过所述第一轴销34与所述壳体1铰接连接，结构简单，组装方便；所述第一轴销34外套接有软性胶圈37，所述软性胶圈37位于所述壳体1与所述摆动架32之间，第一轴销34的上下两端贯穿摆动架32，第一轴销34的上端或下端套设有软性胶圈37，摆动架32通过软性胶圈37限定上下方向上的位置，消除摆动架32与壳体1之间的间隙，使得摆动架32相对于壳体1摆动时，摆动架32与壳体1之间 不会产生硬性碰撞，从而能降低整体噪音。
所述运动转换组件3还包括第二轴销35，所述第二轴销35与所述摆动架32紧配连接，所述连杆31通过所述第二轴销35与所述摆动架32铰接连接，结构简单，组装方便；摆动架32设有供连杆31安装的安装槽，安装槽能限制连接杆31相对于摆动架32在上下方向上的位置，能确保连接杆31与摆动架32的铰接连接点处于悬空状态。
可选地，结合图2所示，所述连杆31紧配连接有第三轴销36，所述自转件33与所述第三轴销36活动连接；自转件33通过第三轴销36与连杆31活动连接，结构简单，组装方便；由于在往复运动的过程中，连杆31上与自转件33连接的一端的位置受力不是直线方向的，因此通过自转件33的旋转来减少直线运动的摩擦力，使得连杆31上与自转件33连接的一端能做往复自转直线运动，从而降低了负载电流及降低整体噪音。
可选地，结合图2、图3所示，所述连杆31设有连接柱311，所述动刀2设有与所述连接柱311配合的连接槽21；连接柱311与连接槽21紧配连接，连杆31运动时能带动动刀2同步运动，安装结构简单可靠。
可选地，结合图2、图3所示，所述连接柱311的上方设有限位条312，所述限位条312的下表面设有与所述动刀2的上表面抵接的凸点313；凸点313的数量为两个，两个凸点313分别位于连接柱311的前后两侧，凸点313压紧在动刀2的上表面，以限制动刀2在上下方向上的位置。
本实用新型另一实施例提供了一种电动剃毛器，包括如上所述的刀头结构。
本实施例中的电动剃毛器，将与动刀2连接的运动转换组件3设计为与偏心轮连接的摆动架32及与摆动架32铰接连接的连杆31，连杆31与动刀2连接的一端上设置自转件33，壳体1上设置与自转件33配合的限位槽11，以使得摆动架32在带动连杆31运动的过程中连杆31能带动动刀2在前后方向上做直线往复运动，从而实现对毛发的修剪操作，这种设计省去了结构复杂的运动转换机构，使得整体结构更加简单，零部件更少，降低了组装难度和制造成本；且连杆31与摆动架32的铰接连接处为悬空的状态，连杆31不 会与壳体1接触摩擦，同时，连杆31带动自转件33在限位槽11中往复自转直线运动，通过自转件33自转方式进一步减小与限位槽11壁做直线运动时的摩擦，从而使得刀头动能减弱更小、噪音更小。
虽然本公开披露如上，但本公开的保护范围并非仅限于此。本领域技术人员在不脱离本公开的精神和范围的前提下，可进行各种变更与修改，这些变更与修改均将落入本实用新型的保护范围。

Claims (10)

  1. 一种刀头结构，其特征在于，包括壳体(1)、和安装于所述壳体(1)的动刀(2)和运动转换组件(3)，所述运动转换组件(3)包括与所述动刀(2)连接的连杆(31)和适于与偏心轮连接的摆动架(32)，所述连杆(31)与所述摆动架(32)铰接连接，所述摆动架(32)与所述壳体(1)铰接连接；所述连杆(31)与所述动刀(2)连接的一端连接有自转件(33)，所述壳体(1)设有与所述自转件(33)配合的限位槽(11)，在所述偏心轮旋转并带动所述摆动架(32)往复运动的过程中，所述连杆(31)带动所述自转件(33)在所述限位槽(11)内实现往复自转直线移动。
  2. 根据权利要求1所述的刀头结构，其特征在于，所述运动转换组件(3)还包括第一轴销(34)，所述第一轴销(34)与所述壳体(1)紧配连接，所述摆动架(32)通过所述第一轴销(34)与所述壳体(1)铰接连接。
  3. 根据权利要求2所述的刀头结构，其特征在于，所述第一轴销(34)外套接有软性胶圈(37)，所述软性胶圈(37)位于所述壳体(1)与所述摆动架(32)之间。
  4. 根据权利要求1所述的刀头结构，其特征在于，所述运动转换组件(3)还包括第二轴销(35)，所述第二轴销(35)与所述摆动架(32)紧配连接，所述连杆(31)通过所述第二轴销(35)与所述摆动架(32)铰接连接。
  5. 根据权利要求1所述的刀头结构，其特征在于，所述限位槽(11)的长度方向与所述动刀(2)往复直线移动的方向一致。
  6. 根据权利要求1所述的刀头结构，其特征在于，所述自转件(33)为圆柱体、球体或类球体。
  7. 根据权利要求1所述的刀头结构，其特征在于，所述连杆(31)紧配连接有第三轴销(36)，所述自转件(33)与所述第三轴销(36)活动连接。
  8. 根据权利要求1-7任一项所述的刀头结构，其特征在于，所述连杆(31)设有连接柱(311)，所述动刀(2)设有与所述连接柱(311)配合的连接槽(21)。
  9. 根据权利要求8所述的刀头结构，其特征在于，所述连接柱(311)的上方设有限位条(312)，所述限位条(312)的下表面设有与所述动刀(2)的上表面抵 接的凸点(313)。
  10. 一种电动剃毛器，其特征在于，包括如权利要求1-9任一项所述的刀头结构。
PCT/CN2022/086772 2022-03-29 2022-04-14 一种刀头结构及电动剃毛器 WO2023184585A1 (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202220714325.6 2022-03-29
CN202220714325 2022-03-29
CN202220762580.8 2022-04-02
CN202220762580.8U CN217097883U (zh) 2022-03-29 2022-04-02 一种刀头结构及电动剃毛器

Publications (1)

Publication Number Publication Date
WO2023184585A1 true WO2023184585A1 (zh) 2023-10-05

Family

ID=82579250

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/086772 WO2023184585A1 (zh) 2022-03-29 2022-04-14 一种刀头结构及电动剃毛器

Country Status (2)

Country Link
CN (1) CN217097883U (zh)
WO (1) WO2023184585A1 (zh)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001046760A (ja) * 1999-08-09 2001-02-20 Izumi Products Co ヘアカッター
CN102036791A (zh) * 2008-05-20 2011-04-27 宝洁公司 电动毛发切割器
CN108161996A (zh) * 2017-10-23 2018-06-15 金顺植 一种电动理发器
CN108356857A (zh) * 2017-01-26 2018-08-03 松下知识产权经营株式会社 电动剃毛装置
CN110869176A (zh) * 2017-07-07 2020-03-06 皇家飞利浦有限公司 运动传递单元、传动系和毛发切割器具
CN211934812U (zh) * 2019-09-30 2020-11-17 深圳市倍轻松科技股份有限公司 多模式手持肌肉放松设备
CN212940523U (zh) * 2020-07-08 2021-04-13 金华朗立杰机电科技有限公司 一种低噪音的传动机构以及具有该机构的筋膜枪
CN213130759U (zh) * 2020-05-25 2021-05-07 郑启诚 一种手持式按摩枪
JP2021090486A (ja) * 2019-12-06 2021-06-17 パナソニックＩｐマネジメント株式会社 電気式毛切断装置
CN213851950U (zh) * 2020-10-29 2021-08-03 上海兽鸟智能科技有限公司 一种可智能调节击打力度的筋膜枪

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001046760A (ja) * 1999-08-09 2001-02-20 Izumi Products Co ヘアカッター
CN102036791A (zh) * 2008-05-20 2011-04-27 宝洁公司 电动毛发切割器
CN108356857A (zh) * 2017-01-26 2018-08-03 松下知识产权经营株式会社 电动剃毛装置
CN110869176A (zh) * 2017-07-07 2020-03-06 皇家飞利浦有限公司 运动传递单元、传动系和毛发切割器具
CN108161996A (zh) * 2017-10-23 2018-06-15 金顺植 一种电动理发器
CN211934812U (zh) * 2019-09-30 2020-11-17 深圳市倍轻松科技股份有限公司 多模式手持肌肉放松设备
JP2021090486A (ja) * 2019-12-06 2021-06-17 パナソニックＩｐマネジメント株式会社 電気式毛切断装置
CN213130759U (zh) * 2020-05-25 2021-05-07 郑启诚 一种手持式按摩枪
CN212940523U (zh) * 2020-07-08 2021-04-13 金华朗立杰机电科技有限公司 一种低噪音的传动机构以及具有该机构的筋膜枪
CN213851950U (zh) * 2020-10-29 2021-08-03 上海兽鸟智能科技有限公司 一种可智能调节击打力度的筋膜枪

Also Published As

Publication number Publication date
CN217097883U (zh) 2022-08-02

Similar Documents

Publication Publication Date Title
JP4148186B2 (ja) 往復直線運動を行う被駆動部材を備えたヘッド部が本体部に対して揺動可能な電動器具
US6675480B2 (en) Electric shaver
JP4337634B2 (ja) 往復直線運動を行う被駆動部材を備えたヘッド部が本体部に対して揺動可能な電動器具
US11752647B2 (en) Hair clipper bladeset with combined drive elements
RU2756058C2 (ru) Блок передачи движения, приводной механизм и устройство для срезания волос
WO2023184585A1 (zh) 一种刀头结构及电动剃毛器
US3319334A (en) Inner cutter mounting for power shavers
CN110235592A (zh) 割草机及其动力传动系统
JPH02228993A (ja) 乾式ひげそり器
US3049803A (en) Motion transforming device and apparatus incorporating said device
CN209774728U (zh) 往复式运动个人护理装置及其传动机构
CN212270404U (zh) 一种缝纫机的剪线机构
CN111823283A (zh) 一种理发器
JP3234565U (ja) ブラシレスアウターローターモータによって駆動される電気クリッパ
EP2509755B1 (en) Hair clipper device
CN109015847A (zh) 一种高速振动刀
CN2413829Y (zh) 手提式曲线锯
CN219190287U (zh) 一种剃须刀的刀头部结构
CN216913918U (zh) 往复式电动剃须刀
CN214643834U (zh) 一种剃须刀
CN221291385U (zh) 一种一体式剪切传动结构及电剪刀
CN217168596U (zh) 一种往复旋转式剃须刀
CN220313403U (zh) 一种充电理发电推剪
CN218747864U (zh) 一种往复式剪毛刀具及其驱动结构
CN215289231U (zh) 一种缝纫机的剪线驱动组件

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22934411

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 23787583.6

Country of ref document: EP