WO2022002013A1 - Ensemble tête de rasoir, boîte à engrenages et rasoir flottant - Google Patents

Ensemble tête de rasoir, boîte à engrenages et rasoir flottant Download PDF

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Publication number
WO2022002013A1
WO2022002013A1 PCT/CN2021/102953 CN2021102953W WO2022002013A1 WO 2022002013 A1 WO2022002013 A1 WO 2022002013A1 CN 2021102953 W CN2021102953 W CN 2021102953W WO 2022002013 A1 WO2022002013 A1 WO 2022002013A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductive
circuit board
conductor
board assembly
assembly
Prior art date
Application number
PCT/CN2021/102953
Other languages
English (en)
Chinese (zh)
Inventor
孟凡迪
邱云峰
韦雅强
王小伍
Original Assignee
深圳素士科技股份有限公司
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 深圳素士科技股份有限公司 filed Critical 深圳素士科技股份有限公司
Publication of WO2022002013A1 publication Critical patent/WO2022002013A1/fr

Links

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
    • B26B19/28—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
    • B26B19/3873—Electric features; Charging; Computing devices
    • 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
    • B26B19/3886—Actuating members, e.g. switches or control knobs

Definitions

  • the invention belongs to the technical field of shavers, and particularly relates to a cutter head assembly, a gear bin and a floating shaver.
  • the existing floating shaver startup methods generally include a key switch and a toggle switch.
  • the long-term use of the key switch and the toggle switch will cause the metal shrapnel of the internal parts of the switch to fatigue and lose elasticity, and the switch will fail, thereby failing to maintain the reliability of the power supply, affecting the user's use.
  • the purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art, and to provide a cutter head assembly, a gear box and a floating shaver, so as to solve the problem that the existing floating shaver adopts a key switch and a toggle switch to start up, which may cause problems when used for a long time.
  • Technical issues affecting reliability.
  • the present invention is realized in this way:
  • a cutter head assembly comprising:
  • a head cover used for connecting with a body assembly having a circuit board assembly, the head cover is provided with a conductive hole disposed through in the floating direction;
  • a conductive floating member for electrically connecting the head cover and the cutting structure
  • the cutting structure is used as the first end of the first conductive path, and the first conductive path is used to receive the first inductive capacitance between the cutting structure and the ground when the cutting structure approaches or contacts the human skin, and sequentially
  • the circuit board assembly is transmitted to the circuit board assembly through the conductive floating member and the electric conductor; the circuit board assembly is used for starting a motor when receiving the first inductive capacitance.
  • the cutting structure includes a tool holder movably connected to the head cover; the tool holder serves as a first end of a first conductive path, and the first conductive path is used when the tool holder approaches or When contacting human skin, the first inductive capacitance between the tool holder and the ground is received, and is sequentially transmitted to the circuit board assembly through the conductive floating member and the conductive body.
  • the cutting structure includes a cutting unit; the cutting unit includes a knife net and a rotating cutter head disposed in the knife net, the knife net is used as the first end of the first conductive path, and the first The conductive path is used for receiving the first inductive capacitance between the knife net and the ground when the knife net approaches or contacts the human skin, and transmits it to the circuit board assembly through the conductive floating member and the electrical conductor in sequence .
  • the conductive floating member includes a connecting portion and at least two elastic arms, the connecting portion is mounted on the head cover, the connecting portion and the conductive hole are arranged opposite to the floating direction, each of the One end of each elastic arm is connected to the peripheral side of the connecting portion, and is extended in a direction away from the head cover. As the head cover moves in the floating direction.
  • the connecting portion is provided with at least one fixing hole arranged therethrough
  • the head cover is provided with at least one fixing piece, and each fixing piece is respectively penetrated through one of the fixing holes.
  • the present invention also provides a gear housing, which is used for connecting the handle and also for connecting with the cutter head assembly according to any one of claims 1 to 5, the gear housing comprising a gear housing a main body and a third conductor mounted on the main body of the gear box, the third conductor can be electrically connected to the conductive member; the first inductive capacitance is sequentially passed through the conductive floating member, the conductive body and the first conductive member Three conductors are passed to the circuit board assembly.
  • the main body of the gear box includes a gear holder cover plate on which the gear holder is installed facing the cutter head assembly, the gear holder cover plate serves as the first end of the second conductive path, the second conductive path for receiving the second inductive capacitance between the gear carrier cover and the ground when the gear carrier cover approaches or contacts human skin, and transmits it to the circuit board assembly, where the circuit board assembly is used for receiving the second inductive capacitance between the gear carrier cover and the ground When the second induction capacitor is reached, the motor is started.
  • the present invention also provides a floating shaver, comprising the above-mentioned cutter head assembly and a body assembly.
  • the fuselage assembly includes a casing, the casing is made of a conductive material, the casing serves as a first end of a third conductive circuit, and the third conductive circuit is close to or contacts the skin of the human body.
  • the circuit board assembly is electrically connected to the second end of the third conductive path and is used for receiving the The third induction capacitor keeps the motor in a standby state.
  • the circuit board assembly is configured to start a motor when the first inductive capacitor and the third inductive capacitor are received together.
  • the knife rest or knife net when shaving, place the knife holder or the knife net close to the human skin such as the chin and cheeks; because the human skin has a certain charge, when the human skin directly contacts or is close to the knife rest or knife net, the knife rest or knife net It will absorb the human skin capacitance formed between the close position and the ground, that is, the first inductive capacitance.
  • the motor When the circuit board assembly receives the first inductive capacitor, the motor is activated to drive the rotary cutter head in the cutting unit to rotate through the gear box for shaving, which can ensure long-term reliable use of the shaving device without affecting the use of users.
  • the circuit board assembly receives the change signal of the first inductive capacitance, and the motor is started at this time.
  • the conductive floating member is electrically connected to each tool rest to perform a conductive function, and also plays a role of enabling each cutting structure to float relative to the head cover.
  • FIG. 1 is an exploded view of a floating shaver provided by an embodiment of the present invention
  • FIG. 2 is an exploded view of a cutter head assembly provided by an embodiment of the present invention
  • FIG. 3 is a cross-sectional view of a cutter head assembly provided by an embodiment of the present invention.
  • FIG. 4 is a perspective view of a head cover provided by an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of a head cover provided by an embodiment of the present invention.
  • FIG. 6 is a perspective view of a conductive floating member according to an embodiment of the present invention.
  • FIG. 7 is a perspective view of a gear bin provided by an embodiment of the present invention.
  • FIG. 8 is an exploded view of the main body of the gear box provided by the embodiment of the present invention.
  • an embodiment of the present invention provides a floating shaver, including a cutter head assembly 100 and a body assembly 200 .
  • the cutter head assembly 100 includes a head cover 110 , a cutting structure 120 , a conductive float 130 and an electric conductor 140 (not shown in the figure).
  • the head cover 110 is used for connecting with the body assembly 200 having the circuit board assembly, and the head cover 110 is provided with a conductive hole 1101 disposed therethrough in the floating direction.
  • the cutting structure 120 is used for cutting hair.
  • the cutting structure 120 includes a tool holder 121 movably connected to the head cover 110 and a cutting unit 122 mounted on the tool holder 121 .
  • the cutting unit 122 includes a knife net 1221 mounted on the tool holder 121 .
  • the rotary cutter head 1222 arranged in the cutter net 1221.
  • the conductive floating member 130 is used to electrically connect the head cover 110 and the cutting structure 120.
  • the conductive floating member 130 includes a connecting portion 131 and at least two elastic arms 132.
  • the conductive hole 1101 and the connecting portion 131 are disposed opposite to each other in the floating direction.
  • 131 is installed on the head cover 110, and the connecting portion 131 is electrically connected to the circuit board assembly.
  • One end of each elastic arm 132 is connected to the peripheral side of the connecting portion 131 and extends away from the head cover 110.
  • the other ends of the arms 132 abut against one of the cutting structures 120 respectively, and the other ends of the elastic arms 132 can move relative to the head cover 110 in a floating direction.
  • the conductor 140 runs through the conductive hole 1101.
  • the cutting structure 120 serves as the first end of the first conductive path, and the first conductive path is used to receive the cutting structure 120 when it approaches or contacts the human skin.
  • the first inductive capacitance between the cutting structure 120 and the ground is transmitted to the circuit board assembly through the conductive floating member 130 and the conductor 140 in sequence; the circuit board assembly is used for receiving the first inductive capacitance.
  • An induction capacitor starts the motor.
  • the tool holder 121 is used as the first end of the first conductive path, and the first conductive path is used to receive the contact between the tool holder 121 and the ground when the tool holder 121 approaches or contacts human skin.
  • the first inductive capacitance between them is transmitted to the circuit board assembly through the conductive floating member 130 and the conductor 140 in sequence.
  • the knife net 1221 is used as the first end of the first conductive path, and the first conductive path is used to receive the knife net 1221 and the ground when the knife net 1221 approaches or contacts the human skin.
  • the first inductive capacitance between them is sequentially transmitted to the circuit board assembly through the conductive floating member 130 and the conductor 140 .
  • the conductor 140 may further include a first conductor 141 and a second conductor 142, wherein the first conductor 141 is slidably connected to the conductive hole 1101, the second conductor 142 is an elastic member, the second conductor 142 is located in the conductive hole 1101, and The side of the second conductor 142 away from the connection portion 131 elastically abuts against the first conductor 141 .
  • the knife holder 121 or the knife net 1221 is used as the first end of the first conductive path, and the first conductive path is used for receiving the knife holder 121 (or
  • the first inductive capacitance between the knife net 1221) and the ground is transmitted to the circuit board assembly through the conductive floating member 130, the second conductor 142 and the first conductor 141 in turn, and the circuit board assembly is electrically connected to the first conductive path.
  • the two terminals are used to start the motor when receiving the first inductive capacitor.
  • the floating shaver provided by the present invention, referring to FIG. 1 , includes a cutter head assembly 100 and a body assembly 200 .
  • the floating shaver is configured with a first conductive path, and the first end of the first conductive path is the knife holder 121 or the knife net 1221 in the knife head assembly 100 .
  • the second end is connected to the circuit board assembly in the handle assembly 220 .
  • the knife rest 121 or the knife net 1221 When shaving, put the knife holder 121 or the knife net 1221 close to the human skin such as the chin and cheeks; because the human skin has a certain charge, when the human skin directly contacts or is close to the knife rest 121 or the knife net 1221, the knife rest 121 or the knife net 1221 will absorb the human skin capacitance formed between the close position and the ground, that is, the first inductive capacitance.
  • the motor is activated to drive the rotary cutter head 1222 in the cutting unit 112 to rotate through the gear box 210 to perform shaving, which avoids the shaver caused by damage or failure of the mechanical switch button. Problems that do not work properly, thus ensuring that the shaving unit can be used reliably for a long time.
  • the first inductive capacitance can be transferred to the circuit board assembly for conducting electricity at the same time. , and also plays the role of enabling each cutting structure 120 to float relative to the head cover 110 .
  • a conductive structure member ie, the third conductor 212 in the figure
  • the hole 1101 can be electrically connected to the first conductor 141 .
  • first conductor 141 if the first conductor 141 is installed on the head cover 110, in order to ensure the electrical connection between the first conductor 141 and the conductive structural member, the first conductor 141 and the conductive structural member need to be in close contact, and the conductive structural member needs to be in contact with each other.
  • Top first conductor 141 when the conductive structural member (ie, the third conductor 212 in the figure) presses against the first conductor 141, the first conductor 141 will move in the direction of the connecting portion 131. Since the second conductor 142 is an elastic member, the second The conductor 142 will be deformed in the floating direction, that is, the size in the floating direction will be reduced.
  • the displacement of the first conductor 141 can be avoided, and after the conductive floating member 130 is withdrawn, the second conductor 142 is elastic.
  • the second conductor 142 will be reset, which avoids the positional deviation of the first conductor 141, so as to always ensure that the position of the first conductor 141 does not shift and can always be in close contact with the conductive structural member (the third conductor 212). .
  • the first conductor 141 is preferably a floating needle. In this way, when the first conductor 141 is pushed by the conductive structural member, it will be displaced in the floating direction, and will reset when the conductive structural member is pressed off.
  • the second conductor 142 is preferably a coil spring, and the coil spring has standard parts of various sizes, specifications and performances on the market. In this way, special manufacturing is not required, which is conducive to reducing manufacturing costs.
  • the other end of the elastic arm 132 away from the connecting portion 131 is provided with an abutting portion 133 .
  • the other end of the elastic arm 132 away from the connecting portion 131 and the tool holder 121 will undergo relative displacement.
  • the tool holder 121 will be worn, and based on this structure, the conductive floating member 130 is in contact with the tool holder 121 through the abutting portion 133 .
  • the member 130 collides with the tool holder 121 through a smooth structure, which can effectively reduce the wear of the tool holder 121 by the floating member.
  • the hole wall of the conductive hole 1101 is protruded with a limiting protrusion 112 , and the limiting protrusion 112 prevents the first conductor 141 from detaching from the conductive hole 1101 .
  • the connecting portion 131 is fixed to the head cover 110, that is, the assembly of the first conductor 141 is completed, and no other structural tightening is required, which is beneficial to improve assembly. efficient.
  • the limiting protrusions 112 are annularly arranged along the circumference of the hole wall of the conductive hole 1101 .
  • the connecting portion 131 is provided with at least one fixing hole 1311 arranged therethrough; the head cover 110 is provided with at least one fixing piece, and each fixing piece is respectively pierced through one fixing hole 1311 .
  • each fixing piece may also include a connecting piece.
  • a fixing column extending along the floating direction on the head cover 110 and a riveting head connected to the end of the fixing column away from the head cover 110 , each fixing column respectively penetrates a fixing hole 1311 , and each riveting head abuts the connecting portion 131 faces away from the side of the head cover 110 .
  • At least one fixing blank 111 is provided on the head cover 110, and riveting is performed through the free end of each fixing blank 111, wherein the deformed part is riveted and pressed.
  • the riveting head is formed, and the part that is not riveted is the fixing column.
  • each fixing column is matched with the hole shape of the corresponding fixing hole 1311 .
  • the connecting portion 131 can be restricted from moving in a direction perpendicular to the central axis of the fixing column.
  • connection between the connecting portion 131 and the head cover 110 is a detachable connection, and specifically, a screw can be used to realize the detachable connection.
  • the tool holder 121 includes a tool holder body and abutting protrusions connected to the peripheral side of the tool holder body, and the abutting protrusions abut against the corresponding elastic arms 132 .
  • the structural design of the body of the tool holder 121 can be the structural design of the existing tool holder 121 , that is, it can be realized by adding abutting protrusions on the peripheral side of the existing tool holder 121 on the basis of the structure.
  • the tool holder 121 of the present invention is beneficial to reduce the structural improvement of the tool holder 121 .
  • the abutting protrusions have a plate structure.
  • the blade holder 121 when the blade holder 121 or the blade mesh 1221 is used as the first end of the first conductive path, the blade holder 121 is a conductive material body. It is easy to process the tool holder 121 by directly using the conductive material. Alternatively, the outer surface of the tool holder 121 is provided with a conductive layer. By arranging the tool holder 121 formed by the conductive layer on the outer surface of the plastic part, the weight will be lighter. Similarly, when the knife net 1221 is used as the first end of the first conductive path, the knife net 1221 is a conductor; or, the outer surface of the knife net 1221 is provided with a conductive layer. Both of the two fabrication methods can be used as the first end of the first conductive path, and the knife holder 121 (or the knife net 1221 ) can absorb the human skin capacitance formed with the earth from a position close to the human skin.
  • the gear box 210 is used for connecting the body assembly 200 and also for connecting with the aforementioned cutter head assembly 100
  • the gear box 210 includes a gear box body 211 and a third conductor 212 mounted on the gear box body 211 ,
  • the third conductor 212 can contact the conductive hole 1101 away from the hole of the connection part 131 from the conductive hole 1101, and the third conductor 212 is electrically connected to the conductor 140;
  • the body 140 and the third conductor 212 are transmitted to the circuit board assembly.
  • the conductor 140 also includes the second conductor 142 and the first conductor 141, based on this structural design, the first inductive capacitance is sequentially passed through the conductive float 130, the conductor 140 and the first conductor 141.
  • the third conductor 212 is passed to the circuit board assembly.
  • the gear box body 211 includes a gear holder 2111 , a gear holder cover 2112 on which the gear holder 2111 is installed to face the cutter head assembly 100 , and a gear holder 2111 and a gear holder mounted on the gear holder 2111 .
  • the gear frame cover plate 2112 serves as the first end of the second conductive path, and the second conductive path is used for When the gear frame cover 2112 is close to or in contact with the human skin, the second inductive capacitance between the gear frame cover 2112 and the ground is received and transmitted to the circuit board assembly.
  • the gear rack cover 2112 When shaving, since the human skin has a certain charge, when the human skin directly contacts or is close to the gear rack cover 2112, the gear rack cover 2112 will absorb the human skin capacitance formed between it and the ground from the close position, which is the second. Inductive capacitance.
  • the motor When the circuit board assembly receives the second inductive capacitor, the motor is activated to drive the rotary cutter head 1222 in the cutting unit 112 to rotate through the gear box 210 to perform shaving. In this way, it is not necessary to form the cutter holder 121 or the cutter net 1221 with the ground.
  • the first induction capacitor can start the motor.
  • the second inductive capacitance formed between the gear holder cover 2112 and the ground can be used to start the motor.
  • the gear carrier cover 2112 is a conductor, and the gear carrier cover 2112 is easily processed by directly using a conductive material.
  • the outer surface of the gear carrier cover plate 2112 is provided with a conductive layer.
  • the casing is made of conductive material, the casing is used as the first end of the third conducting circuit, and the third conducting circuit receives the third inductive capacitance between the casing and the ground when the casing approaches or contacts the human skin, and It is transmitted to the circuit board assembly; the circuit board assembly is electrically connected to the second end of the third conductive path and is used to make the motor in a standby state when receiving the third induction capacitor; the circuit board assembly is used to receive the first induction together. capacitor and the third sense capacitor when starting the motor. Based on this structural design, the motor will be started only when the circuit board assembly receives the first inductive capacitance on the basis of the third inductive capacitance, which is beneficial to avoid the human body accidentally touching the casing and directly start the motor.

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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

Ensemble tête de rasoir (100), sur un bac d'engrenage (210) et sur un rasoir flottant. L'ensemble tête de rasoir (100) comprend : un couvercle de tête (110) ; une structure de coupe (120), utilisée pour couper les cheveux ; un élément flottant conducteur (130), utilisé pour connecter électriquement le couvercle de tête (110) à la structure de coupe (120) ; et un conducteur électrique (140), pénétrant à travers un trou conducteur (1101). La structure de coupe (120) est utilisée comme première extrémité d'un premier trajet conducteur, et le premier trajet conducteur est utilisé pour recevoir une première capacité d'induction entre la structure de coupe (120) et le sol lorsque la structure de coupe (120) est proche ou en contact avec la peau humaine, et transmettre la première capacité d'induction à un ensemble carte de circuit imprimé à travers l'élément flottant conducteur (130) et le conducteur électrique (140) en séquence ; l'ensemble carte de circuit imprimé est utilisé pour démarrer un moteur lorsque la première capacité d'induction est reçue.
PCT/CN2021/102953 2020-07-01 2021-06-29 Ensemble tête de rasoir, boîte à engrenages et rasoir flottant WO2022002013A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010622887.3 2020-07-01
CN202010622887.3A CN112060136B (zh) 2020-07-01 2020-07-01 刀头组件、齿轮仓以及浮动剃须刀

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Publication Number Publication Date
WO2022002013A1 true WO2022002013A1 (fr) 2022-01-06

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PCT/CN2021/102953 WO2022002013A1 (fr) 2020-07-01 2021-06-29 Ensemble tête de rasoir, boîte à engrenages et rasoir flottant

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CN (1) CN112060136B (fr)
WO (1) WO2022002013A1 (fr)

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CN112060136B (zh) * 2020-07-01 2022-06-21 深圳素士科技股份有限公司 刀头组件、齿轮仓以及浮动剃须刀
CN113715064B (zh) * 2021-08-02 2023-01-13 利民(番禺南沙)电器发展有限公司 一种旋转式剃须刀
CN114030012B (zh) * 2021-10-28 2023-06-20 蓓慈电器有限公司 一种剃须刀浮动刀网结构及剃须刀

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CN2597165Y (zh) * 2003-02-18 2004-01-07 超人集团有限公司 一种旋转式剃须刀浮动贴面
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DE3021966A1 (de) * 1980-06-12 1981-12-17 Kuno Moser, GmbH, Fabrik für Feinmechanik und Elektrotechnik, 7731 Unterkirnach Elektrischer rasierapparat
US4531287A (en) * 1983-05-25 1985-07-30 U.S. Philips Corporation Automatically operating electric shaver
CN105729507A (zh) * 2016-04-25 2016-07-06 浙江美森电器有限公司 一种浮动刀头及剃须刀
CN110480690A (zh) * 2019-09-27 2019-11-22 上海飞科电器股份有限公司 电动剃刀及电动剃刀系统
CN110802641A (zh) * 2019-11-15 2020-02-18 舒可士（深圳）科技有限公司 刀头组件及包含该刀头组件的剃须器
CN110802639A (zh) * 2019-11-15 2020-02-18 舒可士（深圳）科技有限公司 刀头组件及具有该刀头组件的剃须装置
CN110802640A (zh) * 2019-11-15 2020-02-18 舒可士（深圳）科技有限公司 刀头组件、手柄组件及感应式剃须刀
CN112060136A (zh) * 2020-07-01 2020-12-11 深圳素士科技股份有限公司 刀头组件、齿轮仓以及浮动剃须刀
CN212978412U (zh) * 2020-07-01 2021-04-16 深圳素士科技股份有限公司 刀头浮动结构以及剃须刀

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CN112060136A (zh) 2020-12-11
CN112060136B (zh) 2022-06-21

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