WO2020103113A1 - 一种剃须刀刀头的卡扣结构 - Google Patents

一种剃须刀刀头的卡扣结构

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Publication number
WO2020103113A1
WO2020103113A1 PCT/CN2018/117065 CN2018117065W WO2020103113A1 WO 2020103113 A1 WO2020103113 A1 WO 2020103113A1 CN 2018117065 W CN2018117065 W CN 2018117065W WO 2020103113 A1 WO2020103113 A1 WO 2020103113A1
Authority
WO
WIPO (PCT)
Prior art keywords
ball
boss
mounting
elastic member
buckle structure
Prior art date
Application number
PCT/CN2018/117065
Other languages
English (en)
French (fr)
Inventor
王相琦
王强民
Original Assignee
浙江夏隆电器有限公司
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 浙江夏隆电器有限公司 filed Critical 浙江夏隆电器有限公司
Priority to EP18940616.8A priority Critical patent/EP3885083A4/en
Priority to US17/295,882 priority patent/US20220016793A1/en
Priority to CN201880016433.2A priority patent/CN110475650B/zh
Priority to PCT/CN2018/117065 priority patent/WO2020103113A1/zh
Publication of WO2020103113A1 publication Critical patent/WO2020103113A1/zh

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
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3853—Housing or handle
    • B26B19/386—Means for attaching the head thereto

Definitions

  • the invention relates to a shaver, in particular to a buckle structure of a shaver head.
  • the existing razors are mainly divided into electric razors and manual razors, wherein the handle and the head of the electric razor are usually connected by a snap connection between the gusset plate and the gusset base Realize detachable connection.
  • the above-mentioned buckling method takes a long time, and the connecting buckle plate will show a state of reduced elasticity, so that the buckling state with the buckle plate base cannot be maintained, the service life is low, and disassembly and assembly are more difficult.
  • the present invention provides a buckle structure for a razor head.
  • a buckle structure of a razor blade head including a joint base and a connecting head; the joint base and the connecting head are respectively installed on the upper part of the razor handle and the lower part of the razor head
  • a mounting groove is formed on the joint base, and at least two corresponding clamping grooves are formed on the side wall of the mounting groove; an annular mounting boss is formed on the connector, the annular mounting boss and the mounting groove It fits and is inserted into the installation slot.
  • a mounting hole corresponding to the clamping slot is formed on the side wall of the annular mounting boss, a ball is installed in the mounting hole, and the connection head is provided with a drive The ball is partially exposed outside the mounting hole and the elastic piece is engaged with the card slot.
  • the mounting hole includes a mounting portion with a diameter matching the ball and a limiting portion with a diameter smaller than the ball on the outer side of the mounting portion; the elastic member is mounted on the connector and elastically squeezes the ball to make the ball fit the limiting portion .
  • the inner wall of the limiting portion has a spherical structure adapted to the balls.
  • the elastic member adopts a snap ring structure, and the elastic member is embedded in the annular mounting boss and fits with the inner wall of the annular mounting boss.
  • the inner wall of the annular mounting boss is formed with at least two symmetrically arranged first limiting bosses and two symmetrically arranged second limiting bosses, the first limiting boss and the second limiting boss Located respectively above and below the relative mounting holes, the elastic member is disposed between the first limiting boss and the second limiting boss.
  • the upper end surface of the first limiting boss has a slope guide structure.
  • the clamping slot has an elongated structure arranged vertically.
  • the beneficial effect of the present invention is that the above solution is adopted, and the elastic member cooperates with the buckle structure of the ball.
  • FIG. 1 is a partially exploded exploded view of a razor according to an embodiment of the present invention.
  • FIG. 2 is an enlarged schematic view at A in FIG. 1.
  • FIG. 3 is a schematic structural diagram of a joint base according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a connector according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of the connector of the embodiment of the present invention.
  • a buckle structure of a shaving head includes a joint base 3, a connecting head 4, a ball 5, and an elastic member 6.
  • the joint base 3 is fixedly installed on the upper part of the razor handle 1
  • the connecting head 4 is fixedly installed on the lower part of the razor head 2
  • the joint base 3 and the connecting head 4 are detachably connected so as to realize shaving The detachable connection between the shaver handle 1 and the shaver head 2.
  • An installation slot 31 is formed on the joint base 3, and two corresponding clamping slots 32 are formed on the side walls of the installation slot 31.
  • a ring-shaped mounting boss 41 is formed on the connector 4.
  • the ring-shaped mounting boss 41 is matched with the mounting groove 31 and inserted into the mounting groove 31.
  • the side wall of the ring-shaped mounting boss 41 is formed with The mounting hole 42 corresponding to the card slot 32, the ball 5 is installed in the mounting hole 42, and the elastic member 6 is mounted on the connecting head 4, which can drive the ball 5 to be partially exposed outside the mounting hole 42 and engage with the card slot 32 Pick up.
  • the ball 5 When installing, insert the ring-shaped mounting boss 41 of the connector 4 into the mounting groove 31, the ball 5 will be forced to overcome the elastic force of the elastic member 6 and retract into the mounting hole 42. When installed in place, the mounting hole 42 and the card Corresponding to the groove 32, the ball 5 pops up under the elastic force of the elastic member 6 and snaps into the clamping groove 32 to realize a snap connection between the connector 4 and the joint base 3.
  • the mounting hole 42 includes a mounting portion 421 and a limiting portion 422 outside the mounting portion 421, the diameter of the mounting portion 421 is the same as or slightly larger than the diameter of the ball 5, and is adapted to the ball 5 , So that the ball can move axially along the mounting hole 42, and the diameter of the limiting portion 422 is slightly smaller than the diameter of the ball 5.
  • the elastic member 6 is formed by bending a steel wire to form an unclosed annular structure, and is embedded in the annular mounting boss 41 and fits with the inner wall of the annular mounting boss 41.
  • the elastic member 6 can press the balls 5 to make the balls 5 fits with the limiting part 422, so that the ball 5 and the limiting part 422 are limitedly matched, and the partial structure of the ball 5 can pass out of the limiting part 422, and can realize a snap fit with the clamping slot 32.
  • the ball 6 and the elastic member 5 are easy to assemble and disassemble, even if they are damaged after a long time of use, they can also be replaced very conveniently.
  • the inner wall of the limiting portion 422 may be a spherical structure adapted to the ball 5.
  • first limiting bosses 43 and two symmetrically arranged second limiting bosses 44 are formed on the inner wall of the annular mounting boss 41, the first limiting boss 43 and the second limiting The positioning bosses 44 are located above and below the mounting holes 42 respectively.
  • the elastic member 6 is disposed between the first limiting boss 43 and the second limiting boss 44.
  • the first limiting boss 43 and the second limiting boss 44 The limiting boss 44 fixes the elastic member 6 and the structure is more stable and firm.
  • the upper end surface of the first limiting boss 43 is provided with a slope guide structure, and the elastic member 6 can be quickly installed through the slope guide.
  • clamping slot 32 has a vertically arranged elongated structure, so that it has enough space to cooperate with the ball 5, which is not only convenient for installation, but also can achieve the effect of floating up and down, improving the comfort of the shaver.
  • the rolling ball 5 can be made of steel balls, which has the advantages of stable structure and not easy to wear. Of course, other materials can also be used.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
  • Gripping On Spindles (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

一种剃须刀刀头的卡扣结构，其特征在于：接头底座（3）上形成有安装槽（31），安装槽（31）的侧壁至少形成有两个相对应的卡槽（32），连接头（4）上形成有环形安装凸台（41），所述环形安装凸台（41）与安装槽（31）相适配，并插入安装槽（31）内，所述环形安装凸台（41）的侧壁上形成有与卡槽（32）相对应的安装孔（42），所述安装孔（42）内安装有滚珠（5），且所述连接头上设有能驱使滚珠（5）局部露出在安装孔（42）外与卡槽（32）卡接的弹性件（6）。其优点在于通过上述弹性件（6）配合滚珠（5）的卡扣结构，拆装时，通过滚珠（5）滚动配合，减少磨损，不仅使用寿命长，而且拆装更加轻松方便。

Description

一种剃须刀刀头的卡扣结构 技术领域
本发明涉及一种剃须刀,具体涉及一种剃须刀刀头的卡扣结构。
 背景技术
目前，现有的剃须刀主要分为电动式剃须刀和手动式剃须刀，其中，电动剃须刀的手柄与刀头通常通过连接扣板以及扣板底座之间的卡扣连接来实现可拆卸连接。
 技术问题
但是上述扣接方式，时间长了，连接扣板会出现弹力减小的状况，进而无法保持与所述扣板底座之间的扣接状态，使用寿命低，同时拆装比较困难。
 技术解决方案
为了克服背景技术的不足，本发明提供一种剃须刀刀头的卡扣结构。
本发明所采用的技术方案：一种剃须刀刀头的卡扣结构，包括接头底座、连接头；所述接头底座与连接头分别对应安装在剃须刀手柄上部和剃须刀刀头下部；所述接头底座上形成有安装槽，所述安装槽的侧壁至少形成有两个相对应的卡槽；所述连接头上形成有环形安装凸台，所述环形安装凸台与安装槽相适配，并插入安装槽内，所述环形安装凸台的侧壁上形成有与卡槽相对应的安装孔，所述安装孔内安装有滚珠，且所述连接头上设有能驱使滚珠局部露出在安装孔外与卡槽卡接的弹性件。
所述安装孔包括直径与滚珠适配的安装部以及安装部外侧直径小于滚珠的限位部；所述弹性件安装在连接头上，并弹性挤压滚珠，使滚珠与限位部相贴合。
所述限位部内壁呈与滚珠适配的球面结构。
所述弹性件采用卡环的结构，所述弹性件嵌入环形安装凸台内，与环形安装凸台的内壁相贴合。
所述环形安装凸台的内壁至少形成有二个对称布置的第一限位凸台以及二个对称布置的第二限位凸台，所述第一限位凸台与第二限位凸台分别位于相对安装孔的上下方，所述弹性件设置于第一限位凸台与第二限位凸台之间。
所述第一限位凸台的上端面呈斜面导向结构。
所述卡槽呈竖直布置的长形结构。
 有益效果
本发明的有益效果是：采用以上方案，通过上述弹性件配合滚珠的卡扣结构，拆装时，通过滚珠滚动配合，减少摩擦，不仅磨损少，使用寿命长，而且拆装更加轻松方便。
 附图说明
图1为本发明实施例剃须刀的局部爆炸分解图。
图2为图1中A处的放大示意图。
图3为本发明实施例接头底座的结构示意图。
图4为本发明实施例连接头的结构示意图。
图5为本发明实施例连接头的剖视图。
 本发明的实施方式
下面结合附图对本发明实施例作进一步说明：
如图所示，一种剃须刀刀头的卡扣结构，包括接头底座3、连接头4、滚珠5、弹性件6。
所述接头底座3固定安装在剃须刀手柄1的上部，所述连接头4固定安装在剃须刀刀头2的下部，所述接头底座3与连接头4可拆卸连接，从而能够实现剃须刀手柄1与剃须刀刀头2之间的可拆卸连接。
所述接头底座3上形成有安装槽31，所述安装槽31的两侧侧壁上形成有两个相对应的卡槽32。
所述连接头4上形成有环形安装凸台41，所述环形安装凸台41与安装槽31相适配，并插入安装槽31内，所述环形安装凸台41的侧壁上形成有与卡槽32相对应的安装孔42，所述滚珠5安装在安装孔42内，所述弹性件6安装在连接头4上，能驱使滚珠5局部露出在安装孔42外，与卡槽32卡接。
安装时，将连接头4的环形安装凸台41插入安装槽31，滚珠5则会受力克服弹性件6的弹性力，缩回到安装孔42内，当安装到位后，安装孔42与卡槽32对应，滚珠5在弹性件6的弹性力作用下弹出，卡进卡槽32内，实现连接头4与接头底座3的卡扣连接。
通过上述弹性件6配合滚珠5的卡扣结构，拆装时，通过滚珠5滚动配合，减少磨损，不仅使用寿命长，而且拆装更加轻松方便。
如图所示，所述安装孔42包括安装部421以及安装部421外侧的限位部422，所述安装部421的直径与滚珠5相同或略大于滚珠5的直径，与滚珠5相适配，使得滚珠能沿安装孔42轴向活动，所述限位部422的直径则略小于滚珠5的直径。
所述弹性件6采用钢丝弯折形成未封闭的环状结构，并嵌入到环形安装凸台41内，与环形安装凸台41的内壁相贴合，弹性件6能够挤压滚珠5，使滚珠5与限位部422相贴合，使得滚珠5与限位部422限位配合，且其局部结构能够穿出限位部422外，能够实现与卡槽32卡扣配合。
滚珠6与弹性件5拆装方便，即使用久了损坏了，也可以非常方便的进行更换。
为了滚珠5更好地滚动配合，还可以将所述限位部422内壁呈与滚珠5适配的球面结构。
另外，在所述环形安装凸台41的内壁形成有多个第一限位凸台43以及二个对称布置的第二限位凸台44，所述第一限位凸台43与第二限位凸台44分别位于相对安装孔42的上下方，所述弹性件6设置于第一限位凸台43与第二限位凸台44之间，通过第一限位凸台43与第二限位凸台44对弹性件6进行固定，结构更加稳定牢固。
为了便于弹性件的安装，将所述第一限位凸台43的上端面呈斜面导向结构，通过斜面导向能够将弹性件6快速的进行安装。
另外，所述卡槽32呈竖直布置的长形结构，使得其具有足够的空间与滚珠5配合，不仅便于安装，而且可以实现上下浮动的效果，提高剃须刀的使用舒适性。
所述滚珠5可以采用钢珠，具有结构稳定，不易磨损的优点，当然也可以采用其他材质。
实施例不应视为对发明的限制，但任何基于本发明的精神所作的改进，都应在本发明的保护范围之内。

Claims (8)

  1. 一种剃须刀刀头的卡扣结构，包括接头底座（3）、连接头（4）；所述接头底座（3）与连接头（4）分别对应安装在剃须刀手柄（1）上部和剃须刀刀头（2）下部；
    其特征在于：所述接头底座（3）上形成有安装槽（31），所述安装槽（31）的侧壁至少形成有两个相对应的卡槽（32）；
    所述连接头（4）上形成有环形安装凸台（41），所述环形安装凸台（41）与安装槽（31）相适配，并插入安装槽（31）内，所述环形安装凸台（41）的侧壁上形成有与卡槽（32）相对应的安装孔（42），
    所述安装孔（42）内安装有滚珠（5），且所述连接头（4）上设有能驱使滚珠（5）局部露出在安装孔（42）外与卡槽（32）卡接的弹性件（6）。
  2. 根据权利要求1所述的剃须刀刀头的卡扣结构，其特征在于：所述安装孔（42）包括直径与滚珠（5）适配的安装部（421）以及安装部（421）外侧直径小于滚珠（5）的限位部（422）；所述弹性件（6）安装在连接头（4）上，并弹性挤压滚珠（5），使滚珠（5）与限位部（422）相贴合。
  3. 根据权利要求2所述的剃须刀刀头的卡扣结构，其特征在于：所述限位部（422）内壁呈与滚珠（5）适配的球面结构。
  4. 根据权利要求2所述的剃须刀刀头的卡扣结构，其特征在于：所述弹性件（6）采用卡环的结构，所述弹性件（6）嵌入环形安装凸台（41）内，与环形安装凸台（41）的内壁相贴合。
  5. 根据权利要求4所述的剃须刀刀头的卡扣结构，其特征在于：所述环形安装凸台（41）的内壁至少形成有二个对称布置的第一限位凸台（43）以及二个对称布置的第二限位凸台（44），所述第一限位凸台（43）与第二限位凸台（44）分别位于相对安装孔（42）的上下方，所述弹性件（6）设置于第一限位凸台（43）与第二限位凸台（44）之间。
  6. 根据权利要求5所述的剃须刀刀头的卡扣结构，其特征在于：所述第一限位凸台（43）的上端面呈斜面导向结构。
  7. 根据权利要求1所述的剃须刀刀头的卡扣结构，其特征在于：所述卡槽（32）呈竖直布置的长形结构。
  8. 根据权利要求1所述的剃须刀刀头的卡扣结构，其特征在于：所述滚珠（5）采用钢珠。
PCT/CN2018/117065 2018-11-23 2018-11-23 一种剃须刀刀头的卡扣结构 WO2020103113A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18940616.8A EP3885083A4 (en) 2018-11-23 2018-11-23 ENGAGEMENT STRUCTURE IN A RAZOR HEAD
US17/295,882 US20220016793A1 (en) 2018-11-23 2018-11-23 Buckle structure for shaver head
CN201880016433.2A CN110475650B (zh) 2018-11-23 2018-11-23 一种剃须刀刀头的卡扣结构
PCT/CN2018/117065 WO2020103113A1 (zh) 2018-11-23 2018-11-23 一种剃须刀刀头的卡扣结构

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PCT/CN2018/117065 WO2020103113A1 (zh) 2018-11-23 2018-11-23 一种剃须刀刀头的卡扣结构

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WO2020103113A1 true WO2020103113A1 (zh) 2020-05-28

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US (1) US20220016793A1 (zh)
EP (1) EP3885083A4 (zh)
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USD960451S1 (en) * 2021-09-22 2022-08-09 Guangdong Huanengda Electrical Appliances Co., Ltd Handle for electric shaver
USD961159S1 (en) * 2021-09-27 2022-08-16 Guangdong Huanengda Electrical Appliances Co., Ltd Handle for electric shaver
EP4177018A1 (en) * 2021-11-09 2023-05-10 Koninklijke Philips N.V. Coupling and decoupling a main housing and a functional attachment of a handheld personal care device
CN115008506B (zh) * 2022-04-18 2024-07-23 浙江盛发电器有限公司 剃须刀刀头
CN115111242B (zh) * 2022-06-23 2024-05-24 重庆长安汽车股份有限公司 一种卡扣及车用构件连接结构和汽车

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