WO2012103677A1 - 工具的枢轴定位结构 - Google Patents

工具的枢轴定位结构 Download PDF

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Publication number
WO2012103677A1
WO2012103677A1 PCT/CN2011/070839 CN2011070839W WO2012103677A1 WO 2012103677 A1 WO2012103677 A1 WO 2012103677A1 CN 2011070839 W CN2011070839 W CN 2011070839W WO 2012103677 A1 WO2012103677 A1 WO 2012103677A1
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WO
WIPO (PCT)
Prior art keywords
pivot
tool
central gear
hole
gear
Prior art date
Application number
PCT/CN2011/070839
Other languages
English (en)
French (fr)
Inventor
赖四正
Original Assignee
Lai Jim
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 Lai Jim filed Critical Lai Jim
Priority to PCT/CN2011/070839 priority Critical patent/WO2012103677A1/zh
Priority to CN201180053618.9A priority patent/CN103492129B/zh
Priority to DE112011104808T priority patent/DE112011104808T5/de
Priority to US13/989,801 priority patent/US20130305887A1/en
Publication of WO2012103677A1 publication Critical patent/WO2012103677A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B13/00—Spanners; Wrenches
    • B25B13/02—Spanners; Wrenches with rigid jaws
    • B25B13/04—Spanners; Wrenches with rigid jaws of ring jaw type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/0007—Connections or joints between tool parts
    • B25B23/0028—Angular adjustment means between tool head and handle

Definitions

  • This invention relates to a pivot positioning structure, and more particularly to a pivot positioning structure for a tool that controls the tool head to swing to a suitable angle for related operations.
  • the hand tool is a tool for operating a rotating object in daily life, regardless of the form in which it is designed, has a grip portion and a working portion for the operator to hold on the grip portion, and the work portion to fit the object .
  • the working portion of the conventional wrench and the grip portion are fixed, but sometimes limited by a small operating space, the working portion and the grip portion need to be adjusted at an angle to operate, so that the operator is holding
  • An angle adjustment structure is designed between the handle and the work part, and a series of hand tools for adjusting the angle according to the use environment are developed.
  • the structural principle of the hand tool with adjustable angle is mainly that the tail end of the working part is formed into a tooth shape.
  • various control structures are designed on the handle part, and the control structure generally passes through The assembly of the elastic component and the tooth end of the working part (or a plurality of ffl slots) (mostly a single cassette or a steel ball), when the control structure and the tooth shape of the tail end of the working part are engaged with each other, the working part and the grip
  • the handle can be formed at a fixed angle.
  • the elastic component is generally controlled to be compressed.
  • the appropriate angle can be adjusted between the working portion and the grip portion, and when adjusted to an appropriate angle,
  • the elastic component is restored to the top abutting state, and the control structure is further engaged with the tooth shape of the working portion, and the working portion and the grip portion form another fixed angle.
  • the prior art needs to form a tooth shape at the tail end of the working part, and the tooth shape of the tail end of the working part is exposed
  • the outer part of the hand tool therefore, the component that engages with the tooth profile at the end of the working part also needs to be exposed to the outside, so that the appearance of the hand tool is generally less beautiful due to the tooth shape of the tail end of the working part and the control structure of the grip portion.
  • consumers are less likely to choose to buy.
  • the components that are engaged with the tooth profile at the end of the working part, and the more complicated the structure of the control components the card positioning effect is not stable enough, and has the defect of poor quality of use.
  • the inventor of the present invention invented a pivotal positioning structure of the tool to improve the prior art without the appearance of the above-mentioned adjustment angle structure, and the defect of positioning effect after adjusting the angle, and the related product development and design. And defects such as poor positioning. Summary of the invention
  • the invention provides a pivot positioning structure of a tool with a related component, a structure hidden inside the tool and a stable positioning after adjusting the angle, and the prior art has the purpose of exposing the structure to the appearance, thereby improving the willingness of the customer to select, and at the same time, the tool The head and the tool handle have a stable positioning function in the locked state.
  • the pivot positioning structure of the tool of the present invention comprises: a tool handle, one end of which is provided with two opposite arms, and each arm has a side hole, and the opposite hole in the two side holes Each end is provided with an inner ring tooth;
  • a tool head having a pivoting portion between the two arms corresponding to one end, and the pivoting portion is provided with a central gear hole opposite to the two side holes;
  • a pivot group is pivoted to the side hole and the central gear hole, the pivot group includes a pivot shaft and a central gear spaced apart from the pivot shaft, the side gear is locked, and the tool head is locked with respect to the tool handle
  • the central gear is meshed between the central gear hole and one of the inner ring teeth, and the lateral gear is meshed between the central gear hole and the other inner ring tooth;
  • the pressing pivot synchronously controls the axial displacement of the central gear and the lateral gear, the central gear meshes in the central gear hole, and the lateral gear is disengaged from the central gear hole and the inner ring tooth, thereby the tool head
  • the pivot is rotated relative to the tool shank to the appropriate angle.
  • the pivot positioning structure of the tool of the present invention further includes the following technical features, wherein: the pivot set further includes a flap, a button and a spring fixed to one end of the pivot and located outside one of the arms.
  • the button is disposed at the other end of the pivot and located outside the other arm.
  • the spring is sleeved on the pivot and is elastically engaged between the button and the side hole, and the spring is pushed against the pivot and synchronously drives the central gear and the side. Reset to the gear.
  • the present invention can be said to be a practical and progressive invention, which is quite worthy of promotion by the industry and is publicized to the public.
  • Figure 1 is a perspective view showing an exploded state of the present invention.
  • Figure 2 is a perspective view of the assembled state of the present invention.
  • Figure 5 is a cross-sectional view showing the unlocked state of the present invention.
  • FIG. 6 is a schematic diagram of the use angle of the unlocking state adjustment according to the present invention.
  • FIG. 1 is an assembly of the present invention.
  • the present invention includes a tool shank 1, a tool head 2, and a pivot group 3, wherein:
  • the tool shank 1 has two opposite arms 11 and 12 at one end thereof, and the arms 11 and 12 are respectively provided with side holes 111 and 121 penetrating the arms 11 and 12, and the side holes 111 and 121 are provided at the opposite hole ends.
  • Inner ring teeth 112, 122, and the other end of the tool shank 1 is used for gripping operation;
  • the tool head 2 has a pivoting portion 21 at one end corresponding to the two arms 11, 12, and the pivoting portion 21 is provided with a central gear hole 22 opposite to the two side holes 111, 121;
  • the other end is an open-end wrench head, and a ratchet wrench head or a movable wrench head can also be used.
  • an open-end wrench head is taken as an example;
  • a pivot group 3 axially movable to the side holes 111, 121 and the central gear hole 22, thereby combining the tool shank 1 and the tool head 2;
  • the pivot group 3 includes a pivot 31 and a central gear 32 a side gear 33, a blocking piece 34, a button 35 and a spring 36.
  • the central gear 32 and the side gear 33 are respectively sleeved and fixed on the pivot 31, and the tool head 2 is locked with respect to the tool shank 1.
  • the central gear 32 is meshed between the central gear hole 22 and the inner ring gear 112, and the lateral gear 33 is meshed between the central gear hole 22 and the inner ring gear 122; the flap 34 is screwed and fixed to the pivot 31-end
  • the button 35 is disposed at the other end of the pivot 31 and is located outside the other arm 11.
  • the spring 36 is sleeved on the pivot 31 and is biased between the button 35 and the side hole 111.
  • the present invention unlocks the state and adjusts the angle of the tool head 2 relative to the tool shank 1, referring to FIG. 5 to FIG. 6, the user presses the button at the end of the pivot 31 with the thumb, so that the pivot 31 is axially displaced.
  • the central gear 32 is axially displaced in synchronism with the lateral gear 33 and simultaneously compresses the spring 36, and the central gear 32 is displaced into the central gear hole 22 and meshed with each other, and the lateral gear 33 is disengaged from the central gear hole 22 and the inner ring tooth 122.
  • the tool head 2 can be rotated relative to the tool shank 1 to an appropriate angle by the pivot 31; after being adjusted to an appropriate angle, the spring 36 is restored by the elastic force of the spring 36 to be pressed against the pivot 31, and the central gear 32 is synchronized with the lateral gear 33.
  • the central gear 32 With the axial reset, the central gear 32 is displaced and meshed between the central gear hole 22 and the inner ring tooth 112, and the lateral gear 33 is again displaced and meshed between the central gear hole 22 and the inner ring tooth 122, and the present invention is limited in space. The narrow space can still be used smoothly.
  • the present invention designs the pivot positioning structure between the tool shank 1 and the tool head 2, and is hidden in the tool shank 1 and the tool head 2 without the prior art positioning and locking teeth.
  • the shape structure is exposed outside the tool, thereby achieving the purpose of improving the structure and the unsightly appearance of the prior art, thereby improving the willingness of the customer to purchase.
  • the pivot positioning structure of the tool of the invention has simple components, and not only can the components be molded by using the molding method, but also facilitate the manufacture of the components, and at the same time, it also contributes to the assembly work, and does not need to go through the processing holes and holes as in the prior art hand tools. , to reduce manufacturing costs.
  • the tool head 2 and the tool shank are in a locked state, since the central gear 32 and the lateral gear 33 mesh with the central gear hole 22 and the inner ring teeth 112, 122, the tooth surfaces of the two mesh with each other, and have positioning and locking effects. good.
  • the thumb can be easily pressed to achieve the unlocking effect of the working head, and the spring 36 pushes the reset and restores the locked state, thereby facilitating one-handed operation. Lock the effect.
  • the pivotal positioning structure of the tool of the present invention is practically and cost-effectively required to fully meet the needs of industrial development, and the disclosed structural invention is also an unprecedented innovative construction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Knives (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Mechanically-Actuated Valves (AREA)

Description

工具的枢轴定位结构
技术领域 本发明是关于一种枢轴定位结构， 特别是指一种工具的枢轴定位结构， 其得以控制工具头摆动至适用角度进行相关作业。
背景技术
手工具是为日常生活当中用以操作旋转对象的工具， 不论其设计为何种 形态， 均具有一握柄部以及一工作部， 以供操作者握持在握柄部， 而以工作 部套固对象。 而传统扳手的工作部与握柄部之间设为固定状， 但有时受到狭 小的操作空间所限制， 必需使工作部与握柄部之间需要调整呈一角度方能操 作， 因此有业者在握柄部与工作部之间设计有调整角度结构， 开发一系列相 关可因应使用环境而调整角度的手工具。
公知可调角度的手工具其结构原理， 主要在于工作部的尾端形成齿形， 当工作部枢接在握柄部时， 在握柄部上设计各式的控制结构， 控制结构一般 不外乎通过弹性组件与工作部尾端齿形 （或数个 ffl槽） 相卡合的组件 （多为 单一卡榫或钢珠）， 当控制结构与工作部尾端的齿形相互卡合时， 工作部与 握柄部间即可成一固定角度。 当再利用其控制方式， 一般即控制弹性组件压 缩， 如此控制结构即与工作部尾端的齿形分离时， 工作部与握柄部间即可调 整适当的角度， 当调整至适当角度后， 使弹性组件恢复顶抵状态， 控制结构 即再与工作部的齿形卡合， 工作部与握柄部间即成另一固定角度。
由于现有技术需在工作部尾端形成齿形， 且此工作部尾端的齿形外露于 手工具的外部， 因此与工作部尾端齿形相卡合的组件也需露于外部， 所以整 体上， 手工具外观即因工作部尾端的齿形与握柄部的控制结构而较不美观， 进而降低消费者挑选购买意愿。 此外， 与工作部尾端齿形相互卡合的组件， 以及控制组件越多结构复杂等因素， 以致卡抵定位效果不够稳定， 有着使用 质量不佳的缺陷。
因此本申请发明人以上述调整角度结构外露不美观， 以及调整角度后定 位效果不佳缺陷， 进行相关产品的研发与设计， 而发明了一种工具的枢轴定 位结构， 改善现有技术不美观以及定位效果不佳等缺陷。 发明内容
本发明提供一种相关组件、 结构隐藏于工具内部， 且调整角度后定位稳 固的工具的枢轴定位结构， 改善现有技术有结构外露不美观的目的， 进而提 髙客户挑选的意愿， 同时工具头与工具柄锁定状态下具有定位稳固功效者。
为了达成上述目的与功效， 本发明工具的枢轴定位结构， 其包括有： 一工具柄， 其一端设有二相对支臂， 且各支臂都设有一侧孔， 并于二侧 孔相对孔端各设有一内环齿；
一工具头， 其一端对应该二支臂之间设有一枢转部， 且该枢转部设有一 与二侧孔相对的中央齿轮孔；
以及一枢轴组穿枢于侧孔与中央齿轮孔， 该枢轴组包括有一枢轴以及间 隔套设固定于枢轴的一中央齿轮、 一侧向齿轮， 而工具头相对工具柄呈锁定 状态时， 该中央齿轮啮合于中央齿轮孔与其中一内环齿之间， 而侧向齿轮啮 合于中央齿轮孔与另一内环齿之间；
如此， 按压枢轴同步操控中央齿轮与侧向齿轮轴向位移， 该中央齿轮啮 合于中央齿轮孔内， 而侧向齿轮脱离中央齿轮孔以及内环齿， 借此工具头以 枢轴相对工具柄转动至适当角度。
本发明工具的枢轴定位结构进一步包括有下列技术特征， 其中： 该枢轴组进一步包括有一挡片、 一按钮以及一弹簧， 该挡片固设于枢轴 一端并位于其中一支臂外侧， 而按钮设于该枢轴另一端， 并位于另一支臂外 侧， 该弹簧套设于枢轴且弹抵于按钮与侧孔之间， 以该弹簧推抵枢轴并同步 带动中央齿轮与侧向齿轮复位。
因此本发明可说是一种相当具有实用性及进步性的发明， 相当值得产业 界来推广， 并公诸于社会大众。 附图说明
图 1为本发明分解状态立体图。
图 2为本发明组合状态立体图。
图 5为本发明解除锁定状态剖视示意图。
图 6为本发明解除锁定状态调整使用角度示意图。
【主要组件符号说明】
1工具柄 11 支臂
111侧孔 112 内环齿
12支臂 121侧孔
122内环齿 2工具头
21枢转部 22中央齿轮孔
3枢轴组 31枢轴
32中央齿轮 33侧向齿轮 34挡片 35按钮
36弹簧 具体实施方式
为了详细说明本发明工具的枢轴定位结构， 在此列举一实施例， 且各组 件结构以及组件之间的组成关系， 并请配合参阅图 1 至图 6所示， 其中图 1 为本发明组件分解立体示意图， 本发明包括有一工具柄 1、 一工具头 2 以及 一枢轴组 3， 其中：
该工具柄 1， 其一端设有二相对支臂 11、 12， 且支臂 11、 12分别设有 贯穿支臂 11、 12的侧孔 111、 121， 侧孔 111、 121于相对孔端设有一内环齿 112、 122， 而工具柄 1另一端供握持操作使用；
该工具头 2， 其一端对应该二支臂 11、 12 之间设有一枢转部 21， 且该 枢转部 21设有一与二侧孔 111、 121相对的中央齿轮孔 22; 该工具头 2另一 端为一开口形态的扳手头， 也可釆用棘轮式扳手头或活动式扳手头， 在此以 开口形态的扳手头为例；
以及可轴向移动穿枢于侧孔 111、 121 与中央齿轮孔 22的枢轴组 3， 借 此结合工具柄 1与工具头 2; 该枢轴组 3包括有一枢轴 31、 一中央齿轮 32、 一侧向齿轮 33、 一挡片 34、 一按钮 35 以及一弹簧 36， 该中央齿轮 32与侧 向齿轮 33分别间隔套设固定于枢轴 31上， 而工具头 2相对工具柄 1锁定状 态时中央齿轮 32啮合于中央齿轮孔 22 与内环齿 112 之间， 而侧向齿轮 33 啮合于中央齿轮孔 22与内环齿 122之间； 该挡片 34螺设固定于枢轴 31— 端并位于支臂 12外侧， 该按钮 35设于该枢轴 31 另一端， 并位于另一支臂 11外侧， 该弹簧 36套设于枢轴 31且弹抵于按钮 35与侧孔 111之间。
本发明在使用时请参阅图 1 至图 4所示， 平时借由弹簧 36推抵枢轴设 有按钮 35—端， 让中央齿轮 32啮合于中央齿轮孔 22与内环齿 112之间， 而侧向齿轮 33啮合于中央齿轮孔 22与另一内环齿 122之间， 工具头 2无法 相对工具柄 1转动， 即工具头 2呈锁定状态。
而本发明解除锁定状态并调整工具头 2相对工具柄 1角度时， 请参阅图 5 至图 6所示， 使用者以拇指按压位于枢轴 31 —端的按钮， 使得该枢轴 31 轴向位移，该中央齿轮 32与侧向齿轮 33同步轴向位移，并同时压缩弹簧 36， 而中央齿轮 32位移至中央齿轮孔 22 内并相互啮合， 且侧向齿轮 33脱离中 央齿轮孔 22 以及内环齿 122， 使得工具头 2能以枢轴 31相对工具柄 1转动 至适当角度； 待调整至适当角度后， 借由弹簧 36弹力恢复而推抵枢轴 31复 位， 且中央齿轮 32 与侧向齿轮 33 同步轴向复位， 中央齿轮 32位移并啮合 于中央齿轮孔 22与内环齿 112之间， 而侧向齿轮 33再度位移啮合至中央齿 轮孔 22 与内环齿 122 之间， 本发明得以在空间局限的狭隘处所， 仍然可以 顺利操作使用进行。
经由上述说明后可明白， 本发明将枢轴定位结构设计于工具柄 1与工具 头 2之间， 并隐藏于工具柄 1与工具头 2内， 而不会有现有技术定位卡固的 齿形结构外露于工具外， 借此达到改善现有技术有结构外露不美观的目的， 进而提髙客户购买的意愿。
本发明工具的枢轴定位结构其组件简单， 不仅各组件可使用模制方式而 易于各构件的制造， 同时于也有助于组装作业， 不必像现有技术手工具需经 过加工孔、 洞等工序， 得以减少制造成本支出。 此外， 工具头 2与工具柄呈 锁定状态时， 由于中央齿轮 32、 侧向齿轮 33与中央齿轮孔 22、 内环齿 112、 122 相互啮合， 彼此的齿面相互啮合， 而具有定位、 锁定效果佳。 此外， 当 使用者单手握持工具柄 1 时， 可轻易使用拇指按压按钮 35达到工作头解除 锁定效果， 而借由弹簧 36 推抵复位并恢复锁定状态， 因此具有易于单手操 作锁定作业效果。
由上所述者仅用以解释本发明的较佳实施例， 并非企图具以对本发明作 任何形式上的限制， 因此， 凡有在相同的发明精神下所做有关本发明的任何 修饰或变更者， 都仍应包括在本发明意图保护的范畴内。
综上所述， 本发明工具的枢轴定位结构其实用性及成本效益上， 确实是 完全符合产业上发展所需， 且所揭露的结构发明也是具有前所未有的创新构 造。

Claims

权利要求书
1 . 一种工具的枢轴定位结构， 其包括：
一工具柄， 其一端设有二相对支臂， 且各支臂都设有一侧孔， 并于二侧 孔相对孔端各设有一内环齿；
一工具头， 其一端对应该二支臂之间设有一枢转部， 且该枢转部设有一 与二侧孔相对的中央齿轮孔；
以及一枢轴组穿枢于侧孔与中央齿轮孔， 该枢轴组包括有一枢轴以及间 隔套设固定于枢轴的一中央齿轮、 一侧向齿轮， 而工具头相对工具柄呈锁定 状态时， 该中央齿轮啮合于中央齿轮孔与其中一内环齿之间， 而侧向齿轮啮 合于中央齿轮孔与另一内环齿之间；
如此， 按压枢轴同步操控中央齿轮与侧向齿轮轴向位移， 该中央齿轮啮 合于中央齿轮孔内， 而侧向齿轮脱离中央齿轮孔以及内环齿， 借此工具头以 枢轴相对工具柄转动至适当角度。
2 . 如权利要求 1所述的工具的枢轴定位结构， 该枢轴组进一步包括有一挡 片、 一按钮以及一弹簧， 该挡片固设于枢轴一端并位于其中一支臂外侧， 而 按钮设于该枢轴另一端， 并位于另一支臂外侧， 该弹簧套设于枢轴且弹抵于 按钮与侧孔之间， 以该弹簧推抵枢轴并同步带动中央齿轮与侧向齿轮复位。
PCT/CN2011/070839 2011-01-31 2011-01-31 工具的枢轴定位结构 WO2012103677A1 (zh)

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DE112011104808T DE112011104808T5 (de) 2011-01-31 2011-01-31 Drehgelenkiger Aufbau eines Werkzeuges
US13/989,801 US20130305887A1 (en) 2011-01-31 2011-01-31 Pivoting structure of a tool

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