WO2009003323A1 - Mécanisme de serrage et outil électrique capable de relier des moyens auxiliaires - Google Patents

Mécanisme de serrage et outil électrique capable de relier des moyens auxiliaires Download PDF

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Publication number
WO2009003323A1
WO2009003323A1 PCT/CN2007/002595 CN2007002595W WO2009003323A1 WO 2009003323 A1 WO2009003323 A1 WO 2009003323A1 CN 2007002595 W CN2007002595 W CN 2007002595W WO 2009003323 A1 WO2009003323 A1 WO 2009003323A1
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WO
WIPO (PCT)
Prior art keywords
card slot
auxiliary tool
main body
power tool
drive shaft
Prior art date
Application number
PCT/CN2007/002595
Other languages
English (en)
French (fr)
Inventor
Canyao Guo
Original Assignee
Top Link Power Tools Factory
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 Top Link Power Tools Factory filed Critical Top Link Power Tools Factory
Publication of WO2009003323A1 publication Critical patent/WO2009003323A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F3/00Associations of tools for different working operations with one portable power-drive means; Adapters therefor

Definitions

  • the present invention relates to a power tool, and more particularly to an engaging mechanism and a power tool that uses the engaging mechanism to connect an auxiliary tool. Background technique
  • the technical problem to be solved by the present invention is to provide a clamping mechanism and a power tool using the same to connect an auxiliary tool, which overcomes the complicated structure of the existing connecting mechanism connecting the power tool and the auxiliary tool or A defect that the power tool and the auxiliary tool cannot be firmly connected.
  • a locking mechanism comprising a screwing cover and at least one card slot, wherein the edge of the card slot forms a first card slot edge sequentially connected,
  • the second card slot edge, the third card slot edge, the first card slot edge, the second card slot edge, and the third card slot edge enclose a notched square or rectangle, at the first card slot edge and the third card slot edge
  • a limiting protrusion is disposed adjacent to the notch in the middle, and the limiting protrusion is closed near an end of the notch and the first card slot side or the third card slot side a first position is formed between the limiting protrusion and the first card slot edge, a second position is formed between the limiting protrusion and the third card slot edge, and at least one inner side of the screwing cover is disposed
  • the elastic member is provided with at least one engaging buckle corresponding to the card slot at an inner circumference of the screw cap, and the end of the limiting bump close to the notch is closedly connected with the third card
  • a power tool for connecting an auxiliary tool comprising a main body and an auxiliary tool, the main body comprising a fuselage and a motor located inside the fuselage, wherein a driving shaft of the motor passes through a front end of the fuselage, and a peripheral edge of the front end of the fuselage Providing at least one of the card slots, the screw cap is disposed at an end of the auxiliary tool connected to the main body, the drive shaft passes through the screw cap, the main body and the auxiliary tool Connected by the engagement mechanism.
  • a further optimization of the power tool of the connection aid is: providing a spacer before the end of the elastic member facing the main body.
  • a further optimization of the power tool connecting the auxiliary tool is to sleeve a drive shaft on the drive shaft, the drive shaft passing through the washer and the screw cap.
  • a further optimization of the power tool connecting the auxiliary tool is: providing a gear reduction mechanism between the drive shaft and the drive shaft.
  • a further optimization of the power tool of the connection aid is described as: a sleeve is sleeved on the drive shaft.
  • a further optimization of the power tool of the connection aid is: a fastening device is arranged between the main body and the auxiliary tool. The fastening device includes a groove at a front end of the screw cap, a latch on the main body and corresponding to the groove, and a second elastic member on the main body and against the pin.
  • the power tool connecting the auxiliary tool, wherein the main body is set as an electric screwdriver or an electric drill.
  • the power tool connected to the auxiliary tool, wherein the auxiliary tool is set as a chuck or an electric pick.
  • the power tool for connecting the auxiliary tool, wherein the auxiliary tool is set as a polishing machine or a sander.
  • the power tool connecting the auxiliary tool, wherein the auxiliary tool is set as a puncher.
  • the electric tool for connecting the auxiliary tool, wherein the puncher is set as a straight saw or a jig saw.
  • FIG. 1 is a schematic structural view of a split part of the engaging mechanism of the present invention
  • FIG. 2 is a schematic view showing the structure of the first type of card slot of the present invention.
  • Figure 3 is a schematic view showing the structure of the second card slot of the present invention.
  • Figure 4 is a schematic structural view of the engaging mechanism of the present invention
  • Figure 5 is a schematic view showing the structure of the electric screwdriver of the connecting chuck of the utility model
  • Figure 6 is a schematic view of the electric screwdriver of the connecting clip of the present invention connected by the engaging mechanism;
  • Figure 7 is a schematic view of the electric tool with the locking device of the present invention;
  • Figure 8 is a schematic view of the electric tool of the connection grinding machine of the utility model
  • FIG. 9 is a schematic view of a power tool for connecting a jig saw according to the present invention.
  • the engaging mechanism of the present invention comprises a screwing cover 3 and at least one card slot 9a, and the first card slot side is sequentially connected at the edge of the card slot 9a.
  • the second card slot side 11, the third card slot side 12, the first card slot side 10, the second card slot side 11, the third card slot side 12 encloses a notched square or rectangle, in the first card slot
  • a limiting protrusion 13 is disposed adjacent to the notch in the middle of the edge 10 and the third card slot 12, and the end of the limiting protrusion 13 is close to the first card slot 10 or the third card slot 12
  • a first position 14 is formed between the limiting protrusion 13 and the first card slot 10
  • a second position 15 is formed between the limiting protrusion 13 and the third card slot 12, and at least one inner side of the screwing cover 3 is disposed.
  • the elastic member 4 is provided with at least one engaging buckle 3a corresponding to the slot 9a at the inner peripheral edge of the screwing cover 3, and the end of the limiting protrusion 13 adjacent to the notch is closedly connected with the third card slot 12
  • the engaging clasp 3a enters the card slot 9a from the first position 14, it rotates clockwise and stays in the second position 15;
  • the utility model relates to a power tool for connecting an auxiliary tool, comprising a main body body and an auxiliary tool (shown as a clip in FIG. 1)
  • the head 1) the main body includes a fuselage 9 and a motor (not shown in FIG. 1) inside the fuselage, the drive shaft 8 of the motor passes through the front end of the fuselage 9, and at least one outer peripheral edge of the front end of the fuselage 9 is disposed.
  • the card slot 9a is provided with a screw cap 3 at one end of the auxiliary tool connected to the main body, and the drive shaft 8 of the motor passes through the screw cap 3, so that the main body and the auxiliary tool can be connected by the engaging mechanism of the present invention.
  • the power tool for connecting the auxiliary tool of the present invention can be further optimized: a spacer 5 is disposed in front of one end of the elastic member 4 facing the main body.
  • the drive shaft 2 is sleeved on the drive shaft 8, and the drive shaft 2 passes through the washer 5 and the screw cap 3.
  • the sleeve 6 is sleeved on the drive shaft 8.
  • a gear reduction mechanism may also be provided between the drive shaft 2 and the drive shaft 8.
  • the drive shaft 8 is connected to the bit 7.
  • a specific embodiment of the power tool for connecting the auxiliary tool of the present invention is an electric screwdriver for connecting the chuck 1 , and the driving shaft 8 of the electric screwdriver has output power, and drives the transmission shaft 2 to rotate.
  • the fuselage 9 and the collet 1 are connected by the engaging mechanism of the present invention. After the collet 1 is connected to the body 9 and rotated, the engaging clasp 3a of the corresponding portion of the cap 3 is screwed into the slot 9a and The card slot 9a limits the engaging knob 3a.
  • Each of the engaging buckles 3a corresponds to a card slot 9a, and a stopper 9b is disposed outside the card slot 9a to prevent the engaging cam 3a from sliding out of the slot 9a.
  • a spring 4 is disposed inside the screwing cover 3, and an axial force is required to be applied to the transmission shaft 2, so that the engaging knob 3a can be inserted into the corresponding slot 9a, and the engaging knob 3a and the slot 9a can be matched. After a slight rotation, the collet 1 and the body 9 can be locked. After the axial force is applied, the tension of the spring 4 causes the engaging clasp 3a to abut against the outer wall of the inner portion of the card slot 9a, thereby forming a more secure locking clip. Head 1 and body 9.
  • a fastening device is disposed between the main body and the auxiliary tool of the present invention, and the fastening device includes a groove at the front end of the screwing cover 3, and is located on the main body and opposite to the concave body.
  • a corresponding latch 16 of the slot and a second resilient member 17 on the main body and against the latch 16 are provided.
  • the power tool for connecting the auxiliary tool of the present invention can be set as an electric screwdriver or an electric drill; the auxiliary tool can be set as a chuck or an electric shovel; and the auxiliary tool can also be set as a polishing machine or a sander; The auxiliary tool can also be set as a puncher, specifically a wire saw or a jig saw.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Power Tools In General (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Description

一种卡合机构及连接辅助工具的电动工具 技术领域 本实用新型涉及电动工具, 具体涉及一种卡合机构及使用该卡合机构连接辅助 工具的电动工具。 背景技术
电动工具领域已经发生了巨大变化,越来越多的电动工具制造商和 DIY工具爱 好者致力于研究实用的、 多用途的电动工具。 人们想尽办法来从工具重量、 操作简 便性、 一机多用等方面对现有的电动工具进行变革和优化, 相应的技术方案从出不 穷, 令人眼花缭乱。
人们已经意识到利用一个专门工具来完成一项特定的工程操作,往往会造成该 专门工具的 "利用不足", 因此对专门工具进行改造, 使其可连接其它的辅助工具, 从而减少整体的工具存贮空间, 降低平均的工具购买费用, 是许多电动工具制造商 孜孜以求的目标。
现有技术中通过一定的连接机构将电动工具和辅助工具连接在一起的技术方 案为数不少, 但其中的连接机构或者结构复杂, 使其机械加工成型或者模具成型耗 时费力,如专利 ZL98118578.9附图 5展示的那样; 或者不能使电动工具和辅助工具 牢固连接, 这就很容易造成伤害事故的发生; 因此现有技术的连接机构亟待改进。 实用新型内容 本实用新型要解决的技术问题是提供一种卡合机构及使用该卡合机构连接辅 助工具的电动工具, 克服现有的将电动工具和辅助工具连接在一起的连接机构结构 复杂或者不能使电动工具和辅助工具牢固连接的缺陷。 本实用新型为解决上述技术问题所釆用的技术方案为- 一种卡合机构,包括旋紧盖和至少一个卡槽,所述卡槽的边缘处形成依次连接 的第一卡槽边、 第二卡槽边、.第三卡槽边, 第一卡槽边、 第二卡槽边、 第三卡槽边 围成带缺口的正方形或长方形, 在第一卡槽边和第三卡槽边中间靠近所述缺口处设 置限位凸块, 所述限位凸块靠近所述缺口的一端与第一卡槽边或者第三卡槽边封闭 连接, 所述限位凸块与第一卡槽边之间形成第一位置, 所述限位凸块与第三卡槽边 之间形成第二位置, 所述旋紧盖内侧设置有至少一个弹性部件, 在所述旋紧盖的内 周沿处设置至少一个与所述卡槽相应的卡合凸扣, 当所述限位凸块靠近所述缺口的 一端与第三卡槽边封闭连接时, 所述卡合凸扣由第一位置进入所述卡槽, 顺时针旋 转后停留在第二位置; 当所述限位凸块靠近所述缺口的一端与第一卡槽边封闭连接 时, 所述卡合凸扣由第二位置进入所述卡槽, 逆时针旋转后停留在第一位置。 一种连接辅助工具的电动工具, 包括主机体和辅助工具, 所述主机体包括机身 和位于机身内部的电机, 电机的主动轴穿过机身前端, 在所述机身前端的外周沿处 设置至少一个所述卡槽,在所述辅助工具与所述主机体连接的一端设置所述旋紧盖, 所述主动轴穿过所述旋紧盖, 所述主机体和所述辅助工具通过所述卡合机构连接。 所述的连接辅助工具的电动工具的进一步优化是: 在所述弹性部件朝向所述主 机体的一端前设置垫片。 所述的连接辅助工具的电动工具的进一步优化是:在所述主动轴上套接传动轴, 所述传动轴穿过所述垫片和所述旋紧盖。 所述的连接辅助工具的电动工具的进一步优化是: 在所述传动轴与所述主动轴 之间设置齿轮减速机构。 ' 所述的连接辅助工具的电动工具的进一步优化是: 在所述传动轴上套接轴套。 所述的连接辅助工具的电动工具的进一步优化是: 所述主机体和所述辅助工具 之间设置紧固装置。 所述紧固装置包括位于所述旋紧盖前端的凹槽、 位于所述主机体上且与所述凹 槽相应的插销以及位于所述主机体上且抵住所述插销的第二弹性部件。 所述的连接辅助工具的电动工具, 其中所述主机体设为电动螺丝批或电钻。 所述的连接辅助工具的电动工具, 其中所述辅助工具设为夹头或电锉。 所述的连接辅助工具的电动工具, 其中所洚辅助工具设为抛光机或打磨器。 所述的连接辅助工具的电动工具, 其中所述辅助工具设为冲切器。 所述的连接辅助工具的电动工具, 其中所述冲切器设为直线锯或曲线锯。 本实用新型的有益效果为: 由于本实用新型在对电动工具和辅助工具进行连接 时, 使用了一种巧妙的卡合机构, 该卡合机构结构简单、 合理, 使用者可以很轻松 地将电动工具和辅助工具牢固地连接在一起, 因此降低了制造成本, 避免了伤害事 故的发生。 附图说明 本实用新型包括如下附图- 图 1为本实用新型卡合机构的分拆零件结构示意图;
图 2为本实用新型第一种卡槽结构示意图;
图 3为本实用新型第二种卡槽结构示意图;
图 4为本实用新型卡合机构结构示意图; ' 图 5为本实用新型连接夹头的电动螺丝批分拆结构示意图;
图 6为本实用新型连接夹头的电动螺丝批通过卡合机构连接后的示意图; 图 7为本实用新型带锁紧装置的电动工具示意图;
图 8为本实用新型连接打磨机的电动工具示意图;
图 9为本实用新型连接曲线锯的电动工具示意图。 具体实施方式 下面根据附图和实施例对本实用新型作进一步详细说明:
如图 1、 图 2、 图 3和图 4所示, 本实用新型的卡合机构, 包括旋紧盖 3和至少 一个卡槽 9a, 卡槽 9a的边缘处形成依次连接的第一卡槽边 10、 第二卡槽边 11、 第 三卡槽边 12, 第一卡槽边 10、 第二卡槽边 11、 第三卡槽边 12围成带缺口的正方形 或长方形,在第一卡槽边 10和第三卡槽边 12中间靠近所述缺口处设置限位凸块 13, 限位凸块 13靠近所述缺口的.一端与第一卡槽边 10或者第三卡槽边 12封闭连接,限 位凸块 13与第一卡槽边 10之间形成第一位置 14, 限位凸块 13与第三卡槽边 12之 间形成第二位置 15, 旋紧盖 3内侧设置有至少一个弹性部件 4, 在旋紧盖 3的内周 沿处设置至少一个与卡槽 9a相应的卡合凸扣 3a, 当限位凸块 13靠近所述缺口的一 端与第三卡槽边 12封闭连接时,卡合凸扣 3a由第一位置 14进入卡槽 9a,顺时针旋 转后停留在第二位置 15; 当限位凸块 13靠近所述缺口的一端与第一卡槽边 10封闭 连接时,卡合凸扣 3a由第二位置 15进入卡槽 9a,逆时针旋转后停留在第一位置 14。
本实用新型连接辅助工具的电动工具, 包括主机体和辅助工具 (图 1所示为夹 头 1 ), 主机体包括机身 9和位于机身内部的电机(图 1中未示出), 电机的主动轴 8 穿过机身 9前端, 在机身 9前端的外周沿处设置至少一个卡槽 9a, 在辅助工具与主 机体连接的一端设置旋紧盖 3, 电机的主动轴 8穿过旋紧盖 3,这样主机体和辅助工 具就可以通过本实用新型的卡合机构连接。 对本实用新型连接辅助工具的电动工具 可以作进一步的优化: 在弹性部件 4朝向主机体的一端前设置垫片 5。 在主动轴 8 上套接传动轴 2, 传动轴 2穿过垫片 5和旋紧盖 3。 在传动轴 8上套接轴套 6。 在传 动轴 2与主动轴 8之间还可以设置齿轮减速机构。 主动轴 8连接批头 7。
如图 5和图 6所示, 本实用新型连接辅助工具的电动工具的一个具体实施例是 连接夹头 1的电动螺丝批, 电动螺丝批的主动轴 8输出动力.,并带动传动轴 2旋转, 机身 9与夹头 1通过本实用新型卡合机构连接,在将夹头 1套接传机身 9并旋转后, 旋紧盖 3相应部位的卡合凸扣 3a进入卡槽 9a并由卡槽 9a对卡合凸扣 3a进行限位。 每个卡合凸扣 3a对应一个卡槽 9a, 卡槽 9a外侧设置有挡块 9b, 可以防止卡合凸扣 3a滑出卡槽 9a。 在旋紧盖 3内部设置有弹簧 4, 需要向传动轴 2施加轴向力, 才可 以将卡合凸扣 3a顶入与之对应的卡槽 9a内, 卡合凸扣 3a和卡槽 9a配合后稍微旋 转, 可以将夹头 1与机身 9锁紧, 施加轴向力完毕后, 弹簧 4的张力使卡合凸扣 3a 靠紧卡槽 9a内部的外壁, 从而更为牢固的锁紧夹头 1与机身 9。
如图 7所示, 本实用新型主机体和辅助工具之间设置紧固装置, 所述紧固装置 包括位于所述旋紧盖 3前端的凹槽、位于所述主机体上且与所述凹槽相应的插销 16 以及位于所述主机体上且抵住插销 16的第二弹性部件 17。 当本实用新型卡合机构 将本实用新型主机体和辅助工具连接固定后, 插销 16 的前端恰好可以进入所述凹 槽, 此时第二弹性部件 17抵'住插销 16, 使旋紧盖 3不会因震动等原因产生位移, 这样使本实用新型卡合机构更加牢固地锁紧本实用新型主机体和辅助工具, 当需要 分离本实用新型主机体和辅助工具时,先将插销 16的前端移离所述凹槽,然后才能 使旋紧盖 3反方向旋转后脱离本实用新型主机体。
如图 8和图 9所示, 本实用新型连接辅助工具的电动工具可设为电动螺丝批或 电钻; 辅助工具可设为夹头或电锉; 辅助工具还可设为抛光机或打磨器; 辅助工具 还可设为冲切器, 具体可以是直线锯或曲线锯。
本领域技术人员不脱离本实用新型的实质和精神,可以有多种变形方案实现本 实用新型, 以上所述仅为本实用新型较佳可行的实施例而已, 并非因此局限本实用 新型的权利范围, 凡运用本实用新型说明书及附图内容所作的等效结构变化, 均包 含于本实用新型的权利范围之内

Claims

权利要求书
1、 一种卡合机构, 包括旋紧盖和至少一个卡槽, 其特征在于: 所述卡槽的边 缘处形成依次连接的第一卡槽边、 第二卡槽边、 第三卡槽边, 第一卡槽边、 第二卡 槽边、 第三卡槽边围成带缺口的正方形或长方形, 在第一卡槽边和第三卡槽边中间 靠近所述缺口处设置限位凸块, 所述限位凸块靠近所述缺口的一端与第一卡槽边或 者第三卡槽边封闭连接, 所述限位凸块与第一卡槽边之间形成第一位置, 所述限位 凸块与第三卡槽边之间形成第二位置, 所述旋紧盖内侧设置有至少一个弹性部件, 在所述旋紧盖的内周沿处设置至少一个与所述卡槽相应的卡合凸扣, 当所述限位凸 块靠近所述缺口的一端与第三卡槽边封闭连接时, 所述卡合凸扣由第一位置进入所 述卡槽, 顺时针旋转后停留在第二位置; 当所述限位凸块靠近所述缺口的一端与第 一卡槽边封闭连接时, 所述卡合凸扣由第二位置进入所述卡槽, 逆时针旋转后停留 在第一位置。 '
2、一种连接辅助工具的电动工具, 包括主机体和辅助工具, 所述主机体包括机 身和位于机身内部的电机, 电机的主动轴穿过机身前端, 其特征在于: 在所述机身 前端的外周沿处设置至少一个所述卡槽, 在所述辅助工具与所述主机体连接的一端 设置所述旋紧盖, 所述主动轴穿过所述旋紧盖, 所述主机体和所述辅助工具通过所 述卡合机构连接。
3、根据权利要求 2所述的连接辅助工具的电动工具, 其特征在于: 在所述弹性 部件朝向所述主机体的一端前设置垫片。
4、根据权利要求 3所述的连接辅助工具的电动工具, 其特征在于: 在所述主动 轴上套接传动轴, 所述传动轴穿过所述垫片和所述旋紧盖。
5、根据权利要求 4所述的连接辅助工具的电动工具, 其特征在于: 在所述传动 轴与所述主动轴之间设置齿轮减速机构。
6、根据权利要求 5所述的连接辅助工具的电动工具, 其特征在于: 在所述传动 轴上套接轴套。
7、根据权利要求 6所述的连接辅助工具的电动工具, 其特征在于: 所述主机体 和所述辅助工具之间设置紧固装置。
8、根据权利要求 7所述的连接辅助工具的电动工具, 其特征在于: 所述紧固装 置包括位于所述旋紧盖前端的凹槽、 位于所述主机体上且与所述凹槽相应的插销以 及位于所述主 Ϊ几体上且抵住所述插销的第二弹性部件。
9、根据权利要求 8所述的连接辅助工具的电动工具, 其特征在于: 所述弹性部 件设为弹簧, 第二弹性部件设为弹簧。
10、 根据权利要求 2至 9任一所述的连接辅助工具的电动工具, 其特征在于: 所述主机体设为电动螺丝批或电钻。
11、根据权利要求 10所述的连接辅助工具的电动工具, 其特征在于: 所述辅助 工具设为夹头、 电锉、 抛光机、 打磨器、 冲切器。
PCT/CN2007/002595 2007-07-02 2007-08-29 Mécanisme de serrage et outil électrique capable de relier des moyens auxiliaires WO2009003323A1 (fr)

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CN104416543B (zh) * 2013-08-23 2016-08-10 苏州宝时得电动工具有限公司 电动工具端头连接附件和电动工具
CN107951528A (zh) * 2017-12-25 2018-04-24 芜湖锐进医疗设备有限公司 带有万向结构的医用摆锯
CN216152272U (zh) * 2021-08-31 2022-04-01 张勇 一种电动工具转换头的锁紧装置及电动工具

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US3724237A (en) * 1971-06-07 1973-04-03 Black & Decker Mfg Co Attachment coupling for power tool
CN2166927Y (zh) * 1993-07-29 1994-06-01 工丰企业股份有限公司 电动工具组
US6401837B1 (en) * 1999-09-01 2002-06-11 Shanghai Xing Te Hao Industrial Co., Ltd. Charging type multipurpose combination tool
CN2823807Y (zh) * 2005-09-19 2006-10-04 许珍苹 灯罩连接结构
DE202006006340U1 (de) * 2006-04-19 2006-07-13 Barder, Saveliy, Dipl.-Ing. Werkzeugadapter

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