会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明专利
    • Power tool and fan for power tool
    • 电动工具电动工具和风扇
    • JP2007320257A
    • 2007-12-13
    • JP2006155084
    • 2006-06-02
    • Hitachi Koki Co Ltd日立工機株式会社
    • NISHIKAWA TOMOMASAONOSE AKIRAUCHIDA HIROKI
    • B27C5/10
    • PROBLEM TO BE SOLVED: To provide a power tool and a fan for a power tool, wherein vibration upon cutting and noise by vibration can be suppressed.
      SOLUTION: The device comprises hub 9 set forth in a motor axis, a plural of wings 10 overstretching to an outer direction of a radius of the hub 9, a connection part 4 wherein a spindle part defined as 4a is set forth on a whole under connecting in a ring state to the position against the plural of wings 10, a ring state resin 21 having different Young's modulus from that of the spindle 4a which is fit pressed into ring shaped ditches set forth in the spindle 4a. The spindle 4a is positioned in the place most far from a rotating center of an armature axis 8, by which inertial moment of a cooling fan can be increased. Further, a ring shaped resin 21 having different modulus from the spindle 4a is fit pressed into a part of the ring shaped spindle 4a in the ring shaped connection part 4.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于电动工具的电动工具和风扇,其中可以抑制在切割时的振动和通过振动的噪声。 解决方案:该装置包括在马达轴线上列出的轮毂9,多个翼片10,其沿着轮毂9的半径的外侧方向延伸;连接部分4,其中定义为4a的主轴部分设置在 整体在环状状态下连接到与多个翼10相对的位置,环状树脂21的杨氏模量与主轴4a的杨氏模量不同,所述环状树脂21被配合成压入形成在心轴4a中的环形沟槽中。 主轴4a位于最靠近电枢轴线8的旋转中心的位置,由此可以增加冷却风扇的惯性力矩。 此外,将具有与主轴4a不同的模量的环形树脂21压入环形连接部分4中的环形心轴4a的一部分。版权所有(C)2008,JPO&INPIT
    • 3. 发明专利
    • Router
    • 路由器
    • JP2006326932A
    • 2006-12-07
    • JP2005151351
    • 2005-05-24
    • Hitachi Koki Co Ltd日立工機株式会社
    • UCHIDA HIROKIONOSE AKIRA
    • B27C5/10
    • PROBLEM TO BE SOLVED: To provide a router capable of preventing the accumulation of a cut powder in the space demarcated by the inner peripheral surface of a dust guide even in a case that a dust collector is not used. SOLUTION: The dust guide 176 provided to the base 110 of the router 101 has an almost cylindrical shape part 176A and a discharge port 176B. A first wall part 176G and a second wall part 176H are provided to the inner peripheral surface of the almost cylindrical shape part 176A. The first wall part 176G is inclined toward one peripheral direction of the inner peripheral surface of the dust guide 176 from the upper end part in the axial direction of the inner peripheral surface to the lower end part in the axial direction of the inner peripheral surface. The second wall part 176H is inclined toward one peripheral direction of the inner peripheral surface of the dust guide 176 and the outside in the radial direction of the inner peripheral surface thereof from the upper end part in the axial direction of the inner peripheral surface 176C to the lower end part in the axial direction of the inner peripheral surface. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够防止在不使用集尘器的情况下由粉尘引导器的内周面划分的空间中积聚切割粉末的路由器。 解决方案:设置在路由器101的基座110上的防尘引导件176具有大致圆筒状的部分176A和排出口176B。 第一壁部176G和第二壁部176H设置在大致圆筒状的部分176A的内周面上。 第一壁部176G从内周面的轴线方向的上端部到内侧面的下端部的内周面的内周面的一个周向倾斜。 第二壁部176H从内端面176C的轴向的上端部沿着内部引导件176的内周面的一个周向方向和内周面的内周面的径向外侧倾斜, 内周面的轴向的下端部。 版权所有(C)2007,JPO&INPIT
    • 4. 发明专利
    • Electric tool
    • 电动工具
    • JP2013188850A
    • 2013-09-26
    • JP2012058034
    • 2012-03-14
    • Hitachi Koki Co Ltd日立工機株式会社
    • TAKANO NOBUHIROHARADA TETSUSUKEIIMURA YOSHIONISHIKAWA TOMOMASAUCHIDA HIROKINAKANO YOSHIHIRO
    • B25F5/00
    • H02P6/08B25B21/02B25F5/00B25F5/008H02P27/08H02P29/0241H02P29/60H02P29/68
    • PROBLEM TO BE SOLVED: To protect a motor or a control circuit from thermal damage by preventing the sudden increase of the motor immediately after replacement of a battery in an electric tool during continuous high-load work.SOLUTION: An electric tool includes: a removable battery; a brushless motor; a control means for controlling rotation of the brushless motor by an inverter circuit. The electric tool further includes: a temperature detecting means for detecting a temperature of a brushless motor or a temperature of an inverter circuit, and a voltage detection means for detecting a voltage of a battery. The brushless motor is driven on the basis of a determination of a duty ratio of PWM drive signal in relation to the detected temperature and the detected voltage. The control means performs control to lower the duty ratio 54 of the PWM signal when a battery voltage 53 is high immediately after battery replacement (arrows 54a and 54b), and to increase the duty ratio 54 as the battery voltage 53 is lowering.
    • 要解决的问题:通过在连续高负载工作期间更换电动工具中的电池后立即防止电机突然增加,来保护电机或控制电路免受热损伤。解决方案:电动工具包括:可拆卸的 电池; 无刷电机; 用于通过逆变器电路控制无刷电动机的旋转的控制装置。 电动工具还包括:用于检测无刷电动机的温度的温度检测装置或逆变器电路的温度,以及用于检测电池电压的电压检测装置。 基于PWM驱动信号的占空比相对于检测到的温度和检测到的电压来确定无刷电动机。 当电池更换后的电池电压53为高电平(箭头54a和54b)时,控制装置执行控制以降低PWM信号的占空比54,并且随着电池电压53降低而增加占空比54。
    • 5. 发明专利
    • Power tool
    • 电动工具
    • JP2013075351A
    • 2013-04-25
    • JP2011217644
    • 2011-09-30
    • Hitachi Koki Co Ltd日立工機株式会社
    • ITO MINORUNISHIKAWA TOMOMASAHARADA TETSUSUKENAKANO YOSHIHIROUCHIDA HIROKIHOSHI TOMOYUKI
    • B25F5/02B25F5/00
    • B25F5/008H02K5/10
    • PROBLEM TO BE SOLVED: To provide a power tool for preventing the entrance of a foreign matter, water and the like through an air hole as much as possible.SOLUTION: An exhaust port 22 is covered with a cover 70 to prevent the entrance of the foreign matter into a housing 2. The cover 70 is fixed to the housing 2 by screwing screws into screw holes of the cover 70. By loosening the screws, the cover 70 can be easily removed from the housing 2. A first through-hole 70b penetrating a main wall 71 is formed at a part of the main wall 71 and being a front part of the screw holes. Second through-holes 70c are formed at a part of the cover 70 and being the part closest to the front end, a part of the cover 70 and being an end portion in the extended direction of a handle, and a part of the cover 70 and being an end portion in a direction opposite to the extended direction of the handle.
    • 要解决的问题:提供用于防止异物,水等通过气孔尽可能地进入的电动工具。

      解决方案:排气口22被盖70覆盖以防止异物进入壳体2.盖70通过将螺钉拧入盖70的螺钉孔而固定到壳体2上。通过松开 螺钉,盖70可以容易地从壳体2移除。穿过主壁71的第一通孔70b形成在主壁71的一部分处,并且是螺钉孔的前部。 第二通孔70c形成在盖70的一部分处,并且是最靠近前端的部分,盖70的一部分并且在手柄的延伸方向上是端部,并且盖70的一部分 并且是与手柄的延伸方向相反的方向的端部。 版权所有(C)2013,JPO&INPIT

    • 8. 发明专利
    • Router
    • 路由器
    • JP2006326933A
    • 2006-12-07
    • JP2005151352
    • 2005-05-24
    • Hitachi Koki Co Ltd日立工機株式会社
    • UCHIDA HIROKIONOSE AKIRA
    • B27C5/10
    • PROBLEM TO BE SOLVED: To provide a router easy to adjust the rotational speed of an edge tool in a state where a handle remains grasped by a worker. SOLUTION: Handles 130E and 130E are provided to the main body protruding parts 130F and 130F protruded from a main body so as to be made revolvable with respect to the main body protruding parts 130F and 130F. A speed variable dial 130I, which is constituted of a variable resistor capable of adjusting the rotational speed of a motor 131, is provided at the position of the handle 130E capable of being operated by the thumb of the worker when the handles 130E are grasped by the hand of the worker. The greater part of the speed variable dial 130I is housed in the handles 130E and only a part of the peripheral surface thereof is exposed to the outside of the handles 130E. The part of the speed variable dial 130I exposed to the outside is inwardly positioned from the contours of the outer shapes of the handles 130E and not protruded from the contours of the outer shapes of the handles 130E. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种在手柄被工作者握持的状态下容易调节边缘工具的旋转速度的路由器。 解决方案:手柄130E和130E设置到从主体突出的主体突出部分130F和130F,以便相对于主体突出部分130F和130F可旋转。 由手柄130E的转动速度可调的可变电阻器构成的速度可变拨盘130I设置在手柄130E的位置,当把手130E被 工人的手。 速度可变拨盘130I的大部分被容纳在手柄130E中,并且其外周表面的一部分仅暴露于手柄130E的外部。 暴露于外部的速度可变刻度盘130I的部分从手柄130E的外形的轮廓向内定位,并且不从手柄130E的外形的轮廓突出。 版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • Impact tool
    • IMPACT工具
    • JP2014176952A
    • 2014-09-25
    • JP2013204134
    • 2013-09-30
    • Hitachi Koki Co Ltd日立工機株式会社
    • UCHIDA HIROKINAKANO YOSHIHIROKOMURO YOSHIHIROHARADA TETSUSUKETANIMOTO HIDEYUKINISHIKAWA TOMOMASA
    • B25B21/02
    • PROBLEM TO BE SOLVED: To provide an impact tool capable of reducing whole length of an anvil and capable of achieving down-sizing.SOLUTION: An anvil 52 is supported by a spindle 41 so as to rotate coaxially by fitting of a fitting hole 41c formed on a front end of the spindle 41 and a fitting shaft 52b formed in a projecting manner on a rear end of the anvil 52. On a metal 54, a ring-shaped inner peripheral oil groove 54e is formed on a slide surface between the anvil 52 and the metal 54, and an oil supply passage (a collar part oil groove 53d of a hammer case 53, an outer peripheral oil groove 54e of the metal 54, and an oil hole 54f) for supplying grease from the rear end side of the metal 54 to an inner peripheral oil groove 54c is also formed.
    • 要解决的问题:提供一种能够减小砧座的整个长度并能够实现小型化的冲击工具。解决方案:砧座52由心轴41支撑,以便通过形成的装配孔41c的装配同轴地旋转 在主轴41的前端上以突出的方式形成在砧座52的后端上的装配轴52b。在金属54上,环形内周油槽54e形成在砧座之间的滑动面上 52和金属54,以及用于从后端侧供给润滑脂的供油通路(锤壳53的轴环部分油槽53d,金属54的外周油槽54e和油孔54f) 金属54也形成在内周油槽54c上。
    • 10. 发明专利
    • Impact tool
    • IMPACT工具
    • JP2014151421A
    • 2014-08-25
    • JP2013025471
    • 2013-02-13
    • Hitachi Koki Co Ltd日立工機株式会社
    • UCHIDA HIROKINAKANO YOSHIHIROKOMURO YOSHIHIROHARADA TETSUSUKETANIMOTO HIDEYUKI
    • B25B21/02
    • PROBLEM TO BE SOLVED: To provide an impact tool capable of shortening the full length of an anvil and being downsized.SOLUTION: An impact driver 1 includes: a spindle 41 rotated by a motor 3; a hammer 51 supported by the spindle 41 so as to be movable in a front-to-back direction; an anvil 52 supported so as to be rotatable substantially coaxially with respect to the spindle 41, and provided with an attachment hole 52a, at a front end, into which a tip tool is attached; and an impact mechanism 5 for transmitting rotation of the spindle 41 from a claw part 51a of the hammer 51 to a blade part 52c of the anvil 52, as rotary impact force. Fitting a fitting shaft 52b formed so as to protrude at a rear end of the anvil 52, into a fitting hole 41c formed at a front end of the spindle 41 makes the anvil 52 be supported by the spindle 41 so as to be rotatable substantially coaxially, and the front end of the spindle 41 is located ahead of a rear end of the blade part 52c of the anvil 52.
    • 要解决的问题:提供能够缩短砧座的全长并且被小型化的冲击工具。解决方案:冲击驱动器1包括:由电动机3旋转的主轴41; 由主轴41支撑以能够在前后方向上移动的锤51; 砧座52被支撑成可相对于主轴41基本上同轴地旋转,并且在前端设置有附接孔52a,尖端工具附接到该安装孔52a; 以及用于将心轴41的旋转从锤51的爪部51a传递到砧座52的刀片部52c的冲击机构5作为旋转冲击力。 将形成为在砧座52的后端突出的装配轴52b配合到形成在心轴41的前端的嵌合孔41c中,使得砧座52被主轴41支撑以能够大致同轴地旋转 并且心轴41的前端位于砧座52的叶片部分52c的后端的前方。