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1. WO2016127930 - POWER TOOL

Publication Number WO/2016/127930
Publication Date 18.08.2016
International Application No. PCT/CN2016/073681
International Filing Date 05.02.2016
IPC
B25F 5/02 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
FCOMBINATION 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
5Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
02Construction of casings, bodies or handles
CPC
B25F 5/006
BPERFORMING OPERATIONS; TRANSPORTING
25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
FCOMBINATION 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
5Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
006Vibration damping means
B25F 5/02
BPERFORMING OPERATIONS; TRANSPORTING
25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
FCOMBINATION 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
5Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
02Construction of casings, bodies or handles
Applicants
  • 苏州宝时得电动工具有限公司 POSITEC POWER TOOLS (SUZHOU) CO., LTD [CN]/[CN]
Inventors
  • 钟红风 ZHONG, Hongfeng
  • 庞晓丽 PANG, Xiaoli
  • 吴宇 WU, Yu
  • 徐静涛 XU, Jingtao
  • 马一纯 MA, Yichun
Agents
  • 上海翼胜专利商标事务所(普通合伙) SHANGHAI ESSEN PATENT & TRADEMARK AGENCY
Priority Data
201510511333.519.08.2015CN
201510779992.716.11.2015CN
201520111606.215.02.2015CN
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) POWER TOOL
(FR) OUTIL ÉLECTRIQUE
(ZH) 动力工具
Abstract
(EN) Disclosed is a power tool, comprising a shell, a motor (20, 320) received in the shell, and an output shaft (22, 322, 522, 622) driven by the motor (20, 320) and used to mount a working head, wherein the shell comprises a first head shell (591) and a second head shell (595), the first head shell (591) is used to receive part of the output shaft (22, 322, 522, 622), the maximum length of the first head shell (591) in the axial direction of the output shaft (22, 322, 522, 622) is L, the plane for defining the axis of the output shaft (22, 322, 522, 622) is a mid-plane, N vibration damping bodies (58, 258a-d, 358, 558, 658, 858) are arranged between the first head shell (591) and the second head shell (595) and are arranged on at least one side of the mid-plane, each of the vibration damping bodies (58, 258a-d, 358, 558, 658, 858) comprises a vibration damping portion, which is in contact with the first head shell (591) and the second head shell (595), and the sum of the length of N vibration damping portions in the axial direction of the output shaft (22, 322, 522, 622) is greater than or equal to 0.2 L and less than or equal to L. The structure of the power tool enables it to achieve a good vibration damping effect while the working efficiency is not affected.
(FR) L'invention concerne un outil électrique qui comporte une coque, un moteur (20, 320) reçu dans la coque et un arbre de sortie (22, 322, 522, 622) entraîné par le moteur (20, 320) et utilisé pour monter une tête de travail, la coque comportant une première coque de tête (591) et une seconde coque de tête (595), la première coque de tête (591) étant utilisée pour recevoir une partie de l'arbre de sortie (22, 322, 522, 622), la longueur maximale de la première coque de tête (591) dans la direction axiale de l'arbre de sortie (22, 322, 522, 622) étant L, le plan pour définir l'axe de l'arbre de sortie (22, 322, 522, 622) étant un plan médian, N corps d'amortissement de vibrations (58, 258a-d, 358, 558, 658, 858) étant agencés entre la première coque de tête (591) et la seconde coque de tête (595) et étant agencés sur au moins un côté du plan médian, chacun des corps d'amortissement de vibrations (58, 258a-d, 358, 558, 658, 858) comprenant une partie d'amortissement de vibrations, qui est en contact avec la première coque de tête (591) et la seconde coque de tête (595), et la somme de la longueur des N parties d'amortissement de vibrations dans la direction axiale de l'arbre de sortie (22, 322, 522, 622) étant supérieure ou égale à 0,2 L et inférieure ou égale à L. La structure de l'outil électrique lui permet d'obtenir un bon effet d'amortissement des vibrations, sans avoir d'incidence sur l'efficacité du travail.
(ZH) 一种动力工具,包括壳体、收容于壳体内的马达(20,320)、由马达(20,320)驱动并用于安装工作头的输出轴(22,322,522,622),壳体包括第一头壳(591)和第二头壳(595),第一头壳(591)用于收容部分输出轴(22,322,522,622),第一头壳(591)沿输出轴(22,322,522,622)的轴向的最大长度为L,定义输出轴(22,322,522,622)的轴线所在的平面为中间平面,第一头壳(591)和第二头壳(595)之间且在中间平面的至少一侧设有N个减振体(58,258a-d,358,558,658,858),每个减振体(58,258a-d,358,558,658,858)包括与第一头壳(591)和第二头壳(595)相接触的减振部, N个减振部沿输出轴(22,322,522,622)的轴向的长度之和大于等于0.2L,小于等于L。该动力工具的结构使得在不影响工作效率的同时达到较好的减振效果。
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