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KR830008803A - Electric screw driver - Google Patents

Electric screw driver Download PDF

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Publication number
KR830008803A
KR830008803A KR1019820001100A KR820001100A KR830008803A KR 830008803 A KR830008803 A KR 830008803A KR 1019820001100 A KR1019820001100 A KR 1019820001100A KR 820001100 A KR820001100 A KR 820001100A KR 830008803 A KR830008803 A KR 830008803A
Authority
KR
South Korea
Prior art keywords
gear
pressing
electric
ratchet
steel ball
Prior art date
Application number
KR1019820001100A
Other languages
Korean (ko)
Other versions
KR860001079B1 (en
Inventor
카쓰 유키 토쓰
Original Assignee
카쓰 유키 토쓰
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 카쓰 유키 토쓰 filed Critical 카쓰 유키 토쓰
Priority to KR8201100A priority Critical patent/KR860001079B1/en
Publication of KR830008803A publication Critical patent/KR830008803A/en
Application granted granted Critical
Publication of KR860001079B1 publication Critical patent/KR860001079B1/en

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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
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

내용 없음No content

Description

전동 스크류 드라이버(screw driver)Electric screw driver

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 의한 전동 스크류 드라이버의 일부 절단 단면도.1 is a partial cut cross-sectional view of the electric screw driver according to the present invention.

제2도는 본 발명에 사용된 유성감속장치(planetary reduction system)의 확대단면도.2 is an enlarged cross-sectional view of a planetary reduction system used in the present invention.

제3도는 제1도에 의한 스크류드라이버의 외부 케이싱(outer casing)의 일부측면도.3 is a partial side view of the outer casing of the screwdriver according to FIG.

Claims (9)

드라이버 비트(driver bit)를 착탈할수 있도록 장착하는 척축(chucking shaft)일부에 래치트(ratchet)장치를 장착하고, 척축을, 유성감속장치(planetary reduction system)를 통하여 전동모터의 출력축에 접속하며, 클러치(clutch)기능을 가진 토오크(torque) 조정기구를 유성감속장치에 장착하는 것을 특징으로 하는 전동스크류드라이버.A ratchet device is mounted on a part of the chucking shaft for attaching and detaching a driver bit, and the chuck shaft is connected to the output shaft of the electric motor through a planetary reduction system. An electric screwdriver, characterized in that a torque adjusting mechanism having a clutch function is attached to a planetary reduction gear. 제1항에 있어서, 래치트장치는 척(chuck)의 축부에 설치된 래치트기어(ratchet geat)와, 래치트기어 사이에 협지하여 대향하도록 배설된 한쌍의 파울(pawl)과 원주방향으로 회동하여 한쌍의 파울을 선택적으로 압압함으로써 어느하나의 파울과 래치트기어를 계합 및 해제를 하는 조작링으로 구성함을 특징으로 하는 전동스크류 드라이버.The ratchet device of claim 1, wherein the ratchet device rotates in a circumferential direction with a ratchet gear provided in the shaft portion of the chuck and a pair of pawls disposed so as to be opposed to each other between the ratchet gears. An electric screwdriver, comprising: an operation ring for engaging and releasing any one of the fouls and the ratchet gear by selectively pressing a pair of fouls. 제1항 또는 제2항에 있어서, 유성감속장치는 전동모터의 출력축에 접속된 피니온기어에서 동력전달을 받아자전(自轉)하면서 고전하는 유성기오와, 유성기어와 공동하여 공전궤도를 부여하는 인터널기어(internal gear)와 인터널기어를 회전할수 있게 수납하는 원통케이싱으로 구성되는 것을 특징으로 하는 전동스크류 드라이버.The planetary reduction device according to claim 1 or 2, wherein the planetary reduction device is configured to provide an orbit in cooperation with a planetary gear and a planetary gear that undergoes electric rotation while receiving power transmission from a pinion gear connected to an output shaft of an electric motor. An electric screw driver, comprising: an inner gear and a cylindrical casing for storing the internal gear to rotate. 제3항에 있어서, 원통케이싱 단부에 리세스(recess)를 형성하여 그 리세스에 전동모터의 역전스위치를 수납하고, 또 역전스위치의 조작을 래치트장치의 조작링에 의한 파울과 래치트기어의 계합해제조작과 연동시켜 구성함을 특징으로하는 전동스크류 드라이버.4. A recess and a ratchet gear according to claim 3, wherein a recess is formed at the end of the cylindrical casing to accommodate the reversing switch of the electric motor, and the reversing switch is operated by a fouling and a ratchet gear by the operation ring of the ratchet device. Electric screwdriver, characterized in that configured in conjunction with the disengagement operation of the. 제3항에 있어서, 원통형케이싱에 통공을 착설하여 스틸볼을 수납하며, 인터널기어의 주연에 원통케이싱의 통공에 대향되도록 착설한 위치에 노치(notch)를 설치하고, 통공에 수납한 스틸볼을 소정의 압력으로 노치에 시이팅(seating)시키는 압압수단을 설치함을 특징으로 하는 전동스크류 드라이버.4. The steel ball according to claim 3, wherein a hole is installed in the cylindrical casing to accommodate the steel ball, and a notch is installed at a position installed so as to face the hole of the cylindrical casing at the periphery of the internal gear, and the steel ball accommodated in the hole. An electric screw driver, characterized in that the pressing means for seating (seating) in the notch at a predetermined pressure. 제5항에 있어서, 압압수단은 원통케이싱에 일단부를 계지하는 판스프링과, 이 판스프링에 접동하여 스틸볼에 판스프링의 압압력을 무단계(stepless)로 조정하는 접동부재로 구성함을 특징으로하는 전동스크류 드라이버.6. The pressurizing means according to claim 5, characterized in that the pressing means comprises a leaf spring for locking one end to the cylindrical casing, and a sliding member for steplessly adjusting the pressing force of the leaf spring to the steel ball in contact with the leaf spring. Electric screwdriver. 제4항에 있어서, 원통형 케이싱내부에 내향지게 프랜지를 가진 원통부재를 감착하고, 원통부재의 프랜지에 통공을 착설하여 스틸볼을 수납하며 인터널 기어의 일측면에 원통부재의 통공에 대향하도록 착설한 위치에 프랜지를 형성하고 위 프랜지에 반경방향으로 연장되어 있는 돌조를 설치하며, 원통부재의 통공에 수납된 스틸볼을 소정의 압력으로 인터널기어의 프랜지에 대하여 압압하는 압압수단을 설치함을 특징으로하는 전동스크류 드라이버.5. A cylindrical member according to claim 4, wherein a cylindrical member having a flange is inwardly fitted within the cylindrical casing, and a hole is installed in the flange of the cylindrical member to accommodate the steel ball, and the surface is installed so as to face the through hole of the cylindrical member on one side of the internal gear. Forming a flange in one position and installing a protrusion extending radially to the upper flange, and pressing means for pressing the steel ball stored in the through hole of the cylindrical member against the flange of the internal gear at a predetermined pressure. Electric screwdriver, characterized in that. 제7항에 있어서, 압압수단은 원통부재에 감합된 압압링과, 압압링과 전동모터사이에 삽설한 코일스프링과, 전동모터를 코일스프링의 탄력에 대향하여 측방향으로 압압하는 압압부재로 구성되어 있음을 특징으로 하는 전동스크류 드라이버.The pressure member according to claim 7, wherein the pressing means includes a pressing ring fitted to the cylindrical member, a coil spring inserted between the pressing ring and the electric motor, and a pressing member for pressing the electric motor laterally against the elasticity of the coil spring. Electric screwdriver, characterized in that the configuration. 제8항에 있어서, 전동모터의 출력축에 접속된 피니온 기어를 축방향에 대하여 탄력적으로 지지함을 특징으로 하는 전동스크류 드라이버.The electric screwdriver according to claim 8, wherein the pinion gear connected to the output shaft of the electric motor is elastically supported in the axial direction. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR8201100A 1982-03-12 1982-03-12 Electric screw driver KR860001079B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR8201100A KR860001079B1 (en) 1982-03-12 1982-03-12 Electric screw driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR8201100A KR860001079B1 (en) 1982-03-12 1982-03-12 Electric screw driver

Publications (2)

Publication Number Publication Date
KR830008803A true KR830008803A (en) 1983-12-14
KR860001079B1 KR860001079B1 (en) 1986-08-07

Family

ID=19224174

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8201100A KR860001079B1 (en) 1982-03-12 1982-03-12 Electric screw driver

Country Status (1)

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KR (1) KR860001079B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101101919B1 (en) * 2011-04-07 2012-01-02 이상민 Mini hand held electric driver using decelerator

Also Published As

Publication number Publication date
KR860001079B1 (en) 1986-08-07

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