CN202934509U - Electric screw driver - Google Patents

Electric screw driver Download PDF

Info

Publication number
CN202934509U
CN202934509U CN 201220568528 CN201220568528U CN202934509U CN 202934509 U CN202934509 U CN 202934509U CN 201220568528 CN201220568528 CN 201220568528 CN 201220568528 U CN201220568528 U CN 201220568528U CN 202934509 U CN202934509 U CN 202934509U
Authority
CN
China
Prior art keywords
housing
motor
switch
screw driver
screw
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN 201220568528
Other languages
Chinese (zh)
Inventor
周武建
冯军杰
祝贺
周大永
刘卫国
吴成明
赵福全
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd Hangzhou Branch
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd Hangzhou Branch
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 Zhejiang Geely Holding Group Co Ltd, Zhejiang Geely Automobile Research Institute Co Ltd, Zhejiang Geely Automobile Research Institute Co Ltd Hangzhou Branch filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN 201220568528 priority Critical patent/CN202934509U/en
Application granted granted Critical
Publication of CN202934509U publication Critical patent/CN202934509U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an electric screw driver, and aims to overcome the defects of high possibilities of dent abrasion of bolts during usage and slipping during rotating for the existing screw drivers. The electric screw driver comprises a casing, and a torsion bar detachably inserted at one end of the casing; a bolt twisting head is arranged at the end part of the torsion bar; a motor and a reducing mechanism connected with a motor output shaft are arranged in the casing; the motor is electrically connected with a control unit; the torsion bar is connected with a reducing mechanism output shaft; the bolt twisting head has magnetic property; a torsional force adjusting device is arranged on the casing and electrically connected with the control unit; and a multifunctional switch for switching on and switching off the motor and adjusting motor steering. During the use process, the electric screw driver can control the torsional force and avoid abrasion of the dents of the bolts, so that the screw driver is not prone to slipping when rotating, and the screw driver is convenient to use.

Description

Electric screw driver
Technical field
The utility model relates to a kind of electric tool, more particularly, and the electric screw driver that it is difficult for skidding when relating to a kind of the use.
Background technology
The most frequently used screwdriver of people is all generally type hand, in use procedure because torsion is manually control and regulation, big or small wayward to this torsion exerts oneself excessively easily the indenture of screw to be produced wearing and tearing, the phenomenon that occurs skidding in the rotation screw cutter.
Chinese patent notification number CN201693490U, a kind of electric screw driver is disclosed, comprise electric screw driver main body and rotary head, the electric screw driver main body is rifle shape, and be provided with handle free to rotate between rotary head and electric screw driver main body, this screwdriver is easy to operate, safe and reliable, but in the process of using the end of the rotary head screw indenture that easily slips away, the phenomenon that occurs skidding.
The utility model content
The utility model has overcome existing screwdriver easy indenture to screw in the process of using and has produced wearing and tearing, screwdriver is prone to the deficiency of the phenomenon of skidding when rotating, a kind of electric screw driver is provided, it can control the size of torsion in the process of using, can not produce wearing and tearing to the indenture of screw, screwdriver is not prone to the phenomenon of skidding when rotating, easy to use.
in order to solve the problems of the technologies described above, the utility model is by the following technical solutions: a kind of electric screw driver, comprise housing, torque arm, the torque arm detachable interposing is connected on an end of housing, the end of torque arm is provided with the screw torq, be provided with motor in housing, the reducing gear that is connected with motor output shaft, motor is electrically connected to control module, torque arm is connected with the reducing gear output shaft, screw torq band is magnetic, be provided with the torsion adjusting device on housing, the torsion adjusting device is electrically connected to control module, be provided with the multifunction switch that turns to for switch motor and regulating electric machine on housing.
The rotation of electric screw driver by motor drives the rotation of torque arm, and the screw torq of torque arm front end is connected in the indenture of screw end face, realizes screw screwed or unscrew operation by the rotation of controlling motor.Screw torq band is magnetic, and when the screw torq is connected in screw end face indenture and the screw adhesive, is not prone to the phenomenon of skidding in rotary screw.Regulate the torsion adjusting device and torsion signal is sent to control module, the outputting torsion of the signal control motor that control module transmits according to the torsion adjusting device, torsion to torque arm can be regulated by the torsion adjusting device, use flexibly, electric screw driver can be controlled the size of torsion in the process of using, can not produce wearing and tearing to the indenture of screw.Multifunction switch can be controlled the switch of motor and turning to of regulating electric machine, and a switch is realized the control of a plurality of functions, and is easy to operate.
As preferably, the torsion adjusting device comprises three rotating adjustment disks, and the adjustment disk lateral wall is provided with the scale layer that characterizes scale value, and three adjustment disks protrude from the housing outer wall.Regulate three adjustment disks by rotation, realize the adjusting of torque magnitude, the scale layer is set on the adjustment disk outer wall, can read the size of torque value, the combination successively of the scale value on three adjustment disks forms the numerical value of torque magnitude.
As preferably, be provided with the power knob switch in housing, inner walls is provided with and turns to waved switch, and cylindrical multifunction switch end and power knob switch connect, and the sidewall of multifunction switch is provided with the fluctuation post that is used for regulating waved switch of outside projection.Press multifunction switch and can realize to the opening and closing of power knob switch the opening and closing of electric screw driver.Rotate multifunction switch and make the fluctuation of fluctuation post turn to waved switch, realize motor clockwise and the adjusting that turns to counterclockwise.
As preferably, housing is two-stage Step Shaft structure, and torque arm is plugged on the miner diameter end of housing, and multifunction switch is arranged on the bigger diameter end of housing.This structural design facilitates the installation of parts in housing.
As preferably, be provided with charging battery in housing, battery provides power supply to motor and control module.Electric screw driver is storage-battery rechargeable, without connecting power line, uses more convenient to operate in the process of use.
Compared with prior art, the beneficial effects of the utility model are: electric screw driver can be controlled the size of torsion in the process of using, and can not produce wearing and tearing to the indenture of screw, and screwdriver is not prone to the phenomenon of skidding when rotating, easy to use.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is side view of the present utility model;
In figure: 1, housing, 2, torque arm, 3, the screw torq, 4, multifunction switch, 5, adjustment disk.
The specific embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described specifically:
Embodiment: a kind of electric screw driver (referring to accompanying drawing 1), comprise housing 1, torque arm 2, torque arm 2 detachable interposings are connected on an end of housing 1.Housing 1 is two-stage Step Shaft structure, and torque arm 2 is plugged on the miner diameter end centre position of housing 1.It is shaft-like cylindrical that torque arm 2 is, and the end of torque arm 2 is provided with screw torq 3, and screw torq 3 bands are magnetic.Model and the adaptive screw torq 3 of size Selection of the screw that reverses as required, screw torq 3 and torque arm 2 are one-body molded.The reducing gear that be provided with motor in housing 1, is connected with motor output shaft, motor is electrically connected to control module, torque arm 2 is connected with the reducing gear output shaft, be provided with the torsion adjusting device on housing 1, the torsion adjusting device is electrically connected to control module, the torsion adjusting device comprises that three rotating adjustment disk 5(are referring to accompanying drawing 2), adjustment disk 5 lateral walls are provided with the scale layer that characterizes scale value, be respectively equipped with an opening on the outer wall of three different-diameters of housing 1, three adjustment disks 5 stretch out respectively three openings and protrude from housing 1 outer wall.Be provided with the multifunction switch 4 that turns to for switch motor and regulating electric machine on housing 1.Be provided with the power knob switch in housing 1, inner walls is provided with and turns to waved switch, and cylindrical multifunction switch end and power knob switch connect, and the sidewall of multifunction switch is provided with the fluctuation post that is used for regulating waved switch of outside projection.Be provided with charging battery in housing 1, battery provides power supply to motor and control module.
The rotation of electric screw driver by motor drives the rotation of torque arm, and the screw torq of torque arm front end is connected in the indenture of screw end face, realizes screw screwed or unscrew operation by the rotation of controlling motor.Screw torq band is magnetic, and when the screw torq is connected in screw end face indenture and the screw adhesive, is not prone to the phenomenon of skidding in rotary screw.Regulate the torsion adjusting device and torsion signal is sent to control module, the outputting torsion of the signal control motor that control module transmits according to the torsion adjusting device, torsion to torque arm can be regulated by the torsion adjusting device, use flexibly, electric screw driver can be controlled the size of torsion in the process of using, can not produce wearing and tearing to the indenture of screw.Multifunction switch can be controlled the switch of motor and turning to of regulating electric machine, and a switch is realized the control of a plurality of functions, and is easy to operate.The adjustment disk that first fluctuates during use is regulated torque magnitude, then rotates multifunction switch, and turning to of regulating electric machine pressed at last multifunction switch and opened electric screw driver, the screw torq of rotating is put in the indenture that needs the screw end face that rotates rotating screw.
Above-described embodiment is a kind of better scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.

Claims (5)

1. electric screw driver, comprise housing (1), torque arm (2), the torque arm detachable interposing is connected on an end of housing, the end of torque arm is provided with screw torq (3), the reducing gear that be provided with motor in housing, is connected with motor output shaft, motor is electrically connected to control module, torque arm is connected with the reducing gear output shaft, it is characterized in that, screw torq band is magnetic, be provided with the torsion adjusting device on housing, the torsion adjusting device is electrically connected to control module, is provided with the multifunction switch (4) that turns to for switch motor and regulating electric machine on housing.
2. electric screw driver according to claim 1, is characterized in that, the torsion adjusting device comprises three rotating adjustment disks (5), and the adjustment disk lateral wall is provided with the scale layer that characterizes scale value, and three adjustment disks protrude from the housing outer wall.
3. electric screw driver according to claim 1, it is characterized in that, be provided with the power knob switch in housing, inner walls is provided with and turns to waved switch, cylindrical multifunction switch end and power knob switch connect, and the sidewall of multifunction switch is provided with the fluctuation post that is used for regulating waved switch of outside projection.
4. according to claim 1 and 2 or 3 described electric screw drivers, is characterized in that, housing is two-stage Step Shaft structure, and torque arm is plugged on the miner diameter end of housing, and multifunction switch is arranged on the bigger diameter end of housing.
5. according to claim 1 and 2 or 3 described electric screw drivers, is characterized in that, is provided with charging battery in housing, and battery provides power supply to motor and control module.
CN 201220568528 2012-10-31 2012-10-31 Electric screw driver Expired - Fee Related CN202934509U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220568528 CN202934509U (en) 2012-10-31 2012-10-31 Electric screw driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220568528 CN202934509U (en) 2012-10-31 2012-10-31 Electric screw driver

Publications (1)

Publication Number Publication Date
CN202934509U true CN202934509U (en) 2013-05-15

Family

ID=48318768

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220568528 Expired - Fee Related CN202934509U (en) 2012-10-31 2012-10-31 Electric screw driver

Country Status (1)

Country Link
CN (1) CN202934509U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104723290A (en) * 2015-01-27 2015-06-24 宁波汉浦工具有限公司 Control device and control method for torsion output of electric tool
CN105972021A (en) * 2016-07-14 2016-09-28 魏小鲁 Unilaterally-operable connecting device for steel structure connection and electric installation tool
CN111775096A (en) * 2020-07-23 2020-10-16 杭州光文贸易有限公司 Electric screwdriver capable of adjusting torque force based on capacitance change

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104723290A (en) * 2015-01-27 2015-06-24 宁波汉浦工具有限公司 Control device and control method for torsion output of electric tool
CN105972021A (en) * 2016-07-14 2016-09-28 魏小鲁 Unilaterally-operable connecting device for steel structure connection and electric installation tool
CN111775096A (en) * 2020-07-23 2020-10-16 杭州光文贸易有限公司 Electric screwdriver capable of adjusting torque force based on capacitance change

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130515

Termination date: 20131031