CN201645390U - Electric screw driver - Google Patents

Electric screw driver Download PDF

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Publication number
CN201645390U
CN201645390U CN2009202575489U CN200920257548U CN201645390U CN 201645390 U CN201645390 U CN 201645390U CN 2009202575489 U CN2009202575489 U CN 2009202575489U CN 200920257548 U CN200920257548 U CN 200920257548U CN 201645390 U CN201645390 U CN 201645390U
Authority
CN
China
Prior art keywords
electric screwdriver
rotating shaft
mentioned
electric screw
driver
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
CN2009202575489U
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Chinese (zh)
Inventor
刘海
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.)
Mitac Computer Kunshan Co Ltd
Original Assignee
Mitac Computer Kunshan Co Ltd
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 Mitac Computer Kunshan Co Ltd filed Critical Mitac Computer Kunshan Co Ltd
Priority to CN2009202575489U priority Critical patent/CN201645390U/en
Application granted granted Critical
Publication of CN201645390U publication Critical patent/CN201645390U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

The utility model discloses an electric screw driver, comprising an electric screw-driver seat, an electric screw-driver rotating shaft, an adjusting pull rod, a magnet gasket, an adjusting knob and an electric screw-driver head, wherein the electric screw-driver seat is provided with a power-source cable and a rotating switch; one end of the electric screw-driver rotating shaft is arranged in the electric screw-driver seat; the adjusting pull rod is arranged in the electric screw-driver rotating shaft and is provided with a plurality of sliding poles; the magnet gasket is arranged in the electric screw-driver rotating shaft, and a spring is arranged between the magnet gasket and the adjusting pull rod; the inner part of the adjusting knob is provided with a screw thread, and one end of the adjusting knob is provided with second backstop part which is matched with the sliding poles of the adjusting pull rod; and one end of the electric screw-driver head is arranged the electric screw-driver rotating shaft and is matched with the electric screw-driver rotating shaft together by a positioning sleeve. The electric screw driver using pressure can be adjusted, and different pressure parameters can be set according to the needs. A magnetic induction switch is mutually matched with magnet gasket, so warning information can be emitted to remind a user to control the electric screw driver to directly cut off power when the user exerts oversize force.

Description

Electric screw is criticized
[technical field]
The utility model relates to a kind of electric screw to be criticized, and particularly a kind of electric screw with pressure control function is criticized.
[background technology]
The conventional electric screwdriver only has the torsion regulatory function, firmly size is uncontrollable when criticizing but the user operates electric screw, excessive often causing is out of shape by lock set or damaged if exert oneself, as when locking the notebook computer motherboard, the conference of exerting oneself causes motherboard distortion, from and the IC that causes being welded on the motherboard be subjected to stress excessive, cause solder crack.
In view of this, being necessary to propose a kind of electric screw in fact criticizes, utilize this electric screw to criticize and to regulate the electric screwdriver working pressure, and can set different pressure parameter values as required, remind operator or directly outage when the operator exerts oneself can send when excessive information warning.
[summary of the invention]
Therefore, the utility model provides a kind of electric screw to criticize, and moves the working pressure of screwdriver to realize adjustable economize on electricity, and can set the purpose of different pressure parameter values as required.
For achieving the above object, the utility model provides a kind of electric screw to criticize, and it comprises:
The electric screwdriver seat which is provided with electric power connection line and rotating switch, and an end of this electric screwdriver seat also is provided with a magnetic induction switch;
Close above-mentioned magnetic induction switch in the above-mentioned electric screwdriver seat is located in electric screwdriver rotating shaft, one end, and this end also is provided with several first chutes, and the surface in this electric screwdriver rotating shaft centre position is provided with screw thread, and also is provided with draw-in groove and two locating holes away from an end of above-mentioned electric screwdriver seat;
Adjusting yoke, it is located in the above-mentioned electric screwdriver rotating shaft, and this adjusting yoke is provided with several travellers, and these some travellers place above-mentioned first chute respectively and extend above-mentioned electric screwdriver rotating shaft;
The magnet pad, it is located in the above-mentioned electric screwdriver rotating shaft, be provided with a spring between this magnet pad and the above-mentioned conciliation pull bar, and on end-acted one first stopper section in above-mentioned electric screwdriver rotating shaft of this magnet pad, can produce an electronic signal during the above-mentioned magnetic induction switch certain position of this magnet pad distance;
Adjusting knob, its inside be provided with screw thread and with above-mentioned electric screwdriver rotating shaft on threads engaged, one end of this adjusting knob is provided with one second stopper section, matches with the traveller of above-mentioned adjusting yoke in this second stopper section, and controls this adjusting yoke and slide in above-mentioned electric screwdriver rotating shaft;
The electric screwdriver head, the one end places above-mentioned electric screwdriver rotating shaft and cooperatively interacts together by a location sleeve and above-mentioned electric screwdriver rotating shaft, this electric screwdriver head is provided with one second chute and several projections, cooperatively interact by two place kick between this second chute and the above-mentioned locating hole, this projection matches with above-mentioned draw-in groove.
Especially, above-mentioned electronic signal goes out the signal of information warning for this electric screw of control is wholesale.
Especially, above-mentioned information warning is for sending caution sound, indicator lamp signal.
Especially, above-mentioned electronic signal is criticized the signal of automatic outage for this electric screw of control.
Compared to prior art, electric screw of the present utility model is criticized and can be regulated the electric screwdriver working pressure, and can set different pressure parameter values as required, and cooperatively interact by magnetic induction switch and magnet pad and can realize reminding the user more can control electric screw to criticize direct outage when the user exerts oneself can send when excessive information warning.
For the purpose of this utility model, structural feature and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:
[description of drawings]
Fig. 1 illustrates the structural representation that electric screw of the present utility model is criticized.
Fig. 2 illustrates the STRUCTURE DECOMPOSITION schematic diagram that electric screw of the present utility model is criticized.
Fig. 3 illustrates the side sectional view that electric screw of the present utility model is criticized structure.
[specific embodiment]
With reference to Fig. 1, Fig. 2 and shown in Figure 3, it is respectively the structural representation that electric screw of the present utility model is criticized; The STRUCTURE DECOMPOSITION schematic diagram that electric screw of the present utility model is criticized; Electric screw of the present utility model is criticized the side sectional view of structure.
The utility model provides a kind of electric screw to criticize, and it comprises:
Electric screwdriver seat 1 which is provided with electric power connection line 11 and rotating switch 12, and this rotating switch 12 comprises: a tight screw switch 121, a switch 122 of loosening the screw a little, and an end of this electric screwdriver seat 1 also is provided with a magnetic induction switch 13;
Electric screwdriver rotating shaft 2, the one end is located in the above-mentioned electric screwdriver seat 1 near above-mentioned magnetic induction switch 13, this end also is provided with several first chutes 21 (this first chute 21 is four in present embodiment), the surface in these electric screwdriver rotating shaft 2 centre positions is provided with screw thread, and also is provided with draw-in groove 22 and two locating holes 23 away from an end of above-mentioned electric screwdriver seat 1;
Adjusting yoke 3, it is located in the above-mentioned electric screwdriver rotating shaft 2, and this adjusting yoke 3 is provided with several travellers 31 (this traveller 31 is four in present embodiment), and this traveller 31 places above-mentioned first chute 21 respectively and extends above-mentioned electric screwdriver rotating shaft 2;
Magnet pad 4, it is located in the above-mentioned electric screwdriver rotating shaft 2, be provided with a spring 5 between this magnet pad 4 and the above-mentioned conciliation pull bar 3, and on end-acted one first stopper section 24 in above-mentioned electric screwdriver rotating shaft 2 of this magnet pad 4, can produce an electronic signal during above-mentioned magnetic induction switch 12 certain positions of this magnet pad 4 distances, this electronic signal can control that electric screw is wholesale to be gone out this information warning of an information warning and can be caution sound, indicator lamp signal, and this electronic signal more can be controlled electric screw and cuts off the power supply automatically;
Adjusting knob 6, its inside be provided with screw thread and with above-mentioned electric screwdriver rotating shaft 2 on threads engaged, one end of this adjusting knob is provided with one second stopper section 61, matches with the traveller 31 of above-mentioned adjusting yoke 3 in this second stopper section 61, and controls this adjusting yoke 3 and slide in above-mentioned electric screwdriver rotating shaft 2;
Electric screwdriver head 7, the one end places above-mentioned electric screwdriver rotating shaft 2 and cooperatively interacts together with above-mentioned electric screwdriver rotating shaft 2 by a location sleeve 8, this electric screwdriver head 7 is provided with one second chute 71 and several projections 72 (this projection 72 is two in present embodiment), cooperatively interact by two place kick 9 between this second chute 71 and the above-mentioned locating hole 23, this projection 72 matches with above-mentioned draw-in groove 22.
In present embodiment, when electric screwdriver head 7 inserts in the electric screwdriver rotating shaft 2, place kick 9 will snap in second chute 71 on the electric screwdriver head 7, when electric screwdriver head 7 is subjected to certain axial force, this axial force can offset that (this elastic force can be regulated its dynamics value by rotating adjusting knob 6 with the elastic force of spring 5 in the electric screwdriver rotating shaft 2, reach the contracted length that has promptly changed spring 5, the available formula of the relation of its dynamics and spring length: F=KA calculates, wherein A is the amount of contraction of spring, K is the coefficient of elasticity of spring), when this axial force during greater than elastic force, electric screwdriver head 7 can slide in electric screwdriver rotating shaft 2 by second chute 71 and place kick 9, the magnet pad 4 that at this moment can promote in the electric screwdriver rotating shaft 2 slides to the direction near magnetic induction switch 12 in electric screwdriver rotating shaft 2 together, when magnet pad 4 during apart from these magnetic induction switch 12 certain positions (it is excessive that the user uses this electric screw to criticize dynamics), both can produce an electronic signal, this electronic signal control electric screw is wholesale to go out to warn sound and indicator lamp signal, and at this moment the user can carry out the adjusting of dynamics; If the user continues to apply bigger power, at this moment the electronic signal of sending between magnet pad 4 and this magnetic induction switch 12 more can be cut off the power supply that this electric screw is criticized automatically.

Claims (1)

1. an electric screw is criticized, and it is characterized in that it comprises:
The electric screwdriver seat which is provided with electric power connection line and rotating switch, and an end of this electric screwdriver seat also is provided with a magnetic induction switch;
Close above-mentioned magnetic induction switch in the above-mentioned electric screwdriver seat is located in electric screwdriver rotating shaft, one end, and this end also is provided with several first chutes, and the surface in this electric screwdriver rotating shaft centre position is provided with screw thread, and also is provided with draw-in groove and two locating holes away from an end of above-mentioned electric screwdriver seat;
Adjusting yoke, it is located in the above-mentioned electric screwdriver rotating shaft, and this adjusting yoke is provided with several travellers, and these some travellers place above-mentioned first chute respectively and extend above-mentioned electric screwdriver rotating shaft;
The magnet pad, it is located in the above-mentioned electric screwdriver rotating shaft, be provided with a spring between this magnet pad and the above-mentioned conciliation pull bar, and on end-acted one first stopper section in above-mentioned electric screwdriver rotating shaft of this magnet pad, can produce an electronic signal during the above-mentioned magnetic induction switch certain position of this magnet pad distance;
Adjusting knob, its inside be provided with screw thread and with above-mentioned electric screwdriver rotating shaft on threads engaged, one end of this adjusting knob is provided with one second stopper section, matches with the traveller of above-mentioned adjusting yoke in this second stopper section, and controls this adjusting yoke and slide in above-mentioned electric screwdriver rotating shaft;
The electric screwdriver head, the one end places above-mentioned electric screwdriver rotating shaft and cooperatively interacts together by a location sleeve and above-mentioned electric screwdriver rotating shaft, this electric screwdriver head is provided with one second chute and several projections, cooperatively interact by two place kick between this second chute and the above-mentioned locating hole, this projection matches with above-mentioned draw-in groove.
CN2009202575489U 2009-11-09 2009-11-09 Electric screw driver Expired - Fee Related CN201645390U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202575489U CN201645390U (en) 2009-11-09 2009-11-09 Electric screw driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202575489U CN201645390U (en) 2009-11-09 2009-11-09 Electric screw driver

Publications (1)

Publication Number Publication Date
CN201645390U true CN201645390U (en) 2010-11-24

Family

ID=43110601

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009202575489U Expired - Fee Related CN201645390U (en) 2009-11-09 2009-11-09 Electric screw driver

Country Status (1)

Country Link
CN (1) CN201645390U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104209740A (en) * 2014-08-29 2014-12-17 宁波富乐礼机器人科技有限公司 Automatic screw positioning and tightening structure
CN105563404A (en) * 2016-03-01 2016-05-11 武汉维力克科技有限公司 Telescopic type electric screwdriver head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104209740A (en) * 2014-08-29 2014-12-17 宁波富乐礼机器人科技有限公司 Automatic screw positioning and tightening structure
CN105563404A (en) * 2016-03-01 2016-05-11 武汉维力克科技有限公司 Telescopic type electric screwdriver head

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101124

Termination date: 20141109

EXPY Termination of patent right or utility model