CN201002234Y

CN201002234Y - Wrench tool capable of switching manual or electric operation mode

Info

Publication number: CN201002234Y
Application number: CNU2007200003217U
Authority: CN
Inventors: 曾逸川
Original assignee: Wintec Industries Inc
Current assignee: Wintec Industries Inc
Priority date: 2007-01-12
Filing date: 2007-01-12
Publication date: 2008-01-09
Anticipated expiration: 2017-01-12

Abstract

The utility model is a spanner with convertible manual or electrical operation mode. A containing groove and a through groove, in which a tool head with a worm wheel on the external ring surface and a worm screw are positioned, are arranged in the head seat. The head end of the worm screw is engaged with the worm wheel of the tool head, and the other end of the worm screw is provided with a connecting seat, which is projected out of the back end of the head seat. And the worm screw is provided with an annular groove. A positioning pin for positioning the worm screw is arranged outside the head seat, in relative to the both sides of the annular groove. When the worm screw is rotating, the tool head in the head seat can be driven to rotate by the transmission of the worm screw and worm wheel set. Therefore, a grab handle with a motor can be arranged at the back end of the head seat by the user to drive the tool head through power operation mode, or a grab handle with a manual joystick is positioned at the back end of the head seat to drive the tool head by manual operation mode. Therefore, a plurality of operation modes is provided, and the purpose that the operations are easily transformed to carry out assembly and disassembly is achieved.

Description

Convertible manually or the Wrench of electric operating pattern

Technical field

The utility model relates to Wrench, is meant a kind of Wrench of carrying out the dismounting operation with power or manually operated mode driven tool head of being available for users to select especially.

Background technology

See also Fig. 1, the ratchet spanner instrument of available dynamic, it is to set firmly a ratchet lever 20 at lever 10 1 ends, the front end of ratchet lever 20 then is a pawl seat 21, has a motor by drive power source in the lever 10, to drive the assembly start in the pawl seat 21; See also Fig. 2, offer profile groove 210 in the middle of the pawl seat 21, and make both sides form a left side, right folder frame 211,212, left side folder frame 211 offers path perforation 213, right 212 of frames of folder offer big footpath perforation 214, one rotating shaft, 22 1 ends are attached at motor, the other end then has eccentric shaft 221, rotate to drive a drive block 222, one pulling piece 23 is provided with pod 231 and interior ring ratchet 232, utilize pod 231 sheathed drive blocks 222, make rotating shaft 22 when rotating, can drive pulling piece 23 by eccentric shaft 221 and make reciprocal rotary oscillation, one ratchet head 24, the one end has start post 241, the other end then has direction button 242, described direction button 242 can be controlled the brake 243 in the ratchet head 24, with the stopper direction of control brake 243 with the interior ring ratchet 232 of pulling piece 23, and the operation that selection is just being changeed or reversed, after ratchet head 24 has the sheathed spring shim 25 of direction button 242 ends, be located in the path perforation 213 of left side folder frame 211, behind the then sheathed pad 26 of start post 241 ends, be fastened on C in the right folder frame big footpath perforation 214 ring side grooves 215 with one and buckle 27 spacingly, and finish the assembling location; See also Fig. 3, when making pulling piece 23 make the rotary oscillation of forward when rotating shaft 22 rotations, because brake 243 and interior ring ratchet 232 clips, and the start post 241 that can drive ratchet head 24 rotates, only when pulling piece 23 is done reverse backswing, interior ring ratchet 232 is can push in the brake 243 to contract, and the stroke that work oppositely dallies, when making the rotary oscillation of forward once more in order to do profit, the start post 241 that drives ratchet head 24 again rotates, it should be noted that, when the idle running stroke is made in pulling piece 23 reverse backswing, ratchet head 24 must maintain static, otherwise in company with pulling piece 23 reverse backswing, can't unscrew or screw the operation of workpiece, yet, make ratchet head 24 fixed modes, be to rely on the elastic force of spring shim 25 to be shored, come to buckle 27 frictional force that produce with C with the internal face 216 of left side folder frame 211, make ratchet head 24 maintain static, but when pulling piece 23 is done the swing work done of forward, pulling piece 23 because of again with brake 243 clips, and be easy to overcome described frictional force, and then the start post 241 rotation works done of drive ratchet head 24, anyway, frictional force is essential, do the forward work done in when swing but can not excessively have influence on pulling piece 23, therefore moderate frictional force is extremely important.

Yet the Wrench of described refreshing power still has following shortcoming on transmission or use kenel:

1. its rotating shaft 22 that is driven by motor is to drive pulling piece 23 with eccentric shaft 221 to do reciprocal forward and reverse swing, again by the ratchet clip effect of brake 243 with interior ring ratchet 232, and drive and idle running driving pawl head 24 starts that hocket that reset with clip, the action that described idle running resets promptly causes the consume on the motor power.

2. drive the motor that rotating shaft 22 is rotated, be to be easy to very much control do forward and reverse rotation and change, so that switching, ratchet head 24 turns to start, the only design of described power operated wrench instrument, it is the ratchet clip effect of ring ratchet 232 in cooperating with brake 243 with direction button 242, reach switching and turn to start, cause the complexity on the switching controls on the contrary.

3. the design of described power operated wrench instrument, be only can drive start with motor, in the time of only can't making revolution when being short of power, described power operated wrench instrument will can't use fully in start, and only be useful in the operator scheme of power, so still be apparent not enough on the utilization benefit.

In view of this, the inventor then is engaged in the research and development and the making experience of relevant industries for many years with it, at the present problem further investigation that faces, through the research of long-term endeavour with study, grind eventually and create a kind of applicable Wrench at power and manual dual operational mode, significantly to improve existing scarce fraud, this is design aim of the present invention.

Summary of the invention

Main purpose of the present invention provide a kind of convertible manually or the Wrench of electric operating pattern, it is to offer storage tank and wear groove in headstock, form the tool heads and a worm screw of worm gear to install an outer ring surface respectively, the head end of described worm screw is and the engagement of the worm gear of tool heads, the other end then forms joint seat and protrudes out the rear end of headstock, offer annular groove on the worm screw in addition, be provided with alignment pin with spacing worm screw in the headstock outside with respect to described annular groove two side positions, and when worm screw is rotated, can be via the transmission of worm and wormwheel group, the tool heads that drives in the headstock is rotated, and one is equiped with the lever of motor and gear-box, is to link the rear end that is installed in headstock, and make the output revolving shaft of gear-box be attached at worm screw, and when the motor start, can be via the transmission of worm and wormwheel group, the tool heads that drives in the headstock is rotated; So, operator scheme that promptly can power is used in a driven tool start fully with power, and then reaches the purpose of effective transmission power.

Another purpose of the present invention provide a kind of convertible manually or the Wrench of electric operating pattern, wherein, after the binding installing of the rear end of headstock has the lever of motor and gear-box, when motor stops start, be directly to rotate lever in manual mode, drive to tool heads to drive the worm and wormwheel group, and with manual operator scheme, to carry out the dismounting operation.

Another object of the present invention provide a kind of convertible manually or the Wrench of electric operating pattern, it is to offer storage tank and wear groove in headstock, form the tool heads and a worm screw of worm gear to install an outer ring surface respectively, the head end of described worm screw is and the engagement of the worm gear of tool heads, the other end then forms joint seat and protrudes out the rear end of headstock, offer annular groove on the worm screw in addition, be provided with alignment pin with spacing worm screw in the headstock outside with respect to described annular groove two side positions, and when worm screw is rotated, can be via the transmission of worm and wormwheel group, the tool heads that drives in the headstock is rotated, one lever with manual joystick is to link the rear end that is installed in headstock, and when manual joystick start, can be via the transmission of worm and wormwheel group, the tool heads that drives in the headstock is rotated; So, an operator scheme driven tool start that promptly can be manual is to carry out the dismounting operation.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of convertible manually or the Wrench of electric operating pattern, it is characterized in that: include: headstock: it is to offer first storage tank and the groove of wearing that communicates at front end; Tool heads: it is arranged in first storage tank of headstock, and its at least one end has the working end, and is provided with wrom tooth at outer ring surface; Worm screw: it is arranged on wearing in the groove of headstock, the wrom tooth engagement of described worm screw front end and tool heads, and the rear end then is provided with joint seat.

Preferable, technique scheme can also be added following technical characterictic:

More in described headstock, be provided with first storage tank with wear second storage tank that groove communicates, and the middle worm gear of installing one and tool heads wrom tooth and worm engaging transmission in second storage tank.

Be to be provided with gland and the C type is buckled above first storage tank of headstock, so that tool heads is limited in the headstock.

Be to offer annular groove on worm screw, and inserted alignment pin with respect to described annular groove two side positions, with spacing worm screw in the headstock outside.

More the binding of the worm screw rear end in headstock installing has the lever of motor, and is rotated by the motor-driven tool head.

Be to be arranged with one to buckle spacing spiral cover in described headstock rear end, and then offer thread segment, screw togather the thread segment of lever, and lever is linked the rear end that is assembled in headstock with spiral cover at the lever front end with the C type.

Be to be equiped with supplying cell, motor and gear-box in the described lever, the output revolving shaft of gear-box is to link to be installed on the joint seat of worm screw rear end, and is provided with the change-over switch that the control motor turns in the outside of lever.

Supplying cell in the described lever is general battery or is rechargeable battery, maybe can connect rectifier and by general domestic power supply power supply.

Gear-box output revolving shaft end in the described lever is to be provided with polygonal hole connector, links mutually with the joint seat with the worm screw rear end.

More the worm screw rear end in described headstock links the manual driven tool of installing.

Described manual driven tool is the lever with manual rocking bar.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: changeable manual and electric model, simple to operate, easy to use.

Description of drawings

Fig. 1 is the outside drawing of existing power operated wrench instrument;

Fig. 2 is the parts explosion of existing power operated wrench instrument;

Fig. 3 is the combination section of existing power operated wrench instrument;

Fig. 4 is a parts explosion of the present utility model;

Fig. 5 is a combination section of the present utility model;

Fig. 6 is a combination appearance figure of the present utility model;

Fig. 7 is the exploded view of the utility model when the power operation pattern;

Fig. 8 is the combination appearance figure of the utility model when the power operation pattern;

Fig. 9 is the combination section of the utility model when the power operation pattern;

Figure 10 is that the utility model is carried out manually operated schematic diagram () under the power operation pattern;

Figure 11 is that the utility model is carried out manually operated schematic diagram (two) under the power operation pattern;

Figure 12 is the exploded view of the utility model when manual operation mode;

Figure 13 is the use schematic diagram of the utility model when manual operation mode;

Figure 14 is the exploded view of the utility model lever manual operation mode;

Figure 15 is the use schematic diagram of the utility model lever manual operation mode.

Description of reference numerals: 10-lever; The 20-ratchet lever; The 21-pawl seat; The 211-profile groove; 211-left side folder frame; The right folder of 212-frame; The 213-perforation; The 214-perforation; The 215-groove; The 216-internal face; The 22-rotating shaft; The 221-eccentric shaft; The 222-drive block; The 23-pulling piece; The 231-pod; Ring ratchet in the 232-; The 24-ratchet head; 241-start post; 242-direction button; The 243-brake; The 25-spring shim; The 26-pad; The 27-C button; The 30-headstock; 301-first storage tank; 302-second storage tank; 303-wears groove; The 304-gland; The 305-C type is buckled; The 31-tool heads; The 311-wrom tooth; The 312-working end; The 313-working end; Worm gear in the middle of the 32-; The 33-worm screw; The 331-joint seat; The 332-annular groove; The 333-alignment pin; The 334-alignment pin; The 34-lever; The 341-thread segment; The 35-battery; The 36-motor; The 37-gear-box; The 38-output revolving shaft; The 381-connector; The 39-spiral cover; The 40-C type is buckled; The 41-change-over switch; The 42-lever; The 421-joystick; The 43-screwdriver rod.

The specific embodiment

Understand in depth for your juror is had further the utility model, enumerate a preferred embodiment now, and cooperate graphic being described as follows:

See also Fig. 4, Fig. 5, Fig. 6, the utility model is that the front end at headstock 30 offers first storage tank 301 and second storage tank 302 that communicates, first storage tank 301 is the tool heads 31 that form wrom tooth 311 for installing one outer ring surface, described tool heads can be has the working end 312 of protruding the corner post kenel, or for having the working end 313 that connects angle pass attitude, 302 middle worm gears 32 of second storage tank for installing one and 311 engagements of tool heads 31 wrom tooths, first, two storage tanks 301,302 tops are buckled 305 with gland 304 and C type again tool heads 31 and middle worm gear 32 are limited in the headstock 30, in addition headstock 30 rear ends offer one can communicate with second storage tank 302 wear groove 303, for the worm screw 33 that stretches through, described worm screw 33 front ends are and middle worm gear 32 engagements, the rear end then forms polygonal joint seat 331, and make described joint seat 331 protrude out the rear end of headstock 30, deviate to wear groove 303 for fear of worm screw 33, and the engaged transmission of disengaging and middle worm gear 32, on worm screw 33, offer annular groove 332, and insert alignment pin 333 with respect to 332 liang of side positions of described annular groove in headstock 30 outsides, 334, so that worm screw 33 can not produce the situation that moves forward and backward when rotating, and then when worm screw 33 is rotated, can utilize the transmission of worm and wormwheel group, the tool heads 31 that drives in the headstock 30 is rotated.

See also Fig. 7, Fig. 8, Fig. 9, when the utility model uses in the power operation pattern, it is to link installing lever 34 in the rear end of headstock 30, be to be equiped with supplying cell 35 in the described lever 34, motor 36 and the gear-box 37 that links motor 36, described supplying cell 35 can be general battery or is rechargeable battery, maybe can connect rectifier and by the power supply of general domestic power supply, with CD-ROM drive motor 36 starts, gear-box 37 is that the rotating speed of motor 36 is slowed down to after the slow-speed of revolution, be provided with output revolving shaft 38 outputting powers of polygonal hole connector 381 again by an end, when described output revolving shaft 38 links mounted head seat 30 at lever 34, its connector 381 can link mutually with the joint seat 331 of worm screw 33 rear ends, transfer to worm screw 33 with outputting power with output revolving shaft 38, be combined in the rear end of headstock 30 for the ease of lever 34 linking sleeves, on headstock 30, be arranged with a spiral cover 39, described spiral cover 39 is also buckled 40 spacing with a C type, lever 34 front ends then offer thread segment 341, when lever 34 links assembling headstock 30, can utilize spiral cover 39 to screw togather the thread segment 341 that links lever 34, and lever 34 is after linking headstock 30, it still can drive spiral cover 39 and rotate along headstock 30, the outside of lever 34 is provided with change-over switch 41 in addition, to control turning to of motor 36, make tool heads 31 do rotations forward or backwards with the switch current direction and can directly control; When pushing change-over switch 41 when motor 36 is rotated, output revolving shaft 38 can drive worm screw 33 and rotate, transmission via the worm and wormwheel group, the tool heads 31 that middle worm gear 32 can drive in the headstock 30 is rotated, and then in power operated mode, power is used in driven tool 31 start fully, reaches effective transmission power to carry out the dismounting operation.

See also Fig. 8, Figure 10, make motor 36 stop start or user when selecting manual operation when supplying cell 35 power shortages, be directly to rotate lever 34 in manual mode, the lever 34 and the spiral cover 39 of front end are rotated along headstock 30 rear ends, because motor 36 is to be installed in the lever 34 with the gear-box 37 that links motor 36, and gear-box 37 interlock output revolving shafts 38, therefore output revolving shaft 38 can drive worm screw 33 rotations, and then drive worm and wormwheel group drives to tool heads 31, and under the framework of power operation pattern, carry out manually operated pattern, provide the user to select operation to carry out the dismounting operation.

See also Fig. 8, Figure 11, the utility model another kind is carried out manually operated pattern under the framework of power operation pattern, it is directly to pull lever 34 swings, pin 333,334 is limited in wearing in the groove 303 of headstock 30 because worm screw 33 has been positioned, therefore worm screw 33, middle worm gear 32 are not having under the power of driving with wrom tooth 311, be to be to nibble dead state mutually, so when lever 34 swings, but interlock headstock 30 and moving band tool heads 31 is rotated, provide the user to select operation to carry out the dismounting operation, it can or use when unscrewing object at first at final locking object.

See also Figure 12, Figure 13, the manually operated pattern architecture of the utility model, it is the manual driven tool of joint seat 331 binding assemblings with the worm screw rear end in the headstock 30, but described driven tool is as the lever 42 of folding joystick 421, it can drive lever 42 by joystick 421 and make the start of worm and wormwheel group, and rotate, and then, provide the user to select operation to carry out the dismounting operation with manually operated pattern with the tool heads 31 that manual mode drives in the headstock 30.

See also Figure 14, Figure 15, the utility model at lever 34 with after headstock separates, output revolving shaft 38 in the described lever 34 has polygonal hole connector 381 because of it, but utilize described polygonal hole connector 381 socket screwdriver rods 43, because motor 36 is to be installed in the lever 34 with gear-box 37, and gear-box 37 interlock output revolving shafts 38, so output revolving shaft 38 can drive screwdriver rod 43 rotations, and then can provide manually operated pattern by lever 34, provide the user to select to use.

More than explanation is just illustrative for the utility model, and it is nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited, can make many modifications, variation or equivalence, but but all will fall within the claim restricted portion of the present utility model.

Claims

One kind convertible manually or the Wrench of electric operating pattern, it is characterized in that: include:

Headstock: it is to offer first storage tank and the groove of wearing that communicates at front end;

Tool heads: it is arranged in first storage tank of headstock, and its at least one end has the working end, and is provided with wrom tooth at outer ring surface;

Worm screw: it is arranged on wearing in the groove of headstock, the wrom tooth engagement of described worm screw front end and tool heads, and the rear end then is provided with joint seat.
2. according to claim 1 convertible manually or the Wrench of electric operating pattern, it is characterized in that: more in described headstock, be provided with first storage tank with wear second storage tank that groove communicates, and the middle worm gear of installing one and tool heads wrom tooth and worm engaging transmission in second storage tank.
3. according to claim 1 convertible manually or the Wrench of electric operating pattern, it is characterized in that: be to be provided with gland and the C type is buckled above first storage tank of headstock, so that tool heads is limited in the headstock.
4. according to claim 1 convertible manually or the Wrench of electric operating pattern, it is characterized in that: be to offer annular groove on worm screw, and inserted alignment pin with respect to described annular groove two side positions, with spacing worm screw in the headstock outside.
5. according to claim 1 convertible manually or the Wrench of electric operating pattern, it is characterized in that: more the worm screw rear end in headstock links installing and has the lever of motor, and is rotated by the motor-driven tool head.
6. according to claim 5 convertible manually or the Wrench of electric operating pattern, it is characterized in that: be to be arranged with one to buckle spacing spiral cover in described headstock rear end with the C type, and then offer thread segment at the lever front end, screw togather the thread segment of lever with spiral cover, and the lever binding is assembled in the rear end of headstock.
7. according to claim 5 convertible manually or the Wrench of electric operating pattern, it is characterized in that: be to be equiped with supplying cell, motor and gear-box in the described lever, the output revolving shaft of gear-box is to link to be installed on the joint seat of worm screw rear end, and is provided with the change-over switch that the control motor turns in the outside of lever.
8. according to claim 7 convertible manually or the Wrench of electric operating pattern it is characterized in that: the supplying cell in the described lever is general battery or is rechargeable battery, maybe can connect rectifier and by general domestic power supply power supply.
9. according to claim 7 convertible manually or the Wrench of electric operating pattern, it is characterized in that: the gear-box output revolving shaft end in the described lever is to be provided with polygonal hole connector, links mutually with the joint seat with the worm screw rear end.
10. according to claim 1 convertible manually or the Wrench of electric operating pattern, it is characterized in that: more the worm screw rear end in described headstock links the manual driven tool of installing.
11. according to claim 10 convertible manually or the Wrench of electric operating pattern, it is characterized in that: described manual driven tool is the lever with manual rocking bar.