CN103909501B

CN103909501B - Hand-held tool

Info

Publication number: CN103909501B
Application number: CN201310006329.4A
Authority: CN
Inventors: 张士松; 钟红风; 马一纯; 徐静涛
Original assignee: Positec Power Tools Suzhou Co Ltd
Current assignee: Positec Power Tools Suzhou Co Ltd
Priority date: 2013-01-08
Filing date: 2013-01-08
Publication date: 2016-04-27
Anticipated expiration: 2033-01-08
Also published as: CN103909501A

Abstract

The present invention relates to a kind of hand-held tool, comprising: casing; Output shaft, has the accepting hole of the accommodation working head axially arranged; Working head supporting mechanism, comprises several collecting storehouses for accommodating working head; Connector, axially-movable between the operating position that can connect at the working head making to be housed in through one of them collecting storehouse in this collecting storehouse and output shaft and the off-position exiting this collecting storehouse; Operating parts, for the axially-movable of control connection part; Automatic switching control equipment, in response to operating parts motion and the position of working head supporting mechanism is regulated; Mode selector, operationally makes automatic switching control equipment select to be in following wherein a kind of pattern: sequential adjustment pattern, and automatic switching control equipment driving working head supporting mechanism moves along a direction and makes different collecting storehouses corresponding with accepting hole; Reciprocal shaping modes, automatic switching control equipment drives between position corresponding with accepting hole respectively, two the collecting storehouses of working head supporting mechanism in several collecting storehouses and moves back and forth.

Description

Hand-held tool

Technical field

The present invention relates to a kind of hand-held tool, particularly relate to and a kind ofly realize the storage of working head and quick-replaceable drill gun class hand-held tool.

Background technology

In existing drill gun class hand-held tool, generally include electric drill, electric screw driver and percussion drill.

Electric screw driver be for by screw-driving to a kind of conventional electric tool on workpiece.In time needing the screw tightening different size in use procedure, change different working heads according to the difference of screw specification, namely screwdriver bit, namely the original working head installed will be taken off, then load onto the working head of another kind of structure.Under the use occasion needing frequent replacing working head, bring great inconvenience to operator, cause replacing working head on the one hand loaded down with trivial details, easy loss placed everywhere by the working head taken off on the other hand.Although, in some hand-operated tools, have some storage that can realize working head and quick-replaceables, due to the inherent defect of hand-operated tools, namely moment of torsion is little, and operation is hard, makes operator be easy to fatigue, cause inefficiency, be not suitable for using as the instrument of specialty in the industry.

Chinese utility model patent CN201086280Y discloses a kind of Multi-tool head electric tool, comprise power tool body and multi-knife-head rotaring wheel structure, multi-knife-head rotaring wheel structure comprises the multi-knife-head runner cylinder that can be accommodated multiple cutter head, multi-knife-head runner cylinder can be connected with tool body in axial sliding, when multi-knife-head runner cylinder slides into the position away from tool body, by rotating multi-knife-head runner cylinder thus the cutter head of selection needs.So just need first to operate multi-knife-head runner cylinder to move cutter head sleeve is separated with runner cylinder, then rotating wheel cylinder is to select screwdriver bit, operating can be cumbersome.

If make Multi-tool head electric tool improve further, the device of automatic switchover cutter head can be set on Multi-tool head electric tool, as long as that is operation is separated with multi-knife-head runner cylinder through the axle of multi-knife-head runner cylinder, multi-knife-head runner cylinder just can be automatically handed over the operable position of next cutter head.But the device of automatic switchover cutter head is merely able to drive multi-knife-head runner cylinder to rotate along a direction, and the cutter head that selection one may be caused to need needs operation repeatedly, thus it is more loaded down with trivial details to operate.

Summary of the invention

The object of the present invention is to provide a kind of easy to operate hand-held tool.

The technical solution adopted for the present invention to solve the technical problems is: a kind of hand-held tool, comprising: casing; Output shaft, has the accepting hole of the accommodation working head axially arranged; Working head supporting mechanism, be arranged at least partly in casing, described working head supporting mechanism comprises several the collecting storehouses be set up in parallel for accommodating working head, and described working head supporting mechanism can be adjusted to the position corresponding with described accepting hole, one of them collecting storehouse; Connector, be arranged in casing, described connector can accommodate in storehouse and axially-movable the off-position be separated with this collecting storehouse making to be housed in operating position that the working head in this collecting storehouse and output shaft connect through in several collecting storehouses and exit several; Operating parts, is arranged on described casing for controlling described connector axially-movable; Automatic switching control equipment, in response to described operating parts motion and the position of working head supporting mechanism is regulated; Described hand-held tool also comprises mode selector, described mode selector operationally makes automatic switching control equipment select to be in following wherein a kind of pattern: sequential adjustment pattern, and described automatic switching control equipment driving working head supporting mechanism moves along a direction and makes different collecting storehouses corresponding with accepting hole; Reciprocal shaping modes, described automatic switching control equipment drives between position corresponding with accepting hole respectively, two the collecting storehouses of working head supporting mechanism in several collecting storehouses and moves back and forth.

Preferably, mode selector comprises the model selection button be arranged on operating parts, and described model selection button can rotate relative to operating parts to select different operator schemes.

Preferably, one of described model selection button and described both operating parts are provided with at least two grooves, the another one of described model selection button and described both operating parts is provided with keeper, and described keeper can be selected from different engagement thus described model selection button be remained on the position of corresponding different mode.

Preferably, described working head supporting mechanism has the rotation being parallel to output shaft axis, and described sequential adjustment pattern comprises the first sequential adjustment pattern that described working head supporting mechanism moves clockwise around rotation and the second sequential adjustment pattern around rotation counterclockwise motion.

Preferably, described automatic switching control equipment comprises the movement locus selecting arrangement be connected on operating parts, and described mode selector is connected with movement locus selecting arrangement and can limits or allow the motion of described movement locus selecting arrangement thus make automatic switching control equipment in sequential adjustment pattern or back and forth change between shaping modes.

Preferably, described operating parts is provided with chute, described automatic switching control equipment also comprises the sliding pin for driving working head supporting mechanism to move, described sliding pin can along the first track or the second orbiting motion in chute, under sequential adjustment pattern, described sliding pin select under the guide effect of movement locus selecting arrangement one along the first track or the second orbiting motion; Under reciprocal shaping modes, described sliding pin under the guide effect of movement locus selecting arrangement in turn along the first track and the second orbiting motion.

Preferably, described movement locus selecting arrangement comprises the guide plate be arranged in chute, and described guide plate pivotable is installed on operating parts, and described mode selector comprises the locating part coordinated with guide plate, under sequential adjustment pattern, described locating part restricted guidance plate rotates; Under reciprocal shaping modes, described locating part allows guide plate to rotate.

Preferably, described mode selector comprises pivotable and is installed on model selection button on operating parts, and described locating part is arranged relative to the rotation axis off-center of model selection button.

The present invention solves the another kind of technical scheme that its technical problem adopts: a kind of hand-held tool, comprising: casing; Output shaft, has the accepting hole of the accommodation working head axially arranged; Working head supporting mechanism, be arranged at least partly in casing, described working head supporting mechanism comprises several the collecting storehouses be set up in parallel for accommodating working head, and described working head supporting mechanism can be adjusted to the position corresponding with described accepting hole, one of them collecting storehouse; Connector, be arranged in casing, described connector can accommodate in storehouse and axially-movable the off-position be separated with this collecting storehouse making to be housed in operating position that the working head in this collecting storehouse and output shaft connect through in several collecting storehouses and exit several; Operating parts, is arranged on described casing for controlling described connector axially-movable; Automatic switching control equipment, in response to described operating parts motion and the position of working head supporting mechanism is regulated; Described hand-held tool also comprises mode selector, described mode selector operationally makes automatic switching control equipment select to be in following wherein a kind of pattern: forward shaping modes, and described automatic switching control equipment driving working head supporting mechanism moves along first direction and makes different collecting storehouses corresponding with accepting hole; Reverse shaping modes, described automatic switching control equipment drives working head supporting mechanism to make different collecting storehouses corresponding with accepting hole along moving in the opposite direction from first party.

Preferably, described working head supporting mechanism has the rotation being parallel to output shaft axis, and described working head supporting mechanism can rotate clockwise or counterclockwise around its rotation.

Preferably, described automatic switching control equipment comprises the movement locus selecting arrangement be connected on operating parts, described mode selector be connected with movement locus selecting arrangement and can limit described movement locus selecting arrangement move along contrary both direction in a direction move and make automatic switching control equipment at forward shaping modes or oppositely change between shaping modes.

Preferably, described operating parts is provided with chute, described automatic switching control equipment also comprises the sliding pin for driving working head supporting mechanism to move, described sliding pin can along the first track or the second orbiting motion in chute, under forward shaping modes, described sliding pin slides along the first track under the effect of movement locus selecting arrangement; Under reverse shaping modes, described sliding pin slides along the second track under the effect of movement locus selecting arrangement.

Preferably, described movement locus selecting arrangement comprises the guide plate be arranged in chute, described guide plate pivotable is installed on operating parts, described mode selector comprises the locating part coordinated with guide plate, under forward shaping modes, described locating part restricted guidance plate rotates and guide plate guiding sliding pin is slided along the first track; Under reverse shaping modes, described locating part restricted guidance plate rotates and guide plate guiding sliding pin is slided along the second track.

Preferably, described hand-held tool also comprises: motor, is arranged in casing, and outputting rotary power; Transmission mechanism, is arranged between motor and output shaft and also the rotary power that motor exports can be passed to output shaft.

Compared with prior art, the invention has the beneficial effects as follows: hand-held tool of the present invention without the need to manual toggle working head supporting mechanism to select working head, only need operate connector leaves the automatic quick-replaceable that working head supporting mechanism can realize working head, and the problem that before being solved by operator scheme selecting arrangement, automatic switchover direction is single, to the space that user selects.User can select different switching modes according to demand, comprises forward, reverse and reciprocal three kinds of switch modes, improves operating efficiency, and the process of switch operating head accurately and reliably simultaneously.

Accompanying drawing explanation

Fig. 1 be the hand-held tool in preferred first embodiment of the present invention in running order time sectional view.

Fig. 2 is the part isometric exploded view of hand-held tool in Fig. 1.

Fig. 3 be in Fig. 1 hand-held tool along the sectional view of A-A line.

Fig. 4 be in Fig. 3 hand-held tool along the sectional view of B-B line.

Fig. 5 be hand-held tool in running order time schematic perspective view.

Fig. 6 be hand-held tool in running order time slip lid part upward view.

Fig. 7 is the sectional view of the connecting axle of hand-held tool when being unlocked.

Fig. 8 is the upward view of the slip lid part of the connecting axle of hand-held tool when being unlocked.

Fig. 9 is the connecting axle of hand-held tool sectional view when being in release conditions.

Figure 10 is the upward view of the connecting axle of hand-held tool slip lid part when being in release conditions.

Figure 11 is the sectional view after the position of the storage folder of hand-held tool is conditioned.

Figure 12 is that the position of the storage folder of hand-held tool is conditioned the upward view of rear slip lid part.

Figure 13 be in Figure 11 hand-held tool along the sectional view of C-C line.

Figure 14 is the schematic perspective view after the position of the storage folder of hand-held tool is conditioned.

Figure 15 be the connecting axle of hand-held tool when getting back to operating position from release conditions and controlling organization reset before sectional view.

Figure 16 be the connecting axle of hand-held tool when getting back to operating position from release conditions and controlling organization reset before the upward view of slip lid part.

Figure 17 be the hand-held tool in preferred second embodiment of the present invention in running order time sectional view.

Figure 18 is the top view of the slip lid of hand-held tool in Figure 17.

Figure 19 is the part isometric exploded view of hand-held tool in Figure 18.

Figure 20 is the upward view of the slip lid of hand-held tool in Figure 17, and now forward shaping modes selected by model selection button.

Figure 21 is the schematic diagram that the storage folder of hand-held tool in Figure 17 is in forward shaping modes.

Figure 22 and Figure 20 is similar, and now reverse shaping modes selected by model selection button.

Figure 23 is the schematic diagram that the storage folder of hand-held tool in Figure 22 is in reverse shaping modes.

Figure 24 and Figure 20 is similar, and now shaping modes repeatedly selected by model selection button, and wherein sliding pin first slides into the first chute.

Figure 25 is the schematic diagram that the storage folder of hand-held tool in Figure 24 is in repeatedly shaping modes, wherein stores double-layered quilt along forward drive to corresponding position axial with accepting hole, next collecting storehouse.

Figure 26 and Figure 20 is similar, and now shaping modes repeatedly selected by model selection button, and wherein sliding pin slides into the second chute again.

Figure 27 is the schematic diagram that the storage folder of hand-held tool in Figure 26 is in repeatedly shaping modes, wherein stores double-layered quilt along being driven inversely to corresponding position axial with accepting hole, a collecting storehouse.

Wherein,

1. casing 2. motor 3. transmission mechanism

4. output shaft 6. battery 7. press button

9. working head 11. handle 13. fore shell

15. gathering sill 16. stop block 21. motor shafts

22. gear-box 30. pinion gear mechanism 31. planetary gear reducing mechanisms

40. axle sleeve 41. accepting hole 50. fixed blocks

51. connectors 52. store folder 53. slip lid

55. locking pieces of 60. controlling organization 61. ratchets

62. supporting seat 63. torsion spring 65. torsion springs

66. stop post 71. oscillating deck 72,72a. chute

74. guide plate 81. limited block 82. bearing pins

83. torsion spring 171. model selection button 172. cam pins

173. flat square cotter 174. pin 175. Location resilient pieces

221. dividing plate 223. toothed wheel box cover plate 225. arched members

226. gripper shoe 301. first gear 302. second gears

303. the 3rd gear 511. magnet 521. accommodate storehouse

522. locating slot 531. guide rail 535. first locking groove

536. second locking groove 538. separate lock section 551. first projection

552. second projection 553. flexure strip 701. first chutes

Chute 711. sliding pin in the middle part of 702. second chutes 703.

712. shift fork 713. finger 721. switching parts

722. reset portion 723. straight flange 724. hypotenuses

725. baffle plate 1711. locating slot 2261. first stopper sections

Bore a hole 2264. stage clips in 2262. second stopper sections 2263.

Detailed description of the invention

In preferred first embodiment of hand-held tool of the present invention, hand-held tool is powered screwdriver, pneumatic screw driver can be divided into according to the difference of power source, surge screwdriver and electric screw driver, also have direct current and dividing of exchanging in electric screw driver, present embodiment is specifically described for DC electric screwdriver.

Shown in Fig. 3, this DC electric screwdriver comprises casing 1, motor 2, battery 6, transmission mechanism 3, connector 51, working head supporting mechanism and output shaft 4.Casing 1 is closed up by symmetrical two and half housings assembled by screw (not shown), its handle 11 part that there is horizontal component and arrange in obtuse angle with horizontal component, the preferred angle of the present invention, can be pleasant when such gripping handle 11 operates between 100 degree to 130 degree.Be provided with press button 7 on the top of handle 11 part, battery 6 is fixed on the rear portion of handle 11 part of casing 1, and transmission mechanism 3 partial fixing is housed in the horizontal component of casing 1.As preferred embodiment, this battery 6 can be lithium ion battery.It should be noted that, here the general name of said lithium ion battery to be negative material the be rechargeable battery of elemental lithium, according to the difference of positive electrode, it can form many systems, as " lithium manganese " battery, and " lithium iron " battery etc.In the present embodiment, the lithium ion battery of lithium ion battery to be a joint rated voltage be 3.6V (volt).Certainly, battery 6 also can be the battery types well known to those skilled in the art such as NI-G, ni-mh.

Transmission mechanism 3 comprises by (be rear with the right side of drawing) before backward the planetary gear reducing mechanism 31 and pinion gear mechanism 30 that are driven by motor 2, wherein pinion gear mechanism 30 is connected with connector 51, and by connector 51, the rotary motion of motor 2 is passed to output shaft 4.Wherein store folder 52 for storing different working heads, here working head mainly refers to that crosspoint tip screwdriver head that electric screw driver is conventional, flat blade screwdriver are first-class, move axially through to store folder or leave by operation connector and store folder, just can quick-replaceable is different when electric screw driver is tightened or unclamped different screws working head.

Motor in the preferred embodiment for the present invention is motor 2, and motor 2 has the motor shaft 21 extended forward from electric machine casing.Motor 2 is fixed in casing 1, one gear-box 22 to be fixed in casing 1 and to be positioned at the front portion of motor 2, gear-box 22 is for accommodating planetary gear reducing mechanism 31 and pinion gear mechanism 30, by arranging dividing plate 221 between planetary gear reducing mechanism 31 and pinion gear mechanism 30, the two is separated, and between gear-box 22 and storage folder 52, toothed wheel box cover plate 223 is set, transmission mechanism 3 and storage folder 52 can be separated like this, namely transmission mechanism 3 and storage folder 52 are separate.Pinion gear mechanism 30 comprises can the first gear 301 of being connected of transmitting torque with planetary gear reducing mechanism 31, the 3rd gear 303 be connected with connector 51 and the second gear 302 engaged with the first gear 301 and the 3rd gear 303, the rotation of the first gear 301 is passed to the 3rd gear 303 by the second gear 302, and the two ends of each gear are supported by axle sleeve.The middle part of dividing plate 221 is provided with the hole supplying the axle of the first gear 301 to pass, the end face of dividing plate 221 is provided with the groove for installing axle sleeve, the rear axle housing supporting pinion gear mechanism 30 is fixed on dividing plate 221, front shaft sleeve is fixed on toothed wheel box cover plate 223, toothed wheel box cover plate 223 and gear-box 22 are fixedly linked by screw, buckle etc., so, namely pinion gear mechanism 30 and planetary gear reducing mechanism 31 can be separated, both can be closed again simultaneously, prevent dust, powder etc. from entering transmission mechanism 3 inner, also can prevent the leakage of lubricating oil.In addition, three gears are set just in order to make the inner space of instrument compacter, thus do not affect the attractive in appearance of outside.Certainly, also can be arranged to two gears as required, one is connected with planetary gear reducing mechanism 31, and another is connected with connector 51.In addition, transmission mechanism 3 is not limited to above-described form, and transmission mechanism 3 can only include planetary gear reducing mechanism 31, or only includes pinion gear mechanism 30, or other rotary motion transmission mechanism, as ratchet mechanism, turbine mechanism etc.Wherein planetary gear reducing mechanism 31 has three grades of deceleration systems, motor shaft 21 extension is engaged with planetary gear reducing mechanism 31, rotary motion is passed to pinion gear mechanism 30 by planetary gear reducing mechanism 31, and pinion gear mechanism 30 is with follower link 51 to rotate, and connector 51 again driver output axle rotates.When such motor 2 runs, by planetary gear reducing mechanism 31, pinion gear mechanism 30, finally exported by output shaft 4.This shows, the driving-chain in present embodiment is motor-transmission mechanism-connector-output shaft, and namely connector is as a part for driving-chain.In addition, reducing gear is made up of three stage planetary reduction and the two poles of the earth parallel axes deceleration system and obtains wanted output speed, in other embodiments, depending on the required rotating speed exported, reducing gear can only include two-stage planetary reduction system, or other deceleration systems.

The preferred working head supporting mechanism of the present invention is for storing folder 52, and casing 1 is slidably connected with slip lid 53, slip lid 53 can be with follower link 51 to move axially.Casing 1 comprises the fore shell 13 being connected to its front end, and the part storing folder 52 is housed in fore shell 13, and another part is covered along with moving of slip lid 53 by slip lid 53 and exposes.The present invention preferably stores folder 52 for cylindric, conveniently rotates, and takes up room little simultaneously, can certainly be arranged to square or leg-of-mutton etc.When electric screw driver work, slip lid 53 abuts with fore shell 13, storage folder 52 all can be closed with connector 51 like this.On toothed wheel box cover plate 223, the position of corresponding connector 51 is provided with the hole passed for connector 51, gear-box 22 there is arched member 225 around connector 51 Axis Extension, arched member 225 can be wholely set with gear-box 22, also can be provided separately, can by partially enclosed for connector 51 by arranging arched member 225, when electric screw driver carries out change working head 9, namely the position that slip lid 53 moves to rearmost end also out exposed for connector 51, can not can prevent the inside of the entering tool such as dust, powder like this.And toothed wheel box cover plate 223 extends to the end face of arched member 225, thus vertically by transmission mechanism 3 integrally closed together.In the course of the work, storage folder 52 can be closed by slip lid 53, thus prevents dust from entering, and when working head changed by needs, removes slip lid 53 and can expose storage folder 52, the working head that convenient selection is different.

Output shaft 4 is form of sleeve, generally output shaft arranges hexagonal hole, can installment work 9 in it, working head cross section is the hexagon matched with hexagonal hole, connector 51 of the present invention is also hexagon, hexagonal hole is provided with in 3rd gear 303, for connecting with connector 51 and rotary power being passed to connector 51, such connector 51 inserts output shaft 4 and output shaft 4 can be driven to rotate, and then drive working head 9 to rotate by output shaft 4, the working head 9 of standard can be used like this, and without the need to offering the hole of collecting working head 9 on connector 51, avoid the weight and volume of the excessive increase complete machine of connector 51 diameter.Output shaft 4 is supported in the axial aperture 131 of fore shell 13 by an axle sleeve 40, and axle sleeve 40 provides radial support to output shaft 4, can certainly be realized the radial support of output shaft 4 by bearing.Like this, what directly drive working head 9 to rotate is output shaft, shorten the distance of torque transfer, thus the use of instrument is more reliable.Above-described is that connector moves the mode of working head rotation by output shaft indirect belt, but, those skilled in the art are easy to expect that other transmission means substitutes, such as connector directly drives working head to rotate, namely connector directly with working head can the mode of transmitting torque be connected, or output shaft is driven by direct geared, and connector only stores folder for releasing working head and driving working head to get back to.

The front end of connector 51 is provided with magnet 511, for adsorbing working head 9, when selecting good berth head 9, slip lid 53 can be operated with the collecting storehouse 521 of follower link 51 through this working head 9 of collecting, magnet 511 on working head 9 connected piece 51 adsorbs, and under the promotion of connector 51, leave collecting storehouse 521, enter output shaft 4.When work, connector 51 drives output shaft 4 to rotate, and output shaft 4 drives working head 9 to rotate.

Electric screw driver needs working head 9 to be axially pressed on screw or workpiece when operating, such work 9 can be subject to a reverse responsive to axial force, move after producing connector 51, on connector 51 of the present invention, axial restraint is provided with a fixed block 50, the rear end of connector 51 is rotating to be against on fixed block 50, the place closing on fixed block 50 in the rear end of connector 51 is provided with the position-limit mechanism preventing connector 51 from retreating, position-limit mechanism comprises pivotable limited block 81, along the torsion spring 83 of limited block 81 pivotal orientation bias voltage limited block 81.Wherein fixed block 50 is caught in one end of limited block 81, and the other end is arranged on gear-box 22 or on casing 1 by a bearing pin 82, and the axes normal of bearing pin 82 is in the axis of connector 51, and limited block 81 can rotate within the scope of certain angle around bearing pin 82.One end of torsion spring 83 is fixed on limited block 81, and the other end is against on gear-box 22 or on casing 1, and the elastic force of torsion spring 83 makes limited block 81 remain on the position offseted with fixed block 50.Such position-limit mechanism 8 preferably arranges two, and the axisymmetrical along connector 51 distributes, and can keep stress balance like this, makes the axial limiting of connector 51 more reliable.

Slip lid 53 moves by the mode band follower link 51 be connected with fixed block 50, when needs mobile link part 51, namely can remove the restriction to connector 51 movement by slip slip lid 53.Fixed block 50 has the square of hollow, the inside of slip lid 53 is provided with locking piece 55, there is for locking piece 55 the first projection 551 stretching into fixed block 50 hollow bulb, in the duty of electric screw driver, the rear side axially spaced-apart of projection and fixed block 50 hollow has distance S, when slip lid 53 slides backward, namely slide in the direction towards motor 2, slide after distance S, first projection 551 axially abuts with the rear side of fixed block 50 hollow, thus slip lid 53 drives fixed block 50 to be then with follower link 51 axially to move backward; In the state of the replaceable working head of electric screw driver, first projection 551 has distance S with the front side axially spaced-apart of fixed block 50 hollow, when slip lid 53 forward slip, namely slide in the direction towards output shaft 4, slide after distance S, the front side shaft of the first projection 551 and fixed block 50 hollow is to abutting, thus slip lid 53 drives fixed block 50 to be then with follower link 51 axially to move forward.Slip lid 53 inside is provided with the solution lock section 538 matched with limited block 81, when slip lid 53 moves backward, separate a contacts side surfaces of lock section 538 and limited block 81, and the elastic force effect that limited block 81 overcomes torsion spring 83 under the drive of separating lock section 538 rotates around bearing pin 82, until limited block 81 and fixed block 50 are thrown off, fixed block 50 is unlocked, thus limited block 81 is in the position allowing connector 51 axially-movable.Connector 51 continues to move axially, and limited block 81 is stuck in the two ends of fixed block 50, now just can carry out replacing working head.This shows, before slip lid 53 moves with follower link 51, first sliding distance S is the restriction removing the axially-movable of limited block 81 pairs of connectors 51, as long as therefore the movement that distance S meets slip lid 53 can remove the locking of limited block 81 pairs of connectors 51 axially-movable.After working head is more finished changing, slip lid 53 moves forward, band follower link 51 and fixed block 50 also move forward, separate lock section 538 again contact with the side of limited block 81 and separate along with the reach of slip lid 53, limited block 81 comes back to the position axially offseted with fixed block 50 under the effect of torsion spring 83, when such electric screw driver work, output shaft 4 is stretched in connector 51 front end, be located at fixed block 50 limited piece of 81 axial limitings of connector 51 rear end, the axially-movable of such connector 51 is limited, namely connector 51 cannot retreat, thus the use of electric screw driver is more reliable.

Certainly, the mode of slip lid 53 with follower link 51 movement also has a lot, as the annular groove around its outer week Monday can be arranged on connector 51, slip lid 53 is extend in annular groove by a pin or steel wire ring and is connected with connector 51, so neither affect the rotation of connector 51, also do not affect the movement of slip lid 53 with follower link 51.No matter be which kind of mode, its principle is all that slip lid first has one section of idle stroke, and namely slip lid 53 moves relative to casing 1 before this, and connector 51 is fixed relative to casing 1, and then slip lid 53 is with follower link 51 to move again.

And, those skilled in the art are also easy to the locking expecting also realizing removing the axially-movable of limited block 81 pairs of connectors 51 without the need to the mode by slip lid 53 movement, as arranged the knob be connected with limited block 81 outward at casing 1, limited block 81 is driven to overcome spring force rotation or move by rotating knob; Or the toggle or button that are connected with limited block 81 are set outward at casing 1, also limited block 81 can be driven to overcome spring force rotation or move etc. by promoting toggle or pressing button, the locking removing the axially-movable of limited block 81 pairs of connectors 51 can be realized.

In addition, can arrange flexible member between slip lid 53 and casing 1 or gear-box 22, slip lid 53 can be blocked by the snap close on casing 1 back to during terminal position, can automatically return to the position of duty when slip lid 53 is released under elastic force.

The edge of slip lid 53 is provided with guide rail 531, and corresponding casing 1 is provided with gathering sill 15, and slip lid 53 is arranged in gathering sill 15 can be slid axially relative to casing 1 by its guide rail 531.Certainly, also can be that slip lid 53 arranges gathering sill, mode casing 1 being arranged guide rail makes slip lid move.

Store that folder 52 is rotatable is supported between toothed wheel box cover plate 223 and output shaft 4, store on folder 52 and be evenly distributed with multiple collecting storehouse 521 along its circumferencial direction, along storage folder 52, axially a part is closed in collecting storehouse 521, part excircle opens wide, such handled easily person selects the shape that can be easy to see from the part of opening wide working head 9 head during working head 9, thus selects the working head 9 of needs fast.Certainly, those skilled in the art are easy to expect, collecting storehouse 521 also can be totally enclosed, only need identify in the position of correspondence, or directly make transparent by storage folder 52, can conveniently identify.In addition, elasticity location can be carried out between storage folder 52 and toothed wheel box cover plate 223, namely on the end face storing toothed wheel box cover plate 223 faced by folder 52, the position of corresponding working head 9 arranges locating slot 522, locating slot 522 is corresponding with collecting storehouse 521, toothed wheel box cover plate 223 is arranged the steel cap compressed by spring, or shell fragment, so, storage folder 52 often turns over a working head 9 steel cap or shell fragment all can send the voice prompt falling into locating slot 522, thus operator selects to avoid the angle of storage folder 52 rotation and connector 51 to stagger during working head 9.Foregoing is by the different working head of the way selection of storage folder 52 rotation, can certainly by storing the mode of intermediate straight line motion, and the radial direction that such as working head presss from both sides along storage is arranged side by side, and selecting just needs during working head radially to promote to store folder.Storing folder 52 in addition in the preferred embodiment of the present invention is axial restraints, move working head by connector 51 Axially moving belt enter output shaft and carry out work, connector axial restraint can certainly be arranged to, move axially by storing folder the mode rotating or move radially to select working head again, thus also can realize taking off the quick-replaceable that working head just can realize working head.

DC electric screwdriver in preferred first embodiment of hand-held tool of the present invention is provided with the automatic switching control equipment of automatic switchover working head, follower link 51 is with to leave collecting storehouse 521 as long as that is operate slip lid 53, remove the restriction to storing folder 52 motion, store the corresponding position axial with output shaft 4, collecting storehouse that folder 52 moves to next working head automatically under the effect of automatic switching control equipment, store folder 52 without the need to the rotation that operator is manual again and select working head.

Shown in Figure 16, automatic switching control equipment comprises for driving the controlling organization 60 storing folder 52 and move, controlling organization 60 comprises and stores the ratchet 61 that folder 52 is flexibly connected and the supporting seat 62 installing ratchet 61, one end of ratchet 61 is rotatable to be arranged on supporting seat 62, the other end can be stuck in the locating slot 522 of storage folder 52, arrange torsion spring 63 between ratchet 61 and supporting seat 62, the partial pressure that ratchet 61 is subject to torsion spring 63 keeps being stuck in locating slot 522.Wherein, supporting seat 62 is rotatable to be supported on toothed wheel box cover plate 223, and so, when supporting seat 62 drives ratchet 61 to rotate time, ratchet 61 can drive storage folder 52 to rotate together.Can support reliably to make supporting seat 62, gripper shoe 226 can be set between storage folder 52 and controlling organization 60, ratchet 61 arranges l-shaped, can cross gripper shoe 226 is stuck in locating slot 522, and the rotating shaft of supporting seat 62 also can be supported on toothed wheel box cover plate 223 in one end, the other end is supported in gripper shoe 226.The position of the corresponding connector 51 of gripper shoe 226 is provided with perforation 2263, passes, do not affect moving axially of connector 51 like this for connector 51.

In the present embodiment, rotarily drive storage folder 52 by drived control mechanism 60 to move, the first kind of way that drived control mechanism 60 rotates is that accumulation of energy drives, automatic switching control equipment also comprises the Storage Unit be connected with controlling organization 60, when connector 51 moves to operating position, the energy of Storage Unit is stored, and when connector 51 moves to off-position, the energy of Storage Unit is released and drives storage folder 52 to move with drived control mechanism 60.Preferred Storage Unit is torsion spring 65, be arranged between controlling organization 60 and gripper shoe 226, one end of torsion spring 65 is fixed in gripper shoe 226, the other end is connected on the supporting seat 62 of controlling organization 60, when connector 51 is in operating position, torsion spring 65 is in the state of compression, once connector 51 leaves the collecting storehouse 521 storing folder 52, controlling organization 60 can drive storage folder 52 to rotate under the effect of torsion spring 65.

The second way that drived control mechanism 60 rotates is actuated by cams, and namely controlling organization 60 is connected with slip lid 53, and after slip lid 53 control connection part 51 moves to off-position, the exercisable drived control mechanism 60 of slip lid 53 drives storage folder 52 to move.Movement preferably through slip lid 53 comes drived control mechanism 60 and rotates, slip lid 53 leaves the collecting storehouse 521 storing folder 52 with follower link 51 after, slip lid 53 continues to move relative to casing 1, and drive controlling organization 60 to rotate simultaneously, be namely the rotary motion of controlling organization 60 by the transform linear motion of slip lid 53 by steering mechanism.What steering mechanism was conventional has pinion and-rack, worm stylus pin formula, circulating ball-rack tooth fan formula, circulating ball crank stylus pin formula, worm screw guide wheel type, cam-type, crank-linkage type etc.

In automatic switching control equipment, preferred steering mechanism is connected to the movement conversion mechanism between controlling organization 60 and slip lid 53, the rotary motion of movement conversion mechanism for by the transform linear motion of slip lid 53 being controlling organization 60.Movement conversion mechanism comprises one relative to the oscillating deck 71 of casing 1 pivotable, and the middle part of oscillating deck 71 is provided with rotating shaft, and rotating shaft can be arranged on the arch portion 225 of gear-box 22.Oscillating deck 71 is provided with sliding pin 711 relative to one end of rotating shaft, and the other end forms shift fork 712.The inside top of slip lid 53 is provided with the chute 72 coordinated with sliding pin 711, chute 72 arranges the shape being roughly parallelogram along horizontal direction, article two, straight flange is parallel to the axis of connector 51, article two, hypotenuse forms switching part 721 and the reset portion 722 of chute 72 respectively, sliding pin 711 is along with the movement of slip lid 53 is along the boundary slip of chute 72, often through a switching part 721 or reset portion 722, namely one end that oscillating deck 71 forms shift fork 712 swings around rotating shaft.The shift fork 712 of oscillating deck 71 is directly connected with the supporting seat 62 of controlling organization 60, is so just the rotation of controlling organization 60 by the transform linear motion of slip lid 53.

Further, between oscillating deck 71 and controlling organization 60, transferring rotational motion can be carried out by gear mechanism.The shift fork 712 of oscillating deck 71 connects the first travelling gear 73, first travelling gear 73 can be supported between toothed wheel box cover plate 223 and gripper shoe 226, first travelling gear 73 has a radial convex handle 732 protruded and is connected with shift fork 712, and the supporting seat 62 of controlling organization 60 is formed the second travelling gear 623, the rotation that shift fork 712 is converted into the first travelling gear 73 around the swing of rotating shaft can be passed to the second travelling gear 623 by the first travelling gear 73 and the engagement of the second travelling gear 623 then again, thus supporting seat 62 drives ratchet 61 to rotate.As long as because controlling organization 60 drives store the angle that folder 52 turns over a working head, as arranged six working heads, store folder and turn over 60 degree, so the first travelling gear 73 and the second travelling gear 623 are without the need to 360 degree of rotations, only need set according to the anglec of rotation storing folder 52, therefore the first travelling gear 73 and the second travelling gear 623 can be arranged to sector gear, teeth portion and the convex handle 732 of such first travelling gear 73 can be set to diametrically, the gear of the second travelling gear 623 and the part of installation ratchet 61 also can be diametrically, compact conformation can be made like this, save material.

Certainly, controlling organization 60 also can be other form by the mode that accumulation of energy drives, such as torsion spring is set between oscillating deck 71 and gear-box 22, one end of torsion spring is fixed on gear-box 22, the other end is connected on oscillating deck 71, and when connector 51 is in operating position, torsion spring is in the state of compression, once connector 51 leaves store the collecting storehouse 521 of folder 52, oscillating deck 71 drives the first travelling gear 73 to rotate then to drive supporting seat 62 to rotate under the effect of torsion spring.Or between the first travelling gear 73 and gripper shoe 226 (or toothed wheel box cover plate 223), torsion spring is set, one end of torsion spring is fixed on the first travelling gear 73, the other end is connected in gripper shoe 226 (or toothed wheel box cover plate 223), so also can realize controlling organization 60 and be driven by accumulation of energy.Thus, those skilled in the art are easy to expect, as long as arrange at the pivot part of drive disk assembly the accumulation of energy driving that torsion spring can realize controlling organization 60.

In addition, after slip lid 53 control connection part 51 moves to off-position, slip lid 53 continues movement and can brought into motion switching mechanism drived control mechanism 60 rotate, here slip lid 53 can continue band follower link 51 and moves, and so needs to arrange the position-limit mechanisms such as steel wire gear or shell fragment between storage folder 52 and gripper shoe 226 and prevents from working head 9 connected piece 51 from taking out of accommodating storehouse 521.The present invention preferably arranges stop block 16 on casing 1, slip lid 53 arranges the first locking groove 535 and the second locking groove 536 along connector 51 axially spaced-apart, locking piece 55 is arranged flexure strip 553, flexure strip 551 is stuck in the first locking groove 535 or the second locking groove 536, and flexure strip 553 can cross the first locking groove 535 or the second locking groove 536 after being out of shape, thus locking piece 55 can be moved relative to slip lid 53.Casing 1 is provided with slip lid stop block 16, and when connector 51 moves axially, its fixed block 50 to be against on stop block 16 thus to be limited mobile.And slip lid 53 offers stopper slot 539, locking piece 55 has the second projection 552 be stuck in stopper slot 539, and the limited groove 539 of the movable meeting of slip lid 53 relative to locking piece 55 limits, and prevents slip lid 53 excessively movement.That is slip lid 53a moves an idle stroke, and the distance of such connector 51a movement is minimum, the compact conformation of instrument.Namely slip lid band follower link is together relative to chassis movement, then connector fix relative to casing and slip lid relative to chassis movement.

In the mode that controlling organization 60 is driven by accumulation of energy, as long as because be that connector 51 leaves the collecting storehouse 521 storing folder 52, the energy of Storage Unit will be released, as long as namely slip lid 53 is with follower link 51 to off-position, continues movement without the need to slip lid 53.And namely the fault offset of Storage Unit achieves the switching of working head, so the chute 72 on slip lid 53 is without the need to arranging switching part 721, namely chute 72 can be arranged to the trapezoidal shape of straight flange.

Be more than that accumulation of energy drives and operation slip lid drives the mode realizing controlling organization 60 and drive storage folder 52 to rotate, introduce the reset of controlling organization 60 below.Mobile slip lid 53 is with follower link 51 to return back to operating position from off-position, connector 51 enters next collecting storehouse 521, sliding pin 711 makes oscillating deck 71 rotate around its rotating shaft under the guiding of the reset portion 722 of chute 72, oscillating deck 71 drives the first travelling gear 73 to rotate by shift fork 712, first travelling gear 73 drives supporting seat 62 to rotate, store in folder 52 because connector 51 is stuck in, store folder 52 to be limited to rotate, the elastic force that supporting seat 62 just drives ratchet 61 to overcome torsion spring 63 leaves in locating slot 522, ratchet 61 rotates along with supporting seat 62 and falls in the resilient force of torsion spring 63 in next locating slot 522, so just, achieve controlling organization 60 relative to the rotation storing folder 52.

Rotate excessively to prevent controlling organization 60, can drive the terminal location storing folder 52 rotation that the first stopper section 2261 is set by corresponding controlling organization 60 in gripper shoe 226, the initial position that corresponding controlling organization 60 rotates relative to storage folder 52 arranges the second stopper section 2262, the rotation of controlling organization 60 is limited by the first stopper section 2261 and the second stopper section 2262, thus the controlling organization 60 that ensures to know clearly drives, and to store another one working head when folder 52 rotates to terminal location corresponding with output shaft 4 axis, when controlling organization 60 relative storage folder 52 rotates to initial position, ratchet 61 can not cross locating slot 522.

Can drive reliably to make ratchet 61 to store the while that folder 52 rotating and can be easy to exit locating slot 522, can be set to different angles along the first side 5221 storing folder 52 circumference with the second side 5222 in locating slot 522, preferably the first side 5221 is rectangular relative to the end face storing folder 52, and such ratchet 61 can drive storage folder 52 to rotate reliably; Second side 5222 is acute angle relative to the end face of storage folder 52, can exit locating slot 522 easily when such ratchet 61 resets.Meanwhile, ratchet 61 also can be arranged to the shape that matches with locating slot 522.In addition when ratchet 61 drives storage folder 52 to move to terminal location, ratchet 61 is positioned at the bottom storing folder 52, can be removed in casing 1 by storage folder 52 easily like this, to change another slack storage folder, thus the using function of the instrument of expansion.

Below will elaborate to the quick-replaceable process of DC electric screwdriver working head in above-mentioned first embodiment.

Shown in Fig. 6, electric screw driver is in running order, and now depression of push button switch 7 can carry out the work of stubborn screw.With reference to shown in Fig. 7 to Fig. 8, when needing the working head 9 changing another type, operation slip lid 53 is to the direction displacement S of motor 2, slip lid 53 removes the locking of limited block 81 pairs of connectors 51 by separating lock section 538, sliding pin 711 slides along the straight flange of chute 72, locking piece 55 on slip lid 53 contacts with the fixed block 50 on connector 51, and now slip lid 53 can be with follower link 51 to move in the same way with it.

Next, with reference to Fig. 9 to Figure 10, slip lid 53 moves to connector 51 by locking piece 55 band follower link 51 in the same way with it and accommodates the off-position that separates, storehouse 521, connector 51 drives working head 9 to get back to collecting storehouse 521 by magnet 511, and sliding pin 711 slides into the critical localisation of switching part 721 along the straight flange of chute 72.With reference to Figure 11 to Figure 14, continue to move slip lid 53 to the direction of motor 2, connector 51 can not be continued mobile by stop block 16 restriction, the elastic force overcoming flexure strip 553 for locking piece 55 crosses the first locking groove 535 until flexure strip 553 falls into the second locking groove 536, the second projection 552 on locking piece 55 is subject to the restriction of the stopper slot 539 on slip lid 53, therefore slip lid 53 is limited to continue to move axially, and sliding pin 711 slides along the switching part 721 of chute 72 and makes oscillating deck 71 rotate certain angle around its rotating shaft under the guiding of switching part 721, simultaneously, the shift fork 712 of oscillating deck 71 drives the first travelling gear 73 to rotate, first travelling gear 73 drives the second travelling gear 623 as supporting seat 62 to rotate, such supporting seat 62 drives ratchet 61 to rotate, ratchet 61 drives storage folder 52 to turn over certain angle, another one working head is brought to the position corresponding with output shaft 4 along with storing the rotation of folder 52, this completes the quick switching of working head, and, the sound of the elasticity location of the second locking groove 536 is fallen into by the flexure strip 553 on locking piece 55, operator can be easy to judge to store folder 52 and to have finished the work the switching of head.

Continue with reference to Figure 15 to Figure 16, direction to output shaft 4 is moved slip lid 53 and is resetted, slip lid 53 moves with the direction of follower link 51 to output shaft 4, another one working head 9 afterbody of one end and automatic switchover that connector 51 is provided with magnet 511 contacts and adsorbs this working head 9, connector 51 drives working head 9 to enter output shaft 4, until working head 9 exposes from the front end of output shaft 4, fixed block 50 on connector 51 is stuck on arch portion 225, and now sliding pin 711 slides into the critical part of straight flange and reset portion 722 along chute 72.Continue to move slip lid 53 to the direction of output shaft 4, flexure strip 553 on locking piece 55 overcomes resilient force and crosses the second locking groove 536 until flexure strip 553 falls into the first locking groove 535, and sliding pin 711 slides along the reset portion 722 of chute 72 and makes oscillating deck 71 rotate certain angle around its rotating shaft under the guiding of reset portion 722, simultaneously, the shift fork 712 of oscillating deck 71 drives the first travelling gear 73 to rotate, first travelling gear 73 drives the second travelling gear 623 as supporting seat 62 to rotate, such supporting seat 62 drives ratchet 61 to rotate, and now store folder 52 connected piece 51 through and can not rotate, therefore ratchet 61 turns over certain angle relative to storage folder 52, fall in another locating slot 522, slip lid 53 is returned to the position abutted with fore shell 13, the duty shown in Fig. 1 got back to again by electric screw driver, this completes the reset of controlling organization 60.Need if the working head selected above is not operator, step above repeats again, until the working head for needs exposed from output shaft 4, or mobile slip lid 53 exposes storage folder 52 rear manual rotation storage folder 52 to select the working head of needs.

The process operation that whole working head is changed is simple, fast, for the user, can increase work efficiency greatly.

Figure 17 to Figure 27 is depicted as the preferred the second embodiment of hand-held tool of the present invention.The structure of the parts that label is identical with the first preferred embodiment and function and identical at the first preferred embodiment, repeat no more herein.With reference to shown in Figure 17 to Figure 20, in present embodiment, automatic switching control equipment comprises being arranged on and stores movement conversion mechanism between folder 52 and slip lid 53 and for driving the controlling organization 60 storing folder 52 and move, the rotary motion of movement conversion mechanism for by the transform linear motion of slip lid 53 being controlling organization 60, slip lid 53 Linear-moving drives storage folder 52 to rotate by movement conversion mechanism.Here movement conversion mechanism comprises the chute 72a be arranged on slip lid 53 and the oscillating deck 71 be pivotally connected on casing 1, and oscillating deck 71 is provided with sliding pin 711 relative to one end of rotating shaft, and the other end forms shift fork 712.Shift fork 712 is connected with controlling organization 60, and sliding pin 711 is arranged in chute 72a and also can slides in chute 72a.Chute 72a has two straight flanges 723 axially arranged along output shaft 4a and the hypotenuse 724 be connected with two straight flanges respectively, article two, formation oblique angle, the intersection portion of hypotenuse 724, oblique angle portion is relative to two straight flange 723 evaginations and towards motor 2, the middle part of chute 72a is provided with two baffle plates 725, baffle plate 725 is roughly parallel to straight flange 723, distance between two baffle plates 725 is substantially equal to the diameter of sliding pin 711, the move in tracks that sliding pin 711 can be formed between two baffle plates 725, distance between two other baffle plate 725 and two straight flanges 723 of correspondence is also the diameter being substantially equal to sliding pin 711, the move in tracks that sliding pin 711 also can be formed between the straight flange 723 that baffle plate 725 is corresponding with it, chute 72a is divided into the first chute 701 by two baffle plates 725, second chute 702 and the middle part chute 703 between two baffle plates 725.Slip lid 53 head lamp brush guard pivot is connected with guide plate 74, guide plate 74 is positioned at the position of chute 72a away from hypotenuse 724, guide plate 74 is roughly in Y type, the single head end of Y type guide plate 74 is towards hypotenuse 724, like this when sliding pin 711 slide in middle part chute 703 offset with guide plate 74 time, sliding pin 711 can lead the first chute 701 or the second chute 702 by guide plate 74.Certainly, those skilled in the art are easy to expect, as long as the shape setting of guide plate 74 can meet sliding pin 711b rectilinear motion and contact with guide plate 74, sliding pin 711b can enter planned orbit under the guiding of guide plate 74, as triangle, rhombus, heart, falcate etc.

In present embodiment, hand-held tool also comprises mode selector, control the position of guide plate 74 by operator scheme selecting arrangement, this makes it possible to control positive movement orbiting motion that sliding pin 711 forms along the first chute 701 and middle part chute 703 always or the counter motion orbiting motion always formed along the second chute 702 and middle part chute 703 or in turn along positive movement track and counter motion orbiting motion.So, guide plate 74 just defines a movement locus selecting arrangement, makes sliding pin 711 have different movement locus by guide plate 74, and that is, guide plate 74 serves the effect changing the sliding pin direction of motion.

Concrete, operator scheme selecting arrangement comprises the rotatable model selection button 171 be arranged on slip lid 53, one end of model selection button 171 exposes slip lid 53 and a part forms lever, the other end of model selection button 171 is fixedly connected with the flat square cotter 173 that is provided with cam pin 172, flat square cotter 173 is fixedly installed togather through slip lid 53 and model selection button 171, Y type guide plate 74 is arranged in chute 72a by a pin 174, cam pin 172 is between the double end end of Y type guide plate 74, thus flat square cotter 173 can be driven to rotate together when model selection button 171 rotates thereupon, different positions is in relative to Y type guide plate 74 to make cam pin 172.Model selection button 171 is provided with three locating slots 1711, locating slot 1711 is spaced apart along the circumference of model selection button 171, slip lid 53 is provided with Location resilient piece 175, model selection button 171 rotates and different locating slots 1711 is engaged with Location resilient piece 175 thus makes model selection button 171 can remain on three fixing positions relative to slip lid 53, simultaneously, cam pin 172 also has three different positions relative to Y type guide plate 74 along with the rotation of model selection button 171, namely cam pin 172 is positioned at the both sides of the perpendicular through output shaft axis, cam pin 172 offsets with a limit in the bilateral end of Y type guide plate 74, cam pin 172 limits Y type guide plate 74 clockwise or be rotated counterclockwise, cam pin 172 is crossing with the perpendicular through output shaft axis, and cam pin 172 is positioned at the centre of the bilateral end of Y type guide plate 74, and cam pin 172 allows Y type guide plate 74 clockwise or be rotated counterclockwise.The above-mentioned pattern for model selection button 171 rotation process, those skilled in the art are easy to expect movable by model selection button 171 or move left and right the position that also can realize control Y type guide plate 74, and the motion storing folder 52 in addition also can be rectilinear motion.

Button 171 is selected to select to store the operating process of folder 52 motor pattern by specifically introducing by operator scheme below.

With reference to Figure 18 and Figure 20, rotary-mode selecting-button 171, make lever corresponding with the arrow of (direction from motor to output shaft is seen) on the right side of slip lid 53, cam pin 172 is also along with model selection button 171 moves on the right side of slip lid 53, the single head end of such Y type guide plate 74 is towards the second chute 702, cam pin 172 and right side in the bilateral end of Y type guide plate 74 while offset, such Y type guide plate 74 can not to anticlockwise, now pull slip lid 53, sliding pin 711 along middle part chute 703 relative to slip lid 53 rectilinear motion until sliding pin 711 and Y type guide plate 74 offset, because the single head end of Y type guide plate 74 is towards the second chute 702, therefore continue to pull slip lid 53 that sliding pin 711 is moved downwardly towards the first chute 701 leading of Y type guide plate 74, sliding pin 711 creates radial displacement relative to output shaft 4, oscillating deck 71 be driven to rotate thus drived control mechanism 60 drive store folder 52 clockwise (from output shaft to motor drive direction) rotate to the position corresponding with the accepting hole 41 of output shaft 4, next collecting storehouse 521, with reference to shown in Figure 21, push back slip lid 53, the oblique angle portion that sliding pin 711 intersects along the first chute 701 relative to slip lid 53 rectilinear motion to two hypotenuse 724.Continuous print performs the operation pulling slip lid 53 and push back slip lid 53, namely slip lid 53 moves continuously, sliding pin 711 is still imported the first chute 701 by Y type guide plate 74, store folder just to be moved according to the numerical order of accommodating storehouse shown in Figure 21 by driving, this kind of pattern is the forward shaping modes (clockwise shaping modes) in sequential adjustment pattern.

With reference to Figure 22 and Figure 23, rotary-mode selecting-button 171, make lever corresponding with the arrow of (direction from motor to output shaft is seen) on the left of slip lid 53, cam pin 172 is also along with model selection button 171 moves on the left of slip lid 53, the single head end of such Y type guide plate 74 is towards the first chute 701, cam pin 172 and left side in the bilateral end of Y type guide plate 74 while offset, such Y type guide plate 74 can not to right rotation, now pull slip lid 53, sliding pin 711 along middle part chute 703 relative to slip lid 53 rectilinear motion until sliding pin 711 and Y type guide plate 74 offset, because the single head end of Y type guide plate 74 is towards the first chute 701, therefore continue to pull slip lid 53 that sliding pin 711 is moved downwardly towards the second chute 702 leading of Y type guide plate 74, sliding pin 711 creates radial displacement relative to output shaft 4, oscillating deck 71 is driven to rotate thus drived control mechanism 60 drives storage folder 52 to rotate to the position corresponding with the accepting hole 41 of output shaft 4, next collecting storehouse 521 along counter clockwise direction (from output shaft to motor drive direction), with reference to shown in Figure 23, push back slip lid 53, the oblique angle portion that sliding pin 711 intersects along the second chute 702 relative to slip lid 53 rectilinear motion to two hypotenuse 724.Continuous print performs the operation pulling slip lid 53 and push back slip lid 53, namely slip lid 53 moves continuously, sliding pin 711 is still imported the second chute 702 by Y type guide plate 74, store 52 folders just to be moved according to the numerical order of accommodating storehouse shown in Figure 23 by driving, this kind of pattern is the reverse shaping modes (counterclockwise shaping modes) in sequential adjustment pattern.

With reference to Figure 24 and Figure 25, rotary-mode selecting-button 171, make lever corresponding with the four-headed arrow in the middle part of slip lid 53, cam pin 172 is also along with model selection button 171 moves to slip lid 53 along the middle part perpendicular to output shaft axis direction, cam pin 172 is positioned at the centre of the bilateral end of Y type guide plate 74, Y type guide plate 74 can be set to only have and can rotate under external force, for the single head end of Y type guide plate 74 towards the second chute 702, now pull slip lid 53, sliding pin 711 along middle part chute 703 relative to slip lid 53 rectilinear motion until sliding pin 711 and Y type guide plate 74 offset, because the single head end of Y type guide plate 74 is towards the second chute 702, therefore continue to pull slip lid 53 that sliding pin 711 is moved downwardly towards the first chute 701 leading of Y type guide plate 74, sliding pin 711 creates radial displacement relative to output shaft 4, Y type guide plate 74 rotates to the single head end of Y type guide plate 74 towards the first chute 701 under the effect of sliding pin 711 motion simultaneously, with reference to shown in Figure 26, oscillating deck 71 be driven to rotate thus drived control mechanism 60 drive store folder 52 clockwise (from output shaft to motor drive direction) rotate to the position corresponding with the accepting hole 41 of output shaft 4, next collecting storehouse 521, with reference to shown in Figure 25, push back slip lid 53, the oblique angle portion that sliding pin 711 intersects along the first chute 701 relative to slip lid 53 rectilinear motion to two hypotenuse 724.Again perform the operation pulling slip lid 53 and push back slip lid 53, sliding pin 711 is imported the second chute 702 by Y type guide plate 74, store folder 52 and just rotated to the position corresponding with the accepting hole 41 of output shaft 4, a upper collecting storehouse 521 by driving along counter clockwise direction (from output shaft to motor drive direction), continuous print performs the operation pulling slip lid 53 and push back slip lid 53, namely slip lid 53 moves continuously, sliding pin 711 just moves in turn in the first chute 701 He in the second chute 702, corresponding storage folder 52 is also accommodated between the position corresponding with the accepting hole of output shaft, storehouse at adjacent two and is switched in turn, this kind of pattern is shaping modes repeatedly.

In above-mentioned embodiment the motion process of movement conversion mechanism and controlling organization and the first embodiment similar, repeat no more herein.

The above-mentioned definition to each element is not limited in the various concrete structure or shape mentioned in embodiment, and those of ordinary skill in the art can replace it with knowing simply.As motor can carry out alternative motor with gasoline engine or diesel engine etc.; Slip lid is for being with follower link or drived control mechanism, and its version can have multiple as pull bar, end cap etc.; In addition, in above-mentioned embodiment, moving to axial between connector and working head store and press from both sides also can be that connector is fixed, and stores folder and can either axially-movable also can rotate, and connector also can be coaxially arrange etc. with motor shaft.In addition, have no special requirements to its structure, visual different interior carrys out corresponding change configuration, can increase new element, also can reduce unnecessary element.

Claims

1. a hand-held tool, comprising:

Casing;

Output shaft, has the accepting hole of the accommodation working head axially arranged;

Working head supporting mechanism, be arranged at least partly in casing, described working head supporting mechanism comprises several the collecting storehouses be set up in parallel for accommodating working head, and described working head supporting mechanism can be adjusted to the position corresponding with described accepting hole, one of them collecting storehouse;

Connector, be arranged in casing, described connector can accommodate in storehouse and axially-movable the off-position be separated with this collecting storehouse making to be housed in operating position that the working head in this collecting storehouse and output shaft connect through in several collecting storehouses and exit several;

Operating parts, is arranged on described casing for controlling described connector axially-movable;

Automatic switching control equipment, in response to described operating parts motion and the position of working head supporting mechanism is regulated;

It is characterized in that: described hand-held tool also comprises mode selector, described mode selector operationally makes automatic switching control equipment select to be in following wherein a kind of pattern:

Sequential adjustment pattern, described automatic switching control equipment driving working head supporting mechanism moves along a direction and makes different collecting storehouses corresponding with accepting hole;

Reciprocal shaping modes, described automatic switching control equipment drives between position corresponding with accepting hole respectively, two the collecting storehouses of working head supporting mechanism in several collecting storehouses and moves back and forth.

2. hand-held tool as claimed in claim 1, is characterized in that: mode selector comprises the model selection button be arranged on operating parts, and described model selection button can rotate relative to operating parts to select different operator schemes.

3. hand-held tool as claimed in claim 2, it is characterized in that: one of described model selection button and described both operating parts are provided with at least two grooves, the another one of described model selection button and described both operating parts is provided with keeper, and described keeper can be selected from different engagement thus described model selection button be remained on the position of corresponding different mode.

4. hand-held tool as claimed in claim 1, it is characterized in that: described working head supporting mechanism has the rotation being parallel to output shaft axis, described sequential adjustment pattern comprises the first sequential adjustment pattern that described working head supporting mechanism moves clockwise around rotation and the second sequential adjustment pattern around rotation counterclockwise motion.

5. hand-held tool as claimed in claim 1, it is characterized in that: described automatic switching control equipment comprises the movement locus selecting arrangement be connected on operating parts, described mode selector is connected with movement locus selecting arrangement and can limits or allow the motion of described movement locus selecting arrangement thus make automatic switching control equipment in sequential adjustment pattern and back and forth change between shaping modes.

6. hand-held tool as claimed in claim 5, it is characterized in that: described operating parts is provided with chute, described automatic switching control equipment also comprises the sliding pin for driving working head supporting mechanism to move, described sliding pin can along the first track or the second orbiting motion in chute, under sequential adjustment pattern, described sliding pin select under the guide effect of movement locus selecting arrangement one along the first track or the second orbiting motion; Under reciprocal shaping modes, described sliding pin under the guide effect of movement locus selecting arrangement in turn along the first track and the second orbiting motion.

7. hand-held tool as claimed in claim 6, it is characterized in that: described movement locus selecting arrangement comprises the guide plate be arranged in chute, described guide plate pivotable is installed on operating parts, described mode selector comprises the locating part coordinated with guide plate, under sequential adjustment pattern, described locating part restricted guidance plate rotates; Under reciprocal shaping modes, described locating part allows guide plate to rotate.

8. hand-held tool as claimed in claim 7, is characterized in that: described mode selector comprises pivotable and is installed on model selection button on operating parts, and described locating part is arranged relative to the rotation axis off-center of model selection button.

9. a hand-held tool, comprising:

Casing;

Forward shaping modes, described automatic switching control equipment driving working head supporting mechanism moves along first direction and makes different collecting storehouses corresponding with accepting hole;

Reverse shaping modes, described automatic switching control equipment drives working head supporting mechanism to make different collecting storehouses corresponding with accepting hole along moving in the opposite direction from first party.

10. hand-held tool as claimed in claim 9, is characterized in that: mode selector comprises the model selection button be arranged on operating parts, and described model selection button can rotate relative to operating parts to select different operator schemes.

11. hand-held tools as claimed in claim 10, it is characterized in that: one of described model selection button and described both operating parts are provided with at least two grooves, the another one of described model selection button and described both operating parts is provided with keeper, and described keeper can be selected from different engagement thus described model selection button be remained on the position of corresponding different mode.

12. hand-held tools as claimed in claim 9, is characterized in that: described working head supporting mechanism has the rotation being parallel to output shaft axis, and described working head supporting mechanism can rotate clockwise or counterclockwise around its rotation.

13. hand-held tools as claimed in claim 9, it is characterized in that: described automatic switching control equipment comprises the movement locus selecting arrangement be connected on operating parts, described mode selector is connected with movement locus selecting arrangement and can limits described movement locus selecting arrangement and moves along the direction of in contrary both direction and make automatic switching control equipment at forward shaping modes and oppositely change between shaping modes.

14. hand-held tools as claimed in claim 13, it is characterized in that: described operating parts is provided with chute, described automatic switching control equipment also comprises the sliding pin for driving working head supporting mechanism to move, described sliding pin can along the first track or the second orbiting motion in chute, under forward shaping modes, described sliding pin slides along the first track under the effect of movement locus selecting arrangement; Under reverse shaping modes, described sliding pin slides along the second track under the effect of movement locus selecting arrangement.

15. hand-held tools as claimed in claim 14, it is characterized in that: described movement locus selecting arrangement comprises the guide plate be arranged in chute, described guide plate pivotable is installed on operating parts, described mode selector comprises the locating part coordinated with guide plate, under forward shaping modes, described locating part restricted guidance plate rotates and guide plate guiding sliding pin is slided along the first track; Under reverse shaping modes, described locating part restricted guidance plate rotates and guide plate guiding sliding pin is slided along the second track.

16. hand-held tools as claimed in claim 15, is characterized in that: described mode selector comprises pivotable and is installed on model selection button on operating parts, and described locating part is arranged relative to the rotation axis off-center of model selection button.