CN103213108B - Handheld tool - Google Patents
Handheld tool Download PDFInfo
- Publication number
- CN103213108B CN103213108B CN201210394781.8A CN201210394781A CN103213108B CN 103213108 B CN103213108 B CN 103213108B CN 201210394781 A CN201210394781 A CN 201210394781A CN 103213108 B CN103213108 B CN 103213108B
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- Prior art keywords
- gear
- tooth bar
- output shaft
- hand
- connector
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
Abstract
The invention relates to a handheld tool, comprising an enclosure, an output shaft, a working head support mechanism and a connecting piece, wherein the output shaft is provided with an accommodating hole for accommodating a working head, and the accommodating hole is axially arranged; the working head support mechanism is provided with a plurality of accommodating space arranged in parallel and used for supporting the working head, and the working head support mechanism can be adjusted to a position where at least one accommodating space axially corresponds to the accommodating hole; the connecting piece is arranged in the enclosure, and the connecting piece can drive the working head to be in a working position positioned in the accommodating hole or an accommodating position positioned in the working head support mechanism; and an operating piece used for controlling the movement of the connecting piece is arranged on the enclosure, a gear transmission mechanism is arranged between the operating piece and the connecting piece, the gear transmission mechanism comprises at least one gear, the at least one gear is provided with a rotating axis perpendicular to a vertical plane, the operating piece operatively drives the at least one gear to move, and the at least one gear drives the connecting piece to move linearly along the axial direction of the output shaft.
Description
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, screwdriver, percussion drill etc.
Screwdriver 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 screwdriver bits according to the difference of screw specification, namely the original screwdriver bit installed will be taken off, then load onto the screwdriver bit of another kind of specification.
Electric drill is for holing on workpiece, and in operation process, chuck clamping drill bit rotates constantly.
Usually, user needs when carrying out operation to carry out dissimilar operation, as the turn of the screw, boring etc.So, user is needed to prepare the electric tool of number of different types or the working head of number of different types, also constantly more to bring and operate, especially needing first to beat under the operating mode of twisting screw again in pre-hole, need constantly to change between drill bit and screwdriver bit, will bring great inconvenience to operator like this, 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 invention patent CN101563192B discloses a kind of toolroom machine of the cutter for rotatable driving, and this toolroom machine has motor and transmission device, and transmission device is provided with cutter changing storehouse.Cutter changing storehouse is provided with the cutter room for holding screwdriver bit.One operation saddle axially can travel forward also drive the screwdriver bit being arranged in this cutter room to enter cutter dop through one of them cutter room, or axially moving through the screwdriver bit be arranged in the magnet carry its tools dop of its front end backward gets back to cutter room.One executing agency is used for carrying out axial limiting to operation saddle, executing agency comprises the support lever that an axis props up operation saddle, when screwdriver bit changed by needs, pressure button just can remove the axial limiting of support lever to operation saddle, so just can move operation saddle to make it to exit cutter dop with screwdriver bit, and drive screwdriver bit to get back to cutter room, operation saddle exits cutter room, and rotary cutter changes storehouse just can select another screwdriver bit.Such operation screwdriver bit enters cutter dop or gets back to cutter room needs direct push-and-pull to operate saddle, thus toolroom machine is longer with regard to what arrange accordingly, increase the volume of toolroom machine, if the small and exquisite gripping of retaining tool is convenient, the complex structure of instrument will certainly be made, and operate and also can waste time and energy.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of hand-held tool of compact conformation.
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 has several receiving spaces be set up in parallel for support works head, and described working head supporting mechanism can be adjusted at least one receiving space position axially corresponding with described accepting hole; Connector, is arranged in casing, and described connector can drive working head to be in the operating position being positioned at accepting hole or the collecting position being positioned at working head supporting mechanism; Described casing is provided with the operating parts controlling the motion of described connector, gear drive is provided with between described operating parts and connector, described gear drive comprises at least one gear, at least one gear described has the rotation perpendicular to perpendicular, at least one gear movement described in the exercisable driving of described operating parts, described at least one gear drive described, connector is along output shaft axial linear movement.
Preferably, described gear drive comprises an only gear, described gear while rotation rotates along output shaft axially-movable.
Preferably, described gear drive also comprises the first rack gear arrangement be fixedly installed relative to casing and the second rack gear arrangement be arranged on connector, described first rack gear arrangement and the second rack gear arrangement axially extend along output shaft, and described gears meshing is between the first rack gear arrangement and the second rack gear arrangement.
Preferably, described first rack gear arrangement is different with the position of described gears meshing along the width of the field of conjugate action of described gear from the second rack gear arrangement.
Preferably, described first rack gear arrangement comprises two tooth bars, and described two tooth bars are arranged relative to output shaft axisymmetrical.
Preferably, described connector comprises the two arms be arranged in parallel, and described second rack gear arrangement is arranged on the medial surface of wherein one arm, and be provided with guide groove between described two tooth bars, another arm is arranged in guide groove slidably.
Preferably, the rotation of described gear and the axes intersect of described output shaft.
Preferably, described gear drive comprises at least two gears, and the rotating shaft of described at least two gears is fixedly installed on casing and the rotation of described at least two gears is parallel to each other.
Preferably, described at least two gears are set to speed increasing gear group.
Preferably, described gear drive also comprises the first tooth bar be connected on operating parts and the second tooth bar be arranged on connector, described first tooth bar and the second tooth bar axially extend along output shaft, gear train is connected between the first tooth bar and the second tooth bar, described operating parts can operate the motion of drive first rack linear and rotate with drive gear set, and described gear train is by connector rectilinear motion described in the second rack drives.
Preferably, described gear train comprises the first gear engaged with the first tooth bar, the gear wheel, the second gear engaged with gear wheel that rotate with the first gear synchronous and rotates with the second gear synchronous and the 3rd gear engaged with the second tooth bar, and the number of teeth of described gear wheel is greater than the number of teeth of the second gear.
Preferably, the axis of described output shaft is between the first tooth bar and the second tooth bar.
Preferably, described operating parts is provided with bearing rib, and described bearing rib is for supporting described second tooth bar one end away from output shaft.
Preferably, described operating parts rectilinear motion drives at least one gear movement described.
Preferably, the rectilinear motion stroke of described connector is greater than the rectilinear motion stroke of described operating parts.
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.Preferably, at least one gear described comprises an only gear, described gear while rotation rotates along output shaft axially-movable.
Compared with prior art, the invention has the beneficial effects as follows: hand-held tool of the present invention by arranging gear drive between operating parts and connector, the movement travel of operating parts can be reduced, be that its rotation is perpendicular to perpendicular by arrangement of gears simultaneously, reduce the size on hand-held tool width, make tool interior compact conformation thus to be overallly small and exquisitely easy to carry.
Accompanying drawing explanation
Fig. 1 be the direct current multifunction drill in preferred first embodiment of hand-held tool of the present invention in running order time sectional view.
Fig. 2 is the part isometric exploded view of the direct current multifunction drill in Fig. 1.
Fig. 3 is the phantom along D-D line in Fig. 1.
Fig. 4 is the three-dimensional installation diagram of the present invention's preferred direct current multifunction drill inside, and wherein stroke amplifying mechanism illustrates the first version.
Fig. 5 is the schematic diagram of the another kind of version of the stroke amplifying mechanism of the present invention's preferred direct current multifunction drill.
Fig. 6 is the part isometric exploded view of the direct current multifunction drill in Fig. 5.
Fig. 7 is the sectional view along E-E line in Fig. 1.
Fig. 8 and Fig. 7 is similar, and now the connector of direct current multifunction drill drives working head to get back to and stores folder.
Fig. 9 is the sectional view along F-F line in Fig. 8.
Figure 10 and Fig. 7 is similar, now stores folder and moves to its center line position corresponding with output shaft.
Figure 11 and Fig. 7 is similar, now stores the position pressing from both sides and move to sliding pin and contact with guide plate.
Figure 12 and Fig. 7 is similar, now stores folder and moves to the position corresponding with output shaft, another collecting storehouse.
Figure 13 and Fig. 7 is similar, and now slip lid resets, and the working head in another collecting storehouse enters output shaft.
Wherein,
1. casing 11. handle 13a. fore shell
14. upper cover 142. guide groove 145. sliding guide grooves
Pushing block after 151. tooth bar pushing block 152. Compress Springs 153.
155. guiding surface 2. motor 21. motor shafts
22. gear-box 3a. transmission mechanism 30a. pinion gear mechanisms
301a. first gear 302a. second gear 303a. the 3rd gear
31a. planetary gear reducing mechanism 4a. output shaft 41. accepting hole
403. external tooth 51a, 51b. connector 510. first arms
511. magnet 512. second arms 5111. are protruding
52a. stores folder 521a. and accommodates storehouse 5211. locating slot
53a. slip lid 531. guide rail 58. pushing block
581. escape groove 582. guide rail 59. bearing ribs
6. battery 7. press button 701. first chute
702. second chute 711b. sliding pin 72b. chutes
723. straight flange 724. hypotenuse 74. guide plates
741. top 742a, 742b. afterbody 75. stop columns
76. gusset 9a, 9b. working heads 901,901a. first tooth bar
902,902a. second tooth bar 903. first pinion 904. gear wheel
905. second pinion 906. third pinion 908. balladeur trains
Detailed description of the invention
Hand-held tool of the present invention preferred embodiment in, hand-held tool is the hand-held type multifunctional electric drill that can realize brill and screwdriver function, also have direct current and dividing of exchanging in electric drill, present embodiment is preferably specifically described for direct current multifunction drill.
Shown in seeing figures.1.and.2, this direct current multifunction drill comprises casing 1, motor 2, battery 6, transmission mechanism 3a, connector 51a, working head supporting mechanism and output shaft 4a.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 arranged on the bottom of handle 11 part of casing 1, and transmission mechanism 3a is housed in the horizontal component of casing 1.As preferred embodiment, battery 6 both can be the inside being fixed on handle 11, and also can being mounted in power brick and being installed on casing 1 by power brick, 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, lithium ion battery to be a joint rated voltage be 3.6V(volt) lithium ion battery.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 3a comprises by (be rear with the right side of drawing) before backward the planetary gear reducing mechanism 31a and pinion gear mechanism 30a that are driven by motor 2, and wherein pinion gear mechanism 30a is connected with output shaft 4a and the rotary motion of motor 2 is passed to output shaft 4a.Working head supporting mechanism is for accommodating different working heads, here working head mainly refers to crosspoint tip screwdriver head, flat blade screwdriver bit, drill bit etc. that direct current multifunction drill is conventional, move axially through working head supporting mechanism by operation connector 51a or leave working head supporting mechanism, just can change between different working heads fast, thus electric drill can carry out holing, tighten or unclamp different screws.
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, and a gear-box 22 to be fixed in casing 1 and to be positioned at the front portion of motor 2, and gear-box 22 is for accommodating planetary gear reducing mechanism 31a, and casing 1 comprises the fore shell 13 being connected to its front end, and pinion gear mechanism 30a is housed in fore shell 13.Pinion gear mechanism 30a comprises the first gear 301a be connected with planetary gear reducing mechanism 31a, with the second gear 302a of the first gears meshing and driven by the second gear 302a and the 3rd gear 303a of synchronous rotary with it, what on output shaft 4a, circumference was fixing is provided with external tooth 403, and the 3rd gear 303a engages with external tooth 403 thus drives output shaft 4a to rotate.Wherein planetary gear reducing mechanism 31a is provided with arrangements for speed regulation, namely drive second level gear ring to move axially the element different from planetary gear reducing mechanism 31a by the speed switch bar (not shown) of operation setting on casing engage thus realize exporting different rotating speeds, such speed switches to technology well-known to those skilled in the art, and applicant does not repeat them here.
Pinion gear mechanism 30a arranges three gears just in order to make the inner space of instrument compacter, thus does not affect the attractive in appearance of outside.Certainly, a gear or two gears can be also arranged to as required.In addition, transmission mechanism 3a is not limited to above-described form, and transmission mechanism can only include planetary gear reducing mechanism 31a, or only includes pinion gear mechanism 30a, or other rotary motion transmission mechanism, as ratchet mechanism, turbine mechanism etc.Wherein motor shaft 21 extension is engaged with planetary gear reducing mechanism 31a, and rotary motion is passed to pinion gear mechanism 30a by planetary gear reducing mechanism 31a, and pinion gear mechanism 30a drives output shaft 4a to rotate again.When such motor 2 runs, by planetary gear reducing mechanism 31a, pinion gear mechanism 30a, finally exported by output shaft 4a.This shows, driving-chain in present embodiment is motor-transmission mechanism-output shaft, namely connector is not as a part for driving-chain, certain those skilled in the art can expect easily, driving-chain also can be 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.
Working head supporting mechanism in present embodiment is preferably the box-like storage folder 52a roughly in cuboid, the length direction storing folder 52a is parallel to the axis of output shaft 4a, the width storing folder 52a has been set up in parallel two collecting storehouse 521a, just long working head can be accommodated, such as drill bit, long screwdriver bit etc. in such collecting storehouse 521a.Store folder 52a relative to the axial restraint of casing 1 along output shaft 4a, connector 51a moves axially to drive the working head 9a be housed in one of them collecting storehouse 521a to enter output shaft 4a relative to casing 1, or connector 51a holds working head 9a by the magnet 511 being arranged on its front end and drives it to turn back in collecting storehouse 521a, here connector 51a is only for releasing or retracting working head 9a, not as a part for driving-chain.Store folder 52a to be supported on casing 1 and to be positioned at the top of transmission mechanism 3a, store planetary gear reducing mechanism 31a axial overlap in folder 52a and transmission mechanism 3a and with motor 2 part axial overlap, complete machine can be made so compact, saving space.
Casing 1 is slidably connected with slip lid 53a, and the edge of slip lid 53a is provided with guide rail 531, and corresponding casing 1 is provided with gathering sill (figure does not look), and slip lid 53a is arranged in gathering sill can be slid axially relative to casing 1 by its guide rail 531.Certainly, also can be that slip lid 53a arranges gathering sill, mode casing 1 being arranged guide rail makes slip lid 53a move, and is with follower link 51 to move axially in present embodiment by mobile slip lid 53a.
Storing folder 52a is supported on casing, and when electric drill work, slip lid 53a abuts with fore shell 13a, storage folder 52a and connector 51a can be closed like this; When working head changed by electric drill, slip lid 53a is separated with fore shell 13a and drives working head to get back to and accommodates storehouse 521a, and the part storing folder 52a is exposed along with moving of slip lid 53a.
Output shaft 4a is form of sleeve, and generally output shaft arranges the accepting hole 41 of six sides, can installment work head 9a in it, and working head cross section is the hexagon matched with accepting hole 41, can use the working head 9a of standard like this.Output shaft 4a by bearings on fore shell 13a.Certainly, accepting hole 41 also can be other shapes, working head 9a can be driven to rotate as long as can meet output shaft 4a.
Store folder 52a in present embodiment and accommodate the longer screwdriver bit of length or drill bit, as the screwdriver bit of two inches, the length of such storage folder 52a is longer, connector 51a is made to need the distance of motion also longer, when connector 51a is separated with collecting storehouse 521a, slip lid 53a moves to the rear end of motor 2, the length of complete machine can be made so very long, for this reason, in present embodiment, stroke amplifying mechanism is set between slip lid 53a and connector 51a, slip lid 53a linear movement drives stroke amplifying mechanism band follower link 51a motion, thus the movement travel of connector 51a is greater than the movement travel of slip lid 53a, that is the distance being less than connector 51a movement by the distance of slip lid 53a movement realizes connector 51a and is separated with collecting storehouse.
Stroke amplifying mechanism is preferably gear drive, Fig. 1 to Fig. 4 shows the first version of gear drive, gear drive comprises the first tooth bar 901, second tooth bar 902 and the gear train be connected between the first tooth bar 901 and the second tooth bar 902, gear train is speed increasing gear group, comprise the first pinion 903 engaged with the first tooth bar 901, with the gear wheel 904 of the first pinion 903 synchronous rotary, the second pinion 905 engaged with gear wheel 904 and the third pinion 906 engaged with the second pinion 905 synchronous rotary and with the second tooth bar 902, the number of teeth of gear wheel 904 is greater than the number of teeth of the second pinion 905, here gear wheel or pinion are only the differentiation of title, as long as these gear combination can realize step-up drive, wherein the first pinion 903 and gear wheel 904 are coaxial and be disposed adjacent, second pinion 905 and the coaxial and interval of third pinion 906 are arranged, the axis of the first pinion 903 and the axis of the second pinion 905 are parallel to each other, and the cogged rotation of institute is all perpendicular to perpendicular, here perpendicular refers to the plane (being namely parallel to the plane of drawing) parallel with the section of direct current multifunction drill in Fig. 1, the flank of tooth of such first tooth bar 901 and the second tooth bar 902 is also perpendicular to perpendicular, setting like this is the size in order to reduce on tool width direction, rack and pinion is arranged according to the short transverse (in Fig. 1, above-below direction is short transverse) of instrument, the compactest is set to along short transverse, first tooth bar 901 and the second tooth bar 902 lay respectively at the both sides of output shaft axis, namely output shaft axis is between the first tooth bar 901 and the second tooth bar 902, gear drive is taken up room in the height direction minimum.
Slip lid 53a is connected with the first tooth bar 901 and drives the first tooth bar 901 linear movement, second tooth bar 902 is arranged on connector 51a, because the first pinion 903 is identical with gear wheel 904 rotating speed, wherein the number of teeth of gear wheel 904 is greater than the number of teeth of the second pinion 905, be step-up drive from the transmission of the first pinion 903 to the second pinion 905 like this, thus the movement velocity of the second tooth bar 902 increases relative to the first tooth bar 901.Preferably, the linear motion speed of the second tooth bar 902 is twices of the first tooth bar 901, that is the movement travel of the second tooth bar 902 is twices of the movement travel of the first tooth bar 901, such structure comparison is compact, coordination is compared in arranging of complete machine, can ensure that again the movement of connector 51a can not be interfered by slip lid 53a simultaneously.
Fig. 5 to Fig. 6 shows the second version of gear drive, the balladeur train 908 that gear drive comprises the first tooth bar 901a, the second tooth bar 902a and engages with the first tooth bar 901a and the second tooth bar 902a simultaneously, why be balladeur train 908, because gear 908 can also along output shaft axial linear movement while rotating around its axis, the rotation of gear 908 is equally perpendicular to perpendicular, the flank of tooth of such first tooth bar 901a and the second tooth bar 902a, also perpendicular to perpendicular, ensures that rack and pinion is arranged according to short transverse.Casing 1 comprises the upper cover 14 being fixed on motor 2 top, wherein the first tooth bar 901a to be fixedly installed on upper cover 14 and the flank of tooth upward, second tooth bar 902a to be fixedly installed on connector 51a and the flank of tooth down, balladeur train 908 is between the first tooth bar 901a and the second tooth bar 902a, the two ends of the rotary middle spindle of balladeur train 908 are supported on a pushing block 58, and slip lid 53a is connected with pushing block 58 and drives pushing block 58 to move then to drive balladeur train 908 to move.The middle part of pushing block 58 is provided with escape groove 581, and escape groove 581 runs through pushing block 58 along the length direction of connector 51a, thus connector 51a can also can slide along escape groove 581 by partial receipt in escape groove 581.The edge of pushing block 58 is provided with guide rail 582, and cover on corresponding and be provided with guide groove 142, pushing block 58 is slided by guide rail 582 and drives balladeur train 908 to move in guide groove 142.Connector 51a is arranged to the quadrilateral shape of hollow, there is the first arm 510 arranging the second tooth bar 902a and the second arm 512 be oppositely arranged, first arm 510 can slide in escape groove 581, on upper cover 14, the position of corresponding second arm 512 is provided with sliding guide groove 145, first tooth bar 901a is arranged on the both sides of sliding guide groove 145, namely the first tooth bar 901a has two, second arm 512 partial receipt also can move along sliding guide groove 145 in sliding guide groove 145, escape groove 581 and sliding guide groove 145 achieve connector 51a radial support and spacing, make the first tooth bar 901a simultaneously, the setting of the second tooth bar 902a and balladeur train 908 is compacter, and first tooth bar 901a with second tooth bar engagement 902a different from the position that balladeur train 908 engages along the width of the field of conjugate action of balladeur train 908, thus reduce the wearing and tearing of balladeur train 908, the service life of tool for increasing.
The multifunction drill of present embodiment is provided with the automatic switching control equipment of automatic switchover working head, follower link 51a is with to leave collecting storehouse 521a as long as that is operate slip lid 53a, remove the restriction to storing folder 52a motion, store folder 52a and be moved to the next collecting storehouse 521a position axially corresponding with output shaft 4 in the effect of automatic switching control equipment, the mobile storage folder 52a manual again without the need to operator selects working head.
With reference to shown in Fig. 2 and Fig. 7, automatic switching control equipment comprises the movement conversion mechanism being arranged on and storing between folder 52a and slip lid 53a, slip lid 53a Linear-moving by movement conversion mechanism drive store folder 52a along with output shaft 4a axially direction translation angularly, the direction of preferred translation is perpendicular to the axis of output shaft 4a.Here movement conversion mechanism comprises the chute 72b be arranged on slip lid 53a and the sliding pin 711b that storage folder 52a is fixing relatively, chute 72b has the straight flange 723 that symmetrically arranged two hypotenuses 724 and two of being connected with two hypotenuses 724 are respectively parallel to output shaft 4a axis, sliding pin 711b can along with the movement of slip lid 53a in chute 72b along straight flange 723 and hypotenuse 724 slippage, when sliding pin 711b is along hypotenuse 724 slippage, it produces the movement perpendicular to output shaft 4 axis relative to casing 1, therefore sliding pin 711b just drives storage folder 52a to move along the direction perpendicular to output shaft 4a axis.Sliding pin 711b can press from both sides 52a one-body molded with storage, also can be that metallic pin is fixed on and stores on folder 52a thus the intensity of increase sliding pin 711b.Movement conversion mechanism in present embodiment is used for the linear movement of slip lid 53a being converted to the linear movement storing folder 52a, except the form that above-mentioned chute coordinates sliding pin, those skilled in the art can expect coordinating the mode of bevel-gear sett also can realize above-mentioned motion conversion by tooth bar easily.
In addition, in order to when preventing from surprisingly falling, sliding pin 711b staggers relative to the position of slip lid 53a, two gussets 76 parallel with straight flange 723 can be set between two of a chute 72b straight flange 723, material is thus formed two parallel tracks thus limit sliding pin 711b and be merely able to slide between straight flange 723 and gusset 76, form the first chute 701 from the cross part of Article 1 straight flange 723 to two hypotenuses 724, form the second chute 702 from the cross part of Article 2 straight flange 723 to two hypotenuses 724.Simultaneously, move along projected path reliably to enable sliding pin 711b, the middle part that can have a common boundary at roughly two straight flanges 723 and two hypotenuses 724 arranges guide plate 74, and guide plate 74 can rotate along the axis of the plane perpendicular to sliding pin 711b movement locus place.Preferably, guide plate 74 is in Y type, to stagger setting relative to the axis of symmetry of hypotenuse 724 in the top 741 of Y type, the component that guide plate 74 can be driven to rotate when sliding pin 711b contacts with guide plate 74 is like this maximum, thus more easily drives guide plate 74 to rotate to enter predetermined track.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 under the guiding of guide plate 74 planned orbit can, as triangle, rhombus, heart, falcate etc.Be provided with stop column 75 in chute 72b, stop column 75 is positioned at forked afterbody 742a, 742b one end of tool of the Y type of guide plate 74.Stop column 75 is fixed on slip lid 53a, and afterbody 742a, 742b can conflict with stop column 75, thus guide plate 74 be stopped post 75 restriction can only rotate in certain scope, ensure that sliding pin 711b can enter predetermined track smoothly.Say above be stop column between two bifurcateds of Y type, two stop columns can certainly be established, lay respectively at the outside of two bifurcateds, equally also can the rotating range of restricted guidance plate 74.In addition, magnet is provided with in stop column 75, for holding guide plate 74, it is made to remain on fixing angle, such guarantee guide plate Y type top 741 axially stagger relative to the crossover sites of two hypotenuses 724, in case on-slip pin 711b and guide plate Y type top 741 contact and be obstructed motion.Arranging guide plate 74 can make sliding pin 711b have a two-way passage, and namely sliding pin 711b can move to the second end from the first end of chute 72b, also can get back to first end from the second end smoothly, thus can realize the switching that replaces between two working heads.That is above-mentioned sliding pin and the form of chute are not limited in the scheme storing folder translation, also can be applied to store to be clipped in the scheme rotated between two positions.
In above embodiment, slip lid 53a control connection part 51a moves to and accommodates storehouse 521a and be separated, slip lid 53a continues movement and sliding pin 711b can be driven to drive storage folder 52a to move, so just need the distance of connector 51a movement identical with the distance of slip lid 53a movement, simultaneously again because connecting stroke amplifying mechanism between slip lid 53a and connector 51a, the distance of connector 51a movement is greater than the distance of slip lid 53a movement, in order to make connector can not pass slip lid 53a, such slip lid 53a just needs the longer of setting.
Continue with reference to Fig. 3 and Fig. 4, the present invention preferably arranges tooth bar pushing block 151 between slip lid 53a and the first tooth bar 901, tooth bar pushing block 151 and the first tooth bar 901 axially spaced-apart distance S, can be used for removing the locking to connector 51a, the latch-up structure of connector 51a be can refer to the embodiment in Chinese invention patent application CN201110224257.1, repeat no more here.
The side of tooth bar pushing block 151 is provided with Compress Spring 152, and opposite side can be stuck on the first tooth bar 901, and slip lid 53a drives the first tooth bar 901 to move by tooth bar pushing block 151.Casing 1 is provided with guiding surface 155, when slip lid 53a is with carry-over bar pushing block 151 to move to the position of guiding surface 155, the resilient force that tooth bar pushing block 151 overcomes Compress Spring 152 under the effect of guiding surface 155 is slided on the first tooth bar 901, thus slip lid 53a can not continue drive first tooth bar 901 moves, connector 51a can not continue mobile.So, slip lid 53a control connection part 51a moves to and accommodates storehouse 521a and be separated, slip lid 53a continues mobile to drive storage folder 52a to move, and connector 51a is no longer along with slip lid 53a moves, namely connector 51a fixes relative to casing 1, that is slip lid 53a moves an idle stroke further, and the distance of such connector 51a movement is minimum, the compact conformation of instrument.The principle of slip lid 53a idle stroke is that slip lid moves a segment distance, but follower link can not be with together relative to chassis movement, and that is, in described idle stroke, connector is fixed relative to casing, and slip lid is relative to chassis movement.
Slip lid 53a arranges rear pushing block 153 relative to the opposite side of the first tooth bar 901, and when operating slip lid 53a and resetting, rear pushing block 153 abuts with the first tooth bar 901, thus slip lid 53a moves drive first tooth bar 901 moves with slip lid 53a.
In present embodiment, the axial length of connector 51a is longer, its head that pushes the work forward enters when storing folder 52a and is supported in storage folder 52a, and the second tooth bar 902 is supported on the second pinion 905 in its one end when moving backward, the other end supports by arranging bearing rib 59 on slip lid 53a, tilts to prevent the second tooth bar 902.In addition, one end circumference connector 51a being arranged magnet 511 is distributed with protruding 5111, the collecting storehouse 521a of corresponding storage folder 52a is provided with locating slot 5211, such connector 51a can smoothly by collecting storehouse 521a, simultaneously locating slot 5211 also can support connecting piece 51a to prevent it from moving time tilt.
To elaborate to the quick-replaceable process of working head in present embodiment for the first gear drive below.
With reference to shown in Fig. 1 and Fig. 7, multifunction drill is in running order, when needing the working head 9b changing another type, operation slip lid 53a moves along shown by arrow M direction, slip lid 53a drives the first tooth bar 901 rectilinear motion by tooth bar pushing block 151, first tooth bar 901 is by the first pinion 903, gear wheel 904, second pinion 905, third pinion 906 and the second tooth bar 902 are with follower link 51a to move axially, connector 51a drives working head 9a to get back to collecting storehouse 521a by the magnet 511 of its front end, connector 51a is separated with collecting storehouse 521a, now sliding pin 711b is moved straightly to the position shown in Fig. 8 along first chute 701 of chute 72b.
The direction operation slip lid 53a continued along shown by arrow M moves, the resilient force that tooth bar pushing block 151 overcomes Compress Spring 152 under the effect of guiding surface 155 is slided on the first tooth bar 901, first tooth bar 901 is fixed relative to casing, so connector 51a maintains static, the top that two hypotenuses 724 that sliding pin 711b moves to chute 72b along the hypotenuse 724 of chute 72b intersect, sliding pin 711b cannot continue mobile thus restriction slip lid 53a continues mobile, and store folder 52a under the drive of sliding pin 711b along the position that the center line moving axially to storage folder 52a perpendicular to output shaft 4a is corresponding with output shaft 4a, namely the distance that folder now moves half is stored, position as shown in Figure 9 and Figure 10.
With reference to Figure 11, mobile slip lid 53a is held to output shaft 4a in direction along shown by arrow N namely, tooth bar pushing block 151 moves relative to the first tooth bar 901, connector 51a still maintains static, sliding pin 711b contacts with guide plate 74 and top 741 along the Y type of guide plate 74 is moved to the side of afterbody 742b, sliding pin 711b drives guide plate 74 to rotate, it is spacing that guide plate 74 is stopped post 75, sliding pin 711b moves under the effect of guide plate 74 in the second chute 702, slip lid 53a moves to the position that rear pushing block 153 contacts with the first tooth bar 901, and store folder 52a under the drive of sliding pin 711b along the position that the collecting storehouse 521a moving axially to another collecting working head 9b storing folder 52a perpendicular to output shaft 4a is axially corresponding with output shaft 4a, position as shown in figure 12.
The direction operation slip lid 53a continued along shown by arrow N moves, sliding pin 711b moves linearly along the second chute 702, slip lid 53a drives the first tooth bar 901 rectilinear motion by rear pushing block 153, first tooth bar 901 is with follower link 51a to move axially by the first pinion 903, gear wheel 904, second pinion 905, third pinion 906 and the second tooth bar 902, connector 51a enters another collecting storehouse 521a and drives the working head 9b in it to enter output shaft 4a, position as shown in fig. 13 that.
Repeat above-mentioned steps, just can be replaced with another working head 9a.Namely the movement locus of sliding pin 711b in chute 72b moves in circles, and namely sliding pin 711b can move to the second chute 702 from the first chute 701, also can get back to the first chute 701 from the second chute 702, thus forms the automatic switchover that circulation realizes working head.
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 stores folder for being with follower link or driving, and its version can have multiple as pull bar, end cap etc.; In addition, in above-mentioned embodiment, between connector and storing press from both sides to move to axial also can be that connector is fixed, and working head storage folder can either also can move radially in axially-movable, 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 (16)
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 has several receiving spaces be set up in parallel for support works head, and described working head supporting mechanism can be adjusted at least one receiving space position axially corresponding with described accepting hole;
Connector, is arranged in casing, and described connector can drive working head to be in the operating position being positioned at accepting hole or the collecting position being positioned at working head supporting mechanism;
It is characterized in that: described casing is provided with the operating parts controlling the motion of described connector, gear drive is provided with between described operating parts and connector, described gear drive comprises at least one gear, at least one gear described has the rotation perpendicular to perpendicular, at least one gear movement described in the exercisable driving of described operating parts, described at least one gear drive described, connector is along output shaft axial linear movement.
2. hand-held tool as claimed in claim 1, is characterized in that: described gear drive comprises an only gear, described gear while rotation rotates along output shaft axially-movable.
3. hand-held tool as claimed in claim 2, it is characterized in that: described gear drive also comprises the first rack gear arrangement be fixedly installed relative to casing and the second rack gear arrangement be arranged on connector, described first rack gear arrangement and the second rack gear arrangement axially extend along output shaft, and described gears meshing is between the first rack gear arrangement and the second rack gear arrangement.
4. hand-held tool as claimed in claim 3, is characterized in that: described first rack gear arrangement is different with the position of described gears meshing along the width of the field of conjugate action of described gear from the second rack gear arrangement.
5. hand-held tool as claimed in claim 3, it is characterized in that: described first rack gear arrangement comprises two tooth bars, described two tooth bars are arranged relative to output shaft axisymmetrical.
6. hand-held tool as claimed in claim 5, it is characterized in that: described connector comprises the two arms be arranged in parallel, described second rack gear arrangement is arranged on the medial surface of wherein one arm, and be provided with guide groove between described two tooth bars, another arm is arranged in guide groove slidably.
7. hand-held tool as claimed in claim 2, is characterized in that: the rotation of described gear and the axes intersect of described output shaft.
8. hand-held tool as claimed in claim 1, is characterized in that: described gear drive comprises at least two gears, and the rotating shaft of described at least two gears is fixedly installed on casing and the rotation of described at least two gears is parallel to each other.
9. hand-held tool as claimed in claim 8, is characterized in that: described at least two gears are set to speed increasing gear group.
10. hand-held tool as claimed in claim 8, it is characterized in that: described gear drive also comprises the first tooth bar be connected on operating parts and the second tooth bar be arranged on connector, described first tooth bar and the second tooth bar axially extend along output shaft, gear train is connected between the first tooth bar and the second tooth bar, described operating parts can operate the motion of drive first rack linear and rotate with drive gear set, and described gear train is by connector rectilinear motion described in the second rack drives.
11. hand-held tools as claimed in claim 10, it is characterized in that: described gear train comprises the first gear engaged with the first tooth bar, the gear wheel, the second gear engaged with gear wheel that rotate with the first gear synchronous and rotates with the second gear synchronous and the 3rd gear engaged with the second tooth bar, and the number of teeth of described gear wheel is greater than the number of teeth of the second gear.
12. hand-held tools as claimed in claim 10, is characterized in that: the axis of described output shaft is between the first tooth bar and the second tooth bar.
13. hand-held tools as claimed in claim 10, is characterized in that: described operating parts is provided with bearing rib, and described bearing rib is for supporting described second tooth bar one end away from output shaft.
14. hand-held tools as claimed in claim 1, is characterized in that: described operating parts rectilinear motion drives at least one gear movement described.
15. hand-held tools as claimed in claim 14, is characterized in that: the rectilinear motion stroke of described connector is greater than the rectilinear motion stroke of described operating parts.
16. hand-held tools as claimed in claim 1, is characterized in that: 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.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210394781.8A CN103213108B (en) | 2012-01-21 | 2012-10-17 | Handheld tool |
| EP13736370.1A EP2803451B1 (en) | 2012-01-13 | 2013-01-14 | Power tool and operating method for use on the power tool |
| PCT/CN2013/000025 WO2013104267A1 (en) | 2012-01-13 | 2013-01-14 | Power tool and operating method for use on the power tool |
| KR1020147022331A KR20140123064A (en) | 2012-01-13 | 2013-01-14 | Power tool and operating method for use on the power tool |
| EP16194524.1A EP3141351B1 (en) | 2012-01-13 | 2013-01-14 | Power tool |
| US14/330,368 US9833884B2 (en) | 2012-01-13 | 2014-07-14 | Power tool and operating method for use on the power tool |
| US15/801,848 US10093004B2 (en) | 2012-01-13 | 2017-11-02 | Power tool and operating method for use on the power tool |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100197260 | 2012-01-21 | ||
| CN201210019726 | 2012-01-21 | ||
| CN201210019726.0 | 2012-01-21 | ||
| CN201210394781.8A CN103213108B (en) | 2012-01-21 | 2012-10-17 | Handheld tool |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510119175.9A Division CN104723291A (en) | 2012-01-21 | 2012-10-17 | Handheld tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103213108A CN103213108A (en) | 2013-07-24 |
| CN103213108B true CN103213108B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210394781.8A Active CN103213108B (en) | 2012-01-13 | 2012-10-17 | Handheld tool |
| CN201510119175.9A Pending CN104723291A (en) | 2012-01-21 | 2012-10-17 | Handheld tool |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510119175.9A Pending CN104723291A (en) | 2012-01-21 | 2012-10-17 | Handheld tool |
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| CN (2) | CN103213108B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022256906A1 (en) * | 2021-06-11 | 2022-12-15 | Petrovic Miro | Drive mechanism and viscous material dispensing gun |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103963016B (en) * | 2013-02-05 | 2016-05-18 | 苏州宝时得电动工具有限公司 | Electric tool and for the method for operating of this electric tool |
| CN105500261B (en) * | 2014-09-26 | 2017-07-18 | 苏州宝时得电动工具有限公司 | Power tool and its operating method |
| CN106510836B (en) * | 2015-09-10 | 2019-09-17 | 上海微创电生理医疗科技股份有限公司 | Electrophysiologicalcatheter catheter handle and electrophysiologicalcatheter catheter |
| CN108798521B (en) * | 2018-08-07 | 2023-09-29 | 长江大学 | Reciprocating axial impact pressurizing device |
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| JPS6434678A (en) * | 1987-07-30 | 1989-02-06 | Olympic Co Ltd | Speed change gear for rotary power tool |
| DE4008750A1 (en) * | 1990-03-19 | 1991-09-26 | Hilti Ag | Fixing device-driving tool - incorporates rotary drill and bolt-setting mechanism |
| US5597275A (en) * | 1995-03-28 | 1997-01-28 | Hogan; Scott H. | Tool with changeable working tip |
| US5733034A (en) * | 1997-03-19 | 1998-03-31 | Jan; John-Kai | Driver structure |
| US5931061A (en) * | 1998-01-16 | 1999-08-03 | Kuo; Ying Hong | Gun shape driving tool |
| DE10013984A1 (en) * | 2000-03-22 | 2001-09-27 | Manfred Schneider | Manual screw driver etc. has magazine with open tool supports next to tool holders |
| DE202005018772U1 (en) * | 2005-12-01 | 2006-03-09 | Hans Einhell Ag | Hand guided rotation tool e.g. hand drill, has accommodating and allocating device arranged at external area in end section of tool to accommodate or allocate magazines, where device is made up of transparent material |
| CA2559334A1 (en) * | 2006-09-05 | 2008-03-05 | Peter Johann Kielland | Keyless drill chuck with magnetic screwdriver bit storage cavities |
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| CN201211661Y (en) * | 2008-06-17 | 2009-03-25 | 徐传波 | Manual connecting component mounting tools |
| CN201493509U (en) * | 2009-07-31 | 2010-06-02 | 周国强 | Electric hand drill |
| CN201816041U (en) * | 2010-09-03 | 2011-05-04 | 王云逸 | Integrated combination tool |
| CN102312994B (en) * | 2011-09-27 | 2014-03-26 | 常州市润源经编运用工程技术研究中心有限公司 | Transition gear mounting structure |
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- 2012-10-17 CN CN201210394781.8A patent/CN103213108B/en active Active
- 2012-10-17 CN CN201510119175.9A patent/CN104723291A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022256906A1 (en) * | 2021-06-11 | 2022-12-15 | Petrovic Miro | Drive mechanism and viscous material dispensing gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103213108A (en) | 2013-07-24 |
| CN104723291A (en) | 2015-06-24 |
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