CN105619344B - Hand-hold power tool and its operating method - Google Patents

Hand-hold power tool and its operating method Download PDF

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Publication number
CN105619344B
CN105619344B CN201410624721.XA CN201410624721A CN105619344B CN 105619344 B CN105619344 B CN 105619344B CN 201410624721 A CN201410624721 A CN 201410624721A CN 105619344 B CN105619344 B CN 105619344B
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China
Prior art keywords
safety device
hand
power tool
state
hold power
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CN201410624721.XA
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CN105619344A (en
Inventor
张士松
钟红风
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Positec Power Tools Suzhou Co Ltd
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Positec Power Tools Suzhou Co Ltd
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Priority to CN201410624721.XA priority Critical patent/CN105619344B/en
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Abstract

The present invention provides a kind of hand-hold power tool and its operating methods, hand-hold power tool includes shell, motor, output shaft, control the switch of motor, and the work package including at least two mounting working chucks, work package is movably connected on shell so that each of at least two mounting working chucks mounting working chuck can be converted between operating position and off-position, when one of at least two mounting working chucks are in the operating position being coupled with output shaft, remaining mounting working chuck is in off-position at least two mounting working chucks, hand-hold power tool further includes the safety device of at least partly mounting working chuck of the cladding in off-position, safety device has first state and the second state, when first state, safety device allows the work package activity, when the second state, it is living that the safety device limits the work package It is dynamic.The operating position conversion that can fast implement different operating collet of hand-hold power tool, operation interface are succinct, safe operation.

Description

Hand-hold power tool and its operating method
Technical field
The present invention relates to a kind of hand-hold power tool more particularly to a kind of holding at least two mounting working chucks Formula power tool, the invention further relates to the operating methods of the hand-hold power tool.
Background technique
Hand-hold power tool mode such as electric drill, for drilling to workpiece mode such as plank etc., the work utilized Head is drill bit；Mode such as screwdriver, can be used for tightening or unscrewing screw, and the work head utilized is screwdriver bit.It is such hand-held The main shaft of formula power tool is usually mounted with a mounting working chuck, for clamping a kind of work head required for work, such Work head can have different size.When carrying out the replacement work head other work of progress, need first to dismantle down original work Make head, replaces with different work heads.The process of this work head replacement operation is very cumbersome.
Currently, occur some rifle drill kind tools with double work collet in the market, it as needed can be in two kinds of works Make to select or convert to use between collet, the operating parts manually controlled is usually arranged in such tool, for converting in mounting working chuck It is first unlocked before, that is to say, that will unlock between former mounting working chuck and output shaft, in this way, stand-by mounting working chuck Operating position can be just moved to.In addition, by way of manual operation or starter motor driving mode, will be to recruitment It rotates as collet to operating position, correspondingly, former mounting working chuck on operating position by removing.It will finally be turned by operating parts again It changes to the mounting working chuck of position and output shaft establishes connection, such output shaft can drive the mounting working chuck to be rotated.But It converts to the mounting working chuck of off-position and is still exposed to the place that the hand of operator can touch, operation interface is wordy, together Shi Rongyi accidentally injures operator.
A kind of tool of double work collet, the duplex as disclosed in China Patent Publication No. CN100434239C specification Making collet as a whole can be around pivoting to realize that mounting working chuck operating position is converted perpendicular to motor axis.? Before conversion, first passing through operating parts disengages output shaft and mounting working chuck, then starts main switch by motor rotation, motor Rotation rotates mounting working chuck to one of mounting working chuck and exports axis aligned position by transmission mechanism, then discharges Main switch is coupled output shaft and rotation to the mounting working chuck of position again by operating parts, completes the position of one action collet Conversion.After the disengagement of one of output shaft and mounting working chuck, operator, which can choose manual operation, revolves double work chuck as a whole Going to rotates one of mounting working chuck to operating position.
Above with the power tool of more mounting working chucks, the position conversion operation of mounting working chuck is more troublesome, needs to operate Person's both hands operation, or need to operate different workpieces could complete position conversion, operation interface is wordy, operation not Safety.
Summary of the invention
The technical issues of to solve the above technology, the present invention provide a kind of operation interface it is succinct, with physical security Hand-hold power tool.
The present invention provides a kind of hand-hold power tool, including shell, is contained in the intracorporal motor of shell, is driven by motor The output shaft of rotation, the switch for controlling motor and the work package including at least two mounting working chucks, work package activity Shell is connected to so that each of at least two mounting working chucks mounting working chuck can be between operating position and off-position Conversion, when one of at least two mounting working chucks are in the operating position being coupled with output shaft, at least two mounting working chucks Remaining mounting working chuck is in off-position, and hand-hold power tool further includes at least partly cladding in off-position The safety device of mounting working chuck, safety device has first state and the second state, and when first state, safety device allows institute Work package activity is stated, when the second state, the safety device limits the work package activity.
Preferably, at least two mounting working chucks are respectively provided with working shaft, when safety device is in first state, output shaft It disengages and is coupled with the working shaft of any operative collet at least two mounting working chucks, it is defeated when safety device is in the second state The mating of one of shaft and working shaft.
Hand-hold power tool further includes the linkage mechanism being set between safety device and work package, linkage mechanism The movement being associated between safety device and work package.
In a kind of scheme, safety device drives the linkage mechanism movement to disengage working shaft and output shaft and is coupled, or One of working shaft is coupled with output shaft.
In another scheme, hand-hold power tool further includes operating parts, and linkage mechanism, which is operably driven, in operating parts makes While safety device is converted by the second state to first state, output shaft and working shaft are disengaged and are coupled；Or make safety device While conversion by first state to the second state, the mating of one of output shaft and working shaft.
Preferably, operating parts is set on safety device.
Shell includes handle, and the side of close safety device is provided with switch trigger on handle, is filled on handle far from safety Minimum range between the side set and operating parts is 60 between 140mm.Preferably, the upper separate safety device of handle Minimum range between side and operating parts is 80 between 120mm.
Preferably, operating parts is parallel to output shaft axis and is slidably disposed on shell.
Preferably, transmission mechanism is further provided between operating parts and work package, when output shaft and working shaft disengage When mating, operating parts pivots work package with respect to shell by drive transmission device.
Wherein linkage mechanism includes the driving link and be set to driving link and safety dress that connector and connector are coupled Rotating device between setting, connector along output shaft it is axial slidably be coupled with output shaft thus selectively with working shaft it One mating disengages mating.
Hand-hold power tool further includes operating parts, and operating parts is operably driven driving link and is parallel to output shaft axis It is mobile, so that rotating device driving safety device is in first state when one of connector and working shaft being made to disengage mating, connect Rotating device driving safety device is in the second state when one of part and working shaft are coupled.
Linkage mechanism further comprises the driving member being arranged between driving link and operating parts, and driving member is around fixed axis Selectively forward or reverse, driving driving link makes output shaft and the work to far from work package movement when driving member rotates forward Make axis disengagement, driving driving link matches one of output shaft and the working shaft to close to work package movement when driving member inverts It connects.
Preferably, rotating device is the rotating member that opposite shell pivots, and rotating member has first be coupled with driving link Mating part, and the second mating part with safety device mating.
Preferably, rotating device includes the rotating turret that opposite shell pivots, and the pivot being flexibly connected with rotating turret Arm, the first connecting portion with driving link mating is provided on rotating turret, and second that safety device mating is provided on pivotal arm connects Socket part.
Safety device includes the door body of opposite shell activity setting, and door body can allow movable first shape of work package It is moved between state and limitation movable second state of work package.
Preferably, door body includes the first door body and the second door body, and the first door body and the second door body are reversely pivoted to allow work Make component activity, the first door body and the second door body are pivoted in opposite directions to limit work package activity.Safety device further includes with first The first gear of door body connection, and the second gear connecting with the second door body, first gear are meshed with the second gear, from And make the first door body and the second door body relative motion.
Preferably, a pair of window diametrically is provided in door body, door body is arranged with respect to housing into rotation, first state When, window, which provides, allows the movable entrance of work package, and when the second state, door body limits work package activity.
Preferably, door body includes inside door and at least department is respectively provided with a pair on inside door and external door around the external door of inside door At least one in window diametrically, inside door and external door is arranged with respect to housing into rotation, when first state, inside door and external door Diametrically, when the second state, inside door and external door are radially staggered window.
Preferably, there are two mounting working chucks, one of described mounting working chuck is located at operating position, another is in non- Operating position, the door body is pivoted with respect to shell to be arranged, the pivot axis of door body and the mounting working chuck in off-position Working shaft axis is parallel.
In another scheme, door body is arranged with respect to housing into rotation, the pivot center of door body and the work for being in off-position Make the working shaft axis collinear of collet.
Preferably, support construction is provided on the inside of safety device, support construction is for storing for matching with mounting working chuck The working accessory connect.
Preferably, it is provided with interlock between safety device and switch, when safety device be in first state, interlocked Device limit switch is triggered, and when safety device is in the second state, interlock, which allows to switch, to be triggered.
Interlock includes connecting rod and the elastic component that is set between shell and connecting rod, and connecting rod is set with respect to shell pivot The first end and second end positioned at pivot two sides are set and have, when safety device is in the second state, connecting rod first end and peace Full device, which disengages, to abut to allow switch triggering；When safety device is in first state, connecting rod first end is abutted with safety device It is triggered with limit switch.
The mounting working chuck that hand-hold power tool of the invention is in off-position due to using at least partly cladding Safety device so that being only exposed within the sight of operator in the mounting working chuck of operating position, to make to operate boundary Face is more succinct, and operator's hand is not easy synapsis in the mounting working chuck of off-position, operates safer.By being set to switch With the mutual interlocking gear of work package, so that safety device is when allowing work package with respect to shell activity, switch cannot be triggered, To ensure that the safety of operation.Safety device realizes the working shaft and output shaft of mounting working chuck while state change Mating disengages mating, so that the position conversion of mounting working chuck is convenient, fast.
The present invention also provides a kind of operating method of hand-hold power tool, which makes mounting working chuck Position conversion can fast implement, and simple, convenient.
The present invention is implemented as follows: the operating method of hand-hold power tool, hand-hold power tool include shell, Motor, the output shaft rotated by motor driving and the work package for being movably connected on shell, work package include at least two A mounting working chuck, each mounting working chuck at least two mounting working chucks can be converted between operating position and off-position, Hand-hold power tool further includes the safety device of at least partly mounting working chuck of the cladding in off-position；Operating method Including following operating procedure: safe operation device, which is at, allows the movable first state of work package；Operating working module At least two mounting working chucks are made to convert position.
Operating method further comprises that safe operation device is at limitation movable second state of work package.
Selectively, operating method further comprises that release safety device is at limitation work package movable the Two-state.
Preferably, safety device is pivoted around fixed axis when safe operation device.
Another operating method of selectively hand-hold power tool, hand-hold power tool include shell, motor, The output shaft of rotation is driven by motor and is movably connected on the work package of shell, work package includes at least two work Collet, each mounting working chuck at least two mounting working chucks can move between operating position and off-position, hand-held Power tool further includes the safety device of at least partly mounting working chuck of the cladding in off-position, and for controlling peace The operating parts of full device；Operating method includes following operating procedure: operate the operating parts make safety device be in allow work The movable first state of component；Operating working module makes at least two mounting working chucks convert position.
Operating method further comprises that operation operating parts makes safety device be in limitation movable second shape of work package State.
Selectively, operating method further comprises that release operating parts makes safety device be in limitation work package activity Off-position the second state.
It is mobile that operation operating parts makes operating parts be parallel to output shaft axis.Another interchangeable scheme, operates operating parts Pivot operating parts around fixed axis with respect to shell.
The operating method of hand-hold power tool makes the position of mounting working chuck convert and can fast implement, and operates letter Singly, conveniently.
Detailed description of the invention
Further detailed description is done to the present invention with reference to the accompanying drawing.
Fig. 1 is the main view of first embodiment of the invention hand-hold power tool.
Fig. 2 is hand-hold power tool main view direction cross-sectional view shown in Fig. 1.
Fig. 3 is the perspective exploded view of hand-hold power tool shown in Fig. 1.
Fig. 4 is the schematic cross-sectional view of the line A-A along Fig. 2.
Fig. 5 is the perspective exploded view of Fig. 3 middle rack device.
Fig. 6 is the partial schematic sectional view of hand-hold power tool main view direction shown in Fig. 1.
Fig. 7 to Fig. 9 is the schematic cross-sectional view that hand-hold power tool slider is moved to each state when different location in Fig. 6.
Figure 10 is the schematic cross-sectional view of the line B-B along Fig. 2.
Figure 11 is the schematic cross-sectional view of the line C-C along Fig. 2.
Figure 12 is the perspective exploded view of safety device in Fig. 3.
Figure 13 A to 13D is the safety device main view direction in different states of hand-hold power tool shown in Fig. 1 Partial sectional view.
Figure 14 is the main view of safety device in Fig. 3.
Figure 15 A to 15C is that line D-D safety device is in different conditions cross-sectional view in Figure 14.
Figure 16 is that the sectional perspective of the hand-hold power tool of hand-hold power tool second embodiment of the present invention is decomposed Figure.
Figure 17 is the sectional perspective schematic diagram of hand-hold power tool in Figure 16.
Figure 18 is hand-hold power tool sectional perspective schematic diagram in another state in Figure 17.
Figure 19 A to 19C, which is that second embodiment of the invention hand-hold power tool safety device is in different states, to bow Depending on schematic diagram.
Figure 20 to Figure 22 is that third embodiment of the invention hand-hold power tool sectional perspective in different states is shown It is intended to.
Figure 23 is the sectional perspective schematic diagram of four embodiment of the invention hand-hold power tool.
Figure 24 A is the overlook direction cross-sectional view of safety device, and safety device is in the second state at this time；
Figure 24 B is the overlook direction cross-sectional view of safety device, and safety device is in first state at this time；
Figure 25 is the main view of fifth embodiment of the invention hand-hold power tool.
Figure 26 is the schematic cross-sectional view of the main view direction of hand-hold power tool in Figure 25.
Figure 27 A be in Figure 26 safety device and switch trigger between in the structural schematic diagram of non-locking state.
Figure 27 B be in Figure 26 safety device and switch trigger between in the structural schematic diagram of lock state.
Figure 28 is the main view of sixth embodiment of the invention hand-hold power tool.
Figure 29 is the schematic cross-sectional view that hand-hold power tool removes E-E line after shell in Figure 28.
Figure 30 is the main view direction partial schematic sectional view that hand-hold power tool removes after shell in Figure 28.
Figure 31 A is the schematic cross-sectional view of F-F line in Figure 30, and safety device is in original state at this time.
Figure 31 B is the schematic cross-sectional view of F-F line in Figure 30, and safety device is in rotary state at this time.
In figure:
100- hand-hold power tool 36b- side wall 77a- arc groove
10- shell 36c- aperture 78- pivotal arm
10a- half-shell 36d- end wall 78a- connecting hole
11- connecting rod 37- the second clamp hook piece 78b- connecting pin
11a- hook 37a- hook part 79- forked portion
11b- abutting part 38- pivot 8- motor
12- main casing 39- torsional spring 80- transmission component
13- pivot 4- switchs trigger 82- transmission gear
14- handle 4a- cylinder 84- transmission arm
15- elastic component 40,40 '-operating parts 86- rotating members
16,16 ', 16 "-the first mating parts safety device 41- actuating arm 87-
The second mating part 18- battery pack 42- groove 88-
18a- battery pack housing 44- translot portion 89- operating parts
19- unlock piece 46a, 46b- chute portion the first pivotal part of 90-
19a- interconnecting piece 48- notch 90a- convex block
19b- spring 5- switch the second pivotal part of 91-
2- commutation trigger 50- driving member 92- interface
200- hand-hold power tool 51- screw 93- second gear
20- work package 52- the first connecting pin 94- first gear
Region is coupled in 22- mounting working chuck 53- guide post 95-
Region is coupled in 220- drill bit 54- the second connecting pin 96-
22a- working shaft 6- output shaft 97- window
60,60 ', 60 "-driving link 98- bayonet lock of 24- mounting working chuck
24a- working shaft 61- main body 99- window
240- screwdriver bit 61a- connecting column 910- bracket
25- annular guide channel 62- connecting hole 910a- tenon
911,911 ', 911 "-the first door body of 26- mounting disc 63- guide portion
64,64 '-card slot 912- support shaft of the clamping portion 27-
The Plug Division 28- connector 65- linking arm 913-
28a- main part 65a- card slot 914- elastic component
29- pressure spring 66- interface 920- support
30- transmission device 70- gear assembly 920a- tenon
32- reduction box casing 71- connecting shaft 920b, c- door-hinge hole
32a- supporting surface 72- gear wheel 921,921 '-the second door body
33a- the first support shaft 74- pinion gear 922- operating parts
33b- the second support shaft 75- rotating turret 923- support construction
34- rack gear arrangement 76- support arm 930- column
35- the first clamp hook piece 76a- supported hole 930a- notch
35a- hook part 76b- forked portion 931- support shaft
The Plug Division 36- rack gear 77- interconnecting piece 932-
36a- notch
Specific embodiment
First embodiment
Referring to figs. 1 to Fig. 3, hand-hold power tool 100 includes shell 10 in embodiments of the present invention, shell 10 by Two Hafu-type half-shell 10a connection compositions；Dynamical system, including the motor 8 being contained in shell 10, the horse of present embodiment Electric motor is used up to 8, other types of motor, the substitution such as mode such as air motor, fuel oil motor can also be used.Wherein shell Body 10 includes the main casing 12 of receiving motor 8.Hand-hold power tool 100 further includes the handle 14 connecting with main casing 12, main Shell 12 extend longitudinally and with the angled setting of 14 extending direction of handle.In present embodiment, main casing 12 and handle 14 Angle substantially 90 to 130 degree between.One end on handle 14 far from motor 8 is arranged promising motor 8 and provides the energy of energy Unit, for the energy unit in present embodiment using battery pack 18, battery pack 18 and handle 14 are detachably connected, electricity Pond packet 18 includes multiple Rechargeable batteries for being contained in battery pack housing 18a, and battery preferably uses lithium battery.Handle 14 with The position that main casing 12 is connected is equipped with switch trigger 4 and commutation trigger 2 for manually controlling motor 8, setting in shell 10 There is switch 5, switch 5 is triggered by switch trigger 4 to be started to control motor 8.
The output shaft 6 that setting is rotated by the driving of motor 8 in main casing 12, output shaft 6 extend along the longitudinal direction of main casing 12, In present embodiment, output shaft axis X 1 is overlapped with motor axis；In other selectable schemes, axis X1 and horse are exported It can parallel or angled setting up to axis.It is provided with the transmission device 30 for deceleration between output shaft 6 and motor 8, is driven Device 30 is at least partly coated in reduction box casing 32.Transmission device 30 in present embodiment for deceleration is gear mechanism Structure, it is preferred to use planetary gear mechanism.
Hand-hold power tool 100 includes the work package 20 for being movably connected on shell 10.In present embodiment, work Component 20 is connected on main casing 12 far from 8 one end of motor, and work package 20 pivots setting with respect to main casing 12, wherein working Angled α setting between the pivot axis Y1 and output shaft axis X 1 of component 20, and pivot axis Y1 and output shaft axis X 1 Consistently it is in co-planar.Wherein the angle [alpha] is acute angle, and angular range is arranged between 30 degree and 65 degree, it is preferred to use Angle c is 45 degree to 65 degree.Work package 20 includes at least two mounting working chucks.Mounting working chuck number in present embodiment Amount includes two, and mounting working chuck 22 and mounting working chuck 24 are fixed relatively and be arranged and be symmetrically disposed on the two of pivotal axis Y1 Side, mounting working chuck 22,24 are respectively arranged with working shaft 22a, 24a, and angled β is arranged between the axis of working shaft 22a, 24a, The angle beta is 2 times of angle [alpha].When one of mounting working chuck 22,24 is in operating position, working shaft 22a, 24a axis at this time It is coplanar with pivot axis Y1, output shaft axis X 1.The one end working shaft 22a, 24a and output shaft 6 are selectively coupled, the other end For connecting working accessory.When work package 20 is arranged so that it is pivoted with respect to shell 10, in mounting working chuck 22,24 At least one can turn to the position that its working shaft and output shaft 6 is coupled, i.e. operating position, to pass through drive by output shaft 6 Moving its working shaft rotates mounting working chuck；And another mounting working chuck is then in off-position.When work package 20 is with respect to shell When body 20 pivots the position conversion for carrying out mounting working chuck 22,24, mounting working chuck 22,24 is in connection operating position and inoperative position It is moved on the path set.
Work package 20 in present embodiment makees reciprocating rotation with respect to shell 10 around pivot axis Y1, causes filing appliance First 22 selectively or are by turns coupled with output shaft 6 with the working shaft of mounting working chuck 24, to make output shaft 6 alternatively Driving mounting working chuck 22,24 and the working accessory being held in mounting working chuck work.Mounting working chuck in present embodiment Quantity is not limited to two, may include three or three or more, the work package with different number mounting working chuck, adjacent Angle between mounting working chuck is arranged different.
Position on main casing 12 close to work package 20 is provided with annular guide channel 25, is provided with and nibbles on work package 20 The mounting disc 26 being connected in annular guide channel 25 is closed, when 20 around the pivot axis Y2 of work package rotation, mounting disc 26 is in annular Rotation in guide groove 25, such structure make work package 20 more flexible when rotating relative to shell 10.
Mounting working chuck 22 and mounting working chuck 24 have clamped working accessory and just can be carried out work, mounting working chuck 22 and filing appliance One of first 24 are arranged for clamping drill bit 220, another mounting working chuck can be designed according to actual needs, mode It such as can be set into for clamping screwdriver bit, be also possible to for clamping the small abrasive nose etc. for being used for sand milling.Another kind may be selected Scheme in, mounting working chuck 22 and mounting working chuck 24 one of them be arranged for clamping screwdriver bit 240, another filing appliance Head can be designed according to actual target.In present embodiment, mounting working chuck 22 is to bore for the working accessory of clamping First 220, working accessory of the mounting working chuck 24 for clamping is screwdriver bit 240.
Multi-functional function tool further includes safety device 16, and safety device 16 is set to main casing 12 and battery pack housing Between 18a, 16 extending direction of safety device is substantially consistent with handle 14.Safety device 16 has two states, first state When, safety device 16 allows work package 20 to move with respect to shell 10, so that mounting working chuck 22,24 realizes position conversion, also It is to say, safety device 16 has been connected to mounting working chuck 22,24 with respect to the path that shell 10 moves pivotally；When the second state, filing appliance First 22,24 positions convert, at this point, mounting working chuck 22,24 is another when one of mounting working chuck 22,24 is in operating position One is in off-position, and the working shaft of the mounting working chuck in operating position is matched with output shaft 6 to be connected together；Safety dress 16 are set at least partly mounting working chuck of the cladding in off-position and limitation work package 20 pivots shell 10 and transports It is dynamic.When work, the safety device 16 under the second state can effectively stop the filing appliance of operator's observation off-position The sight of head, so that it is safer to make operation interface become succinct, operation.
Hand-hold power tool 100 includes the operating parts 40 of opposite 10 activity setting of shell, and is set to operating parts 40 With the power train between work package 20, by power train, two mounting working chucks are operably driven in the movement of operating parts 40 22,24 position conversion is realized, that is to say, that the movement of operating parts 40 operationally makes output shaft 6 and mounting working chuck 22,24 Working shaft is selectively coupled.Operating parts 40 is set to the outside of main casing 12, and the operating parts 40 of present embodiment can be with respect to shell 10, which are parallel to output shaft axis X 1, moves linearly, and the top of main casing 12 is operationally slided in the form of slip lid, can For covering the cassette mechanism structure for being at least partially disposed at shell 10.Certainly, those skilled in the art can may also set up operating parts At other operating parts forms such as slider.
Power train includes linkage mechanism and transmission mechanism, linkage mechanism for alternatively control mounting working chuck 22,24 with Output shaft 6 is coupled or is separated, and transmission mechanism is rotated for controlling work package 20 relative to shell 10.
The linear movement of operating parts 40 is operatively controlled one of mounting working chuck 22,24 and output shaft 6 by linkage mechanism It is coupled or is separated, meanwhile, the linear movement of operating parts is operatively controlled work package with respect to shell by transmission mechanism Body 10 pivots.
Linkage mechanism includes the driving link 60 driven by driving member 50 by the driving member 50 of the driving rotation of operating parts 40, by The connector 28 that driving link 60 drives.Connector 28 is movably disposed with respect to output shaft 6 along output shaft axis X 1, connector 28 one end are connect with output shaft 6, the other end selectively with the mating of one of mounting working chuck 22,24 or disengage.That is, 28 one end of connector is connect with output shaft 6, the other end selectively with one of working shaft 22a, 24a mating or disengage.
Referring to Fig. 3, it is provided with driving section on driving member 50, is provided on operating parts 40 and is driven with the first of driving section mating Dynamic portion.The first driving portion is the groove 42 (referring to Fig. 4) for being set to 40 inner surface of operating parts, driving member 50 in present embodiment It can be rotated forward or backwards around a fixed pivot axis, driving member 50 is between operating parts 40 and reduction box casing 32.This reality It applies driving member in mode and is set as a cam 50.Cam 50 passes through the guiding for being set to reduction box casing 32 that screw 51 rotates In column 53, cam 50 is using the center line of guide post 53 as pivot axis.Wherein driving section is to be set on cam 50 close to behaviour The first connecting pin 52 in the first end face of workpiece 40, the first connecting pin 52 engage mating with groove 42, with first on cam 50 The opposite second end face in end face is provided with the second connecting pin 54, and the second connecting pin 54 prolongs in opposite direction with the first connecting pin 52 It stretches.
Driving link 60 is set between reduction box casing 32 and main casing 12, close to one end of cam 50 on driving link 60 It is provided with the first connecting portion with the mating of the second connecting pin 54, which is configured to receive the company that connecting pin 54 is inserted into Connect the form in hole 62.Second connecting portion and third interconnecting piece are provided on driving link 60, which is configured to card slot 64 Form.By the second connecting pin 54, the rotary motion of driving member 50 is converted to driving link 60 and vertically moves along main casing.It passes Moving part 50 rotates forward driving driving link 60 and is longitudinally away from work package 20 along main casing and moves, and driving member 50 rotates backward drive Dynamic driving link 60 is moved along the longitudinal close work package 20 of main casing.Third interconnecting piece is to be set to 60 bottom of driving link extremely Small part coats mouth 66.
Connector 28 is set between work package 20 and output shaft 6 and can move axially along output shaft 6, connector 28 Including main part 28a and be coupled to the clamping portion 27 of main part 28a, main part 28a in the form of casing with output shaft 6 one End sliding mating, the other end with can alternatively with working shaft 22a, 24a of mounting working chuck 22,24 be coupled.Main part 28a's is outer It encloses and is provided with elastic component, the elastic component of present embodiment uses pressure spring 29；Clamping portion 27 is connected on main part 28a close to defeated One end of shaft 6 is used to be coupled with 60 card slot 64 of driving link, and clamping portion 27 is slideably socketed on the peripheral surface of main part 28a On, the end main part 28a setting retainer ring (not shown) for limiting, clamping portion 27 can be defined on main part 28a and It is unlikely to be detached from main part 28a；When main part 28a is in initial position, clamping portion 27 is connected under the action of elastic component 29 Retainer ring.
Rotating device is provided between driving link 60 and safety device 16, rotating device is rotating member in present embodiment 86, rotating member 86 can be rotated relative to main casing 12 around a fixed axis.Rotating member 86 includes and is formed in the interface of driving link 60 First mating parts 87 of 66 engagements, and the second mating part 88 for being coupled with safety device 16, the first mating part 87 and the The axis (not shown) that two mating parts 88 relatively rotate part 86 is symmetrical arranged.Safety device 16 includes being driven by rotating member 86 First pivotal part 90 of dynamic rotation and the second pivotal part 91 driven by the first pivotal part 90, wherein the first pivotal part 90 is set There is the interface 92 that mating is engaged with 86 second mating part 88 of rotating member.
Referring to Fig. 2, Fig. 4, the first connecting pin 52 is slippingly engaged in the groove 42 of 40 medial surface of operating parts.This reality The groove 42 for applying mode is arranged to the ︺ type groove along 12 extending direction of main casing, and ︺ type groove includes centrally located translot portion 44, And positioned at 44 both ends of translot portion and symmetrical chute portion 46a, 46b.When original state, connecting pin 52 is located at chute portion The cecum of 46a, 46b and and cell wall against.
When operating parts 40 is pressed shown in arrow M along main casing 12 along main casing longitudinal movement in initial position, it is engaged in recessed First connecting pin 52 of slot 42 is moved along the chute portion 46a of groove 42, the first connecting pin 52 pass through shift motion a, cam 50 around 53 axis of guide post presses the pivot of direction shown in arrow R1, and the second connecting pin 54 is correspondingly rotated with cam 5, the second connecting pin 54 Rotation drive the driving link 60 that is coupled with it to be longitudinally away from work package 20 along main casing to move；In present embodiment, actively Part 60 is consistent with 40 moving direction of operating parts.The movement of driving link 60 causes to drive main body with the clamping portion 27 that card slot 64 is coupled Portion 28a is mobile with driving link 60, leads to the one end main part 28a being coupled originally with the working shaft 22a of mounting working chuck 22 and work Axis 22a is disengaged.Once main part 28a is separated with working shaft 22a, the opposite shell 10 of work package 20 is allowed to be pivoted.Even Outbound 52 is when chute portion 46a is mobile, by dropping to translot portion 44, the stroke a that connecting pin 52 is passed by the top of chute portion 46a It is the unlock stroke of operating parts 40.When the connecting pin 52 for being engaged in groove 42 is moved along the translot portion 44 of groove 42, cam 5 It does not rotate.When the connecting pin 52 for being engaged in groove 42 is moved along the chute portion 46b of groove 42, connecting pin 52 is from translot portion 44 The top of chute portion 46b is risen to, cam 5 is rotated backward along direction shown in arrow R2 at this time.
Transmission mechanism includes the rack gear arrangement driven by operating parts 40, the gear assembly 70 connecting with rack gear arrangement, and By the transmission component 80 of the driving rotation of gear assembly 70, transmission component 80 is for driving work package 20 to pivot with respect to shell 10.
Referring to Fig. 5, Fig. 6, the second driving portion is additionally provided on operating parts 40, the second driving portion of present embodiment is to set It is placed in the actuating arm 41 of operating parts 40, rack gear arrangement 34 is set between operating parts 40 and reduction box casing 32, rack gear arrangement 34 Including the holding component being coupled with actuating arm 41, and it is used to support the rack gear 36 of telecontrol equipment.The holding group of present embodiment Part has lock state and release conditions, and when keeping component to be in release conditions, 41 drive rack device 34 of actuating arm is along output Axis 6 moves axially, and when keeping component to be in the lock state, it is axial along output shaft 6 that actuating arm 41 is unable to drive rack device 34 It is mobile.The holding component of present embodiment includes a pair of the first clamp hook piece 35, the second clamp hook piece for being rotatably arranged in rack gear 36 37, the first clamp hook piece 35, the second clamp hook piece 37 are axially distributed along output shaft, and actuating arm 41 is operationally axially transported along output shaft It is dynamic.
First clamp hook piece 35, the second clamp hook piece 37 have latched position and releasing position, when the first clamp hook piece 35, second Clamp hook piece 37 is in releasing position, and operating parts 40 is parallel to the movement of output shaft axis by 41 drive rack device 34 of actuating arm, When one of the first clamp hook piece 35, the second clamp hook piece 37 are in the locked position, operating parts 40 cannot be driven by actuating arm 41 Rack gear arrangement 34 moves.The end of rack gear 36 is formed with the notch 36a along rack gear extending direction, the two sidewalls 36b of notch 36a It is respectively arranged with aperture 36c, the first clamp hook piece 35, the second clamp hook piece 37 are by being arranged in the pivot of rack gear side wall 36b aperture 36c Axis 38 is rotatably arranged in the notch 36a of 36 one end of rack gear.It is respectively arranged on first clamp hook piece 35, the second clamp hook piece 37 Elastic component, present embodiment elastic component use torsional spring 39.
Referring to Fig. 6, actuating arm 41 is set to the medial surface of operating parts 40 and to protruding inside shell 10.First clamp hook piece 35, the second clamp hook piece 37 has the prestressing force that notch 36a is protruded to 40 direction of operating parts under the action of torsional spring 39.Work as behaviour When workpiece 40 is in original state, the withstanding effect that the hook part 35a of the first clamp hook piece 35 is driven swing arm 41 overcomes torsional spring 39 to make It firmly turns to the inside to stretching notch 36a.
Referring to shown in Fig. 4 to Fig. 7, when operating parts 40 presses direction shown in arrow M relative to the movement of shell 10, actuating arm 41 Moved together with operating parts 40, actuating arm 41 relative to rack gear arrangement 34 it is mobile during, power is compressed to the first clamp hook piece 35 It is smaller and smaller, until the hook part 35a of the first clamp hook piece 35 is returned back in notch 36a under 39 active force of torsional spring and and rack gear The end wall 36d of notch 36a engages clamping.At this point, further along direction moving operation part shown in arrow M 40, the first, second card Hook part 35,37 be supported on 32 supporting surface 32a of reduction box casing, actuating arm 41 act on the first, second clamp hook piece 35,37 it Between to drive rack gear arrangement 34 integrally moved along direction shown in arrow M.As previously mentioned, operating parts 40 is mobile relative to shell 10, When connecting pin 52 in the first chute portion 46a when sliding into 44 intersection location of translot portion, unlock stroke a is completed, work package 20 allow opposite shell 10 to be pivoted.The current location of operating parts 40 is that actuating arm 41 starts band carry-over bar dress in Fig. 7 Set the initial position of 34 overall movements.At this point, further along direction moving operation part shown in arrow M 40, actuating arm 41 is to Two clamp hook pieces 37 are close.
Referring to shown in Fig. 4, Fig. 8, connecting pin 52 starts in the position that the first chute portion 46a intersects with translot portion 44 in cross The second chute portion 46b is moved and is close in groove portion 44, and connecting pin 52 is operating parts 40 in the shift motion b of translot portion 44 Switching stroke, work package 20 are rotated relative to shell 10 around pivot axis Y1.When operating parts 40 along direction shown in arrow M into one Moved further, actuating arm 41, which compresses the second clamp hook piece 37, makes its hook part 37a that elastic force be overcome to be convex on the inside of rack gear notch 36a, card Hook part 37a is detached from supporting surface 32a.When connecting pin 52 reaches translot portion 44 and the second chute portion 46b intersection location, operating parts 40 Actuating arm 41 and hook part 37a are disengaged, and operating parts 40 is mobile no longer to drive rack gear arrangement 34 to move integrally.Connecting pin 52 is in cross The shift motion b of groove portion 44, do not cause cam 50 further rotated around 53 center line of guide post and moving member 60 into one Moved further, and work package 20 turns over 180 degree with respect to shell 10.
Referring to shown in fig. 4, fig. 9, when the rotation of work package 20 causes its mounting working chuck 24 to turn to operating position, at this time Working shaft 24a is rotated to the position substantially aligned with main part 28a.Further along direction moving operation part shown in arrow M 40 to The extreme position of moving direction, connecting pin 52 enter the second skewed slot by translot portion 44 and the sliding of the second chute portion 46b intersection location Portion 46b and against the end wall of the second chute portion 46b, connecting pin 52 is operating parts in the shift motion c of the second chute portion 46b 40 locking stroke, in shift motion c, operating parts 40 no longer drives rack gear arrangement 34 mobile.Due to the second chute portion 46b It is symmetrical arranged with the first chute portion 46a about translot portion 44, therefore connecting pin 52 connects when moving in the second chute portion 46b Pin 52 is turned round around 53 center line of guide post along the direction R2 with moving cam 50.The revolution of cam 50 drive driving link 60 along with operation The mobile opposite direction of part 40 is mobile.Driving link 60 pushes clamping portion 27 to overcome 29 active force of pressure spring and drives main part 28a mono- It rises to close mounting working chuck direction movement, so that main part 28a with the working shaft 22a of mounting working chuck 22 by disengaging before Position returns back to the position that the working shaft 24a of output shaft 6 and mounting working chuck 24 is coupled.Once output shaft 6 and working shaft 24a In place, i.e., the position conversion between completion one action collet 22,24, output shaft 6 drives the mounting working chuck being coupled therewith for mating 24 rotations.And mounting working chuck 22 is due to turning to off-position, thus can not be driven and be rotated by output shaft 6.
The pressure spring 29 of present embodiment plays a part of reset spring again simultaneously, due to main part 28a and working shaft 24a The function of transmitting torque is undertaken after mating, therefore the mating end of working shaft is usually disposed as spline tooth, and main part 28a matches Connect end be then arranged to accordingly at least partly coat spline tooth spline (referring to Fig.1 1), when main part 28a return back to During working shaft 24a is coupled, due to manufacturing tolerance etc., spline tooth and spline are possible to have angular misalignment, That is the mating end spline tooth of working shaft 24a is not coated at least partly in the spline of main part 28a, but in main body Portion 28a is in the active force of spring 29, and mating end spline is tight against against working shaft spline tooth, once starter motor 8, output Axis 6 drives main part 28a rotation, and the spline of main part 28a then turns over an angle with respect to spline tooth, and main part 28a is in bullet Make spline and spline tooth engagement under the resilient force of spring 29, that is to say, that main part 28a be reset automatically to work The position of axis 24a mating.
Operating parts 40 is moved to extreme position from initial position along main casing longitudinal direction, so that output shaft 6 and two filing appliances One of first 22,24 disengage, and another of two mounting working chucks 22,24 is switched to the position being coupled with output shaft 6.Wherein, it operates During part 40 is moved to extreme position by initial position, one of output shaft 6 and two mounting working chucks 22,24 are first disengaged, then Work package 20 is pivoted with respect to shell 10, and another of final output shaft 6 and two mounting working chucks 22,24 are coupled.
Those skilled in the art it is contemplated that operating parts 40 with respect to shell 20 completed along arrow M it is primary complete unidirectional Sliding is completed two mounting working chucks 22 and mounting working chuck 24 and is converted in different location.Operating parts 40 is axial from leaning on along output shaft The initial position of nearly work package 20 is moved to the extreme position far from work package 20, so that output shaft 6 and two works Make the disengagement of one of collet 22,24, another of two mounting working chucks 22,24 is switched to the position being coupled with output shaft 6.Operation During part 40 is moved to extreme position by initial position, one of output shaft 6 and two mounting working chucks 22,24 are first disengaged, so Work package 20 is pivoted with respect to shell 10 afterwards, and another of final output shaft 6 and two mounting working chucks 22,24 are coupled.
As completed primary complete sliding by output shaft axis reverse movement operating parts 40 is parallel to shown in arrow M, By linkage mechanism and transmission mechanism, mounting working chuck 22 and the position of mounting working chuck 24 can be made to convert again, i.e., by mounting working chuck 24 are changed to by mounting working chuck 22 and the mating of output shaft 6 by the driving rotation of output shaft 6, do not repeat herein.
Referring to shown in Fig. 3, Figure 10, Figure 11, gear assembly 70 is set in main casing 12, and transmission component 80 is set to master Between shell 12 and work package 20.Gear assembly 70 includes the gear wheel 72 with 36 engaged transmission of rack gear, and passes through connection The pinion gear 74 that axis 71 and gear wheel 72 are coaxially fixedly installed, the pinion gear 74 of present embodiment are arranged to helical gear.Wherein pass Dynamic component 80 include with the transmission gear 82 of 74 engaged transmission of pinion gear and the transmission arm 84 being connect with transmission gear 82, Middle transmission gear 82 is also provided with into helical gear, and the helical angle of pinion gear 74 and transmission gear 82, which is all provided with, is set to 45 degree, to realize The transmission of spatial intersecting axis.Transmission arm 84 is connect with work package 20, so that when the rotation of 36 drive gear wheel 72 of rack gear, it is small The generation of gear 74 correspondingly rotates, so that transmission gear 82 be driven to rotate around its axial line, the rotation of transmission gear 82 drives transmission Arm 84 and work package 20 are rotated around the axial line of transmission gear 82, the axial line and work of transmission gear 82 in present embodiment Make the pivot axis Y1 coaxial line of component 20.
Safety device 16 can be converted between two states, when first state, allow mounting working chuck 22,24 with respect to shell 10 movements, when the second state, safety device 16 limits mounting working chuck 22,24 and moves with respect to shell 10.
The safety device 16 of present embodiment includes the door body for being arranged to opposite 10 activity setting of shell, and door body can permit Perhaps it is moved between the movable first state of work package 20 and limitation movable second state of work package 20.That is, the When one state, door body has been connected to work package 20 with respect to the movable path of shell 10, and when the second state, door body has cut off work Component 20 is with respect to the movable path of shell 10.
Referring to shown in Fig. 3, Figure 12, door body has the first door body 911 and the second door body 921, and first of present embodiment Body 911 and the second door body 921 are pivoted with respect to shell 10 respectively to be arranged, and is provided with first gear 94 in the first door body 911, and second Second gear 93 is provided in door body 921, first gear 94 is engaged with second gear 93, so that the first door body 911 and second 921 relative motion of body.Safety device 16 further comprises the column of the bracket 910 of the opposite fixed setting of casing 10, connecting bracket 930, it is used to support the support 920 of column 930；First pivotal part 90 is connect with the first door body 911, the second door body 921 and The connection of two pivotal parts 91.Wherein, column 930 longitudinally extends along it and between the first door body 911 and the second door body 921.The One pivotal part 90 and the second pivotal part 91 are rotatably supported in bracket 910, are provided on the first pivotal part 90 and the first door body The mating region 96 of 911 matings, first gear 94 are set to the first pivotal part 90 and close to the second pivotal part 91, the second pivots Turn to be provided with the mating region 95 with the mating of the second door body 921 on part 91, second gear 93 is set to the second pivotal part 91 and leans on Nearly first pivotal part 90.First pivotal part 90 can be rotated around 94 center line of first gear, and the first pivotal part 90 passes through the first tooth 94 driving second gear 93 of wheel rotates backward simultaneously around its center line.It is provided with support shaft 912 in first door body 911 and connects Interpolating unit 913, wherein the centre bore (not shown) of 912 head end of support shaft and first gear 94 is coupled, Plug Division 913 and the The fixed mating in the mating region 96 of one pivotal part 90.It is provided with support shaft 931 and Plug Division accordingly in second door body 921 932, the wherein fixed mating in Plug Division 932 and mating region 95,931 head end of support shaft and the centre bore of second gear 93 are matched It connects.Bracket 910 and support 920 are respectively arranged with tenon 910a, 920a on the end face of its opposite side and are used for and 930 liang of column The fixed mating of the notch 930a (one is only shown in figure) at end；Correspondingly, 912 tail end of support shaft and support of the first door body 911 920 door-hinge hole 920b mating, 931 tail end of support shaft of the second door body 921 and the door-hinge hole 920c of support 920 are coupled.
The setting of first door body 911 and the second door body 921 so that the rotation of the first pivotal part 90 drive the first door body 911 around 912 axis of support shaft is rotated in the forward direction by arrow R3 is signified, while the second door body 921 being driven to press arrow R4 around its support shaft 931 Signified reverse rotation, that is to say, that the first door body 911 is converted by the second state close to each other to phase with the second door body 921 Mutually separate first state.Signified forward and reverse of the invention is two opposite directions, if forward direction is side clockwise To, then be reversed counterclockwise；If it is reversely clockwise counterclockwise that forward direction, which is,.First door body 911 with Second door body 921 is reversely pivoted to allow work package 20 movable, that is to say, that the first door body 911 and the second door body 921 are anti- To pivotable communication mounting working chuck 22,24 in the path that operating position and off-position move, the first door body 911 and second Body 921 is pivoted in opposite directions to limit work package activity, that is to say, that the first door body 911 is pivoted in opposite directions with the second door body 921 and cut Path of the disconnected mounting working chuck 22,24 in operating position and off-position movement.
Referring to Fig.1 2, for the inner space for making full use of safety device 16, the first door body 911 and the second door body 921 it is interior Side is separately provided for the support construction 923 of the working accessories such as location mode such as screwdriver bit, drill bit, if it is desired, column 930 Inside the support construction for storing working accessory also can be set.When safety device 16 is in first state, operator It can according to need selection working accessory, or unused working accessory deposited in support construction 923, not only fill in this way The space of safety device 16 point is utilized, makes to operate more convenient, and it is easy to be lost not allow working accessory.
Referring to 13A, Figure 13 B, when operating parts 40 shown in arrow M along being parallel to during output shaft axis unidirectionally slides, Driving link 60 is moved along output shaft axially away from work package 20, and driving link 60 moves driving rotating member along above-mentioned direction 86 turn to extreme position from initial position to side.In conjunction with referring to Fig. 3, driving link 60 is along output shaft axially away from working group Part 20 is mobile to be moved along output shaft axially away from work package 20 with follower link 28 simultaneously, so that the work of mounting working chuck 22 Axis 22a disengages the connection with output shaft 6, so that allowing work package 20 to pivot with respect to shell 10 realizes mounting working chuck 22,24 Position conversion.
4, Figure 15 A to 15B referring to Fig.1, rotating member 86 drive the first pivotal part 90 and the first door body 911 to press arrow R4 institute Show that direction is rotated around support shaft 912, the second pivotal part 91 and the second door body 921 press direction shown in arrow R5 around support shaft simultaneously 931 rotate backward.First door body 911 and the second door body 921 are from the second state close to each other to first state away from each other Conversion, the edge of the first door body 911 and the second door body 921 is switched to the position being located remotely from each other by close to each other at this time.
3B, Figure 15 C referring to Fig.1, when safety device 16 is in first state, the first door body 911 and the second door body 921 It is switched to the second state.In present embodiment, the line at 911 edge of pivot axis and the first door body of the first door body 911 and Substantially be arranged in obtuse angle between the line at 921 edge of pivot axis and the second door body of two door body 921, obtuse angle range be 120 to Between 180 degree.When safety device 16 is in the second state, work package 20 is allowed to move with respect to shell 10, that is to say, that work Make that collet 24 moves to operating position by off-position and mounting working chuck 22 moves to off-position by operating position Motion path be connected to.
3C referring to Fig.1, operating parts 40 continue during moving along direction shown in arrow M, and work package 20 is with respect to shell 10 pivot, so that the mounting working chuck 22 in operating position turned to off-position originally, and are in off-position originally Mounting working chuck 24 turn to operating position.Rotating member 86 at this time is held in the extreme position of rotation direction, safety device 16 It is held in first state, shifts to off-position convenient for turning mounting working chuck 22.
Referring to Fig. 3, Figure 13 D, operating parts 40 is further mobile to keep connector 28 longitudinal close to work package 20 along main casing It is mobile, so that the connection of the working shaft 24a of mounting working chuck 24 and output shaft 6.60 edge of driving link driven at this time by driving member 50 Output shaft is mobile axially adjacent to work package 20, and driving link 60 drives rotating member 86 reversely to turn from extreme position to initial position Dynamic, the first door body 911 and the second door body 921 are converted from first state away from each other to the second state close to each other.Work as peace Full device 16 is in the second state, and the mounting working chuck 22 in off-position is at least partly covered or surrounded, thus It limits mounting working chuck 22,24 to move, that is to say, that the path that mounting working chuck 22,24 carries out position conversion is cut off.
When operating hand-hold power tool 100, operator only needs that safety can be made with one-handed performance operating parts 40 Device 16, which is in, allows the movable first state of work package 20, then makes two mounting working chuck conversion positions, finally makes safety Device is in limitation movable second state of work package.Specifically, operation operating parts 40 makes operating parts 40 be parallel to output shaft Axis is mobile.
Second embodiment
Referring to Fig.1 6 to Figure 18, more kinetic energy tools have similar structure with first embodiment, state for convenience, The similar structures such as shell and operating parts, structure use same as the first embodiment in present embodiment are removed in attached drawing It is identically numbered expression and is not repeated and repeat, different structures will be discussed in detail below.
Linkage mechanism includes driving link 60 ', with the connector (not shown) of the mating of driving link 60 ' and by actively The rotating device that part 60 ' drives.Wherein driving link 60 ' can be along output shown in arrow M as the driving of operating parts (not shown) Axis axial movement.Driving link 60 ' includes main body 61 and the linking arm 65 for being set to main body 61, is provided with card on linking arm 65 Slot 65a is used for and the clamping portion 27 of connector 28 (referring to Fig. 3) mating；Guide portion 63 is arranged in main body 61 to be used for and be set to The driving portion (not shown) of operating parts is coupled, and drive driving link 60 ' can by operating parts.Distinguish the two sides of main body 61 It is provided with the connecting column 61a radially extended along motor.The two sides of reduction box casing 32 are symmetrically provided with to be radially extended along motor The first support shaft 33a (one is only shown in figure), the second support shaft 33b that the bottom of reduction box casing 32 extends downwardly.
Rotating device includes substantially u-shaped rotating turret 75, rotating turret 75 have two support arms 76 extended in parallel with And the interconnecting piece 77 between support arm 76；The support with support shaft 33a mating is wherein symmetrically provided on support arm 76 Hole 76a is provided with arc groove 77a on interconnecting piece 77.Rotating turret 75 is rotationally supported in reduction box casing by supported hole 76a On 32 and using support shaft 33 as pivotal axis.The free terminal of support arm 76 is respectively arranged with forked portion 76b, is used for and setting It is clamped respectively in a pair of of connecting column 61a of driving link 60 ', by forked portion 76b and connecting column 61a, driving link 60 ' is parallel to The movement of output shaft axis is converted to rotating turret 75 and pivots around support shaft 33.Rotating device further includes connecting with rotating turret 75 The pivotal arm 78 connect is provided with the connecting hole 78a with the second support shaft 33b mating on pivotal arm 78, engages with arc groove 77a The connecting pin 78b and forked portion 79 of mating；Wherein connecting pin 78b is set between forked portion 79 and connecting hole 78a.Pass through The pivoting action driving pivotal arm 78 of arc groove 77a and connecting pin 78b, rotating turret 75 are rotated around the second support shaft 33b.
Safety device 16 ' includes at least one rotatable door body 911 ', and door body 911 ' can rotate around it axis rotation, The working shaft axis collinear of its pivot center and the mounting working chuck 22 in off-position.Door body 911 ' generally forms ring Shape door body or close to annular door body, has a pair of window 97 diametrically in door body 911 ', that is to say, that window 97 is in 180 It spends symmetrical.The bayonet lock 98 with the mating of the forked portion 79 of pivotal arm 78 is provided in door body 911 '.The rotation band of pivotal arm 78 Dynamic first door body 911 ' is rotated around its own center line.
7, Figure 18 referring to Fig.1, when driving link 60 ' is moved to default position along output shaft axis direction is parallel to shown in arrow M It sets, driving rotating turret 75 is pivoted around the first support shaft 33a, and the pivoting action driving pivotal arm 78 of rotating turret 75 is around the second support Axis 33b turns over certain angle, and door body 911 ' turns over corresponding angle along direction shown in arrow R5 under the action of pivotal arm 78 Degree, causes the window 97 in the first door body 911 ' to turn over identical angle therewith.The movement of driving link 60 ' passes through its card slot 65a The mating with 22 working shaft of mounting working chuck is disengaged with follower link 28.Its window 97 is set to allow work when door body 911 ' is switched to Component 20 is pivoted with respect to shell, that is to say, that mounting working chuck 22,24 can be rotated into or be produced from the window of door body 97 respectively.Work Making collet 22,24 can convert between operating position and off-position, without with the first door body ' generate any interference.
When safety device 16 ' is in first state, door body 911 ' turn to make the radial window 97 of a pair of door body 911 ' with The motion path of mounting working chuck 22,24 is connected, to provide entrance with respect to shell activity for work package 20, that is to say, that Window 97 has been connected to the path that mounting working chuck 22,24 moves between operating position and off-position.When the second state, door Body 911 ', which is switched to, makes door body 911 ' limit work package 20 with respect to 10 activity of shell, that is to say, that door body 911 ' has been cut off The path moved between operating position and off-position.
With further reference to Figure 19 A to 19C, safety device 16 ' can be set to include the first door body 911 ' and the second door body 921 ', a pair of radial window is respectively set in the first door body 911 ' and the second door body 921 '.
The opposite shell of second door body 921 ' is fixedly installed, and the second door body 921 ' is set to 911 ' outside of the first door body, also It is to say, the first door body 911 ' is inside door, and the second door body 921 ' is at least partially around the external door for enclosing inside door.First door body, 911 ' phase To the second door body 921 ' closer to the mounting working chuck of off-position.The size of window 99 and window 97 in second door body 921 ' Match, window 99 is set on the position being connected with the motion path of mounting working chuck.Under usual condition, work as work package When at least one mounting working chuck 22,24 is in operating position in 20, the window 97 of the first door body 911 ' and the second door body 921 ' Window 99 is radially staggered, that is to say, that safety device 16 ' is in the second state, the first door body 911 ' and the second door body 921 ' The path that mounting working chuck moves between off-position and operating position is cut off.Only when driving link 60 ' is parallel to output shaft When axis is mobile, while connector is disengaged with the disengagement of the working shaft of one of mounting working chuck 22,24, the first door body 911 ' is by pivot Direction shown in the drives edge arrow R5 of pivoted arm 78 is rotated to making window 97 and the window of the second door body 921 ' 97 diametrically, this When safety device 16 ' be in first state, allow operator with respect to shell 10 pivot work package 20.
When mounting working chuck conversion in place, then by operation operating parts makes driving link 60 ' along the counter motion in direction shown in M, The working shaft of connector and selected mounting working chuck is coupled, while pivotal arm 78 drives the first door body 911 ' along shown in R5 The second state that the reverse rotation in direction is extremely mutually staggered with the second door body 921 '.In this way, being in the filing appliance of off-position Head is at least partly coated in safety device 16 ', and touch operation person during the work time is avoided, and operation interface becomes letter It is clean.
In another alternatively scheme, the relative positional relationship of the first door body 911 ' and the second door body 921 ' can be mutual It changes, that is to say, that the first door body 911 ' may be disposed at the outside of the second door body 921 ', and the second door body 921 ' is inside door, and first Body 911 ' is that at least department is around 921 ' external door, and opposite first door body 911 ' of the second door body 921 ' is closer in inoperative The mounting working chuck of position.
When operating hand-hold power tool 100, operator operates operating parts with first hand, makes at safety device 16 Make two mounting working chucks in the permission movable first state of work package 20, then with second hand control movement of work package 20 Position is converted, when mounting working chuck position is converted in place, then operating operating parts keeps safety device living in limitation work package 20 The second dynamic state.Specifically, operation operating parts makes operating parts be parallel to output shaft axis mobile.
Third embodiment
Referring to Figure 20 to Figure 22, hand-hold power tool, which has, is similar with first embodiment structure, states for convenience, Structure same as the first embodiment is repeated using being identically numbered expression and be not repeated in present embodiment, in attached drawing Shell is removed, different structures will be discussed in detail below.
In present embodiment, when the mating of one of output shaft 6 and working shaft, when safety device is from the second state to first When state is converted, safety device 16 drives linkage mechanism movement to disengage working shaft and output shaft 6, when safety device 16 is by the When one state is converted to the second state, safety device 16 drives linkage mechanism movement that one of working shaft is coupled with output shaft 6.
Linkage mechanism includes driving link 60 ", the connector (not shown) and rotation that connect respectively with driving link 60 " Part 86.The operating parts 922 for manual operation is provided on safety device 16.In present embodiment, operating parts 922 is set to (one is only shown in figure) at least one door body in one door body 911 and the second door body 921, operating parts 922 is specifically arranged to just In the recess portion that operator's hand grasps, operator pushes one of door body by the recess portion 922 so that the first door body 911 with Second door body 921 is pivoted relative to each other so that safety device 16 is converted in first state and the second state.When first state, safety is filled It sets 16 permission, two mounting working chucks 22,24 and carries out position conversion, that is to say, that the fortune of the opening work package 20 of safety device 16 Dynamic path；When the second state, safety device 16 limits two mounting working chucks 22,24 and carries out position conversion, that is to say, that safety Device 16 has cut off the motion path of work package 20.
In addition, in order to make operator can be carried out one-handed performance operating parts, operating parts to hand while gripping handle 14 On handle 14 far from safety device side between minimum range setting be advisable 60 between 140mm, it is preferred to use distance For 80 between 120mm.
Driving link 60 " is moved along the axial movement drive connection part 28 of output shaft 6 with respect to output shaft 6,28 one end of connector Be connected to output shaft 6, the other end selectively with the mating of one of working shaft or disengage.Operator is by being manually operated the operation Part 922 pivots the first door body 911 and the second door body 921 reversely, is separately connected with the first door body 911 and the second door body 921 The first pivotal part 90 and 91 synchronous backward of the second pivotal part rotation.The rotation of first pivotal part 90 by at least partly wrap The second mating part 88 for covering the clamping of portion 92 is transferred to rotating member 86, rotates rotating member 86 around its center line, and rotating member 86 turns Dynamic i.e. driving driving link 60 " and connector are moved relative to output shaft 6 along output shaft axis.So that mounting working chuck 22,24 it One working shaft and output shaft 6 is disengaged or is coupled.
When safety device 16 is in first state, output shaft 6 has disengaged the mating with 22 working shaft of mounting working chuck, operation Person can be allowed to opposite casing pivot by the way that work package 20 is manually operated, and make the off-position for being in safety device 16 originally Mounting working chuck 24 from safety device 16 go out turn to operating position, and originally in operating position mounting working chuck 22 rotate It to off-position, and is at least partly coated by safety device 16, to realize the position conversion of mounting working chuck 22,24.
When the position of mounting working chuck converts, as long as operation setting is in the operating parts of door body again by operator, first Body 911 and the second door body 921 are pivoted to direction close to each other, and safety device 16 is made to be in the second state.Driving link at this time 60 " under the driving effect of rotating member 86 band follower link make and work along output shaft axis to being moved close to work package 20 The working shaft and output shaft 6 for making one of collet 22,24 are coupled.At this time operator can starter motor 8 carry out safe operation.
When operating hand-hold power tool 100, operator operates operating parts 922 with first hand of gripping handle 14, Being in safety device 16 allows the movable first state of work package 20, then is moved with second hand control work package 20 Make two mounting working chuck conversion positions, when mounting working chuck position is converted in place, then operating operating parts 922 makes at safety device In limitation movable second state of work package 20.Specifically, operation operating parts 922 makes operating parts 922 with respect to shell 10 around solid Dead axle line pivots.
The operating parts of the first door body 911, the second door body 921 is set in present embodiment, those skilled in the art can also It is protruded from the form of handle or the other other structures for facilitating operator to grab or hold of door body by being set to, such as high friction system Several rubber coated part, small rib strip etc..
Certainly, those skilled in the art by the shape to the first door body 911, the second door body 921 it is contemplated that carried out Setting, operator can direct safe operation devices itself, that is to say, that directly operate the first door body 911 or the second door body 921, and operating parts is no longer additionally set, safety device can be made to be in first state, to allow work package 20 with respect to shell 10 movements.By pivoting work package 20 manually, mounting working chuck 22,24 is made to carry out position conversion；When mounting working chuck 22,24 Position is converted in place, then safe operation device is at the second state, is moved with limiting workpiece component 20 with respect to shell 10. Safety device is pivoted around fixed axis when safe operation device 16, specifically, around the pivotal axis the of the first door body 911 One door body 911, the first door body 911 drive the second door body 921 to rotate backward simultaneously；Or the pivot axis around the second door body 921 The second door body 921 is rotated, the second door body 921 drives the first door body 911 to rotate backward simultaneously.
When operating hand-hold power tool 100, operator operates mounting device with first hand of gripping handle 14 16, being in safety device 16 allows the movable first state of work package 20, then is transported with second hand control work package 20 Dynamic to make two mounting working chuck conversion positions, when mounting working chuck position is converted in place, then safe operation device 16 makes safety device In limitation movable second state of work package 20.Specifically, safe operation device 16 is with respect to shell 10 around fixed axis pivot Turn.
4th embodiment
Referring to Figure 23, present embodiment is a kind of deformation of third embodiment.Operating parts 89 is set with respect to the pivot of shell 10 It sets.Operating parts 89 is set on linkage mechanism and extends and is manually operated outside shell 10 for operator.When output shaft 6 with When one of working shaft is coupled, operating parts 89 drives linkage mechanism that safety device 16 is driven to be converted by the second state to first state, When output shaft and working shaft disengage, operating parts 89 drives linkage mechanism that safety device is driven to be converted by first state to second State.
In present embodiment, operating parts 89 is set on rotating member 86 and extends hull outside, manual for operator Operation can drive rotating member 86 to rotate about the axis thereof, so that the first pivotal part 90 of driving drives the second pivotal part 91 simultaneously Opposite or phase reverse rotation, the first door body 911 and the second door body 921 are close to each other or be located remotely from each other and make safety device 16 the It is converted between two-state and first state.The rotate driving driving link 60 " and connector of rotating member 86 are parallel to output shaft axis It is mobile, so that the working shaft of one of mounting working chuck 22,24 and output shaft 6 be made to be coupled or disengage.When safety device 16 is in first State, the working shaft and output shaft 6 of one of mounting working chuck 22,24 disengage, the first door body 911 and the reversed pivot of the second door body 921 It goes to and is located remotely from each other the motion path for making mounting working chuck and is opened, so that work package 20 be allowed to pivot with respect to casing 10, realize Mounting working chuck 22, the conversion of 24 positions.When safety device 16 is in the second state, the working shaft of one of mounting working chuck 22,24 with it is defeated Shaft 6 is coupled, and the first door body 911 is reversely switched to close to each other with the second door body 921, makes the motion path of work package 20 Be closed, limit work package 20 with respect to shell 10 pivot, at this time operator can starter motor 8 carry out safe operation.
In another selectable scheme, operator can also operation setting in the operating parts 922 of safety device 16, make to pacify Full device is converted between first state and the second state.
Referring to Figure 24 A, the structure of safety device 16 has carried out local change in present embodiment, so that safety device 16 The first door body 911 and the second door body 921 in the active force of elastic component the second state is automatically returned to by first state, i.e., only Operator is wanted to discharge operating parts 89, safety device 16 can automatically return to closed state by opening state.It is covered in support shaft 912 Equipped with elastic component 914, present embodiment elastic component 914 is set as torsional spring, torsional spring tool there are two terminal part, one of end with Gusset positioned at bracket 910 abuts, and the other end is abutted with the convex block 90a for being formed in 90 top surface of the first pivotal part.Present embodiment Torsional spring can also use other flexible components replacements.
Referring to Figure 24 B, when the first door body 911 and the second door body 921 are from the second state to when first state conversion, first Pivotal part 90 drives the first door body 911 to pivot around 912 axis of support shaft, and the second door body 921 of driving is in opposite direction simultaneously around it Support shaft axis (not shown) pivots；Safety device 16 is in the open state at this time allows work package 20 with respect to shell Body pivots, and the convex block 90a of 90 top surface of the first pivotal part pushes torsional spring that it is made to put aside elastic potential energy at this time.Once work package is complete It is converted at the position of mounting working chuck, as long as release operating parts 89, safety device can automatically return to the second state, that is to say, that First door body 911 and the second door body are switched to closed state close to each other, and limitation work package 20 is moved with respect to shell 10.
When operating hand-hold power tool 100, operator is to operate operating parts with first hand of gripping handle 14 89, being in safety device 16 allows the movable first state of work package 20, then is transported with second hand control work package 20 It is dynamic that at least two mounting working chucks 22,24 is made to convert position, when the conversion of the position of mounting working chuck in place, then discharge operating parts 40 Safety device is set to be in limitation movable second state of work package 20.Specifically, operation operating parts 89 keeps operating parts 89 opposite Shell 10 is pivoted around fixed axis.
5th embodiment
Referring to Figure 25 to Figure 26, more kinetic energy tools are based on first embodiment, third embodiment, the 4th embodiment party Formula is deformed.Interlock is arranged between safety device 16 and switch 5 in maloperation in order to prevent；In order to facilitate statement, The structure of variation is only described by present embodiment, and identical structure, which is not repeated, to be repeated.
In order to make operator can be carried out one-handed performance while gripping handle 14 to open safety device 16, safely The distance between side L1 setting on the operating parts 922 to handle 14 of device 16 far from safety device 60 to 140mm it Between, it is preferred to use distance L1 be 80 between 120mm.
Further combined with reference Figure 27 A, Figure 27 B, it is provided with connecting rod 11 in shell 10, connecting rod 11 is parallel to output shaft 6 Direction extends, and one end of connecting rod 11 is provided with hook 11a, for selectively engaging mating with the cylinder 4a of switch trigger 4, The other end of connecting rod 11 is arranged to sphaerocepharous abutting part 11b, for selectively abutting backstop with the second pivotal part 91.Even Bar 11 is movably connected between shell 10, shell 10 and connecting rod 11 by pivot 13 and is provided with elastic component 15, for working One of collet 22,24 makes hook 11a keep the state isolated with cylinder 4a holding when being in operating position.
When passing through operation operating parts 40 ', disengages output shaft 6 and disengage connection with the working shaft of one of mounting working chuck 22,24 When, the first door body 911 and the second door body 921 are relatively rotated to direction close to each other makes safety device 16 be in the second shape State, under the action of elastic component 15, hook 11a holding separates connecting rod 13 with cylinder 4a phase, abutting part 11b and the second pivot at this time Turn the separation of 911 phase of part, that is to say, that safety device is non-locking with switch trigger 4 at this time；Switch trigger 4 can be parallel to defeated at this time The mobile trigger switch 5 of shaft axis is to starter motor 8.
When by operating operating parts 40 ', when making the work axis connection of one of output shaft 6 and mounting working chuck 22,24, first Door body 911 and the second door body 921 turn in the direction away from each other makes safety device 16 be in first state.At this time second Pivotal part 91 is turned to abut with connecting rod abutting part 11b, and further push connecting rod 11 overcome the active force of elastic component 14 around Pivot 13 rotates, so that hook 11a and cylinder 4a are intermeshed, that is to say, that safety device 16 at this time with switch trigger 4 into Locking is gone.When safety device 16 is in first state, operator can not Operation switch trigger 4 be parallel to the shifting of output shaft axis It is dynamic, it also just can not 5 starter motor 8 of trigger switch；To can guarantee the safety of operation.Only pass through operation operating parts 40 ' Make the conversion of safety device 16 to the second state, the second pivotal part 91 disengagement at this time is abutted with 11 abutting part 11b of connecting rod, switch spanner Machine 4 could be moved and trigger switch 5 to starter motor 8.The elastic component 15 of present embodiment can also be with other elastic devices Replacement.
When operating hand-hold power tool 100, operator operates operating parts 922 with first hand of gripping handle 14, Being in safety device 16 allows the movable first state of work package 20, then is moved with second hand control work package 20 Two mounting working chucks 22,224 are made to convert position, when mounting working chuck position is converted in place, then discharging operating parts 922 makes safety Device is in limitation movable second state of work package 20.Specifically, operation operating parts 922 makes operating parts 922 with respect to shell 10 pivot around fixed axis.
To sum up, the specific operation method is as follows for hand-hold power tool: safe operation device, which is at, allows working group The movable first state of part；Operating working module makes at least two mounting working chucks convert position.Further operating or release peace Full device is at limitation movable second state of work package.Specifically, it is pivoted when safe operation device around fixed axis Safety device.
Specific another operating method of hand-hold power tool is as follows: operation operating parts, which is in safety device, allows work Make the movable first state of component；Operating working module makes at least two mounting working chucks convert position.Further operating is released Putting operating parts makes safety device be in limitation movable second state of work package.Specifically, operation operating parts keeps operating parts flat Row is mobile in output shaft axis or pivots operating parts around fixed axis with respect to shell.
Sixth embodiment
Referring to Figure 28 to Figure 30, hand-hold power tool is identical as the part-structure of the first, the 4th embodiment, identical Structure indicates not repeat with same number.Position on main casing 12 close to work package 20 is actively provided with Unlock piece 19, it is mobile that unlock piece 19 for operator's manual operation is parallel to output shaft axis X 1, be provided on unlock piece 19 to The interconnecting piece 19a of 10 internal stretch of shell, unlock piece 19 is fixedly connected by interconnecting piece 19a with driving link 60, in interconnecting piece It is provided with spring 19b between 19a and shell (not shown), under usual state, active force of the unlock piece 19 in spring 19b Under be held in lock state, that is to say, that unlock piece 19 locks work package 20 with respect to the position of shell 10；Specifically Ground, unlock piece 19, which matches the working shaft of output shaft 6 and one of mounting working chuck, to be connected together.
It can be by work package 20 with respect to the position that shell 10 locks by being parallel to the mobile unlock piece 19 of output shaft axis X 1 Upper releasing；Pivoting work package 20 makes the mounting working chuck in off-position abut and safety device is driven to move, to allow At least two mounting working chucks convert position.
Overcome spring 19b active force to move unlock piece 19 along direction shown in arrow M, drives driving link 60 in respective direction On movement, since mating, driving link are engaged with the card slot 64 ' for being set to driving link 60 in the clamping portion 27 of connector 28 60 movement is moved with follower link 28 along output shaft axis X 1 by clamping portion 28, leads to one end and the work of connector 28 Axis disengages, so that the working shaft of one of output shaft 6 and mounting working chuck 22,24 disengages mating, to allow 20 phase of work package Shell 10 is pivoted, unlock piece 19 is in the unlocked state at this time.It at this time can be by manual operation work package 20 around pivot axis Y1 is pivoted, and the position of mounting working chuck 22,24 is made to realize conversion.
When mounting working chuck 22,24 position conversion in place, manual releasing unlock piece 19, bullet of the unlock piece 19 in spring 19b Under property reset response, lock state is automatically returned to.
In the scheme that another kind can be replaced, directly the spring 19b being set between interconnecting piece 19a and shell is removed. When mounting working chuck 22,24 position conversion in place, operate unlock piece 19 so that work package 20 with respect to shell 10 lock.Specifically Ground, the reverse movement unlock piece 19 along direction shown in arrow M, unlock piece 19 is with the mobile one end for making connector of follower link 28 It is coupled with working shaft, so that output shaft 6 and working shaft are realized and be coupled.
With further reference to Figure 31 A, Figure 31 B, safety device 16 " includes the first door body 911 " and for pivoting setting respectively Two door body 921 ", when one of the mounting working chuck 22,24 in work package 20 is in operating position, safety device 16 " is in just Beginning state, the mounting working chuck 24 of off-position can be partially clad in safety device 16 ", the first door body 911 " and second Still leaving certain gaps uncovered by the economic plan 48 between door body 921 ", the door body of cladding mounting working chuck 24 block operator and are observed in operation in non- The sight of the mounting working chuck 24 of operating position, operation interface seem succinct.When manual operation work package 20 is allowed to around pivotal axis When line Y1 is pivoted with respect to shell 10, mounting working chuck 24 in off-position or the work for being connected to mounting working chuck are attached Part, mode such as screwdriver bit or drill bit are pivoted with work package 20 together；During pivot, mounting working chuck or working accessory It can be switched to the position abutted with the first door body 911 ", make the filing appliance of off-position when further pivoting work package 20 During first 24 turn to operating position, mounting working chuck or working accessory drive the first door body 911 " around its own axis pivot Turn, while the first door body 911 " drives the second door body 921 " reversely to pivot around its own axis, to allow at least two filing appliances Head conversion position, that is to say, that be mounting working chuck 22,24 position conversion connection motion paths.
In present embodiment, during work package 20 is pivoted with respect to shell 10, it is connected to the screw of mounting working chuck 24 Screwdriver bit 240 abuts with the first door body 911 " and drives the first door body 911 " and the second door body 921 " to pivot, and is Workpiece clamping head 24 Position conversion provides access.In the initial state, notch 48 is formed in the first door body 911 " and the second door body 911 " to safety device Edge between, be now between the mounting working chuck 24 or working accessory 240 and edge of off-position have set distance B.In present embodiment, the first door body 911 " and the second door body 911 " are generally curved, the first door body 911 " and the second door body 911 " formed notches edge it is substantially concordant, the edge of screwdriver bit 240 and the first door body 911 " and the second door body 911 " it Between minimum range B be greater than zero, be configured in this way effect be that operator is not easy to touch the filing appliance of off-position in operation Head or working accessory.
During mounting working chuck is converted by operating position to off-position, mounting working chuck 22 equally can be by safety The outer pivot of device 16 " extremely abuts with the second door body 921 " and drives the second door body 921 " and the first door body 911 " to pivot The conversion of 22 position of Workpiece clamping head provides access.
When mounting working chuck 22,24 positions convert, the first door body 911 " and the second door body 921 " are in elastic component 914 Under effect, original state is automatically returned back to.
In present embodiment, when hand-hold power tool operates, operator operates unlock piece with first hand, makes work Component unlocks with respect to shell；Pivoting work package again with second hand abuts the mounting working chuck in off-position And safety device is driven to move, to allow at least two mounting working chucks to convert position；Then unlock piece is discharged, so that working group Part is with respect to case lock.Specifically, it is mobile to be parallel to output shaft axis for unlock piece.

Claims (33)

1. a kind of hand-hold power tool, comprising:
Shell；
It is contained in the intracorporal motor of shell；
By the output shaft of motor driving rotation；
Control the switch of motor；
And the work package including at least two mounting working chucks；
It is characterized by: the work package is movably connected on shell thus each of described at least two mounting working chuck work Making collet can convert between operating position and off-position, and one of described at least two mounting working chuck is in and output When the operating position of axis mating, remaining mounting working chuck is in off-position at least two mounting working chuck, described hand-held Formula power tool further includes the safety device of at least partly mounting working chuck of the cladding in off-position, the safety device tool There are a first state and the second state, when first state, the safety device allows the work package activity, when the second state, The safety device limits the work package activity.
2. hand-hold power tool according to claim 1, it is characterised in that: at least two mounting working chuck has respectively There is working shaft, when safety device is in first state, the work of any operative collet in output shaft and at least two mounting working chucks Make axis and disengage mating, when safety device is in the second state, the mating of one of output shaft and working shaft.
3. hand-hold power tool according to claim 2, it is characterised in that: the hand-hold power tool further includes setting The linkage mechanism being placed between the safety device and work package, the linkage mechanism are associated with the safety device and working group Movement between part.
4. hand-hold power tool according to claim 3, it is characterised in that: safety device drives the linkage mechanism fortune It is dynamic that working shaft and output shaft is made to disengage mating, or one of working shaft and output shaft is coupled.
5. hand-hold power tool according to claim 3, it is characterised in that: the hand-hold power tool further includes behaviour While workpiece, the operating parts are operably driven linkage mechanism and convert safety device to first state by the second state, Output shaft and working shaft, which disengage, to be coupled；Or while converting safety device to the second state by first state, output shaft with The mating of one of working shaft.
6. hand-hold power tool according to claim 5, it is characterised in that: the operating parts is set to the safety dress It sets.
7. hand-hold power tool according to claim 6, it is characterised in that: the shell includes handle, the handle The upper side close to safety device is provided with switch trigger, on the handle between the side and operating parts of separate safety device Minimum range is 60 between 140mm.
8. hand-hold power tool according to claim 7, it is characterised in that: the upper separate safety device of the handle Minimum range between side and operating parts is 80 between 120mm.
9. hand-hold power tool according to claim 5, it is characterised in that: the operating parts is parallel to output shaft axis It is slidably disposed on the shell.
10. hand-hold power tool according to claim 5, it is characterised in that: between the operating parts and work package It is further provided with transmission mechanism, when output shaft and the working shaft disengage when being coupled, the operating parts is by driving the biography Motivation structure pivots the work package with respect to shell.
11. hand-hold power tool according to claim 3, it is characterised in that: the linkage mechanism include connector, with The driving link of connector mating and the rotating device being set between driving link and safety device, the connector is along output Axis is axial slidably be coupled with output shaft to selectively with the mating of one of working shaft or disengage mating.
12. hand-hold power tool according to claim 11, it is characterised in that: the hand-hold power tool further includes Operating parts, the operating parts is operably driven the driving link and is parallel to the movement of output shaft axis, to make the connector The rotating device driving safety device is in first state, the connector and working shaft when being coupled with one of working shaft disengagement One of mating when rotating device driving safety device be in the second state.
13. hand-hold power tool according to claim 12, it is characterised in that: the linkage mechanism further comprises setting Set the driving member between driving link and operating parts, the driving member around fixed axis selectively forward or reverse, driving member It drives driving link to far from work package movement when rotating forward, disengages output shaft and the working shaft, driving member drives when inverting One of output shaft and the working shaft is coupled to close to work package movement in driving link.
14. hand-hold power tool according to claim 11, it is characterised in that: the rotating device is opposite shell pivot The rotating member turned, the rotating member has the first mating part being coupled with driving link, and matches with the second of safety device mating Socket part.
15. hand-hold power tool according to claim 11, it is characterised in that: the rotating device includes opposite shell The rotating turret of pivot, and the pivotal arm being flexibly connected with rotating turret are provided with the with driving link mating on the rotating turret One interconnecting piece is provided with the second connecting portion of safety device mating on the pivotal arm.
16. hand-hold power tool according to claim 1, it is characterised in that: the safety device includes opposite shell The door body of activity setting, the door body can allow the movable first state of work package and limitation work package movable second It is moved between state.
17. hand-hold power tool according to claim 16, it is characterised in that: the door body includes the first door body and the Two door body, first door body and the second door body are reversely pivoted to allow work package movable, first door body with second Body is pivoted in opposite directions to limit work package activity.
18. hand-hold power tool according to claim 17, it is characterised in that: the safety device further includes with first The first gear of door body connection, and the second gear connecting with the second door body, the first gear are engaged with second gear, from And make the first door body and the second door body relative motion.
19. hand-hold power tool according to claim 16, it is characterised in that: be provided in the door body a pair of radial Opposite window, the door body is arranged with respect to housing into rotation, and when first state, the window, which provides, allows work package movable Entrance, when the second state, the door body limitation work package activity.
20. hand-hold power tool according to claim 16, it is characterised in that: the door body includes inside door and at least portion Knocker is respectively provided with a pair of window diametrically on the inside door and external door around the external door of inside door, in the inside door and external door At least one is arranged with respect to housing into rotation, when first state, the window of the inside door and external door diametrically, when the second state, The window of the inside door and external door is radially staggered.
21. hand-hold power tool according to claim 16, it is characterised in that: there are two the mounting working chucks, described One of mounting working chuck is located at operating position, another is in off-position, and the door body is pivoted with respect to shell to be arranged, door The pivot axis of body is parallel in the working shaft axis of mounting working chuck of off-position.
22. hand-hold power tool according to claim 16, it is characterised in that: there are two the mounting working chucks, described One of mounting working chuck is located at operating position, another is in off-position, and the door body is arranged with respect to housing into rotation, door The working shaft axis collinear of the pivot center of body and the mounting working chuck in off-position.
23. hand-hold power tool according to claim 1, it is characterised in that: set between the safety device and switch It is equipped with interlock, when safety device is in first state, the interlock limit switch is triggered, when safety device is in Second state, the interlock, which allows to switch, to be triggered.
24. hand-hold power tool according to claim 23, it is characterised in that: the interlock include connecting rod and The elastic component being set between shell and connecting rod, the connecting rod is pivoted with respect to shell to be arranged and has the positioned at pivot two sides One end and second end, when safety device is in the second state, connecting rod first end is abutted with safety device disengagement to allow to switch and touch Hair；When safety device is in first state, connecting rod first end is abutted with safety device to be triggered with limit switch.
25. a kind of operating method of hand-hold power tool, it is characterised in that: the hand-hold power tool includes shell, horse It reaches, the output shaft of rotation is driven by motor and is movably connected on the work package of shell, the work package includes at least two A mounting working chuck, each mounting working chuck at least two mounting working chuck can turn between operating position and off-position It changes, the hand-hold power tool further includes the safety device of at least partly mounting working chuck of the cladding in off-position；Institute Stating operating method includes following operating procedure: safe operation device, which is at, allows the movable first state of work package；Behaviour At least two mounting working chucks are made to convert position as work package.
26. the operating method of hand-hold power tool as claimed in claim 25, it is characterised in that: the operating method is into one Step includes operating the safety device to be at limitation movable second state of work package.
27. the operating method of hand-hold power tool as claimed in claim 25, it is characterised in that: operate the safety device When around fixed axis pivot the safety device.
28. the operating method of hand-hold power tool as claimed in claim 25, it is characterised in that: the operating method is into one Step includes that release safety device is at limitation movable second state of work package.
29. a kind of operating method of hand-hold power tool, it is characterised in that: the hand-hold power tool includes shell, horse It reaches, the output shaft of rotation is driven by motor and is movably connected on the work package of shell, the work package includes at least two A mounting working chuck, each mounting working chuck at least two mounting working chuck can be transported between operating position and off-position Dynamic, the hand-hold power tool further includes the safety device of at least partly mounting working chuck of the cladding in off-position, with And the operating parts for controlling safety device；The operating method includes following operating procedure: operating the operating parts makes safety Device, which is in, allows the movable first state of work package；Operating working module makes at least two mounting working chucks convert position.
30. the operating method of hand-hold power tool as claimed in claim 29, it is characterised in that: the operating method is into one Step includes operating the operating parts safety device is made to be in limitation movable second state of work package.
31. the operating method of hand-hold power tool as claimed in claim 29, it is characterised in that: operating the operating parts makes It is mobile that operating parts is parallel to output shaft axis.
32. the operating method of hand-hold power tool as claimed in claim 29, it is characterised in that: operating the operating parts makes Operating parts is pivoted with respect to shell around fixed axis.
33. the operating method of hand-hold power tool as claimed in claim 29, it is characterised in that: the operating method is into one Step includes the second state for discharging the operating parts and safety device being made to be in the limitation movable off-position of work package.
CN201410624721.XA 2014-11-07 2014-11-07 Hand-hold power tool and its operating method Active CN105619344B (en)

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Publication number Priority date Publication date Assignee Title
DE102017216015A1 (en) * 2017-09-12 2019-03-14 Robert Bosch Gmbh Hand tool

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WO2002026453A8 (en) * 2000-09-28 2004-04-29 Steen Mandsfelt Eriksen A hand-held turret drill
CN1942276A (en) * 2005-04-11 2007-04-04 怀特霍特解决方案公司 Automated chuck exchange using rotating turret
US7367757B2 (en) * 2004-12-31 2008-05-06 Sean Peter Phillips Electric drill with modified bit gripping assembly
CN201505743U (en) * 2009-09-02 2010-06-16 刘青 Double-headed electric hand drill

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Publication number Priority date Publication date Assignee Title
US3783955A (en) * 1971-04-21 1974-01-08 Gkn Screws Fasteners Ltd Power tool
US4810916A (en) * 1987-12-16 1989-03-07 Mcbride Scott Rotary power tool having dual outputs
US5149230A (en) * 1991-03-04 1992-09-22 Nett Daniel R Rotating dual attachment receptacle apparatus tool
WO2002026453A8 (en) * 2000-09-28 2004-04-29 Steen Mandsfelt Eriksen A hand-held turret drill
US7367757B2 (en) * 2004-12-31 2008-05-06 Sean Peter Phillips Electric drill with modified bit gripping assembly
CN1942276A (en) * 2005-04-11 2007-04-04 怀特霍特解决方案公司 Automated chuck exchange using rotating turret
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