CN103170956B - Annex clamp system and the power tool with this annex clamp system - Google Patents
Annex clamp system and the power tool with this annex clamp system Download PDFInfo
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- CN103170956B CN103170956B CN201210590108.1A CN201210590108A CN103170956B CN 103170956 B CN103170956 B CN 103170956B CN 201210590108 A CN201210590108 A CN 201210590108A CN 103170956 B CN103170956 B CN 103170956B
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Abstract
The invention provides a kind of annex clamp system, for accessory clamp being held in the work arbor flange of power tool, work arbor has the first longitudinal axis, and wherein, this annex clamp system comprises: at least one holder; The thrust component of propclip gripping member, thrust component and holder are driven along the first longitudinal axis by actuator; Elastic component, thrust component by elastic component by towards clamped position bias voltage; Driven unit, driven unit is used for making thrust component and holder along the first longitudinal axis, and this driven unit comprises actuator, and actuator moves between the first position and the second position, be positioned at clamped position at primary importance annex, be positioned at off-position at second place annex; Motion bridgeware, motion bridgeware drives holder to move along the direction being different from the first longitudinal axis.Present invention also offers a kind of power tool with this annex clamp system.
Description
Technical field
The present invention relates to a kind of clamp system, especially a kind of clamp system for being fixed to releasedly by annex on work arbor; The invention still further relates to a kind of power tool with this clamp system, especially a kind of power tool with annex being fixed to releasedly the clamp system on work arbor.
Background technology
There is the various power tool with annex clamp system in the market, wherein a kind of power tool with annex clamp system, comprise: the work arbor driving annex, between the retaining part that annex is fixed on the end in the face of instrument of work arbor and tightening member, tightening member is made to remove the mechanism moved between the off-position of tightening member and tightening member to prop up by retaining part clamped position by spring element from work arbor, tightening member comprises the clamp shaft that can be inserted in work arbor, clamp shaft remains in clamped position by the latch assembly in work arbor, and can be removed in off-position, latch assembly has the collar, clamping component can to remain in the recess of the collar and against the collar with moving radially, clamping component has the inclined surface coordinated with the inclined surface on the collar on the side of instrument, the collar is made to cause the shock towards center on clamping component against the athletic meeting of the inclined surface of clamping component, the operation principle of this power tool is that work arbor does oscillating motion around own axes, it comprises casing further, be arranged on the motor in casing, by motor-driven main shaft, main shaft has the eccentric part of a rotation and the setting of offset rotation axis, one shift fork is by main shaft drives and manipulation is connected on working cell, the provided at one of shift fork is connected on work arbor, the other end is formed with the fork of a pair branch and is stuck on the eccentric part on main shaft, work arbor and main shaft rotation generallyperpendicular, main shaft converts shift fork to around the rotation of rotation and moves along the pivot of work arbor thus work arbor moved and drives operate accessories.And after user is provided with different annexes on work arbor, multiple different operating function can be realized.Common annex comprises straight blade, saw blade, triangle frosted dish, scraper etc., can realize as work requirements such as sawing, cut, grind, scrape.
But, the annex clamp system of above-mentioned power tool, in dispose procedure, clamp shaft and annex must together remove by user, same, in clamping process, clamp shaft and annex also must together be clamped on work arbor by user, this method of clamping brings operational inconvenience, and in addition once user lost clamp shaft accidentally, then annex clamp system cannot carry out work, power tool with this annex clamp system also cannot work, also have this annex clamping mechanism structure complicated, required part is more, and cost costly.
In addition, also have a kind of power tool with this annex clamp system, it comprises the tool body that motor is housed; Comprise the clamp assembly of the first clamping component, it moves between closing position and release position relative to annex, annex is kept at closing position clamp assembly, departing from the first clamping component of release position clamp assembly and annex allows annex to remove from clamp assembly, and the first clamping component keeps connecting with clamp assembly simultaneously; There is the actuator of operation part, this actuator is attached to tool body between the first position and the second position movingly, in the close position at primary importance clamp assembly, cause clamp assembly to move to release position in the motion of the operation part of second place actuator.
But, when using this annex clamp system to carry out clamping annex, the shank of its annex must pass from work arbor, therefore the shank of its annex is provided with opening, thus realize clamping the annex of shank opening or discharging, it then cannot clamp or discharge the annex that shank is remained silent, and reduces the versatility of this annex clamp system.
Summary of the invention
In order to solve the defect existed in above-mentioned prior art, be necessary to provide that a kind of structure is simple, cost is lower and the annex clamp system that annex versatility is high and the power tool with this annex clamp system.
The invention provides a kind of annex clamp system, for accessory clamp being held in the work arbor of power tool, this work arbor has a spindle flanges and the first longitudinal axis, and wherein, this annex clamp system comprises: clamp flange; For the driven unit making this clamp flange move between off-position and clamped position, this driven unit comprises and is arranged on pivot on the housing of power tool and the actuator around this pivot pivotable between the first position and the second position, clamped position is positioned at this clamp flange of primary importance, this annex is clamped between spindle flanges and clamp flange, be positioned at off-position at this clamp flange of the second place, this annex can be removed between this spindle flanges and this clamp flange; The thrust component be connected with this clamp flange; First elastic component, this clamp flange is by this first elastic component by towards this clamped position bias voltage, and this pivot is between user's operating portion and this first longitudinal axis of actuator.
Further, this spindle flanges arranges tangible closing component structure, and this annex is provided with corresponding shape closing component structure, and this spindle flanges is connected in locking manner with this annex shape, so that can transmitting torque without relative rotation between annex and spindle flanges; This clamp flange is provided with the projection that multiple radial direction extends, and in clamped position, the surface conjunction of the upper surface of this annex and this spindle flanges, the surface conjunction of the lower surface of this annex and this projection, by method of clamping so, annex is clamped securely.
The scheme of another kind of transmitting torque is as follows: spindle flanges arranges tangible closing component structure, clamp flange arranges tangible closing component structure, annex is provided with corresponding shape closing component structure, in clamped position, the shape closing component structure of this spindle flanges and the shape closing component structure of this clamp flange all mate with the shape closing component structure of annex.This kind of scheme can realize the transmission of moment of torsion equally, and annex is clamped securely.
Wherein, in off-position, after this annex is rotated a predetermined angle, the angle that this predetermined angle is formed in a circumferential direction according to the shape closing component structure of the shape closing component structure of spindle flanges and the adjacent with it of clamp flange is determined, the shape closing component structure of this annex through this clamp flange, thus makes annex be removed between spindle flanges and clamp flange.
Further, this actuator also comprises the drive division relative with user's operating portion of this actuator, this thrust component is positioned at this work arbor, the drive division of this actuator drives this thrust component to carry out axially-movable along this first longitudinal axis, this actuator is arranged to lever form, can be laborsaving.
First elastic component is arranged on outside the work arbor of power tool, one end of this first elastic component is arranged on the step of work arbor, the other end is combined with the portion of being directed to of thrust component, setting so, first elastic component need not be placed in work arbor, makes the work arbor diameter of power tool relatively little.
Wherein, in off-position, this drive division and this thrust component depart from, and move together in the process of moving at the work arbor of power tool along with thrust component to prevent actuator.
This driven unit also comprises the second elastic component, user's operating portion of this actuator by this second elastic component by towards the direction bias voltage near this spindle flanges, the drive division of actuator by this second elastic component by towards the direction bias voltage away from this spindle flanges, drive division is departed from this thrust component in clamped position, in the motion process of the work arbor of power tool, under the effect of the second elastic component, this drive division and this thrust component depart from all the time, and can not rubbing towards causing drive division to contact to produce with thrust component near the motion of spindle flanges because of drive division, even this motion causes the inefficacy of actuator.
Present invention also offers a kind of power tool with annex clamp system as above, this power tool comprises: housing; Be contained in the motor in housing, this motor has driving shaft; The power source of power is provided to motor; Transmission mechanism, this transmission mechanism converts the rotary motion of motor to driving to work arbor.Power tool uses this annex clamp system, and this annex clamp system is contained in the housing of power tool compactly, and make annex by more firm clampingly, it is more convenient to operate.
Wherein power tool can be a kind of swing-type power tool, this motor has the second longitudinal axis, this first longitudinal axis and the second longitudinal axis are angularly arranged, this transmission mechanism converts the rotary motion of motor the swing of work arbor around himself axis to, this transmission mechanism comprises eccentric part and connector, this eccentric part is arranged on this driving shaft, and one end of this connector is connected with this eccentric part, and the other end is connected with this work arbor.
Described annex clamp system, without the need to arranging independent clamp shaft, simplifies clamping structure, owing to not needing independent clamp shaft and annex are together clamped and discharge, thus eliminates the hidden danger that user easily loses clamp shaft, has saved cost; The annex that shank is remained silent can also be clamped on the other hand, improve the versatility of this annex clamp system.
Accompanying drawing explanation
Fig. 1 is the floor map removed after half housing with the power tool of annex clamp system in first embodiment of the invention;
Fig. 2 removes floor map when power brick rear attachment clamp system is positioned at open position in Fig. 1;
Fig. 3 is the floor map of annex in first embodiment of the invention.
Fig. 4 is the floor map of the thrust component in the annex clamp system in Fig. 1;
Schematic perspective view when Fig. 5 is spindle flanges, annex and the clamp flange installation in another embodiment of the present invention;
Fig. 6 is the actuator of annex clamp system in Fig. 1 floor map when being positioned at open position;
Fig. 7 is the actuator of annex clamp system in Fig. 6 top view when being positioned at open position;
Fig. 8 is the floor map that the annex in Fig. 6 is placed between spindle flanges and clamp flange;
Fig. 9 is the floor map after the annex in Fig. 6 rotates a predetermined angle;
Figure 10 is that annex in Fig. 6 is by the top view rotated after a predetermined angle;
Figure 11 be the actuator of annex clamp system in Fig. 1 when being positioned at closing position annex by the floor map clamped;
Figure 12 is the actuator of annex clamp system in second embodiment of the invention floor map when being positioned at open position;
Figure 13 is the floor map that the annex in Figure 12 is placed between spindle flanges and holder;
Figure 14 is the actuator of annex clamp system in second embodiment of the invention floor map when being positioned at closing position.
Detailed description of the invention
As shown in Figure 1-2, a kind of power tool 1 with annex clamp system is disclosed in the first embodiment of the present invention, be described for swing-type power tool in the present embodiment, it will be understood by those skilled in the art that this annex clamp system also can be used for other power tools such as angle mill, sander, electric circular saw.Power tool 1 comprises housing 2, the power source 3 be connected with housing 2, is contained in motor 4 in housing 2 and driving shaft 5, transmission mechanism 6, work arbor 7 and annex clamp system 10.
Power source 3 provides power to motor 4, is understandable that power source 3 can be the power sources well-known to those skilled in the art such as power brick, AC power supplies, air compressor or portable power source.Driving shaft 5 is driven by motor 4, and can around its rotation Y(second longitudinal axis) rotate.Transmission mechanism 6 comprises eccentric part 61 and connector 62, eccentric part 61 has an axis biased with the rotation Y of driving shaft 5, connector 62 is driven by driving shaft 5 and handles and is connected on work arbor 7, work arbor 7 is supported by pair of bearings 8, connector 62 is arranged to the shape of shift fork, one end of shift fork is fixedly connected on work arbor 7, and the other end is formed with the fork of a pair branch and is stuck on eccentric part 61.Work arbor 7 has rotation X(first longitudinal axis generallyperpendicular with the rotation Y of driving shaft 5), be understandable that, the rotation Y of the driving shaft 5 and rotation X of work arbor 7 can be arranged in parallel, also can become the setting of other angle.Driving shaft 5 converts connector 62 to around the rotation of rotation Y and moves along the pivot of the rotation X of work arbor 7 thus work arbor 7 moved and drives annex 9 oscillating motion.That is, rotary motion is converted to the oscillating motion around himself axis X of work arbor 7 by motor 4 through transmission mechanism 6.
As in Figure 2-4, work arbor 7 comprises guide part 70, spindle flanges 71 and shape closing component structure 72.Spindle flanges 71 can be one-body molded with the shank of work arbor 7, also can arrange with the shank body of work arbor 7, wherein work arbor 7 shank and the transmission of spindle flanges 71 moment of torsion be connected.Shape closing component structure 72 extends multiple boss along the radial direction of the rotation X of work arbor 7, and preferably, shape locking mechanism is provided with 8 boss.Annex 9 comprises shank 90, step 91 and processing work region 92, and annex 9 has a longitudinal axis W.Shank 90 is preferably set to remain silent, step 91 has a vertically height, shank 90 is provided with corresponding shape closing component structure 93, preferably, shape closing component structure 93 be provided with 8 all can with the sealed groove be connected of shape closing component structure 72 shape of work arbor 7, be understandable that, groove on boss on spindle flanges 71 and annex 9 can be arranged as required, such as boss number is 4, groove number is 12 etc., these are well-known to those skilled in the art, certain shank 90 is set to opening, also can be clamped by this annex clamp system 10.Annex clamp system 10 comprises thrust component 13, and thrust component 13 comprises pin 130 and clamp flange 131.Pin 130 press-fits with the through hole interference being arranged on thrust component 13 one end, pin 130 is used for overcoming the elastic force of the first elastic component 14, be understandable that, thrust component 13 also can not arrange pin 130, and overcomes the elastic force of ground one elastic component 14 by the end of thrust component 13.Clamp flange 131 is set to the projection that multiple radial direction extends, and is understandable that, protruding number can be arranged as required.Annex 9 is clamped between spindle flanges 71 and clamp flange 131 by annex clamp system 10, protruding surface engages with the surface of annex, it will be understood by those skilled in the art that, annex also can be clamped by another embodiment, specifically see Fig. 5, the side relative with annex of spindle flanges 71 arranges tangible closing component structure 72, and preferably, shape closing component structure is 4 boss independently of one another.The shape locking mechanism 93 of annex 9 is preferably set to 8 grooves.Thrust component 13 also arranges tangible closing component structure 132, its preferably, be set to 4 outstanding.Wherein 4 grooves in the shape closing component structure 93 of annex are connected in locking manner with 4 boss shapes in the shape closing component structure of work arbor, and other 4 grooves in the shape closing component structure 93 of annex are connected in locking manner with 4 outstanding shapes of the shape closing component structure 132 of thrust component.After annex is clamped, itself and work arbor 7 together do oscillating motion, their hunting frequency can be set to about 10000-25000 time per minute, its pendulum angle can be set between about 0.5 ° and 7 °, by the oscillating motion of high frequency, annex 9 can carry out various operation to workpiece, after user is provided with different annexes on work arbor 7, can realize multiple different operating function.Common annex 9 comprises straight blade, saw blade, triangle frosted dish, scraper etc., can realize as work requirements such as sawing, cut, grind, scrape.Be understandable that, those skilled in the art also according to the demand of actual condition, can expand the annex using other function.
The structure of annex clamp system 10 and the specific operation process after being combined with power tool 1 by annex clamp system 10 will be described in detail in detail below.
As shown in Figure 6, the annex clamp system 10 disclosing first embodiment of the invention is combined with power tool 1, and annex clamp system 10 comprises driven unit (figure does not mark), thrust component 13, first elastic component 14.Wherein, the pivot 12 that driven unit comprises actuator 11 and is arranged on the housing 2 of power tool 1, actuator 11 is around pivot 12 pivotable between primary importance (closing position) and the second place (open position), in primary importance, clamp flange 131 is positioned at clamped position, and annex 9 is clamped between spindle flanges 71 and clamp flange 131, in the second place, clamp flange 131 is positioned at off-position, and annex 9 can be removed between spindle flanges 71 and clamp flange 131.Actuator 11 has user's operating portion 110 and drive division 111, user's operating portion 110 is positioned at one end of actuator 11, drive division 111 is positioned at the other end of actuator, both lay respectively at the both sides of pivot 12, for the ease of operation, pivot 12 is between user's operating portion 110 and the longitudinal axis X of work arbor.In order to can more operate labour-saving, user's operating portion 110 also can be arranged to stretch or folding structure, in the course of the work, user's operating portion 110 is stretched out or folds up, in annex dispose procedure, opened by user's operating portion 110, user can obtain the larger arm of force, thus more laborsaving.The drive division 111 of actuator 11 overcomes the first longitudinal axis X-motion of elastic force pressing thrust component 13 along work arbor 7 of the first elastic component 14.Elastic component 14 is arranged on outside work arbor 7, elastic component 14 preferably can be set to stage clip, its one end is arranged on spindle flanges 71, and the other end is arranged on the pin 130 radially extended of thrust component 13, and the other end of certain elastic component 14 also can be set directly on thrust component 13.Be understandable that, the first elastic component 15 also can be set to other component well known to those skilled in the art, as elastic caoutchouc, leaf spring etc., clamp flange 131 by this first elastic component 15 by towards clamped position bias voltage.Guide part 70 on work arbor 7 is arranged to groove, and it is used for the motion of thrust component 13 of leading, to guarantee that thrust component is along the first longitudinal axis X-motion.
Refer to Fig. 6-11, annex clamping process is as follows:
As shown in Figure 6, first user is held on user's operating portion 110 of actuator 11, and actuator is pressed into open position by the elastic force overcoming the first elastic component 14, and wherein the drive division 111 of actuator 11 is done and the rightabout motion of user's operating portion 110.Drive division 111 promotes thrust component 13 and moves downward along the first longitudinal axis X axis, the clamp flange 131 making the spindle flanges 71 of work arbor and thrust component 13 mutually away from, the shape closing component structure 93 of annex 9 aligns with clamp flange 131, with further reference to Fig. 7, the now longitudinal axis W of annex 9 and longitudinal axis 4 one-tenth one predetermined angle of motor, the angle that this predetermined angle is formed in a circumferential direction according to the projection adjacent with it of the boss of spindle flanges 71 and clamp flange 131 is determined, therefore according to the difference of boss with protruding number, can set out suitable arbitrarily angled.
As shown in Figure 8, actuator 11 is remained on open position by user, then by annex 9 along the direction of the first longitudinal axis through the boss of clamp flange 131 of thrust component 13, now, the groove of annex 9 is not corresponding with the lug boss position of spindle flanges 71, annex 9 is turned to direction as shown in Figure 9 along the direction of arrow of such as Fig. 7 by user, now the groove of annex 9 is corresponding with the lug boss position of spindle flanges 71, in order to the clear position that annex 9 is shown, please with further reference to Figure 10, now the longitudinal axis W of the annex 9 and longitudinal axis Y of motor is parallel, certainly, annex 9 also can rotate to other angle by user, make annex 9 can carry out operation with different angles.Finally, user and actuator 11 depart from, and actuator 11 returns to clamped position under the first elastic component 14 acts on, and now annex 9 is clamped between spindle flanges 71 and clamp flange 131.
When clamped position, the drive division of actuator 11 111 and thrust component 13 depart from, and move together in the process of moving at the work arbor 7 of power tool 1 along with thrust component 13 to prevent actuator 11.Driven unit also comprises the second elastic component 15, user's operating portion of actuator 11 by the second elastic component 15 by towards the direction bias voltage near this spindle flanges 71, the drive division 111 of actuator 11 by the second elastic component 15 by towards the direction bias voltage away from this spindle flanges 71, actuator 11 is departed from thrust component 13 in clamped position, in the motion process of the work arbor 7 of power tool 1, under the effect of the second elastic component, actuator 11 and thrust component 13 depart from all the time, and can not rubbing towards causing actuator 11 to contact to produce with thrust component 13 near the motion of spindle flanges 71 because of drive division 111, even this motion causes the inefficacy of actuator.
The clamping process of dispose procedure then with above-mentioned of annex is contrary.
As shown in figs. 12-14, the power tool 1 ' with annex clamp system 10 ' in second embodiment of the invention is shown.The transmission mechanism of the power tool in the present embodiment and operation principle identical with the swing-type power tool in the first embodiment, do not repeat them here.Concrete structure with the power tool 1 ' of annex clamp system 10 ' and operating process hereafter will be described in detail in detail.
Annex clamp system 10 ' comprises driven unit, thrust component 13 ', the first elastic component 14 ', at least one holder 15 ' and motion bridgeware 16 ', and wherein driven unit comprises actuator 11 ' and cam 12 '.Work arbor 7 ' comprises guide part 70 ', spindle flanges 71 ' and shape closing component structure 72 ', and work arbor 7 ' also has the first axial axis X '.Actuator 11 ' rotates between primary importance (closing position) and the second place (open position) around the first longitudinal axis X '.In primary importance, annex 9 ' is positioned at clamped position, and is clamped between spindle flanges 71 ' and holder 15 '; In the second place, annex 9 ' is positioned at off-position, and it can take out between spindle flanges 71 ' and holder 15 '.In the process that actuator 11 ' rotates between the first position and the second position, the active force that user overcomes the first elastic component 14 ' acts on actuator 11 ', actuator 11 ' can move downward with the axial direction of moving cam 12 ' along the first longitudinal axis X ', thus thrust component 13 ' also can be moved downward along the axial direction of the first longitudinal axis X '.Be understandable that, actuator 11 ' also can be arranged to around with the first longitudinal axis X ' angled direction pivotable, such as actuator 11 ' is around the direction pivotable perpendicular to the first longitudinal axis X '.One end of thrust component 13 ' is provided with two protuberances 130 ' extended along the direction perpendicular to the first longitudinal axis, and the other end supports at least one clamping element 15 '.Work arbor 7 ' is provided with the first guide part 70 ', preferably the first guide part 70 ' is arranged to two grooves, at least part of protuberance 130 ' is contained in groove, to guarantee that thrust component 13 ' to move downward and protuberance 130 ' is prohibited relative to the rotation of work arbor 7 ' around the first longitudinal axis X ' along the axial direction of the first longitudinal axis X ' all the time.One end and this protuberance 130 ' of the first elastic component 14 ' combine, the other end is combined with the inner surface of spindle flanges 71 ', first elastic component 14 ' is preferably set to stage clip, certainly as above, also can be set to the component that other realizes bias voltage, it is towards clamped position bias voltage thrust component 13 '.Motion bridgeware 16 ' extends along the first longitudinal axis X ', its one end is connected on actuator 11 ', it also can be connected on the housing 2 ' of power tool 1 ', its other end is provided with taper seat (figure does not mark), and motion bridgeware 16 ' is also provided with and is combined and the second guide part 160 ' led to thrust component 13 ' with the inner surface of thrust component 13 '.Thrust component 13 ' is also provided with the 3rd guide part 131 ', preferably be arranged to groove, at least one clamping element 15 ' is contained in the 3rd guide part 131 ' at least in part and is led by the 3rd guide part 131 ', 3rd guide part 131 ' can also prevent at least clamping element 15 ' from wherein departing from, preferably, it is by being arranged to the diameter groove less than the diameter of inner end in the outer end of the 3rd guide part 131 ', the groove of inner end can make clamping element be free to slide, and the groove of outer end then can prevent clamping element and the 3rd guide part 131 ' from departing from completely.Motion bridgeware 16 ' can convert at least one clamping element 15 ' and the motion of the axial direction along the first longitudinal axis X ' of thrust component 13 ' at least one clamping element 15 ' move along the direction being different from the first longitudinal axis X ', preferably, at least one clamping element 15 ' can move along the direction perpendicular to the first longitudinal axis X '.Be understandable that, as long as the longitudinal axis (not shown) of the 3rd guide part 131 ' is arranged to become different angles with the first longitudinal axis, such as 60 °, 90 ° etc., just can realize at least one clamping element 15 ' along the angularly motion with the first longitudinal axis X '.Clamping element 15 ', preferably, is arranged to three steel balls.Be provided with the groove holding these three steel balls respectively at thrust component 13 ', taper seat and this three steel balls of motion bridgeware 16 ' are combined.Be understandable that, clamping element 15 ' also can be arranged to the component of slide block or other and annex 9 ' surface conjunction, and the number of clamping element 15 ' also can be arranged to other number as required, such as, be arranged to 2 or 4.At least major part, first elastic component 14 ' of thrust component 13 ' are all contained in work arbor 7 ' with at least major part of motion bridgeware, and annex 9 ' and clamping element 15 ' are all contained in outside work arbor 7 '.
The actuator 11 ' that Figure 12 shows annex clamp system 10 ' is positioned at open position, and now, at least one clamping element 15 ' is retracted in the groove of thrust component 13 '.Then by annex 9 ' according to the direction of arrow shown in Figure 13, be placed between clamping element 15 ' and spindle flanges 71 ' by annex 9 ', the shape closing component structure 93 ' of annex 9 ' is connected in locking manner with the shape closing component structure 72 ' shape of work arbor 7 '.Then actuator 11 ' is turned back closing position, now, thrust component 13 ' and clamping element 15 ' move upward along the axis of the first longitudinal axis X ' under the effect of the first elastic component 14 ', return to the clamped position be clamped in by annex 9 ' between spindle flanges 71 ' and clamping element 15 ', annex 9 ' is firmly clamped.
The clamping process of dispose procedure then with above-mentioned of annex is contrary.
Disclosed annex clamp system and be not limited to the structure representated by the content described in above embodiment and accompanying drawing with the power tool of this annex clamp system.The apparent change that basis of the present invention is done the shape of wherein component and position, to substitute or amendment, all within the scope of protection of present invention.
Claims (8)
1. an annex clamp system, for accessory clamp being held in the work arbor of power tool, described work arbor has a spindle flanges and the first longitudinal axis, and described annex clamp system comprises: clamp flange, for the driven unit making described clamp flange move between off-position and clamped position, described driven unit comprises and is arranged on pivot on the housing of power tool and the actuator around described pivot pivotable between the first position and the second position, described actuator has user's operating portion, described user operating position is in one end of actuator, described in primary importance, clamp flange is positioned at clamped position, described annex can be clamped between spindle flanges and clamp flange, described in the second place, clamp flange is positioned at off-position, described annex can be removed between described spindle flanges and described clamp flange, the thrust component be connected with described clamp flange, first elastic component, described clamp flange, be is characterized in that: described pivot is between user's operating portion and described first longitudinal axis of actuator by towards described clamped position bias voltage by described first elastic component, described spindle flanges arranges tangible closing component structure, and described annex is provided with corresponding shape closing component structure, and described spindle flanges is connected in locking manner with described annex shape, described annex also comprises an opening, and shape closing component structure and the described opening of described annex are through, and described annex can make described clamp flange along described first longitudinal axis direction by described opening, described clamp flange is provided with the projection that multiple radial direction extends, at clamped position, and the upper surface of described annex and the surface conjunction of described spindle flanges, the lower surface of described annex and the surface conjunction of described projection, in described off-position, after described annex is rotated a predetermined angle, the shape closing component structure of described annex is through described projection.
2. annex clamp system according to claim 1, is characterized in that: described clamp flange arranges tangible closing component structure, and when described clamped position, the shape closing component structure of described clamp flange mates with the shape closing component structure of described annex.
3. annex clamp system according to claim 1, it is characterized in that: described actuator also comprises the drive division relative with user's operating portion of described actuator, described thrust component is positioned at described work arbor, and the drive division of described actuator can drive described thrust component to carry out axially-movable along described first longitudinal axis.
4. annex clamp system according to claim 3, is characterized in that: described first elastic component is arranged on outside described work arbor, and one end of described first elastic component is arranged on the step of work arbor, and the other end is combined with thrust component.
5. annex clamp system according to claim 3, is characterized in that: at described clamped position, described drive division and described thrust component depart from.
6. annex clamp system according to claim 3, is characterized in that: described driven unit also comprises the second elastic component, user's operating portion of described actuator by described second elastic component by towards the direction bias voltage near described spindle flanges.
7. a power tool, comprising: housing; Be contained in the motor in housing, described motor has driving shaft; The power source of power is provided to motor; Work arbor, described work arbor has a spindle flanges and the first longitudinal axis; Transmission mechanism, described transmission mechanism converts the rotary motion of the driving shaft of motor to driving to work arbor; And annex clamp system; It is characterized in that: described annex clamp system is for being held in work arbor by accessory clamp, and described annex clamp system comprises: clamp flange; For the driven unit making described clamp flange move between off-position and clamped position, described driven unit comprises and is arranged on pivot on the housing of power tool and the actuator around described pivot pivotable between the first position and the second position, described in primary importance, clamp flange is positioned at clamped position, described annex can be clamped between spindle flanges and clamp flange, described in the second place, clamp flange is positioned at off-position, and described annex can take out between described spindle flanges and described clamp flange; The thrust component be connected with described clamp flange; First elastic component, described clamp flange is by described first elastic component by towards described clamped position bias voltage, and described pivot is between user's operation part and described first longitudinal axis of actuator; Described spindle flanges arranges tangible closing component structure, and described annex is provided with corresponding shape closing component structure, and described spindle flanges is connected in locking manner with described annex shape; Described annex also comprises an opening, and shape closing component structure and the described opening of described annex are through, and described annex can make described clamp flange along described first longitudinal axis direction by described opening; Described clamp flange is provided with the projection that multiple radial direction extends, at clamped position, and the upper surface of described annex and the surface conjunction of described spindle flanges, the lower surface of described annex and the surface conjunction of described projection; In described off-position, after described annex is rotated a predetermined angle, the shape closing component structure of described annex is through described projection.
8. power tool according to claim 7, it is characterized in that: described motor has the second longitudinal axis, described first longitudinal axis and the second longitudinal axis are angularly arranged, described transmission mechanism converts the rotary motion of motor the swing of work arbor around himself axis to, described transmission mechanism comprises eccentric part and connector, described eccentric part is arranged on described driving shaft, and one end of described connector is connected with described eccentric part, and the other end is connected with described work arbor.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210590108.1A CN103170956B (en) | 2012-12-29 | 2012-12-29 | Annex clamp system and the power tool with this annex clamp system |
| US13/962,447 US9339927B2 (en) | 2012-12-29 | 2013-08-08 | Accessory clamping mechanism and power tool having the same |
| DE202013104204U DE202013104204U1 (en) | 2012-12-29 | 2013-09-16 | An accessory tensioning mechanism and power tool having the same |
| FR1361093A FR3000418B3 (en) | 2012-12-29 | 2013-11-14 | MECHANISM FOR ATTACHING ACCESSORIES AND ELECTRIC TOOL EQUIPPED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210590108.1A CN103170956B (en) | 2012-12-29 | 2012-12-29 | Annex clamp system and the power tool with this annex clamp system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103170956A CN103170956A (en) | 2013-06-26 |
| CN103170956B true CN103170956B (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210590108.1A Active CN103170956B (en) | 2012-12-29 | 2012-12-29 | Annex clamp system and the power tool with this annex clamp system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9339927B2 (en) | 2012-12-29 | 2016-05-17 | Chervon (Hk) Limited | Accessory clamping mechanism and power tool having the same |
| US20200338686A1 (en) * | 2017-08-04 | 2020-10-29 | Positec Power Tools (Suzhou) Co., Ltd. | Grinding tool, and main component and grinding component thereof |
| CN112847259B (en) * | 2019-11-26 | 2022-12-06 | 苏州宝时得电动工具有限公司 | Power tool and clamping device thereof |
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| CN202592349U (en) * | 2011-03-10 | 2012-12-12 | 布莱克和戴克公司 | Clamping device |
| CN203092512U (en) * | 2012-12-29 | 2013-07-31 | 南京德朔实业有限公司 | Attachment clamping mechanism and power tool with attachment clamping mechanism |
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| DE10124971B4 (en) * | 2001-05-21 | 2013-06-20 | Hilti Aktiengesellschaft | Quick clamping device for a circular saw |
| DE102011075228A1 (en) * | 2011-05-04 | 2012-11-08 | Robert Bosch Gmbh | Tool clamping device |
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| CN101347936A (en) * | 2007-07-19 | 2009-01-21 | C.&E.泛音有限公司 | Power-driven hand tool |
| EP2213416A2 (en) * | 2009-01-29 | 2010-08-04 | C. & E. Fein GmbH | Hand-held power tool with tensioning device for a tool |
| CN201736205U (en) * | 2010-07-12 | 2011-02-09 | 苏州宝时得电动工具有限公司 | Power tool |
| CN202592349U (en) * | 2011-03-10 | 2012-12-12 | 布莱克和戴克公司 | Clamping device |
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| CN103170956A (en) | 2013-06-26 |
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