CN103170956A - Accessory clamping mechanism and power tool with same - Google Patents
Accessory clamping mechanism and power tool with same Download PDFInfo
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- CN103170956A CN103170956A CN2012105901081A CN201210590108A CN103170956A CN 103170956 A CN103170956 A CN 103170956A CN 2012105901081 A CN2012105901081 A CN 2012105901081A CN 201210590108 A CN201210590108 A CN 201210590108A CN 103170956 A CN103170956 A CN 103170956A
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Abstract
The invention provides an accessory clamping mechanism which is used for clamping an accessory on a working arbor flange of a power tool, and a working arbor is provided with a first longitudinal axis. The accessory clamping mechanism comprises at least one clamping piece, a push component, an elastic piece, a driving component and a motion conversion piece. The push component supports the clamping piece, and the push component and the clamping piece are driven by a driving piece to move along the first longitudinal axis. The push component is pressed towards a clamping position through the elastic piece. The driving component is used for enabling the push component and the clamping piece to move along the first longitudinal axis, the driving component comprises the driving piece, and the driving piece moves between a first position and a second position. On the first position, an accessory is arranged on the clamping position. On the second position, the accessory is arranged on a releasing position. The motion conversion piece drives the clamping piece to move along a direction different from the first longitudinal axis. The invention further provides a power tool with the accessory clamping mechanism.
Description
Technical field
The present invention relates to a kind of clamp mechanism, especially a kind of clamp mechanism for annex being fixed to releasedly on work arbor; The invention still further relates to a kind of power tool with this clamp mechanism, especially a kind of with annex being fixed to releasedly the power tool of the clamp mechanism on work arbor.
Background technology
various power tools with the annex clamp mechanism are arranged in the market, a kind of power tool with the annex clamp mechanism wherein, comprise: drive the work arbor of annex, annex is fixed between the retaining part and tightening member in the face of the end of instrument of work arbor, the mechanism that tightening member is moved the off-position that removes tightening member from work arbor and tightening member prop up clamped position by retaining part by spring element between, 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 the off-position, latch assembly has the collar, clamping component can remain in the recess of the collar and against the collar with moving radially, clamping component has the inclined surface that coordinates with inclined surface on the collar on a side of instrument, make the collar cause the shock on clamping component towards the center against the athletic meeting of the inclined surface of clamping component, to be work arbor do oscillating motion around self axis to the operation principle of this power tool, it further comprises casing, 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 connected on the working cell by main shaft drives and manipulation, one end pivoting of shift fork is connected on work arbor, the other end is formed with the fork of a pair of branch and is stuck on eccentric part on main shaft, work arbor is vertical substantially with the main shaft rotation, thereby main shaft converts shift fork to around the rotation of rotation and moves along the pivot of work arbor and make work arbor move and drive annex work.And as the user after different annexes is installed on work arbor, can realize multiple different operating function.Common annex comprises straight blade, saw blade, triangle frosted dish, scraper etc., can realize as work requirements such as sawing, cut, grind, scrape.
Yet, the annex clamp mechanism of above-mentioned power tool, in dispose procedure, the user must together remove clamp shaft and annex, same, in clamping process, the user also must together be clamped in clamp shaft and annex on work arbor, this method of clamping has brought operational inconvenience, in case the user has lost clamp shaft accidentally in addition, the annex clamp mechanism can't be carried out work, power tool with this annex clamp mechanism also can't be worked, also have this annex to clamp mechanism structure complicated, required part is more, and cost is comparatively expensive.
In addition, also have a kind of power tool with this annex clamp mechanism, it comprises the tool body that motor is housed; The clamp assembly that comprises the first clamping component, it moves between closing position and release position with respect to annex, keep annex at the closing position clamp assembly, depart from allowing annex to remove from clamp assembly at the first clamping component of release position clamp assembly and annex, the first clamping component keeps connecting with clamp assembly simultaneously; Actuator with operation part, this actuator is attached to tool body movingly between primary importance and the second place, be in the close position at the primary importance clamp assembly, cause clamp assembly to move to the release position in the motion of the operation part of second place actuator.
Yet, when using this annex clamp mechanism to carry out the clamping annex, the shank of its annex must pass from work arbor, therefore the shank of its annex is provided with opening, thereby realize the annex of shank opening is carried out clamping or release, its annex that shank is remained silent can't carry out clamping or release, has reduced the versatility of this annex clamp mechanism.
Summary of the invention
In order to solve the defective that exists in above-mentioned prior art, be necessary to provide a kind of simple in structure, cost is lower and the annex versatility is high annex clamp mechanism and with the power tool of this annex clamp mechanism.
The invention provides a kind of annex clamp mechanism, be used for accessory clamp is held in the work arbor of power tool, this work arbor has an axle flange and the first longitudinal axis, and wherein, this annex clamp mechanism comprises: clamp flange; For the driven unit that this clamp flange is moved between off-position and clamped position, this driven unit comprise on the housing that is arranged on power tool pivot and around the actuator of this pivot pivotable between primary importance and the second place, be positioned at clamped position at this clamp flange of primary importance, this annex is clamped between axle flange and clamp flange, be positioned at the off-position at this clamp flange of the second place, this annex can be removed between this axle flange and this clamp flange; The thrust component that is connected with this clamp flange; The first elastic component, this clamp flange are by this first elastic component and by towards this clamped position bias voltage, this pivot is between user's operating portion and this first longitudinal axis of actuator.
Further, this axle flange arranges tangible closing component structure, and this annex is provided with corresponding shape closing component structure, and this axle flange connects in locking manner with this annex shape, so that can be without relatively rotating the ground transmitting torque between annex and axle flange; This clamp flange is provided with a plurality of projections of radially extending, in clamped position, and the surface conjunction of the upper surface of this annex and this axle flange, the lower surface of this annex and this protruding surface conjunction, by method of clamping so, annex is by clamping securely.
The scheme of another kind of transmitting torque is as follows: the axle flange 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 axle flange and the shape closing component structure of this clamp flange all mate with the shape closing component structure of annex.This kind scheme can realize transfer of torque equally, and annex is by clamping securely.
Wherein, in the off-position, after this annex is rotated a predetermined angle, this predetermined angle is determined according to the angle that the adjacent shape closing component structure with it of the shape closing component structure of axle flange and clamp flange forms in a circumferential direction, the shape closing component structure of this annex passes this clamp flange, thereby makes annex be removed between axle flange 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 and carries out axially-movable along this first longitudinal axis, this actuator is arranged to the lever form, can be laborsaving.
The 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 section of being directed to of thrust component, so arrange, the first elastic component needn't be placed in work arbor, makes the work arbor diameter less of power tool.
Wherein, in the off-position, this drive division and this thrust component break away from, to prevent that actuator is along with thrust component motion together in the process of the work arbor motion of power tool.
this driven unit also comprises the second elastic component, user's operating portion of this actuator is by this second elastic component and by the direction bias voltage towards close this axle flange, the drive division of actuator is by this second elastic component and by towards the direction bias voltage away from this axle flange, make drive division break away 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 break away from all the time, do not produce friction and can not cause drive division to contact with thrust component because of the motion towards near the axle flange of drive division, even this motion causes the inefficacy of actuator.
The present invention also provides a kind of power tool with annex clamp mechanism as above, and 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 rotatablely moving of motor to work arbor driving.Use this annex clamp mechanism on power tool, this annex clamp mechanism is contained in the housing of power tool compactly, makes annex be held ground more firm, and 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 angularly arrange, this transmission mechanism converts rotatablely moving of motor to work arbor around the swing of himself axis, this transmission mechanism comprises eccentric part and connector, this eccentric part is arranged on this driving shaft, and an end of this connector is connected with this eccentric part, and the other end is connected with this work arbor.
Described annex clamp mechanism need not independent clamp shaft is set, and has simplified clamping structure, owing to not needing independent clamp shaft and annex together clamped and discharge, thereby has eliminated the hidden danger that the user easily loses clamp shaft, has saved cost; Can also carry out clamping to the annex that shank is remained silent on the other hand, improve the versatility of this annex clamp mechanism.
Description of drawings
Fig. 1 is with the floor map after half housing removed of the power tool of annex clamp mechanism in first embodiment of the invention;
Fig. 2 is the floor map when removing power brick rear attachment clamp mechanism in Fig. 1 and being positioned at open position;
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 annex clamp mechanism in Fig. 1;
Fig. 5 is axle flange, annex in another embodiment of the present invention and the clamp flange schematic perspective view when installing;
Fig. 6 is the floor map of the actuator of the annex clamp mechanism in Fig. 1 when being positioned at open position;
Fig. 7 is the top view of the actuator of the annex clamp mechanism in Fig. 6 when being positioned at open position;
Fig. 8 is that the annex in Fig. 6 is placed in the floor map between axle flange and clamp flange;
Fig. 9 is the floor map after the annex in Fig. 6 rotates a predetermined angle;
Figure 10 is the top view after the annex in Fig. 6 is rotated a predetermined angle;
Figure 11 is the actuator of the annex clamp mechanism in Fig. 1 floor map that annex is held when being positioned at closing position;
Figure 12 is the floor map of the actuator of annex clamp mechanism in second embodiment of the invention when being positioned at open position;
Figure 13 is that the annex in Figure 12 is placed in the floor map between axle flange and holder;
Figure 14 is the floor map of the actuator of annex clamp mechanism in second embodiment of the invention when being positioned at closing position.
The specific embodiment
As shown in Fig. 1-2, a kind of power tool 1 with the annex clamp mechanism is disclosed in the first embodiment of the present invention, describe as an example of swing-type power tool example in the present embodiment, it will be understood by those skilled in the art that this annex clamp mechanism 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 that is connected with housing 2, is contained in motor 4 and driving shaft 5, transmission mechanism 6, work arbor 7 and annex clamp mechanism 10 in housing 2.
Power source 3 provides power for 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 be around its rotation Y(the second longitudinal axis) rotation.Transmission mechanism 6 comprises eccentric part 61 and connector 62, eccentric part 61 has an axis with the rotation Y of driving shaft 5 biasing, connector 62 is driven and is handled by driving shaft 5 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 of branch and is stuck on eccentric part 61.Work arbor 7 has vertical rotation X(the first longitudinal axis substantially with the rotation Y of driving shaft 5), be understandable that, the rotation Y of driving shaft 5 and the rotation X of work arbor 7 can be arranged in parallel, also can become the setting of other angle.Thereby 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 and make work arbor 7 move and drive annex 9 oscillating motions.That is to say, motor 4 will rotatablely move through transmission mechanism 6 and convert the oscillating motion around himself axis X of work arbor 7 to.
As shown in Fig. 2-4, work arbor 7 comprises guide part 70, axle flange 71 and shape closing component structure 72.Axle flange 71 can be one-body molded with the shank of work arbor 7, also can arrange with the shank body of work arbor 7, and wherein the shank of work arbor 7 and axle flange 71 moment of torsion transmission ground are connected.Shape closing component structure 72 extends a plurality of boss along the radial direction of the rotation X of work arbor 7, and preferably, the shape locking mechanism is provided with 8 boss.Annex 9 comprises shank 90, step 91 and processing work zone 92, and annex 9 has a longitudinal axis W.Shank 90 preferably is set to remain silent, step 91 has a vertically height, be provided with corresponding shape closing component structure 93 on shank 90, preferably, shape closing component structure 93 be provided with 8 all can with the sealed groove that is connected of shape closing component structure 72 shapes of work arbor 7, be understandable that, groove on boss on axle flange 71 and annex 9 can arrange as required, be that 4, groove number are 12 etc. such as the boss number, these are well-known to those skilled in the art, certainly shank 90 is set to opening, also can be by 10 clampings of this annex clamp mechanism.Annex clamp mechanism 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 that is arranged on thrust component 13 1 ends, 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 is overcome the elastic force of ground one elastic component 14 by the end of thrust component 13.Clamp flange 131 is set to a plurality of projections of radially extending, and is understandable that, the number of projection can arrange as required.Annex 9 is clamped between axle flange 71 and clamp flange 131 by annex clamp mechanism 10, the surface of projection and the surface engagement of annex, it will be understood by those skilled in the art that, annex also can be held by another embodiment, specifically referring to Fig. 5, a side relative with annex of axle flange 71 arranges tangible closing component structure 72, and preferably, the shape closing component structure is 4 boss independently of one another.The shape locking mechanism 93 of annex 9 preferably is 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 held, itself and work arbor 7 are together done oscillating motion, their hunting frequency can be set to approximately 10000-25000 time per minute, its pendulum angle can be set to approximately between 0.5 ° and 7 °, oscillating motion by high frequency, annex 9 can carry out various operations to workpiece, after on work arbor 7, different annexes being installed, can realize multiple different operating function as the user.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 can according to the demand of actual condition, expand the annex that uses other function.
The below will describe in detail annex clamp mechanism 10 structure and with annex clamp mechanism 10 and power tool 1 in conjunction with after specific operation process.
As shown in Figure 6, disclosed the annex clamp mechanism 10 and power tool 1 combination of first embodiment of the invention, annex clamp mechanism 10 comprises driven unit (figure is mark not), thrust component 13, the first elastic component 14.Wherein, driven unit comprises actuator 11 and is arranged on pivot 12 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 axle flange 71 and clamp flange 131, in the second place, clamp flange 131 is positioned at the off-position, and annex 9 can be removed between axle flange 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 an 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 the longitudinal axis X of user's operating portion 110 and work arbor.For labour-saving more operates, 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 the annex dispose procedure, user's operating portion 110 is opened, and the user can obtain the larger arm of force, thereby more laborsaving.The drive division 111 of actuator 11 overcomes the elastic force of the first elastic component 14 and presses thrust component 13 along the first longitudinal axis X-motion of work arbor 7.Elastic component 14 is arranged on outside work arbor 7, elastic component 14 preferably can be set to stage clip, the one end is arranged on axle flange 71, the other end be arranged on thrust component 13 on the pin 130 that radially extends, the other end of elastic component 14 also can be set directly on thrust component 13 certainly.Be understandable that, the first elastic component 15 also can be set to other member well known to those skilled in the art, and as elastic caoutchouc, leaf spring etc., clamp flange 131 is by this first elastic component 15 and by towards the clamped position bias voltage.Guide part 70 on work arbor 7 is arranged to groove, and the motion of its thrust component 13 that is used for leading is to guarantee that thrust component is along the first longitudinal axis X-motion.
See also Fig. 6-11, the annex clamping process is as follows:
As shown in Figure 6, at first the user is held on user's operating portion 110 of actuator 11, and the elastic force that overcomes the first elastic component 14 is pressed into open position with actuator, 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 axle flange 71 that makes work arbor and the clamp flange 131 of thrust component 13 mutually away from, the shape closing component structure 93 of annex 9 aligns with clamp flange 131, further referring to Fig. 7, this moment annex 94 one-tenth one predetermined angle of longitudinal axis of longitudinal axis W and motor, this predetermined angle is determined according to the angle that the adjacent projection with it of the boss of axle flange 71 and clamp flange 131 forms in a circumferential direction, therefore according to the difference of boss with the number of projection, can set out suitable arbitrarily angled.
as shown in Figure 8, the user remains on open position with actuator 11, then annex 9 is passed the boss of the clamp flange 131 of thrust component 13 along the direction of the first longitudinal axis, at this moment, the groove of annex 9 is not corresponding with the lug boss position of axle flange 71, the user turns to as shown in Figure 9 direction with annex 9 along the direction of arrow as Fig. 7, this moment, the groove of annex 9 was corresponding with the lug boss position of axle flange 71, for the clear position that annex 9 is shown, please further referring to Figure 10, this moment, the longitudinal axis W of annex 9 was parallel with the longitudinal axis Y of motor, certainly, the user also can be with annex 9 rotations to other angle, make annex 9 to carry out operation with different angles.At last, user and actuator 11 break away from, and actuator 11 returns to clamped position under the first elastic component 14 effects, and this moment, annex 9 was clamped between axle flange 71 and clamp flange 131.
When clamped position, the drive division 111 of actuator 11 breaks away from thrust component 13, to prevent that actuator 11 is along with thrust component 13 motion together in the process of work arbor 7 motions of power tool 1.driven unit also comprises the second elastic component 15, user's operating portion of actuator 11 is by the second elastic component 15 and by the direction bias voltage towards close this axle flange 71, the drive division 111 of actuator 11 is by the second elastic component 15 and by towards the direction bias voltage away from this axle flange 71, make actuator 11 break away 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 breaks away from all the time with thrust component 13, do not produce friction and can not cause actuator 11 to contact with thrust component 13 because of the motion towards near axle flange 71 of drive division 111, even this motion causes the inefficacy of actuator.
The dispose procedure of the annex clamping process with above-mentioned is opposite.
As shown in Figure 12-14, show the power tool 1 ' with annex clamp mechanism 10 ' in second embodiment of the invention.The transmission mechanism of the power tool in the present embodiment and operation principle are identical with swing-type power tool in the first embodiment, do not repeat them here.Concrete structure and operating process with the power tool 1 ' of annex clamp mechanism 10 ' hereinafter will be described in detail in detail.
Annex clamp mechanism 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 ', axle flange 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 axle flange 71 ' and holder 15 '; In the second place, annex 9 ' is positioned at the off-position, and it can be from taking out between axle flange 71 ' and holder 15 '.In the process that actuator 11 ' rotates between primary importance and the second place, the active force that the 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 ', thereby makes thrust component 13 ' also can move 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 angled direction pivotable of longitudinal axis X ', for example 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 ' that extend along perpendicular to the direction of the first longitudinal axis, and the other end is supporting 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, moves downward and protuberance 130 ' is under an embargo with respect 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 to guarantee thrust component 13 '.One end of the first elastic component 14 ' and the 130 ' combination of this protuberance, the other end is combined with the inner surface of axle flange 71 ', the first elastic component 14 ' preferably is set to stage clip, certainly as above, also can be set to the member 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 ', the 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 mark), and motion bridgeware 16 ' also is provided with second guide part 160 ' of being combined with the inner surface of thrust component 13 ' and thrust component 13 ' being led.Thrust component 13 ' also is provided with the 3rd guide part 131 ', preferably be arranged to groove, at least one clamping element 15 ' is contained at least in part the 3rd guide part 131 ' and is led by the 3rd guide part 131 ', the 3rd guide part 131 ' can also prevent that clamping element 15 ' is from wherein breaking away from least, 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 can prevent that clamping element and the 3rd guide part 131 ' break away from fully.Motion bridgeware 16 ' motion along the axial direction of the first longitudinal axis X ' of at least one clamping element 15 ' and thrust component 13 ' can be converted at least one clamping element 15 ' along the direction motion that is different from the first longitudinal axis X ', preferably, at least one clamping element 15 ' can be along the direction motion 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 with the angularly motion of the first longitudinal axis X '.Clamping element 15 ' preferably, is arranged to three steel balls.Be provided with the groove that holds respectively these three steel balls at thrust component 13 ', three steel balls of the taper seat of motion bridgeware 16 ' and this are combined.Be understandable that, clamping element 15 ' also can be arranged to the member 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, for example is arranged to 2 or 4.At least the major part of the major part at least of thrust component 13 ', the first elastic component 14 ' and motion bridgeware all is contained in work arbor 7 ', and annex 9 ' and clamping element 15 ' all are contained in outside work arbor 7 '.
The actuator 11 ' that Figure 12 shows annex clamp mechanism 10 ' is positioned at open position, and at this moment, at least one clamping element 15 ' is retracted in the groove of thrust component 13 '.Then with annex 9 ' according to the direction of arrow shown in Figure 13, annex 9 ' is placed between clamping element 15 ' and axle flange 71 ', 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, at this moment, thrust component 13 ' and clamping element 15 ' axially moving upward along the first longitudinal axis X ' under the effect of the first elastic component 14 ', return to annex 9 ' is clamped in clamped position between axle flange 71 ' and clamping element 15 ', make annex 9 ' by firmly clamping.
The dispose procedure of the annex clamping process with above-mentioned is opposite.
Disclosed annex clamp mechanism reaches the structure that is not limited to the content described in above embodiment and accompanying drawing representative with the power tool of this annex clamp mechanism.On basis of the present invention to the shape of member wherein and apparent change that the position is done, substitute or revise, all within the scope of protection of present invention.
Claims (10)
1. annex clamp mechanism is used for accessory clamp is held in the work arbor of power tool, and described work arbor has an axle flange and the first longitudinal axis, and described annex clamp mechanism comprises: clamp flange, for the driven unit that described clamp flange is moved between off-position and clamped position, described driven unit comprise on the housing that is arranged on power tool pivot and around the actuator of described pivot pivotable between primary importance and the second place, described actuator has user's operating portion, described user operating position is in an end of actuator, be positioned at clamped position at the described clamp flange of primary importance, described annex can be clamped between axle flange and clamp flange, be positioned at the off-position at the described clamp flange of the second place, described annex can be removed between described axle flange and described clamp flange, the thrust component that is connected with described clamp flange, the first elastic component, described clamp flange are by described the first elastic component and by towards described clamped position bias voltage, it is characterized in that: described pivot is between user's operating portion and described the first longitudinal axis of actuator.
2. annex clamp mechanism according to claim 1, it is characterized in that: described axle flange arranges tangible closing component structure, described annex is provided with corresponding shape closing component structure, described axle flange be connected annex shape and connect in locking manner; Described clamp flange is provided with a plurality of projections of radially extending, at clamped position, and the surface conjunction of the upper surface of described annex and described axle flange, the lower surface of described annex and the surface conjunction of described projection.
3. annex clamp mechanism according to claim 1, it is characterized in that: described axle flange arranges tangible closing component structure, described clamp flange arranges tangible closing component structure, described annex is provided with corresponding shape closing component structure, when described clamped position, the shape closing component structure of described axle flange and the shape closing component structure of described clamp flange all with the shape closing component structure of described annex coupling.
4. annex clamp mechanism according to claim 2, it is characterized in that: in described off-position, after described annex was rotated a predetermined angle, the shape closing component structure of described annex passed described projection.
5. annex clamp mechanism 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 and carry out axially-movable along described the first longitudinal axis.
6. annex clamp mechanism according to claim 5, it is characterized in that: described the first elastic component is arranged on outside described work arbor, and an end of described the first elastic component is arranged on the step of work arbor, and the other end is combined with thrust component.
7. annex clamp mechanism according to claim 5 is characterized in that: at described clamped position, described drive division and described thrust component break away from.
8. annex clamp mechanism according to claim 5, it is characterized in that: described driven unit also comprises the second elastic component, user's operating portion of described actuator by described the second elastic component by towards the direction bias voltage near described axle flange.
9. 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 have an axle flange and the first longitudinal axis; Transmission mechanism, described transmission mechanism converts rotatablely moving of the driving shaft of motor to work arbor driving; And annex clamp mechanism; It is characterized in that: described annex clamp mechanism is used for accessory clamp is held in work arbor, and described annex clamp mechanism comprises: clamp flange; For the driven unit that described clamp flange is moved between off-position and clamped position, described driven unit comprise on the housing that is arranged on power tool pivot and around the actuator of described pivot pivotable between primary importance and the second place, be positioned at clamped position at the described clamp flange of primary importance, described annex can be clamped between axle flange and clamp flange, be positioned at the off-position at the described clamp flange of the second place, described annex can take out between described axle flange and described clamp flange; The thrust component that is connected with described clamp flange; The first elastic component, described clamp flange are by described the first elastic component and by towards described clamped position bias voltage, described pivot is between user's operation part and described the first longitudinal axis of actuator.
10. power tool according to claim 9, it is characterized in that: described motor has the second longitudinal axis, described the first longitudinal axis and the second longitudinal axis angularly arrange, described transmission mechanism converts rotatablely moving of motor to work arbor around the swing of himself axis, described transmission mechanism comprises eccentric part and connector, described eccentric part is arranged on described driving shaft, and an 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 true CN103170956A (en) | 2013-06-26 |
| CN103170956B CN103170956B (en) | 2015-12-02 |
Family
ID=48631371
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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| Country | Link |
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| CN (1) | CN103170956B (en) |
Cited By (3)
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| DE202013104204U1 (en) | 2012-12-29 | 2013-12-02 | Chervon (Hk) Limited | An accessory tensioning mechanism and power tool having the same |
| CN112847259A (en) * | 2019-11-26 | 2021-05-28 | 苏州宝时得电动工具有限公司 | Power tool and clamping device thereof |
| CN113043133A (en) * | 2017-08-04 | 2021-06-29 | 苏州宝时得电动工具有限公司 | Polishing tool |
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| DE202013104204U1 (en) | 2012-12-29 | 2013-12-02 | Chervon (Hk) Limited | An accessory tensioning mechanism and power tool having the same |
| CN113043133A (en) * | 2017-08-04 | 2021-06-29 | 苏州宝时得电动工具有限公司 | Polishing tool |
| CN112847259A (en) * | 2019-11-26 | 2021-05-28 | 苏州宝时得电动工具有限公司 | Power tool and clamping device thereof |
| WO2021103878A1 (en) * | 2019-11-26 | 2021-06-03 | 苏州宝时得电动工具有限公司 | Power tool and clamping device thereof |
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| Publication number | Publication date |
|---|---|
| CN103170956B (en) | 2015-12-02 |
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