CN103963025A - Power tool - Google Patents
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- CN103963025A CN103963025A CN201310045854.7A CN201310045854A CN103963025A CN 103963025 A CN103963025 A CN 103963025A CN 201310045854 A CN201310045854 A CN 201310045854A CN 103963025 A CN103963025 A CN 103963025A
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- locking member
- pulling axis
- output shaft
- power tool
- toggle
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Abstract
The invention relates to a power tool which comprises a shell, an output shaft, a fastening member and a locking component. The fastening member comprises a press plate and a pull rod connected with the press plate and capable of extending into the output shaft, the locking component comprises a locking member contained in the output shaft and a connecting member, a grooved hole is arranged on the locking member, the connecting member is movably contained in the grooved hole, a first radial hole and a second radial hole are arranged on the inner wall of the output shaft, hole diameter of the first radial hole is smaller than that of the second radial hole, a clamping groove matched with the locking member to limit rotating of the locking member is arranged in the output shaft, the pull rod and the locking member are arranged in a relatively-movable manner, a groove capable of containing the connecting member and a driving portion used for pushing the locking member out of the clamping groove are arranged on the pull rod, and a torsion spring driving the locking member to move is arranged between the locking member and the output shaft. The torsion is utilized to drive the locking member to drive the pull rod so as to realize quick clamping of an accessory.
Description
Technical field
The present invention relates to a kind of power tool, particularly relate to a kind of swing class power tool of hand-held.
Background technology
Multi Role Aircraft is the common swing class power tool of industry, and its operation principle is that output shaft is done oscillating motion around the axis of himself.Therefore,, when user installs different annexes on output shaft, just can realize multiple different operating function.Common annex comprises straight blade, saw blade, triangle frosted dish, the multiple work requirements such as can meet saw, cut, grind, scrape.
Traditional Multi Role Aircraft, annex is installed to clamp roughly two kinds of modes, and a kind of is that the mode being threaded connection clamps, and as annex is arranged in the AUI of lock shaft, lock shaft is threaded with the clamp shaft of output shaft inside; Another kind is to adopt stage clip that clamping force is provided.Above-mentioned two kinds of modes are complicated at the operation interface of accessory replacing, effort: first, user needs very large power just can pull down annex; Secondly; during installation accessories, need a plurality of auxiliary movements ability clamp fittings; as user is being mounted to annex after AUI; need hold up annex with hand always; continue to promote annex advances simultaneously; conventionally also need to make annex and output shaft relatively rotate to move to clamped position, and then clamp by screw thread or spring action.
Summary of the invention
Based on this, be necessary to propose a kind of without the power tool with regard to energy Quick-clamped annex by other instruments.
A power tool, comprises housing, output shaft, is arranged in described housing, in order to drive annex work, securing member, comprises pressing plate and is connected with described pressing plate and can stretches into the pull bar in described output shaft, and latch assembly, be contained in described output shaft, in order to lock described securing member, described latch assembly comprises and is contained in rotationally in described output shaft and locking member and connector that can be unsteady along the axis direction of described output shaft, described locking member has the clamped position of the described pull bar of locking and the released position of unclamping described pull bar, described locking member is provided with slotted eye, described connector is movably received within described slotted eye, axis direction along described output shaft on the inwall of described output shaft is provided with the first radial hole and the second radial hole communicating with each other, the aperture of described the first radial hole is less than the aperture of described the second radial hole, in described output shaft, be also provided with and coordinate to limit the draw-in groove that described locking member rotates with locking member, described draw-in groove is limited to described released position by described locking member, wherein said connector is positioned at described the second radial hole place during in released position at described locking member, described connector is entered in the groove on described pull bar by described the first radial hole extruding part during in clamped position at described locking member, described pull bar and described locking member can relatively move and arrange, and described pull bar is provided with groove and the drive division for described locking member is released from described draw-in groove that can hold described connector, between described locking member and described output shaft, be also provided with and drive described locking member and connector from described released position, to move to the torsion spring of described clamped position.
Therein in an embodiment, described power tool also comprises the lower cam being fixed in described output shaft, described torsion spring is arranged in described lower cam, described draw-in groove is opened in the top of described lower cam, the top of described lower cam is also provided with cam surface, described cam surface is spiral camber, and described locking member is provided with the cam part coordinating with described cam surface and draw-in groove, and described cam part can snap in described draw-in groove and under the promotion of described drive division and depart from from described draw-in groove.
In an embodiment, described cam surface has starting point and terminal therein, and wherein said starting point is positioned at the side-walls of described draw-in groove, and described destination county also convexes with for limiting the end portion of described locking member slewing area.
In an embodiment, housing is extended in the bottom of described lower cam therein, and described bottom is provided with AUI and adsorbs the interface magnet that annex is used.
Therein in an embodiment, described power tool also comprises unlock component, described unlock component comprises the toggle and the pulling axis being connected with described toggle that is arranged on described hull outside, described toggle drives described locking member to rotate by described pulling axis, and described pulling axis and described locking member can relative slidings on the axis direction of described output shaft, between described pulling axis and described locking member, are also provided with stage clip.
In an embodiment, described pulling axis is provided with feather key portion therein, and described locking member correspondence is provided with the fluting with described feather key portion matched in clearance.
In an embodiment, one end that described locking member is connected with described pulling axis is also fixedly connected with push rod therein, and it is inner that described push rod is contained in described locking member, and described stage clip is located between described push rod and described pulling axis.
Therein in an embodiment, described unlock component also comprises pulling axis cover, described toggle is fixedly connected with described pulling axis cover, described pulling axis cover is enclosed within on described pulling axis rotationally, and described pulling axis cover and the relatively turnable angular range of described pulling axis are greater than the maximum rotation angle of described locking member, described toggle drives described pulling axis to rotate by described pulling axis cover.
In an embodiment, described group of sleeve lining convexes with pushing part therein, and described pulling axis is provided with pushed part.
In an embodiment, described pulling axis is provided with the shaft shoulder therein, and on described pulling axis, also cover has the cover plate that is bearing on the described shaft shoulder, and described cover plate, between the described shaft shoulder and described pulling axis cover, is also provided with the first jump ring of spacing described cover plate in described inner walls.
In an embodiment, between described cover plate and described pulling axis cover, be also provided with revolution torsion spring therein.
In an embodiment, between described cover plate and the described shaft shoulder, be also provided with plane bearing therein.
In an embodiment, described toggle is stretched out at the top that described pulling axis matches with described toggle therein, and on the top of described pulling axis, is provided with for described toggle being carried out to the second jump ring of axial limiting.
In an embodiment, described toggle is provided with toggle magnet therein, and described hull outside is provided with phase magnet, and described toggle magnet and described phase magnet arrange in opposite polarity mode respect to one another.
In an embodiment, described connector is ball or cylindrical rollers therein.
Above-mentioned power tool, while needing clamp fitting, only need to locking member be released to draw-in groove pressing pressing plate at the beginning, just can drive locking member to rise by torsion spring, then by connector band dynamic pressure plate, rise and holddown attachment member, in the process clamping, do not need pressing plate to continue the application of force, need to be by other instruments yet, thus can Quick-clamped annex.
Accompanying drawing explanation
Fig. 1 is the profile of the power tool of an embodiment;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the stereogram of locking member and lower cam, and wherein the cam part of locking member is stuck in the draw-in groove of lower cam;
Fig. 4 is the stereogram of locking member and lower cam, wherein the state of locking member in rotating and rise with respect to lower cam;
Fig. 5 is the expanded view of cam surface and the draw-in groove of lower cam;
Fig. 6 is the schematic diagram of the power tool shown in Fig. 1 when annex is installed, and wherein annex is not clamped;
Fig. 7 is the cutaway view of A-A line in Fig. 6, shows when annex is not clamped the relative position of pulling axis cover and pulling axis;
Fig. 8 is the cutaway view of B-B line in Fig. 6, shows when annex is not clamped the relative position of pulling axis and locking member;
Fig. 9 is the cutaway view of C-C line in Fig. 6, shows the position of connector when annex is not clamped;
Figure 10 is the schematic diagram of the power tool shown in Fig. 1 when annex is installed, and wherein annex is clamped;
Figure 11 is the cutaway view of A '-A ' line in Figure 10, shows when annex is clamped the relative position of pulling axis cover and pulling axis;
Figure 12 is the cutaway view of B '-B ' line in Figure 10, shows when annex is clamped the relative position of pulling axis and locking member;
Figure 13 is the cutaway view of C '-C ' line in Figure 10, shows the position of connector when annex is clamped.
Related elements reference numeral in figure is as follows:
100, Multi Role Aircraft 110, housing 111, working port
112, upper bearing (metal) 113, lower bearing 114, phase magnet
120, output shaft 122, axis body 124, disk body
126, the first radial hole 127, the second radial hole 130, latch assembly
132, locking member 132a, cam part 132b, main part
132c, slotted eye 134, connector 140, securing member
142, pressing plate 144, pull bar 144a, drive division
144b, groove
150, unlock component 151, toggle 151a, toggle magnet
152, pulling axis cover 152a, pushing part 153, pulling axis
153a, pushed part 153b, the 153c of feather key portion, the shaft shoulder
154, plane bearing 155, cover plate 156, the first jump ring
157, the second jump ring 158, toggle lid 159, revolution torsion spring
1510, push rod 1511, stage clip 160, shift fork
162, connecting portion 164, auxiliary section 170, lower cam
172, flange portion 173, draw-in groove 174, cam surface
174a, starting point 174b, terminal 175, end portion
176, AUI 177, interface magnet 178, torsional spring slot
180, torsion spring 200, annex
The specific embodiment
Below in conjunction with accompanying drawing, the better embodiment of power tool of the present invention is described.
Please refer to Fig. 1 to Figure 13, the present invention relates to a kind of power tool, especially a kind of hand-held swing-type power tool, be Multi Role Aircraft 100, the output shaft 120 that comprises housing 110, extends in housing 110, be contained in latch assembly 130, securing member 140, unlock component 150 in output shaft 120, be connected to shift fork 160 on output shaft 120, be arranged on the lower cam 170 in output shaft 120 bottoms and be arranged on the torsion spring 180 between lower cam 170 and latch assembly 130.Output shaft 120 can be done oscillating motion around himself axis X.Realize output shaft 120 and make the conventional mode of oscillating motion system employing swing tool, by shift fork 160, be connected with eccentric wheel, eccentric wheel is connected with the driving shaft of motor again, thereby rotatablely moving of the driving shaft of motor is converted into the oscillating motion of output shaft 120.While connecting different annexes like this on output shaft 120, just can realize different work requirements.Securing member 140 is in order to be fastened to annex 200 on output shaft 120.130 of latch assemblies are used for clinch fastener 140 and then clamp fitting 200.Latch assembly 130 has a released position and clamped position, wherein descends cam 170 to be used for making latch assembly 130 to remain on released position, and 180 of torsion springs are used for driving latch assembly 130 to move to clamped position.150 of unlock component are used for making latch assembly 130 lockings of releasing to securing member 140.
Please refer to Fig. 1, Fig. 6 and Figure 10, housing 110 is provided with two and is roughly the working ports that angle arranges, one of them working port 111 be opening to the right, position is corresponding with shift fork 160, in order to connect the casing of motor (not shown), the driving shaft of motor can be connected with shift fork 160; Another working port is opening down, so that output shaft 120 can be connected with annex 200.
In housing 110, be provided with upper and lower two bearing chambers, be separately installed with upper bearing (metal) 112 and lower bearing 113, be used for jointly supporting output shaft 120, make the supporting & stablizing of output shaft 120 reliably, and then guarantee Multi Role Aircraft 100 steady operations.
The auxiliary section 164 that shift fork 160 comprises the connecting portion 162 connecting by the mode of interference fit and the external cylindrical surface of output shaft 120 and is used for being connected with eccentric wheel.Auxiliary section 164 generally includes a pair of adjutage, by a pair of adjutage, be coated on eccentric cylindrical, when eccentric wheel is made eccentric rotary under the drive of the driving shaft of motor, to drive shift fork 160 to do in the horizontal direction oscillating motion, and then drive output shaft 120 to do oscillating motion around himself axis X.In the present embodiment, the connecting portion 162 of shift fork 160 is between upper bearing (metal) 112 and lower bearing 113, and like this, during the stressed swing of output shaft 120, all there is bearings stress point both sides, make supporting & stablizing reliable.Need point out, shift fork 160 can be also to process with output shaft 120 one.
Please refer to Fig. 1, Fig. 6 and Figure 10, output shaft 120 is hollow shafts, comprise that top is greater than the disk body 124 of axis body 122 by the radial dimension of upper bearing (metal) 112 and the common axis body 122 supporting of lower bearing 113 and below, wherein disk body 124 bottoms are the work end that output shaft 120 is relative with annex 200, are used for installation accessories 200.
Latch assembly 130 can be contained in output shaft 120 by floating ground.Securing member 140 comprises pressing plate 142 and the pull bar 144 being connected with pressing plate 142, its center platen 142 is in order to be pressed to annex 200 on the bottom of disk body 124 of output shaft 120,144, pull bar can stretch in output shaft 120, then by latch assembly 130, lock the position of pull bars 144, and then clamp fitting 200.
Please refer to Fig. 1 to Fig. 5, latch assembly 130 comprises rotatable and can be contained in locking member 132 and the connector 134 in output shaft 120 by floating ground.Locking member 132 is hollow setting, comprises the cam part 132a coordinating with lower cam 170 and the main part 132b being connected from cam part 132a.The external cylindrical surface of main part 132b is provided with the slotted eye 132c of a plurality of connection locking member 132 interior or exterior spaces, and in the present embodiment, slotted eye 132c has three, around main part 132b week side, is uniformly distributed, and all accommodates a connector 134 in each slotted eye 132c simultaneously.Meanwhile, pull bar 144 is provided with for pushing the drive division 144a and the groove 144b that can hold connector 134 of locking member 132.In addition, the inwall of the axis body 122 of output shaft 120 be provided with communicate with each other, with the axis X of output shaft 120 the first radial hole 126 and the second radial hole 127 in the same way, wherein, the aperture of the first radial hole 126 is less than the aperture of the second radial hole 127.When pull bar 144 stretches in locking member 132, promoting pressing plate 142 makes drive division 144a promote locking member 132, when connector 134 moves to the first radial hole 126 place from the second radial hole 127, connector 134 is just entered in groove 144b by the first radial hole 126 extruding.Therefore when the position of connector 134 is positioned at the second radial hole 127 place, locking member 132 is in released position, and when connector 134 is entered in groove 144b by the first radial hole 126 extruding, locking member 132 is positioned at clamped position, about this point, will further describe hereinafter.The ball that connector 134 can adopt energy omnidirectional to rotate, the motion requirement that rotates and rise to adapt to preferably locking member 132, but can be also the connector of other applicable shapes, as columniform roller.Also need to point out, drive division 144a is a stage portion, and while pushing locking member 132, drive division 144a can be both in locking member 132 inside, can be also in locking member 132 outsides.In addition, pull bar 144 pushes locking member 132, can also be, on locking member 132, projection is set, and groove is set on pull bar, utilizes the projection of the bottom promotion locking member 132 of groove.
Please refer to Fig. 1 to Fig. 5, lower cam 170 is arranged in the disk body 124 of output shaft 120, and same cam 170 is at present provided with flange portion 172 and is fixedly connected with the bottom of disk body 124 in the mode being connected by screw.The bottom of locking member 132 is inserted in lower cam 170 from the top of lower cam 170.Torsion spring 180 is positioned at lower cam 170, the two ends of torsion spring 180 snap onto respectively in the torsional spring slot 178 of offering on the groove (not label) of locking member 132 and lower cam 170, thereby torsion spring 180 is able to pre-determined bit and the precompression that acts on locking member 132 is provided, the two ends of torsion spring 180 also can be respectively fixed on locking member 132 and lower cam 170 certainly.In order to make locking member 132 can remain on released position, the top of lower cam 170 offers draw-in groove 173, and near draw-in groove 173, is provided with the cam surface 174 that a spiral advances, and is also that cam surface 174 is spiral cambers.Please join by Fig. 5, in the present embodiment, the difference in height h between the starting point 174a of cam surface 174 and terminal 174b is 3.5cm, cam surface 174 output shaft 120 axially on lift angle be 8 degree.Need point out, the concrete selection of the difference in height h between the starting point 174a of cam surface 174 and terminal 174b and the lift angle of cam surface 174 can design according to the requirement of locking member 132 self-locking strokes.The starting point 174a of cam surface 174 is positioned at the side-walls of draw-in groove 173, and terminal 174b place also convexes with an end portion 175.
When locking member 132 is during in released position, the cam part 132a system of locking member 132 is stuck in draw-in groove 173, and locking member 132 can not rotated by torsion spring 180.When needs drive locking member 132 by torsion spring 180, upwards promote pressing plate 142, make the drive division 144a of pull bar 144 upwards promote locking member 132, just can make cam part 132a depart from from draw-in groove 173, torsion spring 180 drives locking member 132 rotate and rise, and cam part 132a rotates and rises along cam surface 174, because cam surface 174 has certain lift angle, locking member 132 rotate and rise after be subject to great downward power and can not move down, thereby locking member 132 is realized self-locking.End portion 175 is used for limiting the slewing area of locking member 132, thereby limits the upward stroke of locking member 132.
In the present embodiment, the top of lower cam 170 is provided with two place's cam surface and notchs, along lower cam 170 cylindricals, is uniformly distributed; Accordingly, the cam part 132a on locking member 132 also has two places, during locking member 132 self-locking, at its axis both sides tool, produces self-locking effect like this, makes self-locking effect better.
Need point out, lower cam 170 is not necessary, and the structure of draw-in groove and cam surface can be set directly in the disk body 124 of output shaft 120, the self-locking that so directly utilizes output shaft 120 to limit the rotation of locking member 132 and reach locking member 132.Lower cam 170 is set and can simplifies the internal structure of output shaft 120, make output shaft 120 processing simple, simultaneously easy to assembly.
In the present embodiment, housing is extended in the bottom of lower cam 170, and bottom is provided with AUI 176.AUI 176 can be that the interface of the dissimilar annex such as straight blade, saw blade, triangle frosted dish be applicable to be installed, and this knows for those skilled in the art, repeats no more.In addition, the bottom of lower cam 170 is also provided with the interface magnet 177 of absorption annex 200 use.Like this, when annex 200 is placed into AUI 176, due to the magneticaction of interface magnet 177, operator does not need to use hand steered annex 200 always, thereby operator's both hands are freed, and alleviates manipulation strength.
Below in conjunction with accompanying drawing 2 to 13, the course of work of Multi Role Aircraft 100 clamp fittings 200 of present embodiment is described.
Please refer to Fig. 3 and Fig. 6, locking member 132 is positioned at released position, now the cam part 132a of locking member 132 coordinates with the draw-in groove 173 on lower cam 170, torsion spring 180 is compressed, connector 134 parts are arranged in the second radial hole 127 of output shaft 120, and connector 134 parts are contained in the slotted eye 132c on locking member 132 simultaneously.During installation accessories 200, annex 200 coordinates with AUI 176 and by 177 absorption of interface magnet, now pull bar 144 is to extend in locking member 132, and the groove 144b position on pull bar 144 is corresponding with connector 134.Promote pressing plate 142, pull bar 144 promotes locking member 132 by drive division 144a, and locking member 132 is pushed out the draw-in groove 173 of lower cam 170, and now, torsion spring 180 drives locking member 132 rotate and rise along cam surface 174 with respect to lower cam 170.Please refer to Fig. 4 and Figure 10, when driving connector 134, locking member 132 moves to the first radial hole 126 from the second radial hole 127, because the aperture of the first radial hole 126 is less, therefore connector 134 is entered in the groove 144b on pull bar 144 by the first radial hole 126 extruding part.Next, torsion spring 180 drives locking member 132 to continue to rise, and locking member 132 drives lower link 144 and pressing plate 142 to rise by connector 134.When pressing plate 142 and annex 200 are adjacent to, locking member 132 and connector 134 stop rising, and now, the elastic force that torsion spring 180 acts on locking member 132 passes to pull bar 144, make pressing plate 142 continue upwards holddown attachment member 200, thus clamp fitting 200; Locking member 132 self-locking under the effect of the cam surface 174 of lower cam 170 simultaneously, thus effectively clamp fitting 200 of pressing plate 142 guaranteed.
In the process of above-mentioned installation and clamp fitting 200, only need to promote at the beginning a lower platen 142 makes pull bar 144 that locking member 132 is released to draw-in groove 173, just can drive locking member 132 to rise by torsion spring 180, then by connector 134 band dynamic pressure plates 142, rise and holddown attachment member 200, in the process clamping, do not need pressing plate 142 to continue the application of force, need to be by other instruments yet, thus can Quick-clamped annex; Meanwhile, lower cam 170 bottoms are also provided with AUI 176 and can adsorb the interface magnet 177 of annex 200, and in the process of clamp fitting 200, operator does not need to use hand steered annex always, has simplified operation, has alleviated operator's labour intensity.
The unlock component 150 of Multi Role Aircraft 100 is for removing fast the clamping to annex 200, so in conjunction with the function of aforementioned Quick-clamped, just realizing the quick change of annex 200.
Please refer to Fig. 1, unlock component 150 comprises and is arranged on the toggle 151 of housing 110 outsides, pulling axis cover 152 and the pulling axis 153 being fixedly connected with toggle 151, wherein the top of pulling axis 153 is passed pulling axis cover 152 and is stretched out toggle 151, and the bottom of pulling axis 153 is for being connected with locking member 132.
Please refer to the drawing 7 and Figure 11, pulling axis cover 152 is to be enclosed within rotationally on pulling axis 153, wherein on the inwall of pulling axis cover 152, convex with pushing part 152a, be arranged on the cylindrical of pulling axis 153 parts of pulling axis cover 152 simultaneously and convex with pushed part 153a, and pushing part 152a and pushed part 153a have space in relative rotation.Toggle 151 overlaps 152 by pulling axis and can drive pulling axis 153 to rotate like this, and then can drive locking member 132 to rotate, to remove the self-locking of locking member 132.Please refer to Fig. 6, Fig. 7, Figure 11 and Figure 12, pulling axis 153 and pulling axis cover 152 in relative rotation angular range is greater than the maximum rotation angle of locking member 132, in the present embodiment in locking member 132 clamp fitting 200 processes, locking member 132 also drives pulling axis 153 to rotate 82 degree while rotating, pulling axis 153 and pulling axis cover 152 in relative rotation angular range are greater than 82 degree.So, locking member 132 rotates in uphill process, and locking member 132 only drives pulling axis 153 to rotate, and can not affect the position of pulling axis cover 152 and toggle 151, so that follow-up use toggle 151 carries out unlocking operation.
For reaching release object, except making locking member 132, operation toggle 151 rotates, also need to guarantee when locking member 132 rotates to move down, to can get back to its released position and coordinate with the draw-in groove 173 on lower cam 170.
In the present embodiment, the mode that the lower end of pulling axis 153 connects by feather key is connected with locking member 132, and the two matched in clearance make pulling axis 153 can drive locking member to rotate, and pulling axis 153 can relative sliding in the axis X direction of output shaft 120 with locking member 132.In the present embodiment, please refer to Fig. 3, Fig. 4, Fig. 7, Fig. 8 and Figure 12, pulling axis 153 is provided with the 153b of feather key portion, and on locking member 132, correspondence is provided with fluting (not label), between the 153b of feather key portion and fluting, is matched in clearance.In addition one end that, locking member 132 coordinates with pulling axis 153 is also fixedly connected with push rod 1510.Between push rod 1510 and pulling axis 153, be also provided with a stage clip 1511.When locking member 132 is driven rising by torsion spring 180, stage clip 1511 is compressed, and like this, when toggle 151 drives locking members 132 to rotate, the elastic force of stage clip 1511 drives locking member 132 decline when rotating.Because locking member 132 is also interior empty design, the existence of push rod 1510 is convenient to stage clip 1511 to position.
On the cylindrical of pulling axis 153, also protruded out shaft shoulder 153c.On shaft shoulder 153c, be placed with a plane bearing 154.On plane bearing 154, be placed with a cover plate 155, cover plate 155 tops are provided with first jump ring 156 being positioned on housing 110 inwalls.Its cover plate 155 is positioned at pulling axis and overlaps 152 belows and be enclosed within on pulling axis 153 axial limiting for pulling axis 153, with prevent pulling axis 153 upwards play go out housing 110.The first 156 of jump rings are used for to cover plate 155 axial limitings.The effect of plane bearing 154 is the frictional force reducing between cover plate 155 and pulling axis 153.In addition, the top of pulling axis 153 is provided with second jump ring 157, the second jump rings 157 in order to toggle 151 is carried out to axial limiting.In addition, a toggle lid 158 is arranged on toggle 151 and by the top of pulling axis 153 and the second jump ring 157 sealings, makes Multi Role Aircraft 100 outward appearances neat and artistic.
In addition, between cover plate 155 and pulling axis cover 152, be also provided with a revolution torsion spring 159.The two ends of revolution torsion spring 159 also can take the mode of inserting respectively (not shown) in the groove on cover plate 155 and pulling axis cover 152 to locate.Because cover plate 155 positions are motionless, when operation toggle 151 carries out release, revolution torsion spring 159 can reset pulling axis cover 152 after pulling axis overlaps 152 rotations, toggle 151 is resetted simultaneously.
Connect lower detailed description and utilize unlock component 150 to remove fast annex 200 lockings, and then the process of quick-detachment annex 200.
When needs are dismantled annex 200, operator only need to rotate toggle 151, make toggle 151 drive pulling axis cover 152 to rotate, after turning an angle, pulling axis cover 152 will drive pulling axis 153 to rotate by pushing part 152a, like this, locking member 132 declines when being subject to the elastic force of stage clip 1511 to act on rotation, connector 134 is followed locking member 132 and is declined and drive pull bar 144 and pressing plate 142 to decline, after locking member 132 rotate in place, by stage clip 1511, be pressed in lower cam 170 and cam part 132a coordinates with the draw-in groove 173 of lower cam 170, now toggle 151 can not be rotated further.Next, remove the power on toggle 151, revolution torsion spring 159 drives toggle 151 to reset, and now, connector 134 drops in the position of the second radial hole 127 on output shaft 120 the groove 144b from pull bar 144 and spins off.Finally, operator pulls pressing plate 142, makes pull bar 144 that connector 134 is clamp-oned to the second radial hole 127, then just securing member 140 can be taken out, and has so just completed annex 200 dismounting actions.The process of above-mentioned dismounting annex 200, equally need be by other instruments, only need to simply rotate toggle 151 and pull a lower platen 142, just can carry out easily the dismounting of annex 200.
Can get back to original position when making toggle 151 return at every turn, be provided with a toggle magnet 151a on toggle 151, on housing 110, correspondence is provided with a phase magnet 114.Toggle magnet 151a and phase magnet 114 arrange in opposite polarity mode respect to one another, and the two different magnetic poles is relative.So, when toggle 151 resets under revolution torsion spring 159 drives, by attracting each other of toggle magnet 151a and phase magnet 114, can all get back to exactly original position at every turn.
To sum up, the Multi Role Aircraft 100 of present embodiment, during installation accessories 200 without holding up with hand always, during clamp fitting 200, only need a simple racking, during dismounting annex 200, also need only a simple rotational action and add pulling action, simple to operate and without by other instruments, thus realize easily the quick change of annex 200.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (15)
1. a power tool, comprises
Housing;
Output shaft, is arranged in described housing, in order to drive annex work;
Securing member, comprises pressing plate and is connected with described pressing plate and can stretches into the pull bar in described output shaft; And
Latch assembly, is contained in described output shaft, in order to lock described securing member;
It is characterized in that,
Described latch assembly comprises and is contained in rotationally in described output shaft and locking member and connector that can be unsteady along the axis direction of described output shaft, described locking member has the clamped position of the described pull bar of locking and the released position of unclamping described pull bar, described locking member is provided with slotted eye, described connector is movably received within described slotted eye, axis direction along described output shaft on the inwall of described output shaft is provided with the first radial hole and the second radial hole communicating with each other, the aperture of described the first radial hole is less than the aperture of described the second radial hole, in described output shaft, be also provided with and coordinate to limit the draw-in groove that described locking member rotates with locking member, described draw-in groove is limited to described released position by described locking member, wherein said connector is positioned at described the second radial hole place during in released position at described locking member, described connector is entered in the groove on described pull bar by described the first radial hole extruding part during in clamped position at described locking member,
Described pull bar and described locking member can relatively move and arrange, and described pull bar is provided with groove and the drive division for described locking member is released from described draw-in groove that can hold described connector;
Between described locking member and described output shaft, be also provided with and drive described locking member and connector from described released position, to move to the torsion spring of described clamped position.
2. power tool according to claim 1, it is characterized in that, described power tool also comprises the lower cam being fixed in described output shaft, described torsion spring is arranged in described lower cam, described draw-in groove is opened in the top of described lower cam, the top of described lower cam is also provided with cam surface, described cam surface is spiral camber, described locking member is provided with the cam part coordinating with described cam surface and draw-in groove, and described cam part can snap in described draw-in groove and under the promotion of described drive division and depart from from described draw-in groove.
3. power tool according to claim 2, is characterized in that, described cam surface has starting point and terminal, and wherein said starting point is positioned at the side-walls of described draw-in groove, and described destination county also convexes with for limiting the end portion of described locking member slewing area.
4. power tool according to claim 2, is characterized in that, housing is extended in the bottom of described lower cam, and described bottom is provided with AUI and adsorbs the interface magnet that annex is used.
5. power tool according to claim 2, it is characterized in that, described power tool also comprises unlock component, described unlock component comprises the toggle and the pulling axis being connected with described toggle that is arranged on described hull outside, described toggle drives described locking member to rotate by described pulling axis, and described pulling axis and described locking member can relative slidings on the axis direction of described output shaft, between described pulling axis and described locking member, are also provided with stage clip.
6. power tool according to claim 5, is characterized in that, described pulling axis is provided with feather key portion, and described locking member correspondence is provided with the fluting with described feather key portion matched in clearance.
7. power tool according to claim 5, is characterized in that, one end that described locking member is connected with described pulling axis is also fixedly connected with push rod, and it is inner that described push rod is contained in described locking member, and described stage clip is located between described push rod and described pulling axis.
8. power tool according to claim 5, it is characterized in that, described unlock component also comprises pulling axis cover, described toggle is fixedly connected with described pulling axis cover, described pulling axis cover is enclosed within on described pulling axis rotationally, and described pulling axis cover and the relatively turnable angular range of described pulling axis are greater than the maximum rotation angle of described locking member, described toggle drives described pulling axis to rotate by described pulling axis cover.
9. power tool according to claim 8, is characterized in that, described group of sleeve lining convexes with pushing part, and described pulling axis is provided with pushed part.
10. power tool according to claim 8, it is characterized in that, described pulling axis is provided with the shaft shoulder, and on described pulling axis, also cover has the cover plate that is bearing on the described shaft shoulder, described cover plate, between the described shaft shoulder and described pulling axis cover, is also provided with the first jump ring of spacing described cover plate in described inner walls.
11. power tools according to claim 10, is characterized in that, between described cover plate and described pulling axis cover, are also provided with revolution torsion spring.
12. power tools according to claim 10, is characterized in that, between described cover plate and the described shaft shoulder, are also provided with plane bearing.
13. power tools according to claim 10, is characterized in that, described toggle is stretched out at the top that described pulling axis matches with described toggle, and on the top of described pulling axis, are provided with for described toggle being carried out to the second jump ring of axial limiting.
14. according to the power tool described in arbitrary claim in claim 5 to 13, it is characterized in that, described toggle is provided with toggle magnet, and described hull outside is provided with phase magnet, and described toggle magnet and described phase magnet arrange in opposite polarity mode respect to one another.
15. according to the power tool described in arbitrary claim in claim 1 to 13, it is characterized in that, described connector is ball or cylindrical rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310045854.7A CN103963025B (en) | 2013-02-05 | 2013-02-05 | Power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310045854.7A CN103963025B (en) | 2013-02-05 | 2013-02-05 | Power tool |
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| Publication Number | Publication Date |
|---|---|
| CN103963025A true CN103963025A (en) | 2014-08-06 |
| CN103963025B CN103963025B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310045854.7A Active CN103963025B (en) | 2013-02-05 | 2013-02-05 | Power tool |
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| Country | Link |
|---|---|
| CN (1) | CN103963025B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627881A (en) * | 2017-02-24 | 2017-05-10 | 浙江春风动力股份有限公司 | Windshield bracket |
| CN107309492A (en) * | 2017-08-08 | 2017-11-03 | 浙江金美电动工具有限公司 | A kind of multifunctional saw quick change construction and quick change method |
| CN110631446A (en) * | 2019-10-30 | 2019-12-31 | 苏州智联科慧自动化有限公司 | A relocation mechanism for screw thread leads to ends and detects |
| CN114905465A (en) * | 2021-02-10 | 2022-08-16 | 苏州宝时得电动工具有限公司 | Fastening mechanism and power tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2017036A1 (en) * | 2007-07-19 | 2009-01-21 | C. & E. FEIN GmbH | Power tool |
| CN201669688U (en) * | 2010-04-27 | 2010-12-15 | 南京德朔实业有限公司 | Handheld power tool with fast working component clamping device |
| CN201736204U (en) * | 2010-07-12 | 2011-02-09 | 苏州宝时得电动工具有限公司 | Power tool |
| CN202062364U (en) * | 2010-12-07 | 2011-12-07 | 南京德朔实业有限公司 | Power tool |
| EP1737616B1 (en) * | 2004-04-23 | 2011-12-07 | C. & E. Fein GmbH | Powered hand tool comprising a clamping device for a tool |
| JP2012232382A (en) * | 2011-05-02 | 2012-11-29 | Hitachi Koki Co Ltd | Power tool |
-
2013
- 2013-02-05 CN CN201310045854.7A patent/CN103963025B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1737616B1 (en) * | 2004-04-23 | 2011-12-07 | C. & E. Fein GmbH | Powered hand tool comprising a clamping device for a tool |
| EP2017036A1 (en) * | 2007-07-19 | 2009-01-21 | C. & E. FEIN GmbH | Power tool |
| CN201669688U (en) * | 2010-04-27 | 2010-12-15 | 南京德朔实业有限公司 | Handheld power tool with fast working component clamping device |
| CN201736204U (en) * | 2010-07-12 | 2011-02-09 | 苏州宝时得电动工具有限公司 | Power tool |
| CN202062364U (en) * | 2010-12-07 | 2011-12-07 | 南京德朔实业有限公司 | Power tool |
| JP2012232382A (en) * | 2011-05-02 | 2012-11-29 | Hitachi Koki Co Ltd | Power tool |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627881A (en) * | 2017-02-24 | 2017-05-10 | 浙江春风动力股份有限公司 | Windshield bracket |
| CN107309492A (en) * | 2017-08-08 | 2017-11-03 | 浙江金美电动工具有限公司 | A kind of multifunctional saw quick change construction and quick change method |
| CN107309492B (en) * | 2017-08-08 | 2023-08-29 | 浙江金美电动工具有限公司 | Multifunctional saw quick-change structure and quick-change method |
| CN110631446A (en) * | 2019-10-30 | 2019-12-31 | 苏州智联科慧自动化有限公司 | A relocation mechanism for screw thread leads to ends and detects |
| CN114905465A (en) * | 2021-02-10 | 2022-08-16 | 苏州宝时得电动工具有限公司 | Fastening mechanism and power tool |
| CN114905465B (en) * | 2021-02-10 | 2023-09-12 | 苏州宝时得电动工具有限公司 | Fastening mechanism and power tool |
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| CN103963025B (en) | 2016-02-17 |
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