CN103963025B - Power tool - Google Patents

Power tool Download PDF

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Publication number
CN103963025B
CN103963025B CN201310045854.7A CN201310045854A CN103963025B CN 103963025 B CN103963025 B CN 103963025B CN 201310045854 A CN201310045854 A CN 201310045854A CN 103963025 B CN103963025 B CN 103963025B
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CN
China
Prior art keywords
locking member
pulling axis
output shaft
toggle
groove
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Active
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CN201310045854.7A
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Chinese (zh)
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CN103963025A (en
Inventor
熊伟
颜庆峰
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Positec Power Tools Suzhou Co Ltd
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Positec Power Tools Suzhou Co Ltd
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Priority to CN201310045854.7A priority Critical patent/CN103963025B/en
Publication of CN103963025A publication Critical patent/CN103963025A/en
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Publication of CN103963025B publication Critical patent/CN103963025B/en
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Abstract

The present invention relates to a kind of power tool, comprise housing, output shaft, 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, described latch assembly comprises and is contained in locking member in described output shaft and connector, described locking member is provided with slotted eye, described connector is movably received within described slotted eye, the inwall of described output shaft is provided with the first radial hole and the second radial hole, the aperture of described first radial hole is less than the aperture of described second radial hole, the draw-in groove coordinating to limit described locking member with locking member and rotate also is provided with in described output shaft, described pull bar and described locking member can be arranged relatively movably, described pull bar is provided with the groove that can hold described connector and the drive division for being released from described draw-in groove by described locking member, the torsion spring driving the motion of described locking member is also provided with between described locking member and described output shaft.Utilize torsion spring to drive locking member to drive pull bar, realize Quick-clamped annex.

Description

Power tool
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 does oscillating motion around the axis of himself.Therefore, when user installs different annexes on output shaft, multiple different operating function just can be realized.Common annex comprises straight blade, saw blade, triangle frosted dish, multiple work requirements such as can meeting saw, cut, grind, scrape.
Traditional Multi Role Aircraft, clamping installed by annex roughly two kinds of modes, and a kind of is that the mode be 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 adopts stage clip to provide clamping force.Above-mentioned two kinds of modes are complicated at the operation interface of accessory replacing, effort: first, and user needs very large power just can pull down annex; Secondly; multiple auxiliary movement ability clamp fitting is needed during installation accessories; if user is after being mounted to AUI by annex; annex need be held up with hand always; continue to promote annex to advance simultaneously; usually also need to make annex and output shaft relatively rotate to move to clamped position, and then by screw thread or spring action clamping.
Summary of the invention
Based on this, be necessary to propose a kind of without the need to just can the power tool of Quick-clamped annex by other instruments.
A kind of power tool, comprises housing, output shaft, is arranged in described housing, in order to drive operate accessories, 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 comprise be contained in rotationally in described output shaft and can along the axis direction of described output shaft float locking member and connector, described locking member has the clamped position of locking described pull bar 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, the inwall of described output shaft is provided with the first radial hole and the second radial hole that communicate with each other along the axis direction of described output shaft, the aperture of described first radial hole is less than the aperture of described second radial hole, the draw-in groove coordinating to limit described locking member with locking member and rotate also is provided with in described output shaft, described locking member is limited to described released position by described draw-in groove, wherein said connector is positioned at described second radial hole place when described locking member is in released position, described connector is also partly entered in the groove on described pull bar when described locking member is in clamped position by described first radial hole extruding, described pull bar and described locking member can be arranged relatively movably, and described pull bar is provided with the groove that can hold described connector and the drive division for being released from described draw-in groove by described locking member, also be provided with between described locking member and described output shaft and drive described locking member and connector to move to the torsion spring of described clamped position from described released position.
Wherein in an embodiment, described power tool also comprises the lower cam be 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 coordinated 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.
Wherein in an embodiment, 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 is also convexly equipped with the end portion for limiting described locking member slewing area.
Wherein in an embodiment, housing is extended in the bottom of described lower cam, and described bottom is provided with the interface magnet of AUI and absorption annex.
Wherein in an embodiment, described power tool also comprises unlock component, described unlock component comprises the toggle being arranged on described hull outside and the pulling axis be connected with described toggle, 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, are also provided with stage clip between described pulling axis and described locking member.
Wherein in an embodiment, 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.
Wherein in an embodiment, 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.
Wherein 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 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.
Wherein in an embodiment, described group of sleeve lining is convexly equipped with pushing part, and described pulling axis is provided with pushed part.
Wherein in an embodiment, described pulling axis is provided with the shaft shoulder, and on described pulling axis, also cover has the cover plate being bearing on the described shaft shoulder, and described cover plate, between the described shaft shoulder and described pulling axis cover, described inner walls is also provided with the first jump ring of spacing described cover plate.
Wherein in an embodiment, between described cover plate and described pulling axis cover, be also provided with revolution torsion spring.
Wherein in an embodiment, between described cover plate and the described shaft shoulder, be also provided with plane bearing.
Wherein in an embodiment, described toggle is stretched out at the top that described pulling axis matches with described toggle, and the top of described pulling axis is provided with the second jump ring for carrying out axial limiting to described toggle.
Wherein in an embodiment, described toggle is provided with toggle magnet, and described hull outside is provided with phase magnet, and described toggle magnet and described phase magnet are arranged in opposite polarity mode respect to one another.
Wherein in an embodiment, described connector is ball or cylindrical rollers.
Above-mentioned power tool, when needing clamp fitting, only need locking member to be released draw-in groove pressing pressing plate at the beginning, just locking member can be driven to rise by torsion spring, then risen and holddown attachment member by connector band dynamic pressure plate, do not need to continue force to pressing plate in the process of clamping, do not need 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, and wherein locking member is in and rotates and the state risen relative to lower cam;
Fig. 5 is the cam surface of lower cam and the expanded view of draw-in groove;
Fig. 6 is the schematic diagram when power tool shown in Fig. 1 is provided with annex, and wherein annex is not clamped;
Fig. 7 is the sectional view of A-A line in Fig. 6, when display annex is not clamped, and the relative position of pulling axis cover and pulling axis;
Fig. 8 is the sectional view of B-B line in Fig. 6, when display annex is not clamped, and the relative position of pulling axis and locking member;
Fig. 9 is the sectional view of C-C line in Fig. 6, the position of connector when display annex is not clamped;
Figure 10 is the schematic diagram when power tool shown in Fig. 1 is provided with annex, and wherein annex is clamped;
Figure 11 is the sectional view of A '-A ' line in Figure 10, when display annex is clamped, and the relative position of pulling axis cover and pulling axis;
Figure 12 is the sectional view of B '-B ' line in Figure 10, when display annex is clamped, and the relative position of pulling axis and locking member;
Figure 13 is the sectional view of C '-C ' line in Figure 10, the position of connector when display 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, 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, feather key portion 153c, the shaft shoulder
154, plane bearing 155, cover plate 156, 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
Detailed description of the invention
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, i.e. Multi Role Aircraft 100, comprises housing 110, the output shaft 120 extended within the case 110, the latch assembly 130 be contained in output shaft 120, securing member 140, unlock component 150, the shift fork 160 be connected on output shaft 120, the torsion spring 180 that is arranged on the lower cam 170 in output shaft 120 bottom and is arranged between lower cam 170 and latch assembly 130.Output shaft 120 can do oscillating motion around himself axis X.Realize output shaft 120 and make the conventional mode of oscillating motion system employing swing tool, be namely connected with eccentric wheel by shift fork 160, eccentric wheel is connected with the driving shaft of motor again, thus is the oscillating motion of output shaft 120 by the convert rotational motion of the driving shaft of motor.Like this when output shaft 120 connecting different annexes, just can realize different work requirements.Securing member 140 is in order to be fastened to annex 200 on output shaft 120.Latch assembly 130 is 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 remain on released position, and torsion spring 180 is used for driving latch assembly 130 to move to clamped position.Unlock component 150 is used for making latch assembly 130 to remove locking to securing member 140.
Please refer to Fig. 1, Fig. 6 and Figure 10, housing 110 be provided with two roughly in angle arrange working ports, 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 is connected with shift fork 160; Another working port is opening down, can be connected to make output shaft 120 with annex 200.
Be provided with upper and lower two bearing chambers in housing 110, be separately installed with upper bearing (metal) 112 and lower bearing 113, be used for common support output shaft 120, make the supporting & stablizing of output shaft 120 reliable, and then ensure Multi Role Aircraft 100 steady operation.
Shift fork 160 is comprised the connecting portion 162 that connected by the mode of interference fit and the external cylindrical surface of output shaft 120 and is used for the auxiliary section 164 that is connected with eccentric wheel.Auxiliary section 164 generally includes a pair adjutage, be coated on eccentric cylindrical by a pair adjutage, when eccentric wheel makes eccentric rotary under the drive of the driving shaft of motor, drive shift fork 160 is done oscillating motion in the horizontal direction, and then drives 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 also can be integrally process with output shaft 120.
Please refer to Fig. 1, Fig. 6 and Figure 10, output shaft 120 is hollow shafts, comprise top is greater than axis body 122 disk body 124 by upper bearing (metal) 112 and the axis body 122 of lower bearing 113 common support and the radial dimension of below, be wherein the working tips that output shaft 120 is relative with annex 200 bottom disk body 124, be used for installation accessories 200.
Latch assembly 130 can be contained in output shaft 120 by floating ground.The pull bar 144 that securing member 140 comprises pressing plate 142 and is connected with pressing plate 142, its center platen 142 is in order to be pressed on the bottom of disk body 124 of output shaft 120 by annex 200,144, pull bar can stretch in output shaft 120, then the position of pull bar 144 is locked by latch assembly 130, 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 in output shaft 120 and connector 134 by floating ground.Locking member 132 is arranged in hollow, comprises the cam part 132a coordinated with lower the cam 170 and main part 132b be connected from cam part 132a.The external cylindrical surface of main part 132b is provided with the slotted eye 132c of multiple connection locking member 132 interior or exterior space, and in the present embodiment, slotted eye 132c has three, is uniformly distributed, all accommodates a connector 134 simultaneously in each slotted eye 132c around main part 132b week side.Meanwhile, pull bar 144 is provided with for pushing the drive division 144a of locking member 132 and can holding the groove 144b of connector 134.In addition, the inwall of the axis body 122 of output shaft 120 be provided with communicate with each other, with axis X first radial hole 126 and second radial hole 127 in the same way of output shaft 120, 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, rotates and the motion requirement risen to adapt to locking member 132 preferably, but also can be the connector of other applicable shapes, as columniform roller.Also need to point out, drive division 144a is a stage portion, and when pushing locking member 132, drive division 144a both can be inner at locking member 132, also can be outside at locking member 132.In addition, pull bar 144 pushes locking member 132, can also be locking member 132 arranges projection, and pull bar arranges groove, utilizes the bottom of groove to promote the projection of locking member 132.
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 the mode be connected by screw with disk body 124.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 in the torsional spring slot 178 that the groove (non-label) of locking member 132 and lower cam 170 are offered respectively, thus torsion spring 180 is able to pre-determined bit and provides the precompression acting on locking member 132, the two ends of certain torsion spring 180 also can be respectively fixed on locking member 132 and lower cam 170.In order to make locking member 132 remain on released position, the top of lower cam 170 offers draw-in groove 173, and is provided with the cam surface 174 of a spiral advance near draw-in groove 173, and also namely 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, and cam surface 174 is 8 degree at the lift angle axially of output shaft 120.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 stroke.The starting point 174a of cam surface 174 is positioned at the side-walls of draw-in groove 173, and terminal 174b place is also convexly equipped with an end portion 175.
When locking member 132 is 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 be rotated by torsion spring 180.When needs drive locking member 132 by torsion spring 180, upwardly pressing plate 142, make the drive division 144a upwardly locking member 132 of pull bar 144, cam part 132a just can be made to depart from from draw-in groove 173, torsion spring 180 drives locking member 132 rotate and rise, and cam part 132a then rotates along cam surface 174 and rises, because cam surface 174 has certain lift angle, locking member 132 rotates and is subject to great downward power after rising and all can not move down, thus locking member 132 realizes self-locking.End portion 175 is used for limiting the slewing area of locking member 132, thus the upward stroke of limiting lock gripping members 132.
In the present embodiment, the top of lower cam 170 is provided with two place's cam surface and notchs, is uniformly distributed along lower cam 170 cylindrical; Accordingly, the cam part 132a on locking member 132 also has two places, during such locking member 132 self-locking, produces self-locking effect, make self-locking effect better at its axis both sides tool.
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, so directly utilizes output shaft 120 to limit the rotation of locking member 132 and to reach the self-locking of locking member 132.The internal structure that lower cam 170 can simplify output shaft 120 is set, makes output shaft 120 process simply, 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 the interface being applicable to installing the dissimilar annex such as straight blade, saw blade, triangle frosted dish, 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.Like this, when annex 200 is placed into AUI 176, due to the magneticaction of interface magnet 177, operator does not need always with hand steered annex 200, thus is freed by operator's both hands, alleviates manipulation strength.
Below in conjunction with accompanying drawing 2 to 13, the course of work of Multi Role Aircraft 100 clamp fitting 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 part is arranged in the second radial hole 127 of output shaft 120, and connector 134 is partially received in the slotted eye 132c on locking member 132 simultaneously.During installation accessories 200, annex 200 coordinates with AUI 176 and is adsorbed by interface magnet 177, and now pull bar 144 is 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 to rotate along cam surface 174 relative to lower cam 170 and rise.Please refer to Fig. 4 and Figure 10, when locking member 132 is with follower link 134 to move 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 extruded by the first radial hole 126 and partly enters in the groove 144b on pull bar 144.Next, torsion spring 180 drives locking member 132 to continue to rise, and locking member 132 then drives lower link 144 and pressing plate 142 to rise by connector 134.When pressing plate 142 is adjacent to annex 200, 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, makes 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 ensure that pressing plate 142 can effective clamp fitting 200.
In the process of above-mentioned installation and clamp fitting 200, only needing to promote a lower platen 142 at the beginning makes pull bar 144 that locking member 132 is released draw-in groove 173, just locking member 132 can be driven to rise by torsion spring 180, then dynamic pressure plate 142 is with to rise and holddown attachment member 200 by connector 134, do not need to continue force to pressing plate 142 in the process of clamping, do not need by other instruments yet, thus can Quick-clamped annex; Meanwhile, be also provided with AUI 176 and can adsorb the interface magnet 177 of annex 200 bottom lower cam 170, in the process of clamp fitting 200, operator does not need, always with hand steered annex, to simplify operation, alleviate operator's labour intensity.
The unlock component 150 of Multi Role Aircraft 100 is for the clamping of Rapid reversal to annex 200, so in conjunction with the function of aforementioned Quick-clamped, just realizes the quick change of annex 200.
Please refer to Fig. 1, unlock component 150 comprises the toggle 151 being arranged on housing 110 outside, the pulling axis be fixedly connected with toggle 151 overlaps 152 and pulling axis 153, wherein the top of pulling axis 153 is overlapped 152 through pulling axis and is stretched out toggle 151, and the bottom of pulling axis 153 is used for being connected with locking member 132.
Please refer to the drawing 7 and Figure 11, pulling axis cover 152 is be enclosed within pulling axis 153 rotationally, wherein pulling axis cover 152 inwall on be convexly equipped with pushing part 152a, the cylindrical being simultaneously arranged in pulling axis 153 part of pulling axis cover 152 is convexly equipped with pushed part 153a, and pushing part 152a and pushed part 153a has space in relative rotation.Such toggle 151 can drive pulling axis 153 to rotate by pulling axis cover 152, and then locking member 132 can be driven 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 are greater than the maximum rotation angle of locking member 132, in the present embodiment in locking member 132 clamp fitting 200 process, also drive pulling axis 153 to rotate 82 degree when locking member 132 rotates, pulling axis 153 and pulling axis cover 152 in relative rotation angular range are then 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 unblock object, except operation toggle 151 makes locking member 132 rotate, also need to ensure that locking member 132 can move down, can get back to its released position and to coordinate with the draw-in groove 173 on lower cam 170 while rotating.
In the present embodiment, the mode that the lower end of pulling axis 153 is connected by feather key is connected with locking member 132, and the two matched in clearance makes pulling axis 153 that locking member can be driven to rotate, and pulling axis 153 and locking member 132 can relative slidings on the axis X direction of output shaft 120.In the present embodiment, please refer to Fig. 3, Fig. 4, Fig. 7, Fig. 8 and Figure 12, pulling axis 153 is provided with feather key portion 153b, and on locking member 132, correspondence is provided with fluting (non-label), is matched in clearance between feather key portion 153b and fluting.In addition, one end that locking member 132 coordinates with pulling axis 153 is also fixedly connected with push rod 1510.A stage clip 1511 is also provided with between push rod 1510 and pulling axis 153.When locking member 132 is driven rising by torsion spring 180, stage clip 1511 is compressed, and like this, when toggle 151 drives locking member 132 to rotate, the elastic force of stage clip 1511 drives locking member 132 to decline while rotation.Because locking member 132 is also interior sky design, the existence of push rod 1510 is convenient to position stage clip 1511.
The cylindrical of pulling axis 153 has also protruded out shaft shoulder 153c.Shaft shoulder 153c is placed with a plane bearing 154.Plane bearing 154 is placed with a cover plate 155, is provided with one above cover plate 155 and is positioned at the first jump ring 156 on housing 110 inwall.Its cover plate 155 be positioned at pulling axis cover 152 below and the axial limiting be enclosed within for pulling axis 153 on pulling axis 153, with prevent pulling axis 153 upwards play go out housing 110.First jump ring 156 is used for cover plate 155 axial limiting.The effect of plane bearing 154 reduces the frictional force between cover plate 155 and pulling axis 153.In addition, the top of pulling axis 153 is provided with second jump ring 157, second jump ring 157 in order to carry out axial limiting to toggle 151.In addition, toggle lid 158 to be arranged on toggle 151 and to be closed in the top of pulling axis 153 and the second jump ring 157, makes Multi Role Aircraft 100 outward appearance neat and artistic.
In addition, a revolution torsion spring 159 is also provided with between cover plate 155 and pulling axis cover 152.The two ends of revolution torsion spring 159 also can take the mode inserting (not shown) in the groove on cover plate 155 and pulling axis cover 152 respectively to locate.Because cover plate 155 position is motionless, when operation toggle 151 unlocks, pulling axis cover 152 can reset by revolution torsion spring 159 after pulling axis overlaps 152 rotations, is resetted by toggle 151 simultaneously.
Connecing lower detailed description utilizes unlock component 150 Rapid reversal annex 200 to lock, and then the process of quick-detachment annex 200.
When needs dismounting annex 200, operator only needs to rotate toggle 151, make toggle 151 drive pulling axis to overlap 152 to rotate, pulling axis 153 will be driven to rotate by pushing part 152a after pulling axis cover 152 turns an angle, like this, locking member 132 declines while acting on rotation by the elastic force of stage clip 1511, connector 134 is then followed locking member 132 and is declined and drive pull bar 144 and pressing plate 142 to decline, when to be pressed into by stage clip 1511 after locking member 132 rotate in place 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 to the position of the second radial hole 127 on output shaft 120 and spins off from the groove 144b pull bar 144.Finally, operator pulls pressing plate 142, makes pull bar 144 that connector 134 is clamp-oned the second radial hole 127, then just securing member 140 can be taken out, this completes annex 200 and dismantle action.The process of above-mentioned dismounting annex 200, equally need by other instruments, only need simply to rotate toggle 151 and pull a lower platen 142, just can carry out the dismounting of annex 200 easily.
In order to make can to get back to original position during toggle 151 return at every turn, toggle 151 is provided with a toggle magnet 151a, on housing 110, correspondence is provided with a phase magnet 114.Toggle magnet 151a and phase magnet 114 are arranged in opposite polarity mode respect to one another, and namely the two different magnetic poles is relative.So, when toggle 151 resets under turning round torsion spring 159 and driving, by attracting each other of toggle magnet 151a and phase magnet 114, original position can be got back to all exactly at every turn.
To sum up, the Multi Role Aircraft 100 of present embodiment, without the need to holding up with hand always during installation accessories 200, a simple racking is only needed during clamp fitting 200, as long as also a simple rotational action adds pulling action during dismounting annex 200, simple to operate and without the need to by other instruments, thus realize the quick change of annex 200 easily.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not 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 operate accessories;
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 comprise be contained in rotationally in described output shaft and can along the axis direction of described output shaft float locking member and connector, described locking member has the clamped position of locking described pull bar 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, the inwall of described output shaft is provided with the first radial hole and the second radial hole that communicate with each other along the axis direction of described output shaft, the aperture of described first radial hole is less than the aperture of described second radial hole, the draw-in groove coordinating to limit described locking member with locking member and rotate also is provided with in described output shaft, described locking member is limited to described released position by described draw-in groove, described pull bar and described locking member can be arranged relatively movably, described pull bar is provided with the groove that can hold described connector and the drive division for being released from described draw-in groove by described locking member,
Wherein said connector is positioned at described second radial hole place when described locking member is in released position, described connector is also partly entered in the groove on described pull bar when described locking member is in clamped position by described first radial hole extruding;
Also be provided with between described locking member and described output shaft and drive described locking member and connector to move to the torsion spring of described clamped position from described released position.
2. power tool according to claim 1, it is characterized in that, described power tool also comprises the lower cam be 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 coordinated 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 is also convexly equipped with the end portion for limiting 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 the interface magnet of AUI and absorption annex.
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 being arranged on described hull outside and the pulling axis be connected with described toggle, 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, are also provided with stage clip between described pulling axis and described locking member.
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 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 is convexly equipped 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 being bearing on the described shaft shoulder, described cover plate, between the described shaft shoulder and described pulling axis cover, described inner walls is also provided with the first jump ring of spacing described cover plate.
11. power tools according to claim 10, is characterized in that, are also provided with revolution torsion spring between described cover plate and described pulling axis cover.
12. power tools according to claim 10, is characterized in that, are also provided with plane bearing between described cover plate and the described shaft shoulder.
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 the top of described pulling axis are provided with the second jump ring for carrying out axial limiting to described toggle.
14. power tools according to claim arbitrary 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 are arranged in opposite polarity mode respect to one another.
15. power tools according to claim arbitrary in claim 1 to 13, it is characterized in that, described connector is ball or cylindrical rollers.
CN201310045854.7A 2013-02-05 2013-02-05 Power tool Active CN103963025B (en)

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CN106627881A (en) * 2017-02-24 2017-05-10 浙江春风动力股份有限公司 Windshield bracket
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
CN110631446B (en) * 2019-10-30 2021-04-02 苏州智联科慧自动化有限公司 A relocation mechanism for screw thread leads to ends and detects
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

Citations (5)

* Cited by examiner, † Cited by third party
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012232382A (en) * 2011-05-02 2012-11-29 Hitachi Koki Co Ltd Power tool

Patent Citations (5)

* Cited by examiner, † Cited by third party
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

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