CN108274435A - Power tool - Google Patents
Power tool Download PDFInfo
- Publication number
- CN108274435A CN108274435A CN201810009541.9A CN201810009541A CN108274435A CN 108274435 A CN108274435 A CN 108274435A CN 201810009541 A CN201810009541 A CN 201810009541A CN 108274435 A CN108274435 A CN 108274435A
- Authority
- CN
- China
- Prior art keywords
- clamping
- working accessory
- clamping piece
- output shaft
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/16—Hand-held sawing devices with circular saw blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
- B23D51/08—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools
- B23D51/10—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools for hand-held or hand-operated devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Power Tools In General (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of power tools, especially swing class power tool comprising：Prime mover, output shaft and mounting device, output shaft can be swung by prime mover driven by axis of central axis, and mounting device is for installing working accessory to output shaft；Mounting device includes：Clamping device, driving device and locking device, clamping device can be moved clamping between the first position of working accessory and the second position for discharging working accessory, driving device can generate one and directly or indirectly act on clamping device so that the elastic force that clamping device is moved from the second position to first position, locking device can be moved in the latched position and releasing for preventing clamping device from moving between the unlocked position of the locking of the movement of clamping device；Locking device is also configured to, and when the pressure that clamping device directly applies it by ground, locking device moves to unlocked position by latched position.Wherein, power tool allows users to conveniently disassemble and install working accessory.
Description
Technical field
The present invention relates to a kind of power tool, especially a kind of swing class power tool.
Background technology
The power tool for swinging class usually requires the work such as one working accessory progress sawing of installation, but it is attached to work
Part is various and is easily damaged, it is therefore desirable to often replace attachment.
Swing class power tool include：Prime mover, transmission component, output shaft and clamping device, wherein transmission component
It drives output shaft rotation or swings, clamping device is used to working accessory being clamped on output shaft and rotates or put with output shaft synchronous
It is dynamic.But in the prior art, when needing to install working accessory to clamping device, it is often necessary in addition by some backmans
Have to complete, is unfavorable for very much the operation of user in this way.
Invention content
To solve the deficiencies in the prior art, the purpose of the present invention is to provide a kind of power works for capableing of Quick Release working accessory
Tool.
In order to realize that above-mentioned target, the present invention adopt the following technical scheme that：
A kind of power tool, including：Prime mover, output shaft and mounting device, output shaft can be by prime mover drivens with central axis
It is swung for axis, mounting device is for installing working accessory to output shaft；Mounting device includes：Clamping device, driving device and
Locking device, clamping device can be moved clamping between the first position of working accessory and the second position for discharging working accessory,
Driving device can generate one and directly or indirectly act on clamping device so that clamping device is from the second position to first position
The elastic force of movement, locking device at least in the latched position for preventing clamping device from moving and can release the movement to clamping device
Locking unlocked position between move；Wherein, locking device is also configured to, when clamping device directly applies it by ground
Locking device moves to unlocked position by latched position when the pressure added.
Further, clamping device includes：It is formed with the clamping piece of the first clamping face；Output shaft is formed or is connected with：
Mounting portion, mounting portion are formed with for coordinating to clamp the second clamping face of working accessory with the first clamping face.
Further, clamping piece includes：For receiving face the forced section of the pressure of its application；Wherein, attached in work
When part is bound to clamping device, along being parallel on the direction of central axis, working accessory is bound to the junction of clamping device
Between forced section and the second clamping face.
Further, clamping piece includes：For receiving face the forced section of the pressure of its application；Wherein, attached in work
When part is bound to clamping device, along being parallel on the direction of central axis, forced section and the first clamping face are located at working accessory
It is bound to the homonymy of the junction of clamping device.
Further, clamping piece is constituted with output shaft and is rotatablely connected, and the axis that clamping piece is rotated relative to output shaft is vertical
In central axis.
Further, clamping device includes：It is formed with the clamping piece of the first clamping face；Output shaft is formed or is connected with：
Mounting portion, mounting portion are used to constitute cooperation with clamping piece working accessory is clamped；Wherein, it is parallel to central axial direction on edge
On, mounting portion has at least one minimum point farthest apart from prime mover；Clamping piece is along being parallel to central axis and towards remote
It is protruded from relative thereto on the direction of prime mover.
Further, clamping device includes：It is formed with the clamping piece of the first clamping face；Output shaft is formed or is connected with：
Mounting portion, mounting portion are used to constitute cooperation with clamping piece working accessory is clamped；Wherein, working accessory be bound to clamping piece and
When between mounting portion, along being parallel in central axial direction, working accessory has at least one farthest most apart from prime mover
Low spot；When working accessory is bound between clamping piece and mounting portion and clamping device is in the second position, clamping piece is along flat
Row is in central axis and is directed away from relative thereto protrusion on the direction of prime mover.
A kind of swing class power tool, including：Shell, prime mover, output shaft and mounting device, prime mover are arranged in shell
Interior, output shaft can be swung by prime mover driven by axis of central axis, and mounting device is for installing working accessory to output shaft；
Mounting device includes：Clamping piece, locking piece and elastic component, clamping piece is constituted with output shaft can be at first of clamping working accessory
It sets and discharges the rotation connection moved between the second position of working accessory, locking piece can be at least moved to for locking clamping piece
Relative to the latched position of the rotation of output shaft, elastic component, which generates one, so that clamping piece is moved from the second position to first position
Elastic force；Wherein, when clamping piece is located at the second position and working accessory is bound between clamping piece and output shaft, clamping piece energy
It is contacted by ground and can be triggered locking piece when ground applies pressure in face of it and leave latched position.
Further, clamping piece is formed with pilot hole, and locking piece can slide along pilot hole and so that clamping piece is existed in sliding
It is moved between first position and the second position.
Further, one end of pilot hole is formed with：Lock part, lock part locking folder when locking piece moves to lock part
The movement of gripping member.
The invention has the beneficial effects that：The power tool make user without using auxiliary tool can Quick Release work it is attached
Part.
Description of the drawings
Fig. 1 is the stereogram of the power tool as one embodiment；
Fig. 2 is the sectional view of the power tool in Fig. 1；
Fig. 3 is the plan view of mounting device and output shaft in Fig. 1；
Fig. 4 is the sectional view of mounting device and output shaft in Fig. 1, in figure clamping device be located at the second position and operating parts not by with
Family operates；
Fig. 5 is the sectional view of mounting device and output shaft in Fig. 1, in figure clamping device be located at first position and operating parts not by with
Family operates；
Fig. 6 is the sectional view of mounting device and output shaft in Fig. 1, and clamping device is located at the second position in figure and operating parts is by user
Operation；
Fig. 7 is the explosive view of mounting device and output shaft in Fig. 1；
Fig. 8 is the mounting device of second embodiment and the sectional view of output shaft, and the first clamping member is opened with the second clamping piece in figure；
Fig. 9 is the mounting device of second embodiment and the sectional view of output shaft, and the first clamping member is closed with the second clamping piece in figure；
Figure 10 is the explosive view of mounting device and output shaft in Fig. 8；
Figure 11 is the mounting device of 3rd embodiment and the sectional view of output shaft, and the first clamping member is closed with the second clamping piece in figure
It closes；
Figure 12 is the mounting device of 3rd embodiment and the sectional view of output shaft, the first clamping member and the second clamping piece in figure
It opens；
Figure 13 is the explosive view of mounting device and output shaft in Figure 11；
Figure 14 is the enlarged drawing of the first clamping member and the second clamping piece in Figure 11.
Specific implementation mode
Power tool 100 shown in FIG. 1 can drive a working accessory 200 to swing, and be specifically as follows and swing class power tool.
As depicted in figs. 1 and 2, power tool 100 may include：Shell 11, prime mover 12, output shaft 13 and mounting device 20.For
For swinging class power tool, power tool 100 further comprises for the rotation of prime mover 12 to be converted into output shaft 13
Swing transmission device 14.
Accommodating chamber 111 is formed with inside shell 11, the accommodating chamber 111 in shell 11 is arranged in prime mover 12, transmission device 14
Interior, output shaft 13 and mounting device 20 are at least partially disposed in accommodating chamber 111.Shell 11 surrounds the part for forming accommodating chamber 111
It is also used as the handle for being held for user.Prime mover 12 is used to that output shaft 13 to be driven to swing for axis with central axis 101,
In the present embodiment, which is specifically as follows motor.Transmission device 14 is arranged between prime mover 12 and output shaft 13
The swing for being converted into output shaft 13 for exporting prime mover 12.Specifically, transmission device 14 includes a swing rod
141, swing rod 141 can be driven by prime mover 12 and swing, to which swing rod 141 drives output shaft 13 with central axis 101 for axis again
It swings.Mounting device 20 is used to install working accessory 200 to power tool 100, and furthermore, mounting device 20 is connected to
Output shaft 13.In this way, mounting device 20, working accessory 200 and output shaft 13 can constitute one can be with output shaft 13 with center
Axis 101 is the entirety that axis is swung, and then the working accessory 200 swung can carry out the operations such as sawing to workpiece.For swinging
For class power tool, which can be saw blade, straight blade etc., in the present embodiment, by taking straight blade as an example.
As shown in Figure 2 and Figure 7, for swinging class power tool, working accessory 200 generally includes：Engaging portion 201,
Work department 202 and interconnecting piece 203.Wherein, engaging portion 201 is formed with the combined hole 201a for coordinating with mounting device 20,
Work department 202 is connected to engaging portion 201 by interconnecting piece 203, and the one end of work department 202 far from engaging portion 201 can also be formed
It is useful for the sawtooth 202a of cutting workpiece.In addition, there is typically further height being L between engaging portion 201 and work department 202
Difference in height, interconnecting piece 203 are substantially L in the height on 101 direction of central axis.
As shown in Figures 2 to 7, mounting device 20 includes：Clamping device 21, driving device 22 and locking device 23.
Clamping device 21 can move between the first position and the second position, when clamping device 21 is in first position,
Working accessory 200 is clamped to power tool 100 by clamping device 21, when clamping device 21 is in the second position, clamping device
21 discharge working accessories 200, and at this moment working accessory 200 can be disassembled from power tool 100.Driving device 22 can generate
One elastic force for directly or indirectly acting on clamping device 21, the elastic force can make clamping device 21 have by second
Set the trend moved to first position.Locking device 23 can move between locked and unlocked positions, when locking device 23
When positioned at latched position, locking device 23 can prevent the movement of clamping device 21, and when locking device 23 is located at unlocked position,
Locking device 23 releases the locking of the movement to clamping device 21.
Wherein, locking device 23 is also configured to, and is locked when the pressure that clamping device 21 directly applies it by ground
Determine device 23 and unlocked position is moved to by latched position.In this way, when user needs installment work attachment 200, it can be first by work
Make attachment 200 and be bound to power tool 100 along 101 direction of central axis is parallel to, at this point, the engaging portion 201 of working accessory 200
Between clamping device 21 and output shaft 13, then, user operates the power tool 100 and is connect with ground in clamping device 21 again
Touch when towards ground press, at this moment clamping device 21 receives the active force on ground, the active force make with locking device 23 by
Latched position is moved to the unlocked position for the locking for releasing the movement to clamping device 21, and then, clamping device 21 is filled in driving
First position is moved to by the second position under the action of elastic force caused by setting 22, and then clamping device 21 clamps working accessory
200。
Specifically, as shown in Fig. 3 to Fig. 7, clamping device 21 includes clamping piece 24, and clamping piece 24 includes：Rotation section
241, clamping part 242 and sticking department 243.Rotation section 241 is for making clamping piece 24 rotatably install to output shaft 13, clamping part
242 are formed with for being contacted with working accessory 200 the first clamping face 242a of working accessory 200, the first clamping face is clamped
242a energy backstops working accessory 200 is detached from output shaft 13 along the direction for being parallel to central axis 101, and sticking department 243 is used for and lock
Determine device 23 to coordinate so that the rotation of clamping piece 24 is locked.Wherein, the axis that clamping piece 24 is rotated relative to output shaft 13 also hangs down
Directly in central axis 101.Output shaft 13 also forms or is connected with mounting portion 131, and mounting portion 131 is formed with for being pressed from both sides with first
Face 242a cooperations are held to clamp the second clamping face 131a of working accessory 200.
More specifically, clamping part 242 and sticking department 243 are separately positioned on the both sides of rotation section 241, at sticking department 243
It is also formed with pilot hole 243a, locking device 23 includes being at least partially disposed in pilot hole 243a and capable of being slided in pilot hole 243a
Dynamic locking piece 231, furthermore, locking piece 231 are a locking level.The hole wall of pilot hole 243a is formed with guide surface
243b, guide surface 243b be used for locking piece 231 coordinate, and when locking level is slided along guide surface 243b guide clip gripping member 24 by
The second position moves to first position.One end of pilot hole 243a is also formed with lock part 243c, when locking level is moved to locking
When portion 243c, locking level locks the rotation of clamping piece 24.
Along being parallel on 101 direction of central axis, there are one farthest for the whole tool that output shaft 13 is constituted with mounting portion 131
Minimum point 131b from prime mover 12.Clamping piece 24 is parallel to central axis 101 on edge and is directed away from the direction of prime mover 12
Upper relative thereto 131b protrusions.In other words, clamping piece 24 is at least partially disposed at one perpendicular to central axis 101 and passes through
The side of separate prime mover 12 of the plane 102 of minimum point 131b.
Furthermore, when working accessory 200 is bound to mounting portion 131 and clamping piece 24 is located at the second position, on edge
It is parallel on the direction of central axis 101, working accessory 200 has the minimum point 202b farthest apart from prime mover 12, clamping piece
24 are parallel to central axis 101 on edge and are directed away from relative thereto 202b protrusions on the direction of prime mover 12.In other words,
Clamping piece 24 is at least partially disposed at one perpendicular to central axis 101 and by the plane 103 of minimum point 202b far from former dynamic
The side of machine 12.Specifically, for the working accessory 200 for the swing class power tool being adapted in the present embodiment, along flat
Row is in central axis 101 and is directed away from the direction of prime mover 12, work department 202 of the clamping piece 24 with respect to working accessory 200
It is protruded with interconnecting piece 203.In other words, along being parallel on the direction of central axis 101, clamping piece 24 is apart from mounting portion 131
The distance between farthest point and mounting portion 131 are more than L.To be bound to mounting portion 131 and clamping piece in working accessory 200
24 be located at the second position when, user can operate power tool 100 so that the contacts such as clamping piece 24 and ground, desktop, metope simultaneously
It is pressed towards them, ground, desktop or metope etc. are to 24 applied force of clamping piece, so that locking piece 231 is detached from and locking
The cooperation of portion 243c so that the rotation of clamping piece 24 is released, and then under the action of driving device 22, clamping piece 24 is by second
Position moves to first position.
Specifically, clamping piece 24 is further including for receiving ground, desktop, metope etc. close to one end of clamping part 242
To the forced section 244 of its applied force.When working accessory 200 is bound to clamping device 21,101 side of central axis is parallel on edge
Upwards, working accessory 200 is bound to the engaging portion 201 of mounting portion 131 and is located between forced section 244 and the second clamping face 131a；
Meanwhile along being parallel on 101 direction of central axis, forced section 244 and the first clamping face 242a are also located at the same of engaging portion 201
Side.
In fact, clamping part 24 is not limited to receive ground, desktop, metope etc. to its applied force, user can be pressed with hand
Forced section 244 is pressed, or forced section 244 is tapped with other auxiliary tools, can equally realize that locking piece 231 is detached from lock part 243c
So that the rotation of clamping piece 24 is released.
In this embodiment, driving device 22 includes：The pull rod 221 being connect with locking level, bias pull rod 221 are indirect to generate
The elastic force for acting on clamping piece 24 elastic component 222, which can make clamping piece 24 have from the second position to the
The trend of one position movement.Furthermore, power tool 100 further includes being used for the operating parts 25 and energy for user's operation
The driving member 26 for driving pull rod 221 to move.
Output shaft 13 is formed with accommodation space 132 around central axis 101, and pull rod 221 is arranged in accommodation space 132,
Pull rod 221 also constitutes being slidably connected along 101 direction of central axis with output shaft 13.One end of pull rod 221 connects locking level, separately
One end can be contacted with driving member 26.222 bias pull rod 221 of elastic component is so that pull rod 221 has along 101 direction direction of central axis
The trend of direction movement far from clamping piece 24.Specifically, elastic component 222 is helical spring, helical spring setting is accommodating
In space 132 and bias pull rod 221.Operating parts 25 is used for for user's operation, and operating parts 25 can specifically be constituted with shell 11 to be turned
Dynamic connection.Driving member 26 is connect with operating parts 25, and can together be rotated with operating parts 25 when operating parts 25 rotates.Driving member 26
It is formed with driving inclined-plane 261, pull rod 221 is equipped with the raised 221a contacted with driving inclined-plane 261.In this way, when user rotates operation
When part 25, driving member 26 enables to pull rod 221 that being biased towards for elastic component 222 is overcome to be moved close to the direction of clamping piece 24,
So that locking level slides in pilot hole 243a and clamping piece 24 is driven to move to the second position by first position.
Fig. 8 to Figure 10 shows the structure of the working accessory 300 and mounting device 30 of the power tool of second embodiment, this
Power tool in embodiment can be with 100 shell having the same of power tool, prime mover, the output shaft in first embodiment
And working accessory 300.In the present embodiment, mounting device 30 includes clamping device 31, and mounting device 30 further includes and first
Identical driving device 32 and locking device 33, differ only in the difference of clamping device 31 in embodiment, only introduce this below
In embodiment with the difference part in first embodiment.Wherein, the structure being adapted with the present embodiment in first embodiment is equal
It can be applied in the present embodiment, specifically repeat no more.
Clamping device 31 includes the first clamping member 34 and the second clamping piece 35,35 energy of the first clamping member 34 and the second clamping piece
Realize opening or closure simultaneously, when the first clamping member 34 and the second clamping piece 35 are in open configuration, 34 He of the first clamping member
Working accessory 300 can be clamped to power tool by the second clamping piece 35 simultaneously so that working accessory 300 by more stable clamping extremely
Power tool；When the first clamping member 34 and the second clamping piece 35 in the closure state, clamping device 31 discharge working accessory
300, at this moment working accessory 300 can be disassembled from power tool.Elastic component 322 in driving device 32 can generate one
Directly or indirectly act on the elastic force of clamping device 31, the elastic force can make clamping device 31 have from closed state to
The trend of open configuration movement.Locking device 33 can move between locked and unlocked positions, when locking device 33 is located at
When latched position, locking device 33 can prevent the movement of clamping device 31, and when locking device 33 is located at unlocked position, locking
Device 33 releases the locking of the movement to clamping device 31.Furthermore, power tool further includes being used for for user's operation
Operating parts 36 and the driving member 37 that pull rod 321 can be driven to move.
Specifically, as shown in Fig. 8 to Figure 10, the first clamping member 34 includes：First rotation section 341, the first clamping part
352342 and first sticking department 343, the second clamping piece 35 include：Second rotation section 351, the second clamping part and the second sticking department
353, the first rotation section 341 of the first clamping member 34 and the second rotation section 351 of the second clamping piece 35 are for making the first clamping member
34 and second clamping piece 35 rotatably to output shaft, the pivot center of the first rotation section 341 and the second rotation section 351 is equal for installation
It perpendicular to central axis 201 and coincides with one another and intersects with central axis 201, when the first clamping member 34 is around the first rotation section 341
When being rotated according to the first rotation direction, the first clamping part 342 is far from central axis 201, while the second clamping piece 35 is around second turn
Dynamic portion 351 is rotated according to the second rotation direction, and the second clamping part 352 realizes the first clamping member 34 and the far from central axis 201
Two clamping pieces 35 open simultaneously, to realize that clamping device 31 clamps working accessory 300；When the first clamping member 34 is around the first rotation
When portion 341 is rotated according to the second rotation direction, the first clamping part 342 is close to central axis 201, while the second clamping piece 35 is around
Two rotation sections 351 are rotated according to the first rotation direction, and the second clamping part realizes 34 He of the first clamping member close to central axis 201
Second clamping piece 35 is closed at, to realize that clamping device 31 reaches unlocked position.First clamping 34 and the second clamping piece
35 can be spent at 0 degree -90 between be freely rotated, rotated between can most preferably being spent at 20 degree -50, the present embodiment is preset as 25 degree.
The clamping part of the first clamping member 34 is formed with for being contacted with working accessory 300 the first clamping face of working accessory 300 is clamped
342a, the first clamping face 342a energy backstops working accessory 300 are detached from output shaft along the direction for being parallel to central axis 201；Second
The clamping part of clamping piece 35 is formed with for being contacted with working accessory 300 the second clamping face 352a of working accessory 300 is clamped,
Second clamping face 352a energy backstops working accessory 300 is detached from output shaft, the first clamping face along the direction for being parallel to central axis 201
342a and the second clamping face 352a acts on working accessory 300 simultaneously, realizes working accessory 300 by more stable clamping to power
Tool.Output shaft also forms or is connected with mounting portion 231, mounting portion 231 be formed with for the first clamping face 342a and
Two clamping face 352a cooperations are to clamp the third clamping face 231a of working accessory 300.
When the pressure that the first clamping member 34 directly applies it by ground, locking device 33 is moved to by latched position
Unlocked position.It, can be first by working accessory 300 along being parallel to central axis in this way, when user needs installment work attachment 300
201 directions are bound to power tool, at this point, the engaging portion 301 of working accessory 300 is between clamping device 31 and output shaft,
And the forced section of the first clamping member 34 is downwardly projecting in working accessory 300, then, Yong Huzai along 201 direction of central axis
It operates the power tool to press towards ground when being contacted with ground in the first clamping member 34, at this moment the forced section of the first clamping member 34
The active force on ground is received, which makes locking device 33 be moved to the fortune released to clamping device 31 by latched position
The unlocked position of dynamic locking, then, the first clamping member 34 and the second clamping piece 35 elastic force caused by driving device 32
Under the action of open configuration moved to by closed state, and then clamping device 31 clamps working accessory 300.
Specifically, when the first clamping member 34 and the second clamping piece 35 are in relatively closed state, the second clamping piece
35 are less than the first clamping member 34 in the size on 201 direction of central axis.
Specifically, for the working accessory 300 for the swing class power tool being adapted in the present embodiment, it is parallel on edge
It central axis 201 and being directed away from the direction of prime mover, the first clamping member 34 has a structure being identical with the first embodiment, and first
When clamping piece 34 and the second clamping piece 35 are in relatively closed state, the second clamping piece 35 is along 201 direction of central axis
Size be less than the first clamping member 34, along being parallel to central axis 201 and be directed away from the direction of prime mover, the second clamping
Part 35 is protruded with respect to the engaging portion 301 of working accessory 300 but is limited in interconnecting piece 303.In other words, it is parallel to center on edge
On the direction of axis 201, the distance between the second clamping piece 35 point farthest apart from mounting portion 231 and mounting portion 231 are less than L,
To avoid hindering user's operation power tool that ground, desktop or metope is made to apply pressure to the first clamping member 34.Such as Fig. 9
It is shown, along 201 direction of central axis it is bound to power tool and the first clamping member 34 and the second clamping piece 35 in working accessory 300
When in relatively closed state, the first clamping member 34 is convex for working accessory 300 along 201 direction of central axis, and
Two clamping pieces 35 are not protruding working accessory 300 along 201 direction of central axis, to which user only needs to trigger the first clamping member
34 can make locking device 33 be moved to unlocked position by latched position, and then improve the reliability of operation.Moreover,
In the present embodiment, the first clamping member 34 has a first pilot hole 343a passed through for the locking piece 331 in locking device 33, and second
Clamping piece 35 also has the second pilot hole 353a passed through for the locking piece 331 in locking device 33, by locking piece 331 on edge
The sliding for the hole wall of the second pilot hole 353a drives the rotation of the second clamping piece 35.Wherein, in the present embodiment, pass through the second folder
The setting of gripping member 35 enables working accessory 300 by more stable clamping to power tool.
Figure 11 to Figure 13 shows the structure of the working accessory 400 and mounting device 40 of the power tool of 3rd embodiment,
Power tool in the present embodiment can be with 100 shell having the same of power tool in first embodiment, prime mover, output
Axis and working accessory 400.In the present embodiment, mounting device 40 includes clamping device 41, and mounting device 40 further includes and the
Identical driving device 42 in one embodiment, differs only in the difference of clamping device 41, only introduce below in the present embodiment with
Difference part in first embodiment.Wherein, the structure being adapted with the present embodiment in first embodiment can be applied to
In the present embodiment, specifically repeat no more.
Clamping device 41 includes the first clamping member 44 and the second clamping piece 45,45 energy of the first clamping member 44 and the second clamping piece
Realize opening or closure simultaneously, when the first clamping member 44 and the second clamping piece 45 are in open configuration, i.e. the second clamping piece 45
When far from the first clamping member 44, working accessory 400 can be clamped to power work by the first clamping member 44 and the second clamping piece 45 simultaneously
Tool so that held between working accessory 400 and power tool tighter；It is closed when the first clamping member 44 and the second clamping piece 45 are in
When state, i.e. the second clamping piece 45 discharges working accessory 400 close to the first clamping member 44, clamping device 41, at this moment working accessory
400 can disassemble from power tool.Driving device 42 can generate one and directly or indirectly act on clamping device 41
Elastic force, which can make clamping device 41 have trend from closed state to open configuration that moved from.Further and
Speech, power tool further includes, for for user's operation operating parts 46 and the driving member 47 of the movement of component 421 can be drivingly connected
And the installation part 43 for installing the first clamping member 44 and the second clamping piece 45.
As shown in Figure 11 to Figure 13, the first clamping member 44 includes：First rotation section 441, the first clamping part 442 and first are led
To hole 443, the second clamping piece 45 includes：Second rotation section 451, the second clamping part and the second pilot hole 453, specifically, the
One pilot hole 443 is the first waist-shaped hole 443a, and the second pilot hole 453 is the second waist-shaped hole 453a.First waist-shaped hole 443a includes
One end of the first plane 443b and the second plane 443c, the first plane 443b and the second plane 443c that are mutually parallel are connected to it
The two the first arc surface 443d, the other end is connected to the second arc surface 443e between both of which；Second waist-shaped hole
453a includes the third plane 453b being mutually parallel and fourth plane 453c, one end of third plane 453b and fourth plane 453c
It is connected to the third arc surface 453d of both of which, the other end is connected to the 4th arc surface 453e between both of which.First
First rotation section 441 of clamping piece 44 and the second rotation section 451 of the second clamping piece 45 are for making the first clamping member 44 and second
Clamping piece 45 is rotatably installed by roller pin 48 to output shaft, the rotation axis of the first rotation section 441 and the second rotation section 451
Line is each perpendicular to 301 line of central axis and coincides with one another and intersect with central axis 301, along 301 direction of central axis,
One pilot hole 443 and the first clamping part 442 are located at the both sides of the roller pin 48；Second pilot hole 453 and second is clamped
Portion is located at the both sides of the roller pin 48.Driving device 42 includes actuator 49, and actuator 49 is to sequentially pass through described the
The guide pin of one pilot hole 443 and second pilot hole 453, actuator 49 can be transported between the first position and the second position
It is dynamic, and do not influenced by the first plane 443b of the first waist-shaped hole 443a and the second plane 443c, also not by the second waist-shaped hole
The influence of the third plane 453b and fourth plane 453c of 453a.When actuator 49 moves to first position, the first folder of driving
Gripping member 44 and the second clamping piece 45 are located remotely from each other；I.e. the first clamping member 44 turns around the first rotation section 441 according to the first rotation direction
It is dynamic, the first clamping part 442 far from central axis 301, while the second clamping piece 45 around the second rotation section 451 according to the second rotation side
To rotation, the second clamping part realizes that the first clamping member 44 and the second clamping piece 45 are opened simultaneously far from central axis 301, to
Realize that clamping device 41 clamps working accessory 400；When actuator 49 moves to the second position, the first clamping member 44 and the are driven
Two clamping pieces 45 are close to each other, i.e., the first clamping member 44 is rotated around the first rotation section 441 according to the second rotation direction, the first clamping
Portion 442 is close to central axis 301, while the second clamping 45 is rotated around the second rotation section 451 according to the first rotation direction, and second
Clamping part realizes that the first clamping member 44 and the second clamping piece 45 are closed at, to realize clamping device close to central axis 301
41 release working accessories 400.The first clamping member 44 and the second clamping piece 45 are freely rotated between being spent at 0 degree -90, most preferably may be used
It is rotated between being spent at 20 degree -50, the present embodiment is preset as 25 degree.The clamping part of the first clamping member 44 is formed with for attached with work
The contact of part 400 can 400 edge of backstop working accessory with the first clamping face 442a, the first clamping face 442a that working accessory 400 is clamped
The direction for being parallel to central axis 301 is detached from output shaft；The clamping part of second clamping piece 45 be formed with for working accessory 400
Contact to be clamped the second clamping face 452a of working accessory 400, the second clamping face 452a can backstop working accessory 400 along being parallel to
The direction of central axis 301 is detached from output shaft, and the first clamping face 442a and the second clamping face 452a act on working accessory simultaneously
400, it realizes and is held between working accessory 400 and power tool tightlier.Output shaft also forms or is connected with mounting portion 331, peace
Dress portion 331 is formed with for coordinating to clamp the third of working accessory 400 with the first clamping face 442a and the second clamping face 452a
Clamping face 331a.
When user rotates operating parts 46 to trigger position so that driving member 47 presses connection component 421 and drives actuator
49 move in the first pilot hole 443 and the second pilot hole 453, and elastic element 422 drives the first clamping member 44 and second at this time
Clamping piece 45 moves to closed state by open configuration, and then actuator 49 moves to the second position by first position.It is specific and
Speech, output shaft are formed with accommodation space 332 around central axis 301, and connection component 421 is arranged in accommodation space 332, connection
Component 421 also constitutes being slidably connected along 301 direction of central axis with output shaft.One end of connection component 421 connects actuator
49, the other end can be contacted with driving member 47.422 bias connection component 421 of elastic element is so that connection component 421 has along center
301 direction of axis is directed away from the trend of the direction movement of the first clamping member 44 and the second clamping piece 45.Specifically, elasticity member
Part 422 is helical spring, and helical spring is arranged in accommodation space 332 and bias connection component 421.Operating parts 46 be used for for
Family operates, and operating parts 46 can specifically be constituted with shell and is rotatablely connected.Driving member 47 is connect with operating parts 46, and in operating parts 46
It can together be rotated with operating parts 46 when rotation.Driving member 47 is formed with driving inclined-plane 471, and connection component 421 is equipped with oblique with driving
The protrusion that face 471 contacts.In this way, when user rotates operating parts 46 to trigger position, driving member 47 enables to connection component
421 overcome being biased towards for elastic element 422 to be moved close to the direction of 44 and second clamping piece 45 of the first clamping member, so that
Actuator 49 slides in pilot hole and the second clamping piece 44 and the first clamping member 45 is driven to move to closed form by open configuration
State；When user turns round operating parts 46 to initial position, elastic element 422 can pull actuator 49 to be directed away from clamping element
Direction movement so that actuator 49 slides in pilot hole and drives the second clamping piece 44 and the first clamping member 45 by closing
Conjunction state moves to open configuration, realizes that clamping device 41 clamps working accessory 400.
Specifically, for the working accessory 400 for the swing class power tool being adapted in the present embodiment, it is parallel on edge
It central axis 301 and is directed away from the direction of prime mover, 45 opposite working accessory 400 of the first clamping member 44 and the second clamping piece
Engaging portion 401 protrusion but be limited in interconnecting piece 403.In other words, it is parallel on the direction of central axis 301 on edge, the
The distance between two clamping pieces 45 point farthest apart from mounting portion 331 and mounting portion 331 are less than L, to realize that clamping part can
Lock working accessory 400.When working accessory 400 is bound to power tool and actuator 49 is in first position, the first clamping
Portion 452442 has in farthest apart from actuator 49 the first minimum point 442b along 301 direction of central axis, the second clamping part
With in farthest apart from actuator 49 the second minimum point 452b along 301 direction of central axis, working accessory 400 is distributed in one
A both sides for passing through the first minimum point 442b and the plane perpendicular to the central axis 301, and working accessory 400 is also distributed in
The both sides of one process the second minimum point 452b and the plane perpendicular to central axis 301.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way above-described embodiment, all to be obtained by the way of equivalent substitution or equivalent transformation
Technical solution is all fallen in protection scope of the present invention.
Claims (10)
1. a kind of power tool, including：
Prime mover；
Output shaft can be swung by the prime mover driven by axis of central axis；
Mounting device, for installing working accessory to the output shaft；
The mounting device includes：
Clamping device can be transported between the first position for clamping the working accessory and the second position of the release working accessory
It is dynamic；
Driving device can generate one and directly or indirectly act on the clamping device so that the clamping device is by described
The elastic force that two positions are moved to the first position；
Locking device can at least prevent the latched position of the clamping device movement and release the movement to the clamping device
Locking unlocked position between move；
Wherein, the locking device is also configured to, when the pressure when institute that the clamping device directly applies it by ground
It states locking device and the unlocked position is moved to by the latched position.
2. power tool according to claim 1, it is characterised in that：
The clamping device includes：
Clamping piece is formed with the first clamping face；
The output shaft is formed or is connected with：
Mounting portion is formed with for coordinating to clamp the second clamping face of the working accessory with first clamping face.
3. power tool according to claim 2, it is characterised in that：
The clamping piece includes：
Forced section, the pressure for receiving ground in face of its application；
Wherein, it when the working accessory is bound to the clamping device, is parallel on the direction of the central axis on edge, institute
It states working accessory and is bound to the junction of the clamping device between the forced section and second clamping face.
4. power tool according to claim 2, it is characterised in that：
The clamping piece includes：
Forced section, the pressure for receiving ground in face of its application；
Wherein, it when the working accessory is bound to the clamping device, is parallel on the direction of the central axis on edge, institute
It states forced section and first clamping face is located at the homonymy that the working accessory is bound to the junction of the clamping device.
5. power tool according to claim 2, it is characterised in that：
The clamping piece is constituted with the output shaft and is rotatablely connected, and the axis that the clamping piece is rotated relative to the output shaft hangs down
Directly in the central axis.
6. power tool according to claim 1, it is characterised in that：
The clamping device includes：
Clamping piece is formed with the first clamping face；
The output shaft is formed or is connected with：
Mounting portion, for constituting cooperation with the clamping piece the working accessory is clamped；
Wherein, along being parallel in the central axial direction, the mounting portion have it is at least one apart from described prime mover most
Remote minimum point；
The clamping piece is parallel to the central axis on edge and is directed away from the direction of described prime mover relatively described minimum
Point protrusion.
7. power tool according to claim 1, it is characterised in that：
The clamping device includes：
Clamping piece is formed with the first clamping face；
The output shaft is formed or is connected with：
Mounting portion, for constituting cooperation with the clamping piece the working accessory is clamped；
Wherein, when the working accessory is bound between the clamping piece and the mounting portion, the center is parallel on edge
On axis direction, the working accessory has at least one minimum point farthest apart from described prime mover；
It is bound between the clamping piece and the mounting portion in the working accessory and the clamping device is in described second
When position, the clamping piece along be parallel to the central axis and be directed away from the direction of described prime mover it is relatively described most
Low spot protrudes.
8. a kind of swing class power tool, including：
Shell；
Prime mover is arranged in the shell；
Output shaft can be swung by the prime mover driven by axis of central axis；
Mounting device, for installing working accessory to the output shaft；
The mounting device includes：
Clamping piece, being constituted with the output shaft can be in the first position and the release working accessory for clamping the working accessory
The rotation connection moved between the second position；
Locking piece can at least be moved to the latched position for locking rotation of the clamping piece relative to the output shaft；
Elastic component, the elastic force that the clamping piece is moved from the second position to the first position can be made by generating one；
Wherein, it is located at the second position in the clamping piece and the working accessory is bound to the clamping piece and the output
When between axis, the clamping piece can be contacted by ground and can be triggered when ground applies pressure in face of it locking piece leave it is described
Latched position.
9. swing class power tool according to claim 8, it is characterised in that：
The clamping piece is formed with pilot hole, and the locking piece can slide along the pilot hole and make the clamping piece in sliding
It moves between the first position and the second position.
10. swing class power tool according to claim 9, it is characterised in that：
One end of the pilot hole is formed with：
Lock part locks the movement of the clamping piece when the locking piece moves to the lock part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017100091150 | 2017-01-06 | ||
| CN201710009115 | 2017-01-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108274435A true CN108274435A (en) | 2018-07-13 |
| CN108274435B CN108274435B (en) | 2020-12-01 |
Family
ID=62803188
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820023468.6U Active CN207888585U (en) | 2017-01-06 | 2018-01-05 | Power tool |
| CN201810009541.9A Active CN108274435B (en) | 2017-01-06 | 2018-01-05 | Power tool |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820023468.6U Active CN207888585U (en) | 2017-01-06 | 2018-01-05 | Power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN207888585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112008567B (en) * | 2019-05-29 | 2024-04-26 | 南京泉峰科技有限公司 | Electric tool |
| DE102019212297A1 (en) * | 2019-08-16 | 2021-02-18 | Robert Bosch Gmbh | Processing tool, in particular oscillation processing tool |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3603461A1 (en) * | 1986-02-05 | 1987-08-06 | Festo Kg | Locking device for a machine tool, in particular an electric hand machine tool |
| EP0319813A2 (en) * | 1987-12-08 | 1989-06-14 | C. & E. FEIN GmbH & Co. | Hand power tool using automatic locking of the working spindle |
| EP1180416A2 (en) * | 2000-08-16 | 2002-02-20 | C. & E. FEIN GmbH & Co.KG | Power tool with quick coupling means |
| CN201736205U (en) * | 2010-07-12 | 2011-02-09 | 苏州宝时得电动工具有限公司 | Power tool |
| CN103182704A (en) * | 2011-12-28 | 2013-07-03 | 苏州宝时得电动工具有限公司 | Power tool |
| CN103831791A (en) * | 2012-11-23 | 2014-06-04 | 南京德朔实业有限公司 | Attachment clamping mechanism and power tool with same |
| CN104742096A (en) * | 2013-12-27 | 2015-07-01 | 日立工机株式会社 | Powered working machine |
| CN205438466U (en) * | 2015-12-31 | 2016-08-10 | 南京德朔实业有限公司 | Power tool of ability quick detach annex |
| CN106475974A (en) * | 2015-08-31 | 2017-03-08 | 苏州宝时得电动工具有限公司 | Hand-held tool and its clamping device |
-
2018
- 2018-01-05 CN CN201820023468.6U patent/CN207888585U/en active Active
- 2018-01-05 CN CN201810009541.9A patent/CN108274435B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3603461A1 (en) * | 1986-02-05 | 1987-08-06 | Festo Kg | Locking device for a machine tool, in particular an electric hand machine tool |
| EP0319813A2 (en) * | 1987-12-08 | 1989-06-14 | C. & E. FEIN GmbH & Co. | Hand power tool using automatic locking of the working spindle |
| EP1180416A2 (en) * | 2000-08-16 | 2002-02-20 | C. & E. FEIN GmbH & Co.KG | Power tool with quick coupling means |
| CN201736205U (en) * | 2010-07-12 | 2011-02-09 | 苏州宝时得电动工具有限公司 | Power tool |
| CN103182704A (en) * | 2011-12-28 | 2013-07-03 | 苏州宝时得电动工具有限公司 | Power tool |
| CN103831791A (en) * | 2012-11-23 | 2014-06-04 | 南京德朔实业有限公司 | Attachment clamping mechanism and power tool with same |
| CN104742096A (en) * | 2013-12-27 | 2015-07-01 | 日立工机株式会社 | Powered working machine |
| CN106475974A (en) * | 2015-08-31 | 2017-03-08 | 苏州宝时得电动工具有限公司 | Hand-held tool and its clamping device |
| CN205438466U (en) * | 2015-12-31 | 2016-08-10 | 南京德朔实业有限公司 | Power tool of ability quick detach annex |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112847259B (en) * | 2019-11-26 | 2022-12-06 | 苏州宝时得电动工具有限公司 | Power tool and clamping device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108274435B (en) | 2020-12-01 |
| CN207888585U (en) | 2018-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207888585U (en) | Power tool | |
| CN102069474B (en) | There is the fastener driver that sky penetrates lock | |
| JP5463468B2 (en) | Infusion pump | |
| AU2011247859B2 (en) | Staple gun wire guide | |
| US20240075602A1 (en) | Fastener-driving tool including a reversion trigger with a damper | |
| US20060144888A1 (en) | Nail lockout assembly | |
| US8413865B2 (en) | Wire guide for an automatic staple gun | |
| US9446508B2 (en) | Stored energy stapler | |
| US20180274265A1 (en) | Rotary locking device | |
| CN102231467A (en) | Crimping tool head | |
| EP3469995A1 (en) | Surgical stapler | |
| JP4490972B2 (en) | Pliers that can be operated with one hand | |
| CN207436697U (en) | A kind of oblique latch Reversing structure | |
| AU2015202109B2 (en) | Motor-driven fastening tool | |
| US20160040450A1 (en) | Handle apparatus and return mechanism therein | |
| CN110292305B (en) | Rotary pressure cooker | |
| EP3263282A2 (en) | Fastening tool and method of removably retaining a magazine thereon | |
| CN106166730B (en) | The fastening element of handle for tool | |
| US6997087B2 (en) | Manually operated impact tool | |
| CN209261378U (en) | Lock body and its insurance institution | |
| KR102342861B1 (en) | Auxiliary handle used for power tool | |
| CN203973427U (en) | A kind of wrench of jaw translation | |
| EP1967325A1 (en) | Washer bending device | |
| JP2006231478A (en) | Countersinking device | |
| US6877783B2 (en) | Latch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: No. 529, Jiangjun Avenue, Jiangning Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |
|
| CP03 | Change of name, title or address |