CN103962817B - The operating method that work head is disassembled from power tool - Google Patents
The operating method that work head is disassembled from power tool Download PDFInfo
- Publication number
- CN103962817B CN103962817B CN201310034904.1A CN201310034904A CN103962817B CN 103962817 B CN103962817 B CN 103962817B CN 201310034904 A CN201310034904 A CN 201310034904A CN 103962817 B CN103962817 B CN 103962817B
- Authority
- CN
- China
- Prior art keywords
- output shaft
- locking member
- fastener
- actuator
- retainer
- 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.)
- Expired - Fee Related
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The present invention provides a kind of operating methods that work head is loaded and unloaded on to power tool, wherein the power tool includes：For install and drive work head work output shaft, the fastener for work head to be fixed on output shaft, the locking member move between locked position and releasing position, the movable actuator being arranged on the output shaft, wherein locking member be used for lock and discharge work head；Operating method includes the following steps：A) actuator is pressed, drives the locking member movement to discharge the fastener;B) work head is taken out.Operator is only needed to press actuator, fastener can so be removed from output shaft to release fasteners, improve the convenience of operation by driving locking member movement easily.
Description
Technical field
The present invention relates to a kind of operating methods disassembling work head from power tool.
Background technology
Work head in power tool, as saw blade is usually driven by the rotary output axis that the motor with power tool is connect
It is dynamic.In many cases, there are one the holes of the receiving output shaft at the center of passing through for saw blade.One end of saw blade is installed on output shaft
Equipped with internal thread.When installation, saw blade is placed on output shaft, passes through the hole on saw blade to extend into output shaft fastening bolt
In screw thread, then fastening bolt is tightened by spanner, to which saw blade to be fixed on output shaft；Likewise, passing through spanner
Unscrew fastening bolt, and tightening member is removed from output shaft can remove saw blade.It can be seen that work head is mounted on output
Traditional structure on axis operates very complicated and time-consuming and laborious.
Therefore, it is really necessary to provide a kind of improved power tool, to solve the above problems.
Invention content
Technical problem to be solved by the invention is to provide one kind can it is convenient and efficient by work head from power tool ejector
The operating method got off.
To solve the above-mentioned problems, the present invention provides a kind of operating method that work head is loaded and unloaded on to power tool, institutes
Stating power tool includes：Output shaft, for installing and work head being driven to work；Fastener, it is described for work head to be fixed on
On output shaft；Locking member moves between locked position and releasing position, for locking or discharging the fastener；Actuator,
It is movable to be arranged on the output shaft;The operating method includes the following steps：The actuator is pressed, the locking is driven
Part moves to discharge the fastener；The work head is taken out.
In disclosed operating method, operator is only needed to press actuator, driving locking member movement is to discharge
Fastener can so be removed from output shaft, improve the convenience of operation by fastener easily.
Preferably, in step a), the axis direction along the output shaft presses the actuator.
Preferably, in step a), the actuator drives the locking member to be tilted along the axis relative to the output shaft
Direction movement.
Preferably, the power tool includes the retainer that may be selected with locking member cooperation.
Preferably, the retainer coordinates along the axial direction of the output shaft with the locking member.
Preferably, spring is equipped between the retainer and the actuator.
Preferably, the retainer pushes the fastener under the action of spring.
Description of the drawings
Further detailed description is done to the present invention below in conjunction with the accompanying drawings.
Fig. 1 is the stereogram of power tool of the present invention.
Fig. 2 is the partial perspective view that power tool shown in FIG. 1 removes shell.
Fig. 3 is the stereogram exploded view of the fast fixture of power tool of the present invention.
Fig. 4 is the stereogram exploded view of another angle of the fast fixture of power tool of the present invention.
Fig. 5 is the partial perspective view of the fast fixture of power tool of the present invention, at this point, locking member does not clamp fastening
Part.
Fig. 6 is the partial perspective view of the fast fixture of power tool of the present invention, at this point, locking member grip fastener.
Fig. 7 is the sectional view of the fast fixture of power tool of the present invention, and actuator is in initial position at this time.Fig. 8
For the sectional view of the fast fixture of power tool of the present invention, locking member is in releasing position at this time.Fig. 9 is power of the present invention
The sectional view of the fast fixture of tool, at this time locking member be in locked position.Figure 10 is the another of power tool of the present invention
The stereogram of angle.
In figure：
30. 32. shell of small electric circular saw, 34. motor
36. 38. saw blade of transmission component, 40. output shaft
42. 44. rear of shell front, 46. housing central section
48. 49. switch of power cord, 50. fastener
52. 54. accepting hole of mounting portion, 56. centre bore
58. 60. connector of boss, 62. protrusion
64. 65. convex button of pressing plate, 66. bar portion
68. 70. free end of fixing end, 72. step
74. 76. locking member of bearing surface, 78. elastic element
80. 81. mounting base of retainer, 82. first Split seat
84. 86. installation set of the second Split seat, 88. first guiding face
90. 92. limiting slot of the second guiding face, 94. main body
96. 98. limit hole of through-hole, 100. locking face
102. 104. protrusion of limiting section, 106. confined planes
108. 110. guidance part of adjacent surface, 112. auxiliary section
114. 116. ontology of mating groove, 118. support portion
120. 124. spring of groove 122.U type grooves
126. 128. operation portion of actuator, 130. engaging section
132. 134. guide groove of guide part, 136. first field of conjugate action
138. second field of conjugate action, 139. threaded hole, 140. protective cover
142. hole
Specific implementation mode
The present invention relates to a kind of power tools, more particularly to by work head be mounted on power tool on structure and side
Method.Wherein power tool can be electric circular saw, small electric circular saw, oscillating machine, angle mill, diagonal cutting saw etc.；And work head can be one
Kind straight blade, can also be such as other attachmentes of saw blade, emery disc, scraper.
In the present embodiment, small electric circular saw is enumerated to illustrate the creating conception of the present invention.
It please refers to Fig.1 and Fig. 2, a kind of small electric circular saw 30, including shell 32, the motor 34 that is housed in shell 32 and horse
Drive up to 34 connections for the transmission component 36 of passing power, by transmission component 36 and be used to install the output shaft 40 of saw blade 38
（As shown in Figure 3）.In the description of the present invention, unless otherwise noted, direction term, such as front, back, left, right, up and inferior, all
It is the direction of the small electric circular saw relative to normal use, before the direction of advance for such as defining small electric circular saw is, before small electric circular saw
After being in the opposite direction into side etc..
The shell 32 includes in shell front 42, rear 44 and the shell of connection shell front 42 and rear 44
Portion 46.Housing central section 46 is handle grip portion herein, and certainly, handle grip portion can also be arranged at other positions of shell 32
Or it is separately provided.
Motor is motor 34 in the present embodiment, and power is transferred to output shaft 40 by motor 34 by transmission component 36,
To drive saw blade 38 to carry out cutting work.As well known to the skilled person, motor can also be air motor, hydraulic pressure
Motor etc..Motor 34 is contained in rear 44, and motor 34 is electrically connected with power cord 48 to may be connected to AC power
（It is not shown）On, certain motor 34 can also be to be powered by dc-battery.Small electric circular saw 30 further includes switch 49, switch 49
It is electrically connected the unlatching and stopping for being used for controlling motor 34 with motor 34.
As shown in Figure 3, output shaft 40 extends longitudinally, and has axis X.Pass through fastener 50 in one end of output shaft 40
Saw blade 38 is installed.Output shaft 40 includes the mounting portion 52 being coupled with saw blade 38 and the accepting hole 54 being longitudinally extended.
Centre bore 56 is offered on saw blade 38, output shaft 40 is equipped with the boss 58 coordinated with the centre bore 56.At this
In embodiment, the size of centre bore 56 is more than the size of boss 58.Therefore, small electric circular saw 30 is additionally provided with connector 60.Connector
It is set on 60 there are four cylindrical protrusion 62, for coordinating with four arc chord angles of centre bore 56.When installation, the four of connector 60
The protrusion 62 of a cylinder passes through mounting portion 52 and coordinates with four arc chord angles 6 of centre bore 5, to saw blade 38 is secured
Be mounted on output shaft 40 on while preferably deliver power.Certainly, it should be understood readily by those skilled in this art, boss 58
It can match in shape, size or both with centre bore 56 or mismatch.And the cross section of centre bore 56 can be very much
Kind shape, such as round, ellipse, triangle or abnormity.Equally, the cross section of boss 58 can also there are many kinds of shape,
Such as ellipse, triangle, polygon.
Fastener 50 is used to saw blade 38 being mounted on output shaft 40, and fastener 50 passes through the centre bore of saw blade 38
56, and then saw blade 38 is connected on the mounting portion 52 of output shaft 40.
For Fast Installation or dismounting saw blade 38, which is equipped with can be with Fast Installation or dismounting fastener 50
Fast fixture.
In the present embodiment, fastener 50 includes the pressing plate 64 being coupled with saw blade 38 and extends into the bar in accepting hole 54
Portion 66.The bottom surface of pressing plate 64 can be generally configured as taper.Convex button 65, person's pressing easy to operation are equipped on the bottom surface of pressing plate.
66 substantially cylindrical of bar portion.Certainly, 66 cross section of bar portion can be a variety of shapes, such as rectangle, ellipse.
Bar portion 66 includes the fixing end 68 being connect with pressing plate 64 and the free end being oppositely arranged 70.The end of free end 70 is
Tapering point.
Bar portion 66 is equipped with step 72 in the position close to free end 70, which, which is formed with, is approximately perpendicular to output shaft 40
Axis X bearing surface 74.In the present embodiment, the outer profile of bearing surface 74 is circle, and certain those skilled in the art hold very much
Readily understood, the outer profile of bearing surface 74 can be other a variety of shapes, such as connect shape, ellipse, triangle more.And taper
The specific effect at end 70 and bearing surface 74 can be described in detail later.
Refering to Fig. 3, fast fixture includes that can move locking member 76 between locked position and releasing position, be used for
Promote locking member 76 always towards the elastic element of locked position 78 and the optional retainer 80 coordinated with locking member 76.
Mounting base 81 is connected on output shaft 40.In the present embodiment, mounting base 81 includes 82 He of the first, second Split seat
84, wherein the second Split seat 84 is fixedly connected with output shaft 40.In the present embodiment, the second Split seat 84 is equipped with threaded hole, defeated
Shaft 40 is equipped with external screw thread in the other end far from mounting portion 52, in this way, output shaft 40 passes through screw-thread fit and the second Split seat
84 link together.It is of course also possible to pass through other installation sides well-known to those skilled in the art such as screw, rivet, welding
Output shaft 40 and the second Split seat 84 are fixed together by formula.
The outer sheath of mounting base 81, which is equipped with, has female installation set 86, and the second Split seat 84 is equipped with external screw thread（Not
Diagram）.The external screw thread of the internal thread of installation set 86 and the second Split seat 84 coordinates, thus by the first, second Split seat 82 and 84
It is fixed together.Certainly, external screw thread can be also arranged on the first Split seat 82.It is appreciated that mounting base 81 can also
For a single entirety；Or constitute a single entirety with output shaft 40；Or pass through other of bolt, screw, rivet etc.
Mounting means known to field technology personnel is fixed together with output shaft 40.
The guide channel coordinated with locking member 76 is equipped in mounting base 81（Non- label）.Locking member 76 moves in guide channel,
Realization is converted between locked position and releasing position.
First Split seat 82 is equipped with the first guiding face 88 coordinated with locking member 76.Herein, 88 phase of the first guiding face
The axis X of output shaft 40 is obliquely installed.
As shown in figure 4, the second Split seat 84 is equipped with the second guiding face 90 coordinated with locking member 76, equally, second leads
The axis X for drawing face 90 relative to output shaft is obliquely installed.
And when the first, second Split seat 82 and 84 is fixed together, the first guiding face 88 and the second guiding face 90
Between formed with locking member 76 coordinate guide channel.Thus, guide channel is obliquely installed relative to the axis X of output shaft.
The limiting slot 92 of receiving retainer 80 is equipped in mounting base 81.Preferably, the extending direction of limiting slot 92 and output
The axis X of axis is arranged in parallel.Certainly, it should be understood readily by those skilled in this art, the extending direction of limiting slot 92 can also be opposite
It is obliquely installed in the axis X of output shaft 40.
Locking member 76 is process by rigid, is installed in mounting base 81, and is located at the first, second Split seat
In 82 and 84 spaces formed.Locking member 76 includes being equipped with for bearing surface 74 in the main body 94 substantially at U-shaped main body 94
The 74 impenetrable limit hole 98 of through-hole 96 and bearing surface passed through.Wherein through-hole 96 and limit hole 98 is located at main body 94
Both ends are simultaneously interconnected.Through-hole 96 can match with the outer profile of bearing surface 74, can not also be with the outer profile of bearing surface 74
Match, need to only be slightly larger than the outer profile of bearing surface 74.And in the present embodiment, through-hole 96 is broadly square.With through-hole 96
The limit hole 98 being connected is rectangle, and width is slightly less than the length of side of through-hole 96.
The locking face 100 to lean with bearing surface 74 is formed on the surface of main body 94.Through-hole 96 is opened in the locking
On face 100.
Refering to Fig. 5, when locking member 76 is located at releasing position, through-hole 96 and the accepting hole 54 on output shaft 40（It is not shown）
Alignment, for the bearing surface 74 on fastener 50 also cross through-hole 96 and accepting hole 54；Refering to Fig. 6, locking member 76 is located at lock
When tight position, promote through-hole 96 to be staggered with the accepting hole 54 on output shaft 40 since locking member 76 is moved radially outward, and limits
Hole 98 is at least partly aligned with accepting hole 54, since limit hole 98 is relatively narrow, cannot be passed through by the bearing surface 74 on fastener 50,
And under the action of elastic element 78, the locking face 100 on locking member 76 coordinates with bearing surface 74, to which locking member 76 will fasten
Part 50 is locked on output shaft 40.Bar portion 66 includes the limiting section 102 being connect with step 72, which may pass through limit
Hole 98.
The end that one end of through-hole 96 is arranged in autonomous agent 94 extends radially outwardly symmetrical two protrusions 104.Protrusion
104 include and 74 vertically disposed confined planes 106 of bearing surface.Confined planes 106 are formed with the adjacent surface 108 in mounting base 81 and are accommodated
The space of elastic element 78.That is, one end of elastic element 78 is resisted against on confined planes 106, the other end is resisted against adjoining
On face 108.
Referring back to Fig. 4, locking member 76 is equipped with guidance part compatible with guide channel 110.Certainly, guide channel may also set up
On locking member 76, guidance part 110 is arranged in mounting base 81.
Guidance part 110 is arranged in the both sides of through-hole 98, and the extending direction of guidance part 100 is tilted relative to locking face 100
Setting.As a result, when locking member 76 moves, the upper and lower surface of guidance part 100 is pasted with the first, second guiding face 88 and 90 respectively
It closes so that guidance part 100 can be in guide channel along the axis X inclination movement relative to output shaft.Certainly, people in the art
What member was understood, herein, the moving direction of locking member 76 can also be perpendicular to the axis X of output shaft 40.
Retainer 80 is process by rigid, is movably housed in limiting slot 92, so that stop
Part 80 is movably mounted on output shaft 40, and can be along the axial movement of output shaft 40.Certainly, such as those skilled in the art institute
Understand, the moving direction of retainer 80 can tilt or be vertically arranged relative to the axis X of output shaft 40.
Retainer 80 selectively coordinates with locking member 76.One of retainer 80 and locking member 76 are equipped with cooperation
Slot, another in retainer 80 and locking member 76 are equipped with the matched auxiliary section in auxiliary section.
In the present embodiment, auxiliary section 112 is arranged on retainer 80, and mating groove 114 is arranged on locking member 76.Cooperation
Slot 114 is axially extending along output shaft 40.
Retainer 80 includes ontology 116, is each extended over from the upper and lower surface of ontology 116 there are two auxiliary section 112 and two
Support portion 118.The substantially sheet of ontology 116, being equipped with can be with 50 matched groove 120 of fastener, the wherein groove 120
The shapes such as semicircle or arc.When installation, semicircle or arc groove 120 is towards the through-hole 96 on locking member 76.In this way, working as
Tapering point 70 is matched with groove 120 so that it is more stable that fastener 50 pushes retainer 80 to move.
Two auxiliary sections 112 are extended axially downward from the lower surface of ontology 116, and center symmetric setting.Work as cooperation
Portion 112 is contained in mating groove 114, and retainer 80 prevents locking member 76 from moving, and locking member 76 is located at releasing position；Work as auxiliary section
112 disengagements coordinate with mating groove 114, and retainer 80 can not prevent locking member 76 from moving, work of the locking member 76 in elastic element 78
It is moved to locked position under.Herein, elastic element 78 can be compression spring, torsional spring etc..
Two support portions 118 are extended axially upward from the upper surface of ontology 116, and same center symmetric setting.Support
There is U-type groove 122 in portion 118, is used for partial receipt spring 124.The spring 124 is for promoting retainer 80 and locking member
76 cooperations.
In conclusion in releasing position, retainer 80 coordinates with locking member 76, and fastening can be removed from output shaft 40
Part 50, so as to fast quick-detach saw blade 38；During releasing position to locked position, fastener 50 pushes retainer
80, promote retainer 80 to disengage the cooperation with locking member 76, locking member 76 is moved to locking position under the action of elastic element 78
It sets；In locked position, bar portion 66 is clamped on output shaft 40, and saw blade 38 is clamped between mounting portion 52 and pressing plate 64,
And then it can be with Fast Installation saw blade 38.So as to without external auxiliary tool, rapidly replace saw blade
38。
Referring again to Fig. 3, locking member 76 is converted from locked position to releasing position in order to more convenient, small electric circular saw also wraps
Include the actuator 126 for promoting locking member 76 to move.By operating actuator 126, locking member 76 can be moved to by locked position
Releasing position, and then fastener 50 can be removed out of output shaft 40.
Actuator 126 is movable to be arranged in mounting base 81, and locking member 76 can be driven along the axis X relative to output shaft 40
The direction movement tilted.
Actuator 126 includes the operation portion 128 operated for operator, 130 and of engaging section being connected on operation portion 128
Guide part 132.Wherein guide part 132 is matched with the guide groove 134 in mounting base 81 so that actuator 126 in activation point and
It is moved between initial position, wherein the extending direction of guide groove 134 is parallel with the axial direction of output shaft 40.In this way, actuator 126 can
Operatively along the axial movement of output shaft 40.Certainly, actuator 126 can also be inclined along the axis X relative to output shaft 40
Direction is mobile or is arranged in mounting base 81 by modes such as rotations.
Engaging section 130 includes first field of conjugate action 136 of axially inclined setting.When 126 activity of actuator, nibbled by first
Conjunction face 136 drives locking member 76 to move.
Locking member 76 is equipped with second field of conjugate action 138 to match with first field of conjugate action 136（As shown in Figure 4）, second nibbles
Conjunction face 138 is obliquely installed relative to the axis X of output shaft 40.
Press driving portion 126 so that first field of conjugate action 136 is meshed with second field of conjugate action 138, to drive locking member 76
Releasing position is moved to by locked position.
Refering to Fig. 7, in the present embodiment, spring 124 is arranged between retainer 80 and actuator 126.Therefore, spring
124 spring force promotes actuator 126 to be always located in initial position；Promoting retainer 80 simultaneously, direction is nibbled with locking member 76 always
The position of conjunction.Certainly, two springs can also be arranged in small electric circular saw 30, the two springs promote actuator 126 to be located at just respectively
Beginning and promotes retainer 80 always towards the position engaged with locking member 80 at position.
With reference to Fig. 8 and Fig. 9, to describe the locking of present embodiment saw blade 38 and release process.Actuator 126 can
Driving locking member 76 is converted to releasing position from locked position, and in locked position, fastener 50 is clamped by locking member 76, to
Saw blade 38 is firmly secured on output shaft 40；At releasing position, 50 loosening fasteners 50 of locking member make fastener 50
It can be removed out of output shaft 40, to remove saw blade 38.Therefore, which can be without external auxiliary tool
In the case of, rapidly replace saw blade 38.
As shown in figure 8, locking member 76 is in releasing position at this time.In this position, under the action of spring 124, stop
Part 80 coordinates with locking member 76.I.e. under the action of spring 124, the auxiliary section 112 on retainer 80 is fastened on locking member 76
Mating groove 114 in.And at this point, the through-hole 96 on locking member 76 and the accepting hole 54 on output shaft 40 are substantially aligned.Locking member
Locking face 100 on 76 is disengaged from fastener 50.At this moment, locking member 76 is in release fasteners 50, and then can will fasten
Part 50 is removed out of locking member 76, so as to remove saw blade 38.
It may be noted that above-mentioned releasing position is to operate the movement of actuator 126 by external force to promote locking member 76 to move
It moves to releasing position.At releasing position, although having cancelled external force, due to the effect of spring 124, actuator 126 returns back to
Initial position；The card of auxiliary section 112 on retainer 80 is set in the mating groove 114 on locking member 76, so that locking member 76
It is maintained at releasing position.
Before fastener 50 is installed into output shaft 40, saw blade 38 is first mounted on to the mounting portion 52 of output shaft 40
Between pressing plate 64.Saw blade 38 can be mounted on the mounting portion 52 of output shaft 40, then pass through fastener 50 first
The centre bore 56 of saw blade 38, then stretch into the accepting hole 54 of output shaft 40；Fastener 50 can also be passed through saw blade 38
Centre bore 56, then stretch into the accepting hole 54 of output shaft 40.
When needing locking, user passes through the convex button 65 in touch fastener 50（See Fig. 3）, the free end of fastener 50
70 coordinate with the groove 120 of retainer 80, and retainer 80 is promoted to overcome the axis of elasticity of spring 124 to moving up certain distance, until
Auxiliary section 112 on retainer 80 is detached from the cooperation with the mating groove 114 on locking member 76.In the moving process of retainer 80
In, axial movement of the retainer 80 along output shaft 40.
As shown in figure 9, and the auxiliary section 112 on the retainer 80 is detached from the cooperation with the mating groove 114 on locking member 76,
Locking member 76 then moves under the action of elastic element 78 and bar portion 66 is clamped.
It may be noted that during locking, axis of the locking member 76 under the action of elastic element 78 relative to output shaft 40
Line X inclination movements；Under the action of elastic element 78, the movement of locking member 76 promotes through-hole 96 and the accepting hole on output shaft 40
54 are staggered, and then the limiting section 102 on fastener 50 is made to be located in limit hole 98.Under elastic element 78 further effect, lock
Locking face 100 on tight part 76 is engaged with the bearing surface 74 of fastener 50, and fastener 50 is clamped by locking member 76, to justify
Saw blade 38 is fixed between mounting portion 52 and pressing plate 64.
It may be noted that in above-mentioned locked position, axis X of the locking face 100 substantially with output shaft 40 is vertically arranged.
It may be noted that in above-mentioned locked position, 80 compressed spring 124 of retainer.Retainer 80 is opposite with bearing surface 74
Ledge surface under the action of, be maintained at and the non-position engaged of locking member 76.
It may be noted that in the present embodiment, the moving direction of locking member 76 and the axis X extending direction phase of output shaft 40
To being obliquely installed, it is not vertically arranged.This is because small electric circular saw 30 can install different brands, different model annular saw
Piece, and the thickness of saw blade in this way is bound to disunity.Therefore, it is obliquely installed, the thickness disunity due to saw blade can be eliminated
And the axial gap brought.As a result, it will be appreciated by those skilled in the art that, can also be by the way that inclined surface and fastener be arranged
Bearing surface coordinates to eliminate the axial gap brought due to the thickness disunity of saw blade.Certainly, if the shifting of locking member 76
Dynamic direction and the extending direction of the axis X of output shaft 40 are vertically arranged, which can also fix certain thickness annular saw
Piece.
More than, be described in detail the clamping process of the small electric circular saw of present embodiment 30, release process then with clamping process
On the contrary.When needing to dismantle saw blade 38 from output shaft 40, only need to by the driving portion 128 of Manual press actuator 126,
Compressed spring 124 makes actuator 126 along the axial movement for being parallel to output shaft 40.Actuator 126 is in moving process, and
One field of conjugate action 136 is engaged with second field of conjugate action 138 on locking member 76, and then locking member 76 is driven to move.Locking member 76 is right
When mounting base 81 moves, locking face 100 is disengaged to be engaged with bearing surface 74, and through-hole 96 be moved to it is substantially right with accepting hole 54
Neat position, to release fasteners 50.Retainer 80 axially moves down, under the elastic force effect of spring 124 due to retainer 80
Groove 120 and free end 70 coordinate, therefore, fastener 50 can be driven, finally fastener 50 be released out of output shaft centainly
Distance, so as to which fastener 50 to be easily popped out out of output shaft；Meanwhile retainer 80 axially moves down, until auxiliary section
112 coordinate with mating groove 114, and then retainer 80 prevents locking member 76 from moving, and locking member 76 is located at releasing position.
Herein it may be noted that as shown in figure 9, in the present embodiment, accepting hole 54 is equipped with close to one end of saw blade 38
Threaded hole 139.If it is screwed fastening bolt or screw that fastener, which changes into,.When installing saw blade 38, it is only necessary to will
Fastener pass through saw blade 38 on centre bore 56 and with 139 screw-thread fit of threaded hole, saw blade 38 can also be fixed on defeated
On shaft 40.
Referring to Fig. 10, being equipped with protective cover 140 on shell front 42.Protective cover 140 includes generally circular hole
142.The hole 142 can be closing or semiclosed, for accommodating actuator 126.To avoid user's maloperation actuator
126；Or since the placement of small electric circular saw 30 is actuated actuator 126 on the table.
The present invention is not limited to aforementioned embodiments, those skilled in the art may be used also under the enlightenment of the technology of the present invention marrow
Other changes can be made, but as long as the function and the present invention of its realization are same or similar, the scope of the present invention should all be covered by
It is interior.
Claims (7)
1. a kind of operating method disassembling work head from power tool, which is characterized in that
The power tool includes：
Output shaft, for installing and work head being driven to work；
Fastener, for work head to be fixed on the output shaft；
Locking member moves between locked position and releasing position, for locking or discharging the fastener；
Actuator, it is movable to be arranged on the output shaft;
The operating method includes the following steps：
A) actuator is pressed, drives the locking member movement to discharge the fastener；
B) work head is taken out.
2. operating method according to claim 1, it is characterised in that：In step a), along the axis direction of the output shaft
Press the actuator.
3. operating method according to claim 1, it is characterised in that：In step a), the actuator drives the locking
Part is moved along the inclined direction of axis relative to the output shaft.
4. operating method according to claim 1, it is characterised in that：The power tool includes that may be selected and the locking
The retainer of part cooperation.
5. operating method according to claim 4, it is characterised in that：Axial direction and institute of the retainer along the output shaft
State locking member cooperation.
6. operating method according to claim 4, it is characterised in that：It is equipped between the retainer and the actuator
Spring.
7. operating method according to claim 6, it is characterised in that：The retainer pushes under the action of the spring
The fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310034904.1A CN103962817B (en) | 2013-01-30 | 2013-01-30 | The operating method that work head is disassembled from power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310034904.1A CN103962817B (en) | 2013-01-30 | 2013-01-30 | The operating method that work head is disassembled from power tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103962817A CN103962817A (en) | 2014-08-06 |
| CN103962817B true CN103962817B (en) | 2018-08-07 |
Family
ID=51233079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310034904.1A Expired - Fee Related CN103962817B (en) | 2013-01-30 | 2013-01-30 | The operating method that work head is disassembled from power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103962817B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88211472U (en) * | 1988-03-02 | 1988-12-28 | 上海一易初摩托车有限公司 | Tool fitting and detaching device |
| JPH05183300A (en) * | 1991-09-06 | 1993-07-23 | Komatsu Giken Kk | Electronic parts mounting robot and mounting method |
| CN1893009A (en) * | 2005-07-07 | 2007-01-10 | 松下电器产业株式会社 | Component mounting apparatus and component mounting method |
| CN101258338A (en) * | 2005-09-07 | 2008-09-03 | 布莱克和戴克公司 | Power tool with interchangeable blades and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6606774B2 (en) * | 2001-10-25 | 2003-08-19 | Abb, Inc. (Flexible Automation Division) | Combination tool for robot assisted assembly |
-
2013
- 2013-01-30 CN CN201310034904.1A patent/CN103962817B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88211472U (en) * | 1988-03-02 | 1988-12-28 | 上海一易初摩托车有限公司 | Tool fitting and detaching device |
| JPH05183300A (en) * | 1991-09-06 | 1993-07-23 | Komatsu Giken Kk | Electronic parts mounting robot and mounting method |
| CN1893009A (en) * | 2005-07-07 | 2007-01-10 | 松下电器产业株式会社 | Component mounting apparatus and component mounting method |
| CN101258338A (en) * | 2005-09-07 | 2008-09-03 | 布莱克和戴克公司 | Power tool with interchangeable blades and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103962817A (en) | 2014-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106475975B (en) | Hand-held tool and clamping device thereof | |
| US20110185581A1 (en) | Compact circular saw | |
| CN110434400A (en) | A kind of reciprocating saw saw blade mounting device and reciprocating saw | |
| US10076832B2 (en) | Accessory system for a power tool | |
| EP2759377B1 (en) | Power tool with spindle lock | |
| EP3383163B1 (en) | Blade arrangement for hand-held power tool | |
| GB2276587A (en) | Power operated sword-type saw | |
| EP3216573B1 (en) | Power tool with toolless blade release mechanism | |
| JP2017164830A (en) | Chain Decomposer | |
| JP7053212B2 (en) | Coupler for long ruler | |
| CN103962817B (en) | The operating method that work head is disassembled from power tool | |
| US20110318999A1 (en) | Hand Tool Protection Device | |
| CN103963024B (en) | Power tool | |
| CN113211553A (en) | Integrated chain saw cutting system convenient for saw chain installation and chain saw | |
| CN104626023B (en) | Quick-clamping adjustable ratchet wrench | |
| CN103962818B (en) | Work head is loaded and unloaded on the operational approach of power tool | |
| CN202006444U (en) | Compression positioner for assembling | |
| CN202241200U (en) | Handheld power tool | |
| JPH0847866A (en) | Driving device for fixing means | |
| CN209887422U (en) | Spring clip | |
| CN207495418U (en) | Work head fixed mechanism and electric tool | |
| CN111590496A (en) | Screw clamping device installed on screwdriver | |
| CN108928174B (en) | Tool bar spanner of ultrasonic engraving machine | |
| CN113977475B (en) | Quick locking device and locking method for accessory tool | |
| CN216803221U (en) | Clamping tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20210130 |