CN104526653B - Fastening device and multifunctional machine with same - Google Patents
Fastening device and multifunctional machine with same Download PDFInfo
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- CN104526653B CN104526653B CN201410790444.XA CN201410790444A CN104526653B CN 104526653 B CN104526653 B CN 104526653B CN 201410790444 A CN201410790444 A CN 201410790444A CN 104526653 B CN104526653 B CN 104526653B
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- output shaft
- securing member
- pressure cap
- head
- polished rod
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- 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
- B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a fastening device and a multifunctional machine with the fastening device. The multifunctional machine comprises a machine body, an output shaft and a fastener, wherein the output shaft is arranged on the head of the machine body and used for installing a working head and driving the working head to rotate and swing, and the fastener compresses and installs the working head on the output shaft. The multifunctional machine and the fastening device comprise a compressing mechanism and a releasing mechanism. The compressing mechanism enables the fastener to move upwards so that the fastener can compress a saw blade on the output shaft. The releasing mechanism is arranged on the head of the machine body and can press down the fastener, so that the fastener does not compress the saw blade any more, and the saw blade is disengaged from the output shaft. Compared with the prior art, the structure is simple, clamping is reliable, the working head can be conveniently and rapidly installed and removed, and meanwhile the cost is low.
Description
Technical field
The present invention relates to a kind of Multi Role Aircraft, further relate to a kind of for work head is installed the clamp device to Multi Role Aircraft.
Background technology
Multi Role Aircraft is the swing class power tool of the common hand-held of industry, and its operation principle is output shaft does rotational oscillating motion around self axial line, thus drives the adnexa work head oscillating motion being arranged on output shaft end.Common adnexa work head includes straight blade, saw blade, triangle frosted dish and spade-type scraper etc..Therefore, after user is provided with different adnexa work heads on output shaft, it is possible to achieve multiple different operating function, as sawed, cut, grind, scraping, to adapt to different work requirements.
The work head kind that Multi Role Aircraft uses is more, needs the head that the most more changes jobs in use, and in prior art, the mounting structure of saw work head is more complicated, and less reliable, and that causes that work head mounts and dismounts is loaded down with trivial details, reduce work efficiency, improve use cost.Great majority use mounting means at present, are by using inner hexagon spanner by screw-driving, having and install slow and install blade uneasiness congruence shortcoming.
Summary of the invention
The present invention is directed to deficiency of the prior art, it is provided that a kind of clamp device and the Multi Role Aircraft of this clamp device of application, simple in construction, fasten reliable clamping, it is possible to conveniently installation and removal work head, cost is relatively low simultaneously.
nullFor solving above-mentioned technical problem，The present invention adopts the following technical scheme that a kind of Multi Role Aircraft，Can adaptive multiple work head，Described Multi Role Aircraft includes body，Be arranged at the head of described body and for installment work head the output shaft that drives work head rotary oscillation，And work head compression is arranged on the securing member on described output shaft，Described output shaft is hollow tube-shape and is provided with the through hole passed for described securing member，Described Multi Role Aircraft includes hold-down mechanism and relieving mechanism，Described output shaft is provided with and makes described securing member move upward so that saw blade is pressed on the described hold-down mechanism on described output shaft by described securing member，Described body head is arranged over described securing member to be made no longer to compress saw blade the pressure of described securing member so that saw blade departs from the described relieving mechanism of described output shaft at described securing member.
Preferably, described securing member includes polished rod and is arranged at described output shaft lower end and the diameter big footpath bulge loop more than described polished rod, described hold-down mechanism includes pressure cap, locating part, spring and shaft-cup, described pressure cap is arranged with described polished rod, described spring is arranged between described pressure cap and described output shaft intracavity bottom, described pressure cap is provided with one or more Place hole, described Place hole is provided with described locating part, it is provided with pit on described polished rod, described locating part is moveable in described pit thus limits the motion of described polished rod, the most through blind hole coordinated with described pressure cap it is provided with in described shaft-cup, described blind-hole bottom is provided with bellmouth, described locating part is moveable in described bellmouth and leaves described pit thus no longer limit the motion of described polished rod.
Preferably, described relieving mechanism includes push rod and eccentric handle, described eccentric handle includes the eccentric head of front end and is arranged at the hands handle of rear end, described eccentric head passes through pin-hinges on body, described eccentric head front end is semicircular structure, described pin is through the described eccentric semicircle home position of head deviation, described push rod is arranged at inside and the top of described pressure cap of described axle cap, described eccentric head may act on described push rod after described pin rotates so that described push rod is downwardly against on described pressure cap and can press under continuing leaves described pit so that locating part and move in described bellmouth.
Preferably, described pressure cap includes cylindrical body and is arranged at the outer annular flanges of outer circumferential sides of described cylindrical body, described output shaft lower end inner circumferential side is provided with inner annular flange, described inner annular flange is provided with anti-slipping mechanism, between described outer annular flanges and described inner annular flange, is provided with described spring.
Preferably, being provided with several projections bottom described output shaft, several protruding and described big footpath bulge loops described coordinate the upper and lower surface being adjacent at work head that work head can be moved with described output shaft.
Compared with prior art, the present invention utilizes hold-down mechanism that the big footpath bulge loop of securing member is pressed on the lower end of output shaft, so that the work head being installed on this can be tightly pressed at the lower end of output shaft and follow that output shaft transhipment is dynamic realizes work functions.The power that hold-down mechanism is huge, comes from the spring being installed in output shaft.After installation of the present invention, spring is in confined state, so spring can produce huge elastic force, acts in the outer annular flanges of pressure cap, so that pressure cap moves upward.This causes the locating part being installed in Place hole to leave in bellmouth entering in the pit on polished rod, and locating part is because pressure cap effect upwards can produce active force upwards to pit, this active force is through transmission, securing member will be made to have huge active force upwards, the big footpath bulge loop thus achieving securing member is pressed on the lower end of output shaft, the most just by work head clamping on output shaft, and work head can be made can to follow output shaft move together.
The present invention solves the technical scheme that another technical problem is used: a kind of clamp device, for work head being assembled to a kind of Multi Role Aircraft, described Multi Role Aircraft includes body, with be arranged at the head of described body and for installment work head the output shaft that drives work head rotary oscillation, and work head compression is arranged on the securing member on described output shaft, described output shaft is hollow tube-shape and is provided with the through hole passed for described securing member, described clamp device includes hold-down mechanism and relieving mechanism, described securing member can be made to move upward for wherein said hold-down mechanism so that saw blade is pressed on described output shaft by described securing member；Described relieving mechanism is arranged at described body head and described securing member can be made no longer to compress saw blade the pressure of described securing member so that saw blade departs from described output shaft.
Preferably, described securing member includes polished rod and is arranged at described output shaft lower end and the diameter big footpath bulge loop more than described polished rod, described hold-down mechanism includes pressure cap, locating part, spring and shaft-cup, described pressure cap is arranged with described polished rod, described spring is arranged between described pressure cap and described output shaft intracavity bottom, described pressure cap is provided with one or more Place hole, described Place hole is provided with described locating part, it is provided with pit on described polished rod, described locating part is moveable in described pit thus limits the motion of described polished rod, the most through blind hole coordinated with described pressure cap it is provided with in described shaft-cup, described blind-hole bottom is provided with bellmouth, described locating part is moveable in described bellmouth and leaves described pit thus no longer limit the motion of described polished rod.
Preferably, described pressure cap includes cylindrical body and is arranged at the outer annular flanges of outer circumferential sides of described cylindrical body, described output shaft lower end inner circumferential side is provided with inner annular flange, described inner annular flange is provided with anti-slipping mechanism, between described outer annular flanges and described inner annular flange, is provided with described spring.
Compared with prior art, the present invention utilizes hold-down mechanism that the big footpath bulge loop of securing member is pressed on the lower end of output shaft, so that the work head being installed on this can be tightly pressed at the lower end of output shaft and follow that output shaft transhipment is dynamic realizes work functions.The power that hold-down mechanism is huge, comes from the spring being installed in output shaft.After installation of the present invention, spring is in confined state, so spring can produce huge elastic force, acts in the outer annular flanges of pressure cap, so that pressure cap moves upward.This causes the locating part being installed in Place hole to leave in bellmouth entering in the pit on polished rod, and locating part is because pressure cap effect upwards can produce active force upwards to pit, this active force is through transmission, securing member will be made to have huge active force upwards, the big footpath bulge loop thus achieving securing member is pressed on the lower end of output shaft, the most just by work head clamping on output shaft, and work head can be made can to follow output shaft move together.
Preferably, described output shaft lower end is provided with anti-slipping mechanism, and described anti-slipping mechanism includes the seal groove being arranged at described output shaft lower end, and the sealing ring being installed in described seal groove, and the internal diameter of described sealing ring is less than the external diameter of described polished rod.
Preferably, the end of described push rod is provided with the diameter bulge loop more than described putter body diameter, is provided with back-moving spring between described bulge loop and described shaft-cup, and described Place hole is provided with limiting section.
Present configuration is simple, practical, and failure rate is low fastens reliable clamping, it is possible to conveniently installation and removal work head, cost is relatively low simultaneously.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is shaft cover structure schematic diagram of the present invention.
Fig. 3 is pusher structure schematic diagram of the present invention.
Fig. 4 is pressure cap structural representation of the present invention.
Fig. 5 is fastener constructions schematic diagram of the present invention.
Fig. 6 is output shaft structural representation of the present invention.
Fig. 7 is present configuration explosive view.
Fig. 8 is the structure chart after assembly work head of the present invention.
Detailed description of the invention
nullWith detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings: as shown in Figures 1 to 8，A kind of Multi Role Aircraft，Can adaptive multiple work head，Described Multi Role Aircraft includes body，Be arranged at the head of described body and for installment work head the output shaft 1 that drives work head rotary oscillation，And work head compression is arranged on the securing member 2 on described output shaft 1，Described output shaft 1 is hollow tube-shape and is provided with the through hole passed for described securing member 2，Described Multi Role Aircraft includes hold-down mechanism and relieving mechanism，Described output shaft 1 is provided with and makes described securing member 2 move upward so that saw blade is pressed on the described hold-down mechanism on described output shaft 1 by described securing member 2，Described body head is arranged over described securing member 2 to be made no longer to compress saw blade the pressure of described securing member 2 so that saw blade departs from the described relieving mechanism of described output shaft 1 at described securing member 2.The Multi Role Aircraft of the present invention, work head tightly can be pressed in the lower end of output shaft and make it follow output shaft motion to realize work functions by the hold-down mechanism of setting.Output shaft 1 it is set to hollow tube-shape and is provided with through hole, this makes it possible to be arranged in output shaft hold-down mechanism, saving space, also ensure that compression quality.
nullDescribed securing member 2 includes polished rod 21 and is arranged at described output shaft 1 lower end and the diameter big footpath bulge loop 22 more than described polished rod 21，Described hold-down mechanism includes pressure cap 3、Locating part 7、Spring 6 and shaft-cup 5，Described pressure cap 3 is arranged with described polished rod 21，Described spring 6 is arranged between described pressure cap 3 and described output shaft 1 intracavity bottom，Described pressure cap 3 is provided with one or more Place hole 33，Described Place hole 33 is provided with described locating part 7，It is provided with pit 23 on described polished rod 21，Described locating part 7 is moveable in described pit 23 thus limits the motion of described polished rod 21，The most through blind hole 51 coordinated with described pressure cap 3 it is provided with in described shaft-cup 5，Described blind hole 51 bottom is provided with bellmouth 52，Described locating part 7 is moveable in described bellmouth 52 and leaves described pit 23 thus no longer limit the motion of described polished rod 21.
Described relieving mechanism includes push rod 4 and eccentric handle 8, described eccentric handle 8 includes the bias 81 of front end and is arranged at the handle 82 of rear end, described bias 81 is articulated with on body by pin 83, described bias 81 front end is semicircular structure, described pin 83 is through the semicircle home position of described bias 81 deviation, described push rod 4 is arranged at inside and the top of described pressure cap 3 of described axle cap 5, described bias 81 may act on described push rod 4 after described pin 83 rotates so that described push rod 4 is downwardly against on described pressure cap 3 and can press under continuing leaves described pit 23 so that locating part 7 and move in described bellmouth 52.
Described pressure cap 3 includes cylindrical body 31 and is arranged at the outer annular flanges 32 of outer circumferential sides of described cylindrical body 31, described output shaft 1 lower end inner circumferential side is provided with inner annular flange 12, described inner annular flange 12 is provided with anti-slipping mechanism, between described outer annular flanges 32 and described inner annular flange 12, is provided with described spring 6.
So arranging, the present invention can be realized as quick-clamping function.Installment work head when, eccentric handle 8 to be overturn so that eccentric 81 rotates, be pressed on push rod 4 and make to press under it.Pressure cap will be pressed for 3 times by 4 times pressures of push rod, and so, locating part 7 also can move down therewith.Last eccentric handle 8 is totally turned over, and eccentric 81 rotates 180 degree, and now push rod 4 strikes the beam extreme lower position.When locating part 7 moves to move at bellmouth 52 at the plane of bellmouth 52 place, and now, locating part 7 has the biggest movable space.Steel ball original paper can be used as locating part 7.Work head on open market, is provided with and is available for the macropore that the polished rod 21 of securing member 2 passes, and is arranged on securing member 2 by work head, and the securing member 2 that then will be equipped with work head inserts among pressure cap 3, is pushed into all the way up and cannot move.Now, the end of the push rod 4 being pressed down has been pushed up on the top of polished rod 21.Then eccentric handle 8 it is rotated further by so that eccentric 81 push rod 4 that comes up is pressed down, so namely the pressure that acts on pressure cap 3 slowly reduces.Now, pressure cap 3 under the elastic force effect of spring 6 slowly on move because the help of bellmouth 52 structure, during locating part 7 moves on gradually, gradually can draw close to polished rod 21, finally will enter in pit 23.The pressure cap 3 wall thickness at Place hole 33 is less than locating part 7 namely the diameter of steel ball, so, in place, Place hole 33 horizontal level enters the blind hole 51 of shaft-cup 5, locating part 7 is the most just extruded in pit 23 by blind hole 51, thus realizes locating part 7 function to be realized.Locating part 7 withstands on pit 23 surface, and continues up, thus drives and move on securing member 2.When the work head being arranged on securing member 2, contact with output shaft 1, and when being close on output shaft to continue move, this device just installs.Spring 6 in the present invention uses the length under stage clip, and its naturalness to be more than the length after the present invention installs, and so, stage clip just can provide sufficiently large power, by pressure cap 3 upwardly.So that the movement limiting polished rod 21 that locating part 7 is tightly.The present invention can change different springs 6, so that the scope of application of the present invention is expanded according to different use requirements.
The method and steps that the present invention pulls down work head is completely contrary with when installing.As long as rotating eccentric handle 8 so that eccentric 81 rotates, be pressed on push rod 4 and make to press under it.Pressure cap will be pressed for 3 times by 4 times pressures of push rod, and so, locating part 7 also can move down therewith.Last eccentric handle 8 is totally turned over, and eccentric 81 rotates 180 degree, and now push rod 4 strikes the beam extreme lower position.When locating part 7 moves to move at bellmouth 52 at the plane of bellmouth 52 place, and now, locating part 7 has the biggest movable space.Now, it becomes possible to taken out easily by securing member 2, it is then able to pull down work head.
During the present invention compressing and unlocking, it is required for down pressing push rod 4.And the mode proposed in the mechanism that push rod is pressed for 4 times, the most only present invention, those skilled in the art can be easy for expecting very multimode.Protection scope of the present invention includes but not limited to above mode, and protection scope of the present invention is as the criterion with claims, replacement that any those skilled in the art making this technology is readily apparent that, deforms, improves and each fall within protection scope of the present invention.
Being provided with several projections 13 bottom described output shaft 1, several projections 13 described and described big footpath bulge loop 22 coordinate the upper and lower surface being adjacent at work head that work head can be moved with described output shaft 1.The described effect of protruding 13 is pressed on the effect providing frictional force on work head upper surface the most as above.The transverse shape of protruding 13 can be varied.Work head on open market, it is provided with and is available for the macropore that the polished rod 21 of securing member 2 passes, and is distributed in some apertures of macropore periphery.If can be consistent with the shape of these apertures by the transverse shape of protruding 13, then protruding 13 just can embed in aperture, thus work when, just the receive a visitor inner peripheral surface of aperture of the outer peripheral face of projection be fitted and is realized spacing and transmitting movement function.In such manner, it is possible to the friction reduced between work head and big footpath bulge loop 22 and output shaft 1 lower surface.Realize such function, then the height of protruding 13 is necessarily less than or is equal to the degree of depth of aperture.
A kind of clamp device, for work head being assembled to a kind of Multi Role Aircraft, described Multi Role Aircraft includes body, with be arranged at the head of described body and for installment work head the output shaft 1 that drives work head rotary oscillation, and work head compression is arranged on the securing member 2 on described output shaft 1, described output shaft 1 is hollow tube-shape and is provided with the through hole passed for described securing member 2, it is characterized in that: described clamp device includes hold-down mechanism and relieving mechanism, described securing member 2 can be made to move upward for wherein said hold-down mechanism so that saw blade is pressed on described output shaft 1 by described securing member 2；Described relieving mechanism is arranged at described body head and described securing member 2 can be made no longer to compress saw blade the pressure of described securing member 2 so that saw blade departs from described output shaft 1.
nullDescribed securing member 2 includes polished rod 21 and is arranged at described output shaft 1 lower end and the diameter big footpath bulge loop 22 more than described polished rod 21，Described hold-down mechanism includes pressure cap 3、Locating part 7、Spring 6 and shaft-cup 5，Described pressure cap 3 is arranged with described polished rod 21，Described spring 6 is arranged between described pressure cap 3 and described output shaft 1 intracavity bottom，Described pressure cap 3 is provided with one or more Place hole 33，Described Place hole 33 is provided with described locating part 7，It is provided with pit 23 on described polished rod 21，Described locating part 7 is moveable in described pit 23 thus limits the motion of described polished rod 21，The most through blind hole 51 coordinated with described pressure cap 3 it is provided with in described shaft-cup 5，Described blind hole 51 bottom is provided with bellmouth 52，Described locating part 7 is moveable in described bellmouth 52 and leaves described pit 23 thus no longer limit the motion of described polished rod 21.
Described pressure cap 3 includes cylindrical body 31 and is arranged at the outer annular flanges 32 of outer circumferential sides of described cylindrical body 31, described output shaft 1 lower end inner circumferential side is provided with inner annular flange 12, described inner annular flange 12 is provided with anti-slipping mechanism, between described outer annular flanges 32 and described inner annular flange 12, is provided with described spring 6.
Described output shaft 1 lower end is provided with anti-slipping mechanism, and described anti-slipping mechanism includes the seal groove 91 being arranged at described output shaft 1 lower end, and the sealing ring 9 being installed in described seal groove 91, and the internal diameter of described sealing ring 9 is less than the external diameter of described polished rod 21.
The end of described push rod 4 is provided with the diameter bulge loop 42 more than described push rod 4 body diameter, is provided with back-moving spring 41 between described bulge loop 42 and described shaft-cup 5, and described Place hole 33 is provided with limiting section 331.Described limiting section 331 is a ring limit of Place hole 33 periphery, arranges limiting section 331 and is possible to prevent pulling down or install securing member 2 when, and locating part 7 rolls out from position, Place hole 33, thus have impact on the clamping performance of this device.
The Multi Role Aircraft of the present invention, the housing being provided with including body head, and with the shift fork 11 of motors, connect the output shaft 1 having shift fork 11 and the shaft-cup 5 being threadedly secured on output shaft 1, by output shaft 1 and shaft-cup 5 fixing bearing 14 and needle bearing 15, and the back-up ring 16 of fixing bearing.It is internal that securing member 2, pressure cap 3, spring 6 and gag lever post 7 are installed on output shaft 1.
The anti-slipping mechanism arranged in described inner annular flange 12, it is simply that the when of being prevented from installing, if held by securing member 2, securing member 2 can have a strong impact on installation because the effect of gravity skids off outside output shaft 1.It is the most ingenious that the anti-slipping mechanism of the present invention designs: below output shaft 1, the through hole in inner annular flange 12 is provided with seal groove 91, is mounted with sealing ring 9 in seal groove 91.So, installing securing member 2 when, sealing ring 9 will be attached on securing member 2 on the outer surface of polished rod 21 closely, create bigger axial friction, it is possible to hinder securing member 2 to glide, installing when, can withstand securing member 2 without hands prevents it from gliding always, greatly facilitates installation.
So that the present invention can more hommization, be more suitable for market, the present invention is provided with back-moving spring 41 in axle cap 5, is provided with diameter more than the bulge loop 42 of push rod 4 body diameter at push rod 4 end.Elastic force can be acted on bulge loop 42 by back-moving spring 41 so that push rod 4 withstands on pressure cap 3 always.So arranging, push rod 4 would not teetertotter, send noise in shaft-cup 5.Certainly, those skilled in the art can understand the most easily, is not provided with back-moving spring 41, and the present invention also is able to realize the function of clamp device clamping.
Claims (8)
1. a Multi Role Aircraft, can adaptive multiple work head, described Multi Role Aircraft includes body, and is arranged at the head of described body
Portion and for installment work head and drive the output shaft (1) of work head rotary oscillation, and work head compression is arranged on described defeated
Securing member (2) on shaft (1), described output shaft (1) be hollow tube-shape and be provided with for described securing member (2) pass
Through hole, it is characterised in that: described Multi Role Aircraft includes that hold-down mechanism and relieving mechanism, described output shaft are provided with in (1)
Described securing member (2) is made to move upward so that saw blade is pressed on described output shaft (1) by described securing member (2)
Described hold-down mechanism, described body head is arranged over described securing member (2) pressure being made at described securing member (2)
Described securing member (2) no longer compress saw blade so that saw blade depart from described output shaft (1) described relieving mechanism, described tightly
Firmware (2) includes polished rod (21) and is arranged at described output shaft (1) lower end and the diameter big footpath more than described polished rod (21)
Bulge loop (22), described hold-down mechanism includes pressure cap (3), locating part (7), spring (6) and shaft-cup (5), described pressure cap
(3) being arranged with described polished rod (21) in, described spring (6) is arranged in described pressure cap (3) and described output shaft (1)
Between bottom chamber, described pressure cap (3) is provided with more than one Place hole (33), has arranged in described Place hole (33)
Stating locating part (7), described polished rod (21) is provided with pit (23), described locating part (7) is moveable to described pit
(23) in thus limit the motion of described polished rod (21), be provided with in described shaft-cup (5) and coordinate with described pressure cap (3)
The most through blind hole (51), described blind hole (51) bottom is provided with bellmouth (52), and described locating part (7) is moveable to
In described bellmouth (52) and leave described pit (23) thus no longer limit the motion of described polished rod (21).
Multi Role Aircraft the most according to claim 1, it is characterised in that: described relieving mechanism includes push rod (4) and eccentric handle
(8), described eccentric handle (8) includes the eccentric head (81) of front end and is arranged at the handle of rear end, described eccentric head (81)
Being articulated with on body by pin (83), described eccentric head (81) front end is semicircular structure, and described pin (83) passes
The described eccentric semicircle home position of head (81) deviation, described push rod (4) is arranged at the inside of described shaft-cup (5) and described
The top of pressure cap (3), described eccentric head (81) may act on after described pin (83) rotates on described push rod (4) from
And make described push rod (4) be downwardly against described pressure cap (3) and above and can press under continuing so that locating part (7) leaves described
Pit (23) and move in described bellmouth (52).
Multi Role Aircraft the most according to claim 1, it is characterised in that: described pressure cap (3) include cylindrical body (31) and
It is arranged at the outer annular flanges (32) of the outer circumferential sides of described cylindrical body (31), described output shaft (1) lower end inner circumferential side
It is provided with inner annular flange (12), described inner annular flange (12) is provided with anti-slipping mechanism, described outer annular flanges (32)
And it is provided with described spring (6) between described inner annular flange (12).
Multi Role Aircraft the most according to claim 3, it is characterised in that: it is protruding that described output shaft (1) bottom is provided with several
(13), described several protruding (13) and described big footpath bulge loop (22) coordinates the upper and lower surface being adjacent at work head to make work
Make head to move with described output shaft (1).
5. a clamp device, for work head is assembled to a kind of Multi Role Aircraft, described Multi Role Aircraft includes body, and arranges
In the head of described body and for installment work head and drive the output shaft (1) of work head rotary oscillation, and by work head pressure
The securing member (2) being tightly arranged on described output shaft (1), described output shaft (1) be hollow tube-shape and be provided with for described tightly
The through hole that firmware (2) passes, it is characterised in that: described clamp device includes hold-down mechanism and relieving mechanism, wherein said pressure
Tight mechanism can make described securing member (2) move upward so that saw blade is pressed on described output shaft by described securing member (2)
(1) on；Described relieving mechanism is arranged at described body head can make described securing member by described securing member (2) pressure
(2) no longer compress saw blade so that saw blade depart from described output shaft (1), described securing member (2) include polished rod (21) and
It is arranged at described output shaft (1) lower end and diameter big footpath bulge loop (22) more than described polished rod (21), described hold-down mechanism bag
Include pressure cap (3), locating part (7), spring (6) and shaft-cup (5), described pressure cap (3) be arranged with described polished rod (21),
Described spring (6) is arranged between described pressure cap (3) and described output shaft (1) intracavity bottom, and described pressure cap (3) is arranged
There is one or more Place hole (33), described Place hole (33) is provided with described locating part (7), described polished rod
(21) being provided with pit (23) on, described locating part (7) is moveable in described pit (23) thus limits described polished rod
(21) motion, is provided with the most through blind hole (51) coordinated with described pressure cap (3) in described shaft-cup (5), described
Blind hole (51) bottom is provided with bellmouth (52), and described locating part (7) is moveable in described bellmouth (52) and leaves
Described pit (23) thus no longer limit the motion of described polished rod (21).
A kind of clamp device the most according to claim 5, it is characterised in that: described pressure cap (3) includes cylindrical body (31)
And it is arranged at the outer annular flanges (32) of the outer circumferential sides of described cylindrical body (31), described output shaft (1) lower end inner circle
All sides are provided with inner annular flange (12), are provided with anti-slipping mechanism, described outer annular flanges in described inner annular flange (12)
And between described inner annular flange (12), be provided with described spring (6) (32).
A kind of clamp device the most according to claim 6, it is characterised in that: described output shaft (1) lower end is provided with anti-skidding machine
Structure, described anti-slipping mechanism includes the seal groove (91) being arranged at described output shaft (1) lower end, and is installed on described seal groove
(91) sealing ring (9) in, the internal diameter of described sealing ring (9) is less than the external diameter of described polished rod (21).
A kind of clamp device the most according to claim 7, also includes push rod (4), it is characterised in that: described push rod (4)
End is provided with the diameter bulge loop (42) more than described push rod (4) body diameter, described bulge loop (42) and described shaft-cup (5)
Between be provided with back-moving spring (41), described Place hole (33) is provided with limiting section (331).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410790444.XA CN104526653B (en) | 2014-12-19 | 2014-12-19 | Fastening device and multifunctional machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410790444.XA CN104526653B (en) | 2014-12-19 | 2014-12-19 | Fastening device and multifunctional machine with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104526653A CN104526653A (en) | 2015-04-22 |
| CN104526653B true CN104526653B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410790444.XA Active CN104526653B (en) | 2014-12-19 | 2014-12-19 | Fastening device and multifunctional machine with same |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017024352A1 (en) * | 2015-08-12 | 2017-02-16 | Brand Developers Limited | Oscillating power tool |
| CN112223220A (en) * | 2020-10-15 | 2021-01-15 | 南京久驰机电实业有限公司 | Quick clamping device and multifunctional tool machine adopting same |
| CN113510663B (en) * | 2021-06-08 | 2022-10-21 | 浙江亚特电器股份有限公司 | Working head fast-assembling structure and multi-function machine of multi-function machine |
Citations (5)
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| CN204450464U (en) * | 2014-12-19 | 2015-07-08 | 宁波鑫晟工具有限公司 | The Multi Role Aircraft of a kind of fastener and this fastener of application |
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| US9186770B2 (en) * | 2010-04-29 | 2015-11-17 | Black & Decker Inc. | Oscillating tool attachment feature |
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| CN1946517A (en) * | 2004-04-23 | 2007-04-11 | C.&E.泛音有限公司 | Powered hand tool comprising a clamping device for a tool |
| CN2885472Y (en) * | 2005-12-13 | 2007-04-04 | 南京德朔实业有限公司 | Saw bit holding device for reciprocating saw |
| CN102785161A (en) * | 2011-05-18 | 2012-11-21 | 南京德朔实业有限公司 | Power tool |
| WO2013115142A1 (en) * | 2012-02-03 | 2013-08-08 | 株式会社マキタ | Work tool |
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Denomination of invention: The utility model relates to a fastening device and a multifunctional machine applying the fastening device Effective date of registration: 20210607 Granted publication date: 20170104 Pledgee: China Construction Bank Co.,Ltd. Ningbo Jiangbei sub branch Pledgor: KINGTEC INDUSTRIAL Co.,Ltd. Registration number: Y2021330000520 |
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