CN104440797B - Hand held power machine and the bottom plate adjusting mechanism for this hand held power machine - Google Patents
Hand held power machine and the bottom plate adjusting mechanism for this hand held power machine Download PDFInfo
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- CN104440797B CN104440797B CN201310421941.8A CN201310421941A CN104440797B CN 104440797 B CN104440797 B CN 104440797B CN 201310421941 A CN201310421941 A CN 201310421941A CN 104440797 B CN104440797 B CN 104440797B
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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
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
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Abstract
One aspect of the present invention is to provide a kind of hand held power machine, including a housing, one is contained in the motor in housing, the executive item of one operation on workpiece to be processed, one transmission mechanism that the power that motor exports is passed to executive item, one base plate being arranged on housing and one for regulating base board relative to the governor motion of the angle of housing, wherein, governor motion includes an operating parts rotated between the first position and the second position around the first longitudinal axis and at least one is for the securing member securing a base plate on housing, at least one securing member defines the second longitudinal axis, first longitudinal axis and the second longitudinal axis not conllinear, in primary importance, described base plate is clamped on the housing, in the second place, described base plate can be conditioned relative to the angle of described housing.Another aspect of the present invention is to provide a kind of bottom plate adjusting mechanism for hand held power machine.
Description
Technical field
The present invention relates to a kind of toolroom machine, particularly relate to a kind of hand held power machine.The invention still further relates to a kind of bottom plate adjusting mechanism for toolroom machine, particularly relate to a kind of bottom plate adjusting mechanism for hand held power machine.
Background technology
Conventional hand held power machine generally includes a plane base plate, during carrying out cutting operation, bottom this on support described toolroom machine, with the laminating of workpiece to be processed surface to provide the constant cutting angle relative to the surface of workpiece to be processed bottom this.Many conventional hand held power machines of the prior art are equipped with an adjustable base plate, to allow user to select the bottom angle relative to toolroom machine housing, thus provide the selected cutting angle relative to workpiece to be processed surface to user.Cutting planes is commonly called oblique angle relative to this angular adjustment of workpiece to be processed and is measured as and the side-play amount of workpiece orthogonal direction.
The hand held power machine of some conventional prior aries with adjustable bottom includes that it must be relaxed described base plate can be regulated and fasten to be fixed on toolroom machine housing by described base plate in selected angle respectively such as screw or the such threaded fastener of bolt.But, using of securing member needs to use extra aid inconvenient for user.And using threaded fastener clamping or release base plate, easily bring the uppity trouble of moment of torsion of clamping, moment of torsion is crossed conference and is caused the premature failure of screw or bolt, and moment of torsion is too small, can cause the possibility that base plate is not yet clamped.
Some base plate angular adjustment of the prior art, user uses for convenience, by drawing an extension bar on nut or screw, base plate regulation is can be carried out from without extra aid, but the restriction due to structure, this extension bar can only rotate in limited scope, so produce drawback be can not produce enough clamping forces fix base plate maybe can not produce enough gaps with beneficially base plate regulate.Simultaneously, also can bring another defect, when extension bar is rotated, screw therein or bolt likely can follow extension bar to rotate, so that when the rotary course of extension bar cannot realize the fixing of base plate or release, especially after repeatedly regulation, screw thread is easy to there will be loosening.Therefore, in these prior aries, base plate angular adjustment for the user or is inconvenient, or is less reliable.
Summary of the invention
In order to solve the defect of above-mentioned prior art, it is an object of the invention to provide a kind of base plate angle hand held power machine easy to adjust, reliable.
In order to solve the defect of above-mentioned prior art, further object is that a kind of bottom plate adjusting mechanism for hand held power machine of offer, this base plate adjustment structure can facilitate, reliably be adjusted the base plate angle of hand held power machine.
One aspect of the present invention is to provide a kind of hand held power machine, including a housing, one is contained in the motor in housing, the executive item of one operation on workpiece to be processed, one transmission mechanism that the power that motor exports is passed to executive item, one base plate being arranged on housing and one for regulating base board relative to the governor motion of the angle of housing, wherein, governor motion includes an operating parts rotated between the first position and the second position around the first longitudinal axis and at least one is for the securing member securing a base plate on housing, at least one securing member defines the second longitudinal axis, first longitudinal axis and the second longitudinal axis not conllinear, in primary importance, described base plate is clamped on the housing, in the second place, described base plate can be conditioned relative to the angle of described housing.Non-coaxial setting by operating parts Yu securing member so that the moment of friction produced when rotary operating member is not transferred on securing member, thus is not result in the rotation of securing member, so that it is guaranteed that the reliability of governor motion.And, it is not necessary to extra aid just can realize fixing base plate or discharging.
Another aspect of the present invention is to provide a kind of bottom plate adjusting mechanism for hand held power machine, hand held power machine includes a housing, one is contained in the motor in housing, the executive item of one operation on workpiece to be processed, one the power that motor exports passed to the transmission mechanism of executive item and one be used for the regulating base board governor motion relative to the angle of housing, base plate is arranged on housing, wherein, governor motion includes an operating parts rotated between the first position and the second position around the first longitudinal axis and at least one is for the securing member securing a base plate on housing, at least one securing member defines the second longitudinal axis, first longitudinal axis and the second longitudinal axis not conllinear, in primary importance, base plate is clamped on housing, in the second place, base plate can be conditioned relative to the angle of housing.Non-coaxial setting by operating parts Yu securing member so that the moment of friction produced when rotary operating member is not transferred on securing member, thus is not result in the rotation of securing member, so that it is guaranteed that the reliability of governor motion.And, it is not necessary to extra aid just can realize fixing base plate or discharging.
By carry out below in conjunction with accompanying drawing to the detailed description realizing embodiments of the invention, it is easy to understand the above-mentioned situation of the present invention and other situation, feature and advantage.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view that the base plate of the hand held power machine in first embodiment of the invention is positioned at clamped position；
Fig. 2 is the schematic perspective view that the base plate of the hand held power machine in first embodiment of the invention is positioned at off-position；
Fig. 3 is the section plan of the hand held power machine in Fig. 1；
Fig. 4 is the partial enlarged drawing of the governor motion of the hand held power machine in Fig. 3；
Fig. 5 be the hand held power machine in Fig. 1 for regulating base board relative to the axonometric drawing of the governor motion of the angle of housing；
Fig. 6 is the upward view that the base plate of the hand held power machine in first embodiment of the invention is positioned at clamped position；
Fig. 7 is the schematic diagram that the base plate of the hand held power machine in first embodiment of the invention can be adjusted to multiple angle relative to housing；
Fig. 8 is the schematic perspective view that the base plate of the hand held power machine in second embodiment of the invention is positioned at clamped position；
Fig. 9 is the schematic perspective view that the base plate of the hand held power machine in second embodiment of the invention is positioned at off-position；
Figure 10 is the section plan of the hand held power machine in Fig. 8；
Figure 11 is the partial enlarged drawing of the governor motion of the hand held power machine in Figure 10；
Figure 12 be the hand held power machine in Fig. 8 for regulating base board relative to the axonometric drawing of the governor motion of the angle of housing；
Figure 13 is the upward view that the base plate of the hand held power machine in second embodiment of the invention is positioned at clamped position；
Figure 14 is the schematic diagram that the base plate of the hand held power machine in second embodiment of the invention can be adjusted to multiple angle relative to housing.
Detailed description of the invention
Hand held power machine, generally includes a handle for user's gripping, housing, the motor being contained in this housing, workpiece to be processed carries out the executive item of operation and the power that motor exports passes to the transmission mechanism of described executive item.In some hand held power machines, can further include one base plate on the housing and one are installed for regulating base board relative to the governor motion of the angle of housing.Hand held power machine described herein can be the hand held power machine with adjustable bottom such as a kind of reciprocating saw, electric circular saw or electric router, but is not limited only to the hand held power machine listed.
Specifically, refer to Fig. 1-3, which disclose a kind of hand held power machine 10, as preferably first embodiment, this hand held power machine is a kind of reciprocating saw, and it includes housing 20, the motor 30 being contained in housing 20, the saw blade 40 that workpiece to be processed carries out reciprocating cutting, the rotary motion of motor is converted into the reciprocating transmission mechanism 50 of saw blade, installs on the housing 20 and relative to the base plate 60 of housing 20 angle rotatable and be used for the regulating base board governor motion 70 relative to the angle of housing.Well known to those skilled in the art, for reciprocating saw, executive item here is then saw blade, and its transmission mechanism is used to be converted into the rotary motion of motor the reciprocating motion of saw blade.If hand held power machine is a kind of electric circular saw, then executive item is then saw blade, and workpiece to be processed can be cut by saw blade rotatably, and its transmission mechanism is used to be converted into the rotary motion of motor the rotary motion of saw blade.If hand held power machine is a kind of electric router, then executive item is then milling cutter, and milling cutter can reach and rotatably workpiece to be processed be carried out milling, and its transmission mechanism is used to be converted into the rotary motion of motor the rotary motion of milling cutter.Or to those skilled in the art, this hand held power machine can be any one hand held power machine with adjustable bottom.
Transmission mechanism 50 includes the little gear 51 being connected with motor shaft, the gear wheel 52 engaging and transmitting rotary motion with little gear 51, the eccentric part 53 being arranged on the end face of gear wheel 52, be connected with eccentric part 53 and sliding tray 54 that eccentric part 53 is within it slided and the reciprocating lever 55 being fixedly linked with sliding tray 54.Wherein, it is delivered to the rotary motion of gear wheel 52 via little gear 51 and is converted into the reciprocating motion of reciprocating lever 55 by the eccentric part 53 being arranged on gear wheel 52 and sliding tray 54, the end of reciprocating lever 55 is fixedly linked with saw blade 40, thus drives saw blade 40 to move back and forth.Base plate 60 generally includes planar portions 61 and arcuation portion 62, planar portions 61 is for contacting with the surface of workpiece to be processed to provide the constant cutting angle relative to the surface of workpiece to be processed, arcuation portion 62 is generally used for the facility installed, the securing member of fixing base plate is arranged in arcuation portion 62 so that securing member does not protrude from planar portions 61 so that guarantee will not be with the Surface Interference of workpiece to be processed.
As shown in Figures 4 and 5, disclose in first embodiment for regulating base board 60 relative to the bottom plate adjusting mechanism 70 of the angle of housing 20, this governor motion 70 includes operating parts 71, securing member 72, support member the 73, first cam surface 74 and the second cam surface 75.Wherein operating parts 71 includes the operating portion 711 for user's operation and connecting portion 712, and operating portion 711 is preferably set to operate spanner.Securing member 72 could be arranged at least one, as preferably, uses two securing members in the present embodiment, and they all present with the form of threaded fastener.Securing member 72 farther includes the first bolt the 721, first nut the 722, second bolt 723 and the second nut 724.First bolt 721 therein passes completely through the first through hole 63 on base plate 60 and partially passes through housing 20, and the end at the first bolt 721 is connected with the first nut 722 screw threads for fastening arranged on the housing 20.Second bolt 723 therein passes completely through the second through hole 64 on base plate 60 and partially passes through housing 20, and the end at the second bolt 723 is connected with the second nut 724 screw threads for fastening arranged on the housing 20.Operating parts 71 arranges on the support member 73 being arranged in housing 20, support member 73 is arranged between the first bolt 721 and the second bolt 723, operating parts 71 rotates around the first longitudinal axis V between the first position and the second position, at least one securing member 72 defines the second longitudinal axis W, support member 73 defines the 3rd longitudinal axis X, wherein the first longitudinal axis V and the second longitudinal axis W not conllinear, as preferably, first longitudinal axis V and the second longitudinal axis W is parallel to each other, and the first longitudinal axis V and the 3rd longitudinal axis X overlaps and arranges, in primary importance, base plate 60 is clamped on the housing 20, in the second place, base plate 60 can be conditioned relative to the angle of housing 20.First cam surface 74 is arranged on the connecting portion 712 of operating parts 71, second cam surface 75 is arranged on a pressing plate 76, this pressing plate 76 provides with the form of thin plate, three through holes it are respectively arranged with on pressing plate 76, two through holes are respectively used to passing of the first bolt 721 and the second bolt 723, also have a through hole passing for support member 73, in primary importance, first cam surface 74 engages with the second cam surface 75, base plate 60 is clamped on the housing 20, in the second place, first cam surface 74 is disengaged from the second cam surface 75, making to there is sufficiently large gap between base plate 60 and housing 20 makes base plate 60 can be conditioned relative to the angle of housing 20.Certainly, the second cam surface 75 can also be biased towards the first cam 74 and the second intermeshing direction of cam surface 75 by the elastic component (not shown) being arranged on support member 73.Operation for the ease of operating parts 71, prevent the first bolt 722 to operating parts 71 rotational interference between the first position and the second position, this operating parts 71 is by such setting, the operating portion 711 of operating parts 71 defines the 4th longitudinal axis Y, the connecting portion 712 of operating parts 71 defines the 5th longitudinal axis Z, wherein the 4th longitudinal axis Y and the angled setting of the 5th longitudinal axis Z, preferably, 4th longitudinal axis Y and the 5th longitudinal axis Z are arranged with becoming obtuse angle, the most then it can be avoided that the first bolt 722 is interfered with connecting portion 712 and affected operating parts 71 and be not able to move to primary importance.
Well known to those skilled in the art, the operating portion 711 of operating parts 71 can also be arranged to other form, such as button, knob, folding rod etc., when the operating portion 711 of operating parts 71 uses the form of button, button movement between the first position and the second position, first cam surface and the second cam surface are moved between engaging and being disengaged from, thus realizes clamping and releasing of base plate 60；When the operating portion 711 of operating parts 71 uses the form of knob, knob movement between the first position and the second position so that the first cam surface and the second cam surface move between engaging and being disengaged from, thus realize clamping and releasing of base plate 60；When the operating portion 711 of operating parts 71 uses the form of folding rod, after folding rod is opened, the arm of force is longer, user can more labour-saving mobile folding rod between the first position and the second position, first cam surface and the second cam surface are moved between engaging and being disengaged from, thus realizes clamping and releasing of base plate 60.
Well known to those skilled in the art, so-called " securing member " can be any version being capable of securing a base plate on housing, here " securing member " could be arranged to the combination of the threaded fastener of bolt nut, it can also be provided that the combination of the non-threaded fastener of clamp shaft and fixed plate, when being provided with the combination for non-threaded fastener, screw thread can be not provided with on clamp shaft, but this clamp shaft passes completely through the through hole of base plate and partially passes through housing, it is connected with fixed plate in one end of clamp shaft, so that base plate is fixed on housing.Of course, it is possible to be arranged to multiple securing member, such as 3 or 4 securing members, all it is capable of securing a base plate on housing, multiple securing members can also be arranged to the combination that at least one securing member uses the threaded fastener of bolt nut.
nullWell known to those skilled in the art，So-called " support member " can be any version being capable of supporting operating parts，Here " support member " could be arranged to the form of pin，The connecting portion 712 of operating parts 71 is set on support member 73，Operating parts 71 is rotated around support member 73，" support member " it is also possible that setting，Connecting portion 712 at operating parts 71 is formed with ring-type boss or groove，On housing, then it is formed with groove or the boss of the shape that adapts，The annular boss of connecting portion 712 engages with the annular recess on housing，Operating parts is supported by the annular recess of housing，Or the annular recess of connecting portion 712 engages with the annular boss on housing，Operating parts is supported by the annular boss of housing，Annular recess or annular boss on such housing then constitute the support member supporting operating parts.
Well known to those skilled in the art, first longitudinal axis V and the second longitudinal axis W not conllinear may be such that the misaligned any form of the first longitudinal axis V and the second longitudinal axis W, the first longitudinal axis V and the second longitudinal axis W in preferred embodiment are parallel to each other, and in other embodiments, first longitudinal axis V and the second longitudinal axis W can also intersect or antarafacial, its main purpose is: operating parts 71 and the non-coaxial setting of securing member 72, so that because the moment of friction rotating generation of operating parts 71 will not be delivered on securing member 72 further, such that it is able to effectively prevent the inefficacy of the governor motion 70 caused by the rotation of securing member 72.
Well known to those skilled in the art, so-called " cam surface " refers to plane or the curved surface extended in its axial direction relative to the planar section of certain component, has rightabout inclined-plane or other form being readily apparent that as " cam surface " can also be arranged to two.Here the first cam surface 74 can be arranged directly on the connecting portion 712 of operating parts 71, it is also possible to by the form of other middleware so that the motion of operating parts 71 can drive the first cam surface 74 to move.As long as the first cam surface 74 here and the second cam surface 75 have relative motion between the two, then it is capable of the engagement between two cam surfaces or is disengaged from.Certainly, here cam surface engages or is disengaged from, not necessarily directly engaging or being directly disengaged between two cam surfaces, it is also possible to be provided with middleware between two cam surfaces so that realize indirectly engaging or being indirectly disengaged between two cam surfaces.
To be described in detail the process that the base plate 60 in first embodiment is released and is clamped below by Fig. 4-7.
nullAs shown in Figure 1，Base plate 60 is positioned at clamped position，Now operating parts 71 is positioned at the primary importance of clamping，The planar portions 61 of base plate 60 contacts with the surface of workpiece to be processed to provide the constant cutting angle relative to the surface of workpiece to be processed，When needs carry out base plate angular adjustment，As the angle of base plate is replaced with in Fig. 7 dotted line position time，Operating parts 71 is moved to the second place as shown in Figure 2 from primary importance as shown in Figure 1，Now，Base plate 60 is positioned at off-position，It then can be adjusted to the dotted line position in Fig. 7 relative to the angle of housing，When operating parts 71 moves to the second place from primary importance，Operating parts 71 drives the first cam surface 74 to rotate，First cam surface 74 is disengaged from the second cam surface 75，Make to produce enough gaps between base plate 60 and housing 20 with movable base plate 60.In primary importance, base plate 60 is fixed on the housing 20 by two securing members 72, engage so that there is no gap between base plate 60 and housing 20 by the first cam surface 74 and the second cam surface 75, that is, base plate 60 is clamped when the first cam surface 74 and the second cam surface 75 engage each other, as shown in Figure 5 and Figure 6, the side in the arcuation portion 62 of base plate 60 is provided with clamping plate 78, opposite side in arcuation portion 62 is provided with operating parts 71, base plate 60 and housing 20 and is clamped between operating parts 75 and clamping plate 78.The second place is moved to or during the second place moves to primary importance from primary importance at operating parts 71, one connector 77 is combined with the connecting portion 712 of operating parts 71 and is limited its rotary motion by least one securing member 72, thus because the moment of friction produced that pivots of operating parts 71 is delivered on this connector 77.Because the rotary motion of this connector 77 is prohibited, thus above-mentioned moment of friction then will not be delivered on securing member 72 further such that it is able to effectively prevents the inefficacy of the governor motion 70 being likely to result in because of the powered rotation of securing member.Well known to those skilled in the art, this connector 77 can also be arranged to and pressing plate 76 one.
As shown in figures 8-13, disclose the hand held power machine 100 with base plate angular adjustment in second embodiment of the invention, as preferably, still as a example by a kind of reciprocating saw.
Specifically, refer to Fig. 8-10, reciprocating saw includes housing 200, be arranged on housing 200 and relative to the base plate 300 of housing 200 angle rotatable and for regulating base board 300 relative to the governor motion 400 of the angle of housing 200, this reciprocating saw can also include motor as in the first embodiment, executive item and transmission mechanism etc., does not repeats them here.Base plate 300 generally includes planar portions 310 and arcuation portion 320, planar portions 310 is for contacting with the surface of workpiece to be processed to provide the constant cutting angle relative to the surface of workpiece to be processed, arcuation portion 320 is generally used for the facility installed, the securing member of fixing base plate 300 is arranged in arcuation portion 320 so that securing member does not protrude from planar portions 310 so that guarantee will not be with the Surface Interference of workpiece to be processed.Base plate 300 is when the position shown in Fig. 8, and base plate 300 is clamped on housing 200, and base plate 300 is when the position shown in Fig. 9, and base plate 300 is released and relative to the angle adjustable of housing 200.
As shown in FIG. 11 and 12, further disclose in the second embodiment for regulating base board 300 relative to the governor motion 400 of the angle of housing 200, this governor motion 400 includes operating parts 410, securing member the 420, first cam surface the 430, second cam surface 440, clamping plate 450, pressing plate 460 and the micro-adjusting mechanism 470 for the gap between adjustment housings 200 and base plate 300.Wherein operating parts 410 includes the operating portion 411 for user's operation and connecting portion 412, and operating portion 411 is preferably set to operate spanner.Securing member 420 could be arranged at least one, as preferably, uses 1 securing member in the present embodiment, and it presents with the form of non-threaded fastener.Securing member 420 farther includes clamp shaft 421 and fixture 422.nullClamp shaft 421 therein passes completely through the first through hole 330 on base plate 300 and partially passes through housing 200，End at clamp shaft 421 is non-threaded with fixture 422 to be fastenedly connected，As preferably，Clamp shaft 421 be fastenedly connected employing such form non-threaded with fixture 422 realizes，Plat part 423 it is provided with on clamp shaft 421，Protruding 424 it are provided with on fixture 422，After clamp shaft 421 is mounted on housing 200 and base plate 300, the projection 424 of fixture 422 is inserted into the plat part 423 of clamp shaft 421，This fixture 422 is contained on clamping plate 450 and clamped plate 450 limits rotary motion，It is additionally provided with for fastening fastening members 422 at clamping plate 450、And prevent the screw 451 that fixture 422 comes off from clamping plate 450.Well known to those skilled in the art, in other embodiments, clamp shaft 421 and fixture 422 interference fit or on clamp shaft 421, be provided with collar to substitute above-mentioned fixture 422.Operating parts 410 arranges and is arranged on clamp shaft 421, operating parts 410 rotates around the first longitudinal axis X ' between the first position and the second position, clamp shaft 421 defines the second longitudinal axis Y ', wherein the first longitudinal axis X ' and the second longitudinal axis Y ' overlaps setting, in primary importance, base plate 300 is clamped on housing 200, and in the second place, base plate 300 can be conditioned relative to the angle of housing 200.First cam surface 430 is arranged on the connecting portion 412 of operating parts 410, second cam surface 440 is arranged on pressing plate 460, this pressing plate 460 provides with the form of thin plate, a through hole it is respectively arranged with on pressing plate 460, this through hole passes for clamp shaft 421, in primary importance, first cam surface 430 engages with the second cam surface 440, base plate 300 is clamped on housing 200, in the second place, first cam surface 430 is disengaged from the second cam surface 440, making to there is sufficiently large gap between base plate 300 and housing 200 makes base plate 300 can be conditioned relative to the angle of housing 200.When base plate 300 is positioned at the position of release, the generally gap between base plate 300 and housing 200 keeps within the specific limits, if it is excessive, then when clamping, likely between base plate 300 and housing 200, yet suffer from gap, if it is too small, the most upon release, likely base plate 300 is still clamped on housing 200, here excesssive gap or too small generally cause because of assembling or dimensional tolerance, for the ease of the gap between trace adjustment housings 200 and base plate 300, here it is provided with a micro-adjusting mechanism 470.This micro-adjusting mechanism 470 includes the 471, second inclined-plane 472, the first inclined-plane and fine setting operating parts 473.Compact for structure, first inclined-plane 471 can be arranged on pressing plate 460, second inclined-plane 472 can produce interaction relation with fine setting operating parts 473, i.e. when along with the motion of fine setting operating parts 473, the second inclined-plane 472 can be made to move toward and away from the first inclined-plane 471, as preferably, fine setting operating parts 473 is provided with external screw thread, second inclined-plane 472 is provided with the internal thread engaged with this external screw thread, fine setting operating parts 473 is fixedly mounted on support 474 and its axially-movable is limited, when external screw thread rotates, then drive and set female second inclined-plane 472 and move toward and away from the first inclined-plane 471, thus realize the regulation in the gap between housing 200 and base plate 300.
Well known to those skilled in the art, the operating portion 411 of operating parts 410 can also be arranged to other form, such as button, knob, folding rod etc., when the operating portion 411 of operating parts 410 uses the form of button, button movement between the first position and the second position, first cam surface and the second cam surface are moved between engaging and being disengaged from, thus realizes clamping and releasing of base plate 300；When the operating portion 411 of operating parts 410 uses the form of knob, knob movement between the first position and the second position so that the first cam surface and the second cam surface move between engaging and being disengaged from, thus realize clamping and releasing of base plate 300；When the operating portion 411 of operating parts 410 uses the form of folding rod, after folding rod is opened, the arm of force is longer, user can more labour-saving mobile folding rod between the first position and the second position, first cam surface and the second cam surface are moved between engaging and being disengaged from, thus realizes clamping and releasing of base plate 60.
Well known to those skilled in the art, the first cam surface 471 here can be arranged directly on the connecting portion 412 of operating parts 410, it is also possible to by the form of other middleware so that the motion of operating parts 410 can drive the first cam surface 471 to move.As long as the first cam surface 471 here and the second cam surface 472 have relative motion between the two, then it is capable of the engagement between two cam surfaces or is disengaged from.Certainly, here cam surface engages or is disengaged from, not necessarily directly engaging or being directly disengaged between two cam surfaces, it is also possible to be provided with middleware between two cam surfaces so that realize indirectly engaging or being indirectly disengaged between two cam surfaces.
Well known to those skilled in the art, " the first inclined-plane " and " the second inclined-plane " can also be arranged to other form, the purposes on so-called " the first inclined-plane " and " the second inclined-plane " is to be capable of certain component moving axially thus cause this component to produce change relative to another component gap in the vertical relative to another component, therefore " the first inclined-plane " and " the second inclined-plane " can also arrange curved surface, projection or other any be capable of certain component moving axially thus cause this component to produce the version of change relative to another component gap in the vertical relative to another component.
Well known to those skilled in the art, fine setting operating parts 473 can also be arranged to other form, such as button, folding rod etc., when the operating portion 411 of operating parts 410 uses the form of button, button movement between the two positions, second inclined-plane 472 is moved toward and away from the first inclined-plane 471, thus realizes the regulation in the gap between housing 200 and base plate 300；When operating parts 473 uses the form of folding rod, after folding rod is opened, the arm of force is longer, user can move on more driving the second inclined-plane 472 between the two positions, labour-saving, second inclined-plane 472 is moved toward and away from the first inclined-plane 471, thus realizes the regulation in the gap between housing 200 and base plate 300.Certainly the motion of operating parts 473 is finely tuned, as long as making to produce axially opposite movement between the first inclined-plane and the second inclined-plane 472, the most likely the first inclined-plane is driven together with the second inclined-plane, or only drive the first inclined-plane, but between the first inclined-plane and the second inclined-plane, still produce axially opposite movement.And individually use micro-adjusting mechanism cannot realize the held of base plate and be released, the minor adjustments in its gap being served only between housing and base plate.
To be described in detail the process that the base plate 300 in the second embodiment is released and is clamped below by Figure 11-14.
nullFirst，Use micro-adjusting mechanism 470 by the gap adjustment between base plate 300 and housing 200 in the range of suitable，Then，As shown in Figure 8，Base plate 300 is positioned at clamped position，Now operating parts 410 is positioned at the primary importance of clamping，The planar portions 310 of base plate 300 contacts with the surface of workpiece to be processed to provide the constant cutting angle relative to the surface of workpiece to be processed，When needs carry out base plate angular adjustment，As the angle of base plate is replaced with in Figure 14 dotted line position time，Operating parts 410 is moved to the second place as shown in Figure 9 from primary importance as shown in Figure 8，Now，Base plate 300 is positioned at off-position，It then can be adjusted to the dotted line position in Figure 14 relative to the angle of housing，When operating parts 410 moves to the second place from primary importance，Operating parts 410 drives the first cam surface 430 to rotate，First cam surface 430 is disengaged from the second cam surface 440，Make to produce enough gaps between base plate 300 and housing 200 with movable base plate 300.In primary importance, base plate 300 is fixed on housing 200 by securing member 420, engage so that there is no gap between base plate 60 and housing 20 by the first cam surface 430 and the second cam surface 440, that is, base plate 300 is clamped when the first cam surface 430 and the second cam surface 440 engage each other, as shown in Figure 12 and Figure 13, the side in the arcuation portion 320 of base plate 300 is provided with clamping plate 450, opposite side in arcuation portion 320 is provided with operating parts 410, base plate 300 and housing 200 and is clamped between operating parts 410 and clamping plate 450.
Disclosed hand held power machine and the base plate for hand held power machine are not limited to the content described in embodiment of above and the structure representated by accompanying drawing.That is made the technical program on the basis of the present invention obviously changes, substitutes or revises, all within the scope of protection of present invention.
Claims (12)
- null1. a hand held power machine，Including a housing、One motor being contained in described housing、The executive item of one operation on workpiece to be processed、One transmission mechanism that the power that described motor exports is passed to described executive item、Base plate on the housing and one are installed for regulating the described base plate governor motion relative to the angle of described housing for one，It is characterized in that: described governor motion includes an operating parts rotated between the first position and the second position around the first longitudinal axis and at least one is for by fixing for described base plate securing member on the housing，At least one securing member described defines the second longitudinal axis，Described first longitudinal axis and described second longitudinal axis not conllinear，In primary importance，Described base plate is clamped on the housing，In the second place，Described base plate can be conditioned relative to the angle of described housing.
- Hand held power machine the most according to claim 1, it is characterized in that: described governor motion also includes the first cam surface driven by described operating parts and installs the second cam surface on the housing, when described first cam surface and described second cam surface engage each other, described base plate is clamped on the housing, when described first cam surface and described second cam surface are disengaged from, described base plate can be conditioned relative to the angle of described housing.
- Hand held power machine the most according to claim 2, it is characterized in that: described governor motion includes a support member arranged on the housing, described operating parts is arranged on described support member, and described second cam surface is biased with the described second intermeshing direction of cam surface towards described first cam surface by the elastic component being arranged on support member.
- Hand held power machine the most according to claim 3, it is characterised in that: described support member definition the 3rd longitudinal axis, described first longitudinal axis and described 3rd longitudinal axes coincident, described first longitudinal axis and described second longitudinal axis are parallel to each other.
- Hand held power machine the most according to claim 4, it is characterized in that: described securing member number is 2, described support member is arranged between described 2 securing members, described operating parts includes that one has for user's operation, extend the operating portion outside housing and a connecting portion being connected with described operating portion, described operating portion piece the 4th longitudinal axis of definition, described connecting portion piece the 5th longitudinal axis of definition, described 4th longitudinal axis is angled with described 5th longitudinal axis to be arranged, described housing limits the slewing area of described operating parts, described connecting portion pivots between described 2 securing members.
- Hand held power machine the most according to claim 5, it is characterized in that: at least one in described 2 securing members is set to threaded fastener, described threaded fastener includes a bolt and a nut, and described bolt passes completely through described base plate and partially passes through described housing and threaded with the nut being arranged in described housing at one end.
- Hand held power machine the most according to claim 5, it is characterized in that: described governor motion also includes a clamping plate, described base plate is provided with 2 through holes corresponding with described 2 securing members, described 2 securing members are each passed through each self-corresponding through hole, described base plate has an arcuation portion, described clamping plate and described operating parts and lays respectively at the both sides in described arcuation portion.
- Hand held power machine the most according to claim 1 and 2, it is characterized in that: described governor motion also includes that be combined and by least one securing member described restriction rotary motion a connector with described operating parts, because the moment of friction pivoting generation of described operating parts can be delivered on described connector.
- Hand held power machine the most according to claim 1 and 2, it is characterized in that: described hand held power machine is reciprocating saw, described executive item is reciprocating saw blade on workpiece to be processed, and described transmission mechanism for being converted into the reciprocating motion of described saw blade by the rotary motion of described motor.
- null10. a bottom plate adjusting mechanism，For the base plate angle of hand held power machine is adjusted，Described hand held power machine includes a housing、One motor being contained in described housing、The executive item of one operation on workpiece to be processed and a transmission mechanism that the power of the output of described motor is passed to described executive item，Described base plate is installed on the housing，It is characterized in that: described bottom plate adjusting mechanism includes an operating parts rotated between the first position and the second position around the first longitudinal axis and at least one is for by fixing for described base plate securing member on the housing，At least one securing member described defines the second longitudinal axis，Described first longitudinal axis and described second longitudinal axis not conllinear，In primary importance，Described base plate can be clamped on the housing by described governor motion，In the second place，Described base plate can be conditioned relative to the angle of described housing.
- 11. bottom plate adjusting mechanisms according to claim 10, it is characterized in that: described governor motion also includes the first cam surface driven by described operating parts and installs the second cam surface on the housing, when described first cam surface and described second cam surface engage each other, described base plate is clamped on the housing, when described first cam surface and described second cam surface are disengaged from, described base plate can be conditioned relative to the angle of described housing.
- 12. bottom plate adjusting mechanisms according to claim 10, it is characterized in that: described governor motion also includes that be combined and by least one securing member described restriction rotary motion a connector with described operating parts, because the moment of friction pivoting generation of described operating parts can be delivered on described connector.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310421941.8A CN104440797B (en) | 2013-09-16 | 2013-09-16 | Hand held power machine and the bottom plate adjusting mechanism for this hand held power machine |
| DE202014104382.9U DE202014104382U1 (en) | 2013-09-16 | 2014-09-16 | Hand-held machine tool |
| FR1458699A FR3010649B3 (en) | 2013-09-16 | 2014-09-16 | HAND TOOL MACHINE, IN PARTICULAR A JIGSAW |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310421941.8A CN104440797B (en) | 2013-09-16 | 2013-09-16 | Hand held power machine and the bottom plate adjusting mechanism for this hand held power machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104440797A CN104440797A (en) | 2015-03-25 |
| CN104440797B true CN104440797B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310421941.8A Active CN104440797B (en) | 2013-09-16 | 2013-09-16 | Hand held power machine and the bottom plate adjusting mechanism for this hand held power machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104440797B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6357124B1 (en) * | 1998-07-10 | 2002-03-19 | Porter-Cable Corporation | Clamp system for a jigsaw tilt base |
| CN1683104A (en) * | 2004-04-14 | 2005-10-19 | 创科实业有限公司 | Toolless adjustable base for a portable saw |
| CN2907992Y (en) * | 2006-12-09 | 2007-06-06 | 邬幼波 | Fast bottom plate changing device for sweep-saw |
| GB0922238D0 (en) * | 2008-12-22 | 2010-02-03 | Bosch Gmbh Robert | Hand-held power tool device |
| CN203485150U (en) * | 2013-09-16 | 2014-03-19 | 南京德朔实业有限公司 | Handheld machine tool and base plate adjusting mechanism for same |
-
2013
- 2013-09-16 CN CN201310421941.8A patent/CN104440797B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6357124B1 (en) * | 1998-07-10 | 2002-03-19 | Porter-Cable Corporation | Clamp system for a jigsaw tilt base |
| CN1683104A (en) * | 2004-04-14 | 2005-10-19 | 创科实业有限公司 | Toolless adjustable base for a portable saw |
| CN2907992Y (en) * | 2006-12-09 | 2007-06-06 | 邬幼波 | Fast bottom plate changing device for sweep-saw |
| GB0922238D0 (en) * | 2008-12-22 | 2010-02-03 | Bosch Gmbh Robert | Hand-held power tool device |
| CN203485150U (en) * | 2013-09-16 | 2014-03-19 | 南京德朔实业有限公司 | Handheld machine tool and base plate adjusting mechanism for same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104440797A (en) | 2015-03-25 |
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Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |