CN104440798A - Handheld machine tool and bottom plate adjusting mechanism applied to same - Google Patents
Handheld machine tool and bottom plate adjusting mechanism applied to same Download PDFInfo
- Publication number
- CN104440798A CN104440798A CN201310422578.1A CN201310422578A CN104440798A CN 104440798 A CN104440798 A CN 104440798A CN 201310422578 A CN201310422578 A CN 201310422578A CN 104440798 A CN104440798 A CN 104440798A
- Authority
- CN
- China
- Prior art keywords
- cam surface
- housing
- base plate
- plane
- hand held
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
-
- 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
- B23D49/00—Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
- B23D49/10—Hand-held or hand-operated sawing devices with straight saw blades
- B23D49/16—Hand-held or hand-operated sawing devices with straight saw blades actuated by electric or magnetic power or prime movers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
- B23D51/16—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of drives or feed mechanisms for straight tools, e.g. saw blades, or bows
-
- 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
- B25F5/02—Construction of casings, bodies or handles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a handheld machine tool on one hand. The handheld machine tool comprises a shell, a motor accommodated in the shell, an execution part operated on a to-be-machined workpiece, a drive mechanism transmitting power outputted by the motor to the execution part, a bottom plate mounted on the shell and an adjusting mechanism used for adjusting the angle of the bottom plate relative to the shell. The adjusting mechanism comprises an operating part moved between the first position and the second position, a non-threaded fastener used for fixing the bottom plate on the shell, a first cam surface driven by the operating part and a second cam surface mounted on the shell; at the first position, the first cam surface is engaged with the second cam surface, and the bottom plate is clamped on the shell; at the second position, the first cam surface and the second cam surface are disengaged, and the angle of the bottom plate relative to the shell is adjusted. The bottom plate is fixed on the shell through the non-threaded fastener, and failure of the adjusting mechanism due to rotation of a threaded fastener in the operation process is avoided, and accordingly reliability of the adjusting mechanism is ensured. Furthermore, the bottom plate can be fixed or released without extra auxiliary tools. On the other hand, the invention provides a bottom plate adjusting mechanism applied to the handheld machine tool.
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, supports described toolroom machine on bottom this, the constant cutting angle of fitting with workpiece to be processed surface to provide the surface relative to workpiece to be processed bottom this.The hand held power machine of the prior art of many routines is equipped with an adjustable base plate, to allow user to select bottom relative to the angle of toolroom machine housing, thus provides 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 measured as the side-play amount with workpiece orthogonal direction.
Some hand held power machines with the prior art of the routine of adjustable bottom comprise each threaded fastener as screw or bolt, and it must be relaxed can regulate with fastening described base plate to be fixed on toolroom machine housing by described base plate in selected angle.But the use of securing member needs to use concerning extra aid inconvenient user.And adopt threaded fastener to clamp or release base plate, easily bring the uppity trouble of the moment of torsion of clamping, moment of torsion crosses the premature failure that conference causes 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, conveniently user uses, by drawing an extension bar on nut or screw, thus do not need extra aid just can carry out base plate adjustment, but due to the restriction of structure, this extension bar can only rotate in limited scope, and the drawback produced like this can not produce enough clamping force fixed base plates maybe can not produce enough gaps to be conducive to base plate adjustment.Simultaneously, also can bring another defect, when extension bar is rotated, screw wherein or bolt likely can follow extension bar to rotate, thus make to realize the fixing of base plate or release in the rotary course of extension bar, especially after repeatedly regulating, screw thread is easy to there will be loosening.Therefore, in these prior aries, base plate angular adjustment for the user or be inconvenient, or be reliable not.
Summary of the invention
In order to solve the defect of above-mentioned prior art, the object of the present invention is 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, another object of the present invention is to provide a kind of bottom plate adjusting mechanism for hand held power machine, and this base plate adjustment structure can facilitate, reliably regulate 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, comprise a housing, one is contained in the motor in housing, the executive item of an operation on workpiece to be processed, a power transmission exported by motor is to the transmission mechanism of executive item, one is arranged on base plate on housing and one for the governor motion of regulating base board relative to the angle of housing, wherein, governor motion comprises the operating parts of a movement between the first position and the second position, one for being fixed on the non-threaded fastener on housing by base plate, the first cam surface driven by operating parts and the second cam surface be arranged on housing, in primary importance, first cam surface and the second cam surface engage each other, base plate is clamped on housing, in the second place, first cam surface and the second cam surface depart from engagement, base plate can be conditioned relative to the angle of housing.By adopting non-threaded fastener to be fixed on housing by base plate, avoiding the inefficacy of the governor motion that the rotation of threaded fastener in operation process causes, thus guaranteeing the reliability of governor motion.Further, just can realize the fixing of base plate or release without the need to extra aid.
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 comprises a housing, one is contained in the motor in housing, the executive item of an operation on workpiece to be processed, the transmission mechanism rotary motion of described motor being converted to executive item motion and one are used for the governor motion of regulating base board relative to the angle of housing, base plate is arranged on housing, wherein, governor motion comprises the operating parts of a movement between the first position and the second position, one for being fixed on the non-threaded fastener on housing by base plate, the first cam surface driven by operating parts and the second cam surface be arranged on housing, in primary importance, first cam surface and the second cam surface engage each other, base plate is clamped on housing, in the second place, first cam surface and the second cam surface depart from engagement, base plate can be conditioned relative to the angle of housing.By adopting non-threaded fastener to be fixed on housing by base plate, avoiding the inefficacy of the governor motion that the rotation of threaded fastener in operation process causes, thus guaranteeing the reliability of governor motion.Further, just can realize the fixing of base plate or release without the need to extra aid.
By carry out below in conjunction with accompanying drawing to the detailed description realizing embodiments of the invention, should be readily appreciated that 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 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 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 hand held power machine in Fig. 3;
Fig. 5 be hand held power machine in Fig. 1 for the axonometric drawing of regulating base board relative to the governor motion of the angle of housing;
Fig. 6 is the upward view that the base plate of hand held power machine in first embodiment of the invention is positioned at clamped position;
Fig. 7 is the base plate of hand held power machine in first embodiment of the invention can be adjusted to multiple angle schematic diagram relative to housing;
Fig. 8 is the schematic perspective view that the base plate of 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 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 hand held power machine in Figure 10;
Figure 12 be hand held power machine in Fig. 8 for the axonometric drawing of regulating base board relative to the governor motion of the angle of housing;
Figure 13 is the upward view that the base plate of hand held power machine in second embodiment of the invention is positioned at clamped position;
Figure 14 is the base plate of hand held power machine in second embodiment of the invention can be adjusted to multiple angle schematic diagram relative to housing.
Detailed description of the invention
Hand held power machine, generally includes a handle gripped for user, housing, the motor be contained in this housing, executive item workpiece to be processed being carried out to operation and the power transmission that exported by motor 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 the governor motion of regulating base board relative to 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 that lists.
Specifically, refer to Fig. 1-3, which disclose a kind of hand held power machine 10, as preferably the first embodiment, this hand held power machine is a kind of reciprocating saw, it comprises housing 20, the motor 30 be contained in housing 20, workpiece to be processed is carried out reciprocating cutting saw blade 40, the rotary motion of motor is converted to saw blade reciprocating transmission mechanism 50, install on the housing 20 and relative to housing 20 angle rotatable base plate 60 and be used for the governor motion 70 of regulating base board relative to the angle of housing.Well known to those skilled in the art, for reciprocating saw, executive item is here then saw blade, and its transmission mechanism is used to the reciprocating motion rotary motion of motor being converted to saw blade.If hand held power machine is a kind of electric circular saw, then executive item is then saw blade, and saw blade can cut workpiece to be processed rotatably, and its transmission mechanism is used to the rotary motion rotary motion of motor being converted to 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 carry out milling to workpiece to be processed rotatably, and its transmission mechanism is used to the rotary motion rotary motion of motor being converted to 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 comprises the pinion 51 be connected with motor shaft, the gear wheel 52, the eccentric part 53 be arranged on the end face of gear wheel 52 that engage also transferring rotational motion with pinion 51, is connected and the sliding tray 54 that eccentric part 53 is within it slided and the reciprocating lever 55 be fixedly linked with sliding tray 54 with eccentric part 53.Wherein, the rotary motion being delivered to gear wheel 52 via pinion 51 is converted into the reciprocating motion of reciprocating lever 55 by being arranged on eccentric part 53 on gear wheel 52 and sliding tray 54, end and the saw blade 40 of reciprocating lever 55 are fixedly linked, thus drive saw blade 40 to move back and forth.Base plate 60 generally includes planar portions 61 and arcuation portion 62, planar portions 61 for the surface contact with workpiece to be processed to provide the constant cutting angle on the surface relative to workpiece to be processed, arcuation portion 62 is generally used for the facility of installing, the securing member of fixed base plate is arranged in arcuation portion 62, make securing member do not protrude from planar portions 61 with guarantee can not with the Surface Interference of workpiece to be processed.
As shown in Figures 4 and 5, disclose in the first embodiment for the bottom plate adjusting mechanism 70 of regulating base board 60 relative to the angle of housing 20, this governor motion 70 comprises operating parts 71, securing member 72, support member 73, first cam surface 74 and the second cam surface 75.Wherein operating parts 71 comprises the operating portion 711 and connecting portion 712 that operate for user, and operating portion 711 is preferably set to operate spanner.Securing member 72 can be set at least one, and as preferably, adopt two securing members in the present embodiment, they all present with the form of threaded fastener.Securing member 72 comprises the first bolt 721, first nut 722, second bolt 723 and the second nut 724 further.The first bolt 721 wherein passes completely through the first through hole 63 on base plate 60 and partially passes through housing 20, is connected with the first nut 722 screw threads for fastening arranged on the housing 20 at one end place of the first bolt 721.The second bolt 723 wherein passes completely through the second through hole 64 on base plate 60 and partially passes through housing 20, is connected with the second nut 724 screw threads for fastening arranged on the housing 20 at one end place of the second bolt 723.Operating parts 71 setting is arranged on the support member 73 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 coincidence is arranged, 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, pressing plate 76 is respectively arranged with three through holes, two through holes are respectively used to passing of the first bolt 721 and the second bolt 723, a through hole is also had to be used for passing of 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 departs from the second cam surface 75 and engages, making to there is enough 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 also can by the elastic component (not shown) be arranged on support member 73 towards the first cam 74 and the second cam surface 75 intermeshing direction bias voltage.For the ease of the operation of operating parts 71, prevent the first bolt 722 pairs of 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 is arranged with the 5th longitudinal axis Z with becoming obtuse angle, the first bolt 722 and connecting portion 712 so then can be avoided to interfere and affect operating parts 71 and can not move to primary importance.
Well known to those skilled in the art, the operating portion 711 of operating parts 71 also can be arranged to other form, as button, knob, folding rod etc., when the operating portion 711 of operating parts 71 adopts the form of button, button movement between the first position and the second position, make the first cam surface and the second cam surface engage to engage with disengaging between move, thus realize clamping and releasing of base plate 60; When the operating portion 711 of operating parts 71 adopts the form of knob, knob movement between the first position and the second position, make the first cam surface and the second cam surface engage to engage with disengaging between move, thus realize clamping and releasing of base plate 60; When the operating portion 711 of operating parts 71 adopts the form of folding rod, after folding rod is opened, the arm of force is longer, user can labour-saving mobile folding rod between the first position and the second position more, make the first cam surface and the second cam surface engage to engage with disengaging between move, thus realize clamping and releasing of base plate 60.
Well known to those skilled in the art, so-called " securing member " can for realizing any version be fixed on by base plate on housing, here " securing member " can be set to the combination of the threaded fastener of bolt nut, also the combination of the non-threaded fastener of clamp shaft and fixed head can be set to, when being wherein set to the combination of non-threaded fastener, clamp shaft can not arrange screw thread, but this clamp shaft passes completely through the through hole of base plate and partially passes through housing, be connected with fixed head in one end of clamp shaft, thus base plate is fixed on housing.Certainly, multiple securing member can be arranged to, such as 3 or 4 securing members, base plate all can be realized to be fixed on housing, in multiple securing member, also can be arranged to the combination that at least one securing member adopts the threaded fastener of bolt nut.
Well known to those skilled in the art, so-called " support member " can for realizing any version of support operation part, here " support member " can be set 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 " also can be such setting, boss or the groove of ring-type is formed at the connecting portion 712 of operating parts 71, on housing, be then 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 on such housing or annular boss then constitute the support member of support operation part.
Well known to those skilled in the art, first longitudinal axis V and the second longitudinal axis W not conllinear can be any forms that the first longitudinal axis V is not overlapped with the second longitudinal axis W, the first longitudinal axis V in preferred embodiment and the second longitudinal axis W is parallel to each other, and in other embodiments, first longitudinal axis V and the second longitudinal axis W also can crossing or antarafacials, its main purpose is: operating parts 71 and securing member 72 non-coaxial are arranged, thus the moment of friction making the rotation because of operating parts 71 produce can not be delivered on securing member 72 further, thus effectively can 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 the plane or curved surface of extending in its axial direction relative to the planar section of certain component, also can be arranged to two have rightabout inclined-plane or other form easily expected as " cam surface ".Here the first cam surface 74 can be set directly on the connecting portion 712 of operating parts 71, also can, by the form of other middleware, make the motion of operating parts 71 that the first cam surface 74 can be driven to move.As long as the first cam surface 74 here and the second cam surface 75 have relative motion between the two, then can realize the engagement between two cam surfaces or depart from engagement.Certainly, here cam surface engagement or disengaging engagement, might not be direct engagement between two cam surfaces or directly depart from engagement, also can be provided with middleware between two cam surfaces, make to realize indirectly engaging or indirectly departing from engagement between two cam surfaces.
The process will being released by the base plate 60 in Fig. 4-7 detailed description the first embodiment and being clamped below.
As 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 and the surface contact of workpiece to be processed are to provide the constant cutting angle on the surface relative to workpiece to be processed, when needs carry out base plate angular adjustment, during as the angle of base plate being replaced with the dotted line position in Fig. 7, 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, its angle relative to housing then can be adjusted to the dotted line position in Fig. 7, 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 departed from the second cam surface 75 engage, 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, make to there is no gap between base plate 60 and housing 20 with engaging of the second cam surface 75 by the first cam surface 74, 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, the opposite side in arcuation portion 62 is provided with operating parts 71, and base plate 60 and housing 20 are clamped between operating parts 75 and clamping plate 78.Operating parts 71 to move to the second place from primary importance or move to from the second place primary importance process, a connector 77 is combined with the connecting portion 712 of operating parts 71 and limits its rotary motion by least one securing member 72, thus the moment of friction produced because of the pivotable 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 can not be delivered on securing member 72 further, thus effectively can prevent the inefficacy of the governor motion 70 likely caused because of the driven rotation of securing member.Well known to those skilled in the art, this connector 77 also can be arranged to pressing plate 76 one.
As shown in figures 8-13, the hand held power machine 100 with base plate angular adjustment in second embodiment of the invention is disclosed, as preferably, still for a kind of reciprocating saw.
Specifically, refer to Fig. 8-10, reciprocating saw comprises housing 200, be arranged on housing 200 and relative to the base plate 300 of housing 200 angle rotatable and for the governor motion 400 of regulating base board 300 relative to the angle of housing 200, this reciprocating saw also can comprise motor, executive item and transmission mechanism etc. as in the first embodiment, does not repeat them here.Base plate 300 generally includes planar portions 310 and arcuation portion 320, planar portions 310 for the surface contact with workpiece to be processed to provide the constant cutting angle on the surface relative to workpiece to be processed, arcuation portion 320 is generally used for the facility of installing, the securing member of fixed base plate 300 is arranged in arcuation portion 320, make securing member do not protrude from planar portions 310 with guarantee can not 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 the governor motion 400 of regulating base board 300 relative to the angle of housing 200, this governor motion 400 comprises operating parts 410, securing member 420, first cam surface 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 comprises the operating portion 411 and connecting portion 412 that operate for user, and operating portion 411 is preferably set to operate spanner.Securing member 420 can be set at least one, and as preferably, adopt 1 securing member in the present embodiment, it presents with the form of non-threaded fastener.Securing member 420 comprises clamp shaft 421 and fixture 422 further.Clamp shaft 421 wherein passes completely through the first through hole 330 on base plate 300 and partially passes through housing 200, at one end place of clamp shaft 421 and fixture 422 is non-threaded is fastenedly connected, as preferably, clamp shaft 421 and non-threaded being fastenedly connected of fixture 422 adopt such form to realize, clamp shaft 421 is provided with plat part 423, fixture 422 is provided with protruding 424, the projection 424 of fixture 422 is inserted into the plat part 423 of clamp shaft 421 after clamp shaft 421 is mounted on housing 200 and base plate 300, this fixture 422 to be contained on clamping plate 450 and to be clamped plate 450 and limits rotary motion, also be 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 carry out alternative 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 ' overlaps with the second longitudinal axis Y ' and arranges, 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, pressing plate 460 is respectively arranged with a through hole, this through hole is used for passing of clamp shaft 421, in primary importance, first cam surface 430 engages with the second cam surface 440, base plate 300 is made to be clamped on housing 200, in the second place, first cam surface 430 departs from the second cam surface 440 and engages, making to there is enough 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, gap between usual base plate 300 and housing 200 keeps within the specific limits, if excessive, then when clamping, likely between base plate 300 and housing 200, still there is gap, if too small, then upon release, likely base plate 300 is still clamped on housing 200, here excesssive gap or too small usually because assembling or dimensional tolerance cause, for the ease of the gap between micro-adjustment housings 200 and base plate 300, be provided with a micro-adjusting mechanism 470 here.This micro-adjusting mechanism 470 comprises the first inclined-plane 472, inclined-plane 471, second and fine setting operating parts 473.Compact in order to 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, namely when the motion along with fine setting operating parts 473, can make the second inclined-plane 472 towards or move 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 establish female second inclined-plane 472 towards or move away from the first inclined-plane 471, thus realize the adjustment 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 also can be arranged to other form, as button, knob, folding rod etc., when the operating portion 411 of operating parts 410 adopts the form of button, button movement between the first position and the second position, make the first cam surface and the second cam surface engage to engage with disengaging between move, thus realize clamping and releasing of base plate 300; When the operating portion 411 of operating parts 410 adopts the form of knob, knob movement between the first position and the second position, make the first cam surface and the second cam surface engage to engage with disengaging between move, thus realize clamping and releasing of base plate 300; When the operating portion 411 of operating parts 410 adopts the form of folding rod, after folding rod is opened, the arm of force is longer, user can labour-saving mobile folding rod between the first position and the second position more, make the first cam surface and the second cam surface engage to engage with disengaging between move, thus realize clamping and releasing of base plate 60.
Well known to those skilled in the art, the first cam surface 471 here can be set directly on the connecting portion 412 of operating parts 410, also can, by the form of other middleware, make the motion of operating parts 410 that the first cam surface 471 can be driven to move.As long as the first cam surface 471 here and the second cam surface 472 have relative motion between the two, then can realize the engagement between two cam surfaces or depart from engagement.Certainly, here cam surface engagement or disengaging engagement, might not be direct engagement between two cam surfaces or directly depart from engagement, also can be provided with middleware between two cam surfaces, make to realize indirectly engaging or indirectly departing from engagement between two cam surfaces.
Well known to those skilled in the art, " the first inclined-plane " and " the second inclined-plane " also can be arranged to other form, the purposes on so-called " the first inclined-plane " and " the second inclined-plane " is to realize certain component moving axially thus causing this component to change relative to another component gap in the vertical relative to another component, therefore " the first inclined-plane " and " the second inclined-plane " also can arrange curved surface, projection or other anyly can realize certain component moving axially thus causing the version that this component changes 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 also can be arranged to other form, as button, folding rod etc., when the operating portion 411 of operating parts 410 adopts the form of button, button movement between the two positions, make the second inclined-plane 472 towards or move away from the first inclined-plane 471, thus realize the adjustment in the gap between housing 200 and base plate 300; When operating parts 473 adopts the form of folding rod, after folding rod is opened, the arm of force is longer, user can move on driving second inclined-plane 472 between the two positions, labour-saving more, make the second inclined-plane 472 towards or move away from the first inclined-plane 471, thus realize the adjustment in the gap between housing 200 and base plate 300.The motion of certain fine setting operating parts 473, as long as make to produce relative moving axially between the first inclined-plane and the second inclined-plane 472, likely the first inclined-plane is driven together with the second inclined-plane in certain embodiments, or only drive the first inclined-plane, but still produce relative moving axially between the first inclined-plane and the second inclined-plane.And adopting separately micro-adjusting mechanism cannot realize being clamped and being released of base plate, it is for the minor adjustments in the gap between housing and base plate.
The process will being released by the base plate 300 in Figure 11-14 detailed description the second embodiment and being clamped below.
First, adopt micro-adjusting mechanism 470 by the gap adjustment between base plate 300 and housing 200 in suitable scope, 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 and the surface contact of workpiece to be processed are to provide the constant cutting angle on the surface relative to workpiece to be processed, when needs carry out base plate angular adjustment, during as the angle of base plate being replaced with the dotted line position in Figure 14, 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, its angle relative to housing then can be adjusted to the dotted line position in Figure 14, 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 departed from the second cam surface 440 engage, 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, make to there is no gap between base plate 60 and housing 20 with engaging of the second cam surface 440 by the first cam surface 430, 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, the opposite side in arcuation portion 320 is provided with operating parts 410, and base plate 300 and housing 200 are clamped between operating parts 410 and clamping plate 450.
Disclosed hand held power machine and be not limited to the structure representated by the content described in above embodiment and accompanying drawing for the base plate of hand held power machine.The apparent change that basis of the present invention is done the technical program, to substitute or amendment, all within the scope of protection of present invention.
Claims (12)
1. a hand held power machine, comprise a housing, a motor be contained in described housing, the executive item of an operation on workpiece to be processed, the transmission mechanism of described executive item is given in a power transmission exported by described motor, base plate on the housing and one are installed for regulating described base plate relative to the governor motion of the angle of described housing for one, it is characterized in that: described governor motion comprises the operating parts of a movement between the first position and the second position, one for fixing non-threaded fastener on the housing by described base plate, the first cam surface driven by described operating parts and the second cam surface installed on the housing, in primary importance, described first cam surface and described second cam surface engage each other, described base plate is clamped on the housing, in the second place, described first cam surface and described second cam surface depart from engagement, described base plate can be conditioned relative to the angle of described housing.
2. hand held power machine according to claim 1, is characterized in that: described governor motion also comprises the micro-adjusting mechanism for regulating the gap between described housing and described base plate.
3. hand held power machine according to claim 2, it is characterized in that: described micro-adjusting mechanism comprises the first inclined-plane and the second inclined-plane relative to the movement between the 3rd position and the 4th position of the first inclined-plane, in the 3rd position, gap smaller between described first cam surface and the second cam surface, in the 4th position, the gap between described first cam surface and the second cam surface becomes large.
4. hand held power machine according to claim 3, is characterized in that: described micro-adjusting mechanism also comprises the fine setting operating parts that drives a movement between the 3rd position and the 4th position in described first inclined-plane or the second inclined-plane.
5. hand held power machine according to claim 4, is characterized in that: described fine setting operating parts is threaded with in described first inclined-plane or the second inclined-plane to drive this inclined-plane to move between the 3rd position and the 4th position.
6. hand held power machine according to claim 1 and 2, it is characterized in that: described non-threaded fastener comprises a clamp shaft and a fixture, described clamp shaft passes completely through described base plate and partially passes through described housing and be connected with described fixture is fastening at one end.
7. hand held power machine according to claim 1 and 2, is characterized in that: described governor motion also comprises a clamping plate, and described base plate has an arcuation portion, and described clamping plate and described operating parts lay respectively at the both sides in described arcuation portion.
8. hand held power machine 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 converts the rotary motion of described motor the reciprocating motion of described saw blade to.
9. a bottom plate adjusting mechanism, for regulating the base plate angle of hand held power machine, described hand held power machine comprises a housing, a motor be contained in described housing, the executive item of an operation on workpiece to be processed, the power transmission of the output of described motor given the transmission mechanism of described executive item and one governor motion being used for the angle regulating described base plate relative to described housing for one, described base plate is installed on the housing, it is characterized in that: described governor motion comprises the operating parts of a movement between the first position and the second position, one for fixing non-threaded fastener on the housing by described base plate, the first cam surface driven by described operating parts and the second cam surface installed on the housing, in primary importance, described first cam surface and described second cam surface engage each other, described base plate is clamped on the housing, in the second place, described first cam surface and described second cam surface depart from engagement, described base plate can be conditioned relative to the angle of described housing.
10. bottom plate adjusting mechanism according to claim 9, is characterized in that: described governor motion also comprises the micro-adjusting mechanism for regulating the gap between described housing and described base plate.
11. bottom plate adjusting mechanisms according to claim 10, it is characterized in that: described micro-adjusting mechanism comprises the first inclined-plane and the second inclined-plane relative to the movement between the 3rd position and the 4th position of the first inclined-plane, in the 3rd position, gap smaller between described first cam surface and the second cam surface, in the 4th position, the gap between described first cam surface and the second cam surface becomes large.
12. bottom plate adjusting mechanisms according to claim 11, is characterized in that: described micro-adjusting mechanism also comprises the fine setting operating parts that drives a movement between the 3rd position and the 4th position in described first inclined-plane or the second inclined-plane.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310422578.1A CN104440798B (en) | 2013-09-16 | 2013-09-16 | Handheld machine tool and bottom plate adjusting mechanism applied to same |
| FR1458699A FR3010649B3 (en) | 2013-09-16 | 2014-09-16 | HAND TOOL MACHINE, IN PARTICULAR A JIGSAW |
| DE202014104382.9U DE202014104382U1 (en) | 2013-09-16 | 2014-09-16 | Hand-held machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310422578.1A CN104440798B (en) | 2013-09-16 | 2013-09-16 | Handheld machine tool and bottom plate adjusting mechanism applied to same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104440798A true CN104440798A (en) | 2015-03-25 |
| CN104440798B CN104440798B (en) | 2017-05-17 |
Family
ID=52887950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310422578.1A Expired - Fee Related CN104440798B (en) | 2013-09-16 | 2013-09-16 | Handheld machine tool and bottom plate adjusting mechanism applied to same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104440798B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4221051A (en) * | 1979-05-30 | 1980-09-09 | The Singer Company | Circular saw with improved base plate adjustment |
| JPH0760538A (en) * | 1993-08-24 | 1995-03-07 | Makita Corp | Mounting structure for base in cutting tool |
| DE29513616U1 (en) * | 1995-08-24 | 1996-12-19 | Scintilla Ag, Solothurn | Jigsaw |
| US6357124B1 (en) * | 1998-07-10 | 2002-03-19 | Porter-Cable Corporation | Clamp system for a jigsaw tilt base |
| EP1586399A1 (en) * | 2004-04-14 | 2005-10-19 | Techtronic Industries Co., Ltd. | 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 |
| CN101786186A (en) * | 2008-12-22 | 2010-07-28 | 罗伯特·博世有限公司 | Hand-held power tool device |
| CN102000879A (en) * | 2009-08-31 | 2011-04-06 | 苏州宝时得电动工具有限公司 | Reciprocating saw |
| CN203485149U (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 CN201310422578.1A patent/CN104440798B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4221051A (en) * | 1979-05-30 | 1980-09-09 | The Singer Company | Circular saw with improved base plate adjustment |
| JPH0760538A (en) * | 1993-08-24 | 1995-03-07 | Makita Corp | Mounting structure for base in cutting tool |
| DE29513616U1 (en) * | 1995-08-24 | 1996-12-19 | Scintilla Ag, Solothurn | Jigsaw |
| US6357124B1 (en) * | 1998-07-10 | 2002-03-19 | Porter-Cable Corporation | Clamp system for a jigsaw tilt base |
| EP1586399A1 (en) * | 2004-04-14 | 2005-10-19 | Techtronic Industries Co., Ltd. | 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 |
| CN101786186A (en) * | 2008-12-22 | 2010-07-28 | 罗伯特·博世有限公司 | Hand-held power tool device |
| CN102000879A (en) * | 2009-08-31 | 2011-04-06 | 苏州宝时得电动工具有限公司 | Reciprocating saw |
| CN203485149U (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 |
|---|---|
| CN104440798B (en) | 2017-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10213852B2 (en) | Oscillating power tool | |
| AU2013101350A4 (en) | Chain Saw | |
| WO2017036403A1 (en) | Hand-held tool and clamping device thereof | |
| US9346144B2 (en) | Hand-held power tool having a support device | |
| WO2018001385A1 (en) | Cutting tool | |
| JP6715986B1 (en) | Belt polishing tool | |
| CN205414573U (en) | Metal material cutting machine | |
| US11407138B2 (en) | Electric tool | |
| AU2013404787A1 (en) | Miter saw | |
| JP2013144351A (en) | Grinder | |
| JPH078087Y2 (en) | Chamfering machine | |
| CN203485149U (en) | Handheld machine tool and base plate adjusting mechanism for same | |
| CN203485150U (en) | Handheld machine tool and base plate adjusting mechanism for same | |
| CN104440798A (en) | Handheld machine tool and bottom plate adjusting mechanism applied to same | |
| CN103934861A (en) | Table-type cutting machine | |
| CN104440797A (en) | Handheld tool machine and baseplate adjusting mechanism for handheld tool machine | |
| CN100548543C (en) | Rotary cutter type two-sided bite lathe cutter | |
| CN109051951B (en) | Position remote adjusting device and deviation correcting system | |
| US20140053418A1 (en) | Machine Tool System | |
| JP4892510B2 (en) | Cutting machine | |
| US10011036B2 (en) | Blade and blade attachment system for an oscillating tool | |
| JP2019064067A (en) | Cutting machine | |
| JP2014226732A (en) | Polishing device | |
| CN203092512U (en) | Attachment clamping mechanism and power tool with attachment clamping mechanism | |
| CN103170956A (en) | Accessory clamping mechanism and power tool with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |
Granted publication date: 20170517 Termination date: 20200916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |