CN103170954A - Machine tool - Google Patents
Machine tool Download PDFInfo
- Publication number
- CN103170954A CN103170954A CN2012105637731A CN201210563773A CN103170954A CN 103170954 A CN103170954 A CN 103170954A CN 2012105637731 A CN2012105637731 A CN 2012105637731A CN 201210563773 A CN201210563773 A CN 201210563773A CN 103170954 A CN103170954 A CN 103170954A
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- CN
- China
- Prior art keywords
- switch
- pawl element
- switch pawl
- toolroom machine
- axis
- Prior art date
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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
- B25F5/02—Construction of casings, bodies or handles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
- B24B23/028—Angle tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The present invention relates to a machine tool, especially an angle grinder. The machine tool has at least one switching unit (14) which has at least one movably mounted ratchet element (16) and at least one release element (20) that is pivotally mounted on the ratchet element (16) and is used for releasing movement lock of the ratchet element (16). The release element (20) has at least one pivot axis (22) which is formed by an axis different from an axis extending at least basically perpendicular to a main movement direction (24) of the ratchet element (24) and at least basically perpendicular to a longitudinal extending direction (26) of the ratchet element (16).
Description
Technical field
The present invention relates to a kind of toolroom machine.
Background technology
By DE102009011766A1 known a kind of toolroom machine, especially angle grinding machine, it comprises a switch element, and the switch pawl element that is used for the console switch element that this switch element has a supporting movingly is bearing in the releasing member of the motion locking that is used for the unlock switch pawl element on the switch pawl element swingably with at least one.
Summary of the invention
The present invention relates to a kind of toolroom machine, especially angle grinding machine, it comprises at least one switch element, and this switch element has at least one switch pawl element that supports movingly and at least one is bearing in the releasing member of the motion locking that is used for the unlock switch pawl element on the switch pawl element swingably.
The present invention's suggestion, described releasing member has at least one axis of oscillation, this axis of oscillation by one from the direction of primary motion that is substantially perpendicular at least the switch pawl element and be substantially perpendicular at least the different axis of axis that the longitudinal extension direction of switch pawl element extends and consist of.Toolroom machine preferably is constructed to hand tool, the toolroom machine that especially portable, hand is controlled." hand tool " especially should be understood to a kind of toolroom machine for processing work at this, and it can be by the operator without transporting with transporting machine.Hand tool especially has less than 40kg, preferably less than 10kg and particularly preferably less than the quality of 7kg.Hand tool particularly preferably is constructed to the angle grinding machine.But also can expect, hand tool has another kind of for technical staff's significant design that seems, for example as the design of hammer drill and/or chiso-mallet, rig, sabre saw, thorn saw, grass mower etc.Term " switch element " especially should be defined as a unit at this, and it has at least one and can is arranged for by operation and/or be affected and/or change process and/or the state of a unit that is coupled with switch element by input parameter by the parts of operator's direct control, especially switch pawl element and it.Preferably, the switch pawl element is supported movingly around at least one axis of movement of switch pawl element.The switch pawl element preferably is arranged at least one switch element of switch-unit.
" switch pawl element " especially should be understood to an executive component at this, it has a longitudinal extension length along the longitudinal extension direction of executive component, this longitudinal extension length is greater than a laterally extending length that is substantially perpendicular at least the extension of longitudinal extension direction of executive component, and laterally extending length extends substantially transversely at least the direction of motion of executive component and extends.Preferably, at least 2 times greatly of the maximum transversal development lengths of the maximum longitudinal extension Length Ratio switch pawl element of switch pawl element, preferably at least 4 times and particularly preferably greatly at least 6 times.The switch pawl element especially have one greater than 3cm, be preferably greater than 6cm and particularly preferably greater than the maximum longitudinal extension size of 8cm.The switch pawl element also preferably includes an operating surface, and the operator can be arranged in three fingers on this operating surface so that console switch pawl element and this operating surface have the longitudinal extension length greater than 5cm that at least one extends along the longitudinal extension direction of switch pawl element at least.Statement " perpendicular " especially should be defined as a direction with respect to the orientation of a reference direction at this, wherein, this direction and this reference direction---especially observe in a plane---angle of pressing from both sides into 90 ° and this angle have especially less than 8 °, advantageously less than 5 ° with particularly advantageously less than the maximum deviation of 2 °.Preferably, switch element is arranged for by the operation to the switch pawl element and comes the console switch element, in order to open or the closed circuit that is used at least one driver element power supply of toolroom machine.This switch element preferably is arranged for starting or the forbidding of implementation tool machine thus." setting " especially should be understood to specialized designs and/or special configuration.Switch element preferably is made of a machinery, switch element electricity and/or electronics.
" motion blocking device " especially should be understood to a blocking mechanism at this, and it is arranged at least and farthest stops parts that are supported movingly along at least one highway section and/or moving around at least one axis by a machinery, blocking device electricity and/or electronics in a running status.The motion blocking device preferably is arranged for the motion that farthest stops at least the switch pawl element that is supported movingly in a running status by the blocking device of machinery.But also can expect, the motion blocking device at least in a running status by the electromagnetic force on the switch pawl element and/or permanent magnetic effect, for example farthest stop the motion of switch pawl element by electromagnet movably.Preferably, the motion blocking device can be by the releasing member release of switch element, so that due to the operation of switch pawl element can be realized the motion of switch pawl element.Releasing member preferably at least two mutual different directions the axis of oscillation around releasing member be supported swingably so that the motion locking of unlock switch pawl element.Preferably switch element comprises at least one spring element, and to releasing member loading spring power, the motion of switch pawl element farthest is prevented from by the motion blocking device in the centre position towards the direction in centre position for it.Spring element preferably is constructed to torsional spring.But also can expect, spring element has another kind of for technical staff's significant design that seems.Particularly preferably, the axis of oscillation of releasing member at least one running status, especially in one wherein operator's finger is placed on running status on the operating surface of switch pawl element at least basically with the joint shaft of operator's finger abreast, the joint shaft with operator's forefinger arranges abreast especially at least basically." substantially parallel " especially should be understood to a direction with respect to a reference direction especially orientation in a plane at this, wherein, this direction with respect to reference direction have especially less than 8 °, advantageously less than 5 ° with particularly advantageously less than the deviation of 2 °.Be configured to one with the direction of primary motion that is substantially perpendicular at least the switch pawl element and be substantially perpendicular at least the axis that axis that the longitudinal extension direction of switch pawl element extends differently consists of by the axis of oscillation with releasing member, can advantageously realize the comfortable operation on ergonomics to releasing member.Due to releasing member support swingably in case at least two mutual different directions, the motion blocking device of unlock switch pawl element on the direction at least two opposite orientation especially, can realize particularly advantageously that releasing member is for the operation comfort on ergonomics of right-handed person and left-handed person.
The axis of movement that suggestion in addition, the axis of oscillation of releasing member extend substantially transversely to the switch pawl element at least extends." extend substantially transversely to " at this and especially should be understood to a direction and/or axis with respect to the orientation of a reference direction and/or axis of reference, wherein, this direction and/or axis are different from and reference direction and/or substantially parallel at least directed and especially crooked or vertical with respect to reference direction and/or axis of reference of axis of reference at least with respect to the orientation of reference direction and/or axis of reference.
Advantageously the axis of oscillation of releasing member tilts less than the angle [alpha] of 60 ° with respect to the longitudinal extension direction of described switch pawl element.Preferably the axis of oscillation of releasing member tilts less than 40 ° and particularly preferably less than the angle of 30 ° with respect to the longitudinal extension direction of described switch pawl element.Therefore, observe along one back to the direction of switch pawl element from the longitudinal extension direction, axis of oscillation and longitudinal extension direction are preferably pressed from both sides at least one angle less than 60 °.Preferably, the axis of oscillation of releasing member extends in the mid-plane of switch pawl element, and the longitudinal extension direction is extended in this mid-plane and this mid-plane is divided into the switch pawl element switch pawl element one side of something that two mirror images consist of symmetrically at least basically.Advantageously can realize the compact Layout of releasing member on the switch pawl element.
Suggestion in addition, switch element have at least one release and receive dead slot, and it is arranged for the blocking element that receives described switch element in the unlocked position of releasing member due to the operation to the switch pawl element.Preferably, blocking element receives in dead slot, in order to can realize the motion of switch pawl element because the operation to the switch pawl element is coupled to release in the unlocked position of releasing member.Preferably, blocking element in the locked position of coupler of releasing member backstop on the latch surfaces of releasing member so that the motion of latch switch pawl element during at the console switch pawl element.By the release that can structurally realize simply according to design of the present invention the motion blocking device.Can structurally realize simply in addition in locked position of coupler the locking to the motion of switch pawl element, its mode is to stop blocking element to be received in release in the locked position of coupler of releasing member to receive in dead slot.
Advantageously, release reception dead slot is arranged on releasing member.Preferably, release receives dead slot being arranged on releasing member at releasing member on the side of the operating surface of switch pawl element.Preferably, especially observe along the longitudinal extension direction of switch pawl element, release receives dead slot and is arranged on one of releasing member side that deviates from operating surface.The opening that therefore preferred release receives dead slot points to the direction back to the operating surface of switch pawl element.Particularly preferably, the direction of extending along the mid-plane of a switch pawl element that is substantially perpendicular at least releasing member is at least observed, and one of the releasing member fringe region that release is received the dead slot gauge has one with respect to the relative distance of the axis of oscillation of releasing member.This can advantageously realize a kind of design of saving parts.
Suggestion in addition, toolroom machine has at least one handgrip housing and at least one bearing unit, and the end that this bearing unit is arranged for when the console switch pawl element from of the switch pawl element towards the join domain of handgrip housing guarantees all the time that towards another direction back to the end that grips of join domain of switch pawl element the switch pawl element is along a stroke motion that has greater than the distance of zero value." handgrip housing " especially should be understood at least one housing or at least one housing parts zone at this, this housing or housing parts zone and the driving of toolroom machine and/or the farthest uncoupling of supporting arrangement of driven unit, wherein, but at least one handgrip zone of housing or housing parts zone, especially a housing parts zone that is constructed to handle shape handgrip zone can the person of being operated be held in order to carry hand held power machine with at least one hand at least largest portion.Statement " but largest portion ground hold " especially should be defined as the surpassing at least 70%, preferably surpass 80% and particularly preferably over the gripping property of 90% pair of parts or component area of overall elongation length of the whole excircle that extends in the plane that the longitudinal extension direction that is being substantially perpendicular to parts or component area of parts or component area is extended by operator's a hand at this, wherein, the overall elongation length of whole circumference especially less than 40cm, preferably less than 30cm and particularly preferably less than 25cm.
Preferably, when holding assembly or component area the hand inner surface of operator's hand and finger inner surface at least along the overall elongation length of whole excircle greater than 70%, be preferably greater than 80% and particularly preferably abut on whole excircle greater than 90% path.Preferably, the drive unit housing of handgrip housing and toolroom machine consists of dividually, and it is arranged for and receives driving and/or driven unit so that support drive and/or driven shaft load.But also can expect, handgrip housing and drive unit housing consist of integratedly.Preferably, the handgrip housing has the handgrip zone of a handle shape, it be arranged at least with respect to the toolroom machine principal spread direction tilt one less than 60 °, preferably less than 40 ° with particularly preferably less than the angle of 30 °.Preferably, along the rotation of driving element, especially an armature shaft of the driver element of toolroom machine and especially observe along the principal spread direction of toolroom machine, the handgrip region division of handle shape is in the driver element back.Can expect in addition, the handgrip housing has an arcuate section zone except the handgrip zone of handle shape, and this arcuate section zone is formed on the handgrip zone of handle shape.The arcuate section zone can preferably have a L shaped structural scheme, and this structural scheme extends towards the direction of join domain from the end back to the join domain of handgrip housing in handle shape handgrip zone L shapedly.
Particularly preferably, the handgrip housing comprises at least two handgrip housing shell elements, and they can interconnect in one connects the plane.Therefore, the handgrip housing preferably has a shell construction mode.But also can expect, the handgrip housing has a tank shape frame mode.Statement " join domain " especially should be defined as a zone of handgrip housing at this, the handgrip housing by this zone and drive unit hull shape in locking manner, force closure and/or material be connected in locking manner in other words that the handgrip housing directly abuts on the drive unit housing by this zone." end that can hold " especially should be understood to end, especially an end of the operating surface of switch pawl element of observing along the longitudinal extension direction of switch pawl element of switch pawl element at this, this end is stretched from the handgrip housing, the direction of especially extending along a longitudinal extension direction that is substantially perpendicular at least the switch pawl element, and can directly touch to operate this switch pawl element by the operator.By can advantageously realizing the operation of switch pawl element or switch element with very little power according to structural scheme of the present invention.In addition, the motion of switch pawl element can be advantageously realizes on the overall elongation length of the operating surface of switch pawl element and power is introduced and can be realized on the overall elongation length at operating surface.
Advantageously, bearing unit has at least one supporting member, and this supporting member is arranged on of operating area of switch element on the side of the join domain of handgrip housing.Operating area preferably is made of a switch push rod of switch element.By can particularly advantageously realizing utilizing lever principle to reach little connection power according to the supporting arrangement of switch pawl element of the present invention.
Suggestion in addition, bearing unit comprises at least one parallelogram bearing unit." parallelogram bearing unit " especially should be understood to a bearing unit at this, when it moves with respect to the handgrip housing at the switch pawl element, especially keep operating surface with respect to the orientation of handgrip housing substantial constant at least when the axis of oscillation around pawl element moves with respect to the handgrip housing.Preferably, supporting member is especially observed the structure that presents a parallelogram in a plane in the mutual straight line of fabricating of supporting member connects.Thus can be advantageously due to the operation of switch pawl element and realize uniform stroke motion on the direction of handgrip housing on the whole operating surface of switch pawl element.Can advantageously realize thus the comfortable operability to the switch pawl element.
Advantageously, the parallelogram bearing unit has at least one parallelogram supporting member, and it is arranged for the operating area that comes the console switch element according to the motion of switch pawl element.Preferably, the parallelogram bearing unit is constructed to lever.The parallelogram bearing unit preferably is connected with a supporting member that is arranged in the handgrip housing of bearing unit with an end.The parallelogram bearing unit preferably is connected with the supporting member that another end and another are arranged on the switch pawl element in addition.The parallelogram bearing unit preferably comes the operating area that is constructed to the switch push rod of console switch element so that the starting toolroom machine according to the motion of switch pawl element.This can advantageously realize the operation to the saving parts of executive component, and its mode is that the parallelogram bearing unit can be born supporting functions and operating function.
Suggestion in addition, the parallelogram bearing unit has at least one parallelogram supporting member, and at least one blocking element of described switch element is arranged on this parallelogram supporting member.Blocking element preferably is constructed to the locking bolt.At this, blocking element in the locked position of coupler corresponding with centre position releasing member releasing member with the latch surfaces mating reaction of releasing member in order to the switch pawl element is carried out the motion locking.This can structurally realize the motion of switch pawl element simply in the locked position of coupler of releasing member.
The present invention relates in addition a kind of toolroom machine switching device according to toolroom machine of the present invention, wherein, the toolroom machine switching device comprises the switch electric unit at least.Can expect in addition, the toolroom machine switching device has at least one and is used for propping up movingly the toolroom machine switching device of bearing switch pawl element.Bearing unit can be configured to translation bearing unit, swivel bearing unit or by the constituting of translation bearing unit and swivel bearing unit, for example lever drive bearing unit etc. at this.Can advantageously use according to switch element of the present invention thus the toolroom machine that has existed is simply reequiped.
Should not be limited to above-mentioned application and embodiment according to toolroom machine of the present invention and/or according to toolroom machine switching device of the present invention at this.Especially can have the quantity different from the quantity of each element, parts and the unit mentioned according to toolroom machine of the present invention and/or according to toolroom machine switching device of the present invention here in order to satisfy working method described here.
Description of drawings
Other advantage is provided by following description of drawings.One embodiment of the present of invention shown in the drawings.Accompanying drawing, specification and claim combine and contain large measure feature.The technical staff also considers individually aptly these features and is combined into significant other combination.It illustrates:
Fig. 1 illustrates according to toolroom machine of the present invention with schematic diagram;
Fig. 2 illustrates detailed view according to the switch element of toolroom machine of the present invention with schematic diagram;
Fig. 3 illustrates another detailed view according to the switch element in not operated state of toolroom machine of the present invention with schematic diagram;
Fig. 4 illustrates another detailed view according to the switch element in operated state of toolroom machine of the present invention with schematic diagram.
The specific embodiment
Fig. 1 illustrates a toolroom machine 10, and it is made of a hand tool 10 that is configured to angle grinding machine 12.This hand tool 10 has at least one switch element 14, and this switch element comprises switch pawl element 16(Fig. 2 of at least one switch element 18 that is used for switch-unit 14 that at least one supports movingly) and at least one be bearing in swingably releasing member 20(Fig. 2 for the motion locking of this switch pawl element 16 of release on switch pawl element 16).At this, hand tool 10 has at least one toolroom machine switching device, which comprises at least described switch element 14 and is used for supporting movingly the bearing unit 38 of the switch pawl element 16 of switch element 14 with at least one.The hand tool 10 that consists of as angle grinding machine 12 also comprises a protective cover unit 60, a handgrip housing 36, a drive unit housing 62 and a slave unit housing 74.The handle shape handgrip zone 64 of handgrip housing 36 forms a Top carry handle of hand tool 10 here.Top carry handle extends until a side 100 of handgrip housing 36 from join domain 40s of handgrip housing 36 in a direction back to join domain 40 at least basically, is provided with the cable that is used for power supply of the hand tool 10 that is configured to angle grinding machine 12 on this side.The handle shape handgrip zone 64 of handgrip housing 36 tilts with respect to the principal spread direction 66 of hand tool 10 and arranges less than 30 ° of angles ground.
An output shaft that is configured to main shaft (not being shown specifically) here of a driven unit 68 of hand tool 10 extends out from slave unit housing 74, can fix a process tool 70 that is used for processing work (not being shown specifically) here on this output shaft.Process tool 70 is constructed to grinding disc.But also can expect, process tool 70 is constructed to cut apart or polishing disk.Hand tool 10 comprises for the drive unit housing 62 of the driver element 72 that receives hand tool 10 with for the slave unit housing 74 that receives driven unit 68.Driver element 72 is arranged for by driven unit 68 and drives rotatably process tool 70.Process tool 70 can here can not be connected so that processing work with main shaft by a retaining element (here not being shown specifically) with relatively rotating.Therefore what process tool 70 can be at hand tool 10 is a kind of in service driven rotatably.By driver element 72 one of driven unit 68 be configured to pinion and rotatably driven driving element (here not being shown specifically) be connected with driver element 72 with method for mode known to the skilled with a kind of.This external slave unit housing 74 is provided with an additional handgrip 76.Additional handgrip 76 principal spread direction 66 transverse to hand tool 10 in a state that is installed on slave unit housing 74 extends.
Fig. 2 illustrates a detailed view of switch element 14, and it has the switch pawl element 16 that is used for console switch element 18 of supporting movingly and is bearing in swingably the releasing member 20 of the motion locking that is used for unlock switch pawl element 16 on switch pawl element 16.One of being arranged in a kind of confined state in the interior zone of handgrip housing 36 receives in dead slot 90 switch element 18.Principal spread direction 66 along hand tool 10 is observed, and releasing member 20 is arranged in of switch pawl element 16 on the end 42 of the join domain 40 of handgrip housing 36.Here this releasing member 20 has at least one axis of oscillation 22, and the different axis of the axis that this axis of oscillation extends from the direction of primary motion 24 that is substantially perpendicular at least switch pawl element 16 and the longitudinal extension direction 26 that is substantially perpendicular at least switch pawl element 16 by consists of.The principal spread direction 66 that the direction of primary motion 24 of switch pawl element 16 extends substantially transversely to hand tool 10 at least extends.Principal spread direction 66 inclinations with respect to hand tool 10 in an installment state of hand tool 10 of the longitudinal extension direction 26 of switch pawl element 16 are extended less than the angle of 30 °.Principal spread direction 66 here extends and/or vice versa from handgrip housing 36s towards the direction of slave unit housing 74.Switch element 14 comprises that also at least one release receives dead slot 30, and it is arranged in the unlocked position of releasing member 20 due to the operation of switch pawl element 16 and a blocking element 32 of receiving key unit 14.Release receives dead slot 30 and is arranged on releasing member 20.Releasing member 20 altogether has two and discharges reception dead slot 30, and they arrange (these only are shown discharge one that receives in dead slots 20) symmetrically with respect to releasing member 20 level crossing pictures that extend by the axis of oscillation 22 of releasing member 20 in Fig. 2.
In order to prop up movingly bearing switch pawl element 16, hand tool 10 has at least one bearing unit 38, and the 42s, end that it is arranged in the operation of switch pawl element 16 from of switch pawl element 16 towards the join domain 40 of handgrip housing 36 guarantee all the time that towards another direction back to the end that grips 44 of join domain 40 of switch pawl element 16 switch pawl element 16 is along a stroke motion that has greater than the distance of zero value.Bearing unit 38 has at least one supporting member 46, and supporting member is arranged on of operating area 52 of switch element 18 on the side 50 of the join domain 40 of handgrip housing 36.Bearing unit 38 has four supporting members 46,48 altogether, they be arranged on switch element 18 operating area 52 on the side 50 of the join domain 40 of handgrip housing 36 (two in these four supporting members 46,48 only are shown in Fig. 2).Here, each two in four supporting members 46,48 are arranged in one of handgrip housing shell element 78,80.Supporting member 46,48 is constructed to support bolt.The supporting bolt is configured to one with corresponding handgrip housing shell element 78,80.But also can expect, the supporting member 46,48 that is configured to support bolt consist of dividually with handgrip housing shell element 78,80 and by a kind of for the technical staff seem significant connected mode, for example and/or force closure sealed by shape is connected with corresponding handgrip housing shell element 78,80 with being connected and fixed.
The lever supporting element 82,84 of bearing unit 38 is set on supporting member 46,48 movingly.Lever supporting element 82,84 arranges at least basically in parallel to each other.Lever supporting element 82,84 is arranged on switch pawl element 16 back to supporting member 46, one of 48 end movingly with one respectively in addition.Switch pawl element 16 comprises switch pawl-bearing element 86,88 for this reason, and they are connected in order to supporting member 46,48 is arranged on switch pawl element 16 movingly with supporting member 46,48 end.Switch pawl-bearing element 86,88 is configured to bolt shape.In addition switch pawl-bearing element 86,88 and switch pawl element 16 consist of integratedly.But also can expect, switch pawl-bearing element 86,88 consist of dividually with switch pawl element 16 and by a kind of for the technical staff seem significant connected mode, for example and/or force closure sealed by shape is connected with switch pawl element 16 with being connected and fixed.Bearing unit 38 also comprises at least one parallelogram bearing unit 54.Parallelogram bearing unit 54 has at least one parallelogram supporting member 56, and it is arranged for the operating area 52 that comes console switch element 18 according to the motion of switch pawl element 16.Operating area 52 is made of a switch push rod of switch element 18.In addition, the blocking element 32 of switch element 14 is arranged on the motion locking that is used for switch pawl element 16 on parallelogram supporting member 56.Parallelogram bearing unit 54 has at least two parallelogram supporting members 56,58 altogether.Parallelogram supporting member 56,58 here is made of lever supporting element 82,84.Be subject to the supporting of parallelogram bearing unit 54 due to switch pawl element 16, the longitudinal extension direction 26 of switch pawl element 16 is maintained all the time with respect to being oriented in when being operated by the operator of principal spread direction 66 of hand tool 10.Therefore, the operating surface 92 of switch pawl element 16 is held equally all the time with respect to the operation due to switch pawl element 16 of the orientation of handgrip housing 36.
In order to start hand tool 10, (Fig. 3)---this centre position blocking element 32 in to the operation of switch pawl element 16 backstop on a latch surfaces 94 of releasing member 20 and at least farthest stop thus the motion of switch pawl element 16---swings to around axis of oscillation 22 in a unlocked position (Fig. 4) of releasing member 20 releasing member 20 from a centre position of releasing member 20.Make thus release receive dead slot 30 and move in a position, observe along the direction that the axis of oscillation 22 at least substantially parallel to releasing member 20 extends, one of release reception dead slot 30 aligns with blocking element 32 with flushing in this position.Therefore, blocking element 32 can enter into due to the operation to switch pawl element 16 release and receive one of dead slot 30 in order to can realize the motion of switch pawl element 16 on the direction of handgrip housing 36.Thus by the motion locking of releasing member 20 around the oscillating motion unlock switch pawl element 16 of axis of oscillation 22.By the motion of a switch pawl element 16 that is caused at the operating physical force of switch pawl element 16 by the operator after the release of motion locking towards the direction of handgrip housing 36, switch pawl element 16 is around axis of movement 28 motions of switch pawl element 16.Here, the longitudinal extension direction 26 of maintained switch pawl element 16 is directed with respect to the angle of the outer surface of handgrip housing 36 at least basically due to parallelogram bearing unit 54 for the operating surface 92 of switch pawl element 16.
Releasing member 20 is supported in order to carry out the motion locking of switch pawl element 16 at least two mutual different directions swingably around axis of oscillation 22.Switch element 14 also has at least one spring element 96, and it loads a spring force to releasing member 20 on the direction in the centre position of releasing member 20, and the motion of switch pawl element 16 farthest is prevented from by the motion locking in the centre position.Spring element 96 preferably is constructed to torsional spring.Switch element 14 has an other spring element 98 in order to form the safety switch function in addition.This other spring element 98 is configured to, because spring force can make after the effect of operating physical force on switch pawl element 16 of cancelling the operator in the effect on switch pawl element 16 during 16 towards directions back to handgrip housing 36 of switch pawl element move to the initial position of switch pawl element 16.Here, this other spring element 98 is made of a spring element to the switch push rod loading spring power of switch element 18 of switch element 18.Therefore this other spring element 98 applies a spring force to switch pawl element 16 by parallelogram supporting member 56, this parallelogram supporting member due to switch pawl element 16 towards the motion of the direction of handgrip housing 36 and the operating area that is configured to the switch push rod 52 of console switch element 18.Switch pawl element 16 is moved towards the direction back to handgrip housing 36 after the effect of the operating physical force of cancelling the operator.Towards back to the motion of handgrip housing 36 and due to the spring force of spring element 96, releasing member 20 moves in the centre position due to switch pawl element 16.Therefore switch element 14 is arranged in an initial position, and the motion locking that moves through of switch pawl element 16 is prevented from least as much as possible in this initial position.
what can expect in a kind of shift design scheme that is not shown specifically here of hand tool 10 is, hand tool 10 has a starting blocking device electricity and/or electronics except the mechanical movement blocking device, in case for example hand tool 10 sensor unit senses and is placed on handgrip housing 36 except a hand, especially outside on handle shape handgrip zone 64, operator's another hand is placed on additional handgrip 76 and forbids starting locking electricity and/or electronics by control and/or the regulon of hand tool 10 thus, starting blocking device this electricity and/or electronics can be realized the energising to driver element 72, in order to can realize the starting of hand tool, the characteristic quantity that control and/or regulon analysis and processing sense.
Claims (11)
1. toolroom machine, especially angle grinding machine, it has at least one switch element (14), this switch element has at least one switch pawl element (16) that supports movingly and at least one is bearing in the releasing member (20) of the motion locking that is used for unlock switch pawl element (16) on switch pawl element (16) swingably, it is characterized in that, described releasing member (20) has at least one axis of oscillation (22), this axis of oscillation by one from the direction of primary motion that is substantially perpendicular at least switch pawl element (16) (24) and be substantially perpendicular at least the different axis of axis that the longitudinal extension direction (26) of switch pawl element (16) extends and consist of.
2. according to claim 1 toolroom machine, is characterized in that, the axis of movement (28) that the axis of oscillation (22) of described releasing member (20) extends substantially transversely to described switch pawl element (16) at least extends.
3. according to the toolroom machine of one of above claim, it is characterized in that, the axis of oscillation (22) of described releasing member (20) tilts less than the angle [alpha] of 60 ° with respect to the longitudinal extension direction (26) of described switch pawl element (16).
4. according to the toolroom machine of one of above claim, it is characterized in that, described switch element (14) has at least one release and receives dead slot (30), and it is arranged for the blocking element (32) that receives described switch element (14) in the unlocked position of releasing member (20) due to the operation to switch pawl element (16).
5. according to claim 4 toolroom machine, is characterized in that, described release receives dead slot (30) and is arranged on releasing member (20).
6. according to the toolroom machine of one of above claim, it is characterized in that, be provided with at least one handgrip housing (36) and at least one bearing unit (38), this bearing unit is arranged for when console switch pawl element (16) from the end of the join domain towards handgrip housing (36) (40) of switch pawl element (16) that (42)s guaranteed all the time towards another direction back to the end that grips (44) of join domain (40) of switch pawl element (16) that switch pawl element (16) was along a stroke motion that has greater than the distance of zero value.
7. according to claim 6 toolroom machine, it is characterized in that, described bearing unit (38) has at least one supporting member (46,48), this supporting member is arranged on the side (50) of a join domain towards handgrip housing (36) (40) of operating area (52) of switch element (18) of switch element (14).
8. at least according to claim 6 toolroom machine, is characterized in that, described bearing unit (38) comprises at least one parallelogram bearing unit (54).
9. according to claim 8 toolroom machine, it is characterized in that, described parallelogram bearing unit (54) has at least one parallelogram supporting member (56), and it is arranged for the operating area (52) that comes the switch element (18) of switch-unit according to the motion of switch pawl element (16).
10. according to claim 8 or 9 toolroom machine, it is characterized in that, described parallelogram bearing unit (54) has at least one parallelogram supporting member (56), and at least one blocking element (32) of described switch element (14) is arranged on this parallelogram supporting member.
11. according to the toolroom machine switching device of the toolroom machine of one of above claim, this toolroom machine switching device has switch element (14) at least.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201110089724 DE102011089724A1 (en) | 2011-12-23 | 2011-12-23 | machine tool |
| DE102011089724.0 | 2011-12-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103170954A true CN103170954A (en) | 2013-06-26 |
| CN103170954B CN103170954B (en) | 2017-01-18 |
Family
ID=47191568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210563773.1A Active CN103170954B (en) | 2011-12-23 | 2012-12-21 | Machine tool |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2607027B1 (en) |
| CN (1) | CN103170954B (en) |
| DE (1) | DE102011089724A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196257A (en) * | 2014-06-20 | 2015-12-30 | 安德烈·斯蒂尔股份两合公司 | Manually Operated Work Device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6803157B2 (en) * | 2016-06-24 | 2020-12-23 | 株式会社マキタ | Electric tool |
| DE202020103534U1 (en) | 2020-06-18 | 2021-09-28 | C. & E. Fein Gmbh | Power tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1315612C (en) * | 2001-11-28 | 2007-05-16 | 伊莱克斯公司 | Electrical working machine |
| US20080011592A1 (en) * | 2006-06-29 | 2008-01-17 | Hilti Aktiengesellschaft | Main handle with a safety lock |
| CN201077064Y (en) * | 2007-09-04 | 2008-06-25 | 黄寅初 | Single-hand operable pneumatic tool safety switch device |
| CN101454124A (en) * | 2006-04-26 | 2009-06-10 | 迪美科技控股有限公司 | A handle assembly for a power tool |
| CN201493828U (en) * | 2009-08-31 | 2010-06-02 | 制尚电器(浙江)有限公司 | Switch control mechanism applicable for safety requirements of various function heads for combination electronic tool |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6805208B2 (en) * | 2002-08-02 | 2004-10-19 | Black & Decker Inc. | Switch lock-off mechanism for power tools |
| DE102009011766A1 (en) | 2008-03-12 | 2009-09-24 | Marquardt Gmbh | Electric switch, in particular power tool switch |
-
2011
- 2011-12-23 DE DE201110089724 patent/DE102011089724A1/en not_active Withdrawn
-
2012
- 2012-11-08 EP EP12191804.9A patent/EP2607027B1/en active Active
- 2012-12-21 CN CN201210563773.1A patent/CN103170954B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1315612C (en) * | 2001-11-28 | 2007-05-16 | 伊莱克斯公司 | Electrical working machine |
| CN101454124A (en) * | 2006-04-26 | 2009-06-10 | 迪美科技控股有限公司 | A handle assembly for a power tool |
| US20080011592A1 (en) * | 2006-06-29 | 2008-01-17 | Hilti Aktiengesellschaft | Main handle with a safety lock |
| CN201077064Y (en) * | 2007-09-04 | 2008-06-25 | 黄寅初 | Single-hand operable pneumatic tool safety switch device |
| CN201493828U (en) * | 2009-08-31 | 2010-06-02 | 制尚电器(浙江)有限公司 | Switch control mechanism applicable for safety requirements of various function heads for combination electronic tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196257A (en) * | 2014-06-20 | 2015-12-30 | 安德烈·斯蒂尔股份两合公司 | Manually Operated Work Device |
| CN105196257B (en) * | 2014-06-20 | 2019-06-04 | 安德烈·斯蒂尔股份两合公司 | Hand-held power tool |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2607027A3 (en) | 2014-01-29 |
| CN103170954B (en) | 2017-01-18 |
| EP2607027A2 (en) | 2013-06-26 |
| EP2607027B1 (en) | 2015-07-29 |
| DE102011089724A1 (en) | 2013-06-27 |
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