CN104249337A - Impact mechanism device - Google Patents
Impact mechanism device Download PDFInfo
- Publication number
- CN104249337A CN104249337A CN201410302981.5A CN201410302981A CN104249337A CN 104249337 A CN104249337 A CN 104249337A CN 201410302981 A CN201410302981 A CN 201410302981A CN 104249337 A CN104249337 A CN 104249337A
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- China
- Prior art keywords
- unit
- mechanism device
- induction
- beater mechanism
- damping
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/24—Damping the reaction force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/0011—Details of anvils, guide-sleeves or pistons
- B25D2217/0019—Guide-sleeves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2222/00—Materials of the tool or the workpiece
- B25D2222/54—Plastics
- B25D2222/57—Elastomers, e.g. rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/371—Use of springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The invention is based on an impact mechanism device (10), which is provided with an impact mechanism unit (12); a damping unit (20); a coupling unit (22).The impact mechanism unit comprises a transmission element (14) and a guiding element (18). The transmission element is used to transmit the energy to an inserting tool (16), and the guiding element is used for guiding the transmission element (14). The damping unit is at least partially used for damping the return impact energy of the transmission element (14), and is at least radially disposed outside the guiding element (18). The coupling unit is used for transmitting the return impact energy of the transmission element (14) to the damping unit (20), and comprises a connecting element (24), and an insurance element (24) comprising an insurance connecting element (24) along a radial direction (28). At least one connecting element (24) and at least one insurance element (24) are partially integrated connected togther.
Description
Technical field
The present invention relates to a kind of beater mechanism device, a kind of there is the hand held power machine of beater mechanism device and a kind of coupling unit of beater mechanism device.
Background technology
A kind of beater mechanism device of preamble according to claim 1 had been proposed.
Summary of the invention
The present invention is by a kind of beater mechanism device, and it has: a percussion unit, one damping unit, one coupling unit, described percussion unit comprises at least one transmitting element and at least one induction element, at least one transmitting element described is arranged for transmitting momentum at least one insertion tool, at least one induction element described arranges for guiding at least one transmitting element described, at least one setting at least in part at least one transmitting element described in damping of described damping unit returns impulse and is radially arranged in outside at least one induction element described at least in part, described coupling unit arranges and is used for being delivered to returning impulse described at least one transmitting element described on described damping unit and described coupling unit comprises at least one Connection Element and is used at least along at least one safety element of at least one Connection Element described in a radial direction insurance.
Propose: at least one Connection Element described and at least one safety element described integrally construct at least in part.Described beater mechanism device is preferably configured as hand machine tool striking mechanism device." percussion unit " is especially appreciated that such unit in this context relation, this unit is arranged at least in part for generation of a momentum under a running status, especially on the insertion tool of a hand held power machine, the rotary motion particularly by the driver element by described hand held power machine converts a linear movement to.This percussion unit especially comprises at least one piston element, and this at least one piston element driver element that preferably mechanical type and described hand held power machine preferably include at least in part couples.Described piston element preferably arranges and is used for: under a running status, implement linear movement.This induction element is preferably formed by a hammer pipe and is preferably arranged for piston element described in linear guide.In a particularly preferred embodiment, described percussion unit comprises a gas impact machine.
" guiding " is especially appreciated that at least one transmitting element described is along the moving of effect of an especially linear track given in advance by means of at least one directed force here, and this at least one directed force to be applied at least one transmitting element described by least one induction element described at least in part and it is arranged transverse to the direction of motion of at least one transmitting element described at least in part." directed force " especially should define such power in this context relation, and this power arranges at least partly and is used for: on the moving of at least one direction, hindering at least one element at least one transmitting element especially described and/or at least one transmitting element especially described at least one element described is remained on a track given in advance in the moving of the effect by means of the power be applied at least one element described at least one transmitting element especially described.
" damping " is especially appreciated that the conversion returning at least 10%, advantageously at least 25%, preferably at least 50% and particularly preferably at least 75% of the energy of impulse of at least one transmitting element described in this context relation." return impulse " and should be understood to especially at least in part in this context relation a size especially physically, this size describes one and has the body of quality, the motion of at least one transmitting element especially described, especially at least one transmitting element described in axial direction from comprising according to the insertion tool of the hand held power machine of beater mechanism device of the present invention to the motion that driver element goes, especially after described momentum is delivered at least one insertion tool described.
" at least partly radially ... outside " be especially appreciated that in this context relation: described damping unit along the radial direction of described percussion unit from inside to outside observe especially at least 25%, advantageously at least 50%, preferably at least 75% and particularly preferably at least 90% be arranged at least one induction element described after.In a particularly preferred embodiment, described damping unit is at least almost completely radially arranged in outside at least one induction element described." insurance " is especially appreciated that along at least one direction in space and avoids moving in this context relation, this motion especially more than 5cm, preferably more than 1cm, preferably more than 0.5cm with particularly preferably more than 0.1cm." integral type " especially at least should be understood to material and connects in locking manner, such as by welding procedure, technique for sticking, pouring technology and/or other be shown as useful technique to those skilled in the art, and/or be advantageously interpreted as and be shaped in one block, such as by by a foundry goods manufacture and/or by with single part pouring procedure or multi-part pouring procedure and advantageously by the manufacture of a single base.
Can realize thus and saving member advantageously compact according to of beater mechanism device of the present invention and structure space and design preferably with low cost.Preferably can avoid thus and save and such as rise another element that ring formed by one, this another element for insuring at least one Connection Element described, especially radially.
In addition propose: at least one safety element described is arranged at least in part at least radially insuring at least one Connection Element described positive." positive " especially should be understood in this context relation: the face against each other of at least one safety element component of the sealed connection of form from one another, especially described is reciprocally applied to the confining force that the normal orientation in these faces described works.In particular, these components described are in cooperation geometrically each other.Simple and preferred design reliably in the structure that can realize described insurance by least one safety element described thus.
In addition propose: at least one safety element described is formed by a protrusion of at least one Connection Element described at least in part." protrusion " is especially appreciated that such material area of at least one Connection Element described in this context relation, this material area at least in part radially outwards especially with at least 1mm, preferably with at least 3mm, preferably with at least 5mm with particularly preferably stretch out the principal elongation surface of at least one Connection Element described with at least 10mm.Simple design in the structure that can realize described safety element thus.
In addition propose: at least one safety element described is arranged at least in part for being connected with at least one induction element positive described in described percussion unit." positive " especially should be understood in this context relation: the component of the sealed connection of form from one another, the face against each other of at least one safety element especially described and at least one induction element described is reciprocally applied to the confining force that the normal orientation in these faces described works.In particular, these components described are in cooperation geometrically each other.Simple and preferred design reliably in the structure that can realize described insurance by least one induction element of at least one safety element described and described percussion unit thus.
In addition propose: at least one safety element described is at least radially arranged at least in part within least one induction element described in described percussion unit under a state assembled." at least partly radially ... within " be especially appreciated that in this context relation: the safety element of described coupling unit along the radial direction of described percussion unit from inside to outside observe especially at least 25%, advantageously at least 50%, preferably at least 75% and particularly preferably at least 90% be arranged at least one induction element described before.In a particularly preferred embodiment, described damping unit is at least almost completely radially arranged in outside at least one induction element described.An advantageously compact and design for saving member and structure space of the coupling unit of beater mechanism device can be realized thus.
In addition propose: at least one induction element described of described percussion unit has at least one breach, and at least one breach described arranges at least in part and is used for: formed and be connected with the positive of at least one safety element described." positive " especially should be understood in this context relation: the component of the sealed connection of form from one another, the face against each other of at least one breach of at least one safety element especially described and at least one induction element described is reciprocally applied to the confining force that the normal orientation in these faces described works.In particular, these components described are in cooperation geometrically each other.At least one transmitting element described can be realized especially relative to the preferably insurance reliably of at least one induction element described thus in mode simple in structure.
In addition the hand held power machine had according to beater mechanism device of the present invention is proposed.
Also proposed the coupling unit according to beater mechanism device of the present invention.
In the case, beater mechanism device according to the present invention should be not limited to above-mentioned application and embodiment.Especially in order to meet functional mode described herein, beater mechanism device according to the present invention can have the number of the number described here being different from discrete component, component and unit.
Accompanying drawing explanation
Other advantage is described by accompanying drawing below and obtains.Embodiments of the invention shown in the drawings.Accompanying drawing, description and claims comprise large measure feature in a joint manner.Those skilled in the art also can individually consider these features aptly and be summarised as other combination significant.
Wherein:
Fig. 1 shows the hand held power machine had according to beater mechanism device of the present invention in side view;
Fig. 2 has illustrated according to beater mechanism device of the present invention in cross sectional view, wherein, the position illustrated on beater mechanism axis corresponding to neutral and the position illustrated under described beater mechanism axis corresponding to operating position;
Fig. 3 there is shown according to beater mechanism device of the present invention along the cross section of section line III-III;
Fig. 4 shows another cross sectional view according to beater mechanism device of the present invention, wherein, the position illustrated on beater mechanism axis corresponding to rigging position and the position illustrated under described beater mechanism axis corresponding to run location; With
Fig. 5 there is shown a part for the induction element of the percussion unit according to beater mechanism device of the present invention in schematic side.
Detailed description of the invention
Figure 1 illustrates the hand held power machine 34 formed by a brill hammer with a beater mechanism device 10.But that also can consider described hand held power machine 34 is shown as another design significant to those skilled in the art, such as percussive drill, as cutter hammer or as quartering hammer.Described hand held power machine 34 is formed by an electric hand tool.In a front area of described hand held power machine 34, be furnished with a means accepts portion 36, this means accepts portion is arranged for receiving an insertion tool 16, especially drill bit insertion tool or chisel insertion tool.In addition, in the described front area of described hand held power machine 34, be furnished with an additional grip 38 and on the side deviating from described front area of described hand held power machine 34, be furnished with a main handle 40, described hand held power machine 34 can be guided by operator by them.Described main handle 40 is configured to U-shaped.Described additional grip 38 clavate ground structure.The housing 42 of described hand held power machine 34 surrounds the driver element 44 formed by electro-motor be not shown specifically and a described beater mechanism device 10.Described driver element 44 arranges and is used for: the beater mechanism device 10 driving described hand held power machine 34.
Described beater mechanism device 10 comprises: a percussion unit 12; Transmitting element 14, for transmitting momentum to described insertion tool 16; One induction element 18, it is arranged for guiding at least one transmitting element 14 under the running status of described percussion unit 12.Transmitting element 14 is formed by a rivet tool.Induction element 18 is formed by a hammer pipe.Described induction element 18 is arranged for transmitting element 14, impulse member element 46 and a piston element 48 described in axial direction 50 linear guide along described percussion unit 12.Described axial direction 50 is parallel to the impact Axis Extension of described percussion unit 12.In axial direction 50 the piston element 48 driven by driver element 44 is guided in described induction element 18.Observe with going to described means accepts portion 36 from described driver element 44, in axial direction 50 after described piston element 48, arrange described impulse member element 46.Described impulse member element 46 equally in axial direction 50 can move in described induction element 18 supported.
In axial direction 50, a space 52 is furnished with between described piston element 48 and described impulse member element 46, this space vertically square 50 observations constructs gas-tight seally, thus make described piston element 48 and described impulse member element 46 relative to each other in axial direction 50 motion time, the volume of air of enclosing in described space 52 is gone compression or compression.Thus, under the running status of described percussion unit 12, the momentum of described piston element 48 is delivered on described impulse member element 46 at least in part.The transmitting element 14 of this momentum again at least in part by being configured to rivet tool under a running status is given on the insertion tool 16 that remains in described means accepts portion 36 by described impulse member element 46.
Described beater mechanism device 10 has an adjustment unit 54 in addition, and this adjustment unit arranges and is used under a running status, control the pressure in the space 52 between described piston element 48 and described impulse member element 46.Described adjustment unit 54 can switch between a duty of described percussion unit 12 and an idling conditions.Described adjustment unit 54 comprises an adjustment sleeve 56, and described adjustment sleeve radially extends around the induction element 18 of described percussion unit 12 outside described induction element 18.Described adjustment sleeve 56 in axial direction 50 can be bearing on induction element 18 movably.Described adjustment sleeve 56 arranges and is used for: in primary importance, at least almost hide the adjustment breach 58 of inserting in described induction element 18 airtightly and in another location, discharge this adjustment breach 58.The pressure in the space 52 between described piston element 48 and described impulse member element 46 can be controlled thus under a running status of described percussion unit 12.Described adjustment sleeve 56 supports against a spring element 60, and described spring element circumferentially direction 62 radially extends around the induction element 18 of described percussion unit 12 in other places.Described adjustment sleeve 56 can in axial direction 50, observe with going, aim at described spring element 60 and move from described means accepts portion 36 to described main handle 40.Described spring element 60 is formed by a helical spring.Described spring element 60 is formed by a compression spring.
Described beater mechanism device 10 has a damping unit 20 in addition, described damping unit arrange be used for transmitting element 14 described in damping return impulse.Described damping unit 20 is configured to B-impact damping unit.Described damping unit 20 is radially arranged in outside described induction element 18.Described damping unit 20 comprises a damping element 64.Described damping element 64 circumferentially direction 62 extends around described induction element 18.Described damping element 64 is radially arranged in outside the induction element 18 of described percussion unit 12.Described damping element 64 is completely radially arranged in outside the induction element 18 of described percussion unit 12.Described damping element 64 constructs circlewise.Described damping element 64 is formed by the material of an energy elastic deformation.Described damping element 64 is formed by rubber.Described damping element 64 is supported on the adjustment sleeve 56 of described adjustment unit 54.Described damping element 64 directly contacts with described adjustment sleeve 56 on the side deviating from described spring element 60 of described adjustment sleeve 56.
Described beater mechanism device 10 has a coupling unit 22 in addition, and described coupling unit arranges and is used for the impulse that returns of described transmitting element 14 to be delivered to described damping unit 20.Described coupling unit 22 comprises at least one Connection Element 24.Described coupling unit 22 comprises four Connection Elements 24.But another also can considering described Connection Element 24 is shown as significant number for those skilled in the art.Described Connection Element 24 as one man constructs.These Connection Elements 24 are formed by a pin respectively.Described Connection Element 24 is arranged to distribution equably in the circumferential direction 62 of the induction element 18 of described percussion unit 12.Connection Element 24 radially 28 to extend through the material thickness of described induction element 18.The principal elongation direction of described Connection Element 24 is moved towards along the radial direction 28 of the induction element 18 of described percussion unit 12 in the assembled state.Described Connection Element 24 to be observed on external end along the radial direction 28 of the induction element 18 of described percussion unit 12 one respectively has a head zone 66, and one of this head zone and described Connection Element 24 is observed compared with built-in territory, area in which the goods are in great demand 68 along the radial direction of the induction element 18 of described percussion unit 12 has larger diameter.Head zone 66 and the territory, area in which the goods are in great demand 68 of described Connection Element 24 are directly adjacent to each other.The territory, area in which the goods are in great demand 68 of described Connection Element 24 extends through the material thickness of described induction element 18 in the assembled state.For this reason, the induction element 18 of described percussion unit 12 has at least one breach 32.Described induction element 18 has four breach 32 altogether.Described breach 32 as one man constructs.The material thickness that breach 32 passes completely through described induction element 18 extends.These breach 32 are formed by elongated hole.The axial direction 50 that the principal elongation direction of the breach 32 formed by elongated hole is parallel to described beater mechanism device 12 extends.Described breach 32 is observed along the circumferential direction 62 of the induction element 18 of described percussion unit 12 and is arranged to distribution on described induction element 18 equably.A Connection Element in described Connection Element 24 is extended in the assembled state respectively through each breach in described breach 32.Described Connection Element 24 in the assembled state can axial direction 50 along in the breach be bearing in respectively movably in described breach 32.
Described coupling unit 22 comprises a safety element 26 in addition for radially 28 insurance at least one Connection Element 24 described.Described coupling unit 22 comprises four safety elements 26 altogether, and these safety elements arrange and are used for radially 28 insuring described Connection Element 24 relative to the induction element 18 of described percussion unit 12 in the assembled state.Described safety element 26 as one man constructs.In described safety element 26 each one respectively with each one-piece construction in Connection Element 24.Described safety element 26 arranges and is used for described Connection Element 24 relative to the insurance of induction element 18 along the positive of the radial direction 28 of described percussion unit 12.These safety elements 26 are formed by a protrusion 30 of described Connection Element 24 respectively.Each Connection Element in described Connection Element 24 has a protrusion in described protrusion 30, and this protrusion forms one of described safety element 26 respectively.Described protrusion 30 is arranged in the territory, area in which the goods are in great demand 68 of described Connection Element 24.Described protrusion 30 stretches out in territory, described area in which the goods are in great demand 68 along the radial direction of described Connection Element 24.The protrusion 30 forming described safety element 26 constructs circlewise.Described protrusion 30 extends along the circumferential direction of described Connection Element 24 around territory, described area in which the goods are in great demand 68.Described protrusion 30 extends around territory, described area in which the goods are in great demand 68 completely along the circumferential direction of described Connection Element 24.Described protrusion 30 has the overall diameter larger than the territory, area in which the goods are in great demand of described Connection Element 24.The overall diameter of described protrusion 30 is corresponding to the diameter of the head zone 66 of described Connection Element 24.Described protrusion 30 is observed along the principal elongation direction of described Connection Element 24, arranges at interval with the described head zone 66 of described Connection Element 24.The safety element 26 formed by the protrusion 30 of described Connection Element 24 positive arranged for the induction element 18 with described percussion unit 12 be connected and arrange for radially 28 insurance.
Each breach of inserting in the breach 32 in described induction element 18 has an elongated hole region 72, and the elongation being parallel to described axial direction 50 in this elongated hole region is greater than the elongation of the circumferential direction 62 along described induction element 18 with many times.Each breach of inserting in the breach 32 in described induction element 18 also has a receiving area 74, and this receiving area is directly connected ground, described elongated hole region 72 and arranges.Described receiving area 74 constructs circularly and has such diameter, and this diameter is such as greater than the overall diameter of described protrusion 30.
When assembling described beater mechanism device 10, in a first step described spring element 60 and the adjustment sleeve 56 of described adjustment unit 54 and the damping element 64 of following described damping unit 20 in axial direction 50 are shifted onto on the induction element 18 of described percussion unit 12.The adjustment sleeve 56 of described spring element 60 and described adjustment unit 54 and the damping element 64 of described damping unit 20 are radially arranged in outside described induction element 18.The adjustment sleeve 56 of described adjustment unit 54 and the damping element 64 of described damping unit 20 from inside to outside are observed along the radial direction 28 of described induction element 18, after the induction element 18 being directly arranged in described percussion unit 12 and radially the induction element 18 of the described percussion unit 12 of 28 contact.
Next, in a further step by a stop element 76 in axial direction 50 pushing sleeves on the induction element 18 of described percussion unit 12.Described stop element 76 sleeve shaped ground constructs and has an interior diameter, the at least approximate overall diameter corresponding to described induction element 18 of this interior diameter, thus described stop element 76 in axial direction 50 can be constructed relative to described induction element 18 in the assembled state movably.Described stop element 76 in the assembled state one to observe along the axial direction 50 of described induction element 18 deviate from the adjustment sleeve 56 of described adjustment unit 54 side on the damping element 64 of the direct described damping unit 20 of contact.The damping element 64 of described damping unit 20 is observed along the axial direction 50 of induction element 18 and is fixed relative to the adjustment sleeve 56 of described adjustment unit 54 by stop element 76, thus makes under a running status, also to keep obtaining described damping element 64 and contact with described the direct of adjustment sleeve 56.Described stop element 76 has at least one breach 78, and at least one breach described radially 28 material thicknesses extending through described stop element 76 extends and arranges for receiving at least one in described Connection Element 24 in the assembled state.Described stop element 76 has four breach 78 altogether, and these breach radially 28 material thicknesses extending through described stop element 76 extend and arrange respectively for receiving one of described Connection Element 24 in the assembled state respectively.The breach 78 of inserting in described stop element 76 has such diameter respectively, and this diameter is at least almost corresponding to the diameter of the head zone 66 of described Connection Element 24.
When assemble described beater mechanism device 10 and especially described coupling unit 22, in a step, described stop element 76 is mobile along the circumferential direction 62 of described induction element 18 and axial direction 50 following degree, until it is radially 28 stacked to insert breach 78 in described stop element 76 and the breach 32 of inserting in described induction element 18.Next, each Connection Element in described Connection Element 24 is by inserting each breach 78 in described stop element 76 and being inserted by each breach in the described breach 32 in the induction element 18 of inserting described percussion unit 12.At this, form the described protrusion 30 of described safety element 26 and territory, described area in which the goods are in great demand 68 and be directed across the breach 78 in described stop element 76 along the radial direction 28 of described induction element 18 and insert the receiving area 74 of the breach 32 in described induction element 18.If the following degree ground of described Connection Element 24 is in the described breach 32 in the induction element 18 of inserting described percussion unit 12, namely, the material thickness of described induction element 18 in the fringe region of described breach 32 is arranged between described head zone 66 and described protrusion 30 along the principal elongation direction observation of Connection Element 24, and the head zone 66 of described Connection Element 24 is in the breach 78 of inserting in described stop element 76 completely, so described Connection Element 24 moves to along the axial direction 50 of described induction element 18 in the elongated hole region 72 of described breach 32 in a further step.At this, described stop element 76 also moves.The Connection Element 24 of described stop element 76 and described coupling unit 22 is fixed relative to each other under this state assembled.
Under a state assembled, the safety element 26 formed by described protrusion 30 radially 28 observations is arranged within the induction element 18 of described percussion unit 12.When the Connection Element 24 of described coupling unit 22 and described stop element 76 move, the safety element 26 formed by protrusion 30 is radially rabbeted after following fringe region within described induction element 18, and this fringe region is connected the elongated hole region 72 of described breach 32.The safety element 26 formed by described protrusion 30 from inside to outside is observed along the radial direction 28 of described induction element 18, is arranged in the fringe region of the breach 32 of inserting in described induction element 18 before the material thickness of described induction element 18.Because the overall diameter of described protrusion 30 is greater than the elongation in the elongated hole region 72 of described breach 32, so the Connection Element 24 of correspondence radially 28 outwards to insure relative to described induction element 18 by described protrusion 30.The head zone 66 of described Connection Element 24 from inside to outside is observed along the radial direction 28 of described induction element 18, is arranged in respectively in the fringe region of the breach 32 of inserting in described induction element 18 after the material thickness of described induction element 18.Because the diameter of the head zone 66 of described Connection Element 24 is greater than the elongation in the elongated hole region 72 of described breach 32, so the Connection Element 24 of correspondence radially 28 inwardly to insure relative to described induction element 18 by the head zone 72 of described Connection Element 24.
In order to stop in axial direction 50 motions under a state assembled of the Connection Element 24 of described coupling unit 22 to be got back in the receiving area 74 of the described breach 32 of inserting in described induction element 18, the bearing unit 80 be not shown specifically in a further step in axial direction 50 is shifted onto on the induction element 18 of described percussion unit 12.Described bearing unit 80 arranges and is shown as significant function for another to those skilled in the art relative to the slidably supported of beater mechanism housing 82 or setting for described induction element 18.Described bearing unit 80 in axial direction 50 observation places couples with described induction element 18 regularly.Described Connection Element 24 and connected stop element 76 in axial direction 50 move with leaving from described damping unit 20 time, described stop element 76 collide on described bearing unit 80 and gauge in axial direction 50 motion, reach the receiving area 74 of the breach 32 of inserting in described induction element 18 at described Connection Element 24 before.
Under the machining state of described percussion unit 12, described transmitting element 14 in axial direction 50 from the return movement that described insertion tool 16 leaves direct contact one guide bushing 70, this guide bushing extends around the territory, area in which the goods are in great demand 68 of described Connection Element 24 until the safety element 26 that formed by described protrusion 30.At this, the impulse that returns of described transmitting element 14 is passed on described stop element 76 and then on the damping element 64 of described damping unit 20 by the Connection Element 24 of described guide bushing 70 and described coupling unit 22.Described stop element 76 moves from described insertion tool 16 in these in axial direction 50 observations with leaving, and compresses the damping element 64 of described damping unit 20 therefrom.Mainly returned the energy of impulse by damping element 64 reception of described damping unit 20 and converted to friction energy or heat energy therefrom.
Claims (8)
1. beater mechanism device, it has: a percussion unit (12); One damping unit (20); one coupling unit (22), described percussion unit comprises at least one transmitting element (14) and at least one induction element (18), at least one transmitting element described is arranged for transmitting momentum at least one insertion tool (16), at least one induction element described arranges for guiding described at least one transmitting element (14), at least one setting at least in part at least one transmitting element (14) described in damping of described damping unit returns impulse and is radially arranged in outside described at least one induction element (18) at least partly, described coupling unit arranges and is used for being delivered to described damping unit (20) at least in part by returning impulse described in described at least one transmitting element (14), and at least one safety element (26) that described coupling unit comprises at least one Connection Element (24) and (28) insure described at least one Connection Element (24) at least radially, it is characterized in that, described at least one Connection Element (24) and at least one safety element described (26) integrally construct at least in part.
2. beater mechanism device according to claim 1, it is characterized in that, described at least one safety element (26) arranges at least in part and is used at least radially described at least one Connection Element (24) of (28) positive ground insurance.
3. according to the beater mechanism device one of aforementioned claim Suo Shu, it is characterized in that, described at least one safety element (26) is formed by a protrusion (30) of described at least one Connection Element (24) at least partly.
4. according to the beater mechanism device one of aforementioned claim Suo Shu, it is characterized in that, described at least one safety element (26) arranges at least in part and is used for being connected with described at least one induction element (18) positive of described percussion unit (12).
5. according to the beater mechanism device one of aforementioned claim Suo Shu, it is characterized in that, described at least one safety element (26) is at least radially arranged at least in part within described at least one induction element (18) of described percussion unit (12) under a state assembled.
6. according to the beater mechanism device one of aforementioned claim Suo Shu, it is characterized in that, described at least one induction element (18) of described percussion unit (12) has at least one breach (32), and at least one breach described arranges at least in part and is used for: formed and be connected with the positive of described at least one safety element (26).
7. hand held power machine, it has at least one according to the beater mechanism device (10) one of aforementioned claim Suo Shu.
8. according to the coupling unit of the beater mechanism device (10) one of claim 1 to 6 Suo Shu.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013212597.6A DE102013212597A1 (en) | 2013-06-28 | 2013-06-28 | Percussion device |
| DE102013212597.6 | 2013-06-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104249337A true CN104249337A (en) | 2014-12-31 |
| CN104249337B CN104249337B (en) | 2018-08-17 |
Family
ID=52017342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410302981.5A Active CN104249337B (en) | 2013-06-28 | 2014-06-27 | Beater mechanism device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104249337B (en) |
| DE (1) | DE102013212597A1 (en) |
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| CN1419996A (en) * | 2001-11-16 | 2003-05-28 | 日立工机株式会社 | Impact driller |
| CN1533866A (en) * | 2003-04-01 | 2004-10-06 | 株式会社牧田 | Electric tool |
| CN101190522A (en) * | 2006-12-01 | 2008-06-04 | 罗伯特·博世有限公司 | Pneumatic immpacting device for hand-held machine tool |
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2013
- 2013-06-28 DE DE102013212597.6A patent/DE102013212597A1/en active Pending
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2014
- 2014-06-27 CN CN201410302981.5A patent/CN104249337B/en active Active
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|---|---|---|---|---|
| EP0759341A2 (en) * | 1995-08-18 | 1997-02-26 | Makita Corporation | Hammer drill with an idling strike prevention mechanism |
| EP0888851A2 (en) * | 1997-07-04 | 1999-01-07 | HILTI Aktiengesellschaft | Drilling - and/or percussion apparatus |
| CN1419996A (en) * | 2001-11-16 | 2003-05-28 | 日立工机株式会社 | Impact driller |
| CN1533866A (en) * | 2003-04-01 | 2004-10-06 | 株式会社牧田 | Electric tool |
| CN101190522A (en) * | 2006-12-01 | 2008-06-04 | 罗伯特·博世有限公司 | Pneumatic immpacting device for hand-held machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013212597A1 (en) | 2014-12-31 |
| CN104249337B (en) | 2018-08-17 |
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