CN1983486A - Operating mode switch for setting operating mode in a hand-held power tool - Google Patents
Operating mode switch for setting operating mode in a hand-held power tool Download PDFInfo
- Publication number
- CN1983486A CN1983486A CNA2006101659149A CN200610165914A CN1983486A CN 1983486 A CN1983486 A CN 1983486A CN A2006101659149 A CNA2006101659149 A CN A2006101659149A CN 200610165914 A CN200610165914 A CN 200610165914A CN 1983486 A CN1983486 A CN 1983486A
- Authority
- CN
- China
- Prior art keywords
- adjustable ring
- shift key
- mode shift
- locking system
- working method
- 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
- 238000000034 method Methods 0.000 claims description 29
- 238000005553 drilling Methods 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000003213 activating effect Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D16/006—Mode changers; Mechanisms connected thereto
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D2216/0007—Details of percussion or rotation modes
- B25D2216/0023—Tools having a percussion-and-rotation mode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D2216/0007—Details of percussion or rotation modes
- B25D2216/0038—Tools having a rotation-only mode
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
- Drilling And Boring (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention relates to a function selector switch for setting at least one function in a hand-held machine tool, comprises a setting ring that can be rotated manually about its axis and transferred into at least one torsional position in order to activate a function. A locking device, which is controlled by the setting ring, acts upon the setting ring for the purpose of holding it in its selected position. The locking device is constructed in such a way that it can automatically drop into a locking position which arrests the setting ring, and can be cancelled again by manually twisting the setting ring out of the torsional position.
Description
Technical field
The present invention relates to a kind of mode shift key, be used for regulating at least one working method of hand held power machine, be particularly useful for selectively connecting and turn-off the working method " percussive drilling " in the percussive drill.
Background technology
At known percussive drill (DE 100 06 641 A1) with the mode shift key that is used for calling a plurality of mode of operations, mode shift key has two and regulates or the conversion ring, they are arranged on side by side on the machine case and like this and construct, make a conversion ring call mode of operation " percussive drilling ON/OFF " in two front and back adjusting positions in succession, another conversion ring calls mode of operation " boring " and mode of operation " is screwed " and surmount moment or rotating torque by the predetermined freewheel clutch of a plurality of adjusting positions in mode of operation " is screwed ".In addition, locking or release unit are connected with two conversion rings, and this locking or release unit reach locking overrunning clutch in " boring " in mode of operation " percussive drilling ".In the 3rd adjusting position of first adjustable ring, " screw " release unit is quit work in order to call mode of operation, and freewheel clutch surmount moment or rotating torque is determined by clutch spring, the springs preload of this clutch spring can be regulated by means of the second conversion ring.
Summary of the invention
According to the present invention, proposed-kind of mode shift key, be used for regulating at least one working method of hand held power machine, this mode shift key have one can be manually around the adjustable ring of its rotational, this adjustable ring can be transferred at least one and activates reversing in the position of a working method, wherein, on this adjustable ring, acting on a locking system by this adjustable ring control, this locking system is constructed like this, make this locking system at least one of this adjustable ring reverse fall automatically in the position one with the lock position of this adjustable ring locking in and make this lock position manually reverse out the position and can be cancelled by this adjustable ring is reversed from this.
Mode shift key according to the present invention has its advantage: the function of locking system protection hand held power machine in working method selected and that activate by means of adjustable ring; to avoid vibration, operate miss or other external action, for example avoid because the influence of operational environment causes that adjustable ring by mistake reverses.This is especially meaningful especially for working method " percussive drilling ", because obviously occur impact shock here, this impact shock causes not protected adjustable ring to reverse and causes capability error thus.
Following content belongs to technical scheme of the present invention.
According to a favourable form of implementation of the present invention, this locking system has the portion of leaving a blank, the described portion of leaving a blank is arranged in the slip rail that is configured on this adjustable ring, this locking system also has a locking element of can be axially movable, being kept un-rotatably, and this locking element is configured at least in part, shape is inserted in the described portion of leaving a blank sealedly and the spring force by axial sensing rests on this slip rail.Structurally realize this locking system like this, simple in structure, durable and locking reliable in quality.
According to a favourable form of implementation of the present invention, this lock piece is configured to a slide wedge that is loaded by stage clip, and this slide wedge has the angle of wedge portion that points to towards this adjustable ring.The described cage structure triangularity of leaving a blank, have one and this angle of wedge portion corresponding triangle bight.The adjusting of the angle of wedge portion by slide wedge and the triangle bight of the leg-of-mutton portion of leaving a blank corresponding adaptive make for this locking system of release the manual operation power that must apply adapt to user expectation and can realize optimum state between locking quality and the ease for operation.
Advantageously, this compression spring sleeve receives on the pin at one, and this reception pin axially stretches out on the end that deviates from this angle of wedge portion of this slide wedge; Under prestrain, this stage clip rest on the slide wedge end with a spring end and with another spring end rest on one with this reception bearing pin on the spring supporting device that is provided with is turned up the soil at the interval.
Advantageously, this adjustable ring is engaged on the guide thimble rotationally; This slide wedge is accommodated in in this guide thimble one gathering sill that extends in the axial direction.
Advantageously, on the groove end that deviates from the closure that this adjustable ring points to of this gathering sill, be configured with a blind hole that is used to hold a spring end of this stage clip; Spring backstop constitutes at the bottom of the hole by this blind hole.
Advantageously, this adjustable ring has one and is used for first of working method " percussive drilling is opened " and reverses position and one and be used for second of working method " percussive drilling pass " and reverse the position; This locking system first reverses in the position and works at this at least.
Advantageously, this adjustable ring has a plurality of positions of reversing that are used for respectively activating a working method; This locking system reverses in the position at each and all works.
Advantageously, this adjustable ring has outer shroud and and the rigidly connected interior ring of this outer shroud of an available grasped; On this slip rail structure encircles in this.
Advantageously, this slip rail is made of a control curve, and this control curve is used for operating the blocking element that some are used for freewheel clutch.
Description of drawings
By means of an embodiment shown in the accompanying drawing the present invention is described in more detail below.Accompanying drawing is represented:
Fig. 1 has an exploded view of the hand held power machine of mode shift key,
Fig. 2 has a partial schematic vertical view of the mode shift key of locking system.
Embodiment
To being transformed in three different working methods by means of a mode shift key of forming by two adjustable rings with the hand held power machine shown in the decomposition view partly among Fig. 1, promptly can be switched to: working method " percussive drilling ON/OFF ", working method " boring " and working method " are screwed ", wherein, can be preselected in working method " is screwed " different sizes tighten torque.If this torque is exceeded, then a freewheel clutch works, and screws cutter and no longer be driven.
The part shown in Fig. 1 of this hand held power machine shows a guide thimble 11, and this guide thimble and a front area that holds the machine case (not shown) of motor and transmission device here are permanently connected.Rotatably support (unshowned) cutter spindle in guide thimble 11, and guide thimble 11 is provided with mode shift key 10.This mode shift key 10 has: one is used for the adjustable ring that working method " boring " reaches " screwing ", has only represented one of them threaded collar 13; And an adjustable ring 12, working method " percussive drilling " is inserted and disengaging again by means of this adjustable ring.That adjustable ring 12 is configured to two-piece type and form by ring 122 in the outer shroud 121 of an available grasped and.Interior ring 122 is rotatably supported on the guide thimble 11 and does not have and is connected with outer shroud 121 with relatively rotating.The inner face upper support of interior ring 122 rotating ring around threaded collar 13, this threaded collar is used for the described adjustable ring that working method " boring " reaches " screwing " and can be rotated by unshowned here.Interior ring 122 has two control curves 14 on it is distolateral, only can see one of them control curve 14 in Fig. 1.On two control curves 14, locate two the control projections that in Fig. 1, can not see in this wise, make that these control projections respectively move on the blocking element 15 when adjustable ring 12 turns in its adjusting position " percussive drilling ".These two blocking elements 15 can on guide thimble 11, be directed to with moving axially and by some stage clips 16 be pressed on threaded collar 13 and in encircle on 122 the control curve 14.Along with the control projection moves on the blocking element 15, the power of these blocking element opposing stage clips 16 back moves and locking overrunning clutch in this position.This of this external adjustable ring 12 reverses in the position, and a unshowned here operating unit is responsible for the connection of beater mechanism.
For guarantee adjustable ring 12 at least it be adjusted to working method " percussive drilling " that reverse and located reliably in the position and keep, be provided with a locking system 17 by adjustable ring 12 controls, this locking system acts on the adjustable ring 12, promptly act on the interior ring 122 of adjustable ring 12, and like this structure, make this locking system the adjustable ring 12 that is used for working method " percussive drilling " reverse the position fall automatically one with the lock position of adjustable ring 12 lockings in and make this lock position by adjustable ring 12 is manually reversed out and can be cancelled from the position of reversing that is used for working method " percussive drilling ".For this reason, locking system 17 has: on the control curve 14 at least one portion 18 of leaving a blank, the described portion of leaving a blank are arranged on the ring 122; And the locking element 19 of can be axially movable, being kept un-rotatably, this locking element is configured at least in part, shape is inserted in described at least one portion 18 of leaving a blank sealedly and the spring force by axial sensing rests on the control curve 14.In the embodiment of Fig. 1 and Fig. 2, locking element 19 is slide wedges 21 that loaded by stage clip 20, and this slide wedge has the angle of wedge portion that points to towards adjustable ring 12.Slide wedge 21 can remain on the guide thimble 11 one gathering sill 22 that extends in the axial direction with moving axially.On the groove end 221 that deviates from the closure that adjustable ring 12 points to of gathering sill 22, be configured with a blind hole 23.Preferable shape is held a spring end of stage clip 20 sealedly in this blind hole 23.Stage clip 20 is supported at the bottom of the hole of blind hole 23 on 231 on the one hand, is supported on the other hand on the end that deviates from angle of wedge portion of slide wedge 21.Stage clip 20 is enclosed within one and receives on the pin 24, and this reception pin stretches out from the end that deviates from angle of wedge portion of slide wedge 21.The portion 18 of leaving a blank is configured to leg-of-mutton, has the triangular tip of pointing in the axial direction, this triangular tip have one with the suitable triangle bight of the angle of wedge portion of slide wedge 21, thus, slide wedge 21 can enough its angle of wedge portions at least partial shape be inserted in the portion of leaving a blank 18 sealedly.
If adjustable ring 12 is in any one such reversing in the position, reverse the beater mechanism that this adjustable ring in the position will be used for working method " percussive drilling " at this and turn-off, on the control curve 14 in then slide wedge 21 is pressed in by stage clip 20 with its angle of wedge portion on the ring 122.Adjustable ring 12 can easily reverse in a circumferential direction, wherein only need overcome the tip of slide wedge 21 and the frictional force between the control curve 14.If this adjustable ring reaches its such one and reverses in the position when manually reversing adjustable ring 12, reversing in the position this adjustable ring at this converts beater mechanism to and works, then leave a blank portion 18 arrives in the zone of slide wedges 21, and this slide wedge falls in the portion of leaving a blank 18 and thus with adjustable ring 12 locking with regard to its rotational motion in a circumferential direction in the effect of stage clip 20.In order to disconnect working method " percussive drilling ", need again manually toward back rotation adjustable ring 12.Because interior ring 122 begins rotational motion thereupon, a gore by the leg-of-mutton portion 18 of leaving a blank makes slide wedge 21 back move by the power of its wedge sidewall opposing stage clip 20, abuts in again on the control curve 14 up to the wedge tip of slide wedge 21.Therefore for working method " percussive drilling " is broken away from, need to consume a manual power that increases.
Certainly also can make adjustable ring 12 reverse in the position at two, promptly also reverse in the position " percussive drilling pass " by means of locking system 17 lockings.Only need to be provided with in the control curve 14 on interior ring 122 portion of leaving a blank 25 (Fig. 1) of another corner that staggers for this reason.
Claims (10)
1. mode shift key, be used for regulating at least one working method of hand held power machine, this mode shift key have one can be manually around the adjustable ring (12) of its rotational, this adjustable ring can be transferred at least one and activates reversing in the position of a working method, it is characterized in that: on this adjustable ring (12), acting on a locking system (17) by this adjustable ring (12) control, this locking system is constructed like this, make this locking system at least one of this adjustable ring (12) reverse fall automatically in the position one with the lock position of this adjustable ring (12) locking in and make this lock position manually reverse out the position and can be cancelled by this adjustable ring (12) is reversed from this.
2. according to the mode shift key of claim 1, it is characterized in that: this locking system (17) has at least one portion of leaving a blank (18), the described portion of leaving a blank is arranged in the slip rail that is configured on this adjustable ring (12), this locking system also has a locking element (19) of can be axially movable, being kept un-rotatably, and this locking element is configured at least in part, shape is inserted in the described portion of leaving a blank (18) sealedly and the spring force by axial sensing rests on this slip rail.
3. according to the mode shift key of claim 2, it is characterized in that: this locking element (19) is a slide wedge (21) that is loaded by stage clip (20), and this slide wedge has the angle of wedge portion that points to towards this adjustable ring (12); The described portion of leaving a blank (18) is configured to leg-of-mutton, has one and this angle of wedge portion corresponding triangle bight.
4. according to the mode shift key of claim 3, it is characterized in that: this stage clip (20) is enclosed within one and receives on the pin (24), and this reception pin axially stretches out on the end that deviates from this angle of wedge portion of this slide wedge (21); Under prestrain, this stage clip (20) rests on the slide wedge end with a spring end and rests on one with another spring end and turns up the soil on the spring supporting device that is provided with this reception pin (24) axially spaced-apart.
5. according to the mode shift key of claim 3 or 4, it is characterized in that: this adjustable ring (12) is engaged on the guide thimble (11) rotationally; This slide wedge (21) is accommodated in in this guide thimble (11) one gathering sill (22) that extends in the axial direction.
6. according to the mode shift key of claim 5, it is characterized in that: on the groove end (221) that deviates from the closure that this adjustable ring (12) points to of this gathering sill (22), be configured with a blind hole (23) that is used to hold a spring end of this stage clip (20); (231) constitute at the bottom of the hole of spring backstop by this blind hole (23).
7. according to one mode shift key in the claim 1 to 6, it is characterized in that: this adjustable ring (12) has one and is used for first of working method " percussive drilling is opened " and reverses position and one and be used for second of working method " percussive drilling pass " and reverse the position; This locking system (17) first reverses in the position and works at this at least.
8. according to one mode shift key in the claim 1 to 6, it is characterized in that: this adjustable ring (12) has a plurality of positions of reversing that are used for respectively activating a working method; This locking system (17) reverses in the position at each and all works.
9. according to one mode shift key in the claim 1 to 8, it is characterized in that: this adjustable ring (12) have the outer shroud (121) of an available grasped and one with this outer shroud (121) rigidly connected in ring (122); This slip rail structure encircles on (122) in this.
10. according to one mode shift key in the claim 2 to 9, it is characterized in that: this slip rail is made of a control curve (14), and this control curve is used for operating some blocking elements that are used for freewheel clutch (15).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005059182A DE102005059182A1 (en) | 2005-12-12 | 2005-12-12 | Operating mode selector switch for setting at least one operating mode in a handheld power tool |
| DE102005059182.5 | 2005-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1983486A true CN1983486A (en) | 2007-06-20 |
| CN1983486B CN1983486B (en) | 2012-08-22 |
Family
ID=37711899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101659149A Expired - Fee Related CN1983486B (en) | 2005-12-12 | 2006-12-11 | Operating mode switch for setting operating mode in a hand-held power tool |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20070163793A1 (en) |
| CN (1) | CN1983486B (en) |
| DE (1) | DE102005059182A1 (en) |
| GB (1) | GB2433224B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786136A (en) * | 2012-10-17 | 2014-05-14 | 罗伯特·博世有限公司 | Hand-held machine tool device |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201220406Y (en) * | 2008-02-03 | 2009-04-15 | 南京德朔实业有限公司 | Electric tool |
| DE102010042682A1 (en) * | 2010-10-20 | 2012-04-26 | Robert Bosch Gmbh | drilling machine |
| DE102010063953A1 (en) * | 2010-12-22 | 2012-06-28 | Robert Bosch Gmbh | Hand tool |
| JP5759342B2 (en) * | 2011-11-17 | 2015-08-05 | 株式会社マキタ | Hammer drill |
| US9186788B2 (en) | 2012-11-15 | 2015-11-17 | Techtronic Power Tools Technology Limited | Lockout mechanism |
| GB201505620D0 (en) | 2015-04-01 | 2015-05-13 | Wardley Michael | Specification for method of abandoning a well |
| DE102015226091A1 (en) * | 2015-12-18 | 2017-06-22 | Robert Bosch Gmbh | Hand tool with a striking mechanism |
| DE102016218535A1 (en) | 2016-09-27 | 2018-03-29 | Robert Bosch Gmbh | Switching device for a portable machine tool, in particular a drill and / or chisel hammer |
| DE102020206936A1 (en) * | 2020-02-17 | 2021-08-19 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hand machine tool with a torque adjustment device |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL232950A (en) * | 1957-11-26 | |||
| GB1088003A (en) * | 1964-08-04 | 1967-10-18 | John M Perkins & Smith Ltd | Load transmitting device |
| GB1195505A (en) * | 1967-07-31 | 1970-06-17 | Hilti Ag | Hammer Drill |
| DE3702291A1 (en) * | 1987-01-27 | 1988-08-04 | Buderus Kuechentechnik | DEVICE FOR ADJUSTING THE SWITCHES AND CONTROL DEVICES OF A HOUSEHOLD APPLIANCE |
| DE4038395A1 (en) * | 1990-12-01 | 1992-06-04 | Hilti Ag | DRILL AND CHISEL |
| CN2256161Y (en) * | 1995-12-07 | 1997-06-11 | 林明宏 | Selecting switch |
| US6142242A (en) * | 1999-02-15 | 2000-11-07 | Makita Corporation | Percussion driver drill, and a changeover mechanism for changing over a plurality of operating modes of an apparatus |
| DE10031050A1 (en) * | 2000-06-26 | 2002-01-10 | Hilti Ag | Hand tool |
| DE10108124A1 (en) * | 2001-02-21 | 2002-08-29 | Hilti Ag | Mode selection rotary switch for a hand tool device |
| TW554792U (en) * | 2003-01-29 | 2003-09-21 | Mobiletron Electronics Co Ltd | Function switching device of electric tool |
| US7314097B2 (en) * | 2005-02-24 | 2008-01-01 | Black & Decker Inc. | Hammer drill with a mode changeover mechanism |
| US20060213675A1 (en) * | 2005-03-24 | 2006-09-28 | Whitmire Jason P | Combination drill |
-
2005
- 2005-12-12 DE DE102005059182A patent/DE102005059182A1/en active Pending
-
2006
- 2006-12-11 GB GB0624678A patent/GB2433224B/en active Active
- 2006-12-11 CN CN2006101659149A patent/CN1983486B/en not_active Expired - Fee Related
- 2006-12-12 US US11/609,469 patent/US20070163793A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786136A (en) * | 2012-10-17 | 2014-05-14 | 罗伯特·博世有限公司 | Hand-held machine tool device |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2433224B (en) | 2008-09-03 |
| DE102005059182A1 (en) | 2007-06-14 |
| GB2433224A (en) | 2007-06-20 |
| GB0624678D0 (en) | 2007-01-17 |
| US20070163793A1 (en) | 2007-07-19 |
| CN1983486B (en) | 2012-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20131211 |