CN1974141A - Reversing unit for a hand-held power tool - Google Patents
Reversing unit for a hand-held power tool Download PDFInfo
- Publication number
- CN1974141A CN1974141A CNA200610163665XA CN200610163665A CN1974141A CN 1974141 A CN1974141 A CN 1974141A CN A200610163665X A CNA200610163665X A CN A200610163665XA CN 200610163665 A CN200610163665 A CN 200610163665A CN 1974141 A CN1974141 A CN 1974141A
- Authority
- CN
- China
- Prior art keywords
- held power
- hand held
- power machine
- unit
- driven
- 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.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000011664 signaling Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 2
- 230000014616 translation Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
- B23B45/008—Gear boxes, clutches, bearings, feeding mechanisms or like equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
Abstract
A reversing unit for a hand-held power tool has a reversing device for reversing an output direction, a drive unit, a tool unit drivable in rotary manner through at least one semi-revolution by the drive unit, and a protection unit provided for at least partially compensating for driving of the tool unit in one output direction in at least partially automated manner by a compensating device in a reverse direction.
Description
Technical field
The present invention relates to a kind of hand held power machine reversing unit with a reversing arrangement.In addition, the invention still further relates to a kind of hand held power machine with this hand held power machine reversing unit.
Background technology
Hand held power machine, especially to have an additional drilling machine of screwing function open.In this hand held power machine, cutter can drive on two different driven directions with being rotated.In order to make driven direction commutation, this hand held power machine is provided with the reversing arrangement of a machinery, and this reversing arrangement comprises an executive component.Make driven direction commutation by operating personnel after, the driving of cutter on reverse driven direction started by other operation drive unit switch.
Summary of the invention
The present invention relates to a kind of hand held power machine reversing unit, this hand held power machine reversing unit has a reversing arrangement that is used to make driven direction commutation, and on this driven direction, knife unit can rotate to not a half circle by a drive unit drives.
The present invention proposes; this hand held power machine reversing unit has a protected location, and this protected location is set for and makes the driving of knife unit on a driven direction be urged to small part automation ground quilt balance at least in part by the balance on the inverse direction.Can realize operating hand held power machine, the high security when especially operating drilling machine thus.Drive by balance and especially can resist in the knife unit that hair, body part and/or clothes be pulled into rotation consumingly, this is drawn in and can cause the operator seriously injured.Under this meaning, especially be interpreted as the such element or the cell of hand held power machine for " knife unit ": it does not have with the driven shaft of hand held power machine with relatively rotating and is connected, for example be a cutter, a cutter holder, an extra cell that is used for being inserted into cutter holder, or the like.
Protected location advantageously is set for according to a stop signal and makes balance drive connection automatically, and this stop signal is sent the signaling that a driving on the driven direction is stopped.If the danger of perceiving existence by the operator under the driven situation of knife unit for example hair, clothes and/or body part is drawn into, then can realize the quick active that balance drives thus.Can consider some protected modes of hand held power machine, produce stop signal in these protected modes, this stop signal is for example by operating a urgent breaker or producing by unclamping a drive unit switch.
Propose in another form of implementation of the present invention, protected location is set at knife unit and makes the balance on the inverse direction drive connection automatically after the preregulated rotational travel on the driven direction is performed.High safety grade in the time of can realizing operating hand held power machine thus, this hand held power machine especially are fit to children's housework.Children's protected mode for example can be set, in this protection of the child pattern, before operation, regulate a little rotational travel of knife unit and after this rotational travel is performed, need not children participating in driving with regard to connecting balance automatically.This rotational travel can be designed to the anglec of rotation or the revolution of knife unit.
Propose in addition, protected location is set for the rotational travel that knife unit is carried out and drives quilt balance at least basically by balance in once driving.This advantageously is suitable for using such hand held power machine, and wherein this hand held power machine is with the little rotational travel work of knife unit, as especially in children's housework.When knife unit carried out at least 70%, be preferably greater than 80%, when on inverse direction, being driven after especially greater than 90% rotational travel, rotational travel preferably is balanced basically.
Propose in another form of implementation of the present invention, the hand held power machine reversing unit has a regulon, and this regulon is set for the rotational travel of regulating knife unit.Can realize the high operation comfort of hand held power machine thus.Can regulate the maximum rotation stroke of the driving on the driven direction and/or the maximum rotation stroke that the balance on the inverse direction drives by means of this regulon.
Propose in addition, this hand held power machine reversing unit comprises a regulon, and this regulon is set for the adjusting protected mode, the high flexibility in the time of can realizing using this hand held power machine thus.
Another form of implementation proposes, and reversing arrangement is set in the driven direction commutation of driver element runtime chien shih.Delay in the time of can advantageously reducing the commutation of driven direction thus, this delay is owing to the inertia of driving element when driver element stops and starting.
Propose under this meaning, reversing arrangement comprises a clutch apparatus, can use element existing and with low cost for reversing arrangement thus.
Clutch apparatus preferably has at least two clutch elements, and these clutch elements are set at the driver element run duration and rotate relative to one another.Can realize the simple especially structure of this clutch apparatus thus.For example can between clutch element, be provided with one movably do not have the drive element that is connected with relatively rotating with knife unit.When commutation this drive element decide by the driven direction of expectation and these clutch elements in one be coupled.
If protected location can be switched on and turn-off, favourable flexibility in the time of then can realizing using hand held power machine.
According to the present invention; a kind of hand held power machine has also been proposed; has a hand held power machine reversing unit; this is held formula toolroom machine reversing unit and has a reversing arrangement that is used to make driven direction commutation; on this driven direction; knife unit can rotate to not a half circle by a drive unit drives; wherein; this hand held power machine reversing unit has a protected location, and this protected location is set for and makes the driving of knife unit on a driven direction be urged to small part automation ground quilt balance at least in part by the balance on the inverse direction.
Description of drawings
Other advantage obtains from following description of drawings.One embodiment of the present of invention have been shown in the accompanying drawing.Accompanying drawing, specification and claims comprise a plurality of combined feature.The professional also can meet the destination and investigate these features one by one and be summarized as significant other combination.
Accompanying drawing is represented:
Fig. 1 has the side view of a drilling machine of some inner elements,
A regulon of the drilling machine among Fig. 2 Fig. 1, and
A clutch apparatus of the drilling machine among Fig. 3 Fig. 1.
The specific embodiment
Fig. 1 shows a hand held power machine 10 that is configured to drilling machine.This hand held power machine has a housing 12, and this housing has a handgrip 14 and a drive unit switch 16.Can see a cutter holder 18 and a cutter 20 that is fixed in the cutter holder 18 in addition.Cutter holder 18 and cutter 20 constitute a knife unit 22.Cutter 20 is configured to drill bit in the figure.Knife unit 22 nothings are connected with driven shaft 24 with relatively rotating.This driven shaft is coupling on the driver element 28 by a gear unit 26, and this driver element comprises a motor 30 and a driving shaft 32.Knife unit 22 can by driver element 28 by driven shaft 24 drive (dextrorotation) on the driven direction 34 and on a driven direction 36 opposite with this driven direction 34 (left-handed) rotate to not a half circle.When this hand held power machine 10 used as drilling machine, knife unit 22 was driven on driven direction 34.
In addition, hand held power machine 10 is provided with a hand held power machine reversing unit 37.This hand held power machine reversing unit has a reversing arrangement 38, and this reversing arrangement is arranged in the gear unit 26 and is used for making driven direction 34 or 36 commutations when hand held power machine 10 work.The structure and the operation principle of reversing arrangement 38 are described in detail by means of Fig. 3.Hand held power machine reversing unit 37 additionally comprises a protected location 40, and this protected location is set for and makes knife unit 22 be urged to quilt balance at least in part in small part automation ground in the driving on driven direction 34 or 36 by the balance on reverse driven direction 36 or 34.Be provided with a protected location 40 with control module 42 of electronics, this control module is electrically connected for the sensor unit 44 of drive unit switch 16 with motor 30, reversing arrangement 38 and a configuration for this reason.In addition, control module 42 is connected with a regulon 46, and this regulon is integrated in the handgrip 14.
By the regulon 46 that view before in Fig. 2 is represented, control module 42 can the person's of being operated programming.This regulon has certain operations element 48 and a LED indicator 50.The operator can turn on and off protected location 40 by regulon 46.Under the situation that protected location 40 is turned off, 42 pairs of driver elements 28 of control module and reversing arrangement 38 do not have influence, and wherein hand held power machine 10 can or be screwed as a traditional drilling machine and is operated the machine.Under the situation that holding circuit 40 is switched on, the operator can be by means of a definite protected mode of executive component 48 and LED indicator 50 selection protected locations 40.
Suppose that at first this hand held power machine 10 is used for housework by children, for example is used for to a Workpiece boring.The operator can select protection of the child pattern by means of regulon 46.When this protection of the child pattern work of using corresponding to high safety grade, on driven direction 34, be driven with predetermined limited revolution in the situation bottom tool unit 22 of operation drive unit switch 16.This revolution also can be by the operator by executive component 48 inputs.Knife unit 22 is after the predetermined rotational travel on the driven direction 34 is performed, and the balance that control module 42 is connected knife unit 22 automatically drives.For this reason, control module 42 control reversing arrangement 38 and driver elements 28.In this balance drove, knife unit 22 was driven on driven direction 36 with identical predetermined revolution.Control module 42 is connected the driving with predetermined number of revolutions on the driven direction 34 again after balance drives termination, and this driving is driving balance by the balance on the driven direction 36 again after the end, or the like.Repeat this circulation that this driving and this balance drive, unclamp drive unit switch 16 up to these children.In this protection of the child pattern,---advantageously be limited on the little revolution---and drive by the restriction revolution by the control module 42 full-automatic balances of connecting, can reduce the danger that body part and/or clothes are fiercely drawn in.
Can consider in addition, by means of access rights, for example by carry out conversion by means of code of regulon 46 inputs from this protection of the child pattern to another pattern.Can avoid thus: children turn-off targetedly and use this hand held power machine 10 for the protection of the child pattern of its housework selection and with a pattern than the lower security grade.
This hand held power machine 10 of hypothesis is used by an adult now.The user can select a corresponding protection pattern by means of regulon 46, and this protected mode is corresponding to medium safe class.In this protected mode, knife unit 22 can restrictedly be driven by no revolution on driven direction 34.After this driving stopped, the balance of starting knife unit 22 on driven direction 36 drove.This realizes by means of sensor unit 44 that is connected with drive unit switch 16 and control module 42.If the operator unclamps drive unit switch 16 in this driving, for example under dangerous situation, then sensor unit 44 sends a stop signal to control module 42.This control module is then controlled reversing arrangement 38 and driver element 28, connects balance thus and drives.In this balance drove, knife unit 22 was driven on driven direction 36 with predetermined revolution.This revolution also can be predetermined by regulon 46 by the operator.
In addition, protected location 40 also is provided with another protected mode, and this protected mode is corresponding to the lower security grade.A stop signal can be sent to control module 42 and play the dynamic balancing driving thus in this protected mode, its mode is that the operator operates a urgent breaker 52.This hand held power machine 10 can be used by the operator as a traditional hand held power machine, is operated up to urgent breaker 52.
The structure and the operation principle of reversing arrangement 38 are described by means of Fig. 3.Reversing arrangement 38 is set for the driven direction commutation that makes at driver element 28 run duration knife units 22.For this reason, this reversing arrangement 38 comprises a clutch apparatus 54, and this clutch apparatus has: a first clutch element 56 that is configured to clutch disk, and this first clutch element can drive rotation on driven direction 34 or 36 by driver element 28; A second clutch element 58 that is configured to clutch disk, but this second clutch element drived unit 28 drives rotation simultaneously on driven direction 36 or 34.In addition, this clutch apparatus 54 also has one and takes element 60, and this takes element does not have with relatively rotating and be connected with driven shaft 24.This is taken element and can be arranged between the clutch element 56,58 on the axial direction 61 movably and can be shifted up to contacting with first or second clutch element 56,58.For this reason, taking element 60 can be in translation ground motion on axial direction 61 on the driven shaft 24.First clutch element 56 can be by driving shaft 32 drivings driven direction 34 or 36 on the rotation of a transmission device 62 by driver element 28.Second clutch element 58 can drive rotation on driven direction 36 or 34 by a jackshaft 64 with tooth portion.Take element 60 and pass first clutch element 56.Take the motion of element 60 translations ground in order to drive, this reversing arrangement 38 is provided with a shift unit 66, and this shift unit is controlled by control module 42 when driven direction commutates.For this reason, shift unit 66 is connected with control module 42 by the jockey 68 of electricity.
The reference number inventory
10 hand held power machines, 40 protected locations
12 housings, 42 control modules
14 handgrips, 44 sensor units
16 drive unit switches, 46 regulons
18 cutter holders, 48 executive components
20 cutters, 50 LED indicators
22 knife units, 52 urgent breakers
24 driven shafts, 54 clutch apparatus
26 gear units, 56 clutch elements
28 driver elements, 58 clutch elements
30 motor 60 are taken element
32 driving shafts, 62 transmission devices
34 driven direction 64 jackshafts
36 driven direction 66 shift units
37 hand held power machine reversing units, 68 jockeys
38 reversing arrangements
Claims (11)
1. hand held power machine reversing unit; have one and be used to make driven direction (34; 36) Huan Xiang reversing arrangement (38); on this driven direction; knife unit (22) can be driven by a driver element (28) and rotate to not a half circle; it is characterized in that: be provided with a protected location (40); this protected location is set for and makes the driving of this knife unit (22) on a driven direction (34,36) be urged to small part automation ground quilt balance at least in part by the balance on the inverse direction.
2. according to the hand held power machine reversing unit of claim 1; it is characterized in that: this protected location (40) is set for according to a stop signal and makes balance drive connection automatically; this stop signal is sent the signaling that the driving on the driven direction (34,36) is stopped.
3. according to the hand held power machine reversing unit of claim 1 or 2; it is characterized in that: this protected location (40) is set at this knife unit (22) and makes the balance on the inverse direction drive connection automatically after the preregulated rotational travel on the driven direction (34,36) is performed.
4. according to one hand held power machine reversing unit in the above claim, it is characterized in that: this protected location (40) is set for rotational travel that this knife unit (22) carries out in once driving is driven by balance at least basically by balance.
5. according to one hand held power machine reversing unit in the above claim, it is characterized in that: be provided with a regulon (46), this regulon is set for the rotational travel of regulating this knife unit (22).
6. according to one hand held power machine reversing unit in the above claim, it is characterized in that: be provided with a regulon (46), this regulon is set for the adjusting protected mode.
7. according to one hand held power machine reversing unit in the above claim, it is characterized in that: this reversing arrangement (38) is set in the driven direction of this driver element (28) runtime chien shih (34,36) and commutates.
8. according to the hand held power machine reversing unit of claim 7, it is characterized in that: this reversing arrangement (38) comprises a clutch apparatus (54).
9. hand held power machine reversing unit according to Claim 8, it is characterized in that: this clutch apparatus (54) has at least two clutch elements (56,58), these clutch elements are set at this driver element (28) run duration and rotate relative to one another.
10. according to one hand held power machine reversing unit in the above claim, it is characterized in that: this protected location (40) can be switched on and turn-off.
11. hand held power machine; has a hand held power machine reversing unit (37); this is held formula toolroom machine reversing unit and has one and be used to make driven direction (34; 36) Huan Xiang reversing arrangement (38); on this driven direction; knife unit (22) can be driven by a driver element (28) and rotate to not a half circle; it is characterized in that: this hand held power machine reversing unit (37) has a protected location (40); this protected location is set for and makes the driving of this knife unit (22) on a driven direction (34,36) be urged to small part automation ground quilt balance at least in part by the balance on the inverse direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005057268A DE102005057268A1 (en) | 2005-12-01 | 2005-12-01 | Hand power tools reversing unit |
| DE102005057268.5 | 2005-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1974141A true CN1974141A (en) | 2007-06-06 |
Family
ID=37671540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200610163665XA Pending CN1974141A (en) | 2005-12-01 | 2006-12-01 | Reversing unit for a hand-held power tool |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20070125566A1 (en) |
| CN (1) | CN1974141A (en) |
| DE (1) | DE102005057268A1 (en) |
| GB (1) | GB2432803B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596726A (en) * | 2011-06-06 | 2014-02-19 | 罗伯特·博世有限公司 | Clamping device for a hand-held power tool |
| CN105722648B (en) * | 2013-11-07 | 2017-06-09 | 艾沛克斯品牌公司 | Tool system with annex visual identity function |
| CN108367423A (en) * | 2015-12-18 | 2018-08-03 | 罗伯特·博世有限公司 | Hand held power machine with adjustable direction of rotation |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011017579A1 (en) * | 2011-04-27 | 2012-10-31 | Hilti Aktiengesellschaft | Machine tool and control method |
| JP2017001115A (en) * | 2015-06-05 | 2017-01-05 | 株式会社マキタ | Working tool |
| DE102016211016A1 (en) * | 2016-06-21 | 2017-12-21 | Robert Bosch Gmbh | Method for operating a processing machine |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3008074A (en) * | 1955-04-27 | 1961-11-07 | Vickers Electrical Co Ltd | Electric motor control |
| CH463924A (en) * | 1967-09-22 | 1968-10-15 | Fischer Ag Georg | Automatically reversible drive unit for a thread cutting head |
| DE3210929A1 (en) * | 1982-03-25 | 1983-10-06 | Bosch Gmbh Robert | METHOD AND DEVICE FOR SWITCHING OFF SCREWING DEVICES |
| US4650375A (en) * | 1985-12-02 | 1987-03-17 | James W. Millsap | Drill braking system |
| US4858312A (en) * | 1988-04-18 | 1989-08-22 | Ideal Industries, Inc. | Torque control for automatic connector assembly tool |
| JPH0798311B2 (en) * | 1988-10-12 | 1995-10-25 | 富士写真フイルム株式会社 | Screw tightening device |
| JP3188507B2 (en) * | 1992-01-23 | 2001-07-16 | 株式会社マキタ | Tightening tool |
| GB9320181D0 (en) * | 1993-09-30 | 1993-11-17 | Black & Decker Inc | Improvements in and relating to power tools |
| DE4344849A1 (en) * | 1993-12-29 | 1995-07-06 | Fein C & E | Machine tool |
| US5730232A (en) * | 1996-04-10 | 1998-03-24 | Mixer; John E. | Two-speed fastener driver |
| US7395871B2 (en) * | 2003-04-24 | 2008-07-08 | Black & Decker Inc. | Method for detecting a bit jam condition using a freely rotatable inertial mass |
| US6971454B2 (en) * | 2004-03-16 | 2005-12-06 | Bogue Edward M | Pulsed rotation screw removal and insertion device |
-
2005
- 2005-12-01 DE DE102005057268A patent/DE102005057268A1/en not_active Withdrawn
-
2006
- 2006-11-14 US US11/559,680 patent/US20070125566A1/en not_active Abandoned
- 2006-11-29 GB GB0623855A patent/GB2432803B/en not_active Expired - Fee Related
- 2006-12-01 CN CNA200610163665XA patent/CN1974141A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596726A (en) * | 2011-06-06 | 2014-02-19 | 罗伯特·博世有限公司 | Clamping device for a hand-held power tool |
| CN103596726B (en) * | 2011-06-06 | 2016-08-17 | 罗伯特·博世有限公司 | Hand held power machine clamping device |
| US9486909B2 (en) | 2011-06-06 | 2016-11-08 | Robert Bosch Gmbh | Clamping device for a hand-held power tool |
| CN105722648B (en) * | 2013-11-07 | 2017-06-09 | 艾沛克斯品牌公司 | Tool system with annex visual identity function |
| US9724795B2 (en) | 2013-11-07 | 2017-08-08 | Apex Brands, Inc. | Tooling system with visual identification of attached component |
| CN108367423A (en) * | 2015-12-18 | 2018-08-03 | 罗伯特·博世有限公司 | Hand held power machine with adjustable direction of rotation |
| CN108367423B (en) * | 2015-12-18 | 2022-03-25 | 罗伯特·博世有限公司 | Hand-held power tool with adjustable direction of rotation |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2432803A (en) | 2007-06-06 |
| GB0623855D0 (en) | 2007-01-10 |
| DE102005057268A1 (en) | 2007-06-06 |
| US20070125566A1 (en) | 2007-06-07 |
| GB2432803B (en) | 2009-06-03 |
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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 | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20070606 |