CN103249529A - Transmission shaft device - Google Patents
Transmission shaft device Download PDFInfo
- Publication number
- CN103249529A CN103249529A CN2011800587814A CN201180058781A CN103249529A CN 103249529 A CN103249529 A CN 103249529A CN 2011800587814 A CN2011800587814 A CN 2011800587814A CN 201180058781 A CN201180058781 A CN 201180058781A CN 103249529 A CN103249529 A CN 103249529A
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- power transmission
- pinion
- driveline
- oscillating lever
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
- B23D51/16—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of drives or feed mechanisms for straight tools, e.g. saw blades, or bows
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
- B25D11/06—Means for driving the impulse member
- B25D11/062—Means for driving the impulse member comprising a wobbling mechanism, swash plate
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- General Details Of Gearings (AREA)
Abstract
A transmission shaft device for a hand-held power tool, comprising: a transmission shaft (10a-10e) with at least one bearing surface (14a-14e) for mounting a pinion (16c-16e, 18e) and /or at least one integral pinion (16b), and a wobble bearing (12a-12e); wherein the transmission shaft (10a-10e) comprises at least one portion which is permanently coupled with the wobble bearing (12a-2e) in a rotatably fixed manner.
Description
Technical field
The present invention relates to improved driveline.
Background technology
The driveline that is used for hand held electric tool is well-known, and it comprises power transmission shaft and Oscillating lever bearing.Such driveline is made from multiple components.
Summary of the invention
The present invention relates to the driveline for hand held electric tool, it comprises: power transmission shaft, and it has at least one area supported that pinion is installed, and/or the pinion with at least one one; And Oscillating lever bearing, wherein power transmission shaft comprises with at least one part that can not the permanent connection Oscillating lever bearing of counterrotating mode.Thus, be not to adopt additional parts, and/or power transmission shaft can advantageously be made with low-cost mode light weight ground.Herein, term " power transmission shaft " should especially be understood as that a kind of like this axle, it rotates around axis under at least a mode of operation, so that torque is passed to output (for example tool heads retainer or another speed changer) from input source (such as motor or speed changer).Herein, term " pinion " should especially be understood as that the outer gear that torque and/or power are passed to power transmission shaft or transmit from power transmission shaft.Herein, term " permanent connection " should especially be understood as that inseparably and connect.Herein, " installation " should be understood as that at least two parts that separate are coupled.
In addition, power transmission shaft and Oscillating lever bearing form, and can realize simple production fast of driveline thus.Herein, term " integratedly " should especially be understood as that make integral piece and/or in conjunction with so that each parts can not under the situation that does not cause damage, dismantle.
In another embodiment of the present invention, driveline comprises can not counterrotating mode being installed at least one pinion on the power transmission shaft.Thus, driveline can be transmitted gear drive.
In another embodiment of the present invention, at least one pinion is press fitted on the power transmission shaft.Thus, can realize connecting simply fast of at least one pinion.
In addition, driveline comprises can not counterrotating mode being installed at least one the additional pinion on the power transmission shaft.Thus, power transmission shaft can be integrated into travelling gear neatly.
In addition, observe along the longitudinal direction, at least one in the pinion is arranged on the front side of Oscillating lever bearing, and in the pinion at least one is arranged on the rear side of Oscillating lever bearing.Thus, power can advantageously easily be passed to opposite ends by power transmission shaft from an end.
In addition, power transmission shaft comprises at least one bearing surface.Thus, power transmission shaft can be supported in the speed changer of hand held electric tool reliably.Herein, term " bearing surface " should especially be understood as that and be arranged to contact support housing with the surface of supporting drive shaft.
In addition, described at least one bearing surface is arranged to be adjacent to described at least one area supported.Thus, power transmission shaft can easily keep in a longitudinal direction.
Description of drawings
Read following detailed description the in detail in conjunction with the drawings, other purpose of the present invention, feature and advantage will become apparent.Wherein special embodiment of the present invention is open as illustrative example.
Fig. 1 illustrates the view for the driveline of hand held electric tool,
Fig. 2 illustrates the view of second embodiment of driveline,
Fig. 3 illustrates the view of the 3rd embodiment of driveline,
Fig. 4 illustrates the view of the 4th embodiment of driveline, and
Fig. 5 illustrates the view of the 5th embodiment of driveline.
The specific embodiment
Fig. 1 illustrates the driveline for hand held electric tool, and it comprises power transmission shaft 10a, and described power transmission shaft 10a has two area supported 14a and Oscillating lever bearing 12a.Power transmission shaft 10a is with can not the permanent connection Oscillating lever bearing of counterrotating mode 12a.In addition, power transmission shaft 10a is connected to Oscillating lever bearing 12a inseparably.Power transmission shaft 10a passes to the output (not shown) with torque from input source.Area supported 14a is configured to support the pinion (not shown).Herein, those skilled in the art also can consider to make power transmission shaft 10a to be supported by area supported 14a.
With regard to Oscillating lever bearing 12a, power transmission shaft 10a comprises the substantial cylindrical part 20a with straight angle orientation with respect to the axis 22a of power transmission shaft 10a.Oscillating lever bearing 12a has elongated swing arm 24a, it is installed in for the ball bearing (not shown) with respect to cylindrical part 20a rotation, thereby allows swing arm 24a to move along left and right directions with respect to cylindrical part 20a when power transmission shaft 10a rotates during operation.
More specifically, when power transmission shaft 10a rotated, the angular orientation of cylindrical part 20a changed, and the swing arm 24a of Oscillating lever bearing 12a is mobile in complex way.
Power transmission shaft comprises two bearing surface 32a, 34a.Bearing surface 32a, 34a are arranged to be adjacent to area supported 14a.Power transmission shaft 10a is bigger by 50% at the diameter 38a at bearing surface 32a, 34a place than power transmission shaft 10a at the diameter 36a at area supported 14a place.
Additional embodiments of the present invention is shown in figure 2 – 5.Following description is limited to five differences between the embodiment substantially.In order to distinguish these embodiment, the alphabetical b – e by Reference numeral among the alphabetical a of the Reference numeral of the embodiment among Fig. 1 each embodiment in figure 2 – 5 replaces.For the member that does not have to revise, especially have for the member of same reference numerals, they can recall view and/or description with reference to first embodiment.
In another embodiment of the present invention, as shown in Figure 2, driveline comprises can not counterrotating mode being installed in the pinion 16b on the power transmission shaft 10b at 26b place, the end of power transmission shaft 10b.Pinion 16b and power transmission shaft 10b are formed integrally.Area supported 14b is arranged on the 30b along the longitudinal direction of power transmission shaft 10b from the opposite ends 28b of end 26b observation.
Under mode of operation, the gear (not shown) makes power transmission shaft 10b rotation.Thus, the swing arm 24b of Oscillating lever bearing 12b is mobile in complex way.Swing arm 24b drives the tool heads retainer that is used for hammer or saw (not shown).
Fig. 3 and 4 illustrates other view of driveline, wherein observes along the longitudinal direction, and it is last and be arranged on the front side of Oscillating lever bearing 12c, 12d that pinion 16c, 16d are installed in power transmission shaft 10c, 10d.
At one end the 26c of portion, 28d place are installed on power transmission shaft 10c, the 10d with can not counterrotating mode for each pinion 16c, 16d.Area supported 14c, 14d are arranged on 30c along the longitudinal direction, the 30d of power transmission shaft 10c, 10d from opposite ends 28c, the 26d of end 26c, 28d observation.
Under mode of operation, the gear (not shown) makes power transmission shaft 10c, 10d rotation.Thus, swing arm 24c, the 24d of Oscillating lever bearing 12c, 12d are mobile in complex way.Swing arm 24c, 24d drive the tool heads retainer that is used for hammer or saw (not shown).
Another embodiment of driveline is shown in Figure 5.Power transmission shaft 10e comprises the first pinion 16e and the second pinion 18e.Under mode of operation, power transmission shaft is 30e transmitting torque between the first pinion 16e and the second pinion 18e along the longitudinal direction.The first pinion 16e and the second pinion 18e are press-fitted on the power transmission shaft 10e.Therefore, the first pinion 16e and the second pinion 18e are can not counterrotating mode being installed on the power transmission shaft 10e.
30e observes along the longitudinal direction, and the first pinion 16e is arranged on the front side of Oscillating lever bearing 12e.Thus, under mode of operation, power passes to the second pinion 18e by power transmission shaft 10e from the first pinion 16e.In addition, the second pinion 18e is arranged on the rear side of Oscillating lever bearing 12e.Thus, each among pinion 16e, the 18e is separately positioned on every side of Oscillating lever bearing 12e.
The present invention can be by embodied in other and/or the configuration beyond the above description.Multiple modification, replacement, modification and equivalent to shown and described various structures will be apparent to those skilled in the art.Therefore, the present invention is intended to be subject to the special embodiment that sets forth, and is intended to contain these modification, modification and equivalent, as being included in spirit of the present invention and the broad range by following claim with defining.Here all patents of institute's reference, patent application and printing publication all by reference integral body incorporate this paper into.
Claims (9)
1. driveline that is used for hand held electric tool comprises:
Power transmission shaft (10a – 10e), it has for pinion (16c – 16e, at least one area supported 18e) (14a – 14e), and/or the pinion (16b) with at least one one are installed; And Oscillating lever bearing (12a – 12e);
Wherein, power transmission shaft (10a – 10e) comprises that at least one is with part that can not the permanent connection Oscillating lever bearing of counterrotating mode (12a – 12e).
2. driveline according to claim 1, wherein, power transmission shaft (10a – 10e) forms with Oscillating lever bearing (12a – 12e).
3. driveline according to claim 1 and 2 comprises can not counterrotating mode being installed at least one pinion (16b – 16e) on the power transmission shaft (10b – 10e).
4. driveline according to claim 3, wherein, (16c – 16e 18e) is press-fitted on the power transmission shaft (10c – 10e) described at least one pinion.
5. according to claim 3 or 4 described drivelines, comprise can not counterrotating mode being installed at least one the additional pinion (18e) on the power transmission shaft (10e).
6. driveline according to claim 5 at least, wherein, observe along the longitudinal direction, at least one in each pinion (16e) is arranged on the front side of Oscillating lever bearing (12e), and also has at least one to be arranged on the rear side of Oscillating lever bearing (12e) in each pinion (18e).
7. according to the described driveline of one of aforementioned claim, wherein, power transmission shaft (10a – 10e) comprises at least one bearing surface (32a – 32e, 34a – 34e).
8. driveline according to claim 7, wherein, described at least one bearing surface (32a – 32e, 34a – 34e) is arranged to be adjacent to described at least one area supported (14a – 14e).
9. hand held electric tool, it comprises according to the described driveline of one of aforementioned claim.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/071302 WO2012113152A1 (en) | 2011-02-25 | 2011-02-25 | Transmission shaft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103249529A true CN103249529A (en) | 2013-08-14 |
Family
ID=46720097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800587814A Pending CN103249529A (en) | 2011-02-25 | 2011-02-25 | Transmission shaft device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103249529A (en) |
| WO (1) | WO2012113152A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0847837A2 (en) * | 1996-12-13 | 1998-06-17 | Robert Bosch Gmbh | Multiple speed transmission for hand held power tool |
| CN1532028A (en) * | 2003-03-24 | 2004-09-29 | 罗伯特・博施有限公司 | Hand operate electric tool machine |
| DE102006061600A1 (en) * | 2006-12-27 | 2008-07-03 | Metabowerke Gmbh | Electric hand tool, has planetary gear arranged between spindle and shaft, transmissions switchable by switching unit, and driving device switched on and off by another switching unit, where switching units are actuatable by common switch |
| CN101641187A (en) * | 2007-03-02 | 2010-02-03 | 罗伯特·博世有限公司 | Hand-held machine tool |
| CN101837575A (en) * | 2009-03-19 | 2010-09-22 | 罗伯特.博世有限公司 | Hand held power machine |
-
2011
- 2011-02-25 CN CN2011800587814A patent/CN103249529A/en active Pending
- 2011-02-25 WO PCT/CN2011/071302 patent/WO2012113152A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0847837A2 (en) * | 1996-12-13 | 1998-06-17 | Robert Bosch Gmbh | Multiple speed transmission for hand held power tool |
| CN1532028A (en) * | 2003-03-24 | 2004-09-29 | 罗伯特・博施有限公司 | Hand operate electric tool machine |
| DE102006061600A1 (en) * | 2006-12-27 | 2008-07-03 | Metabowerke Gmbh | Electric hand tool, has planetary gear arranged between spindle and shaft, transmissions switchable by switching unit, and driving device switched on and off by another switching unit, where switching units are actuatable by common switch |
| CN101641187A (en) * | 2007-03-02 | 2010-02-03 | 罗伯特·博世有限公司 | Hand-held machine tool |
| CN101837575A (en) * | 2009-03-19 | 2010-09-22 | 罗伯特.博世有限公司 | Hand held power machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012113152A1 (en) | 2012-08-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130814 |
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| RJ01 | Rejection of invention patent application after publication |