CN101959651B - Handle for hand-held electric tool - Google Patents
Handle for hand-held electric tool Download PDFInfo
- Publication number
- CN101959651B CN101959651B CN2008801274942A CN200880127494A CN101959651B CN 101959651 B CN101959651 B CN 101959651B CN 2008801274942 A CN2008801274942 A CN 2008801274942A CN 200880127494 A CN200880127494 A CN 200880127494A CN 101959651 B CN101959651 B CN 101959651B
- Authority
- CN
- China
- Prior art keywords
- damping
- handle
- connection element
- damping body
- electric tool
- 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.)
- Expired - Fee Related
Links
- 238000013016 damping Methods 0.000 claims abstract description 86
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000013536 elastomeric material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 4
- 230000003116 impacting effect Effects 0.000 description 4
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
- B25F5/025—Construction of casings, bodies or handles with torque reaction bars for rotary tools
- B25F5/026—Construction of casings, bodies or handles with torque reaction bars for rotary tools in the form of an auxiliary handle
-
- 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
- B25F5/006—Vibration damping means
Abstract
The present invention relates to a handle for an electric tool, comprised of a grip element (2), a clamping holder (3) and a vibration-damping device (4), wherein the vibration-damping device (4) comprises a first, rigid connecting element (5), a second rigid connecting element (6), and a damping element (7), wherein the first connecting element is mounted to the clamping holder (3) so as to pivot around a first axis (11) and is mounted to the grip element (2) so as to pivot around a second axis (12), wherein the second connecting element (6) is mounted to the clamping holder (3) so as to pivot around a third axis (13) and is mounted to the grip element (2) so as to pivot around a fourth axis (14), and wherein the damping element (7) contacts at least one of the connecting elements (5, 6) in order to provide a vibration damping effect upon pivoting of the connecting elements (5, 6).
Description
Prior art
The present invention relates to a kind of handle that is used for hand held electric tool like for example electric drill or electric hammer.
By the handle that is used for hand held electric tool that different structure is arranged known in the state of the art.Recently main notice is placed on the vibration that how to make hand held electric tool with being reinforced and is not passed to or is delivered on the problem on the handle with being reduced at least in this handle.By the known a kind of handle of DE102004061522A1, this handle is used for fixing a handle component and one has one to be used to disconnecting apparatus that oscillating component ground is broken off between the fixture on the hand held electric tool.Disconnecting apparatus is a leaf spring at this moment, and it is bent in this wise, makes it form the continuous profile of one four side and has an overlapping part on the end.Make leaf spring on two mutual relative directions, realize the balance exercise of handle component at least thus.But possible is that lasting bending possibly appear in disconnecting apparatus under excessive power effect.Also being merely able to little vibration of damping and handle in addition can be with respect to the instrument bending.
Advantage of the present invention
Therewith accordingly, have advantage according to the handle with characteristic of claim 1 of the present invention, its cost simple in structure is low and can under the not bending situation of handle component of user's grasping, realize the damping to vibration.Can guarantee thus to realize accurate processing and however yet realize damping to vibration with hand held electric tool.This is so to realize according to the present invention, and the damping jockey promptly is set, and it can guarantee the vibration or the vibration disengagement of being connected of handle component and holding frame and near hand held electric tool simultaneously.The damping jockey comprises the Connection Element and the damping element of at least one first and second rigidity at this moment.First Connection Element is bearing on the handle component being bearing in pivotly on the holding frame and on one second on one first pivotly.Second Connection Element is bearing on the handle component being bearing in pivotly on the holding frame and on one the 4th on one the 3rd pivotly.Damping element contacts wherein in the case, and at least one Connection Element provides damping action when Connection Element pivots.Therefore also can avoid handle component to fracture when the damping vibration through two elements that are rigidly connected that separate are set, wherein these two elements that are rigidly connected that separate be installed in respectively with being separated on the holding frame or on the respectively axle on the handle component of handle.Hand held electric tool can be maintained and realized thus accurate job result reliably during operation process thus.Also can guarantee the pivot that first and second Connection Elements are common thus.
Dependent claims has provided preferred expansion scheme of the present invention.
In order to reach big as far as possible damping, the preferred contact damping element of first and second Connection Elements.
The first and second Connection Element preferable configuration become the connecting rod of rigidity and arrange in parallel to each other.Alternatively, these connecting rods are not arranged in parallel to each other.
Preferred in addition this damping element is that deformable damping body and the distortion through damping body provide damping.Damping body carries out damping based on the distortion that produces through at least one Connection Element thus.
Particularly preferably, first Connection Element has first space and second Connection Element has second space and damping body is arranged in first and second spaces.Damping body reaches a big deformation range when the vibration of damping is wanted in appearance thus, thereby realizes reliable vibration damping.
Particularly preferably, damping body with respect to an axis of damping body be symmetric construction and preferably include the especially columniform space that is positioned at central part.The space of this central part can form big deformation range and damping action also is provided on different directions this moment.
Preferred in addition the first, the second, third and fourth reel structure with first and second Connection Elements becomes bolt or pin or screw.
Particularly preferably be, damping body is by natural rubber material or rubber or elastoplast manufacturing.Can damping body be provided cost highly beneficially thus.
Particularly preferably, damping body has four outstanding positions, and per two in the wherein outstanding position are on 180 ° of relative positions each other.That is to say,, on 90 ° angle, respectively arrange an outstanding position along the outer peripheral face of damping body.Between adjacent each other outstanding position, be provided with recessed joint face.Damping body has a cross-like shape that has four outstanding positions thus, and these four outstanding positions are connected with each other through recessed joint face.
Particularly preferably, first Connection Element and second Connection Element have the position of arc, and the recessed joint face of the position of these arcs and damping body is constructed accordingly.The position of the arc of Connection Element contacts recessed joint face in the case.Guarantee to realize enough dampings thus to vibration.
The present invention relates to a kind of hand held electric tool in addition, and like for example electric drill, electric hammer, sanding machine or the like, it has according to handle of the present invention, and it especially is arranged on the auxiliary handle on the hand held electric tool front end position.
Accompanying drawing
Following with reference to accompanying drawing detailed description the preferred embodiments of the present invention.In the accompanying drawing:
Fig. 1 is the perspective illustration according to the handle of one embodiment of the present of invention,
Fig. 2 is the schematic section according to the damping jockey of this embodiment of the present invention,
Fig. 3 be Fig. 1 handle a locational perspective illustration of damping and
Fig. 4 is that the damping jockey is at the locational schematic section of damping.
Preferred implementation of the present invention
Below referring to figs. 1 through 4 handles 1 described in detail according to a preferred embodiment of the present invention.
As seeing from Fig. 1, the handle 1 of electric tool comprises handle component 2 and holding frame 3.Handle component 2 is connected with each other through damping jockey 4 with holding frame 3.Holding frame 3 comprises holding ring 30 and fixed part 33, utilizes this fixed part can handle 1 be fixed on electric tool as on the electric drill for example.On holding frame 3 ends of pointing to handle component 2, be provided with first flange 31 and second flange 32.Two flanges 31,32 arrange and between them, hold the part of damping jockey 4 in parallel to each other.
As especially can from the sectional view of Fig. 2, see, damping jockey 4 comprises first rigid links 5 and second connecting rod 6.The structure of two connecting rods 5,6 is identical, but is arranged on the handle along mutually opposite direction.Damping jockey 4 comprises the damping element of being made by elastomeric material 7 in addition.Damping element 7 comprises four outstanding position 7a, 7b, and 7c, 7d, wherein adjacent each other outstanding position 7a, 7b, 7c, the joint face 17a of 7d through being recessed into, 17b, 17c, 17d connects.As can from the sectional view of Fig. 2, see, damping element 7 has a cross-like shape with gentle slow intermediate location thus.Be configured with continuous space 8 in this external damping element 7.Space 8 have cylinder form and be arranged in damping element 7 in the heart.Fig. 2 shows damping element 7 at this moment at the state that does not have under the deformation state, and wherein Fig. 4 shows the state of damping element 7 under deformation state.As can from Fig. 4, see, this moment columniform space 8 under the state of the distortion of damping element 7 be reduced to a large extent space 8 ', make the damping element 7 have big deformability thus.As can also from Fig. 2, see, first connecting rod 5 has the position 5a of first arc and the position 5b of second arc.Second connecting rod 6 has the position 6a of first arc and the position 6b of second arc.First connecting rod is included in the position 5a of arc in addition, the position 6a that first space 5c between the 5b and second connecting rod 6 are included in arc, the second space 6c between the 6b.Damping element is positioned among space 5c or the 6c through one among outstanding position 7c or the 7d respectively for 7 this moments.The position 5a of arc, 5b or 6a, the recessed joint face 17a of 6b and damping element 7,17b, 17c, 17d contacts.In addition, first connecting rod 5 can be arranged in pivotally on the holding frame 3 and by means of second 12 and can be arranged in pivotally on the handle component 2 through first 11.Second connecting rod 6 can be arranged in pivotally on the holding frame 3 and through the 4th 14 and can be arranged in pivotally on the handle component 2 through the 3rd 13.Axle 11,12,13,14 is columniform pin at this moment, and they are disposed in flange 21,22, in the space in 31 and 32.Flange forms the supporting position of pin thus.First and second connecting rods 5,6 can be arranged with respect to handle component 2 or with respect to holding frame 3 pivotally.Especially guaranteed that connecting rod 5,6 pivots (referring to Fig. 4) abreast, because first 11 and the 3rd 13 and second 12 and the 4th 14 lays respectively in the horizontal plane.Realize that thus handle component 2 moves with respect to the parallel of holding frame 3.
If transmit through holding frame 3 in the operating vibration of hand held electric tool now, damping jockey 4 is through this vibration of deformation damping of damping element 7 so.Fig. 3 and 4 this moments show a state between damping period, and wherein damping element 7 is out of shape.This moment, on the one hand space 8 significantly diminished (in Fig. 4 with 8 ' represent) and the joint face 17a that is recessed into of damping element, and 17b, 17c, 17d contact the position 5a of the arc of connecting rod 5,6,5b, 6a, 6b (referring to Fig. 4) on bigger or less position.Move with respect to the parallel of holding frame 3 through handle component 2, can be implemented in for example damping or the elastic damping in impacting shaft (trunnion axis) and the vertical axis of main shaft and countershaft thus.The parallel conductive that connect auxiliary member 5,6 this moment is to the bending that has also changed handle component 2 in addition.
In this embodiment, connect auxiliary member 5,6 and arrange like this, promptly be implemented in the deflection on the direction of impacting shaft of hand held electric tool.Especially can realize damping thus to the vibration that on the impacting shaft direction, occurs.But also it is contemplated that in principle connecting rod 5,6 is rotated 90 ° with respect to said embodiment, so that especially absorb horizontal vibration thus perpendicular to impacting shaft.Should be noted that in addition and also can use a plurality of connecting rods of arranging that are parallel to each other to replace only using two connecting rods 5,6 in principle.Realize the stability of the raising of damping jockey 4 thus.What also can expect in addition is that 7 of damping elements contact a connecting rod and quilt is out of shape or when vibration occurring, also additionally contacts with another connecting rod through the adjusting of this connecting rod when vibration occurring, are out of shape so that cause damping element 7.
In addition also can the big vibration of damping according to device of the present invention, because can realize big skew according to connecting rod of the present invention.
Claims (12)
1. the handle that is used for electric tool; Comprise handle component (2); Holding frame (3) and damping jockey (4), wherein damping jockey (4) comprises the Connection Element (5) of first rigidity, Connection Element of second rigidity (6) and damping element (7); Wherein first Connection Element can be bearing on the holding frame (3) and can center on one second (12) and be bearing in pivotally on the handle component (2) around one first (11) pivotally; Wherein second Connection Element (6) can be bearing on the holding frame (3) and can center on one the 4th (14) and be bearing in pivotally on the handle component (2) around one the 3rd (13) pivotally, and wherein damping element (7) contacts at least one in the Connection Element (5,6); So that damping action is provided when Connection Element (5,6) pivots.
2. according to the described handle of claim 1, it is characterized in that damping element (7) contact first Connection Element (5) and second Connection Element (6).
3. according to claim 1 or 2 described handles, it is characterized in that first and second Connection Elements (5,6) are configured to the connecting rod of rigidity and arrange in parallel to each other.
4. want 1 described handle according to right, it is characterized in that, damping element (7) is a deformable damping body of being processed by elastomeric material and can damping be provided through the distortion of damping body.
5. according to the described handle of claim 4, it is characterized in that, first Connection Element (5) comprise first space (5c) and second Connection Element (6) comprise second space (6c) and damping body be arranged in first and second spaces (5c, 6c) in.
6. according to claim 4 or 5 described handles, it is characterized in that damping body has space (8).
7. according to the described handle of claim 6, it is characterized in that the space of said damping body (8) are the cylindrical spaces that is arranged in the centre.
8. according to claim 1 or 2 described handles, it is characterized in that the first, the second, third and fourth (11,12,13,14) being used to support first and second Connection Elements (5,6) are bolt or pin or screw.
9. according to claim 4 or 5 described handles, it is characterized in that damping body is by rubber or elastoplast manufacturing.
10. according to claim 4 or 5 described handles, it is characterized in that damping body has four outstanding positions (7a, 7b; 7c, 7d), wherein each two outstanding positions are positioned on 180 ° the position and adjacent each other outstanding position (7a each other; 7b, 7c is 7d) through recessed joint face (17a; 17b, 17c 17d) is connected with each other.
11., it is characterized in that first Connection Element (5) and second Connection Element (6) have the position (5a of arc respectively according to the described handle of claim 10; 5b, 6a, 6b); They are corresponding to the recessed joint face (17a of damping body; 17b, 17c 17d) constructs and contacts recessed joint face.
12. hand held electric tool comprises one according to the described handle of one of aforementioned claim.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008000414.6 | 2008-02-26 | ||
| DE200810000414 DE102008000414A1 (en) | 2008-02-26 | 2008-02-26 | Handle for electric hand tool |
| PCT/EP2008/065636 WO2009106165A1 (en) | 2008-02-26 | 2008-11-17 | Handle for hand-held electric tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101959651A CN101959651A (en) | 2011-01-26 |
| CN101959651B true CN101959651B (en) | 2012-08-15 |
Family
ID=40380537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801274942A Expired - Fee Related CN101959651B (en) | 2008-02-26 | 2008-11-17 | Handle for hand-held electric tool |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2257412A1 (en) |
| CN (1) | CN101959651B (en) |
| DE (1) | DE102008000414A1 (en) |
| WO (1) | WO2009106165A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013213284A1 (en) * | 2012-08-03 | 2014-02-06 | Robert Bosch Gmbh | Hand tool machine system for use with handle device and fastening device, has receiving unit, which is provided partly to releasable coupling of handle device and fastening device |
| DE102013201620A1 (en) * | 2013-01-31 | 2014-08-14 | Hilti Aktiengesellschaft | Bendable holding device |
| JP5997660B2 (en) * | 2013-05-29 | 2016-09-28 | 株式会社マキタ | Auxiliary handle and reciprocating work tool with auxiliary handle |
| CN105313080B (en) * | 2014-07-30 | 2017-04-26 | 南京久驰机电实业有限公司 | Handheld electric tool |
| CN105291061A (en) * | 2015-11-20 | 2016-02-03 | 岳文智 | Tool plate installing type grip |
| EP3608064B1 (en) * | 2018-08-06 | 2021-06-30 | Hilti Aktiengesellschaft | Handle and handheld machine tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097368A (en) * | 1993-05-26 | 1995-01-18 | 英格索尔-兰德公司 | The power tool that has vibration absorbing handle |
| EP0849492A2 (en) * | 1996-12-18 | 1998-06-24 | Ingersoll-Rand Company | Parallel displacement single axis vibration absorber |
| CN2407893Y (en) * | 2000-02-21 | 2000-11-29 | 姜卫亮 | Handle of impact electric drill |
| CN1607076A (en) * | 2003-10-15 | 2005-04-20 | 罗伯特·博施有限公司 | Auxiliary handle with vibration damping |
| CN200970763Y (en) * | 2006-11-27 | 2007-11-07 | 江苏国强工具有限公司 | Shock-absorbing handle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834271B2 (en) * | 1980-07-18 | 1983-07-26 | 日立工機株式会社 | Vibrating tool handle vibration isolator |
| JP2534318B2 (en) * | 1988-04-30 | 1996-09-11 | 日立工機株式会社 | Anti-vibration handle for power tools |
| DE10138123A1 (en) * | 2001-08-03 | 2003-02-27 | Bosch Gmbh Robert | Power tool handle, e.g. for a hammer drill, has a parallel lever linkage for mounting at the tool housing together with a damper spring to dampen vibrations at the handle when using the tool |
| DE102004061522A1 (en) | 2004-12-21 | 2006-06-29 | Hilti Ag | Side handle |
| DE102005000205A1 (en) * | 2005-12-23 | 2007-06-28 | Hilti Ag | Handle of a hand-held tool device |
-
2008
- 2008-02-26 DE DE200810000414 patent/DE102008000414A1/en not_active Withdrawn
- 2008-11-17 EP EP08873027A patent/EP2257412A1/en not_active Withdrawn
- 2008-11-17 CN CN2008801274942A patent/CN101959651B/en not_active Expired - Fee Related
- 2008-11-17 WO PCT/EP2008/065636 patent/WO2009106165A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097368A (en) * | 1993-05-26 | 1995-01-18 | 英格索尔-兰德公司 | The power tool that has vibration absorbing handle |
| EP0849492A2 (en) * | 1996-12-18 | 1998-06-24 | Ingersoll-Rand Company | Parallel displacement single axis vibration absorber |
| CN2407893Y (en) * | 2000-02-21 | 2000-11-29 | 姜卫亮 | Handle of impact electric drill |
| CN1607076A (en) * | 2003-10-15 | 2005-04-20 | 罗伯特·博施有限公司 | Auxiliary handle with vibration damping |
| CN200970763Y (en) * | 2006-11-27 | 2007-11-07 | 江苏国强工具有限公司 | Shock-absorbing handle |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2257412A1 (en) | 2010-12-08 |
| CN101959651A (en) | 2011-01-26 |
| DE102008000414A1 (en) | 2009-08-27 |
| WO2009106165A1 (en) | 2009-09-03 |
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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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20161117 |