CN107932439A - Hand held power machine with eccentric unit - Google Patents
Hand held power machine with eccentric unit Download PDFInfo
- Publication number
- CN107932439A CN107932439A CN201710950159.3A CN201710950159A CN107932439A CN 107932439 A CN107932439 A CN 107932439A CN 201710950159 A CN201710950159 A CN 201710950159A CN 107932439 A CN107932439 A CN 107932439A
- Authority
- CN
- China
- Prior art keywords
- hand held
- power machine
- held power
- driving unit
- ventilator impeller
- 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
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
- B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
-
- 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
-
- 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
- B25F5/008—Cooling means
Abstract
The present invention relates to a kind of hand held power machine (100) for the driving unit (120) for having and being used to drive driven shaft (140), wherein, attach troops to a unit eccentric unit (130) to the driving unit (120), the bias unit drives the driven shaft (140) with being configured to rotational oscillation, so as to which the plug-in type instrument (150) for workpieces processing that can be coupled with the driven shaft (140) is placed in whirling vibration, wherein, attach troops to a unit ventilator impeller (160) to the driving unit (120) to cool down, the ventilator impeller (160) has at least one mass compensation element (240) for vibration compensation.
Description
Technical field
The present invention relates to a kind of hand held power machine for the driving unit for having and being used to drive driven shaft, wherein, driving is single
Member is associated with eccentric unit, which drives driven shaft with being configured to rotational oscillation, to be coupled with driven shaft
The plug-in type instrument for workpieces processing be placed in whirling vibration (Drehschwingung), wherein, in order to cool down and to drive
Moving cell is associated with ventilator impeller.
Background technology
This hand held power machine is known from the state of the art, it is associated with eccentric single with driving unit, the driving unit
Member.Herein, eccentric unit is configured to drive when hand held power machine is run rotational oscillation is attached to the bias unit
Driven shaft so that the plug-in type instrument for workpieces processing that can be coupled with driven shaft is placed in whirling vibration.Herein,
In order to ensure the required vibration compensation of eccentric unit, single mass compensation element is associated with to the bias unit.It is in addition, logical
Ventilator impeller is often provided with to cool down hand held power machine.
The content of the invention
The present invention provides a kind of hand held power machine for the driving unit for having and being used to drive driven shaft, wherein, to driving
Unit is associated with eccentric unit, which drives driven shaft with being configured to rotational oscillation, so as to can be with driven shaft coupling
The plug-in type instrument for workpieces processing closed is placed in whirling vibration, wherein, it is associated with leading to driving unit to cool down
Wind device impeller.Ventilator impeller has at least one mass compensation element for vibration compensation.
Therefore, the invention allows to provide following hand held power machine, wherein, can be by with described at least one
The ventilator impeller of mass compensation element realizes the vibration compensation of eccentric unit in a straightforward manner.It is, therefore, possible to provide component
That quantity is reduced, compact and reliable hand held power machine.
Preferably, the axial direction of at least one mass compensation element along the ventilator impeller is arranged in ventilator impeller
Matrix on.Therefore, enabling by least one mass compensation element it is simple and uncomplicated be arranged in ventilator leaf
On wheel.
At least one mass compensation element is preferably constructed with ventilator impeller single type.It is it is, therefore, possible to provide tight
Ventilator impellers gather and cost advantages.
According to a kind of embodiment, ventilator impeller and/or at least one mass compensation element are configured to moulding
And/or die casting.Therefore, it is possible to realize the simple of ventilator impeller and/or at least one mass compensation element and not multiple
Miscellaneous manufacture.
Ventilator impeller and/or at least one mass compensation element preferably have plastics, aluminium and/or zinc.Therefore, may be used
To provide stable and sane ventilator impeller and/or mass compensation element.
Preferably, it is fixed on is attached on the eccentric shaft of eccentric unit to ventilator impeller anti-torsion.Therefore, it is possible to realize
Direct mass compensation on eccentric shaft.
Ventilator impeller is preferably placed between driving unit and eccentric unit.Therefore, it is possible to real by ventilator impeller
Now effective cooling and mass compensation at the same time.
According to a kind of embodiment, at least one mass compensation element is arranged in the circumferentially adjacent of ventilator impeller
Two wind blades between.Therefore, at least one mass compensation element can be arranged in ventilator in a straightforward manner
On.
Ventilator impeller preferably has support flange, which has the first height, and described at least one
Mass compensation element has the second height, wherein, the first and second height are same big at least in predetermined tolerance.Therefore,
Can realize driving unit saves structure space and compact arrangement.
Preferably, at least one mass compensation element fan circlewise constructs.Hence in so that can be simply and not multiple
At least one mass compensation element is arranged between circumferentially adjacent two wind blade of ventilator impeller miscellaneously.
Preferably, ventilator impeller construction is the wobble quality (Schwungmasse) of driving unit.Therefore, it is possible to realize
The quietly operation relatively of hand held power machine.
In addition, the present invention is provided to the ventilator impeller of hand held power machine, which, which has, is used to drive
The driving unit of dynamic driven shaft, wherein, eccentric unit is associated with to driving unit, the bias unit is with being configured to rotational oscillation
Driven shaft is driven, so as to which the plug-in type instrument for workpieces processing that can be coupled with driven shaft is placed in whirling vibration.Ventilation
Device impeller has at least one mass compensation element for vibration compensation.
Brief description of the drawings
The present invention is explained in detail with reference to the embodiment being shown in the drawings in the following description.Attached drawing is shown：
The three-dimensional view of Fig. 1 hand held power machines, it has the driving unit and ventilator impeller of arrangement in the housing,
Local three-dimensional view in the case of the housing opening of Fig. 2 Fig. 1, driving unit and ventilator leaf with Fig. 1
Wheel, and
The three-dimensional view of the ventilator impeller with mass compensation element of Fig. 3 Fig. 2.
Embodiment
Fig. 1 shows hand held power machine 100, has housing 110, and being disposed with the housing can be by operating element 115
The driving unit 120 of manipulation.Driving unit 120 is preferably configured to the plug-in type instrument that driving is connected with driven shaft 140
150.Illustratively and preferably, housing 110 is configured to elongated housing.Preferably, driving unit 120 is along hand-held tool
The longitudinal axis arrangement of the elongate housing in other words 110 of machine 100, and driven shaft 140 is preferably perpendicular to driving unit 120 or vertical
Arranged in hand held power machine 100 or the longitudinal axis of elongate housing 110.Preferably, it is associated with eccentric unit to driving unit 120
130, which is configured to drive driven shaft 140 when hand held power machine 100 is run rotational oscillation, so as to can
The plug-in type instrument 150 for workpieces processing coupled with driven shaft 140 is placed in whirling vibration.
According to a kind of embodiment, hand held power machine 100 is configured to the hand held power machine of rotational oscillation, especially constructs
For for being ground, cutting and/or the Multifunctional hand-held toolroom machine of sawing by means of whirling vibration.Here, hand-held tool
Machine 100 can be configured with independently of power grid storage battery group 190 and/or in order to power dependent on power grid and with cable machinery
With electric connect.
Preferably, in order to cool down driving unit 120 and thereby cooling hand held power machine 100, it is provided with least one logical
Wind device impeller 160.According to a kind of embodiment, which is associated with driving unit 120.Illustratively and preferably,
Ventilator impeller 160 is arranged between driving unit 120 and eccentric unit 130.Herein, ventilator impeller 160 can construct
For the wobble quality of driving unit 120.
It is noted that ventilator impeller 160 arranges only there is example between driving unit 120 and eccentric unit 130
The characteristic of property and it is not intended as limitation of the present invention.Therefore, ventilator impeller 160 can also be arranged in any other positions
On, for example, be arranged in eccentric unit 130 towards on the side of plug-in type instrument 150 or being arranged in the back of the body of driving unit 120
On side from plug-in type instrument 150.Here, ventilator impeller 160 is at least configured to cooling driving unit 120 and/or cold
Eccentric unit 130.
In addition it is also possible to set multiple ventilator impellers, according to a kind of embodiment, these ventilator impellers can be mutual
Arrange at interval, wherein, at least one ventilator impeller in the ventilator impeller has at least one mass compensation member
Part (240 in Fig. 2).Ventilator impeller 160 can for example be arranged in the region between eccentric unit 130 and driving unit 120
In, and another ventilator impeller be arranged in driving unit 120 on the end of eccentric unit 130, etc..
Fig. 2 show driving unit 120 in the housing 110 opened as shown of the hand held power machine 100 of Fig. 1,
Eccentric unit 130 and it is preferably placed in ventilator impeller 160 between the two.Here, the eccentric unit 130 of Fig. 2 explanations, the bias
Unit preferably has the eccentric shaft 212 driven by driving unit 120 and the eccentric cam 214 being arranged on eccentric shaft 212, and
And preferably fixed within the case 110 by mounting flange 205.Here, eccentric cam 214 is preferably placed in the back of the body of eccentric shaft 212
On side from driving unit 120.
Preferably, the rotational oscillation powered motion produced by eccentric unit 130 is delivered to driven shaft by coupling element 220
On 140.For this reason, coupling element 220 preferably has towards the bending region 222 of driving unit 120, wherein, eccentric cam 214 is logical
Bending region 222 is crossed to couple with coupling element 220.This eccentric driving device 130 is known from the state of the art, so as to cancel in detail
Description.
In addition, Fig. 2 illustrates ventilator impeller 160 according to the present invention, which preferably has the matrix of dish type
232 and the multiple wind blades circumferentially constructed along ventilator impeller 160, such as three in the wind blade are equipped with ginseng
Examine mark 234,235,236.Illustratively, what wind blade 234,235,236 was arranged in ventilator impeller 160 deviates from driving unit
Axial direction on 120 side 231 and preferably along ventilator impeller 160 or the axial direction construction along driving unit 120
On matrix 232.According to a kind of embodiment, it is fixed on eccentric shaft 212 160 anti-torsion of ventilator impeller, but also may be used
It is attached to being arranged in the drive shaft of driving unit 120.
According to the present invention, ventilator impeller 160 has at least one mass compensation element 240 for vibration compensation, should
The mass compensation element preferably axial direction along ventilator impeller 160 or the axial direction along driving unit 120 is arranged in ventilation
On the matrix 232 of device impeller 160.Preferably, at least one mass compensation element 240 and 160 single type of ventilator impeller
Ground constructs, but can also by arbitrary connection structure, be for example bonded and be fixed on ventilator impeller 160.Here, ventilation
Device impeller 160 and/or at least one mass compensation element 240 are preferably configured as moulding and/or die casting.Preferably,
Ventilator impeller 160 and/or at least one mass compensation element 240 have plastics, aluminium and/or zinc.
Preferably, at least one mass compensation element 240 is arranged in circumferentially adjacent two of ventilator impeller 160
Between a wind blade, it is illustrated that ground and be illustratively arranged between wind blade 235 and 236.Herein, described at least one
The preferred fan of a mass compensation element 240 circlewise constructs, but can also have any other shapes, such as rectangle.
It is noted that configuration of the ventilator impeller 160 with a mass compensation element 240 is only with exemplary spy
Property and it is not intended as limitation of the present invention.Therefore, ventilator impeller 160 can also have multiple mass compensation elements, these
Mass compensation element can be along the spaced construction of turning up the soil of circumferential direction of ventilator impeller 160.In addition, mass compensation element 240 can
With along the radially and/or axially directional structure vectorical structure of ventilator impeller 160.Divulging information here, mass compensation element constructs as shown in Figure 2
Device impeller 160 on the side 231 of driving unit 120 and/or be arranged in towards on the side of driving unit 120, wherein,
Such as a mass compensation element construction can also be constructed in phase on the side 231 and by a mass compensation element
On opposed side.
Fig. 3 shows the ventilator impeller 160 of Fig. 1 and Fig. 2, has matrix 232,234,235,236 and of multiple wind blades
The mass compensation element 240 of Fig. 2.Here, Fig. 3 illustrates the support flange 310 for being attached to ventilator impeller 160, the support flange
With the receiving division 312 for being arranged in 160 anti-torsion of ventilator impeller on the eccentric shaft 212 of Fig. 2.
Support flange 310 is preferably similar to axial direction side of multiple 234,235,236 ground of wind blade along ventilator impeller 160
On matrix 232 and preferably there is height H to construction.In addition, mass compensation element 240 has height h, wherein, height h and
The height H of ventilator flange 310 is same big preferably at least in predetermined tolerance.But the height h of mass compensation element 240
It might be less that or the height H more than ventilator flange 310.
In addition, Fig. 3 illustrate mass compensation element 240 between circumferentially adjacent two wind blades 235,236
Configuration, wherein, mass compensation element 240 and the circumferentially spaced construction of turning up the soil of wind blade 235,236, but can also with it is described
Construct wind blade single type.In addition, Fig. 3 shows the configuration of the fan annular of mass compensation element 240, the mass compensation element
Illustratively and preferably from ventilator flange 310 up to outer rim or 314 ground of the periphery construction of ventilator impeller 160, but
Can only it be constructed between ventilator flange 310 and periphery 314 range selector.
Claims (12)
1. a kind of hand held power machine (100), has the driving unit (120) for being used for driving driven shaft (140), wherein, it is described
Driving unit (120) is associated with eccentric unit (130), which drives the driven shaft with being configured to rotational oscillation
(140), so as to by it is being coupled with the driven shaft (140), for the plug-in type instrument (150) of workpieces processing be placed in rotation and shake
In dynamic, wherein, the driving unit (120) is associated with ventilator impeller (160) to cool down, it is characterised in that described logical
Wind device impeller (160) has at least one mass compensation element (240) for vibration compensation.
2. hand held power machine according to claim 1, it is characterised in that at least one mass compensation element
(240) it is arranged in along the axial direction of the ventilator impeller (160) on the matrix (232) of the ventilator impeller (160).
3. hand held power machine according to claim 1 or 2, it is characterised in that at least one mass compensation element
(240) constructed with ventilator impeller (160) single type.
4. hand held power machine according to any one of the preceding claims, it is characterised in that the ventilator impeller
(160) and/or at least one mass compensation element (240) is configured to moulding and/or die casting.
5. hand held power machine according to any one of the preceding claims, it is characterised in that the ventilator impeller
(160) and/or at least one mass compensation element (240) has plastics, aluminium and/or zinc.
6. hand held power machine according to any one of the preceding claims, it is characterised in that the ventilator impeller
(160) it is fixed on is attached on the eccentric shaft (212) of the eccentric unit (130) to anti-torsion.
7. hand held power machine according to any one of the preceding claims, it is characterised in that the ventilator impeller
(160) it is arranged between the driving unit (120) and the eccentric unit (130).
8. hand held power machine according to any one of the preceding claims, it is characterised in that at least one quality
Compensating element, (240) be arranged in the ventilator impeller (160) circumferentially adjacent two wind blade (235,236) it
Between.
9. hand held power machine according to any one of the preceding claims, it is characterised in that the ventilator impeller
(160) there is support flange (310), which has the first height (H), and at least one mass compensation element
(240) there is the second height (h), wherein, first height (H) and second height (h) are at least in predetermined tolerance
Interior grade is big.
10. hand held power machine according to any one of the preceding claims, it is characterised in that at least one quality
Compensating element, (240) fan circlewise constructs.
11. hand held power machine according to any one of the preceding claims, it is characterised in that the ventilator impeller
(160) it is configured to the wobble quality of the driving unit (120).
12. one kind is used for the ventilator impeller (160) of hand held power machine (100), which, which has, is used to drive
The driving unit (120) of driven shaft (140), wherein, the driving unit (120) is associated with eccentric unit (130), and the bias is single
Member drives the driven shaft (140) with being configured to rotational oscillation, so as to by it is being coupled with the driven shaft (140), be used for
The plug-in type instrument (150) of workpieces processing is placed in whirling vibration, it is characterised in that the ventilator impeller (160) is in order to shake
Move compensation and there is at least one mass compensation element (240).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016219909.9 | 2016-10-13 | ||
| DE102016219909.9A DE102016219909A1 (en) | 2016-10-13 | 2016-10-13 | Hand tool with an eccentric unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107932439A true CN107932439A (en) | 2018-04-20 |
Family
ID=61765341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710950159.3A Pending CN107932439A (en) | 2016-10-13 | 2017-10-13 | Hand held power machine with eccentric unit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107932439A (en) |
| DE (1) | DE102016219909A1 (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624078A (en) * | 1983-10-17 | 1986-11-25 | Skil Corporation | Surface sander |
| CN1406168A (en) * | 2000-12-30 | 2003-03-26 | 罗伯特·博施有限公司 | Manual machine tool |
| CN1748939A (en) * | 2004-04-16 | 2006-03-22 | 苏州宝时得电动工具有限公司 | Anti-vibration arrangement, tool using said anti-vibration arrangement and its method for cleaning working surface |
| CN1776257A (en) * | 2004-11-17 | 2006-05-24 | 罗伯特·博世有限公司 | Eccentric device |
| CN1899765A (en) * | 2004-07-23 | 2007-01-24 | 罗伯特·博世有限公司 | Device having at least two balance weights |
| CN201611818U (en) * | 2009-12-03 | 2010-10-20 | 鼎朋企业股份有限公司 | Heat dissipating structure of tool machine |
| CN102441874A (en) * | 2010-10-01 | 2012-05-09 | 苏州宝时得电动工具有限公司 | Swinging power tool |
| CN102470525A (en) * | 2009-08-05 | 2012-05-23 | 罗伯特·博世有限公司 | Hand-held power tool with a drive motor and a gear mechanism |
| US20130048328A1 (en) * | 2011-08-31 | 2013-02-28 | Bach Pangho Chen | Bidirectional cross airflow machine tool |
| US20150151422A1 (en) * | 2013-11-29 | 2015-06-04 | Black & Decker Inc. | Sander having two-piece fan |
| CN105269534A (en) * | 2014-06-06 | 2016-01-27 | 罗伯特·博世有限公司 | Electric Power Tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7104873B1 (en) * | 2005-04-18 | 2006-09-12 | Positec Power Tools (Suzhou) Co. | Anti-vibration arrangement |
-
2016
- 2016-10-13 DE DE102016219909.9A patent/DE102016219909A1/en not_active Withdrawn
-
2017
- 2017-10-13 CN CN201710950159.3A patent/CN107932439A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4624078A (en) * | 1983-10-17 | 1986-11-25 | Skil Corporation | Surface sander |
| CN1406168A (en) * | 2000-12-30 | 2003-03-26 | 罗伯特·博施有限公司 | Manual machine tool |
| CN1748939A (en) * | 2004-04-16 | 2006-03-22 | 苏州宝时得电动工具有限公司 | Anti-vibration arrangement, tool using said anti-vibration arrangement and its method for cleaning working surface |
| CN1899765A (en) * | 2004-07-23 | 2007-01-24 | 罗伯特·博世有限公司 | Device having at least two balance weights |
| CN1776257A (en) * | 2004-11-17 | 2006-05-24 | 罗伯特·博世有限公司 | Eccentric device |
| CN102470525A (en) * | 2009-08-05 | 2012-05-23 | 罗伯特·博世有限公司 | Hand-held power tool with a drive motor and a gear mechanism |
| CN201611818U (en) * | 2009-12-03 | 2010-10-20 | 鼎朋企业股份有限公司 | Heat dissipating structure of tool machine |
| CN102441874A (en) * | 2010-10-01 | 2012-05-09 | 苏州宝时得电动工具有限公司 | Swinging power tool |
| US20130048328A1 (en) * | 2011-08-31 | 2013-02-28 | Bach Pangho Chen | Bidirectional cross airflow machine tool |
| US20150151422A1 (en) * | 2013-11-29 | 2015-06-04 | Black & Decker Inc. | Sander having two-piece fan |
| CN105269534A (en) * | 2014-06-06 | 2016-01-27 | 罗伯特·博世有限公司 | Electric Power Tool |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016219909A1 (en) | 2018-04-19 |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180420 |
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| WD01 | Invention patent application deemed withdrawn after publication |