CN101207311A - Hand tool device has multipart housing - Google Patents
Hand tool device has multipart housing Download PDFInfo
- Publication number
- CN101207311A CN101207311A CNA2007101599087A CN200710159908A CN101207311A CN 101207311 A CN101207311 A CN 101207311A CN A2007101599087 A CNA2007101599087 A CN A2007101599087A CN 200710159908 A CN200710159908 A CN 200710159908A CN 101207311 A CN101207311 A CN 101207311A
- Authority
- CN
- China
- Prior art keywords
- clamping
- stator
- hand held
- held power
- electric machine
- 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
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/15—Mounting arrangements for bearing-shields or end plates
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
- H02K7/145—Hand-held machine tool
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to a handheld machine tool (2) which is provided with a multi shell (4), comprising an electric motor shell (10). The electric motor shell forms an installation opening (18). An electric motor (22) stator (20) to determine an axle (A) can be embedded into the electric motor shell (10) via the opening, wherein, the stator (20) for forming an axial arresting device can be fixed on embedded position. The axial arresting device can cling to the stator (20) on the opening side and can be axial fixed via two clamping and connecting devices (38). The clamping and connecting device is provided with at least two clamping elements (24). The clamping elements are kept on two first clamping grooves (32a) which are arranged on the electric motor shell (10). For this provision, at least two second-clamping grooves (32b) are additionally arranged on the electric motor shell (10). Relative to the first clamping grooves (32a), the second clamping grooves have an axial offset (v).
Description
Technical field
The present invention relates to a kind of hand held power machine that has according to the feature of the preamble of claim 1.Wherein this hand held power machine has a multi-piece type housing that comprises an electric machine casing, and this electric machine casing forms a construction opening, and a stator of determining the motor of an axis can be embedded in the electric machine casing via this opening.Stator can be fixed on the embedded location by an axial stop, but axial stop can be close to stator and pass through at least two clamping connector axial restraints in open side.Clamping connector has two clamping elements for this reason, they and two first clamping recess actings in conjunction that are arranged on the electric machine casing.
Background technology
This type of hand held power machine can be installed motor easily, and its stator stably is fixed on the electric machine casing by clamping connector simultaneously.
Casing by the known a kind of hand held power machine of EP 1 526 629 A1, one of them air guide device is used for stator of axial restraint, flexibly keep some fixed mechanisms on air guide device, these fixed mechanisms connect an end face of pressing to stator by a kind of screw and therefore are fixed for this reason.Wherein screw connects and to have two screws, they remain in the corresponding hole of casing and they respectively with the corresponding screw thread acting in conjunction of fixed mechanism.
By the fixed mechanism that elasticity keeps, can realize certain tolerance compensating here about stator length.
When manufacturing comprises the hand held power machine series of different type of machines, these types have different motors, but in order the different length of various motor to be fixed in the same electric machine casing, the maintenance of the elasticity of fixed mechanism is not enough in many cases.Essential in this case or rather is, for each motor type is provided with self the electric machine casing of respective design.
Summary of the invention
The objective of the invention is to, have a motor of avoiding described shortcoming and can on same electric machine casing, stably fixedly having different stator length in the hand held power machine of multi-piece type housing a kind of.
According to the present invention, reach this purpose by a kind of hand held power machine with feature of claim 1, wherein add on electric machine casing at least two second clamping recess are set, these second clamping recess have an axial dipole field with respect to first clamping recess.Clamping connector can be installed on two different axial heights by selecting at least whereby, one of therefore again can different stator length as one man each axial stop be fixed on one of two corresponding axial locations at least with at least two.The various motor types that can on same electric machine casing, stably fixedly have in such a way, different stator length respectively.
In a kind of particularly preferred form of implementation, not only two first clamping recess but also two second clamping recess are distinguished basically at diametrically opposite about axis.Can bear being in operation of whole radial effects whereby especially reliably and be created in power on the stator.
Advantageously, each clamping element is made of screw, and these screws have an ailhead respectively, an axial pressing force can be applied to of stator on the end face of a construction opening by ailhead.Thus can be especially simply and constitute axial stop cheaply, the zone by head of screw itself for example.
Preferably, thrust is applied on the end face of stator under can placing the situation of bearing sleeve in the centre, thereby each bearing sleeve is shifted onto on the bar of screw respectively and constituted axial stop.This can make thrust reach better Load distribution on stator.
In a kind of particularly advantageous form of implementation, a ventilation component that can be fixed on the annular on the electric machine casing is set, it forms some supporting dimples, and the latter can overlap and install on the bearing sleeve and radially outward support simultaneously these bearing sleeves.Therefore screw might be bearing on the housing component in radial direction, this housing component just has a rigidity higher than electric machine casing in this direction.In such a way, can for example avoid the visible from the outside distortion of tightening generation by screw on housing when hand held power machine is assembled.
Each screw has screw thread respectively in addition, and advantageously, screw thread can directly be close to the circumferential surface of stator in radial direction.The part of the axial force that produces in can intercept operation via the contact of this side reduces the axial load on head of screw whereby.
Particularly advantageously in this respect be, each clamping recess radially inwardly has an opening respectively, and screw thread can be close to circumferential surface by this opening.Therefore each screw can be close to stator respectively on a bigger length, can be created in a bigger part of the axial force on the stator whereby in the side intercepting.
Description of drawings
Below illustrate in greater detail the present invention by an embodiment.Wherein:
The decomposition diagram of Fig. 1 one hand held power machine of the present invention;
The construction opening of Fig. 2 hand held power machine is the side in fixed stator situation lower edge Fig. 1
Vertical view to II;
The cutaway view that intercepts by Fig. 2 midplane III-III when Fig. 3 removes stator;
The perspective view of the amplification of a kind of clamping connector that unclamps of Fig. 4 stator; And
Fig. 5 is embedding motor and is passing through Fig. 2 midplane under the suit ventilation component situation
The cutaway view of V-V intercepting.
Embodiment
Fig. 1 illustrates the rear portion of a hand held power machine 2, and hand held power machine for example is the form of a Screw driving machine, drilling machine, impact type drilling machine or rock drill, and this toolroom machine has an overall multi-piece type housing with 4 marks.Its middle shell 4 has a principal part 6, and it forms a pistol-like handle 8 and the partly effect of electrizer housing 10.Housing 4 also comprises the ventilation component with four screw holes 14 12 of an annular, it can be installed between a protruding part 16 and the electric machine casing 10 by the retaining element that is not shown in further detail via each screw hole.
Fixedly install two clamping elements 24 for stator 20 in electric machine casing 10 in addition, it is exemplary to be the form of screw.They have an ailhead 26 and a bar 28 respectively, wherein when stator 20 is installed each bearing sleeve 30 are shifted onto on each bar 28.And then each clamping element 24 is clamped on two the first clamping recess 32a of electric machine casing 10, each bearing sleeve 30 puts in two projectioies 34 of stator 20 simultaneously, and each projection limits by a step 36 to the direction of handle side.When clamping two clamping elements 24, therefore bearing sleeve 30 partly is close to step 36 and is therefore constituted the axial stop of an open side of stator 20.
In such a way, each clamping element 24, each the first clamping recess 32a, each bearing sleeve 30 and the projection 34 that respectively comprises step 36 at stator 20 under the assembled state on the motor casing 10, special such as seen from Figure 2 as it, constitute two overall clamping connectors with 38 marks.But by these clamping connectors 38 about axis A fixed stator 20 in axial direction but also radially not only.
As also can being found out by Fig. 2, wherein two clamping connectors 38 radially are provided with mutually about axis A, so that guarantee stable fixing.And 90 ° two second clamping recess 32b are set with respect to two clamping connectors, 38 dislocations respectively on electric machine casing 10, it is adjacent to projection 34 location that one of stator 20 comprises step 36 equally respectively.
As especially as seen from Figure 3, the first clamping recess 32a has one first screwed hole 40a and comprises that the first end face 42a and second a clamping recess 32b in open side has the second end face 42b that one second screwed hole 40b comprises an open side.These end faces 42a, 42b constitute one when clamping stator 20 can the maximum terminal backstop of putting in the electric machine casing 10 up to bearing sleeve 30.The in axial direction relative second end face 42b of the first end face 42a has a skew v in this respect.In such a way might be by selecting one of stator 20 to be clamped on the same electric machine casing 10 with two different lengths, simultaneously with clamping element 24 or be clamped to the first clamping recess 32a and go up or be clamped on the second clamping recess 32b.Two first end face 42a or two second end face 42b preferably are arranged on same axial height respectively mutually.But also might be in the structure of corresponding stator 20 with they axially dislocation settings mutually.
Exemplary amplification when stator 20 has embedded electric machine casing 10 and unclamped clamping element 24 illustrates of two second clamping recess 32b to Fig. 4 for whole clamping recess 32a, 32b.As can being found out by it, the screwed hole 40b of the second clamping recess 32b radially inwardly has an opening 44 at end face 42b.The circumferential surface 48 that can be close to stator 20 via a screw thread 46 of these opening 44 clamping elements 24.In the same way, on another second clamping recess 32b and on two first clamping recess 32a, also constitute an opening 44 respectively.
Therefore under the state of the assembling of the motor 22 of pressing Fig. 5, in axial direction except that a thrust P works, this thrust affact on the bearing sleeve 30 via the head of screw 26 of the clamping element 24 that clamps and via bearing sleeve continue to affact stator 20 on the step 36 of construction opening 18, the confining force H of side also works, and this confining force acts on the circumferential surface 48 of stator 20 via screw thread 46.
As also can being found out by Fig. 5, two clamping connectors of finishing 38 also are used as plug-in device, and the corresponding supporting of each that thereon can suit ventilation component 12 dimple 50 is so that be fixed on ventilation component on the electric machine casing 10.Each supports dimple 50 and constitutes columniform basically and encirclement bearing sleeve 30 under the state of suit for this reason.In order also to make housing 4 be adapted to the motor 22 of different length, also can select to comprise a plurality of ventilation components 12 with different axial lengths.
Claims (7)
1. the hand held power machine (2) that has a multi-piece type housing (4), comprise an electric machine casing (10), this electric machine casing forms a construction opening (18), a stator (20) of determining the motor (22) of an axis (A) can be embedded in the electric machine casing (10) via this opening, wherein stator (20) can be fixed on the embedded location by an axial stop, axial stop can be close to stator (20) and pass through two clamping connectors (38) but axial restraint in open side, clamping connector has at least two clamping elements (24), these clamping elements remain on two first clamping recess (32a) that are arranged on the electric machine casing (10), it is characterized in that, go up additional at least two second clamping recess (32b) that are provided with at electric machine casing (10), these second clamping recess have an axial dipole field (v) with respect to first clamping recess (32a).
2. according to the described hand held power machine of claim 1, it is characterized in that, not only two first clamping recess (32a) but also two second clamping recess (32b) about axis (A) respectively at diametrically opposite.
3. according to the described hand held power machine of claim 2, it is characterized in that, each clamping element (24) is made of screw, and these screws have an ailhead (26) respectively, an axial pressing force (P) can be applied to of stator (20) on the side of construction opening (18) by ailhead.
4. according to the described hand held power machine of claim 3, it is characterized in that thrust (P) is applied on the stator (20) under can placing the situation of bearing sleeve (30) in the centre, each bearing sleeve is shifted onto respectively on the bar (28) of each clamping element (24).
5. according to the described hand held power machine of claim 4, it is characterized in that, a ventilation component (12) that can be fixed on the annular on the electric machine casing (10) is set, this ventilation component forms some supporting dimples (50), and these supporting dimples can overlap and install to that bearing sleeve (30) is gone up and radially outward support these bearing sleeves simultaneously.
6. according to the described hand held power machine of one of claim 3 to 5, it is characterized in that clamping element (24) has screw thread (46), this screw thread can directly be close to the circumferential surface (48) of stator (20) in radial direction.
7. according to the described hand held power machine of claim 6, it is characterized in that each clamping recess (32a, 32b) radially inwardly has an opening (44) respectively, screw thread (46) can be close to circumferential surface (48) by this opening.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE200610000543 DE102006000543A1 (en) | 2006-12-21 | 2006-12-21 | Hand tool device has multipart housing, which has motor housing, forming assembly opening, over which stator of motor is inserted in motor housing |
| DE102006000543.0 | 2006-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101207311A true CN101207311A (en) | 2008-06-25 |
Family
ID=39431250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101599087A Pending CN101207311A (en) | 2006-12-21 | 2007-12-20 | Hand tool device has multipart housing |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101207311A (en) |
| DE (1) | DE102006000543A1 (en) |
| FR (1) | FR2910737B1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249126A (en) * | 2013-06-28 | 2014-12-31 | 前进工厂-奥伯基尔希股份公司 | Method for manufacturing component, components and die for executing the method |
| CN107735223A (en) * | 2015-06-05 | 2018-02-23 | 英古所连公司 | Power tool housing |
| CN108696070A (en) * | 2017-04-10 | 2018-10-23 | 马勒国际有限公司 | control device and corresponding manufacturing method |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5319422B2 (en) * | 2009-06-29 | 2013-10-16 | 株式会社マキタ | Motor assembly assembly structure |
| DE102011081442A1 (en) * | 2011-08-23 | 2013-02-28 | Robert Bosch Gmbh | Hand tool |
| US9555554B2 (en) | 2013-05-06 | 2017-01-31 | Milwaukee Electric Tool Corporation | Oscillating multi-tool system |
| GB201413008D0 (en) * | 2014-07-23 | 2014-09-03 | Black & Decker Inc | A range of power tools |
| US10615670B2 (en) | 2015-06-05 | 2020-04-07 | Ingersoll-Rand Industrial U.S., Inc. | Power tool user interfaces |
| US10668614B2 (en) | 2015-06-05 | 2020-06-02 | Ingersoll-Rand Industrial U.S., Inc. | Impact tools with ring gear alignment features |
| US11260517B2 (en) | 2015-06-05 | 2022-03-01 | Ingersoll-Rand Industrial U.S., Inc. | Power tool housings |
| WO2016196984A1 (en) | 2015-06-05 | 2016-12-08 | Ingersoll-Rand Company | Power tools with user-selectable operational modes |
| US11691261B2 (en) | 2020-06-02 | 2023-07-04 | Snap-On Incorporated | Housing clamp for a power tool |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050023912A1 (en) * | 2003-07-28 | 2005-02-03 | A.O. Smith Corporation | Electric motor for hydromassage bathtubs |
| US7077218B2 (en) * | 2004-05-20 | 2006-07-18 | Black & Decker Inc. | Motor housing and assembly process for power tool |
| US7091640B2 (en) * | 2004-05-26 | 2006-08-15 | Emerson Electric Co. | Motor with a multifunction bearing cap and method of assembly |
-
2006
- 2006-12-21 DE DE200610000543 patent/DE102006000543A1/en not_active Withdrawn
-
2007
- 2007-12-20 FR FR0760094A patent/FR2910737B1/en not_active Expired - Fee Related
- 2007-12-20 CN CNA2007101599087A patent/CN101207311A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249126A (en) * | 2013-06-28 | 2014-12-31 | 前进工厂-奥伯基尔希股份公司 | Method for manufacturing component, components and die for executing the method |
| CN104249126B (en) * | 2013-06-28 | 2016-08-24 | 前进工厂-奥伯基尔希股份公司 | For manufacturing the method for component, this class A of geometric unitA and for performing the mould of the method |
| CN107735223A (en) * | 2015-06-05 | 2018-02-23 | 英古所连公司 | Power tool housing |
| CN107735223B (en) * | 2015-06-05 | 2022-01-11 | 英格索兰工业美国公司 | Power tool housing |
| CN108696070A (en) * | 2017-04-10 | 2018-10-23 | 马勒国际有限公司 | control device and corresponding manufacturing method |
| CN108696070B (en) * | 2017-04-10 | 2023-05-09 | 马勒国际有限公司 | Control device and corresponding manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102006000543A1 (en) | 2008-06-26 |
| FR2910737B1 (en) | 2017-05-19 |
| FR2910737A1 (en) | 2008-06-27 |
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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 |
Application publication date: 20080625 |