CN1179826C - Outer-shell of electric appliance especially electric power tool - Google Patents
Outer-shell of electric appliance especially electric power tool Download PDFInfo
- Publication number
- CN1179826C CN1179826C CNB001342193A CN00134219A CN1179826C CN 1179826 C CN1179826 C CN 1179826C CN B001342193 A CNB001342193 A CN B001342193A CN 00134219 A CN00134219 A CN 00134219A CN 1179826 C CN1179826 C CN 1179826C
- Authority
- CN
- China
- Prior art keywords
- shell
- electric wire
- outlet
- bend pipe
- housing department
- 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
- 238000005452 bending Methods 0.000 description 6
- 238000012856 packing Methods 0.000 description 3
- 229910001651 emery Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 208000007103 Spondylolisthesis Diseases 0.000 description 1
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 244000240602 cacao Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000032258 transport 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/18—Distribution boxes; Connection or junction boxes providing line outlets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
- Installation Of Indoor Wiring (AREA)
- Portable Power Tools In General (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Details Of Indoor Wiring (AREA)
Abstract
The invention provides a casing of an electric machine, in particular a motor-driven tool, includes a casing (12) having a leadout hole (19) for electric connection cables (18), which are threaded through a bent protection sleeve (20) connected with the leadout hole, wherein a cable portion (25) is guided in the vertical direction by a vertically long stretching hose (22) of the sleeve in the leadout direction specified thereby, and the leadout hole (19) is arranged so that the connection cables (18) are guided along the casing wall (26) throughout the division specified outside the casing (11).
Description
Technical field
The present invention is based on a kind of electric appliance casing and especially electric tool shell.Particularly, the present invention relates to a kind of angel grinder, its elongated shell is as handle.
Background technology
In this electric appliance casing and especially electric tool shell, the anti-bend pipe that band connection electric wire is worn the shell outlet mainly is positioned on the shell end, and as in angel grinder, it is positioned on the handle.Anti-bend pipe and is connected electric wire and gives prominence to there prevents that wherein the length of freely giving prominence to of bend pipe is about 80 millimeters.If do not use electric tool, then shell allows to jump and tightly be wrapped on the shell and especially on the shell part connecting an electric wire usually.Therefore, connect electricity continue in the shell exit region or the local exit region of shell in born very big bending.Therefore, produced usually as the angle of bends that equal 180 degree with less than 20 millimeters bending radius.Because it is crooked very tempestuously to connect electric wire, so occurred the electric wire fracture usually in electric wire is worn the shell exit region.In most of the cases, electric tool is placed in the tool box when not using, and wherein being projected into the connection electric wire of shell on distolateral here is a kind of obstacle.Thereby want aggressive bend to connect electric wire usually subsequently, so that can at an easy rate electric tool be installed in the tool box.In addition disadvantageously, because of above-mentioned reason must the tool box and sell goods package design must be bigger, as and required, and do so just for the exceptional space size of minimum being provided for the connection electric wire of giving prominence to according to the peculiar size of electric tool.
Summary of the invention
It is especially a kind of curved abrasive machine to the objective of the invention is to propose a kind of electric tool, and it can collect the connection electric wire better, and reduces packaging volume thus.
The technical scheme of above-mentioned purpose is a kind of angel grinder, its elongated shell is as handle, this shell comprises that one has one and is used for a housing department that connects the outlet of electric wire, described electric wire passes an anti-bend pipe that links to each other with outlet, wherein a wire segment extends predetermined thus stretching out on the direction by Great Wall Software's pipe preventing bend pipe, described outlet is arranged to make the connection electric wire to extend a segment distance along shell wall at shell, it is characterized in that, described outlet is set in the shell wall, and make the vertical central axis of anti-bend pipe and the wire segment of walking and outlet along shell wall and extension abreast with it, described shell is made into to be used to put the rounding longitudinal part of the connection electric wire that is rolled, and described shell is applicable to the connection electric wire that fixedly is rolled by offer a recess or groove in an appropriate location.
Electric appliance casing of the present invention and especially electric tool shell have makes the connection electric wire not bear the advantage of too high bending better.Direction is suitably offered the electric wire Way out and it is arranged essentially parallel to shell wall, and temporary transient recurvation is also crossed crooked tempestuously subsequently when having avoided the connection electric wire thus on being crimped onto shell or shell part.By design connect electric wire mainly around shape and the especially shape of shell part of shell of bending, can also limit as far as possible little and admissible bending radius.Obviously reduced the electric wire risk of breakage and perhaps can adopt simpler and thereby cheaper connection electric wire and the anti-bend pipe of cost.
As for wherein in that the time spent is not put into the presumable tool box of electric tool and the packing of selling goods, can advantageously dwindle the case size or the Package size that are used for most of electric tools, but this is because root of hair saves the exceptional space that may be used to be projected into the outer connection electric wire of shell according to the present invention ground.In this tool box and packing, caused material to be saved and weight saving thus.
Description of drawings
In following specification, described embodiment describes the present invention in detail with reference to accompanying drawing, wherein:
Fig. 1 is the diagrammatic side view of an electric tool (is angel grinder at this);
Fig. 2 is the electric tool vertical view along direction of arrow II shown in Fig. 1 bottom side;
Fig. 3 is the diagrammatic side view that roughly is equal to view shown in Figure 1, has been wound onto on the shell but connect electric wire;
Fig. 4 is the schematic diagram along the direction of arrow IV of Fig. 3;
Fig. 5 is the signal amplification view of local V shown in Figure 1.
Embodiment
In the drawings, show the hand held electric tool that is designed to hand-operated electric tool 10 structures as the electrical equipment example, wherein electric tool 10 is designed to the shape of angel grinder in an illustrated embodiment.Obviously, in addition still can adopt electrical equipment such as hand-operated tools and the especially electric tool of other form.For example, it can be grinding tool, spray gun, PUR spray gun, hot-air blowpipe, electronic the cutting or similar tool such as electronic kitchen cutter, electronic kitchen mixer of drilling machine, cramp used in mending pottery or porcelain, planing tool, other form.
In the illustrated embodiment of the electric tool 10 of angel grinder form; it has a shell 11 that comprises a housing department 12 and a gear housing 13; in described gear housing 13, be placed with unshowned bevel gearing; its the drive shaft emery wheel that can not see 14 rotates, and the protected cover 15 of the part of described emery wheel is gone along with sb. to guard him.A handle 16 on gear housing 13 has played the effect that alleviates operation.In shell 11 and especially housing department 12, a unshowned drive motor is housed, it can by switch 17 be switched on disconnect and for example power supply can be connected electric wire 18 by one and give described motor power supply, described electric wire passes shell 11 and especially housing department 12.
Shell 11 and especially housing department 12 have an outlet 12 that is used to connect electric wire 18, connect electric wire and be pulled to the outside by described outlet in housing department 12.In shell 11 and especially housing department 12, connect electric wire 18 usually as further not having the tension structure of alleviating with illustrating.In outlet 19 zones, flexible anti-bend pipe 20 is housed, its cocoa is designed to the shape of elastic hose or spiral spring piece.Connect electric wire 18 and stretch out shell 11, make the connection electric wire not produce aggressive bend thus to a certain extent by the anti-bend pipe 20 that is fixed in shell 11 exit regions.Anti-bend pipe 20 has a flexible pipe 22 that extends along its longitudinal center's axis 21, and it is received within outlet 19 regional interior fixed parts 23 with form fit ground and is integral.Anti-bend pipe 20 has one and is used to hold the through hole 24 that guiding connects the conducting line segment 25 of electric wire 18.Anti-bend pipe 20 stretches out shell 11 and especially housing department 12 about 80 millimeters, and wherein this segment length is exactly the length of lead of the wire segment 25 that guides thus.Wire segment 25 extends longitudinally in one by on the predetermined Way out of its longitudinal center's axis 21 by anti-bend pipe 20, described direction is a level in Fig. 1,2,5 view basically.Outlet 19 so is arranged in the shell wall 26, and the outlet 19 longitudinal center's axis that promptly overlap with longitudinal center's axis 21 of anti-bend pipe 20 and longitudinal center's axis of walking wire segment 25 of stipulating thus also extend with shell wall 26 basically abreast along shell wall 26.
In addition, outlet 19 and anti-bend pipe 20 are arranged on a side 27 of housing department 12 and especially its vertical side, are preferably the bottom side of housing department 12 in the embodiment shown.Select such structure, then the flexible pipe 22 of anti-at least bend pipe 20 can abut in shell wall 26 and especially 12 ends of the housing department survey 27 basically and can send out in its length range and be supported.
Outlet 19 is configured to from 12 right-hand members 28 of the housing department shown in Fig. 1,3 one section fore-and-aft distance is arranged, thereby flexible pipe 22 ends of anti-bend pipe 20 are in the front of this end 28, or flexible pipe ends on the end or is projected into outside the end, and wherein it is roughly parallel to that horizontal shell wall 26 ground are whole to have extended about 80 millimeters outstanding length.
As shown in Figure 5, have an output 29 that protrudes on the outside at the shell wall 26 that the bottom side basic horizontal is extended, this part has outlet 19 and is fixing anti-bend pipe 20.In addition, output 29 can have one along shell wall 26 laterally as the wall portions 30 of extending perpendicular to shell wall ground, has comprised exporting 19 in described wall portion.In the embodiment shown, output 29 is also more outstanding than shell wall 26 in the bottom side.Can further guarantee thus can be to the retrolisthesis hand when user's grasping shell 11.And in another unshowned embodiment, output 29 outside relatively is not outstanding, but enters in the groove of shell wall 26, and wherein connecting electric wire 18 can also continue to extend along the groove on housing department 12 bottom sides.Perhaps, housing department 12 can also have the different shell wall bounce-back portion of project organization, and described connection electric wire 18 stretches out from described bounce-back portion.
In the embodiment shown, shell 11 and be that housing department 12 is designed in the electric wire exit region from transversely seeing rounded longitudinal component 31 at least, thus it can be with the drum stand that acts on the connection electric wire 18 that is rolled.
In Fig. 1,2, show and be in the electric tool 10 of up state.People can see, the outlet that connects electric wire 18 does not resemble and is arranged on shell 11 ends common, and such set-up mode is understood owing to aggressive bend, is twisted and damage connection electric wire 18, but in the present invention, connect outlet 18 that electric wire 18 passes shell 11 and especially housing department 12 and seem to be roughly parallel to bottom side shell wall 26 and extend along described shell wall.Recurvation electric wire 18 and aggressive bend electric wire have subsequently been avoided when not using electric tool 10 and be rolled onto electric wire on the shell 11 thus.Perhaps, it is predetermined by design to connect the direction that electric wire 18 is winding on the shell 11.By the shape of designed enclosures 11, can limit as far as possible little bending radius.When not using electric tool 10, connect electric wire 18 and can roughly on flexible pipe 22 directions of anti-bend pipe 20 be tilt and temporarily by the described electric wire of recess 32 guiding, described recess is used for fixing first lap and connects electric wire 18.Subsequently, realized from left continuation coiling among Fig. 3 this moment by continuing to connect mode on the outside that electric wire 18 is wound into shell 11 and especially housing department 12.As shown in Figure 3, when reeling connection electric wire 18, overbending does not appear.This has following advantage, has promptly obviously alleviated the electric wire risk of breakage that may be caused by overbending electric wire 18.In addition, for use simpler and thereby the cheaper connection electric wire 18 of cost created precondition.Usually, the electric tool 10 of shown type is stored in the tool box when not using and transports.In this case, in common project organization, be projected into the outer connection electric wire of shell and prevent that bend pipe is proved to be pretty troublesome.And by the design of above-mentioned special shape, situation is just different, therefore is winding to electric tool on the shell 11 when being placed into the tool box when it connects electric wire 18, has avoided the overbending of connection electric wire 18 equally.In addition, can reduce tool box and packaging size, this is because can save the space that may be used for outside the end reaches shell 11.This compact conformation has caused the material economy and the weight saving of used tool case and packing.
Claims (7)
1. angel grinder, its elongated shell (11) is as handle, this shell comprises that one has one and is used for a housing department (12) that connects the outlet (19) of electric wire (18), described electric wire passes an anti-bend pipe (20) that links to each other with outlet (19), wherein a wire segment (25) is managed (22) and is extended predetermined thus stretching out on the direction by a Great Wall Software of anti-bend pipe (20), described outlet (19) is arranged to make connection electric wire (18) to extend a segment distance at shell (11) outer shell wall (26), it is characterized in that, described outlet (19) is set in the shell wall (26), and make the vertical central axis (21) of anti-bend pipe (20) and the wire segment (25) of walking and outlet (19) along shell wall (26) and extension abreast with it, described shell is made into to be used to put the rounding longitudinal part (31) of the connection electric wire (18) that is rolled, and described shell is applicable to the connection electric wire (18) that fixedly is rolled by offer a recess (32) or groove in an appropriate location.
2. angel grinder as claimed in claim 1.It is characterized in that outlet (19) and anti-bend pipe (20) are arranged on the side (27) of housing department (12).
3. angel grinder as claimed in claim 2 is characterized in that, anti-bend pipe (20) can abut in shell wall (26) at least basically and go up and supported in its length range.
4. angel grinder as claimed in claim 3, it is characterized in that, there is longitudinal pitch the end (28) that outlet (19) is configured to housing department (12), thus the flexible pipe (22) of anti-bend pipe (20) terminal in the end front or the back of (28), perhaps just on this end.
5. angel grinder as claimed in claim 4, it is characterized in that, shell wall (26) has one and comprises outlet (19) and efferent (29) that keep anti-bend pipe (20), it is projected on the outside of one section housing department (12) as is projected on the outside of shell wall (26), perhaps enters in the housing department (12).
6. angel grinder as claimed in claim 5 is characterized in that, described shell is suitable for by processing and forming and makes the drum stand that coiling connects electric wire (18) usefulness.
7. as described angel grinder one of among the claim 1-6, it is characterized in that, described shell has recess (32) or groove on that side relative with the shell wall that comprises outlet (19) (26), can be when reeling put and fixedly connected electric wire (18) by described recess or groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19947960.7 | 1999-10-06 | ||
| DE1999147960 DE19947960A1 (en) | 1999-10-06 | 1999-10-06 | Housing of an electrical device, in particular an electric tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1291535A CN1291535A (en) | 2001-04-18 |
| CN1179826C true CN1179826C (en) | 2004-12-15 |
Family
ID=7924577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001342193A Expired - Fee Related CN1179826C (en) | 1999-10-06 | 2000-10-05 | Outer-shell of electric appliance especially electric power tool |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2001138268A (en) |
| CN (1) | CN1179826C (en) |
| DE (1) | DE19947960A1 (en) |
| GB (1) | GB2355119B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004046905B4 (en) * | 2004-09-28 | 2016-09-29 | Robert Bosch Gmbh | Electric hand tool with a cable grommet |
| DE102005052488A1 (en) * | 2005-11-03 | 2007-05-10 | Stiebel Eltron Gmbh & Co. Kg | Heater e.g. convection heater, has housing comprising air inlet grille that is provided in upper area of housing whose upper side is designed in rounded and/or curved manner, and control unit arranged at back side of heater |
| DE102007036233A1 (en) * | 2007-08-02 | 2009-02-05 | Metabowerke Gmbh | Electric hand tool |
| DE102008002616A1 (en) * | 2008-06-24 | 2009-12-31 | Robert Bosch Gmbh | Cable grommet for hand tool |
| EP2581175B1 (en) * | 2011-10-11 | 2015-05-27 | Black & Decker Inc. | Cord protector for power tools |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4938642A (en) * | 1988-09-02 | 1990-07-03 | Hitachi Koki Company, Limited | Portable electric router |
| GB9325353D0 (en) * | 1993-12-10 | 1994-02-16 | Black & Decker Inc | Improved electrically powered tool |
-
1999
- 1999-10-06 DE DE1999147960 patent/DE19947960A1/en not_active Withdrawn
-
2000
- 2000-10-02 GB GB0024081A patent/GB2355119B/en not_active Expired - Fee Related
- 2000-10-05 JP JP2000306530A patent/JP2001138268A/en active Pending
- 2000-10-05 CN CNB001342193A patent/CN1179826C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1291535A (en) | 2001-04-18 |
| GB0024081D0 (en) | 2000-11-15 |
| DE19947960A1 (en) | 2001-04-12 |
| JP2001138268A (en) | 2001-05-22 |
| GB2355119A (en) | 2001-04-11 |
| GB2355119B (en) | 2001-12-12 |
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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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041215 Termination date: 20101005 |