CN203491827U - Electric tool having anti-creeping device - Google Patents
Electric tool having anti-creeping device Download PDFInfo
- Publication number
- CN203491827U CN203491827U CN201320597667.5U CN201320597667U CN203491827U CN 203491827 U CN203491827 U CN 203491827U CN 201320597667 U CN201320597667 U CN 201320597667U CN 203491827 U CN203491827 U CN 203491827U
- Authority
- CN
- China
- Prior art keywords
- shell
- sheath
- stator
- location division
- motor
- 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
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000004568 cement Substances 0.000 claims description 5
- -1 phenolic aldehyde Chemical class 0.000 claims description 5
- 239000002184 metal Substances 0.000 abstract description 3
- 230000032683 aging Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses an electric tool having an anti-creeping device. The electric tool comprises a housing and a motor disposed inside the housing. Multiple interlocking portions are arranged on the inner surface of the housing, and each interlocking portion is provided with a screw hole. The motor comprises a stator, a rotor and the anti-creeping device, wherein the stator is provided with multiple coils and is arranged inside the housing in the axis direction, the rotor rotates relative to the stator, a cooling fan is arranged at the rear end of the rotor, and the anti-creeping device is arranged between the housing and the motor. The anti-creeping device comprises a sheath unit arranged between the housing and the motor, and a connecting unit through which the sheath unit is arranged between the stator and the housing. According to the utility model, the stator and the housing are separated via sheaths, so that electric leakage due to metal filings and oil droplets in the air going into the tool is prevented, and an anti-creeping function is achieved.
Description
Technical field
The utility model relates to a kind of electric tool with anticreeper.
Background technology
Along with the improvement of people's life, also more and more higher to the pursuit of quality of the life, a lot of people like doing it yourself assembling or arranging furniture etc.
Thus, people need electric tool to realize oneself design and assembling.
And existing electric tool may leak electricity when driving, may cause potential safety hazard.
For this reason, designer of the present utility model is because above-mentioned defect, by concentrating on studies and designing, is comprehensively engaged in for a long time experience and the achievement of related industry for many years, and research and design goes out a kind of electric tool with anticreeper, to overcome above-mentioned defect.
Utility model content
The technical problems to be solved in the utility model is: existing electric tool may leak electricity when driving, and may cause potential safety hazard.
For addressing the above problem, the utility model discloses a kind of electric tool with anticreeper, described electric tool comprises shell and is positioned at the motor of shell, the inner surface of described shell is provided with a plurality of lock-joining parts, each lock-joining part is provided with screw, and described motor has along axis and is arranged in described shell and has the stator of a plurality of coils, and a rotor with respect to described stator rotation, the rear end of described rotor is provided with cooling fan, it is characterized in that:
Also comprise an anticreeper, be arranged between described shell and motor,
Described anticreeper comprises the sheath unit being arranged between described shell and motor, and described sheath unit is bonded to the linkage unit between described stator and shell;
Described sheath unit is made by phenolic aldehyde plastic cement, comprise one and isolate the first sheath and second sheath of described stator and shell along axis, described the first sheath and the second sheath are respectively in the two ends of described stator, described the first sheath comprises the first noumenon cylindraceous and a plurality of described the first noumenon inner surface first location division corresponding with the lock-joining part of described shell of being arranged at intervals at, and described the second sheath comprises the second body cylindraceous and a plurality of described the second body internal surface second location division corresponding with described the first location division of being arranged at intervals at.
Wherein: the locking bar that described linkage unit comprises a plurality of columns, described locking bar sequentially wears behind the second location division, described stator and described the first location division interlocking to the lock-joining part of described shell.
Wherein: described locking bar comprises the inserting section that runs through the second location division, described stator and described the first location division and the thread segment that is screwed into the screw of described lock-joining part.
By said structure, the utility model has been realized following technique effect:
1, by sheath, separate described stator and shell, avoided airborne metal fillings or oil droplet entering tool inner and cause electric leakage, thereby anti-creeping function is provided;
2, sheath is made by phenolic aldehyde plastic cement, combines good mechanical strength and insulation property, has avoided quick aging, can effectively increase the service life.
Detailed content of the present utility model can obtain by explanation described later and institute's accompanying drawing.
Accompanying drawing explanation
Fig. 1 has shown the cutaway view of the electric tool that the utlity model has anticreeper.
Fig. 2 has shown decomposing schematic representation of the present utility model.
Embodiment
Referring to Fig. 1, shown the electric tool with anticreeper of the present utility model.
Described electric tool 4 comprises shell 41 and is positioned at the motor 42 of shell 41, the inner surface 411 of described shell 41 is provided with a plurality of lock-joining parts 412, each lock-joining part 412 is provided with screw 413, described motor 42 has along axis II and is arranged in described shell 41 and has the stator 421 of a plurality of coils 422, and the rotor 423 rotating with respect to described stator 421, the rear end of described rotor 423 is provided with cooling fan, and described cooling fan is fixed on described rotor 423 by bearing.
An and anticreeper 3, be arranged between described shell 41 and motor 42, described anticreeper 3 comprises the sheath unit 31 being arranged between described shell 41 and motor 42, and described sheath unit 31 is bonded to the linkage unit 32 between described stator 421 and shell 41.
Described sheath unit 31 for example, is made by insulating material (phenolic aldehyde plastic cement), comprise one and isolate the first sheath 311 and second sheath 312 of described stator 421 and shell 41 along axis II, described the first sheath 311 and the second sheath 312 are respectively in the two ends of described stator 421, described the first sheath 311 comprises the first noumenon 313 cylindraceous and a plurality of described the first noumenon 313 inner surfaces 314 first location division 315 corresponding with the lock-joining part 412 of described shell 41 of being arranged at intervals at, described the second sheath 312 comprises the second body 316 cylindraceous and a plurality of described the second body 316 inner surfaces 317 second location division 318 corresponding with described the first location division 315 of being arranged at intervals at.
The locking bar 321 that described linkage unit 32 comprises a plurality of columns, described locking bar 321 sequentially wears the second location division 318, described stator 421 and described the first rear interlocking in location division 315 to the lock-joining part 412 of described shell 41, so that described sheath unit 31 is fixed between stator 421 and shell 41.
Wherein, described locking bar 321 comprises the thread segment 323 that runs through the inserting section 322 of the second location division 318, described stator 421 and described the first location division 315 and be screwed into the screw 413 of described lock-joining part 412.
Known by said structure, the utility model has the advantage of:
1, by sheath, separate described stator and shell, avoided airborne metal fillings or oil droplet entering tool inner and cause electric leakage, thereby anti-creeping function is provided;
2, sheath is made by phenolic aldehyde plastic cement, combines good mechanical strength and insulation property, has avoided quick aging, can effectively increase the service life.
It is evident that above description and to record be only for example rather than in order to limit disclosure of the present utility model, application or use.Although described in an embodiment and be described in the drawings embodiment, but the optimal mode that the utility model does not limit by accompanying drawing example and the conduct of describing is in an embodiment thought to be at present to implement the specific examples of instruction of the present utility model, scope of the present utility model will comprise any embodiment of the specification that falls into above and appended claim.
Claims (3)
1. an electric tool with anticreeper, described electric tool comprises shell and is positioned at the motor of shell, the inner surface of described shell is provided with a plurality of lock-joining parts, each lock-joining part is provided with screw, described motor has along axis and is arranged in described shell and has the stator of a plurality of coils, and the rotor with respect to described stator rotation, the rear end of described rotor is provided with cooling fan, it is characterized in that:
Also comprise an anticreeper, be arranged between described shell and motor,
Described anticreeper comprises the sheath unit being arranged between described shell and motor, and described sheath unit is bonded to the linkage unit between described stator and shell;
Described sheath unit is made by phenolic aldehyde plastic cement, comprise one and isolate the first sheath and second sheath of described stator and shell along axis, described the first sheath and the second sheath are respectively in the two ends of described stator, described the first sheath comprises the first noumenon cylindraceous and a plurality of described the first noumenon inner surface first location division corresponding with the lock-joining part of described shell of being arranged at intervals at, and described the second sheath comprises the second body cylindraceous and a plurality of described the second body internal surface second location division corresponding with described the first location division of being arranged at intervals at.
2. the electric tool with anticreeper as claimed in claim 1, it is characterized in that: the locking bar that described linkage unit comprises a plurality of columns, described locking bar sequentially wears behind the second location division, described stator and described the first location division interlocking to the lock-joining part of described shell.
3. the electric tool with anticreeper as claimed in claim 2, is characterized in that: described locking bar comprises the inserting section that runs through the second location division, described stator and described the first location division and the thread segment that is screwed into the screw of described lock-joining part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597667.5U CN203491827U (en) | 2013-09-26 | 2013-09-26 | Electric tool having anti-creeping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597667.5U CN203491827U (en) | 2013-09-26 | 2013-09-26 | Electric tool having anti-creeping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491827U true CN203491827U (en) | 2014-03-19 |
Family
ID=50262628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320597667.5U Expired - Fee Related CN203491827U (en) | 2013-09-26 | 2013-09-26 | Electric tool having anti-creeping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203491827U (en) |
-
2013
- 2013-09-26 CN CN201320597667.5U patent/CN203491827U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20140926 |
|
| EXPY | Termination of patent right or utility model |