CN203592438U - Electric screw driver - Google Patents
Electric screw driver Download PDFInfo
- Publication number
- CN203592438U CN203592438U CN201320766772.7U CN201320766772U CN203592438U CN 203592438 U CN203592438 U CN 203592438U CN 201320766772 U CN201320766772 U CN 201320766772U CN 203592438 U CN203592438 U CN 203592438U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- screw driver
- shaft
- electric screw
- driven shaft
- 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
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides an electric screw driver which comprises a shell. A reversing device is fixed on the head portion of the shell and comprises a sleeve, a driving shaft and a driven shaft. The driving shaft is arranged in the sleeve in a rotating mode and is connected with an output shaft of a motor. A driving bevel gear is arranged at the output end of the driving shaft, the driven shaft is arranged in the sleeve in a rotating mode, the axis of the driven shaft is perpendicular to the axis of the driving shaft, the driven shaft is provided with a driven bevel gear meshed with the driving bevel gear, the output end of the driven shaft extends out of the sleeve, and a screw driver head is fixed at the end portion of the driven shaft. The electric screw driver is stable in transmission, and good in screwing down effect, is provided with the reversing device, and can screw down screws with small upper space; the reversing device can be dismounted, the screw driver head can be directly fixed on the output shaft of the motor, and the electric screw driver is good in flexibility and wide in application range.
Description
Technical field
The utility model relates to a kind of screwdriver, particularly a kind of electric screw driver.
Background technology
When the space of screw top hour, traditional electric screw driver cannot be tightened this screw.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide a kind of electric screw driver of screw being tightened can be less in space in the situation that.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of electric screw driver, comprise housing 1, in described housing 1, be provided with motor 2 and battery 3, the sidewall of described housing 1 is provided with switch 4, described switch 4 is connected between described motor 2 and battery 3, the output shaft of described motor 2 extends to outside described housing 1, the head of described housing 1 is fixed with reversing arrangement, described reversing arrangement comprises sleeve 5, driving shaft 51 and driven shaft 52, described driving shaft 51 is arranged in described sleeve 5 rotationally, and described driving shaft 51 is connected with the output shaft of described motor 2, the output of described driving shaft 51 is provided with drive bevel gear 511, what described driven shaft 52 rotated is arranged in described sleeve 5, and the axis of described driven shaft 52 is vertical with the axis of described driving shaft 51, described driven shaft 52 is provided with the driven wheel of differential 521 engaging with described drive bevel gear, the output of described driven shaft 52 extends to outside described sleeve 5, and be fixed with driver bit 6 in the end of described driven shaft 52.
Further, described driven shaft 52 is arranged in described sleeve 5 rotationally by sliding bearing.
Further, described driving shaft 51 is arranged in described sleeve 5 rotationally by sliding bearing.
Further, the sidewall of described sleeve 5 is provided with the annular protrusion 53 coaxial with described driven shaft 52, and the inwall of described annular protrusion 53 offers cannelure, is provided with the jump ring 54 for sliding bearing described in backstop in described cannelure.
Further, described sleeve 5 is threaded connection the head at described housing 1.
Further, the output of described motor 2 is fixed with installation sleeve 21, and it is orthohexagonal installing hole that the end face of described installation sleeve 21 offers cross section, and the end of described driving shaft 51 is set in described installing hole.
Further, the tail end of described housing 1 has been threaded connection end cap 7.
Further, the gear ratio of described driven wheel of differential and described drive bevel gear is 2:1.
Further, in described sleeve, be provided with balancing weight.
(3) beneficial effect
The utility model electric screw driver, transmission is stable, tightens effectively, is equipped with reversing arrangement, can tighten the less screw of superjacent air space; Also detachable this reversing arrangement, is directly fixed on driver bit on motor output shaft, flexible, applied widely.
Accompanying drawing explanation
Fig. 1 is the utility model electric screwdriver structure schematic diagram;
Fig. 2 is the structural representation of the reversing arrangement of the utility model electric screw driver;
Fig. 3 is the left view of the utility model electric screw driver.
The specific embodiment
Consult Fig. 1～Fig. 3, the utility model provides a kind of electric screw driver, comprise housing 1, in housing 1, be provided with motor 2 and battery 3, be provided with switch 4 at the sidewall of housing 1, switch 4 is connected between motor 2 and battery 3, be that motor 2 is electrically connected with switch 4, switch 4 is electrically connected with battery again, switch 4 is for controlling the keying of motor 2, the output shaft of motor 2 extends to outside housing 1, head at housing 1 is fixed with reversing arrangement, this reversing arrangement comprises sleeve 5, driving shaft 51 and driven shaft 52, driving shaft 51 is arranged in sleeve 5 rotationally by sliding bearing, and driving shaft 51 is connected with the output shaft of motor 2, the output of driving shaft 51 is provided with drive bevel gear 511, what driven shaft 52 rotated by sliding bearing is arranged in sleeve 5, and the axis of driven shaft 52 is vertical with the axis of driving shaft 51, driven shaft 52 is provided with the driven wheel of differential 521 engaging with drive bevel gear, the output of this driven shaft 52 extends to outside sleeve 5, and be fixed with driver bit 6 in the end of driven shaft 52, for easy disassembly, be provided with the annular protrusion 53 coaxial with driven shaft 52 at the sidewall of sleeve 5, the inwall of this annular protrusion 53 offers cannelure, is provided with the jump ring 54 for backstop sliding bearing in cannelure, install for convenient, and detachable, sleeve 5 is threaded connection the head at housing 1, in order to improve flexibility, can without reversing arrangement in the situation that, also can normally use, be fixed with installation sleeve 21 at the output of motor 2, offering cross section at the end face of installation sleeve 21 is orthohexagonal installing hole, and the end of driving shaft 51 is set in described installing hole, in order to be convenient for changing battery etc., be threaded connection end cap 7 at the tail end of housing 1, in order to control rotating speed, improve moment of torsion, the gear ratio of driven wheel of differential and drive bevel gear is greater than 1:1, preferably 2:1, in order to prevent causing in use cutter head slippage, in sleeve, be provided with balancing weight.
The utility model electric screw driver, transmission is stable, tightens effectively, is equipped with reversing arrangement, can tighten the less screw of superjacent air space; Also detachable this reversing arrangement, is directly fixed on driver bit on motor output shaft, flexible, applied widely.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. an electric screw driver, it is characterized in that: comprise housing, in described housing, be provided with motor and battery, the sidewall of described housing is provided with switch, described switch series is associated between described motor and battery, the output shaft of described motor extends to outside described housing, the head of described housing is fixed with reversing arrangement, described reversing arrangement comprises sleeve, driving shaft and driven shaft, described driving shaft is arranged in described sleeve rotationally, and described driving shaft is connected with the output shaft of described motor, the output of described driving shaft is provided with drive bevel gear, what described driven shaft rotated is arranged in described sleeve, and the axis of described driven shaft is vertical with the axis of described driving shaft, described driven shaft is provided with the driven wheel of differential engaging with described drive bevel gear, the output of described driven shaft extends to outside described sleeve, and the end at described driven shaft is fixed with driver bit.
2. electric screw driver as claimed in claim 1, is characterized in that: described driven shaft is arranged in described sleeve rotationally by sliding bearing.
3. electric screw driver as claimed in claim 2, is characterized in that: described driving shaft is arranged in described sleeve rotationally by sliding bearing.
4. electric screw driver as claimed in claim 3, it is characterized in that: the sidewall of described sleeve is provided with the annular protrusion coaxial with described driven shaft, the inwall of described annular protrusion offers cannelure, is provided with the jump ring for sliding bearing described in backstop in described cannelure.
5. electric screw driver as claimed in claim 4, is characterized in that: described sleeve is threaded connection the head at described housing.
6. electric screw driver as claimed in claim 5, is characterized in that: the output of described motor is fixed with installation sleeve, and it is orthohexagonal installing hole that the end face of described installation sleeve offers cross section, and the end of described driving shaft is set in described installing hole.
7. electric screw driver as claimed in claim 6, is characterized in that: the tail end of described housing has been threaded connection end cap.
8. electric screw driver as claimed in claim 7, is characterized in that: the gear ratio of described driven wheel of differential and described drive bevel gear is 2:1.
9. electric screw driver as claimed in claim 8, is characterized in that: in described sleeve, be provided with balancing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766772.7U CN203592438U (en) | 2013-11-28 | 2013-11-28 | Electric screw driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320766772.7U CN203592438U (en) | 2013-11-28 | 2013-11-28 | Electric screw driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203592438U true CN203592438U (en) | 2014-05-14 |
Family
ID=50673377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320766772.7U Expired - Fee Related CN203592438U (en) | 2013-11-28 | 2013-11-28 | Electric screw driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203592438U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555816A (en) * | 2018-03-13 | 2018-09-21 | 北航（四川）西部国际创新港科技有限公司 | Multi-purpose unmanned aerial vehicle dismounts vector screwdriver |
| CN111958530A (en) * | 2020-08-31 | 2020-11-20 | 刘修东 | Extensible turning device for electric screwdriver |
| CN113601442A (en) * | 2021-08-17 | 2021-11-05 | 合肥工业大学 | Two independent impact piece booth apart from strikeing bottle opener |
-
2013
- 2013-11-28 CN CN201320766772.7U patent/CN203592438U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555816A (en) * | 2018-03-13 | 2018-09-21 | 北航（四川）西部国际创新港科技有限公司 | Multi-purpose unmanned aerial vehicle dismounts vector screwdriver |
| CN111958530A (en) * | 2020-08-31 | 2020-11-20 | 刘修东 | Extensible turning device for electric screwdriver |
| CN113601442A (en) * | 2021-08-17 | 2021-11-05 | 合肥工业大学 | Two independent impact piece booth apart from strikeing bottle opener |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20141128 |
|
| EXPY | Termination of patent right or utility model |