CN203566593U - Multi-speed electric screw driver - Google Patents
Multi-speed electric screw driver Download PDFInfo
- Publication number
- CN203566593U CN203566593U CN201320830203.4U CN201320830203U CN203566593U CN 203566593 U CN203566593 U CN 203566593U CN 201320830203 U CN201320830203 U CN 201320830203U CN 203566593 U CN203566593 U CN 203566593U
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- China
- Prior art keywords
- driven gear
- output
- gear
- gearbox body
- shaft
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- Expired - Fee Related
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Abstract
The utility model provides a multi-speed electric screw driver which comprises a shell and a gearbox body, wherein the shell is internally provided with a motor; the output end of the motor is extended to the interior of the gearbox body; the gearbox body is internally and coaxially provided with a driving rotary shaft and an output rotary shaft; the driving rotary shaft is connected to the output end of the motor and a driving gear is fixedly arranged on the driving rotary shaft; the end part of the output rotary shaft is extended to the exterior of the gearbox body, and a screw driver head is fixedly arranged at the end part; the output rotary shaft is fixedly provided with an output gear; middle driving shafts are parallelly arranged in the gearbox body; two ends of each middle driving shaft are respectively provided with a first driven gear and a second driven gear which are mutually meshed; the second driven gear is meshed with the output gear; the second driven gears are different in tooth number; the middle driving shafts are provided with electromagnetic clutches which are positioned between the first driven gears and the second driven gears. The multi-speed electric screw driver is simple in structure, can be used for regulating the rotation speed and the torque at any time, and is good in flexibility and wide in application range.
Description
Technical field
The utility model relates to a kind of electric screw driver, particularly a kind of multispeed motor screwdriver.
Background technology
The output speed of traditional electric screw driver is fixed, and therefore can only export fixing rotating speed and moment of torsion, cannot adjusting rotary speed, and cause the scope of application little, cannot export high rotating speed and high moment of torsion.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide the multispeed motor screwdriver of a kind of energy adjusting rotary speed and moment of torsion.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of multispeed motor screwdriver, comprise housing 1 and the gearbox body 2 that is arranged on described housing 1 head, in described housing 1, be provided with motor 101, the output of described motor 101 extends in described gearbox body 2, in described gearbox body 2, be coaxially arranged with active rotating shaft 201 and output revolving shaft 202, described active rotating shaft 201 connects the output of described motor 101 and be fixed with driving gear 203 on described active rotating shaft 201, the end of described output revolving shaft 202 extends to outside described gearbox body 2 and is fixed with driver bit in end, on described output revolving shaft 202, be fixed with output gear 204, in described gearbox body 2, be arranged with at least two intermediate propeller shafts 205 in parallel, the two ends of described intermediate propeller shaft 205 are respectively arranged with the first driven gear 206 and the second driven gear 207, described the first driven gear 206 engages with described driving gear 203, described the second driven gear 207 engages with described output gear 204, the number of teeth difference of each described the second driven gear, described intermediate propeller shaft is provided with electromagnetic clutch 208, described electromagnetic clutch is between described the first driven gear 206 and described the second driven gear 207.
Further, described driving gear 203, the first driven gear 206, the second driven gear 207 and output gear 204 are angular wheel.
Further, be positioned at the towards the opposite of the first driven gear 206 on same described intermediate propeller shaft 205 and the second driven gear 207.
Further, be positioned at the first driven gear 206 on same described intermediate propeller shaft 205 identical with the structure of the second driven gear 207.
Further, described intermediate propeller shaft 205 is four and be arranged in parallel.
Further, described active rotating shaft 201, output revolving shaft 202 and intermediate propeller shaft 205 are all arranged in described gearbox body rotationally by sliding bearing.
(3) beneficial effect
The utility model multispeed motor screwdriver, can select different rotating speeds and moment of torsion according to different operating modes, by controlling electromagnetic clutch, reach the object of gearshift, when need are exported high rotating speed, select the second driven gear number of teeth to be greater than a grade of the output gear number of teeth, when need are exported high moment of torsion, selection the second driven gear gear is less than a grade of the output gear number of teeth, can regulate at any time according to operating mode; The utility model multispeed motor screwdriver, simple in structure, adjusting rotary speed and moment of torsion, flexible at any time, applied widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model multispeed motor screwdriver;
Fig. 2 is the structural representation of the gearbox body of the utility model multispeed motor screwdriver;
Fig. 3 is the cutaway view of the gearbox body of the utility model multispeed motor screwdriver;
The specific embodiment
Consult Fig. 1～Fig. 3, the utility model provides a kind of multispeed motor screwdriver, comprise housing 1 and the gearbox body 2 that is arranged on this housing 1 head, in housing 1, be provided with motor 101, the output of motor 101 extends in gearbox body 2, in gearbox body 2, be coaxially arranged with active rotating shaft 201 and output revolving shaft 202, active rotating shaft 201 connects the output of motor 101 and on active rotating shaft 201, is fixed with driving gear 203, the end of output revolving shaft 202 extends to outside gearbox body 2 and is fixed with driver bit in end, on output revolving shaft 202, be fixed with output gear 204, in gearbox body 2, be arranged with at least two intermediate propeller shafts 205 in parallel, preferably four, at the two ends of intermediate propeller shaft 205, be respectively arranged with the first driven gear 206 and the second driven gear 207, the first driven gear 206 engages with driving gear 203, the second driven gear 207 engages with output gear 204, the number of teeth difference of each the second driven gear, intermediate propeller shaft is provided with electromagnetic clutch 208, and this electromagnetic clutch is between the first driven gear 206 and the second driven gear 207, in order to improve transmission stability, driving gear 203, the first driven gear 206, the second driven gear 207 and output gear 204 are angular wheel, in the present embodiment, be positioned at the towards the opposite of the first driven gear 206 on same intermediate propeller shaft 205 and the second driven gear 207, for the ease of installing, be positioned at the first driven gear 206 on same intermediate propeller shaft 205 identical with the structure of the second driven gear 207, in order to reduce radial error, active rotating shaft 201, output revolving shaft 202 and intermediate propeller shaft 205 are all arranged in gearbox body rotationally by sliding bearing.
The utility model multispeed motor screwdriver, can select different rotating speeds and moment of torsion according to different operating modes, by controlling electromagnetic clutch, reach the object of gearshift, when need are exported high rotating speed, select the second driven gear number of teeth to be greater than a grade of the output gear number of teeth, when need are exported high moment of torsion, selection the second driven gear gear is less than a grade of the output gear number of teeth, can regulate at any time according to operating mode; The utility model multispeed motor screwdriver, simple in structure, adjusting rotary speed and moment of torsion, flexible at any time, 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 (6)
1. a multispeed motor screwdriver, it is characterized in that: comprise housing and the gearbox body that is arranged on described housing head, in described housing, be provided with motor, the output of described motor extends in described gearbox body, in described gearbox body, be coaxially arranged with active rotating shaft and output revolving shaft, described active rotating shaft connects the output of described motor and be fixed with driving gear on described active rotating shaft, the end of described output revolving shaft extends to outside described gearbox body and is fixed with driver bit in end, on described output revolving shaft, be fixed with output gear, in described gearbox body, be arranged with at least two intermediate propeller shafts in parallel, the two ends of described intermediate propeller shaft are respectively arranged with the first driven gear and the second driven gear, described the first driven gear engages with described driving gear, described the second driven gear engages with described output gear, the number of teeth difference of each described the second driven gear, described intermediate propeller shaft is provided with electromagnetic clutch, described electromagnetic clutch is between described the first driven gear and described the second driven gear.
2. multispeed motor screwdriver as claimed in claim 1, is characterized in that: described driving gear, the first driven gear, the second driven gear and output gear are angular wheel.
3. multispeed motor screwdriver as claimed in claim 2, is characterized in that: be positioned at the towards the opposite of the first driven gear on same described intermediate propeller shaft and the second driven gear.
4. multispeed motor screwdriver as claimed in claim 3, is characterized in that: be positioned at the first driven gear on same described intermediate propeller shaft identical with the structure of the second driven gear.
5. multispeed motor screwdriver as claimed in claim 1, is characterized in that: described intermediate propeller shaft is four and be arranged in parallel.
6. multispeed motor screwdriver as claimed in claim 1, is characterized in that: described active rotating shaft, output revolving shaft and intermediate propeller shaft are all arranged in described gearbox body rotationally by sliding bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320830203.4U CN203566593U (en) | 2013-12-11 | 2013-12-11 | Multi-speed electric screw driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320830203.4U CN203566593U (en) | 2013-12-11 | 2013-12-11 | Multi-speed electric screw driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203566593U true CN203566593U (en) | 2014-04-30 |
Family
ID=50534351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320830203.4U Expired - Fee Related CN203566593U (en) | 2013-12-11 | 2013-12-11 | Multi-speed electric screw driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203566593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311509A (en) * | 2019-06-21 | 2019-10-08 | 苏州科技大学 | A kind of single motor multiple-channel output mechanism |
-
2013
- 2013-12-11 CN CN201320830203.4U patent/CN203566593U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311509A (en) * | 2019-06-21 | 2019-10-08 | 苏州科技大学 | A kind of single motor multiple-channel output mechanism |
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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: 20140430 Termination date: 20141211 |
|
| EXPY | Termination of patent right or utility model |