CN203449227U - Variable-torque electric screw driver - Google Patents
Variable-torque electric screw driver Download PDFInfo
- Publication number
- CN203449227U CN203449227U CN201320561537.6U CN201320561537U CN203449227U CN 203449227 U CN203449227 U CN 203449227U CN 201320561537 U CN201320561537 U CN 201320561537U CN 203449227 U CN203449227 U CN 203449227U
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- CN
- China
- Prior art keywords
- variable torque
- variable
- screw driver
- electric screw
- spacing pressing
- 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)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The utility model provides a variable-torque electric screw driver. The variable-torque electric screw driver comprises a shell and a tool bit and further comprises a motor, a speed reducer, a thrust ball bearing, a variable torque clutch and a rotary shaft, wherein the output shaft of the motor is connected with the input shaft of the speed reducer; the output shaft of the speed reducer is connected with the input end of the variable-torque clutch; the output end of the variable-torque clutch is connected to the rotary shaft; and an adjusting bracket for adjusting pre-tightening force of a spring and lead screw used for controlling the adjusting bracket are arranged at the rear end of the variable-torque clutch. The variable-torque electric screw driver disclosed by the utility model is compact in structure, simple to operate, capable of adjusting the torque and wide in range of application.
Description
Technical field
The utility model relates to a kind of electric screw driver, particularly a kind of variable torque electric screw driver.
Background technology
In order to increase work efficiency, the application of electric screw driver is more and more extensive.Traditional electric screw driver can cause screw-driving tension, can not carry out torque adjustment according to the torque demand of 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 variable torque electric screw driver of capable of adjusting torque.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of variable torque electric screw driver, comprise housing and cutter head, also comprise motor 1, decelerator 2, thrust ball bearing 3, variable torque clutch 4 and rotating shaft 5, the output shaft of described motor 2 connects the power shaft of described decelerator 2, the output shaft of described decelerator 2 connects the input of described variable torque clutch 4, the output of described variable torque clutch 4 is connected to described rotating shaft 5, described variable torque clutch 4 comprises driving disc spacing pressing 41 and driven disc 42, in described driving disc spacing pressing 42, form cavity, described driven disc 42 is positioned at described cavity, on the front end face of described driven disc 42, be circumferentially inlaid with steel ball 43, the front end inner surface of described driving disc spacing pressing 42 is provided with the circular groove corresponding with described steel ball 43, on the rear end face of described driven disc 42, be circumferentially evenly equipped with blind hole, on the rear end inner surface of described driving disc spacing pressing, offer the shoulder hole corresponding with described blind hole, between described blind hole and described shoulder hole, be provided with spring, in described shoulder hole, be arranged with slidably adjusting rod 6, the bottom surface of described adjusting rod 6 props up the end face of described spring, described adjusting rod 6 extands rearward to outside described driving disc spacing pressing 41 and is connected to the first rotating disk 7, the rear end end face of described the first rotating disk 7 is provided with described thrust ball bearing 3, the other end end face of described thrust ball bearing 3 is provided with the second rotating disk 8, described the second rotating disk 8 is provided with and regulates support 9, the end of described adjusting support 9 is provided with screw mandrel 10 and described screw mandrel 10 extends to outside described housing, in described housing, be provided with the feed screw nut 11 who coordinates with described screw mandrel, the end of described screw mandrel 10 is provided with regulating handle 12.
Further, described adjusting support 9 is comprised of adjustment disk 91 and the connecting rod 92 that is circumferentially distributed in described adjustment disk 91 cards, and described motor 1 and decelerator 2 are positioned at described adjusting support 9.
Further, between the rear end face of described adjustment disk 91 and described housing, be provided with spring.
Further, between the circular groove on described driving disc spacing pressing 41, by circular groove, connect.
Further, described screw mandrel 10 and described motor coaxle setting.
(3) beneficial effect
The utility model variable torque electric screw driver, rotatable regulating handle and control the decrement of the spring in variable torque clutch, thereby the elastic force of regulating spring, make to produce between driving disc spacing pressing and driven disc different normal pressures, regulate driving disc spacing pressing and driven disc to cause the required power of skidding, thereby regulated moment of torsion.The utility model variable torque electric screw driver, compact conformation, simple to operate, can regulate moment of torsion, the scope of application is wide.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model variable torque electric screw driver;
Fig. 2 is A portion enlarged drawing in Fig. 1;
Fig. 3 is the cutaway view of the driving disc spacing pressing of the utility model variable torque electric screw driver.
The specific embodiment
Consult Fig. 1～Fig. 3, the utility model provides a kind of variable torque electric screw driver, comprise housing and cutter head, also comprise motor 1, decelerator 2, thrust ball bearing 3, variable torque clutch 4 and rotating shaft 5, the power shaft of the output shaft connection reducer 2 of motor 2, the output shaft of decelerator 2 connects the input of variable torque clutch 4, the output of variable torque clutch 4 is connected to rotating shaft 5, cutter head is arranged on the end of rotating shaft, this variable torque clutch 4 comprises driving disc spacing pressing 41 and driven disc 42, in driving disc spacing pressing 42, form cavity, driven disc 42 is positioned at this cavity, on the front end face of driven disc 42, be circumferentially inlaid with in uniform way steel ball 43, the front end inner surface of driving disc spacing pressing 42 is provided with the circular groove corresponding with this steel ball 43, on the rear end face of driven disc 42, be circumferentially evenly equipped with blind hole, on the rear end inner surface of driving disc spacing pressing, offer the shoulder hole corresponding with this blind hole, between blind hole and shoulder hole, be provided with spring, in shoulder hole, be arranged with slidably adjusting rod 6, the bottom surface of adjusting rod 6 props up the end face of spring, adjusting rod 6 extands rearward to outside driving disc spacing pressing 41 and is connected to the first rotating disk 7, the rear end end face of this first rotating disk 7 is provided with thrust ball bearing 3, the other end end face of thrust ball bearing 3 is provided with the second rotating disk 8, the second rotating disk 8 is provided with and regulates support 9, the end of adjusting support 9 is provided with screw mandrel 10 and screw mandrel 10 extends to outside housing, in housing, be provided with the feed screw nut 11 who coordinates with screw mandrel, the end of screw mandrel 10 is provided with regulating handle 12, in the present embodiment, regulate support 9 to be comprised of adjustment disk 91 and the connecting rod 92 that is circumferentially distributed in these adjustment disk 91 cards, motor 1 and decelerator 2 are positioned at described adjusting support 9, in order to reduce the axially loaded of leading screw, between the rear end face of adjustment disk 91 and housing, be provided with spring, in the present embodiment, between the circular groove on driving disc spacing pressing 41, by circular groove, connect, and screw mandrel 10 and motor coaxle setting.
The utility model variable torque electric screw driver, rotatable regulating handle and control the decrement of the spring in variable torque clutch, thereby the elastic force of regulating spring, make to produce between driving disc spacing pressing and driven disc different normal pressures, regulate driving disc spacing pressing and driven disc to cause the required power of skidding, thereby regulated moment of torsion.The utility model variable torque electric screw driver, compact conformation, simple to operate, can regulate moment of torsion, the scope of application is wide.
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 (5)
1. a variable torque electric screw driver, comprise housing and cutter head, it is characterized in that: also comprise motor (1), decelerator (2), thrust ball bearing (3), variable torque clutch (4) and rotating shaft (5), the output shaft of described motor (2) connects the power shaft of described decelerator (2), the output shaft of described decelerator (2) connects the input of described variable torque clutch (4), the output of described variable torque clutch (4) is connected to described rotating shaft (5), described variable torque clutch (4) comprises driving disc spacing pressing (41) and driven disc (42), described driving disc spacing pressing forms cavity in (42), described driven disc (42) is positioned at described cavity, on the front end face of described driven disc (42), be circumferentially inlaid with steel ball (43), the front end inner surface of described driving disc spacing pressing (42) is provided with the circular groove corresponding with described steel ball (43), on the rear end face of described driven disc (42), be circumferentially evenly equipped with blind hole, on the rear end inner surface of described driving disc spacing pressing, offer the shoulder hole corresponding with described blind hole, between described blind hole and described shoulder hole, be provided with spring, in described shoulder hole, be arranged with slidably adjusting rod (6), the bottom surface of described adjusting rod (6) props up the end face of described spring, (6 extand rearward to outside described driving disc spacing pressing (41) and are connected to the first rotating disk (7) described adjusting rod, the rear end end face of described the first rotating disk (7) is provided with described thrust ball bearing (3), the other end end face of described thrust ball bearing (3) is provided with the second rotating disk (8), described the second rotating disk (8) is provided with and regulates support (9), the end of described adjusting support (9) is provided with screw mandrel (10) and described screw mandrel (10) extends to outside described housing, in described housing, be provided with the feed screw nut (11) who coordinates with described screw mandrel, the end of described screw mandrel (10) is provided with regulating handle (12).
2. variable torque electric screw driver as claimed in claim 1, it is characterized in that: described adjusting support (9) is comprised of adjustment disk (91) and the connecting rod (92) that is circumferentially distributed in described adjustment disk (91) card, and described motor (1) and decelerator (2) are positioned at described adjusting support (9).
3. variable torque electric screw driver as claimed in claim 2, is characterized in that: between the rear end face of described adjustment disk (91) and described housing, be provided with spring.
4. variable torque electric screw driver as claimed in claim 1, is characterized in that: between the circular groove on described driving disc spacing pressing (41), by circular groove, connect.
5. variable torque electric screw driver as claimed in claim 1, is characterized in that: described screw mandrel (10) and described motor coaxle setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320561537.6U CN203449227U (en) | 2013-09-10 | 2013-09-10 | Variable-torque electric screw driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320561537.6U CN203449227U (en) | 2013-09-10 | 2013-09-10 | Variable-torque electric screw driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203449227U true CN203449227U (en) | 2014-02-26 |
Family
ID=50129129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320561537.6U Expired - Fee Related CN203449227U (en) | 2013-09-10 | 2013-09-10 | Variable-torque electric screw driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203449227U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643260A (en) * | 2016-03-11 | 2016-06-08 | 赵静 | Mechanized intelligent bolt screwing device |
| CN105710817A (en) * | 2016-04-27 | 2016-06-29 | 厦门南旗佰特精密工具制造有限公司 | Precise electric screwdriver |
| WO2017190523A1 (en) * | 2016-05-04 | 2017-11-09 | 吴亚定 | Pen-shaped rechargeable electric screwdriver |
| CN108262710A (en) * | 2016-12-31 | 2018-07-10 | 绩溪县徽洋车桥有限责任公司 | A kind of stepless torque changing electric wrench |
| CN112536755A (en) * | 2020-12-04 | 2021-03-23 | 国网山东省电力公司烟台供电公司 | Power transmission and transformation high-voltage electrified bolt fastener capable of remotely controlling torque force |
| WO2023000659A1 (en) * | 2021-07-20 | 2023-01-26 | 苏州超集信息科技有限公司 | Software-defined intelligent fool-proof electric screwdriver |
-
2013
- 2013-09-10 CN CN201320561537.6U patent/CN203449227U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643260A (en) * | 2016-03-11 | 2016-06-08 | 赵静 | Mechanized intelligent bolt screwing device |
| CN105710817A (en) * | 2016-04-27 | 2016-06-29 | 厦门南旗佰特精密工具制造有限公司 | Precise electric screwdriver |
| WO2017190523A1 (en) * | 2016-05-04 | 2017-11-09 | 吴亚定 | Pen-shaped rechargeable electric screwdriver |
| CN108262710A (en) * | 2016-12-31 | 2018-07-10 | 绩溪县徽洋车桥有限责任公司 | A kind of stepless torque changing electric wrench |
| CN112536755A (en) * | 2020-12-04 | 2021-03-23 | 国网山东省电力公司烟台供电公司 | Power transmission and transformation high-voltage electrified bolt fastener capable of remotely controlling torque force |
| WO2023000659A1 (en) * | 2021-07-20 | 2023-01-26 | 苏州超集信息科技有限公司 | Software-defined intelligent fool-proof electric screwdriver |
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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: 20140226 Termination date: 20140910 |
|
| EXPY | Termination of patent right or utility model |