CN2587558Y - Safety on/off electric drill - Google Patents
Safety on/off electric drill Download PDFInfo
- Publication number
- CN2587558Y CN2587558Y CN 02245525 CN02245525U CN2587558Y CN 2587558 Y CN2587558 Y CN 2587558Y CN 02245525 CN02245525 CN 02245525 CN 02245525 U CN02245525 U CN 02245525U CN 2587558 Y CN2587558 Y CN 2587558Y
- Authority
- CN
- China
- Prior art keywords
- support
- matched
- casing
- cooperates
- safety
- 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
Abstract
The utility model discloses a safety on/off electric drill, which comprises a casing (1), a motor (2) and a drill chuck (10), wherein, the casing (1) is internally provided with a support frame (5) which is provided with a planet retarding mechanism (3) matched with a main shaft of the motor. The planet retarding mechanism (3) is provided with an on/off external tooth ring (4) matched with the planet retarding mechanism. The end of the support frame (5) is fixed with a front cover (9), one end of an output shaft (6) is matched with the planet retarding mechanism (3), and the other end of the output shaft (6) is connected with the drill chuck (10). An adjusting external ring (8) is arranged between the support frame (5) and the front cover (9), and is matched with the casing (1). The outside of the support frame (5) is provided with an adjusting internal ring (7) matched with the adjusting external ring (8); a spring (12) is arranged between the support frame (5) and the adjusting internal ring (7); the spring (12) presses on a steel ball (11) matched with the on/off external tooth ring (4). After the structure used, the utility model has the advantages of reasonable structure, automatic on/off for overload, convenient adjustment of torque force, safe use, etc.
Description
One, technical field
The utility model relates to a kind of electric drill, and particularly a kind of excess load gets final product the electric drill of safe clutch.
Two, background technology
At present the electric drill that uses is because torsion is big, easy to use, in daily life except being used for the boring, also through being commonly used to revolve screw.But because electric drill do not have safe arrangement of clutch, torsion is difficult to control, is easy to screw is twisted bad, repaiies for from now on folding and brings inconvenience.For this reason, the effort of this respect is all being done always by manufacturer and research unit, but desirable product release is not arranged so far as yet to market.
Three, summary of the invention
For overcoming the existing uncontrollable disadvantage of electric drill torsion, problem to be solved in the utility model provides a kind of torsion and not only can regulate, but also can make the Safety on/off electric drill of output automatic clutch.The technical scheme that its technical problem that solves the utility model adopts comprises casing, motor, drill chuck, be provided with support in the described casing, support is provided with the planetary gear speed reducing mechanism that cooperates with electric machine main shaft, this mechanism is provided with the clutch external toothing that is complementary with it, the end of support is fixed with protecgulum, output shaft one end cooperates with planetary gear speed reducing mechanism, the other end is connected with drill chuck, between support and protecgulum, be provided with and regulate the outer ring, regulating outer ring and casing is complementary, be provided with in the support outside and regulate the adjusting inner ring that the outer ring cooperates, be provided with spring between support and adjusting inner ring, spring is pressed on the steel ball that cooperates with the clutch external toothing.
Described steel ball cooperates with axial teeth groove on being arranged on the clutch external toothing.
Described output shaft is provided with axle sleeve.
After adopting said structure, when torque force overload, skid between the axial teeth groove of clutch external toothing and the steel ball, by cooperating between planetary gear speed reducing mechanism and clutch external toothing, the output shaft, the output shaft torsionless is exported, and reaches the purpose of output shaft automatic clutch; By rotating the adjusting outer ring adjusting inner ring is moved axially, the process spring is regulated the pressure of the axial teeth groove of steel ball and clutch external toothing, realizes the adjusting of torque magnitude; Have rational in infrastructure, torsion is easy to adjust, advantage such as safe and reliable.
Four, description of drawings
Fig. 1 is a structural representation of the present utility model.
Five, the specific embodiment
Shown in Figure 1, specific embodiments for the utility model Safety on/off electric drill, it comprises casing 1, motor 2, drill chuck 10, be provided with support 5 in the described casing 1, support 5 is provided with the planetary gear speed reducing mechanism 3 that cooperates with electric machine main shaft, this mechanism is provided with the clutch external toothing 4 that is complementary with it, the end of support 5 is fixed with protecgulum 9, output shaft 6 one ends cooperate with planetary gear speed reducing mechanism 3, the other end is connected with drill chuck 10, between support 5 and protecgulum 9, be provided with and regulate outer ring 8, regulating outer ring 8 is complementary with casing 1, be provided with in support 5 outsides and regulate the adjusting inner ring 7 that outer ring 8 cooperates, at support 5 and regulate between the inner ring 7 and be provided with spring 12, spring 12 is pressed on the steel ball 11 that cooperates with clutch external toothing 4; Described steel ball 11 cooperates with axial teeth groove on being arranged on clutch external toothing 4; Described output shaft 6 is provided with axle sleeve 12.
During normal the use, electric drill torsion is less than the pressure of clutch external toothing 4 and steel ball 11, and clutch external toothing 4 does not rotate, and the rotating speed of motor 2 main shafts directly drives output shaft 6 operate as normal after planetary gear speed reducing mechanism 3 slows down.When torque force overload, the torsion of electric drill is greater than the pressure of clutch external toothing 4 with steel ball 11, skid between the axial teeth groove of steel ball 11 and clutch external toothing 4, the rotating speed of motor 2 main shafts drives clutch external toothing 4 and rotates after planetary gear speed reducing mechanism 3 slows down, the output shaft of clutch simultaneously 6, make output shaft 6 no moment of torsion outputs, reach the purpose of automatic clutch.When needs are regulated torsion, rotate and regulate outer ring 8, the adjusting inner ring is moved axially, the pressure between spring 12 and the steel ball 11 changes, pressure between the axial teeth groove of steel ball 11 and clutch external toothing 4 also changes thereupon, thereby realizes the adjusting of overload power size.
Claims (3)
1, a kind of Safety on/off electric drill, comprise casing (1), motor (2), drill chuck (10), it is characterized in that: be provided with support (5) in the described casing (1), support (5) is provided with the planetary gear speed reducing mechanism (3) that cooperates with electric machine main shaft, this mechanism is provided with the clutch external toothing (4) that is complementary with it, the end of support (5) is fixed with protecgulum (9), output shaft (6) one ends cooperate with planetary gear speed reducing mechanism (3), the other end is connected with drill chuck (10), between support (5) and protecgulum (9), be provided with and regulate outer ring (8), regulating outer ring (8) is complementary with casing (1), be provided with in support (5) outside and regulate the adjusting inner ring (7) that outer ring (8) cooperates, be provided with spring (12) between support (5) and adjusting inner ring (7), spring (12) is pressed on the steel ball (11) that cooperates with clutch external toothing (4).
2, Safety on/off electric drill according to claim 1 is characterized in that: described steel ball (11) cooperates with axial teeth groove on being arranged on clutch external toothing (4).
3, Safety on/off electric drill according to claim 1 and 2 is characterized in that: described output shaft (6) is provided with axle sleeve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02245525 CN2587558Y (en) | 2002-12-13 | 2002-12-13 | Safety on/off electric drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02245525 CN2587558Y (en) | 2002-12-13 | 2002-12-13 | Safety on/off electric drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2587558Y true CN2587558Y (en) | 2003-11-26 |
Family
ID=33717090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02245525 Expired - Fee Related CN2587558Y (en) | 2002-12-13 | 2002-12-13 | Safety on/off electric drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2587558Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101189094B (en) * | 2005-04-19 | 2011-05-04 | 布莱克和戴克公司 | Electronic clutch for power drive and the power drive |
| CN108453289A (en) * | 2018-02-08 | 2018-08-28 | 浙江意达电器有限公司 | Facilitate the lithium electricity electric two-speed drill and its torsion adjusting method for adjusting outputting torsion |
-
2002
- 2002-12-13 CN CN 02245525 patent/CN2587558Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101189094B (en) * | 2005-04-19 | 2011-05-04 | 布莱克和戴克公司 | Electronic clutch for power drive and the power drive |
| CN108453289A (en) * | 2018-02-08 | 2018-08-28 | 浙江意达电器有限公司 | Facilitate the lithium electricity electric two-speed drill and its torsion adjusting method for adjusting outputting torsion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |