CN104708605A - Electric tool with self-locking device - Google Patents
Electric tool with self-locking device Download PDFInfo
- Publication number
- CN104708605A CN104708605A CN201510039121.1A CN201510039121A CN104708605A CN 104708605 A CN104708605 A CN 104708605A CN 201510039121 A CN201510039121 A CN 201510039121A CN 104708605 A CN104708605 A CN 104708605A
- Authority
- CN
- China
- Prior art keywords
- self
- planetary frame
- locking body
- output planetary
- electric tool
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
Abstract
The invention discloses an electric tool with a self-locking device. The electric tool comprises a shell (1) and an output planet carrier (2) which is connected with a speed reducer and used for driving an output shaft (3) of the electric tool. The output planet carrier (2) is installed in the front end of the shell (1). The self-locking device comprises a self-locking piece (4), a locking structure arranged between the self-locking piece (4) and the output planet carrier (2), and a drive assembly used for driving the self-locking piece (4) to lock or unlock with the output planet carrier (2) through external force. The self-locking piece (4) is installed in the front end of the shell (1). The drive assembly is installed at the front end of the shell (1). The drive assembly is connected with the self-locking piece (4). The self-locking device of the electric tool with the self-locking device is simple in structure, installing is convenient, and using is also convenient.
Description
Technical field
The present invention relates to electric tool, relate to a kind of electric tool with self-locking device or rather.
Background technology
Electric tool, as the instrument tightening or loosen screw, generally to use in family or industrial circle.Convenient for making electric tool use, current electric tool is generally wireless rechargeable power tool.Rechargeable power tool, after the electricity of battery is exhausted, will lose the function tightening or loosen screw, could normal work after needing again to charge.When charging is inconvenient, workman can be needed to carry hand-operated tools as assisting a ruler in governing a country.For this reason, current electric tool is often designed to when motor is idle, can by electric tool when hand-operated tools uses.But the self-locking device of current electric tool all more complicated, installation comparatively bothers and uses and comparatively bothers.
Summary of the invention
The technical problem to be solved in the present invention is, provides a kind of electric tool with self-locking device, and this self-locking device structure is simple, easy for installation and use also more convenient.
Technical solution of the present invention is, provides a kind of electric tool with the band self-locking device of following structure, comprises housing and is connected with reductor and the output planetary frame of output shaft for driving electric instrument; Described output planetary frame is arranged in the front end of described housing; Described self-locking device comprises self-locking body, is located at the latch-up structure between described self-locking body and output planetary frame and drives self-locking body that itself and output planetary frame are locked and the driven unit unlocked by External Force Acting; Described self-locking body is arranged in the front end of described housing; Described driven unit is arranged on the front end of described housing; Described driven unit is connected with described self-locking body.
After adopting above structure, the electric tool of band self-locking device of the present invention, compared with prior art, has the following advantages:
Because the electric tool of band self-locking device of the present invention comprises self-locking body, latch-up structure is provided with between self-locking body and output planetary frame, described driven unit is for driving self-locking body, self-locking body and output planetary frame are locked and unlocks, thus reach self-locking and the object removing self-locking, structure is simple, easy for installation and use also more convenient.
As a modification of the present invention, described latch-up structure comprise be located at self-locking body on the side of described output planetary frame for being linked in lock tube outside described output planetary frame, the outer gear teeth being located at the gear teeth on described lock tube madial wall and being located on described output planetary frame lateral wall; The described interior gear teeth and the described outer gear teeth match.After adopting this kind of structure, the mode be meshed by the interior gear teeth and the outer gear teeth between self-locking body with output planetary frame is locked, simple and reliable for structure, and it is convenient to implement.
Improve as another kind of the present invention, in the front end of described housing and the outside being positioned at described output planetary frame is provided with space, described self-locking body can be arranged in described space along housing axially and movably; The width in described space is greater than the width of the lock tube of described self-locking body.After adopting this kind of structure, the width in described space is greater than the width of described self-locking body, like this, when self-locking body is movable along housing axis in space, self-locking body can depart from output planetary frame, make the interior gear teeth of self-locking body can throw off the outer gear teeth of output planetary frame, thus reaching the object of unblock, structure is simple, easy to use.
Also have a kind of improvement as of the present invention, described driven unit comprises head capsule; Outside the front end that described head capsule is linked in described housing and this head capsule be connected with described self-locking body; The positioner for positioning head capsule when the outer gear teeth meshing of the gear teeth in lock tube and output planetary frame is provided with between described head capsule and the front end of housing.After adopting this kind of structure, head capsule moves axially stretchy self-locking body along housing and moves axially along housing, thus reaches the function driving self-locking body and output planetary frame to lock and unlock, and structure is very simple, uses also very convenient.In lock tube after the outer gear teeth meshing of the gear teeth and output planetary frame, positioner can position head capsule, and user can be made stably to use electric tool.
Also have a kind of improvement as of the present invention, described positioner comprise alignment pin, spring and be located at described housing front end lateral wall on the cotter way for accommodating alignment pin; Described alignment pin is located in described cotter way, and described spring is located between the bottom of described alignment pin and cotter way bottom land; The top of described alignment pin is hemispherical; On described head capsule madial wall, the position corresponding with alignment pin top is provided with the hemispherical groove for accommodating described alignment pin top.After adopting this kind of structure, in lock tube after the outer gear teeth meshing of the gear teeth and output planetary frame, the top of described alignment pin is contained in the hemispherical groove on output planetary frame, when needing to unlock, be pulled outwardly by head capsule, alignment pin can be pressed to cotter way bottom land direction and be moved, and then disengaging hemispherical groove, reach the object of unblock, structure is simple, easy to use.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the lock-out state of the electric tool of band self-locking device of the present invention.
Fig. 2 is the sectional structure schematic diagram of another angle of the lock-out state of the electric tool of band self-locking device of the present invention.
Fig. 3 is the sectional structure schematic diagram of the released state of the electric tool of band self-locking device of the present invention.
Fig. 4 is the sectional structure schematic diagram of another angle of the released state of the electric tool of band self-locking device of the present invention.Shown in figure: 1, housing, 1.1, space, 1.2, cotter way, 2, output planetary frame, 2.1, the outer gear teeth, 3, output shaft, 4, self-locking body, 4.1, lock tube, 4.2, the interior gear teeth, 5, head capsule, 5.1, hemispherical groove, 6, alignment pin, 7, spring.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Refer to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the electric tool of band self-locking device of the present invention comprises housing 1 and output planetary frame 2.Described output planetary frame 2 is arranged in the front end of described housing 1, and this output planetary frame 2 is connected with the reductor in electric tool, is connected with reductor.Described output planetary frame 2 is also connected with the output shaft 3 of electric tool, and the output shaft 3 described in this output planetary frame 2 can drive rotates.
Described self-locking device comprises self-locking body 4, is located at the latch-up structure between described self-locking body 4 and output planetary frame 2 and drives self-locking body 4 that itself and output planetary frame 2 are locked and the driven unit unlocked by External Force Acting.Described self-locking body 4 is arranged in the front end of described housing 1.Described driven unit is arranged on the front end of described housing 1.Described driven unit is connected with described self-locking body 4.
Described latch-up structure comprise be located at self-locking body 4 on the side of described output planetary frame 2 for being linked in lock tube 4.1 outside described output planetary frame 2, the outer gear teeth 2.1 being located at the gear teeth 4.2 on described lock tube 4.1 madial wall and being located on described output planetary frame 2 lateral wall.The described interior gear teeth 4.2 match with the described outer gear teeth 2.1.In the front end of described housing 1 and the outside being positioned at described output planetary frame 2 is provided with space 1.1, described self-locking body 4 can be arranged in described space 1.1 axially and movably along housing 1.The width in described space 1.1 is greater than the width of the lock tube 4.1 of described self-locking body 4.
Described driven unit comprises head capsule 5.Outside the front end that described head capsule 5 is linked in described housing 1 and this head capsule 5 be connected with described self-locking body 4.The positioner for positioning head capsule 5 when the gear teeth 4.2 in lock tube 4.1 engage with the outer gear teeth 2.1 of output planetary frame 2 is provided with between described head capsule 5 and the front end of housing 1.Described positioner comprise alignment pin 6, spring 7 and be located at described housing 1 front end lateral wall on the cotter way 1.2 for accommodating alignment pin 6.Described alignment pin 6 is located in described cotter way 1.2, and described spring 7 is located between the bottom of described alignment pin 6 and cotter way 1.2 bottom land.The top of described alignment pin 6 is hemispherical.On described head capsule 5 madial wall, the position corresponding with alignment pin 6 top is provided with the hemispherical groove 5.1 for accommodating described alignment pin 6 top.
During work, when needing locking output shaft 3, head capsule 5 is pushed away toward self-locking body 4 direction, head capsule 5 can drive self-locking body 4 to move to output planetary frame 2 direction, when head capsule 5 shifts certain position onto, the top of alignment pin 6 can spring in hemispherical groove 5.1, meanwhile, the interior gear teeth 4.2 on self-locking body 4 lock tube 4.1 can engage with the outer gear teeth 2.1 on output planetary frame 2, reach the object of self-locking.When needing to remove self-locking, head capsule 5 is pulled outward, head capsule 5 can drive self-locking body 4 to move to head capsule 5 direction, when head capsule 5 moves certain position to, alignment pin 6 can depart from hemispherical groove 5.1 by pressurized, meanwhile, the interior gear teeth 4.2 on self-locking body 4 lock tube 4.1 can depart from the outer gear teeth 2.1 on output planetary frame 2, reach the object of unblock.
Claims (5)
1. the electric tool with self-locking device, comprises housing (1) and is connected with reductor and the output planetary frame (2) of output shaft (3) for driving electric instrument; Described output planetary frame (2) is arranged in the front end of described housing (1); It is characterized in that: described self-locking device comprises self-locking body (4), is located at the latch-up structure between described self-locking body (4) and output planetary frame (2) and drives self-locking body (4) that itself and output planetary frame (2) are locked and the driven unit unlocked by External Force Acting; Described self-locking body (4) is arranged in the front end of described housing (1); Described driven unit is arranged on the front end of described housing (1); Described driven unit is connected with described self-locking body (4).
2. the electric tool of band self-locking device according to claim 1, is characterized in that: described latch-up structure comprise be located at self-locking body (4) on the side of described output planetary frame (2) for the lock tube (4.1) being linked in described output planetary frame outer (2), the outer gear teeth (2.1) being located at the interior gear teeth (4.2) on described lock tube (4.1) madial wall and being located on described output planetary frame (2) lateral wall; The described interior gear teeth (4.2) and the described outer gear teeth (2.1) match.
3. the electric tool of band self-locking device according to claim 2, it is characterized in that: in the front end of described housing (1) and the outside being positioned at described output planetary frame (2) is provided with space (1.1), described self-locking body (4) can be arranged in described space (1.1) along housing (1) axially and movably; The width in described space (1.1) is greater than the width of the lock tube (4.1) of described self-locking body (4).
4. the electric tool of band self-locking device according to claim 3, is characterized in that: described driven unit comprises head capsule (5); Outside the front end that described head capsule (5) is linked in described housing (1) and this head capsule (5) be connected with described self-locking body (4); The positioner for positioning head capsule (5) when the interior gear teeth (4.2) of lock tube (4.1) engage with the outer gear teeth (2.1) of output planetary frame (2) is provided with between described head capsule (5) and the front end of housing (1).
5. the electric tool of band self-locking device according to claim 4, is characterized in that: described positioner comprise alignment pin (6), spring (7) and be located at described housing (1) front end lateral wall on the cotter way for accommodating alignment pin (6) (1.2); Described alignment pin (6) is located in described cotter way (1.2), between the bottom that described alignment pin (6) is located at by described spring (7) and cotter way (1.2) bottom land; The top of described alignment pin (6) is hemispherical; On described head capsule (5) madial wall, the position corresponding with alignment pin (6) top is provided with the hemispherical groove (5.1) for accommodating described alignment pin (6) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039121.1A CN104708605B (en) | 2015-01-27 | 2015-01-27 | Electric tool with self-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510039121.1A CN104708605B (en) | 2015-01-27 | 2015-01-27 | Electric tool with self-locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104708605A true CN104708605A (en) | 2015-06-17 |
| CN104708605B CN104708605B (en) | 2017-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510039121.1A Active CN104708605B (en) | 2015-01-27 | 2015-01-27 | Electric tool with self-locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104708605B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186138Y (en) * | 1993-09-27 | 1994-12-28 | 家电宝实业有限公司 | Spindle locking device of electric screwdriver |
| CN2302078Y (en) * | 1997-10-24 | 1998-12-30 | 钟李杏枝 | Mainshaft locking device for electric drilling machine |
| CN1280050A (en) * | 1999-07-07 | 2001-01-17 | 布莱克和戴克公司 | Electric tool with hand operate shaft lock |
| CN2683289Y (en) * | 2004-03-05 | 2005-03-09 | 毅金工业股份有限公司 | Output torque locking device for electric drill catching wheel of electric tool |
| JP3675527B2 (en) * | 1995-08-03 | 2005-07-27 | 有限会社村技術綜合研究所 | Output shaft locking device |
| CN204397852U (en) * | 2015-01-27 | 2015-06-17 | 宁波汉浦工具有限公司 | With the electric tool of self-locking device |
-
2015
- 2015-01-27 CN CN201510039121.1A patent/CN104708605B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2186138Y (en) * | 1993-09-27 | 1994-12-28 | 家电宝实业有限公司 | Spindle locking device of electric screwdriver |
| JP3675527B2 (en) * | 1995-08-03 | 2005-07-27 | 有限会社村技術綜合研究所 | Output shaft locking device |
| CN2302078Y (en) * | 1997-10-24 | 1998-12-30 | 钟李杏枝 | Mainshaft locking device for electric drilling machine |
| CN1280050A (en) * | 1999-07-07 | 2001-01-17 | 布莱克和戴克公司 | Electric tool with hand operate shaft lock |
| CN2683289Y (en) * | 2004-03-05 | 2005-03-09 | 毅金工业股份有限公司 | Output torque locking device for electric drill catching wheel of electric tool |
| CN204397852U (en) * | 2015-01-27 | 2015-06-17 | 宁波汉浦工具有限公司 | With the electric tool of self-locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104708605B (en) | 2017-01-18 |
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| C14 | Grant of patent or utility model | ||
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