CN104669215A - Gear regulating device for impact drill gearbox - Google Patents
Gear regulating device for impact drill gearbox Download PDFInfo
- Publication number
- CN104669215A CN104669215A CN201510077624.8A CN201510077624A CN104669215A CN 104669215 A CN104669215 A CN 104669215A CN 201510077624 A CN201510077624 A CN 201510077624A CN 104669215 A CN104669215 A CN 104669215A
- Authority
- CN
- China
- Prior art keywords
- gear
- trip stop
- pad
- torsion
- fore shell
- 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.)
- Pending
Links
- 230000001105 regulatory effect Effects 0.000 title abstract 10
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims description 35
- 238000009527 percussion Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 10
- 230000003116 impacting effect Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000009191 jumping Effects 0.000 abstract 11
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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
- B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor
-
- 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
- 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
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
Abstract
The invention relates to the technical field of an impact drill, in particular to a gear regulating device for an impact drill gearbox. The gear regulating device comprises a gearbox front case, a torsion cover, a speed reducing mechanism and a gear jumping mechanism, wherein the gear jumping mechanism comprises an annular regulating screw, a plurality of gear jumping posts and a gear jumping gasket, a compression spring is arranged on each gear jumping post in a sleeving way, the two ends of the compression spring are respectively connected onto the bottom of a regulating screw and the gear jumping posts, the torsion cover is in screw thread transmission connection with the regulating screw, the lower ends of the gear jumping posts are connected with the speed reducing mechanism, the gear jumping gasket is glidingly connected onto the gearbox front case along the vertical direction, a locking structure capable of locking the gear jumping gasket is arranged between the torsion cover and the gearbox front case, when the function needs to be regulated to the electric drill function, the torsion cover only needs to rotate in the anticlockwise direction, and the gear jumping gasket can be locked and fixed through the gasket locking structure, so that the jumping gasket cannot vertically jump to realize the electric drill function. The gear regulating device has the advantages that the gear can be fast regulated to the electric drill gear or the impact drill, the regulating stroke is small, the operation is simple and convenient, and the efficiency is high.
Description
Technical field
The present invention relates to percussion drill technical field, refer in particular to a kind of gear adjusting device of percussion drill gear-box.
Background technology
Current percussion drill has several mode of operation usually, and this several mode of operation is electric drill, electric screwdriver, percussion drill respectively.When using screw shelves, must by the adjustment of control gear at screw shelves; Now, percussion drill can determine when trip stop according to screw shelves torsion setting, and during trip stop, percussion drill rotation motor continues to rotate, but screwdriver keeps inactive state, and percussion drill cannot export acrotorque.When using electric drill shelves, rotation motor and front end drill bit keep same action always, export acrotorque, maintain not trip stop.When using impact shelves, except possessing original electric drill shelves function, provide percussion by starting beater mechanism simultaneously, efficiently can implement bore operation to cement wall or other hard object.In order to carry out operating according to different needs and adjust, usually can design impact switching device between rotation motor and front end accessory, to realize the needs mechanically operating adjustment, and provide user to set the control interface of percussion drill.
Existing percussion drill gear-box shift structure is all that the direction increased along torsion sets gradually screw shelves, electric drill shelves, impacts shelves, and screw shelves comprise by minimum torsion shelves to the multiple torsion shelves of acrotorque shelves, electric drill gear is in next gear of the acrotorque shelves of screw shelves, in regulation stall process, when being adjusted to electric drill or impact function, need to regulate torsion lid just can be switched to electric drill shelves or impact shelves after the minimum torsion shelves of screw shelves are transferred to acrotorque gear, adjustment stroke is very large, governing speed is slow, troublesome poeration, efficiency is low.
Summary of the invention
Object of the present invention be exactly for prior art exist deficiency and provide a kind of can quick adjustment to electric drill shelves or impact shelves, percussion drill gear-box simple to operation gear adjusting device.
To achieve these goals, the technical solution used in the present invention is: the gear adjusting device of percussion drill gear-box, it includes gear-box fore shell, turning set is located at the torsion lid at gear-box fore shell top, be arranged on the reducing gear bottom gear-box fore shell, trip-stop mechanism, trip-stop mechanism includes the annular adjustment screw be vertically slidably located on gear-box fore shell, many are vertically slidably connected at the trip stop post on gear-box fore shell, be positioned at the trip stop pad above adjustment screw and trip stop post, every root trip stop post is arranged with Compress Spring respectively, the two ends of Compress Spring are connected to bottom adjustment screw and on trip stop post, the outer surface of adjustment screw is provided with external screw thread, torsion lid inner surface is provided with internal thread, the internal thread of torsion lid is connected with the external screw thread screw-driven of adjustment screw, the lower end of trip stop post is connected with reducing gear, trip stop pad is vertically slidably connected on gear-box fore shell, the pad locking structure that trip stop pad can be locked is provided with between torsion lid and gear-box fore shell, when torsion lid is rotated clockwise by minimum torsion gear, torsion cover strip dynamic adjustment screw slide downward makes Compress Spring compress, when torsion lid is counterclockwise rotated by minimum torsion gear, trip stop pad is locked on gear-box fore shell by pad locking structure by torsion lid.
Described gear-box fore shell top circumferentially outer surface offers the limit sliding chutes vertically extended, trip stop pad medial surface is inwardly convexly equipped with the stopper protrusion with limit sliding chutes corresponding matching, stopper protrusion is vertically slidably arranged in corresponding limit sliding chutes, and limit sliding chutes is positioned at anticlockwise side and circumferentially offers the locking draw-in groove with stopper protrusion corresponding matching; The lateral surface convex of trip stop pad is provided with stirs protuberance, and torsion lid medial surface is convexly equipped with the trip stop corresponding with stirring protuberance and drives block; When torsion lid is counterclockwise rotated by minimum torsion gear, what the trip stop of torsion lid drove block pushing tow trip stop pad stirs protuberance, drives trip stop pad counterclockwise to rotate and stopper protrusion is sticked in locking draw-in groove.
Trip stop reduction torsion spring is connected with between described trip stop pad and gear-box fore shell.
The upper end of described trip stop post slides through adjustment screw and is pressed on trip stop pad lower surface.
Position corresponding with each trip stop post on described trip stop pad offers the through hole that can pass for trip stop post respectively.
Output shaft is equipped with in described gear-box fore shell, the bottom of output shaft is connected with reducing gear, output shaft is arranged with beater mechanism and impacts conversion pad, impact convex on conversion pad and be extended with impact conversion driving lever, the lateral surface at gear-box fore shell top offers step groove vertically, impact the stepped locations that conversion driving lever is arranged in step groove, torsion lid medial surface is convexly equipped with to be changed impact corresponding to driving lever and changes and drive block with impacting, when continuing again after torsion lid counterclockwise rotates appropriate angle by minimum torsion gear counterclockwise to rotate, the impact conversion of torsion lid drives block pushing tow to impact the impact conversion driving lever of conversion pad, drive is impacted conversion pad and is counterclockwise rotated the bottom land position making impact conversion driving lever turn to step groove.
Be connected with between described impact conversion pad and gear-box fore shell and impact switch back torsion spring.
Beneficial effect of the present invention is: the gear adjusting device of percussion drill gear-box provided by the invention, it includes gear-box fore shell, torsion lid, reducing gear, trip-stop mechanism, trip-stop mechanism includes annular adjustment screw, many trip stop posts, trip stop pad, every root trip stop post is arranged with Compress Spring respectively, the two ends of Compress Spring are connected to bottom adjustment screw and on trip stop post, torsion lid is in transmission connection with adjustment screw thread, the lower end of trip stop post is connected with reducing gear, trip stop pad is vertically slidably connected on gear-box fore shell, the pad locking structure that trip stop pad can be locked is provided with between torsion lid and gear-box fore shell, when torsion lid is rotated clockwise by minimum torsion gear, torsion cover strip dynamic adjustment screw slide downward makes Compress Spring compress, when torsion lid is counterclockwise rotated by minimum torsion gear, trip stop pad is locked on gear-box fore shell by pad locking structure by torsion lid, when needing to be adjusted to electric drill function, only torsion lid counterclockwise need be rotated and just by pad locking structure, trip stop pad locking be fixed, the pad that makes to beat can not realize electric drill function by play up and down, the present invention can quick adjustment to electric drill shelves or impact shelves, adjustment stroke is very little, simple to operation, efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is cut-away view of the present invention.
Fig. 3 is decomposing schematic representation of the present invention.
Fig. 4 is the structural representation of torsion lid of the present invention.
Fig. 5 is the structural representation of gear-box fore shell of the present invention.
Fig. 6 is the structural representation of the another kind of embodiment of trip stop pad of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated, see shown in Fig. 1 ~ 6, the present invention includes gear-box fore shell 1, turning set is located at the torsion lid 2 at gear-box fore shell 1 top, be arranged on the reducing gear 3 bottom gear-box fore shell 1, trip-stop mechanism, trip-stop mechanism includes the annular adjustment screw 4 be vertically slidably located on gear-box fore shell 1, many are vertically slidably connected at the trip stop post 5 on gear-box fore shell 1, be positioned at the trip stop pad 6 above adjustment screw 4 and trip stop post 5, every root trip stop post 5 is arranged with Compress Spring 51 respectively, the two ends of Compress Spring 51 are connected to bottom adjustment screw 4 and on trip stop post 5, the outer surface of adjustment screw 4 is provided with external screw thread 41, torsion lid 2 inner surface is provided with internal thread 21, the internal thread 21 of torsion lid 2 is connected with external screw thread 41 screw-driven of adjustment screw 4, the lower end of trip stop post 5 is connected with reducing gear 3, trip stop pad 6 is vertically slidably connected on gear-box fore shell 1.
The pad locking structure that trip stop pad 6 can be locked is provided with between torsion lid 2 and gear-box fore shell 1, when torsion lid 2 is rotated clockwise by minimum torsion gear, torsion lid 2 drives adjustment screw 4 slide downward that Compress Spring 51 is compressed, torsion lid 2 regulates the decrement of Compress Spring 51 to regulate the pressure of trip stop post 5 pairs of reducing gear 3 internal gears by adjustment screw 4, and during percussion drill gear-box trip stop, trip stop pad 6 is with trip stop post about 5 play; When torsion lid 2 is counterclockwise rotated by minimum torsion gear, trip stop pad 6 is locked on gear-box fore shell 1 by pad locking structure by torsion lid 2.When needing to be adjusted to electric drill function, only torsion lid 2 counterclockwise need be rotated and just by pad locking structure, trip stop pad 6 locking be fixed, the pad that makes to beat can not realize electric drill function by play up and down, the present invention can quick adjustment to electric drill shelves or impact shelves, adjustment stroke is very little, simple to operation, efficiency is high.
Gear-box fore shell 1 top circumferentially outer surface offers the limit sliding chutes 11 vertically extended, trip stop pad 6 medial surface is inwardly convexly equipped with the stopper protrusion 61 with limit sliding chutes 11 corresponding matching, stopper protrusion 61 is vertically slidably arranged in corresponding limit sliding chutes 11, and limit sliding chutes 11 is positioned at anticlockwise side and circumferentially offers the locking draw-in groove 12 with stopper protrusion 61 corresponding matching; The lateral surface convex of trip stop pad 6 is provided with stirs protuberance 62, and torsion lid 2 medial surface is convexly equipped with the trip stop corresponding with stirring protuberance 62 and drives block 22; When torsion lid 2 is counterclockwise rotated by minimum torsion gear, what the trip stop of torsion lid 2 drove block 22 pushing tow trip stop pad 6 stirs protuberance 62, driving trip stop pad 6 counterclockwise to rotate makes stopper protrusion 61 stick in locking draw-in groove 12, stopper protrusion 61, limit sliding chutes 11, stir protuberance 62 and trip stop and drive block 22 to constitute above-mentioned pad locking structure, structure is simple, easy to operate.Be connected with trip stop reduction torsion spring 63 between trip stop pad 6 and gear-box fore shell 1, when torsion lid 2 rotates back to screw shelves, trip stop pad 6 can automatically reset under the effect of trip stop reduction torsion spring 63.
The upper end of trip stop post 5 slides through adjustment screw 4 and is pressed on trip stop pad 6 lower surface.Position corresponding with each trip stop post 5 on trip stop pad 6 can offer the through hole 64 that can pass for trip stop post 5 respectively, during screw shelves, trip stop post 5 is by through hole about 64 play on trip stop pad 6, trip stop pad 6 is motionless, when electric drill shelves and impact shelves, trip stop pad 6 is stuck in gear-box fore shell 1 by torsion lid 2 driven rotary, through hole 64 simultaneously on trip stop pad 6 and trip stop post 5 position stagger push down that trip stop post 5 makes it can not be up and down, realize electric drill and impact function.As shown in Figure 6, position corresponding with each trip stop post 5 on trip stop pad 6 also can be entity structure, and during screw shelves, trip stop post 5 withstands trip stop pad 6 and drives trip stop pad about 6 play.
Output shaft 7 is equipped with in gear-box fore shell 1, the bottom of output shaft 7 is connected with reducing gear 3, output shaft 7 is arranged with beater mechanism 8 and impacts conversion pad 9, impact convex on conversion pad 9 and be extended with impact conversion driving lever 91, the lateral surface at gear-box fore shell 1 top offers step groove 13 vertically, impact step 131 position that conversion driving lever 91 is arranged in step groove 13, impact conversion driving lever 91 be subject to step groove 13 step 131 stop cannot be up and down, torsion lid 2 medial surface is convexly equipped with to be changed impact corresponding to driving lever 91 and changes and drive block 23 with impacting, when continuing again after torsion lid 2 counterclockwise rotates appropriate angle by minimum torsion gear counterclockwise to rotate, the impact conversion of torsion lid 2 drives block 23 pushing tow to impact the impact conversion driving lever 91 of conversion pad 9, drive is impacted conversion pad 9 and is counterclockwise rotated bottom land 132 position making impact conversion driving lever 91 turn to step groove 13, impact conversion driving lever 91 and there is space movable up and down, make beater mechanism 8 that output shaft about 7 play can be driven to realize impact function, when being namely adjusted to impact shelves, torsion lid 2 drives impact conversion pad 9 to rotate and realizes impact function while driving trip stop pad 6 to rotate.Be connected with between impact conversion pad 9 and gear-box fore shell 1 and impact switch back torsion spring 92, when being adjusted to electric drill shelves or screw shelves, impacting conversion pad 9 can automatically reset under the effect of impact switch back torsion spring 92.
Certainly, the above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (7)
1. the gear adjusting device of percussion drill gear-box, it includes gear-box fore shell (1), turning set is located at the torsion lid (2) at gear-box fore shell (1) top, be arranged on the reducing gear (3) of gear-box fore shell (1) bottom, trip-stop mechanism, it is characterized in that: described trip-stop mechanism includes annular adjustment screw (4) be vertically slidably located on gear-box fore shell (1), many are vertically slidably connected at the trip stop post (5) on gear-box fore shell (1), be positioned at the trip stop pad (6) of adjustment screw (4) and trip stop post (5) top, every root trip stop post (5) is arranged with Compress Spring (51) respectively, the two ends of Compress Spring (51) are connected on adjustment screw (4) bottom and trip stop post (5), the outer surface of adjustment screw (4) is provided with external screw thread (41), torsion lid (2) inner surface is provided with internal thread (21), the internal thread (21) of torsion lid (2) is connected with external screw thread (41) screw-driven of adjustment screw (4), the lower end of trip stop post (5) is connected with reducing gear (3), trip stop pad (6) is vertically slidably connected on gear-box fore shell (1), the pad locking structure that trip stop pad (6) can be locked is provided with between torsion lid (2) and gear-box fore shell (1), when torsion lid (2) is rotated clockwise by minimum torsion gear, torsion lid (2) drives adjustment screw (4) slide downward that Compress Spring (51) is compressed, when torsion lid (2) is counterclockwise rotated by minimum torsion gear, trip stop pad (6) is locked on gear-box fore shell (1) by pad locking structure by torsion lid (2).
2. the gear adjusting device of percussion drill gear-box according to claim 1, it is characterized in that: described gear-box fore shell (1) top circumferentially outer surface offers the limit sliding chutes (11) vertically extended, trip stop pad (6) medial surface is inwardly convexly equipped with the stopper protrusion (61) with limit sliding chutes (11) corresponding matching, stopper protrusion (61) is vertically slidably arranged in corresponding limit sliding chutes (11), and limit sliding chutes (11) is positioned at anticlockwise side and circumferentially offers the locking draw-in groove (12) with stopper protrusion (61) corresponding matching; The lateral surface convex of trip stop pad (6) is provided with stirs protuberance (62), and torsion lid (2) medial surface is convexly equipped with the trip stop corresponding with stirring protuberance (62) and drives block (22); When torsion lid (2) is counterclockwise rotated by minimum torsion gear, what the trip stop of torsion lid (2) drove block (22) pushing tow trip stop pad (6) stirs protuberance (62), drives trip stop pad (6) counterclockwise to rotate and stopper protrusion (61) is sticked in locking draw-in groove (12).
3. the gear adjusting device of percussion drill gear-box according to claim 2, is characterized in that: be connected with trip stop reduction torsion spring (63) between described trip stop pad (6) and gear-box fore shell (1).
4. the gear adjusting device of percussion drill gear-box according to claim 2, is characterized in that: the upper end of described trip stop post (5) slides through adjustment screw (4) and is pressed on trip stop pad (6) lower surface.
5. the gear adjusting device of percussion drill gear-box according to claim 1, is characterized in that: the upper position corresponding with each trip stop post (5) of described trip stop pad (6) offers the through hole (64) that trip stop post (5) can be supplied to pass respectively.
6. the gear adjusting device of the percussion drill gear-box according to claim 1 ~ 5 any one, it is characterized in that: in described gear-box fore shell (1), be equipped with output shaft (7), the bottom of output shaft (7) is connected with reducing gear (3), output shaft (7) be arranged with beater mechanism (8) and impact conversion pad (9), impact the upper convex of conversion pad (9) and be extended with impact conversion driving lever (91), the lateral surface at gear-box fore shell (1) top offers step groove (13) vertically, impact step (131) position that conversion driving lever (91) is arranged in step groove (13), torsion lid (2) medial surface is convexly equipped with to be changed impact conversion corresponding to driving lever (91) and drives block (23) with impacting, when continuing again after torsion lid (2) counterclockwise rotates appropriate angle by minimum torsion gear counterclockwise to rotate, the impact conversion of torsion lid (2) drives block (23) pushing tow to impact impact conversion driving lever (91) of conversion pad (9), drive is impacted conversion pad (9) and is counterclockwise rotated bottom land (132) position making impact conversion driving lever (91) turn to step groove (13).
7. the gear adjusting device of percussion drill gear-box according to claim 6, is characterized in that: be connected with between described impact conversion pad (9) and gear-box fore shell (1) and impact switch back torsion spring (92).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077624.8A CN104669215A (en) | 2015-02-13 | 2015-02-13 | Gear regulating device for impact drill gearbox |
| TW105201662U TWM527815U (en) | 2015-02-13 | 2016-02-02 | Gear shift adjustment device of impact drill gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510077624.8A CN104669215A (en) | 2015-02-13 | 2015-02-13 | Gear regulating device for impact drill gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104669215A true CN104669215A (en) | 2015-06-03 |
Family
ID=53305066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510077624.8A Pending CN104669215A (en) | 2015-02-13 | 2015-02-13 | Gear regulating device for impact drill gearbox |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104669215A (en) |
| TW (1) | TWM527815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11964376B2 (en) | 2020-09-24 | 2024-04-23 | Techtronic Cordless Gp | Multi-function handheld electric tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2319157Y (en) * | 1997-12-18 | 1999-05-19 | 车王电子股份有限公司 | Electric drill torque force controlling device |
| CN2770840Y (en) * | 2005-03-18 | 2006-04-12 | 毅金工业股份有限公司 | Trip stop control device for electric tool |
| CN201267988Y (en) * | 2008-07-08 | 2009-07-08 | 毅金工业股份有限公司 | Impact transfer structure of electric tool |
| CN102335904A (en) * | 2010-07-20 | 2012-02-01 | 苏州宝时得电动工具有限公司 | Power tool |
| CN102615633A (en) * | 2012-04-18 | 2012-08-01 | 浙江皇冠电动工具制造有限公司 | Multifunctional electric drill with functions capable of being conveniently switched |
| CN103522263A (en) * | 2013-10-18 | 2014-01-22 | 东莞百事得电动工具有限公司 | Impact switching device of electric tool gearbox |
| CN103862419A (en) * | 2012-12-11 | 2014-06-18 | 苏州宝时得电动工具有限公司 | Power tool |
| CN204621991U (en) * | 2015-02-13 | 2015-09-09 | 东莞百事得电动工具有限公司 | The gear adjusting device of percussion drill gear-box |
-
2015
- 2015-02-13 CN CN201510077624.8A patent/CN104669215A/en active Pending
-
2016
- 2016-02-02 TW TW105201662U patent/TWM527815U/en not_active IP Right Cessation
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2319157Y (en) * | 1997-12-18 | 1999-05-19 | 车王电子股份有限公司 | Electric drill torque force controlling device |
| CN2770840Y (en) * | 2005-03-18 | 2006-04-12 | 毅金工业股份有限公司 | Trip stop control device for electric tool |
| CN201267988Y (en) * | 2008-07-08 | 2009-07-08 | 毅金工业股份有限公司 | Impact transfer structure of electric tool |
| CN102335904A (en) * | 2010-07-20 | 2012-02-01 | 苏州宝时得电动工具有限公司 | Power tool |
| CN102615633A (en) * | 2012-04-18 | 2012-08-01 | 浙江皇冠电动工具制造有限公司 | Multifunctional electric drill with functions capable of being conveniently switched |
| CN103862419A (en) * | 2012-12-11 | 2014-06-18 | 苏州宝时得电动工具有限公司 | Power tool |
| CN103522263A (en) * | 2013-10-18 | 2014-01-22 | 东莞百事得电动工具有限公司 | Impact switching device of electric tool gearbox |
| CN204621991U (en) * | 2015-02-13 | 2015-09-09 | 东莞百事得电动工具有限公司 | The gear adjusting device of percussion drill gear-box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11964376B2 (en) | 2020-09-24 | 2024-04-23 | Techtronic Cordless Gp | Multi-function handheld electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM527815U (en) | 2016-09-01 |
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