CN106903642A - Hand planetary gear speed-changing screwdriver - Google Patents
Hand planetary gear speed-changing screwdriver Download PDFInfo
- Publication number
- CN106903642A CN106903642A CN201710331606.7A CN201710331606A CN106903642A CN 106903642 A CN106903642 A CN 106903642A CN 201710331606 A CN201710331606 A CN 201710331606A CN 106903642 A CN106903642 A CN 106903642A
- Authority
- CN
- China
- Prior art keywords
- handle
- knife bar
- square
- gear ring
- planet carrier
- 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
Classifications
-
- 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
- B25B15/00—Screwdrivers
- B25B15/02—Screwdrivers operated by rotating the handle
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of hand planetary gear speed-changing screwdriver, including handle, planetary gears, knife bar, handle knife bar connecting shaft, foldable handle, handle gear ring adapter sleeve, pin, interchangeable bit.There is planetary gears in handle, handle and knife bar are respectively arranged with square head shaft, and the two is hinged by universal drive shaft, it is axially moved synchronous and rotates independent of one another.By pull handle and knife bar, respective square head shaft is set to be linked with sun gear or planet carrier respectively, you can to realize different gearratios, reach the purpose for increasing moment of torsion or revving up.Foldable handle is connected by handle gear ring adapter sleeve with the gear ring of planetary gears, for the fixation under speed change pattern to gear ring, is also folded up being linked with handle, gear ring is interlocked with planet carrier, realizes that gearratio is 1:1 common manual screwdriver function.The design outward appearance is brief, simple structure, simple operation.
Description
Technical field
The present invention relates to a kind of hand-operated tools, especially a kind of manual screw the Knife tool.
Background technology
Be fixed together for handle and cutter head by existing hand screwdriver, and its gearratio is fixed as 1:1.It is normal when in use
Such situation can often occur：Tighter screw will be spent exert great efforts and can just unscrew, and even want both hands to reinforce simultaneously sometimes.And
Screw screws out screw and more time-consuming completely after unscrewing, in the case that especially screw is more long.Be there is also when tightening screw
Corresponding problem.Electric screw driver can more convenient ground Torque-adjusting and gearratio, but exist it is expensive, inconvenient to carry,
The problems such as power supply need to being supplied.
Notification number is a kind of based on gear-driven speed change spiral shell for the Chinese utility model patent of CN201052605Y is devised
Silk knife, is connected by screw rod with change-speed gearing by handle and constituted.Screw position can be controlled by banking stop during work, make screwdriver
The rotating speed of head changes.The exterior structure of the design is complex compared with normal screws knife.Speed change screwdriver is not any to be used
In the case of be required for speed change, in most cases only need provide normal screws knife function.Accordingly, as hand-operated tools, speed change spiral shell
Silk knife should have the convenience suitable with normal screws knife and flexibility.To meet the requirement of in most cases one-handed performance, become
Fast screwdriver should not be excessively complicated in outward appearance and structure.
The content of the invention
To overcome the defects such as existing hand screwdriver gearratio is non-adjustable, speed change screwdriver structure is complicated, operation inconvenience, this
Invention provides a kind of screwdriver of use epicyclic transmission.By pull handle and knife bar, make its respectively with sun gear
（Planet carrier）And planet carrier（Sun gear）Linkage, you can realize different gearratios, reaches increase moment of torsion or quick precession（Go out）
The purpose of screw.Handle is folded during without speed change, handle is integrally formed with handle in the fixture block insertion handle on handle, made
Gear ring is interlocked with planet carrier, that is, realize that gearratio is 1:1 common manual screwdriver function.
The gear ring of foldable handle and planetary gears is connected and held, it is necessary to open handle during speed change, and gear ring is solid
It is fixed.Knife bar is hinged with handle by universal drive shaft, the two is axially moved and is linked and the respective rotation of without prejudice to.
The technical solution adopted for the present invention to solve the technical problems is：A kind of hand planetary gear speed-changing screwdriver,
Including handle, planetary gears, knife bar, handle-knife bar connecting shaft, foldable handle, handle fixture block, handle-gear ring connection
Set, pin, interchangeable bit.Handle inner bottom part is provided with square head shaft, there is planetary gears inside handle, and the mechanism is by one
There is square opening at the center of sun gear, four planetary gears, gear ring, upper and lower two planet carriers compositions, sun gear and two planet carriers, holds
The square head shaft received inside knife bar and handle, square opening inwall is provided with spring holder.Handle-gear ring adapter sleeve is connected with gear ring
Together, back segment is arranged in handle, and leading portion stretches out handle and is provided with handle chassis, and foldable handle is arranged on by pin
On handle chassis.The fixture block of protrusion, fixture block when handle is folded are provided with handle while embedded handle-gear ring adapter sleeve and handle
In the groove of front end.Knife bar back segment is provided with square head shaft, inserts in the square opening of planetary gears.The square toes of knife bar and handle
Axle is hinged by handle-knife bar connecting shaft, and the two axial direction is linked but rotates separate.
Above-mentioned hand planetary gear speed-changing screwdriver, the planetary gears center is sun gear, and periphery is uniform
Four planetary gears of distribution are engaged with, and planetary gear periphery is engaged with gear ring.First, second planet carrier is located at gear mechanism two respectively
End, four axis holes on planet carrier coordinate with four planet wheel spindles respectively.Planet carrier rotates section circular diameter less than gear ring periphery
Diameter.The center of sun gear and planet carrier is provided with square opening, coordinates with the square head shaft on knife bar, handle.Inside square opening
Spring holder is provided with, the positioning for square head shaft in mechanism.
Above-mentioned hand planetary gear speed-changing screwdriver, the handle is hollow structure, and handle inner bottom part is centrally disposed
There is square head shaft, the axle is divided into two sections：Leading portion section is square, and back segment section is circle, when square leading portion is located at planetary gear machine
When in structure in the square opening of sun gear, circular back segment is not rotated freely by the constraint of the first planet carrier square opening.
Above-mentioned hand planetary gear speed-changing screwdriver, the handle-knife bar connecting shaft two ends are universal steel ball structure,
The spherical pit with handle, the square head shaft top of knife bar coordinates respectively, makes handle synchronous with knife bar axial movement and rotates mutual
It is independent.The length of the connecting shaft is set according to the position of spring holder and sun gear, planet carrier thickness, makes handle and knife bar
Square head shaft in pull always one be located at planet carrier square opening, another be located at sun gear square opening position.
Above-mentioned hand planetary gear speed-changing screwdriver, the handle-gear ring adapter sleeve is hollow structure, and back segment is installed
In handle, it is connected with gear ring, has a diameter larger than planet carrier and rotate section circular diameter, does not influence planet carrier to rotate when rotating.
Adapter sleeve leading portion stretches out handle, and front end has circular protrusions to coordinate with handle leading portion.There are handle chassis on adapter sleeve, there is pin on pedestal
Hole and spring holder, are respectively used to fixed and positioned handle.Adapter sleeve front end face is closing structure, and center has hole to be worn for knife bar
Cross and it is positioned.
Above-mentioned hand planetary gear speed-changing screwdriver, the handle outer surface is streamlined structure, following table during folding
Face coincide with grip surface, and handle fixture block is while the groove of embedded handle-gear ring adapter sleeve front end circular protrusions and handle front end
It is interior, make the two synchronous axial system.Handle and handle-gear ring adapter sleeve front end circular protrusions are coincide during opening, and handle fixture block is from groove
Interior abjection, frees the interlocking of handle-gear ring adapter sleeve and handle.Spring holder in handle chassis is matched somebody with somebody with the pit on handle
Close, for the fixation in opening/folded state to handle.
Above-mentioned hand planetary gear speed-changing screwdriver, the knife bar leading portion is provided with interchangeable bit, and back segment is side
Head axle, the axle is divided into two sections：Leading portion section is circle, and back segment section is square, in square back segment is located at planetary gears
When in the square opening of sun gear, rounded forward section is not rotated freely by the constraint of the second planet carrier square opening.
The beneficial effects of the invention are as follows, using epicyclic transmission, by switch knife bar and handle respectively with mechanism
Middle sun gear and planet carrier link, and are capable of achieving increase moment of torsion or the function of revving up.Handle is folded up during without speed change
Linked with handle, you can realize that gearratio is 1:1 common manual screwdriver function.The design outward appearance is brief, with normal screws
Knife is similar.Simple structure, simple operation.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is schematic diagram of the present invention；
Fig. 2 is the schematic diagram along line A-A in Fig. 1
Fig. 3 is the schematic diagram of planetary gears；
Fig. 4 is handle-gear ring adapter sleeve and gear ring, handle cooperation schematic diagram；
Fig. 5 is handle open mode fixture block operating diagram.
Fig. 6 is handle folded state fixture block operating diagram.
1. handle fixture block in figure, 2. foldable handle, 3. handle-gear ring adapter sleeve, 4. handle, 5. square head shaft, 6. planet
Gear mechanism, 7. handle-knife bar connecting shaft, 8. knife bar, 9. interchangeable bit, 10. planetary gear, 11. first planet carriers, 12. sides
Shape hole, 13. sun gears, 14. gear rings, 15. second planet carriers, 16. handle chassis.
Specific embodiment
【Embodiment 1】
Hand planetary gear speed-changing screwdriver, including handle 4, planetary gears 6, knife bar 8, handle-knife bar connecting shaft 7,
Foldable handle 2, handle fixture block 1, handle-gear ring adapter sleeve 3, pin, interchangeable bit 9.Handle 4 is hollow structure, handle
Inside there is planetary gears 6, handle inner bottom part is provided centrally with square head shaft 5, and the axle is divided into two sections：Leading portion section for square, after
Section section is circle, and when square leading portion is located in planetary gears 6 in the square opening of sun gear 13, circular back segment is by the
The constraint of the square opening of one planet carrier 11 and freely rotate.Planetary gears 6 is by 13, four planetary gears 10, tooth of a sun gear
The 14, first planet carrier 11 of circle, the second planet carrier 15 are constituted, and there is square opening at the center of sun gear 13 and two planet carriers 11,15, are held
The square head shaft 5 received inside knife bar 8 and handle, square opening inwall is provided with spring holder, for the square head shaft to knife bar 8 and holds
Internal square head shaft 5 is positioned.
As shown in figure 3, handle-gear ring adapter sleeve 3 is fixed together with gear ring 14, its radius is more than the second planet carrier 15
Section circular diameter is rotated, the two rotation does not interfere with each other, back segment is arranged in handle 4, and leading portion stretches out handle 4 and is provided with handle base
Seat 16, foldable handle 2 is arranged on handle chassis 16 by pin.The fixture block 1 of protrusion is provided with handle, as shown in figure 4,
Handle fixture block 1 frees from the groove of handle-gear ring adapter sleeve 3 and handle 4 when foldable handle 2 is opened, and the two can be with
It is independent to rotate.As shown in figure 5, fixture block 1 is while the groove of embedded handle-gear ring adapter sleeve 3 and the front end of handle 4 when handle is folded
It is interior, make the two synchronous axial system.The back segment of knife bar 8 is provided with square head shaft, inserts in the square opening of planetary gears 6.Knife bar 8 with hold
Square head shaft 4 is hinged by handle-knife bar connecting shaft 7, and the two axial direction is linked but rotates separate.
【Embodiment 2】
As shown in Fig. 2 the flute profile of the sun gear 13 of planetary gears 6, planetary gear 10, gear ring 14 can also use straight tooth column
Gear or straight-tooth, helical bevel gear, planetary gear quantity can also be 2,3 or 5,6.Using more than two planets
Wheel can make load be evenly distributed, and improve the job stability of planetary gears.
【Embodiment 3】
As shown in figure 1, the square head shaft of knife bar 8, the section of handle square head shaft 5 can also be equilateral triangle, regular pentagon, positive six side
The regular polygons such as shape, it might even be possible to be non-regular polygon.Corresponding first planet carrier 11, the second planet carrier 15, sun gear 13
The square opening section of square opening can also be above-mentioned shape.
Mode of operation of the present invention is divided into two kinds：General mode and speed change pattern.General mode can be rolled over when being without speed change
Folded handle 2 is folded, and handle fixture block 1 in the groove of embedded handle-rear end of gear ring adapter sleeve 3 and the front end of handle 4, makes the two same simultaneously
Step is rotated.Square head shaft 5 inside the square head shaft and handle of knife bar 8 is respectively positioned at the square opening of the planet carrier 11 of sun gear 13 and first
Interior, handle-gear ring adapter sleeve 3 also synchronous axial system when rotating handle 4, square head shaft 5, handle-gear ring adapter sleeve 3 drives first respectively
Planet carrier 11, gear ring 14 synchronously rotate, and planetary gears working condition is that gear ring is interlocked with planet carrier, planetary gears
Used as an overall operation, sun gear 13 drives knife bar 8 to be synchronously rotated with handle 4, realizes that rotating ratio is 1:1 common manual
Screwdriver function.Foldable handle 2 is opened during speed change pattern is held, fixed gear ring 14 by handle-gear ring adapter sleeve 3.
The square head shaft of knife bar 8 is located at the square opening of the second planet carrier 15, and the square head shaft 5 of handle 4 is located in the square opening of sun gear 13, turns
Dynamic handle 4, planetary gears working condition is fixed for gear ring, sun gear actively, planet carrier it is passive, mode of operation is that reduction of speed is passed
It is dynamic, turn to identical.Knife bar 8 rotates in same direction with handle 4, but rotating speed is less than handle 4, realizes the function of increase moment of torsion.Hold handle 2
Handle 4 is twitched, the square head shaft of the back segment of knife bar 8 respectively overcomes respective institute under the drive of handle-knife bar connecting shaft 7 with square head shaft 5
Locate the resistance of square opening inner spring alignment pin, then the square head shaft of knife bar 8 enters in the square opening of sun gear 13, the side of handle 4
Head axle 5 enters in the square opening of the first planet carrier 11 and respectively by the spring holder positioning in sky, planetary gears work
State is fixed for gear ring, planet carrier actively, sun gear it is passive, mode of operation is increasing transmission, is turned to identical.Knife bar 8 and handle 4
Rotate in same direction, but rotating speed is higher than the function of realizing increasing rotating speed in handle 4.
Claims (7)
1. a kind of hand planetary gear speed-changing screwdriver, including handle（4）, planetary gears（6）, knife bar（8）, handle-
Knife bar connecting shaft（7）, foldable handle（2）, handle fixture block（1）, handle-gear ring adapter sleeve（3）, pin, interchangeable bit
（9）, it is characterised in that：Handle（4）Inner bottom part is provided with square head shaft（5）, the handle（4）There is planetary gears inside（6）, should
Mechanism is by a sun gear（13）, four planetary gears（10）, gear ring（14）, upper and lower two planet carriers（11）、（15）Composition, the sun
Wheel（13）And two planet carriers（11）、（15）Center have square opening（12）, accommodate knife bar（8）And handle（4）Internal square toes
Axle（5）, square opening inwall is provided with spring holder, handle-gear ring adapter sleeve（3）With gear ring（14）It is fixed together, back segment
Installed in handle（4）Interior, leading portion stretches out handle（4）And it is provided with handle chassis（16）, foldable handle（2）Installed by pin
In handle chassis（16）On, the fixture block of protrusion is provided with handle（1）, fixture block when handle is folded（1）While embedded handle-gear ring
Adapter sleeve（3）And handle（4）In the groove of front end, knife bar（8）Back segment is provided with square head shaft, inserts planetary gears（6）'s
In square opening, knife bar（8）With handle（4）Square head shaft（5）By handle-knife bar connecting shaft（7）It is hinged, the two axial direction
Link but rotate and be separate.
2. hand planetary gear speed-changing screwdriver according to claim 1, it is characterised in that the planetary gears
（6）Center is sun gear（13）, periphery is uniformly distributed four planetary gears（10）It is engaged with, planetary gear（10）Periphery and gear ring
（14）Engagement, the first planet carrier（11）, the second planet carrier（15）Gear mechanism two ends, four axis holes on planet carrier are located at respectively
Coordinate with four planet wheel spindles respectively, planet carrier rotates section circular diameter and is less than gear ring peripheral diameter, sun gear（13）And planet
Frame（11）、（15）Center be provided with square opening, with knife bar（8）, handle（4）On square head shaft（5）Coordinate, inside square opening
Spring holder is provided with, the positioning for square head shaft in mechanism.
3. hand planetary gear speed-changing screwdriver according to claim 1 and 2, it is characterised in that the handle（4）For
Hollow structure, its inner bottom part is provided centrally with square head shaft（5）, the square head shaft（5）It is divided into two sections：Leading portion section is square, back segment
Section is circle, when square leading portion is located at planetary gears（6）Middle sun gear（13）Square opening in when, circular back segment is not received
First planet carrier（11）The constraint of square opening and freely rotate.
4. hand planetary gear speed-changing screwdriver according to claim 3, it is characterised in that the handle-knife bar connects
Spindle（7）Two ends are universal steel ball structure, respectively with handle（4）, knife bar（8）Square head shaft top spherical pit coordinate, make
Handle（4）With knife bar（8）It is axially moved synchronous and rotates separate, the connecting shaft（7）Length according to spring holder
Position and sun gear（13）, planet carrier（11）、（15）Thickness set, make handle（4）And knife bar（8）Square head shaft in pull
Always one be located at planet carrier square opening, another be located at sun gear square opening position.
5. hand planetary gear speed-changing screwdriver according to claim 4, it is characterised in that the handle-gear ring connects
Female connector（3）It is hollow structure, back segment is arranged on handle（4）It is interior, with gear ring（14）It is connected, has a diameter larger than planet carrier and rotate section
Circular diameter, does not influence planet carrier to rotate, adapter sleeve when rotating（3）Leading portion stretches out handle（4）, there are circular protrusions and handle in front end
（4）Leading portion coordinates, adapter sleeve（3）On have handle chassis（16）, there are pin-and-hole and spring holder on the pedestal, it is respectively used to install
And position fixing handle（2）, adapter sleeve（3）Front end face is closing structure, and center has hole to supply knife bar（8）Position through and to it.
6. hand planetary gear speed-changing screwdriver according to claim 5, it is characterised in that the handle（2）Appearance
Face is streamlined structure, lower surface and handle during folding（4）Surface profiles, handle fixture block（1）Embedded handle-gear ring connection simultaneously
Set（3）Front end circular protrusions and handle（4）In the groove of front end, make the two synchronous axial system, handle during opening（2）With handle-tooth
Circle adapter sleeve（3）Front end circular protrusions are coincide, fixture block（1）Deviate from from groove, free handle-gear ring adapter sleeve（3）And handle
（4）Interlocking, handle chassis（16）Interior spring holder and handle（2）On pit coordinate, for open and folded state
Lower handle（2）Fixation.
7. hand planetary gear speed-changing screwdriver according to claim 6, it is characterised in that the knife bar（8）Leading portion
Interchangeable bit is installed（9）, back segment is square head shaft, and the axle is divided into two sections：Leading portion section is circle, back segment section for square,
When square back segment is located at planetary gears（6）Middle sun gear（13）Square opening in when, rounded forward section not receive the second planet carrier
（15）The constraint of square opening and freely rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331606.7A CN106903642A (en) | 2017-05-11 | 2017-05-11 | Hand planetary gear speed-changing screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331606.7A CN106903642A (en) | 2017-05-11 | 2017-05-11 | Hand planetary gear speed-changing screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106903642A true CN106903642A (en) | 2017-06-30 |
Family
ID=59216665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710331606.7A Pending CN106903642A (en) | 2017-05-11 | 2017-05-11 | Hand planetary gear speed-changing screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106903642A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936313A (en) * | 2018-09-21 | 2020-03-31 | 张玲聪 | Three-working-mode manual screwdriver |
| CN111037513A (en) * | 2019-12-20 | 2020-04-21 | 贵州电网有限责任公司 | Operating tool of 2M head |
| CN111823173A (en) * | 2020-08-14 | 2020-10-27 | 陕西科技大学 | Labor-saving screwdriver |
| CN111823174A (en) * | 2020-08-14 | 2020-10-27 | 陕西科技大学 | Labor-saving reverse-rotation screwdriver |
-
2017
- 2017-05-11 CN CN201710331606.7A patent/CN106903642A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110936313A (en) * | 2018-09-21 | 2020-03-31 | 张玲聪 | Three-working-mode manual screwdriver |
| CN111037513A (en) * | 2019-12-20 | 2020-04-21 | 贵州电网有限责任公司 | Operating tool of 2M head |
| CN111823173A (en) * | 2020-08-14 | 2020-10-27 | 陕西科技大学 | Labor-saving screwdriver |
| CN111823174A (en) * | 2020-08-14 | 2020-10-27 | 陕西科技大学 | Labor-saving reverse-rotation screwdriver |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106903642A (en) | Hand planetary gear speed-changing screwdriver | |
| US20180243896A1 (en) | Handheld Drive Device | |
| US7395876B1 (en) | Drill driver | |
| CN113458904B (en) | Welding seam grinding device | |
| CN206588875U (en) | rotary fastening device | |
| CN101596707B (en) | Multifunctional bolt turning tool ratchet handle | |
| CN206795695U (en) | Hand planetary gear speed-changing screwdriver | |
| CN101920484B (en) | Screw driver | |
| CN218514234U (en) | Double-speed clutch speed reduction motor | |
| CN204921861U (en) | Washing machine transmissions | |
| CN102489742B (en) | Pressure pipeline tapping machine | |
| CN201046532Y (en) | Manually-operated and automatic feeding conversion device for automatic turning lathe | |
| CN205733170U (en) | Flange tapered-hole processing device | |
| CN215231993U (en) | Lifting basketball stand | |
| CN210360763U (en) | Multifunctional power head modified by angle grinder and adapter sleeve for modification | |
| CN201848805U (en) | Portable labor-saving wrench for tyre screws | |
| CN208713808U (en) | Speed changing force-saving spanner | |
| CN212444986U (en) | Manual planetary gear speed-changing screwdriver | |
| CN207178591U (en) | Gear and speed changer | |
| CN202951795U (en) | Tank body height adjusting device for tank necking machine | |
| CN206797619U (en) | A kind of two front wheels directly drive ratchet moving gear shift speed change gear | |
| CN206802215U (en) | A kind of axle input type three keeps off internal speed changer | |
| CN210183070U (en) | A charger | |
| CN211029555U (en) | Multifunctional valve grinding machine | |
| CN2723096Y (en) | Hand tapping tool for lathe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170630 |