CN206373828U - A kind of screwdriver of many times of feedings - Google Patents
A kind of screwdriver of many times of feedings Download PDFInfo
- Publication number
- CN206373828U CN206373828U CN201621412723.3U CN201621412723U CN206373828U CN 206373828 U CN206373828 U CN 206373828U CN 201621412723 U CN201621412723 U CN 201621412723U CN 206373828 U CN206373828 U CN 206373828U
- Authority
- CN
- China
- Prior art keywords
- gear
- screwdriver
- many times
- cutter hub
- internal gear
- 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)
Abstract
The utility model belongs to installation tool technical field, more particularly to a kind of screwdriver of many times of feedings, including turns cap, cutter hub and cutter head, turns cap and is connected as one with cutter hub, it is characterised in that：Turn to be provided with internal gear, internal gear in cap and be provided with planetary gear；The screwdriver is additionally provided with gear shaft and internal gear base, and internal gear base is located at internal gear outboard end；Gear shaft is made up of gear shaft block and gear footstalk, and gear shaft block is located in planetary gear, and gear footstalk one end is connected with gear shaft block, and one end sequentially passes through internal gear base and cutter hub, is connected with cutter head.Cutter head one end is located in gear footstalk, and one end stretches out.
Description
Technical field
The utility model belongs to installation tool technical field, more particularly to a kind of screwdriver of many times of feedings.
Background technology
Screwdriver is widely used in the small-sized fasteners such as dismounting screw, and existing screwdriver is mostly screwdriver cutter hub
Be structure as a whole to cutter head, i.e., screwdriver cutter hub rotate one week then cutter head also rotate one week, corresponding fastener is also rotated one week,
This kind of screwdriver can be spent under longer time, efficiency during rotation screw.Some screwdrivers are mounted with small electrical
Machine, realizes the rotation to fastener by motor output torque, but this kind of screwdriver generally existing that volume is too big, and operation is not
Just or output torque is smaller, it is impossible to apply enough torques on fastener.
The content of the invention
In order to solve the above technical problems, the utility model provides a kind of screwdriver that many times of feedings can be achieved, it is possible to provide
Larger torque and the screwdriver that many times of feedings can be achieved.
A kind of screwdrivers of many times of feedings in the present invention of above technical problem are solved, including turn cap, cutter hub and cutter head,
Turn cap to connect as one with cutter hub, it is characterised in that：Turn to be provided with internal gear, internal gear in cap and be provided with planetary gear；The screw
Knife is additionally provided with gear shaft and internal gear base, and internal gear base is located at internal gear outboard end；Gear shaft is by gear shaft block and gear
Footstalk is constituted, and gear shaft block is located in planetary gear, and gear footstalk one end is connected with gear shaft block, and one end sequentially passes through internal gear bottom
Seat and cutter hub, are connected with cutter head.Cutter head one end is located in gear footstalk, and one end stretches out.
It is described to turn between cap and cutter hub by concavo-convex circular arc card connection., can be real on the premise of limitation is moved along its axis
Now along the rotation of its axis.
The internal gear thickness<Planetary gear thickness.The gearratio of internal gear and planetary gear is more than 1, planetary gear and gear shaft
Gearratio be more than 1.
The screwdriver is additionally provided with gear pressure plate and cylinder shape groove, and cylinder shape groove is located at the inner side for turning cap, gear pressure
Plate is located in cylinder shape groove；The inner side of cutter hub is provided with regular hexagon groove, and internal gear base is embedded.
Connected between the gear pressure plate and internal gear base by positioning screw, gear pressure plate or gear base and gear
Axle, planetary gear, internal gear coordinate for gap.
The planetary gear quantity>=2., coordinated using more than two planetary gears and gear shaft, realized in space
The balance of gear shaft stress, and exportable larger torque.
The lateral profile of the internal gear is regular hexagon, is coordinated with turning the interior regular hexagon of inner side of cap.Outside internal gear
Side profile is regular hexagon, with turning the interior regular hexagon reliable fit processed in cap, realizes stable rotation input.
The cutter head and gear shaft block connected mode are movable connection methods.The utility model is using can be with tool changing head, no
Common flat mouth, cross mouthful only can be used, other kinds of driver bit can be also met.Cutter head uses replaceable structure, can
It is wide using scope using all kinds of supporting cutter heads, reduce cost.
Groove and bearing are provided with the cutter hub, bearing is located in groove, and gear footstalk passes through bearing.
The cutter hub is symmetrical two halves, and is provided with connecting hole per half, and connecting hole is passed through by two halves knife by connecting bolt
Body is integrally fixed.
Cutter hub is machined with regular hexagon groove close to cap inner side is turned, and gear base outline is with size regular hexagon, tooth
In the regular hexagon groove for taking turns base insertion cutter hub side.
It is described to turn between cap and cutter hub to be linked together by concavo-convex circular arc card, the knot of planetary gear is used in the utility model
Structure realizes the purpose of many times of feedings of screwdriver, because the gearratio of internal gear and planetary gear is more than 1, the biography of planetary gear and gear shaft
Dynamic ratio is more than 1, thus final gear shaft can obtain the gearratio more than 1, so as to realize many times of feedings；And cutter hub is using symmetrical
Two halves, the structure being connected by screw, and multiple bearings are set through the position of cutter hub in gear shaft so that stability of rotation.
Brief description of the drawings
Fig. 1 be the utility model in many times of feeding screwdrivers front view
Fig. 2 be the utility model in many times of feeding screwdrivers symmetrical sectional view
Fig. 3 be the utility model in many times of feeding screwdrivers A-A sectional views
Mark is specially wherein in figure：1. turn cap, 2. gear shafts (2-1 gear shaft blocks, 2-2 gears footstalk), 3. planetary gears,
4. locating slot, 5. connecting holes, 6. bearings, 7. interchangeable bits, 8. internal gears, 9. cutter hubs, 10. internal gear bases, 11. gear pressures
In plate, 12. positioning screws, 13. cylinder shape grooves
Embodiment
The utility model is described in further detail with reference to embodiment and accompanying drawing:
Embodiment 1
A kind of screwdriver of many times of feedings, including turn cap, cutter hub and cutter head, turn cap and connected as one with cutter hub, turned in cap
Provided with internal gear, planetary gear is provided with internal gear；The screwdriver is additionally provided with gear shaft and internal gear base, and internal gear base is set
In internal gear outboard end；Gear shaft is made up of gear shaft block and gear footstalk, and gear shaft block is located in planetary gear, gear footstalk one
End is connected with gear shaft block, and one end sequentially passes through internal gear base and cutter hub, is connected with cutter head.Cutter head one end is located at gear footstalk
Interior, one end stretches out.Turn between cap and cutter hub by concavo-convex circular arc card connection.On the premise of limitation is moved along its axis,
The rotation along its axis can be achieved.Internal gear thickness<Planetary gear thickness.The gearratio of internal gear and planetary gear is more than 1, planetary gear
It is more than 1 with the gearratio of gear shaft.
Screwdriver is additionally provided with gear pressure plate and cylinder shape groove, and cylinder shape groove is located at the inner side for turning cap, gear pressure plate position
In in cylinder shape groove；The inner side of cutter hub is provided with regular hexagon groove, and internal gear base is embedded.
Connected between the gear pressure plate and internal gear base by positioning screw, gear pressure plate or gear base and gear
Axle, planetary gear, internal gear coordinate for gap.
Planetary gear quantity 3, is coordinated using more than two planetary gears and gear shaft, realized in space gear shaft by
The balance of power, and exportable larger torque.
The lateral profile of internal gear is regular hexagon, is coordinated with turning the interior regular hexagon of inner side of cap.Internal gear outboard wheel
Exterior feature is regular hexagon, with turning the interior regular hexagon reliable fit processed in cap, realizes stable rotation input.
Cutter head and gear shaft block connected mode are movable connection methods.The utility model, which is used, not only may be used with tool changing head
Using common flat mouth, cross mouthful, other kinds of driver bit can be also met.Cutter head uses replaceable structure, can be used
All kinds of supporting cutter heads, it is wide using scope, reduce cost.
Groove and bearing are provided with cutter hub, bearing is located in groove, and gear footstalk passes through bearing.Cutter hub is symmetrical two
Half, and connecting hole is provided with per half, two halves cutter hub is integrally fixed through connecting hole by connecting bolt.Cutter hub is close to be turned in cap
Side is machined with regular hexagon groove, and gear base outline is that gear base insertion cutter hub side is just with size regular hexagon
In hexagonal indentations.
Embodiment 2
Many times of feeding screwdrivers are main by turning cap, cutter hub, interchangeable bit composition.Its transfer cap is manufactured by rigid plastics,
There is a cylinder shape groove its inner side, and gear pressure plate is placed wherein.
It is cylinder to turn on the outside of the circumferencial direction of cap 1, is easy to user to grip, and inside cylindrical side is just interior hexagon, interior
Side bottom cylindrical face is circular groove, and internal gear outside is the regular hexagon with size, and two regular hexagons are embedded as a whole.
Cutter hub is machined with regular hexagon groove close to cap inner side is turned, and gear base outline is with size regular hexagon, tooth
In the regular hexagon groove for taking turns base insertion cutter hub side.
Gear base axis position is machined with circular hole, for holding gears axle, gear base with diameter parallel and at intervals of
120 ° of circumference is machined with three circular grooves, for placing planetary gear rotating shaft.
Gear pressure plate outline is cylinder, same with axially bored line correspondence position on gear base to be machined with circular connected in star,
For holding gears axle, planetary gear rotating shaft.Gear pressure plate is positioned in the circular groove turned on cap inside cylindrical bottom surface.Turn cap to turn
When dynamic, only internal gear is driven to rotate, gear pressure plate is static.
Internal gear thickness is less than planetary gear thickness, is connected between gear pressure plate and gear base by positioning screw, gear pressure
Plate gear base coordinates with gear shaft, planetary gear, internal gear for gap.
Cutter hub is that the annular through groove for placing bearing is machined with the inside of symmetrical two halves structure, cutter hub, and in annular through groove
Bearing is pre-placed, gear shaft sequentially passes through the through hole in internal gear centre, and three bearings on cutter hub.Gear shaft connects
Interchangeable bit side is connect for interior hexagon.The corresponding side of interchangeable bit is regular hexagon.
Connecting bolt links together two halves cutter hub through the connecting hole on cutter hub.
In use, turning cap, and internal gear is driven to rotate, internal gear drives the individual planetary gear on the inside of it to rotate, finally
Drive axis of rotation.Internal gear is more than with planet gear transmission ratio, planetary gear and gear spindle drive ratio, therefore can be real by internal gear
The now feeding of many multiplying powers, to reach the purpose of quick rotary screw.
The utility model, which is used, common flat mouth, cross mouthful not only to be can be used, other types can be also met with tool changing head
Driver bit.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of screwdriver of many times of feedings, including turn cap (1), cutter hub (9) and cutter head (7), turn cap (1) and be connected with cutter hub (9)
It is integrated, it is characterised in that：Turn to be provided with internal gear (8), internal gear (8) in cap (1) and be provided with planetary gear (3)；The screwdriver
Gear shaft (2) and internal gear base (10) are additionally provided with, internal gear base (10) is located at internal gear (8) outboard end；Gear shaft (2) by
Gear shaft block (2-1) and gear footstalk (2-2) composition, gear shaft block (2-1) are located in planetary gear (3), gear footstalk (2-2) one
End is connected with gear shaft block (2-1), and one end sequentially passes through internal gear base (10) and cutter hub (9), is connected with cutter head (7).
2. a kind of screwdriver of many times of feedings according to claim 1, it is characterised in that：It is described to turn cap (1) and cutter hub (9)
Between connected by concavo-convex circular arc card.
3. a kind of screwdriver of many times of feedings according to claim 1, it is characterised in that：Internal gear (8) thickness<OK
Star-wheel (3) thickness.
4. a kind of screwdriver of many times of feedings according to claim 1 or 2, it is characterised in that：The screwdriver is additionally provided with
Gear pressure plate (11) and cylinder shape groove (13), cylinder shape groove (13) are located at the inner side for turning cap (1), and gear pressure plate (11) is located at
In cylinder shape groove (13)；The inner side of cutter hub (9) is provided with regular hexagon groove, and internal gear base (10) is embedded.
5. a kind of screwdriver of many times of feedings according to claim 3, it is characterised in that：The gear pressure plate (11) with it is interior
Connected between gear base (10) by positioning screw (12), gear pressure plate (11) or gear base (10) and gear shaft (2), planet
(3), internal gear (8) are taken turns for gap to coordinate.
6. a kind of screwdriver of many times of feedings according to claim 1, it is characterised in that：Planetary gear (3) quantity>=
2.
7. a kind of screwdriver of many times of feedings according to claim 1, it is characterised in that：The outside of the internal gear (8)
Profile is regular hexagon, is coordinated with turning the interior regular hexagon of inner side of cap (1).
8. a kind of screwdriver of many times of feedings according to claim 1, it is characterised in that：The cutter head (7) and gear shaft
Seat (2-1) connected mode is movable connection method.
9. a kind of screwdriver of many times of feedings according to claim 1, it is characterised in that：Provided with logical in the cutter hub (9)
Groove and bearing (6), bearing (6) are located in groove, and gear footstalk (2-2) passes through bearing (6).
10. a kind of screwdriver of many times of feedings according to claim 1, it is characterised in that：The cutter hub (9) is symmetrical
Two halves, and connecting hole (5) is provided with per half, two halves cutter hub (9) is integrally fixed through connecting hole (5) by connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621412723.3U CN206373828U (en) | 2016-12-22 | 2016-12-22 | A kind of screwdriver of many times of feedings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621412723.3U CN206373828U (en) | 2016-12-22 | 2016-12-22 | A kind of screwdriver of many times of feedings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206373828U true CN206373828U (en) | 2017-08-04 |
Family
ID=59407267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621412723.3U Expired - Fee Related CN206373828U (en) | 2016-12-22 | 2016-12-22 | A kind of screwdriver of many times of feedings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206373828U (en) |
-
2016
- 2016-12-22 CN CN201621412723.3U patent/CN206373828U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20211222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |