CN108297019A - A kind of electronic eccentric screw knife - Google Patents
A kind of electronic eccentric screw knife Download PDFInfo
- Publication number
- CN108297019A CN108297019A CN201810155867.2A CN201810155867A CN108297019A CN 108297019 A CN108297019 A CN 108297019A CN 201810155867 A CN201810155867 A CN 201810155867A CN 108297019 A CN108297019 A CN 108297019A
- Authority
- CN
- China
- Prior art keywords
- screw
- cavity
- worm
- gear
- motor
- 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
- 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
-
- 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
- B25B23/16—Handles
Abstract
The present invention relates to a kind of electronic eccentric screw knives, belong to appliance tool field.Including a hollow screw driver handle, screw driver handle front end is coaxially fixed with hollow L-shaped screwdriver bar, the screw driver handle is internally provided with two layers of baffle of front apron and rear baffle and the cavity of entire screw driver handle is divided into preceding cavity, hollow cavity and rear cavity three parts, power-control section is installed in hollow cavity, the power-control section includes a motor, motor is mounted on front apron, and the shaft of motor is coaxially mounted to across front apron on the axis hole for being located at front apron side.This is reasonable in design, novel, and be suitble to has the screw hole blocked to carry out screw dismounting on top uses, and for there is the screw hole blocked, L-shaped screwdriver bar can play great effect.
Description
Technical field：
The present invention relates to a kind of electronic eccentric screw knives, belong to appliance tool field.
Background technology：
When dismounting screw, some narrow places be can not be normally carried out work using normal screws knife, and
Most product can all compromise to the position of screw hole in design, although some existing steering screwdrivers can be realized
The screw of this kind of specific position is dismounted, but is not easy to be operated, working efficiency is had a greatly reduced quality, and the screw under dismounting holds
It is easily thrown out without care and is left about, caused to lose, greatly delayed the progress of work.
Invention content：
The present invention provides a kind of electronic eccentric screw knives, this is reasonable in design, novel, can effectively solve the problem that top has
The screw dismounting problem and screw of the screw hole blocked throw out the problem of leaving about without care.
Used technical solution is the present invention to solve above-mentioned technical problem：
A kind of electronic eccentric screw knife, including a hollow screw driver handle, screw driver handle front end are coaxially connected free
The L-shaped screwdriver bar of the heart, the screw driver handle are internally provided with two layers of baffle of front apron and rear baffle by entire screwdriver hand
The cavity of handle is divided into preceding cavity, hollow cavity and rear cavity three parts, and power-control section is equipped in hollow cavity, and described is dynamic
Force control unit point includes a motor, and motor is mounted on front apron, and the shaft of motor is coaxially mounted to across front apron before being located at
On the axis hole of baffle side, it is coaxially fixed with a driving gear in the shaft front end of motor, the driven gear being matched therewith
One end is coaxially mounted on the axis hole at front apron center, and the other end of driven gear is coaxially connected long drive link, in screwdriver hand
Handle and L-shaped screwdriver bar junction center, which are equipped with, stablizes axis hole, and the long drive link, which coaxially passes through, to be stablized axis hole and stretch into L-shaped spiral shell
To right angle bending place in the cavity of silk knife bar, it is coaxially fixed with a drive bevel gear in the other end of long drive link, with initiative taper
The matched driven wheel of differential of gear is coaxially connected in the rear end of worm screw perpendicular to long drive link, and the worm screw passes through worm screw steady
Dead axle hole and worm wheel, the worm gear are coaxially mounted on the axis hole of L-shaped screwdriver bar end, stretch out L-shaped in worm gear
It is coaxially fixed with a driver bit converter on the worm gear shaft of screwdriver rod, screwdriver is installed on driver bit converter
Head.
The power-control section further includes battery, control chip and USB charge ports, and USB charge ports and control chip are controlled
Between coremaking piece and battery and control chip and motor connected by conducting wire.
The USB charge ports penetrate on rear baffle.
The rear end cap is equipped with screw thread with screw driver handle junction.
Transmission ratio is 1 between the driving gear and driven gear:1, transmission ratio 1 between drive bevel gear and driven wheel of differential:
1, transmission ratio is 15 between worm and worm wheel:1~30:1.
The side of the screw driver handle is set there are one three-stage switch, is wired on control chip.
Have at the installation seam or screw thread of contact with extraneous air all, is equipped with sealing rubber pad.
The driver bit converter is the hexagonal prisms of protrusion, is made of permanent-magnet material, the driver bit rear end is set
There are one the hexagon groove being recessed, which is adapted with the protrusion on driver bit converter.
Using the above structure, this is reasonable in design, novel by the present invention, is suitble to have the screw hole blocked to carry out spiral shell on top
Silk dismounting uses, and for there is the screw hole blocked, L-shaped screwdriver bar can play great effect, and inside screwdriver
Special designing so that the installation and removal of screw is all not necessarily to artificial laborious, only need to open rotating forward or reversal switch just can be light
Screw is dismantled, it is simple, convenient, the technology content of artificial labor intensity and work is reduced, specific position spiral shell is improved
The efficiency of silk dismounting, and in capable of being unscrewed at rear end cap and being contained in screw, avoid the embarrassment of screw loss, be suitable for wide
It is general to promote the use of.
Description of the drawings：
Fig. 1 is the shaft side figure of the present invention.
Fig. 2 is screw driver handle internal structure schematic diagram of the present invention.
Fig. 3 is L-shaped screwdriver bar internal structure schematic diagram of the present invention.
Fig. 4 is L-shaped screwdriver bar drive mechanism schematic diagram of the present invention.
Fig. 5 is structural schematic diagram at driver bit of the present invention.
Fig. 6 is seam crossing schematic diagram of the present invention.
In figure, 1, screw driver handle, 2, L-shaped screwdriver bar, 3, front apron, 4, rear baffle, 5, preceding cavity, 6, hollow cavity,
7, rear cavity, 8, motor, 9, driving gear, 10, driven gear, 11, long drive link, 12, stablize axis hole, 13, drive bevel gear,
14, driven wheel of differential, 15, worm screw, 16, worm gear, 17, worm screw stablize axis hole, 18, driver bit converter, 19, driver bit,
20, battery, 21, control chip, 22, USB charge ports, 23, screw thread, 24, rear end cap, 25, three-stage switch, 26, rubber seal
Pad.
Specific implementation mode：
In order to clarify the technical characteristics of the invention, below by specific implementation mode, and its attached drawing is combined, to this hair
It is bright to be described in detail.
As shown in fig. 1, a kind of electronic eccentric screw knife, it is characterised in that：Including a hollow screw driver handle 1, spiral shell
1 front end of silk knife handle is coaxially fixed with hollow L-shaped screwdriver bar 2, and the screw driver handle 1 is internally provided with 3 He of front apron
The cavity of entire screw driver handle 1 is divided into 7 three parts of preceding cavity 5, hollow cavity 6 and rear cavity by two layers of the baffle of rear baffle 4, in
Power-control section is installed in cavity, the power-control section includes a motor 8, and motor 8 is mounted on front apron 3,
The shaft of motor 8 is coaxially mounted to across front apron 3 on the axis hole for being located at front apron 3, is coaxially connected in the shaft front end of motor 8
There is a driving gear 9, the one end for the driven gear 10 being matched therewith is coaxially mounted on the axis hole at 3 center of front apron, driven
The other end of gear 10 is coaxially connected long drive link 11, and 1 front end of screw driver handle is coaxially connected L-shaped screwdriver bar 2, in screwdriver
Handle 1 and 2 junction center of L-shaped screwdriver bar, which are equipped with, stablizes axis hole 12, and the long drive link 11, which coaxially passes through, stablizes axis hole
12 stretch into the cavity of L-shaped screwdriver bar 2 to right angle bending place, and an initiative taper is coaxially fixed in the other end of long drive link 11
Gear 13, with 13 matched driven wheel of differential 14 of drive bevel gear after long drive link 11 is coaxially connected in worm screw 15
End, the worm screw 15 pass through worm screw to stablize axis hole 17 and are matched with worm gear 16, and the worm gear 16 is coaxially mounted to L-shaped screw
On the axis hole of 2 end of knife bar, driver bit conversion is coaxially fixed on the worm gear shaft that worm gear 16 stretches out L-shaped screwdriver bar 2
Device 18 is equipped with driver bit 19 on driver bit converter 18.
As shown in Fig. 2, in order to provide power to motor 8 and realize that control motor 8 rotates, and can realize each portion
The association divided, the power-control section further include battery 20, control chip 21 and USB charge ports 22, USB charge ports 22 and control
Between coremaking piece 21, control chip 21 and battery 20 and control chip 21 and motor 8 connected by conducting wire.
As shown in Fig. 2, charge in order to make battery 20 facilitate, and cavity 7 holds screw and does not influence electricity after ensureing
Normal operation inside dynamic eccentric screw knife, the USB charge ports penetrate on rear baffle 4.
In order to rear end cap 24 can easy disassembly, the rear end cap 24 connect with screw driver handle at 1 be equipped with screw thread 23.
In order to can be normally driven between gear, and realizes and slowed down and increased torque, institute at worm screw 16 and worm gear 15
It is 1 to state transmission ratio between driving gear 9 and driven gear 10:1, transmission ratio 1 between drive bevel gear 13 and driven wheel of differential 14:1, snail
Transmission ratio is 15 between bar 15 and worm gear 16:1~30:1.
As shown in Figure 1, tearing screw and dress screw open in order to realize, make 8 main story of motor or reversion, the screwdriver hand
The side of handle 1 is set there are one three-stage switch 25, is wired on control chip 21.
As shown in fig. 6, in order to make electronic eccentric screw knife internal structure and electric elements normal operation, make electronic eccentric spiral shell
Water-proof function is realized inside silk knife, is had at the installation seam or screw thread 23 of contact with extraneous air all, and sealing rubber is equipped with
Rubber cushion 26.
As shown in figure 5, in order to make electronic eccentric screw knife be suitable for dismounting the screw of more multiple pattern, make electronic eccentric screw
The driver bit 19 of knife allows hand over, and the driver bit converter 18 is the hexagonal prisms of protrusion, is made of permanent-magnet material, described
19 rear end of driver bit set that there are one the hexagon groove being recessed, the groove and the raised phases on driver bit converter 18
Adaptation.
Electronic eccentric screw knife using the present invention is backed out rear end cap 24 using preceding rotation, is carried out at USB charge ports 22
Charging, in use, changing driver bit 19 to be used, alignment screw is stretched by driver bit 19, pushes up three-stage switch
25, driver bit 19 rotates forward, downward buck switch, and driver bit 19 inverts, and switchs at centre position, and motor 8 is not run, internal
The operating of mechanism：When three-stage switch 25 above push away or under push away when, control chip 21 manipulate motor 8 rotate, driving gear 9 is therewith
Rotation, driven gear 10 are rotated with the rotation of driving gear 9, and driven gear 10 drives drive bevel gear by long drive link 11
13 rotations, driven wheel of differential 14 are rotated with the rotation of drive bevel gear 13, to drive the rotation of worm screw 15, worm screw 15 to drive
Worm gear 16 rotates, and bigger, the rotating speed reduction of worm gear 16, torque increase, 16 band of worm gear are driven between worm screw 15 and worm gear 16
Dynamic driver bit converter 18 completes entire workflow to drive driver bit 19 to rotate, and by the screw unloaded or incites somebody to action
Screw storage to be mounted prevents from losing at the rear cavity 7 in rear end cap 24.
Above-mentioned specific implementation mode cannot function as limiting the scope of the invention, for the technology people of the art
For member, any alternate modification or transformation made to embodiment of the present invention are all fallen in protection scope of the present invention.
Place is not described in detail by the present invention, is the known technology of those skilled in the art of the present technique.
Claims (8)
1. a kind of electronic eccentric screw knife, it is characterised in that：Including a hollow screw driver handle, screw driver handle front end is coaxial
It is fixed with hollow L-shaped screwdriver bar, the screw driver handle is internally provided with two layers of baffle of front apron and rear baffle will be entire
The cavity of screw driver handle is divided into preceding cavity, hollow cavity and rear cavity three parts, and power-control section is equipped in hollow cavity,
The power-control section includes a motor, and motor is mounted on front apron, and the shaft of motor is co-axially mounted across front apron
On the axis hole for being located at front apron side, a driving gear is coaxially fixed in the shaft front end of motor, be matched therewith from
One end of moving gear is coaxially mounted on the axis hole at front apron center, and the other end of driven gear is coaxially connected long drive link,
Screw driver handle and L-shaped screwdriver bar junction center, which are equipped with, stablizes axis hole, and the long drive link, which coaxially passes through, stablizes axis hole
It stretches into the cavity of L-shaped screwdriver bar to right angle bending place, a drive bevel gear is coaxially fixed in the other end of long drive link,
The rear end of worm screw is coaxially connected in perpendicular to long drive link with the matched driven wheel of differential of drive bevel gear, the worm screw is worn
It crosses worm screw and stablizes axis hole and worm wheel, the worm gear is coaxially mounted on the axis hole of L-shaped screwdriver bar end, in worm gear
It stretches out on the worm gear shaft of L-shaped screwdriver bar and is coaxially fixed with a driver bit converter, be equipped on driver bit converter
Driver bit.
2. a kind of electronic eccentric screw knife according to claim 1, it is characterised in that：The power-control section further includes
Battery, control chip and USB charge ports, USB charge ports and control chip, control chip and battery and control chip and motor it
Between be all to be connected by conducting wire.
3. a kind of electronic eccentric screw knife according to claim 2, it is characterised in that：The USB charge ports penetrate installation
On rear baffle.
4. a kind of electronic eccentric screw knife according to claim 1, it is characterised in that：The rear end cap and screw driver handle
Junction is equipped with screw thread.
5. a kind of electronic eccentric screw knife according to claim 1, it is characterised in that：The driving gear and driven gear
Between transmission ratio be 1:1, transmission ratio 1 between drive bevel gear and driven wheel of differential:1, transmission ratio is 15 between worm and worm wheel:1~30:
1。
6. a kind of electronic eccentric screw knife according to claim 1, it is characterised in that：The side of the screw driver handle is set
There are one three-stage to switch, and is wired on control chip.
7. a kind of electronic eccentric screw knife according to claim 1, it is characterised in that：It is contacted with extraneous air all
Installation seam or screw thread at, be equipped with sealing rubber pad.
8. a kind of electronic eccentric screw knife according to claim 1, it is characterised in that：The driver bit converter is convex
Rise hexagonal prisms, be made of permanent-magnet material, the driver bit rear end set there are one be recessed hexagon groove, the groove
It is adapted with the protrusion on driver bit converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810155867.2A CN108297019A (en) | 2018-02-23 | 2018-02-23 | A kind of electronic eccentric screw knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810155867.2A CN108297019A (en) | 2018-02-23 | 2018-02-23 | A kind of electronic eccentric screw knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108297019A true CN108297019A (en) | 2018-07-20 |
Family
ID=62848819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810155867.2A Pending CN108297019A (en) | 2018-02-23 | 2018-02-23 | A kind of electronic eccentric screw knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108297019A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441228A (en) * | 2018-12-17 | 2019-03-08 | 佛山市政通科技有限公司 | It is a kind of for opening the device of inmate's foot ring |
| CN109531505A (en) * | 2018-12-27 | 2019-03-29 | 常熟市研拓自动化科技有限公司 | A kind of the turn of the screw mechanism |
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| CN2291264Y (en) * | 1997-03-20 | 1998-09-16 | 陈亚刚 | Worm Wrench |
| CN2671751Y (en) * | 2003-11-10 | 2005-01-19 | 赵海亮 | Screw fastening and dismantling device |
| CN201669642U (en) * | 2010-05-25 | 2010-12-15 | 辽宁工程技术大学 | Adjustable-angle screwdriver |
| CN202448080U (en) * | 2012-03-05 | 2012-09-26 | 深圳市吉美电子设备有限公司 | Electric screwdriver with lighting function |
| CN203045600U (en) * | 2012-12-27 | 2013-07-10 | 浙江海洋学院 | Novel screw driver |
| CN203305134U (en) * | 2013-06-05 | 2013-11-27 | 深圳市怡化电脑有限公司 | Screwdriver working in narrow region |
| CN204248760U (en) * | 2014-10-28 | 2015-04-08 | 国网安徽凤台县供电有限责任公司 | Flexure type screwdriver |
| CN204604202U (en) * | 2015-03-30 | 2015-09-02 | 国家电网公司 | The electric screw driver of flexible shaft |
| CN204954718U (en) * | 2015-08-13 | 2016-01-13 | 苏州弘瀚自动化科技有限公司 | Convenient to use's screwdriver |
| CN105522519A (en) * | 2016-02-25 | 2016-04-27 | 罗丽珍 | Universal serial bus (USB) pen type electric screwdriver |
| CN206998754U (en) * | 2017-07-03 | 2018-02-13 | 赵思夏 | A kind of electronic spherical cage type universal joint screwdriver |
-
2018
- 2018-02-23 CN CN201810155867.2A patent/CN108297019A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2291264Y (en) * | 1997-03-20 | 1998-09-16 | 陈亚刚 | Worm Wrench |
| CN2671751Y (en) * | 2003-11-10 | 2005-01-19 | 赵海亮 | Screw fastening and dismantling device |
| CN201669642U (en) * | 2010-05-25 | 2010-12-15 | 辽宁工程技术大学 | Adjustable-angle screwdriver |
| CN202448080U (en) * | 2012-03-05 | 2012-09-26 | 深圳市吉美电子设备有限公司 | Electric screwdriver with lighting function |
| CN203045600U (en) * | 2012-12-27 | 2013-07-10 | 浙江海洋学院 | Novel screw driver |
| CN203305134U (en) * | 2013-06-05 | 2013-11-27 | 深圳市怡化电脑有限公司 | Screwdriver working in narrow region |
| CN204248760U (en) * | 2014-10-28 | 2015-04-08 | 国网安徽凤台县供电有限责任公司 | Flexure type screwdriver |
| CN204604202U (en) * | 2015-03-30 | 2015-09-02 | 国家电网公司 | The electric screw driver of flexible shaft |
| CN204954718U (en) * | 2015-08-13 | 2016-01-13 | 苏州弘瀚自动化科技有限公司 | Convenient to use's screwdriver |
| CN105522519A (en) * | 2016-02-25 | 2016-04-27 | 罗丽珍 | Universal serial bus (USB) pen type electric screwdriver |
| CN206998754U (en) * | 2017-07-03 | 2018-02-13 | 赵思夏 | A kind of electronic spherical cage type universal joint screwdriver |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441228A (en) * | 2018-12-17 | 2019-03-08 | 佛山市政通科技有限公司 | It is a kind of for opening the device of inmate's foot ring |
| CN109531505A (en) * | 2018-12-27 | 2019-03-29 | 常熟市研拓自动化科技有限公司 | A kind of the turn of the screw mechanism |
| WO2020133121A1 (en) * | 2018-12-27 | 2020-07-02 | 常熟市研拓自动化科技有限公司 | Screw tightening mechanism |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180720 |