CN203993687U - A kind of electric screwdriver of built-in screwdriver bit - Google Patents
A kind of electric screwdriver of built-in screwdriver bit Download PDFInfo
- Publication number
- CN203993687U CN203993687U CN201420419786.6U CN201420419786U CN203993687U CN 203993687 U CN203993687 U CN 203993687U CN 201420419786 U CN201420419786 U CN 201420419786U CN 203993687 U CN203993687 U CN 203993687U
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- China
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- screwdriver bit
- screwdriver
- output shaft
- casing
- push rod
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Abstract
The utility model relates to a kind of electric screwdriver of built-in screwdriver bit, comprises motor, output shaft, and output shaft is provided with screwdriver bit jack, and the output of motor is in transmission connection by reduction gear box and output shaft; It is characterized in that: the outer cover of reduction gear box is provided with the rotating disk that can rotate around self axis, rotating disk part exposes outside casing, on rotating disk, be provided with multiple accommodating holes that axially run through along the circle spacing, in each accommodating hole, be equipped with a screwdriver bit, screwdriver bit jack is the perforation that axially runs through output shaft, constrain in casing one push rod energy axial slip and can insert the screwdriver bit jack rear end from output shaft, push rod is turned round driving and slippage before and after energy by being located at pushing away on casing upper surface, and the front end of push rod is provided with the magnet that can hold screwdriver bit tail end.Screwdriver bit is built in screwdriver, is difficult for losing, and need to change screwdriver bit and only need rotate rotating disk, and screwdriver bit is changed convenient.
Description
Technical field
The utility model relates to a kind of electric hand-held tool, relates in particular to a kind of electric screwdriver of built-in screwdriver bit.
Background technology
In equipment installation or maintenance process, often can run into the situation that screws or unscrew screw, for the larger screw of some diameters; during with shfting wrench or box spanner dismounting, need spend the longer time; use in addition traditional screwdriver or spanner very inconvenient, inefficiency, labour intensity is large.Electric screwdriver, as a kind of tool for twisting screw of convenience and high-efficiency, obtains applying more and more widely at present in family's use and construction operation process.Electric screwdriver generally comprises the housing with handle, on the front end working face of housing, be equipped with output shaft, the front end face of output shaft is provided with cross section and is polygon-shaped screwdriver bit jack, the screwdriver bit of various model sizes can be plugged in aforesaid screwdriver bit jack, in the body portion of housing, be provided with motor, the power transmission shaft of motor is connected with output shaft transmission by gear reduction box with driver output axle around the rotation of self axis, and the shank of housing is provided with the energy charge power supply that power is provided to motor.
If a patent No. is the Chinese utility model patent " DC electric screw batch " of ZL01271639.1 (notification number is CN2508901Y), and one application number be the Chinese invention patent " Rechargeable electric screw driver " of ZL201010525872.1 (publication number is CN101983844A), they have all disclosed such electric screwdriver structure.
For the screw of different size specifications, existing electric screwdriver needs the screwdriver bit of supporting a lot of different models and specification, as yi word pattern, cross, rice font screwdriver bit, the size of screwdriver bit is also different, these screwdriver bits generally do not have the place of relative fixed placement, screwdriver bit is generally placed in a box body, when use, relevant screwdriver bit is taken out in the screwdriver bit jack that inserts electric screwdriver, that is to say that each screwdriver bit and electric screwdriver are independent of each other, the possibility that not only exists screwdriver bit easily to lose, and fetch screwdriver bit inconvenience, each use also needs with hand, screwdriver bit to be taken out and inserted screwdriver bit jack, the screwdriver bit of taking is quite inconvenient, lose time, inefficiency.
Existing electric screwdriver can run in actual use the screw that will turn and is positioned in the situation near metope or certain sidewall in addition, because the output shaft in existing electric screwdriver is arranged on the center position of housing front end face, may make to be arranged on screwdriver bit on output shaft and cannot forward insert and turn screw because of stopping of electric screwdriver head.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of screwdriver bit built-in electric screwdriver for above-mentioned prior art present situation, and it is convenient that this screwdriver is not only changed screwdriver bit, and screwdriver bit is not easy to lose.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of electric screwdriver of built-in screwdriver bit, comprise the motor of being located in casing, the output shaft that is located in casing front end, described output shaft is provided with cross section and is polygon-shaped screwdriver bit jack, and the output of motor is in transmission connection by reduction gear box and described output shaft; It is characterized in that: the outer cover of described reduction gear box is provided with the rotating disk that can rotate around self axis, described rotating disk part exposes outside casing and rotates for people, on rotating disk, be provided with multiple accommodating holes that axially run through along the circle spacing, in each accommodating hole, be equipped with a screwdriver bit, described screwdriver bit jack is the perforation that axially runs through output shaft, constrain in casing one push rod energy axial slip and can insert the screwdriver bit jack rear end from output shaft, push rod is turned round driving and slippage before and after energy by being located at pushing away on casing upper surface, and the front end of push rod is provided with the magnet that can hold screwdriver bit tail end.
As improvement, the above-mentioned lower end of turning round that pushes away is provided with the duplicate gear of two energy around the rotation of self axis, these two duplicate gears are between left and right every setting, the left and right sides, rear end of described push rod is provided with tooth-strip part, push rod is between two duplicate gears, the tooth-strip part of push rod both sides engages with the gear wheel portion transmission of described duplicate gear, the pinion part of described duplicate gear be located at casing in the tooth bar of the left and right sides engage.Originally push away to turn round between push rod and move by rack-and-pinion drive mechanism promotion push rod, and be to engage respectively with two tooth-strip parts of push rod both sides by two duplicate gears, guarantee to push away the slippage of turning round and can steadily promote push rod, in addition because it is duplicate gear, there is the effect of enlarging course, push away and turn round less stroke of slippage and just can make the larger stroke of push rod slippage.
Above-mentioned reduction gearing upper box part is provided with lug, has the spacing hole wearing for push rod on lug.Spacing hole on lug is to push rod limited location effect of contraction.
The edge of the front end face of above-mentioned output shaft eccentric setting close casing, output shaft is bearing in casing by bearing holder (housing, cover), the rear end of output shaft is provided with the first gear, the output of described gear-box is provided with the second gear, the second gear is positioned at outside the front end face of rotating disk, and described the first gear engages with the second gear drive.Due to output shaft eccentric setting and near the edge of the front end face of shell, spacing between output shaft and shell front end edge edge is few, when operation, shell front end edge edge near output shaft is positioned to homonymy with barrier (as wall), can reduce the position area interfering with barrier, make this electric screwdriver be applicable to operating near barrier.
For convenience of the installation of rotating disk, the front portion of above-mentioned reduction gear box has the installation portion extending forward, and described rotating disk is set on this installation portion.
Above-mentioned rotating disk is made up of shroud portion and hub disk portion, and shroud portion is fixed on the front end face of hub disk portion, and shroud portion is made up of the plastics of transparent material.Because the front portion of rotating disk is transparent, be positioned at rotating disk screwdriver model to be used therefore can directly observe.
Compared with prior art, the utility model has the advantage of: screwdriver bit is built in screwdriver, be difficult for losing, need to change screwdriver bit and only need rotate rotating disk, after the screwdriver bit in certain accommodating hole on rotating disk is aimed at push rod, push away and turn round, push rod just can be released the screwdriver bit of needs to use, after being used to complete, only need oppositely to push away and turn round, push away after twisted strip moves push rod and move, screwdriver bit is owing to being attracted to the front end of push rod, just can be by screwdriver bit again retraction accommodating hole, wait for next time and change, therefore screwdriver bit is changed conveniently.
Brief description of the drawings
Fig. 1 is the perspective view (removing casing) of the utility model embodiment;
Fig. 2 is the perspective view (removing casing) of the utility model embodiment;
Fig. 3 is the cutaway view (removing casing) of the utility model embodiment;
Fig. 4 is the local location schematic perspective view (band tooth bar position part) of the utility model embodiment casing;
Fig. 5 is the perspective view of reduction gear box in the utility model embodiment;
Fig. 6 is the three-dimensional exploded view of the utility model embodiment turntable.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Fig. 1～6, it is a preferred embodiment of the present utility model.
A kind of electric screwdriver of built-in screwdriver bit, comprise the motor 2 of being located in casing 1, the output shaft 6 that is located in casing 1 front end, output shaft 6 is provided with cross section and is polygon-shaped screwdriver bit jack 61, and the output of motor 2 is in transmission connection by reduction gear box 3 and described output shaft 4.
The outer cover of reduction gear box 3 is provided with the rotating disk 5 that can rotate around self axis, rotating disk 5 parts expose outside casing 1 and rotate for people, on rotating disk 5, be provided with multiple accommodating holes that axially run through 51 along the circle spacing, in each accommodating hole 51, be equipped with a screwdriver bit 4, screwdriver bit jack 61 is for axially running through the perforation of output shaft, one push rod 7 can constrain in casing 1 axial slip and can insert screwdriver bit jack 61 rear ends from output shaft, push rod 7 by being located at that pushing away on casing 1 upper surface turned round 11 drivings and can before and after slippage, the front end of push rod 7 is provided with the magnet 10 that can hold screwdriver bit 7 tail ends.Reduction gear box 3 tops are provided with lug 31, have the spacing hole 311 wearing for push rod 7 on lug 31.The front portion of reduction gear box 3 has the installation portion 32 extending forward, and rotating disk 3 is set on this installation portion 32.
Push away and turn round 11 lower end and be provided with the duplicate gear 8 of two energy around self axis rotation, these two duplicate gears 8 are between left and right every setting, the left and right sides, rear end of push rod 7 is provided with tooth-strip part 71, push rod 7 is between two duplicate gears 8, the tooth-strip part 71 of push rod 7 both sides engages with gear wheel portion 81 transmissions of duplicate gear 8, and 82 of the pinion part of duplicate gear 8 engage with the tooth bar 12 of being located at the casing 1 interior left and right sides.
The edge of the front end face of output shaft 6 eccentric settings close casing, output shaft 6 is bearing in casing 1 by bearing holder (housing, cover) 13, the rear end of output shaft 6 is provided with the first gear 9a, the output of gear-box 3 is provided with the second gear 9b, the second gear 9b is positioned at outside the front end face of rotating disk 5, and the first gear 9a engages with the second gear 9b transmission.
Rotating disk 5 is made up of the 5a of shroud portion and the 5b of hub disk portion, and the 5a of shroud portion is fixed on the front end face of the 5b of hub disk portion, and the 5a of shroud portion is made up of the plastics of transparent material.
Casing 1 does not have complete demonstration in drawing, the casing structure patent No. basic and the applicant's application in the present embodiment is that the casing disclosing in the Chinese utility model patent " a kind of electric screwdriver " of ZL201320090550.8 (notification number is CN203141395U) is several similar, it just arranges tooth bar in casing, and corresponding disk position place has the breach that exposes outside confession people rotation for rotating disk 5 parts on casing.
The screwdriver bit 4 of various different models or size is placed in respectively in the accommodating hole 51 of rotating disk 5, and rotating disk 5 is built in screwdriver, be difficult for losing, need to change screwdriver bit and only need rotate rotating disk 5, when the screwdriver bit 4 in certain accommodating hole 51 on rotating disk 5 is aimed at after push rod 7, promotion pushes away turns round 11, push rod 7 just can be released use by the screwdriver bit of needs 4, after being used to complete, only need oppositely push away and turn round 11, push away after turning round 11 drive push rods 7 and move, screwdriver bit 4 is owing to being attracted to the front end of push rod 7, just can be by screwdriver bit 4 again retraction accommodating hole 51, wait for next time and change, therefore screwdriver bit is changed conveniently.
Claims (6)
1. the electric screwdriver of a built-in screwdriver bit, comprise the motor (2) of being located in casing (1), the output shaft (6) that is located in casing (1) front end, described output shaft (6) is provided with cross section and is polygon-shaped screwdriver bit jack (61), and the output of motor (2) is in transmission connection by reduction gear box (3) and described output shaft (4), it is characterized in that: the outer cover of described reduction gear box (3) is provided with the rotating disk (5) that can rotate around self axis, described rotating disk (5) part exposes outside casing (1) and rotates for people, rotating disk (5) is upper is provided with multiple accommodating holes that axially run through (51) along the circle spacing, in each accommodating hole (51), be equipped with a screwdriver bit (4), described screwdriver bit jack (61) is for axially running through the perforation of output shaft, one push rod (7) can constrain in casing (1) axial slip and can insert screwdriver bit jack (61) rear end from output shaft, push rod (7) is turned round (11) driving and slippage before and after energy by being located at pushing away on casing (1) upper surface, the front end of push rod (7) is provided with the magnet (10) that can hold screwdriver bit (7) tail end.
2. the electric screwdriver of built-in screwdriver bit according to claim 1, it is characterized in that: described in push away the lower end of turning round (11) and be provided with the duplicate gear (8) of two energy around self axis rotation, these two duplicate gears (8) are between left and right every setting, the left and right sides, rear end of described push rod (7) is provided with tooth-strip part (71), push rod (7) is positioned between two duplicate gears (8), the tooth-strip part (71) of push rod (7) both sides engages with gear wheel portion (81) transmission of described duplicate gear (8), the pinion part (82) of described duplicate gear (8) engages with the tooth bar (12) of being located at the interior left and right sides of casing (1).
3. the electric screwdriver of built-in screwdriver bit according to claim 1, it is characterized in that: described reduction gear box (3) top is provided with lug (31), on lug (31), have the spacing hole (311) wearing for push rod (7).
4. the electric screwdriver of built-in screwdriver bit according to claim 1, it is characterized in that: the edge of the front end face of described output shaft (6) eccentric setting close casing, output shaft (6) is bearing in casing by bearing holder (housing, cover) (13), the rear end of output shaft (6) is provided with the first gear (9a), the output of described gear-box (3) is provided with the second gear (9b), the second gear (9b) is positioned at outside the front end face of rotating disk (5), and described the first gear (9a) engages with the second gear (9b) transmission.
5. according to the electric screwdriver of the arbitrary described built-in screwdriver bit of claim 1～4, it is characterized in that: the front portion of described reduction gear box (3) has the installation portion (32) extending forward, and described rotating disk (3) is set on this installation portion (32).
6. the electric screwdriver of built-in screwdriver bit according to claim 5, it is characterized in that: described rotating disk (5) is made up of shroud portion (5a) and hub disk portion (5b), shroud portion (5a) is fixed on the front end face of hub disk portion (5b), and shroud portion (5a) is made up of the plastics of transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419786.6U CN203993687U (en) | 2014-07-28 | 2014-07-28 | A kind of electric screwdriver of built-in screwdriver bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419786.6U CN203993687U (en) | 2014-07-28 | 2014-07-28 | A kind of electric screwdriver of built-in screwdriver bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203993687U true CN203993687U (en) | 2014-12-10 |
Family
ID=52033750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420419786.6U Active CN203993687U (en) | 2014-07-28 | 2014-07-28 | A kind of electric screwdriver of built-in screwdriver bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203993687U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889945A (en) * | 2015-06-18 | 2015-09-09 | 无锡市新菊电动工具有限公司 | Eccentric screwdriver structure |
| CN108000417A (en) * | 2018-01-09 | 2018-05-08 | 周志强 | The maintenance tool of portable quick elastic stud on aircraft |
| CN109159069A (en) * | 2018-10-30 | 2019-01-08 | 淮阴工学院 | The transmission mechanism of gun-type screw wrenching tool |
| CN112207548A (en) * | 2020-10-01 | 2021-01-12 | 杨新军 | Screwdriver capable of automatically replacing screwdriver bit |
| CN112207750A (en) * | 2020-09-07 | 2021-01-12 | 舟山双稳科技开发有限公司 | Automatic screwdriver of tool changing |
| CN113752214A (en) * | 2021-08-20 | 2021-12-07 | 青岛众瑞智能仪器股份有限公司 | Device for automatically replacing dust collecting cover of whirlwind cutter |
| CN113752207A (en) * | 2021-09-26 | 2021-12-07 | 赣州东美贸易有限公司 | New energy automobile maintains with quick replacement criticize hair style screwdriver |
| CN114952219A (en) * | 2022-05-11 | 2022-08-30 | 北京信息科技大学 | Intelligent assembling system and method for high-lock bolt |
-
2014
- 2014-07-28 CN CN201420419786.6U patent/CN203993687U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889945A (en) * | 2015-06-18 | 2015-09-09 | 无锡市新菊电动工具有限公司 | Eccentric screwdriver structure |
| CN108000417A (en) * | 2018-01-09 | 2018-05-08 | 周志强 | The maintenance tool of portable quick elastic stud on aircraft |
| CN108000417B (en) * | 2018-01-09 | 2019-11-12 | 安徽伟迈信息技术有限公司 | The maintenance tool of portable quickly elastic stud on aircraft |
| CN109159069A (en) * | 2018-10-30 | 2019-01-08 | 淮阴工学院 | The transmission mechanism of gun-type screw wrenching tool |
| CN112207750A (en) * | 2020-09-07 | 2021-01-12 | 舟山双稳科技开发有限公司 | Automatic screwdriver of tool changing |
| CN112207548A (en) * | 2020-10-01 | 2021-01-12 | 杨新军 | Screwdriver capable of automatically replacing screwdriver bit |
| CN112207548B (en) * | 2020-10-01 | 2022-08-26 | 建德市远丰工具有限公司 | Screwdriver capable of automatically replacing screwdriver bit |
| CN113752214A (en) * | 2021-08-20 | 2021-12-07 | 青岛众瑞智能仪器股份有限公司 | Device for automatically replacing dust collecting cover of whirlwind cutter |
| CN113752207A (en) * | 2021-09-26 | 2021-12-07 | 赣州东美贸易有限公司 | New energy automobile maintains with quick replacement criticize hair style screwdriver |
| CN113752207B (en) * | 2021-09-26 | 2022-12-20 | 佛山市美易佳五金塑料制品有限公司 | New energy automobile maintains with quick replacement batch hair style screwdriver |
| CN114952219A (en) * | 2022-05-11 | 2022-08-30 | 北京信息科技大学 | Intelligent assembling system and method for high-lock bolt |
| CN114952219B (en) * | 2022-05-11 | 2023-11-10 | 北京信息科技大学 | Intelligent assembling system and method for high-locking bolt |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |