CN105171666A - Screwdriver bit conversion mechanism - Google Patents
Screwdriver bit conversion mechanism Download PDFInfo
- Publication number
- CN105171666A CN105171666A CN201510639449.7A CN201510639449A CN105171666A CN 105171666 A CN105171666 A CN 105171666A CN 201510639449 A CN201510639449 A CN 201510639449A CN 105171666 A CN105171666 A CN 105171666A
- Authority
- CN
- China
- Prior art keywords
- adapter
- lever
- screwdriver
- hoodle
- take
- 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.)
- Granted
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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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/0007—Connections or joints between tool parts
- B25B23/0035—Connection means between socket or screwdriver bit and tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a screwdriver bit conversion mechanism. The mechanism comprises an output rod, and a first inserting hole where a screwdriver bit is inserted is formed in the front end of the output rod; and the mechanism is characterized in that an adapter assembly where the screwdriver bit with connecting portions of different specifications is installed is arranged on the output rod, and comprises an adapter coaxial with the output rod, and a second inserting hole where the screwdriver bit is installed is formed in the front end of the adapter; and a first looseness-prevention mechanism for preventing the screwdriver bit from loosening is arranged in the second inserting hole, and the rear end of the adapter is connected with the output rod. The mechanism has the beneficial effects that the adapter assembly where screwdriver bits of different specifications are installed is arranged on the output rod, so that one screwdriver can be provided with the screwdriver bits of two different specifications (the specification of the connecting portions), the generality is good, the application range is wide, use is convenient, and meanwhile the using cost is reduced.
Description
Technical field
The present invention relates to the instrument for the turn of the screw, nut etc., particularly relate to a kind of screwdriver bit switching mechanism of screwdriver.
Background technology
Screwdriver is a kind of common tool for the turn of the screw, nut, and one is well matched has multiple difform screwdriver bit, to be applicable to dissimilar screw, nut.Screwdriver bit 1 is generally made up of transfer part 100 and connecting portion 200 two parts, because the size specification of screw, nut is a lot, when needing the turn of the screw in the dark screw hole of the little degree of depth of some bores, when particularly some small household appliances, toys for children etc. assemble screw above, its screwdriver bit needing diameter tiny just can stretch in screw hole and carry out the turn of the screw operation.At present its connecting portion of screwdriver bit 200(on the market namely from take-off lever 2 coupling part of screwdriver) bore generally have several different specification, as 6.3mm series, 4mm is serial, and one can only fill the screwdriver bit of a kind of specification (referring to the specification of connecting portion 200) screwdriver, its versatility is bad, when needs are in the local the turn of the screw of difference, when particularly needing the turn of the screw in the small-bore greatly hole differed greatly, nut, just need the even more screwdriver of preparation two, not only use trouble, also improve use cost.
Summary of the invention
Technical problem to be solved by this invention is to provide the screwdriver bit switching mechanism of good, the easy to use screwdriver of a kind of versatility.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of screwdriver bit switching mechanism of screwdriver, comprise take-off lever, the front end of described take-off lever is provided with the first spliced eye for grafting screwdriver bit, described take-off lever is provided with the adapter component for installing the screwdriver bit with different size connecting portion, described adapter component comprises the adapter coaxially arranged with described take-off lever, the front end of described adapter is provided with the second spliced eye for grafting screwdriver bit, the first escapement preventing screwdriver bit from getting loose is provided with in the second described spliced eye, the rear end of described adapter is connected with described take-off lever.
The rear end of described adapter is wholely set the power transfering part that coaxially can insert the first spliced eye.
The first described escapement is the magnet be fixedly installed in bottom the second described spliced eye.
The first described escapement comprises the first elastic collar, the sidewall of the front end of described adapter is provided with the first hoodle hole that at least one is connected with the second described spliced eye, the first hoodle is provided with in the first described hoodle hole, the outer surface of the front end of described adapter is provided with the first draw-in groove of annular, the first described elastic collar to be stuck in the first described draw-in groove and to push down the first described hoodle.
The rear end of described adapter is provided with and the centre bore that be connected coaxial with the second described spliced eye, the aperture of the second described spliced eye is more than or equal to the aperture of described centre bore, described take-off lever coaxially to insert in described centre bore and matches with described centre bore, described adapter can be slid axially along described take-off lever and with described take-off lever synchronous axial system, be provided with the second escapement preventing described adapter from skidding off between the rear end of described adapter and described take-off lever.
The second described escapement comprises interstage sleeve or positioning retainer ring, described interstage sleeve or the coaxial fixed cover of positioning retainer ring are located on the front end of described take-off lever, the inwall of described centre bore is provided with the circular inner hole matched with described interstage sleeve or described positioning retainer ring, skids off described take-off lever to prevent described adapter.
The first described escapement comprises the first elastic collar, the sidewall of the front end of described adapter is provided with the first hoodle hole that at least one is connected with the second described spliced eye, the first hoodle is provided with in the first described hoodle hole, the outer surface of the front end of described adapter is provided with the first draw-in groove of annular, the first described elastic collar to be stuck in the first described draw-in groove and to push down the first described hoodle.
Detent mechanism is provided with, in case spline joint arbitrarily slides on take-off lever between the rear end of described adapter and described take-off lever.
Described detent mechanism comprises the second elastic collar, the sidewall of the rear end of described adapter is provided with the second hoodle hole that at least one is connected with described centre bore, the second hoodle is provided with in the second described hoodle hole, the outer surface of the rear end of described adapter is provided with the second draw-in groove of annular, the second described elastic collar to be stuck in the second described draw-in groove and to push down the second described hoodle, the outer surface of described take-off lever front end is provided with the prelocalization groove matched with the second described hoodle, the outer surface of described take-off lever rear end is provided with the rear detent matched with the second described hoodle, when described adapter is positioned at the axially different position of described take-off lever, the second described hoodle selectively snaps in described prelocalization groove or described rear detent.
Described prelocalization groove is two groups and axially spaced-apart along described take-off lever is arranged, and when described adapter is positioned at the axially different position of described take-off lever, the second described hoodle selectively snaps in the prelocalization groove wherein described in a group.
Compared with prior art, advantage of the present invention is the adapter component owing to take-off lever being provided with for installing different size screwdriver bit, make a screwdriver that the screwdriver bit of two kinds of different sizes (referring to the specification of the connecting portion of screwdriver bit) can be installed, its versatility is good, applied widely, easy to use, also reduce use cost simultaneously; In addition, whole adapter component structure is simple, easy accessibility.
Accompanying drawing explanation
Fig. 1 is the structural representation of screwdriver bit;
Fig. 2 is the use schematic diagram of conventional screwdriver;
Fig. 3 is the using state schematic diagram of the embodiment of the present invention one;
Fig. 4 is the structural representation of the embodiment of the present invention two;
Fig. 5 is one of the embodiment of the present invention three cooperation schematic diagram when using large gauge screwdriver bit;
Fig. 6 is the cooperation schematic diagram two of the embodiment of the present invention three when using large gauge screwdriver bit;
Fig. 7 is one of the embodiment of the present invention three cooperation schematic diagram when using small dimension screwdriver bit;
Fig. 8 is the cooperation schematic diagram two of the embodiment of the present invention three when using small dimension screwdriver bit;
Fig. 9 is the sectional view of the adapter of the embodiment of the present invention three;
Figure 10 is the internal structure schematic diagram of the adapter of the embodiment of the present invention three.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment one: as shown in the figure, a kind of screwdriver bit switching mechanism of screwdriver, comprise take-off lever 2 and the adapter 3 of coaxial setting, the front end of take-off lever 2 is provided with the first spliced eye 23 for grafting screwdriver bit 1, the front end of adapter 3 is provided with the second spliced eye (not marking in figure) for grafting screwdriver bit 1, the bottom of the second spliced eye is fixedly installed the magnet 31 preventing screwdriver bit 1 from getting loose, the rear end of adapter 3 is wholely set dynamic transfer part 32, and power transfering part 32 inserts in the first spliced eye 23.
Embodiment two: as shown in the figure, a kind of screwdriver bit switching mechanism of screwdriver, comprise take-off lever 2 and the adapter 3 of coaxial setting, the front end of take-off lever 2 is provided with the first spliced eye 23 for grafting screwdriver bit 1, the rear end of adapter 3 is wholely set dynamic transfer part 32, power transfering part 32 inserts in the first spliced eye 23, the front end of adapter 3 is provided with the second spliced eye (not marking in figure) for grafting screwdriver bit 1, the first escapement preventing screwdriver bit 1 from getting loose is provided with in second spliced eye, first escapement comprises the first elastic collar 4, the sidewall of the front end of adapter 3 is provided with two centrally axisymmetrical and the first hoodle holes 33 be connected with the second spliced eye, the first hoodle 34 is provided with in first hoodle hole 33, the outer surface of the front end of adapter 3 is provided with the first draw-in groove 35 of annular, first elastic collar 4 to be stuck in the first draw-in groove 35 and to push down the first hoodle 34.
Embodiment three: as shown in the figure, a kind of screwdriver bit switching mechanism of screwdriver, comprise take-off lever 2 and the adapter 3 of coaxial setting, the front end of take-off lever 2 is provided with the first spliced eye 23 for grafting screwdriver bit 1, the front end of adapter 3 is provided with the second spliced eye 36 for grafting screwdriver bit 1, the first escapement preventing screwdriver bit 1 from getting loose is provided with in second spliced eye 36, first escapement comprises the first elastic collar 4, the sidewall of the front end of adapter 3 is provided with two centrally axisymmetrical and the first hoodle holes 33 be connected with the second spliced eye 36, the first hoodle 34 is provided with in first hoodle hole 33, the outer surface of the front end of adapter 3 is provided with the first draw-in groove 35 of annular, first elastic collar 4 to be stuck in the first draw-in groove 35 and to push down the first hoodle 34, the rear end of adapter 3 is provided with and the centre bore 37 that be connected coaxial with the second spliced eye 36, the aperture of the second spliced eye 36 is more than or equal to the aperture of centre bore 37, take-off lever 2 coaxially to insert in centre bore 37 and matches with centre bore 37, adapter 3 can be slid axially along take-off lever 2 and with take-off lever 2 synchronous axial system, the second escapement preventing adapter 3 from skidding off is provided with between the rear end of adapter 3 and take-off lever 2, second escapement comprises interstage sleeve 5, the coaxial fixed cover of interstage sleeve 5 is located on the front end of take-off lever 2, the inwall of centre bore 37 is provided with the circular inner hole 371 matched with interstage sleeve 5, in case spline joint 3 skids off take-off lever 2, detent mechanism is provided with between the rear end of adapter 3 and take-off lever 2, detent mechanism comprises the second elastic collar 6, the sidewall of the rear end of adapter 3 is provided with two centrally axisymmetrical and the second hoodle holes 38 be connected with centre bore 37, the second hoodle 39 is provided with in second hoodle hole 38, the outer surface of the rear end of adapter 3 is provided with the second draw-in groove 30 of annular, second elastic collar 6 to be stuck in the second draw-in groove 30 and to push down the second hoodle 39, the outer surface of take-off lever 2 front end is provided with two groups of axially spaced-aparts along take-off lever 2 to arrange and the prelocalization groove 21 matched with the second hoodle 39, the outer surface of take-off lever 2 rear end is provided with the rear detent 22 matched with the second hoodle 39, when adapter 3 is positioned at the axially different position of take-off lever 2, second hoodle 39 selectively snaps in wherein in one group of prelocalization groove 21 or rear detent 22.
In above-described embodiment three, interstage sleeve 5 also can substitute with positioning retainer ring, and the first escapement also can substitute with magnet ring.
The screwdriver bit switching mechanism of the screwdriver described by above-described embodiment three, when installation connecting portion 200 is small-bore screwdriver bit 1, as long as the connecting portion 200 of screwdriver bit 1 is directly inserted in the first spliced eye 23 of take-off lever 2, then adapter 3 is slided backward, second hoodle 39 is snapped in the rear detent 22 of take-off lever 2, in case spline joint 3 arbitrarily slides on take-off lever 2; When needs installation connecting portion 200 is bigbore screwdriver bit 1, by adapter 3 forward slip, in the prelocalization groove 21 that second hoodle 39 to be snapped on take-off lever 2 foremost, then the connecting portion 200 of screwdriver bit 1 is inserted in the second spliced eye 36 of adapter 3, and block screwdriver bit 1 by the first hoodle 34, drop out adapter 3 to prevent screwdriver bit 1.
Claims (10)
1. the screwdriver bit switching mechanism of a screwdriver, comprise take-off lever, the front end of described take-off lever is provided with the first spliced eye for grafting screwdriver bit, it is characterized in that the adapter component described take-off lever is provided with for installing the screwdriver bit with different size connecting portion, described adapter component comprises the adapter coaxially arranged with described take-off lever, the front end of described adapter is provided with the second spliced eye for grafting screwdriver bit, the first escapement preventing screwdriver bit from getting loose is provided with in the second described spliced eye, the rear end of described adapter is connected with described take-off lever.
2. the screwdriver bit switching mechanism of a kind of screwdriver as claimed in claim 1, is characterized in that the rear end of described adapter is wholely set the power transfering part that coaxially can insert the first spliced eye.
3. the screwdriver bit switching mechanism of a kind of screwdriver as claimed in claim 2, is characterized in that the first described escapement is the magnet be fixedly installed in bottom the second described spliced eye.
4. the screwdriver bit switching mechanism of a kind of screwdriver as claimed in claim 2, it is characterized in that the first described escapement comprises the first elastic collar, the sidewall of the front end of described adapter is provided with the first hoodle hole that at least one is connected with the second described spliced eye, the first hoodle is provided with in the first described hoodle hole, the outer surface of the front end of described adapter is provided with the first draw-in groove of annular, the first described elastic collar to be stuck in the first described draw-in groove and to push down the first described hoodle.
5. the screwdriver bit switching mechanism of a kind of screwdriver as claimed in claim 1, it is characterized in that the rear end of described adapter is provided with and the centre bore that be connected coaxial with the second described spliced eye, the aperture of the second described spliced eye is more than or equal to the aperture of described centre bore, described take-off lever coaxially to insert in described centre bore and matches with described centre bore, described adapter can be slid axially along described take-off lever and with described take-off lever synchronous axial system, the second escapement preventing described adapter from skidding off is provided with between the rear end of described adapter and described take-off lever.
6. the screwdriver bit switching mechanism of a kind of screwdriver as claimed in claim 5, it is characterized in that the second described escapement comprises interstage sleeve or positioning retainer ring, described interstage sleeve or the coaxial fixed cover of positioning retainer ring are located on the front end of described take-off lever, the inwall of described centre bore is provided with the circular inner hole matched with described interstage sleeve or described positioning retainer ring, skids off described take-off lever to prevent described adapter.
7. the screwdriver bit switching mechanism of a kind of screwdriver as claimed in claim 5, it is characterized in that the first described escapement comprises the first elastic collar, the sidewall of the front end of described adapter is provided with the first hoodle hole that at least one is connected with the second described spliced eye, the first hoodle is provided with in the first described hoodle hole, the outer surface of the front end of described adapter is provided with the first draw-in groove of annular, the first described elastic collar to be stuck in the first described draw-in groove and to push down the first described hoodle.
8. the screwdriver bit switching mechanism of a kind of screwdriver as claimed in claim 5, is characterized in that being provided with detent mechanism between the rear end of described adapter and described take-off lever.
9. the screwdriver bit switching mechanism of a kind of screwdriver as claimed in claim 8, it is characterized in that described detent mechanism comprises the second elastic collar, the sidewall of the rear end of described adapter is provided with the second hoodle hole that at least one is connected with described centre bore, the second hoodle is provided with in the second described hoodle hole, the outer surface of the rear end of described adapter is provided with the second draw-in groove of annular, the second described elastic collar to be stuck in the second described draw-in groove and to push down the second described hoodle, the outer surface of described take-off lever front end is provided with the prelocalization groove matched with the second described hoodle, the outer surface of described take-off lever rear end is provided with the rear detent matched with the second described hoodle, when described adapter is positioned at the axially different position of described take-off lever, the second described hoodle selectively snaps in described prelocalization groove or described rear detent.
10. the screwdriver bit switching mechanism of a kind of screwdriver as claimed in claim 9, it is characterized in that described prelocalization groove is two groups and axially spaced-apart along described take-off lever is arranged, when described adapter is positioned at the axially different position of described take-off lever, the second described hoodle selectively snaps in the prelocalization groove wherein described in a group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639449.7A CN105171666B (en) | 2015-09-30 | 2015-09-30 | A kind of screwdriver bit switching mechanism of screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639449.7A CN105171666B (en) | 2015-09-30 | 2015-09-30 | A kind of screwdriver bit switching mechanism of screwdriver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105171666A true CN105171666A (en) | 2015-12-23 |
| CN105171666B CN105171666B (en) | 2017-06-23 |
Family
ID=54894334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510639449.7A Active CN105171666B (en) | 2015-09-30 | 2015-09-30 | A kind of screwdriver bit switching mechanism of screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105171666B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108372485A (en) * | 2018-02-22 | 2018-08-07 | 南京久驰机电实业有限公司 | A kind of multi-functional output mechanism of electric tool |
| CN109676361A (en) * | 2018-12-20 | 2019-04-26 | 大连长丰实业总公司 | It is a kind of to be cut a conversion equipment with defencive function |
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| JPH08174440A (en) * | 1994-12-27 | 1996-07-09 | Tachi S Co Ltd | Bit cover |
| CN2690118Y (en) * | 2003-11-24 | 2005-04-06 | 神基科技股份有限公司 | Electric opener combined structure with receiving sleeve |
| CN2740356Y (en) * | 2004-09-06 | 2005-11-16 | 谢智庆 | Linked sleeve structure |
| CN200998854Y (en) * | 2007-01-09 | 2008-01-02 | 包哲尧 | Locking mechanism for pneumatic screwdriver tool head |
| CN201052606Y (en) * | 2007-05-11 | 2008-04-30 | 叶顺义 | Electric screwdriver combination tool |
| CN201559156U (en) * | 2009-11-23 | 2010-08-25 | 曾燕铃 | Connection rod device capable of assisting location of fastening component |
| CN205033140U (en) * | 2015-09-30 | 2016-02-17 | 宁波市创佳工业设计有限公司 | First shifter of wholesale of screwdriver |
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2015
- 2015-09-30 CN CN201510639449.7A patent/CN105171666B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2187522Y (en) * | 1993-12-13 | 1995-01-18 | 林益奖 | Improved structure sleeve joint of wrench |
| JPH08174440A (en) * | 1994-12-27 | 1996-07-09 | Tachi S Co Ltd | Bit cover |
| CN2690118Y (en) * | 2003-11-24 | 2005-04-06 | 神基科技股份有限公司 | Electric opener combined structure with receiving sleeve |
| CN2740356Y (en) * | 2004-09-06 | 2005-11-16 | 谢智庆 | Linked sleeve structure |
| CN200998854Y (en) * | 2007-01-09 | 2008-01-02 | 包哲尧 | Locking mechanism for pneumatic screwdriver tool head |
| CN201052606Y (en) * | 2007-05-11 | 2008-04-30 | 叶顺义 | Electric screwdriver combination tool |
| CN201559156U (en) * | 2009-11-23 | 2010-08-25 | 曾燕铃 | Connection rod device capable of assisting location of fastening component |
| CN205033140U (en) * | 2015-09-30 | 2016-02-17 | 宁波市创佳工业设计有限公司 | First shifter of wholesale of screwdriver |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108372485A (en) * | 2018-02-22 | 2018-08-07 | 南京久驰机电实业有限公司 | A kind of multi-functional output mechanism of electric tool |
| CN108372485B (en) * | 2018-02-22 | 2023-06-06 | 南京久驰机电实业有限公司 | Multifunctional output mechanism of electric tool |
| CN109676361A (en) * | 2018-12-20 | 2019-04-26 | 大连长丰实业总公司 | It is a kind of to be cut a conversion equipment with defencive function |
| CN109676361B (en) * | 2018-12-20 | 2021-04-20 | 大连长丰实业总公司 | Tool bit changing conversion device with protection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105171666B (en) | 2017-06-23 |
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Address after: 502, room 315040, Feng Ting building (5-1), creative Plaza, Ningbo, Ningbo, 375 Jiangdong North Road, Zhejiang, China Applicant after: NINGBO CHUANGJIA INDUSTRIAL DESIGN CO., LTD. Address before: 9-8, room 1, building 315040, Hi Tech Plaza, 1498 Jiangnan Road, hi tech Zone, Zhejiang, Ningbo Applicant before: NINGBO CHUANGJIA INDUSTRIAL DESIGN CO., LTD. |
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Effective date of registration: 20201218 Address after: 235200 YONGGU Light Chemical Industrial Park, Xiaoxian County, Suzhou City, Anhui Province Patentee after: ANHUI XINDALU SPECIAL PAINT Co.,Ltd. Address before: Room 502, Fengting building (5-1), Ningbo Hefeng creative Plaza, 375 Jiangdong North Road, Ningbo, Zhejiang Province Patentee before: NINGBO CHUANGJIA INDUSTRIAL DESIGN Co.,Ltd. |
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