CN105171666B - A kind of screwdriver bit switching mechanism of screwdriver - Google Patents
A kind of screwdriver bit switching mechanism of screwdriver Download PDFInfo
- Publication number
- CN105171666B CN105171666B CN201510639449.7A CN201510639449A CN105171666B CN 105171666 B CN105171666 B CN 105171666B CN 201510639449 A CN201510639449 A CN 201510639449A CN 105171666 B CN105171666 B CN 105171666B
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- China
- Prior art keywords
- lever
- adapter
- take
- screwdriver
- hoodle
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a kind of screwdriver bit switching mechanism of screwdriver, including take-off lever, the front end of take-off lever is provided with the first spliced eye for grafting screwdriver bit, feature is that the adapter component for installing the screwdriver bit with different size connecting portion is provided with take-off lever, adapter component includes the adapter being coaxially disposed with take-off lever, the front end of adapter is provided with the second spliced eye for grafting screwdriver bit, the first escapement for preventing screwdriver bit from releasing is provided with second spliced eye, the rear end of adapter is connected with take-off lever；Advantage is due to being provided with the adapter component for installing different size screwdriver bit on take-off lever so that one can install two kinds of different sizes screwdriver（Refer to the specification of connecting portion）Screwdriver bit, its versatility is good, applied widely, easy to use, while also reducing use cost.
Description
Technical field
Instrument the present invention relates to be used for the turn of the screw, nut etc., more particularly to a kind of screwdriver screwdriver bit switching mechanism.
Background technology
Screwdriver is a kind of common tool for the turn of the screw, nut, and it generally is equipped with various screws of different shapes
Screwdriver bit, with suitable for different types of screw, nut.Screwdriver bit 1 is general by transfer part 100 and two parts group of connecting portion 200
Into because the size specification of screw, nut is a lot, when the turn of the screw in the deep screw hole of the small depth of some bores is needed, especially
Be some small household appliances, toy for children etc. above assembling screw when, it needs the tiny screwdriver bit of diameter just to stretch into screw hole
In carry out the turn of the screw operation.Screwdriver bit its connecting portion 200 on the market at present（I.e. with the coupling part of take-off lever 2 of screwdriver）
Bore typically have several different specifications, such as 6.3mm series, 4mm series, and one can only fill a kind of specification screwdriver（Refer to
The specification of connecting portion 200）Screwdriver bit, its versatility is bad, when needing in different places the turn of the screw, in particular for
In the big small-bore hole for differing greatly when the turn of the screw, nut, it is necessary to prepare two even more screwdrivers, not using only fiber crops
It is tired, also improve use cost.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of screwdriver bit conversion of good, the easy to use screwdriver of versatility
Mechanism.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of screwdriver bit switching mechanism of screwdriver, bag
Take-off lever is included, the front end of described take-off lever is provided with the first spliced eye for grafting screwdriver bit, on described take-off lever
Be provided with the adapter component for installing the screwdriver bit with different size connecting portion, described adapter component include with
The adapter that described take-off lever is coaxially disposed, the front end of described adapter is provided with inserts for the second of grafting screwdriver bit
Hole is connect, the first escapement for preventing screwdriver bit from releasing is provided with the second described spliced eye, after described adapter
End is connected with described take-off lever.
The rear end of described adapter is wholely set the power transfering part that can be co-axially inserted the first spliced eye.
The first described escapement is the magnet being fixedly installed in the second described spliced eye bottom.
The first described escapement includes the first elastic collar, be provided with the side wall of the front end of described adapter to
Few first hoodle hole being connected with the second described spliced eye, the first hoodle is provided with the first described hoodle hole,
The first draw-in groove of annular is provided with the outer surface of the front end of described adapter, the first described elastic collar is stuck in described
In first draw-in groove and push down the first described hoodle.
The rear end of described adapter is provided with centre bore that is coaxial with the second described spliced eye and being connected, described
The aperture of centre bore of the aperture of the second spliced eye more than or equal to described in, described take-off lever is co-axially inserted in described centre bore
And match with described centre bore so that described adapter can be slid axially along described take-off lever and with described output
Bar synchronous axial system, is provided with prevent described adapter from skidding off the between the rear end of described adapter and described take-off lever
Two escapements.
The second described escapement includes interstage sleeve or positioning retainer ring, and coaxially fixation is arranged for described interstage sleeve or positioning retainer ring
On the front end of described take-off lever, it is provided with and described interstage sleeve or described positioning retainer ring on the inwall of described centre bore
The circular inner hole for matching, to prevent described adapter from skidding off described take-off lever.
The first described escapement includes the first elastic collar, be provided with the side wall of the front end of described adapter to
Few first hoodle hole being connected with the second described spliced eye, the first hoodle is provided with the first described hoodle hole,
The first draw-in groove of annular is provided with the outer surface of the front end of described adapter, the first described elastic collar is stuck in described
In first draw-in groove and push down the first described hoodle.
Detent mechanism is provided between the rear end of described adapter and described take-off lever, in case rotation stop joint is in output
Arbitrarily slided on bar.
Described detent mechanism includes the second elastic collar, and at least one is provided with the side wall of the rear end of described adapter
Individual the second hoodle hole being connected with described centre bore, is provided with the second hoodle in the second described hoodle hole, described turns
The second draw-in groove of annular is provided with the outer surface of the rear end of joint, the second described elastic collar is stuck in the second described draw-in groove
In and push down the second described hoodle, be provided with the outer surface of described take-off lever front end and matched with the second described hoodle
Prelocalization groove, be provided with the outer surface of described output rod rear end recessed with the rear positioning that the second described hoodle matches
Groove, when described adapter is located at the axially different position of described take-off lever, the second described hoodle is selectively snapped in
In described prelocalization groove or described rear detent.
Described prelocalization groove is that two groups and the axially spaced-apart along described take-off lever are set, when described adapter position
When the axially different position of described take-off lever, the second described hoodle selectively snaps in the prelocalization described in one of which
In groove.
Compared with prior art, it is an advantage of the invention that due to being provided with take-off lever for installing different size screwdriver
The adapter component of head so that one can install two kinds of different sizes screwdriver（Refer to the specification of the connecting portion of screwdriver bit）Spiral shell
Silk screwdriver bit, its versatility is good, applied widely, easy to use, while also reducing use cost；Additionally, whole adapter group
Part simple structure, convenient disassembly.
Brief description of the drawings
Fig. 1 is the structural representation of screwdriver bit；
Fig. 2 is the use schematic diagram of conventional screwdriver；
Fig. 3 is the use 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 cooperation schematic diagram of the embodiment of the present invention three when using big specification screwdriver bit；
Fig. 6 is the two of cooperation schematic diagram of the embodiment of the present invention three when using big specification screwdriver bit；
Fig. 7 is one of the cooperation schematic diagram of the embodiment of the present invention three when using small dimension screwdriver bit；
Fig. 8 is the two of cooperation schematic diagram 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.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one：As illustrated, a kind of screwdriver bit switching mechanism of screwdriver, including the take-off lever 2 being coaxially disposed and turn
Joint 3, the front end of take-off lever 2 is provided with the first spliced eye 23 for grafting screwdriver bit 1, and the front end of adapter 3 is provided with
For the second spliced eye of grafting screwdriver bit 1（Do not marked in figure）, the bottom of the second spliced eye is fixedly installed and prevents screw
The magnet 31 that screwdriver bit 1 is released, the rear end of adapter 3 is wholely set dynamic transfer part 32, and the insertion of power transfering part 32 first is inserted
In connecing hole 23.
Embodiment two：As illustrated, a kind of screwdriver bit switching mechanism of screwdriver, including the take-off lever 2 being coaxially disposed and turn
Joint 3, the front end of take-off lever 2 is provided with the first spliced eye 23 for grafting screwdriver bit 1, and the rear end of adapter 3 integrally sets
Power transfering part 32 is equipped with, power transfering part 32 is inserted in the first spliced eye 23, and the front end of adapter 3 is provided with for grafting spiral shell
Second spliced eye of silk screwdriver bit 1（Do not marked in figure）, the first anticreep for preventing screwdriver bit 1 from releasing is provided with the second spliced eye
Mechanism, the first escapement includes the first elastic collar 4, and two are provided with the side wall of the front end of adapter 3 along central axis
The first hoodle hole 33 that is symmetrical and being connected with the second spliced eye, the first hoodle 34, adapter 3 are provided with the first hoodle hole 33
Front end outer surface on be provided with the first draw-in groove 35 of annular, the first elastic collar 4 is stuck in the first draw-in groove 35 and pushes down the
One hoodle 34.
Embodiment three：As illustrated, a kind of screwdriver bit switching mechanism of screwdriver, including the take-off lever 2 being coaxially disposed and turn
Joint 3, the front end of take-off lever 2 is provided with the first spliced eye 23 for grafting screwdriver bit 1, and the front end of adapter 3 is provided with
For the second spliced eye 36 of grafting screwdriver bit 1, prevent screwdriver bit 1 from releasing first is provided with the second spliced eye 36 and is prevented
Release mechanism, the first escapement includes the first elastic collar 4, and two are provided with the side wall of the front end of adapter 3 along central shaft
Line is symmetrical and the first hoodle hole 33 for being connected with the second spliced eye 36, and the first hoodle 34 is provided with the first hoodle hole 33, turns
The first draw-in groove 35 of annular is provided with the outer surface of the front end of joint 3, the first elastic collar 4 is stuck in the first draw-in groove 35 and presses
Firmly the first hoodle 34, the rear end of adapter 3 is provided with centre bore 37 that is coaxial with the second spliced eye 36 and being connected, the second grafting
The aperture in hole 36 more than or equal to centre bore 37 aperture, take-off lever 2 be co-axially inserted in centre bore 37 and with the phase of centre bore 37
Match somebody with somebody so that adapter 3 can be slid axially along take-off lever 2 and with the synchronous axial system of take-off lever 2, the rear end of adapter 3 and take-off lever 2 it
Between be provided with the second escapement for preventing adapter 3 from skidding off, the second escapement includes interstage sleeve 5, and coaxially fixation is arranged interstage sleeve 5
On the front end of take-off lever 2, the circular inner hole 371 matched with interstage sleeve 5 is provided with the inwall of centre bore 37, in case rotation stop connects
First 3 skid off take-off lever 2, and detent mechanism is provided between the rear end of adapter 3 and take-off lever 2, and detent mechanism includes the second elasticity
Collar 6, is provided with two the second bullets that are symmetrical along central axis and being connected with centre bore 37 on the side wall of the rear end of adapter 3
The hole of bead 38, the second hoodle 39 is provided with the second hoodle hole 38, and the second of annular is provided with the outer surface of the rear end of adapter 3
Draw-in groove 30, the second elastic collar 6 is stuck in the second draw-in groove 30 and pushes down the second hoodle 39, is set on the outer surface of the front end of take-off lever 2
It is equipped with the prelocalization groove 21 that two groups of axially spaced-aparts along take-off lever 2 set and match with the second hoodle 39, the rear end of take-off lever 2
Outer surface on be provided with the rear detent 22 matched with the second hoodle 39, when adapter 3 be located at take-off lever 2 it is not coaxial
During to position, the second hoodle 39 is selectively snapped in one of which prelocalization groove 21 or rear detent 22.
In above-described embodiment three, interstage sleeve 5 can also be substituted with positioning retainer ring, and the first escapement can also be substituted with magnet ring.
The screwdriver bit switching mechanism of the screwdriver described by above-described embodiment three, is small-bore spiral shell when connecting portion 200 is installed
During silk screwdriver bit 1, as long as the connecting portion 200 of screwdriver bit 1 is directly inserted into the first spliced eye 23 of take-off lever 2, so
Adapter 3 is slided backward afterwards, in the second hoodle 39 is snapped in the rear detent 22 of take-off lever 2, in case rotation stop joint 3 is defeated
Arbitrarily slided on rod 2；When it is bigbore screwdriver bit 1 to need to install connecting portion 200, the forward slip of adapter 3 makes
Second hoodle 39 is snapped in the prelocalization groove 21 on take-off lever 2 foremost, is then inserted the connecting portion 200 of screwdriver bit 1
In second spliced eye 36 of adapter 3, and screwdriver bit 1 is blocked by the first hoodle 34, to prevent screwdriver bit 1 from dropping out switching
First 3.
Claims (6)
1. a kind of screwdriver bit switching mechanism of screwdriver, including take-off lever, the front end of described take-off lever is provided with for grafting spiral shell
First spliced eye of silk screwdriver bit, is provided with described take-off lever for installing the screwdriver bit with different size connecting portion
Adapter component, described adapter component includes the adapter being coaxially disposed with described take-off lever, described adapter
Front end is provided with the second spliced eye for grafting screwdriver bit, and being provided with the second described spliced eye prevents screwdriver bit pine
The first de- escapement, the rear end of described adapter is connected with described take-off lever, it is characterised in that：Described switching
The rear end of head is provided with centre bore that is coaxial with the second described spliced eye and being connected, and the aperture of the second described spliced eye is big
In the aperture equal to described centre bore, described take-off lever be co-axially inserted in described centre bore and with described centre bore phase
Matching so that described adapter can be slid axially along described take-off lever and with described take-off lever synchronous axial system, it is described
The second escapement for preventing described adapter from skidding off is provided between the rear end of adapter and described take-off lever.
2. a kind of screwdriver bit switching mechanism of screwdriver as claimed in claim 1, it is characterised in that the second described escapement
Including interstage sleeve or positioning retainer ring, coaxially fixation is set on the front end of described take-off lever for described interstage sleeve or positioning retainer ring, institute
The circular inner hole matched with described interstage sleeve or described positioning retainer ring is provided with the inwall of the centre bore stated, to prevent
The adapter stated skids off described take-off lever.
3. a kind of screwdriver bit switching mechanism of screwdriver as claimed in claim 1, it is characterised in that the first described escapement
Including the first elastic collar, at least one is provided with the second described spliced eye phase on the side wall of the front end of described adapter
First hoodle hole of connection, is provided with the first hoodle in the first described hoodle hole, the outer surface of the front end of described adapter
On be provided with the first draw-in groove of annular, the first described elastic collar is stuck in the first described draw-in groove and pushes down described first
Hoodle.
4. a kind of screwdriver bit switching mechanism of screwdriver as claimed in claim 1, it is characterised in that the rear end of described adapter
Detent mechanism is provided between described take-off lever.
5. the screwdriver bit switching mechanism of a kind of screwdriver as claimed in claim 4, it is characterised in that described detent mechanism includes
Second elastic collar, be provided with the side wall of the rear end of described adapter at least one be connected with described centre bore
Two hoodle holes, are provided with the second hoodle in the second described hoodle hole, be provided with the outer surface of the rear end of described adapter
Second draw-in groove of annular, the second described elastic collar is stuck in the second described draw-in groove and pushes down the second described hoodle, institute
The prelocalization groove matched with the second described hoodle, described take-off lever are provided with the outer surface of the take-off lever front end stated
The rear detent matched with the second described hoodle is provided with the outer surface of rear end, when described adapter is positioned at described
Take-off lever axially different position when, the second described hoodle selectively snap in described prelocalization groove or it is described after
In detent.
6. the screwdriver bit switching mechanism of a kind of screwdriver as claimed in claim 5, it is characterised in that described prelocalization groove is
Two groups and the axially spaced-apart along described take-off lever are set, when described adapter is located at the axially different position of described take-off lever
When putting, the second described hoodle is selectively snapped in the prelocalization groove described in one of which.
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 CN105171666A (en) | 2015-12-23 |
| CN105171666B true CN105171666B (en) | 2017-06-23 |
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| 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 |
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| Country | Link |
|---|---|
| CN (1) | CN105171666B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (7)
| 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 |
| JP3478626B2 (en) * | 1994-12-27 | 2003-12-15 | 株式会社タチエス | 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 |
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2015
- 2015-09-30 CN CN201510639449.7A patent/CN105171666B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| Publication number | Publication date |
|---|---|
| CN105171666A (en) | 2015-12-23 |
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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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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
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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| TR01 | Transfer of patent right |