CN105666390A - Anti-sliding and labor-saving screwdriver and auxiliary device of screwdriver - Google Patents
Anti-sliding and labor-saving screwdriver and auxiliary device of screwdriver Download PDFInfo
- Publication number
- CN105666390A CN105666390A CN201610249130.8A CN201610249130A CN105666390A CN 105666390 A CN105666390 A CN 105666390A CN 201610249130 A CN201610249130 A CN 201610249130A CN 105666390 A CN105666390 A CN 105666390A
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- CN
- China
- Prior art keywords
- screwdriver
- tight
- thread part
- screw
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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
- B25B15/00—Screwdrivers
- B25B15/02—Screwdrivers operated by rotating the handle
-
- 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
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to an anti-sliding and labor-saving screwdriver and an auxiliary device of the screwdriver, and belongs to the field of manual and mechanical tools. The screwdriver consists of a screwdriver rod body, a screwdriver head, a handheld part, an outer threaded part and a tight pocketing part, wherein the outer threaded part and the tight pocketing part are arranged on the screwdriver rod body. The auxiliary device consists of the outer threaded part and the tight pocketing part, wherein an inner threaded part and a tight pocketing head part are further arranged on the tight pocketing part. When the anti-sliding and labor-saving screwdriver is used, the distance between the screwdriver head and the tight pocketing head part can be adjusted through the tight pocketing part by screwing the inner threaded part around the outer threaded part, and then a screw head can be solidly clamped between the screwdriver head and the tight pocketing head part without shaking. Therefore, both the screw head and the screwdriver head can be prevented from sliding, screws can be saved, thrust for driving the screws can be greatly reduced, and the screwing quality can be ensured. The anti-sliding and labor-saving screwdriver is widely applied to various electronic and pneumatic screwdrivers and screwdrivers with other power sources.
Description
Technical field
The present invention relates to a kind of anti-slip thread and the auxiliary device of labour-saving screwdriver and screwdriver, belong to manual and machining tools art.
Background technology
Screwdriver on the market at present, when fastening screw, it is necessary to the extra strength applying to prevent driver bit from slipping from screw ailhead upper grooves, if strength will result in stripped thread not, not only requires great effort but also cause many troubles.
Summary of the invention
The present invention provides a kind of anti-slip thread and the auxiliary device of labour-saving screwdriver and screwdriver, overcomes above-mentioned drawback, it is possible to prevent stripped thread, economizes screw laborsaving again, is widely used in manually, electrically, the screwdriver of pneumatic or other power sources.
One anti-slip thread of the present invention and labour-saving screwdriver, it is made up of the screwdriver body of rod 1, driver bit 2, Handheld Division 3, the external thread part 4 being located on the body of rod 1 and the tight portion 5 of pocket, it is characterized in that: 1. be additionally provided with internal thread part 51 in the tight portion 5 of pocket, the external screw thread of the external thread part 4 on the female thread of internal thread part 51 and the body of rod 1 is mutually matched, it is possible to screw on external thread part 4; 2. being additionally provided with the tight head 52 of pocket in the tight portion of pocket 5, the tight head of pocket 52 is used to pocket tight screw ailhead 6 bottom; 3. the effect arranging internal thread part 51 in the tight portion of pocket 5 is: the tight portion of pocket 5 screws the distance of set screw jet blade 2 and the tight head 52 of pocket by its internal thread part 51 around external thread part 4, screw ailhead 6 can be made firmly to be stuck between driver bit 2 and the tight head 52 of pocket, and driver bit 2 can be made tightly to withstand the groove on screw ailhead 6 top. Handheld Division 3 mentioned here both may refer to hand screwdriver handle, it is also possible to refers to the fuselage of the screwdriver of electronic, pneumatic or other power sources.
The tight portion of pocket 5 of above-mentioned screwdriver may be arranged such that the 1. tight heads 52 of pocket are by connecting portion 53 and internal thread part 51 pivot joint; 2. the tight head 52 of pocket is provided with V-type draw-in groove; 3. by around pivoting adjustment pocket tight head 52 angle, making the V-type draw-in groove of the tight head 52 of pocket tightly block screw ailhead 6 bottom.
The tight portion of pocket 5 of above-mentioned screwdriver can also be arranged to: 1. the tight head of pocket 52 is configured to a pair or multiple chuck of fixture;2. each chuck is connected with internal thread part 51 by respective connecting portion 53; 3. each chuck and respective connecting portion 53 be configured to can the fixture of folding, its effect is: when applying grip force, and each chuck can common clamping screw nail ailhead 6 bottom.
It is additionally provided with external screw thread 54 on the pocket tight portion 5:1. internal thread part 51 of the screwdriver described in the preceding paragraph; 2. and be provided with force section 55, force section 55 is provided with the female thread matched with external screw thread 54, and force section 55 can screw around internal thread part 51; 3. by screwing force section 55, make force section 55 hold out against the extension of each connecting portion 53 or each connecting portion 53, fixture is applied grip force and tightly clamps screw ailhead 6 bottom.
The first screwdriver above-mentioned, its external thread part 4 can adopt integrated fixing connection with the screwdriver body of rod 1. External thread part 4 can also adopt the detachable of non-integral to be connected with the screwdriver body of rod 1, is connected with the screwdriver body of rod 1 with locking device, can also unclamp locking device, it taken off from the screwdriver body of rod 1 when not using. Detachable connection is adopted to be advantageous in that: after driver bit 2 stripped thread, the screwdriver body of rod 1 or driver bit 2 damage, in that context it may be convenient to change the screwdriver body of rod 1 and driver bit 2 and/or Handheld Division 3 that connect together.
Having any to need clarification, in major part occasion, people are usually referred to as driver bit the screwdriver body of rod 1 connected together and driver bit 2, particularly on the internet.
The invention still further relates to a kind of auxiliary device for screwdriver, be made up of the tight portion 5 of external thread part 4 and pocket. With all kinds of screwdrivers with the use of time, the external thread part 4 of this auxiliary device can adopt integrated fixing connection with the screwdriver body of rod 1; The detachable connection of non-integral can also be adopted, be connected with the screwdriver body of rod 1 with locking device, locking device can also be unclamped when not using, it is taken off from the screwdriver body of rod 1.
What the screwdriver body of rod 1 mentioned here not only included fixing the screwdriver body of rod, also include the screwdriver body of rod replaceable, dismountable (such as: the electric screw driver body of rod replaceable, dismountable, and it is directly called power driven screwdriver bit on how many occasions).
The tight portion 5 of pocket is provided with the external screw thread of internal thread part 51, the female thread of internal thread part 51 and external thread part 4 and is mutually matched, it is possible to screw on external thread part 4.
Being additionally provided with the tight head 52 of pocket in the tight portion of pocket 5, the tight head of pocket 52 is used to pocket tight screw ailhead 6 bottom.
The effect arranging internal thread part 51 in the tight portion of pocket 5 is: the tight portion of pocket 5 screws the distance of set screw jet blade 2 and the tight head 52 of pocket by its internal thread part 51 around external thread part 4, screw ailhead 6 can be made firmly to be stuck between driver bit 2 and the tight head 52 of pocket, and driver bit 2 can be made tightly to withstand the groove on screw ailhead 6 top.
Can axially offering hole at external thread part 4, the screwdriver body of rod 1 can pierce into this hole and be enclosed in this hole.
Can be hinged the internal thread part 51 in tight for pocket portion 5 and pocket tight portion 5 main body connected mode.
The auxiliary device of above-mentioned screwdriver can also manual with existing or various power the screwdriver body of rod adopt standard interface be connected, with existing screwdriver with the use of, it is more widely applied.
Use the auxiliary device of above-mentioned screwdriver or screwdriver, screw ailhead 6 can be made firmly to be stuck between driver bit 2 and the tight head 52 of pocket substantially can not rock, and overcome use normal screws cutter screw when just tightening up a screw can go up the askew or disadvantage that skews, when the most of interlude tightened up a screw, can without thrust only with revolving force, simply when the end tightened up a screw, need to screw after external thread part 4 loosens and remove the tight portion 5 of pocket, needing to complete by existing method, whole process of tightening up a screw does not bother.Therefore both it had been possible to prevent screw ailhead stripped thread, had been possible to prevent again driver bit stripped thread, and economized screw, greatly reduce again required thrust when tightening up a screw, in turn ensure that quality.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of a specific embodiment of screwdriver of the present invention.
Fig. 2 is the perspective exploded view of Fig. 1.
Fig. 3 is the structural representation of another specific embodiment of screwdriver of the present invention.
Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram of Fig. 3.
Fig. 5 is the present invention schematic perspective view for a specific embodiment of the auxiliary device of screwdriver.
Fig. 6 is the perspective exploded view of Fig. 5.
Fig. 7 be Fig. 5 and embodiment illustrated in fig. 6 for screwdriver auxiliary device and hand screwdriver with the use of the schematic perspective view of a specific embodiment.
Fig. 8 be Fig. 5 and embodiment illustrated in fig. 6 for screwdriver auxiliary device and the electric screw driver body of rod replaceable, dismountable with the use of the schematic perspective view of a specific embodiment.
Fig. 9 is the present invention schematic perspective view for another specific embodiment of the auxiliary device of screwdriver.
Detailed description of the invention
Technical scheme is elaborated by specific embodiment further that provide below in conjunction with accompanying drawing.
Shown in Fig. 1 and Fig. 2 is a specific embodiment of a kind of anti-slip thread of the present invention and labour-saving screwdriver.
The screwdriver of the present embodiment, is made up of the screwdriver body of rod 1, Philips-type screwdriver bit 2, cylindrical Handheld Division 3, the external thread part 4 being fixedly arranged on the body of rod 1 and the tight portion 5 of pocket.
The external screw thread of the external thread part 4 that top, pocket tight portion 5 is additionally provided with on internal thread part 51, the female thread of internal thread part 51 and the body of rod 1 is mutually matched, it is possible to screw on external thread part 4.
The tight portion of pocket 5 is additionally provided with the tight head 52 of pocket, the tight head 52 of pocket is by connecting portion 53 and internal thread part 51 pivot joint, the tight head 52 of pocket is provided with V-type draw-in groove, by around pivoting adjustment pocket tight head 52 angle, making the V-type draw-in groove of the tight head 52 of pocket tightly block, catch screw ailhead 6 bottom.
The tight portion of pocket 5 screws the distance regulating Philips-type screwdriver bit 2 with the tight head 52 of pocket by its internal thread part 51 around external thread part 4, screw ailhead 6 can be made firmly to be stuck between Philips-type screwdriver bit 2 and the tight head 52 of pocket, and driver bit 2 can be made tightly to withstand the cross recess on screw ailhead 6 top.
Shown in Fig. 3 and Fig. 4 is another specific embodiment of a kind of anti-slip thread of the present invention and labour-saving screwdriver.
Dotted line in Fig. 4 represents the female thread of different parts respectively.
The screwdriver of the present embodiment, is made up of the screwdriver body of rod 1, minus screw jet blade 2, cylindrical Handheld Division 3, the external thread part 4 being fixedly arranged on the body of rod 1 and the tight portion 5 of pocket.
The external screw thread of the external thread part 4 being additionally provided with on internal thread part 51, the female thread of internal thread part 51 and the body of rod 1 in the tight portion 5 of pocket is mutually matched, it is possible to screw on external thread part 4.
Being additionally provided with the tight head 52 of pocket in the tight portion of pocket 5, the tight head 52 of pocket is configured to a pair chuck of fixture, and each chuck is hinged by respective connecting portion 53 and internal thread part 51, and each chuck and respective connecting portion 53 are configured to can the fixture of folding.
Place outside the part of the internal thread part 51 in the tight portion 5 of pocket and be additionally provided with external screw thread 54; The tight portion 5 of pocket is additionally provided with force section 55, and force section 55 is provided with the female thread matched with external screw thread 54, and force section 55 can screw around internal thread part 51; By screwing force section 55, make force section 55 hold out against the extension of each connecting portion 53, fixture is applied grip force and tightly clamps screw ailhead 6 bottom.
The tight portion of pocket 5 screws the distance regulating minus screw jet blade 2 with the tight head 52 of pocket by its internal thread part 51 around external thread part 4, screw ailhead 6 can be made firmly to be stuck between minus screw jet blade 2 and the tight head 52 of pocket, and driver bit 2 can be made tightly to withstand the yi word pattern groove on screw ailhead 6 top.
Shown in Fig. 5 and Fig. 6 is a present invention specific embodiment for the auxiliary device of screwdriver.
Fig. 7 be Fig. 5 and embodiment illustrated in fig. 6 for screwdriver auxiliary device and the hand screwdriver body of rod with the use of the schematic perspective view of a specific embodiment. What illustrate is that the auxiliary device of this screwdriver can apply to hand screwdriver field.
Fig. 8 be Fig. 5 and embodiment illustrated in fig. 6 for screwdriver auxiliary device and the electric screw driver body of rod replaceable, dismountable with the use of the schematic perspective view of a specific embodiment. What illustrate is that the auxiliary device of this screwdriver can apply to electric screw driver field.
The auxiliary device for screwdriver of the present embodiment, is made up of the tight portion 5 of external thread part 4 and pocket.
With all kinds of screwdrivers with the use of time, what the present embodiment adopted with the screwdriver body of rod 1 for the external thread part 4 of auxiliary device of screwdriver is that the detachable of non-integral is connected, hole is axially offered at external thread part 4, the screwdriver body of rod 1 can pierce into this hole and be enclosed in this hole, and offer two primary screw holes in external thread part 4 upper side symmetry, in two primary screw holes, tighten primary screw, make external thread part 4 be connected with the screwdriver body of rod 1. Primary screw can also be unclamped when not using, it is taken off from the screwdriver body of rod 1.
What the screwdriver body of rod 1 mentioned here not only included fixing the screwdriver body of rod, also include the screwdriver body of rod replaceable, dismountable (such as: the electric screw driver body of rod replaceable, dismountable, and it is directly called power driven screwdriver bit on how many occasions).
The tight portion 5 of pocket is provided with internal thread part 51, and internal thread part 51 is hinged with pocket tight portion 5 main body, and the external screw thread of the female thread of internal thread part 51 and external thread part 4 is mutually matched, it is possible to screw on external thread part 4.
Being additionally provided with the tight head 52 of pocket in the tight portion of pocket 5, the tight head of pocket 52 is used to pocket tight screw ailhead 6 bottom.
The effect arranging internal thread part 51 in the tight portion of pocket 5 is: the tight portion of pocket 5 screws the distance of set screw jet blade 2 and the tight head 52 of pocket by its internal thread part 51 around external thread part 4, screw ailhead 6 can be made firmly to be stuck between driver bit 2 and the tight head 52 of pocket, and driver bit 2 can be made tightly to withstand the groove on screw ailhead 6 top.
The present embodiment for screwdriver auxiliary device can manual with existing or various power the screwdriver body of rod adopt standard interface be connected, with existing screwdriver with the use of rear, both screw ailhead stripped thread it had been possible to prevent, it is possible to prevent again driver bit stripped thread, economize screw, greatly reduce again required thrust when tightening up a screw.
Shown in Fig. 9 is the present invention another specific embodiment for the auxiliary device of screwdriver.
The present embodiment, for the auxiliary device of screwdriver, is made up of the tight portion 5 of external thread part 4 and pocket.
With all kinds of screwdrivers with the use of time, the present embodiment is integrally welded with the screwdriver body of rod 1 for the external thread part 4 of the auxiliary device of screwdriver.
What the screwdriver body of rod 1 mentioned here not only included fixing the screwdriver body of rod, also include the screwdriver body of rod replaceable, dismountable (such as: the electric screw driver body of rod replaceable, dismountable, and it is directly called power driven screwdriver bit on how many occasions).
The tight portion 5 of pocket is provided with internal thread part 51, and internal thread part 51 is hinged with pocket tight portion 5 main body, and the external screw thread of the female thread of internal thread part 51 and external thread part 4 is mutually matched, it is possible to screw on external thread part 4.
Being additionally provided with the tight head 52 of pocket in the tight portion of pocket 5, the tight head of pocket 52 is used to pocket tight screw ailhead 6 bottom.
The effect arranging internal thread part 51 in the tight portion of pocket 5 is: the tight portion of pocket 5 screws the distance of set screw jet blade 2 and the tight head 52 of pocket by its internal thread part 51 around external thread part 4, screw ailhead 6 can be made firmly to be stuck between driver bit 2 and the tight head 52 of pocket, and driver bit 2 can be made tightly to withstand the groove on screw ailhead 6 top.
Use the screwdriver of above-mentioned specific embodiment or the auxiliary device of screwdriver, when fastening screw, need not additionally apply the strength preventing driver bit from slipping from screw ailhead upper grooves, both screw ailhead stripped thread it had been possible to prevent, it is possible to prevent again driver bit stripped thread, economize screw, greatly reduce again required thrust when tightening up a screw.
Particular embodiments described above is some embodiments of the present invention; not the present invention is done any pro forma restriction; other variant and remodeling is also had under the premise without departing from the technical scheme described in claim; the analog structure of every employing present invention and change thereof, all should list protection scope of the present invention in.
Claims (8)
1. an anti-slip thread and labour-saving screwdriver, it is made up of the screwdriver body of rod (1), driver bit (2), Handheld Division (3), the external thread part (4) being located on the body of rod (1) and the tight portion of pocket (5), it is characterised in that:
The tight portion of pocket (5) is additionally provided with internal thread part (51), the external screw thread of the external thread part (4) on the female thread of internal thread part (51) and the body of rod (1) is mutually matched, it is possible to screw on external thread part (4);
Being additionally provided with the tight head of pocket (52) in the tight portion of pocket (5), the tight head of pocket (52) is used to pocket tight screw ailhead (6) bottom;
The effect arranging internal thread part (51) in the tight portion of pocket (5) is: the tight portion of pocket (5) screws the distance of set screw jet blade (2) and the tight head of pocket (52) by its internal thread part (51) around external thread part (4), screw ailhead (6) can be made firmly to be stuck between driver bit (2) and the tight head of pocket (52), and driver bit (2) can be made tightly to withstand the groove on screw ailhead (6) top.
2. screwdriver according to claim 1, it is characterised in that:
The tight head of pocket (52) is by connecting portion (53) and internal thread part (51) pivot joint;
The tight head of pocket (52) is provided with V-type draw-in groove or U-shaped draw-in groove;
By around pivoting adjustment pocket tight head (52) angle, making the V-type draw-in groove of the tight head of pocket (52) or U-shaped draw-in groove tightly block screw ailhead (6) bottom.
3. screwdriver according to claim 1, it is characterised in that:
The tight head of pocket (52) is configured to a pair or multiple chuck of fixture;
Each chuck is connected with internal thread part (51) by respective connecting portion (53);
Each chuck and respective connecting portion (53) be configured to can the fixture of folding, its effect is: when applying grip force, and each chuck can common clamping screw nail ailhead (6) bottom.
4. screwdriver according to claim 3, it is characterised in that:
Internal thread part (51) is additionally provided with external screw thread (54);
And it being provided with force section (55), force section (55) are provided with the female thread matched with external screw thread (54), and force section (55) can screw around internal thread part (51);
By screwing force section (55), make force section (55) hold out against each connecting portion (53) or the extension of each connecting portion (53), fixture is applied grip force and tightly clamps screw ailhead (6) bottom.
5. screwdriver according to claim 1, it is characterised in that:
External thread part (4) can adopt integrated fixing connection with the screwdriver body of rod (1);
External thread part (4) can also adopt the detachable of non-integral to be connected with the screwdriver body of rod (1), it is connected with the screwdriver body of rod (1) with locking device, locking device can also be unclamped when not using, it is taken off from the screwdriver body of rod (1).
6. an auxiliary device for screwdriver, is made up of external thread part (4) and the tight portion of pocket (5), and this auxiliary device can make screwdriver anti-slip thread and laborsaving, it is characterised in that:
With all kinds of screwdrivers with the use of time, the external thread part (4) of this auxiliary device can adopt integrated fixing connection with the screwdriver body of rod (1); The detachable connection of non-integral can also be adopted, be connected with the screwdriver body of rod (1) with locking device, locking device when not using, can also be unclamped, it is taken off from the screwdriver body of rod (1);
The tight portion of pocket (5) is provided with the external screw thread of internal thread part (51), the female thread of internal thread part (51) and external thread part (4) and is mutually matched, it is possible to screw on external thread part (4);
Being additionally provided with the tight head of pocket (52) in the tight portion of pocket (5), the tight head of pocket (52) is used to pocket tight screw ailhead (6) bottom;
The effect arranging internal thread part (51) in the tight portion of pocket (5) is: the tight portion of pocket (5) screws the distance of set screw jet blade (4) and the tight head of pocket (52) by its internal thread part (51) around external thread part (4), screw ailhead (6) can be made firmly to be stuck between driver bit (4) and the tight head of pocket (52), and driver bit (4) can be made tightly to withstand the groove on screw ailhead (6) top.
7. the auxiliary device of screwdriver according to claim 6, it is characterised in that:
External thread part (4) is axially having hole, and the screwdriver body of rod (1) can pierce into this hole and be enclosed in this hole.
8. the auxiliary device of screwdriver according to claim 6 or 7, it is characterised in that:
The internal thread part (51) in the tight portion of pocket (5) and the tight portion of pocket (5) main body connected mode are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/096122 WO2017041619A1 (en) | 2015-09-08 | 2016-08-21 | Anti-thread-stripping and effort-saving screwdriver and screwdriver assist device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565448 | 2015-09-08 | ||
| CN2015105654482 | 2015-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105666390A true CN105666390A (en) | 2016-06-15 |
Family
ID=56215770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610249130.8A Pending CN105666390A (en) | 2015-09-08 | 2016-04-20 | Anti-sliding and labor-saving screwdriver and auxiliary device of screwdriver |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105666390A (en) |
| WO (1) | WO2017041619A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017041619A1 (en) * | 2015-09-08 | 2017-03-16 | 余建桥 | Anti-thread-stripping and effort-saving screwdriver and screwdriver assist device |
| CN108214379A (en) * | 2017-12-25 | 2018-06-29 | 杭州沈大侠教育咨询有限公司 | Anti-skidding screw wrench and the method for taking out wood screw |
| CN108214380A (en) * | 2017-12-25 | 2018-06-29 | 杭州沈大侠装饰设计工程有限公司 | For the method for the jam nut knife and taking-up wood screw of wood screw |
| CN109184205A (en) * | 2018-08-14 | 2019-01-11 | 徐州鑫固钢模有限公司 | A kind of steel shutterings that stability is good installing is standby |
| CN109277977A (en) * | 2017-07-21 | 2019-01-29 | 施俊兆 | Sleeve joint tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5052253A (en) * | 1990-08-01 | 1991-10-01 | Lin Ching Jou | Screwdriver |
| CN201070752Y (en) * | 2007-08-23 | 2008-06-11 | 杨占星 | Lock nut screwdriver |
| KR20120136079A (en) * | 2011-06-08 | 2012-12-18 | 민경범 | Having a driver screws holding vise |
| EP2633954B1 (en) * | 2012-03-02 | 2019-10-02 | Schürmann s.r.o | Electronically insulated fixing screw driver |
| CN104416524A (en) * | 2013-08-20 | 2015-03-18 | 襄阳市诸葛亮中学 | Screwdriver screw driving guide clamp |
| CN103659697B (en) * | 2013-12-12 | 2015-07-08 | 安徽理工大学 | Screwdriver capable of clamping screw |
| CN104742068A (en) * | 2013-12-27 | 2015-07-01 | 富泰华工业（深圳）有限公司 | Screwdriver |
| CN204913725U (en) * | 2015-09-08 | 2015-12-30 | 余建桥 | Antiskid silk and laborsaving screwdriver |
| CN105666390A (en) * | 2015-09-08 | 2016-06-15 | 余建桥 | Anti-sliding and labor-saving screwdriver and auxiliary device of screwdriver |
-
2016
- 2016-04-20 CN CN201610249130.8A patent/CN105666390A/en active Pending
- 2016-08-21 WO PCT/CN2016/096122 patent/WO2017041619A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017041619A1 (en) * | 2015-09-08 | 2017-03-16 | 余建桥 | Anti-thread-stripping and effort-saving screwdriver and screwdriver assist device |
| CN109277977A (en) * | 2017-07-21 | 2019-01-29 | 施俊兆 | Sleeve joint tool |
| CN108214379A (en) * | 2017-12-25 | 2018-06-29 | 杭州沈大侠教育咨询有限公司 | Anti-skidding screw wrench and the method for taking out wood screw |
| CN108214380A (en) * | 2017-12-25 | 2018-06-29 | 杭州沈大侠装饰设计工程有限公司 | For the method for the jam nut knife and taking-up wood screw of wood screw |
| CN109184205A (en) * | 2018-08-14 | 2019-01-11 | 徐州鑫固钢模有限公司 | A kind of steel shutterings that stability is good installing is standby |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017041619A1 (en) | 2017-03-16 |
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Application publication date: 20160615 |