CN108747933A - A kind of labour-saving screwdriver - Google Patents
A kind of labour-saving screwdriver Download PDFInfo
- Publication number
- CN108747933A CN108747933A CN201811060170.3A CN201811060170A CN108747933A CN 108747933 A CN108747933 A CN 108747933A CN 201811060170 A CN201811060170 A CN 201811060170A CN 108747933 A CN108747933 A CN 108747933A
- Authority
- CN
- China
- Prior art keywords
- spanner
- screw handle
- screw
- cutter head
- briquetting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- 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
- B25B23/0007—Connections or joints between tool parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/16—Handles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a kind of labour-saving screwdrivers, including screw handle and driver bit, screw handle is cylinder, screw handle side wall offers the spanner accommodating chamber of square shape groove, spanner accommodating chamber is internally provided with spanner, and screw handle upper end is equipped with circular swivel becket, and swivel becket outer cover is equipped with briquetting, the cutter head card slot of hexagonal configuration is offered among the lower face of screw handle, the top of driver bit is fastened on inside cutter head card slot.Present invention side at screw handle is equipped with turnover spanner, spanner can be tilted out in 90 °, when being rotated to screw, spanner is pulled, the strength needed for rotation screw can be reduced, screw handle is equipped with cutter head card slot, can block the driver bit for setting various head dummys, and can carry out limiting card to driver bit equipped with limit body and set, prevent screw from taking the lead to fall off.
Description
Technical field
The present invention relates to hand-held tool field, specially a kind of labour-saving screwdriver.
Background technology
Screwdriver is a kind of tool for twisting screw to force its in place, in being a kind of family and manufacturing often
Hand-held tool.
Screwdriver can be divided into a word, cross, rice word, star-like, square toes, turret head, Y types head etc. by different head dummys
Deng, but be all the handle that is connected by rotation blade to work, existing cutter head is usually all set in for bar shape
Cutter head end then needs prodigious strength to rotate handle when the screw tension being rotated so that and rotation is inconvenient, and
And it is easy to skid.
Invention content
The purpose of the present invention is to provide a kind of labour-saving screwdrivers, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of labour-saving screwdriver, including screw handle and
Driver bit, the screw handle are cylinder, and screw handle side wall offers the spanner accommodating chamber of square shape groove, spanner
Accommodating chamber is internally provided with spanner, and one end of spanner is rotatablely connected by shaft and spanner accommodating chamber inner upper two side, spanner
The opening of accommodating chamber is equipped with the spanner outlet of arc groove shape, and the screw handle upper end is equipped with circular swivel becket, turns
Rotating ring outer cover is equipped with briquetting, and briquetting is cylinder, and the lower face of briquetting offers the rotation annular groove of ring groove shape,
Rotation annular groove is contacted with swivel becket cooperation rotation, and the cutter head card slot of hexagonal configuration, institute are offered among the lower face of screw handle
The top for stating driver bit is hexagonal column, and the top of driver bit is fastened on inside cutter head card slot, the upper wall of cutter head card slot
Side offers limiting slot, and limit body is equipped with below the screw handle outer wall, and the middle inside of limit body is equipped with the card of cylinder
Pin, and the end of bayonet lock is equipped with limit card block.
Preferably, the spanner thickness is the groove depth of spanner accommodating chamber, two side and the spanner accommodating chamber both sides of spanner
Coordinate contact between inner wall.
Preferably, the upper surface of the screw handle is contacted with the rotation of the lower face of briquetting, and screw handle and pressing
The contact position of block is equipped with ball.
Preferably, screw handle lateral wall lower part opens up fluted, and limit body, the inside of limit body are equipped in groove
Face is connect by spring with the bottom of opened up groove on the outside of screw handle, the limit card block on the inside of limit body set by bayonet lock end
It is perforated through the inner wall of cutter head card slot, and limit card block is set with limiting slot cooperation card.
Preferably, the outer wall of the screw handle and spanner is equipped with anti-skid chequer, and the upper surface of briquetting is equipped with flexible glue layer.
Compared with prior art, the beneficial effects of the invention are as follows：
1. present invention side at screw handle is equipped with turnover spanner, spanner can tilt out in 90 °, to screw into
When row rotation, spanner is pulled, the strength needed for rotation screw can be reduced；
2. screw handle is equipped with cutter head card slot in the present invention, the driver bit for setting various head dummys can be blocked, and equipped with limit
Body can carry out limiting card to driver bit and set, and prevent screw from taking the lead to fall off.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is front view of the present invention；
Fig. 3 is elevation cross-sectional view of the present invention；
Fig. 4 is the sectional view at A-A in Fig. 2；
Fig. 5 is the enlarged drawing at B in Fig. 4.
In figure：Screw handle 1, driver bit 2, spanner accommodating chamber 3, spanner 4, spanner outlet 5, swivel becket 6, briquetting
7, annular groove 8, cutter head card slot 9, limit body 10, limiting slot 11, limit card block 12 are rotated.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of labour-saving screwdriver, including screw handle 1 and spiral shell
Silk cutter head 2, screw handle 1 are cylinder, and 1 side wall of screw handle offers the spanner accommodating chamber 3 of square shape groove, and spanner holds
Chamber 3 of receiving is internally provided with spanner 4, and one end of spanner 4 is rotatablely connected by shaft and 3 inner upper two side of spanner accommodating chamber, is pulled
The opening of hand accommodating chamber 3 is equipped with the spanner outlet 5 of arc groove shape, and spanner outlet 5 is used to conveniently tilt out spanner 4,
1 upper end of screw handle is equipped with circular swivel becket 6, and 6 outer cover of swivel becket is equipped with briquetting 7, and briquetting 7 is cylinder, pressing
The lower face of block 7 offers the rotation annular groove 8 of ring groove shape, and rotation annular groove 8 is contacted with the cooperation rotation of swivel becket 6, when to pressing
When briquetting 7 is pressed, when being pulled to spanner 4, it may make that screw handle 1 is rotated, in the lower face of screw handle 1
Between offer the cutter head card slot 9 of hexagonal configuration, the top of driver bit 2 is hexagonal column, and the top of driver bit 2 is fastened on
Inside cutter head card slot 9, it can prevent driver bit 2 from rotating in cutter head card slot 9 in this way, the upper wall side of cutter head card slot 9
Limiting slot 11 is offered, limit body 10 is equipped with below 1 outer wall of screw handle, the middle inside of limit body 10 is equipped with the card of cylinder
Pin, and the end of bayonet lock is equipped with limit card block 12.
4 thickness of spanner is the groove depth of spanner accommodating chamber 3 so that spanner 4 can completely be accommodated into spanner accommodating chamber 3
When avoiding without using spanner 4, inconvenience, 3 liang of two side and the spanner accommodating chamber of spanner 4 are rotated to screw handle 1 for portion
Coordinate contact between the inner wall of side, prevents spanner 4 from contacting pine with 3 both sides inner wall of spanner accommodating chamber, spanner 4 is caused to be easy to fall off out
Come.
As shown in figure 3, the lower face rotation of the upper surface of screw handle 1 and briquetting 7 contacts, and screw handle 1 with press
The contact position of briquetting 7 is equipped with ball, reduces the abrasion between the upper surface and the lower face of briquetting 7 of screw handle 1, while just
In rotation.
As shown in figure 5,1 lateral wall lower part of screw handle opens up fluted, the cylinder bayonet lock equipped with limit body 10 in groove,
The medial surface of limit body 10 is connect by the bottom of 1 the opened up groove in outside of spring and screw handle so that limit body 10 and
Limit card block 12 can be drawn out, and can be sprung back, and the limit card block 12 set by 10 inside bayonet lock end of limit body is perforated through knife
The inner wall of head card slot 9, and limit card block 12 is set with the cooperation card of limiting slot 11, passes through the cooperation card of limit card block 12 and limiting slot 11
If can prevent driver bit 2 from falling off from cutter head card slot 9.
The outer wall of screw handle 1 and spanner 4 is equipped with anti-skid chequer, increases good contact, prevents from skidding when using, press
The upper surface of briquetting 7 is equipped with flexible glue layer, has preferable comfort when pressing briquetting 7.
Operation principle：When the present invention works, the limit body 10 of 1 lateral wall of screw handle is pulled out, selects required head
The driver bit 2 of type, one end that driver bit 2 is equipped with to hexagon prism are inserted into inside the cutter head card slot 9 that screw handle 1 is opened up,
Cutter head card slot 9 is the hexagon ring coordinated with 2 insertion end of driver bit, ensures that driver bit 2 does not occur to turn in cutter head card slot 9
It is dynamic, limit body 10 is unclamped, the limit card block 12 that 10 inside bayonet lock of limit body is equipped with is fastened on 2 insertion end of driver bit and is opened up
Limiting slot 11 in, prevent driver bit 2 from falling off, when carrying out rotary screw, the head end of driver bit 2 be fastened on screw
In the shrinkage pool of nail head, spanner 4 is tilted out inside screw handle 1, spanner 4 is made, in 90 ° of angles, to be pressed on the other hand with screw handle 1
The firmly upper end of briquetting 7 prevents the head end of driver bit 2 to be detached from screw, and the other hand, which pulls spanner 4, makes screw handle 1 carry out
Rotation, power required when being rotated to screw can be reduced equipped with spanner 4, can greatly save strength, can also avoid skidding.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of labour-saving screwdriver, including screw handle (1) and driver bit (2), it is characterised in that：The screw handle
(1) it is cylinder, screw handle (1) side wall offers the spanner accommodating chamber (3) of square shape groove, and spanner accommodating chamber (3) is interior
Portion is equipped with spanner (4), and one end of spanner (4) is rotatablely connected by shaft and spanner accommodating chamber (3) inner upper two side, spanner
The opening of accommodating chamber (3) is equipped with the spanner outlet (5) of arc groove shape, and screw handle (1) upper end is equipped with annular shape
Swivel becket (6), swivel becket (6) outer cover are equipped with briquetting (7), and briquetting (7) is cylinder, and the lower face of briquetting (7) is opened
Rotation annular groove (8) equipped with ring groove shape, rotation annular groove (8) are contacted with swivel becket (6) cooperation rotation, screw handle (1)
Offer the cutter head card slot (9) of hexagonal configuration among lower face, the top of the driver bit (2) is hexagonal column, and screw
The top of cutter head (2) is fastened on cutter head card slot (9) inside, and the upper wall side of cutter head card slot (9) offers limiting slot (11), described
Limit body (10), bayonet lock of the middle inside equipped with cylinder of limit body (10), and bayonet lock are equipped with below screw handle (1) outer wall
End is equipped with limit card block (12).
2. a kind of labour-saving screwdriver according to claim 1, it is characterised in that：Spanner (4) thickness holds for spanner
It receives the groove depths of chamber (3), coordinates between the two side and spanner accommodating chamber (3) both sides inner wall of spanner (4) and contact.
3. a kind of labour-saving screwdriver according to claim 1, it is characterised in that：The upper surface of the screw handle (1)
It is contacted with the rotation of the lower face of briquetting (7), and screw handle (1) and the contact position of briquetting (7) are equipped with ball.
4. a kind of labour-saving screwdriver according to claim 1, it is characterised in that：Under screw handle (1) lateral wall
Portion opens up fluted, is equipped with limit body (10) in groove, the medial surface of limit body (10) pass through spring on the outside of screw handle (1)
The bottom of opened up groove connects, and the limit card block (12) on the inside of limit body (10) set by bayonet lock end is perforated through cutter head card slot
(9) inner wall, and limit card block (12) is set with limiting slot (11) cooperation card.
5. a kind of labour-saving screwdriver according to claim 1, it is characterised in that：The screw handle (1) and spanner (4)
Outer wall be equipped with anti-skid chequer, the upper surface of briquetting (7) is equipped with flexible glue layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060170.3A CN108747933A (en) | 2018-09-12 | 2018-09-12 | A kind of labour-saving screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811060170.3A CN108747933A (en) | 2018-09-12 | 2018-09-12 | A kind of labour-saving screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108747933A true CN108747933A (en) | 2018-11-06 |
Family
ID=63966803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811060170.3A Pending CN108747933A (en) | 2018-09-12 | 2018-09-12 | A kind of labour-saving screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108747933A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2736117Y (en) * | 2004-10-18 | 2005-10-26 | 姜跃 | Multifunctional screwdriver |
| CN201881327U (en) * | 2010-12-01 | 2011-06-29 | 河南省电力公司南阳供电公司 | Auxiliary augmentor for screw drivers |
| CN102862140A (en) * | 2012-10-18 | 2013-01-09 | 河南省电力公司漯河供电公司 | Combined tool of quick screw driver |
| CN205600593U (en) * | 2016-04-21 | 2016-09-28 | 象山搏远智能科技有限公司 | Store convenient bull screwdriver |
| CN206780262U (en) * | 2017-05-12 | 2017-12-22 | 诸暨市奔宝弹簧有限公司 | A kind of screwdriver of replaceable driver bit |
-
2018
- 2018-09-12 CN CN201811060170.3A patent/CN108747933A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2736117Y (en) * | 2004-10-18 | 2005-10-26 | 姜跃 | Multifunctional screwdriver |
| CN201881327U (en) * | 2010-12-01 | 2011-06-29 | 河南省电力公司南阳供电公司 | Auxiliary augmentor for screw drivers |
| CN102862140A (en) * | 2012-10-18 | 2013-01-09 | 河南省电力公司漯河供电公司 | Combined tool of quick screw driver |
| CN205600593U (en) * | 2016-04-21 | 2016-09-28 | 象山搏远智能科技有限公司 | Store convenient bull screwdriver |
| CN206780262U (en) * | 2017-05-12 | 2017-12-22 | 诸暨市奔宝弹簧有限公司 | A kind of screwdriver of replaceable driver bit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181106 |
|
| WD01 | Invention patent application deemed withdrawn after publication |