CN201009205Y - Screwdriver - Google Patents
Screwdriver Download PDFInfo
- Publication number
- CN201009205Y CN201009205Y CNU2007201065920U CN200720106592U CN201009205Y CN 201009205 Y CN201009205 Y CN 201009205Y CN U2007201065920 U CNU2007201065920 U CN U2007201065920U CN 200720106592 U CN200720106592 U CN 200720106592U CN 201009205 Y CN201009205 Y CN 201009205Y
- Authority
- CN
- China
- Prior art keywords
- handle
- screwdriver
- knife bar
- protruding fin
- utility
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a screwdriver which comprises a handle and a knife bar, wherein a convex fin which is arranged on the same axis with the knife bar is arranged on the front end of the handle in the axial direction; a concave arc-shaped groove the finger holding center on the back end of which is provided with a transition surface extending afterwards is arranged at the finger holding place on the front end of the handle; a concave-down surface is arranged at both sides of the joint of the convex fin and the concave arc-shaped groove; the outside outline of the convex fin takes the shape of a cardioid. The utility model can effectively prevent hands from slipping on the handle surface when used and force can be applied on the handle more conveniently and effectively, thereby bolts can be screwed out quickly and conveniently.
Description
Technical field
The utility model relates to a kind of screwdriver.
Background technology
Screwdriver is one of the most frequently used instrument, but existing screwdriver in use, as runs into the screw of tension, and during the rotary screw cutter, hand just is very easy to skid in grip surface energetically, produces the screw difficulty of comparison that becomes thereby make.
The utility model content
The technical problem that the utility model solves just provides a kind of screwdriver, can prevent effectively that hand from skidding in grip surface, the more convenient effectively application of force on handle of energy, thereby with the quick and convenient back-out of screw.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of screwdriver, comprise handle and knife bar, and it is characterized in that: described handle front end is axially arranged with a protruding fin, described protruding fin and the coaxial setting of knife bar.
Improved, described handle front end finger grip place is provided with an indent deep-slotted chip breaker, is convenient to grip, and makes gripping more comfortable simultaneously.
Improved, described interior arc fluting rear end forefinger grips the fillet surface that prolongs after central part also is provided with, and is convenient to grip, and makes gripping more comfortable simultaneously.
Improved, described protruding fin and indent deep-slotted chip breaker joint both sides are provided with down concave curved surface, are convenient to grip.
Improved, the outline of described protruding fin is the cardioid profile, uses more comfortable safety.
Screwdriver of the present utility model can prevent effectively that hand from skidding in grip surface when using, the more convenient effectively application of force on handle of energy, thereby with the quick and convenient back-out of screw.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the front view of the utility model screwdriver;
Fig. 2 is Fig. 1 vertical view.
The specific embodiment
As depicted in figs. 1 and 2, be the utility model screwdriver, comprise handle 1 and knife bar 2, handle 1 front end is axially arranged with a protruding fin 11, and described protruding fin 11 and knife bar 2 coaxial settings are if the cutter head of knife bar is the yi word pattern cutter head, the side of cutter head towards with protruding fin towards consistent, be convenient to the operation.Described handle 1 front end finger grip place is provided with an indent deep-slotted chip breaker 12, is convenient to grip, and makes gripping more comfortable simultaneously.Arc fluting 12 rear end forefingers grip the fillet surface 13 that prolongs after central part also is provided with in described, are convenient to grip, and make gripping more comfortable simultaneously.Described protruding fin 11 is provided with down concave curved surface 14 with indent deep-slotted chip breaker 12 joint both sides, is convenient to grip.The outline of described protruding fin 11 is the cardioid profile, uses more comfortable safety.Screwdriver of the present utility model can prevent effectively that hand from skidding in grip surface when using, the more convenient effectively application of force on handle of energy, thereby with quick and convenient back-outs such as screws.
Claims (5)
1. a screwdriver comprises handle (1) and knife bar (2), it is characterized in that: (1) end is axially arranged with a protruding fin (11), described protruding fin (11) and the coaxial setting of knife bar (2) before the described handle.
2. according to the described a kind of screwdriver of claim 1, it is characterized in that: described handle (1) front end finger grip place is provided with an indent deep-slotted chip breaker (12).
3. according to the described a kind of screwdriver of claim 2, it is characterized in that: arc fluting (12) rear end forefinger grips the fillet surface (13) that prolongs after central part also is provided with in described.
4. according to the described a kind of screwdriver of claim 2, it is characterized in that: described protruding fin (11) is provided with down concave curved surface (14) with indent deep-slotted chip breaker (12) joint both sides.
5. according to claim 1 or 4 described a kind of screwdrivers, it is characterized in that: the outline (15) of described protruding fin (11) is the cardioid profile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201065920U CN201009205Y (en) | 2007-02-13 | 2007-02-13 | Screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201065920U CN201009205Y (en) | 2007-02-13 | 2007-02-13 | Screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201009205Y true CN201009205Y (en) | 2008-01-23 |
Family
ID=39044138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201065920U Expired - Fee Related CN201009205Y (en) | 2007-02-13 | 2007-02-13 | Screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201009205Y (en) |
-
2007
- 2007-02-13 CN CNU2007201065920U patent/CN201009205Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080123 Termination date: 20110213 |