CN206982743U - A kind of electrician's knife - Google Patents
A kind of electrician's knife Download PDFInfo
- Publication number
- CN206982743U CN206982743U CN201720674266.3U CN201720674266U CN206982743U CN 206982743 U CN206982743 U CN 206982743U CN 201720674266 U CN201720674266 U CN 201720674266U CN 206982743 U CN206982743 U CN 206982743U
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- knife
- blade
- electrician
- angle
- utility
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Abstract
The utility model discloses a kind of electrician's knife, it belongs to electrician's apparatus, including blade and handle of a knife, and the knife back on the blade is arc；Edge of a knife angle in the knife-blade is 10 °~15 °, and cutting edge inclination is 15 °~20 °, and the back rake angle between blade and the knife back is 1 °~5 °.Electrician's knife provided by the utility model, the knife back on its blade is arc, it is ensured that the security of whole blade, to cause operating personnel when using electrician's knife, will not be scratched by the knife back.Edge of a knife angle in knife-blade is 10 °~15 °, cutting edge inclination is 15 °~20 °, back rake angle between blade and the knife back is 1 °~5 °, both it ensure that blade was sharp enough, it can be smoothed out cutting, and can efficiently controls cutting speed, avoid because cutting speed is too fast and caused by unexpected injury to electrician's knife user.
Description
Technical field
It the utility model is related to electrician's apparatus, and in particular to a kind of electrician's knife.
Background technology
Electrician's knife is a kind of cutting element that electrician commonly uses.As shown in figure 1, common electrician's knife is by blade 1 and the structure of handle of a knife 2
Into root and the handle of a knife 2 of blade 1 are hinged, and not the used time, blade 1 are retracted in handle of a knife 2.Existing electrician's knife was designed to
In sharp, although efficiently the line skin of electric wire can be pushed aside by cable cutting or quickly, also easily cause user
The incised wound of member or scuffing, bring great potential safety hazard.
Utility model content
The purpose of this utility model be to provide a kind of structure more rationally, using safer electrician's knife.
To achieve these goals, the utility model provides following technical scheme：
A kind of electrician's knife, including blade and handle of a knife, the knife back on the blade is arc；Edge of a knife angle in the knife-blade
For 10 °~15 °, cutting edge inclination is 15 °~20 °, and the back rake angle between blade and the knife back is 1 °~5 °.
Preferably, the edge of a knife angle is 10 °.
Preferably, the cutting edge inclination is 15 °.
Preferably, the back rake angle is 2 °.
Preferably, the radian of the knife back is π/6 of 2 π/3~5.
Preferably, the radian of the knife back is 2 π/3.
Preferably, the length of the blade and handle of a knife ratio is 14：25.
Preferably, the length of the blade is 70mm, the length of the handle of a knife 2 is 125mm.
Electrician's knife provided by the utility model, the knife back on its blade is arc, it is ensured that the security of whole blade,
To cause operating personnel when using electrician's knife, will not be scratched by the knife back.Edge of a knife angle in knife-blade is 10 °~15 °, and sword inclines
Angle is 15 °~20 °, and the back rake angle between blade and the knife back is 1 °~5 °, both ensure that blade was sharp enough, and can be smoothed out
Cutting, and can efficiently controls cutting speed, avoid because cutting speed is too fast and caused by the meaning of electrician's knife user
Outer injury.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only described in the utility model
Some embodiments, for those of ordinary skill in the art, other accompanying drawings can also be obtained according to these accompanying drawings.
The structure chart of Fig. 1 electrician's knives；
Fig. 2 is the sectional view of blade in the electrician's knife that the utility model embodiment provides.
Description of reference numerals：
1st, blade；2nd, handle of a knife；11st, the knife back；12nd, blade.
Embodiment
In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with accompanying drawing pair
The utility model is further detailed.
A kind of electrician's knife, its overall structure and existing electrician's knife in Fig. 1 are essentially identical, including blade 1 and handle of a knife 2, and
Electrician's knife in the present embodiment in place of the difference of existing electrician's knife with being, as shown in Fig. 2 the knife back 11 on blade 1 is arc,
The radian of the knife back 11 is π/6 of 2 π/3~5, wherein, most preferably the radian of the knife back 11 is 2 π/3.The knife of the blade 1
Edge of a knife angle on sword 12 is 10 °~15 °, and cutting edge inclination is 15 °~20 °, and the back rake angle between blade 12 and the knife back 11 is 1 °~5 °.
Such structure, the arc knife back 11 ensure that the security of whole blade, make it that operating personnel, will not be by when using electrician's knife
The knife back scratches.The upper slitter bicker of blade 12 of blade 1, cutting edge inclination, the angle design of back rake angle, both ensure that blade was sharp enough,
Can be smoothed out cutting, and can efficiently controls cutting speed, avoid because cutting speed is too fast and caused by electrician
The unexpected injury of knife user.
In this embodiment, it is preferred that the edge of a knife angle is 10 °, the cutting edge inclination is 15 °.The back rake angle is 2 °, such as
This angle Selection, effect become apparent.
In addition, in the present embodiment, the length of blade 1 is 70mm, and the length of handle of a knife 2 is 125mm, that is to say, that works as knife
The length of piece 1 and handle of a knife 2 ratio is 14：When 25, the length of handle of a knife 2 is adapted to the user of electrician's knife to grip and exert a force, and blade 1
Length then disclosure satisfy that the demand of cutting operation just, particular, it is important that this Design of length is the best safety of electrician's knife
Length.
Some one exemplary embodiments of the present utility model are only described by way of explanation above, undoubtedly, for
One of ordinary skill in the art, can be with a variety of in the case of without departing from spirit and scope of the present utility model
Mode is modified to described embodiment.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as
Limitation to the utility model claims protection domain.
Claims (7)
1. a kind of electrician's knife, including blade and handle of a knife, it is characterised in that the knife back on the blade is arc；The knife-blade
On edge of a knife angle be 10 °~15 °, cutting edge inclination is 15 °~20 °, and back rake angle between blade and the knife back is 1 °~5 °；
The radian of the knife back is π/6 of 2 π/3~5.
2. electrician's knife according to claim 1, it is characterised in that the edge of a knife angle is 10 °.
3. electrician's knife according to claim 2, it is characterised in that the cutting edge inclination is 15 °.
4. electrician's knife according to claim 3, it is characterised in that the back rake angle is 2 °.
5. electrician's knife according to claim 1, it is characterised in that the radian of the knife back is 2 π/3.
6. electrician's knife according to claim 1, it is characterised in that the length ratio of the blade and handle of a knife is 14：25.
7. electrician's knife according to claim 6, it is characterised in that the length of the blade is 70mm, the length of the handle of a knife 2
Spend for 125mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720674266.3U CN206982743U (en) | 2017-06-12 | 2017-06-12 | A kind of electrician's knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720674266.3U CN206982743U (en) | 2017-06-12 | 2017-06-12 | A kind of electrician's knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206982743U true CN206982743U (en) | 2018-02-09 |
Family
ID=61396683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720674266.3U Expired - Fee Related CN206982743U (en) | 2017-06-12 | 2017-06-12 | A kind of electrician's knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206982743U (en) |
-
2017
- 2017-06-12 CN CN201720674266.3U patent/CN206982743U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20190612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |