CN204195789U - A kind of cutter with protective sleeve - Google Patents
A kind of cutter with protective sleeve Download PDFInfo
- Publication number
- CN204195789U CN204195789U CN201420645268.6U CN201420645268U CN204195789U CN 204195789 U CN204195789 U CN 204195789U CN 201420645268 U CN201420645268 U CN 201420645268U CN 204195789 U CN204195789 U CN 204195789U
- Authority
- CN
- China
- Prior art keywords
- knife
- protective sleeve
- blade
- edge
- groove
- 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
- 230000001681 protective effect Effects 0.000 title claims abstract description 23
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Knives (AREA)
Abstract
The utility model discloses a kind of cutter with protective sleeve, comprise handle of a knife, blade and protective sleeve, blade comprises base portion, and tip, be more blunt knife back portion above blade, edge is straight line, below is sharper knife edge portion, rear part edge is straight line, and forward edge is the camber line be bent upwards, and knife back portion and knife edge portion cross in tip; Protective sleeve comprises two pieces of baffles roughly the same with cutting edge shape, and symmetrical is located at blade both sides, is integrated above baffle by tie-beam; Knife back portion front-end surface is provided with two adjacent projections, and baffle front-end surface has groove, and groove is the arc that front end is bent upwards, and two projections to be all embedded in groove and can relative sliding; The jut that fit extends is provided with above baffle front end.The beneficial effects of the utility model are, cutter is set up mobilizable protective sleeve, easy to use, safer.
Description
Technical field
The utility model relates to a kind of cutter.
Background technology
Cutter is often used in life, due to sharper, easily hurts sb.'s feelings.
Utility model content
The utility model object is to overcome the deficiencies in the prior art, proposes a kind of novel cutter.
The technical solution of the utility model is: a kind of cutter with protective sleeve, comprise handle of a knife, blade and protective sleeve, blade comprises near and connects the base portion of handle of a knife, and to be extended forward by base portion and away from the tip of handle of a knife, be more blunt knife back portion above blade, edge is straight line, below is sharper knife edge portion, rear part edge is straight line, and forward edge is the camber line be bent upwards, and knife back portion and knife edge portion cross in tip; Protective sleeve comprises two pieces of baffles roughly the same with cutting edge shape, and symmetrical is located at blade both sides, is integrated above baffle by tie-beam; Knife back portion front-end surface is provided with two adjacent projections, and baffle front-end surface has groove, and groove is the arc that front end is bent upwards, and two projections to be all embedded in groove and can relative sliding; The jut that fit extends is provided with above baffle front end.
The beneficial effects of the utility model are, cutter is set up mobilizable protective sleeve, easy to use, safer.
Accompanying drawing explanation
Fig. 1 is the structural representation of cutter.
Fig. 2 is the structural representation after cutter protection cover rotates.
Detailed description of the invention
Below in conjunction with drawings and Examples, set forth the utility model further.As Figure 1-Figure 2, a kind of cutter, comprise handle of a knife 1, blade 2 and protective sleeve 3, blade comprises near and connects the base portion 21 of handle of a knife, and is extended forward by base portion and away from the tip 22 of handle of a knife, it is more blunt knife back portion 23 above blade, edge is straight line, and below is sharper knife edge portion 24, and rear part edge is straight line, forward edge is the camber line be bent upwards, and knife back portion and knife edge portion cross in tip; Protective sleeve comprises two pieces of baffles 31 roughly the same with cutting edge shape, and symmetrical is located at blade both sides, merely illustrates one side in figure.Be integrated by tie-beam (not shown) above baffle; Knife back portion front-end surface is provided with two adjacent projections 25,26, and baffle front-end surface has groove 32, and groove is the arc that front end is bent upwards, and two projections to be all embedded in groove and can relative sliding; The jut 33 that fit extends is provided with above baffle front end.Groove coordinates with jut, makes when protective sleeve is enclosed within blade, and as shown in Figure 1, protruding part is in groove rear portion; When as in fig. 2 along when rotating counterclockwise protective sleeve, chute and projection relative motion, due to the radian of chute, make protective sleeve start gradually, and when turning to end, two projections block groove, and protective sleeve can be maintained static relatively.Downward force, can make protective sleeve get back to original position.
This cutter is not when using, and by the protective sleeve that turns clockwise in figure, blade entirety can cover by protective sleeve, makes it hurt people.During use, be rotated counterclockwise protective sleeve, expose blade, can use.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. the cutter with protective sleeve, it is characterized in that, comprise handle of a knife, blade and protective sleeve, blade comprises near and connects the base portion of handle of a knife, and is extended forward by base portion and away from the tip of handle of a knife, it is more blunt knife back portion above blade, edge is straight line, and below is sharper knife edge portion, and rear part edge is straight line, forward edge is the camber line be bent upwards, and knife back portion and knife edge portion cross in tip; Protective sleeve comprises two pieces of baffles roughly the same with cutting edge shape, and symmetrical is located at blade both sides, is integrated above baffle by tie-beam; Knife back portion front-end surface is provided with two adjacent projections, and baffle front-end surface has groove, and groove is the arc that front end is bent upwards, and two projections to be all embedded in groove and can relative sliding; The jut that fit extends is provided with above baffle front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420645268.6U CN204195789U (en) | 2014-10-31 | 2014-10-31 | A kind of cutter with protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420645268.6U CN204195789U (en) | 2014-10-31 | 2014-10-31 | A kind of cutter with protective sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204195789U true CN204195789U (en) | 2015-03-11 |
Family
ID=52653787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420645268.6U Expired - Fee Related CN204195789U (en) | 2014-10-31 | 2014-10-31 | A kind of cutter with protective sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204195789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577133A (en) * | 2018-07-04 | 2018-09-28 | 东莞市木之美实业有限公司 | A kind of novel glass nail file |
-
2014
- 2014-10-31 CN CN201420645268.6U patent/CN204195789U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577133A (en) * | 2018-07-04 | 2018-09-28 | 东莞市木之美实业有限公司 | A kind of novel glass nail file |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |