CN203697173U - Three-hole curved blade - Google Patents
Three-hole curved blade Download PDFInfo
- Publication number
- CN203697173U CN203697173U CN201320866008.7U CN201320866008U CN203697173U CN 203697173 U CN203697173 U CN 203697173U CN 201320866008 U CN201320866008 U CN 201320866008U CN 203697173 U CN203697173 U CN 203697173U
- Authority
- CN
- China
- Prior art keywords
- blade
- adjacent
- hole
- horizontal segment
- model
- 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
Abstract
The utility model discloses a three-hole curved blade, which is characterized by comprising a center hole (1) and edge holes (2), wherein the center hole (1) is formed in the blade; the edge holes (2) are symmetrically formed about the center hole; the blade is provided with an arc-shaped lower end; the upper end of the blade is provided with a cutting edge (K); moreover, the cutting edge comprises a horizontal section I (3), a semicircular section (4) adjacent to the horizontal section I, a horizontal section II (5) adjacent to the semicircular section, and an arc-shaped section (6) adjacent to the horizontal section II. The three-hole curved blade has the beneficial effects of improving the efficiency and lowering the cost.
Description
Technical field
The utility model relates to a kind of three hole curve blades.
Background technology
Existing blade is unsatisfactory in the efficiency of processing and the convenience of replacing.
Utility model content
The purpose of this utility model is exactly in order to address the above problem, and a kind of three hole curve blades are provided.
To achieve these goals, the utility model adopts following technical scheme:
Three hole curve blades, is characterized in that having:
Be located at the centre bore (1) of blade and be symmetrically arranged in the edge hole (2) of centre bore;
This blade has the lower end of an arc;
The upper end of this blade has cutting edge (K), and this cutting edge comprises: horizontal segment I (3), the semi-circular section (4) adjacent with horizontal segment I, the horizontal segment II (5) adjacent with semi-circular section, the segmental arc (6) adjacent with horizontal segment II.
Blade selects spring steel to make.
The utlity model has following beneficial effect: raise the efficiency, reduce costs.
Accompanying drawing explanation
Fig. 1 is three hole curve blade front views.
Fig. 2 is three hole curve blade left views.
Fig. 3 is three hole curve blade top views.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As Figure 1-3, three hole curve blades, it has: be located at the centre bore 1 of blade and be symmetrically arranged in the edge hole 2 of centre bore; This blade has the lower end of an arc; The upper end of this blade has cutting edge K, and this cutting edge comprises: horizontal segment I3, the semi-circular section 4 adjacent with horizontal segment I, the horizontal segment II5 adjacent with semi-circular section, the segmental arc 6 adjacent with horizontal segment II.This blade trailing flank tilts and the cutting edge of formation towards front side door, and this inclination angle is 40 degree.
Body (blade), is then holed and roughly grinds through excision forming with high-strength spring steel, heat treatment, and surface treatment, fine grinding is shaped.
The foregoing is only preferred embodiment of the present utility model, protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme that belongs to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvement of carrying out under the prerequisite that does not depart from principle of the present utility model, these improve and also should be considered as protection domain of the present utility model.
Claims (2)
1. three hole curve blades, is characterized in that having:
Be located at the centre bore (1) of blade and be symmetrically arranged in the edge hole (2) of centre bore;
This blade has the lower end of an arc;
The upper end of this blade has cutting edge (K), and this cutting edge comprises: horizontal segment I (3), the semi-circular section (4) adjacent with horizontal segment I, the horizontal segment II (5) adjacent with semi-circular section, the segmental arc (6) adjacent with horizontal segment II.
2. three hole curve blades according to claim 1, is characterized in that, blade selects spring steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320866008.7U CN203697173U (en) | 2013-12-25 | 2013-12-25 | Three-hole curved blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320866008.7U CN203697173U (en) | 2013-12-25 | 2013-12-25 | Three-hole curved blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203697173U true CN203697173U (en) | 2014-07-09 |
Family
ID=51047668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320866008.7U Expired - Fee Related CN203697173U (en) | 2013-12-25 | 2013-12-25 | Three-hole curved blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203697173U (en) |
-
2013
- 2013-12-25 CN CN201320866008.7U patent/CN203697173U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20171225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |