CN203067726U - Gear - Google Patents
Gear Download PDFInfo
- Publication number
- CN203067726U CN203067726U CN 201220756663 CN201220756663U CN203067726U CN 203067726 U CN203067726 U CN 203067726U CN 201220756663 CN201220756663 CN 201220756663 CN 201220756663 U CN201220756663 U CN 201220756663U CN 203067726 U CN203067726 U CN 203067726U
- Authority
- CN
- China
- Prior art keywords
- gear
- axis hole
- utility
- model
- axle hole
- 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
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Abstract
The utility model discloses a gear which comprises a gear body. An axle hole is formed in the center of the gear body. Two opposite sides of the axle hole are processed to be flat surfaces. Grooves are formed in the flat surfaces. A key groove is formed in a curved surface of the axle hole. The gear increases intensity of the axle hole, and service life of the gear is prolonged.
Description
Technical field
The utility model relates to a kind of gear.
Background technique
With reference to patent [201120571928.7], this patent is established groove at shaft hole inner wall and is discharged stress, but such structure makes shaft hole inner wall intensity reduce, and gear is connected with the logical major key of axle, establish keyway again in the axis hole inboard, can cause the intensity of gear axis hole inboard lower, influence working life.
The model utility content
The utility model purpose is to provide a kind of gear at the defective that prior art exists.
The utility model adopts following technological scheme for achieving the above object: a kind of gear comprises the gear body, described gear body center is provided with axis hole, described axis hole two opposing sides are processed into the plane, and described plane is provided with groove, and the curved surface of described axis hole is provided with keyway.
The beneficial effects of the utility model: the gear of this structure increases axis hole intensity, has increased the working life of gear.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Fig. 1 is a kind of gear, comprises gear body 1, and described gear body 1 center is provided with axis hole 2, and 2 liang of opposing sides of described axis hole are processed into the plane, and described plane is provided with groove 3, and the curved surface of described axis hole is provided with keyway 4.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (1)
1. gear, it is characterized in that: comprise the gear body, described gear body center is provided with axis hole, and described axis hole two opposing sides are processed into the plane, and described plane is provided with groove, and the curved surface of described axis hole is provided with keyway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220756663 CN203067726U (en) | 2012-12-26 | 2012-12-26 | Gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220756663 CN203067726U (en) | 2012-12-26 | 2012-12-26 | Gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203067726U true CN203067726U (en) | 2013-07-17 |
Family
ID=48766512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220756663 Expired - Fee Related CN203067726U (en) | 2012-12-26 | 2012-12-26 | Gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203067726U (en) |
-
2012
- 2012-12-26 CN CN 201220756663 patent/CN203067726U/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: 20130717 Termination date: 20131226 |