CN202790417U - Crankshaft gear - Google Patents
Crankshaft gear Download PDFInfo
- Publication number
- CN202790417U CN202790417U CN 201220358827 CN201220358827U CN202790417U CN 202790417 U CN202790417 U CN 202790417U CN 201220358827 CN201220358827 CN 201220358827 CN 201220358827 U CN201220358827 U CN 201220358827U CN 202790417 U CN202790417 U CN 202790417U
- Authority
- CN
- China
- Prior art keywords
- gear
- hole
- teeth
- disc
- crankshaft
- 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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- Gears, Cams (AREA)
Abstract
The utility model discloses a crankshaft gear which comprises a gear disc. The gear disc is free of surface defects and is subjected to rustproof treatment, a plurality of gear teeth are respectively arranged on the circumferential edge of the gear disc and surround the gear disc, a tooth socket is arranged between each two adjacent gear teeth, and arc-shaped chamfers are respectively arranged on two sides of the bottom of each tooth socket; and a through hole is arranged in the middle of the gear disc, a rectangular key groove is arranged on one side of the through hole, and an anti-corrosion layer is arranged on the inner wall of the through hole. The crankshaft gear is compact in structure, the arc-shaped chamfers are arranged in the tooth sockets, the meshing tightness between gears is strengthened, abrasion of the gear is reduced, and a transmission effect is improved. Besides, the rectangular key groove is arranged on the gear and brings convenience for assembly and maintenance for the gear and a driving shaft. In addition, the anti-corrosion layer is arranged on the inner wall of the central hole of the gear, and accordingly the abrasion resistance of the gear is improved.
Description
Technical field
The utility model relates to the part field of motor, specifically a kind of crankshaft gear.
Background technique
Motor be a kind of can being converted into of other form another kind of can machine, normally be converted into mechanical energy to chemical energy.Motor both had been applicable to power generating apparatus, also can refer to comprise the whole machine of power plant.And bent axle is the main rotary gadget of engine, load onto connecting rod after, can accept connecting rod about (back and forth) motion become circulation (rotation) and move.Important parts on the motor.
Gear is the common gearing parts of engine interior.The gear of available engine mounted inside vibrates larger in the course of the work, produces a large amount of noises when causing work, thereby has influence on the normal operation of motor.
The model utility content
The purpose of this utility model provides a kind of crankshaft gear, and arc angling is set in teeth groove, strengthens the tightness that meshes between the gear, reduces the wearing and tearing of gear, to improve the transmission effect, reduces noise; At gear the rectangle keyway is set, to make things convenient for the I﹠ M of gear; In addition, at the inwall of gear center hole corrosion-resistant coating is set, to improve the wear resistance of gear.
The technical solution of the utility model is as follows:
A kind of crankshaft gear, include by surperficial zero defect and carry out antirust processing wheel disc, edge, surrounding around wheel disc has a plurality of gear teeth respectively, and it is characterized in that: have teeth groove between adjacent two gear teeth, the both sides of described teeth groove bottom land are respectively equipped with arc angling; The middle part of described wheel disc is provided with through hole, and a side of described through hole is provided with the rectangle keyway, has corrosion-resistant coating on the inwall of through hole.
Described crankshaft gear is characterized in that: have live axle from described through hole, to pass and with the through hole interference fit.
The beneficial effects of the utility model:
The utility model compact structure arranges arc angling in teeth groove, strengthened the tightness that meshes between the gear, reduces the wearing and tearing of gear, has improved the transmission effect; At gear the rectangle keyway is set, has made things convenient for the I﹠ M of gear and live axle; In addition, at the inwall of gear center hole corrosion-resistant coating is set, has improved the wear resistance of gear.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Referring to Fig. 1, a kind of crankshaft gear includes by surperficial zero defect and carries out antirust processing wheel disc 1, around the surrounding of wheel disc 1 along having a plurality of gear teeth 2 respectively, has teeth groove 3 between adjacent two gear teeth, and the both sides of teeth groove 3 bottom lands are respectively equipped with arc angling 4; The middle part of wheel disc 1 is provided with through hole 5, and a side of through hole 5 is provided with rectangle keyway 6, has corrosion-resistant coating 7 on the inwall of through hole 5.
In the utility model, have live axle from through hole 5, to pass and with through hole 5 interference fit.
Claims (2)
1. crankshaft gear, include by surperficial zero defect and carry out antirust processing wheel disc, edge, surrounding around wheel disc has a plurality of gear teeth respectively, and it is characterized in that: have teeth groove between adjacent two gear teeth, the both sides of described teeth groove bottom land are respectively equipped with arc angling; The middle part of described wheel disc is provided with through hole, and a side of described through hole is provided with the rectangle keyway, has corrosion-resistant coating on the inwall of through hole.
2. crankshaft gear according to claim 1 is characterized in that: have live axle from described through hole, to pass and with the through hole interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358827 CN202790417U (en) | 2012-07-23 | 2012-07-23 | Crankshaft gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358827 CN202790417U (en) | 2012-07-23 | 2012-07-23 | Crankshaft gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790417U true CN202790417U (en) | 2013-03-13 |
Family
ID=47817683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220358827 Expired - Fee Related CN202790417U (en) | 2012-07-23 | 2012-07-23 | Crankshaft gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122441A (en) * | 2016-08-15 | 2016-11-16 | 常州市武进金城齿轮有限公司 | Multi-layer gear |
-
2012
- 2012-07-23 CN CN 201220358827 patent/CN202790417U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122441A (en) * | 2016-08-15 | 2016-11-16 | 常州市武进金城齿轮有限公司 | Multi-layer gear |
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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: 20130313 Termination date: 20140723 |
|
| EXPY | Termination of patent right or utility model |