CN201448135U - Camshaft belt pulley of powder metallurgy engine - Google Patents
Camshaft belt pulley of powder metallurgy engine Download PDFInfo
- Publication number
- CN201448135U CN201448135U CN2009200439403U CN200920043940U CN201448135U CN 201448135 U CN201448135 U CN 201448135U CN 2009200439403 U CN2009200439403 U CN 2009200439403U CN 200920043940 U CN200920043940 U CN 200920043940U CN 201448135 U CN201448135 U CN 201448135U
- Authority
- CN
- China
- Prior art keywords
- powder metallurgy
- cam shaft
- engine cam
- shaft pulley
- wheel
- 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 - Lifetime
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- Pulleys (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model discloses a camshaft belt pulley of a powder metallurgy engine, which comprises a wheel shaft equipped with an axle center hole. Wheel ribs which are arranged on the periphery of the wheel shaft are equipped with wheel teeth. The density of the camshaft belt pulley of the powder metallurgy engine is not less than 6.6g/cm3. The camshaft belt pulley of a powder metallurgy engine is unique in appearance and design, and then can meet using requirements of loading mechanical products. Further, the camshaft belt pulley is high in precision, thereby guaranteeing stable operation, having low noise and saving energy consumption.
Description
Technical field
The utility model relates to a kind of engine cam shaft pulley, relates in particular to a kind of powder metallurgy engine cam shaft pulley.
Background technique
At present, powder metallurgy engine cam shaft pulley is to use in the driving mechanism of motor car engine, and the requirement of strength of belt pulley itself was not only wear-resisting but also can shock resistance, and belt pulley is to product design size and all very high part of functional requirement thus.And prepared in the prior art belt pulley, the diversity ratio between part and the part is bigger, and precision is not enough, all can not satisfy usage requirement.
The model utility content
Goal of the invention: at the deficiencies in the prior art, the purpose of this utility model provides a kind of powder metallurgy engine cam shaft pulley, to realize that product has the precision height, the characteristic that dimensional stability is good.
Technological scheme: in order to realize the foregoing invention purpose, the technical solution adopted in the utility model is:
A kind of powder metallurgy engine cam shaft pulley comprises the wheel shaft that is provided with axle center hole, is provided with the wheel rib in the periphery of described wheel shaft, is provided with the gear teeth on the rib described the wheel.
On the inner side surface of described wheel shaft, be provided with keyway.Between described wheel shaft and wheel rib, be provided with flange.Described wheel shaft outwards slightly extends vertically, and the length of extension can surpass half of axial width of the gear teeth.
The described rib of taking turns has 2 at least, preferred 6.
The axial width of the described gear teeth is greater than the axial width of wheel shaft.
Described engine cam shaft pulley comprises the component of following parts by weight, carbon: 0.4～1; Copper: 1～5; Impurity :≤1; Residue is iron.The density of described engine cam shaft pulley is not less than 6.6g/cm
3The hardness number of described engine cam shaft pulley is not less than HB 110.
The material of powder metallurgy engine cam shaft pulley of the present utility model is the Fe-Cu-C alloy, and density is at 6.6g/cm
3More than.Iron-based raw material warm-pressing formation at a certain temperature, carry out the technology path that an oil immersion is processed then after adopting high temperature sintering, thereby obtain high hardness, high wear resistance and high-intensity part.
Beneficial effect: this engine cam shaft pulley is by powder metallurgical technique, highi degree of accuracy, high-strength powder metallurgical engine cam shaft pulley part that success is made.The density of this engine cam shaft pulley is not less than 6.6g/cm
3, hardness number is not less than HB 110.This engine cam shaft pulley configuration design uniqueness can meet the usage requirement of load machinery series products.Highi degree of accuracy has guaranteed running steadily, and noise is little, energy efficient.
Description of drawings
Fig. 1 is the plan view of powder metallurgy engine cam shaft pulley of the present invention.
Fig. 2 is the rear view of powder metallurgy engine cam shaft pulley of the present invention.
Fig. 3 is that the A-A of Fig. 1 is to sectional view.
Embodiment
Below in conjunction with accompanying drawing the utility model is further explained.
As Fig. 1, Fig. 2 and shown in Figure 3, be powder metallurgy engine cam shaft pulley of the present utility model.This powder metallurgy engine cam shaft pulley comprises the wheel shaft 5 that is provided with axle center hole 3, is provided with wheel rib 1 in the periphery of described wheel shaft 5, is provided with the gear teeth 2 on the rib 1 described the wheel.
On the inner side surface of described wheel shaft 5, be provided with keyway 4.Between described wheel shaft 5 and wheel rib 1, be provided with flange 6.Described wheel shaft 5 outwards slightly extends vertically, and the length of extension can surpass half of axial width of the gear teeth 2.
The described rib 1 of taking turns has 6.The axial width of the described gear teeth 2 is greater than the axial width of wheel shaft 5.
Described engine cam shaft pulley comprises the component of following parts by weight, carbon: 0.4～1; Copper: 1～5; Impurity :≤1; Residue is iron.The density of described engine cam shaft pulley is not less than 6.6g/cm
3
The material of powder metallurgy engine cam shaft pulley of the present utility model is the Fe-Cu-C alloy, and density is at 6.6g/cm
3More than.Iron-based raw material warm-pressing formation at a certain temperature, adopt high temperature sintering after, the technology path that carries out an oil immersion and processing, thus obtain high hardness, high wear resistance and high-intensity part.
This engine cam shaft pulley is by powder metallurgical technique, highi degree of accuracy, high-strength powder metallurgical engine cam shaft pulley part that success is made.The density of this engine cam shaft pulley is not less than 6.6g/cm
3, hardness number is not less than HB 110.This engine cam shaft pulley configuration design uniqueness can meet the usage requirement of load machinery series products.Highi degree of accuracy has guaranteed running steadily, and noise is little, energy efficient.
Claims (9)
1. powder metallurgy engine cam shaft pulley is characterized in that: comprise the wheel shaft (5) that is provided with axle center hole (3), be provided with wheel rib (1) in the periphery of described wheel shaft (5), be provided with the gear teeth (2) on the rib (1) described the wheel.
2. powder metallurgy engine cam shaft pulley according to claim 1 is characterized in that: be provided with keyway (4) on the inner side surface of described wheel shaft (5).
3. powder metallurgy engine cam shaft pulley according to claim 1 is characterized in that: be provided with flange (6) between described wheel shaft (5) and wheel rib (1).
4. powder metallurgy engine cam shaft pulley according to claim 1 is characterized in that: described wheel shaft (5) outwards slightly extends vertically.
5. powder metallurgy engine cam shaft pulley according to claim 1 is characterized in that: the described rib (1) of taking turns has 2 at least.
6. powder metallurgy engine cam shaft pulley according to claim 5 is characterized in that: the described rib (1) of taking turns has 6.
7. powder metallurgy engine cam shaft pulley according to claim 1 is characterized in that: the axial width of the described gear teeth (2) is greater than the axial width of wheel shaft (5).
8. powder metallurgy engine cam shaft pulley according to claim 1, it is characterized in that: the density of described engine cam shaft pulley is not less than 6.6g/cm
3
9. powder metallurgy engine cam shaft pulley according to claim 1, it is characterized in that: the hardness number of described engine cam shaft pulley is not less than HB 110.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200439403U CN201448135U (en) | 2009-06-08 | 2009-06-08 | Camshaft belt pulley of powder metallurgy engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200439403U CN201448135U (en) | 2009-06-08 | 2009-06-08 | Camshaft belt pulley of powder metallurgy engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201448135U true CN201448135U (en) | 2010-05-05 |
Family
ID=42552850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200439403U Expired - Lifetime CN201448135U (en) | 2009-06-08 | 2009-06-08 | Camshaft belt pulley of powder metallurgy engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201448135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728710A (en) * | 2016-03-24 | 2016-07-06 | 扬州保来得科技实业有限公司 | Automobile EPS (electric power steering) spiral belt pulley |
-
2009
- 2009-06-08 CN CN2009200439403U patent/CN201448135U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728710A (en) * | 2016-03-24 | 2016-07-06 | 扬州保来得科技实业有限公司 | Automobile EPS (electric power steering) spiral belt pulley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100505 |
|
| CX01 | Expiry of patent term |