CN201621247U - Automobile engine chain wheel - Google Patents
Automobile engine chain wheel Download PDFInfo
- Publication number
- CN201621247U CN201621247U CN2010201118440U CN201020111844U CN201621247U CN 201621247 U CN201621247 U CN 201621247U CN 2010201118440 U CN2010201118440 U CN 2010201118440U CN 201020111844 U CN201020111844 U CN 201020111844U CN 201621247 U CN201621247 U CN 201621247U
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- CN
- China
- Prior art keywords
- shaped
- gear teeth
- axle sleeve
- motor car
- sprocket 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 - Fee Related
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Abstract
The utility model discloses an automobile engine chain wheel comprising a shaft sleeve. The two ends of the shaft sleeve are provided with openings, wheel teeth are arranged on the perphery of the opening at one end of the shaft sleeve, and an axial key groove is arranged on the inner wall of the shaft sleeve. The number of the wheel teeth is from 10 to 24, and arc-shaped cog grooves are arranged between the wheel teeth. The cog grooves have groove surfaces capable of being tangent with a circle. High-frequency quench hardening layers are arranged on the surfaces of the wheel teeth and the cog grooves. The automobile engine chain wheel having the advantages of novel structure and small volume is suitable for transmitting kinetic energy produced by the combustion of fuels in the engine cylinder to the power transmission mechanism of the engine. Large scale production can be conducted by powder metallurgy technique at low cost.
Description
Technical field
The utility model relates to the motor car engine field, specifically the motor car engine sprocket wheel.
Background technique
Utility model patent title: motor output sprocket, the patent No.: 200620111996.4 disclose a kind of motor output sprocket, comprise sprocket body, an end face of described sprocket body is extended with boss laterally, the center of this boss has splined hole, is distributed with mounting hole in the outside of splined hole.
There is unreasonable structure in existing motor output sprocket, and working life is low, mainly relies on import or conventional cast technology, manufacture cost height, problem that can't large-scale production.
Summary of the invention
Technical problem to be solved in the utility model is at above-mentioned prior art present situation, be suitable for the motor car engine sprocket wheel that powder metallurgical technique is produced and provide, with solve prior art medium power output sprocket unreasonable structure, can't low-cost mass production technical problem.
The utility model solves the problems of the technologies described above the technological scheme that is adopted: the motor car engine sprocket wheel, comprise axle sleeve, and the two ends of axle sleeve are shaped on opening, and the periphery of axle sleeve one end opening is shaped on the gear teeth, at the inwall of axle sleeve axial keyway is arranged.
For optimizing technique scheme, the measure of taking also comprises:
Above-mentioned gear teeth number is 10 to 24, is shaped on the teeth groove of arc between the gear teeth.
Teeth groove between the above-mentioned gear teeth have can with the tangent groove surface of circle.
The above-mentioned gear teeth and the surface of teeth groove are shaped on the high frequency hardening hardened layer respectively.
The above-mentioned interior edge of axle sleeve one end that is shaped on the gear teeth is shaped on chamfering.
The outer wall connecting part of the above-mentioned gear teeth and axle sleeve is shaped on fillet.
For ease of the accurate processing of the gear teeth, the end face of above-mentioned axle sleeve one end is shaped on the sign hole.
Above-mentioned axle sleeve is shaped on a circle groove away from the end face of the gear teeth one end, and the cross section of groove is 120 ° obtuse triangle, and the opening of groove is wide to be 2mm.
The internal diameter of above-mentioned axle sleeve is 25 to 26mm.
The tooth root of the above-mentioned gear teeth thick 3.9 is to 4.3mm, and the top of the gear teeth thick 3 is shaped on arc-shaped surface to 3.2mm between top and the tooth root.
Compared with prior art, motor car engine chain sprocket structure novelty of the present utility model, volume be little, be applicable to that the kinetic energy that the engine cylinder-body fuel combustion is produced drives to the power take-off mechanism of motor, can produce by the powder metallurgical technique large-scale low-cost.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is the local enlarged diagram in B place of Fig. 2;
Fig. 4 is the enlarged diagram of the gear teeth among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is to Figure 4 shows that structural representation of the present utility model.
Reference character wherein is: axle sleeve 1, gear teeth 1a, tooth root 11a, top 12a, arc-shaped surface 13a, keyway 1b, high frequency hardening hardened layer 1c, chamfering 1d, fillet 1e, sign hole 1f, groove 1g, opening 1h, opening 1j, teeth groove 2, groove surface 2a.
Motor car engine sprocket wheel of the present utility model is mainly used in the power take-off mechanism that the kinetic energy that the engine cylinder-body fuel combustion is produced drives to motor.
Motor car engine sprocket wheel of the present utility model comprises axle sleeve 1, is shaped on opening 1h and opening 1j respectively at the two ends of axle sleeve 1.
Periphery at axle sleeve 1 one end opening 1h is shaped on 10 to 24 gear teeth 1a, is shaped on the teeth groove 2 of arc between the gear teeth 1a.Teeth groove 2 between the gear teeth 1a have can with the tangent groove surface 2a of circle.
Inwall at axle sleeve 1 has axial keyway 1b, and keyway 1b is preferably rectangle groove.
Be shaped on high frequency hardening hardened layer 1c respectively on the surface of gear teeth 1a and teeth groove 2.
The outer wall connecting part of gear teeth 1a and axle sleeve 1 is shaped on fillet 1e.
For ease of processing, the end face of axle sleeve 1 one ends is shaped on sign hole 1f.
The internal diameter of axle sleeve 1 is 25 to 26mm, is preferably 25.5mm.
The tooth root 11a thick 3.9 of described gear teeth 1a is to 4.3mm.The top 12a thick 3 of gear teeth 1a is to 3.2mm.Be shaped on arc-shaped surface 13a between top 12a and the tooth root 11a.
The motor car engine sprocket wheel of present embodiment is shaped on 18 gear teeth 1a in the periphery of axle sleeve 1 one end opening 1h, the thick 4.1mm of tooth root 11a of gear teeth 1a, and the top 12a of gear teeth 1a is thick to be 3.1mm, is shaped on arc-shaped surface 13a between top 12a and the tooth root 11a.
The concrete technical parameter of the motor car engine sprocket wheel of present embodiment is as follows:
1. chemical composition: C compound 20 .4-0.8%, Cu0-1.5%, Mo0.5-1.0%, Ni2-4%.
2. global density 〉=6.8g/cm
3, gear teeth 1a density 〉=6.9g/cm
3
3. behind high frequency hardening, high frequency hardening hardened layer 1c hardness 〉=HRA60, dark＞0.6mm, tensile strength 〉=950MPa, impact toughness 〉=15-18J/cm
2
4. bright and clean, no wedge angle in motor car engine sprocket wheel edge and burr.
5. motor car engine sprocket wheel all sites is coated with rust preventive oil.
The motor car engine sprocket wheel of present embodiment is applicable to powder metallurgical technique production, has both reduced cost, can be mass-produced again.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (10)
1. the motor car engine sprocket wheel comprises axle sleeve (1), it is characterized in that: the two ends of described axle sleeve (1) are shaped on opening, are shaped on the gear teeth (1a) in the periphery of axle sleeve (1) one end opening, at the inwall of axle sleeve (1) axial keyway (1b) are arranged.
2. motor car engine sprocket wheel according to claim 1 is characterized in that: the described gear teeth (1a) number is 10 to 24, is shaped on the teeth groove (2) of arc between the gear teeth (1a).
3. motor car engine sprocket wheel according to claim 2 is characterized in that: the teeth groove (2) between the described gear teeth (1a) have can with the tangent groove surface (2a) of circle.
4. motor car engine sprocket wheel according to claim 3 is characterized in that: the surface of the described gear teeth (1a) and teeth groove (2) is shaped on high frequency hardening hardened layer (1c) respectively.
5. motor car engine sprocket wheel according to claim 4 is characterized in that: axle sleeve (1) one end that is shaped on the described gear teeth (1a) is interior along being shaped on chamfering (1d).
6. motor car engine sprocket wheel according to claim 5 is characterized in that: the described gear teeth (1a) are shaped on fillet (1e) with the outer wall connecting part of axle sleeve (1).
7. motor car engine sprocket wheel according to claim 6 is characterized in that: the end face of described axle sleeve (1) one end is shaped on sign hole (1f).
8. motor car engine sprocket wheel according to claim 7 is characterized in that: described axle sleeve (1) is shaped on a circle groove (1g) away from the end face of the gear teeth (1a) end, and the cross section of groove (1g) is 120 ° obtuse triangle, and the opening of groove (1g) is wide to be 2mm.
9. motor car engine sprocket wheel according to claim 8 is characterized in that: the internal diameter of described axle sleeve (1) is 25 to 26mm.
10. motor car engine sprocket wheel according to claim 9, it is characterized in that: the tooth root (11a) thick 3.9 of the described gear teeth (1a) is to 4.3mm, the top (12a) thick 3 of the gear teeth (1a) is shaped on arc-shaped surface (13a) to 3.2mm between top (12a) and the tooth root (11a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201118440U CN201621247U (en) | 2010-02-04 | 2010-02-04 | Automobile engine chain wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201118440U CN201621247U (en) | 2010-02-04 | 2010-02-04 | Automobile engine chain wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201621247U true CN201621247U (en) | 2010-11-03 |
Family
ID=43024702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201118440U Expired - Fee Related CN201621247U (en) | 2010-02-04 | 2010-02-04 | Automobile engine chain wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201621247U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705482A (en) * | 2012-06-11 | 2012-10-03 | 芜湖汉光立体停车设备有限公司 | Chain wheel of speed reducer |
| CN102808920A (en) * | 2012-08-29 | 2012-12-05 | 吕元之 | Powder metallurgy gear sleeve for automobile transmission |
| CN106989158A (en) * | 2017-05-24 | 2017-07-28 | 宁波金鑫粉末冶金有限公司 | A kind of automobile engine water pump driving wheel structure |
-
2010
- 2010-02-04 CN CN2010201118440U patent/CN201621247U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705482A (en) * | 2012-06-11 | 2012-10-03 | 芜湖汉光立体停车设备有限公司 | Chain wheel of speed reducer |
| CN102808920A (en) * | 2012-08-29 | 2012-12-05 | 吕元之 | Powder metallurgy gear sleeve for automobile transmission |
| CN106989158A (en) * | 2017-05-24 | 2017-07-28 | 宁波金鑫粉末冶金有限公司 | A kind of automobile engine water pump driving wheel structure |
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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: 20101103 Termination date: 20170204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |