CN103591253A - Automobile gear structure - Google Patents
Automobile gear structure Download PDFInfo
- Publication number
- CN103591253A CN103591253A CN201310605663.1A CN201310605663A CN103591253A CN 103591253 A CN103591253 A CN 103591253A CN 201310605663 A CN201310605663 A CN 201310605663A CN 103591253 A CN103591253 A CN 103591253A
- Authority
- CN
- China
- Prior art keywords
- wear
- resistant coating
- gear structure
- central shaft
- shaft 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Gears, Cams (AREA)
Abstract
The invention discloses an automobile gear structure which comprises a gear body and a plurality of teeth arranged on the outer circumference of the gear body. The gear body is provided with a central shaft hole, the outer surfaces of the teeth are provided with a composite wear-resisting coating which sequentially comprises a zirconium carbide wear-resisting coating, a tungsten carbide wear-resisting coating and an aluminium oxide wear-resisting coating from inside to outside, and a key groove is formed in the central shaft hole. The automobile gear structure is simple and reasonable, good in wear resistance and long in service life.
Description
Technical field
The present invention relates to gear technique field, particularly relate to a kind of automobile gear structure.
Background technique
Gear industry has obtained develop rapidly in China.Gear is the intermeshing mechanical parts that have tooth of energy, and the application of gear in transmission occurred very early.
An important use of gear is to be used in the transmission system of automobile, and as gearbox gear, the wear-resisting property of existing this gear is not good, and working life is short, and usability is bad.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of automobile gear structure, simple and reasonable, and wear resistance is good, long service life.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is: a kind of automobile gear structure is provided, comprise: gear body and be arranged on a plurality of teeth on described gear body excircle, on described gear body, be provided with central shaft hole, on the outer surface of described teeth, be provided with composite anti-wear coating, described composite anti-wear coating from inside to outside comprises zirconium carbide wear resistant coating, tungsten carbide wear-resistant coating and aluminium sesquioxide wear resistant coating successively, and described central shaft hole place is provided with keyway.
In a preferred embodiment of the present invention, the thickness of described zirconium carbide wear resistant coating is 12 ~ 15 microns.
In a preferred embodiment of the present invention, the diameter of described central shaft hole is the outside diameter of gear 0.2 ~ 0.3 times.
In a preferred embodiment of the present invention, the thickness of described tungsten carbide wear-resistant coating is 12 ~ 15 microns.
In a preferred embodiment of the present invention, the thickness of described aluminium sesquioxide wear resistant coating is 15 ~ 20 microns.
The invention has the beneficial effects as follows: automobile gear structure of the present invention, simple and reasonable, wear resistance is good, long service life.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also according to these accompanying drawings, obtain other accompanying drawing, wherein:
Fig. 1 is the structural representation of automobile gear structure one preferred embodiment of the present invention.
In accompanying drawing, the mark of each parts is as follows: 1, gear body, 2, teeth, 3, central shaft hole.
Embodiment
Below the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making all other embodiments that obtain under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
A kind of automobile gear structure, comprise: gear body 1 and be arranged on a plurality of teeth 2 on described gear body 1 excircle, on described gear body 1, be provided with central shaft hole 3, on the outer surface of described teeth 2, be provided with composite anti-wear coating, described composite anti-wear coating from inside to outside comprises zirconium carbide wear resistant coating, tungsten carbide wear-resistant coating and aluminium sesquioxide wear resistant coating successively, described composite anti-wear coating has strengthened the wear-resisting resistance to extrusion performance of teeth 2, has extended its working life.
Described central shaft hole 3 places are provided with keyway.
Preferably, the thickness of described zirconium carbide wear resistant coating is 12 ~ 15 microns.
The diameter of described central shaft hole 3 is 0.2 ~ 0.3 times of the outside diameter of gear.
Preferably, the thickness of described tungsten carbide wear-resistant coating is 12 ~ 15 microns.
Preferably, the thickness of described aluminium sesquioxide wear resistant coating is 15 ~ 20 microns.
Automobile gear structure of the present invention, simple and reasonable, wear resistance is good, long service life.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. an automobile gear structure, it is characterized in that, comprise: gear body and be arranged on a plurality of teeth on described gear body excircle, on described gear body, be provided with central shaft hole, on the outer surface of described teeth, be provided with composite anti-wear coating, described composite anti-wear coating from inside to outside comprises zirconium carbide wear resistant coating, tungsten carbide wear-resistant coating and aluminium sesquioxide wear resistant coating successively, and described central shaft hole place is provided with keyway.
2. automobile gear structure according to claim 1, is characterized in that, the thickness of described zirconium carbide wear resistant coating is 12 ~ 15 microns.
3. automobile gear structure according to claim 1, is characterized in that, the diameter of described central shaft hole is the outside diameter of gear 0.2 ~ 0.3 times.
4. automobile gear structure according to claim 1, is characterized in that, the thickness of described tungsten carbide wear-resistant coating is 12 ~ 15 microns.
5. automobile gear structure according to claim 1, is characterized in that, the thickness of described aluminium sesquioxide wear resistant coating is 15 ~ 20 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310605663.1A CN103591253A (en) | 2013-11-26 | 2013-11-26 | Automobile gear structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310605663.1A CN103591253A (en) | 2013-11-26 | 2013-11-26 | Automobile gear structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103591253A true CN103591253A (en) | 2014-02-19 |
Family
ID=50081504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310605663.1A Pending CN103591253A (en) | 2013-11-26 | 2013-11-26 | Automobile gear structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103591253A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937597A (en) * | 2015-12-19 | 2016-09-14 | 綦江祥和机械有限公司 | Wear-resisting gear |
| CN106402333A (en) * | 2016-12-14 | 2017-02-15 | 苏州陈恒织造有限公司 | Wear-resisting gear |
-
2013
- 2013-11-26 CN CN201310605663.1A patent/CN103591253A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937597A (en) * | 2015-12-19 | 2016-09-14 | 綦江祥和机械有限公司 | Wear-resisting gear |
| CN106402333A (en) * | 2016-12-14 | 2017-02-15 | 苏州陈恒织造有限公司 | Wear-resisting gear |
| CN106402333B (en) * | 2016-12-14 | 2019-05-17 | 苏州卫优知识产权运营有限公司 | A kind of wear-resistant gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140219 |