CN202746578U - Piston rod - Google Patents
Piston rod Download PDFInfo
- Publication number
- CN202746578U CN202746578U CN 201220435930 CN201220435930U CN202746578U CN 202746578 U CN202746578 U CN 202746578U CN 201220435930 CN201220435930 CN 201220435930 CN 201220435930 U CN201220435930 U CN 201220435930U CN 202746578 U CN202746578 U CN 202746578U
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- China
- Prior art keywords
- rod
- piston rod
- utility
- model
- external diameter
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- 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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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a piston rod, which comprises a rod body (1), wherein one end of the rod body (1) is provided with a screwed joint (2); the other end of the rod body (1) is provided with a rod head (3); the outer diameter of the screwed joint (2) is less than that of the rod head (3); the outer diameter of the rod head (3) is less than that of the rod body (1); and the surface of the rod body (1) is sequentially provided with a titanium metal layer (4) and a superhard film coating layer (5) from inside to outside. The piston rod has excellent wear resistance performance and has the effects of reducing the friction and lubrication; and the service life of the piston rod is greatly prolonged.
Description
Technical field
The utility model relates to a kind of vehicle piston bar, relates in particular to a kind of piston rod.
Background technique
In the prior art, piston rod is made with No. 45 steel or medium size Steel material, and then heat-treats, and improves its mechanical property, but piston rod after Overheating Treatment, its surface hardness is still lower, wear-resisting property is relatively poor, working life is low.
The model utility content
The technical problem that (one) will solve
The technical problems to be solved in the utility model provides a kind of piston rod, and is poor to overcome in the prior art piston rod wear-resisting property, the defective that working life is low.
(2) technological scheme
For achieving the above object, the utility model provides a kind of piston rod, comprises the body of rod, one end of the described body of rod is provided with inipple, the other end is provided with the bar head, and the external diameter of described inipple is less than the external diameter of described bar head, and the external diameter of described bar head is less than the external diameter of the described body of rod; The surface of the described body of rod is provided with titanium coating and superhard film coating from inside to outside successively.
Wherein, described superhard film coating is titanium carbide.
(3) beneficial effect
Compared with prior art, piston rod hardness of the present utility model is up to HV2600, and wear-resisting property is good, and has the lubricated effect of reducing friction, the working life of having improved greatly piston rod.
Description of drawings
Fig. 1 is the structural representation of the utility model piston rod.
In the accompanying drawing: 1, the body of rod, 2, inipple, 3, the bar head, 4, titanium coating, 5, superhard film coating.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
Piston rod of the present utility model comprises the body of rod 1 as shown in Figure 1, and an end of the described body of rod 1 is provided with inipple 2, and the other end is provided with bar head 3, and the external diameter of described inipple 2 is less than the external diameter of described bar head 3, and the external diameter of described bar head 3 is less than the external diameter of the described body of rod 1; The surface of the described body of rod 1 is provided with titanium coating 4 and superhard film coating 5 from inside to outside successively.(titanium carbide TiC is typical transition metal carbide to described superhard film coating 5 for titanium carbide.Its of bonding is to be blended in the same crystalline structure by ionic bond, covalent bond and metallic bond, so titanium carbide has the performance of many uniquenesses.The structures shape of crystal titanium carbide have the essential characteristic of high hardness, high-melting-point, wear-resistant and electric conductivity).Ti metal not only can improve both adhesive strengths, can also eliminate the impact of internal stress.
Piston rod hardness of the present utility model is up to HV2600, and wear-resisting property is good, and has the lubricated effect of reducing friction, the working life of having improved greatly piston rod.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (2)
1. piston rod, comprise the body of rod (1), an end of the described body of rod (1) is provided with inipple (2), and the other end is provided with bar head (3), the external diameter of described inipple (2) is less than the external diameter of described bar head (3), and the external diameter of described bar head (3) is less than the external diameter of the described body of rod (1); It is characterized in that: the surface of the described body of rod (1) is provided with titanium coating (4) and superhard film coating (5) from inside to outside successively.
2. piston rod according to claim 1, it is characterized in that: described superhard film coating (5) is titanium carbide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220435930 CN202746578U (en) | 2012-08-30 | 2012-08-30 | Piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220435930 CN202746578U (en) | 2012-08-30 | 2012-08-30 | Piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202746578U true CN202746578U (en) | 2013-02-20 |
Family
ID=47705977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220435930 Expired - Fee Related CN202746578U (en) | 2012-08-30 | 2012-08-30 | Piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202746578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235360A (en) * | 2014-09-16 | 2014-12-24 | 四川金星压缩机制造有限公司 | Multilayer nano hard coating piston rod and processing process thereof |
-
2012
- 2012-08-30 CN CN 201220435930 patent/CN202746578U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235360A (en) * | 2014-09-16 | 2014-12-24 | 四川金星压缩机制造有限公司 | Multilayer nano hard coating piston rod and processing process thereof |
| CN104235360B (en) * | 2014-09-16 | 2016-03-23 | 四川金星清洁能源装备股份有限公司 | Multilayer Nano Hard Coating Piston Rod and Its Processing Technology |
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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: 20130220 Termination date: 20130830 |