CN204037646U - 一种动力转向器的扭杆 - Google Patents
一种动力转向器的扭杆 Download PDFInfo
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- CN204037646U CN204037646U CN201420443388.8U CN201420443388U CN204037646U CN 204037646 U CN204037646 U CN 204037646U CN 201420443388 U CN201420443388 U CN 201420443388U CN 204037646 U CN204037646 U CN 204037646U
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- 238000005121 nitriding Methods 0.000 claims abstract description 5
- 238000005480 shot peening Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
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Abstract
本实用新型公开了一种动力转向器的扭杆，包括扭杆本体，所述扭杆本体的表面上有渗氮层。所述渗碳层的厚度为0.0025-0.0254mm，表面硬度为≥49.5HRC，扭杆芯部的硬度为38HRCmax。本实用新型具有寿命长的优点。
Description
技术领域：
本实用新型涉及动力转向器，特别是一种动力转向器的扭杆。
背景技术：
扭杆是转向器的重要零件，扭杆的失效部位为细脖处发生断裂，导致其寿命短。
发明内容：
本实用新型目的是提供一种寿命长的一种动力转向器的扭杆。
实现本实用新型目的的技术方案是，一种动力转向器的扭杆，包括扭杆本体，其特征在于：所述扭杆本体的表面上有渗氮层,所述渗碳层的厚度为0.0025-0.0254mm，表面硬度为≥49.5HRC，扭杆芯部的硬度为38 HRC max。
本实用新型与现有技术比较具有寿命长的优点。
附图说明：
图1是本实用新型的结构示意图。
具体实施方式：
经过对现有扭杆的加工工艺的分析和实验研究，现有扭杆的加工工艺是，为了提高扭杆的抗疲劳强度，在扭杆表面进行喷丸，使扭杆的表面形成硬化层结构，提高其抗疲劳性能，但这种喷丸形成的硬化层的抗疲劳强度仍不够理想，导致其寿命较短。
为解决上述寿命短的问题，经试验变喷丸为渗氮，获得了显著效果。
渗碳氮工艺参数为：离子渗氮层的厚度0.0025-0.0254mm，表面硬度≥49.5HRC，芯部硬度为38HRC max。
所制成的扭杆的疲劳寿命提高了3倍以上。
Claims (1)
1.一种动力转向器的扭杆，包括扭杆本体，其特征在于：所述扭杆本体的表面上有渗氮层,渗碳层的厚度为0.0025-0.0254mm，表面硬度为≥49.5HRC，扭杆芯部的硬度为38 HRC max。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420443388.8U CN204037646U (zh) | 2014-08-07 | 2014-08-07 | 一种动力转向器的扭杆 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420443388.8U CN204037646U (zh) | 2014-08-07 | 2014-08-07 | 一种动力转向器的扭杆 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204037646U true CN204037646U (zh) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420443388.8U Expired - Lifetime CN204037646U (zh) | 2014-08-07 | 2014-08-07 | 一种动力转向器的扭杆 |
Country Status (1)
| Country | Link |
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| CN (1) | CN204037646U (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635004A (zh) * | 2014-11-26 | 2021-11-12 | 操纵技术Ip控股公司 | 能实现淘汰用于扭杆的过程的设计改变 |
-
2014
- 2014-08-07 CN CN201420443388.8U patent/CN204037646U/zh not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635004A (zh) * | 2014-11-26 | 2021-11-12 | 操纵技术Ip控股公司 | 能实现淘汰用于扭杆的过程的设计改变 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Patentee after: YUBEI STEERING SYSTEM (XINXIANG) CO.,LTD. Address before: 453003 Heping Avenue, Hongqi District, Henan, Xinxiang 322 Patentee before: YUBEI STEERING SYSTEM Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Patentee after: North Henan Steering System (Xinxiang) Co.,Ltd. Address before: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Patentee before: YUBEI STEERING SYSTEM (XINXIANG) CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141224 |
|
| CX01 | Expiry of patent term |