JPH0330254U - - Google Patents
Info
- Publication number
- JPH0330254U JPH0330254U JP8894789U JP8894789U JPH0330254U JP H0330254 U JPH0330254 U JP H0330254U JP 8894789 U JP8894789 U JP 8894789U JP 8894789 U JP8894789 U JP 8894789U JP H0330254 U JPH0330254 U JP H0330254U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- rack shaft
- steering rack
- hardened
- coils
- 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.)
- Granted
Links
- 230000006698 induction Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
Landscapes
- Heat Treatment Of Articles (AREA)
Description
第１図は本考案のステアリングラツク軸の高周
波通電誘導コイルとラツク軸の斜視図、第２図は
同要部の説明用模式図、第３図はコイルの変形例
を示す要部の説明用模式図、第４図ａ，ｂは焼入
硬化層の形成状況を示す説明用横断面図及び説明
用部分縦断面図、第５図は高周波通電誘導コイル
の説明用模式図、第６図は同焼入硬化層の形成状
況を示す説明用横断面図である。
符号の説明、１……ステアリングラツク軸の高
周波通電誘導コイル、３……ステアリングラツク
軸、１１，１２……コイル、１１ａ，１２ａ……
コイル面、１１ｂ，１２ｂ……段部、１１ｃ，１
２ｃ……勾配部、１３ａ，１３ｂ……通電チツプ
、２０……磁束遮断部材、３１，３２……ラツク
歯。
Fig. 1 is a perspective view of the high-frequency energized induction coil of the steering rack shaft of the present invention and the rack shaft, Fig. 2 is a schematic diagram for explaining the essential parts, and Fig. 3 is an explanatory diagram of the main parts showing a modification of the coil. A schematic diagram, FIG. 4 a and b are an explanatory cross-sectional view and an explanatory partial vertical cross-sectional view showing the state of formation of a quenched hardened layer, FIG. 5 is an explanatory schematic diagram of a high-frequency current induction coil, and FIG. It is an explanatory cross-sectional view showing the formation situation of the same quench hardened layer. Explanation of the symbols: 1... High-frequency energized induction coil of steering rack shaft, 3... Steering rack shaft, 11, 12... Coil, 11a, 12a...
Coil surface, 11b, 12b... step part, 11c, 1
2c... Gradient portion, 13a, 13b... Current carrying chip, 20... Magnetic flux blocking member, 31, 32... Rack teeth.
Claims (1)
２を形成した２面が略Ｖ形状を成している被焼入
部３０に面向し、略相似形のＶ形状を成す２つの
平板状のコイル１１，１２と、各コイル１１，１
２の長手方向端部に各々相互に絶縁された状態で
、また被焼入部３０の両端に当接するように突設
された一対の通電チツプ１３ａ，１３ｂとを有し
た高周波通電誘導コイル１において、上記コイル
１１，１２の内側端縁間に磁束遮断部材２０を介
設すると共に、上記コイル１１，１２の表面１１
ａ，１２ａの外側端縁近傍部に被焼入部から遠ざ
かる段部１１ｂ，１２ｂ又は勾配部１１ｃ，１２
ｃを設けたことを特徴とするステアリングラツク
軸の高周波通電誘導コイル。 ２ 上記磁束遮断部材２０がフエライトコアから
成る請求項１記載のコイル。 ３ 上記ステアリングラツク軸３は４ＷＳ用パワ
ーステアリングラツク軸である請求項１記載のコ
イル。[Claims for Utility Model Registration] 1. Rack teeth 31, 3 of steering rack shaft 3
Two flat coils 11 and 12 each having a substantially similar V-shape and facing the hardened part 30 having a substantially V-shape, and each coil 11, 1
In the high-frequency current-carrying induction coil 1, a pair of current-carrying chips 13a and 13b are provided at the longitudinal ends of the coil 1 in a mutually insulated state and protruding so as to abut both ends of the part to be hardened 30. A magnetic flux blocking member 20 is interposed between the inner edges of the coils 11 and 12, and the surface 11 of the coils 11 and 12 is
Stepped portions 11b, 12b or sloped portions 11c, 12 that move away from the part to be hardened near the outer edges of a, 12a.
A high frequency energizing induction coil for a steering rack shaft, characterized in that it is provided with a. 2. The coil according to claim 1, wherein the magnetic flux blocking member 20 comprises a ferrite core. 3. The coil according to claim 1, wherein the steering rack shaft 3 is a power steering rack shaft for 4WS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8894789U JPH0332515Y2 (en) | 1989-07-27 | 1989-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8894789U JPH0332515Y2 (en) | 1989-07-27 | 1989-07-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0330254U true JPH0330254U (en) | 1991-03-25 |
| JPH0332515Y2 JPH0332515Y2 (en) | 1991-07-10 |
Family
ID=31638540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8894789U Expired JPH0332515Y2 (en) | 1989-07-27 | 1989-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0332515Y2 (en) |
-
1989
- 1989-07-27 JP JP8894789U patent/JPH0332515Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0332515Y2 (en) | 1991-07-10 |
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