JP2020003055A5 - - Google Patents
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- Publication number
- JP2020003055A5 JP2020003055A5 JP2018126087A JP2018126087A JP2020003055A5 JP 2020003055 A5 JP2020003055 A5 JP 2020003055A5 JP 2018126087 A JP2018126087 A JP 2018126087A JP 2018126087 A JP2018126087 A JP 2018126087A JP 2020003055 A5 JP2020003055 A5 JP 2020003055A5
- Authority
- JP
- Japan
- Prior art keywords
- concave groove
- ridge
- ring
- cylindrical surface
- axial
- 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
- 238000003780 insertion Methods 0.000 description 3
- 230000002093 peripheral Effects 0.000 description 1
Description
［実施の形態の第３例］
実施の形態の第３例について、図８を用いて説明する。
本例では、ホルダ挿入孔３６ｂの内周面の円周方向一部で、軸方向内側開口からＯリング１５の配置位置Ｐの軸方向内側に隣接した位置にわたる範囲に、径方向外側に凹んだ状態で軸方向に延在する凹溝５９を設けている。凹溝５９の内半径ｄ５３ｂは、ホルダ軸部４８に外嵌したＯリング１５のホルダ挿入孔３６ｂに挿入する以前における外半径Ｄ１５／２よりも大きい。また、凹溝５９の底面を、軸方向にわたり内径が一定の部分円筒面５７ａとしている。さらに、支持円筒面５２と部分円筒面５７ａとを、段差面５８ａにより連続している。なお、支持円筒面５２と段差面５８ａとの間の陵部（連続部）、及び、凹溝５９の円周方向側面と該凹溝５９から円周方向に外れた部分との間の陵部は、円弧形の断面形状を有する凸曲面６０として、該陵部によってＯリング１５が損傷することを防止している。凸曲面６０に代えて、内径が徐々に変化する傾斜面を設けることもできる。
[Third example of the embodiment]
A third example of the embodiment will be described with reference to FIG.
In this example, a part of the inner peripheral surface of the holder insertion hole 36b is recessed radially outward in a range extending from the axial inner opening to the position adjacent to the axial inner side of the arrangement position P of the O-ring 15. A concave groove 59 extending in the axial direction is provided in the state. Inner radius d 53b of the groove 59 is larger than the outer radius D 15/2 in prior to insertion into the holder insertion hole 36b of the O-ring 15 which is fitted to the holder shaft 48. Further, the bottom surface of the concave groove 59 is a partial cylindrical surface 57a having a constant inner diameter in the axial direction. Further, the support cylindrical surface 52 and the partial cylindrical surface 57a are continuous with each other by the stepped surface 58a. A ridge (continuous portion) between the support cylindrical surface 52 and the stepped surface 58a, and a ridge between the circumferential side surface of the concave groove 59 and the portion deviated from the concave groove 59 in the circumferential direction. Has a convex curved surface 60 having an arcuate cross-sectional shape to prevent the O-ring 15 from being damaged by the ridge. Instead of the convex curved surface 60, an inclined surface whose inner diameter gradually changes can be provided.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018126087A JP7107032B2 (en) | 2018-07-02 | 2018-07-02 | Bearing cap with sensor unit and hub unit bearing |
| CN201920994227.0U CN211820436U (en) | 2018-07-02 | 2019-06-28 | Bearing cap with sensor unit and hub unit bearing |
| DE202019103600.1U DE202019103600U1 (en) | 2018-07-02 | 2019-07-01 | Bearing cover with sensor unit and wheel hub bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018126087A JP7107032B2 (en) | 2018-07-02 | 2018-07-02 | Bearing cap with sensor unit and hub unit bearing |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020003055A JP2020003055A (en) | 2020-01-09 |
| JP2020003055A5 true JP2020003055A5 (en) | 2021-06-10 |
| JP7107032B2 JP7107032B2 (en) | 2022-07-27 |
Family
ID=67702008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018126087A Active JP7107032B2 (en) | 2018-07-02 | 2018-07-02 | Bearing cap with sensor unit and hub unit bearing |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7107032B2 (en) |
| CN (1) | CN211820436U (en) |
| DE (1) | DE202019103600U1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6899462B1 (en) * | 2020-02-21 | 2021-07-07 | Ntn株式会社 | Bearing caps for wheel bearings with rotational speed detectors, and wheel bearings with rotational speed detectors |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5334699B2 (en) | 2009-06-18 | 2013-11-06 | Ｎｔｎ株式会社 | Wheel bearing device with rotation speed detector |
| JP2013053638A (en) | 2011-09-01 | 2013-03-21 | Ntn Corp | Wheel bearing device with rotation speed detector |
| CN205244148U (en) | 2015-01-20 | 2016-05-18 | 日本精工株式会社 | Strip sensor's bearing cap and antifriction bearing unit |
-
2018
- 2018-07-02 JP JP2018126087A patent/JP7107032B2/en active Active
-
2019
- 2019-06-28 CN CN201920994227.0U patent/CN211820436U/en active Active
- 2019-07-01 DE DE202019103600.1U patent/DE202019103600U1/en active Active
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