JPH062029Y2 - Shell needle roller bearings - Google Patents
Shell needle roller bearingsInfo
- Publication number
- JPH062029Y2 JPH062029Y2 JP3281388U JP3281388U JPH062029Y2 JP H062029 Y2 JPH062029 Y2 JP H062029Y2 JP 3281388 U JP3281388 U JP 3281388U JP 3281388 U JP3281388 U JP 3281388U JP H062029 Y2 JPH062029 Y2 JP H062029Y2
- Authority
- JP
- Japan
- Prior art keywords
- outer ring
- receiving surface
- mounting hole
- needle roller
- chamfered portion
- 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.)
- Expired - Lifetime
Links
Description
【考案の詳細な説明】 ＜産業上の利用分野＞ 本考案は、シェル型針状ころ軸受に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a shell type needle roller bearing.
＜従来の技術＞ 従来、シェル型針状ころ軸受は、第４図に示すように、
円筒形の鋼板で構成された外輪10を有する。この外輪10
の軸方向両側には、針状ころ20の案内として、内方への
曲げ部30,40が形成されている。<Prior Art> Conventionally, as shown in FIG. 4, a shell type needle roller bearing has
Having an outer ring 1 0 composed of a cylindrical steel plate. This outer ring 1 0
The axially opposite sides of, as a guide of needle rollers 2 0, bend 3 0, 4 0 inwards is formed.
そして、ハウジングＨ等への取付の際、この外輪10は、
取付孔に圧入される。取付孔の内部では、曲げ部40の先
端が、取付孔内に形成された受け止め面Ｇに当接するこ
とで、外輪10の軸方向の位置決めがなされる。Then, when attached to the housing H and the like, the outer ring 1 0,
Pressed into the mounting hole. Inside the mounting hole, the tip of the bent portion 4 0, it abuts against the receiving surface G formed in the mounting hole, the axial positioning of the outer ring 1 0 is made.
図中、50は保持器である。In the figure, 50 is a cage.
＜考案が解決しようとする問題点＞ ところで、上記のように外輪10を圧入する際、曲げ部40
の先端が取付孔内の受け止め面Ｇに当接するようになっ
ているから、曲げ部40（あるいは30）の湾曲径に比べて
受け止め面Ｇの径方向の幅Ｗが狭い場合、曲げ部30,40
の先端が受け止め面Ｇより内径側に位置して、曲げ部
30,40の先端が受け止め面Ｇに当接しなくなることがあ
る。<Problems invention is to solve> Meanwhile, when press-fitting the outer ring 1 0 As described above, the bending portion 4 0
If the tip of from adapted to abut against the receiving surface G of the mounting hole, bend 4 0 (or 3 0) narrower radial width W of the receiving surface G as compared to the curvature diameter of the bending portion 3 0,4 0
The tip of the
3 0, 4 0 tip may no longer contact the receiving surface G.
このように曲げ部30,40の先端が取付孔内の受け止め面
Ｇに当接しないと、外輪10の軸方向の位置決めが正確に
なされなくなる。When the tip of the thus bent portion 3 0, 4 0 does not contact the receiving surface G of the mounting hole, the axial positioning of the outer ring 1 0 it is no longer made accurately.
ここで、曲げ部30,40の径を小径にすれば、受け止め面
Ｇの幅Ｗが小幅であっても、曲げ部30,40の先端と受け
止め面Ｇとの当たりを確保することができるが、曲げ部
30,40の径は、外輪10の板厚に規制されているため、小
径にするには限界がある。Here, if the diameter of the bending portion 3 0, 4 0 to the small diameter, the width W of the receiving surface G is a narrow, to ensure the contact between the bend 3 0, 4 0 of the distal end and the receiving surface G Can be bent
Diameter of 3 0, 4 0, because it is restricted in the thickness of the outer ring 1 0, to the small diameter is limited.
本考案は、上述の問題点に鑑みてなされたものであっ
て、取付孔内の受け止め面の幅が小幅であっても、この
受け止め面と外輪の曲げ部との当たりを確保し、外輪の
軸方向の位置決めを支障なく行えるようにすることを目
的とする。The present invention has been made in view of the above-mentioned problems, and even if the width of the receiving surface in the mounting hole is small, the contact between the receiving surface and the bent portion of the outer ring is ensured, and the outer ring The purpose is to enable axial positioning without any trouble.
＜問題点を解決するための手段＞ 本考案は、上記の目的を達成するために、外輪の軸方向
両側に設けられた内方への曲げ部のうち、少なくとも一
方の曲げ部の外面に面取り部を形成してシェル型針状こ
ろ軸受を構成した。<Means for Solving the Problems> In order to achieve the above object, the present invention provides a chamfered outer surface of at least one of the inwardly bent portions provided on both axial sides of the outer ring. By forming the portion, a shell type needle roller bearing was constructed.
＜作用＞ 上記構成の外輪は、面取り部が形成された曲げ部を先に
して、取付孔内に圧入する。このように圧入すると、取
付孔の内部では、面取り部が受け止め面に当接し、これ
により、外輪の軸方向の位置決めがなされる。この場
合、面取り部は、外輪の外径側に広がっているから、受
け止め面の幅が小幅であっても、この受け止め面に当接
する。<Operation> The outer ring having the above-described configuration is press-fitted into the mounting hole with the bent portion having the chamfered portion formed first. When press-fitting in this manner, the chamfer contacts the receiving surface inside the mounting hole, thereby positioning the outer ring in the axial direction. In this case, since the chamfered portion extends to the outer diameter side of the outer ring, even if the width of the receiving surface is small, the chamfered portion contacts the receiving surface.
＜実施例＞ 以下、本考案を図面に示す実施例に基づいて詳細に説明
する。<Example> Hereinafter, the present invention will be described in detail based on an example shown in the drawings.
第１図は、本考案の一実施例に係るシェル型針状ころ軸
受の断面図、第２図は第１図Ａ部分における外輪の拡大
断面図である。FIG. 1 is a sectional view of a shell type needle roller bearing according to an embodiment of the present invention, and FIG. 2 is an enlarged sectional view of an outer ring in a portion A of FIG.
このころ軸受は、外輪１と、複数の針状ころ２，……
と、保持器３とを備える。This roller bearing includes an outer ring 1, a plurality of needle rollers 2, ...
And a cage 3.
外輪１は、円筒形の鋼板からなり、その軸方向両側に
は、内方への曲げ部4,5が形成されている。これら曲げ
部4,5のうち、一方の（図において右側の）曲げ部４
は、外輪１の転動面部分とほぼ同一の肉厚を有し、他方
の曲げ部５は、前記の曲げ部４のあとに曲げ加工される
ため、薄肉となっている。The outer ring 1 is made of a cylindrical steel plate, and inwardly bent portions 4 and 5 are formed on both axial sides thereof. One of the bent portions 4 and 5 (on the right side in the figure), the bent portion 4
Has a thickness substantially the same as the rolling surface portion of the outer ring 1, and the other bent portion 5 is thin because it is bent after the above-mentioned bent portion 4.
肉厚側の曲げ部４の外面には、第２図に拡大して示すよ
うに、旋削加工により、面取り部６が形成されている。
なお、旋削加工前の曲げ部４の形状は、同図中に仮想線
で示している。この面取り部６は、取付孔の受け止め面
Ｇとの当たり確保するためのもので、その表面は、外輪
１の軸芯を中心とする回転面とほぼ平行で、軸方向外方
を向いている。As shown in an enlarged view in FIG. 2, a chamfered portion 6 is formed on the outer surface of the thickened bent portion 4 by turning.
The shape of the bent portion 4 before turning is shown by an imaginary line in the figure. The chamfered portion 6 is for ensuring contact with the receiving surface G of the mounting hole, and the surface thereof is substantially parallel to the rotation surface centering on the axis of the outer ring 1 and faces outward in the axial direction. .
上記の構成において、ハウジングＨ等の取付孔にこの外
輪１を圧入する場合、第１図に示すように、面取り部６
のある側を先にして圧入する。すると、取付孔の内部で
は、面取り部６の表面が取付孔内の受け止め面Ｇに当接
し、この当たりで外輪１の軸方向の位置が決まる。In the above structure, when the outer ring 1 is press-fitted into the mounting hole of the housing H or the like, as shown in FIG.
Press in the side with. Then, inside the mounting hole, the surface of the chamfered portion 6 contacts the receiving surface G in the mounting hole, and the axial position of the outer ring 1 is determined by this contact.
この場合、面取り部６は、外輪１の外径側に広がってい
るから、受け止め面Ｇの幅Ｗが小幅であっても、面取り
部６は受け止め面Ｇに当接する。これによって、幅Ｗが
狭い受け止め面Ｇに対しても外輪１の軸方向の位置決め
が正確に行われる。In this case, since the chamfered portion 6 spreads to the outer diameter side of the outer ring 1, even if the width W of the receiving surface G is small, the chamfered portion 6 contacts the receiving surface G. As a result, the outer ring 1 is accurately positioned in the axial direction even on the receiving surface G having a narrow width W.
第３図の実施例では、軸方向外方を向いた面取り部６の
ほかに、曲げ部４の外周側にも、斜め外方に向く面取り
部７が形成されている。この面取り部７は、受け止め面
Ｇと取付孔との隅の部分ｇに対する逃げとなるものであ
る。したがって、隅の部分ｇが若干出ていても、これに
曲げ部４の一部が当接することがなく、軸方向外方を向
く面取り部６と受け止め面Ｇとの当接が阻害されない。In the embodiment shown in FIG. 3, in addition to the chamfered portion 6 that faces outward in the axial direction, a chamfered portion 7 that faces obliquely outward is also formed on the outer peripheral side of the bent portion 4. The chamfered portion 7 serves as a relief for the corner portion g between the receiving surface G and the mounting hole. Therefore, even if the corner portion g is slightly protruded, a part of the bent portion 4 does not come into contact with the corner portion g, and the contact between the chamfered portion 6 facing outward in the axial direction and the receiving surface G is not hindered.
なお、図示の各実施例では、外輪１の両曲げ部4,5のう
ち、肉厚側の曲げ部４に面取り部６を形成したが、肉薄
側の曲げ部５に余裕があれば、この曲げ部５に面取り部
6,7を形成することができる。In each of the illustrated embodiments, the chamfered portion 6 is formed on the thicker bent portion 4 of the both bent portions 4 and 5 of the outer ring 1. Bending part 5 and chamfer
6,7 can be formed.
＜考案の効果＞ 以上のように、本考案は、曲げ部に形成した面取り部
と、取付孔内の受け止め面との当接により外輪の軸方向
の位置決めがなされるようにしたもので、面取り部は、
外輪の外径側に広がっているから、曲げ部の径に比べ受
け止め面の幅が小幅であっても、この受け止め面に当接
することになり、外輪の軸方向の位置決めを正確に行う
ことができる。<Advantages of the Invention> As described above, the present invention is such that the outer ring is axially positioned by the contact between the chamfered portion formed in the bent portion and the receiving surface in the mounting hole. Department is
Since it spreads to the outer diameter side of the outer ring, even if the width of the receiving surface is narrower than the diameter of the bent portion, it comes into contact with this receiving surface, and the outer ring can be accurately positioned in the axial direction. it can.
第１図は、本考案の一実施例の断面図、第２図は第１図
Ａ部分における外輪の拡大断面図、第３図は他の実施例
における外輪の拡大断面図である。第４図は従来例の断
面図である。 １…外輪、２…針状ころ、4,5…曲げ部、６…面取り
部。FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is an enlarged sectional view of an outer ring in the portion A of FIG. 1, and FIG. 3 is an enlarged sectional view of an outer ring in another embodiment. FIG. 4 is a sectional view of a conventional example. 1 ... Outer ring, 2 ... Needle rollers, 4,5 ... Bending part, 6 ... Chamfer part.
Claims (1)
げ部のうち、少なくとも一方の曲げ部の外面に面取り部
を形成したことを特徴とするシェル型針状ころ軸受。1. A needle roller bearing of shell type, wherein a chamfered portion is formed on the outer surface of at least one of the inwardly bent portions provided on both axial sides of the outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3281388U JPH062029Y2 (en) | 1988-03-11 | 1988-03-11 | Shell needle roller bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3281388U JPH062029Y2 (en) | 1988-03-11 | 1988-03-11 | Shell needle roller bearings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01136719U JPH01136719U (en) | 1989-09-19 |
| JPH062029Y2 true JPH062029Y2 (en) | 1994-01-19 |
Family
ID=31259393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3281388U Expired - Lifetime JPH062029Y2 (en) | 1988-03-11 | 1988-03-11 | Shell needle roller bearings |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062029Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004162887A (en) * | 2002-09-17 | 2004-06-10 | Koyo Seiko Co Ltd | Cam follower |
| JP4794411B2 (en) * | 2006-10-17 | 2011-10-19 | Ｎｔｎ株式会社 | Thrust roller bearing raceway, thrust roller bearing, thrust roller bearing raceway manufacturing method, and thrust roller bearing raceway manufacturing device |
-
1988
- 1988-03-11 JP JP3281388U patent/JPH062029Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01136719U (en) | 1989-09-19 |
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