JP2605892B2 - Plain bearing - Google Patents
Plain bearingInfo
- Publication number
- JP2605892B2 JP2605892B2 JP1276340A JP27634089A JP2605892B2 JP 2605892 B2 JP2605892 B2 JP 2605892B2 JP 1276340 A JP1276340 A JP 1276340A JP 27634089 A JP27634089 A JP 27634089A JP 2605892 B2 JP2605892 B2 JP 2605892B2
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical member
- peripheral surface
- bearing
- inner peripheral
- opening
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/08—Attachment of brasses, bushes or linings to the bearing housing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、すべり軸受に関し、主としてラジアル荷重
を支持するすべり軸受に関する。Description: TECHNICAL FIELD The present invention relates to a sliding bearing, and more particularly to a sliding bearing that supports a radial load.
（従来の技術） この種のすべり軸受としては、例えば第４図に示すも
のが知られている。(Prior Art) As this type of plain bearing, for example, the one shown in FIG. 4 is known.
この図において、ケーシング１に形成した開孔1aの一
端側に面取りあるいは段付加工を施し、軸受メタル２
と、この軸受メタル２を一体的に支持する円筒状の裏金
３とにより構成するすべり軸受本体４を、上記開孔1aに
圧入した後、開孔1aの面取りあるいは段付部形状に沿っ
て裏金３および軸受メタル２の一端側を変形かしめて固
定する。In this figure, one end of an opening 1a formed in a casing 1 is chamfered or stepped to form a bearing metal 2a.
After the slide bearing body 4 constituted by the cylindrical backing metal 3 integrally supporting the bearing metal 2 is pressed into the opening 1a, the backing metal is formed along the chamfer of the opening 1a or along the shape of the stepped portion. 3 and one end of the bearing metal 2 are deformed and caulked and fixed.
このような構成によれば、軸５のラジアル荷重をすべ
り軸受本体４によって支持できるとともに、例えば、図
中矢印Ａで示す方向に若干のスラスト荷重が加わった場
合に、すべり軸受本体４がケーシング１から脱落するこ
とを防止できる。According to such a configuration, the radial load of the shaft 5 can be supported by the slide bearing main body 4 and, for example, when a slight thrust load is applied in a direction indicated by an arrow A in the drawing, the slide bearing main body 4 is moved to the casing 1. From falling off.
（発明が解決しようとする課題） しかしながら、このような従来のすべり軸受にあって
は、ケーシング１の開孔1a一端側に面取りあるいは段付
加工を施し、この面取りあるいは段付部形状に沿って裏
金３を変形かしめる構成であったために、例えば、軸５
に対して第４図中の矢印Ｂで示す方向にスラスト荷重が
加わった場合に、すべり軸受本体４が脱落する恐れがあ
り、また、軸受メタル２を変形かしめる際に軸受メタル
２を損傷させる恐れもあった。(Problems to be Solved by the Invention) However, in such a conventional plain bearing, one end of the opening 1a of the casing 1 is chamfered or stepped, and the chamfered or stepped portion is formed along the chamfered or stepped portion. Since the back metal 3 was deformed and crimped, for example, the shaft 5
When a thrust load is applied in the direction indicated by arrow B in FIG. 4, the sliding bearing body 4 may fall off, and the bearing metal 2 may be damaged when the bearing metal 2 is deformed or crimped. I was afraid.
そこで本発明は、軸の両方向（第４図中の矢印Ａおよ
びＢで示す方向）への抜け止めができ、かつ、軸受メタ
ル２に対する損傷を回避することを目的としている。Therefore, an object of the present invention is to prevent the shaft from coming off in both directions (directions indicated by arrows A and B in FIG. 4) and to avoid damage to the bearing metal 2.
（課題を解決するための手段） 本発明は、上記目的を達成するため、減摩金属からな
る第１の円筒状部材の内周面で軸を回転自在に支持し、
該第１の円筒状部材の外周面を第２の円筒状部材の内周
面で一体的に支持するとともに、該第２の円筒状部材を
軸承部の開孔内周面に圧入して構成するすべり軸受にお
いて、前記軸承部の開孔内周面に凹部を形成し、前記第
２の円筒状部材の、内周面に前記第１の円筒状部材を支
持していない部分を変形させて前記凹部内に嵌合させた
ことを特徴とする。(Means for Solving the Problems) In order to achieve the above object, the present invention rotatably supports a shaft on the inner peripheral surface of a first cylindrical member made of anti-friction metal,
The outer peripheral surface of the first cylindrical member is integrally supported by the inner peripheral surface of the second cylindrical member, and the second cylindrical member is press-fitted into the inner peripheral surface of the opening of the bearing. In the sliding bearing, a concave portion is formed on the inner peripheral surface of the opening of the bearing portion, and a portion of the second cylindrical member that does not support the first cylindrical member on the inner peripheral surface is deformed. It is characterized in that it is fitted in the recess.
（作用） 本発明のすべり軸受では、第２の円筒状部材の一部を
軸承部の開孔内周面の凹部に嵌合して、両方向への抜け
止めが図られる。また、第１の円筒状部材（従来の軸受
メタル２に相当）を変形させる必要がないので、この部
材の損傷が回避される。(Operation) In the sliding bearing of the present invention, a part of the second cylindrical member is fitted into the concave portion of the inner peripheral surface of the opening of the bearing portion to prevent the sliding in both directions. Further, since there is no need to deform the first cylindrical member (corresponding to the conventional bearing metal 2), damage to this member is avoided.
（実施例） 以下、本発明を図面に基づいて説明する。Hereinafter, the present invention will be described with reference to the drawings.
第１図は本発明に係るすべり軸受を遊星歯車のサンギ
ヤに用いた第１実施例を示す図である。第１図におい
て、10は減摩金属からなる第１の円筒状部材であり、第
１の円筒状部材10はその内周面10aで軸11を回転自在に
支持する。12は塑性変形可能な材料からなる第２の円筒
状部材で、第２の円筒状部材12の内周面12aと上記第１
の円筒状部材10の外周面10bとを例えば接着固定する。
したがって、第１の円筒状部材10の外周面10bが第２の
円筒状部材12の内周面12aで一体的に支持される。13は
従来例のケーシングに相当する軸承部としてのサンギヤ
であり、サンギヤ13に開孔13aを形成するとともに、こ
の開孔13a内周面に凹部13bを形成する。上記凹部13bは
好ましくは、開孔13aの端面に露出しない程度に一端側
に近く形成する。また、凹部13bは開孔13aの内壁全周に
亘って連続するか、若しくは部分的に断続して形成す
る。FIG. 1 is a view showing a first embodiment in which the slide bearing according to the present invention is used for a sun gear of a planetary gear. In FIG. 1, reference numeral 10 denotes a first cylindrical member made of an anti-friction metal, and the first cylindrical member 10 rotatably supports a shaft 11 on an inner peripheral surface 10a thereof. Reference numeral 12 denotes a second cylindrical member made of a plastically deformable material, and an inner peripheral surface 12a of the second cylindrical member 12 is connected to the first cylindrical member 12a.
For example, the outer peripheral surface 10b of the cylindrical member 10 is bonded and fixed.
Therefore, the outer peripheral surface 10b of the first cylindrical member 10 is integrally supported by the inner peripheral surface 12a of the second cylindrical member 12. Reference numeral 13 denotes a sun gear as a bearing corresponding to a conventional casing, which has an opening 13a formed in the sun gear 13 and a recess 13b formed in the inner peripheral surface of the opening 13a. The recess 13b is preferably formed near one end so as not to be exposed at the end face of the opening 13a. In addition, the concave portion 13b is formed continuously or partially intermittently over the entire inner wall of the opening 13a.
本実施例のすべり軸受は次のようにして組立てられ
る。The sliding bearing of this embodiment is assembled as follows.
まず、第２の円筒状部材12の内部に第１の円筒状部材
10を挿入して接着固定し、すべり軸受本体14を組立て、
このすべり軸受本体14をサンギヤ13を開孔13a内に圧入
していき、第２の円筒状部材12の一方端を凹部13b付近
に位置させる。そして、第２の円筒状部材12の、内周面
に第１の円筒状部材10を支持していない部分に相当する
一方端に対して、その内径を拡大するように塑性変化を
与える。こうすると、第２の円筒状部材12の一方端が開
孔13aの凹部13bに嵌合固定される。最後に、第１の円筒
状部材10の内周面10aに軸11を支持させて、組立てを完
了する。First, the first cylindrical member is placed inside the second cylindrical member 12.
Insert and fix 10 and assemble the slide bearing body 14,
The slide bearing body 14 is press-fitted into the opening 13a of the sun gear 13 to position one end of the second cylindrical member 12 near the recess 13b. Then, a plastic change is applied to one end of the second cylindrical member 12 corresponding to a portion where the first cylindrical member 10 is not supported on the inner peripheral surface so as to increase the inner diameter. Then, one end of the second cylindrical member 12 is fitted and fixed in the concave portion 13b of the opening 13a. Finally, the shaft 11 is supported on the inner peripheral surface 10a of the first cylindrical member 10, and the assembly is completed.
このような構成によれば、軸11に加わるスラスト荷重
方向が第１図中の矢印Ａ′、Ｂ′で示す何れの方向であ
っても、すべり軸受本体14の脱落を確実に防止できる。
しかも、第１の円筒状部材10を変形させなくてもよいか
ら、この第１の円筒状部材10を損傷させる心配もない。According to such a configuration, the sliding bearing body 14 can be reliably prevented from falling off regardless of the direction of the thrust load applied to the shaft 11 in any direction indicated by arrows A 'and B' in FIG.
In addition, since the first cylindrical member 10 does not need to be deformed, there is no fear that the first cylindrical member 10 is damaged.
なお、本発明は上記実施例に限らず、種々の変形態様
が考えられる。以下に、好ましい他の態様例を示す。It should be noted that the present invention is not limited to the above-described embodiment, and various modifications may be made. Hereinafter, other preferable embodiments will be described.
第２図は本発明に係るすべり軸受の第２実施例を示す
図であり、第１実施例と同一部材には同一符号を付す。FIG. 2 is a view showing a second embodiment of the sliding bearing according to the present invention, and the same members as those in the first embodiment are denoted by the same reference numerals.
本実施例では、第２の円筒状部材12Aの材料として少
なくともその一端側付近が弾性変形するもの使用し、そ
の一端側の内径を予め拡大方向に変形させておく（第２
図（ａ）参照）。すべり軸受本体14Aをサンギヤ13の開
孔13a内に圧入して（第２図（ｂ）参照）、第２の円筒
状部材12Aの一端側を凹部13bに位置させれば、一端部形
状が予め設定した形状に弾性復帰するので、第１実施例
と同様に、すべり軸受本体14Aをサンギヤ13に嵌合固定
できるとともに、この嵌合固定動作をワンタッチで行う
ことができ、作業性の面で好ましい。In the present embodiment, as the material of the second cylindrical member 12A, a material that is elastically deformed at least in the vicinity of one end thereof is used, and the inner diameter of the one end is previously deformed in the enlargement direction (second
FIG. (A)). The slide bearing body 14A is press-fitted into the opening 13a of the sun gear 13 (see FIG. 2 (b)), and if one end of the second cylindrical member 12A is positioned in the recess 13b, the shape of the one end is previously determined. Since it returns to the set shape elastically, the sliding bearing body 14A can be fitted and fixed to the sun gear 13 as in the first embodiment, and this fitting and fixing operation can be performed with one touch, which is preferable in terms of workability. .
第３図は本発明に係るすべり軸受の第３実施例を示す
図であり、第１実施例と同一部材には同一符号を付す。FIG. 3 is a view showing a third embodiment of the slide bearing according to the present invention, and the same members as those in the first embodiment are denoted by the same reference numerals.
本実施例では、第２の円筒状部材12Bの軸方向中央部
付近（第２の円筒状部材12Bの、内周面に第１の円筒状
部材10Aを支持していない部分に相当）に、外周側に突
出する凸部12bを形成し、この凸部12bと開孔13aの凹部1
3cとを嵌合する。第１の円筒状部材10Aは上記凸部12bを
間にして２分割構造とするのが望ましい。また、凸部12
bの形成は、開孔13a内への圧入後塑性変形によって行っ
てもよいし、あるいは予め形成しておき、第２実施例の
ように弾性変形させるようにしてもよい。In the present embodiment, in the vicinity of the axial center of the second cylindrical member 12B (corresponding to a portion of the second cylindrical member 12B that does not support the first cylindrical member 10A on the inner peripheral surface), A convex portion 12b projecting to the outer peripheral side is formed, and the convex portion 12b and the concave portion 1 of the opening 13a are formed.
3c is fitted. It is desirable that the first cylindrical member 10A has a two-part structure with the convex portion 12b interposed therebetween. Also, the protrusion 12
The b may be formed by plastic deformation after press-fitting into the opening 13a, or may be formed in advance and elastically deformed as in the second embodiment.
以上のように、上記各実施例によれば、すべり軸受本
体の確実な抜け止めが図られるとともに、軸受メタルと
しての第１の円筒状部材の損傷を回避できる。また、サ
ンギヤの開孔形成位置を調整すれば、サンギヤに対する
すべり軸受本体の軸方向位置決めを容易化することがで
きる。As described above, according to each of the above embodiments, the slide bearing body can be reliably prevented from coming off, and the first cylindrical member as the bearing metal can be prevented from being damaged. Further, by adjusting the position of the opening of the sun gear, the axial positioning of the sliding bearing body with respect to the sun gear can be facilitated.
（効果） 本発明によれば、軸の両方向への抜け止めができ、か
つ、第１の円筒状部材（従来の軸受メタルに相当）に対
する損傷を回避できる。(Effect) According to the present invention, the shaft can be prevented from coming off in both directions, and damage to the first cylindrical member (corresponding to a conventional bearing metal) can be avoided.
第１図は本発明に係るすべり軸受の第１実施例を示すそ
の断面図である。 第２図（ａ）（ｂ）は本発明に係るすべり軸受の第２実
施例を示す図であり、第２図（ａ）はその組み付け前の
状態を示す図、第２図（ｂ）はその組み付け中の状態を
示す図である。 第３図は本発明に係るすべり軸受の第３実施例を示すそ
の断面図である。 第４図は従来例を示すその断面図である。 10、10A……第１の円筒状部材、 10a……内周面、 10b……外周面、 12、12A、12B……第２の円筒状部材、 13……サンギヤ（軸承部）、 13a……開孔、 13b、13c……凹部。FIG. 1 is a sectional view showing a first embodiment of a plain bearing according to the present invention. 2 (a) and 2 (b) are views showing a second embodiment of the sliding bearing according to the present invention, FIG. 2 (a) is a view showing a state before the assembling, and FIG. It is a figure showing the state during the assembling. FIG. 3 is a sectional view showing a third embodiment of the plain bearing according to the present invention. FIG. 4 is a sectional view showing a conventional example. 10, 10A ... first cylindrical member, 10a ... inner peripheral surface, 10b ... outer peripheral surface, 12, 12A, 12B ... second cylindrical member, 13 ... sun gear (shaft bearing), 13a ... … Opening, 13b, 13c… recess.
Claims (1)
面で軸を回転自在に支持し、該第１の円筒状部材の外周
面を第２の円筒状部材の内周面で一体的に支持するとと
もに、該第２の円筒状部材を軸承部の開孔内周面に圧入
して構成するすべり軸受において、前記軸承部の開孔内
周面に凹部を形成し、前記第２の円筒状部材の、内周面
に前記第１の円筒状部材を支持していない部分を変形さ
せて前記凹部内に嵌合させたことを特徴とするすべり軸
受。An inner peripheral surface of a first cylindrical member made of anti-friction metal rotatably supports a shaft, and an outer peripheral surface of the first cylindrical member is an inner peripheral surface of a second cylindrical member. In a plain bearing configured by press-fitting the second cylindrical member into the inner peripheral surface of the opening of the bearing portion, a concave portion is formed in the inner peripheral surface of the opening of the bearing portion. A sliding bearing, wherein a portion of the second cylindrical member that does not support the first cylindrical member on the inner peripheral surface is deformed and fitted into the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1276340A JP2605892B2 (en) | 1989-10-23 | 1989-10-23 | Plain bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1276340A JP2605892B2 (en) | 1989-10-23 | 1989-10-23 | Plain bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03140622A JPH03140622A (en) | 1991-06-14 |
| JP2605892B2 true JP2605892B2 (en) | 1997-04-30 |
Family
ID=17568074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1276340A Expired - Lifetime JP2605892B2 (en) | 1989-10-23 | 1989-10-23 | Plain bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2605892B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120051915A1 (en) * | 2010-08-31 | 2012-03-01 | Mitsubishi Heavy Industries, Ltd. | Planetary gear train with improved bearing structure and manufacture method of the same |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5218256A (en) * | 1990-05-31 | 1993-06-08 | Mitsuba Electric Manufacturing Co., Ltd. | Motor casing made of resin |
| JP2607340Y2 (en) * | 1991-08-30 | 2001-07-09 | 株式会社小松製作所 | Governor shaft mounting structure for fuel injection pump |
| DE102011117995A1 (en) | 2011-11-09 | 2013-05-16 | Mann + Hummel Gmbh | Shaft passage of a housing of an internal combustion engine and bearing ring a shaft bushing |
| DE102013226527A1 (en) * | 2013-12-18 | 2015-06-18 | Zf Friedrichshafen Ag | Combined rolling and sliding bearing of a gear shaft |
| JP6002718B2 (en) * | 2014-06-30 | 2016-10-05 | シナノケンシ株式会社 | Bearing device and motor |
| KR101713436B1 (en) * | 2015-09-03 | 2017-03-07 | 엘지전자 주식회사 | Gas cooker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6069824U (en) * | 1983-10-19 | 1985-05-17 | 本田技研工業株式会社 | bearing bush |
| JPS6252321U (en) * | 1985-09-19 | 1987-04-01 |
-
1989
- 1989-10-23 JP JP1276340A patent/JP2605892B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120051915A1 (en) * | 2010-08-31 | 2012-03-01 | Mitsubishi Heavy Industries, Ltd. | Planetary gear train with improved bearing structure and manufacture method of the same |
| JPWO2012029121A1 (en) * | 2010-08-31 | 2013-10-28 | 三菱重工業株式会社 | Planetary gear mechanism, bearing structure, wind power generator, and planetary gear manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03140622A (en) | 1991-06-14 |
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