JPS596262Y2 - Resin crown retainer - Google Patents
Resin crown retainerInfo
- Publication number
- JPS596262Y2 JPS596262Y2 JP1978140815U JP14081578U JPS596262Y2 JP S596262 Y2 JPS596262 Y2 JP S596262Y2 JP 1978140815 U JP1978140815 U JP 1978140815U JP 14081578 U JP14081578 U JP 14081578U JP S596262 Y2 JPS596262 Y2 JP S596262Y2
- Authority
- JP
- Japan
- Prior art keywords
- retainer
- recess
- ball
- resin
- 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
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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6607—Retaining the grease in or near the bearing
- F16C33/6614—Retaining the grease in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/41—Ball cages comb-shaped
- F16C33/412—Massive or moulded comb cages, e.g. snap ball cages
- F16C33/414—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages
- F16C33/416—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages made from plastic, e.g. injection moulded comb cages
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/38—Ball cages
- F16C33/41—Ball cages comb-shaped
- F16C33/418—Details of individual pockets, e.g. shape or ball retaining means
-
- 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
- F16C2220/00—Shaping
- F16C2220/02—Shaping by casting
- F16C2220/04—Shaping by casting by injection-moulding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
【考案の詳細な説明】
この考案は弾性を有する合戒樹脂を用いて射出或形によ
り製造される冠形保持器の改良に関するものである。[Detailed Description of the Invention] This invention relates to an improvement of a crown-shaped retainer manufactured by injection molding using elastic resin.
従来の樹脂製の冠形保持器は第３図に示すように環状の
本体１に軸方向の一端が開放されたボールを収容するた
めの多数のポケット穴２を設け、ポケット穴の開放端に
相対向する羽根３を形或し、相対向する羽根の間隔ｄを
挿入されるべきボール４の直径より狭くし、羽根の干渉
を利用してボールを軸方向に圧大して、ボールを保持す
るようになっている。As shown in Fig. 3, a conventional crown-shaped retainer made of resin has an annular main body 1 with a large number of pocket holes 2 for accommodating balls with one axial end open. The opposing blades 3 are shaped so that the spacing d between the opposing blades is narrower than the diameter of the ball 4 to be inserted, and the interference of the blades is used to compress the ball in the axial direction to hold the ball. It has become.
このような冠形保持器を合戒樹脂で製造するには型内に
射出或形してから保持器の主要部に疵がつくのを防ぐた
めに第３図に示すように隣接するポケット穴２の羽根３
の中間の凹み５の底を突き出し部６としてノックアウト
ピン７を当てて突き出して離型させている。In order to manufacture such a crown-shaped cage using a resin, adjacent pocket holes 2 are formed as shown in Figure 3 in order to prevent the main part of the cage from being damaged after injection or molding into a mold. feather 3
A knockout pin 7 is applied to the bottom of the recess 5 in the middle of the protruding part 6, and the knockout pin 7 is pushed out to release the mold.
このように射出戊形された保持器を型より離脱させるに
は突き出し部が必要であるが、ボールの個数が多くなる
とボール間の距離が狭くなり、型離脱のための突き出し
部６を設けることができないので、ボールの数に制御が
あり、負荷容量をある程度以上に増加することは不可能
であった。A protruding part is required to remove the cage formed by injection molding from the mold, but as the number of balls increases, the distance between the balls becomes narrower, so it is necessary to provide the protruding part 6 for removing the cage from the mold. Since it is not possible to control the number of balls, it has been impossible to increase the load capacity beyond a certain level.
この考案は、このような従来の冠形保持器の離型用の突
き出し部を隣接するポケット穴の中間ではなく、ポケッ
ト穴２自体の底部８をノックアウトピンの衝当部とし、
ノックアウトピンの衝当により生ずるポケット穴のボー
ル案内面の疵によりボールの円滑な回転が阻害されない
ように凹み９を設け、この凹み９にノックアウトピン７
が衝き当る突き出し部１０を設けることにより、多数の
ポット穴の形戊を可能として従来の問題点を解決すると
共に、該凹みにグリース溜を兼用させた冠形保持器に関
するものである。In this invention, the protruding part for demolding of such a conventional crown-shaped retainer is not located in the middle of adjacent pocket holes, but the bottom 8 of the pocket hole 2 itself is used as the abutting part of the knockout pin,
A recess 9 is provided to prevent smooth rotation of the ball from being inhibited by flaws on the ball guide surface of the pocket hole caused by the impact of the knockout pin, and the knockout pin 7 is inserted into the recess 9.
This invention relates to a crown-shaped retainer which solves the conventional problems by providing a protruding portion 10 against which a large number of pot holes can be formed, and in which the recess also serves as a grease reservoir.
次にこの考案の実施例を図面について説明すると第１図
、第２図において弾性を有する合或樹脂を射出成形して
製造された環状の本体１には軸方向に一端が開放された
多数のポケット穴２が形威されており、ポケット穴の開
放端には薄肉の羽根３，３が対向してポケット穴２を囲
むように作られており、ポケット穴２を囲んで対向した
羽根の間隔ｄは挿入されるべきボール４の直径より狭く
なっている。Next, an embodiment of this invention will be described with reference to the drawings. In Figs. 1 and 2, an annular main body 1 manufactured by injection molding of elastic resin has a large number of axially open ends. A pocket hole 2 is formed, and thin blades 3, 3 are made to face each other at the open end of the pocket hole and surround the pocket hole 2, and the spacing between the facing blades surrounding the pocket hole 2 is d is narrower than the diameter of the ball 4 to be inserted.
ポケット穴２の底部８には更に凹み９が設けられていて
、この凹み９の中央はポケット穴２を形或するための射
出或形用の型１１を貫通して軸方向に挿入されるノック
アウトピン７の先端が衝当する突き出し部１０となって
いる。The bottom 8 of the pocket hole 2 is further provided with a recess 9, and the center of this recess 9 is a knockout which is inserted in the axial direction through an injection mold 11 for forming the pocket hole 2. This is a protrusion 10 against which the tip of the pin 7 hits.
この考案の保持器は上述のようにポケット穴２の底部８
に更に凹み９を設けてあるので、第４図に示すように、
この凹み９の突き出し部１０に、戒形型１１を貫いてノ
ックアウトピン７の先端をあてて、突き出すと容易に保
持器を型がら離脱させることができる。The retainer of this invention has the bottom 8 of the pocket hole 2 as described above.
Since a recess 9 is further provided in , as shown in Fig. 4,
When the tip of the knockout pin 7 is applied to the protruding portion 10 of the recess 9 through the preform mold 11 and pushed out, the retainer can be easily removed from the mold.
この場合羽根３は弾性変形して、隣り合う型１１の間を
通過して保持器の離型を阻げることばない。In this case, the blades 3 are elastically deformed and do not pass between adjacent molds 11 to prevent the cage from being released from the mold.
この考案によると保持器のポケット穴２の底部８に設け
た凹み９の底が突き出し部１０となるので、ノックアウ
トピン７で疵がついても、ボールの案内面や羽根などの
保持器として重要な部分を傷つけるのでないから保持器
の機能を損うことはない。According to this invention, the bottom of the recess 9 provided in the bottom 8 of the pocket hole 2 of the retainer becomes the protruding portion 10, so even if the knockout pin 7 is damaged, the ball guide surface, blades, etc., which are important as a retainer, Since it does not damage any parts, the function of the retainer will not be impaired.
又従来の保持器と異なりポケット穴２とポケット穴２の
中間部に突き出し部を設けを必要がないので、ポケット
穴２相互の間隔を狭くすることが可能となり、ポケット
穴の数、ひいては保持器に収納するボールの数を多くす
ることができる。Also, unlike conventional cages, there is no need to provide a protruding part between the pocket holes 2, so it is possible to narrow the distance between the pocket holes 2, which reduces the number of pocket holes and the cage. It is possible to increase the number of balls that can be stored.
さらにポケット穴２の底部に設けた凹み９はまたグリー
ス溜として潤滑性能に優れた機能を有する。Furthermore, the recess 9 provided at the bottom of the pocket hole 2 also functions as a grease reservoir with excellent lubrication performance.
なお、第１図、第２図の実施例では凹み９は保持器の内
径面１２、外径面１３のいずれにも通じていないが、第
５図に示すように内径面１２に開口させてもよいし、第
６図に示すように外径面１３に開口させてもよい。Note that in the embodiments shown in FIGS. 1 and 2, the recess 9 does not communicate with either the inner diameter surface 12 or the outer diameter surface 13 of the cage, but it is opened in the inner diameter surface 12 as shown in FIG. Alternatively, as shown in FIG. 6, the outer diameter surface 13 may be opened.
このように内径面又は外径面にまで凹み９を開口させる
と、グリースの浸入と排出による循環作用により潤滑油
補給が容易となり、保持器の潤滑性能が一層向上するこ
とになる。When the recess 9 is opened to the inner diameter surface or outer diameter surface in this manner, lubricating oil can be easily replenished due to the circulation effect of the infiltration and discharge of the grease, and the lubrication performance of the retainer is further improved.
さらに保持器を射出戒形の型がら容易に離脱させること
ができる。Furthermore, the cage can be easily removed from the injection mold.
第１図はこの考案の実施例の半部正面図、第２図は第１
図の断面図でＡは第１図のＡ−Ａ線における断面をＢは
Ｂ−Ｂ線における断面を示し、第３図は従来の保持器の
第２図Ｂに相当する断面図、第４図は離型作業を示す第
２図と同様の断面図、第５図、第６図はそれぞれ他の実
施例の部分断面図である。
２・・・ポケット穴、３・・・羽根、４・・・ボール、
７・・・ノックアウトピン、８・・・底部、９・・・凹
み。Fig. 1 is a half front view of an embodiment of this invention, and Fig. 2 is a half-front view of an embodiment of this invention.
In the sectional views shown in the figure, A shows the cross section taken along line A-A in Fig. 1, B shows the cross section taken along line B-B in Fig. 3, and Fig. The figure is a sectional view similar to FIG. 2 showing the mold release operation, and FIGS. 5 and 6 are partial sectional views of other embodiments. 2... pocket hole, 3... feather, 4... ball,
7... Knockout pin, 8... Bottom, 9... Recess.
Claims (2)
一端が開放された多数のポケット穴を列設し、ポケット
穴の開放端には相対向する羽根を設けて羽根の間隔を挿
入されるボールの直径より小としてボールを圧人し保持
する冠形保持器において、ポケット穴の底部にノックア
ウトピンが衝当する凹みを形或した樹脂製冠形保持器。(1) A large number of pocket holes are injected or shaped from an elastic resin, one end of which is open in the axial direction, and opposing blades are provided at the open ends of the pocket holes so that the gaps between the blades are inserted. A resin crown-shaped retainer that compresses and holds a ball to a diameter smaller than the diameter of the ball, the resin crown-shaped retainer having a concave shape at the bottom of a pocket hole where a knockout pin hits.
いる実用新案登録請求の範囲第１項記載の樹脂製冠形保
持器。(2) The resin crown-shaped retainer according to claim 1, wherein the recess is open on the inner diameter surface or the outer diameter surface of the retainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978140815U JPS596262Y2 (en) | 1978-10-16 | 1978-10-16 | Resin crown retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978140815U JPS596262Y2 (en) | 1978-10-16 | 1978-10-16 | Resin crown retainer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5557517U JPS5557517U (en) | 1980-04-18 |
| JPS596262Y2 true JPS596262Y2 (en) | 1984-02-27 |
Family
ID=29116119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1978140815U Expired JPS596262Y2 (en) | 1978-10-16 | 1978-10-16 | Resin crown retainer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS596262Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114466A (en) * | 2015-10-14 | 2015-12-02 | 如皋市非标轴承有限公司 | Rolling bearing |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007315587A (en) * | 2006-04-28 | 2007-12-06 | Nachi Fujikoshi Corp | Retainer for synthetic resin-made bearing |
| JP6376212B2 (en) * | 2014-02-27 | 2018-08-22 | 日本精工株式会社 | Angular contact ball bearings |
| JP2016027279A (en) * | 2014-07-02 | 2016-02-18 | 日本精工株式会社 | Crown retainer and angular contact ball bearing |
-
1978
- 1978-10-16 JP JP1978140815U patent/JPS596262Y2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114466A (en) * | 2015-10-14 | 2015-12-02 | 如皋市非标轴承有限公司 | Rolling bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5557517U (en) | 1980-04-18 |
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