JP2541390Y2 - Cage of finite linear motion rolling guide bearing - Google Patents
Cage of finite linear motion rolling guide bearingInfo
- Publication number
- JP2541390Y2 JP2541390Y2 JP1990405624U JP40562490U JP2541390Y2 JP 2541390 Y2 JP2541390 Y2 JP 2541390Y2 JP 1990405624 U JP1990405624 U JP 1990405624U JP 40562490 U JP40562490 U JP 40562490U JP 2541390 Y2 JP2541390 Y2 JP 2541390Y2
- Authority
- JP
- Japan
- Prior art keywords
- cage
- linear motion
- retainer
- rolling guide
- track member
- 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
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、計測装置やコンピュー
ター関連装置の磁気ヘッド案内部等に使用される小形、
軽量な有限直動転がり案内軸受における転動体の保持器
の改良に関する。The present invention relates to a compact type used for a magnetic head guide of a measuring device or a computer-related device,
The present invention relates to an improvement of a retainer of a rolling element in a lightweight finite linear motion rolling guide bearing.
【０００２】[0002]
【従来の技術】この種の有限直動転がり案内軸受として
は、実公昭６２−３５９４３号公報に示されるものが知
られているが、これらの案内軸受は、図４に示すごと
く、摺動テーブルＡの長さ方向の前後両端に設けられた
ストッパＢに、転動体の保持器Ｃの平坦な端面Ｄを当接
させることにより、摺動テーブルＡの摺動ストロークの
制御を行っている。2. Description of the Related Art As this kind of finite linear motion rolling guide bearing, the one disclosed in Japanese Utility Model Publication No. Sho 62-35943 is known, and these guide bearings are, as shown in FIG. The sliding stroke of the sliding table A is controlled by bringing the flat end faces D of the retainers C of the rolling elements into contact with stoppers B provided at both front and rear ends in the longitudinal direction of A.
【０００３】このため、摺動テーブルＡの両端のストッ
パＢの、摺動方向の相当長さの２倍分だけ、摺動テーブ
ルＡの摺動ストロークが短くなり、有効ストロークに比
し、摺動テーブルＡの長さが長くなり、小形化の面で制
約が生じている。For this reason, the sliding stroke of the sliding table A is reduced by twice the length of the stoppers B at both ends of the sliding table A in the sliding direction, and the sliding stroke is smaller than the effective stroke. The length of the table A is long, and there is a restriction on downsizing.
【０００４】[0004]
【考案が解決しようとする課題】本考案は、摺動テーブ
ルの摺動ストロークを従来と同一とすれば、従来のもの
より摺動テーブルを短くでき、逆に摺動テーブルの長さ
を従来のものと同一とすれば、摺動ストロークを従来の
ものより長くしうる有限直動転がり案内軸受の転動体の
保持器を提供することを課題としている。According to the present invention, if the sliding stroke of the sliding table is the same as the conventional one, the sliding table can be made shorter than the conventional one, and conversely, the length of the sliding table can be reduced. It is an object of the present invention to provide a retainer for a rolling element of a finite linear motion rolling guide bearing which can make the sliding stroke longer than that of a conventional one if the same.
【０００５】[0005]
【課題を解決するための手段】本考案は、前記課題を解
決するため、ベッドたる軌道部材と、該軌道部材に跨架
した摺動テーブルと、前記軌道部材と前記摺動テーブル
との間に介装された複数個の転動体を具備する保持器と
を有する有限直動転がり案内軸受において、前記保持器
の前後両端部に、摺動テーブルの前後両端に設けられた
ストッパに当接する当接部が形成されており、該当接部
は、保持器長さ方向に凹欠された凹陥部分とされ、前記
保持器が長さ方向と直交する断面において略倒コ字形と
され、その頂壁の両端に前記凹陥部分が形成されている
と共に、該当接部間の頂壁には、適数の切欠窓穴が形成
されており、該切欠窓穴の保持器長さ方向の前後の両端
縁が、前記当接部と同一周縁形状とされているという構
成を採っている。Means for Solving the Problems The present invention, in order to solve the above problems, a base head serving raceway member, a sliding table saddled in said track member, and said track member and said slide table and have your finite linear motion rolling guide bearing and a retainer having a plurality of rolling elements interposed between, the front and rear end portions of the front Kiho lifting device, provided in the front and rear ends of the sliding table abutting portion abutting the stopper is formed, the abutting portion is a concave been recessed portion on the cage length direction, substantially in a cross section the <br/> retainer is orthogonal to the longitudinal direction is a倒Ko shape, with the concave recessed portions at opposite ends of the top wall is formed, on the top wall between the abutting portions, the appropriate number cutout window hole is formed, the該切Ketsumadoana front and rear both end edges of the retainer longitudinal direction, has adopted the configuration that the there is a contact portion of the same peripheral shape .
【０００６】[0006]
【作用】本考案によると、保持器の前後両端部に形成さ
れているストッパとの当接部が、保持器長さ方向に凹欠
された凹陥部分とされているので、保持器長さ方向の凹
欠の深さの２倍だけ前後方向において摺動ストロークが
長くなり、逆に、摺動テーブルの摺動ストロークを従来
と同一とすれば、従来装置に比し、当接部の凹欠の深さ
の２倍だけ摺動テーブルを短縮でき、その分の小形化が
可能となる。According to the present invention , since the contact portions with the stoppers formed at the front and rear end portions of the retainer are formed as concave portions which are recessed in the retainer length direction, the retainer length direction is reduced. sliding stroke is lengthened in the rear direction forward by twice the concave depth, conversely, if the sliding stroke of the sliding table conventional same, compared with the conventional apparatus, the concave abutment The sliding table can be shortened by twice the depth of the notch, and the size can be reduced accordingly.
【０００７】また、保持器４が長さ方向と直交する断面
において略倒コ字形とされ、その頂壁１２の両端に、摺
動テーブル１のストッパ７、８に当接する当接部９、１
０たる凹陥部分が形成されていると共に、該当接部９、
１０間の頂壁１２には、適数の切欠窓穴１５、１６が形
成されており、該切欠窓穴１５、１６の保持器長さ方向
の前後の両端縁１７〜２０は、前記当接部９、１０と同
一周縁形状とされており、従来の小形、軽量な有限直動
転がり案内軸受である鋼板製の縦断面略倒コ字形の保持
器構造に採用が可能であり、また単一の保持器素材を、
切欠窓穴部分で切断することにより、容易に所要長さの
保持器を製造できる。 [0007] is substantially credit U-shaped in cross-section the cage 4 is orthogonal to the longitudinal direction, the both ends of the top wall 12, abutting portion abuts against the stopper 7, 8 of the sliding table 1 9,1
0 concave portion is formed, and the corresponding contact portion 9,
The top wall 12 is between 10 is formed with an appropriate number of notches window hole 15, both end edges 17-20 of the front and rear of the cage length direction of該切Ketsumadoana 15 and 16, the abutment parts 9, 10 are the same peripheral shape and is capable of employing traditional small, the cage structure of the lightweight finite linear motion rolling guide a bearing steel of the longitudinal section shown倒Ko shape, also single One cage material,
By cutting at the notched window hole, a cage having a required length can be easily manufactured.
【０００８】[0008]
【実施例】図１および図２は実施の一例を示しており、
図１は、本考案の保持器を装備した摺動テーブル１の底
面図であり、図２は、図１中Ｆ−Ｆ線断面図である。1 and 2 show an example of the embodiment.
FIG. 1 is a bottom view of the sliding table 1 equipped with the cage of the present invention, and FIG. 2 is a sectional view taken along line FF in FIG.
【０００９】摺動テーブル１は、転動体２を介してベッ
ドたる軌道部材３に跨架され、軌道部材３の長さ方向へ
双矢印Ｇ方向へ摺動される。The sliding table 1 is straddled on a track member 3 serving as a bed via a rolling element 2 and is slid in the direction of the double arrow G in the length direction of the track member 3.
【００１０】転動体２たるボールは、保持器４に保持さ
れて摺動テーブル１の軌道５と軌道部材３の軌道６との
間に介装されており、該保持器４は、その長さ方向と直
交する断面が、略倒コ字形とされた、いわゆる断面Ｍ字
状保持器とされている。The ball serving as the rolling element 2 is held by a holder 4 and is interposed between the track 5 of the sliding table 1 and the track 6 of the track member 3. A cross section orthogonal to the direction is a so-called M-shaped cross-section retainer having a substantially inverted U shape.
【００１１】前記摺動テーブル１の前後両端には、摺動
テーブル１の摺動ストロークを規制するストッパ７、８
が軌道部材３側へ突設されている。At the front and rear ends of the sliding table 1, stoppers 7, 8 for regulating the sliding stroke of the sliding table 1 are provided.
Are protruded toward the track member 3 side.
【００１２】前記保持器４の前後両端部には、前記スト
ッパ７、８に当接する当接部９、１０が形成されてお
り、この当接部９、１０は、保持器４の長さ方向Ｏ−Ｏ
に凹欠された凹陥部分とされ、その凹陥深さＨは、スト
ッパ７、８の、前記長さ方向Ｏ−Ｏにおける長さＩより
僅かに短く設定されている。At both front and rear ends of the retainer 4, abutments 9, 10 for contacting the stoppers 7, 8 are formed, and these abutments 9, 10 extend in the longitudinal direction of the retainer 4. O-O
The depth H of the recess is set slightly shorter than the length I of the stoppers 7 and 8 in the length direction OO.
【００１３】前記保持器４は、図３に底面図として示さ
れるごとき保持器素材１１から所要長さＪに切断される
ものであり、保持器素材１１は、頂壁１２と、その両側
から垂下する左右の側壁１３、１４とを有し、頂壁１２
には、適数の切欠窓穴１５、１６が形成され、この切欠
窓穴１５、１６の保持器長さ方向Ｏ−Ｏの前後両端縁１
７、１８、１９、２０は、前記当接部９、１０と同一周
縁形状とされている。また、前記切欠窓穴１５、１６
は、長さを異にしている。The retainer 4 is cut from a retainer material 11 as shown in a bottom view in FIG. 3 to a required length J. The retainer material 11 is suspended from a top wall 12 and both sides thereof. Left and right side walls 13 and 14,
Are formed with an appropriate number of notched window holes 15 and 16, and the front and rear end edges 1 of the notched window holes 15 and 16 in the cage length direction OO.
7, 18, 19 and 20 have the same peripheral shape as the contact portions 9 and 10. In addition, the notched window holes 15, 16
Have different lengths.
【００１４】図３に示す保持器素材１１の前後両端は、
前記当接部９、１０と同一の凹陥部分たる凹陥部２１、
２２に形成されている。The front and rear ends of the cage material 11 shown in FIG.
A concave portion 21, which is the same concave portion as the contact portions 9, 10,
22.
【００１５】保持器素材１１の側壁１３、１４には、転
動体２の嵌装孔２３群が開設されている。The side walls 13 and 14 of the cage material 11 are provided with a group of fitting holes 23 for the rolling elements 2.
【００１６】図１に示す保持器４は、図３に示す保持器
素材１１の切欠窓穴１６の端縁１９が当接部１０とさ
れ、該素材１１の凹陥部２１が当接部９とされたものに
相当する。In the cage 4 shown in FIG. 1, the edge 19 of the notch window 16 of the cage material 11 shown in FIG. 3 is used as the contact portion 10, and the concave portion 21 of the material 11 is used as the contact portion 9. It corresponds to what was done.
【００１７】図示例では、軌道部材３がベッド側とされ
ているが、逆に摺動テーブル１に相当する部材をベッド
側として固定し、軌道部材３に相当する部材を摺動テー
ブルとしてもよいことは勿論である。なお、図１におい
て、符号２４、２５は側板である。In the illustrated example, the track member 3 is on the bed side. Conversely, a member corresponding to the slide table 1 may be fixed on the bed side, and a member corresponding to the track member 3 may be a slide table. Of course. In FIG. 1, reference numerals 24 and 25 are side plates.
【００１８】[0018]
【考案の効果】本考案によると、転動体２の保持器４の
前後両端部に、摺動テーブル１の前後両端に設けられた
ストッパ７、８に当接する当接部９、１０が形成されて
おり、該当接部９、１０は、保持器長さ方向に凹欠され
た凹陥部分とされているので、保持器４の当接部９、１
０の凹陥深さＨに相当する２倍の長さだけ、摺動テーブ
ル１の前後両方向への摺動ストロークが長くなるので、
必要とされる摺動ストロークを一定とすれば、摺動テー
ブル１の長さを長さ２Ｈだけ短縮でき、有限直動転がり
案内軸受の小形化を可能とする効果を奏する。According to the present invention, at the front and rear ends of the retainer 4 of the rolling element 2, the contact portions 9, 10 are formed which contact the stoppers 7, 8 provided at the front and rear ends of the sliding table 1. Since the corresponding contact portions 9 and 10 are recessed portions that are notched in the length direction of the cage, the contact portions 9 and 1 of the cage 4
Since the sliding stroke of the sliding table 1 in both the front and rear directions is increased by twice the length corresponding to the concave depth H of 0,
If the required sliding stroke is fixed, the length of the sliding table 1 can be shortened by the length 2H, and the effect of enabling downsizing of the finite linear motion rolling guide bearing is achieved.
【００１９】また、保持器４が長さ方向と直交する断面
において略倒コ字形とされ、その頂壁１２の両端に、摺
動テーブル１のストッパ７、８に当接する当接部９、１
０たる凹陥部分が形成されていると共に、保持器４の頂
壁に切欠窓穴１５、１６が形成されているので保持器４
の軽量化が図れる効果があり、また該切欠窓穴１５、１
６の端縁１７、１８、１９、２０は、当接部９、１０と
同一周縁形状とされているので、単一の保持器素材１１
から長さの異なる複数種の保持器の製造が可能となる効
果も有している。 [0019] is substantially credit U-shaped in cross-section the cage 4 is orthogonal to the longitudinal direction, the both ends of the top wall 12, abutting portion abuts against the stopper 7, 8 of the sliding table 1 9,1
0 recessed portion is formed, and notched window holes 15 and 16 are formed in the top wall of the retainer 4.
Has the effect of reducing the weight of the notch windows 15 and 1.
Since the edge 17, 18, 19, 20 of 6 is abutting portions 9 and 10 the same peripheral shape, single cage blank 11
This also has the effect that a plurality of types of cages having different lengths can be manufactured.
【図１】本考案にかかる保持器を装備した摺動テーブル
の底面図である。FIG. 1 is a bottom view of a sliding table equipped with a retainer according to the present invention.
【図２】図１中のＦ−Ｆ線断面図である。FIG. 2 is a sectional view taken along line FF in FIG.
【図３】保持器素材の底面図である。FIG. 3 is a bottom view of the cage material.
【図４】従来装置の斜視図である。FIG. 4 is a perspective view of a conventional device.
１ 摺動テーブル ２ 転動体 ３ 軌道部材 ４ 保持器 ７、８ ストッパ ９、１０ 当接部 １２ 頂壁 １５、１６ 切欠窓穴 １７、１８、１９、２０ 端縁 DESCRIPTION OF SYMBOLS 1 Sliding table 2 Rolling element 3 Track member 4 Cage 7, 8 Stopper 9, 10 Contact part 12 Top wall 15, 16 Notch window hole 17, 18, 19, 20 Edge
Claims (1)
架した摺動テーブルと、前記軌道部材と前記摺動テーブ
ルとの間に介装された複数個の転動体を具備する保持器
とを有する有限直動転がり案内軸受において、 前記保持器の前後両端部に、摺動テーブルの前後両端に
設けられたストッパに当接する当接部が形成されてお
り、該当接部は、保持器長さ方向に凹欠された凹陥部分
とされ、前記 保持器が長さ方向と直交する断面において略倒コ字
形とされ、その頂壁の両端に、前記凹陥部分が形成され
ていると共に、 該当接部間の前記頂壁には、適数の切欠窓穴が形成され
ており、該切欠窓穴の保持器長さ方向の前後の両端縁が
前記当接部と同一周縁形状とされている有限直動転がり
案内軸受の保持器。A track member serving as a bed, a slide table straddling the track member, and a retainer including a plurality of rolling elements interposed between the track member and the slide table. and have your finite linear motion rolling guide bearing having, in the front and rear ends of the front Kiho lifting device, which abutment portion which abuts is formed on the stopper provided on the front and rear ends of the sliding table, the abutment portion , is a concave been recessed portion on the cage length direction, in a cross section the cage is perpendicular to the length direction is substantially credit U-shaped, both ends of the top wall, the recessed portion is formed together, the said top wall between the abutting portion and an appropriate number of cutout window holes are formed, and the front and rear end edges of the retainer lengthwise direction of該切Ketsumadoana is <br/> the abutment A cage for finite linear motion rolling guide bearings with the same peripheral shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990405624U JP2541390Y2 (en) | 1990-12-28 | 1990-12-28 | Cage of finite linear motion rolling guide bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990405624U JP2541390Y2 (en) | 1990-12-28 | 1990-12-28 | Cage of finite linear motion rolling guide bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0493517U JPH0493517U (en) | 1992-08-13 |
| JP2541390Y2 true JP2541390Y2 (en) | 1997-07-16 |
Family
ID=31883014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990405624U Expired - Lifetime JP2541390Y2 (en) | 1990-12-28 | 1990-12-28 | Cage of finite linear motion rolling guide bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2541390Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010175033A (en) * | 2009-01-30 | 2010-08-12 | Nsk Ltd | Linear guide device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59155384A (en) * | 1983-02-21 | 1984-09-04 | Toagosei Chem Ind Co Ltd | Methylene group-containing spiro ortho-carbonate compound |
| JPS60127851A (en) * | 1983-12-14 | 1985-07-08 | Matsushita Electric Ind Co Ltd | Digital transmission method |
| JPS61106624U (en) * | 1984-12-19 | 1986-07-07 |
-
1990
- 1990-12-28 JP JP1990405624U patent/JP2541390Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0493517U (en) | 1992-08-13 |
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