JPS601426A - Bearing device for transmission case - Google Patents
Bearing device for transmission caseInfo
- Publication number
- JPS601426A JPS601426A JP58109048A JP10904883A JPS601426A JP S601426 A JPS601426 A JP S601426A JP 58109048 A JP58109048 A JP 58109048A JP 10904883 A JP10904883 A JP 10904883A JP S601426 A JPS601426 A JP S601426A
- Authority
- JP
- Japan
- Prior art keywords
- side plate
- outer race
- bearing
- nut
- hole
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 238000012856 packing Methods 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/067—Fixing them in a housing
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は伝動ケースの軸受装置の構造に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the structure of a bearing device for a transmission case.
農作業機等において動力伝動軸を内蔵する伝動□ケース
を鋳造したり板金溶接構造やプレス成形構造とすること
が従来から行われているが、この伝動ケース側板に伝動
軸の軸端を軸支する場合Ｊ伝動ケース側板にボス部を一
体的に又は溶接で設け、眩ボス部にベアリングを嵌着す
るにはベアリングの外し〜スが嵌る軸受孔を機械加工で
精密に穿設する必要があり、これには多大の手間と費用
が掛るめであった。Traditionally, the power transmission case that houses the power transmission shaft in agricultural machinery, etc. has been cast, or has a sheet metal welded structure or press-formed structure. In this case, a boss part is provided on the side plate of the transmission case either integrally or by welding, and in order to fit the bearing into the boss part, it is necessary to precisely drill a bearing hole into which the bearing remover fits, by machining. This required a great deal of effort and expense.
そこで本発明では、ベアリングの外レースの外周又は−
側端に設けた雄ねじ部を伝動ケース側板の孔から外に突
出させ、該雄ねじ部にｉ用板外から螺合するナツトと、
外レース−側端もしくは前記雄ねじ□部に螺・合する内
ナツトとにより側板を挟着することにより、従来のボス
部を省略すると共に軸受孔の精密加工を省略し、伝動ケ
ースの軽量化と製作費の低減を図ったものである。Therefore, in the present invention, the outer periphery of the outer race of the bearing or the -
A nut having a male threaded portion provided at a side end protruding outward from a hole in a side plate of the transmission case, and screwed into the male threaded portion from outside the i plate;
By sandwiching the side plate between the outer race and the side end or the inner nut that screws into the male thread □, the conventional boss part and the precision machining of the bearing hole can be omitted, resulting in a lighter transmission case. The aim was to reduce production costs.
次に本発明を農作業機の動力伝動ケースに適用した実施
例について説明すると、（１）は伝動ケースの鉄板製側
板、（２）は伝動軸、（３）は伝動軸（２）の軸端に内
レース（４）が被嵌するベアリングを示す。Next, an example in which the present invention is applied to a power transmission case of an agricultural machine will be described. (1) is an iron plate side plate of the transmission case, (2) is a transmission shaft, and (3) is a shaft end of the transmission shaft (2). 2 shows the bearing into which the inner race (4) fits.
第１図の実施例では、ベアリング（３）の外レース（５
）外周面に雄ねじ部（６）を形成する。 （７）は雄ね
じ部（６）に螺合するみぞ付きの内ナツトで、該内ナツ
ト（７）の−側部には前記側板（１）の孔（８）にきっ
ちりと嵌る段付嵌合部（９）を形成する。 ゛また、（
１０）は六角袋ナツトである。In the embodiment shown in FIG. 1, the outer race (5) of the bearing (3)
) A male threaded portion (6) is formed on the outer peripheral surface. (7) is a grooved inner nut that is screwed into the male threaded portion (6), and the negative side of the inner nut (7) has a stepped fitting that tightly fits into the hole (8) of the side plate (1). Form part (9).゛Also, (
10) is a hexagonal bag nut.
この構成によれば、ベアリング（３）の外レース（５）
に内ナツト（７）を螺合した後、これを側板（１）内側
からその孔（８）に嵌めると、内ナツト（７）の段付嵌
合部（９）が孔（８）に嵌って芯合せ等の位置決ができ
る。According to this configuration, the outer race (5) of the bearing (3)
After screwing the inner nut (7) into the hole (8) from inside the side plate (1), the stepped fitting part (9) of the inner nut (7) will fit into the hole (8). It is possible to perform positioning such as centering.
次いで、側板（１）外側からパツキンＯＤを嵌めた後前
記六角袋ナツトＯｏ）を螺合して締着すれば良い。Next, after fitting the gasket OD from the outside of the side plate (1), the hexagonal cap nut Oo) is screwed and tightened.
このようにすれば、側板（１）にボス部を必要とせず、
内ナツト（７）と六角袋ナツト００とで側板（１）を挟
着するのでベアリング（３）は位置ずれせず、又、ガタ
付くこともない。 さらに側板（１）外側では袋ナツト
００でベアリング（３）側面をすっぽりと覆うので砂や
塵が入らないのである。In this way, there is no need for a boss part on the side plate (1),
Since the side plate (1) is sandwiched between the inner nut (7) and the hexagonal cap nut 00, the bearing (3) does not shift its position or rattle. Furthermore, on the outside of the side plate (1), the side surface of the bearing (3) is completely covered with a cap nut 00, so sand and dust cannot enter.
第２図の実施例では、第１図実施例における内ナツト（
７）から段付嵌合部（８）を省略したもので、側板（１
）の孔（８）径はベアリング外レース（５）外径と略同
じに形成する。 本実施例でも内ナツト（７）と六角袋
ナツト００）で側板（１）を挟着できる。In the embodiment shown in FIG. 2, the inner nut (
7) with the stepped fitting part (8) omitted, and the side plate (1
) The diameter of the hole (8) is formed to be approximately the same as the outer diameter of the bearing outer race (5). In this embodiment as well, the side plate (1) can be sandwiched between the inner nut (7) and the hexagonal cap nut (00).
第３図の実施例では、ベアリング（３）外レース（５）
外周の一０１１１部に雄ねじ部（６）を形成する一方、
他０１１１端には側板（１）の孔（８）より大径の鍔体
ｏりを一体的に形成しである。 したがって、該鍔体（
１２）が側板（１）の内側に位置するようにベアリング
（３）を孔（８）に嵌め入れ、鍔体Ｏ２又はその−側に
介挿する座金ｏａを側板（１）内面に接当させ、外側か
ら六角袋ナツトｏ。In the embodiment shown in Fig. 3, the bearing (3), the outer race (5)
While forming a male threaded portion (6) on one part of the outer periphery,
A flange body having a diameter larger than the hole (8) in the side plate (1) is integrally formed at the other end. Therefore, the collar body (
12) is positioned inside the side plate (1), fit the bearing (3) into the hole (8), and bring the washer OA inserted into the collar body O2 or its - side into contact with the inner surface of the side plate (1). , Hexagon bag nut o from the outside.
で挟着すれば良い。All you have to do is clamp it in place.
第４図の実施例は、ベアリング（３）の外レース（５）
′を内レース（４）の］１］寸法より広１１」に形成し
、該内レース（４）を外レース（５）′の他側寄りに片
寄らせて配設し、外レース（５）′の一側寄りにはこの
内径に嵌挿する鍔体０４）と側板（１）内面に接当する
段部０句を一体的一に設けたボルトα０をスナップリン
グＱ７）にて抜は不能に装着し、該ボルト０＠の雄ねじ
部α８）を側板（１）の孔（８）′から外に突出させて
これをナツトｏ９で螺合し、段部０！１９とナツト◇［
相］にて側板（１）を挟着するものである。 このとき
前記段部０５９の厚さを薄く、外レース（５）′の一側
端面が側板（１）内面に接当するようにしても良い。The embodiment shown in Fig. 4 shows the outer race (5) of the bearing (3).
' is formed to be 11'' wider than the [1] dimension of the inner race (4), and the inner race (4) is arranged to be biased toward the other side of the outer race (5)'. The bolt α0, which has a collar body 04) that fits into this inner diameter and a stepped part 0 that comes into contact with the inner surface of the side plate (1), is integrally provided on one side of '' and cannot be removed with a snap ring Q7). Attach the bolt 0!'s male thread part α8) to the outside through the hole (8)' of the side plate (1), screw it together with the nut o9, and connect the stepped part 0!19 and the nut ◇[
The side plate (1) is sandwiched between the two sides. At this time, the thickness of the stepped portion 059 may be made thin so that one end surface of the outer race (5)' comes into contact with the inner surface of the side plate (1).
第５図の実施例では、前記第４図実施例における外レー
ス（５）′内周−側寄りに、ボルトＱＧ！’Ｊ体α４）
を抜は不能にする止め輪（２０’）を螺着するものであ
る。In the embodiment shown in FIG. 5, the bolt QG! 'J body α4)
A retaining ring (20') is screwed on to make it impossible to remove.
また、第４図及び第５図の実施例では前記ボルト００を
ナツト０９）締着するのに代えて側板（１）の孔（８）
１部で栓溶接又はかしめ付けにより取り外し不能に固着
することができる。In addition, in the embodiment shown in FIGS. 4 and 5, instead of tightening the bolt 00 with a nut 09), a hole (8) in the side plate (1) is used.
It can be permanently fixed in one part by plug welding or caulking.
さらに第１図、第２図、第３図及び第５図の実施例では
ｕｉｉ記各雄ねじ部と内ナツト（７）（７）、止め輪（
イ）との螺合位置を変える座金０３の厚さを変えること
により側板（１）の厚さ方向に対するベアリング（３）
の取付位置を調節することができる。Furthermore, in the embodiments shown in FIGS.
By changing the screwing position of the washer 03 with the bearing (3) in the thickness direction of the side plate (1)
The mounting position can be adjusted.
第６図の実施例では、ベアリング（３）の外レース（５
）′の一側端に底板（２１）を設け、該底板Ｃυの外側
にボルト００！を一体的に突出させ、これを側板（１）
の孔（８）ｌを介してナツト００締着するものである。In the embodiment shown in FIG. 6, the outer race (5) of the bearing (3)
)′ is provided with a bottom plate (21) at one side end, and bolts 00! are attached to the outside of the bottom plate Cυ. integrally protrude and form the side plate (1).
The nut 00 is tightened through the hole (8)l.
このと泡
き底板Ｃυ外側に段部（イ）を設けて、これ側板（１）
の孔へ
（８）Ｉにガタ付缶なく嵌めるようにしても良い。With this, a step part (A) is provided on the outside of the foam bottom plate Cυ, and this side plate (1)
It is also possible to fit the can into the hole (8)I without any looseness.
第７図の実施例では、ベアリング（３）外レース（５）
′の一側端に底板Ｃυを設け、該底板０１）の孔（ハ）
の内（ｐｌｌから頭（財）付きボルトＱ６１’を外側に
突出させ、これを側板（１）の孔（８）′を介してナッ
ト０窃締着する。In the embodiment shown in FIG. 7, the bearing (3), the outer race (5)
A bottom plate Cυ is provided at one end of the bottom plate 01).
A bolt with a head Q61' protrudes outward from the pll, and is tightened with a nut through the hole (8)' of the side plate (1).
このとき前記ボルトＱＱ’の頭（財）及び底板０１）の
孔（イ）を底板Ｃ０の外側Ｃ側板（１）に近い側）に行
くに従って小径となるテーパー状に形成してナツト０９
）による締着を強固にすることもできる。At this time, the head (material) of the bolt QQ' and the hole (a) of the bottom plate 01) are formed into a tapered shape that becomes smaller in diameter as it goes toward the outer C side plate (1) of the bottom plate C0).
) can also strengthen the fastening.
第８図の実施例は、ベアリング（３）の外レース（５）
＃７７部に嵌着する別体の皿型受は体（ハ）の底板ｔｉ
＋）外側にボルトＱＱ’を突出させこれを側板（１）の
孔（８）〃を介してナット０◎締着するようにしたもの
であり、これによれば、ベアリング（３）そのものは市
販品を適用できる。The embodiment shown in Fig. 8 shows the outer race (5) of the bearing (3).
The separate dish-shaped receiver that fits into the #77 part is the bottom plate ti of the body (C).
+) A bolt QQ' is protruded from the outside and is tightened with a nut 0◎ through the hole (8) of the side plate (1).According to this, the bearing (3) itself is commercially available. products can be applied.
以上要するに本発明は伝動軸の軸端に被嵌するベアリン
グの外レース外周又は該外レースの一側端に雄ねじ部を
設け、該雄ねじ部を伝動ケース側板に穿設した孔から外
に突出し、０１１記雄ねじ部に側板外から螺合するナツ
トと％前記雄ねじ部に螺合する内ナツト又は外レース−
側端面とにより１１０記側板を挾着するもので、このよ
うな軸受装置を予め別体で製作しておけば良く、伝動ケ
ース自体にベアリングの外レース嵌着のためのホス部を
設ける必要がないので、伝動ケース及びボス部を鋳造又
は溶接構造とするときのようにその熱歪について考慮せ
ずとも良いから、伝動ケース肉厚を薄形にして軽量にす
ることができる。In summary, the present invention provides a male threaded portion on the outer periphery of the outer race of a bearing fitted on the shaft end of a transmission shaft or one side end of the outer race, and projects the male threaded portion outward from a hole drilled in a side plate of the transmission case. 011 A nut that is screwed into the male threaded portion from outside the side plate and an inner nut or outer race that is screwed into the male threaded portion.
The side plate 110 is clamped by the side end surface, and it is sufficient to manufacture such a bearing device separately in advance, and it is not necessary to provide a host part for fitting the outer race of the bearing on the transmission case itself. Therefore, there is no need to consider thermal strain when the transmission case and the boss part are made of a cast or welded structure, and the thickness of the transmission case can be made thinner and the weight can be reduced.
また（、＝＜ｌ記ボス部に外レースが嵌る精密な軸受孔
を穿設する必要がなく、工作の手間を省略できると共に
、予め伝動軸端に本発明の軸受装置の外レース等を装着
しておくことができるから伝動軸の組立分解も容易とな
る効果を有する。In addition, it is not necessary to drill a precise bearing hole into which the outer race fits into the boss portion (=<l), and the labor of machining can be omitted, and the outer race, etc. of the bearing device of the present invention is attached to the end of the transmission shaft in advance. This has the effect of making it easier to assemble and disassemble the transmission shaft.
図面は本発明の実施例を示し、第１図（、）は外レース
に内ナツトと六角袋ナツトを螺合させる実施例の断面図
、第１図ω）は六角袋ナツトの正面図、第２図は第１図
（、）の別実施例の断面図、第３図は外レースの他側端
に鍔体を設けた実施例の断面図、第４図は、外レース内
周に鍔体付きボルトをスナップリングで止めた実施例の
断面図、第５図は外レース内周に鍔体付ボルトを止め輪
にて止めた実施例の断面図、第６図は外レースの一側端
に底板を設けた実施例の断面図、第７図は外レースの底
板に頭付きボルトを取付けた実施例の断面図、第８図は
外レースに別体の受け体を嵌着した実施例の断面図であ
る。
（１）・・・側板、（２）・・・伝動軸、（３）・・・
ベアリング、（４）・・・内レース、（５）、（５）′
、（５）“、（５）＃・・・外レース、（６）、ａね・
・・雄ねじ部、（７）・・・内ナツト、（８）、（８）
′、（８）〃・・・孔、（１（ｊ・・・六角袋ナツト、
θつ・・・ナツト、α０・・・ボルト。
特許出願人 ヤンマー農機株式会社・
代 理 人 弁理士 石 井 暁 夫、ｉ、（第４図
第５図The drawings show an embodiment of the present invention, and FIG. 1(,) is a cross-sectional view of an embodiment in which an inner nut and a hexagonal cap nut are screwed together with an outer race, FIG. 1(ω) is a front view of the hexagonal cap nut, and FIG. Fig. 2 is a sectional view of another embodiment of Fig. 1 (,), Fig. 3 is a sectional view of an embodiment in which a flange is provided at the other end of the outer race, and Fig. 4 is a sectional view of an embodiment in which a flange is provided on the inner periphery of the outer race. A sectional view of an embodiment in which a bolt with a body is fastened with a snap ring, Fig. 5 is a sectional view of an embodiment in which a bolt with a flanged body is fastened to the inner circumference of the outer race with a retaining ring, and Fig. 6 is a sectional view of one side of the outer race. A sectional view of an embodiment in which a bottom plate is provided at the end, Fig. 7 is a sectional view of an embodiment in which a headed bolt is attached to the bottom plate of the outer race, and Fig. 8 is an embodiment in which a separate receiver is fitted to the outer race. FIG. 3 is an example cross-sectional view. (1)...Side plate, (2)...Transmission shaft, (3)...
Bearing, (4)...Inner race, (5), (5)'
, (5) ", (5) #... outer race, (6), ane・
... Male thread part, (7) ... Inner nut, (8), (8)
', (8)〃...hole, (1(j...hexagonal bag nut,
θ...Natsu, α0...Bolt. Patent Applicant Yanmar Agricultural Machinery Co., Ltd. Agent Patent Attorney Akio Ishii, I (Fig. 4, Fig. 5)
Claims (1)
外周又は該外レースの一側端に雄ねじ部を設け、該雄ね
じ部を伝動ケース側板に穿設した孔から外゛に突出し、
前記雄ねじ部に側板外から螺合するナツトと・、前記雄
ねじ部に螺合する内ナツト又は外レース−側端面とによ
り前記側板を挟着することを特徴とする伝動ケースの軸
受装置。(1). A male threaded portion is provided on the outer periphery of the outer race of the bearing that is fitted onto the shaft end of the transmission shaft, or on one side end of the outer race, and the male threaded portion protrudes outward from a hole drilled in the side plate of the transmission case,
A bearing device for a transmission case, characterized in that the side plate is sandwiched between a nut that is screwed into the male threaded portion from outside the side plate, and a side end surface of an inner nut or outer race that is screwed into the male threaded portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58109048A JPS601426A (en) | 1983-06-16 | 1983-06-16 | Bearing device for transmission case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58109048A JPS601426A (en) | 1983-06-16 | 1983-06-16 | Bearing device for transmission case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS601426A true JPS601426A (en) | 1985-01-07 |
Family
ID=14500279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58109048A Pending JPS601426A (en) | 1983-06-16 | 1983-06-16 | Bearing device for transmission case |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS601426A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4898033A (en) * | 1987-09-24 | 1990-02-06 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Acceleration sensor |
| JPH05141430A (en) * | 1991-11-18 | 1993-06-08 | Nec Data Terminal Ltd | Bearing |
| KR100435875B1 (en) * | 2001-11-06 | 2004-06-12 | 현대자동차주식회사 | The structure instituting Bearing for reducing the total length of Transmission |
| CN103742546A (en) * | 2013-12-27 | 2014-04-23 | 昆山迈致治具科技有限公司 | Hexagonal bearing pedestal connecting bracket |
-
1983
- 1983-06-16 JP JP58109048A patent/JPS601426A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4898033A (en) * | 1987-09-24 | 1990-02-06 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Acceleration sensor |
| JPH05141430A (en) * | 1991-11-18 | 1993-06-08 | Nec Data Terminal Ltd | Bearing |
| KR100435875B1 (en) * | 2001-11-06 | 2004-06-12 | 현대자동차주식회사 | The structure instituting Bearing for reducing the total length of Transmission |
| CN103742546A (en) * | 2013-12-27 | 2014-04-23 | 昆山迈致治具科技有限公司 | Hexagonal bearing pedestal connecting bracket |
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