JPH044518U - - Google Patents

Info

Publication number
JPH044518U
JPH044518U JP4495190U JP4495190U JPH044518U JP H044518 U JPH044518 U JP H044518U JP 4495190 U JP4495190 U JP 4495190U JP 4495190 U JP4495190 U JP 4495190U JP H044518 U JPH044518 U JP H044518U
Authority
JP
Japan
Prior art keywords
wall thickness
hole
cast
crankshaft
crank pin
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.)
Granted
Application number
JP4495190U
Other languages
Japanese (ja)
Other versions
JP2586521Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990044951U priority Critical patent/JP2586521Y2/en
Publication of JPH044518U publication Critical patent/JPH044518U/ja
Application granted granted Critical
Publication of JP2586521Y2 publication Critical patent/JP2586521Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示す要部側面図、
第２図は第１図の矢印方向から視た正面図、第
３図はウエブ１６の鋳抜き孔入口部分に発生する
最大応力σｍａｘとウエブ外周形状との関係を示
した線図、第４図はクランクピン部に捩り力が作
用した場合のウエブ外周部分の変形態様を示した
部分的正面図である。 １０……クランク軸、１２……クランクピン部
、１４……ジヤーナル部、１６……ウエブ、２０
……鋳抜き孔、２０′……鋳抜き孔入口開口、２
４……突起部。 FIG. 1 is a side view of essential parts showing an embodiment of the present invention;
2 is a front view seen from the direction of the arrow in FIG. 1, FIG. 3 is a diagram showing the relationship between the maximum stress σ max generated at the entrance of the casting hole of the web 16 and the outer peripheral shape of the web, and FIG. The figure is a partial front view showing how the outer peripheral portion of the web deforms when a torsional force is applied to the crank pin portion. 10... Crankshaft, 12... Crank pin part, 14... Journal part, 16... Web, 20
... Casting hole, 20'... Casting hole inlet opening, 2
4... Protrusion.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] クランクピン部と同クランクピン部に隣接する
ウエブ部分とにわたつて略軸線方向に延在する鋳
抜き孔を形成してなるものにおいて、上記ウエブ
の同鋳抜き孔を囲む外周部分が、上記鋳抜き孔の
入口開口の中心を通りクランク軸中心線を含む第
１の平面内の肉厚をＨ１とし、上記鋳抜き孔の入
口開口の中心を通り上記第１平面に対し３０〜５
０度の角度をなす第２平面内の肉厚をＨ２とした
とき、２．５≧Ｈ２／Ｈ１≧１．５なる外郭形状
を有することを特徴とする鋳鉄クランク軸。 A cast hole extending substantially in the axial direction is formed between a crank pin portion and a web portion adjacent to the crank pin portion, wherein an outer circumferential portion of the web surrounding the cast hole is formed in the cast hole. The wall thickness in the first plane passing through the center of the inlet opening of the casting hole and including the crankshaft center line is defined as H1 , and the wall thickness in the first plane passing through the center of the inlet opening of the casting hole and including the crankshaft center line is 30 to 5
A cast iron crankshaft having an outer shape such that 2.5≧H 2 /H 1 ≧1.5, where H 2 is the wall thickness in a second plane forming an angle of 0 degrees.
JP1990044951U 1990-04-26 1990-04-26 Cast iron crankshaft Expired - Lifetime JP2586521Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990044951U JP2586521Y2 (en) 1990-04-26 1990-04-26 Cast iron crankshaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990044951U JP2586521Y2 (en) 1990-04-26 1990-04-26 Cast iron crankshaft

Publications (2)

Publication Number Publication Date
JPH044518U true JPH044518U (en) 1992-01-16
JP2586521Y2 JP2586521Y2 (en) 1998-12-09

Family

ID=31558705

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990044951U Expired - Lifetime JP2586521Y2 (en) 1990-04-26 1990-04-26 Cast iron crankshaft

Country Status (1)

Country Link
JP (1) JP2586521Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016199711A1 (en) * 2015-06-12 2016-12-15 新日鐵住金株式会社 Crankshaft for reciprocating engine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH024017U (en) * 1988-06-20 1990-01-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH024017U (en) * 1988-06-20 1990-01-11

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016199711A1 (en) * 2015-06-12 2016-12-15 新日鐵住金株式会社 Crankshaft for reciprocating engine

Also Published As

Publication number Publication date
JP2586521Y2 (en) 1998-12-09

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