JPS61145345A - Transmission unit mounting surface structure of cylinder block of engine for vehicle - Google Patents
Transmission unit mounting surface structure of cylinder block of engine for vehicleInfo
- Publication number
- JPS61145345A JPS61145345A JP26886184A JP26886184A JPS61145345A JP S61145345 A JPS61145345 A JP S61145345A JP 26886184 A JP26886184 A JP 26886184A JP 26886184 A JP26886184 A JP 26886184A JP S61145345 A JPS61145345 A JP S61145345A
- Authority
- JP
- Japan
- Prior art keywords
- mounting surface
- transmission unit
- cylinder block
- mounting
- bosses
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/0073—Adaptations for fitting the engine, e.g. front-plates or bell-housings
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Description
【発明の詳細な説明】
Ａ０発明の目的
（１） 産業上の利用分野
本発明は車両用等のエンジンにおけるシリンダブロック
の伝動ユニット取付面構造に関するものである。DETAILED DESCRIPTION OF THE INVENTION A0 OBJECTS OF THE INVENTION (1) Industrial Field of Application The present invention relates to a transmission unit mounting surface structure of a cylinder block in an engine for a vehicle or the like.
（２）従来の技術
従来車両用エンジンにおいて、そのシリンダブロックの
クラッチおよびミッションを収納した伝動ユニットへの
取付面構造は、たとえば、特公昭５７−９９２４７号公
報、実公昭５５−７３５３９号公報に開示されている。(2) Prior Art In a conventional vehicle engine, the mounting surface structure of the cylinder block to the transmission unit housing the clutch and transmission is disclosed in, for example, Japanese Patent Publication No. 57-99247 and Publication Utility Model Publication No. 55-73539. has been done.
（３）発明が解決しようとする問題点
車両用エンジンには、その走行振動や急加減速によって
大きな曲げ力や捩り刀が作用するので。(3) Problems to be Solved by the Invention Large bending forces and twisting forces act on vehicle engines due to running vibrations and sudden acceleration and deceleration.
エンジン本体と、クラッチおよびミッションとを収容し
た伝動ユニットとは前記曲げカや捩りカに十分対抗し得
る高い結合力をもって強固に結合する必要がある。とこ
ろが前記結合力を高めるためにはエンジン本体の伝動ユ
ニット取付面の剛性を高めなければならず、このように
すればエンジン本体自体の重量増を招くという問題があ
る。The engine body and the transmission unit housing the clutch and transmission must be firmly connected with a high bonding force that can sufficiently resist the bending and twisting forces. However, in order to increase the coupling force, it is necessary to increase the rigidity of the transmission unit mounting surface of the engine body, which poses a problem of increasing the weight of the engine body itself.
本発明はかかる実情にかんがみてなされたもので、エン
ジン本体のシリンダブロックの重量増を招くことなくそ
の伝動ユニット取付面の剛性を高めるようにして前記問
題を解決できるようにした、ものである。The present invention has been made in view of the above circumstances, and is intended to solve the above problem by increasing the rigidity of the mounting surface of the transmission unit without increasing the weight of the cylinder block of the engine body.
Ｂ０発明の構成
（１）問題点を解決するための手段
本発明は前記目的達成のためシリンダブロックの、伝動
ユニットの取付面を、略台形状に形成し、該取付面の少
なくとも四隅に、それぞれねじ孔を穿設した上縁左、右
および下縁圧、右取付ボスを設け、下縁左、右取付ボス
間を、アーチ状補強リブにより連結し、さらに該補強リ
ブの途中と上縁左、右取付ボス間をそれぞれ縦補強リブ
により連結する。B0 Structure of the Invention (1) Means for Solving Problems In order to achieve the above-mentioned object, the present invention forms the mounting surface of the transmission unit of the cylinder block into a substantially trapezoidal shape, and at least four corners of the mounting surface are provided with a A screw hole is provided on the upper left, right, and lower edges, and a right mounting boss is provided, and the lower edge left and right mounting bosses are connected by an arch-shaped reinforcing rib, and the middle of the reinforcing rib and the upper left , the right mounting bosses are connected by vertical reinforcing ribs.
（２）作 用
前記構成によれば、シリンダブロックの伝動ユニット取
付面は、該シリンダブロックの重量増を招くことなく、
その剛性が大幅に高められ、シリンダブロックと伝動ユ
ニットの結合強度が高められる。(2) Effect According to the above configuration, the transmission unit mounting surface of the cylinder block can be mounted on the transmission unit mounting surface without causing an increase in the weight of the cylinder block.
Its rigidity is greatly increased, and the strength of the connection between the cylinder block and transmission unit is increased.
（３）実施例 次に本発明の実施例について説明する。(3) Examples Next, examples of the present invention will be described.
先ず第１（３図を参照して本発明の第１実施例について
説明すると、車両用パワープラントＰは車両前方（第１
図矢印方向〕に対して横向きに搭載され、エンジン本体
Ｅとその一側に固着される伝動ユニットＴとよりなる。First, the first embodiment of the present invention will be described with reference to FIG.
The engine is mounted horizontally with respect to the direction of the arrow in the figure, and consists of an engine body E and a transmission unit T fixed to one side of the engine body E.
エンジン本体Ｅの主体部をなすシリンダブロック１には
、伝動ユニットＴが結合される。伝動ユニットＴは、通
常のように一体化されたクラッチケース２とミッション
ケース３内にクラッチおよびミッションを収容して構成
される。A transmission unit T is coupled to a cylinder block 1 forming the main body of the engine body E. The transmission unit T is constructed by accommodating a clutch and a transmission in a clutch case 2 and a transmission case 3 that are integrated as usual.
次にシリンダブロック１の、伝動ユニット取付面４の構
造を、第２．３図を参照して詳細に説明する。Next, the structure of the transmission unit mounting surface 4 of the cylinder block 1 will be explained in detail with reference to FIG. 2.3.
シリンダブロック１の、シリンダ５の配列方向に沿う一
端面には、前記伝動ユニット取付面４が形成され、該取
付面４は略台形状に形成され、その上縁は、中間部を切
欠いた所定幅の上縁リブ６によって縁取りされ、その左
、右縁は所定幅の左。The transmission unit mounting surface 4 is formed on one end surface of the cylinder block 1 along the direction in which the cylinders 5 are arranged. It is bordered by an upper edge rib 6 of a certain width, and its left and right edges are left of a predetermined width.
右縁リブ７．８によって縁取りされる。またその下部に
は、伝動ユニット取付ｍ４より若干内没し、横リブ１０
．縦リブ１１および円弧状リブ１２によって補強された
ジャーナル壁９が形成され、このジャーナル壁９の下辺
中央部にクランク軸Ｓを支承するための半円状軸受半部
１３が形成される。It is bordered by a right edge rib 7.8. In addition, the lower part of the transverse rib 10 is slightly recessed from the transmission unit mounting m4.
．． A journal wall 9 reinforced by vertical ribs 11 and arcuate ribs 12 is formed, and a semicircular bearing half 13 for supporting the crankshaft S is formed at the center of the lower side of the journal wall 9.
前記伝動ユニット取付面４の上縁はシリンダブロック１
のデツキ面まで達しており、その上練圧。The upper edge of the transmission unit mounting surface 4 is connected to the cylinder block 1
It has reached the depth surface of the plate, and is further kneaded.
右隅部には、対をなす上縁左、右取付ポス１４゜１５が
形成され、これらの取付ボス１４．１５にねじ孔１６．
１７が穿設される。また該取付面４の下縁左、右隅部に
は、対をなす下縁圧、右取付ボス１８．１９が形成され
、これらの取付ボス１８゜１９にもそれぞれねじ孔２０
．２１が穿設される。A pair of upper left and right mounting posts 14.15 are formed on the right corner, and screw holes 16.15 are formed in these mounting bosses 14.15.
17 is drilled. Further, a pair of lower edge and right mounting bosses 18 and 19 are formed at the left and right corners of the lower edge of the mounting surface 4, and these mounting bosses 18 and 19 also have screw holes 20, respectively.
．． 21 is drilled.
さらに前記右縁リブ８の途中にも中間取付ボス２２が形
成され、この取付ボス２２にもねじ孔２３が穿設される
。前記下縁圧、右取付ボス１８．１９間は、シリンダブ
ロック１の端壁面２４より隆起するアーチ状補強リブ２
５の両端が連結されて、下縁圧、右取付ボス１８．１９
は相互に補強される。また前記アーチ状補強リブ２５の
途中と、前記上縁圧、右取付ボス１４．１５とが、シリ
ンダブロック１の端壁面２４より隆起する縦補強リブ２
６．２７によって連結されて前記上縁圧、右取付ボスｉ
４，１５が補強され、一方の縦補強リブ２６と上縁右取
付ボス１５間は彎曲リブ２９により連結される。さらに
前記中間取付ボス２２と縦補強リブ２７間は横リブ２８
によって連結され、該中間取付ボス２２が補強される。Further, an intermediate attachment boss 22 is formed in the middle of the right edge rib 8, and this attachment boss 22 is also provided with a screw hole 23. Between the lower edge pressure and the right mounting boss 18, 19 is an arch-shaped reinforcing rib 2 that protrudes from the end wall surface 24 of the cylinder block 1.
Both ends of 5 are connected, lower edge pressure, right mounting boss 18.19
are mutually reinforcing. Further, the middle of the arch-shaped reinforcing rib 25, the upper edge pressure, and the right mounting boss 14.15 are the vertical reinforcing ribs 25 that protrude from the end wall surface 24 of the cylinder block
6. Connected by 27 and said upper edge pressure, right mounting boss i
4 and 15 are reinforced, and a curved rib 29 connects one vertical reinforcing rib 26 and the upper right mounting boss 15. Furthermore, a horizontal rib 28 is provided between the intermediate mounting boss 22 and the vertical reinforcing rib 27.
The intermediate mounting boss 22 is reinforced.
なお、第２．３図において、３１．３２．３３はノック
ピン孔である。In addition, in FIG. 2.3, 31, 32, and 33 are knock pin holes.
第１図に示すようにシリンダブロック１の、伝動ユニッ
ト取付面４に伝動ユニットＴの取付端面３６を重合した
のち該伝動ユニットＴのクラッチケース２と一体の複数
の取付ボス３４に挿通したボルト３５を前記ねじ孔１６
．１７．２０．２１および２３にそれぞれ螺着すれば、
シリンダブロック１に伝動ユニット１が一体に締着され
る。As shown in FIG. 1, after the mounting end surface 36 of the transmission unit T is superimposed on the transmission unit mounting surface 4 of the cylinder block 1, bolts 35 are inserted into a plurality of mounting bosses 34 that are integral with the clutch case 2 of the transmission unit T. The screw hole 16
．． 17.20.If you screw on 21 and 23 respectively,
A transmission unit 1 is integrally fastened to a cylinder block 1.
次に第１〜３図に示す本発明の第１実施例の作用につい
て説明すると、いまパワープラントＰの運転により車両
が走行すれば、該パワープラントＰ自体の運転振動、車
両の走行振動、あるいは車両の急加減速によってシリン
ダブロック１と伝動ユニットＴとの結合部には上下方向
（第１図矢印Ａ方向）の曲げモーメント、クランク軸線
回り（第１図矢印Ｂ方向）の捩りモーメント等が作用す
るが、前記シリンダブロック１の伝動ユニット取付面４
は略台形状に形成され、その上縁が該ブロック１のデツ
キ面まで達していて伝動ユニットＴへの合わせ面積が拡
大し、また少なくとも台形状伝動ユニット取付面４の四
隅に取付ボス１４，１５．１８．１９を設けることによ
りそれら取付ボス１４とｉａ、ｉｓと１９．および１８
と１９間の各スパンが長くなり、さらに加えて前記曲げ
および捩りモーメントに対して、前記縦補強リブ２６，
２７およびアーチ状補強リブ２５がそれぞれ対抗して前
記取付ボス１４．１５および１８．１９へかかる応力を
分散するので、全体としてシリンダブロック１と伝動ユ
ニットＴとの結合部の強度が大幅に高められ前記曲げお
よび捗りモーメント等によるクランク軸軸受部等への応
力集中が防止され、しかも前記結合部の重量増を最少限
に止めることができる。Next, to explain the operation of the first embodiment of the present invention shown in FIGS. 1 to 3, if the vehicle is running due to the operation of the power plant P, the operation vibration of the power plant P itself, the running vibration of the vehicle, or Due to sudden acceleration and deceleration of the vehicle, bending moments in the vertical direction (in the direction of arrow A in Figure 1), torsional moments around the crank axis (in the direction of arrow B in Figure 1), etc. act on the joint between the cylinder block 1 and the transmission unit T. However, the transmission unit mounting surface 4 of the cylinder block 1
is formed into a substantially trapezoidal shape, and its upper edge reaches the deck surface of the block 1, increasing the area for fitting to the transmission unit T, and mounting bosses 14, 15 are provided at least at the four corners of the trapezoidal transmission unit mounting surface 4. By providing .18.19, these mounting bosses 14, ia, is, and 19. and 18
and 19 are lengthened, and in addition, for said bending and torsional moments, said longitudinal reinforcing ribs 26,
27 and the arched reinforcing ribs 25 oppose each other to disperse the stress applied to the mounting bosses 14.15 and 18.19, so that the overall strength of the joint between the cylinder block 1 and the transmission unit T is greatly increased. Stress concentration on the crankshaft bearing portion, etc. due to the bending and warping moments is prevented, and an increase in weight of the joint portion can be kept to a minimum.
次に第４，５図には本発明の第２実施例が示される。こ
の第２実施例において、前記第１実施例と同一部分は同
一符号をもって示される。この第２実施例では、アーチ
状補強リブ２５は、前記第１実施例よりも若干低い位置
にあり、前記第１実施例の縦リブｔｉ 、ｉｉが省略さ
れる。またアーチ状補強リブ２５の途中から縦補強リブ
２６，２７と他の縦リブ３７，３Ｂとが放射状に延びて
おり、他の縦リブ３７．３８の他端は左縁リブ７の途中
と中間取付ボス２２にそれぞれ結合される。そして第１
実櫂例の横リブ２８が省略される。Next, FIGS. 4 and 5 show a second embodiment of the present invention. In this second embodiment, the same parts as in the first embodiment are designated by the same reference numerals. In this second embodiment, the arch-shaped reinforcing rib 25 is located at a slightly lower position than in the first embodiment, and the vertical ribs ti and ii of the first embodiment are omitted. Also, vertical reinforcing ribs 26, 27 and other vertical ribs 37, 3B extend radially from the middle of the arch-shaped reinforcing rib 25, and the other ends of the other vertical ribs 37, 38 are in the middle of the left edge rib 7. They are respectively coupled to mounting bosses 22 . and the first
The horizontal ribs 28 of the actual paddle example are omitted.
第４，５図に示す第２実施例も前記第１実施例と同等の
作用効果を奏し、シリンダブロック１の。The second embodiment shown in FIG. 4 and FIG.
前記伝動ユニット取付面４には、伝動ユニットＴが強固
に結合される。A transmission unit T is firmly coupled to the transmission unit mounting surface 4 .
Ｃ３発明の効果
以上の実施例により明らかなように、本発明によれば、
シリンダブロックの、伝動ユニットの取付面を、略台形
状に形成し、該取付面の少なくとも四隅に、それぞれね
じ孔を穿設した上縁圧、右および下縁左、右取付ボスを
設け、下縁左、右取付ボス間を、アーチ状補強リブによ
り連結し、さらに該補強リブの途中と上縁左、右取付ボ
ス間をそれぞれ縦補強リブにより連結したので、前記伝
動ユニット取付面は、伝動ユニットの取付端面への合わ
せ面積を拡大し、かつ四隅の取付ボス間のスパンを長く
し、さらに四隅の取付ボスは縦補強リブおよびアーチ状
補強リブによって補強されることにより、伝動ユニット
との結合部の強度が大幅に高められ、前記結合部に作用
する曲げおよび捩りモーメント等に十分対抗することが
でき、しかも前記結合部の重量増を最少限に止めること
ができる。C3 Effects of the Invention As is clear from the above examples, according to the present invention,
The mounting surface of the transmission unit of the cylinder block is formed into a substantially trapezoidal shape, and at least four corners of the mounting surface are provided with upper edge pressure, right and lower edge left and right mounting bosses with screw holes, respectively. The left and right edge mounting bosses are connected by arch-shaped reinforcing ribs, and the middle of the reinforcing ribs and the upper left and right mounting bosses are connected by vertical reinforcing ribs, so the transmission unit mounting surface is By expanding the mating area of the unit to the mounting end surface, lengthening the span between the mounting bosses at the four corners, and reinforcing the mounting bosses at the four corners with vertical reinforcing ribs and arched reinforcing ribs, the coupling with the transmission unit is improved. The strength of the joint is greatly increased, and the bending and torsion moments acting on the joint can be sufficiently resisted, and the weight increase of the joint can be kept to a minimum.
第１〜３図は本発明の第１実施例を示すもので、第１図
はエンジン本体と伝動ユニットとの結合状態を示す平面
図、第２図はシリンダブロックの伝動ユニット取付面の
斜視図、第３図は第２図■線矢視図、第４，５図は本発
明の第２実施例を示すもので、第４図はシリンダブロッ
クの伝動ユニット取付面の斜視図、第５図は第４図Ｖ線
矢視図である。
１・・・シリンダブロック、４・・・伝動ユニット取付
面、１４，１５・・・上縁左、右取付ボス、１８．１９
・・・下縁左、右取付ボス、２５・・・アーチ状補強リ
ブ、２６．２７・・・縦補強リブ
特許出願人 本田技研工業株式会社
第５図
第４図Figures 1 to 3 show a first embodiment of the present invention. Figure 1 is a plan view showing the state of connection between the engine body and the transmission unit, and Figure 2 is a perspective view of the transmission unit mounting surface of the cylinder block. , FIG. 3 is a view taken along the line shown in FIG. 2, and FIGS. 4 and 5 show a second embodiment of the present invention. FIG. 4 is a view taken along the line V in FIG. 1... Cylinder block, 4... Transmission unit mounting surface, 14, 15... Upper edge left and right mounting bosses, 18.19
... Lower edge left and right mounting bosses, 25 ... Arch-shaped reinforcing rib, 26.27 ... Vertical reinforcing rib Patent applicant Honda Motor Co., Ltd. Figure 5 Figure 4
Claims (1)
状に形成し、該取付面の少なくとも四隅に、それぞれね
じ孔を穿設した上縁左、右および下縁左、右取付ボスを
設け、下縁左、右取付ボス間を、アーチ状補強リブによ
り連結し、さらに該補強リブの途中と上縁左、右取付ボ
ス間をそれぞれ縦補強リブにより連結したことを特徴と
する車両用エンジンにおけるシリンダブロツクの伝動ユ
ニツト取付面構造。The mounting surface of the transmission unit of the cylinder block is formed into a substantially trapezoidal shape, and at least four corners of the mounting surface are provided with mounting bosses on the left and right upper edges and left and right lower edges with screw holes, respectively. A cylinder for a vehicle engine, characterized in that the left and right edge mounting bosses are connected by an arch-shaped reinforcing rib, and the middle of the reinforcing rib and the upper edge left and right mounting bosses are connected by vertical reinforcing ribs, respectively. Block transmission unit mounting surface structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26886184A JPS61145345A (en) | 1984-12-20 | 1984-12-20 | Transmission unit mounting surface structure of cylinder block of engine for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26886184A JPS61145345A (en) | 1984-12-20 | 1984-12-20 | Transmission unit mounting surface structure of cylinder block of engine for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61145345A true JPS61145345A (en) | 1986-07-03 |
Family
ID=17464282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26886184A Pending JPS61145345A (en) | 1984-12-20 | 1984-12-20 | Transmission unit mounting surface structure of cylinder block of engine for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61145345A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016138650A (en) * | 2015-01-23 | 2016-08-04 | トヨタ自動車株式会社 | Power transmission device |
-
1984
- 1984-12-20 JP JP26886184A patent/JPS61145345A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016138650A (en) * | 2015-01-23 | 2016-08-04 | トヨタ自動車株式会社 | Power transmission device |
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