CN111486000A - Auxiliary equipment supporting structure of internal combustion engine for vehicle - Google Patents
Auxiliary equipment supporting structure of internal combustion engine for vehicle Download PDFInfo
- Publication number
- CN111486000A CN111486000A CN202010064058.8A CN202010064058A CN111486000A CN 111486000 A CN111486000 A CN 111486000A CN 202010064058 A CN202010064058 A CN 202010064058A CN 111486000 A CN111486000 A CN 111486000A
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- China
- Prior art keywords
- oil
- oil passage
- passage portion
- auxiliary equipment
- internal combustion
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/002—Cooling
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- 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
- F02F1/00—Cylinders; Cylinder heads
- F02F1/18—Other cylinders
- F02F1/20—Other cylinders characterised by constructional features providing for lubrication
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- 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
- F02F7/006—Camshaft or pushrod housings
Abstract
Provided is an auxiliary equipment support structure for a vehicle internal combustion engine, which can improve the rigidity of the auxiliary equipment support part and the periphery of the auxiliary equipment support part by optimizing the structure of the 1 st side surface of a cylinder block, and can restrain the vibration of the auxiliary equipment. An auxiliary equipment support structure for an engine (4) is provided with a support section (26) for supporting (ISG) on a flange section (11C) on the right side surface (11b) of a cylinder block (11). A front side surface (11a) of a cylinder block (11) is provided with a cylindrical 1 st oil passage portion (29) and a cylindrical 2 nd oil passage portion (30) which bulge outward from the front side surface (11a) and in which oil passes, and a lower end portion (30a) of the 2 nd oil passage portion (30) is connected to a right end portion (29a) of the 1 st oil passage portion (29) and a support portion (26).
Description
Technical Field
The present invention relates to an auxiliary equipment support structure for an internal combustion engine for a vehicle.
Background
Conventionally, as a structure for suppressing vibration of an auxiliary device provided in an engine main body, a support structure for an auxiliary device of an internal combustion engine disclosed in patent document 1 is known.
The support structure for auxiliary equipment of an internal combustion engine is provided with: a bracket provided to the chain cover to support a lower portion of the auxiliary device; an intake manifold fastening portion which is protrudingly provided on a rear side surface of the cylinder head and fastens the intake manifold; and a cover fastening section which is provided to extend along a side edge of the right side surface of the cylinder head and fastens a side edge of the chain cover.
Further, the support structure for auxiliary equipment of an internal combustion engine includes: an upper ACG support part which is provided to protrude from the cover fastening part in the cylinder head toward the outside with respect to the rear side surface, and supports an upper part of an ACG (alternating current generator) as an auxiliary device; and a 1 st reinforcing rib extending from the rear side surface of the cylinder head and connecting the intake manifold fastening portion and the upper ACG support portion.
Documents of the prior art
Patent document
Patent document 1: japanese patent laid-open publication No. 2013-83190
Disclosure of Invention
Problems to be solved by the invention
In such a conventional support structure for auxiliary equipment of an internal combustion engine, the ACG vibrates in the longitudinal and lateral directions of the internal combustion engine because the ACG is repeatedly driven and stopped. To suppress this vibration, the 1 st reinforcing rib that connects the intake manifold fastening portion and the upper ACG support portion is provided.
However, patent document 1 discloses No. 1 reinforcing rib provided on the cylinder head side, and does not disclose a support portion for supporting the ACG on the cylinder block side, or a structure for improving the rigidity of the periphery of the support portion.
The present invention has been made in view of the above circumstances, and an object thereof is to provide an auxiliary support structure for a vehicle internal combustion engine, which can improve the rigidity of the auxiliary support portion and the periphery of the auxiliary support portion by optimizing the structure of the 1 st side surface of the cylinder block, and can suppress the vibration of the auxiliary.
Means for solving the problems
The present invention is an auxiliary equipment support structure for a vehicle internal combustion engine, the vehicle internal combustion engine including a cylinder block, the cylinder block including: a plurality of cylinders arranged in a row; a 1 st side surface extending along an arrangement direction of the plurality of cylinders; a 2 nd side surface provided at an end portion in an arrangement direction of the plurality of cylinders on the 1 st side surface; and a cover member fastened to an outer peripheral edge of the 2 nd side surface and covering the 2 nd side surface, wherein an auxiliary support portion for supporting an auxiliary is provided at an outer peripheral edge of the 2 nd side surface, and wherein a cylindrical oil passage portion bulging outward from the 1 st side surface and having oil passing therethrough is provided at the 1 st side surface, and wherein the oil passage portion is coupled to the auxiliary support portion.
Effects of the invention
As described above, according to the present invention, the structure of the 1 st side surface of the cylinder block can be optimized, the rigidity of the auxiliary equipment support portion and the periphery of the auxiliary equipment support portion can be increased, and the vibration of the auxiliary equipment can be suppressed.
Drawings
Fig. 1 is a front view of a power unit of a vehicle internal combustion engine provided with an embodiment of the present invention.
Fig. 2 is a front view of a vehicular internal combustion engine according to an embodiment of the present invention, and is a view showing a state in which a supercharger, a catalytic converter, and an oil cooler body are removed.
Fig. 3 is a front view of a vehicle internal combustion engine according to an embodiment of the present invention, and is a view showing a state in which an ISG, a supercharger, a catalytic converter, and an oil cooler body are removed.
Fig. 4 is a right side view of an internal combustion engine for a vehicle of one embodiment of the present invention.
Fig. 5 is a sectional view taken along the direction V-V of fig. 3.
Fig. 6 is a sectional view taken along direction VI-VI of fig. 3.
Fig. 7 is a view showing the flow directions of oil and cooling water in the internal combustion engine for a vehicle according to the embodiment of the present invention.
Description of the reference numerals
A vehicle, 4.. an engine (internal combustion engine for a vehicle), 7.. a chain cover (cover member), 11.. a cylinder block, 11a.. a cylinder, 11c.. a flange portion (outer peripheral edge of the 2 nd side surface), 11a.. a front side surface (the 1 st side surface), 11b.. a right side surface (the 2 nd side surface), 26.. a support portion (auxiliary device support portion), 29.. a 1 st oil passage portion (oil passage portion), 29a.. a right end portion (end portion in the extending direction of the 1 st oil passage portion), 30.. a 2 nd oil passage portion (oil passage portion), 30a.. a lower end portion (end portion in the extending direction of the 2 nd oil passage portion), 31a.. a cooler body assembling bulging portion, 31a. cooler inlet chamber bulging portion (cooler water chamber bulging portion), 31a. cooler inlet chamber (cooler water chamber), 31c.. cooler oil inlet chamber bulging portion, 31a.. a cooler oil inlet chamber bulging portion, 31a cylinder body inlet chamber bulging portion, 34a cylinder body inlet chamber, 31a.. a.
Detailed Description
One embodiment of the present invention is an auxiliary equipment support structure for a vehicle internal combustion engine, the vehicle internal combustion engine including a cylinder block having: a plurality of cylinders arranged in a row; a 1 st side surface extending along an arrangement direction of the plurality of cylinders; a 2 nd side surface provided at an end portion in an arrangement direction of the plurality of cylinders on the 1 st side surface; and a cover member fastened to an outer peripheral edge of the 2 nd side surface and covering the 2 nd side surface, in an auxiliary support structure of an internal combustion engine for a vehicle, an auxiliary support portion supporting an auxiliary is provided at an outer peripheral edge of the 2 nd side surface, a cylindrical oil passage portion bulging outward from the 1 st side surface and having oil passing therethrough is provided at the 1 st side surface, and the oil passage portion is coupled to the auxiliary support portion.
Accordingly, the auxiliary equipment support structure for a vehicle internal combustion engine according to the embodiment of the present invention can improve the rigidity of the auxiliary equipment support portion and the periphery of the auxiliary equipment support portion by optimizing the structure of the 1 st side surface of the cylinder block, and can suppress the vibration of the auxiliary equipment.
[ examples ]
Hereinafter, an auxiliary equipment support structure for a vehicle internal combustion engine according to an embodiment of the present invention will be described with reference to the drawings.
Fig. 1 to 7 are diagrams showing a vehicular internal combustion engine according to an embodiment of the present invention. In fig. 1 to 7, the vertical, front, rear, left and right directions are defined as the vertical, front, rear, left and right directions of the vehicle internal combustion engine in a state of being installed in the vehicle, the direction orthogonal to the vehicle front and rear direction is defined as the left and right direction, and the height direction of the vehicle internal combustion engine is defined as the vertical direction.
First, the configuration is explained.
In fig. 1, the vehicle 1 includes a left side member 2L and a right side member 2R, and the left side member 2L and the right side member 2R are spaced apart in the width direction of the vehicle 1 and extend in the front-rear direction of the vehicle 1.
The vehicle 1 is provided with a power unit 3. The power unit 3 includes: an engine 4 as a vehicle internal combustion engine that converts thermal energy into mechanical energy; and a transmission 5 that changes the rotational speed of the engine 4 and outputs the changed rotational speed.
The engine 4 includes a cylinder block 11, a cylinder head 12, a head cover 13, and an oil pan 14 for storing lubricating oil.
The cylinder block 11 is provided with a plurality of cylinders 11A (see fig. 6). The engine 4 of the present embodiment is constituted by a 4-cylinder engine having 4 cylinders 11A, but is not limited to the 4-cylinder engine.
A piston, not shown, is housed in the cylinder 11A, and the piston reciprocates in the vertical direction with respect to the cylinder 11A. The piston is coupled to the crankshaft 11S (see fig. 5) by a connecting rod (not shown), and the reciprocating motion of the piston is converted into rotational motion of the crankshaft 11S by the connecting rod.
A flange portion 11B is provided at a left end portion of the cylinder block 11 in the direction in which the cylinders 11A are arranged (hereinafter referred to as a cylinder row direction L1), and the flange portion 11B extends outward in the radiation direction of the crankshaft 11S from the left end portion of the cylinder block 11.
The transmission 5 includes a transmission case 5A, and a flange portion 5F is provided at a right end portion of the transmission case 5A. The flange portion 5F is formed in the same shape as the flange portion 11B to match the flange portion 11B. The engine 4 is fastened to the flange portion 11B by unillustrated bolts through the flange portion 5F, thereby being coupled to the transmission 5.
A flange portion 11C is provided at a right end portion in the cylinder row direction L1 of the cylinder block 11, and the chain cover 7 is fastened to the flange portion 11C by bolts 8A (see fig. 4). the right end portion in the cylinder row direction L1 of the cylinder block 11 constitutes one end portion in the cylinder row direction of the cylinder block of the present invention, and the left end portion in the cylinder row direction L1 of the cylinder block 11 constitutes the other end portion in the cylinder row direction of the cylinder block of the present invention.
The engine 4 is elastically supported by the right side member 2R via a right mounting device 6R, and the transmission 5 is elastically supported by the left side member 2L via a left mounting device 6L.
The cylinder head 12 is provided with a plurality of intake ports, a plurality of intake valves for opening and closing the intake ports, a plurality of exhaust valves for opening and closing the exhaust ports, and the like, all of which are not shown.
An intake manifold, not shown, is provided on the rear surface of the cylinder head 12, and introduces intake air into the cylinder 11A through an intake port.
An exhaust manifold, not shown, is formed inside the cylinder head 12, and has a plurality of exhaust ports, not shown, that communicate with the cylinders 11A, and collects exhaust gas discharged from the cylinders 11A.
In fig. 3, the exhaust manifold has an exhaust gas outlet 15, and the exhaust gas outlet 15 opens to the front side surface 12a of the cylinder head 12 at the center portion in the bank direction L1.
The exhaust gas discharged from the cylinder 11A is collected in the exhaust manifold and then discharged to the outside of the cylinder head 12 through the exhaust gas outlet 15.
Around the exhaust gas outlet 15, a mounting surface 12A is provided on the front side surface 12A of the cylinder head 12, and a supercharger 21 (see fig. 1) is mounted on the mounting surface 12A.
In fig. 1, the supercharger 21 is provided on the front side surface 12a side of the cylinder head 12, and includes a turbine housing 22 and a compressor housing 23.
The front side surface 11a of the cylinder block 11 extends in the bank direction L1 in fig. 6, a right side surface 11b is provided at a right end portion in the extending direction of the front side surface 11a, and the chain cover 7 is fastened to a flange portion 11C of the right side surface 11b and covers the right side surface 11b.
The front side surface 11a of the cylinder block 11 of the present embodiment constitutes the 1 st side surface of the present invention, and the right side surface 11b constitutes the 2 nd side surface of the present invention. The flange portion 11C constitutes an outer peripheral edge of the 2 nd side surface of the present invention, and the chain cover 7 constitutes a cover member of the present invention.
In fig. 1, the turbine casing 22 is attached to the attachment surface 12A by a plurality of bolts 8B, and the exhaust gas discharged from the exhaust gas outlet 15 is introduced into the turbine casing 22.
The turbine housing 22 is provided with a turbine wheel, not shown, which is rotatably driven by exhaust gas introduced from the exhaust gas outlet 15 into the turbine housing 22.
The compressor casing 23 is coupled to a turbine inlet pipe, not shown, and the compressor casing 23 is connected to an intercooler, not shown, through a turbine outlet pipe, not shown.
The compressor housing 23 is provided with a compressor impeller, not shown, which is rotatable, and the compressor impeller and the turbine impeller rotate integrally.
In the supercharger 21, when the turbine wheel is rotated by the exhaust gas flow, the compressor wheel is rotated at high speed integrally with the turbine wheel. When the compressor wheel rotates, the air introduced from the turbine inlet pipe into the compressor housing 23 is supercharged to the intercooler through the turbine outlet pipe.
The intercooler cools the compressed air supercharged by the supercharger 21 to increase the density of the air, and introduces the compressed air into the intake manifold through an intercooler outlet pipe, not shown.
The turbine housing 22 is connected to an exhaust gas purification device 24. The exhaust gas purification device 24 houses, for example, a three-way catalyst and a particulate filter, which are not shown. The three-way catalyst simultaneously purifies HC, CO, and NOx contained in the exhaust gas by an oxidation-reduction reaction.
The particulate filter is provided downstream of the three-way catalyst, and traps PM (particulate matter) as particulate matter in exhaust gas, such as graphite, combustion ash (SOF: combustible organic component) of fuel, and combustion ash (putty) of engine oil.
The downstream end of the exhaust gas purification device 24 is connected to an unillustrated exhaust pipe, and the exhaust gas purified by the exhaust gas purification device 24 is discharged to the outside through the exhaust pipe.
As shown in fig. 3, a pair of boss-shaped fastening portions 25A, 25B are provided on the front side surface 12a of the cylinder head 12 between the chain cover 7 and the exhaust gas outlet 15, and the fastening portions 25A, 25B are connected by a rib 25C.
In fig. 2, the bracket 27 is fastened to the fastening portions 25A, 25B by bolts 8C (only the bolts on the fastening portion 25A side are shown in the drawing).
In fig. 3, a cylindrical support portion 26 is provided at a flange portion 11B of a cylinder block 11, and a notch 7A is formed at an outer peripheral edge of a chain cover 7 facing the support portion 26 in a cylinder row direction L1.
As shown in fig. 1, an ISG (Integrated Starter Generator) 28 is provided in the engine 4. The ISG28 is a rotating electrical machine that integrates a starter that starts the engine 4 and a generator that generates electric power. The ISG28 has a function of a generator that generates electric power by using power from outside and a function of a motor that generates power by being supplied with electric power.
As shown in fig. 4, an upper bracket 28A is provided above the ISG28, and the upper bracket 28A is fixed to the bracket 27 by a bolt 8D.
A lower bracket 28B is provided below the ISG 28. The bolt 8E is fastened to the support portion 26 through the slit 7A, so that the lower bracket 28B is fixed to the support portion 26.
Thus, the ISG28 is fitted to the cylinder block 11 and the cylinder head 12. The support portion 26 of the present embodiment constitutes an auxiliary support portion of the present invention.
In fig. 3, a front side surface 11a of the cylinder block 11 is provided with a 1 st oil passage portion 29 and a 2 nd oil passage portion 30, which are cylindrical, respectively, and the 1 st oil passage portion 29 and the 2 nd oil passage portion 30 bulge outward (forward) from the 1 st side surface.
An oil passage 29A (see fig. 6) is provided in the 1 st oil passage portion 29, and an oil passage (not shown) communicating with the oil passage 29A is provided in the 2 nd oil passage portion 30.
The 1 st oil passage portion 29 extends in the bank direction L1, and the right end portion 29a in the extending direction is coupled to the 1 st oil passage portion 29 and the support portion 26.
The 2 nd oil passage portion 30 extends in the vertical direction along the flange portion 11C, and the right outer peripheral portion is connected to the flange portion 11C. The lower end 30a of the 2 nd oil passage portion 30 is coupled to the support portion 26. The height direction of the engine 4 (the axial direction of the cylinder 11A) is the same direction as the vertical direction.
The 1 st oil passage portion 29 of the present embodiment constitutes a main oil passage portion of the present invention, and the 1 st oil passage portion 29 and the 2 nd oil passage portion 30 constitute an oil passage portion of the present invention. The right end portion 29a of the 1 st oil passage portion 29 constitutes an end portion in the extending direction of the 1 st oil passage portion of the present invention, and the lower end portion 30a of the 2 nd oil passage portion 30 constitutes an end portion in the extending direction of the 2 nd oil passage portion of the present invention.
An annular oil cooler body fitting bulging portion 31 is provided on the front side surface 11a of the cylinder block 11, and the oil cooler body fitting bulging portion 31 bulges outward (forward) from the front side surface 11a.
The oil cooler body 32 (see fig. 2 and 6) is fitted to the oil cooler body fitting bulging portion 31 by a bolt 8F (see fig. 1). The oil cooler body-fitting bulging portion 31 and the oil cooler body 32 constitute an oil cooler for cooling oil.
In fig. 3, the oil cooler body fitting bulging portion 31 is provided at a position overlapping the support portion 26 in the up-down direction and being aligned with the support portion 26 in the cylinder row direction L1 a the oil cooler body fitting bulging portion 31 is provided offset to the support portion 26 side with respect to the center portion L o in the cylinder row direction L1 of the front side surface 11a.
The oil cooler body mounting bulging portion 31 includes a cooling water inlet chamber bulging portion 31A, the cooling water inlet chamber bulging portion 31A forms a cooling water inlet chamber 31A through which cooling water passes, the cooling water inlet chamber bulging portion 31A surrounds the cooling water inlet chamber 31A, and the cooling water inlet chamber 31A extends in the vertical direction. The cooling water is introduced into the cooling water inlet chamber 31a from a water jacket, not shown, provided in the cylinder block 11. The coolant inlet chamber 31A of the present embodiment constitutes the coolant chamber of the present invention, and the coolant inlet chamber bulging portion 31A constitutes the coolant chamber bulging portion of the present invention.
The oil cooler body mounting bulging portion 31 includes a cooling water outlet chamber bulging portion 31B forming a cooling water outlet chamber 31B. The cooling water outlet chamber bulging portion 31B surrounds the cooling water outlet chamber 31B.
The cooling water outlet chamber 31b communicates with the cooling water inlet chamber 31a through a cooling water passage, not shown, provided in the oil cooler body 32, and cooling water is introduced from the cooling water inlet chamber 31a to the cooling water outlet chamber 31b through the cooling water passage of the oil cooler body 32.
The cooling water outlet chamber 31b communicates with an unillustrated water jacket provided in the cylinder head 12 through an unillustrated oil passage provided in the cylinder block 11.
The oil cooler body mounting bulging portion 31 includes an oil inlet chamber bulging portion 31C forming an oil inlet chamber 31C. The oil inlet chamber bulging portion 31C bulges below the cooling water outlet chamber bulging portion 31B from the cooling water inlet chamber bulging portion 31A toward the support portion 26 side. The oil inlet chamber 31C is surrounded by the oil inlet chamber bulging portion 31C.
The oil inlet chamber bulging portion 31C is formed in an annular shape, and the dimension of the oil inlet chamber 31C in the cylinder row direction L1 is larger than the dimension of the oil inlet chamber 31C in the vertical direction (the dimension in the height direction of the engine 4). the oil inlet chamber 31C of the present embodiment constitutes the oil chamber of the present invention, and the oil inlet chamber bulging portion 31C constitutes the oil chamber bulging portion of the present invention.
The oil cooler body mounting bulging portion 31 includes an oil outlet chamber bulging portion 31D forming an oil outlet chamber 31D, the oil outlet chamber bulging portion 31D is provided on the opposite side of the oil inlet chamber bulging portion 31C in the cylinder row direction L1 with respect to the cooling water inlet chamber bulging portion 31A, and the oil outlet chamber 31D is surrounded by the oil outlet chamber bulging portion 31D.
An oil passage 32A (see fig. 2) is formed in the oil cooler body 32, and the oil passage 32A communicates the oil inlet chamber 31c and the oil outlet chamber 31 d.
Accordingly, the oil introduced into the oil inlet chamber 31c is introduced into the oil outlet chamber 31d through the oil passage 32A of the oil cooler body 32. The oil flowing through the oil passage 32A is cooled by the cooling water flowing through the cooling water passage of the oil cooler body 32.
An oil outlet 31m (see fig. 6) is formed in the oil outlet chamber 31d, and the oil outlet 31m communicates with the oil passage 29A of the 1 st oil passage portion 29. The oil outlet 31m is provided at a position overlapping the oil inlet chamber bulging portion 31C in the vertical direction.
An oil filter 41 that filters oil is provided below the cylinder block 11, and the oil filter 41 is attached to the oil pan 14.
A cylindrical filter inlet oil passage portion 33 and a cylindrical filter outlet oil passage portion 34 are provided on the front side surface 11a of the cylinder block 11 below the oil cooler main body mounting bulging portion 31.
The filter inlet oil passage portion 33 and the filter outlet oil passage portion 34 bulge outward (forward) from the front side surface 11a. The filter outlet oil passage portion 34 is connected to the filter inlet oil passage portion 33.
An oil pump 35 (shown by a phantom line in fig. 3) is provided at an end of the crankshaft 11S on the chain cover 7 side, and the oil pump 35 is driven by the crankshaft 11S.
The filter inlet oil passage portion 33 extends horizontally from the flange portion 11C toward the flange portion 11B, and then is bent downward to extend to the oil filter 41. An oil passage, not shown, is formed inside the filter inlet oil passage portion 33.
The oil discharged from the oil pump 35 is introduced into the oil filter 41 through the oil passage of the filter inlet oil passage portion 33, and is filtered by the oil filter 41.
The filter outlet oil passage portion 34 extends upward from the oil filter 41 toward the 1 st oil passage portion 29, and the upper end portion in the extending direction is connected to the oil inlet chamber bulging portion 31C.
An oil passage 34A (see fig. 5) is formed in the filter outlet oil passage portion 34, and the oil filtered by the oil filter 41 is introduced into the oil inlet chamber 31c through the oil passage 34A of the filter outlet oil passage portion 34.
In fig. 7, the flow of oil is indicated by arrows of broken lines. In fig. 7, oil discharged from the oil pump 35 is introduced into the oil filter 41 through the filter inlet oil passage portion 33, and is filtered by the oil filter 41.
The oil filtered by the oil filter 41 is introduced into the oil inlet chamber 31c through the oil passage 34A of the filter outlet oil passage portion 34, and then introduced into the oil outlet chamber 31d through the oil passage 32A of the oil cooler main body 32.
On the other hand, the cooling water flowing through the water jacket of the cylinder block 11 is introduced into the cooling water inlet chamber 31a and then flows downward along the cooling water inlet chamber 31a. The cooling water flowing to the lower side of the cooling water inlet chamber 31a is introduced into the cooling water outlet chamber 31b through the cooling water passage of the oil cooler body 32, and then discharged to the water jacket of the cylinder head 12 through the cooling water passage of the cylinder block 11.
The oil flowing through the oil passage 32A is cooled by the cooling water flowing through the cooling water passage of the oil cooler main body 32. Thus, the oil cooled by the cooling water is introduced into the oil outlet chamber 31 d. The cooled oil is introduced from the oil outlet 31m into the oil passage 29A of the 1 st oil passage portion 29.
The 1 st oil passage portion 29 constitutes a main oil gallery, and the oil introduced into the 1 st oil passage portion 29 is supplied to a lubrication site accommodated in the cylinder block 11 to lubricate the lubrication site.
The oil introduced into the 1 st oil passage portion 29 is supplied to the lubrication portion housed in the cylinder head 12 through the 2 nd oil passage portion 30, and lubricates the lubrication portion of the cylinder head 12.
In fig. 3, the 1 st oil passage portion 29 extends from the flange portion 11B side to the flange portion 11C side through the oil cooler main body mounting bulging portion 31, and connects the oil inlet chamber bulging portion 31C and the support portion 26.
The oil cooler body mounting bulging portion 31 overlaps with the ISG28 in a direction orthogonal to the bank direction L1 and orthogonal to the axial direction L2 of the cylinder 11A (see fig. 6) — a direction orthogonal to the bank direction L1 and orthogonal to the axial direction L2 of the cylinder 11A is the front-rear direction.
The oil inlet chamber bulging portion 31C is provided at a position between the 1 st oil passage portion 29 and the filter inlet oil passage portion 33 in the vertical direction.
The 1 st reinforcement rib 36 is provided on the front side surface 11a of the cylinder block 11, the 1 st reinforcement rib 36 is connected to the 1 st oil passage portion 29, and extends in the bank direction L along the 1 st oil passage portion 29.
The 1 st bead 36 connects the oil inlet chamber bulging portion 31C and the support portion 26, the 1 st bead 36, and the oil inlet chamber bulging portion 31C are arranged side by side in the cylinder row direction L1 and overlap in the vertical direction, the 1 st bead 36 of the present embodiment constitutes the bead of the present invention.
The 2 nd and 3 rd reinforcing ribs 37, 38 are provided on the front side surface 11a of the cylinder block 11.
The 2 nd reinforcing rib 37 extends obliquely downward from the support portion 26 through the lower portion of the oil cooler main body mounting bulging portion 31 toward the other end portion (flange portion 11B) of the front side surface 11a in the bank direction L1.
The 3 rd reinforcing rib 38 is located below the support portion 26, passes through the lower side of the oil cooler main body mounting bulging portion 31 from one end portion (flange portion 11C) of the front side surface 11a in the bank direction L1, and extends obliquely upward toward the other end portion of the front side surface 11a in the bank direction L1.
When an imaginary line L3 connecting the upper end 37a in the extending direction of the 2 nd bead 37 and the upper end 38a in the extending direction of the 3 rd bead 38 is set, the lower portion of the oil cooler main body-mounting bulging portion 31 is disposed in the region surrounded by the 2 nd bead 37, the 3 rd bead 38, and the imaginary line L3.
The lower end portion of the oil cooler main body-fitting bulging portion 31 is joined to the 2 nd reinforcement rib 37 and the 3 rd reinforcement rib 38.
Next, the operation will be described.
The engine 4 has a cylinder head 12, and fastening portions 25A, 25B are provided on a front side surface 12a of the cylinder head 12, and the fastening portions 25A, 25B are coupled by a rib 25C.
The bracket 27 is fastened to the fastening portions 25A, 25B by bolts 8C, and the upper side bracket 28A of the ISG28 is fitted to the bracket 27 by bolts 8D.
The engine 4 includes a cylinder block 11, and the cylinder block 11 includes a plurality of cylinders 11A, a front surface 11A extending in a bank direction L1, a right surface 11b provided at an end of the front surface 11A in the bank direction L1, and a chain cover 7 fastened to a flange portion 11C of the right surface 11b and covering the right surface 11b.
The flange portion 11C of the right side face 11B is provided with a support portion 26 that supports the ISG28, and the lower bracket 28B of the ISG28 is fitted to the support portion 26 by a bolt 8E.
Thus, the ISG28 is supported by the cylinder block 11 and the cylinder head 12, however, the ISG28 vibrates in the longitudinal and lateral directions of the engine 4, i.e., in the up-down direction (arrow X direction) and the bank direction L1 (arrow Y direction), in the side view of the vehicle 1 shown in fig. 2, due to repeated driving, stopping, and the like.
In contrast, in the auxiliary equipment structure of the engine 4 of the present embodiment, the bracket 27 is fixed to the fastening portions 25A, 25B coupled to the rib 25C, and the rigidity of the bracket 27 can be improved.
Thus, the ISG28 can be suppressed from vibrating in the longitudinal and lateral directions on the cylinder head 12 side.
Next, the operation will be described.
The engine 4 has a cylinder head 12, and fastening portions 25A, 25B are provided on a front side surface 12a of the cylinder head 12, and the fastening portions 25A, 25B are coupled by a rib 25C.
The bracket 27 is fastened to the fastening portions 25A, 25B by bolts 8C, and the bracket 28A of the ISG28 is fitted to the bracket 27 by bolts 8D.
The engine 4 includes a cylinder block 11, and the cylinder block 11 includes a plurality of cylinders 11A, a front surface 11A extending in a bank direction L1, a right surface 11b provided at an end of the front surface 11A in the bank direction L1, and a chain cover 7 fastened to a flange portion 11C of the right surface 11b and covering the right surface 11b.
The flange portion 11C of the right side face 11B is provided with a support portion 26 that supports the ISG28, and the bracket 28B of the ACG28 is fastened to the support portion 26 by bolts 8E.
Thus, the ISG28 is supported by the cylinder block 11 and the cylinder head 12, however, the ISG28 vibrates in the longitudinal and lateral directions of the engine 4, i.e., in the up-down direction and the bank direction L2, due to repeated driving, stopping, and the like.
In contrast, according to the auxiliary equipment structure of the engine 4 of the present embodiment, the bracket 27 is fixed to the fastening portions 25A, 25B coupled to the rib 25C, and the rigidity of the bracket 27 can be improved. Thus, the ISG28 can be suppressed from vibrating in the longitudinal and lateral directions on the cylinder head 12 side
In addition, according to the auxiliary equipment support structure of the engine 4 of the present embodiment, the front side surface 11a of the cylinder block 11 is provided with the tubular 1 st oil passage portion 29 and 2 nd oil passage portion 30 which bulge outward from the front side surface 11a and through which oil passes, and the right end portion 29a of the 1 st oil passage portion 29 and the lower end portion 30a of the 2 nd oil passage portion 30 are coupled to the support portion 26.
Therefore, the rigidity of the support 26 and the front surface 11a around the support 26 can be increased by the 1 st oil passage portion 29 and the 2 nd oil passage portion 30, and the vibration of the ISG28 in the longitudinal and lateral directions can be suppressed on the cylinder block 11 side.
In this way, the auxiliary equipment support structure of the engine 4 of the present embodiment can optimize the structure of the front side surface 11a of the cylinder block 11 to increase the rigidity of the support portion 26 and the periphery of the support portion 26, and can suppress the ISG28 from vibrating in the longitudinal and lateral directions.
In addition, in the auxiliary equipment support structure of the engine 4 of the present embodiment, the rigidity of the support portion 26 and the front side surface 11a around the support portion 26 can be increased by the 1 st oil passage portion 29 and the 2 nd oil passage portion 30 existing in the cylinder block 11, and therefore, it is not necessary to add a new structure for suppressing the vibration of the ISG28 in the longitudinal direction and the lateral direction.
In addition, according to the auxiliary equipment support structure of the engine 4 of the present embodiment, the 1 st oil passage portion 29 extends in the bank direction L1 at the front side surface 11a of the cylinder block 11, and the right end portion 29a in the extending direction is linked to the support portion 26, whereby the ISG28 can be more effectively suppressed from vibrating in the longitudinal and lateral directions.
In addition, according to the auxiliary equipment support structure of the engine 4 of the present embodiment, the 2 nd oil passage portion 30 extends in the up-down direction along the flange portion 11C of the right side surface 11b, and is joined to the flange portion 11C.
Also, the 2 nd oil passage portion 30 has a lower end portion 30a connected to the 1 st oil passage portion 29, and the lower end portion 30a is coupled to the support portion 26.
Accordingly, the rigidity of the support portion 26 and the front side surface 11a around the support portion 26 can be further improved by the 1 st oil passage portion 29 and the 2 nd oil passage portion 30.
Further, by coupling the 2 nd oil passage portion 30 to the flange portion 11C having high rigidity fastened to the chain cover 7, the rigidity of the 2 nd oil passage portion 30 can be further increased, and the rigidity of the support portion 26 and the front side surface 11a around the support portion 26 can be further increased. As a result, the ISG28 can be more effectively suppressed from vibrating in the longitudinal and transverse directions.
Further, since the 2 nd oil passage portion 30 extends in the vertical direction, the longitudinal load applied from the ISG28 can be received by the 2 nd oil passage portion 30 having high rigidity, and the ISG28 can be more effectively suppressed from vibrating in the longitudinal direction.
In addition, according to the auxiliary equipment support structure of the engine 4 of the present embodiment, the front side surface 11a of the cylinder block 11 has the oil cooler body fitting bulging portion 31, and the oil cooler body fitting bulging portion 31 bulges outward from the front side surface 11a, and the oil cooler body 32 that cools the oil is attached.
The oil cooler body fitting bulging portion 31 is provided at a position overlapping the support portion 26 in the vertical direction, and is provided on the support portion 26 side with respect to the center portion L o of the front side surface 11a in the bank direction L1, and the 1 st oil passage portion 29 connects the oil cooler body fitting bulging portion 31 and the support portion 26.
Accordingly, the rigidity of the support portion 26 and the front side surface 11a around the support portion 26 can be further improved by the oil cooler main body mounting bulging portion 31 and the 1 st oil passage portion 29. Therefore, the ISG28 can be more effectively suppressed from vibrating in the longitudinal and transverse directions.
In addition, according to the auxiliary equipment support structure of the engine 4 of the present embodiment, the oil cooler main body fitting bulging portion 31 has: a cooling water inlet chamber bulging portion 31A forming a cooling water inlet chamber 31A through which cooling water passes; and an oil inlet chamber bulging portion 31C bulging from the cooling water inlet chamber bulging portion 31A toward the support portion 26 side and forming an oil inlet chamber 31C through which oil passes.
The 1 st oil passage portion 29 connects the oil chamber bulging portion 31C and the support portion 26.
Accordingly, the oil inlet chamber bulging portion 31C can be disposed further closer to the support portion 26 in the cylinder row direction L1, and the oil chamber bulging portion 31C and the support portion 26 can be coupled by the 1 st oil passage portion 29, whereby the rigidity of the support portion 26 and the front side surface 11a around the support portion 26 can be further improved by the oil cooler body mounting bulging portion 31 and the 1 st oil passage portion 29, and therefore, the vibration of the ISG28 in the longitudinal direction and the lateral direction can be more effectively suppressed.
In addition, according to the auxiliary equipment support structure of the engine 4 of the present embodiment, the oil cooler body-fitting bulging portion 31 overlaps with the ISG28 in the direction orthogonal to the bank direction L1 and orthogonal to the axial direction L3 of the cylinder 11A.
Accordingly, a space between the oil cooler body fitting bulging portion 31 and the ISG28 can be secured, and the oil cooler body fitting bulging portion 31 can be provided in the space, and therefore, the oil inlet chamber bulging portion 31C can be provided closer to the support portion 26 in the cylinder row direction L1, and the area of the flat surface of the front side surface 11a in the periphery of the support portion 26 can be reduced.
Further, since a space between the oil cooler body fitting bulging portion 31 and the ISG28 can be ensured, the bulging amount of the oil cooler body fitting bulging portion 31 with respect to the front side surface 11a can be increased, and the rigidity of the oil cooler body fitting bulging portion 31 can be further improved.
As a result, the rigidity of the support portion 26 and the front side surface 11a around the support portion 26 can be further improved by the oil cooler main body mounting bulging portion 31 and the 1 st oil passage portion 29, and the vibration of the ISG28 in the longitudinal direction and the lateral direction can be more effectively suppressed.
In addition, according to the auxiliary equipment support structure of the engine 4 of the present embodiment, an oil filter 41 that filters oil is provided below the cylinder block 11.
A cylindrical filter inlet oil passage portion 33 is provided on the front side surface 11a of the cylinder block 11, and the filter inlet oil passage portion 33 bulges outward from the front side surface 11a, extends from the flange portion 11C of the right side surface 11b toward the oil filter 41, and introduces oil into the oil filter 41.
The oil cooler body fitting bulging portion 31 is provided at a position between the 1 st oil passage portion 29 and the filter inlet oil passage portion 33.
Therefore, the area of the flat surface of the front side surface 11a around the support portion 26 can be reduced, and the rigidity of the support portion 26 and the front side surface 11a around the support portion 26 can be further improved by the oil cooler main body mounting bulging portion 31 and the 1 st oil passage portion 29. As a result, the ISG28 can be more effectively suppressed from vibrating in the longitudinal and transverse directions.
In addition, according to the auxiliary equipment support structure of the engine 4 of the present embodiment, the filter outlet oil passage portion 34 bulging outward from the front side surface 11a is provided on the front side surface 11a of the cylinder block 11.
The filter outlet oil passage portion 34 extends upward from the oil filter 41 toward the 1 st oil passage portion 29 to introduce oil from the oil filter 41 into the 1 st oil passage portion 29, and the filter outlet oil passage portion 34 is connected to the filter inlet oil passage portion 33.
Therefore, the rigidity of the filter outlet oil passage portion 34 and the filter inlet oil passage portion 33 can be increased, and the area of the flat surface of the front side surface 11a around the support portion 26 can be reduced.
As a result, the rigidity of the support portion 26 and the front side surface 11a around the support portion 26 can be further improved by the oil cooler main body mounting bulging portion 31 and the 1 st oil passage portion 29, and the vibration of the ISG28 in the longitudinal direction and the lateral direction can be more effectively suppressed.
In addition, according to the auxiliary equipment support structure of the engine 4 of the present embodiment, the 1 st reinforcement rib 36 that connects the support portion 26 and the oil chamber bulging portion 31C is provided on the front side surface 11a of the cylinder block 11, and the 1 st reinforcement rib 36 is connected to the 1 st oil passage portion 29.
Therefore, the 1 st oil passage portion 29 can be reinforced by the 1 st reinforcing rib 36, and the rigidity of the support portion 26 and the front side surface 11a around the support portion 26 can be more effectively improved. As a result, the ISG28 can be more effectively suppressed from vibrating in the longitudinal and transverse directions.
Although embodiments of the present invention have been disclosed, it is apparent that modifications can be made by those skilled in the art without departing from the scope of the invention. All such modifications and equivalents are intended to be included within the scope of the appended claims.
Claims (9)
1. An auxiliary equipment support structure of an internal combustion engine for a vehicle,
the internal combustion engine for a vehicle includes a cylinder block having: a plurality of cylinders arranged in a row; a 1 st side surface extending along an arrangement direction of the plurality of cylinders; a 2 nd side surface provided at an end portion in an arrangement direction of the plurality of cylinders on the 1 st side surface; and a cover member fastened to an outer peripheral edge of the 2 nd side surface and covering the 2 nd side surface,
an auxiliary equipment supporting part for supporting auxiliary equipment is arranged on the outer periphery of the 2 nd side surface,
the auxiliary equipment support structure for an internal combustion engine for a vehicle described above is characterized in that,
the 1 st side surface is provided with a cylindrical oil passage portion which bulges outward from the 1 st side surface and in which oil passes,
the oil passage portion is coupled to the auxiliary device support portion.
2. The auxiliary equipment support structure of an internal combustion engine for a vehicle according to claim 1,
the oil passage portion includes a 1 st oil passage portion, the 1 st oil passage portion extending along an arrangement direction of the plurality of cylinders on the 1 st side surface, and an end portion in the extending direction being connected to the auxiliary support portion.
3. The auxiliary equipment support structure of an internal combustion engine for a vehicle according to claim 2,
the oil passage portion has a 2 nd oil passage portion extending in a height direction of the vehicle internal combustion engine along an outer peripheral edge of the 2 nd side surface and connected to an outer peripheral edge of the 2 nd side surface,
an end portion of the 2 nd oil passage portion in an extending direction is connected to the 1 st oil passage portion and the auxiliary device support portion.
4. The auxiliary equipment support structure of an internal combustion engine for a vehicle according to claim 2 or claim 3,
an oil cooler body fitting bulge portion provided on the 1 st side surface, the oil cooler body fitting bulge portion bulging outward from the 1 st side surface and mounting an oil cooler body for cooling oil,
the oil cooler main body mounting bulging portion is provided at a position overlapping the auxiliary equipment support portion in a height direction of the vehicular internal combustion engine, and is provided on the auxiliary equipment support portion side with respect to a central portion in an arrangement direction of the plurality of cylinders of the 1 st side surface,
the 1 st oil passage portion connects the oil cooler main body mounting bulging portion and the auxiliary equipment support portion.
5. The auxiliary equipment support structure of an internal combustion engine for a vehicle according to claim 4,
the oil cooler main body mounting bulging portion includes: a cooling water chamber bulging portion which forms a cooling water chamber through which cooling water passes; and an oil chamber bulging portion bulging from the cooling water chamber bulging portion to the auxiliary device support portion side to form an oil chamber through which oil passes,
the 1 st oil passage portion connects the oil chamber bulging portion and the auxiliary device support portion.
6. The auxiliary equipment support structure of an internal combustion engine for a vehicle according to claim 5,
the oil cooler main body mounting bulging portion overlaps the auxiliary device in a direction orthogonal to an arrangement direction of the plurality of cylinders and orthogonal to an axial direction of the plurality of cylinders.
7. The auxiliary equipment support structure of an internal combustion engine for a vehicle according to claim 6,
an oil filter for filtering oil is arranged below the cylinder block,
a cylindrical filter inlet oil passage portion that protrudes outward from the 1 st side surface and extends from an outer peripheral edge of the 2 nd side surface toward the oil filter to introduce oil into the oil filter is provided on the 1 st side surface,
the oil cooler main body mounting bulging portion is provided at a position between the 1 st oil passage portion and the filter inlet oil passage portion.
8. The auxiliary equipment support structure of an internal combustion engine for a vehicle according to claim 7,
a filter outlet oil passage portion bulging outward from the 1 st side surface is provided on the 1 st side surface,
the filter outlet oil passage portion extends upward from the oil filter toward the 1 st oil passage portion to introduce oil from the oil filter to the 1 st oil passage portion,
the filter outlet oil passage portion is connected to the filter inlet oil passage portion.
9. The auxiliary equipment support structure of an internal combustion engine for a vehicle according to any one of claims 5 to 8,
a reinforcing rib for connecting the auxiliary device supporting part and the oil chamber bulging part is arranged on the 1 st side surface,
the reinforcing rib is connected to the 1 st oil passage portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019-011671 | 2019-01-25 | ||
| JP2019011671A JP7211108B2 (en) | 2019-01-25 | 2019-01-25 | Auxiliary equipment support structure for vehicle internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111486000A true CN111486000A (en) | 2020-08-04 |
| CN111486000B CN111486000B (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010064058.8A Active CN111486000B (en) | 2019-01-25 | 2020-01-20 | Auxiliary equipment supporting structure of internal combustion engine for vehicle |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7211108B2 (en) |
| CN (1) | CN111486000B (en) |
| DE (1) | DE102020200735A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503200A (en) * | 2021-07-22 | 2021-10-15 | 一汽解放汽车有限公司 | Car and be used for engine oil cooling filtration subassembly of engine thereof |
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| JP5645337B2 (en) | 2011-10-07 | 2014-12-24 | 本田技研工業株式会社 | Support structure for auxiliary equipment of internal combustion engine |
| DE112015004765B4 (en) * | 2014-10-20 | 2022-02-17 | Honda Motor Co., Ltd. | Cylinder block and engine provided therewith |
| JP2017187006A (en) * | 2016-04-08 | 2017-10-12 | ヤンマー株式会社 | Engine device |
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- 2019-01-25 JP JP2019011671A patent/JP7211108B2/en active Active
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- 2020-01-22 DE DE102020200735.7A patent/DE102020200735A1/en active Pending
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| CN1576537A (en) * | 2003-07-07 | 2005-02-09 | 三菱自动车工业株式会社 | Power transmission system cover for engine |
| CN2793350Y (en) * | 2005-04-18 | 2006-07-05 | 重庆隆鑫工业（集团）有限公司 | Silencing cylinder head |
| JP2008190361A (en) * | 2007-02-01 | 2008-08-21 | Honda Motor Co Ltd | Internal combustion engine with auxiliary engine |
| CN105332821A (en) * | 2015-10-16 | 2016-02-17 | 北京精密机电控制设备研究所 | Servo mechanism integrated with hydrogen turbine pump and servo control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113503200A (en) * | 2021-07-22 | 2021-10-15 | 一汽解放汽车有限公司 | Car and be used for engine oil cooling filtration subassembly of engine thereof |
| CN113503200B (en) * | 2021-07-22 | 2022-10-14 | 一汽解放汽车有限公司 | Car and be used for engine oil cooling filtration subassembly of engine thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102020200735A1 (en) | 2020-07-30 |
| JP2020118131A (en) | 2020-08-06 |
| JP7211108B2 (en) | 2023-01-24 |
| CN111486000B (en) | 2022-03-08 |
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