JP2002362168A - Mount structure of engine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mount structure of an engine which can restrict vibration of a power plant and protect an oil filter from a flying stone or the like by improving a fastening rigidity between a cylinder block and a mount bracket when the engine is inclinedly mounted. SOLUTION: A mount structure of an engine 1 is constituted by connecting a mount bracket 7 connected to a side part 6 on the inclined side of the engine 1 to a cylinder block 13 with a stiffener 14 and providing an oil filter guard 15 covering the oil filter 11 mounted on the side part 6 on the inclined side of the cylinder block 13. With such a structure, fastening rigidity between the cylinder block 13 and the mount bracket 7 is improved by the stiffener 14 so as to restrict vibration of the power plant 10, and the oil filter 11 can be protected by the oil filter guard 15 from a flying stone or the like.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an engine mounting structure, and more particularly to an engine mounting structure mounted on a vehicle body at an angle.

[0002]

2. Description of the Related Art Generally, in a vehicle, a power plant composed of an engine and a transmission is mounted on a vehicle body via an engine mount composed of an elastic member or the like, and vibrations during operation of the power plant are suppressed. Let me.

For example, in Japanese Utility Model Laid-Open Publication No. 63-148521, as shown in FIG. 6, an engine 1 mounted horizontally on a vehicle body (not shown) and a rear portion projecting rearward from the engine 1 are shown. A power plant 3 including a transmission 2 is mounted on a vehicle body through a plurality of engine mounts 4, and includes a rear portion of the engine 1 and an engine mount 4 interposed between the rear portion of the transmission 2 and the vehicle body. The mounting structure of the engine 1 connected by the stiffener 5 is disclosed. In the mounting structure of the engine 1, the rigidity of the connection between the engine 1 and the transmission 2 is improved to reduce the vibration (vibration in the direction B shown in FIG. 6) generated in the power plant 3 in which the engine 1 is mounted horizontally on the vehicle body. It is configured to be suppressed by the stiffener 5.

By the way, in a vehicle, FIGS.
As shown in FIG. 1, there is an engine in which the engine 1 is tilted to one side in the vehicle width direction due to restrictions on the height of the engine room.
When this type of engine 1 is mounted on a vehicle body via an engine mount 4, as shown in FIGS. 7 and 9, a side inclined downward (right side in FIG. 7) in the engine 1.
It is necessary to extend the mount bracket 7 connected to the side part 6 of the power plant 10, whereby the fastening rigidity between the engine 1 and the mount bracket 7 is reduced, and vibration is generated from the power plant 10 and the mount bracket 7. Was. In addition, when the engine 1 is mounted with the engine 1 tilted, the oil filter 11 is arranged so as to face a road surface (not shown) as shown in FIGS.
There is a possibility that pebbles and the like jumped up from the road surface may be damaged by collision or contact with falling objects on the road surface.

As shown in FIG. 9, when the tilted engine 1 is mounted vertically on the vehicle body, each of the mount brackets 7, 8, 9 is connected to the side of the engine 1 in the vehicle width direction. Therefore, vibration in the vehicle traveling direction of the power plant 10 (vibration in the direction D shown in FIG. 9) due to insufficient rigidity of the mount bracket 7 formed longer than the other mount brackets 8 and 9 has become a problem. further,
When such a power plant (a power plant in which the vertically mounted engine 1 is tilted) 10 is applied to a four-wheel drive vehicle, a mount connected to the side 6 of the engine 1 that is inclined downward and downward. The bracket 7, that is, the mount bracket 7 formed longer than the other mount brackets 8 and 9, has a hole 12 through which a propeller shaft (not shown) is inserted. The rigidity of the mounting bracket 7 itself and the rigidity of the mount bracket 7 itself are reduced, and the power plant 10 is caused to vibrate.

[0006]

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in view of the above circumstances, and when the engine is mounted at an angle, the fastening rigidity between the cylinder block and the mount bracket is increased to increase the vibration of the power plant. It is an object of the present invention to provide an engine mount structure that can suppress oil pollution and protect the oil filter from flying stones.

[0007]

In order to achieve the above object, according to the first aspect of the present invention, a power plant including an engine and a transmission is supported on a vehicle body by tilting the engine via an engine mount. In the engine mounting structure, the mount bracket of the engine mount mounted on the power plant and the cylinder block are connected by a stiffener, and the stiffener is provided with an oil filter guard that covers an oil filter mounted on the inclined side of the cylinder block. It is characterized by having.

According to the present invention, with this configuration, the mounting bracket and the cylinder block can be connected by the stiffener, and the fastening rigidity between the mount bracket and the cylinder block can be increased. Further, by covering the oil filter with an oil filter guard provided on the stiffener, the oil filter can be protected from flying stones or the like.

In order to achieve the above object, the invention according to claim 2 of the present invention is characterized in that the stiffener is attached so as to straddle an oil filter.

According to the present invention, the oil filter guard can be mounted in the vicinity of the oil filter, and the oil filter guard can be made compact.

Further, in order to achieve the above object, the invention according to claim 3 of the present invention is characterized in that the stiffener is mounted on a mount bracket having a longer leg than other mount brackets. And

According to the present invention, a stiffener can effectively reinforce a mount bracket formed longer and having lower rigidity than other mount brackets.

In order to achieve the above object, the invention according to a fourth aspect of the present invention is characterized in that the power plant is mounted vertically on a vehicle body.

According to the present invention, with this configuration, the stiffener enhances the fastening rigidity between the engine of the power plant vertically mounted on the vehicle body and the mount bracket to reduce the vibration of the power plant in the longitudinal direction of the vehicle body. It can be suppressed effectively.

[0015] In order to achieve the above object, the invention according to claim 5 of the present invention is characterized in that a mounting bracket to which a stiffener is attached is provided with a hole through which a propeller shaft penetrates. .

According to the present invention, the stiffener for connecting the mount bracket and the engine reinforces the mount bracket having the hole formed therein, thereby improving the rigidity of the mount bracket.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An engine mounting structure according to an embodiment of the present invention will be described with reference to FIGS. First, the outline of the mount structure of the engine of the present embodiment will be described. The mounting structure of the engine 1 is shown in FIGS.
As shown in FIG.
1 is a mounting structure of an engine 1 mounted on a vehicle body (not shown) by tilting a power plant 10 composed of a power plant 10 and a transmission 2 (see FIG. 5). A mount bracket 7 connected to a side 6 on the right side of the paper (hereinafter, simply referred to as an inclined side) and a cylinder block 13 are connected by a stiffener 14, and the stiffener 14 is connected to the side 6 on the inclined side of the cylinder block 13. An oil filter guard 15 for covering the attached oil filter 11 was provided.

As a result, the mounting structure of the engine 1 includes the mounting bracket 7 and the cylinder block 13.
The rigidity of the mounting bracket 7 itself and the rigidity of the mounting bracket 7 itself are improved, the vibration of the power plant 10 is effectively suppressed, and the oil filter 11 is protected by the oil filter guard 15 from flying stones and the like.

Next, details of the mounting structure of the engine 1 will be described. In the mounting structure of the present engine 1, the engine 1 is disposed vertically on the vehicle body, and the power plant 10 is formed by connecting the transmission 2 to the engine 1 as shown in FIG. The power plant 10 includes an engine mount 4 having one end connected to the side of the power plant 10 and the other end of a plurality of (three in this embodiment) mount brackets 7, 8, and 9 disposed on a vehicle body. And is supported (mounted) on the vehicle body.

In the power plant 10, as shown in FIG. 1, the engine 1 is inclined at a required angle (about 45 degrees in this embodiment) so that the exhaust side 6 is directed downward. The engine 1 is mounted on a vehicle body, so that the mounting structure of the engine 1 is such that the length of the mounting bracket 7 connected to the side 6 on the inclined side (the exhaust side in this embodiment) of the engine 1 is different from that of the other mounting brackets. 8, 9 (see FIG. 5). As shown in FIGS. 1 to 3, a lower end of an oil filter 11 is attached to a lower portion of the inclined side 6 of the cylinder block 13 so that the axis of the oil filter 11 is substantially horizontal. And is mounted on the cylinder block 13. The vehicle rear side of the oil filter 11 is covered with a wide surface of the mount bracket 7, and the wide surface is provided at a substantially central portion in consideration of mounting the power plant 10 on a vehicle body of a four-wheel drive vehicle. As shown in FIG. 1, a hole 12 for inserting a propeller shaft (not shown) is formed.

As shown in FIGS. 1 to 3, the stiffener 14 is attached to the inclined side 6 of the cylinder block 13 and the mount bracket 7 connected to the side 6.
The stiffener 14 has a fastening portion 14a at one end which is fastened to a position on the vehicle body front side of the oil filter 11 on the inclined side 6 of the cylinder block 13 and a fastening portion 14b at the other end which is oily. It is fastened near the hole 12 of the mount bracket 7 provided on the rear side of the filter 11. As shown in FIGS. 1 to 5, the stiffener 14 is formed of a steel pipe, and a rod-like portion 14c between the fastening portions 14a and 14b is provided just below the upper end of the oil filter 11 in the vehicle longitudinal direction. The stiffener 14 is formed so as to extend,
An oil filter guard 15 covering the lower side of the oil filter 11 is attached by welding.

The operation of the mounting structure of the engine 1 according to this embodiment in such a configuration will be described. The mounting structure of the engine 1 is such that the stiffener 14 connects the inclined side 6 of the cylinder block 13 of the engine 1 mounted on the vehicle body to be inclined and the mount bracket 7 connected to the side 6. Thereby, the mount bracket 7 extended by tilting the engine 1 is reinforced by the stiffener 14, and the fastening rigidity between the mount bracket 7 and the cylinder block 13 and the rigidity of the mount bracket 7 itself can be increased. , Power plant 1
Vibration occurring at zero can be suppressed. In particular, when the mount structure of the engine 1 is applied to a power plant 10 in which the tilted engine 1 is mounted vertically on a vehicle body, vibrations generated in the power plant 10 in the vehicle longitudinal direction (see FIG. 9). D-direction vibration) can be effectively suppressed. Further, even in the case where the hole 12 for inserting the propeller shaft into the mount bracket 7 is formed, the stiffener 14 reinforces the decrease in the rigidity of the mount bracket 7 due to the hole 12 being formed. In addition, vibration generated in the mount bracket 7 can be effectively suppressed.

The mounting structure of the engine 1 is such that the oil filter guard 15 that covers the lower side of the oil filter 11 is provided on the stiffener 14 so that the side 6 of the engine 1 on which the oil filter 11 is mounted is provided. Even if the engine 1 is tilted so that the oil filter 11 faces downward, the oil filter 11 can be protected from flying stones and the like, and the oil filter 11 can be prevented from being damaged. Further, the stiffener 14 is
By installing the oil filter 11 so as to straddle the oil filter 11, the oil filter guard 15 can be arranged near the oil filter 11, and the oil filter guard 15 can be formed compact. In addition, since the stiffener 14 is formed of a steel pipe and the oil filter guard 15 formed of steel is welded and joined to the steel pipe, the rigidity of the stiffener 14 can be significantly improved.

[0024]

According to the first aspect of the present invention, there is provided an engine mounting structure in which a power plant including an engine and a transmission is tilted via an engine mount and supported on a vehicle body. The mount bracket of the engine mount and the cylinder block are connected by a stiffener, and the stiffener is provided with an oil filter guard that covers the oil filter mounted on the inclined side of the cylinder block. The vibration of the power plant can be effectively suppressed by improving the fastening rigidity of the engine, and the engine is tilted downward with the oil filter guard so that the side of the engine where the oil filter is mounted is directed downward. Even if the oil Filter and protected from flying stones or the like, it is possible to prevent such a situation that the oil filter is damaged.

According to the second aspect of the present invention, since the stiffener is mounted so as to straddle the oil filter, the oil filter guard can be disposed near the oil filter. The oil filter guard can be formed compact.

According to the third aspect of the present invention, since the stiffener is mounted on the mount bracket having a longer leg than the other mount bracket, the engine is inclined. The extended mount bracket can be reinforced by the stiffener, and the vibration of the mount bracket can be effectively suppressed.

According to the fourth aspect of the present invention, since the power plant is mounted vertically on the vehicle body, the mount bracket connected to the side of the power plant is effectively reinforced with the stiffener. As a result, the fastening rigidity between the mount bracket and the power plant can be increased, and the vibration of the power plant in the vehicle longitudinal direction can be effectively suppressed.

According to the fifth aspect of the present invention, the mounting bracket to which the stiffener is mounted is provided with the hole through which the propeller shaft passes.
The mounting bracket having the hole formed therein can be reinforced with a stiffener to increase the rigidity of the connection between the mounting bracket and the power plant, and vibration of the power plant in the vehicle longitudinal direction can be effectively suppressed.

[Brief description of the drawings]

FIG. 1 is an explanatory view of an engine mounting structure according to an embodiment of the present invention, and particularly, a front view of an engine mounted on a vehicle body with a side portion on a side where an oil filter is mounted (a side portion on a tilt side) inclined. is there.

FIG. 2 is an explanatory view of a mounting structure of the engine according to the present embodiment, particularly a side view of a cylinder block on a side where an oil filter is mounted.

FIG. 3 is an explanatory view of an engine mounting structure according to the present embodiment, and in particular, is a side view of an engine mounted on a vehicle body with a side part (a side part on a slope side) on which an oil filter is mounted is inclined. is there.

FIG. 4 is an explanatory view of a mounting structure of the engine according to the embodiment, particularly showing a mutual positional relationship among an oil filter, a stiffener, and an oil filter guard.

FIG. 5 is an explanatory view of a mounting structure of the engine according to the embodiment, and is a view particularly showing an outline of the mounting structure of the engine when viewed from a direction A shown in FIG. 1;

FIG. 6 is an explanatory view of a mounting structure of a conventional engine, and in particular, is a plan view schematically showing a mounting structure of a conventional engine.

FIG. 7 is an explanatory view of a conventional engine mounting structure, particularly a front view of an engine mounted on a vehicle body with a side on which an oil filter is mounted tilted.

FIG. 8 is an explanatory view of a conventional engine mounting structure, particularly a side view of an engine mounted on a vehicle body with a side portion on which an oil filter is mounted tilted.

FIG. 9 is an explanatory view of a conventional engine mounting structure, in particular, a view schematically showing the mounting structure of the engine when viewed from a direction C shown in FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Engine 2 Transmission 4 Engine mount 6 Side part (engine) 7 Mount bracket 10 Power plant 11 Oil filter 14 Stiffener 15 Oil filter guard

Claims (5)

[Claims] 1. An engine mount structure in which a power plant including an engine and a transmission is tilted via an engine mount and is supported on a vehicle body.
A mount bracket of the engine mount attached to the power plant and a cylinder block are connected by a stiffener, and the stiffener is provided with an oil filter guard that covers an oil filter attached to an inclined side of the cylinder block. Engine mounting structure. 2. The engine mounting structure according to claim 1, wherein the stiffener is attached so as to straddle the oil filter. 3. The engine mounting structure according to claim 1, wherein the stiffener is mounted on a mount bracket having a leg portion longer than other mount brackets. 4. The engine mounting structure according to claim 1, wherein the power plant is mounted vertically on a vehicle body. 5. The engine mounting structure according to claim 4, wherein a hole through which a propeller shaft passes is provided in the mount bracket to which the stiffener is attached.