JPH0620680Y2 - Vehicle power unit support structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a support structure for a vehicle power unit.

(Prior Art) When providing a mount member for supporting a power unit including an engine, a mission, etc. in an engine room of a vehicle, a structure in which both ends of the mount member are coupled to the vehicle is generally adopted (for example, ,
See Japanese Utility Model Laid-Open No. 60-66529).

The mount member is generally made of a plate (sheet metal), and its cross-sectional shape is concave or convex. Further, a simple one-plate plate does not provide sufficient rigidity, and the mount member vibrates with the vibration of the power unit. For example, the unique frequency of the torsion matches the frequency band of muffled sound in the vehicle interior. Since the mount member may amplify and transmit noise and vibration to the vehicle body, it is also considered that the cross-sectional shape of the mount member has a closed cross-section structure.

(Problems to be solved by the invention) By the way, the mount member as described above is provided at a certain height in order to secure the minimum ground clearance of the vehicle body. Sometimes it may be necessary to avoid interference with part of the bread. That is, when the mount member has a closed cross-section structure and its rigidity is increased, the height of the mount member itself becomes high, so that the above interference is likely to occur, but in order to avoid this interference, for example, it is necessary to take a concave closed cross-section structure. Occurs. Therefore, if you try to avoid the above interference while ensuring a certain rigidity,
The mount member has a problem that the amount of material used increases and the weight increases. The present invention is intended to solve such a problem.

(Means for Solving Problems) As a means for solving the above problems, the present invention provides a mount member for a power unit, which is provided by connecting both ends to a vehicle body in an engine room of a vehicle. Support for a vehicle power unit including a plate member at both ends having a mounting bracket for mounting the power unit and a joint portion to the vehicle body, and two pipe members arranged in parallel with each other to connect the plate members. It is intended to provide structure.

(Operation) In the support structure of the power unit, the pipe member itself has a closed cross-section structure, and the rigidity of the mount member is ensured because the two members are arranged side by side. Since a gap is formed between the two pipe members, interference with the power unit can be avoided easily, and the amount of material used is reduced, which allows for weighing. As a matter of course, the mount member has plate members at both ends, which are provided with a mount bracket and a connecting portion to the vehicle body, so that there is no problem in mounting the power unit or connecting to the vehicle body.

(Effect of the Invention) Therefore, according to the present invention, the mount member for the power unit is composed of the plate members at both ends and the two plate members arranged side by side so as to connect the plate members. The effect of facilitating the prevention of interference with the components of the power unit and reducing the weight while securing the mountability of the power unit, the bondability to the vehicle body, and the rigidity as the mount member are obtained.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

In the vehicle power unit support structure shown in FIGS. 1 and 2, reference numeral 1 denotes a power unit provided in an engine room, which is supported by a mount member 2 arranged in the front-rear direction of the vehicle body. Further, in FIG. 1, 3
Is a lower arm of a strut type suspension, and this lower arm 3 is fixed to a reinforcement 4 extending in the left-right direction of a vehicle body under a dash lower panel 10 that separates an engine room from a vehicle compartment, and a front side member 5 extending in the front-rear direction. A wheel 7 is supported on the left gusset 6 so as to be vertically swingable, and a strut 8 is arranged between the lower arm 3 and the tire house of the wheel 7. The gusset 6 is connected to the right gusset by a cross member 9.

The mount member 2 is composed of plate members 11 and 12 at the front and rear ends and two pipe members 13 and 14 that connect the plate members 11 and 12, respectively.
The front plate member 11 includes a rubber mount bracket 15 for mounting the power unit 1, and
A cross member 16 arranged in the left-right direction at the front end portion of the vehicle body is coupled through coupling members 17, 17 via an elastic body 18 as shown in FIG. On the other hand, the rear plate member 12 is also provided with a rubber mount bracket 19 in the same manner.
Further, in the right side coupling hole 22, they are coupled to the reinforcement 4 via elastic bodies 18 and 18, respectively.

As shown in FIG. 3, the two pipe members 13 and 14 are juxtaposed to each other with a gap (spacing) 23 left and right, and their front and rear ends are arranged on the front and rear plate members 11 and 12, respectively. It is joined. That is, as shown in FIG. 4, the front plate member 11 includes the upper plate 11a and the lower plate 11a.
b is joined to form joint holes 11c and 11d on both sides, and both pipe members 13 and 14 are joined to each other.
This front plate member 11 in the state of being inserted into c and 11d
Is welded to. The joint structure between the two pipe members 13 and 14 and the rear plate member 12 is similar to that of the front plate member 11.

Therefore, in the support structure of the power unit, the two pipe members 13 and 14 ensure rigidity against twisting and the like in the middle portion of the mount member 2 in the front-rear direction, but both pipe members 13 and 14 have closed cross sections. Since they are structured and arranged side by side with a space therebetween, the rigidity is approximately the same as that of the structure in which the front and rear plate members 11 and 12 are provided with holes having a closed cross section on both sides with two plates. However, the weight can be reduced. Then, in the space 23 between the two pipe members 13 and 14, it is easy to avoid the interference between the power unit 1 and the mount member 2 and to secure the ground clearance of the vehicle body.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention, FIG. 1 is a plan view showing a supporting structure of a power unit of a vehicle, FIG. 2 is a side view of the same in a partial cross section, and FIG. Sectional view, 4th
The figure is also a sectional view taken along line IV-IV. 1 ... Power unit, 2 ... Mount member, 4 ...
Reinforcement, 6 ... Gusset, 11 ... Front plate member, 12 ... Rear plate member, 13, 14 ...
Pipe member, 15, 19 ... Mount bracket, 1
7,21,22 ... coupling hole, 23 ... void (spacing).

Claims (1)

[Scope of utility model registration request] 1. A mount member for supporting a power unit in an engine room of a vehicle, the both ends of which are coupled to a vehicle body, wherein the mount member includes a mount bracket for mounting the power unit and a coupling portion to the vehicle body. A support structure for a power unit of a vehicle, comprising a plate member at both ends provided, and two pipe members arranged in parallel at intervals so as to connect the plate members.