JPH068957Y2 - Arrangement structure of load sensing proportioning valve - Google Patents

Description

TECHNICAL FIELD The present invention relates to an arrangement structure of a load sensing proportioning valve (hereinafter abbreviated as LSPV) that controls an input hydraulic pressure of a rear wheel brake.

2. Description of the Related Art Conventionally, as an LSPV layout structure, the one shown in FIG. 5 has been put into practical use (issued by Toyota Motor Corporation “'87
CAMRY FOR USA & CANADA ").
That is, rear side members 2 and 2 extending in the vehicle front-rear direction are arranged on the lower surface of the rear portion of the vehicle 1, and a rear suspension member 3 is bridged between the rear side members 2 and 2. One ends of parallel links 4 and 5 are pivotally supported on both sides of the rear suspension member 3, and the other ends of the parallel links 4 and 5 are pivotally supported to the rear wheels 6 and 6 via a linking member (not shown). Has been done. A fuel tank 7 is provided on the front side of the rear suspension member 3 with respect to the vehicle body, and a spare tire storage recess 8 is provided on the rear side of the vehicle body. A muffler 10 communicating with an exhaust pipe 9 is disposed on one side of the spare tire storage recess 8, and an LSPV 11 is disposed near the other end on the vehicle rear side of the parallel link 5. The LSPV11 has a brake tube 1
2 are connected.

The LSPV 11 according to this example is a so-called dual type and has a function of controlling the input hydraulic pressure of the brakes of the left and right rear wheels 6, 6.

However, in such a conventional structure, as described above, the LSPV 11 is disposed behind the parallel link 5 in the vehicle body and in the vicinity of the other end of the spare tire storage recess 8. ing. Therefore, when the end portion of the brake tube 12 is fastened to the LSPV 11, in order to secure a sufficient working space, the spare tire storage recessed portion 8 which is an obstacle to the work is provided as shown by the solid line in FIG. It has to be displaced rearward or to the muffler 10 side as shown by the solid line in FIG.

For this reason, when the spare tire storage recess 8 is displaced rearward of the vehicle body, there is a disadvantage in forming the vehicle body that the overhang O of the vehicle body becomes long, and when the spare tire storage recess 8 is displaced toward the muffler 10 side. Therefore, the muffler 10 must be miniaturized as shown by the solid line in FIG. 6, resulting in a disadvantage that the muffler capacity is reduced.

Of course, as shown in FIG. 7, the spare tire storage recess 8
At the same time, if the muffler 10 is also displaced to the side of the vehicle body, it is possible to sufficiently maintain the muffler capacity. In this case, in order to avoid the interference between the muffler 10 and the rear side member 2 as shown in FIG. The rear side member 2 has to be displaced upward, which causes a disadvantage that the capacity of the luggage compartment 23 decreases.

The present invention has been made in view of such a conventional problem, and without reducing the muffler capacity and the luggage compartment capacity,
Further, it is an object of the present invention to provide an arrangement structure of LSPVs capable of ensuring a sufficient brake tube fastening space even in a vehicle having a so-called short overhang.

Means for Solving the Problems In order to solve the above problems, the present invention provides a vehicle equipped with a strut-type rear suspension having a pair of parallel links, the ends of which are pivotally supported by a rear suspension member. An LSPV for controlling the input hydraulic pressure of the rear wheel brake is arranged in the space between the pair of parallel links and between the pair of parallel links and the suspension member.

Operation In the above structure, the LSPV is disposed between the pair of parallel links and between the pair of parallel links and the suspension member, and the pair of parallel links are pivotally supported at their ends by the rear suspension member. Therefore, it is possible to effectively use the space between the parallel links and the space between the parallel links and the rear suspension member to fasten the brake tube to the LSPV. Therefore, a sufficient work space can be secured when the brake tube is fastened.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.
That is, as shown in FIG. 1, rear side members 2 and 2 extending in the vehicle body front-rear direction are arranged on the lower surface of the rear portion of the vehicle 1, and between the rear side members 2 and 2, a rear suspension member is provided. 3 is crosslinked. As shown in FIG. 2, an upright portion 13 extending upward (UPR) and an arm portion 14 extending in a side direction (RH) of the vehicle body (right) are provided on both sides of the rear suspension member 3. Is bent and molded. One ends of parallel links 4 and 5 are pivotally supported at the lower end of the upright portion 13, and the other ends of the parallel links 4 and 5 are connected to rear wheels 6 through a linking member (not shown).
It is pivotally supported by 6.

A sensor spring 15 for an LSPV 17, which will be described later, is erected together with a rod 31 between one of the parallel links 5 located at the rear of the vehicle body and the arm portion 14, and the rod 31 has a tip portion on both parallel links 4, 4. Brackets 16, 16 extending between the five are attached respectively.
An LSPV 17 is fixed to the tip portion of the bracket 16, and the LSPV 17 is a so-called single type that individually controls the input hydraulic pressure of the left and right rear wheel brakes.
The brake tube 12 is in communication.

The LSPV 17 has a function of individually performing variable control of the hydraulic pressure at the operation start points of the left and right rear wheel brakes in accordance with a change in the vehicle weight that appears as a load change of the sensor spring 15.

On the other hand, a fuel tank 7 is provided on the front side of the rear suspension member 3 in the vehicle body, and a spare tire storage recess 8 is provided on the rear side of the vehicle body.
A muffler 10, which communicates with a exhaust pipe 9, is disposed on one side of the spare tire storage recess 8.

In the present embodiment having the above configuration, the LSPV17
Is disposed between the pair of parallel links 4 and 5, and the pair of parallel links 4 and 5 and the arm portion 14 are provided.
And the parallel links 4, 5
Is pivotally supported at the lower end of the upright portion 13 of the rear suspension member 3. Therefore, as shown in FIG. 2, the space A between the parallel links 4 and 5 and the space B between the parallel links 4 and 5 and the arm portion 14 of the rear suspension member 3 are effectively used to provide the LSPV 17 with a brake tube. 12 can be fastened.

Therefore, in order to secure a sufficient working space when fastening the end portion of the brake tube 12 to the LSPV 17, the spare tire storage recess 8 which is an obstacle to the work is displaced rearward of the vehicle body as shown by the solid line in FIG. Even if the vehicle has a so-called short overhang in which the overhang O of the vehicle body is short, the workability is taken into consideration.
PV can be mounted.

In addition, as shown by the solid line in FIG.
Since the necessity of displacing the muffler 10 to the muffler 10 side is also eliminated, there is no need to downsize the muffler 10, the disadvantage of reducing the muffler capacity is eliminated, and inevitably a sufficient muffler capacity is secured. Therefore, the necessity of displacing the muffler 10 along with the spare tire storage recess 8 to the side of the vehicle body is eliminated.

As a result, it is not necessary to displace the rear side member 2 upward in order to avoid the interference between the muffler 10 and the rear side member 2, which eliminates the disadvantage that the capacity of the luggage compartment 23 is reduced. .

3 and 4 show a second embodiment of the present invention,
The standing portion 13 of the rear suspension member 3 is provided with openings 18 and 19. Also, the parallel link 4,
A shaft 20 is installed between the shaft 5 and the shaft 2.
A rod 32, which supports the sensor spring 15 loosely inserted in one opening 18, is pivotally supported at the center of 0. A bracket 21 whose front end extends into the rear suspension member 3 through the opening 18 is inserted and fixed to the lower end of the rod 32, and the LSPV 17 is fixed to the front end. By this, the LS
The PV 17 is disposed between the parallel links 4 and 5 and is disposed inside the rear suspension member 3.
The brake tube 12 communicates with the V17 via the other opening 19.

In this embodiment, since the LSPV 17 is arranged inside the rear suspension member 3 having a closed cross-section, the heat shield member and the collision member of the LSPV 17 are not required, and the cost is reduced. Can be planned.
Further, as shown in FIG. 4, between the LSPV 17 and the filler tube 22, and between the LSPV 17 and the exhaust pipe 9
The spaces C and D between them can be set sufficiently, and the above-mentioned fastening workability can be further improved.

Further, since the angle of the upright portion 13 of the rear suspension member 3 can be tilted from the position shown by the chain line in FIG. 4 to the position shown by the solid line, it is advantageous in terms of sound vibration suppression. is there.

As described above, the present invention provides a vehicle equipped with a strut-type rear suspension having a pair of parallel links between the pair of parallel links and between the pair of parallel links and the suspension member. The LSPV is arranged in the space. Therefore,
LSP that effectively utilizes the space between both parallel links and the space between the parallel link and the rear suspension member
It becomes possible to fasten the brake tube to V.

Therefore, in order to secure a sufficient working space when fastening the end portion of the brake tube to the LSPV, it is possible to eliminate the necessity of displacing the spare tire storing recess, which hinders the work, toward the rear of the vehicle body, and to prevent overhang of the vehicle body. Even a vehicle with a short so-called short overhang can be equipped with the LSPV in consideration of workability.

Also, since the necessity of displacing the tire storing recess toward the muffler is eliminated, there is no need to downsize the muffler, and the disadvantage of reducing the muffler capacity is eliminated, and
The necessity of displacing the muffler to the side of the vehicle body together with the spare tire storage recess is eliminated in order to sufficiently secure the muffler capacity.

As a result, it is not necessary to displace the rear side member upward in order to avoid the interference between the muffler and the rear side member, and this makes it possible to secure a sufficient luggage compartment capacity.

[Brief description of drawings]

1 is a bottom view of a vehicle body showing an embodiment of the present invention, FIG. 2 is a perspective view of an essential portion of the same embodiment, FIG. 3 is a perspective view of an essential portion of another embodiment of the present invention, and FIG. Is a front view of the same embodiment as seen from the rear of the vehicle body, FIG. 5 is a vehicle body bottom view showing the conventional structure, FIG.
FIG. 7 is an explanatory view showing a problem of the conventional structure. 1 ... Vehicle, 3 ... Rear suspension member, 4, 5 ... Parallel link, 17 ... LSPV (load sensing proportioning valve).

Claims (1)

[Scope of utility model registration request] 1. A vehicle equipped with a strut-type rear suspension having a pair of parallel links, the ends of which are pivotally supported by a rear suspension member, between the pair of parallel links and the pair of parallel links. An arrangement structure of a load sensing proportioning valve, wherein a load sensing proportioning valve for controlling an input hydraulic pressure of a rear wheel brake is arranged in a space between the suspension member and the suspension member.