JPH11115799A - Assembly method for member support structure, and temporary holding member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To certainly carry out the temporary holding of a stopper and to control a useless space between the stopper and a car body skeleton member. SOLUTION: In an assembly method for member support structure, before a suspension member is assembled to a car body skeleton member, a lower part of a temporary holding member 37 separably fitted in the center hole 35b of a stopper 35 is previously fitted in an inner peripheral hole 19a through the upper end of an inner cylinder to make an insulator 5 temporarily hold the stopper 35, and at the time of assembling the suspension member 1 to the car body skeleton member, the temporary holding member 37 is pushed-in with a fastening tool 27 on the side of the car body skeleton member, and the fastening tool 27 therefore pierces the inner cylinder to separate the temporary holding member 37.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for assembling a member supporting structure for elastically supporting a suspension member on a lower surface of a body frame member, and a temporary holding member.

[0002]

2. Description of the Related Art As a conventional member support structure, there is, for example, a structure shown in FIGS. 8 to 10 (introduction of a new type vehicle "Introduction of R33 type vehicle" issued by Nissan Motor Co., Ltd., 1993).
-58).

FIG. 8 is an overall perspective view of a rear suspension device, FIG. 9 is a schematic enlarged side view, and FIG. 10 is an enlarged sectional view of a main part. As shown in FIGS. 8 and 9,
In this rear suspension device, a suspension member 1 is elastically supported on the lower surface of a rear side member 7 which is a vehicle body frame member by left and right front and rear insulators 3 and 5. The suspension member 1 supports a suspension arm 9, a front upper link 11, and a rear upper link 13 on both left and right sides, and further includes a stabilizer 15 and a shock absorber 17.

The front and rear insulators 3 and 5 have substantially the same configuration, and the rear insulator 5 will be described with reference to a cross-sectional view of FIG. As shown in FIG.
Is provided with an inner cylinder 19 and an outer cylinder 21,
Rubber 23 is vulcanized between the two.

The inner cylinder 19 protrudes upward from the outer cylinder 21, and a stopper 25 is sandwiched between the upper end of the inner cylinder 19 and the lower surface of the rear side member 7. With an interval S of. The stopper 25 has a hat cross-sectional shape and is fitted to the upper end of the inner cylinder 19.

A weld bolt 27 as a fastener is fixed to the rear side member 7.
7 penetrates the stopper 25 and the inner cylinder 19 and
A stopper 33 at the lower end is fastened and fixed via a washer 29 and a nut 31 at the lower end. The outer cylinder 21
, The cylindrical portion 2 of the suspension member 1 is fitted, whereby the suspension member 1 is elastically supported by the rear side member 7 via the insulator 5.

When the suspension member 1 moves upward relative to the side member 7 due to, for example, the wheel bounce during traveling, the outer cylinder 21 abuts against the stopper 25 and the upward movement is restricted. It is supposed to be.

When assembling the rear suspension device, the insulators 3 and 5 are integrally attached to the suspension member 1 as shown in FIG. 8, and the stopper 25 is free at the upper end of the inner cylinder 19 before assembling. Mated.

In this state, the entire suspension member 1 and the like are lifted from below by a lift or the like, and the weld bolt 27 of the rear side member 7 is moved to the stopper 25 and the inner cylinder 1.
9, the washer 29 and the stopper 33 are arranged at the lower end of the inner cylinder 19, and the nut 31 is tightened to complete the installation. The same applies to the front insulator 3.

[0010]

By the way, the stopper 2
The reason why the hat 5 has a hat cross section is to prevent the stopper 25 from being displaced from the upper end of the inner cylinder 19 when the rear suspension device is lifted from below and assembled on the lower surface of the rear side member 7. .

However, after assembling, it is sufficient that there is a predetermined interval S for functioning as a stopper, and the interval H between the stopper 25 and the lower surface of the rear side member 7 is useless. Therefore, when trying to secure the minimum ground clearance, the rear side member 7 is spaced
However, there is a problem that it moves upward only to narrow the cargo space.

The stopper 25 is attached to the inner cylinder 19 during assembly.
Is fitted in the upper end of the inner cylinder 19 in a free state, so that the displacement between the inner cylinder 19 and the stopper 25 can be suppressed at the time of assembling.
Can move with respect to the inner cylinder 19, so that some caution must be left during assembly.

An object of the present invention is to provide an assembling method of a member supporting structure and a provisional holding member which enable a more rough assembling. Another object of the present invention is to provide a method of assembling a member supporting structure and a provisional holding member that can suppress useless vertical spacing after assembling.

[0014]

According to a first aspect of the present invention, there is provided an insulator having an inner cylinder and an outer cylinder, the insulator being sandwiched between an upper end of the inner cylinder and a frame member of a vehicle body, and having a peripheral edge on the outer side. A stopper is provided on the cylinder side with a predetermined interval,
The suspension member integrally supported on the outer cylinder side is inserted into the center hole of the stopper and the inner peripheral hole of the inner cylinder by inserting a fastener projecting from the vehicle body frame member side into the elastic member on the lower surface of the vehicle body frame member. In the supporting member supporting structure, a lower portion of a temporary holding member previously fitted removably into a center hole of the stopper is assembled from an upper end of the inner cylinder to an inner periphery of the suspension member before the suspension member is assembled to the body frame member. The stopper is temporarily held by the insulator by fitting into the hole, and when the suspension member is assembled to the vehicle body frame member, the temporary holding member is pushed in by the fastener on the vehicle body frame member side, and the fastener tightens the inner cylinder. The temporary holding member is detached by penetrating.

According to a second aspect of the present invention, there is provided the member supporting structure assembling method according to the first aspect, wherein the stopper comprises:
It is characterized by being flat.

Therefore, after assembling, it is possible to eliminate a useless space between the stopper and the lower surface of the vehicle body side frame member.

According to a third aspect of the present invention, there is provided an insulator provided with an inner cylinder and an outer cylinder, the insulator being sandwiched between an upper end of the inner cylinder and a vehicle body frame member, and having a peripheral edge provided at a predetermined distance from the outer cylinder. And a stopper protruding from the vehicle body frame member side is inserted into a center hole of the stopper and an inner peripheral hole of the inner cylinder. Used for assembling a member support structure that elastically supports the lower surface of the body frame member,
Before assembling the suspension member to the vehicle body frame member, a temporary holding member main body that is preliminarily fitted to the center hole of the stopper and the inner peripheral hole of the inner cylinder so as to be detachable and temporarily holds the stopper to the insulator. Characterized by being molded with an elastic body.

Therefore, since the temporary holding member main body is an elastic body, it can be easily and removably fitted into the center hole of the stopper and the inner peripheral hole of the inner cylinder.

According to a fourth aspect of the present invention, there is provided the temporary holding member according to the third aspect, wherein the temporary holding member main body is integrally formed with a fitting portion fitted into a center hole of the stopper. An engaging portion that protrudes and fits into the inner peripheral hole of the inner cylinder of the insulator is characterized in that the engaging portion is tapered.

Therefore, since the engaging portion is formed to be tapered, when the fitting portion of the temporary holding member main body is fitted into the center hole of the stopper, it can be easily performed by fitting from the engaging portion side. Can be. In addition, the stopper can be disposed at the upper end of the inner cylinder of the insulator, and the engaging portion can be easily fitted into the inner peripheral hole of the inner cylinder.

According to a fifth aspect of the present invention, in the temporary holding member according to the third or fourth aspect, at least the fitting portion of the temporary holding member main body has a rectangular cross section.

Therefore, in addition to the function of the third or fourth aspect of the present invention, at least the fitting portion is partially in contact with the center hole of the stopper at a corner having a rectangular cross section, so that the temporary holding member can be easily detached. Becomes

According to a sixth aspect of the present invention, there is provided the temporary holding member according to the third or fourth aspect, wherein the temporary holding member main body has a rectangular cross section as a whole.

Therefore, in addition to the function of the third or fourth aspect of the present invention, at least the fitting portion of the temporary holding member body comes into contact with the center hole of the stopper at four corners having a square cross section. On the other hand, the temporary holding member main body can be stably held. In addition, since the cross-section is rectangular, the area of the upper end of the temporary holding member main body can be enlarged, and the pressing by the fastener can be easily performed in a wide area.

According to a seventh aspect of the present invention, in the temporary holding member according to any one of the third to sixth aspects, the height of the fitting portion is
The height of the engaging portion is substantially equal to the height of the fitting portion, while being substantially equal to the thickness of the stopper.

Therefore, in addition to the function of any one of the third to sixth aspects of the present invention, both the fitting portion and the engaging portion of the temporary holding member main body do not become unnecessarily large, and the temporary holding member is compact as a whole. be able to.

The invention according to claim 8 is the temporary holding member according to any one of claims 3 to 7, wherein the temporary holding member main body has a symmetrical shape in which engagement portions are formed on both sides of the fitting portion. It is characterized by being.

Therefore, in addition to the function of any one of the third to seventh aspects of the present invention, the temporary holding member main body has no directionality, and the fitting for temporary holding can be easily performed.

[0029]

According to the first aspect of the present invention, when the suspension device is pushed up from below by a lift or the like and is assembled to the lower surface of the body frame member, the stopper is temporarily and stably temporarily held on the upper end of the inner cylinder of the insulator by the temporary holding member. And the assembling work can be performed extremely easily. Further, since the temporary holding member is automatically released by being pushed in by the fastener at the time of assembling, the workability is not impaired at all.

According to the second aspect of the present invention, in addition to the effects of the first aspect of the present invention, since there is no useless space between the stopper and the lower surface of the vehicle body frame member after assembly, the vehicle body frame member can be secured while keeping the minimum ground clearance. Can be reduced to some extent, and the luggage space can be expanded.

According to the third aspect of the present invention, manufacturing of the temporary holding member,
Handling becomes easy, and the stopper can be temporarily and easily temporarily held at the upper end of the inner cylinder of the insulator.

According to the fourth aspect of the invention, in addition to the effect of the third aspect of the present invention, the temporary holding operation of the stopper by the temporary holding member can be performed more easily, and the workability can be further improved.

According to the fifth aspect of the invention, in addition to the effects of the third or fourth aspect, the work of detaching the temporary holding member can be performed without difficulty, and the workability can be further improved.

According to the invention of claim 6, in addition to the effect of the invention of claim 3 or 4, the stopper can be temporarily held in a more stable state, the workability is further improved, and the work of detaching the temporary holding member is performed. , And the workability is further improved from this point.

According to the seventh aspect of the invention, in addition to the effects of any one of the third to sixth aspects, the temporary holding member is made compact, and parts management, transportation, assembly and the like are facilitated.

According to the eighth aspect of the invention, in addition to the effects of any one of the third to seventh aspects, the temporary holding member has no directionality.
The assembling work can be made easier.

[0037]

FIG. 1 corresponds to FIG. 9 and is a schematic enlarged side view of a suspension apparatus to which an embodiment of the present invention is applied, and FIG. 2 is an enlarged sectional view of a main part corresponding to FIG. FIG. 3 is a cross-sectional view mainly showing the insulator. still,
Components corresponding to those in FIGS. 8 to 10 are denoted by the same reference numerals, and the description thereof will not be repeated.

On the other hand, in one embodiment of the present invention, the stopper 35 is formed in a flat plate shape as shown in FIGS.
a is opposed to the outer cylinder 21 side of the insulator 5 with an interval S, and as shown in FIG.
5 is temporarily held at the upper end of the inner cylinder 19 by the temporary holding member 37.

The stopper 35 has a circular flat plate shape as shown in FIG. In the center, the inner peripheral hole 1 of the inner cylinder 19
A center hole 35b having substantially the same size as that of the center hole 9a is provided. Around the center hole 35b, an abutment surface 35c that abuts on the rear side member 7 is provided.

The temporary holding member 37 is as shown in FIG. 5, and is formed of an elastic material, for example, rubber. Other examples of the elastic body include cork, foam material, synthetic resin, and the like. When the temporary holding member 37 is formed of an elastic body, it can be recycled.

The temporary holding member body 38 of the temporary holding member 37
Is composed of a fitting portion 39 and upper and lower engaging portions 41, and is formed into a symmetrical shape with the fitting portion 39 interposed therebetween.
At least the fitting portion 39 of the temporary holding member main body 38 is formed in a rectangular cross section with a rectangular cross section. However, in the present embodiment, the entirety including the engaging portion 41 is formed in a rectangular cross section. Further, the engaging portion 41 is slightly tapered.

The height of the fitting portion 39 is the same as that of the stopper 3
5, and the height of the engaging portion 41 is substantially equal to the height of the fitting portion 39. Therefore, the overall size does not become unnecessarily large, it is compact, and handling in parts management, transportation, assembly and the like is easy.

The engaging portion 41 may be provided only on one side of the fitting portion 39, and the height of the fitting portion 39 and the height of the engaging portion 41 may be different. Further, it is possible to make the height of the fitting portion 39 smaller or larger than the thickness of the stopper 35. Further, the sectional shape of the temporary holding member main body 38 is not limited to a quadrangle, and can be set arbitrarily, such as a triangle, a pentagon, other polygons, a circle, an ellipse, and the like. The engaging portion 41 is not formed into a tapered shape, and the fitting portion 39 is not formed.
It can also be formed straight as it is.

In assembling, as shown in FIG. 6, the temporary holding member 7 is fitted in the center hole 35b of the stopper 35 in advance. This fitting is performed by fitting the fitting portion 39 of the temporary holding member main body 38 into the center hole 35b of the stopper 35. At this time, since the temporary holding member main body 38 has a quadrangular cross-section, the temporary holding member main body 38 comes into contact with the circular center hole 35b at four corners, and the temporary holding member main body 38 is stable without falling down with respect to the stopper 35. Can be fitted.
Also, at this time, since the engaging portions 41 are provided symmetrically above and below the fitting portion 39, there is no directionality and the fitting operation is extremely easy.

Next, the stopper 35 is connected to the insulator 5
The engaging portion 41 is fitted to the inner peripheral hole 19 a of the inner cylinder 19 so as to be placed on the upper end of the inner cylinder 19. As a result, the stopper 35 is temporarily held on the insulator 5.

In these operations, the temporary holding member main body 3
Since rubber 8 is used, the operation can be performed extremely easily and reliably. Further, since the engaging portion 41 is tapered, the center hole 35a of the stopper 35 and the inner peripheral hole 1 of the inner cylinder 19 are formed.
9a can be quickly and easily fitted.

In this way, the suspension member 1
The stopper 35 is temporarily held on the insulators 3 and 5 supported on the side by a temporary holding member 37, the suspension device is lifted by a lifter or the like, and assembled to the lower surface of the rear side member 7.

The operation procedure will be described with reference to the schematic diagram of FIG. 7. The suspension device supported by a lifter or the like is arranged below the rear side member, and temporarily placed below the weld bolt 27 as shown in FIG. The holding member 37 is opposed. Since the stopper 35 is stably temporarily held on the inner cylinder 19 by the temporary holding member 37 when the suspension device is moved in this manner, the stopper 35 does not shift from the inner cylinder 19 due to a slight impact, It can be easily performed by rough work. In particular, since the temporary holding member 37 is formed of rubber, the fitting state to the stopper 35 and the inner cylinder 19 can be performed relatively densely, and reliable work can be easily performed by stronger temporary holding. Can be.

Next, when the suspension device is raised by the lifter, the lower end of the weld bolt 27 abuts on the upper surface of the engaging portion 41 of the temporary holding member main body 38. When the suspension device is further pushed up, the temporary holding member 37 is moved by the weld bolt 27 as shown in FIG.
As shown in FIG. 7B, the temporary holding member 37 is detached as shown in FIG. 7C by being pushed in and the weld bolt 27 penetrating through the inner cylinder 19.

At the time of such detachment, the temporary holding member 37 comes into contact with the center hole 35a and the inner peripheral hole 19a by the corners, and the temporary holding member main body 38 is made of rubber, so that the temporary holding member 37 can be easily and easily separated. It can be done automatically and the work is very simple.

Further, at the time of this detachment, the temporary holding member main body 38 moves the inner cylinder 19, but since the engaging portion 41 is tapered,
It can be moved very easily by the guide function, and the detachment can be easily and reliably performed from this point.

Further, since the upper surface of the engaging portion 41 is square, a large area can be secured and the weld bolt 2
7 can be reliably received, and a reliable separation operation can be achieved. Since the detached temporary holding member 37 is formed of rubber, it can be recycled.

Next, a washer 29 is attached to the lower end of the inner cylinder 19.
By arranging the stopper 33 and fastening the nut 31, it is possible to assemble it as shown in FIG. 2, and the suspension member 1 can be elastically supported on the lower surface of the rear side member 7.

In such a supporting state, there is almost no gap between the stopper 35 and the lower surface of the rear side member 7, so that the rear side member 7 can be lowered while the minimum ground clearance is secured, and the space for the cargo room can be expanded. It is possible.

In the above embodiment, the temporary holding of the stopper 35 is applied to both the front and rear insulators 3 and 5, but it is also possible to apply the temporary holding to only one of the insulators. Further, in the above-described embodiment, the stopper 35 is applied to a plate-shaped stopper. However, the stopper 35 can be applied to a conventional hat-shaped stopper. In this case, due to the presence of the temporary holding member, the temporary holding of the stopper with respect to the inner cylinder can be performed more reliably, and the assembly can be easily performed with a rougher operation.

[Brief description of the drawings]

FIG. 1 is an enlarged side view of a main part of a rear suspension device to which an embodiment of the present invention is applied.

FIG. 2 is a sectional view of a main part according to an embodiment of the present invention.

FIG. 3 is a sectional view of a state where a stopper is temporarily held on an insulator.

4A is a plan view of a stopper, and FIG. 4B is a cross-sectional view of FIG.

5A is a plan view of a temporary holding member, and FIG. 5B is a side view.

FIG. 6 is an operation explanatory view.

FIGS. 7A and 7B are operation explanatory views, wherein FIG. 7A is a perspective view showing a relationship between a state in which a stopper is temporarily held on an insulator and a weld bolt, and FIG. 7B is a perspective view in a state in which the weld bolt is pushing a temporary holding member; FIG. 7C is a perspective view showing a state where the temporary holding member is detached.

FIG. 8 is an overall perspective view of a rear suspension device according to a conventional example.

FIG. 9 is a schematic enlarged side view of a rear suspension device according to a conventional example.

FIG. 10 is a sectional view of a main part according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Suspension member 3, 5 Insulator 7 Rear side member (body frame member) 19 Inner cylinder 19a Inner peripheral hole 21 Outer cylinder 23 Rubber 27 Weld bolt (fastener) 35 Stopper 35a Peripheral edge 35b Center hole 37 Temporary holding member 38 Temporary holding member body 39 fitting part 41 engaging part

Claims (8)

[Claims] An insulator having an inner cylinder and an outer cylinder, a stopper sandwiched between an upper end of the inner cylinder and a vehicle body frame member, and having a peripheral side opposed to the outer cylinder at a predetermined interval; A suspension member integrally supported on the outer cylinder side, wherein a fastener projecting from the vehicle body frame member side is inserted through a center hole of the stopper and an inner peripheral hole of the inner cylinder to form a suspension member of the vehicle body frame member. In a member support structure for elastically supporting the lower surface, before assembling the suspension member to the vehicle body frame member, a lower portion of the temporary holding member which is previously fitted in a center hole of the stopper so as to be freely detachable is an upper end of the inner cylinder. The stopper is temporarily held by the insulator by being fitted into the inner peripheral hole, and when the suspension member is assembled to the vehicle body frame member, the fastener on the vehicle body frame member side is used as a fastener. It pushed the holding member, the method of assembling the members supporting structure, characterized in that disengaging the temporary holding member by the fastener penetrates the inner cylinder. 2. The method for assembling a member supporting structure according to claim 1, wherein said stopper has a flat plate shape. 3. An insulator having an inner cylinder and an outer cylinder, and a stopper sandwiched between an upper end of the inner cylinder and a vehicle body frame member and having a peripheral side opposed to the outer cylinder side at a predetermined interval. And a fastener projecting from the vehicle body frame member side is inserted into a suspension member integrally supported on the outer cylinder side through a center hole of the stopper and an inner peripheral hole of the inner cylinder. The suspension member is used for assembling a member support structure that elastically supports the lower surface, and the suspension member is fitted in a center hole of the stopper and an inner peripheral hole of the inner cylinder in a detachable manner before assembling to the body frame member. A temporary holding member main body for temporarily holding the stopper on an insulator is formed of an elastic body. 4. The temporary holding member according to claim 3, wherein the temporary holding member main body has a fitting portion that fits into a center hole of the stopper, and the temporary holding member main body protrudes integrally from the fitting portion. A temporary holding member comprising: an engaging portion fitted into an inner peripheral hole of the inner cylinder, wherein the engaging portion is tapered. 5. The temporary holding member according to claim 3, wherein at least the fitting portion of the temporary holding member main body has a rectangular cross section. 6. The temporary holding member according to claim 3, wherein the temporary holding member main body has a rectangular cross section as a whole. 7. The temporary holding member according to claim 3, wherein a height of the fitting portion is substantially equal to a thickness of the stopper, and a height of the engaging portion. Is a height substantially equal to the height of the fitting portion. 8. The temporary holding member according to claim 3, wherein the temporary holding member main body has a symmetric shape in which engagement portions are formed on both sides of the fitting portion. Temporary holding member.