KR100857648B1 - Cup for bump stopper of vehicle - Google Patents

Abstract

A cup for a bump stopper of a vehicle is provided to act load on the bump stopper vertically at all time by installing the cup having a leaf spring and a hinge on the bump stopper. A cup for a bump stopper of a vehicle comprises an outer cup(110), an inner cup(120), and a hinge(140), and a leaf spring(130). The outer cup is provided with a plurality of holes(111) at one side. The inner cup is provided with a hinge hole(121) crossing the lateral surface of the top part. The hinge passes through the hole and the hinge hole. The leaf spring is installed on the upper surface of the inner cup and fixed by a number of fixing members(122).

Description

Cup for bump stopper of vehicle {Cup for bump stopper of vehicle}

1 is an exploded perspective view showing a cup for an automobile bump stopper according to the present invention;

2 is a combined perspective view of the cup of the present invention viewed from above and below,

Figure 3 is a side cross-sectional view showing a cup of the present invention,

4 is an operation diagram showing an operating state of the bump stopper equipped with the cup of the present invention,

5a to 5b is an operation diagram showing an operating state of the conventional bump stopper.

<Description of the symbols for the main parts of the drawings>

100: cup 110: outer cup

111: through hole 120: inner cup

121: hinge hole 122: fixed end

130: leaf spring 140: hinge

200: bump stopper

The present invention relates to a cup for an automobile bump stopper, and more particularly, a cup comprising a leaf spring and a hinge is mounted on an upper end of a bump stopper so that the bump stopper moves according to the rotational movement of the trailing arm. It relates to a cup for an automobile bump stopper in which the bump stopper is always loaded in the vertical direction.

In general, a suspension device of a vehicle is a device that connects the axle and the body so that the vibration or shock received from the road surface is not directly transmitted to the vehicle body when the vehicle is driven, thereby preventing damage to the vehicle body or the load and improving ride comfort.

In particular, the front suspension device connects between the frame and the axle to support the weight of the vehicle, absorbs vibrations generated from the wheels, and at the same time, some steering device of the vehicle is installed. In addition, according to the type of the front axle is divided into axle suspension and independent suspension type, when the importance of riding comfort or maneuverability is usually used, the axle suspension expression is used a lot in the bus or truck.

The most typical independent suspension front suspension is the wishbone type, which has two arms of V-shape mounted on the frame by the shaft, and the ends of each arm are connected by ball joints. It is coupled to the steering knuckle of the wheel.

Another independent suspension type front suspension is the McPherson strut type, which does not have an upper arm unlike the wishbone type, and instead the lower arm of the strut with shock absorbers is connected to the lower arm. . The struts are connected to a suspension made of rubber, which uses the elasticity of the rubber to absorb shocks to minimize the impact on the tires when the vehicle is driven.

In such suspensions, of the components of the suspension mounted on the wheels, the springs support the up and down loads of the vehicle, and the bump stoppers are mounted so as to have a constant distance from the axle contact surface between the vehicle body and the suspension axle, It supports a higher load among the up and down loads applied to prevent further rear wheels from rising.

These bump stoppers are made of rubber or urethane, and the bump stoppers made of urethane have a lower initial inclination on the load displacement diagram than rubber, thus providing a smooth ride compared to the bump bumpers made of rubber.

5A is an operation view showing an operating state at a tolerance of a conventional bump stopper, FIG. 5B is an enlarged view showing an operating state when contacting a spring seat assembly, and FIG. FIG. 5D is an operation diagram illustrating an operation state at full bump.

As shown in FIGS. 5A-5D, the spring seat assembly 21 rotates about the mounting point at the end of the trailing arm 20, so that the surface contacting the bump stopper 200 is inclined. There is a problem that the condition that the bump stopper 200 receives the load in the vertical direction is limited and affects durability.

The present invention has been invented to solve the above problems, by mounting a cup containing a hinge on the top so that the bump stopper can move along the rotational movement of the spring seat assembly, the bump stopper in the vertical direction under any conditions The object is to provide a cup for an automobile bump stopper that can be loaded.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

In order to achieve the above object, the present invention includes an outer cup provided with a plurality of through holes on one side, an inner cup provided with a hinge hole across the side of the upper end, and a hinge penetrating the through hole and the hinge hole. In the cup for automobile bump stopper to say,
It provides a cup bumper for automobile bumper characterized in that it further comprises a plurality of fixed end protruding on the top surface of the inner cup, and a leaf spring supported by the fixed end.
In addition, the fixed end is characterized in that formed on one side of the upper surface of the inner cup on the basis of the hinge hole.

delete

delete

In addition, according to the present invention, the bumper bumper includes an outer cup having a plurality of through holes on one side thereof, an inner cup having a hinge hole crossing the side surface of the upper end portion, and a hinge penetrating the through hole and the hinge hole. In the cup, the outer cup is characterized in that a portion of the inner bottom surface is formed to be inclined upward.

There may be a plurality of embodiments of the present invention, the following will be described in detail with respect to a preferred embodiment.

In addition, in drawing used for description, the same code | symbol is attached | subjected about the part same as a prior art, and the overlapping description may be abbreviate | omitted.

Through this preferred embodiment will be able to better understand the object, features and advantages of the present invention, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is an exploded perspective view illustrating a cup for an automobile bump stopper according to the present invention, FIG. 2 is a perspective view showing a cup of the present invention viewed from above and below, and FIG. 3 is a side cross-sectional view of the cup of the present invention. 4 is an operation diagram showing an operating state of the bump stopper equipped with the cup of the present invention.

According to the present invention, the bump stopper 200 is mounted to the cup 100 so that the bump stopper 200 moves according to the rotational movement of the spring seat assembly 21, thereby allowing the bump stopper 200 and the spring seat assembly ( The main point is to ensure that the plane of contact 21 is always horizontal.

In more detail, the present invention, the outer cup 110, the inner cup 120, the leaf spring 130 and the hinge (top) on the upper end of the bump stopper 200 for absorbing the load in the vertical direction transmitted from the wheel to the vehicle body The cup 100 including the 140 is mounted to allow the bump stopper 200 to move according to the rotational movement of the spring seat assembly 21, thereby contacting the bump stopper 200 with the spring seat assembly 21. In parallel with this, the bump stopper 200 is always loaded in the vertical direction.

The cup 100 includes a hinge 140 and a leaf spring 130 in the inner cup 120 into which the upper end of the outer cup 110 and the bump stopper 200 mounted to the vehicle body is inserted.

First, as shown in Figure 1, the inner cup 120 is formed in a circular shape having a predetermined thickness of the upper end, the side is formed at a predetermined height along the outer periphery of the upper end, the upper end of the cup 100 is in close contact It is composed of possible forms.

The upper end of the inner cup 120 formed to have a predetermined thickness is provided with a hinge hole 121 that traverses the center through the side, and two fixed ends 122 are formed on the upper surface.

The fixed end 122 is formed to protrude at a predetermined interval so that the leaf spring 130 is interposed, the leaf spring 130 is fixed to both of the fixed end 122.

At this time, as shown in Figure 1, the leaf spring 130 is formed on the right side with respect to the hinge hole 121, preferably the leaf spring 130 is positioned in parallel with the hinge hole 121 The fixed end 122 is arranged to be configured.

On the other hand, like the inner cup 120, the outer cup 110 is also formed in a circular shape of a certain thickness of the upper end, the side is formed at a predetermined height along the outer periphery of the upper end, the inner cup 120 is seated therein It is configured to be assembled.

At this time, as shown in Figure 3, the leaf spring 130 provided on the upper surface of the inner cup 120 is not pressed on the inner bottom surface of the outer cup 110, the side where the leaf spring 130 is located The outer surface of the outer cup 110 is formed to be inclined upwardly toward the outer peripheral side from the center.

In addition, two through-holes 111 are formed on the side of the outer cup 110 to be positioned in a straight line across the inner center.

After the upper end of the inner cup 120 is inserted into the outer cup 110 configured as described above, and the positions of the hinge hole 121 and the through hole 111 are coincident with each other, the long and thin rod-shaped hinge 140 is formed. Is used to assemble the cup 100 as shown in FIGS. 1 and 2.

Hereinafter, the operating state of the cup for automobile bump stopper according to the present invention configured as described above are as follows.

First, the upper end of the bump stopper 200 is pushed into the inner cup 120 of the cup 100 assembled as described above so as not to fall out, and the cup 100 is fixed to the vehicle body by bolting.

When the vehicle is impacted from the road surface due to driving or the like, the shock is transmitted through the wheels and the vehicle body is shaken.

Then, a shock load from the wheel to the vehicle body is applied to the bump stopper 200, and the bump stopper 200 made of a shock absorber such as rubber and urethane absorbs the load in the vertical direction while being supported by the spring seat assembly 21. Done.

As shown in FIG. 4, when the trailing arm 20 rotates about the mounting point, the spring seat assembly 21 configured at the end of the trailing arm 20 also moves.

Then, the bump stopper 200 with the spring seat assembly 21 with the hinge 140 penetrating through the through hole 111 of the outer cup 110 and the hinge hole 121 of the inner cup 120 as an axis. The bump stopper 200 and the contact surface of the spring seat assembly 21 are always parallel.

At this time, the bump stopper 200 is moved together with the inner cup 120, the leaf spring 130 on the upper surface of the inner cup 120 is pressed while touching the lower surface inclined upward in the outer cup 110. Will be lost.

In addition, when the bump stopper 200 moves to its original position along the rotational movement of the spring sheet assembly 21, the elasticity of the leaf spring 130 is acted to restore easily.

As such, the cup 100 is mounted on the bump stopper 200 so that the contact angles of the bump stopper 200 and the spring seat assembly 21 coincide with each other so that the bump stopper 200 is vertical in any condition. Under load.

While the invention has been shown and described with respect to certain preferred embodiments, the invention is not limited to these embodiments, and those of ordinary skill in the art claim the invention as claimed in the appended claims. It includes all embodiments of the various forms that can be carried out without departing from the spirit.

As described above, the bumper stopper cup according to the present invention is the bump stopper is moved along the rotational movement of the spring seat assembly, the contact angle of the spring seat assembly and the bump stopper is matched, so that the bump stopper is always in the vertical direction As a result, the load from the vehicle body is absorbed evenly by the bump stopper, thereby reducing the damage of the bump stopper and increasing the service life.

In addition, by the leaf spring inside the cup, the bump stopper and the spring seat assembly have an effect of reducing the impact during the initial contact, thereby improving the riding comfort.

Claims (4)

delete In the cup for an automobile bump stopper including an outer cup having a plurality of through holes on one side, an inner cup having a hinge hole across the side of the upper end, and a hinge penetrating the through hole and the hinge hole, And a plurality of fixed ends protruding from the top surface of the inner cup, and leaf springs supported and fixed to the fixed ends. The cup bumper of claim 2, wherein the fixing end is formed at one side of an upper end surface of the inner cup based on a hinge hole. In the cup for an automobile bump stopper including an outer cup having a plurality of through holes on one side, an inner cup having a hinge hole across the side of the upper end, and a hinge penetrating the through hole and the hinge hole, The outer cup is a bumper cup for automobile, characterized in that a portion of the inner bottom surface is formed to be inclined upward.

Images