KR19980043327A - Shock Absorber of Automobile Bumper - Google Patents

Abstract

The present invention relates to a shock absorber of an automobile bumper, which is applied to a commercial vehicle such as a truck or a bus in a vehicle, and separates and combines a bumper made of a metallic material having a shock or shock absorbing function, thereby improving shock absorption and resilience. It is bent into a predetermined shape so that the support hole for the support of the center bumper and the fastening hole for fastening to the vehicle body frame are fixed to the bracket by the fixing hole for fixing the torsion spring at both ends. A center bumper through which the inner plate and a support bolt of a predetermined length inserted into the support hole of the inner plate and fastened to the nut are projected on both sides and the reinforcement frame are joined and reinforced and held by an elastic spring; Increase of bearing capacity of center bumper carried by elastic spring on inner plate A guide part for guiding the copper and a torsion spring fixed to both ends of the inner plate are provided, and a reinforcement panel is installed therein, and one end portion is integrally provided at both ends of the center bumper to control the rotation. A side bumper, a fixed plate fixed to both ends of the inner plate and axially coupled to the rotatable structure, and the side bumper being axially coupled to the fixed plate to a center bumper by a torsion spring providing an elastic force. The elastic spring and the torsion spring absorb the shocks and the center bumper is returned.The bumper fixed to the vehicle's body frame can be easily absorbed by shocks or collisions. Restoration of bumper deformed by impact Is improved relates to a shock absorber for a car bumper that can be prevented from being degraded appearance of the vehicle due to breakage of the bumper.

Description

Shock Absorber of Automobile Bumper

The present invention relates to a shock absorber of a bumper for a vehicle, and is applied to a commercial vehicle such as a truck or a bus in a vehicle to separate and combine a bumper made of a metallic material having a shock or shock absorbing function so that the shock absorbing function and resilience are improved. A shock absorber of an automobile bumper is provided.

In general, the bumper of the car is firmly fixed to the front and rear body of the car to absorb the shock transmitted to the body from the collision or shock of the car to ensure the maximum safety of the occupants and various shapes according to the use and type of the car. The bumper has been developed and applied.

The bumper applied to a commercial vehicle such as a truck or a bus may move a bumper made of metal in accordance with the driving conditions of the vehicle. It is fixed to the rear side to absorb shocks from collision or impact of the car so that the protection of the car body and the occupants can be protected.

On the other hand, as described above, the bumper applied to a commercial vehicle such as a truck or a bus is manufactured as a single body in a predetermined shape and installed firmly by fastening the body frame and bolts inside.

However, the bumper fastened in this way is excellent in the fixing force of the bumper fixed to the vehicle body and has excellent rigidity, but the absorption of the shock applied to the vehicle is weak due to the weak absorption of the impact applied from the outside. Unreasonable problems have arisen.

Also, due to the characteristics of the bumper, the rigidity of the deformed bumper is weak because it is composed of a metal material having good rigidity, and thus, the appearance of the entire vehicle is degraded due to the poor appearance of the bumper.

Therefore, the present invention is to solve the above problems, the bumper is fixed to the vehicle body frame of the vehicle is easy to absorb the shock applied by the impact or collision can ensure the maximum protection of the vehicle body and the safety of the occupants and the impact It is an object of the present invention to provide a shock absorbing device for a bumper for a vehicle that can improve the restoring force of the bumper deformed by the bumper and thereby prevent the appearance of the vehicle from being degraded due to breakage of the bumper.

1 is an exploded perspective view showing a bumper according to the present invention

Figure 2 is a plan sectional view showing a coupled state of the bumper according to the present invention

3 is a plan sectional view showing an operating state of the bumper according to the present invention.

* Description of the symbols for the main parts of the drawings *

10 .--- Center Bumper11 .--- Reinforcement Frame

12 .--- Support Bolt 20 .--- Inner Plate

21 .--- Supporters

23 .--- Fixed hole 30 .--- Fixed bracket

40 .--- torsion spring 50 .--- elastic spring

60 .--- Guide Part 61 .--- Lock

62 .--- Rotator 63 .--- Fixed

64 .--- Space 70 .--- Side bumper

71 .--- Reinforcement panel 72 .--- Connection

80 .--- Axis 100 .--- Body frame

In order to achieve the above object, the present invention is bent in a predetermined shape and a predetermined position on both sides of the center portion of the support hole for the support of the center bumper and a fastening hole for fastening to the vehicle body frame are fixed by fixing brackets. The inner plate through which the fixing hole for fixing the torsion spring is passed, and the reinforcing frame protruding from both sides of the support bolt of a predetermined length inserted into the support hole of the inner plate and fastened to the nut and the reinforcing frame are reinforced and elastic A center bumper carried by a spring, a guide part for guiding the increase and movement of the support force of the center bumper carried by an elastic spring on the inner plate, and a torsion spring fixed to both ends of the inner plate and held therein. A reinforcement panel is built in, and one end is inserted into both ends of the center bumper. And a side bumper having a connecting part integrally provided to control the rotation, a fixed plate fixed to both ends of the inner plate and axially coupled to the side bumper in a rotatable structure, and the side bumper being axially coupled to the fixed plate to have elastic force. The intended purpose is achieved by absorbing the shock applied to the center bumper by the torsion spring providing the torsion spring and the torsion spring to return the center bumper.

Guide portion of the present invention as described above is fastened to the fastening hole of the inner plate and the fixing portion formed with a space for the movement and guide of the guide ring, the operating ring and the moving ring is inserted into the fixed portion of the fixed portion is moved It has a feature consisting of a rotating body axially coupled to the structure rotatable at both ends of the center bumper.

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

Figure 1 is an exploded perspective view showing a bumper according to the present invention and Figure 2 is a cross-sectional view showing a coupled state of the bumper according to the present invention is bent in a predetermined shape as shown and the center bumper 10 at a predetermined position on both sides of the center portion The fastening hole 22 for fastening to the support hole 21 and the body frame 100 for the support of the penetrating is fixed by the fixing bracket 30 and the fixing hole for fixing the torsion spring 40 at both ends ( The inner plate 20 through which the 23 is penetrated, and the reinforcing frame 11 having a predetermined length of the support bolt 12 inserted into the support hole 21 of the inner plate 20 and fastened to the nut 13 on both sides thereof. ) And the reinforcement frame 11 is coupled and reinforced and the center bumper 10 supported by the elastic spring 50 and the center bumper 10 supported by the elastic spring 50 on the inner plate 20. A guide unit 60 for guiding an increase and a support force of the When the inner plate 20 is supported by the torsion spring 40 fixed to both ends, the reinforcement panel 71 is installed therein, and at one end thereof is inserted into both ends of the center bumper 10 to control rotation. A fixed plate 73 having a side bumper 70 integrally provided with an end portion 72, fixed to both ends of the inner plate 20, and coupled to a shaft 80 in a structure in which the side bumper 70 is rotatable; The side bumper 70 is configured to absorb the shock of the center bumper 10 by the torsion spring 40 coupled to the fixing plate 73 to provide an elastic force and to return the center bumper 10 to the fixed plate 73. to be.

Guide portion 60 of the present invention as described above is fastened to the fastening hole 22 of the inner plate 20 and the fixing portion 63 is formed with a space 64 for the movement and guidance of the fixing ring 61 and The shaft 80 is coupled to the fixing ring 61 and the fixing ring 61 which are inserted into the space 64 of the fixing part 63 and the fixing ring 61 in a rotatable structure at both ends of the center bumper 10. It consists of the rotating body 62.

Referring to the operation of the present invention as described above is as follows.

As shown in FIG. 3, the inner plate 20 fixed to the vehicle body frame 100 is supported by both sides of the vehicle body frame 100 by fixing brackets 30 to fastening holes 22 penetrating to both sides. Direction and is fixed toward the front or rear of the vehicle.

In the center bumper 10 fastened to the front of the inner plate 20, the support bolt 12 of the center bumper 10 is inserted into the support hole 21 of the inner plate 20 to fasten the nut 13. It is fixed by the elastic spring 50 inserted into the support bolt 12, the inner plate 20 and the center frame 10 of the reinforcement frame 11 of the center bumper 10 by holding the center bumper 10 is the inner plate 20 Keep a certain distance from the burnt.

At this time, the center bumper 10 has a rotatable structure on both sides thereof, and the inner plate 20 and the supporting force are increased by the guide part 60 formed of the rotating body 62 and the fixing ring 61 coupled to the shaft 80. And a fixing ring 61 constituting the guide part 60 to be inserted into the space 64 of the fixing part 63 fixed to the inner plate 20 to move the space 64. The movement of the center bumper 10 is controlled by 61.

On the other hand, the side bumper 70 inserted into both sides of the center bumper 10 to control the rotation is rotatable to the fixed plate 73 fixed to both ends of the inner plate 20 fixed to the vehicle body frame 100. The shaft 80 is coupled to the fixed plate 73 together with the side bumper 70 to the torsion spring 40 coupled to the shaft 80 to provide elastic force to the fixed plate 73 and the side bumper 70. Coupled to provide the elastic force of the torsion spring 40.

At this time, the side bumper 70 has increased rigidity by the reinforcement panel 71 coupled to the inside and the connection portion 72 provided at one end is inserted into both ends of the center bumper 10 to the shaft 80 The rotation of the side bumper 70 carried by the torsion spring 40 is limited, and thus the elastic force acting on the side bumper 70 supports both sides of the center bumper 10 so that Ammunition power is increased.

Referring to the operation relationship of the present invention as described above is as follows.

First, when an impact is applied to the center bumper 10, the center bumper 10 is moved inward along the support hole 21 of the inner plate 20 with the support bolt 12 as an axis, and at the same time, the support bolt 12 The elastic spring 50 inserted in the compressed and absorbs the generated shock.

At the same time, the side bumpers 70 installed on both sides of the center bumper 10 are rotated in the opposite direction in which the torsion spring 40 is torsionally formed about the shaft 80 by the connection portion 72 on one side, and the center bumper The amount of absorption of the shock applied to (10) is increased.

In addition, the fixing ring 61, which is a guide part 60 provided between the center bumper 10 and the inner plate 20, is moved along the space 64 of the fixing part 63, so that the center bumper ( 10 is limited in the movement range and at the same time the movement of the center bumper 10 is completed and the impact applied to the center bumper 10 is removed, the elastic spring 50 inserted into the support bolt 12 and the side bumpers on both sides ( When the center bumper 10 is returned to its original position by the torsion spring 40 supporting the 70, the side bumper 70 pivoted about the shaft 80 is rotated to the original position, thereby forming the entire bumper shape. Is returned to its original state.

When the shock absorber of the bumper for automobiles of the present invention as described above is provided, the bumper fixed to the vehicle body frame of the vehicle can be easily absorbed by shocks or collisions, thereby ensuring the protection of the vehicle body and the occupant's safety as much as possible. The restoring force of the bumper deformed by the impact is improved to provide an advantage of preventing the appearance of the vehicle from being lowered due to breakage of the bumper.

Claims (2)

It is bent into a predetermined shape and a predetermined hole on both sides of the center portion of the fixing hole 30 is passed through the support hole 21 for the support of the center bumper 10 and the fastening hole 22 for fastening to the vehicle body frame 100. It is fixed to the both ends of the inner plate 20 through which the fixing hole 23 for fixing the torsion spring 40 and inserted into the support hole 21 of the inner plate 20 is fastened to the nut 13 A reinforcement frame 11 having a predetermined length of the support bolts 12 protruded on both sides and the reinforcement frame 11 are coupled to and reinforced by a center bumper 10 supported by an elastic spring 50 and the inner plate ( 20 to the guide portion 60 for guiding the increase and support of the support force of the center bumper 10 carried by the elastic spring 50, and the torsion spring 40 fixed to both ends of the inner plate 20 It is hardened by the reinforcement panel 71 in the interior and one end of the center Side bumpers 70 are integrally provided at both ends of the bumper 10 and integrally provided with connection portions 72 for controlling rotation, and the side bumpers 70 are fixed to both ends of the inner plate 20. The fixed plate 73 is coupled to the shaft 80 in the structure, and the side bumper 70 is coupled to the fixed plate 73 by the shaft 80 by the torsion spring 40 to provide an elastic force to the center bumper 10 Shock absorber of the bumper for cars, characterized in that to absorb the impact of the center bumper (10) to return. The method of claim 1, The guide part 60 is fastened to the fastening hole 22 of the inner plate 20 and has a fixing part 63 having a space 64 for moving and guiding the fixing ring 61 and the fixing part ( Rotating body 62 for coupling the fixed ring 61 and the fixed ring 61 is inserted into the space portion 64 of the space 63 and the shaft 80 in a rotatable structure to both ends of the center bumper (10) Shock absorber of the automobile bumper, characterized in that consisting of.