KR101220572B1

KR101220572B1 - Vehicle which has a impact absorption function

Info

Publication number: KR101220572B1
Application number: KR20100136137A
Authority: KR
Inventors: 이홍우; 김재현; 이현영; 강연식
Original assignee: 주식회사 포스코
Priority date: 2010-12-28
Filing date: 2010-12-28
Publication date: 2013-01-21
Also published as: KR20120074340A

Abstract

An automobile having a shock absorbing function according to an embodiment of the present invention absorbs a shock through a shock applying means to which an external load is applied and at least one side of the shock applying means and a shock deformation generated in an external load direction of the element. A shock absorbing device including a shock absorbing means provided; And a vehicle body member provided with the shock absorbing device.

Description

Vehicle which has a impact absorption function

The present invention relates to a vehicle having a shock absorbing function, and more particularly to a vehicle having a shock absorbing function to reduce the external load due to the impact by using the expansion phenomenon.

In general, various safety facilities such as guardrails and median are installed on the road in case of accidents.

In addition, the road is also equipped with facilities other than the safety facilities such as underground roads, overpasses, tunnels and bridges, and these facilities may collide with the car due to the carelessness of the driver.

When a traffic accident occurs due to a collision between a vehicle and the above facilities, a huge amount of impact energy is applied to the accident vehicle, which causes not only damage to the vehicle but also human injury.

Therefore, in order to reduce personal injury and damage to the vehicle, various safety facilities are constructed to absorb the impact energy upon impact with the vehicle.

However, when a vehicle collides with a general structure or another vehicle that is not a safety facility, it must absorb shock energy inside the vehicle.

Therefore, various methods for absorbing the impact energy applied to the vehicle are considered, and typically, there is a method of absorbing the impact energy using a material having excellent energy absorption performance.

However, there is a limit to absorbing all the impact energy generated only by the energy absorption characteristics of the material, and in most cases, the thickness of the material is selected to compensate for this.

This is directly related to the increase in the weight of the car body, and it is difficult to improve the fuel efficiency of automobiles, which is being recently issued.

In order to solve this problem, it is necessary to provide an additional shock energy absorber so that the energy absorption performance of the vehicle can be improved.

An object of the present invention is to provide a vehicle having a shock absorbing function for reducing the external load caused by the impact by the impact applying means and the shock absorbing means constituting the shock absorbing device.

In addition, the shock absorbing means of the vehicle having a shock absorbing function according to an embodiment of the present invention absorbs the shock by the expansion of the movable body and the movable body moved in the direction of the external load by the tension of the impact applying means. It may be characterized by providing a tube to expand.

In addition, the impact applying means of the vehicle having a shock absorbing function according to an embodiment of the present invention is an impact applying plate to which an external load is directly applied and an impact transferring the external load applied to the impact applying plate to the shock absorbing means. It may be characterized by providing a delivery body.

In addition, the vehicle having a shock absorbing function according to an embodiment of the present invention is coupled to the shock absorbing means and the other end is coupled to the vehicle body member so that the impact applying plate to maintain the initial application direction of the external load At least one coupling may further include hinge means rotatably coupled.

In addition, the shock absorbing device of the vehicle having a shock absorbing function according to an embodiment of the present invention corresponding to the shape of the body member any one of (-), X (X) and cross (+) Or it may be characterized in that provided in the vehicle body member in the form of a combination.

In addition, the vehicle body member of the vehicle having a shock absorbing function according to an embodiment of the present invention may be characterized in that it provides at least one of the hood member of the front of the vehicle and the side member of the side of the vehicle.
In addition, the shock absorbing means of the vehicle having a shock absorbing function according to an embodiment of the present invention may be characterized in that it is linked to the impact applying means in a symmetrical structure.

An automobile having a shock absorbing function according to the present invention has an effect of reducing external load due to impact by a shock absorbing device composed of a shock applying means and a shock absorbing means.

That is, since the expansion body of the shock absorbing means is expanded to mitigate the impact, it is possible to reduce the direct transmission of external impact energy added to the vehicle body.

In addition, the shock absorbing means may also serve as a protective means for protecting the vehicle occupant by absorbing the external shock.

1 is a schematic cross-sectional view showing a shock absorbing device according to an embodiment of the present invention.
FIG. 2 is an enlarged schematic cross-sectional view of part A of FIG. 1.
3 is an enlarged schematic cross-sectional view of part B of FIG. 1.
Figure 4 is a schematic cross-sectional view showing a case in which the shock absorbing device according to an embodiment of the present invention receives an external load.
5 is a schematic plan view of a vehicle having a shock absorbing function according to an embodiment of the present invention.

Hereinafter, with reference to the drawings will be described in detail a specific embodiment of the present invention. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventive concept. Other embodiments falling within the scope of the inventive concept may readily be suggested, but are also considered to be within the scope of the present invention.

The same reference numerals are used to designate the same components in the same reference numerals in the drawings of the embodiments.

1 is a schematic cross-sectional view showing an impact absorbing apparatus according to an embodiment of the present invention, FIG. 2 is a schematic cross-sectional view showing an enlarged portion A of FIG. 1, FIG. 3 is a schematic enlarged view of a portion B of FIG. 4 is a schematic cross-sectional view showing a case in which the shock absorber according to an embodiment of the present invention receives an external load.

1 to 4, the shock absorbing device 1 according to an embodiment of the present invention may include a shock applying means 10, a shock absorbing means 20 and a hinge means (30).

Specifically, the impact applying means 10 may include an impact applying plate 11 and the impact carrier 12, the shock absorbing means 20 may include a moving body 21 and the expansion body 22. Can be.

The shock absorbing device 1 can reduce the external load (F) by the impact by including the above-described components.

The impact applying means 10 serves to transmit the external load (F) applied to the vehicle by the impact on the external facility or the vehicle to the impact absorbing means (20).

The impact applying means 10 may include an impact applying plate 11 and an impact carrier 12. The impact applying plate 11 is a component that directly receives the external load (F), the impact carrier 12 receives the external load (F) accommodated in the impact applying plate 11 the shock absorbing means ( 20) is the component to pass.

The impact applying plate 11 is advantageously designed in a symmetrical structure on the basis of the external load (F). However, since the external load (F) acts irregularly, the point of action cannot be expected.

Therefore, rather than designing the impact applying plate 11 in anticipation of the action point by the external load (F), the external load by designing in a symmetrical structure for a part of the impact object to be protected against the external load (F) It is preferable to prepare for (F).

Meanwhile, the impact applying plate 11 may be formed of various materials such as aluminum (Al), magnesium (Mg), plastic, as well as general steel, as long as the material can apply the external load (F).

The impact applying plate 11 may be coupled to the impact carrier 12 in order to transfer the applied external load F to the shock absorbing means 20. As the joining method, various methods such as a joining method or a welding method may be used by bolting.

However, as long as the coupling method can maintain the bond with respect to the expected large external load (F), it is not limited to the above method.

One end of the impact carrier 12 may be coupled to the impact applying plate 11, and the other end thereof may be coupled to the impact absorbing means 20. As a result, the external load F applied by the impact applying plate 11 may be transmitted to the shock absorbing means 20.

In addition, since the impact carrier 12 is a component that serves as an intermediate medium for transmitting an external load (F), it may be formed of a material that does not deform in shape by impact and thus has rigid body behavior. That is, the impact carrier 12 may be formed of various rigid materials as well as steel.

On the other hand, the impact carrier 12 and the shock absorbing means 20 may be coupled by a coupling method such as bolting or welding in order to be completely fixed.

The impact carrier 12 may be configured in the form of a wire, but is a rod, a spring, or a bar if the external load F applied from the impact applying plate 11 is transferred to the impact absorbing means 20. It can also be configured in the form and the like.

The impact carrier 12 may be configured in a single number, but may be configured in plurality in accordance with the expected external load F and the rigidity of the impact carrier 12.

That is, if the external load (F) is applied to the shock absorbing means 20, the shape and number of the impact carrier 12 is not limited, it may be configured to deform if necessary.

Shock absorbing means 20 serves to absorb the external load (F) transmitted from the impact applying means (10). That is, the shock absorbing means 20 is connected to one side of the impact applying means 10 to absorb the shock through the deformation of the impact of the element.

The shock absorbing means 20 may be associated with only one side of the impact applying means 10, but a plurality of depending on the expected external load (F) and the shape of the impact object to be installed the shock absorbing device (1) A dog may be associated with the impact applying means 10.

That is, the two shock absorbing means 20 are linked in one (-) form, or the four shock absorbing means 20 are linked in an X (X) form or a cross (+) form. This is possible.

The shock absorbing means 20 may be configured to include a moving body 21 and the expansion tube (22). The movable body 21 moves toward the impact applying plate 11 on which the external load F acts due to the tension T caused by the external load F.

On the other hand, the expansion body 22 surrounding the movable body 21 is absorbed by the external load (F) while the shape is deformed in accordance with the movement of the movable body (21).

In other words, the expansion tube 22 uses a expansion phenomenon to absorb the external load (F). Expansion tube refers to a phenomenon in which the shape of the tube is deformed as the diameter of the tube is expanded, the description thereof will be described later in detail with the description of the expansion tube (22).

The movable body 21 may be formed in a conical shape of a hollow shape. This is for easily inducing expansion of the expansion pipe 22, and means a conical shape in which the diameter decreases in the direction of the impact applying plate 11 to which an external load F is applied.

On the other hand, the movable body 21 is coupled to the impact carrier 12 of the impact applying means 10 to move toward the impact applying plate 11.

That is, since the movable body 21 must move while inducing expansion of the expander 22, the coupling with the impact carrier 12 should provide a coupling force capable of withstanding the expected external load (F).

The movable body 21 may form a through hole through which the impact carrier 12 may penetrate with the impact carrier 12.

On the other hand, the impact carrier 12 is bolted or welded to the end of the impact carrier 12 penetrating the through hole in order to engage with the moving body 21, the diameter 12a larger than the through hole to bolting or welding Can be combined.

However, as long as the coupling structure provides a coupling force that can withstand the external load (F), it is not necessary to combine the movable body 21 and the impact carrier 12 limited to the above structure, various coupling structures can be applied. have.

On the other hand, the movable body 21 may be combined with the expansion tube 22. Since it is necessary to provide only the coupling force required when there is no external impact, it can be combined by welding or bolting, if necessary.

However, when the movable body 21 and the expansion pipe 22 are coupled to each other when the external load F is applied by the impact, the shock absorbing means 20 absorbs the external load F by the expansion phenomenon. Should be easily separated in order to

Therefore, it is necessary to set the coupling force of the movable body 21 and the expansion tube 22 according to the respective loads required when there is no external impact and when there is an external impact.

The expansion pipe 22 may use a expansion phenomenon in order to absorb the external load (F) applied from the impact applying means (10).

To this end, the expansion body 22 may be configured to include a receiving portion 22a capable of accommodating the movable body 21 and an expanding portion 22b which is expanded by the movable body 21.

The receiving portion 22a may have a shape corresponding to the shape of the movable body 21, and the diameter D2 of the expansion pipe 22b is smaller than the maximum diameter D1 of the movable body 21. It may be formed into a cylindrical or cylindrical shape.

In addition, the expansion portion 22b may set the length L of the cylinder or the cylinder according to the expected external load F or the expected moving distance of the moving body 21.

On the other hand, one end of the receiving portion (22a) is connected to the expansion pipe (22b), the other end is coupled to the hinge means 30, or directly coupled to the shock absorber to be installed the shock absorbing device (1) Can be.

In order to absorb the external load (F), the expansion pipe 22 uses a expansion phenomenon. The expansion phenomenon is a phenomenon that occurs when the movable body 21 moves inside the expansion body 22 by an external load (F).

That is, since the diameter D2 of the expansion pipe portion 22b constituting the expansion pipe 22 is smaller than the diameter D1 of the moving body 21, the movable body 21 is formed of the expansion pipe portion 22b. It refers to a phenomenon in which the shape of the expansion pipe portion 22b is deformed so that the diameter D2 is increased while the expansion pipe portion 22b is moved.

In other words, the shock absorbing means 20 is to absorb the impact by changing the impact energy applied to the external load (F) to a deformation energy that deforms the shape of the expansion body (22).

On the other hand, the expansion body 22 may set the material and thickness according to the expected external load (F), it may be composed of a material having a small elastic limit so as not to release the absorbed energy to the outside.

The expansion pipe 22 and the moving body 21 may be formed in a cylindrical shape as described above, but if the structure is capable of absorbing the impact using the expansion phenomenon, such as a triangular pillar, a square pillar, etc. It can also be configured as a structure.

The hinge means 30 is such that the impact applying plate 11 of the impact applying means 10 maintains the initial application direction of the external load F in order to receive the external load F by the impact in the same direction. Play a role.

To this end, one end is coupled to the shock absorbing means 20 and the other end is coupled to the impact object, and at least one coupling should be rotatably coupled. In order to configure the hinge means 30 to be rotatable, a rotary pin 30b may be inserted into the hinge means 30 to be combined with the shock absorbing means 20 or the impact object, but is not limited thereto. .

When the two couplings are rotatably coupled, the hinge means 30 may be configured in a direction perpendicular to each other so that the hinge means 30 is rotatable in all directions in three dimensions.

5 is a schematic plan view showing a vehicle having a shock absorbing function according to another embodiment of the present invention.

Referring to FIG. 5, an automobile according to another embodiment of the present invention may include a shock absorbing device 1 and a vehicle body member 2. In addition, the vehicle body member 2 may include a hood member 2a and a side member 2b.

The shock absorbing device 1 is a device for absorbing the external load F by the impact, and may include the impact applying means 10 and the shock absorbing means 20.

The vehicle body member 2 is one of the impact bodies to which the above-described shock absorbing device 1 is attached, and means a vehicle having a driving force. The body member 2 may provide a hood member 2a at the front of the vehicle and a side member 2b at the side of the vehicle.

Therefore, the shock absorbing device 1 may be attached to the hood member 2a or the side member 2b.

The shock absorbing device 1 may be attached to the vehicle body member 2 in the form of one (-) or in the form of an X (X) or a cross (+).

That is, the shock absorbing device 1 can be attached in various ways depending on the expected external load F of the vehicle body member 2 or the shape of the vehicle body member 2.

By attaching the shock absorbing device 1 to the body member 2, the external load F due to the impact in the event of a traffic accident is absorbed by the shock absorbing device 1, thereby protecting the occupant of the vehicle. Will be.

1: shock absorber 2: body member
2a: hood member 2b: side member
10: impact applying means 11: impact applying plate
12: shock carrier 20: shock absorbing means
21: mobile body 22: expansion body
22a: accommodating part 22b: expanding part
30: hinge means

Claims

An impact absorbing device including an impact applying means to which an external load is applied, and an impact absorbing means connected to at least one side of the impact applying means and provided to absorb the shock through an impact deformation occurring in an external load direction of the element; And
A body member provided with the shock absorber;
Vehicle having a shock absorbing function configured to include.

The method of claim 1,
The shock absorbing means is a vehicle having a shock absorbing function characterized in that it provides a movable body which is moved in the direction of the external load by the tension of the impact applying means and a expansion body that absorbs the shock by the expansion phenomenon during the movement of the movable body.

The method of claim 1,
The impact applying means is an automobile having a shock absorbing function, characterized in that it provides a shock applying plate to which the external load is directly applied, and an impact carrier for transmitting the external load applied to the impact applying plate to the shock absorbing means.

The method of claim 3,
In order for the impact applying plate to maintain the initial application direction of the external load, one end is coupled to the shock absorbing means and the other end is coupled to the vehicle body member, at least one coupling is hinged means rotatably coupled; Car with shock absorption function to do.

The method of claim 1,
The shock absorber is provided to the vehicle member in the form of any one or a combination of one (-), X (X) and cross (+) to correspond to the shape of the vehicle body member Car with absorption function.

The method of claim 1,
The vehicle body member has a shock absorbing function, characterized in that to provide at least one of the hood member of the front of the vehicle and the side member of the vehicle side.

The method of claim 1,
The shock absorbing means is a vehicle having a shock absorbing function, characterized in that coupled to the impact applying means in a symmetrical structure.