KR100830950B1 - Device for reducing impact force - Google Patents

Abstract

An impact absorbing device is provided to reduce the damage of a vehicle and to protect a passenger by installing to a narrow road such as the beginning of a tunnel, a tollgate or an underground parking lot, or, a road with frequent vehicle collisions. An impact absorbing device includes an installation unit(10) formed to install on a wall of a road, and a shock absorbing unit(20) formed to reduce the impact force by vehicle collision. The installation unit is formed in the C-shape to have the appointed length in the longitudinal direction and provided with extensions(11,13) on the upper and lower parts to couple the shock absorbing unit, and the shock absorbing unit includes a shaft(30) installed to the installation unit, a bearing(40) fastened to the upper and lower parts of the outer circumferential surface of the shaft, a ring(42) preventing the separation of the bearing from the shaft, a cap(50) fastened to the outside of the bearing to protect the bearing, a shock absorbing member(60) inserted to the cap to absorb impact force, and a reflector(70) formed on the outside of the shock absorbing member.

Description

Device for reducing impact force

1 is an installation state diagram showing a conventional collision mitigation device,

2 and 3 is an exploded perspective view and another installation state showing another conventional collision mitigation device,

Figure 4 is an exploded perspective view showing a collision mitigation device of the present invention,

5 is a perspective view showing a collision mitigation device of the present invention,

6a to 6c are cross-sectional views showing a coupling state of the collision mitigation device of the present invention,

7a to 7c is an installation state showing an installation state of the collision mitigation device of the present invention,

8 is an exploded perspective view showing another embodiment of the collision mitigation device of the present invention.

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

10: installation part 11,13: upper and lower part

12: hole 14: coupling groove

16: fixing member 17: central extension portion

20: shock absorber 30: axis

34: step 36: nut

40: bearing 42: ring

50: cap 54: flange

60: shock absorbing member 70: reflecting portion

The present invention relates to a collision mitigation device, and more particularly, a collision that can alleviate the collision force when a vehicle collides by simply installing on a road requiring a collision mitigation device such as a tunnel entrance and a toll gate, an underground parking lot, or a curved road. It relates to a mitigation device.

As is well known, traffic accidents are increasing day by day due to the rapid expansion of traffic volume due to the expansion of economic scale and income increase, and the high speed of road traffic due to the improvement of vehicle performance. In the case of traffic accidents, especially vehicle accidents, the roadside facility has to be increased statistically, and it is urgently required to install roadside facilities and to establish a proven protective structure through rigorous research.

In accordance with the above requirements, the following collision mitigation device is installed.

1 is an impulse mitigation device (Korean Utility Model Application No. 20-2003-0027879) installed on the road among the conventional collision mitigation device provided with a cushioning member (3) between the support (1) and the guard rail (2) As a result, the shock absorbing member 3 absorbs the shock caused by the collision of the vehicle.

However, the collision mitigation device as described above can prevent the progress of the vehicle in the event of a collision, but the ability to mitigate the impact is inferior and the vehicle's outer surface is damaged by the guard rail because it stops while the vehicle progresses. there was.

In addition, there is a problem in that it is not economical to replace the entire guard rail when the guard rail is damaged by the impact force or other factors when colliding with the vehicle.

Figure 2 is an impulse mitigation device (Korean Utility Model Application No. 20-2005-0025095) installed in the entrance of the tunnel of the conventional collision mitigation device formed in a gentle curve toward the entrance (3a) from the outside of the tunnel (3) And a plurality of protrusions 4d and parallel ribs 4c are formed on the front and rear surfaces, respectively, and a vehicle leaving having an “L” cross section in which a plurality of slide holes 4b penetrates up and down are formed in parallel on the bottom surface. Prevention beam 4; Urethane layer (4a) formed on the front of the vehicle departure prevention beam (4); It is fixed perpendicular to the ground and is slid to the slide long hole 4b formed in the vehicle departure prevention beam 4 to guide the vehicle departure prevention beam 4 in left and right diagonal directions, and guide the vehicle departure prevention beam 4 in the vertical direction. A guide post 5 having a constraining flange 5a; A buffer block 6 interposed between the parallel ribs 4c and the guide posts 5 formed on the rear surface of the vehicle departure preventing beam 4 and having rib coupling portions 6a and post fitting grooves 6b on the front and rear surfaces. ).

Here, the vehicle departure prevention beam (4) is a vertical steel plate bent in an arc shape and a horizontal steel plate cut in an arc shape to each other at right angles to each other and welded in an "L" shape, parallel ribs (4c) formed on the back is rectangular The cut iron plate pieces are vertically welded at regular intervals.

However, the collision mitigation device as described above also stops while the vehicle is in progress when the vehicle collides. As a result, the outer surface of the vehicle is damaged and the entire urethane layer is damaged when the vehicle is damaged due to a collision with the vehicle or other factors. There is a problem that is not economical to replace.

In addition, there is a problem in that the installation length is required to install a long length, so many installation parts and excessive installation cost due to long time installation.

The present invention has been made in order to solve the problems of the prior art as described above, the object of the present invention is to install on a narrow road such as the entrance of the tunnel and toll gates or underground parking lot or other roads with a lot of collision accident of the vehicle In the event of a collision, the collision force is alleviated to reduce the damage of the vehicle and to provide a collision mitigation device that can protect the occupants.

In addition, another object of the present invention is to prevent damage to the tunnel entrance or toll gate by the vehicle colliding when not installed, so that the congestion of the road that occurs when repairing with the arm to save the cost of repairing the damaged part It is to provide a collision mitigation device that prevents.

In addition, another object of the present invention is to provide a collision mitigation device for simplifying installation and maintenance by simplifying the installation parts.

In addition, another object of the present invention is to provide a collision mitigation device to reduce the economic burden by allowing the replacement of only the broken parts individually, unlike the conventional need to replace the entire broken parts after the crash.

"형상으로 일측이 개방되도록 형성하여 완충부를 상기 개방된 부위를 통하여 간편하게 결합할 수 있을 뿐만아니라, 차량의 진행방향으로 일부 연장되도록 형성하여 차량의 충돌시 완충부가 이탈되는 것을 방지하는 충돌완화장치를 제공하는 것이다.In addition, another object of the present invention is a coupling groove "

"A shape is formed so that one side is open to easily combine the shock absorbing portion through the open portion, as well as to form a portion extending in the traveling direction of the vehicle to reduce the collision when the collision of the vehicle to prevent the collision To provide.

In addition, another object of the present invention is to form a reflector on the outer peripheral surface of the shock absorbing member to receive light from the vehicle at night to emit light to prevent the collision by passing the width of the road or the width of the access road, such as parking lot to the driver in advance. It is to provide a collision mitigation device.

The present invention is implemented by the embodiment having the following configuration to achieve the above object.

According to the first embodiment of the present invention, the dispatch relief device of the present invention is a shock absorbing member consisting of a mounting portion formed to be installed on the wall surface and the impact damage member is fastened to the mounting portion to reduce the impact force generated in the collision chamber with the vehicle It is characterized by including a wealth.

According to a second embodiment of the present invention, the dispatch relief device of the present invention has an upper extension portion formed with a plurality of holes so that the shock absorbing portion can be coupled to the installation portion, and a coupling groove having one side open at a position corresponding to the upper extension portion. And a hole through which a lower extension portion to be formed and a fixing member for fixing the mounting portion to a wall surface are fastened to a center of the mounting portion.

According to the third embodiment of the present invention, the dispatch relief device of the present invention is characterized in that the installation portion is formed to taper the corner to prevent the vehicle entering from being caught in the corner regardless of the entry angle.

According to a fourth embodiment of the present invention, the dispatch relief device of the present invention includes a shaft for installing a shock absorbing portion in the installation portion, a bearing fastened to upper and lower portions of an outer circumferential surface of the shaft, and preventing the bearing from being detached from the shaft. A ring for fastening, a cap secured to the outside of the bearing to protect the bearing, an impact absorbing member inserted into the cap to mitigate impact force during a collision, and a reflecting portion formed on the outside of the shock absorbing member. It is done.

According to a fifth embodiment of the present invention, the dispatch relief device of the present invention has a cap formed on the upper and lower surfaces of the cap to secure a ring to prevent the bearing coupled to the shaft from being separated from the shaft, and an impact absorbing member on the outer peripheral surface. It characterized in that it comprises a flange and a groove formed so that the shock absorbing member is formed more stably when forming the.

According to the sixth embodiment of the present invention, the dispatch relief device of the present invention is formed on the outer circumferential surface of the cap with a material having elastic force to reduce the impact force when the impact absorbing member collides with the vehicle, and forms a reflecting portion at the center of the outer circumferential surface. It is characterized in that the long groove for forming.

According to the seventh embodiment of the present invention, the dispatch relief device of the present invention receives the light of the vehicle at night and emits light, thereby transmitting the width of the road or the width of the access road such as a parking lot to the driver so as to prevent a collision. It is formed in the long groove formed on the outer circumferential surface of the absorbing member is characterized by applying a fluorescent material.

According to the eighth embodiment of the present invention, the dispatch relief device according to the present invention receives the light of the vehicle at night and emits light, thereby transmitting the width of the road or the width of the access road such as a parking lot to the driver so as to prevent a collision. It is formed in the long groove formed on the outer circumferential surface of the absorbing member is characterized in that attached to the reflector.

According to the ninth embodiment of the present invention, the dispatch relief device of the present invention forms a central extension portion in the center of the installation portion, and forms a coupling groove in the central extension portion, and forms a hole in the upper and lower extension portions to fasten the buffer portion. However, the shock absorbing portion fastened to the upper extension portion and the central extension portion and the buffer portion fastened to the central extension portion and the lower extension portion are installed to be spaced apart from each other, so that the shock absorbing portion is more densely installed, thereby reducing a lot of impact force. It is done.

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

Figure 4 is an exploded perspective view showing a collision mitigation device of the present invention, Figure 5 is a perspective view showing a collision mitigation device of the present invention, the collision mitigation device of the present invention and the installation portion 10 formed to be largely installed on the wall of the road; The shock absorber 20 is configured to reduce the impact force when the vehicle collides.

The mounting portion 10 is formed in a "c" shape as shown in Figure 4 and is formed to have a constant length in the longitudinal direction, the mounting portion 10 is an upper portion and the lower portion 11, 13, respectively ) Was formed to couple the buffer unit 20.

The corner of the installation unit 10 is formed to be tapered, which is to prevent the vehicle entering from being caught in the corner regardless of the entry angle.

The upper extension 11 has a plurality of holes 12 to be coupled to the buffer 20.

"형상으로 일측이 개방되어 있어 완충부(20) 상기 개방된 부위를 통하여 간편하게 결합할 수 있을 뿐만아니라, 차량의 진행방향으로 일부 연장되도록 형성하여 차량의 충돌시 완충부(20)가 이탈되는 것을 방지하였다.In addition, the lower extension 13 has a coupling groove 14 at a position corresponding to the hole 12 of the upper extension 11, the coupling groove 14 is "

"The one side is open in shape so that the shock absorbing portion 20 can be easily coupled through the open portion, and is formed to partially extend in the traveling direction of the vehicle so that the shock absorbing portion 20 is separated during a collision of the vehicle. Prevented.

And by forming the center of the hole 12 in the upper extension portion 11 and the center of the coupling groove 14 to match the following buffer unit 20 when the buffer unit 20 is coupled to the upright, The shock absorber 20 is prevented from being separated from the open side of the coupling groove 14 even in an external shock such as a collision with the vehicle.

In addition, a hole 15 to which the fixing member 16 for fastening to a wall surface is fastened on one surface of the installation part 10 in the longitudinal direction.

Although the fixing member 16 is illustrated as an anchor bolt in the drawings described herein, the fixing member is not limited to the anchor bolt.

And the shock absorbing portion 20, as shown in Figure 4, the shaft 30 for installing in the mounting portion 10, the bearing 40 is fastened to the upper and lower outer peripheral surface of the shaft 30 and And a ring 42 for preventing the bearing 40 from being separated from the shaft, a cap 50 that is fastened to the outside of the bearing 40 to protect the bearing 40, and the cap 50. It includes an impact absorbing member 60, which is insert-molded to relieve the impact force during the impact, and a reflector 70 formed on the outside of the impact absorbing member 60.

The shaft 30 is formed with a screw portion 32 is coupled to the upper and lower nuts, the screw portion 32 is inserted into the grooves (12, 14) formed in the mounting portion 10, the nut 36 Is fastened.

An upper step 34 is formed at an upper portion of the shaft 30, and the step 34 serves as a stopper when the mounting step 10 is fastened to the mounting part 10.

And the bearing 40 is fastened to the upper and lower parts of the shaft 30, the bearing 40 so that the shock absorbing member 60 is rotated while absorbing the impact in accordance with the direction in which the vehicle proceeds during collision with the vehicle It plays a role.

In addition, the upper and lower parts of the bearing 40 are engaged with a ring 42 to prevent the bearing 40 from being separated from the shaft 30.

And the cap 50 has a groove 52 is formed in each of the upper and lower portions of the inner surface, the groove is a ring 42 which is fastened to shield the bearing 40 from the shaft 30 is released Is inserted to prevent the ring 42 from being disengaged from the shaft 30.

In addition, a flange 54 is welded to upper and lower outer circumferential surfaces of the cap 50. The flange 54 is a shock absorbing member when inducting the impact absorbing member 60 to the outer circumferential surface of the cap 50. It is to be inserted into the (60) to be molded more stably.

In addition, grooves 56 are formed at the upper and lower portions of the cap 50, and when the layered absorbing member 60 is insulated from the outer circumferential surface of the cap 50 like the grooves 56 and the flange 54. The absorbing member 60 is inserted into the groove 56 so as to be formed more stably.

In addition, the shock absorbing member 60 is a material having an elastic force for reducing the impact force when the vehicle collides with the insert 50 is formed on the outer peripheral surface of the cap 50 made of a material such as urethane.

And a long groove 62 is formed on the outer circumferential surface of the shock absorbing member 60, the long groove 62 is formed in a predetermined position in the radial direction near the center, preferably a predetermined depth.

The long groove 62 is for forming a reflector 70 below.

The reflector 70 is formed in the long groove 62 formed on the outer circumferential surface of the shock absorbing member 60 to receive the light of the vehicle at night to emit light to transmit the width of the road or the width of the access road, such as a parking lot, to the driver. It is to prevent collisions in advance.

In forming the reflector 70, a method of attaching a reflector such as a separately produced reflector sheet and a method of applying a fluorescent material to the long groove 62 formed on the outer circumferential surface of the shock absorbing member 60 may be used.

Since the reflector 70 is formed in the long groove 61, even if the vehicle collides with the shock absorbing member 60, it is possible to minimize direct contact with the vehicle to minimize damage caused by the collision of the vehicle.

With reference to the accompanying drawings, look at the coupling relationship of the present invention the collision mitigation device as follows.

6A to 6C are cross-sectional views illustrating a coupling state of the collision mitigation device of the present invention, in which the mounting portion 10 having the upper extension portion 11 and the lower extension portion 13 is attached to the installation portion 10 at a predetermined place. It is installed through the formed fixing member 16.

In addition, the shock absorbing part is formed by insert molding the shock absorbing member 60 on the outer circumferential surface of the repair cap 50 and then applying a fluorescent material or attaching a reflector to the long groove 62 formed on the outer side of the reflecting part 70. ).

Then, after the bearing 40 is fastened to the upper and lower parts of the shaft 30, the ring 42 is prevented from being separated from the shaft 30 at the upper and lower parts of the bearing 40. Tighten.

As described above, the shock absorbing member 60 is formed on the outer side of the bearing 40 fastened to the shaft 30 to form a shock absorbing portion 20 by fastening the cap 50.

The shock absorbing portion 20 formed as described above is fastened to the mounting portion 10, as shown in FIG. 6A, and the shock absorbing portion is formed in the coupling groove 14 formed in the lower extension portion 13 of the mounting portion 10. Insert 20).

At this time, as shown in Figure 6b the upper surface of the shaft 30 of the buffer portion 20 is in contact with the bottom surface of the upper portion 11 of the installation portion 10, the shock absorbing member of the buffer portion 20 (60) The bottom surface is in contact with the upper surface of the lower extension portion 13 of the installation portion (10).

In the above state, the buffer unit 20 is pushed toward the direction in which the vehicle travels, that is, a part of the coupling groove 20, and the buffer unit 20 is pushed up, and the buffer unit 20 is lifted up to the installation unit 10. The shaft 30 is inserted into the hole 12 formed in the upper extension 11 of the shaft, and the stepped portion 34 formed on the upper portion of the shaft 30 is caught by the hole 12 and the shaft 30 is no longer provided. It does not go to the top.

As described above, the shock absorbing unit 20 is fastened to the installation unit 10 and fixed with a nut 36.

When the fastening of the shock absorbing part 20 is completed, the shaft 30 of the shock absorbing part 20 is located at a part of the extension line of the hole 12 and the coupling groove 20 where the center lines coincide with each other, so that the external shock caused by the vehicle or the like may be reduced. The side of the shock absorbing portion 20 is prevented from being separated.

When the vehicle collides with the present article installed as described above, the shock absorbing member 60 formed in the shock absorbing unit 20 absorbs the shock to attenuate the speed of the vehicle.

Afterwards, the shock absorbing unit 20 rotates to attenuate the residual impact force of the crashed vehicle. This means that the crashed vehicle continues to proceed according to the law of inertia, and the traveling direction gradually changes according to the shock absorbing unit 20 that is rotated. Slowly, the speed is to be reduced.

7A to 7C are installation state diagrams showing an installation state of the collision mitigation device of the present invention, and FIG. 7A shows a state installed on a toll gate, and FIG. 7B shows a state installed on a speeding road, and FIG. 7C is installed on a tunnel. In addition, it can be installed at the entrance of the underground parking lot or at the place where a collision occurs.

And, Figure 8 is an exploded perspective view showing another embodiment of the collision mitigation device of the present invention, after forming the central extension portion 17 in the center of the installation portion formed in the "c" shape after the lower extension to the central extension portion 17 After forming the coupling groove 18 of the same shape as the coupling groove 14 formed in the portion 13, the upper and lower extension portions (11, 13) forms a hole 12 to the buffer portion 20 ) To be combined.

The buffer unit 20 is installed so that the upper and lower spaced apart from each other, the buffer unit 20 and the central extension unit 17 and the lower extension unit installed on the upper extension 11 and the central extension 17. The shock absorbing unit 20 installed in (13) is installed to be spaced apart from each other so that the shock absorbing unit 20 is more densely installed so as to reduce the impact force more efficiently.

Applicants described above with reference to the drawings illustrating the present invention collision mitigation device, but the present invention is not limited by the embodiments and drawings described herein, those skilled in the art within the scope of the technical idea of the present invention Various changes and modifications should also be construed as falling within the scope of the present invention.

The present invention has the following effects by the above configuration.

The present invention is installed on narrow roads such as tunnel entrances and toll gates or underground parking lots, or other roads with a lot of collision accidents of vehicles, thereby relieving the impact force when a vehicle crashes, thereby reducing damage to the vehicle and protecting passengers. There is.

In addition, the tunnel entrance or toll gate, etc., are prevented from being damaged by a crashing vehicle when the present invention is not installed. It works.

In addition, the present invention has the effect that can be easily installed and repaired by simplifying the installation parts.

In addition, the present invention has the effect of reducing the economic burden to be able to replace only the broken parts individually, unlike the conventional need to replace the entire broken parts after the crash.

"형상으로 일측이 개방되도록 형성하여 완충부를 상기 개방된 부위를 통하여 간편하게 결합할 수 있을 뿐만아니라, 차량의 진행방향으로 일부 연장되도록 형성하여 차량의 충돌시 완충부가 이탈되는 것을 방지하는 효과가 있다.And the present invention is a coupling groove "

"The shape is formed to be open to one side to be easily coupled to the buffer portion through the open portion, as well as to form a portion extending in the traveling direction of the vehicle has the effect of preventing the buffer portion from being separated during the collision of the vehicle.

In addition, the present invention is formed by reflecting the outer surface of the shock-absorbing member to receive the light of the vehicle at night to emit light has the effect of preventing the collision by passing the width of the road and the width of the access road, such as parking lot to the driver. will be.

Claims (9)

A shock absorbing member including an installation part formed to be installed on a wall, and an impact absorbing member fastened to the installation part to reduce a collision force generated when the vehicle collides with the vehicle; The shock absorbing portion includes a shaft for installing in the installation portion, a bearing fastened to the upper and lower outer peripheral surface of the shaft, and a cap fastened to the outside of the bearing to protect the bearing, The shock absorbing member is molded into the cap to reduce the impact force, characterized in that to reduce the impact force The method of claim 1, The installation portion and the upper extension is formed with a plurality of holes so that the buffer portion can be coupled; A lower extension portion having a coupling groove having one side open at a position corresponding to the upper extension portion; And a hole in which a fixing member for fastening the mounting portion to the wall surface is fastened to the center of the mounting portion. The method of claim 2 The installation unit is formed so as to taper the corner, collision mitigation device, characterized in that to prevent the entering vehicle is caught in the corner irrespective of the entering angle. The method of claim 1, The shock absorbing portion is a ring for preventing the bearing from being separated from the shaft, Collision mitigating device comprising a reflector formed on the outside of the shock absorbing member. The method of claim 4, wherein The cap is formed in the upper and lower inner surface to secure the ring to prevent the bearing is coupled to the shaft from being separated from the shaft, And a flange and a groove formed to form the shock absorbing member more stably when the shock absorbing member is formed on the outer circumferential surface of the cap. The method of claim 5, The shock absorbing member is formed on the outer circumferential surface of the cap made of a material having an elastic force in order to reduce the impact force when colliding with the vehicle, the impact alleviating device, characterized in that the long groove is formed in the center of the outer circumferential surface. The method of claim 6, The reflector is formed in the long groove formed on the outer circumferential surface of the shock absorbing member to prevent the collision by transmitting to the driver the width of the road or the entrance of the parking lot, etc. at night to emit light, and to apply the fluorescent material Collision mitigation device characterized in that. The method of claim 6, The reflector is formed in the long groove formed on the outer circumferential surface of the shock absorbing member to attach the reflector to prevent the collision by transmitting the width of the road or the width of the access road such as parking lot to the driver at night Collision mitigation device, characterized in that. The method of claim 1, After forming the central extension in the center of the installation portion to form a coupling groove in the central extension, and forming a hole in the upper and lower extensions to fasten the buffer portion, and the buffer portion fastened to the upper extension and the central extension; Collision mitigation device, characterized in that to install a buffer portion fastened to the central extension portion and the lower extension portion to be spaced apart from each other more compactly to reduce the impact force.

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