KR0128706Y1 - Shock struct for vehicles - Google Patents

Abstract

The present invention relates to a vehicle safety buffer protector which is installed in front of a road structure, which is a dangerous area of a collision accident of a vehicle, so that the impact energy of the vehicle is gradually absorbed by itself to reduce the damage of an accident. The first case 1a, the second case 1b, the third case 1c, the fourth case 1d, and the fifth case 1e are composed of the first case 1a, and the fifth case 1e is an installation plate. The other cases 1a, 1b, 1c, and 1d are fixed to 14 and are structured to be slid into each other in a telescopic manner while keeping the mounting plate 14 horizontal.

In addition, a buffer member 3, a buffer spring 9, a spring support rod 8 and a guide roller 10 are respectively provided in the cases 1a, 1b, 1c, 1d, and 1e. It absorbs and absorbs the impact energy in several stages in the event of a collision.

Description

Vehicle safety buffer guard

1 is a perspective view of a vehicle safety buffer guard according to the present invention.

2 is a partial perspective view of the vehicle safety buffer guard according to the present invention.

3 (a) and (b) are enlarged perspective views showing the flange engaging portion of FIG.

4 is a horizontal cross-sectional view of FIG.

5 is a cross-sectional view of FIG.

6 is a cross-sectional view taken along the line A-A of FIG.

7 is a step-by-step diagram showing the operating state of the vehicle safety buffer guard according to the present invention,

(a) is a state diagram just before the vehicle collides with the vehicle safety buffer,

(b) is a state in which the chain is broken due to the collision of vehicles,

(c) is a state in which the vehicle crashed and some sliding compression,

(d) is a state diagram in which the vehicle is crashed and the whole is compressed.

8 is a perspective view showing a conventional collision avoidance structure.

* Explanation of symbols for main parts of the drawings

1: Case 1a: 1st Case

1b: second case 1c: third case

1d: 4th case 1e: 5th case

2: protective case 2a, 3: buffer member

3c: third buffer member 3d: fourth buffer member

3e: fifth buffer member 4: support plate

4a, 5a: Joining piece 4b: Nut groove

5: support member 5b: bolt

5c: hole 6: flange connection

8: spring support rod 9: buffer spring

10: guide roller 11: through hole

12: support roller 13: chain

14: mounting plate 15: anchor bolt

17: internal space 18: drum

19: interior material

The present invention relates to a vehicle safety buffer protector, and more particularly, a vehicle that is installed in front of a road structure, which is a dangerous area of a collision accident, so as to reduce the damage of an accident by gradually absorbing the impact energy of the vehicle in itself. It relates to a safety buffer guard.

In general, various structures and the like are provided on the road at the junction of the road on which the vehicle travels, and a pier is provided at the center line portion of the road where a special underground driveway or an overpass intersects.

However, because the driver's vision is wide during the day, it is possible to easily distinguish objects so that it is safe to operate.However, at night when the driver's field of view is relatively narrow, even if the headlights are turned on, the driver is embarrassed if he suddenly encounters a splitter or pier at the road junction. In this case, a large number of accidents occurred in direct collision with the road structures and the like.

Meanwhile, as shown in FIG. 8, in the related art, a drum barrel 18 is used as a means for preventing a vehicle from directly colliding with a structure installed on a road, which is simply water or gravel in the drum barrel 18. When the interior material 19, such as cement, was inserted, and the interior material 19 was hardened, the interior of the drum barrel 18 itself was formed in the form of a single structure having a constant weight by being installed in the front and rear of the branch or the pier.

By the way, the conventional cylinder for preventing collision, the drum 18 is not limited to the concept of absorbing the impact of the vehicle itself, but limited to the concept of preventing the damage of the road structure, so the driver prevents the collision due to inadvertent mistakes when driving the road When the collision with the drum (18) itself is hardly absorbed by the impact of the collision of the vehicle itself, as well as vehicle damage seriously occurred.

In addition, if the drum barrel 18 installed at the front and rear of the road junction or the bridge falls into the opposite lane due to a severe impact with the vehicle, the drum barrel 18 collides secondarily with another vehicle driving in the opposite lane. There was a problem that caused great traffic accidents and caused great loss to human and physical property.

Therefore, the present invention has been devised to solve the above problems, so that when the vehicle collides, the shock absorbs and absorbs the shock itself so that the impact energy is not transmitted to the vehicle and the road structure so that the vehicle and the road structure are damaged, human, and physical properties. The objective is to provide a vehicle safety buffer guard that can minimize damage.

Vehicle safety buffer protector according to the present invention for achieving the above object is configured to slide each case having a separate size in a sequential step, each of these cases is provided with a buffer member and a spring having a predetermined buffering force Each of the built-in shocks transmitted through the front case in a collision with the vehicle is characterized in that the successive cases are sequentially compressed to absorb and absorb the impact force.

Hereinafter will be described in detail with reference to the accompanying drawings, the structure of the vehicle safety shock absorber according to the present invention.

Vehicle safety buffer according to the present invention, as shown in Figures 1 to 6, the first case 1a, the second case (1b), the third case (1c), the fourth case of the individual and different sizes It consists of the case 1d and the 5th case 1e.

Each of the casings 1a, 1b, 1c, 1d, and 1e configured as described above is each formed with an inner space 17 in which one rear end face is sealed and the other front end face is opened.

As shown in FIG. 1, the closed rear end of the fourth case 1d is slid into the inner space 17 of the fifth case 1e by a predetermined depth, and the inner space of the fourth case 1d is 17, the rear end of the third case 1c is slid into the predetermined width, and the rear end of the second case 1b is slid into the inner space 17 of the third case 1c by a predetermined depth. .

In addition, the rear end portion of the first case 1a is slid into the inner space 17 of the second case 1b by a predetermined width, and the protective case 2 is provided on one open end surface of the first case 1a. It is coupled and the protective case 2 has a structure filled with a cushioning member (2a) of the polyurethane foam therein.

Meanwhile, as illustrated in FIGS. 5 and 6, a plurality of guide rollers 10 are provided on the outer surface of the rear end of each of the cases 1a, 1b, 1c, and 1d, which are inserted into the slide. (1a) (1b) (1c) and (1d) are guided by sliding into the inner space 17.

In addition, the case 1a (1b) (1c) (1d) has a predetermined size buffer member (3) inside each case (1a) (1b) (1c) (1d) (1e). The second cushioning member 3b embedded in the second case 1b is inserted into the support member 5 through the through hole 11 formed in the longitudinal direction, and thus the second case 1b is provided. Installed in

In addition, one end of the supporting members 5 is flanged inside the rear end surface of the second case 1b, and the other end thereof is a through hole 11 of the second buffer member 3b embedded in the second case 1b. And a through hole 11 formed in the rear end surface of the first case 1a, and is flanged to the support plate 4 embedded in the first case 1a.

In addition, except for the first case (1a), the spring protruded so that the front end penetrates the rear end corner of the front case near each corner of the inner rear end surface of each case (1b) (1c) (1d) (1e). The other end of the supporting rod 8 is engaged, and the rear end outer surface of the case 1a, 1b, 1c, 1d inserted into the front with a buffer spring 9 fitted to the outer circumference of each of the spring supporting rods 8. And elastically inserted between the rear end inner surfaces of the outer casings 1b, 1c, 1d and 1e which accommodate the casings 1a, 1b, 1c and 1d.

Meanwhile, each case 1a, 1b, 1c, 1d, 1e is installed on a mounting plate 14 fixed by a plurality of anchor bolts 15 on a road, and the bottom of the fifth case 1e is provided. Surface is welded and fixed to the mounting plate 14, the fourth case (1d), the third case (1c), the second case (1b), and the first case (1a) is in contact with the mounting plate 14 The supporting rollers 12 are respectively attached to both sides, and are arranged to keep the horizontality of the cases 1a, 1b, 1c, 1d, and 1e.

Operation of the vehicle safety shock absorber having the above structure is as follows.

The vehicle safety buffer protector according to the present invention is installed in the separation point of the road junction or the pier of various elevated roads, and the vehicle according to the present invention installed in front of the road structure due to the driver's inadvertent mistake of the driving lane When the safety buffer guard is collided to the front, as shown in FIG. 7 (b), the chain 13 connected between the lower end of the first case 1a and the mounting plate 14 is broken and is primarily used. The first buffer member 3a embedded in the first case 1a while absorbing the shock, and then sliding the rear end portion of the first case 1a into the inner space 17 of the second case 1b. ) Is compressed and buffered at the same time, the second buffer member 3b embedded in the inner space 17 of the second case 1b is also compressed, and the buffer located at each corner of the inner space 17 of the second case 1b. The spring (9) is also compressed so that the impact force of the vehicle is 2 As it will be dropped to absorb compression.

Subsequently, the rear end portion of the second case 1b into which the first case 1a is inserted is slid by a plurality of guide rollers 10 attached to each outer surface, and is inserted into the inner space 17 of the third case 1c. The third compression member (3c) built in the third case (1c) is compressed by sliding, and at the same time the buffer spring (9) located at each corner of the inner space (17) of the third case (1c) is also compressed. By absorbing and cushioning the impact force of the vehicle in 3rd order, the impact force is further attenuated.

As shown in FIG. 7C, the third case 1c in which the first case 1a and the second case 1b are continuously inserted as described above is provided with a plurality of guides provided on the respective outer surfaces thereof. Guided by the roller 10 and slid into the inner space 17 of the fourth case 1d, the fourth shock absorbing member 3d embedded in the fourth case 1d is compressed and at the same time the fourth case 1d. Shock absorbing springs (9) located in each corner of the inner space (17) is also compressed to absorb the impact of the vehicle in four orders.

Finally, the rear end of the fourth case 1d into which the first and second cases 1a and 1b and the third case 1c are inserted is provided on each outer surface, as shown in FIG. The fifth shock absorbing member 3e embedded in the fifth case 1e is compressed while slidingly moved into the inner space 17 of the fifth case 1e by the plurality of guide rollers 10, and at the same time the fifth case 1e. Shock absorbing buffer (9) located at each corner of the inner space (17) of the) will absorb and cushion the shock.

As described above, the process of absorbing and absorbing the impact force of the vehicle by the vehicle safety shock absorber of the present invention is divided into stages for convenience. In fact, each stage of the shock absorbing operation is almost instantaneously made.

As described above, the vehicle safety buffer protector according to the present invention can be installed as it is on the currently installed road facilities, and the construction is convenient, and the appearance is beautiful, improving the aesthetics of the road and the impact energy when the vehicle collides with the vehicle safety buffer protector. Is absorbed and buffered in several stages at the same time, so it is a very useful design that can prevent the damage of the vehicle and reduce the injuries of the driver to the maximum.

Claims (3)

The first case 1a, the second case 1b, the third case 1c, the fourth case 1d and the first end surface of which one end surface is opened and the shock absorbing member 3 is inserted into the inner space 17, respectively. Each sealed rear end of the five cases 1e is slidably inserted into the inner space 17 of the case 1 disposed adjacent thereto by a predetermined depth, and is cushioned therein in the front end surface of the first case 1a. A protective case (2) filled with a member (2a) is attached, and the second case (1b) has at least one support member (5) horizontally flange-coupled to the closed rear end surface thereof so that the second case A flange engaging portion 6 is provided in front of the open end face of the support plate 4 so that the support plate 4 for supporting the first buffer member 3a of the first case 1a from the rear side is flanged and the second case 1b. The second buffer member (3b) inserted into the) is provided with a through hole (11) formed in the center in the longitudinal direction and fitted to the outer circumference of the support member (5) The amount of buffer safety guards. According to claim 1, wherein the front end of each of the rear end surface of the second case (1b), the third case (1c), the fourth case (1d), the fifth case (1e) of the front case is the rear of the front case. The other end of the spring support rod 8 protrudingly extended through the edge of the cross section is coupled, and the shock absorbing spring 9 is fitted to the outer circumference of each of the spring support rods 8, and the cases 1a, 1b and 1c ( It is elastically compressed between the rear end outer side of 1d) and the rear inner side of the outer case 1b (1c) (1d) (1e) which houses this case (1a) (1b) (1c) (1d). Vehicle safety buffer guard. The inner surface of each of the openings of the second to fifth cases 1b, 1c, 1d, and 1e, into the inner space 17 of each case 1, respectively. Vehicle safety buffer protector, characterized in that a plurality of guide rollers (10) are installed to slide guide the other cases (1a) (1b) (1c) (1d) to be inserted.