KR0132854Y1 - Side plate fixing system for bumper - Google Patents

Abstract

The present invention relates to a bumper bracket fastening structure in which an absorption bracket is formed to absorb impact energy generated during a vehicle crash.

Opened toward the bumper and inserted into the frame 42 with the stop bracket 26 welded to the lower portion of the upper end 48, and into the opening of the frame 42, on the inclined insertion inclined portion 31 And an absorbent bracket 34 mounted and engaged with the stop bracket 26.

In this way, a part of the collision energy generated at the time of collision can be absorbed to increase the strength of the vehicle body.

Description

Side plate holder of bumper

1 is an exploded perspective view of a conventional bumper shock absorbing structure.

Figure 2 is a perspective view of each component of the conventional bumper shock absorbing structure, Figure 2a is a perspective view of the bumper bracket, Figure 2b is a perspective view of the frame, Figure 2c is a perspective view of the bumper reinforcement.

3 is a plan view of a bumper shock absorbing structure in a conventional coupled state.

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

Figure 5 is a perspective view of each component of the bumper shock absorbing structure according to the present invention, Figure 5a is a perspective view of the frame, Figure 5b is a perspective view of the stop bracket, Figure 5c is a perspective view of the bumper bracket, Figure 5d is a perspective view of the absorption bracket.

Figure 6 is a cross-sectional view of the combined state of the frame and the bumper bracket according to the present invention.

7 is a detailed view of the combination of the stop bracket and the absorption bracket in the coupled state of the frame and the bumper bracket according to the present invention.

8 is a combined detail of the stop bracket and the absorbing bracket when a collision occurs according to the present invention.

* Explanation of symbols for main parts of the drawings

1: body 2,42: frame

3,43: bumper bracket 4: bumper reinforcement

5: bumper cover 8,20,27,30,36: upper part

9,22,29,33,38: Lower part 10,32: Side part

11 front portion 19: bumper bracket connection hole (19)

13 frame connection portion 14, 28, 31, 37: inclined portion

15: reinforcing material connecting portion 16, 12: reinforcing material connecting hole

17,57: frame connecting hole 21,40: vertical part

23: bracket coupling hole 24,39: insertion groove

26: stop bracket 34: absorption bracket

53: connection

The present invention relates to a bumper bracket fastening structure, and more particularly to a bumper bracket fastening structure in which an absorption bracket is formed to absorb the impact energy generated during a vehicle crash.

Referring to FIGS. 1 to 4, the first case is an exploded perspective view of a conventional bumper shock absorbing structure, and FIG. 2 is a perspective view of each component of the conventional bumper shock absorbing structure, and FIG. Figure 2 is a perspective view of the bumper bracket, Figure 2b is a perspective view of the frame, Figure 2c is a perspective view of the bumper reinforcement, Figure 3 is a plan view of a conventional bumper shock absorbing structure, Figure 4 is a cross-sectional view taken along line AA of FIG.

Referring to FIG. 1, a bumper shock absorbing structure is formed on a front surface of a vehicle body to finally absorb impact energy, and a frame formed by protruding in a rectangular column shape near both ends of the vehicle body 1. (2), a bumper bracket (3) formed in a curved c-shape in front of the frame (2), and a bumper reinforcement formed in front of the bumper bracket (3) by the length of the full width of the vehicle body. (4) and the bumper cover (5) formed in front while surrounding the bumper reinforcement (4).

Referring to FIG. 2A, the bumper bracket 3 extends inclined with the frame connecting portion 13 and the frame connecting portion 13 formed in the same size in parallel with the front portion 11 of the frame 2. And an inclined portion 14 formed therein, and a reinforcement connecting portion 15 formed to extend inclined from the inclined portion 14, and the frame connecting portion 13 has two frame connecting holes 17 up and down. In the reinforcing material connecting portion 15, two reinforcing material connecting holes 16 are formed on the left and right.

Referring to FIG. 2B, the frame 2 includes an upper end portion 8 formed parallel to the ground, a side portion 10 extending vertically from the upper end portion 8, and a side portion 10. It consists of a lower end portion 9 extending at right angles and formed in parallel with the upper end portion 8, and a front portion 11 extending at right angles from the lower end portion 9 and formed in parallel with the vehicle body. 8) It is closed by the side part 10 and the lower end part 9, and the connection part 12 is formed in the center of the front part 11 up and down.

Referring to FIG. 2C, the bumper reinforcement 4 includes a top portion 20 formed in a rectangular shape over the width of the vehicle body, a vertical portion 21 extending in a right angle from the top portion 20, and It consists of a lower end portion 15 extending in a direction perpendicular to the vertical portion 21.

Two bracket engagement holes 23 are formed near both ends of the vertical portion 21.

Inside the upper end portion 20 and the vertical portion 21, the insertion groove 24 for inserting the bumper bracket (3) is formed.

The front portion 11 of the frame 2 and the frame connection portion 13 of the bumper bracket 4, the reinforcement connecting portion 15 and the reinforcement connecting portion 15 of the bumper bracket 4 are joined by bolts.

Referring to FIGS. 3 and 4, the collision energy absorbing process generated during the collision of the vehicle is described. The collision energy is applied to the bumper reinforcement 4 through the bumper cover 5, and the collision energy is applied to the bumper bracket 3. And via the frame 2 to the vehicle body 1.

In the case of the bumper bracket and the frame coupling structure as described above, the collision energy is not absorbed in the coupling structure of the bumper bracket 3 and the frame 2 and is transmitted to the vehicle body 1 as it is, so that the vehicle body is deformed even with a small collision energy. There was this.

Accordingly, the present invention is to overcome the above-described problems, the object of the present invention is to form an absorption bracket on the bumper bracket to absorb the collision energy in the structure of the bumper bracket and the frame to reach the collision energy to the vehicle body It is to provide a bumper bracket to absorb the collision energy before it is.

As an example of the bumper bracket fastening structure for achieving the object of the present invention, the frame is open toward the bumper, the stop bracket is attached to the lower end of the upper end is attached, and inserted into the opening of the frame, the inclined insertion inclined portion And an absorbent bracket mounted on and engaged with the stop bracket.

As another example of the bumper bracket fastening structure for achieving the object of the present invention, the frame is open toward the bumper, and a stop bracket attached to the lower end of the upper end is attached, and inserted into the opening of the frame, the inclined insertion inclination An absorption bracket mounted on a portion and engaged with the stop bracket, wherein the stop bracket includes an upper end contacting a lower part of an upper end of the frame, an inclined part integrally formed with the upper end, and an inclined part; Consisting of the lower end formed in parallel with the upper end, and the center of the lower end is formed with a U-shaped insertion groove.

As another example of the bumper bracket fastening structure for achieving the object of the present invention, the frame is open to the bumper, a stop bracket attached to the lower end of the upper end is attached, and inserted into the opening of the frame, the inclined insertion An absorbent bracket mounted on an inclined portion and engaged with the stop bracket, wherein the absorbent bracket includes a lower end contacting the inclined portion, an inclined portion integrally formed with the lower end portion, and the inclined portion integrally; It consists of a top portion formed by gently inclined.

As another example of the bumper bracket fastening structure for achieving the object of the present invention, the frame is open to the bumper, a stop bracket attached to the lower end of the upper end is attached, and inserted into the opening of the frame, the inclined insertion And an absorbent bracket mounted on the inclined portion and engaged with the stop bracket, wherein the bumper bracket 43 further includes a reinforcement connecting portion 55 to be coupled to the bumper reinforcement 4.

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 5 to 8. 5 is a perspective view of the frame, bumper bracket, stop bracket and absorbing bracket according to the present invention, Figure 6 is a cross-sectional view of the combined state of the frame and bumper bracket according to the present invention, Figure 7 is a frame and bumper according to the present invention The combined detail of the stationary bracket and the absorbent bracket in the coupled state of the bracket, Figure 8 is a combined detail of the stop bracket and the absorbent bracket in the event of a collision according to the present invention.

Referring to FIG. 5A, the frame 42 includes an upper end portion 48 formed parallel to the ground, a side portion 50 extending vertically from the upper end portion 48, and the side portion 50. It consists of a lower end portion 49 extending at right angles and formed parallel to the upper end portion 48. In the center of the lower end portion 49, two bumper bracket connection holes 19 are formed in the longitudinal direction of the frame. A stop bracket 26 is formed below the 48.

The frame 42 is open to allow the bumper bracket 43 to be inserted.

Referring to Figure 5b, the stop bracket 26 is the rear end of the upper end, that is, the upper end 27 in contact with the inside of the frame, and the inclined portion 28 formed integrally inclined with the upper end 27 and In addition, the inclined portion 28 is integrally formed with a lower end portion 29 formed in parallel with the upper end portion 27, and a U-shaped insertion groove 39 is formed at the center of the lower end portion 29.

Referring to FIG. 5C, the bumper bracket 43 includes a reinforcement connecting portion 56 inserted into the insertion groove 24 of the bumper reinforcing material 4 and an inclined portion integrally formed with the reinforcing member connecting portion 56. 43, an upper end portion 30 formed inclined integrally with the inclined portion 43, an inserting inclined portion 31 formed integrally inclined with the upper end 30, and the insertion inclined portion A vertical portion 40 formed integrally with the vertical portion 40, a lower portion 33 formed integrally with the vertical portion 40, and extending perpendicularly from the lower portion 33; The connecting portion 53 and the side portion 32 formed extending in the direction perpendicular to the connecting portion 53, the insertion inclined portion 31, the absorption bracket 34, the lower end 33 is a frame connection hole ( 57) is formed.

Referring to FIG. 5D, the absorbent bracket 34 includes a lower end portion 38 contacting the insertion inclined portion 31, an inclined portion 37 formed integrally with the lower end portion 38, and the inclined portion. It consists of an upper portion 36 formed inclined integrally and gently with the portion 37.

Referring to FIGS. 6 and 7, the coupling state between the frame 42 and the bumper bracket 43 will be described. The upper end portion 36 of the absorption bracket 34 is inserted into the insertion groove 39 of the stop bracket 26. Insert it until the connecting portion 53 of the bumper bracket 43 is in contact with the frame 42 so as to be covered, and insert the bolt through the bumper bracket connecting hole 19 and the frame connecting hole 57 to make the frame 42 ) And the bumper bracket (43).

Referring to FIG. 8, the energy absorption process generated during the collision will be described. When collision energy is applied to the bumper bracket via the bumper cover 5 and the bumper reinforcement 4, the inclined portion 54 of the bumper bracket is framed. The collision energy is transmitted to the lower end 29 of the stop bracket 26, the lower end 29 is pushed forward the inclined portion 37 of the absorption bracket 34, so that the absorption bracket 34 is It will rise.

In this process, a portion of the collision energy is absorbed and less impact energy is transmitted to the vehicle body 1 than the applied collision energy.

Therefore, the vehicle body can be prevented from being deformed even at a larger collision energy than before.

As described above, in the combined structure of the bumper bracket and the frame according to the present invention, an absorption bracket capable of absorbing collision energy is formed in the conventional bumper bracket, the front of the frame is opened, and the bumper bracket in case of collision therein. By forming a stationary bracket that can suppress the progression, a portion of the collision energy can be absorbed to increase the strength of the vehicle body.

Claims (2)

On the bumper bracket which is opened to the bumper, and has a frame attached with a stop bracket welded to the lower part of the upper end, and inserted into the opening of the frame, the absorbing bracket is mounted on the inclined insertion inclined portion and engaged with the stop bracket. In the absorption bracket 34, the inclined portion 37 and the inclined portion 37 formed inclined integrally with the lower end portion 38, the lower end portion 38 in contact with the insertion inclined portion 31 and Bumper bracket fastening structure, characterized in that the upper portion 36 formed to form a gentle slope integrally. The bumper bracket fastening structure according to claim 1, wherein the bumper bracket (43) further comprises a reinforcing material connecting portion (55) to engage with the bumper reinforcing material (4).