CN216580712U

CN216580712U - Longitudinal beam front end reinforcement with energy absorption mechanism

Info

Publication number: CN216580712U
Application number: CN202122970470.9U
Authority: CN
Inventors: 代鑫廷
Original assignee: Dingzhou Tongchuang Auto Parts Co ltd
Current assignee: Dingzhou Tongchuang Auto Parts Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-24
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a longitudinal beam front end reinforcement with an energy absorption mechanism, and relates to the technical field of automobile accessories. According to the utility model, when the front transverse plate is impacted, the spring can convert impact potential energy into elastic potential energy to play a role in absorbing energy again, the movable rod drives the sliding block to move in the sliding groove, a part of impact potential energy can be converted into kinetic energy for moving the sliding block and heat energy generated by friction between the sliding block and the sliding groove, and a double energy absorption effect is played.

Description

Longitudinal beam front end reinforcement with energy absorption mechanism

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a longitudinal beam front end reinforcing piece with an energy absorption mechanism.

Background

Along with the increase of the possession of modern automobiles, the incidence rate of automobile collision accidents is higher and higher, the safety problem of driving is more and more emphasized by the public, the strength of the existing automobile front longitudinal beam cannot guarantee that enough protection is provided for people riding the frame during the frontal collision of the automobiles, so that great damage is often caused to drivers and other passengers during the collision, and the reinforcing piece with the energy absorption mechanism for the front end of the longitudinal beam is provided.

The existing longitudinal beam front end reinforcing piece with the energy absorption mechanism is single in energy absorption structure, cannot perform multiple energy absorption on received impact, is poor in energy absorption effect, and is easy to break when the longitudinal beam is impacted.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a longitudinal beam front end reinforcing piece with an energy absorption mechanism, which has the characteristics of capability of realizing multiple energy absorption and good energy absorption effect.

In order to achieve the purpose, the utility model provides the following technical scheme:

a stringer front end reinforcement with an energy absorbing mechanism, comprising:

the front transverse plate, the inside both sides through connection of front transverse plate has the fixed column, and the top welding of fixed column has the stopper, the bottom of fixed column is connected with first longeron, and is connected with the spring between first longeron and the front transverse plate, the second longeron is installed in the left side of first longeron, the first longeron is connected with the flexible baffle with the front below of second longeron, and the spout has all been seted up to the inboard of first longeron and second longeron, the internally mounted of spout has the slider, and the upper and lower both sides bonding of slider has the blotter, the external connection of slider has the movable rod, and installs the hinge between movable rod and the front transverse plate.

Further, the bottom surface central authorities of preceding diaphragm install first screw thread sleeve, and first screw thread sleeve's internal connection has the screw rod, first screw thread sleeve is connected with second screw thread sleeve through the screw rod, the telescopic bottom of second screw thread is connected with the elastic plate, and the both ends butt of elastic plate has the fixture block.

By adopting the technical scheme, when the front transverse plate is impacted laterally or transversely, the first longitudinal beam and the second longitudinal beam have the tendency of moving in opposite directions, and at the moment, the elastic plate and the elastic baffle plate deform, so that part of impact potential energy can be converted into elastic potential energy, the energy absorption effect is achieved, and the damage to the first longitudinal beam and the second longitudinal beam is reduced.

Furthermore, a sliding connection is formed between the front transverse plate and the fixing column, and an elastic structure is formed between the front transverse plate and the first longitudinal beam through a spring.

Through adopting above-mentioned technical scheme, the fixed column runs through the back with preceding diaphragm, and preceding diaphragm can reciprocate under the restriction of fixed column and stopper to leave certain buffer distance, when the current diaphragm received the impact, can slide downwards in the outside of fixed column, thereby cause the extrusion to the spring, the spring can be with assaulting potential energy conversion elastic potential energy, thereby plays the effect of energy-absorbing.

Furthermore, the movable rods and the front transverse plate form movable connection through hinges, and the two groups of the movable rods are symmetrically distributed about the central axis of the front transverse plate.

Through adopting above-mentioned technical scheme, constitute swing joint through the hinge between movable rod and the preceding diaphragm, when the preceding diaphragm moves down, can take the movable rod downstream, guarantee that cracked phenomenon can not appear in the junction of movable rod and preceding diaphragm, two sets of movable rods of symmetric distribution can form triangle supporting construction respectively with between preceding diaphragm, first longeron and the second longeron, and anti-seismic performance is better.

Furthermore, be sliding connection between slider and the spout, and the outer wall of slider is inseparable with the inner wall laminating of spout.

Through adopting above-mentioned technical scheme, when the current diaphragm received the impact and the lapse, can drive the movable rod lapse, the movable rod drives the slider and removes in the spout, can convert some impact potential energy into the kinetic energy that the slider removed and the heat energy that the friction produced between slider and the spout to can alleviate the impact strength to first longeron and second longeron, the laminating closely ensures the stability that the slider removed the in-process.

Furthermore, a fixing structure is formed between the elastic plate and the first threaded sleeve through a second threaded sleeve and the screw, and the width of the elastic plate is consistent with the diameter of the second threaded sleeve.

Through adopting above-mentioned technical scheme, can be in the same place elastic plate and first threaded sleeve connection through second threaded sleeve and screw rod, can exert a decurrent effort through the screw rod to the center of elastic plate when the current diaphragm receives the impact, the elastic plate takes place deformation this moment to with partly impact potential energy conversion elastic potential energy, play the effect of energy-absorbing.

Furthermore, a fixing structure is formed between the first longitudinal beam and the second longitudinal beam through an elastic baffle, and the first longitudinal beam and the second longitudinal beam are symmetrical about the central axis of the front transverse plate.

By adopting the technical scheme, the first longitudinal beam and the second longitudinal beam are fixed together through the elastic baffle, when the front transverse plate is impacted laterally or transversely, the first longitudinal beam and the second longitudinal beam have the tendency of moving in opposite directions, and the elastic plate and the elastic baffle deform at the moment, so that part of impact potential energy can be converted into elastic potential energy, and the energy absorption effect is achieved.

In conclusion, the utility model has the following beneficial effects:

1. according to the utility model, when the front transverse plate is impacted, the spring can convert impact potential energy into elastic potential energy to play a role in absorbing energy again, the movable rod drives the sliding block to move in the sliding groove, a part of impact potential energy can be converted into kinetic energy for moving the sliding block and heat energy generated by friction between the sliding block and the sliding groove, and a double energy absorption effect is played.

2. According to the utility model, when the front transverse plate is impacted laterally or transversely, the first longitudinal beam and the second longitudinal beam have the tendency of moving in opposite directions, and at the moment, the elastic plate and the elastic baffle plate deform, so that a part of impact potential energy can be converted into elastic potential energy, an energy absorption effect is achieved, and the damage to the first longitudinal beam and the second longitudinal beam is reduced.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the overall backside structure of the present invention;

fig. 3 is a schematic view of an inner side structure of the second longitudinal beam.

In the figure:

1. a limiting block; 2. a front cross plate; 3. a hinge; 4. a first threaded sleeve; 5. fixing a column; 6. a spring; 7. a movable rod; 8. a first stringer; 9. an elastic baffle plate; 10. a screw; 11. a chute; 12. a second stringer; 13. a clamping block; 14. an elastic plate; 15. a second threaded sleeve; 16. a slider; 17. a cushion pad.

Detailed Description

Example (b):

the present invention is described in further detail below with reference to figures 1-3.

Referring to fig. 1-3, a longitudinal beam front end reinforcement with an energy absorbing mechanism comprises a front cross plate 2, fixing columns 5 are connected to two inner sides of the front cross plate 2 in a penetrating manner, limit blocks 1 are welded to the top ends of the fixing columns 5, the front cross plate 2 is in sliding connection with the fixing columns 5, an elastic structure is formed between the front cross plate 2 and a first longitudinal beam 8 through springs 6, after the front cross plate 2 is penetrated through by the fixing columns 5, the front cross plate 2 can move up and down under the limitation of the fixing columns 5 and the limit blocks 1, so that a certain buffering distance is reserved, when the front cross plate 2 is impacted, the front cross plate 2 can slide down outside the fixing columns 5, so that the springs 6 are squeezed, the springs 6 can convert impact potential energy into elastic potential energy, so that an energy absorbing effect is achieved, the bottom end of the fixing columns 5 is connected with the first longitudinal beam 8, and the springs 6 are connected between the first longitudinal beam 8 and the front cross plate 2, the left side of the first longitudinal beam 8 is provided with a second longitudinal beam 12, the front lower parts of the first longitudinal beam 8 and the second longitudinal beam 12 are connected with an elastic baffle 9, the inner sides of the first longitudinal beam 8 and the second longitudinal beam 12 are respectively provided with a sliding groove 11, a sliding block 16 is arranged inside the sliding groove 11, the upper side and the lower side of the sliding block 16 are bonded with a buffer cushion 17, the sliding block 16 is in sliding connection with the sliding groove 11, the outer wall of the sliding block 16 is tightly attached to the inner wall of the sliding groove 11, when the transverse plate 2 is impacted and moves downwards, the sliding block 7 can be driven to move downwards, the sliding block 16 is driven by the movable rod 7 to move in the sliding groove 11, a part of impact potential energy can be converted into kinetic energy for moving the sliding block 16 and heat energy generated by friction between the sliding block 16 and the sliding groove 11, so that the impact strength to the first longitudinal beam 8 and the second longitudinal beam 12 can be reduced, the attachment tightly ensures the stability of the sliding block 16 in the moving process, the external connection of slider 16 has movable rod 7, and install hinge 3 between movable rod 7 and the preceding diaphragm 2, constitute swing joint through hinge 3 between movable rod 7 and the preceding diaphragm 2, and movable rod 7 has two sets ofly about the central axis symmetric distribution of preceding diaphragm 2, constitute swing joint through hinge 3 between movable rod 7 and the preceding diaphragm 2, when current diaphragm 2 moves down, can take movable rod 7 to move down, guarantee that cracked phenomenon can not appear in the junction of movable rod 7 and preceding diaphragm 2, two sets of movable rod 7 of symmetric distribution can respectively with preceding diaphragm 2, form triangle supporting construction between first longeron 8 and the second longeron 12, anti-seismic performance is better.

A first threaded sleeve 4 is installed in the center of the bottom surface of the front transverse plate 2, a screw rod 10 is connected inside the first threaded sleeve 4, the first threaded sleeve 4 is connected with a second threaded sleeve 15 through the screw rod 10, an elastic plate 14 is connected to the bottom end of the second threaded sleeve 15, clamping blocks 13 are abutted to two ends of the elastic plate 14, the elastic plate 14 and the first threaded sleeve 4 form a fixed structure through the second threaded sleeve 15 and the screw rod 10, the width of the elastic plate 14 is consistent with the diameter of the second threaded sleeve 15, the elastic plate 14 and the screw rod 10 can be connected together through the second threaded sleeve 15 and the screw rod 10, a downward acting force can be applied to the center of the elastic plate 14 through the screw rod 10 when the front transverse plate 2 is impacted, at the moment, the elastic plate 14 is deformed, so that a part of impact potential energy is converted into elastic potential energy, and an energy absorption effect is achieved, the first longitudinal beam 8 and the second longitudinal beam 12 form a fixed structure through the elastic baffle 9, the first longitudinal beam 8 and the second longitudinal beam 12 are symmetrical about the central axis of the front transverse plate 2, the first longitudinal beam 8 and the second longitudinal beam 12 are fixed together through the elastic baffle 9, when the front transverse plate 2 is impacted laterally or transversely, the first longitudinal beam 8 and the second longitudinal beam 12 have the tendency of moving in opposite directions, and the elastic plate 14 and the elastic baffle 9 deform at the moment, so that a part of impact potential energy can be converted into elastic potential energy, and the energy absorption effect is achieved.

The working principle is as follows: when the front transverse plate 2 is impacted, the front transverse plate can slide downwards outside the fixed column 5, so that the spring 6 is extruded, the spring 6 can convert impact potential energy into elastic potential energy, an energy absorption effect is achieved, the movable rod 7 can be driven to move downwards, the movable rod 7 can respectively form a triangular supporting structure with the front transverse plate 2, the first longitudinal beam 8 and the second longitudinal beam 12, the anti-seismic performance is good, the movable rod 7 drives the sliding block 16 to move in the sliding groove 11, a part of impact potential energy can be converted into kinetic energy for moving the sliding block 16 and heat energy generated by friction between the sliding block 16 and the sliding groove 11, so that impact on the first longitudinal beam 8 and the second longitudinal beam 12 can be relieved, when the front transverse plate 2 is impacted, a downward acting force can be applied to the center of the elastic plate 14 through the screw rod 10, at the moment, the elastic plate 14 deforms, so that a part of impact potential energy is converted into elastic potential energy, the energy absorption effect is achieved, when the transverse plate 2 is impacted laterally or transversely, the first longitudinal beam 8 and the second longitudinal beam 12 have the tendency of moving in opposite directions, and at the moment, the elastic plate 14 and the elastic baffle 9 deform, so that a part of impact potential energy can be converted into elastic potential energy, the energy absorption effect is achieved, and the damage to the first longitudinal beam 8 and the second longitudinal beam 12 is reduced.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A stringer front end stiffener with an energy absorbing mechanism, comprising:

the two sides of the inner part of the front transverse plate (2) are connected with fixed columns (5) in a penetrating way, the top end of the fixed column (5) is welded with a limiting block (1), the bottom end of the fixed column (5) is connected with a first longitudinal beam (8), and a spring (6) is connected between the first longitudinal beam (8) and the front transverse plate (2), a second longitudinal beam (12) is arranged on the left side of the first longitudinal beam (8), an elastic baffle plate (9) is connected below the front sides of the first longitudinal beam (8) and the second longitudinal beam (12), and the inner sides of the first longitudinal beam (8) and the second longitudinal beam (12) are both provided with a sliding chute (11), a sliding block (16) is arranged inside the sliding chute (11), cushion pads (17) are bonded on the upper side and the lower side of the sliding block (16), a movable rod (7) is connected outside the sliding block (16), and a hinge (3) is arranged between the movable rod (7) and the front transverse plate (2).

2. The front end stiffener for a stringer having an energy absorbing mechanism according to claim 1, wherein: preceding diaphragm (2) bottom surface central authorities install first screw sleeve (4), and the internal connection of first screw sleeve (4) has screw rod (10), first screw sleeve (4) are connected with second screw sleeve (15) through screw rod (10), the bottom of second screw sleeve (15) is connected with springboard (14), and the both ends butt of springboard (14) have fixture block (13).

3. The front end stiffener for a stringer having an energy absorbing mechanism according to claim 1, wherein: and the front transverse plate (2) is in sliding connection with the fixed column (5), and the front transverse plate (2) and the first longitudinal beam (8) form an elastic structure through a spring (6).

4. The front end stiffener for a stringer having an energy absorbing mechanism according to claim 1, wherein: the movable rods (7) and the front transverse plate (2) form movable connection through hinges (3), and the movable rods (7) are symmetrically distributed with two groups about the central axis of the front transverse plate (2).

5. The front end stiffener for a stringer having an energy absorbing mechanism according to claim 1, wherein: the sliding block (16) is in sliding connection with the sliding groove (11), and the outer wall of the sliding block (16) is tightly attached to the inner wall of the sliding groove (11).

6. The front end stiffener for a stringer having an energy absorbing mechanism of claim 2, wherein: a fixing structure is formed between the elastic plate (14) and the first threaded sleeve (4) through a second threaded sleeve (15) and the screw (10), and the width of the elastic plate (14) is consistent with the diameter of the second threaded sleeve (15).

7. The front end stiffener for a side member having an energy absorbing mechanism as claimed in claim 1, wherein: the first longitudinal beam (8) and the second longitudinal beam (12) form a fixed structure through an elastic baffle (9), and the first longitudinal beam (8) and the second longitudinal beam (12) are symmetrical about the central axis of the front transverse plate (2).