CN216232090U - Automobile two-stage buffer rear protective bar - Google Patents
Automobile two-stage buffer rear protective bar Download PDFInfo
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- CN216232090U CN216232090U CN202122967148.0U CN202122967148U CN216232090U CN 216232090 U CN216232090 U CN 216232090U CN 202122967148 U CN202122967148 U CN 202122967148U CN 216232090 U CN216232090 U CN 216232090U
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- cross bar
- automobile
- upper cross
- lower cross
- bar
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Abstract
The utility model discloses a two-stage buffering rear protective bar for an automobile, belongs to the field of rear protective bars, and solves the problem that the side protective effect is poor due to the fact that two ends of the conventional automobile rear protective bar are hard. The rear protective bar comprises an upper cross bar and a lower cross bar, wherein one side of the upper cross bar is connected with one side of the top of an automobile beam through a connecting plate, the upper cross bar is connected with the lower cross bar through a plurality of channel steel, the distance between the upper cross bar and the automobile beam is smaller than that between the lower cross bar and the automobile beam, one side of the lower cross bar is connected with one side of the bottom of the automobile beam through a reinforcing plate, and one side of the top of the reinforcing plate is provided with a plurality of arc-shaped grooves; the both ends of going up whippletree, lower whippletree all are equipped with the rubber sleeve, just go up whippletree, lower whippletree in all fill and have soft material. The automobile two-stage buffer rear guard bar disclosed by the utility model has the advantage that the protection effect of the rear guard bar is effectively improved.
Description
Technical Field
The utility model relates to a rear bumper, in particular to a two-stage buffering rear bumper of an automobile.
Background
The bumper is also called as a bumper and is a safety device for absorbing and slowing down external impact force and protecting the front and the rear parts of an automobile body, and the rear bumper is a common bumper for automobiles, particularly common in large-sized trucks, semitrailers and the like. Rear bumpers for vehicles generally comprise cross members and are secured to structural members such as the frame and the chassis of the vehicle, and have sufficient stopping power to prevent rear vehicles from digging into the underside of the vehicle in the event of a rear-end collision. When the existing automobile rear protective bar is used, because the two ends of the rear protective bar are hard and are not round, when collision in the side rear direction occurs, serious injury is easily caused to rear vehicles and personnel, and the protective effect is still not ideal. Therefore, the existing automobile rear bumper needs to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of the prior art, provides a two-stage buffering rear protective bar of an automobile, and effectively improves the protection effect of the rear protective bar.
The technical scheme of the utility model is as follows: a two-stage buffering rear protective bar of an automobile comprises an upper cross bar and a lower cross bar, wherein one side of the upper cross bar is connected with one side of the top of an automobile beam through a connecting plate, the upper cross bar is connected with the lower cross bar through a plurality of channel steel, the distance between the upper cross bar and the automobile beam is smaller than that between the lower cross bar and the automobile beam, one side of the lower cross bar is connected with one side of the bottom of the automobile beam through a reinforcing plate, and a plurality of arc-shaped grooves are formed in one side of the top of the reinforcing plate; the both ends of going up whippletree, lower whippletree all are equipped with the rubber sleeve, just go up whippletree, lower whippletree in all fill and have soft material.
The automobile frame is further improved, two ends of the reinforcing plate are respectively provided with a connecting flange, and the connecting flanges are respectively connected with the lower cross bar and the automobile frame through fastening bolts.
Furthermore, the positions of the channel steel correspond to the positions of the reinforcing plates, and each channel steel corresponds to one reinforcing plate.
Furthermore, the rubber sleeve is riveted with the upper cross bar and the lower cross bar through rivets.
Furthermore, the wall thickness of one end of the rubber sleeve, which is far away from the upper cross bar and the lower cross bar, is greater than the wall thickness of one end of the rubber sleeve, which is attached to the upper cross bar and the lower cross bar.
Furthermore, a buffer gap is formed between the inner wall of one end of the rubber sleeve and the end parts of the upper cross bar and the lower cross bar.
Furthermore, the distance difference a between the upper cross bar and the lower cross bar relative to the automobile frame is 10 cm-20 cm.
Furthermore, reflective films are adhered to the upper cross bar, the lower cross bar and the channel steel.
Furthermore, the connecting plates are welded with the automobile beam and the upper cross bar, and the channel steel is welded with the upper cross bar and the lower cross bar.
Advantageous effects
1. According to the automobile two-stage buffer rear protective bar, the rubber sleeves are arranged at the two ends of the upper cross bar and the lower cross bar, so that the two ends of the whole rear protective bar have plastic buffer effects, the problem that the side protection effect is poor due to the fact that the two ends of the existing automobile rear protective bar are hard is solved, and the protection effect of the rear protective bar is effectively improved.
2. According to the automobile two-stage buffer rear guard bar, the upper cross bar and the lower cross bar which are arranged in a staggered mode relative to the automobile beam are arranged, the upper cross bar is connected with the automobile beam through the channel steel, the upper cross bar is connected with the automobile beam through the connecting plate, the lower cross bar is connected with the automobile beam through the reinforcing plate, so that the whole rear guard bar can form a two-stage buffer mode, when collision occurs, the lower cross bar forms primary buffer to the collision, the lower cross bar is transmitted to the upper cross bar through the channel steel, and the upper cross bar forms secondary buffer to the collision, so that the protection effect is further improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged schematic view of the cross-sectional structure at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the cross-sectional structure at B in FIG. 1;
fig. 4 is an enlarged schematic side view of the present invention.
Wherein: 1-upper horizontal bar, 2-lower horizontal bar, 3-connecting plate, 4-automobile beam, 5-channel steel, 6-reinforcing plate, 7-arc groove, 8-rubber sleeve, 9-soft material, 10-connecting flange, 11-fastening bolt, 12-buffer gap and 13-reflective film.
Detailed Description
The utility model is further described below with reference to examples, but not to be construed as being limited thereto, and any number of modifications which can be made by anyone within the scope of the claims are also within the scope of the claims.
Referring to fig. 1-4, the two-stage buffer rear bumper for the automobile of the utility model comprises an upper cross bar 1 and a lower cross bar 2, wherein the upper cross bar 1 and the lower cross bar 2 are rectangular tubes of 120 × 80mm, one side of the upper cross bar 1 is connected with one side of the top of an automobile beam 4 through a connecting plate 3, so that a deformation space capable of buffering relatively is arranged between the upper cross bar 1 and the automobile beam 4, the upper cross bar 1 is in direct rigid contact with the automobile beam 4 during collision prevention, the buffer effect is further enhanced, the upper cross bar 1 is connected with the lower cross bar 2 through a plurality of channel steel 5, the channel steel 5 is a bent channel steel of 150 × 50mm, the distance between the upper cross bar 1 and the automobile beam 4 is smaller than that between the lower cross bar 2 and the automobile beam 4, namely, the lower cross bar 2 is positioned below the upper cross bar 1, the lower cross bar 2 is positioned at the rear side of the upper cross bar 1, and a rear vehicle collides with the lower cross bar 2 first during collision, then, a two-stage buffer structure is formed on the upper cross bar 1, one side of the lower cross bar 2 is connected with one side of the bottom of the automobile beam 4 through a reinforcing plate 6, the reinforcing plate 6 is obliquely arranged between the automobile beam 4 and the lower cross bar 2, the stability of the lower cross bar 2 is improved, a plurality of arc-shaped grooves 7 are formed in one side of the top of the reinforcing plate 6, when impact occurs, the lower cross bar 2 gives impact force to the reinforcing plate 6, the reinforcing plate 6 deforms to form buffer, and the structural design of the arc-shaped grooves 7 can help the reinforcing plate 6 to deform and reduce rigid impact force, so that the buffer effect is improved; the two ends of the upper cross bar 1 and the lower cross bar 2 are both provided with rubber sleeves 8, soft materials 9 are filled in the upper cross bar 1 and the lower cross bar 2, and the soft materials 9 can be foam or plastic, so that the effect of further buffering is achieved.
According to the two-stage buffering rear protective bar for the automobile, the rubber sleeves 8 are arranged at the two ends of the upper cross bar 1 and the lower cross bar 2, so that the two ends of the whole rear protective bar have plastic buffering effects, the problem that the side protection effect is poor due to the fact that the two ends of the existing automobile rear protective bar are hard is solved, and the protection effect of the rear protective bar is effectively improved.
Meanwhile, the automobile two-stage buffer rear guard bar is characterized in that the upper cross bar 1 and the lower cross bar 2 which are arranged in a staggered mode relative to the automobile beam 4 are arranged, the upper cross bar 1 is connected with the lower cross bar 2 through the channel steel 5, the upper cross bar 1 is connected with the automobile beam 4 through the connecting plate 3, and the lower cross bar 2 is connected with the automobile beam 4 through the reinforcing plate 6, so that the whole rear guard bar can form a two-stage buffer mode.
Preferably, the two ends of the reinforcing plate 6 are respectively provided with a connecting flange 10, and the connecting flanges 10 are respectively connected with the lower cross bar 2 and the automobile frame 4 through fastening bolts 11, so that the reinforcing plate 6 is convenient to assemble and disassemble. And the connecting flange 10 and the reinforcing plate 6 are of an integrated structure, so that the rigidity strength between the reinforcing plate 6 and the connecting flange 10 is improved.
Preferably, the position of channel-section steel 5 is corresponding with the position of reinforcing plate 6, and every channel-section steel 5 corresponds a reinforcing plate 6 for whole protection thick stick atress is more stable, and the appearance is more pleasing to the eye simultaneously.
Preferably, rubber sleeve 8 and last whippletree 1, all through rivet riveting between whippletree 2, improve the connection reliability between rubber sleeve 8 and last whippletree 1, the whippletree 2. In other embodiments, the rubber sleeve 8 can be connected with the upper cross bar 1 and the lower cross bar 2 through bolts, so that the rubber sleeve is convenient to disassemble, assemble and replace.
Preferably, the wall thickness of the end, far away from the upper cross bar 1 and the lower cross bar 2, of the rubber sleeve 8 is larger than the wall thickness of the end, attached to the upper cross bar 1 and the lower cross bar 2, of the rubber sleeve 8, and the buffering performance of the rubber sleeve 8 is improved. Further, a buffer gap 12 is formed between the inner wall of one end of the rubber sleeve 8 and the end parts of the upper cross bar 1 and the lower cross bar 2, so that a space is provided for the rubber sleeve 8 to deform under the impact force, and the buffer performance of the rubber sleeve 8 is further improved.
Preferably, the distance difference a between the upper and lower bars 1 and 2 and the automobile frame 4 is 10cm to 20cm, thereby further improving the cushioning effect of the entire rear bumper.
Preferably, all paste on last horizontal bar 1, lower horizontal bar 2, channel-section steel 5 and have reflective membrane 13, play the effect of warning rear vehicle, further improve the guard effect.
Preferably, the connecting plate 3 is connected with the automobile beam 4 and the upper cross bar 1 in a welding manner, and the channel steel 5 is connected with the upper cross bar 1 and the lower cross bar 2 in a welding manner, so that the mounting is convenient.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the utility model, which will not affect the effect of the utility model and the practicability of the patent.
Claims (9)
1. A two-stage buffering rear bumper of an automobile is characterized by comprising an upper cross bar (1) and a lower cross bar (2), wherein one side of the upper cross bar (1) is connected with one side of the top of an automobile beam (4) through a connecting plate (3), the upper cross bar (1) is connected with the lower cross bar (2) through a plurality of channel steel (5), the distance between the upper cross bar (1) and the automobile beam (4) is smaller than the distance between the lower cross bar (2) and the automobile beam (4), one side of the lower cross bar (2) is connected with one side of the bottom of the automobile beam (4) through a reinforcing plate (6), and one side of the top of the reinforcing plate (6) is provided with a plurality of arc-shaped grooves (7); the rubber sleeve (8) is arranged at the two ends of the upper cross bar (1) and the lower cross bar (2), and the soft material (9) is filled in the upper cross bar (1) and the lower cross bar (2).
2. The automobile two-stage buffer rear bumper as claimed in claim 1, wherein two ends of the reinforcing plate (6) are respectively provided with a connecting flange (10), and the connecting flanges (10) are respectively connected with the lower cross bar (2) and the automobile frame (4) through fastening bolts (11).
3. The automobile two-stage buffer rear bumper as claimed in claim 1, wherein the positions of the channel steels (5) correspond to the positions of the reinforcing plates (6), and each channel steel (5) corresponds to one reinforcing plate (6).
4. The automobile two-stage buffer rear bumper as claimed in claim 1, wherein the rubber sleeve (8) is riveted with the upper cross bar (1) and the lower cross bar (2) through rivets.
5. The automobile two-stage buffer rear bumper as claimed in claim 1, wherein the wall thickness of the end of the rubber sleeve (8) far away from the upper cross bar (1) and the lower cross bar (2) is larger than the wall thickness of the end attached to the upper cross bar (1) and the lower cross bar (2).
6. The automobile two-stage buffer rear bumper as claimed in claim 1, wherein a buffer gap (12) is formed between an inner wall of one end of the rubber sleeve (8) and the end portions of the upper cross bar (1) and the lower cross bar (2).
7. The automobile two-stage buffer rear bumper according to claim 1, characterized in that the distance difference a between the upper cross bar (1) and the lower cross bar (2) relative to the automobile beam (4) is 10 cm-20 cm.
8. The automobile two-stage buffer rear bumper as claimed in any one of claims 1-7, wherein the upper cross bar (1), the lower cross bar (2) and the channel steel (5) are all adhered with reflective films (13).
9. The automobile two-stage buffer rear bumper as claimed in claim 8, wherein the connecting plate (3) is welded to the automobile frame (4) and the upper cross bar (1), and the channel steel (5) is welded to the upper cross bar (1) and the lower cross bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122967148.0U CN216232090U (en) | 2021-11-30 | 2021-11-30 | Automobile two-stage buffer rear protective bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122967148.0U CN216232090U (en) | 2021-11-30 | 2021-11-30 | Automobile two-stage buffer rear protective bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216232090U true CN216232090U (en) | 2022-04-08 |
Family
ID=80958870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122967148.0U Active CN216232090U (en) | 2021-11-30 | 2021-11-30 | Automobile two-stage buffer rear protective bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216232090U (en) |
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2021
- 2021-11-30 CN CN202122967148.0U patent/CN216232090U/en active Active
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