CN210027310U

CN210027310U - Automobile rear bumper

Info

Publication number: CN210027310U
Application number: CN201920646956.7U
Authority: CN
Inventors: 薛育成
Original assignee: CHANGZHOU SHUNDE VEHICLE INDUSTRY Co Ltd
Current assignee: CHANGZHOU SHUNDE VEHICLE INDUSTRY Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-02-07
Anticipated expiration: 2029-05-08

Abstract

The utility model provides a guard bar behind car installs the effect that plays the anticollision protection rear of a vehicle on the rear of a vehicle. The utility model discloses a main framework and strengthening rib are the alloy aluminum product, so not only can accomplish the automobile body lightweight, and the intensity and the toughness of fender thick stick all have by a relatively large margin enhancement behind the car. The cross section of main skeleton is U type structure, the strengthening rib is including perpendicular muscle and horizontal muscle, horizontal muscle welding is on a plurality of perpendicular muscle, perpendicular muscle welding is between roof and bottom plate, the connecting block welding on the perpendicular muscle is on the medial surface of curb plate, still weld between a plurality of connecting blocks has supplementary muscle, the strengthening rib effectively strengthens each side of main skeleton like this, the support intensity of main skeleton is higher, the main skeleton can bear great impact force, when bumping, the rear of a vehicle can effectively be protected to the main skeleton.

Description

Automobile rear bumper

Technical Field

The utility model belongs to the technical field of the automobile parts technique and specifically relates to a protect thick stick behind car.

Background

The automobile rear bumper is arranged on the automobile tail to protect the automobile tail from being collided, the area of the general automobile tail is large, and the automobile tail is easily extruded and deformed when collision occurs. At present, the rear protective bar of an automobile is basically arranged at the bottom of the tail of the automobile, and the bottom of the tail of the automobile protrudes outwards compared with the whole automobile body, so that when the automobile backs backwards, the rear protective bar can protect the tail of the automobile from being scraped by foreign objects, when the automobile collides with the tail due to rear end collision, the impact force borne by the rear protective bar is the largest, and the supporting strength of the rear protective bar determines the protective capacity of the rear protective bar on the tail of the automobile. The structural formula of current fender thick stick behind the car is single, mostly is steel tubular construction or punching press section bar, and anticollision support intensity is limited, and fender thick stick deflection is great behind the car when bumping, and anticollision support ability is more weak, and is poor to the protection effect of rear of a vehicle. At present, a light automobile body is pursued by an automobile, a hollow aluminum material is mostly adopted as a rear bumper, and compared with a traditional steel material, the support strength of the alloy aluminum material has the advantages of light weight and good toughness, particularly good capability of recovering elastic deformation, the alloy aluminum material can be completely recovered in the case of slight collision, and the maintenance cost can be effectively reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a guard bar behind car adopts aluminium alloy material as the main frame, and the main frame is U type structure, and welding has perpendicular muscle and horizontal muscle in the main frame, improves the support intensity of main frame, also can keep fine support intensity when solving lightweight.

The technical scheme of the utility model is realized like this: a rear bumper of an automobile comprises an arched main framework and reinforcing ribs welded in the main framework, wherein the main framework and the reinforcing ribs are all made of aluminum alloy; mounting plates are arranged at two ends of the main framework outwards, and mounting holes are formed in the mounting plates; the reinforcing ribs comprise a plurality of vertical ribs and horizontal ribs connected among the vertical ribs, the horizontal ribs are welded among the plurality of vertical ribs, and the vertical ribs are provided with connecting blocks; the cross section of the main framework is U-shaped, the main framework comprises side plates, a top plate and a bottom plate, the upper end and the lower end of each side plate extend backwards, the vertical ribs are welded between the top plate and the bottom plate, and the connecting blocks are welded on the inner side surfaces of the side plates; and auxiliary ribs are welded among the connecting blocks.

Further, the vertical ribs are three and are welded at the middle position and the two ends of the main framework respectively, and the auxiliary ribs are welded between the two adjacent connecting blocks in an inclined state.

Furthermore, oblique fork arms are welded at the upper end and the lower end of the vertical rib towards the tail end of the connecting block respectively.

Furthermore, a plurality of long grooves and through holes are respectively hollowed on the top plate and the bottom plate.

Furthermore, a plurality of strip-shaped protruding strips are arranged on the outer side surface of the side plate.

By adopting the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses a guard bar behind the car installs the effect that plays the crashproof protection rear of a vehicle on the rear of a vehicle. The utility model discloses a main framework and strengthening rib are the alloy aluminum product, so not only can accomplish the automobile body lightweight, and the intensity and the toughness of fender thick stick all have by a relatively large margin enhancement behind the car. The cross section of main skeleton is U type structure, the strengthening rib is including perpendicular muscle and horizontal muscle, horizontal muscle welding is on a plurality of perpendicular muscle, perpendicular muscle welding is between roof and bottom plate, the connecting block welding on the perpendicular muscle is on the medial surface of curb plate, still weld between a plurality of connecting blocks has supplementary muscle, the strengthening rib effectively strengthens each side of main skeleton like this, the support intensity of main skeleton is higher, the main skeleton can bear great impact force, when bumping, the rear of a vehicle can effectively be protected to the main skeleton.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram 1 of the present invention;

fig. 2 is a schematic structural diagram 2 of the present invention;

fig. 3 is a schematic view of the split structure of the present invention;

wherein: wherein: 1. the main framework, the reinforcing ribs 2, the mounting plates 3, the mounting holes 4, the vertical ribs 5, the horizontal ribs 6, the connecting blocks 7, the side plates 8, the top plates 9, the bottom plates 10, the auxiliary ribs 11, the fork arms 12, the elongated slots 13, the through holes 14 and the convex strips 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, 2 and 3, the rear bumper of the automobile comprises an arched main framework 1 and reinforcing ribs 2 welded in the main framework 1, wherein the main framework 1 and the reinforcing ribs 2 are made of alloy aluminum; mounting plates 3 are arranged at two ends of the main framework 1 outwards, and mounting holes 4 are formed in the mounting plates 3; the reinforcing rib 2 comprises a plurality of vertical ribs 5 and horizontal ribs 6 connected between the vertical ribs 5, the horizontal ribs 6 are welded among the vertical ribs 5, and connecting blocks 7 are arranged on the vertical ribs 5; the cross section of the main framework 1 is U-shaped, the main framework 1 comprises a side plate 8, a top plate 9 and a bottom plate 10, the upper end and the lower end of the side plate 8 extend backwards, the vertical ribs 5 are welded between the top plate 9 and the bottom plate 10, and the connecting blocks 7 are welded on the inner side surface of the side plate 8; and auxiliary ribs 11 are welded among the connecting blocks 7.

The perpendicular muscle 5 of this embodiment is equipped with threely, and three perpendicular muscle 5 welds intermediate position and the both ends position at main skeleton 1 respectively, supplementary muscle 11 welds and is the tilt state between two adjacent connecting blocks 7. Because main frame 1 is the arch, the welding of three 5 alternate distributions of perpendicular muscle on main frame 1, and horizontal muscle 6 welds on perpendicular muscle 5, and supplementary muscle 11 welds on connecting block 7, can guarantee that main frame 1 has stronger support strength.

The upper end and the lower end of the vertical rib 5 of the embodiment are respectively welded with an oblique yoke 12 towards the tail end of the connecting block 7. The inclined fork arms 12 and the connecting blocks 7 and the vertical ribs 5 form a triangular supporting state, and the vertical ribs 5 and the connecting blocks 7 are firmly and stably welded between the top plate 9 and the bottom plate 10.

In the present embodiment, the top plate 9 and the bottom plate 10 are respectively hollowed with a plurality of elongated slots 13 and through holes 14. Because the top plate 9 and the bottom plate 10 of the main framework 1 are used for supporting the side plates 8, the hollow-out long grooves 13 and the hollow-out through holes 14 of the top plate 9 and the bottom plate 10 can not greatly reduce the supporting strength of the main framework 1, and the light weight of the main framework 1 can be realized.

The side plate 8 of this embodiment is provided with a plurality of elongated ridges 15 on the outer surface thereof. The convex strips 15 play a role in strengthening and supporting the side plates 8 of the main framework 1, and particularly strengthen the surface stress intensity of the main framework 1.

The utility model discloses a guard bar behind the car installs the effect that plays the crashproof protection rear of a vehicle on the rear of a vehicle. The utility model discloses a main frame 1 and strengthening rib 2 are the alloy aluminum product, so not only can accomplish the automobile body lightweight, and the intensity and the toughness of protecting the thick stick behind the car all have by a relatively large margin enhancement. The cross section of main skeleton 1 is U type structure, strengthening rib 2 is including perpendicular muscle 5 and horizontal muscle 6, the welding of horizontal muscle 6 is on a plurality of perpendicular muscle 5, the welding of perpendicular muscle 5 is between roof 9 and bottom plate 10, the welding of connecting block 7 on the perpendicular muscle 5 is on curb plate 8's medial surface, still weld supplementary muscle 11 between a plurality of connecting block 7, strengthening rib 2 effectively strengthens each side of main skeleton 1 like this, main skeleton 1's support strength is higher, main skeleton 1 can bear great impact force, when bumping, the rear of a vehicle can effectively be protected to main skeleton 1.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The automobile rear bumper is characterized by comprising an arched main framework (1) and reinforcing ribs (2) welded in the main framework (1), wherein the main framework (1) and the reinforcing ribs (2) are all made of alloy aluminum; mounting plates (3) are arranged at two ends of the main framework (1) outwards, and mounting holes (4) are formed in the mounting plates (3); the reinforcing rib (2) comprises a plurality of vertical ribs (5) and horizontal ribs (6) connected among the vertical ribs (5), the horizontal ribs (6) are welded among the vertical ribs (5), and connecting blocks (7) are arranged on the vertical ribs (5); the cross section of the main framework (1) is U-shaped, the main framework (1) comprises side plates (8) and a top plate (9) and a bottom plate (10) which extend backwards from the upper ends and the lower ends of the side plates (8), the vertical ribs (5) are welded between the top plate (9) and the bottom plate (10), and the connecting blocks (7) are welded on the inner side surfaces of the side plates (8); and auxiliary ribs (11) are welded among the connecting blocks (7).

2. The automobile rear bumper according to claim 1, characterized in that three vertical ribs (5) are provided, the three vertical ribs (5) are respectively welded at the middle position and the two end positions of the main framework (1), and the auxiliary rib (11) is welded between the two adjacent connecting blocks (7) in an inclined state.

3. The automobile rear bumper according to claim 1, characterized in that the upper and lower ends of the vertical rib (5) are welded with oblique yoke arms (12) respectively towards the end of the connecting block (7).

4. The rear bumper of claim 1, wherein the top plate (9) and the bottom plate (10) are each hollowed with a plurality of elongated slots (13) and through holes (14).

5. A rear fender according to claim 1, characterised in that the outer side of the side panel (8) is provided with a plurality of elongate ribs (15).