High-strength automobile rear bumper

Abstract

The utility model relates to the technical field of bumpers, in particular to a high-strength automobile rear bumper which comprises a bumper body, the two sides of the top end of the rear end face of the bumper body protrude backwards to form installation columns, and first installation holes are formed in the centers of the installation columns. A first annular reinforcing strip and a second annular reinforcing strip which are concentrically arranged are arranged on the rear end face of the mounting column, a plurality of connecting reinforcing strips are circumferentially arranged between the first annular reinforcing strip and the second annular reinforcing strip in an equally-divided mode, first mounting parts are arranged on the inner walls of the two sides of the top of the bumper body, and a plurality of clamping openings are evenly formed in the first mounting parts. The transverse reinforcing blocks are arranged at the two ends of the bayonet, one sides of the transverse reinforcing blocks are connected with the bumper body, the vertical reinforcing blocks connected with the two transverse reinforcing blocks are arranged on the other sides of the two transverse reinforcing blocks, the structural strength of the connecting position of the automobile bumper and the automobile is high, and the automobile bumper is not prone to being damaged and deformed due to external force.

Description

Technical Field

[0001] The utility model belongs to the technical field of bumpers, in particular to a high-strength automobile rear bumper. Background Art

[0002] The car bumper is a safety device that absorbs and mitigates external impact and protects the front and rear parts of the car body. It is a device that generates a buffer when the car or the driver is subjected to force during a collision. Existing rear bumpers are mostly made of plastic and are installed between the vehicle using mounting parts, bayonet holes, and screws. The rear bumper is relatively long, and it is very easy for the bayonet hole and mounting hole on one side to be misaligned during installation, while the bayonet hole and mounting hole on the other side cannot be aligned. It is inevitable that the installation position will be repeatedly disassembled and adjusted. The bayonet hole and mounting hole made of plastic are very easy to be damaged and deformed due to external forces during the adjustment and disassembly process. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a high-strength automobile rear bumper in view of the above defects, which has high structural strength at the connection with the vehicle and is not easily damaged or deformed due to external forces.

[0004] The utility model solves the technical problem by adopting the following technical solution: a high-strength automobile rear bumper, comprising a bumper body, both sides of the top end of the rear end surface of the bumper body protrude backwards to form a cylindrical mounting column, a first mounting hole is opened at the center of the mounting column, a first annular reinforcement bar and a second annular reinforcement bar are arranged on the rear end surface of the mounting column, the first annular reinforcement bar and the second annular reinforcement bar are arranged concentrically with the first mounting hole, and the inner diameter of the first annular reinforcement bar is larger than the first mounting hole, the inner diameter of the second annular reinforcement bar is larger than the first annular reinforcement bar, a plurality of connecting reinforcement bars are arranged on the outer surface of the first annular reinforcement bar at equal circumferences, and the end of the connecting reinforcement bar away from the first annular reinforcement bar is connected to the inner wall of the second annular reinforcement bar;

[0005] A first mounting portion is provided on the inner walls on both sides of the top of the bumper body, and a plurality of bayonet holes are evenly opened on the first mounting portion. Transverse reinforcement blocks are provided at both ends of the bayonet holes, one side of the transverse reinforcement block is connected to the bumper body, and a vertical reinforcement block connecting the two transverse reinforcement blocks is provided on the other side of the two transverse reinforcement blocks, and the bayonet holes are located on the inner sides of the transverse reinforcement blocks and the vertical reinforcement blocks.

[0006] Furthermore, a second mounting portion is disposed below the first mounting portion, and second mounting holes are evenly formed on the second mounting portion.

[0007] Furthermore, the bumper body is symmetrically provided with openings.

[0008] Furthermore, a first mounting protrusion and a second mounting protrusion are provided on the bumper body at the upper and lower ends of the opening.

[0009] Furthermore, a first connecting column is disposed on the first mounting protrusion, and a first positioning plate is disposed on the outer surface of the first connecting column to divide the circumference equally, and the first positioning plate is connected to the first mounting protrusion.

[0010] Furthermore, a second connecting column is arranged on the second mounting protrusion, a positioning column is arranged below the second connecting column, second positioning plates are arranged on both sides of the second connecting column, and a connecting plate is arranged between the positioning column and the second connecting column.

[0011] The beneficial effects of the utility model are:

[0012] The utility model cooperates with the first annular reinforcement strip, the second annular reinforcement strip, the connecting reinforcement strip, the transverse reinforcement block, and the vertical reinforcement block to increase the structural strength and rigidity of the mounting column and the first mounting hole. When the rear bumper is adjusted, when the mounting column and the first mounting hole are subjected to external force, the external force can be evenly dispersed and resisted by the first annular reinforcement strip, the second annular reinforcement strip, and the connecting reinforcement strip to prevent a situation in which a certain place is subjected to a large force. The transverse reinforcement block increases the structural strength of the connection between the first mounting part and the bumper body, and cooperates with the vertical reinforcement block to increase the wall thickness of the first mounting part at the bayonet, so as to prevent the first mounting part and the bayonet from being deformed and damaged under the external force of adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The foregoing and other objects, features and advantages of the present invention will become apparent from the following detailed description in conjunction with the accompanying drawings.

[0014] Figure 1 It is a three-dimensional diagram of the utility model.

[0015] Figure 2 for Figure 1 A schematic diagram of the enlarged structure of .

[0016] Figure 3 for Figure 1 An enlarged schematic diagram of the structure at location B.

[0017] Figure 4 This is a three-dimensional diagram of the first mounting protrusion of the utility model.

[0018] Figure 5 This is a three-dimensional diagram of the second mounting protrusion of the utility model.

[0019] Among them: 1. bumper body; 2. mounting column; 201. first mounting hole; 301. first annular reinforcement strip; 302. second annular reinforcement strip; 303. connecting reinforcement strip; 4. first mounting part; 401. bayonet; 501. transverse reinforcement block; 502. vertical reinforcement block; 6. second mounting part; 601. second mounting hole; 7. opening; 8. first mounting protrusion; 801. first connecting column; 802. first positioning plate; 9. second mounting protrusion; 901. second connecting column; 902. positioning column; 903. second positioning plate; 904. connecting plate. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings.

[0021] Reference Figure 1-5 As shown, a high-strength rear bumper for a vehicle comprises a bumper body 1, both sides of the top end of the rear end surface of the bumper body 1 are convexly formed to form mounting columns 2 with a cylindrical structure, a first mounting hole 201 is opened at the center of the mounting column 2, the mounting column 2 and the first mounting hole 201 are connected to the vehicle through bolts, a first annular reinforcement strip 301 and a second annular reinforcement strip 302 are arranged on the rear end surface of the mounting column 2, the first annular reinforcement strip 301 and the second annular reinforcement strip 302 are arranged cocentrically with the first mounting hole 201, and the inner diameter of the first annular reinforcement strip 301 is larger than the first mounting hole 201, the inner diameter of the second annular reinforcement strip 302 is larger than the first annular reinforcement strip 301, and the first annular reinforcement strip 301 is larger than the first mounting hole 201. The outer surface of the strip 301 is provided with a plurality of connecting reinforcement strips 303 which are equally divided into a circle. The end of the connecting reinforcement strip 303 which is away from the first annular reinforcement strip 301 is connected to the inner wall of the second annular reinforcement strip 302. The first annular reinforcement strip 301, the second annular reinforcement strip 302 and the connecting reinforcement strip 303 increase the structural strength and rigidity of the mounting column 2 and the first mounting hole 201. When the rear bumper is adjusted, when the mounting column 2 and the first mounting hole 201 are subjected to external force, the external force can be evenly dispersed and resisted by the first annular reinforcement strip 301, the second annular reinforcement strip 302 and the connecting reinforcement strip 303, so as to prevent a situation where a certain place is subjected to a large force, so that it is not easy to be damaged and deformed during disassembly and adjustment.

[0022] A first mounting portion 4 is provided on the inner walls on both sides of the top of the bumper body 1, and a plurality of bayonet holes 401 are evenly provided on the first mounting portion 4, the bayonet holes 401 on the first mounting portion 4 cooperate with the buckles on the vehicle, and transverse reinforcement blocks 501 are provided at both ends of the bayonet holes 401, one side of the transverse reinforcement block 501 is connected to the bumper body 1, and the transverse reinforcement block 501 makes the structural strength of the connection between the first mounting portion 4 and the bumper body 1 higher, and prevents the first mounting portion 4 from being deformed and damaged under the adjusted external force, and a vertical reinforcement block 502 connecting the two transverse reinforcement blocks 501 is provided on the other side of the two transverse reinforcement blocks 501, and the bayonet holes 401 are located on the inner sides of the transverse reinforcement blocks 501 and the vertical reinforcement blocks 502, and the vertical reinforcement blocks 502 cooperate with the transverse reinforcement blocks 501, thereby increasing the wall thickness at the bayonet holes 401, so as to prevent the bayonet holes 401 from being deformed and damaged under the adjusted external force.

[0023] Preferably, a second mounting portion 6 is provided below the first mounting portion 4 , and second mounting holes 601 are evenly provided on the second mounting portion 6 , and the second mounting holes 601 are also connected to the vehicle through bolts.

[0024] Preferably, the bumper body 1 is symmetrically provided with openings 7, and the bumper body 1 is provided with a first mounting protrusion 8 and a second mounting protrusion 9 at the upper and lower ends of the opening 7, and the first mounting protrusion 8 is provided with a first connecting column 801, and the outer surface of the first connecting column 801 is provided with a first positioning plate 802 that divides the circumference equally, and the first positioning plate 801 is connected to the first mounting protrusion 8. The first positioning plate 802 makes the structural strength between the first connecting column 801 and the first mounting protrusion 8 higher, and it is not easy to cause the first connecting column 801 to break under external force, and the first positioning plates 802 that divide the circumference equally cooperate with the matching positioning grooves on the vehicle, which is convenient for the bumper body 1 to be positioned with the vehicle first, and improves the accuracy of assembly, and a connecting hole is provided on the first connecting column 801.

[0025] A second connecting column 901 is arranged on the second mounting protrusion 9, a positioning column 902 is arranged below the second connecting column 901, second positioning plates 903 are arranged on both sides of the second connecting column 901, and a connecting plate 904 is arranged between the positioning column 902 and the second connecting column 901. The cross section of the positioning column 902 is a cross-shaped structure, and a guide slope is arranged on the front end surface thereof to facilitate its positioning with the vehicle. One end of the second positioning plate 903 is also connected to the second mounting protrusion 9 to increase the structural strength between the second connecting column 901 and the second mounting protrusion 9 to prevent it from breaking under external force, and the connecting plate 904 makes the integrity between the positioning column 902 and the second connecting column 901 better to prevent the positioning column from breaking under external force, and a connecting hole is also opened on the second connecting column 901.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A high-strength automobile rear bumper, comprising a bumper body (1), characterized in that: The top of the rear end surface of the bumper body (1) is protruded backwards on both sides to form a cylindrical mounting column (2), a first mounting hole (201) is opened at the center of the mounting column (2), and a first annular reinforcement strip (301) and a second annular reinforcement strip (302) are arranged on the rear end surface of the mounting column (2), the first annular reinforcement strip (301) and the second annular reinforcement strip (302) are arranged cocentrically with the first mounting hole (201), and the inner diameter of the first annular reinforcement strip (301) is larger than the first mounting hole (201), and the inner diameter of the second annular reinforcement strip (302) is larger than the first annular reinforcement strip (301), and the outer surface of the first annular reinforcement strip (301) is provided with a plurality of connecting reinforcement strips (303) at equal circumferences, and the end of the connecting reinforcement strip (303) away from the first annular reinforcement strip (301) is connected to the inner wall of the second annular reinforcement strip (302); A first mounting portion (4) is provided on the inner walls on both sides of the top of the bumper body (1); a plurality of bayonet holes (401) are evenly provided on the first mounting portion (4); transverse reinforcement blocks (501) are provided at both ends of the bayonet holes (401); one side of the transverse reinforcement block (501) is connected to the bumper body (1); a vertical reinforcement block (502) connecting the two transverse reinforcement blocks (501) is provided on the other side of the two transverse reinforcement blocks (501); and the bayonet holes (401) are located on the inner sides of the transverse reinforcement blocks (501) and the vertical reinforcement blocks (502).

2. The high-strength automobile rear bumper according to claim 1, characterized in that: A second mounting portion (6) is provided below the first mounting portion (4), and second mounting holes (601) are evenly arranged on the second mounting portion (6).

3. The high-strength automobile rear bumper according to claim 1, characterized in that: The bumper body (1) is symmetrically provided with openings (7).

4. The high-strength automobile rear bumper according to claim 3, characterized in that: A first mounting protrusion (8) and a second mounting protrusion (9) are provided on the bumper body (1) at the upper and lower ends of the opening (7).

5. The high-strength automobile rear bumper according to claim 4, characterized in that: The first mounting protrusion (8) is provided with a first connecting column (801), and a first positioning plate (802) is provided on the outer surface of the first connecting column (801) at an equal circumference, and the first positioning plate (802) is connected to the first mounting protrusion (8).

6. The high-strength automobile rear bumper according to claim 4, characterized in that: A second connecting column (901) is arranged on the second mounting protrusion (9), a positioning column (902) is arranged below the second connecting column (901), second positioning plates (903) are arranged on both sides of the second connecting column (901), and a connecting plate (904) is arranged between the positioning column (902) and the second connecting column (901).

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