CN213354404U

CN213354404U - Automobile rear bumper with buffering function

Info

Publication number: CN213354404U
Application number: CN202022561020.XU
Authority: CN
Inventors: 李青峰; 白宁山; 侯锁军; 董二婷; 董灵全; 唐福学
Original assignee: Henan Institute of Technology
Current assignee: Henan Institute of Technology
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-06-04
Anticipated expiration: 2030-11-09

Abstract

The utility model relates to the technical field of automobile parts, specifically be a rear bumper of automobile with buffer function, including the automobile body connecting thick stick, a plurality of guiding holes have been opened to automobile body connecting thick stick front side, and it has the guide bar to slide in the guiding hole even, and even there is the connecting plate between the guide bar rear side end, and the guide bar lateral wall is located that the cover has buffer spring between automobile body connecting thick stick and the connecting plate, and the guide bar front side end even has the limiting plate, and the connecting plate rear side is equipped with rear bumper body, all is equipped with cushion rubber pad between rear bumper body and the automobile body connecting thick stick both ends. This rear bumper with buffer function when the rear bumper body receives the extrusion striking of foreign object, extrudees buffer spring and rubber cushion pad forward, cushions the rear bumper body through buffer spring and rubber cushion pad's elastic deformation, avoids the rear bumper body directly to receive the rigid shock, and then reduces the risk that the rear bumper body warp the fracture and damage, improves its life.

Description

Automobile rear bumper with buffering function

Technical Field

The utility model relates to an automobile parts technical field specifically is a rear bumper of car with buffer function.

Background

The automobile rear bumper is one of the protection accessories installed at the tail part of an automobile, not only has a decoration function, but also has the functions of absorbing and buffering external impact force, protecting the automobile body and passengers, when the automobile backs a car and contacts with foreign objects or the automobile collides with the rear automobile, the automobile body is protected through the rear bumper, the automobile body is prevented from being damaged, most of the existing automobile rear bumpers are integrally formed by sheet metal parts and are directly installed on the automobile body, the automobile rear bumpers are easy to deform, crack and damage after being extruded and impacted by the foreign objects, the buffering protection effect is poor, and therefore, the automobile rear bumper with the buffering function is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rear bumper with buffer function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a rear bumper with a buffering function for an automobile comprises an automobile body connecting bar, two symmetrical mounting plates are arranged on two sides of the automobile body connecting bar, a plurality of guide holes which are uniformly distributed and penetrate through are arranged on the front side of the vehicle body connecting bar, guide rods are connected in the guide holes in a sliding manner, the rear side of the guide rod extends to the rear side of the vehicle body connecting rod, a connecting plate is connected between the tail ends of the guide rod and the connecting plate, a buffer spring is sleeved between the vehicle body connecting rod and the connecting plate on the outer side wall of the guide rod, one end of the buffer spring is attached to the vehicle body connecting rod, the other end of the buffer spring is attached to the connecting plate, the front side of the guide rod penetrates through the guide hole, the tail end of the guide rod is connected with the limiting plate, the outer diameter of the limiting plate is larger than the inner diameter of the guide hole, and the rear side of the limiting plate is attached to the vehicle body connecting rod, the rear bumper body is arranged on the rear side of the connecting plate, and buffer rubber pads are arranged between the rear bumper body and the two ends of the vehicle body connecting rod.

Preferably, the mounting panel is integrated into one piece structure with the automobile body connecting thick stick, just the mounting panel front side is opened and is equipped with a plurality of evenly distributed and the mounting hole that runs through.

Preferably, the outer diameter of the guide rod is matched with the inner diameter of the guide hole, and the guide rod passes through the guide hole and is connected with the guide hole in a sliding mode.

Preferably, the connecting plate is tightly welded on the guide rod.

Preferably, a connecting hole is formed in the middle of the front side of the guide rod, a connecting screw rod which is of an integrally formed structure is coaxially connected to the middle of the rear side of the limiting plate, and the limiting plate is fixed in the connecting hole through threaded connection of the connecting screw rod.

Preferably, rear bumper body front side is opened and is equipped with connecting groove, connecting groove's interior length width size and the outer length width size looks adaptation of connecting plate, the connecting plate is inlayed and is fixed rear bumper body in connecting groove.

Preferably, one side of the cushion rubber pad is tightly bonded on the vehicle body connecting bar, and the other side of the cushion rubber pad is tightly bonded on the rear bumper body.

Compared with the prior art, the beneficial effects of the utility model are that:

this rear bumper with buffer function when the rear bumper body receives the extrusion striking of foreign object, extrudees buffer spring and rubber cushion pad forward, cushions the rear bumper body through buffer spring and rubber cushion pad's elastic deformation, avoids the rear bumper body directly to receive the rigid shock, and then reduces the risk that the rear bumper body warp the fracture and damage, improves its life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a vehicle body connecting bar of the present invention;

FIG. 3 is a schematic structural view of the guide bar of the present invention;

fig. 4 is a schematic structural diagram of a limiting plate of the present invention;

fig. 5 is a schematic structural view of the middle and rear bumper bodies of the present invention.

In the figure:

1. a vehicle body connecting bar; 10. mounting a plate; 100. mounting holes; 11. a guide hole;

2. a guide bar; 20. connecting holes;

3. a connecting plate;

4. a buffer spring;

5. a limiting plate; 50. connecting a screw rod;

6. a rear bumper body; 60. a connecting groove;

7. and a cushion rubber pad.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a rear bumper of an automobile with a buffering function comprises a body connecting rod 1, wherein a plurality of guide holes 11 which are uniformly distributed and penetrate through are formed in the front side of the body connecting rod 1, guide rods 2 are connected in the guide holes 11 in a sliding mode, the outer diameter size of each guide rod 2 is matched with the inner diameter size of each guide hole 11, each guide rod 2 penetrates through each guide hole 11 and is connected with the corresponding guide hole in a sliding mode, the rear side of each guide rod 2 extends to the rear side of the body connecting rod 1, a connecting plate 3 is connected between the tail ends of the guide rods 2, a buffering spring 4 is sleeved on the outer side wall of each guide rod 2 between the body connecting rod 1 and the connecting plate 3, one end of each buffering spring 4 is attached to the body connecting rod 1, the other end of each buffering spring is attached to the connecting plate 3, a rear bumper body 6 is arranged on the rear side of the connecting plate 3, a connecting groove 60 is formed in the front, connecting plate 3 inlays and fixes rear bumper body 6 in connecting groove 60, and when rear bumper body 6 received the foreign object extrusion striking, moves forward under the impact force effect, and then extrudees buffer spring 4 forward, cushions rear bumper body 6 through buffer spring 4's elastic deformation, avoids rear bumper body 6 directly to receive the rigidity and strikes, and then reduces the risk that rear bumper body 6 warp the fracture and damage, improves its life.

In the embodiment, the cushion rubber pads 7 are arranged between the rear bumper body 6 and the two ends of the vehicle body connecting rod 1, and the edges of the rear bumper body 6 and the two ends of the vehicle body connecting rod 1 are filled through the cushion rubber pads 7, so that the two ends of the rear bumper body 6 are prevented from being deformed and cracked inwards when being impacted by external force; cushion rubber pad 7 one side closely bonds on body coupling bar 1, and the opposite side closely bonds on rear bumper body 6, and the bonding is fixed be convenient for install.

Besides, the two sides of the vehicle body connecting bar 1 are provided with two symmetrical mounting plates 10, the front side of each mounting plate 10 is provided with a plurality of mounting holes 100 which are uniformly distributed and penetrate through, the mounting plates 10 are conveniently mounted and fixed on the vehicle frame through the mounting holes 100, and then the whole rear bumper of the vehicle is fixedly mounted.

Furthermore, the front side of the guide rod 2 penetrates through the guide hole 11, the tail end of the guide rod is connected with a limiting plate 5, the outer diameter of the limiting plate 5 is larger than the inner diameter of the guide hole 11, the rear side of the limiting plate 5 is attached to the vehicle body connecting rod 1, the guide rod 2 is limited and fixed through the limiting plate 5, and the guide rod 2 is prevented from falling off from the guide hole 11; connecting hole 20 has been seted up to 2 front sides intermediate positions of guide bar, and limiting plate 5 rear side intermediate position coaxial coupling has rather than being the connecting screw 50 of integrated into one piece structure, and connecting screw 50 threaded connection fixes limiting plate 5 in connecting hole 20, and threaded connection is convenient for the dismouting.

Specifically, the mounting plate 10 and the vehicle body connecting rod 1 are of an integrally formed structure, the integrally formed structure is convenient to produce, the produced product is high in size precision, raw materials are saved, meanwhile, the integrally formed structure is stable, and the mounting plate is not easy to deform or damage in the using process and long in service life; the connecting plate 3 is tightly welded on the guide rod 2, and has the advantages of simple welding and fixing process, stable structure, difficult falling and damage in the use process and long service life.

When the automobile rear bumper with the buffering function is used, a worker firstly checks the integrity of the automobile rear bumper and whether the connection of each part is firm; then the mounting plate 10 is mounted and fixed on the frame through the mounting hole 100, and the whole automobile rear bumper is further mounted and fixed; when rear bumper body 6 receives the extrusion striking of foreign object, rear bumper body 6 and connecting plate 3 move along guide bar 2 under the impact force effect, and then extrude buffer spring 4 and buffer rubber pad 7 forward, buffer spring 4 and buffer rubber pad 7 atress are compressed, cushion rear bumper body 6 through the elastic deformation of buffer spring 4 and buffer rubber pad 7, avoid rear bumper body 6 directly to receive the rigid shock, and then reduce the risk that rear bumper body 6 warp the fracture and damage.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a rear bumper with buffer function which characterized in that: including vehicle body connecting thick stick (1), vehicle body connecting thick stick (1) both sides are equipped with mounting panel (10) of two symmetries, vehicle body connecting thick stick (1) front side is opened and is equipped with guiding hole (11) that a plurality of distributions are even and run through, sliding connection has guide bar (2) in guiding hole (11), guide bar (2) rear side extends vehicle body connecting thick stick (1) rear side and is connected with connecting plate (3) between its end, guide bar (2) lateral wall is located and overlaps between vehicle body connecting thick stick (1) and connecting plate (3) and has buffer spring (4), buffer spring (4) one end is laminated with vehicle body connecting thick stick (1) mutually, and the other end is laminated with connecting plate (3) mutually, guide bar (2) front side passes guiding hole (11) and its end-to-end connection has limiting plate (5), the external diameter size of limiting plate (5) is greater than the internal diameter size of guiding hole (11), just the rear side and the vehicle body connecting bar (1) of limiting plate (5) are laminated mutually, connecting plate (3) rear side is equipped with rear bumper body (6), all be equipped with between rear bumper body (6) and vehicle body connecting bar (1) both ends cushion rubber pad (7).

2. The automobile rear bumper with a buffering function according to claim 1, characterized in that: mounting panel (10) are the integrated into one piece structure with body connecting thick stick (1), just mounting panel (10) front side is opened and is equipped with a plurality of even and the mounting hole (100) that run through of distribution.

3. The automobile rear bumper with a buffering function according to claim 1, characterized in that: the outer diameter of the guide rod (2) is matched with the inner diameter of the guide hole (11), and the guide rod (2) penetrates through the guide hole (11) and is in sliding connection with the guide hole.

4. The automobile rear bumper with a buffering function according to claim 1, characterized in that: the connecting plate (3) is tightly welded on the guide rod (2).

5. The automobile rear bumper with a buffering function according to claim 1, characterized in that: connecting hole (20) have been seted up to guide bar (2) front side intermediate position, limiting plate (5) rear side intermediate position coaxial coupling has connecting screw (50) rather than being the integrated into one piece structure, limiting plate (5) are fixed in connecting hole (20) in connecting screw (50) threaded connection.

6. The automobile rear bumper with a buffering function according to claim 1, characterized in that: rear bumper body (6) front side is opened and is equipped with connecting groove (60), the interior length width size of connecting groove (60) and the outer length width size looks adaptation of connecting plate (3), connecting plate (3) are inlayed and are fixed rear bumper body (6) in connecting groove (60).

7. The automobile rear bumper with a buffering function according to claim 1, characterized in that: one side of the cushion rubber pad (7) is tightly bonded on the vehicle body connecting bar (1), and the other side of the cushion rubber pad is tightly bonded on the rear bumper body (6).