CN216101979U

CN216101979U - Tail anti-collision device for vehicle engineering

Info

Publication number: CN216101979U
Application number: CN202122522455.8U
Authority: CN
Inventors: 高杨健
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-03-22
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a tail anti-collision device for vehicle engineering, which relates to the technical field of anti-collision devices and comprises a buffer assembly, an outer plate and an inner plate, wherein the inner plate and the outer plate are arranged in parallel, the inner plate is connected with the tail of an automobile, the buffer assembly is provided with a plurality of buffer assemblies which are uniformly distributed between the inner plate and the outer plate, the buffer assembly comprises a first guide cylinder, a second guide cylinder and a guide rod, the second guide cylinder is arranged at the inner end of the first guide cylinder, the inner end of the second guide cylinder is connected with the inner plate, a cover plate is fixed at the outer end of the first guide cylinder, the guide rod is inserted into the cover plate, the first guide cylinder and the second guide cylinder in a sliding mode, the outer end of the guide rod is connected onto the outer plate, a first buffer mechanism is arranged in the first guide cylinder, and a second buffer mechanism is arranged in the second guide cylinder. According to the automobile bumper, the impact force transmitted to an automobile during collision is greatly weaker through the first buffer mechanism and the second buffer mechanism, and the automobile bumper plays a role in buffering and protecting the automobile.

Description

Tail anti-collision device for vehicle engineering

Technical Field

The utility model relates to the technical field of anti-collision devices, in particular to a tail anti-collision device for vehicle engineering.

Background

Along with the rapid increase of the number of automobiles, because the traffic accidents that the driver misoperation takes place are more and more, in these traffic accidents, the low-speed collision between the automobiles is the most easy emergence, though present also can install buffer stop on the automobile and avoid the destruction that the collision caused, but these automobile buffer stop buffering effect is relatively poor, can produce the deformation to the back beam of automobile after the collision, cause the damage of automobile, increase driver's cost of maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tail part anti-collision device for vehicle engineering, which overcomes the defects in the prior art.

The utility model provides a afterbody buffer stop that vehicle engineering used, includes buffering subassembly, planking and inner panel, inner panel and planking parallel arrangement and inner panel and the connection of afterbody of car, the buffering subassembly is equipped with a plurality of and equipartition between inner panel and planking, the buffering subassembly includes guide cylinder one, guide cylinder two and guide bar, guide cylinder two is installed in the inner of guide cylinder one and its inner end is connected with the inner panel, the outer end of guide cylinder one is fixed with the apron, the guide bar slides and pegs graft in apron, guide cylinder one and guide cylinder two and its outer end is connected on the planking, the guide bar is equipped with first buffer gear in guide cylinder one, the guide bar is equipped with second buffer gear in guide cylinder two.

Preferably, the first buffer mechanism comprises a blocking disc and a spring, the blocking disc is installed on the guide rod and located in the first guide cylinder, and the spring is sleeved on the guide rod and located between the blocking disc and the top wall of the first guide cylinder.

Preferably, the second buffer gear includes rack, incomplete gear, fixed axle and torsional spring, the rack is fixed in the top of guide bar, incomplete gear rotate connect on the fixed axle and with the rack between the meshing, the fixed axle is installed in the mounting groove on guide cylinder two, the torsional spring cover is located on the fixed axle and its one end is equipped with the go-between, the go-between passes through the bolt and is connected with the fixed axle, the other end of torsional spring passes the mounting hole on the incomplete gear and wears to be equipped with the round pin at the tip.

Preferably, the outer end of the guide rod is fixed with the outer plate through a connecting plate.

The utility model has the following advantages:

when the automobile bumper is used, on one hand, the spring on the guide rod is compressed through the baffle disc on the guide rod in the first buffering mechanism, on the other hand, the incomplete gear meshed with the baffle disc is driven to rotate through the rack of the second buffering mechanism, so that the torsion spring on the fixed shaft generates reverse torque, and the impact force transmitted to an automobile is greatly weaker after the two-step buffering, so that the automobile bumper plays a role in buffering and protecting the automobile.

Drawings

Fig. 1 is a schematic structural view of the whole of the present invention.

FIG. 2 is a schematic view of a buffer assembly according to the present invention.

Fig. 3 is a schematic structural view of fig. 2 when the guide cylinder is not installed.

Fig. 4 is a schematic structural view of fig. 2 without the second guide cylinder.

Fig. 5 is a partial enlarged view of a portion a in fig. 4.

Wherein: 1. the buffer assembly comprises a buffer component 11, a first guide cylinder 111, a cover plate 12, a second guide cylinder 121, a mounting groove 13, a guide rod 131, a connecting plate 2, an outer plate 3, a first buffer mechanism 31, a baffle disc 32, a spring 4, a second buffer mechanism 41, a rack 42, an incomplete gear 43, a fixed shaft 44, a torsion spring 441, a connecting ring 442, a bolt 443, a pin 5 and an inner plate.

Detailed Description

The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention.

As shown in fig. 1 to 5, the present invention provides a rear anti-collision device for vehicle engineering, including a cushion assembly 1, an outer panel 2 and an inner panel 5, the inner plate 5 and the outer plate 2 are arranged in parallel, the inner plate 5 is connected with the tail part of the automobile, a plurality of buffer components 1 are arranged and are uniformly distributed between the inner plate 5 and the outer plate 2, the buffer component 1 comprises a first guide cylinder 11, a second guide cylinder 12 and a guide rod 13, the second guide cylinder 12 is arranged at the inner end of the first guide cylinder 11, the inner end of the second guide cylinder is connected with the inner plate 5, a cover plate 111 is fixed at the outer end of the first guide cylinder 11, the guide rod 13 is inserted in the cover plate 111, the first guide cylinder 11 and the second guide cylinder 12 in a sliding way, and the outer end of the guide rod is connected to the outer plate 2, the guide rod 13 is provided with a first buffer mechanism 3 in the first guide cylinder 11, and the guide rod 13 is provided with a second buffer mechanism 4 in the second guide cylinder 12.

It should be noted that the first buffer mechanism 3 includes a stop disc 31 and a spring 32, the stop disc 31 is mounted on the guide rod 13 and located in the first guide cylinder 11, and the spring 32 is sleeved on the guide rod 13 and located between the stop disc 31 and the top wall of the first guide cylinder 11.

In addition, the second buffer mechanism 4 includes a rack 41, an incomplete gear 42, a fixed shaft 43 and a torsion spring 44, the rack 41 is fixed on the top of the guide rod 13, the incomplete gear 42 is rotatably connected to the fixed shaft 43 and is engaged with the rack 41, the fixed shaft 43 is installed in the installation groove 121 of the second guide cylinder 12, the torsion spring 44 is sleeved on the fixed shaft 43 and has a connection ring 441 at one end, the connection ring 441 is connected with the fixed shaft 43 through a bolt 442, and the other end of the torsion spring 44 passes through the installation hole of the incomplete gear 42 and has a pin 443 at the end, so that the torsion spring 44 can be conveniently installed on the fixed shaft 43.

It is noted that the outer ends of the guide rods 13 are fixed to the outer panel 2 by connecting plates 131.

The specific implementation mode and principle are as follows:

in practical application, when an outer plate 2 collides during the running of an automobile, the guide rod 12 is driven to move upwards along the first guide cylinder 11 and the second guide cylinder 12, the baffle disc 31 on the guide rod 13 compresses the spring 32 on the guide rod 13, and in addition, the rack 41 on the top of the guide rod 13 drives the incomplete gear 42 meshed with the rack to rotate, so that the torsion spring 44 on the fixed shaft 43 generates reverse torque, the impact force transmitted to the automobile is greatly weak, and the buffer protection effect is achieved for the automobile.

In summary, the utility model compresses the spring on the guide rod through the blocking disc on the guide rod in the first buffer mechanism, and drives the incomplete gear engaged with the blocking disc to rotate through the rack of the second buffer mechanism, so that the torsion spring on the fixed shaft generates reverse torque, and the impact force transmitted to the automobile is greatly weaker after the two-step buffering, thereby playing a role in buffering and protecting the automobile.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above embodiments, and it is within the scope of the utility model to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The utility model provides a afterbody buffer stop that vehicle engineering used which characterized in that: comprises a buffer component (1), an outer plate (2) and an inner plate (5), wherein the inner plate (5) and the outer plate (2) are arranged in parallel, the inner plate (5) is connected with the tail part of an automobile, the buffer components (1) are provided with a plurality of buffer components which are uniformly distributed between the inner plate (5) and the outer plate (2), the buffer component (1) comprises a first guide cylinder (11), a second guide cylinder (12) and a guide rod (13), the second guide cylinder (12) is arranged at the inner end of the first guide cylinder (11) and the inner end of the second guide cylinder is connected with the inner plate (5), a cover plate (111) is fixed at the outer end of the first guide cylinder (11), the guide rod (13) is inserted in the cover plate (111), the first guide cylinder (11) and the second guide cylinder (12) in a sliding way, and the outer end of the guide rod is connected to the outer plate (2), the guide rod (13) is provided with a first buffer mechanism (3) in the guide cylinder I (11), and a second buffer mechanism (4) is arranged in the second guide cylinder (12) of the guide rod (13).

2. A rear anti-collision device for vehicle engineering according to claim 1, characterized in that: the first buffer mechanism (3) comprises a blocking disc (31) and a spring (32), the blocking disc (31) is installed on the guide rod (13) and located in the first guide cylinder (11), and the spring (32) is sleeved on the guide rod (13) and located between the blocking disc (31) and the top wall of the first guide cylinder (11).

3. A rear anti-collision device for vehicle engineering according to claim 1, characterized in that: the second buffer mechanism (4) comprises a rack (41), an incomplete gear (42), a fixed shaft (43) and a torsion spring (44), the rack (41) is fixed at the top of the guide rod (13), the incomplete gear (42) is rotatably connected to the fixed shaft (43) and meshed with the rack (41), the fixed shaft (43) is installed in the installation groove (121) on the second guide cylinder (12), the torsion spring (44) is sleeved on the fixed shaft (43), a connecting ring (441) is arranged at one end of the torsion spring, the connecting ring (441) is connected with the fixed shaft (43) through a bolt (442), and the other end of the torsion spring (44) penetrates through an installation hole in the incomplete gear (42) and penetrates through a pin (443).

4. A rear anti-collision device for vehicle engineering according to claim 1, characterized in that: the outer end of the guide rod (13) is fixed with the outer plate (2) through a connecting plate (131).