Rear trailer lever device of automobile

Abstract

The utility model discloses a rear tow bar device of an automobile, which comprises a tow bar main body and a plurality of protection structures, one ends of the plurality of protection structures are connected with the tow bar main body, and the other ends of the plurality of protection structures are used for being connected with a rear assembly of the automobile; the protection structure comprises a connecting plate corresponding to the tow bar body and a mounting plate connected with an automobile rear assembly, a first metal square column is fixedly connected to the connecting plate, the end, close to the mounting plate, of the first metal square column is sleeved with a second metal square column, and the second metal square column is fixedly connected with the mounting plate. A limiting structure corresponding to the second metal square column is arranged on the first metal square column, and a collapse limiting structure corresponding to the first metal square column is arranged on the second metal square column. According to the utility model, an easy-to-collapse structure is adopted and is matched with buffering, so that a protection effect can be achieved during collision, and the structure still has firmness when being actually used as a trailer structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessories, especially to a rear trailer lever device of automobile. BACKGROUND

[0002] With the rise of outdoor camping trend, people's demand for trailer function is increasingly strong, and many trailer modification schemes appear in the after-sales market, the current modification scheme is mostly to disassemble the original rear bumper beam, then directly screw the rear trailer lever to the rear longitudinal beam of the rear assembly of the automobile, however, the existing rear trailer lever is mostly welded from profile, high strength, when low-speed rear collision occurs, the rear trailer lever is difficult to deform and absorb energy, therefore, the rear longitudinal beam of the rear assembly will be deformed, and the maintenance cost will rise.

[0003] Therefore, we propose a rear trailer lever device of automobile to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the shortcomings in the prior art and provides a rear trailer lever device of automobile.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A rear trailer lever device of automobile, comprising a trailer lever body and a plurality of protection structures, one end of the plurality of protection structures is connected with the trailer lever body, and the other end of the plurality of protection structures is used for being connected with the rear assembly of the automobile.

[0007] The protection structure comprises a connecting plate corresponding to the trailer lever body and a mounting plate connected with the rear assembly of the automobile, a metal square column one is fixedly connected on the connecting plate, a metal square column two is sleeved with one end of the metal square column one close to the mounting plate, the metal square column two is fixedly connected with the mounting plate, a limiting structure corresponding to the metal square column two is arranged on the metal square column one, and a collapse limiting structure corresponding to the metal square column one is arranged on the metal square column two.

[0008] Preferably, a plurality of threaded holes are arranged on the mounting plate, and a plurality of waist holes are arranged on the connecting plate.

[0009] Preferably, the metal square column one and the metal square column two are both made of aluminum alloy material.

[0010] Preferably, a damping column is arranged in the metal square column one and the metal square column two, and the damping column is fixed with the mounting plate and the connecting plate at both ends.

[0011] Preferably, the limiting structure comprises a plurality of rigid sliders fixedly arranged on the side wall of one end of the metal square column one, and a plurality of grooves corresponding to the limiting sliders are arranged on the inner wall of the metal square column two.

[0012] Preferably, the collapse limiting structure comprises a plurality of arc-shaped abutting blocks fixedly connected with one end of the metal square column, and a plurality of accommodating grooves corresponding to the abutting blocks are uniformly arranged on an outer wall of the metal square column.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: the rear trailer lever device sets the collapse structure between the trailer lever body and the rear assembly, when the rear of the vehicle is rear-end low-speed collision, the collapse structure can effectively collapse and absorb the rear collision energy, protect the rear longitudinal beam of the rear assembly from deformation, at the same time, compared with the prior art, the telescopic amount of the collapse structure is larger, and the collapse structure is easy to collapse quickly when being collided, and the overall strength can meet the demand when the trailer operation is carried out, and the energy absorption structure is additionally installed, buffer protection is realized, the overall protection effect is better, and the repair economy of the vehicle can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a three-dimensional structure schematic view of the protection structure of the utility model;

[0016] Figure 3 It is a sectional structure schematic view of the protection structure of the utility model.

[0017] In the drawings:

[0018] 1 trailer lever body, 2 connecting plate, 3 mounting plate, 4 metal square column one, 5 metal square column two, 6 damping column, 7 rigid sliding block, 8 abutting block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Referring to Figure 1-3 The rear trailer lever device of the automobile shown in the figure comprises:

[0021] The trailer lever body 1 and a plurality of protection structures, one end of the plurality of protection structures is connected with the trailer lever body 1, the other end of the plurality of protection structures is used for being connected with the rear assembly of the automobile, the trailer lever body 1 adopts the prior art, and details are not repeated here;

[0022] In order to realize the effect of the device, specifically, the protection structure comprises a connecting plate 2 corresponding to the trailer lever main body 1 and a mounting plate 3 connected with the automobile rear assembly, the connecting plate 2 is fixedly connected with a metal square column one 4, the metal square column one 4 is sleeved with a metal square column two 5 close to the mounting plate 3, the metal square column two 5 is fixedly connected with the mounting plate 3, the metal square column one 4 is provided with a limiting structure corresponding to the metal square column two 5, the metal square column two 5 is provided with a collapse limiting structure corresponding to the metal square column one 4, the limiting structure guarantees the stability during towing, and the collapse limiting structure has the effect of guaranteeing stability, and when impacted, quickly collapses to realize the protection effect.

[0023] In some embodiments, a plurality of threaded holes are arranged on the mounting plate, and a plurality of waist holes are arranged on the connecting plate, so as to guarantee the stable connection with the assembly and the applicability to different trailer levers.

[0024] The metal square column one 4 and the metal square column two 5 are both made of aluminum alloy material, which is light in weight and has high collapse performance.

[0025] In order to further increase the protection effect, a damping column 6 is arranged in the metal square column one 4 and the metal square column two 5, and the two ends of the damping column 6 are fixedly connected with the mounting plate 3 and the connecting plate 2 respectively, so as to perform buffering protection.

[0026] According to the above, the limiting structure should be a rigid limiting structure that can bear a large force, so the limiting structure comprises a plurality of rigid sliding blocks 7 fixedly arranged on one end of the metal square column one 4, and a plurality of grooves corresponding to the limiting sliding blocks 7 are arranged on the inner wall of the metal square column two 5; according to the above, the collapse limiting structure comprises a plurality of arc-shaped abutting blocks 8 fixedly connected with one end of the metal square column two 5, and a plurality of accommodating grooves corresponding to the abutting blocks 8 are uniformly arranged on the outer wall of the metal square column one 4, so that the collapse is easy to be performed under a certain impact.

[0027] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A rear trailer hanger device for a vehicle, characterized by, It comprises a trailer bar main body (1) and a plurality of protective structures, wherein one end of the plurality of protective structures is connected to the trailer bar main body (1), and the other end of the plurality of protective structures is used to be connected to the rear assembly of a car; The protective structure comprises a connecting plate (2) corresponding to the trailer bar body (1) and a mounting plate (3) connected to the rear assembly of the automobile, wherein a metal square column 1 (4) is fixedly connected to the connecting plate (2), a metal square column 2 (5) is sleeved on one end of the metal square column 1 (4) close to the mounting plate (3), the metal square column 2 (5) is fixedly connected to the mounting plate (3), a limiting structure corresponding to the metal square column 2 (5) is provided on the metal square column 1 (4), and a collapse limiting structure corresponding to the metal square column 1 (4) is provided on the metal square column 2 (5).

2. A rear trailer carrier device for a vehicle as claimed in claim 1, wherein, The mounting plate is provided with a plurality of threaded holes, and the connecting plate is provided with a plurality of waist holes.

3. The rear trailer hitch apparatus of claim 1, wherein, The metal square column 1 (4) and the metal square column 2 (5) are both made of aluminum alloy material.

4. The rear trailer hitch apparatus of claim 1, wherein, A damping column (6) is provided through the metal square column 1 (4) and the metal square column 2 (5), and both ends of the damping column (6) are fixed to the mounting plate (3) and the connecting plate (2) respectively.

5. The rear trailer hitch apparatus of claim 1, wherein, The limiting structure comprises a plurality of rigid sliders (7) fixedly arranged on the side wall of one end of the metal square column (4), and a plurality of slots corresponding to the limiting rigid sliders (7) are arranged on the inner wall of the metal square column (5).

6. The rear trailer hitch apparatus of claim 1, wherein, The collapse limiting structure includes a plurality of arc-shaped stop blocks (8) fixedly connected to one end of the second metal square column (5), and a plurality of accommodating grooves corresponding to the stop blocks (8) are evenly arranged on the outer wall of the first metal square column (4).

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