Integrated bumper connecting support for light truck

Abstract

The utility model discloses an integrated bumper connecting support for a light truck, which comprises a support main body, a towing hook connecting plate and a plurality of reinforcing plates, and the support main body comprises a bumper connecting plate, a transition plate and a frame connecting plate which are arranged mutually. The included angle between the bumper connecting plate and the transition plate and the included angle between the transition plate and the frame connecting plate are both 90 degrees. The towing hook connecting plate is vertically arranged on the bumper connecting plate and is parallel to the transition plate, and the reinforcing plates are vertically distributed between the support body and the connecting face of the towing hook connecting plate in a staggered mode. The automobile bumper traction device is simple in structure and easy to manufacture and form, through the structural design of the bumper connecting plate, the traction hook connecting plate, the automobile frame connecting plate, the transition plate, the reinforcing plate, the traction hook receding hole, the lightening hole and the like and finite element structure topological optimization, the traction device is matched with a bumper, the structural stability is improved, and the automobile bumper traction device is suitable for being popularized and used. On the premise that the torsion resistance and the structural strength of the support are improved, the overall weight is effectively reduced.

Description

Technical Field

[0001] The utility model relates to an integrated bumper connecting bracket for a light truck and belongs to the technical field of chassis accessories of light trucks. Background Art

[0002] The bumper connection bracket is an important component in the automobile chassis, used to connect and fix the bumper and the frame. The towing device is the object of external force when the vehicle loses power and tows the moving vehicle. It is generally fixed on the longitudinal beam of the frame. The current light truck models are facing severe weight reduction needs. The existing bumper connection bracket is an early product with a bloated structure and poor modal performance. The idle jitter is obvious and the structure is in urgent need of optimization. In addition, due to the low positioning of the cab of some models, the bumper connection bracket needs to be moved down to position the bumper. The towing hook through hole opened on the bumper will also move down synchronously. Since the original towing device installation position is already at the lowest point of the frame, the towing hook installation point position needs to be reconsidered. In summary, the bumper connection bracket needs to be redesigned. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide an integrated bumper connecting bracket for a light truck in view of the defects in the prior art, so as to match the traction device with the bumper and improve the stability of the structure.

[0004] To solve this technical problem, the utility model provides an integrated bumper connecting bracket for a light truck, comprising a bracket body, a towing hook connecting plate and a plurality of reinforcing plates, the bracket body comprising a bumper connecting plate, a transition plate and a frame connecting plate arranged mutually, the angles between the bumper connecting plate and the transition plate, and between the transition plate and the frame connecting plate are both 90 degrees; the towing hook connecting plate is vertically arranged on the bumper connecting plate and parallel to the transition plate, and a plurality of reinforcing plates are vertically and staggeredly distributed between the connecting surfaces of the bracket body and the towing hook connecting plate.

[0005] The bumper connecting plate, the transition plate and the frame connecting plate are arranged in a Z shape, and the transition plate connects the bumper connecting plate and the frame connecting plate.

[0006] The bumper connecting plate is provided with a towing hook avoidance hole, the shape of which matches the bumper shape, and the boundary connection is smoothly transitioned.

[0007] The towing hook avoidance hole on the bumper connecting plate is provided with bumper mounting holes along the periphery thereof for mounting the bumper.

[0008] The frame connecting plate is provided with a frame mounting hole for connecting with the frame.

[0009] A weight-reducing hole is arranged in the middle of the frame connecting plate.

[0010] The towing hook connecting plate is provided with a towing hook mounting hole and a vehicle frame connecting hole.

[0011] The reinforcing plates include reinforcing plate 1, reinforcing plate 2, reinforcing plate 3, reinforcing plate 4, reinforcing plate 5, reinforcing plate 6 and reinforcing plate 7. Reinforcing plate 1 and reinforcing plate 2 are arranged between the towing hook connecting plate and the bumper connecting plate, reinforcing plate 3, reinforcing plate 4 and reinforcing plate 5 are arranged between the towing hook connecting plate and the transition plate, and reinforcing plate 6 and reinforcing plate 7 are arranged between the transition plate and the frame connecting plate.

[0012] All bumper connecting plates, transition plates and frame connecting plates are made by bending a whole piece of steel plate, and the bending line direction is along the up and down direction of the vehicle.

[0013] The plurality of reinforcing plates are vertically connected to the bracket body and the towing hook connecting plate by welding to form an integral structure.

[0014] Beneficial effects: The utility model has a simple structure and is easy to manufacture. Through the structural designs of the bumper connecting plate, the towing hook connecting plate, the frame connecting plate, the transition plate, the reinforcement plate, the towing hook avoidance hole, the weight-reducing hole and the like, and through the finite element structure topology optimization, the towing device is matched with the bumper to improve the stability of the structure. On the premise of greatly improving the torsional resistance and structural strength of the bracket, the overall weight is effectively reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic side view of the structure of the utility model;

[0017] Figure 3 It is a schematic front view of the structure of the utility model;

[0018] Figure 4 It is a rear view schematically showing the structure of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the main body of the bracket of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the traction hook connecting plate of the utility model.

[0021] In the figure: 1. bracket body; 2. towing hook connecting plate; 3. reinforcement plate 1; 4. reinforcement plate 2; 5. reinforcement plate 3; 6. reinforcement plate 4; 7. reinforcement plate 5; 8. reinforcement plate 6; 9. reinforcement plate 7; 11. bumper connecting plate; 12. transition plate; 13. frame connecting plate; 14. bumper mounting hole; 15. towing hook avoidance hole; 16. frame mounting hole; 17. weight reduction hole; 21. towing hook mounting hole; 22. frame connecting hole. DETAILED DESCRIPTION

[0022] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] like Figure 1-Figure 6 As shown, the utility model provides an integrated bumper connecting bracket for a light truck, comprising a bracket body 1, a towing hook connecting plate 2 and a plurality of reinforcing plates, wherein the bracket body 1 comprises a bumper connecting plate 11, a transition plate 12 and a frame connecting plate 13 arranged mutually, and the angles between the bumper connecting plate 11 and the transition plate 12, and between the transition plate 12 and the frame connecting plate 13 are both 90 degrees, which can improve the overall stability of the bumper; the towing hook connecting plate 2 is vertically arranged on the bumper connecting plate 11 and parallel to the transition plate 12, and a plurality of reinforcing plates are vertically and staggeredly distributed between the connecting surfaces of the bracket body 1 and the towing hook connecting plate 2.

[0024] The bumper connecting plate 11 , the transition plate 12 and the frame connecting plate 13 are arranged in a Z shape, and the transition plate 12 connects the bumper connecting plate 11 and the frame connecting plate 13 .

[0025] The bumper connecting plate 11 is provided with a towing hook avoidance hole 15, the shape of which matches the bumper shape, the transition at the boundary joint is smooth, and the size is suitable for hand insertion during towing operations. Sufficient space is reserved for the towing hook while ensuring stability, and the weight is reduced.

[0026] The towing hook avoidance hole 15 on the bumper connecting plate 11 is provided with bumper mounting holes 14 along the periphery for mounting the bumper.

[0027] The frame connecting plate 13 is provided with a frame mounting hole 16 for connecting to the frame. During installation, the bumper connecting plate 11 is placed on the bumper mounting surface and fixed to the bumper by passing through the bumper mounting hole 14 with through bolts, and the bumper bracket is connected to the frame by passing through the frame mounting hole 16 with bolts.

[0028] A weight-reducing hole 17 is provided in the middle of the frame connecting plate 13. The weight-reducing hole 17 and the reinforcing plate are both optimized through finite element structural topology. The structural weight reduction and structural strength coexist, and the weight is fully reduced while ensuring the performance of the bracket.

[0029] The towing hook connecting plate 2 is provided with a towing hook mounting hole 21 and a vehicle frame connecting hole 22, so that the towing hook mounting point can be moved downward.

[0030] The reinforcing plate includes reinforcing plate 1 3, reinforcing plate 2 4, reinforcing plate 3 5, reinforcing plate 4 6, reinforcing plate 5 7, reinforcing plate 6 8 and reinforcing plate 7 9. Reinforcing plate 1 3 and reinforcing plate 2 4 are arranged between the towing hook connecting plate 2 and the bumper connecting plate 11, reinforcing plate 3 5, reinforcing plate 4 6 and reinforcing plate 5 7 are arranged between the towing hook connecting plate 2 and the transition plate 12, and reinforcing plate 6 8 and reinforcing plate 7 9 are arranged between the transition plate 12 and the frame connecting plate 13.

[0031] All bumper connecting plates 11, transition plates 12 and frame connecting plates 13 are made of a whole piece of steel plate by bending. Compared with the welded combined structure, welding defects are reduced, positioning tooling is not required, the process is simple, the production efficiency is higher, and the scrap rate and labor cost are lower; the bending line direction is along the up and down direction of the vehicle, and the torsional resistance of the bracket is greatly improved while ensuring the impact resistance.

[0032] The multiple reinforcing plates are vertically connected to the bracket body 1 and the towing hook connecting plate 2 by welding to form an integral structure, so the structure is more stable and the modal frequency is higher.

[0033] The angles between the bumper connecting plate and the transition plate, the transition plate and the frame connecting plate, and the bumper connecting plate and the towing hook connecting plate of the utility model are all set to 90 degrees, and this structure can improve the overall stability of the bumper; the bumper connecting plate, the transition plate and the frame connecting plate are made by bending a whole steel plate. Compared with the welded combined structure, this structure reduces welding defects, does not require positioning tooling, has a simple process, higher production efficiency, and lower scrap rate and labor cost; all bending line directions are along the up and down direction of the whole vehicle, and the torsion resistance of the bracket is greatly improved under the premise of ensuring impact resistance; The bumper connecting plate, transition plate and frame connecting plate are arranged in a Z shape, and the towing hook mounting plate and reinforcement plate are arranged vertically on both sides of the body. The bracket as a whole forms a frame structure, which is more stable and has a higher modal frequency; the bumper connecting plate is provided with a towing hook avoidance hole, the shape of which matches the bumper shape, the transition at the boundary joint is smooth, and the size is suitable for hand-reaching operation during towing operations. Sufficient space is reserved for the towing hook while ensuring stability, and it also plays a role in weight reduction; the towing hook mounting hole and the frame mounting hole are set on the towing hook mounting plate, which can realize the downward movement of the towing hook mounting point. The bracket is connected to the front crossbeam and longitudinal beam of the frame at the same time, and the structure is more stable; a large-size weight-reducing hole is set in the middle of the frame connecting plate, and the weight-reducing hole and the reinforcement plate are both optimized through finite element structural topology, so that the structural weight reduction and structural strength coexist, and the weight is fully reduced while ensuring the performance of the bracket.

[0034] The utility model has a simple structure and is easy to manufacture. Through the structural designs of the bumper connecting plate, the towing hook connecting plate, the frame connecting plate, the transition plate, the reinforcement plate, the towing hook avoidance hole, the weight reduction hole and the like, and through the finite element structure topology optimization, the towing device is matched with the bumper, and the bracket and the frame are triangularly fixed, which improves the stability of the structure. On the premise of greatly improving the torsion resistance and structural strength of the bracket, the overall weight is effectively reduced.

[0035] The above embodiments of the present invention are merely illustrative and not exclusive, and all modifications within the scope of the present invention or equivalent to the scope of the present invention are encompassed by the present invention.

Claims

1. An integrated bumper connecting bracket for a light truck, characterized in that: The invention comprises a support body (1), a towing hook connecting plate (2) and a plurality of reinforcing plates, wherein the support body (1) comprises a bumper connecting plate (11), a transition plate (12) and a frame connecting plate (13) arranged mutually, and the angles between the bumper connecting plate (11) and the transition plate (12), and between the transition plate (12) and the frame connecting plate (13) are all 90 degrees; the towing hook connecting plate (2) is vertically arranged on the bumper connecting plate (11) and parallel to the transition plate (12), and the plurality of reinforcing plates are vertically staggered and distributed between the connecting surfaces of the support body (1) and the towing hook connecting plate (2).

2. The integrated bumper connecting bracket for a light truck according to claim 1, characterized in that: The bumper connecting plate (11), the transition plate (12) and the frame connecting plate (13) are arranged in a Z shape, and the transition plate (12) is connected to the bumper connecting plate (11) and the frame connecting plate (13).

3. The integrated bumper connecting bracket for a light truck according to claim 1, characterized in that: The bumper connecting plate (11) is provided with a towing hook avoidance hole (15), the shape of which matches the bumper shape, and the boundary connection portion has a smooth transition.

4. The integrated bumper connecting bracket for a light truck according to claim 1, characterized in that: The towing hook avoidance hole (15) on the bumper connecting plate (11) is provided with a bumper mounting hole (14) along the periphery thereof for mounting the bumper.

5. The integrated bumper connecting bracket for a light truck according to claim 1, characterized in that: The frame connecting plate (13) is provided with a frame mounting hole (16) for connecting with the frame.

6. The integrated bumper connecting bracket for a light truck according to claim 1, characterized in that: A weight-reducing hole (17) is provided in the middle of the frame connecting plate (13).

7. The integrated bumper connecting bracket for a light truck according to claim 1, characterized in that: The towing hook connecting plate (2) is provided with a towing hook mounting hole (21) and a vehicle frame connecting hole (22).

8. The integrated bumper connecting bracket for a light truck according to claim 1, characterized in that: The reinforcing plate comprises reinforcing plate one (3), reinforcing plate two (4), reinforcing plate three (5), reinforcing plate four (6), reinforcing plate five (7), reinforcing plate six (8) and reinforcing plate seven (9); reinforcing plate one (3) and reinforcing plate two (4) are arranged between the towing hook connecting plate (2) and the bumper connecting plate (11); reinforcing plate three (5), reinforcing plate four (6) and reinforcing plate five (7) are arranged between the towing hook connecting plate (2) and the transition plate (12); reinforcing plate six (8) and reinforcing plate seven (9) are arranged between the transition plate (12) and the vehicle frame connecting plate (13).

9. The integrated bumper connecting bracket for a light truck according to claim 1, characterized in that: All the bumper connecting plates (11), transition plates (12) and vehicle frame connecting plates (13) are made by bending a whole steel plate, and the bending lines are all in the up-and-down direction of the vehicle.

10. The integrated bumper connecting bracket for a light truck according to any one of claims 1 to 9, characterized in that: The plurality of reinforcing plates are vertically connected to the bracket body (1) and the towing hook connecting plate (2) by welding to form an integral structure.

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