Power bracket structure

Abstract

The power bracket structure provided by the utility model comprises the bracket body arranged in the cabin of the vehicle body, the bracket body can improve the stability, effectively improve the bending and torsional rigidity and modality of the vehicle body, improve the energy absorption effect of the longitudinal beam of the vehicle body under the collision working condition, prevent collision energy from being directly transmitted to a passenger compartment, and improve the safety of the passenger compartment. The structure in a cabin is prevented from integrally moving backwards and invading into the living space of a passenger cabin, the NVH performance of the whole vehicle is improved while parts are reduced, the stability of the power bracket structure can be improved, the bending and torsional rigidity and modality of the vehicle body are effectively improved, the energy absorption effect of the longitudinal beam of the vehicle body under the collision working condition is improved, and the service life of the vehicle body is prolonged. Collision energy is prevented from being directly transmitted to a passenger compartment, the situation that a structure in a cabin integrally moves backwards and intrudes into a living space of the passenger compartment is avoided, parts are reduced, and meanwhile the NVH performance of the whole vehicle is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile power bracket, specifically, the utility model relates to a power bracket structure. BACKGROUND

[0002] In new energy automobile or traditional fuel car, power bracket assembly is designed in the cabin, since the power bracket is equipped with such as battery, power supply system, cooling water pump, PTC direct current heating pipe, vacuum pump, cooling water pipe, integrated control unit, therefore, the power bracket structure design requirement for the automobile can bear more parts, and the structure strength requirement of the power bracket is high, generally, the beam is used to form a stable rigid frame structure, however, due to the stable frame structure after being connected with the cabin left and right longitudinal beams and forming a rigid body which is not easy to be crushed, the energy absorption effect of the longitudinal beam under the crash condition is affected, the crash energy is directly transmitted to the passenger cabin, the whole cabin moves backward and invades the survival space of the passenger cabin.

[0003] To solve the above problems, the patent document with publication number 204090463U discloses a micro tiller power bracket, a bumper is provided with an anti-collision rod above, the lower end of the connecting rod is fixed with the bumper, two support beams are provided side by side behind the bumper, the support beam is angle steel and is perpendicular to the bumper, and the mounting hole for fixing the engine is formed on the support beam.

[0004] Therefore, in order to improve or solve the above at least one problem, a kind of power bracket is provided, which can improve stability, effectively improve the bending torsional stiffness and mode of vehicle body, improve the energy absorption effect of vehicle body longitudinal beam under crash condition, avoid that crash energy is directly transmitted to passenger cabin, avoid that the whole structure in cabin moves backward and invades the survival space of passenger cabin, reduce the parts while improving the overall vehicle NVH performance. SUMMARY

[0005] The utility model is to solve the above problems, the purpose is to provide a kind of power bracket, which can improve stability, effectively improve the bending torsional stiffness and mode of vehicle body, improve the energy absorption effect of vehicle body longitudinal beam under crash condition, avoid that crash energy is directly transmitted to passenger cabin, avoid that the whole structure in cabin moves backward and invades the survival space of passenger cabin, reduce the parts while improving the overall vehicle NVH performance, to realize the above purpose, the technical scheme that the utility model adopts is as follows:

[0006] The utility model provides a kind of power bracket structure, with such features, including the bracket body being arranged in the vehicle body cabin.

[0007] In the power bracket structure provided by the utility model, the bracket body can also have the following features: the bracket body includes an upper cross beam, a lower cross beam and a support beam, one end of the support beam is connected to the upper cross beam, and the other end of the support beam is connected to the lower cross beam.

[0008] In the power bracket structure provided by the utility model, the two support beams can also be arranged parallel to each other.

[0009] In the power bracket structure provided by the utility model, the end of the upper cross beam and the end of the lower cross beam can also be provided with bolt connection holes.

[0010] In the power bracket structure provided by the utility model, the bolt connection holes can also be provided with shaft sleeves.

[0011] In the power bracket structure provided by the utility model, the vehicle body cabin can also be provided with a weight-reducing tower package support plate, and the weight-reducing tower package support plate is located on both sides of the bracket body.

[0012] In the power bracket structure provided by the utility model, the weight-reducing tower package support plate can also include an upper support plate and a lower support plate, the upper support plate is connected to the upper cross beam, and the lower support plate is connected to the lower cross beam.

[0013] The power bracket structure provided by the utility model includes a bracket body arranged in the vehicle body cabin, which can improve stability, effectively improve the bending stiffness and modal of the vehicle body, improve the energy absorption effect of the vehicle body longitudinal beam under collision conditions, avoid direct transmission of collision energy to the passenger compartment, avoid the overall rear movement of the structure in the engine compartment invading the living space of the passenger compartment, reduce the number of parts while improving the overall NVH performance of the vehicle.

[0014] Therefore, the power bracket structure provided by the utility model can improve stability, effectively improve the bending stiffness and modal of the vehicle body, improve the energy absorption effect of the vehicle body longitudinal beam under collision conditions, avoid direct transmission of collision energy to the passenger compartment, avoid the overall rear movement of the structure in the engine compartment invading the living space of the passenger compartment, reduce the number of parts while improving the overall NVH performance of the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0015] This specification includes the following drawings, and the contents shown are as follows:

[0016] Figure 1 is a structural schematic view of the power bracket structure in the embodiment of the utility model;

[0017] Figure 2 is a structural schematic view of the power bracket structure arranged in the vehicle body engine compartment in the embodiment of the utility model;

[0018] Figure 3 is a working principle diagram of the power bracket structure in the embodiment of the utility model.

[0019] In the figure, the marks are: vehicle body engine compartment-1, bolt-2, bracket body-10, upper cross beam-11, lower cross beam-12, support beam-13, bolt connecting hole-14, shaft sleeve-15, weight reduction tower bag support plate-20, upper support plate-21, lower support plate-22. DETAILED DESCRIPTION

[0020] The specific embodiments of the present application are further described in detail below with reference to the drawings, through the description of the embodiments, the purpose is to help the technical personnel in the field to have more complete, accurate and deep understanding of the inventive concept and technical scheme of the present application, and to help its implementation.

[0021] Figure 1 is a structural schematic view of the power bracket structure in the embodiment of the utility model; Figure 2 is a structural schematic view of the power bracket structure arranged in the vehicle body engine compartment in the embodiment of the utility model.

[0022] As Figure 1 and Figure 2 shown, the power bracket structure provided by the utility model comprises a bracket body 10 arranged in a vehicle body engine compartment 1, the bracket body 10 can improve stability, effectively improve the bending stiffness and mode of the vehicle body, improve the energy absorption effect of the vehicle body longitudinal beam under the collision working condition, avoid the direct transmission of the collision energy to the passenger compartment, avoid the overall rear movement of the structure in the engine compartment to invade the survival space of the passenger compartment, reduce the parts while improving the vehicle NVH performance, so that the power bracket structure provided by the utility model can improve stability, effectively improve the bending stiffness and mode of the vehicle body, improve the energy absorption effect of the vehicle body longitudinal beam under the collision working condition, avoid the direct transmission of the collision energy to the passenger compartment, avoid the overall rear movement of the structure in the engine compartment to invade the survival space of the passenger compartment, reduce the parts while improving the vehicle NVH performance.

[0023] The bracket body 10 comprises an upper cross beam 11, a lower cross beam 12 and support beams 13, one end of the support beams 13 is connected with the upper cross beam 11, the other end of the support beams 13 is connected with the lower cross beam 12, the two support beams 13 are arranged in parallel with each other, so that the upper cross beam 11 and the lower cross beam 12 are arranged in parallel with each other, the upper cross beam 11, the lower cross beam 12 and the support beams 13 are connected by CMT welding, thereby improving the structural strength and stability of the bracket body 10. The upper cross beam 11, the lower cross beam 12 and the support beams 13 are all made of aluminum profiles with a cross-sectional size of 40mm*30mm, and the thickness of the aluminum profiles is 2.5mm.

[0024] The end of the upper cross beam 11 and the end of the lower cross beam 12 are both provided with bolt connection holes 14, shaft sleeves 15 are arranged in the bolt connection holes 14, the bolt connection holes 14 are used for mounting the bracket body 10 by bolts 2, so that the bracket body 10 is mounted in the vehicle body cabin 1, and the shaft sleeves 15 can enhance the connection strength of the bolts 2 and improve the stability of the bracket body 10.

[0025] The vehicle body cabin 1 is also provided with a weight-reducing tower package support plate 20, the weight-reducing tower package support plate 20 is located on both sides of the bracket body 10, the weight-reducing tower package support plate 20 comprises an upper support plate 21 and a lower support plate 22, the upper support plate 21 is connected with the upper cross beam 11, and the lower support plate 22 is connected with the lower cross beam 12, so as to connect the bracket body 10 and the weight-reducing tower package support plate 20 on the vehicle body cabin 1.

[0026] Figure 3 It is the working principle diagram of the power bracket structure in the embodiment of the utility model.

[0027] As Figure 3 shown, in the working condition of front 100% overlap rigid barrier collision (FRB) and front 50% overlap moving progressive deformation barrier collision (MPDB), a first energy absorption zone is designed in the energy absorption box of the anti-collision beam assembly, the energy absorption accounts for 10% of the total collision energy, a second collapse energy absorption zone is designed at the front end of the cabin longitudinal beam, the energy absorption accounts for 31%, the power bracket is arranged as a YZ vertical structure, so that the second energy absorption collapse zone can be fully realized, the energy absorption efficiency is the highest by increasing the induced collapse of the vehicle body longitudinal beam, and the crash performance is improved. After the energy absorption zone occurs in the front collision working condition, the non-collapse zone is entered, the bracket body 10, the weight-reducing tower package support plate 20 and the vehicle body longitudinal beam form a first protective wall, so that the vehicle body cabin 1 and the preset protective wall form two protective walls, the cabin components are effectively prevented from invading the passenger cabin, and the crash performance is improved.

[0028] The power bracket structure provided by the utility model can improve stability, effectively improve the bending torsional stiffness and mode of the vehicle body, improve the energy absorption effect of the vehicle body longitudinal beam under the collision working condition, avoid the direct transmission of the collision energy to the passenger cabin, avoid the overall rear movement of the structure in the engine compartment invading the survival space of the passenger cabin, reduce the parts while improving the vehicle NVH performance, and therefore, the power bracket structure provided by the utility model can improve stability, effectively improve the bending torsional stiffness and mode of the vehicle body, improve the energy absorption effect of the vehicle body longitudinal beam under the collision working condition, avoid the direct transmission of the collision energy to the passenger cabin, avoid the overall rear movement of the structure in the engine compartment invading the survival space of the passenger cabin, and improve the vehicle NVH performance while reducing the parts.

[0029] The utility model has been described above in connection with the drawings. Obviously, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model; or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, all of which are within the protection scope of the utility model.

Claims

1. A power carriage structure, characterized by, The bracket body (10) is arranged in the vehicle body cabin (1), and comprises an upper cross beam (11), a lower cross beam (12) and a support beam (13), one end of the support beam (13) is connected with the upper cross beam (11), the other end of the support beam (13) is connected with the lower cross beam (12), a weight-reducing tower package support plate (20) is further arranged in the vehicle body cabin (1), the weight-reducing tower package support plate (20) is located on both sides of the bracket body (10), the weight-reducing tower package support plate (20) comprises an upper support plate (21) and a lower support plate (22), the upper support plate (21) is connected with the upper cross beam (11), and the lower support plate (22) is connected with the lower cross beam (12).

2. The power sled structure of claim 1, wherein, The two support beams (13) are arranged in parallel with each other.

3. The power sled structure of claim 2, wherein, End portions of the upper cross beam (11) and the lower cross beam (12) are provided with bolt connection holes (14).

4. The power pod structure of claim 3, wherein, The bolt connection holes (14) are provided with shaft sleeves (15).

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