Noise reduction structure of automobile pedal
Technical Field
The utility model belongs to the technical field of the automobile pedal, concretely relates to structure of making an uproar falls in automobile pedal.
Background
With the rapid development of economy in China, the living standard of people is continuously improved, and the driving comfort becomes an important vehicle purchasing standard for customers. The automobile front wall is a main way for isolating a passenger compartment and an engine compartment, and can effectively reduce the noise generated by an engine and transmitted into the passenger compartment, however, because the quantity of pedals, HVAC and electric devices which need to be installed at the position of the front wall is large, the sound insulation pad at the installation point of each device needs to be subjected to opening or thinning, the coverage rate and the opening rate of the sound insulation pad of the front wall are low, the sound insulation performance of the sound insulation pad can not be furthest exerted, and the sound of the engine compartment can be easily transmitted into the passenger compartment through the weak positions, so that the riding comfort in the automobile is influenced. Therefore, the sealing level of the cowl system plays a crucial role in the NVH performance of the vehicle.
In the past, a plurality of holes are required to be formed in the sound insulation pad at the mounting point of the brake pedal and the accelerator pedal, so that the resource waste of the front wall inner sound insulation pad is caused, the coverage rate of the front wall inner sound insulation pad is low, the sound of an engine compartment easily penetrates through the weak positions and directly reaches the interior of the automobile, and the comfort of taking in the automobile is affected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem who exists among the prior art. Therefore, the utility model provides a structure of making an uproar falls in automobile pedal, the purpose improves before the bounding wall in give sound insulation and fill up coverage area, and then improve sound insulation performance.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
the utility model provides a structure of making an uproar falls in vapour turning mold board, is including locating the base on the preceding bounding wall, be equipped with brake pedal and accelerator pedal on the base, one side of pedestal mounting accelerator pedal extends forward and personally submits the gradual change formula to bend upwards relative base and the installation of preceding bounding wall, it still includes the interior acoustic pad that gives sound insulation of the preceding wall of packing in the installation clearance space of base and preceding bounding wall to fall the structure of making an uproar.
The base includes first components of a whole that can function independently, second components of a whole that can function independently, linking bridge and the pivot of connecting first components of a whole that can function independently and second components of a whole that can function independently, first components of a whole that can function independently and second components of a whole that can function independently pass through linking bridge and preceding bounding wall sheet metal connection, and the tip of first components of a whole that can function independently and second components of a whole that can function independently is equipped with the installation department of bending with preceding bounding wall sheet metal connection, accelerator.
The connecting support is provided with a hollowed-out round hole and fastening mounting holes arranged at four corners of the periphery of the round hole.
The brake pedal is connected with the rotating shaft in an installing mode.
The bottom plate of the first split body is provided with three accelerator pedal mounting holes for mounting an accelerator pedal, and connecting lines among the three accelerator pedal mounting holes are triangular.
The thickness of the front wall inner sound insulation pad is larger than the height of the connecting support.
The internal sound insulation pad of the front wall is provided with a avoiding hole, and the base is connected with the mounting point of the front wall and is embedded in the avoiding hole.
The utility model has the advantages that:
1. the utility model discloses base installation accelerator pedal's part is the gradual change formula and upwards raises, gives sound insulation in the preceding bounding wall of packing and fills need not here to dodge and the trompil to guarantee certain thickness, improved the coverage area that gives sound insulation in the preceding bounding wall fills up, and then improved the sound insulation performance of preceding system of enclosing.
2. The utility model discloses structure brake pedal is as an organic whole with accelerator pedal, has solved the big problem of traditional brake pedal and accelerator pedal occupation space, and the footboard has adopted integrated into one piece's structure moreover, under the condition of proof strength, has alleviateed weight greatly.
Drawings
The description includes the following figures, the contents shown are respectively:
fig. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a bottom view of the present invention;
FIG. 4 is a schematic view of the structure at the acoustic mat inside the cowl.
Labeled as:
1. the base, 2, pivot, 3, brake pedal, 4, accelerator pedal, 5, first components of a whole that can function independently, 6, first mounting hole, 7, second mounting hole, 8, third mounting hole, 9, fourth mounting hole, 10, fifth mounting hole, 11, first screw, 12, second screw, 13, third screw, 14, preceding enclose interior sound insulating pad.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation. It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. In the following embodiments, the terms "first", "second", "third", "fourth" and "fifth" do not denote absolute structural and/or functional relationships or order of execution, but rather are used for convenience of description.
As shown in fig. 1 to 4, the noise reduction structure of the automobile pedal comprises a base 1 arranged on a front wall plate, wherein a brake pedal 3 and an accelerator pedal 4 are arranged on the base 1, one side of the accelerator pedal installed on the base extends forwards, and is bent upwards in a gradual change manner relative to the installation surface of the base 1 and the front wall plate, and the noise reduction structure further comprises a front wall inner sound insulation pad 14 filled in the installation gap space between the base 1 and the front wall plate. In the structural arrangement, the part of the base, which is provided with the accelerator pedal 4, is gradually lifted upwards, so that the thickness of the sound insulation pad in the lower front coaming of the base of the part (the right half part in figure 1) is ensured; give sound insulation in the preceding bounding wall of packing and fill and need not to dodge here and the trompil to guarantee certain thickness, improved the area covered of the interior sound insulation of preceding bounding wall pad, and then improved the sound insulation performance of preceding system. When the base is fixed on the front coaming, the sound insulation pad in the front coaming is pressed tightly on the front coaming by the base.
Above-mentioned base can adopt the footboard base among the prior art to realize, as a better structural arrangement form, the base includes first components of a whole that can function independently 5, second components of a whole that can function independently, linking bridge and the pivot 2 of connecting first components of a whole that can function independently 5 and second components of a whole that can function independently, first components of a whole that can function independently 5 and second components of a whole that can function independently pass through linking bridge and dash panel sheet metal connection, and the tip of first components of a whole that can function independently and second components of a whole that can function independently is equipped with the installation department of bending with dash panel sheet metal connection, and accelerator. The brake pedal is connected with the rotating shaft in an installing way. This kind of structure setting, the brake pedal of being convenient for and accelerator pedal integration are on the base, and structural layout is reasonable, avoids forming and interferes, has solved the big problem of traditional brake pedal and accelerator pedal occupation space, and the footboard has adopted integrated into one piece's structure moreover, under the circumstances of proof strength, has alleviateed weight greatly. The highest point of the first sub-body which is raised upwards is not more than the whole height of the base.
In order to facilitate the better erection joint of base and preceding bounding wall panel beating, as shown in fig. 3, linking bridge is equipped with the round hole of fretwork and locates the fastening mounting hole in the peripheral four corners of round hole. Specifically, the end parts of the first and second split bodies are provided with bending installation parts connected with the front wall sheet metal and provided with first installation holes 6 matched with the bending installation parts, four corners of the periphery of the round hole are respectively provided with second installation holes 7, third installation holes 8, fourth installation holes 9 and fifth installation holes 10, and the base penetrates through the five installation holes through five screws and is fixed on the front wall sheet metal.
In order to ensure the installation stability of the accelerator pedal, three accelerator pedal installation holes for installing the accelerator pedal are formed in the bottom plate of the first split body 5, and connecting lines among the three accelerator pedal installation holes are triangular. Specifically, as shown in fig. 3, the accelerator pedal is fixedly mounted on the first sub-body 5 of the base by passing a first screw 11, a second screw 12 and a third screw 13 through corresponding three accelerator pedal mounting holes.
In order to ensure a good sound insulation and noise reduction effect, the thickness of the front wall inner sound insulation pad 14 is larger than the height of the connecting bracket. The sound insulation pad in the front wall ensures certain thickness, and improves the sound insulation performance of the front wall system.
When guaranteeing the pedestal mounting on preceding bounding wall, the sound insulation pad's zero clearance fit installation in base and the preceding bounding wall, the preceding interior sound insulation pad of enclosing is equipped with dodges the hole, and the mounting point of preceding bounding wall is connected to the base and dodges the hole scarf joint. The arrangement of the avoiding hole can be used for the base to be embedded without clearance.
The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.