Mounting bracket, honeycomb sandwich structure fairing and vehicle

Abstract

The utility model provides a mounting bracket, a honeycomb sandwich structure fairing and a vehicle. The mounting bracket comprises a bottom plate; the nuts are fixedly arranged on one side face of the bottom plate, a plurality of long-strip-shaped holes are formed in the edge of the periphery of the bottom plate, the long-strip-shaped holes are formed in the circumferential direction of the bottom plate at intervals, and each long-strip-shaped hole extends in the circumferential direction of the bottom plate. The honeycomb sandwich structure flow guide cover comprises an outer plate, a honeycomb plate, a first fiber felt and a second fiber felt which are sequentially arranged from outside to inside and bonded into a whole. The mounting brackets are arranged between the first fiber felt and the second fiber felt; the plurality of reinforcing fiber cloth groups are in one-to-one correspondence with the plurality of mounting brackets and are arranged between the first fiber felt and the second fiber felt, each reinforcing fiber cloth group comprises a plurality of pieces of reinforcing fiber cloth which are in one-to-one correspondence with the plurality of strip-shaped holes in the corresponding bottom plate, and each piece of reinforcing fiber cloth penetrates through the corresponding strip-shaped hole; and the first fiber felt and the second fiber felt are bonded into a whole.

Description

Technical Field

[0001] The utility model belongs to the technical field of new materials for automobile manufacturing, and particularly relates to a mounting bracket, a honeycomb sandwich structure air duct and a vehicle. Background Art

[0002] As far as new energy vehicles are concerned, lightweighting of their parts and components can effectively improve vehicle energy utilization and increase economic benefits, becoming one of the important research directions in the automotive industry.

[0003] Currently, honeycomb sandwich shrouds can reduce weight by approximately 30-45% compared to traditional fiberglass shrouds, making them a mainstream product. However, the pull-out force of the mounting brackets in existing honeycomb sandwich shrouds is only one-eighth of that of traditional fiberglass shrouds, significantly limiting their application. Utility Model Content

[0004] In order to solve the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a mounting bracket, a honeycomb sandwich structure air duct and a vehicle.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] <Option 1>

[0007] The utility model provides a mounting bracket having the following characteristics, including: a base plate; and a plurality of nuts fixedly arranged on one side of the base plate and respectively used to be connected with bolts on a vehicle body, wherein a plurality of elongated holes are provided at the peripheral edge of the base plate, the plurality of elongated holes are arranged at intervals along the circumference of the base plate, and each elongated hole extends along the circumference of the base plate.

[0008] The mounting bracket provided by the present invention may also have the following feature: a plurality of nut mounting grooves corresponding one-to-one to the plurality of nuts are provided on the bottom plate.

[0009] The mounting bracket provided by the present invention may also have the following feature: the nut and the base plate are connected by welding or bonding.

[0010] The mounting bracket provided by the present invention may also have the following features: the number of the elongated holes is 2-4, and the width of each elongated hole is 2-5 mm.

[0011] The mounting bracket provided by the present invention may also have the following features: wherein the bottom plate is a square metal flat plate, the number of the elongated holes is 4, and the 4 elongated holes are respectively located at the four edges of the bottom plate.

[0012] <Option 2>

[0013] The present invention also provides a honeycomb sandwich structure air duct having the following characteristics: an outer panel, a honeycomb panel, a first fiber felt and a second fiber felt, which are arranged in sequence from the outside to the inside and bonded to each other into one body; a plurality of mounting brackets of <Scheme 1>, which are arranged between the first fiber felt and the second fiber felt; and a plurality of reinforcing fiber cloth groups corresponding one-to-one to the plurality of mounting brackets and arranged between the first fiber felt and the second fiber felt, wherein each reinforcing fiber cloth group includes a plurality of reinforcing fiber cloths corresponding one-to-one to a plurality of long strip holes on the corresponding base plate, and each reinforcing fiber cloth passes through the corresponding long strip hole and is bonded to the first fiber felt and the second fiber felt into one body.

[0014] The honeycomb sandwich structure air guide cover provided by the present invention may also have the following features: wherein the middle portion of the reinforcing fiber cloth is inserted into the corresponding long strip hole, and the two end portions are folded in half and extend toward the outside of the bottom plate.

[0015] <Option 3>

[0016] The utility model also provides a vehicle having the following characteristics, including: the honeycomb sandwich structure air duct of <Solution 2>.

[0017] Function and effect of utility model

[0018] According to the mounting bracket, honeycomb sandwich structure air deflector and vehicle involved in the utility model, since a plurality of elongated holes are provided at the peripheral edge of the bottom plate in the mounting bracket, the plurality of elongated holes are arranged at intervals along the circumference of the bottom plate, and each elongated hole extends along the circumference of the bottom plate, and can allow reinforcing fiber cloth to pass through, thereby increasing the bonding area of ​​the overall structure of the mounting bracket, not only effectively improving the vertical pull-out force, tangential strength and impact strength of the mounting point, but also reducing the weight of the mounting bracket to a certain extent, and having broader application prospects and commercial value. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the mounting bracket and the reinforcing fiber cloth group in the embodiment of the present utility model;

[0020] Figure 2 is a schematic diagram of the three-dimensional structure of the mounting bracket in an embodiment of the present utility model; and

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the bottom plate in the embodiment of the present utility model. DETAILED DESCRIPTION

[0022] The concept, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention.

[0023] <Example>

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the mounting bracket and the reinforcing fiber cloth group in the embodiment of the present utility model.

[0025] like Figure 1 As shown, the honeycomb sandwich structure air duct provided in this embodiment is improved on the basis of the honeycomb sandwich structure air duct used in vehicles in the prior art, and includes an outer panel, a honeycomb panel, a first fiber felt and a second fiber felt arranged in sequence from the outside to the inside and bonded to each other into one body, a plurality of mounting brackets 10 arranged between the first fiber felt and the second fiber felt, and a plurality of reinforcing fiber cloth groups 20 corresponding one-to-one to the plurality of mounting brackets 10 and arranged between the first fiber felt and the second fiber felt.

[0026] In this embodiment, the outer panel is made of a mixture of one or more of a thermoplastic polymer, a mixture of a thermoplastic polymer and reinforcing fibers, a thermosetting polymer, and a mixture of a thermosetting polymer and reinforcing fibers and is made by a molding process or an injection molding process, and has a smooth surface and a styling appearance; the aluminum honeycomb panel is a honeycomb structure panel made of aluminum material, which not only has a low density and light weight, but also has high rigidity and strong deformation resistance; the first fiber mat and the second fiber mat are sequentially coated on the back of the honeycomb panel, which not only reduces weight but also reduces cost.

[0027] Figure 2 This is a schematic diagram of the three-dimensional structure of the mounting bracket in the embodiment of the present utility model; Figure 3 It is a schematic diagram of the three-dimensional structure of the bottom plate in the embodiment of the present utility model.

[0028] like Figures 1 to 3 As shown, each mounting bracket 10 includes a base plate 11 and a plurality of nuts 12 .

[0029] The base plate 11 is provided with a plurality of elongated holes 111 along its perimeter. These holes 111 are evenly spaced and extend along the circumference of the base plate 11. A plurality of nut mounting slots 112 are provided on one side of the base plate 11, corresponding one-to-one with the nuts 12. In this embodiment, the number of elongated holes 111 is 2-4, and each hole 111 is 2-5 mm wide.

[0030] In this embodiment, the bottom plate 11 is a square metal plate. Of course, according to actual needs, the bottom plate 11 can also be made of non-metallic materials, with a contour shape of a circle or other shapes, and the overall structure adopts a curved structure.

[0031] The multiple nuts 12 are respectively used to connect with the bolts on the vehicle body, and are arranged in the multiple nut installation grooves 112 on the base plate 11. The nuts 12 are connected to the base plate 11 by welding or bonding.

[0032] like Figure 1 As shown, each reinforcing fiber cloth set 20 includes multiple reinforcing fiber cloths 21 corresponding to the multiple elongated holes 111 in the corresponding base plate 11. Each reinforcing fiber cloth 21 passes through the corresponding elongated hole 111 and is bonded to the first fiber mat and the second fiber mat to form a single body. In this embodiment, the middle portion of the reinforcing fiber cloth 21 passes through the corresponding elongated hole 111, with the two ends folded in half and extending toward the outside of the base plate 11. The reinforcing fiber cloths 21, the first fiber mat, and the second fiber mat are all made of a mixture of one or more of glass fiber, quartz fiber, basalt fiber, and carbon fiber.

[0033] In this embodiment, the manufacturing process of the honeycomb sandwich structure air guide cover including the above-mentioned mounting bracket 10 is as follows:

[0034] Place the outer panel into the mold and fix it, and evenly apply or apply a layer of glue on the inner surface of the outer panel.

[0035] Place the honeycomb panel on top of the glue layer.

[0036] The first fiber mat soaked in glue is laid on the inner surface of the honeycomb panel.

[0037] The reinforcing fiber cloth 12 soaked in glue is passed through the elongated holes 111 on the bottom plate 11 .

[0038] The mounting bracket 10 with the reinforcing fiber cloth 12 is placed at a predetermined position on the first fiber mat.

[0039] The second fiber mat soaked in glue is laid on top of the plurality of mounting brackets 10 and the first fiber mat.

[0040] The semi-finished product of the air deflector is obtained by performing a molding and curing process on a press.

[0041] The semi-finished air deflector is placed in the trimming tooling, fixed and then trimmed to obtain the finished air deflector.

[0042] Example Function and Effect

[0043] According to the mounting bracket, honeycomb sandwich structure air duct and vehicle involved in this embodiment, since a plurality of elongated holes are provided at the peripheral edge of the bottom plate in the mounting bracket, the plurality of elongated holes are arranged at intervals along the circumference of the bottom plate, and each elongated hole extends along the circumference of the bottom plate, allowing the reinforcing fiber cloth to pass through, thereby increasing the bonding area of ​​the overall structure of the mounting bracket, effectively improving the vertical pull-out force, tangential strength and impact strength of the mounting point, and reducing the weight of the mounting bracket to a certain extent, and having broader application prospects and commercial value.

[0044] The above-mentioned embodiments are preferred examples of the present invention and are not intended to limit the scope of protection of the present invention.

Claims

1. A mounting bracket, characterized in that: include: base plate; as well as A plurality of nuts are fixedly arranged on one side of the base plate and are respectively used to connect with the bolts on the vehicle body. Wherein, a plurality of long holes are provided at the peripheral edge of the bottom plate. The plurality of elongated holes are arranged at intervals along the circumference of the bottom plate, and each of the elongated holes extends along the circumference of the bottom plate.

2. The mounting bracket according to claim 1, wherein: in, The bottom plate is provided with a plurality of nut mounting grooves corresponding one to one to the plurality of nuts.

3. The mounting bracket according to claim 1 or 2, characterized in that: in, The nut is connected to the base plate by welding or bonding.

4. The mounting bracket according to claim 1, wherein: in, The number of the elongated holes is 2-4, and the width of each elongated hole is 2-5 mm.

5. The mounting bracket according to claim 1, wherein: in, The bottom plate is a square metal flat plate. The number of the elongated holes is 4, and the 4 elongated holes are respectively located at the four edges of the bottom plate.

6. A honeycomb sandwich structure guide cover, characterized in that: include: An outer panel, a honeycomb panel, a first fiber mat and a second fiber mat are sequentially arranged from the outside to the inside and bonded to each other into one body; a plurality of mounting brackets according to any one of claims 1 to 5, disposed between the first fiber mat and the second fiber mat; and a plurality of reinforcing fiber cloth groups corresponding one-to-one to the plurality of mounting brackets and arranged between the first fiber mat and the second fiber mat; Each of the reinforcing fiber cloth groups includes a plurality of reinforcing fiber cloths corresponding one-to-one to the plurality of elongated holes on the corresponding bottom plate. Each of the reinforcing fiber cloths passes through the corresponding long strip hole and is bonded to the first fiber mat and the second fiber mat to form a whole.

7. The honeycomb sandwich structure shroud according to claim 6, characterized in that: in, The middle portion of the reinforcing fiber cloth is inserted into the corresponding long hole, and the two ends are folded in half and extend toward the outside of the bottom plate.

8. A vehicle, characterized in that: include: The honeycomb sandwich structure fairing according to any one of claims 6 to 7.

Images