Commercial vehicle radiator grille structure and vehicle

Abstract

The utility model provides a commercial vehicle radiator grille structure and a vehicle. The commercial vehicle front face shield structure comprises an outer plate and an inner plate which are sequentially arranged from outside to inside and matched with each other, the outer plate and the inner plate are bonded into a whole through an adhesive layer, the outer plate is a mineral filling modified polypropylene plate, and the inner plate is a glass fiber reinforced polypropylene composite material framework plate of a hollow structure. The inner plate is provided with a framework ring, four inclined framework strips located outside the framework ring, an upper transverse framework strip, a lower transverse framework strip, a plurality of first longitudinal framework strips and a plurality of second longitudinal framework strips, wherein the upper transverse framework strip and the lower transverse framework strip are located above and below the framework ring and the inclined frameworks respectively, the first longitudinal framework strips and the second longitudinal framework strips are arranged at intervals, and the four inclined framework strips are arranged in an X shape. The inner end of each oblique framework strip is connected with the framework ring, the two ends of the first longitudinal framework strip are connected with the two oblique framework strips respectively, and the two ends of the second longitudinal framework strip are connected with the oblique framework strips and the upper transverse framework strip or the lower transverse framework strip respectively.

Description

Technical Field

[0001] The utility model belongs to the technical field of new materials for automobile manufacturing, and particularly relates to a front cover structure of a commercial vehicle and the vehicle. Background Art

[0002] The front hood, the face of a commercial vehicle, is a crucial component. Lightweighting can effectively improve vehicle energy efficiency, making front hood lightweighting a key area of ​​research for commercial vehicle components.

[0003] The material used for the front hood of existing commercial vehicles is mostly fiberglass. The structure is divided into fiberglass single panel and inner panel + fiberglass outer panel. The inner panel is usually made of sheet metal or fiberglass. However, both single panel and inner and outer panels have the following disadvantages: (1) They are heavy and cannot meet the demand for lightweighting; (2) The fiberglass surface has a floating fiber property, so the paint quality is poor. 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 commercial vehicle front cover structure and vehicle.

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

[0006] <Option 1>

[0007] The utility model provides a front cover structure of a commercial vehicle, which has the following characteristics: an outer panel and an inner panel are arranged in sequence from the outside to the inside and matched with each other, wherein the outer panel and the inner panel are bonded into one body by an adhesive layer, the outer panel is a mineral-filled modified polypropylene panel, and the inner panel is a glass fiber reinforced polypropylene composite material skeleton panel with a hollow structure.

[0008] The commercial vehicle front mask structure provided by the present invention may also have the following features: the inner panel has a skeleton ring that matches the vehicle logo, and four oblique skeleton bars located outside the skeleton ring, the four oblique skeleton bars are arranged in an "X" shape, and the inner end of each oblique skeleton bar is connected to the skeleton ring.

[0009] The commercial vehicle front cover structure provided by the present invention may also have the following features: the inner panel also has an upper transverse frame bar and a lower transverse frame bar respectively located above and below the frame ring and the oblique frame, and a plurality of first longitudinal frame bars and a plurality of second longitudinal frame bars arranged at intervals, the first longitudinal frame bar is located between the two oblique frame bars, and the two ends are respectively connected to the two oblique frame bars, the second longitudinal frame bar is located between the oblique frame bar and the upper transverse frame bar or the lower transverse frame bar, and the two ends are respectively connected to the oblique frame bar and the upper transverse frame bar or the lower transverse frame bar.

[0010] In the front mask structure of the commercial vehicle provided by the present utility model, it may further have the following feature: among them, the first longitudinal skeleton bar and the second longitudinal skeleton bar are arranged in an alternating manner.

[0011] In the front mask structure of the commercial vehicle provided by the present utility model, it may further have the following feature: among them, the cross-sections of the skeleton ring, the diagonal skeleton bar, the upper horizontal skeleton bar, the lower horizontal skeleton bar, the first longitudinal skeleton bar and the second longitudinal skeleton bar are all in the shape of "Ji".

[0012] In the front mask structure of the commercial vehicle provided by the present utility model, it may further have the following feature: among them, the number of the upper horizontal skeleton bar and the lower horizontal skeleton bar is two each, and the two upper horizontal skeleton bars and the two lower horizontal skeleton bars are arranged at intervals.

[0013] In the front mask structure of the commercial vehicle provided by the present utility model, it may further have the following feature: among them, the thicknesses of the outer plate, the inner plate and the glue layer are 2.5 - 3.5 mm, 2 - 3 mm and 1 - 2 mm respectively.

[0014] In the front mask structure of the commercial vehicle provided by the present utility model, it may further have the following feature: among them, the inner plate further has a plurality of hinge mounting parts, and the hinge mounting parts are provided with a plurality of reinforcing ribs arranged in a "Mi" shape on the inner side of the inner plate.

[0015] In the front mask structure of the commercial vehicle provided by the present utility model, it may further have the following feature: among them, the inner plate further has a lock tongue mounting part, the lock tongue mounting part is provided with a plurality of reinforcing ribs arranged in a "Mi" shape on the inner side of the inner plate, and a reinforcing plate is provided between the lock tongue mounting part and the outer plate.

[0016] <Solution Two>

[0017] The present invention also provides a vehicle, which has the following feature, including the front mask structure of <Solution One>.

[0018] Functions and effects of the utility model

[0019] According to the front mask structure of the commercial vehicle and the vehicle involved in the present utility model, since there are an outer plate and an inner plate which are arranged in sequence from outside to inside and match each other, among them, the outer plate and the inner plate are bonded into one body through a glue layer, the outer plate is a mineral-filled modified polypropylene plate, and the inner plate is a glass fiber reinforced polypropylene composite material skeleton plate with a hollow structure, it can greatly reduce the overall weight on the premise of ensuring the overall strength, meeting the lightweight requirement; moreover, the surface of the outer plate made of mineral-filled modified polypropylene is smooth and easy to paint. Brief description of the drawings

[0020] Figure 1 It is a three-dimensional structure schematic diagram of the front mask structure of the commercial vehicle in the embodiment of the present utility model;

[0021] Figure 2 is a partial cross-sectional view of a front cover structure of a commercial vehicle in an embodiment of the present utility model; and

[0022] Figure 3 It is a structural schematic diagram of the hinge installation portion in an embodiment of the present utility model; DETAILED DESCRIPTION

[0023] 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.

[0024] <Example>

[0025] like Figure 1 and Figure 2 As shown, in this embodiment, the commercial vehicle front cover structure 10 includes an outer panel 11 and an inner panel 12 that are sequentially arranged from the outside to the inside and match each other. The outer panel 11 and the inner panel 12 are bonded together by an adhesive layer 13 .

[0026] like Figure 1 and Figure 2 As shown, the outer panel 11 is a mineral-filled modified polypropylene panel, and its central portion has a vehicle logo mounting portion 111 for mounting the vehicle logo. In this embodiment, the outer panel 11 is made of PP+EPDM-T20 panel with a thickness of 2.5-3.5 mm, taking into account both cost and quality.

[0027] like Figure 1 and Figure 2 As shown, the inner panel 12 is a hollowed-out glass fiber reinforced polypropylene composite frame panel. In this embodiment, the inner panel 12 is made of PP+LGF30 frame panel with a thickness of 2-3 mm. The inner panel 12 comprises an integrally formed frame ring 121, four diagonal frame bars 122, two upper transverse frame bars 123, two lower transverse frame bars 124, multiple first longitudinal frame bars 125, multiple second longitudinal frame bars 126, a hinge mounting portion 127, and a bolt mounting portion 128.

[0028] The skeleton ring 121 matches the vehicle logo and is disposed corresponding to the vehicle logo mounting portion 111 of the outer panel 11 .

[0029] The four oblique frame bars 122 are located outside the frame ring 121 and are arranged in an "X" shape; the inner end of each oblique frame bar 122 is connected to the frame ring 121, thereby ensuring the rigidity of the middle part of the front mask.

[0030] The two upper transverse frame bars 123 are located above the frame ring 121 and the oblique frame 122 and are arranged at intervals.

[0031] Two lower transverse frame bars 124 are located below the frame ring 121 and the diagonal frame 122, and are arranged at intervals.

[0032] Multiple first longitudinal frame bars 125 are arranged at intervals; the first longitudinal frame bars 125 are located between two diagonal frame bars 122, and its two ends are respectively connected to the two diagonal frame bars 122.

[0033] Multiple second longitudinal frame bars 126 are arranged at intervals; the second longitudinal frame bars 126 are located between the diagonal frame bars 122 and the upper transverse frame bar 123 or the lower transverse frame bar 124, and its two ends are respectively connected to the diagonal frame bars 122 and the upper transverse frame bar 123 or the lower transverse frame bar 124. In this embodiment, the first longitudinal frame bars 125 and the second longitudinal frame bars 126 are arranged in a staggered manner one by one, ensuring uniform stress.

[0034] In this embodiment, the cross-sections of the frame ring 121, the diagonal frame bars 122, the upper transverse frame bar 123, the lower transverse frame bar 124, the first longitudinal frame bars 125 and the second longitudinal frame bars 126 are all "channel" shaped.

[0035] The hinge mounting portion 127 is provided with a plurality of reinforcing ribs 127a arranged in a "cross" shape on the inner side of the inner plate 12 to eliminate the stress concentration problem here. In this embodiment, the local thickness of the hinge mounting portion 127 is thickened to 3 mm, ensuring the strength at this place.

[0036] The lock tongue mounting portion 128 is provided with a plurality of reinforcing ribs arranged in a "cross" shape on the inner side of the inner plate 12 to eliminate the stress concentration problem here. In this embodiment, a reinforcing plate (not shown in the figure) is provided between the lock tongue mounting portion 128 and the outer plate 11, and the reinforcing plate is a Q235 steel plate with a thickness of 1.5 - 2.5 mm; the design of the reinforcing ribs and the reinforcing plate solves the problem of cracking of the lock tongue mounting portion caused by vibration.

[0037] In this embodiment, the distance between the peripheral edge of the inner plate 12 and the outer plate 11 is 5 mm.

[0038] The glue layer 13 is used to bond the outer plate 11 and the inner plate 12 into one body, and is a structural glue with a thickness of 1 - 2 mm. The glue layer 13 has glue strips for the frame ring 121, the diagonal frame bars 122, the upper transverse frame bar 123, the lower transverse frame bar 124, the first longitudinal frame bars 125 and the second longitudinal frame bars 126, and the width of the glue strip is 10 - 20 mm.

[0039] Functions and effects of the embodiment

[0040] The commercial vehicle front hood structure and vehicle involved in this embodiment have outer and inner panels arranged sequentially from the outside to the inside and matching each other, wherein the outer and inner panels are bonded together by an adhesive layer. The outer panel is a mineral-filled modified polypropylene panel, and the inner panel is a hollow glass fiber reinforced polypropylene composite skeleton panel. Under the premise of ensuring overall strength, the overall weight can be greatly reduced to meet the lightweight requirements. Moreover, the surface of the outer panel made of mineral-filled modified polypropylene is smooth and easy to paint.

[0041] In addition, because the inner panel has a frame ring that matches the car logo, and four oblique frame bars located outside the frame ring, the four oblique frame bars are arranged in an "X" shape, and the inner end of each oblique frame bar is connected to the frame ring, the rigidity of the middle part of the front mask is ensured.

[0042] In addition, because the inner panel also has an upper transverse frame bar and a lower transverse frame bar respectively located above and below the frame ring and the oblique frame, and a plurality of first longitudinal frame bars and a plurality of second longitudinal frame bars arranged at intervals, the first longitudinal frame bar is located between the two oblique frame bars, and the two ends are respectively connected to the two oblique frame bars, and the second longitudinal frame bar is located between the oblique frame bar and the upper transverse frame bar or the lower transverse frame bar, and the two ends are respectively connected to the oblique frame bar and the upper transverse frame bar or the lower transverse frame bar, thereby ensuring the overall rigidity of the front mask.

[0043] Furthermore, because the first longitudinal frame bars and the second longitudinal frame bars are arranged in a staggered manner, uniform force is ensured.

[0044] In addition, because the cross-sections of the frame ring, oblique frame bar, upper horizontal frame bar, lower horizontal frame bar, first longitudinal frame bar and second longitudinal frame bar are all in the shape of a "J", the bonding area between the inner panel and the outer panel is increased, ensuring the connection strength between the two and the overall rigidity of the front mask.

[0045] In addition, because there are two upper transverse frame bars and two lower transverse frame bars, the two upper transverse frame bars and the two lower transverse frame bars are arranged at intervals, which further ensures the rigidity of the upper and lower parts of the front mask.

[0046] In addition, because the inner panel also has multiple hinge mounting parts, the hinge mounting parts are provided with multiple reinforcing ribs located on the inner side of the inner panel and arranged in a "M" shape, which helps to eliminate the stress concentration problem here.

[0047] In addition, because the inner plate also has a lock tongue mounting portion, the lock tongue mounting portion is provided with multiple reinforcing ribs located on the inner side of the inner plate and arranged in a "M" shape, and a reinforcing plate is provided between the lock tongue mounting portion and the outer plate, which is conducive to eliminating the stress concentration problem here.

[0048] 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 commercial vehicle front cover structure, characterized in that: Comprising: An outer plate and an inner plate which are arranged successively from outside to inside and match each other, wherein, the outer plate and the inner plate are bonded into one body through an adhesive layer, the outer plate is a mineral-filled modified polypropylene plate, the inner plate is a glass fiber reinforced polypropylene composite material skeleton plate with a hollow structure.

2. The structure of the front mask of a commercial vehicle according to claim 1, wherein: in, The inner plate has a skeleton ring matching the vehicle logo and four diagonal skeleton bars located outside the skeleton ring, the four diagonal skeleton bars are arranged in an "X" shape, and the inner end of each diagonal skeleton bar is connected to the skeleton ring.

3. The structure of the front mask of a commercial vehicle according to claim 2, wherein: in, The inner plate further has upper and lower transverse skeleton bars respectively located above and below the skeleton ring and the diagonal skeleton bars, and multiple first longitudinal skeleton bars and multiple second longitudinal skeleton bars which are arranged at intervals, the first longitudinal skeleton bars are located between two of the diagonal skeleton bars, and the two ends are respectively connected to the two diagonal skeleton bars, the second longitudinal skeleton bars are located between the diagonal skeleton bars and the upper or lower transverse skeleton bars, and the two ends are respectively connected to the diagonal skeleton bars and the upper or lower transverse skeleton bars.

4. The structure of the front mask of a commercial vehicle according to claim 3, wherein: in, The first longitudinal skeleton bars and the second longitudinal skeleton bars are arranged alternately.

5. The structure of the front mask of a commercial vehicle according to claim 3, wherein: in, The cross-sections of the skeleton ring, the diagonal skeleton bars, the upper transverse skeleton bars, the lower transverse skeleton bars, the first longitudinal skeleton bars and the second longitudinal skeleton bars are all in a "U" shape.

6. The structure of the front mask of a commercial vehicle according to claim 3, wherein: in, The number of the upper transverse skeleton bars and the lower transverse skeleton bars is two each, and the two upper transverse skeleton bars and the two lower transverse skeleton bars are arranged at intervals.

7. The structure of the front mask of a commercial vehicle according to claim 1, wherein: in, The thicknesses of the outer plate, the inner plate and the adhesive layer are 2.5 - 3.5 mm, 2 - 3 mm and 1 - 2 mm respectively.

8. The structure of the front mask of a commercial vehicle according to claim 1, wherein: in, The inner plate further has multiple hinge mounting parts, and the hinge mounting parts are provided with multiple reinforcing ribs arranged in a "cross" shape on the inner side of the inner plate.

9. The structure of the front mask of a commercial vehicle according to claim 1, wherein: in, The inner plate further has a lock tongue mounting part, and the lock tongue mounting part is provided with multiple reinforcing ribs arranged in a "cross" shape on the inner side of the inner plate, and a reinforcing plate is provided between the lock tongue mounting part and the outer plate.

10. A vehicle, characterized in that: Comprising the front mask structure according to any one of claims 1 - 9.

Images