Automobile engine hood structure based on PDCPD material

Abstract

The utility model discloses an automobile engine hood structure based on a PDCPD material, and relates to the technical field of automobile engine hoods, the automobile engine hood structure comprises an engine hood, a sealing frame is installed on the front face of the engine hood, a reinforcing net is installed on the front face of the sealing frame, the reinforcing net is installed on the inner side of the engine hood, supporting columns are installed on the front face of the engine hood, and connecting screw holes are formed in the inner sides of the supporting columns. According to the automobile engine hood, the polydicyclopentadiene lining is installed, the assembling shell fixes the polydicyclopentadiene lining on the outer side, the polydicyclopentadiene lining is installed on the inner side of the engine hood, the polydicyclopentadiene lining is made of polydicyclopentadiene materials, and the weight of an automobile body can be obviously reduced due to the low-density characteristic of the polydicyclopentadiene materials; according to the engine hood model, the engine hood model structure design is optimized through the analysis result, and the excellent impact resistance of the polydicyclopentadiene material can effectively protect the safety of a driver and passengers in the collision process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile engine hood, concretely is automobile engine hood structure based on PDCPD material. BACKGROUND

[0002] The flow direction and the hindering force effect of air relative to automobile movement can be effectively adjusted through the engine cover shape, the influence of air flow on the automobile is reduced, the air resistance can be decomposed into beneficial force through flow guide, the force is high front wheel tire force on the ground, which is beneficial to the driving stability of the automobile, the streamline engine cover appearance is basically designed according to this principle, the engine and peripheral pipeline accessories are protected, the engine cover is the important component of the automobile, including engine, circuit, oil circuit, brake system and transmission system etc., which is very important to the vehicle, the adverse effects such as impact, corrosion, rain and electric interference can be prevented by improving the strength and structure of the engine cover.

[0003] The patent document CN214215943U discloses a novel automobile engine cover structure, which discloses "a novel automobile engine cover structure, comprising a cover plate, a buffer layer is fixedly connected to the lower surface of the cover plate, a framework is arranged below the buffer layer, a heat insulation layer is arranged in the framework, an inner backing plate is arranged below the framework, a lock ring is fixedly connected to the front side of the lower surface of the inner backing plate, and a supporting hole is formed in the front side of the lower surface of the inner backing plate";

[0004] The existing automobile engine cover is made of metal material, which is too heavy and inconvenient for users to carry. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing automobile engine cover structure based on PDCPD material to solve the technical problem that the automobile engine cover is made of metal material, which is too heavy and inconvenient for users to carry.

[0006] To achieve the above object, the utility model provides the following technical scheme: automobile engine cover structure based on PDCPD material, comprising: an engine cover, a sealing frame is installed on the front of the engine cover, a reinforcing net is installed on the front of the sealing frame, the reinforcing net is installed on the inner side of the engine cover, a supporting column is installed on the front of the engine cover, connecting screw holes are formed in the inner side of the supporting column, reinforcing plates are installed between the supporting columns, an assembling shell is movably installed on the outer side of the supporting column, and a polydicyclopentadiene lining is installed on the outer side of the assembling shell.

[0007] Preferably, the inner side of the connecting screw hole is connected with a positioning screw through threads, and the outer side of the positioning screw is installed with an antiskid pad.

[0008] Preferably, the front of the assembled shell is provided with a through hole, the positioning screw passes through the inner side of the through hole, and the non-slip pad abuts against the front of the assembled shell.

[0009] Preferably, the front of the engine cover is provided with an assembled plate, the inner side of the assembled plate is provided with a connecting screw, the assembled plate is installed on the front of the engine cover through the connecting screw, and the front of the assembled plate is provided with a mounting seat.

[0010] Preferably, one side of the mounting seat is provided with a threaded seat, and the inner sides of the mounting seat and the threaded seat are provided with a connecting shaft through screw threads.

[0011] Preferably, the outer side of the connecting shaft is provided with a bearing seat, and one end of the bearing seat is provided with a connecting plate.

[0012] Preferably, the inner side of the connecting plate is provided with two groups of fastening screws in a penetrating mode, and the two groups of fastening screws are located on the two sides of the connecting plate.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a polydicyclopentadiene lining is installed, and the outer side polydicyclopentadiene lining is fixed to the assembled shell, the polydicyclopentadiene lining is installed on the inner side of the engine cover, the polydicyclopentadiene lining is polydicyclopentadiene material, and the low density characteristic of polydicyclopentadiene material can significantly reduce the weight of the vehicle body, so that the light weight of the automobile is realized, and the endurance and energy utilization efficiency of the new energy automobile are further improved, the engine cover model structure design is optimized through the analysis result, and the excellent impact resistance of polydicyclopentadiene material can effectively protect the safety of the driver and passenger in the collision.

[0015] 2. The utility model discloses a support column is installed, and the inner side support column is fixed to the engine cover, guaranteeing the stability of the support column, the inner side of the support column is connected with the positioning screw through the connecting screw hole, positioning screw positioning installation is convenient, the user is accurately installed, and the user is convenient dismantle the engine cover and polydicyclopentadiene lining. ACCURACY

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the reinforcing net structure schematic diagram of the utility model;

[0018] Figure 3 It is the engine cover structure schematic diagram of the utility model;

[0019] Figure 4 It is the assembled shell structure schematic diagram of the utility model;

[0020] Figure 5The utility model discloses a connecting plate structure schematic diagram.

[0021] In the drawing: 1, engine cover; 2, seal frame; 3, reinforcing net; 4, support column; 5, connecting screw hole; 6, reinforcing plate; 7, assembly shell; 8, through -going opening; 9, positioning screw; 10, non -skid pad; 11, polydicyclopentadiene inner liner; 12, assembly plate; 13, mounting seat; 14, connecting screw; 15, threaded seat; 16, connecting shaft; 17, bearing seat; 18, connecting plate; 19, fastening screw. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0023] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And Figure 5, the engine cover structure based on PDCPD material comprises an engine cover 1, a sealing frame 2 is installed on the front surface of the engine cover 1, a reinforcing net 3 is embedded in the reserved groove (the groove depth is 1.5 mm, and the groove width is 2 mm) on the inner side of the engine cover 1 and is fixedly connected with the groove through epoxy structural adhesive (the model number is EP-230, and the bonding strength is greater than or equal to 18 MPa), the reinforcing net 3 is located on the inner side of the joint surface between the sealing frame 2 and the engine cover 1 and is used for dispersing the impact load on the front surface of the engine cover, a support column 4 is installed on the front surface of the engine cover 1, a connecting screw hole 5 is formed in the inner side of the support column 4, a reinforcing plate 6 is installed between the support columns 4, an assembly shell 7 is movably installed on the outer side of the support column 4, a polydicyclopentadiene lining 11 is installed on the outer side of the assembly shell 7, a positioning screw 9 is threadedly connected to the inner side of the connecting screw hole 5, an antiskid pad 10 is installed on the outer side of the positioning screw 9, the antiskid pad 10 is a nitrile rubber pad (the Shore hardness is 75A), a through hole 8 is formed in the front surface of the assembly shell 7, the positioning screw 9 passes through the inner side of the through hole 8, and the antiskid pad 10 abuts against the front surface of the assembly shell 7;

[0026] The sealing frame 2 is installed on the front surface of the engine cover 1, the stability of the sealing frame 2 is guaranteed, the reinforcing net 3 is fixed to the inner side of the sealing frame 2, the reinforcing net 3 is installed on the inner side of the engine cover 1, the reinforcing net 3 is composed of polydicyclopentadiene material, the strength of the engine cover 1 is improved through the polydicyclopentadiene material, the deformation of the engine cover 1 is prevented, the inner side of the engine cover 1 is fixed to the support column 4, the stability of the support column 4 is guaranteed, the inner side of the support column 4 is connected with the positioning screw 9 through the connecting screw hole 5, the positioning screw 9 is conveniently positioned and installed, the user can accurately install the positioning screw 9, and the user can conveniently disassemble and assemble the engine cover 1 and the polydicyclopentadiene lining 11;

[0027] The outer side of the support column 4 is limited by the assembly shell 7, the user can accurately install the assembly shell 7, the outer side of the assembly shell 7 is fixed to the polydicyclopentadiene lining 11, the polydicyclopentadiene lining 11 is installed on the inner side of the engine cover 1, the polydicyclopentadiene lining 11 is made of polydicyclopentadiene material, the density of the polydicyclopentadiene (PDCPD) material is 0.98-1.04 g / cm 3 (the actual measurement is GB / T1033.1), the tensile strength is greater than or equal to 65 MPa (ISO 527), and the notched Izod impact strength is greater than or equal to 35 kJ / m 2 (ISO 180). The low-density characteristic of the polydicyclopentadiene material can significantly reduce the weight of the vehicle body, so that the automobile is lightened, and the endurance and energy utilization efficiency of the new energy automobile are improved. Through analysis and optimization of the engine cover model structure design, the excellent impact resistance of the polydicyclopentadiene material can effectively protect the safety of the driver and passengers in the collision. The reinforcing net 3 is made of the same material.

[0028] Please refer to Figure 1 , Figure 2 ,Figure 3 、 Figure 4 and Figure 5 The front of the engine cover 1 is provided with an assembly plate 12, the inner side of the assembly plate 12 is provided with a connecting screw 14, the assembly plate 12 is installed on the front of the engine cover 1 through the connecting screw 14, the front of the assembly plate 12 is provided with a mounting seat 13, one side of the mounting seat 13 is provided with a threaded seat 15, the inner side of the mounting seat 13 and the threaded seat 15 is provided with a connecting shaft 16 through screwing, the outer side of the connecting shaft 16 is provided with a bearing seat 17, one end of the bearing seat 17 is provided with a connecting plate 18, the inner side of the connecting plate 18 is provided with two groups of fastening screws 19, and the two groups of fastening screws 19 are located on both sides of the connecting plate 18.

[0029] The front of the engine cover 1 is precisely installed through screwing with the connecting screw 14, the connecting screw 14 limits the outer side of the assembly plate 12, which is convenient for the user to precisely install the assembly plate 12, the assembly plate 12 fixes the mounting seat 13, which ensures the stability of the mounting seat 13, the mounting seat 13 fixes the threaded seat 15, the threaded seat 15 penetrates the inner side of the connecting shaft 16, which is convenient for the user to precisely install the connecting shaft 16, the connecting shaft 16 limits the outer side of the bearing seat 17, which is convenient for the user to disassemble and install the connecting shaft 16, the bearing seat 17 rotates on the outer side of the bearing seat 17, which is convenient for adjusting the angle of the bearing seat 17, the bearing seat 17 is fixedly connected with the connecting plate 18, and the connecting plate 18 is installed on the vehicle head through the fastening screw 19.

[0030] The working principle is that the front surface of the engine cover 1 is accurately installed through threads with the connecting screw 14, the connecting screw 14 limits the outer side assembly plate 12, the user can accurately install the assembly plate 12, the assembly plate 12 fixes the mounting seat 13, the stability of the mounting seat 13 is guaranteed, the mounting seat 13 fixes the threaded seat 15, the threaded seat 15 penetrates the inner side of the connecting shaft 16, the user can accurately install the connecting shaft 16, the connecting shaft 16 limits the outer side bearing seat 17, the bearing seat 17 rotates on the outer side of the bearing seat 17, the angle of the bearing seat 17 is adjusted, the bearing seat 17 is fixedly connected with the connecting plate 18, the connecting plate 18 is installed on the vehicle head through the fastening screw 19, the front surface of the engine cover 1 is installed with the sealing frame 2, the stability of the sealing frame 2 is guaranteed, the inner side of the sealing frame 2 fixes the reinforced net 3, the reinforced net 3 is installed on the inner side of the engine cover 1, the reinforced net 3 is composed of polydicyclopentadiene material, the strength of the engine cover 1 is improved through the polydicyclopentadiene material, the deformation of the engine cover 1 is prevented, the inner side of the support column 4 is fixed with the positioning screw 9 through the connecting screw hole 5, the positioning screw 9 is connected and positioned, the user can accurately install the positioning screw 9, the outer side assembly shell 7 is limited by the support column 4, the user can accurately install the assembly shell 7, the outer side polydicyclopentadiene lining 11 is fixed with the assembly shell 7, the polydicyclopentadiene lining 11 is installed on the inner side of the engine cover 1, the polydicyclopentadiene lining 11 is made of polydicyclopentadiene material, the low-density characteristics of the polydicyclopentadiene material can significantly reduce the weight of the vehicle body, so as to realize the light weight of the automobile, and then improve the endurance and energy utilization efficiency of the new energy automobile, the engine cover model structure design is optimized through the analysis result, and the excellent impact resistance of the polydicyclopentadiene material can effectively protect the safety of the driver and the passenger in the collision.

[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. Therefore, the foregoing embodiments should be considered in all respects as illustrative and not restrictive, and the scope of the present application should be defined by the appended claims rather than by the foregoing description, and all changes coming within the meaning and equivalency range of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

Claims

1. A PDCPD material based automotive hood structure characterized in that, Include: The front of the engine cover (1) is provided with a sealing frame (2), the front of the sealing frame (2) is provided with a reinforcing net (3), the reinforcing net (3) is installed on the inner side of the engine cover (1), the front of the engine cover (1) is provided with a support column (4), the inner side of the support column (4) is provided with a connecting screw hole (5), the support column (4) is provided with a reinforcing plate (6), the outer side of the support column (4) is movably provided with an assembly shell (7), and the outer side of the assembly shell (7) is provided with a polydicyclopentadiene lining (11).

2. The PDCPD material based automotive hood structure as claimed in claim 1, wherein: The inner side of the connecting screw hole (5) is connected with a positioning screw (9) through threads, the outer side of the positioning screw (9) is provided with an anti-skid pad (10).

3. The PDCPD material based automotive hood structure of claim 2, wherein: The front of the assembly shell (7) is provided with a through hole (8), the positioning screw (9) passes through the inner side of the through hole (8), and the anti-skid pad (10) abuts against the front of the assembly shell (7).

4. The PDCPD material based automotive hood structure of claim 1, wherein: The front of the engine cover (1) is provided with an assembly plate (12), the inner side of the assembly plate (12) is provided with a connecting screw (14), and the assembly plate (12) is installed on the front of the engine cover (1) through the connecting screw (14).

5. The PDCPD material based automotive hood structure of claim 4, characterized in that: One side of the mounting seat (13) is provided with a threaded seat (15), and the inner sides of the mounting seat (13) and the threaded seat (15) are provided with a connecting shaft (16) through threads.

6. The PDCPD material based automotive hood structure of claim 5, wherein: The outer side of the connecting shaft (16) is provided with a bearing seat (17), one end of the bearing seat (17) is provided with a connecting plate (18).

7. The PDCPD material based automotive hood structure of claim 6, characterized by: The inner side of the connecting plate (18) is provided with two groups of fastening screws (19) penetratingly, and the two groups of fastening screws (19) are located on both sides of the connecting plate (18).

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