Vehicle body side structure and vehicle

Through the integrated molded carbon fiber composite body side structure, the problem of increasing weight of A and B columns and sill beams in the prior art is solved, and the structural strength and assembly efficiency are improved, while reducing production costs and fuel consumption.

CN222157602UActive Publication Date: 2024-12-13GREAT WALL MOTOR CO LTD
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Patent Information

Application Number
CN202420513039.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-15
Publication Date
2024-12-13
Estimated Expiration
2034-03-15

AI Technical Summary

Technical Problem

The existing A and B columns and sill beam structures increase weight while increasing strength, increasing the weight of the vehicle, resulting in increased fuel consumption or reduced battery life. At the same time, a large number of molds and welding equipment are required during the manufacturing process, resulting in high production costs and Inefficient assembly.

Method used

Using an integrated body side structure, made of carbon fiber composite material, the internal hollow space is set with a closed cavity, including the sill beam, A column and B column parts, and reinforcement parts are installed in the structure body to increase strength and reduce the number of parts and mold requirements.

Benefits of technology

On the premise of ensuring structural strength, the number of parts and production costs are reduced, the weight of the vehicle is reduced, the assembly efficiency of the whole vehicle is improved, and the energy absorption capacity and ride comfort of the structure are enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a vehicle body side portion structure and a vehicle, the vehicle body side portion structure comprises an integrally formed structure body, the interior of the structure body is hollow, a closed cavity is formed, and the structure body is provided with a doorsill beam part, an A column part and a B column part. The doorsill beam part extends in the front-back direction of the whole vehicle, the A column part is arranged at the front end of the doorsill beam part and extends upwards in the up-down direction of the whole vehicle, and the B column part is arranged at the rear end of the doorsill beam part and extends upwards in the up-down direction of the whole vehicle. According to the vehicle body side structure, the doorsill beam part, the A column part and the B column part are integrally formed on the structure body, the number of parts can be effectively reduced, the requirements for molds, welding equipment and the like are lowered, the whole vehicle assembling efficiency can be improved, and the production cost can be reduced; meanwhile, the closed cavity is formed in the structure body, and the structure body can have good structural strength by means of the characteristics of the cavity.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a vehicle body side structure. Meanwhile, the utility model also relates to a vehicle provided with the vehicle body side structure. Background Art

[0002] The A, B pillars and door sill beams are important force transmission components of the vehicle body side structure. They must not only meet the structural strength requirements to reduce the intrusion of collisions into the passenger compartment, but also be able to deform appropriately to absorb a certain amount of collision energy and reduce damage to the collider. The existing structures of the A, B pillars and door sill beams are usually welded together with multiple steel plates. At the same time, in order to improve the effects of small offset collisions and side collisions, various reinforcement plates need to be added. Although the above solution can increase the strength of the A, B pillars and door sill beams, it will greatly increase the weight of the A, B pillars and door sill beams, and thus increase the weight of the entire vehicle, which does not meet the lightweight requirements of the entire vehicle, resulting in increased fuel consumption of the entire vehicle or reduced battery life.

[0003] Moreover, during manufacturing, many parts need to be assembled, and each part requires multiple sets of molds to be processed. In addition, welding equipment, tooling, and fixtures are also required to ensure the smooth progress of welding work. As a result, a large number of molds, welding equipment, and tooling fixtures are required during the manufacturing of the body side structure. The huge mold and equipment costs will greatly reduce the vehicle assembly efficiency and increase production costs. Utility Model Content

[0004] In view of this, the utility model aims to provide a vehicle body side structure, which can effectively reduce the number of parts and components and reduce production costs while ensuring structural strength.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] A vehicle body side structure comprises an integrally formed structural body, wherein the interior of the structural body is hollow to form a closed cavity, and the structural body comprises a sill beam portion, an A-pillar portion and a B-pillar portion;

[0007] The sill beam portion extends along the front-rear direction of the vehicle, the A-pillar portion is arranged at the front end of the sill beam portion and extends upward along the up-down direction of the vehicle, and the B-pillar portion is arranged at the rear end of the sill beam portion and extends upward along the up-down direction of the vehicle.

[0008] Furthermore, a reinforcement portion is provided on the structural body;

[0009] The reinforcing part is arranged in the cavity and divides the cavity into a plurality of sub-cavities.

[0010] Furthermore, the reinforcement portion includes a plurality of reinforcement plates arranged at intervals, and a foamed support layer sandwiched between two adjacent reinforcement plates.

[0011] Furthermore, a mounting portion is provided at the top end of the A-pillar portion, and the mounting portion is used to mount the instrument panel tube beam.

[0012] Furthermore, the mounting portion includes a mounting groove provided on the A-pillar portion, and a nut provided in the mounting groove.

[0013] Furthermore, a connecting block is provided at the rear end of the sill beam portion and / or the top end of the B-pillar portion, and the connecting block is connected to the rear cabin longitudinal beam.

[0014] Furthermore, a groove is provided on the sill beam portion and / or the B-pillar portion;

[0015] The connecting block is arranged in the groove, and a threaded sleeve is embedded on the connecting block.

[0016] Furthermore, the B-pillar part has a protrusion protruding toward the outside of the vehicle, and the protrusion is provided with a mounting groove connected to the cavity;

[0017] A door lock is installed in the installation groove, and a through hole is provided on the side of the B-pillar portion close to the interior of the vehicle, and the through hole is used for the door lock to enter the cavity.

[0018] Furthermore, the structural body is made of carbon fiber composite material.

[0019] Compared with the prior art, the utility model has the following advantages:

[0020] The vehicle body side structure described in the utility model, by integrally forming a door sill beam part, an A-pillar part and a B-pillar part on a structural body, can effectively reduce the number of parts and components, reduce the demand for molds, welding equipment, etc., and can improve the assembly efficiency of the whole vehicle and reduce production costs, compared with the current structure in which the three are separately arranged and welded together using multiple steel plates; at the same time, the closed cavity formed in the structural body can utilize the characteristics of the cavity to make the structural body have better structural strength.

[0021] In addition, by providing a reinforcement part on the structural body, the structural strength of the structural body can be further increased. The reinforcement part includes a plurality of reinforcement plates arranged at intervals, and a support layer sandwiched between two adjacent reinforcement plates. This structure enables the structural body to deform appropriately to absorb a certain amount of collision energy when it is hit from the side, thereby reducing the damage to passengers and pedestrians; at the same time, the foamed support layer can also play a sound insulation effect, improving the riding comfort of passengers. By providing a mounting part at the top of the A-pillar part, it is convenient to install the instrument panel pipe beam.

[0022] Secondly, the mounting portion includes a mounting groove and a nut arranged in the mounting groove, and has a simple structure, which is convenient for installing the instrument panel tube beam. By providing a connecting block at the rear end of the door sill beam part and / or the top end of the B-pillar part, it is convenient to connect with the rear cabin longitudinal beam and improve the connection strength between the two. The connecting block is arranged in the groove, which is convenient for setting the connecting block on the structural body, and the threaded sleeve is embedded in the connecting block, which is convenient for connecting the connecting block to the rear cabin longitudinal beam.

[0023] In addition, by providing a protrusion on the B-pillar part, it is convenient to form a mounting groove for installing the door lock, and the provision of a through hole makes it easier for the door lock to enter the cavity. The structural body is made of carbon fiber composite material, which can effectively reduce the weight of the structural body, thereby reducing the fuel consumption of the vehicle or increasing the vehicle's cruising range.

[0024] Another object of the present invention is to provide a vehicle, wherein the vehicle is provided with the vehicle body side structure as described above.

[0025] The vehicle described in the utility model has all the beneficial effects of the above-mentioned vehicle body side structure, which will not be described in detail here. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0027] Figure 1 It is a structural schematic diagram of the vehicle body side structure according to an embodiment of the utility model at a first viewing angle;

[0028] Figure 2 It is a structural schematic diagram of the vehicle body side structure according to an embodiment of the utility model at a second viewing angle;

[0029] Figure 3 It is a structural schematic diagram of the vehicle body side structure according to an embodiment of the utility model at a third viewing angle;

[0030] Figure 4 for Figure 3 A magnified view of part A;

[0031] Figure 5 It is a structural schematic diagram of the vehicle body side structure according to an embodiment of the utility model at a first viewing angle;

[0032] Figure 6 It is a structural schematic diagram of the vehicle body side structure according to an embodiment of the utility model at a first viewing angle;

[0033] Figure 7 for Figure 6Sectional view along the midline BB;

[0034] Figure 8 It is a structural schematic diagram of the structural body described in the embodiment of the utility model;

[0035] Fig. 9 This is a structural schematic diagram of the first connecting block according to an embodiment of the utility model;

[0036] Fig.10 This is a schematic structural diagram of the second connecting block described in an embodiment of the utility model.

[0037] Description of reference numerals:

[0038] 1. Structural body;

[0039] 101. Door sill beam part; 102. A-pillar part; 103. B-pillar part; 104. First connecting block; 105. Second connecting block; 106. Nut; 107. Screw sleeve; 108. Reinforcement plate; 109. Support layer;

[0040] 1021, mounting groove; 1022, positioning hole;

[0041] 1031, protrusion; 1032, through hole; 1033, fixing hole; 1034, opening; 1035, groove;

[0042] 1041. Main body; 1042. Connecting plate. DETAILED DESCRIPTION

[0043] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0044] In the description of the present utility model, it should be noted that the directional words such as "up, down, left, right, front, and back" used in the present embodiment are defined based on the up-down direction, left-right direction, and front-back direction of the automobile. Among them, the up-down direction of the automobile is also the height direction of the automobile (Z direction), the front-back direction of the automobile is also the length direction of the automobile (X direction), and the left-right direction of the automobile is also the width direction of the automobile (Y direction). In addition, the terms "first" and "second" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0045] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installation", "connection", "connection", and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0046] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0047] The present embodiment relates to a vehicle body side structure, including an integrally formed structural body 1, wherein the interior of the structural body 1 is hollow to form a closed cavity, and the structural body 1 has a rocker beam portion 101, an A-pillar portion 102, and a B-pillar portion 103. The rocker beam portion 101 extends along the front-rear direction of the vehicle, the A-pillar portion 102 is disposed at the front end of the rocker beam portion 101 and extends upward along the up-down direction of the vehicle, and the B-pillar portion 103 is disposed at the rear end of the rocker beam portion 101 and extends upward along the up-down direction of the vehicle.

[0048] The vehicle body side structure of this embodiment, by integrally forming the sill beam part 101, the A-pillar part 102 and the B-pillar part 103 on the structural body 1, can effectively reduce the number of parts and components, reduce the demand for molds, welding equipment, etc., and improve the assembly efficiency of the whole vehicle and reduce production costs, compared with the existing structure in which the three parts are separately arranged and welded together using multiple steel plates. At the same time, the closed cavity formed in the structural body 1 can benefit from the characteristics of the cavity so that the structural body 1 has better structural strength.

[0049] Based on the above overall design, an exemplary structure of the vehicle body side structure of this embodiment is referred to as follows: Figures 1 to 7 As shown in , as described above, the A-pillar portion 102 extends upward along the vertical direction of the vehicle. The B-pillar portion 103 also extends upward along the vertical direction of the vehicle as a whole. More specifically, the B-pillar portion 103 also has a tendency to extend backward from bottom to top, and an extension section extending backward is formed at the top end of the B-pillar portion 103.

[0050] In addition, in order to further improve the use effect, as a preferred embodiment, the structural body 1 is made of carbon fiber composite material. Because the density of carbon fiber composite material is lower than that of steel plate, the structural body 1 is made of carbon fiber composite material, which can greatly reduce the weight of the structural body 1, reduce the fuel consumption of the vehicle or increase the vehicle's cruising range. At the same time, the closed cavity formed in the structural body 1 can meet the strength requirements. It should be noted here that the closed cavity means that all sides of the cavity are blocked, but process holes or avoidance holes are allowed to be designed on the structural body 1. In addition, during the specific implementation, different parts of the structural body 1 can be set to different thicknesses according to the different performance requirements of different parts of the vehicle body to improve the strength of the structural body 1 where the force is concentrated.

[0051] As a further embodiment, a reinforcement part is provided on the structural body 1, and the reinforcement part is provided in the cavity and divides the cavity into a plurality of sub-cavities. In this embodiment, by providing the reinforcement part on the structural body 1, the structural strength of the structural body 1 can be further increased, and the reinforcement part is preferably connected between the left and right side walls of the cavity so as to provide a better support for the threshold beam part 101. In particular, as a specific embodiment, the reinforcement part includes a plurality of reinforcement plates 108 arranged at intervals, and a foamed support layer 109 sandwiched between two adjacent reinforcement plates 108.

[0052] The reinforcement part adopts this structure, which can play a role similar to that of an I-beam, so that the structural body 1 can deform appropriately to absorb a certain amount of collision energy when it is hit from the side, thereby reducing the damage to passengers and pedestrians; at the same time, the support layer 109 can also play a sound insulation effect, improving the riding comfort of passengers. In the specific implementation, the support layer 109 is preferably made of an existing closed-cell rigid foam material commonly used to form a foam sandwich structure.

[0053] And as Figure 7 As shown in FIG. 1 , the reinforcement parts of this embodiment are four arranged at intervals, and three of the reinforcement parts are arranged on the rocker beam part 101, and the other reinforcement part is arranged on the B-pillar part 103. Figure 7 As shown in the state, from left to right, that is, along the direction from front to back of the vehicle, the third reinforcement part corresponds to the column impact test position, and the arrangement of this reinforcement part can make the body side structure better meet the column impact test requirements. The remaining two reinforcement parts located on the sill beam part 101 and the reinforcement part located on the B-pillar part 103 can make the reinforcement part of the body side structure more concentrated and uniform, so that the force transmission and force are better during the collision.

[0054] In addition, each reinforcement part includes two reinforcement plates 108 arranged at intervals, and a support layer 109 is sandwiched between the two reinforcement plates 108. Moreover, in order to further facilitate the lightweight setting of the whole vehicle, each reinforcement plate 108 is made of carbon fiber composite material. At the same time, in order to further improve the reinforcing effect of the reinforcement part on the structural body 1, the contour of the reinforcement plate 108 follows the cross-sectional shape of the cavity at the position, and is connected to the side wall of the cavity to increase the connection area between the reinforcement plate 108 and the structural body 1. Among them, the thickness of the support layer 109 is greater than the thickness of the single carbon fiber layer, which can play a role in reducing sound and noise at a relatively low cost, and can ensure the torsional stiffness of the body side structure and the bending performance of the sill beam part 101. It should be noted here that, in addition to including two reinforcement plates 108, each reinforcement part can also include three, four or other number of reinforcement plates 108 arranged at intervals. Moreover, in addition to arranging the support layer 109 between any two adjacent reinforcement plates 108, the support layer 109 can also be arranged only between some adjacent reinforcement plates 108. In addition, the structures of the reinforcing parts may be different in addition to being the same, for example, the number of reinforcing plates 108 or the number of supporting layers 109 may be different.

[0055] In addition, a mounting portion is provided at the top of the A-pillar portion 102, and the mounting portion is used to mount the instrument panel tube beam. Figure 8 As shown in , the mounting portion includes a mounting groove 1021 provided on the A-pillar portion 102, and a nut 106 provided in the mounting groove 1021. In addition, the nut 106 is specifically two nuts 106 arranged at intervals in the upper and lower parts, and specifically can be a rivet nut. In addition, in order to improve the installation effect of the instrument panel tube beam, a positioning hole 1022 is further provided between the two nuts 106 to position the instrument panel tube beam.

[0056] In order to facilitate the connection between the structural body 1 and the rear cabin assembly, a connecting block is provided at the rear end of the sill beam portion 101 and / or the top end of the B-pillar portion 103, and the connecting block is connected to the rear cabin longitudinal beam. Figure 3 and Figure 7 As shown in , as a preferred embodiment, a connecting block is provided on the sill beam portion 101 and the B-pillar portion 103 to improve the connection strength between the sill beam portion 101 and the rear cabin longitudinal beam, and the block structure of the connecting block is also conducive to opening a connecting hole or embedding a fastener thereon. Here, the connecting block on the sill beam portion 101 is referred to as a "first connecting block 104", and the connecting block on the B-pillar portion 103 is referred to as a "second connecting block 105". As a further embodiment, in order to improve the connection strength between each connecting block and the structural body 1, combined Figure 7 and Figure 8As shown in the figure, the sill beam portion 101 and the B-pillar portion 103 are both provided with grooves 1035, the first connecting block 104 and the second connecting block 105 are respectively embedded in the corresponding grooves 1035, and screw sleeves 107 are respectively embedded in the first connecting block 104 and the second connecting block 105.

[0057] And, combined with Fig. 9 and Fig.10 As shown in FIG. 1 , the overall structures of the first connection block 104 and the second connection block 105 are the same, and the first connection block 104 is taken as an example for description. In this embodiment, in order to further improve the connection strength between the connection block and the structural body 1, as shown in FIG. Fig.10 As shown in FIG. 1 , the first connection block 104 includes a block-shaped main body 1041 and a connection plate 1042 disposed at one end of the main body 1041. Figure 8 As shown in , the groove 1035 includes a first portion adapted to the main body 1041 and a second portion adapted to the connecting plate 1042 .

[0058] In addition, if Figure 3 As shown in , as a specific embodiment, only one screw sleeve 107 is provided on the first connecting block 104, and two screw sleeves 107 are provided on the second connecting block 105, which are spaced apart from each other. Of course, during the specific implementation, the number of screw sleeves 107 on each connecting block can be adjusted accordingly. Moreover, in addition to setting the first connecting block 104 and the second connecting block 105 at the same time, only the first connecting block 104 or the second connecting block 105 can also be set. In this embodiment, in order to further facilitate lightweight design, each connecting block is preferably made of aluminum. Of course, it is also feasible to use steel. In addition, each connecting block and the structural body 1 can be integrally formed using existing processes, or the two can be bonded together.

[0059] Combination Figure 3 and Figure 5 As shown in the figure, the B-pillar part 103 has a protrusion 1031 protruding toward the outside of the vehicle, and the protrusion 1031 is provided with a mounting groove 1021 connected to the cavity. A door lock is installed in the mounting groove 1021, and a through hole 1032 is provided on the side of the B-pillar part 103 close to the inside of the vehicle, and the through hole 1032 is used for the door lock to enter the cavity. At the same time, a fixing hole 1033 and an opening 1034 connected to the mounting groove 1021 are provided on the protrusion 1031, and the fixing hole 1033 is used to fix the door lock, and the opening 1034 is used for the lock catch of the door lock to pass through.

[0060] The body side structure of this embodiment, by adopting the above structure, can effectively reduce its weight while having good structural strength, which is beneficial to reducing energy consumption or increasing cruising range. At the same time, in the manufacturing process, no welding equipment is required, which can reduce the required molds, greatly reducing the equipment investment cost of the factory and the equipment's demand for plant space. At the same time, it can also greatly reduce the investment in personnel, reduce labor production costs, and improve the assembly efficiency of the whole vehicle.

[0061] In addition, this embodiment also provides a vehicle, on which the above-mentioned vehicle body side structure is provided.

[0062] Furthermore, in specific implementation, the front part of the structural body 1 can be bonded to the front cabin longitudinal beam by gluing, and the front part and upper area of ​​the structural body 1 can be bonded to the top cover by gluing. At the same time, the inner side of the structural body 1 can be bonded to the front panel and the front floor by gluing, and the rear part of the structural body 1 can be connected to the rear longitudinal beam of the rear cabin by the first connecting block 104 and the second connecting block 105. Thus, the front cabin, the front panel, the door sill beam, the front floor, the top cover and the rear cabin can be effectively connected together by gluing and screwing to form a tightly integrated body structure.

[0063] In addition, the vehicle of this embodiment also has all the beneficial effects of the above-mentioned body side structure, which will not be repeated here.

[0064] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vehicle body side structure, characterized in that: The vehicle comprises an integrally formed structural body (1), wherein the interior of the structural body (1) is hollow to form a closed cavity, and the structural body (1) comprises a door sill beam portion (101), an A-pillar portion (102) and a B-pillar portion (103); The sill beam portion (101) extends along the front-rear direction of the vehicle, the A-pillar portion (102) is arranged at the front end of the sill beam portion (101) and extends upward along the up-down direction of the vehicle, and the B-pillar portion (103) is arranged at the rear end of the sill beam portion (101) and extends upward along the up-down direction of the vehicle.

2. The vehicle body side structure according to claim 1, characterized in that: The structural body (1) is provided with a reinforcement portion; The reinforcing part is arranged in the cavity and divides the cavity into a plurality of sub-cavities.

3. The vehicle body side structure according to claim 2, characterized in that: The reinforcement portion comprises a plurality of reinforcement plates (108) arranged at intervals, and a foamed support layer (109) sandwiched between two adjacent reinforcement plates (108).

4. The vehicle body side structure according to claim 1, characterized in that: A mounting portion is provided at the top end of the A-pillar portion (102), and the mounting portion is used to mount a dashboard pipe beam.

5. The vehicle body side structure according to claim 4, characterized in that: The mounting portion comprises a mounting groove (1021) provided on the A-pillar portion (102), and a nut (106) provided in the mounting groove (1021).

6. The vehicle body side structure according to claim 1, characterized in that: A connecting block is provided at the rear end of the sill beam part (101) and / or the top end of the B-pillar part (103), and the connecting block is connected to the rear cabin longitudinal beam.

7. The vehicle body side structure according to claim 6, characterized in that: The sill beam portion (101) and / or the B-pillar portion (103) are provided with a groove (1035); The connection block is arranged in the groove (1035), and a threaded sleeve (107) is embedded in the connection block.

8. The vehicle body side structure according to claim 1, characterized in that: The B-pillar part (103) has a protrusion (1031) protruding toward the outside of the vehicle, and the protrusion (1031) is provided with a mounting groove (1021) communicating with the cavity; A vehicle door lock is installed in the installation groove (1021), and a through hole (1032) is provided on a side of the B-pillar part (103) close to the interior of the vehicle, and the through hole (1032) is used for allowing the vehicle door lock to enter the cavity.

9. The vehicle body side structure according to any one of claims 1 to 8, characterized in that: The structural body (1) is made of carbon fiber composite material.

10. A vehicle, characterized in that: The vehicle is provided with the vehicle body side structure according to any one of claims 1 to 9.