Commercial vehicle aluminum die-casting light-weight instrument board cross beam assembly

Abstract

The utility model discloses a commercial vehicle aluminum die-casting light-weight instrument board beam assembly, and relates to the technical field of automobile manufacturing, the commercial vehicle aluminum die-casting light-weight instrument board beam assembly comprises a main beam, a first support is arranged at the top end of the main beam, and a supporting assembly is arranged at the end, close to the first support, of the main beam; the supporting assembly comprises a first cross beam, a second support integrally formed on one side of the first cross beam and a third support integrally formed at the end, away from the first cross beam, of the second support, and a second cross beam is integrally formed at the end, away from the main cross beam, of the third support. A first end support is arranged at the end, away from the third support, of the second cross beam, a second end support is arranged at the end, away from the second cross beam, of the main cross beam, and a mounting assembly is arranged between the main cross beam and the third support. The problem that the overall connection strength is reduced due to bolt loosening caused by road bumping when the steering column support and other supports are connected through bolts is solved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of automobile manufacturing, in particular to a commercial vehicle aluminum die-cast lightweight instrument panel beam assembly. BACKGROUND

[0002] The instrument panel beam assembly is a key supporting component in the internal structure of an automobile, is located in the instrument panel, and serves to connect the instrument panel and the vehicle body. It not only supports the instrument panel trim assembly and its accessories, but also provides fixing points for the passenger side airbag, the steering column, the air conditioner box, the wire harness and the like. The instrument panel beam assembly plays a reinforcing role on the cab during the vehicle frontal crash, and has an important role in increasing the body stiffness and improving the safety of the vehicle. With the continuous development of new energy technology, the market continuously increases the research and development investment of commercial vehicles in the new energy field, and puts forward higher requirements for the parts of new energy commercial vehicles. Therefore, the design and manufacturing of the instrument panel beam assembly not only meet the policy requirements of energy saving and emission reduction, but also effectively reduce the production cost.

[0003] The Chinese utility model patent with the publication number CN218907400U discloses a lightweight automobile instrument panel beam in the related art, which comprises a pipe beam, a steering column support is sleeved on the pipe beam in a plastic wrapping manner, the steering column support comprises a connecting ring wrapped on the outer wall of the pipe beam and a connecting table located at the outer end of the connecting ring, the connecting table comprises a mounting table extending downward below the pipe beam, the mounting table is provided with a steering column mounting hole, a steering column is mounted on the steering column support through the steering column mounting hole; a front wall mounting support is arranged at the end of the steering column support away from the pipe beam, IP frame mounting supports are arranged at the two ends of the pipe beam, and a co-driver glove box mounting support is arranged between the steering column support and the IP frame mounting supports; the steering column support, the front wall mounting support, the co-driver glove box mounting support and the IP frame mounting support are all provided with weight reduction grooves.

[0004] According to the related art in the above, the inventors believe that the following defects exist: the automobile instrument panel beam is composed of multiple supports, the steering column support and other supports are connected through bolts, and when subjected to factors such as road bumps and vibrations, the bolts will gradually loosen or deform, which reduces the connection strength between the supports and affects the overall stability of the instrument panel beam. UTILITY MODEL CONTENTS

[0005] In order to solve the problem that the steering column support and other supports are connected through bolts, and when subjected to factors such as road bumps and vibrations, the bolts will gradually loosen or deform, which reduces the connection strength between the supports and affects the overall stability of the instrument panel beam, the application provides a commercial vehicle aluminum die-cast lightweight instrument panel beam assembly.

[0006] The application provides a commercial vehicle aluminum die-casting lightweight instrument panel beam assembly adopting the following technical scheme:

[0007] A commercial vehicle aluminum die-casting lightweight instrument panel beam assembly, comprising a main beam, a first support being arranged at the top end of the main beam, a support assembly being arranged at one end of the main beam close to the first support, the support assembly comprising a first beam, a second support being integrally formed on one side of the first beam, a third support being integrally formed at one end of the second support away from the first beam, a second beam being integrally formed at one end of the third support away from the main beam, a first end portion support being arranged at one end of the second beam away from the third support, a second end portion support being arranged at one end of the main beam away from the second beam, and an installation assembly being arranged between the main beam and the third support.

[0008] By adopting the above technical scheme, the main beam and the third support are fixedly connected through the installation assembly, the first end portion support is connected with the left side wall panel of the automobile, the second end portion support is connected with the right side wall panel of the automobile, the main beam and the support assembly are integrally formed, which can form complex parts at one time, reduce subsequent machining processes and machining costs, reduce energy consumption in the production process, improve production efficiency, and can be more convenient and fast in the subsequent assembly process of the main beam and the third support, reduce assembly time and assembly error, enhance the connection strength between the main beam and other supports, improve the overall stability and reliability of the instrument panel beam, reduce loosening and damage caused by vibration and impact, and improve the safety of the vehicle.

[0009] Optionally, the installation assembly comprises a first installation block integrally formed at one end of the third support close to the main beam, a second installation block integrally formed at one end of the main beam close to the first installation block, recesses being arranged in the inner cavities of the first installation block and the second installation block, a plurality of first holes being arranged on the first installation block and the second installation block, and connecting pieces being arranged on the first holes.

[0010] By adopting the above technical scheme, the first installation block is fixed on the second installation block by installing the connecting pieces in the first holes, the third support is fixedly connected to the main beam, and the support assembly is fixedly connected to the main beam, the recesses can disperse the load and improve the connection strength and connection rigidity, and the connecting pieces help to stably install the first installation block on the second installation block.

[0011] Optionally, the connecting pieces comprise first bolts arranged in two of the first holes and cylindrical pins arranged in the other two first holes, and the first installation block is fixed on the second installation block through the first bolts and the cylindrical pins.

[0012] By adopting the technical scheme, the cylindrical pin is installed in the first hole first, positioning during assembly, then the first bolt is installed in the first hole, fixing the first mounting block on the second mounting block, the cylindrical pin can ensure the relative position of the first mounting block and the second mounting block during assembly, providing high positioning accuracy, the cylindrical pin can realize fast positioning, the first bolt can realize fast fastening, and the use of the two different connectors of the first bolt and the cylindrical pin reduces the adjustment and calibration time during assembly, realizes multi-point connection, ensures that the first mounting block and the second mounting block will not loosen when subjected to a large load, and can better bear various loads.

[0013] Optionally, the second end support is provided with a fourth support, one end of the fourth support is fixed on the second end support by a second bolt, and the other end of the fourth support is fixed with a square nut.

[0014] By adopting the technical scheme, the fourth support is fixed on the second end support by using the second bolt, the setting of the fourth support can prevent the second end support from being damaged by knocking when the vehicle shakes and bumps, the setting of the square nut can provide an additional fixing point, improve the connection reliability of the fourth support, and enhance the structural stability of the fourth support.

[0015] Optionally, the two ends of the main cross beam are provided with fifth supports, one of the fifth supports is fixed on the side of the main cross beam away from the second end support, the other fifth support is fixed on the side of the second cross beam away from the first end support, and the two fifth supports are fixed and connected by third bolts.

[0016] By adopting the technical scheme, the two fifth supports are fixed and installed by the third bolts during use, the setting of the third bolts provides strong fastening force, ensures that the connection between the fifth support and the main cross beam and between the fifth support and the second cross beam will not loosen when subjected to a large load, the setting of the fifth support plays a role in fixing the instrument panel cross beam assembly, enhances the stability and rigidity of the entire instrument panel cross beam assembly, and ensures the stability during vehicle driving.

[0017] Optionally, the main cross beam is made of aluminum die casting, and the fourth support and the fifth support are made of stamping steel plate.

[0018] By adopting the technical scheme, the aluminum die casting is arranged on one side to reduce the weight of the instrument panel beam assembly, help to reduce the overall weight of the vehicle, improve the fuel economy, and on the other hand, the aluminum die casting process can manufacture a part with high strength and rigidity to ensure the stability and reliability of the main beam under a large load, and the good corrosion resistance of the aluminum alloy can prolong the service life of the main beam, the stamping steel plate has high strength and rigidity support, which can effectively support the main beam and other components to ensure the stability of the structure, and the combination of aluminum die casting and stamping steel plate can reduce the production cost on the premise of optimizing the overall structure performance.

[0019] Optionally, a circular hole and a waist-shaped hole are arranged on the first support.

[0020] By adopting the technical scheme, the arrangement of the circular hole can provide a stable connection point to ensure the fixation and alignment between the first support and the main beam, the arrangement of the waist-shaped hole provides a larger adjustment range, allows fine tuning during assembly, reduces connection problems caused by manufacturing tolerances or assembly errors, improves the stability and reliability of the entire structure, and the combination of the circular hole and the waist-shaped hole can provide a larger adjustment range and design flexibility on the premise of ensuring connection strength and stability, optimize the performance of the entire structure, and improve the reliability and service life of the instrument panel beam assembly.

[0021] Optionally, a plurality of second holes are arranged on the main beam and the third support, and a tight screw is arranged in the second hole.

[0022] By adopting the technical scheme, the instrument panel beam assembly is fixedly connected with the vehicle body by using the fastening screw, and the tight screw can withstand high pressure during mechanical fastening, effectively preventing loosening of mechanical parts and ensuring the stability of the connection.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. The main beam is fixedly connected with the third support by the mounting assembly, and the first end support is connected with the left side sheet metal of the vehicle, and the second end support is connected with the right side sheet metal of the vehicle, and the main beam and the support assembly are integrally formed, which can form complex parts at one time, reduce subsequent machining processes and machining costs, reduce energy consumption in the production process, improve production efficiency, and make the subsequent assembly process of the main beam and the third support more convenient and fast, reduce assembly time and assembly error, and on the other hand, the connection strength between the main beam and other supports is enhanced, the overall stability and reliability of the instrument panel beam is improved, and the loosening and damage caused by vibration and impact are reduced, and the safety of the vehicle is improved.

[0025] 2. The first mounting block is fixed on the second mounting block by mounting the connecting piece in the first hole, the third support is fixedly connected on the main cross beam, and the fixed connection between the support assembly and the main cross beam is realized, the groove can disperse the load, the strength and rigidity of the connection are improved, and the connecting piece can help to stably mount the first mounting block on the second mounting block;

[0026] 3. The cylindrical pin is mounted in the first hole for positioning during assembly, and then the first bolt is mounted in the first hole to fix the first mounting block on the second mounting block, the cylindrical pin can ensure the relative position of the first mounting block and the second mounting block during assembly, and provide high positioning accuracy, the cylindrical pin can realize quick positioning, the first bolt can realize quick fastening, the use of the two different connecting pieces of the first bolt and the cylindrical pin reduces the adjustment and calibration time during assembly, realizes multi-point connection, ensures that the first mounting block and the second mounting block will not loosen under a large load, and can better bear various loads. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0028] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application.

[0029] Figure 2 It is a schematic diagram of the structure of the support assembly in the embodiment of the present application.

[0030] Figure 3 It is a schematic diagram of the structure of the first cross beam in the embodiment of the present application.

[0031] Figure 4 It is a schematic diagram of the structure of the first support in the embodiment of the present application.

[0032] Figure 5 It is a schematic diagram of the structure of the fourth support and the fifth support in the embodiment of the present application.

[0033] Label: 1, main beam; 2, first support; 3, support assembly; 4, first beam; 5, second support; 6, third support; 7, second beam; 8, first end support; 9, second end support; 10, mounting assembly; 11, first mounting block; 12, second mounting block; 13, groove; 14, first hole; 15, connecting piece; 16, first bolt; 17, cylindrical pin; 18, fourth support; 19, square nut; 20, fifth support; 21, third bolt; 22, round hole; 23, waist-shaped hole; 24, second hole; 25, setscrew. DETAILED DESCRIPTION

[0034] The following will be described in detail in combination with the accompanying drawings. Figures 1-5 The application is further described in detail.

[0035] The embodiment of the application discloses a kind of commercial vehicle aluminum die-casting light-weight instrument panel beam assembly.

[0036] Referring to Figure 1 And Figure 4 A kind of commercial vehicle aluminum die-casting light-weight instrument panel beam assembly includes main beam 1, to reduce weight, main beam 1 is made of aluminum die-casting process, also can ensure the stability and reliability of main beam 1 when bearing larger load.The top end of main beam 1 is provided with first support 2, first support 2 is squarely arranged, first support 2 is connected with the central control of vehicle, to ensure connection strength and stability, the present embodiment is provided with round hole 22 and waist-shaped hole 23 on first support 2, the setting of round hole 22 can provide stable connecting point, ensure the fixation and alignment between first support 2 and main beam 1, the setting of waist-shaped hole 23 reduces the connection problem caused by manufacturing tolerance or assembly error, allows fine tuning during assembly process, improves the stability and reliability of entire structure.

[0037] Referring to Figure 1 And Figure 2 The end of main beam 1 close to first support 2 is provided with support assembly 3, support assembly 3 is also made of aluminum die-casting process, reduces the weight of whole vehicle, improves fuel economy, support assembly 3 includes first beam 4, second support 5, third support 6, first beam 4 is connected with the front end of automobile Enclosure sheet metal, second support 5 is fixed on one side of first beam 4, third support 6 is fixed on the end of second support 5 away from first beam 4, and one end of third support 6 is fixedly connected with main beam 1, to reduce subsequent machining process and processing cost, reduce energy consumption in production process, second support 5, third support 6 and first beam 4 are all integrally formed, also can enhance the connection strength between main beam 1 and support assembly 3, improve the overall stability and reliability of instrument panel beam, reduce looseness and damage caused by vibration and impact, improve the safety of vehicle.

[0038] Referring to Figure 1And Figure 5 , the second cross beam 7 is provided with a first end bracket 8 at one end away from the third bracket 6, the main cross beam 1 is provided with a second end bracket 9 at one end away from the second cross beam 7, the first end bracket 8 is connected with the left side wall panel of the vehicle, and the second end bracket 9 is connected with the right side wall panel of the vehicle. In order to prevent the second end bracket 9 from being damaged by knocking when the vehicle shakes, a fourth bracket 18 is arranged on the second end bracket 9 in the embodiment, the fourth bracket 18 is made of a stamped steel plate and has high strength and rigid support, can effectively support the main cross beam 1 and ensure the stability of the structure, one end of the fourth bracket 18 is fixed on the second end bracket 9 through two second bolts, and the other end of the fourth bracket 18 is welded with a square nut 19, providing an additional fixing point, improving the connection reliability of the fourth bracket 18, and also enhancing the structural stability of the fourth bracket 18.

[0039] Referring to Figure 1 , since the instrument panel cross beam assembly is a non-closed structure, the force is mainly transmitted horizontally along the main cross beam 1 to the left and right sides, and the stress integration phenomenon is obvious at the connection between the brackets, therefore, the mounting assembly 10 is arranged between the main cross beam 1 and the third bracket 6 in the embodiment, which can greatly improve the connection strength of the two ends of the main cross beam 1. The mounting assembly 10 includes a first mounting block 11 and a second mounting block 12, the first mounting block 11 is integrally formed at one end of the third bracket 6 close to the main cross beam 1, and the second mounting block 12 is integrally formed at one end of the main cross beam 1 close to the first mounting block 11, in order to disperse the load and improve the connection strength and connection stiffness, referring to Figure 2 and Figure 3 , grooves 13 are arranged in the inner cavities of the first mounting block 11 and the second mounting block 12, four first holes 14 are arranged on the first mounting block 11 and the second mounting block 12, the left and right two first holes 14 are counterbores, and the upper and lower two first holes 14 are bolt holes, a connecting piece 15 is arranged on the first hole 14, the connecting piece 15 includes a first bolt 16 and a cylindrical pin 17, the cylindrical pin 17 is first fixed in the counterbore, ensuring the relative position accuracy of the first mounting block 11 and the second mounting block 12 during assembly, providing high positioning accuracy, then the first bolt 16 is installed in the bolt hole, realizing quick fastening and fixing the first mounting block 11 on the second mounting block 12.

[0040] Referring to Figure 1 and Figure 5The fifth support 20 is arranged to fix the instrument panel cross beam assembly and enhance the stability and rigidity of the entire instrument panel cross beam assembly. One of the fifth supports 20 is fixed to the side of the main cross beam 1 away from the second end support 9, and the other fifth support 20 is fixed to the side of the second cross beam 7 away from the first end support 8. Both fifth supports 20 are fixed and connected by third bolts 21. The third bolts 21 are provided with four bolts to provide strong fastening force and ensure that the connection between the fifth support 20 and the main cross beam 1 and the connection between the fifth support 20 and the second cross beam 7 will not loosen under a large load.

[0041] Referring to Figure 1 The main cross beam 1 and the third support 6 are provided with five second holes 24. The second holes 24 are provided with a set screw 25. The set screw 25 is an internal hexagonal flat end set screw 25 that can withstand high pressure during mechanical fastening. The instrument panel cross beam assembly is fixed to the vehicle body by a fastening screw to ensure the stability of the connection. In this embodiment, the main cross beam 1, the support assembly 3, the first support 2, and the like on the instrument panel cross beam assembly are subjected to working condition analysis in combination with topological optimization analysis. Part of the redundant material is removed to obtain the overall structure of the embodiment under the premise of meeting the working condition strength and process.

[0042] The implementation principle of the aluminum die-cast lightweight instrument panel cross beam assembly of the commercial vehicle is as follows: during installation, the cylindrical pin 17 is first installed in the first hole 14 for assembly positioning, and then the first bolt 16 is installed in the first hole 14 to fix the first mounting block 11 to the second mounting block 12, so that the support assembly 3 is fixed to the main cross beam 1. Then, the fourth support 18 and the two fifth supports 20 are fixed and installed to protect the main cross beam 1 from being damaged by knocking when the vehicle shakes. The fourth support 18 and the fifth support 20 on the instrument panel cross beam assembly are made of stamped steel plates, and the other components are made of aluminum die-casting to reduce the weight of the vehicle body and increase the connection strength. In combination with topological optimization analysis and working condition analysis, part of the redundant material is removed to reduce the weight while meeting the working condition strength.

[0043] Unless otherwise defined, technical terms or scientific terms used in the present application shall have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. Unless otherwise defined, the terms "first", "second" or "third" and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a sequential or chronological order. The terms "one", "another", "an" or "some" as well as similar referents in the context of describing the specification and claims are to be construed to be open-ended, i.e., to cover both singular and plural referents unless otherwise indicated. The terms "including", "containing" or "comprising" and the like are not intended to exclude other integers or steps, but to "include" or "comprise" other integers or steps unless otherwise indicated. The terms "connected", "coupled" or "pathway" and the like are not limited to direct connections, couplings or pathways, but can also include indirect connections, couplings or pathways unless otherwise indicated.

[0044] The above are only preferred embodiments of the present application, not intended to limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A commercial vehicle aluminum die cast lightweight instrument panel cross-car beam assembly, characterized by: The utility model provides a kind of support assembly, including main crossbeam (1), the top end of the main crossbeam (1) is provided with first support (2), the main crossbeam (1) is provided with support assembly (3) near one end of first support (2), the support assembly (3) includes first crossbeam (4), second support (5) integrally formed in one side of the first crossbeam (4), third support (6) integrally formed in one end of second support (5) away from the first crossbeam (4), the third support (6) is integrally formed with second crossbeam (7) in one end away from the main crossbeam (1), the second crossbeam (7) is provided with first end support (8) in one end away from the third support (6), the main crossbeam (1) is provided with second end support (9) in one end away from the second crossbeam (7), and the main crossbeam (1) is provided with mounting assembly (10) between the third support (6).

2. The aluminum die cast light weight instrument panel cross-car beam assembly of claim 1, wherein: The mounting assembly (10) includes first mounting block (11) integrally formed in one end of the third support (6) near the main crossbeam (1), second mounting block (12) integrally formed in one end of the main crossbeam (1) near the first mounting block (11), recess (13) is formed in the inner cavity of the first mounting block (11) and the second mounting block (12), a plurality of first holes (14) are formed in the first mounting block (11) and the second mounting block (12), and connecting piece (15) is arranged on the first hole (14).

3. The commercial vehicle aluminum die cast light weight instrument panel cross-car beam assembly of claim 2, wherein: The connecting piece (15) includes first bolt (16) arranged in two first holes (14), cylindrical pin (17) arranged in other two first holes (14), and the first mounting block (11) is fixed on the second mounting block (12) by the first bolt (16) and the cylindrical pin (17).

4. The commercial vehicle aluminum die cast light weight instrument panel cross-car beam assembly of claim 1, wherein: The second end support (9) is provided with fourth support (18), one end of the fourth support (18) is fixed on the second end support (9) by second bolt, and the other end of the fourth support (18) is fixed with square nut (19).

5. The commercial vehicle aluminum die cast light weight instrument panel cross-car beam assembly of claim 4, wherein: Both ends of the main crossbeam (1) are provided with fifth support (20), one of the fifth support (20) is fixed on the side of the main crossbeam (1) away from the second end support (9), the other fifth support (20) is fixed on the side of the second crossbeam (7) away from the first end support (8), and the two fifth supports (20) are fixedly connected by third bolt (21).

6. The commercial vehicle aluminum die cast light weight instrument panel cross-car beam assembly of claim 5, wherein: The main crossbeam (1) is made of aluminum die casting, and the fourth support (18) and the fifth support (20) are made of stamping steel plate.

7. The commercial vehicle aluminum die cast light weight instrument panel cross-car beam assembly of claim 1, wherein: The first support (2) is provided with circular hole (22) and waist-shaped hole (23).

8. The commercial vehicle aluminum die cast light weight instrument panel cross-car beam assembly of claim 1, wherein: The main crossbeam (1) and the third support (6) are provided with a plurality of second holes (24), and the second hole (24) is provided with a plurality of second holes (24).

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