Universal design method for injection molding instrument desk tubular beams with different widths

Abstract

The invention provides a universal design method for injection molding instrument desk tubular beams with different widths. The universal design method for the injection molding instrument desk tubular beams with the different widths comprises the following steps that S1, main driving sides of various under-research vehicle types with different cab widths are arranged in a unified mode; s2, an instrument desk main pipe beam 1 suitable for the main driving sides of various under-research vehicle types is designed; s3, the arrangement mode of the co-driver side of each under-research vehicle type is designed according to the configuration requirement of each under-research vehicle type; s4, designing an instrument desk auxiliary tubular beam 2 of each under-research vehicle type based on the arrangement mode of the co-driver side of each under-research vehicle type; and S5, the instrument desk main pipe beam 1 and the instrument desk auxiliary pipe beam 2 are connected, and the instrument desk pipe beam of each under-research vehicle type is formed. The instrument desk tubular beam designed through the universal design method for the injection molding instrument desk tubular beams with the different widths has the advantages of being high in universality, low in cost and the like.

Description

Technical Field

[0001] The invention relates to the technical field of instrument panels, and in particular to a universal design method for injection-molded instrument panel pipe beams with different widths. Background Art

[0002] The instrument panel beam is an important structural component in the car interior, mainly used to support and fix the instrument panel, center console and related electronic equipment and control systems. It not only plays a role in structural support, but also plays an important role in the safety and comfort of the vehicle. In the relevant technology, each body of different widths needs to be designed and manufactured separately for the dedicated instrument panel beam. Each model needs to design a separate mold and a separate production process, which not only increases the initial development cost, but also increases the subsequent production cost. Summary of the invention

[0003] The present invention provides a universal design method for injection-molded instrument panel pipe beams of different widths, which is used to solve the defect of high manufacturing cost of the instrument panel in the prior art and realize low-cost manufacturing of the instrument panel.

[0004] An embodiment of the present invention provides a universal design method for injection-molded instrument panel pipe beams of different widths, comprising: Step S1, uniformly arranging the main driver's side of various vehicle models under development with different cab widths; Step S2, designing a main instrument panel beam on the main driver's side suitable for a variety of vehicle models under development; Step S3, designing the layout of the passenger side of each of the vehicle models under development according to the configuration requirements of each of the vehicle models under development; Step S4, designing the instrument panel secondary pipe beam of each of the vehicle models under development based on the layout of the passenger side of each of the vehicle models under development; Step S5: Connect the instrument panel main beam and the instrument panel auxiliary beam to form the instrument panel beam of each vehicle model under development.

[0005] In some embodiments, step S1 includes: Collecting cab configuration information of various types of vehicles under development; Select the environmental parts installed on the main driver's side and arrange them in a unified manner.

[0006] In some embodiments, step S2 includes: Design the dimensions of the instrument panel main beam; Determine the structure of the main beam of the instrument panel on the main driver's side; Plan the hard point layout of the main beam of the instrument panel on the main driver's side.

[0007] In some embodiments, determining the structure of the main beam of the instrument panel on the main driving side includes: Design the installation structure of the environmental parts installed on the main driver's side; A unified male joint is arranged at one end of the instrument panel main beam so as to be connected with the instrument panel auxiliary beam.

[0008] In some embodiments, step S3 includes: Determining the environmental component installed on the passenger side according to the configuration information of each of the vehicle models under development; Determine the layout of the environmental components installed on the passenger side.

[0009] In some embodiments, step S4 includes: Design the dimensions of the instrument panel auxiliary pipe beam; Design the structure of the instrument panel auxiliary pipe beam; Design the hard point arrangement of the instrument panel auxiliary pipe beam.

[0010] In some embodiments, the structure of designing the instrument panel auxiliary pipe beam includes: Design the installation structure of the environmental parts installed on the passenger side; A female joint that can match the male joint is designed on the instrument panel auxiliary pipe beam.

[0011] In some embodiments, the male connector is provided with a plurality of first through holes, the female connector is provided with a plurality of second through holes, the male connector is sleeved on the female connector, and the plurality of first through holes correspond one-to-one to the plurality of second through holes, and each of the first through holes is connected to each of the second through holes by a rivet.

[0012] In some embodiments, the universal design method for injection-molded instrument panel tube beams of different widths further includes step S5 of designing an instrument panel tube beam mounting bracket; step S5 includes: According to the structure of the main beam of the instrument panel, a main mounting bracket suitable for the main driver's side of various vehicle models under development is designed, and a support member is designed on the main mounting bracket; According to the layout of the passenger side of each of the vehicle models under development, a secondary mounting bracket connected to the secondary pipe beam of the instrument panel is designed.

[0013] In some embodiments, the universal design method for injection-molded instrument panel tube beams of different widths includes step S6 of making and verifying a sample of the instrument panel tube beam, and step S6 includes: Design and manufacture a main mold for the main mounting bracket, and process the main mounting bracket on the main beam of the instrument panel by using an injection molding process; Design and manufacture a secondary mold for the secondary mounting bracket, and process the secondary mounting bracket on the secondary pipe beam of the instrument panel by using an injection molding process; The instrument panel main beam with the main mounting bracket is connected to the instrument panel secondary beam with the secondary mounting bracket.

[0014] The universal design method for injection-molded instrument panel tube beams of different widths in an embodiment of the present invention realizes the universal design of instrument panel tube beams through the above steps, eliminating the need to separately design and manufacture dedicated instrument panel tube beams for vehicle bodies of different widths, thereby significantly reducing manufacturing costs.

[0015] The universal design method for injection-molded instrument panel tube beams of different widths in the embodiment of the present invention designs the instrument panel main tube beam 1 to be universal, which simplifies the production and assembly process and thereby improves production efficiency. Moreover, the size of the instrument panel secondary tube beam 2 is relatively small and the required mold size is also relatively small, which not only reduces the investment cost of the mold, but also shortens the development cycle and further improves development efficiency.

[0016] In addition, the universal design method for injection-molded instrument panel tube beams of different widths in the embodiment of the present invention modularizes the instrument panel main tube beam 1 so that instrument panel tube beams of different vehicle models can share more standardized components, further improving the flexibility of design and production. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a schematic flow chart of a universal design method for injection-molded instrument panel pipe beams of different widths provided by the present invention.

[0019] Figure 2 It is a schematic structural diagram of two types of instrument panel tube beams designed according to the universal design method for injection-molded instrument panel tube beams of different widths provided by the present invention.

[0020] Reference numerals: 1. Main beam of instrument panel; 2. Auxiliary beam of instrument panel; 11. Male joint. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Combine the following Figure 1-Figure 2 The universal design method of injection-molded instrument panel pipe beams of different widths of the present invention is described. The universal design method of injection-molded instrument panel pipe beams of different widths of the embodiment of the present invention comprises the following steps: Step S1: uniformly arrange the main driver's side of various vehicle models under development with different cab widths.

[0023] Step S2: designing a main instrument panel beam 1 on the main driver's side suitable for various vehicle models under development.

[0024] Step S3: designing the layout of the passenger side of each vehicle model under development according to the configuration requirements of each vehicle model under development.

[0025] Step S4: designing the instrument panel secondary pipe beam 2 of each vehicle model under development based on the layout of the passenger side of each vehicle model under development.

[0026] Step S5: Connect the instrument panel main beam 1 and the instrument panel auxiliary beam 2 to form the instrument panel beam of each vehicle model under development.

[0027] For example, Figure 1 As shown, the width of the cab of the vehicle under development has various sizes, such as 2080mm or 1880mm. When designing the instrument panel of the vehicle under development, the structure of the instrument panel on the main driver's side is designed first, and then the structure of the instrument panel on the co-driver's side is designed.

[0028] First, the main driver's side of various models under development with different cab widths is arranged in a unified manner to ensure that the internal layout of the main driver's side remains consistent in cabs of different widths, thereby achieving higher versatility and interchangeability.

[0029] Next, an instrument panel main beam 1 suitable for the main driver's side of multiple vehicle models under development is designed. By designing a universal instrument panel main beam 1, the need to design and manufacture a dedicated instrument panel main beam 1 for each vehicle model is reduced, thereby reducing production costs and the complexity of inventory management.

[0030] Then, the layout of the passenger side of each model under development is designed according to the configuration requirements of each model under development, ensuring that the internal layout of the passenger side can meet the specific functions and space requirements of different models.

[0031] Subsequently, the instrument panel auxiliary pipe beam 2 of each vehicle model under development is designed based on the layout of the passenger side of each vehicle model under development, so that the instrument panel auxiliary pipe beam 2 matches the layout of the passenger side and adapts to cabs of different widths.

[0032] Finally, the instrument panel main beam 1 is connected to the instrument panel auxiliary beam 2 to form the instrument panel beam of each vehicle model under development.

[0033] In the related art, each car body of different widths needs to design and manufacture a dedicated instrument panel tube beam separately. Each car model needs to design a separate mold and a separate production process, which not only increases the initial development cost, but also increases the subsequent production cost.

[0034] The universal design method for injection-molded instrument panel tube beams of different widths in an embodiment of the present invention realizes the universal design of instrument panel tube beams through the above steps, eliminating the need to separately design and manufacture dedicated instrument panel tube beams for vehicle bodies of different widths, thereby significantly reducing manufacturing costs.

[0035] The universal design method for injection-molded instrument panel tube beams of different widths in the embodiment of the present invention designs the instrument panel main tube beam 1 to be universal, which simplifies the production and assembly process and thereby improves production efficiency. Moreover, the size of the instrument panel secondary tube beam 2 is relatively small and the required mold size is also relatively small, which not only reduces the investment cost of the mold, but also shortens the development cycle and further improves development efficiency.

[0036] In addition, the universal design method for injection-molded instrument panel tube beams of different widths in the embodiment of the present invention modularizes the instrument panel main tube beam 1 so that instrument panel tube beams of different vehicle models can share more standardized components, further improving the flexibility of design and production.

[0037] Therefore, the universal design method for injection-molded instrument panel tube beams of different widths according to the embodiment of the present invention has the advantages of high versatility and low cost.

[0038] In some embodiments, step S1 includes: collecting cab configuration information of various vehicle models under development; selecting environmental parts installed on the main driver's side and arranging them uniformly.

[0039] For example, step S1 includes: first, collect the cab configuration information of various models under development, which covers the key parameters of the cab width, internal layout, installation point location, etc. of different models. Then, based on the collected information, select the environmental parts that are uniformly installed on the main driver's side, such as the body steering system, brake pedal, clutch pedal, air conditioning system, washing pot assembly, relay box assembly, etc., and arrange them uniformly. Through this unified arrangement, it is ensured that the internal layout of the main driver's side remains consistent in cabs of different widths, thereby achieving higher versatility and interchangeability. This process not only simplifies the design and production process, but also lays the foundation for the subsequent design and manufacturing of the instrument panel tube beam.

[0040] In some embodiments, step S2 includes: designing the size of the instrument panel main beam 1; determining the structure of the instrument panel main beam 1 on the main driver's side; and planning the hard point arrangement of the instrument panel main beam 1 on the main driver's side.

[0041] For example, first, the size of the instrument panel main beam 1 is designed to ensure that it can adapt to the requirements of cabs of different widths. For example, if the width of the cab is 2080 mm or 1880 mm, the width of the instrument panel main beam 1 is designed to be 1500 mm.

[0042] Next, the structure of the main instrument panel beam 1 on the main driver's side is determined, including its shape, thickness and layout of reinforcing ribs, to ensure its strength and rigidity under various working conditions.

[0043] Finally, plan the hard point layout of the main beam 1 of the main instrument panel on the main driver's side, that is, determine the positions of various installation points and fixing points on the main beam 1 of the instrument panel to ensure that these points can be accurately and firmly connected to the environmental parts.

[0044] The universal design method of injection-molded instrument panel pipe beams of different widths implemented by the present invention designs an instrument panel main pipe beam 1 with strong versatility, reasonable structure and convenient installation through these detailed steps, laying a solid foundation for realizing universal design of different vehicle models.

[0045] In some embodiments, determining the structure of the instrument panel main beam 1 on the main driver's side includes: designing the installation structure of the environmental parts installed on the main driver's side; and setting a unified male connector 11 at one end of the instrument panel main beam 1 to connect with the instrument panel auxiliary beam 2.

[0046] The mounting structure is a structure used to fix environmental parts on the instrument panel main beam 1. During the design, it is ensured that key components such as the instrument panel, center console, steering column, etc. can be firmly and accurately fixed on the instrument panel main beam 1, thereby ensuring the installation consistency and reliability of these components in different vehicle models.

[0047] Secondly, a unified male connector 11 is provided at one end of the instrument panel main beam 1 to connect with the instrument panel auxiliary beam 2. The unified male connector 11 design not only simplifies the assembly process, but also ensures the connection strength and stability between the main beam and the auxiliary beam, further improving the reliability and assembly efficiency of the overall structure.

[0048] In some embodiments, step S3 includes: determining the environmental components installed on the co-pilot side according to the configuration information of each vehicle model under development; and determining the layout of the environmental components installed on the co-pilot side.

[0049] For example, according to the configuration information of each model under development, determine the environmental parts that need to be installed on the co-pilot side, such as the auxiliary instrument panel, storage box, air conditioning outlet, etc. Then, determine the specific layout of these environmental parts on the co-pilot side to ensure that their installation positions and layouts in different models can meet their respective configuration requirements and space requirements. Through this process, ensure that the internal layout of the co-pilot side not only meets the specific functional requirements of each model, but also achieves reasonable space utilization and good ergonomic design.

[0050] In some embodiments, step S4 includes: designing the size of the instrument panel auxiliary pipe beam 2 ; designing the structure of the instrument panel auxiliary pipe beam 2 ; and designing the hard point arrangement of the instrument panel auxiliary pipe beam 2 .

[0051] For example, the dimensions of the instrument panel auxiliary beam 2 are designed to ensure that it can adapt to the specific needs and spatial layout of the passenger side of different models. Next, the structure of the instrument panel auxiliary beam 2 is designed, including its shape, thickness, and the layout of the reinforcing ribs, to ensure its strength and rigidity under various working conditions. Finally, the hard point layout of the instrument panel auxiliary beam 2 is designed, that is, the positions of the various installation points and fixing points on the auxiliary beam are determined to ensure that these points can accurately and firmly connect the environmental parts and other related components on the passenger side.

[0052] The universal design method of injection-molded instrument panel tube beams of different widths in the embodiment of the present invention designs an instrument panel auxiliary tube beam 2 with a reasonable structure and convenient installation through these detailed steps to meet the personalized needs of different vehicle models.

[0053] In some embodiments, designing the structure of the instrument panel auxiliary pipe beam 2 includes: Design the mounting structure of the environmental component installed on the passenger side.

[0054] A female joint that can match the male joint 11 is designed on the instrument panel auxiliary pipe beam 2 .

[0055] For example, the installation structure of the environmental parts installed on the co-pilot side is designed to ensure that key components such as the storage box and air-conditioning vents can be firmly and accurately fixed on the instrument panel auxiliary pipe beam 2 to meet the specific functional requirements and space layout of different models.

[0056] Secondly, a female joint that can match the male joint 11 is designed on the instrument panel auxiliary pipe beam 2 to ensure that the auxiliary pipe beam can be quickly and reliably connected to the main pipe beam.

[0057] The universal design method of injection-molded instrument panel tube beams of different widths in the embodiment of the present invention not only improves the installation accuracy and reliability of the passenger side environmental parts, but also simplifies the assembly process and ensures the connection strength and stability between the main tube beam and the auxiliary tube beam.

[0058] In some embodiments, the male connector 11 is provided with a plurality of first through holes, the female connector is provided with a plurality of second through holes, the male connector 11 is sleeved on the female connector, and the plurality of first through holes correspond one-to-one to the plurality of second through holes, and each first through hole is connected to each second through hole by a rivet.

[0059] The universal design method for injection-molded instrument panel tube beams of different widths in an embodiment of the present invention ensures accurate alignment and stable connection between the male connector 11 and the female connector, prevents relative sliding between the male connector and the female connector, and compared with traditional welding methods, this connection method has a simple process, reduces complex welding procedures, and improves production efficiency and connection reliability.

[0060] It should be noted that after the rivet is fixed, the excess part of the rivet is removed.

[0061] In some embodiments, the universal design method for injection-molded instrument panel tube beams of different widths further includes step S5 of designing an instrument panel tube beam mounting bracket, and step S5 includes: According to the structure of the main instrument panel beam 1, a main mounting bracket suitable for the main driver's side of various vehicle models under development is designed, and a support member is designed on the main mounting bracket.

[0062] According to the layout of the co-pilot side of each vehicle model under development, a secondary mounting bracket connected to the instrument panel secondary pipe beam 2 is designed.

[0063] According to the structure of the instrument panel main beam 1, a main mounting bracket suitable for the main driver's side of various models under development is designed, and a support is designed on the main mounting bracket to ensure that the main mounting bracket can be firmly fixed on the vehicle body, while providing necessary support and fixing points to meet the main driver's side requirements of different models.

[0064] Next, according to the layout of the passenger side of each vehicle model under development, a secondary mounting bracket connected to the instrument panel secondary pipe beam 2 is designed to ensure that the secondary mounting bracket can be accurately connected with the environmental parts and other components on the secondary pipe beam to meet the specific functions and space requirements of the passenger side of different vehicle models.

[0065] The universal design method for injection-molded instrument panel tube beams of different widths in the embodiment of the present invention ensures the installation stability and reliability of the instrument panel tube beams in different vehicle models through these detailed design steps, thereby improving the overall assembly quality and efficiency.

[0066] In some embodiments, the universal design method for injection-molded instrument panel tube beams of different widths includes step S6 of making and verifying a sample of the instrument panel tube beam, and step S6 includes: Design and manufacture a main mold for the main mounting bracket, and process the main mounting bracket on the main beam of the instrument panel by using an injection molding process; Design and manufacture a secondary mold for the secondary mounting bracket, and process the secondary mounting bracket on the secondary pipe beam of the instrument panel by using an injection molding process; The instrument panel main beam with the main mounting bracket is connected to the instrument panel secondary beam with the secondary mounting bracket.

[0067] For example, a main mold of the main mounting bracket is designed and manufactured, the main instrument panel beam is first placed in the mold, and then the main mounting bracket is processed on the main instrument panel beam 1 by injection molding. Next, a sub-mold of the sub-mounting bracket is designed and manufactured, the sub-instrument panel beam is first placed in the sub-mold, and then the sub-mounting bracket is processed on the sub-instrument panel beam 2 by injection molding.

[0068] Finally, the instrument panel main beam 1 with the main mounting bracket is connected to the instrument panel secondary beam 1 with the secondary mounting bracket through a male connector 11 and a female connector.

[0069] The universal design method for injection-molded instrument panel tube beams of different widths in the embodiment of the present invention is used to produce a complete instrument panel tube beam sample through these steps and verify it to ensure that its structural strength, installation accuracy and functional performance meet the design requirements.

[0070] In addition, in the related art, the instrument panel tube beam is manufactured by welding, stamping and other processes, which is not only complicated, but also prone to dimensional deviation, and it is difficult to achieve interchangeability between components. In this application, the main mounting bracket is processed on the instrument panel tube beam 1, and the auxiliary mounting bracket is processed on the instrument panel auxiliary tube beam 2 by injection molding, which not only simplifies the production process, improves production efficiency and dimensional accuracy, but also facilitates universal design. Moreover, the injection molding process makes the structure of the instrument panel tube beam more consistent, and it is easier to achieve universality and interchangeability between different models, thereby reducing production costs and improving design and production flexibility.

[0071] In other embodiments, the limit between the instrument panel main beam 1 and the instrument panel auxiliary beam 2 uses a fixed fixture. The instrument panel main beam 1 and the instrument panel auxiliary beam 2 are both straight pipes. By adopting a straight pipe design, the instrument panel beam is ensured to maintain a high degree of consistency and accuracy during the production process, avoiding dimensional deviation and deformation problems caused by bending. This design not only improves the quality and reliability of the product, but also simplifies the production process and reduces manufacturing costs.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A universal design method for injection molded instrument panel pipe beams of different widths, characterized in that: include: Step S1, uniformly arranging the main driver's side of various vehicle models under development with different cab widths; Step S2, designing a main instrument panel beam on the main driver's side suitable for a variety of vehicle models under development; Step S3, designing the layout of the passenger side of each of the vehicle models under development according to the configuration requirements of each of the vehicle models under development; Step S4, designing the instrument panel secondary pipe beam of each of the vehicle models under development based on the layout of the passenger side of each of the vehicle models under development; Step S5: Connect the instrument panel main beam and the instrument panel auxiliary beam to form the instrument panel beam of each vehicle model under development.

2. The universal design method for injection molded instrument panel pipe beams of different widths according to claim 1 is characterized in that: The step S1 comprises: Collecting cab configuration information of various types of vehicles under development; Select the environmental parts installed on the main driver's side and arrange them in a unified manner.

3. The universal design method for injection molded instrument panel pipe beams of different widths according to claim 1 is characterized in that: The step S2 comprises: Design the dimensions of the instrument panel main beam; Determine the structure of the main beam of the instrument panel on the main driver's side; Plan the hard point layout of the main beam of the instrument panel on the main driver's side.

4. The universal design method for injection molded instrument panel pipe beams of different widths according to claim 3 is characterized in that: The structure of determining the main beam of the instrument panel on the main driving side includes: Design the installation structure of the environmental parts installed on the main driver's side; A unified male joint is arranged at one end of the instrument panel main beam so as to be connected with the instrument panel auxiliary beam.

5. The universal design method for injection molded instrument panel pipe beams of different widths according to claim 1 is characterized in that: The step S3 comprises: Determining the environmental component installed on the passenger side according to the configuration information of each of the vehicle models under development; Determine the layout of the environmental components installed on the passenger side.

6. The universal design method for injection molded instrument panel pipe beams of different widths according to claim 4 is characterized in that: The step S4 comprises: Design the dimensions of the instrument panel auxiliary pipe beam; Design the structure of the instrument panel auxiliary pipe beam; Design the hard point arrangement of the instrument panel auxiliary pipe beam.

7. The universal design method for injection molded instrument panel pipe beams of different widths according to claim 6 is characterized in that: The structure of the designed instrument panel auxiliary pipe beam includes: Design the installation structure of the environmental parts installed on the passenger side; A female joint that can match the male joint is designed on the instrument panel auxiliary pipe beam.

8. The universal design method for injection molded instrument panel pipe beams of different widths according to claim 7 is characterized in that: The male connector is provided with a plurality of first through holes, the female connector is provided with a plurality of second through holes, the male connector is sleeved on the female connector, and the plurality of first through holes correspond one to one with the plurality of second through holes, and each of the first through holes is connected to each of the second through holes by a rivet.

9. The universal design method for injection molded instrument panel pipe beams of different widths according to claim 1 is characterized in that: The universal design method for injection-molded instrument panel tube beams of different widths further includes step S5 of designing an instrument panel tube beam mounting bracket; step S5 includes: According to the structure of the main beam of the instrument panel, a main mounting bracket suitable for the main driver's side of various vehicle models under development is designed, and a support member is designed on the main mounting bracket; According to the layout of the passenger side of each of the vehicle models under development, a secondary mounting bracket connected to the secondary pipe beam of the instrument panel is designed.

10. The universal design method for injection molded instrument panel pipe beams of different widths according to claim 9, characterized in that: The universal design method for injection-molded instrument panel tube beams of different widths includes step S6 of making and verifying a sample of the instrument panel tube beam, wherein step S6 includes: designing and making a main mold of the main mounting bracket, and processing the main mounting bracket on the main instrument panel tube beam by injection molding; Design and manufacture a secondary mold for the secondary mounting bracket, and process the secondary mounting bracket on the secondary pipe beam of the instrument panel by using an injection molding process; The instrument panel main beam with the main mounting bracket is connected to the instrument panel auxiliary beam with the auxiliary mounting bracket.

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