An installation structure and method of an automobile instrument panel cross beam

Abstract

The application discloses a kind of installation structure and installation method of automobile instrument panel crossbeam, wherein, automobile includes left A column inner plate, front wall upper baffle, right A column inner plate, front wall lower baffle and front floor connected in sequence, and the installation structure of automobile instrument panel crossbeam includes: instrument panel crossbeam is connected left A column inner plate, front wall upper baffle, right A column inner plate, front wall lower baffle and front floor respectively.The application is connected by the different structural members of multiple positions on automobile body respectively to instrument panel crossbeam, so as to improve the connection strength of instrument panel crossbeam and vehicle body, solve the problem that steering wheel will vibrate when automobile drives on some poor road, and guarantee the safety of vehicle personnel.

Description

Technical Field

[0001] This invention relates to the field of automotive technology, and in particular to an installation structure and method for an automotive dashboard crossbeam. Background Technology

[0002] In the existing technology, the steering wheel and steering column are directly connected to the dashboard crossbeam by bolts, and the dashboard crossbeam is also connected to the vehicle body by bolts. Because the connection between the dashboard crossbeam and the vehicle body is not stable, the steering wheel will vibrate when the car is driven on some roads with poor road conditions, which will affect the driving direction of the vehicle and pose a safety hazard to the passengers. Summary of the Invention

[0003] The purpose of this invention is to provide an installation structure and method for an automotive dashboard crossbeam, aiming to solve the problem of unstable connection between the existing automotive dashboard crossbeam and the vehicle body, which causes the steering wheel to vibrate.

[0004] To solve the above-mentioned technical problems, embodiments of the present invention provide an installation structure for a car dashboard crossbeam. The car includes a left A-pillar inner panel, a front upper baffle, a right A-pillar inner panel, a front lower baffle, and a front floor connected in sequence. The dashboard crossbeam is connected to the left A-pillar inner panel, the front upper baffle, the right A-pillar inner panel, the front lower baffle, and the front floor respectively.

[0005] Furthermore, the left A-pillar inner panel includes: a left A-pillar inner panel body and a left front fender inner panel reinforcing plate, the left A-pillar inner panel body being connected to the front upper baffle; the left front fender inner panel reinforcing plate being connected to the left A-pillar inner panel body; wherein, the instrument panel crossbeam includes at least one first connector, the first connector passing through the left front fender inner panel reinforcing plate and being connected to the left A-pillar inner panel body.

[0006] Furthermore, the left A-pillar inner panel also includes: a left front fender inner panel reinforcing plate, a left front fender instrument panel mounting bracket fixing plate, and a left front fender inner panel reinforcement plate. The left front fender inner panel reinforcing plate is attached to the left front fender inner panel reinforcement plate; the left front fender instrument panel mounting bracket fixing plate is attached to the left front fender inner panel reinforcement plate; the left front fender inner panel reinforcement plate is connected to the left front fender inner panel reinforcement plate, and one side of the left front fender inner panel reinforcement plate is attached to the side of the left front fender instrument panel mounting bracket fixing plate away from the left front fender inner panel reinforcement plate; wherein, the left front fender inner panel reinforcing plate and the left front fender inner panel reinforcement plate are each provided with at least one first connecting portion, and the first connecting member connects to the first connecting portion.

[0007] Furthermore, the instrument panel crossbeam also includes a second connecting member, and a second connecting part is provided on the reinforcing plate of the left front fender inner panel. The second connecting member passes through the reinforcing plate of the left front fender inner panel and connects to the second connecting part.

[0008] Furthermore, the upper front bulkhead includes: an upper front bulkhead body, an outer panel of the lower front windshield crossbeam, a left instrument panel mounting bracket fixing plate, and a right instrument panel mounting bracket fixing plate. The upper front bulkhead body is connected to the inner panels of the left and right A-pillars at both ends, respectively. The outer panel of the lower front windshield crossbeam is connected to the upper front bulkhead body. The left instrument panel mounting bracket fixing plate is connected to both the outer panel of the lower front windshield crossbeam and the upper front bulkhead body. The right instrument panel mounting bracket fixing plate is connected to both the outer panel of the lower front windshield crossbeam and the upper front bulkhead body. The instrument panel crossbeam includes two third connecting members, which are connected to the left instrument panel mounting bracket fixing plate and the right instrument panel mounting bracket fixing plate, respectively.

[0009] Furthermore, the front upper baffle also includes: two instrument panel crossbeam mounting sleeves, which are respectively mounted on the instrument panel left mounting bracket fixing plate and the instrument panel right mounting bracket fixing plate, and the third connector connects the instrument panel crossbeam mounting sleeves.

[0010] Furthermore, the lower front bulkhead includes: a lower front bulkhead body and a vacuum booster with brake pump reinforcement plate. One end of the lower front bulkhead body is connected to the inner panel of the left A-pillar, the upper front bulkhead, and the inner panel of the right A-pillar, respectively. The vacuum booster with brake pump reinforcement plate is connected to the lower front bulkhead body. A third connecting portion is provided on the vacuum booster with brake pump reinforcement plate, and the third connecting portion is connected to the lower front bulkhead body. The instrument panel crossbeam includes a fourth connecting member, and the fourth connecting member is connected to the third connecting portion.

[0011] Furthermore, the front floor includes: a front floor body, a left reinforcing beam of the center channel, a right reinforcing beam of the center channel, and an ECU mounting bracket. One end of the front floor body is connected to the lower front bulkhead. The left reinforcing beam of the center channel is connected to the front floor body. The right reinforcing beam of the center channel is connected to the front floor body. The two ends of the ECU mounting bracket are respectively connected to the left and right reinforcing beams of the center channel. The left and right reinforcing beams of the center channel are respectively provided with fourth connecting parts. The instrument panel crossbeam includes two fifth connecting parts, and the fifth connecting parts are connected to the fourth connecting parts.

[0012] This invention also provides a method for installing a crossbeam of an automotive dashboard, comprising:

[0013] Connect the dashboard crossbeam to the left A-pillar inner panel, the upper front panel, the right A-pillar inner panel, the lower front panel, and the front floor, respectively.

[0014] Furthermore, the installation methods for the car dashboard crossbeam also include:

[0015] Connect the first connecting piece of the instrument panel beam to the first connecting part of the inner panel of the left A-pillar;

[0016] Connect the second connecting piece of the instrument panel beam to the second connecting part of the inner panel of the left A-pillar;

[0017] The third connector of the instrument panel crossbeam is connected to the instrument panel crossbeam mounting sleeve of the front upper baffle.

[0018] The fourth connector of the instrument panel beam is connected to the third connector of the lower front panel;

[0019] The fifth connector of the instrument panel beam is connected to the fourth connector of the front floor.

[0020] This invention discloses an installation structure and method for an automotive dashboard crossbeam. The automotive vehicle includes a left A-pillar inner panel, a front upper baffle, a right A-pillar inner panel, a front lower baffle, and a front floor connected sequentially. The installation structure of the dashboard crossbeam includes connecting the dashboard crossbeam to the left A-pillar inner panel, the front upper baffle, the right A-pillar inner panel, the front lower baffle, and the front floor. This invention improves the connection strength between the dashboard crossbeam and the vehicle body by connecting the dashboard crossbeam to different structural components at multiple locations on the vehicle body. This solves the problem of steering wheel vibration when driving on roads with poor conditions, ensuring the safety of the vehicle occupants. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A schematic diagram of the mounting structure of the automotive dashboard crossbeam provided in an embodiment of the present invention;

[0023] Figure 2 This is a structural schematic diagram of the inner panel of the left A-pillar from a first-view perspective, provided in an embodiment of the present invention.

[0024] Figure 3 This is a structural schematic diagram of the inner panel of the left A-pillar from a second perspective, provided in an embodiment of the present invention.

[0025] Figure 4Cross-sectional view AA provided for embodiments of the present invention;

[0026] Figure 5 This is an exploded view of the inner panel of the left A-pillar provided in an embodiment of the present invention;

[0027] Figure 6 This is a structural schematic diagram of the front upper baffle from a first perspective, provided in an embodiment of the present invention;

[0028] Figure 7 This is a structural schematic diagram of the front upper baffle from a second perspective, provided in an embodiment of the present invention;

[0029] Figure 8 Cross-sectional view BB provided for an embodiment of the present invention;

[0030] Figure 9 Cross-sectional view CC provided for embodiments of the present invention;

[0031] Figure 10 This is a schematic diagram of the structure of the lower front baffle provided in an embodiment of the present invention;

[0032] Figure 11 Cross-sectional view DD provided for embodiments of the present invention;

[0033] Figure 12 This is a schematic diagram of the front floor structure provided in an embodiment of the present invention;

[0034] Figure 13 Cross-sectional view EE provided for embodiments of the present invention;

[0035] Figure 14 This is a schematic flowchart illustrating the installation method of the automotive dashboard crossbeam provided in an embodiment of the present invention.

[0036] Explanation of the markings in the image:

[0037] 1. Left A-pillar inner panel; 11. Left A-pillar inner panel body; 12. Left front fender inner panel reinforcement plate; 13. Left front fender inner panel reinforcement plate; 14. Left front fender instrument panel mounting bracket fixing plate; 15. Left front fender inner panel reinforcement plate; 16. First connecting part;

[0038] 2. Front upper baffle; 21. Front upper baffle body; 22. Lower crossbeam outer panel of the windshield; 23. Left mounting bracket fixing plate of the instrument panel; 24. Right mounting bracket fixing plate of the instrument panel; 25. Instrument panel crossbeam mounting sleeve;

[0039] 3. Right A-pillar inner panel;

[0040] 4. Lower front bulkhead baffle; 41. Lower front bulkhead baffle body; 42. Vacuum booster with brake pump reinforcement plate;

[0041] 5. Front floor; 51. Front floor body; 52. Left reinforcing beam of the center tunnel; 53. ECU mounting bracket; 54. Right reinforcing beam of the center tunnel;

[0042] 6. Instrument panel crossbeam. Detailed Implementation

[0043] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0044] It should be understood that, when used in this specification and the appended claims, the terms "comprising" and "including" indicate the presence of the described features, integrals, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or collections thereof.

[0045] It should also be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0046] It should also be further understood that the term "and / or" as used in this specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0047] Combination Figure 1 As shown, the present invention provides an installation structure for a car dashboard crossbeam. The car includes a left A-pillar inner panel 1, a front upper baffle 2, a right A-pillar inner panel 3, a front lower baffle 4, and a front floor 5 connected in sequence. The dashboard crossbeam 6 is connected to the left A-pillar inner panel 1, the front upper baffle 2, the right A-pillar inner panel 3, the front lower baffle 4, and the front floor 5 respectively.

[0048] In this embodiment of the invention, by connecting the dashboard crossbeam 6 to different structural components at multiple locations on the vehicle body, the connection strength between the dashboard crossbeam 6 and the vehicle body is improved. This solves the problem of steering wheel vibration when driving on roads with poor conditions, ensuring the safety of the vehicle occupants. Specifically, the left A-pillar inner panel 1 and the right A-pillar inner panel 3 are respectively connected to both ends of the upper front bulkhead 2. The lower front bulkhead 4 is connected below the left A-pillar inner panel 1, the upper front bulkhead 2, and the right A-pillar inner panel 3. The front floor 5 is connected below the lower front bulkhead 4.

[0049] Combination Figure 2-5 As shown, in some embodiments, the left A-pillar inner panel 1 includes: a left A-pillar inner panel body 11 and a left front fender inner panel reinforcing plate 12, the left A-pillar inner panel body 11 being connected to the front upper baffle 2; the left front fender inner panel reinforcing plate 12 being connected to the left A-pillar inner panel body 11; wherein, the instrument panel crossbeam 6 includes at least one first connector (not shown), the first connector passing through the left front fender inner panel reinforcing plate 12 and being connected to the left A-pillar inner panel body 11.

[0050] In this embodiment, the left front fender inner panel reinforcing plate 12 is connected to the left A-pillar inner panel body 11 to enhance the overall strength of the left A-pillar inner panel 1. The first connecting piece of the instrument panel crossbeam 6 passes through the left front fender inner panel reinforcing plate 12 and is connected to the left A-pillar inner panel body 11, making the instrument panel crossbeam 6 more stable. Specifically, the left front fender inner panel reinforcing plate 12 is connected to the left A-pillar inner panel body 11 by welding, so that the left A-pillar inner panel 1 meets the requirements of lightweighting and cost reduction.

[0051] In some embodiments, the left A-pillar inner panel 1 further includes: a left front fender inner panel reinforcing plate 13, a left front fender instrument panel mounting bracket fixing plate 14, and a left front fender inner panel reinforcement plate 15. The left front fender inner panel reinforcing plate 13 is attached to the left front fender inner panel reinforcement plate 12; the left front fender instrument panel mounting bracket fixing plate 14 is attached to the left front fender inner panel reinforcement plate 12; the left front fender inner panel reinforcement plate 15 is connected to the left front fender inner panel reinforcement plate 12, and one side of the left front fender inner panel reinforcement plate 15 is attached to the side of the left front fender instrument panel mounting bracket fixing plate 14 away from the left front fender inner panel reinforcement plate 12; wherein, the left front fender inner panel reinforcing plate 13 and the left front fender inner panel reinforcement plate 15 are respectively provided with at least one first connecting portion 16, and a first connecting member is connected to the first connecting portion 16.

[0052] In this embodiment, the left front fender inner panel reinforcing plate 13, the left front fender instrument panel mounting bracket fixing plate 14, and the left front fender inner panel reinforcement plate 15 are connected to the left front fender inner panel reinforcement plate 12 to strengthen the connection strength of the instrument panel crossbeam 6. The first connector of the instrument panel crossbeam 6 is connected to the first connecting portion 16 of the left front fender inner panel reinforcing plate 13 and the left front fender inner panel reinforcement plate 15, and extends through the left A-pillar inner panel body 11, making the instrument panel crossbeam 6 more stable. Specifically, the first connector of the instrument panel crossbeam 6 extends through the first connecting portion 16 of the left front fender inner panel reinforcement plate 15, and extends through the left front fender instrument panel mounting bracket fixing plate 14 and the left front fender inner panel reinforcement plate 12 to connect to the left A-pillar inner panel body 11, making the instrument panel crossbeam 6 more stable. More specifically, the first connecting part 16 is a hexagonal nut welded to the reinforcing plate 13 of the inner panel of the left front fender and the reinforcing plate 15 in the inner panel of the left front fender, and the first connecting part is a bolt, which makes the connection stable.

[0053] In some embodiments, the instrument panel crossbeam 6 further includes a second connector (not shown), and a second connecting portion (not shown) is provided on the reinforcing plate 12 of the left front fender inner panel. The second connector passes through the reinforcing plate 15 in the left front fender inner panel and connects to the second connecting portion.

[0054] In this embodiment, the second connector, which is provided with a second connecting portion on the reinforcing plate 12 of the left front fender inner panel, further stabilizes the connection between the instrument panel beam 6 and the left A-pillar inner panel 1. Furthermore, the reinforcing plate 15 in the left front fender inner panel strengthens the connection between the second connector and the reinforcing plate 12. Specifically, the second connector is a locating pin, making the connection between the instrument panel beam 6 and the left A-pillar inner panel 1 more stable.

[0055] Understandably, the right A-pillar inner panel 3 and the left A-pillar inner panel 1 are symmetrically connected to both ends of the front bulkhead upper baffle 2, and the right A-pillar inner panel 3 is connected to the left A-pillar inner panel 1 and the instrument panel crossbeam 6 in the same way.

[0056] Combination Figure 6-9 As shown, in some embodiments, the upper front panel 2 includes: an upper front panel body 21, an outer panel 22 of the lower front windshield crossbeam, a left instrument panel mounting bracket fixing plate 23, and a right instrument panel mounting bracket fixing plate 24. The upper front panel body 21 is connected to the inner panel 1 of the left A-pillar and the inner panel 3 of the right A-pillar at both ends, respectively. The outer panel 22 of the lower front windshield crossbeam is connected to the upper front panel body 21. The left instrument panel mounting bracket fixing plate 23 is connected to the outer panel 22 of the lower front windshield crossbeam and the upper front panel body 21, respectively. The right instrument panel mounting bracket fixing plate 24 is connected to the outer panel 22 of the lower front windshield crossbeam and the upper front panel body 21, respectively. The instrument panel crossbeam 6 includes two third connecting members (not shown), which are connected to the left instrument panel mounting bracket fixing plate 23 and the right instrument panel mounting bracket fixing plate 24, respectively.

[0057] In this embodiment, the lower crossbeam outer panel 22 of the front windshield is connected to the upper front baffle body 21. The left instrument panel mounting bracket fixing plate 23 connects the lower crossbeam outer panel 22 of the front windshield and the upper front baffle body 21, respectively. The right instrument panel mounting bracket fixing plate 24 connects the lower crossbeam outer panel 22 of the front windshield and the upper front baffle body 21, respectively. All of these are used to strengthen the overall strength of the upper front baffle 2. The third connector is connected to the left instrument panel mounting bracket fixing plate 23 and the right instrument panel mounting bracket fixing plate 24, respectively, strengthening the connection strength of the instrument panel crossbeam 6. Specifically, a mounting cavity (not shown) is provided between the lower crossbeam outer panel 22 of the front windshield and the upper front baffle body 21. The left instrument panel mounting bracket fixing plate 23 and the right instrument panel mounting bracket fixing plate 24 are connected in the mounting cavity, strengthening the overall strength of the upper front baffle 2. More specifically, the outer panel 22 of the lower crossbeam of the front windshield is connected to the upper front baffle body 21 by welding, and the left mounting bracket fixing plate 23 and the right mounting bracket fixing plate 24 of the instrument panel are connected in the mounting cavity by welding, so that the upper front baffle 2 meets the requirements of lightweighting and cost reduction.

[0058] In some embodiments, the front upper baffle 2 further includes: two instrument panel crossbeam mounting sleeves 25, which are respectively mounted on the instrument panel left mounting bracket fixing plate 23 and the instrument panel right mounting bracket fixing plate 24, and a third connector connects to the instrument panel crossbeam mounting sleeves 25.

[0059] In this embodiment, the third connector, the instrument panel crossbeam mounting sleeve 25, enhances the connection strength between the instrument panel crossbeam 6 and the upper front panel 2. Specifically, the instrument panel crossbeam mounting sleeve 25 is connected to the left instrument panel mounting bracket fixing plate 23 and the right instrument panel mounting bracket fixing plate 24 by CO2 gas shielded welding. CO2 gas shielded welding further improves the overall strength of the upper front panel 2. More specifically, the instrument panel crossbeam mounting sleeve 25 is welded to the left instrument panel mounting bracket fixing plate 23, then to the outer panel 22 of the lower front windshield crossbeam, and finally to the upper front panel body 21. This forms a cavity between the instrument panel crossbeam mounting sleeve 25, the left instrument panel mounting bracket fixing plate 23, the outer panel 22 of the lower front windshield crossbeam, and the upper front panel body 21, further enhancing the overall strength of the upper front panel 2, thereby strengthening the connection strength between the instrument panel crossbeam 6 and the upper front panel 2.

[0060] Combination Figure 10-11As shown, in some embodiments, the lower front fascia 4 includes: a lower front fascia body 41 and a vacuum booster with brake pump reinforcing plate 42. One end of the lower front fascia body 41 is connected to the left A-pillar inner panel 1, the upper front fascia 2, and the right A-pillar inner panel 3, respectively. The vacuum booster with brake pump reinforcing plate 42 is connected to the lower front fascia body 41. The vacuum booster with brake pump reinforcing plate 42 is provided with a third connecting part (not shown), which is connected to the lower front fascia body 41. The instrument panel crossbeam 6 includes a fourth connecting member (not shown), which is connected to the third connecting part.

[0061] In this embodiment, the vacuum booster with brake pump reinforcing plate 42 is connected to the front lower baffle body 41, which strengthens the overall strength of the front lower baffle 4. The fourth connecting piece of the instrument panel beam 6 is connected to the third connecting part on the vacuum booster with brake pump reinforcing plate 42, thereby enhancing the connection strength between the instrument panel beam 6 and the front lower baffle 4.

[0062] Combination Figure 12-13 As shown, in some embodiments, the front floor 5 includes: a front floor body 51, a left reinforcing beam 52 of the center channel, a right reinforcing beam 54 of the center channel, and an ECU mounting bracket 53. One end of the front floor body 51 is connected to the lower front bulkhead 4; the left reinforcing beam 52 of the center channel is connected to the front floor body 51; the right reinforcing beam 54 of the center channel is connected to the front floor body 51; the two ends of the ECU mounting bracket 53 are respectively connected to the left reinforcing beam 52 of the center channel and the right reinforcing beam 54 of the center channel; wherein, the left reinforcing beam 52 of the center channel and the right reinforcing beam 54 of the center channel are respectively provided with a fourth connecting part (not shown), and the instrument panel crossbeam 6 includes two fifth connecting parts (not shown), which are connected to the fourth connecting parts.

[0063] In this embodiment, the left reinforcing beam 52 of the center channel is connected to the front floor body 51, and the right reinforcing beam 54 of the center channel is connected to the front floor body 51. The two ends of the ECU mounting bracket 53 are respectively connected to the left reinforcing beam 52 and the right reinforcing beam 54 of the center channel, which strengthens the overall strength of the front floor 5. The fifth connecting piece of the instrument panel crossbeam 6 is connected to the fourth connecting part on the left reinforcing beam 52 and the right reinforcing beam 54 of the center channel, which further enhances the connection strength between the instrument panel crossbeam 6 and the front floor 5.

[0064] This invention also provides a method for installing a crossbeam of an automotive dashboard, comprising:

[0065] Connect the dashboard crossbeam 6 to the left A-pillar inner panel 1, the front upper baffle 2, the right A-pillar inner panel 3, the front lower baffle 4, and the front floor 5, respectively.

[0066] In this embodiment of the invention, by connecting the dashboard crossbeam 6 of the car to different structural components at multiple locations on the car body, the connection strength between the dashboard crossbeam 6 and the car body is improved, solving the problem of steering wheel vibration when the car is driving on some roads with poor road conditions, and ensuring the safety of the passengers.

[0067] Combination Figure 14 As shown, in some embodiments, the method for installing the vehicle dashboard crossbeam further includes steps S10 to S50:

[0068] S10. Connect the first connecting piece of the instrument panel beam 6 to the first connecting part 16 of the inner panel 1 of the left A-pillar;

[0069] S20. Connect the second connecting piece of the instrument panel beam 6 to the second connecting part of the inner panel 1 of the left A-pillar;

[0070] S30. Connect the third connecting piece of the instrument panel crossbeam 6 to the instrument panel crossbeam mounting sleeve 25 of the front upper baffle 2.

[0071] S40. Connect the fourth connecting piece of the instrument panel beam 6 to the third connecting part of the lower front panel 4.

[0072] S50. Connect the fifth connector of the instrument panel beam 6 to the fourth connector of the front floor 5.

[0073] In this embodiment, the instrument panel crossbeam 6 is connected to the left A-pillar inner panel 1, the front upper baffle 2, the right A-pillar inner panel 3, the front lower baffle 4, and the front floor 5, respectively, which improves the connection strength between the instrument panel crossbeam 6 and the vehicle body, solves the problem of steering wheel vibration when the car is driving on some roads with poor road conditions, and ensures the safety of the vehicle occupants.

[0074] Steps S10 to S50 are for annotation purposes only and are not intended to represent the order of steps in actual application scenarios.

[0075] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and these modifications or substitutions should all be covered within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. An installation structure of an automobile instrument panel cross member, the automobile including a left A-pillar inner panel, a cowl top panel, a right A-pillar inner panel, a cowl lower panel, and a front floor panel connected in this order, characterized by, include: The dashboard crossbeam connects the inner panel of the left A-pillar, the upper front panel, the inner panel of the right A-pillar, the lower front panel, and the front floor. The inner panel of the left A-pillar includes: Left A-pillar inner panel body, the left A-pillar inner panel body being connected to the front upper baffle; Left front fender inner panel reinforcement plate, the left front fender inner panel reinforcement plate is connected to the left A-pillar inner panel body; Left front fender inner panel reinforcement plate, the left front fender inner panel reinforcement plate being attached to the left front fender inner panel reinforcement plate; Left front fender instrument panel mounting bracket fixing plate, which is attached to the left front fender inner panel reinforcement plate; A reinforcing plate in the inner panel of the left front fender is connected to the reinforcing plate in the inner panel of the left front fender, and one side of the reinforcing plate in the inner panel of the left front fender is attached to the side of the fixing plate of the left front fender instrument panel mounting bracket away from the reinforcing plate in the inner panel of the left front fender. The instrument panel beam includes at least one first connector, which passes through the reinforcing plate of the left front fender inner panel and is connected to the body of the left A-pillar inner panel. The inner reinforcing plate of the left front fender and the middle reinforcing plate of the inner left front fender are respectively provided with at least one first connecting part, and the first connecting member is connected to the first connecting part; The instrument panel crossbeam also includes a second connecting member. A second connecting part is provided on the reinforcing plate of the left front fender inner panel. The second connecting member passes through the reinforcing plate of the left front fender inner panel and connects to the second connecting part.

2. The mounting structure for an automobile instrument panel cross member according to claim 1, characterized by The front upper baffle includes: The front upper baffle body is connected at both ends to the inner panel of the left A-pillar and the inner panel of the right A-pillar, respectively; The outer panel of the lower crossbeam of the front windshield is connected to the upper baffle body of the front bulkhead; The left mounting bracket fixing plate of the instrument panel is connected to the outer plate of the lower crossbeam of the front windshield and the body of the upper baffle of the front bulkhead respectively. The instrument panel right mounting bracket fixing plate is connected to the outer panel of the lower crossbeam of the front windshield and the body of the upper baffle of the front bulkhead respectively. The instrument panel crossbeam includes two third connecting members, which are respectively connected to the left mounting bracket fixing plate and the right mounting bracket fixing plate of the instrument panel.

3. The mounting structure for an automobile instrument panel cross member according to claim 2, characterized by The front upper baffle also includes: Two instrument panel crossbeam mounting sleeves are respectively installed on the left mounting bracket fixing plate and the right mounting bracket fixing plate of the instrument panel, and the third connector connects the instrument panel crossbeam mounting sleeves.

4. The mounting structure for an automobile instrument panel cross member according to claim 3, characterized by The lower front bulkhead includes: The lower front panel body is connected at one end to the inner panel of the left A-pillar, the upper front panel, and the inner panel of the right A-pillar respectively. The vacuum booster with brake pump reinforcement plate is connected to the lower front baffle body. The vacuum booster with brake pump reinforcement plate is provided with a third connecting part, which is connected to the front lower baffle body. The instrument panel crossbeam includes a fourth connecting member, which is connected to the third connecting part.

5. The mounting structure for an automobile instrument panel cross member according to claim 4, characterized by The front floor includes: Front floor body, one end of which is connected to the front lower baffle; A left reinforcing beam for the central channel, which is connected to the front floor body; The right reinforcing beam of the central channel is connected to the front floor body; An ECU mounting bracket, with its two ends connected to the left reinforcing beam of the middle channel and the right reinforcing beam of the middle channel, respectively; The left and right reinforcing beams of the central channel are respectively provided with fourth connecting parts, and the instrument panel crossbeam includes two fifth connecting parts, which are connected to the fourth connecting parts.

6. A mounting method of the mounting structure of the automobile instrument panel cross member according to claim 5, characterized by, include: Connect the dashboard crossbeam to the left A-pillar inner panel, the upper front panel, the right A-pillar inner panel, the lower front panel, and the front floor respectively; Connect the first connecting piece of the instrument panel beam to the first connecting part of the inner panel of the left A-pillar; Connect the second connecting piece of the instrument panel beam to the second connecting part of the inner panel of the left A-pillar; The third connector of the instrument panel crossbeam is connected to the instrument panel crossbeam mounting sleeve of the front upper baffle. The fourth connector of the instrument panel beam is connected to the third connector of the lower front panel; The fifth connector of the instrument panel beam is connected to the fourth connector of the front floor.

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