A subframe front crossbeam assembly for automobile cabin parts

Abstract

The present invention relates to the technical field of automobile crossbeams, and specifically to a subframe front crossbeam assembly for automobile engine compartment components, comprising a first protective crossbeam, a fixed mounting hole, a fixed mounting plate, a first side mounting plate, a second side mounting plate, a second protective crossbeam, and a main buffer adjustment body, wherein the second protective crossbeam is arranged in front of the first protective crossbeam, the first side mounting plate is fixedly connected to both ends of the first protective crossbeam, and the second side mounting plate is fixedly connected to both ends of the second protective crossbeam. The present invention can adjust the threaded adjustment rods to telescopically adjust along the first limit card cover and the second limit card cover by screwing each threaded adjustment rod, and can adjust and control the performance and level of buffering and unloading during instantaneous rebound of the device by squeezing and adjusting the two ends of each buffer adjustment spring by squeezing the adjustment disk, and each buffer adjustment spring can be conveniently removed from the first protective crossbeam and the second protective crossbeam or fixedly installed for use.

Description

Technical Field

[0001] The invention relates to the technical field of automobile cross beams, in particular to a subframe front cross beam assembly for automobile cabin components. Background Art

[0002] The front cross member of the subframe is a key component in the automobile chassis system. The front cross member can absorb part of the energy, effectively reduce the damage to the occupants and the vehicle, and improve the safety of the vehicle. However, the existing front cross member can play a role of barrier protection during collision. However, when a violent collision occurs, the front cross member does not have the buffering and energy unloading requirements. The strong collision can still transmit the impact force to the interior of the vehicle body after passing through the barrier of the cross member, causing damage and injury to the interior of the vehicle and the personnel. In addition, the existing front cross member of the subframe for automobile cabin parts cannot be used to adjust the protection and buffering level of the front cross member for automobile cabin parts according to the protection level requirements, making it inconvenient to use, install and adjust. Therefore, a device is needed to improve the above problems. Summary of the Invention

[0003] In view of the problems in the prior art, the present invention provides a subframe front crossbeam assembly for automobile cabin components.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a subframe front crossbeam assembly for automobile cabin components, including a first protective crossbeam, a fixed mounting hole, a fixed mounting plate, a first side mounting plate, a second side mounting plate, a second protective crossbeam and a main buffer adjustment body, the second protective crossbeam is arranged in front of the first protective crossbeam, the first side mounting plate is fixedly connected to the two ends of the first protective crossbeam, the second side mounting plate is fixedly connected to the two ends of the second protective crossbeam, the fixed mounting plate is fixedly installed on both sides of the first protective crossbeam and the second protective crossbeam, the fixed mounting holes are evenly penetrated through the fixed mounting plate, and the main buffer adjustment body is arranged between the two ends of the first protective crossbeam and the second protective crossbeam.

[0005] Preferably, an auxiliary buffer adjustment body is provided in the middle of the first protective beam and the second protective beam.

[0006] Preferably, main sockets are evenly opened at both ends of the first protective beam and the second protective beam, auxiliary sockets are opened through the middle of the first protective beam and the second protective beam, threaded fixing holes are opened around the auxiliary sockets and the main sockets and on the first protective beam and the second protective beam, and a limiting slot is opened through the first side mounting plate.

[0007] Preferably, the main buffer adjustment body includes a first fixed mounting plate, a first fixed threaded column, a first limit cover, a threaded adjustment rod, a second limit cover, a second fixed mounting plate, a buffer adjustment spring and an extrusion adjustment plate, the first fixed mounting plate and the second fixed mounting plate are distributed in a mirror-symmetrical manner, the first limit cover and the second limit cover are respectively and evenly fixed on the outer ends of the first fixed mounting plate and the second fixed mounting plate, the threaded adjustment rod is threadedly rotated and inserted into the interior of the first limit cover and the second limit cover, the extrusion adjustment plate is arranged inside the first limit cover and the second limit cover, and the front end of the threaded adjustment rod is rotatably clamped in the middle of the extrusion adjustment plate, the buffer adjustment spring is evenly arranged between the first fixed mounting plate and the second fixed mounting plate, and the two ends of the buffer adjustment spring are respectively inserted into the interior of the first limit cover and the second limit cover.

[0008] Preferably, the upper end of the second side mounting plate is fixedly mounted with a fixed connecting transverse plate via a second fixed threaded column, and the inner side end of the second side mounting plate is fixedly mounted with an extrusion adjustment column.

[0009] Preferably, the internal sliding card of the limit slot is connected with a sliding impact adjustment block, the inner end of the first side mounting plate is evenly fixedly installed with a fixed limit plate, the threads on both ends of the fixed limit plate are penetrated and inserted with a fourth fixed threaded column, the side end of the sliding impact adjustment block is evenly fixedly installed with a connecting limit plate, and the upper end of the sliding impact adjustment block is fixedly installed with a blocking limit card column.

[0010] Preferably, the barrier limit card column is placed in the card slot set at the front end of the fixed connecting horizontal plate, a locking plug plate is slidably inserted on the second fixed threaded column, and a third fixed threaded column is threadedly inserted at both ends of the locking plug plate, and a side limit barrier plate is evenly fixedly installed on the inner side of the sliding impact adjustment block.

[0011] Preferably, the side limit baffle plate is fitted with the first side mounting plate for baffle setting, the front end of the extrusion adjustment column is located in the middle of the sliding impact adjustment block, the auxiliary buffer adjustment body has the same structure as the main buffer adjustment body, the buffer adjustment spring is located inside the main socket, the first fixed threaded column is threadedly inserted into the threaded fixing hole, and the middle of the extrusion adjustment disk is in extrusion contact with the end of the buffer adjustment spring.

[0012] Preferably, an auxiliary protection body is provided at the outer end of the second protection beam.

[0013] Preferably, the auxiliary protective body includes a fixed connection base, a fifth fixed threaded column, a first arc-shaped barrier column and a second arc-shaped barrier column. The fixed connection base is symmetrically distributed, and both ends of the first arc-shaped barrier column and the second arc-shaped barrier column are fixedly connected between the fixed connection base. The fixed connection base is fixedly mounted on the second side mounting plate through the fifth fixed threaded column.

[0014] Beneficial effects of the present invention:

[0015] 1. After the present invention fixes and installs the device through the fixed installation plate connected to the first protective beam, when the device is hit, the second protective beam first contacts the impact object. When the installation force is small, the first protective beam and the second protective beam on the device can play a sufficient blocking and protective role. The material of the device is aluminum alloy, which is light in weight and has high strength, making the device easy to install and use, and plays a good blocking and protective role in the event of impact. The auxiliary protective body is set up to make the front end of the device have better anti-collision performance, and the first arc-shaped barrier column and the second arc-shaped barrier column in the auxiliary protective body are set in an arc shape, so that the impact object can be pushed to both sides in the event of impact, which plays a better protective role, and the fixed connection base is easy to disassemble and replace through the fifth fixed threaded column.

[0016] 2. According to the present invention, when the intensity of the collision is very large, the second protective beam is instantly subjected to a large extrusion and impact force, causing the side limit baffle plate to deform and break, so that the baffle limit clamping column is quickly discharged from the clamping groove provided on the fixed connecting horizontal plate, and the locking plug plate is squeezed and broken, so that the fixed locking state between the first protective beam and the second protective beam is contacted, and each buffer adjustment spring compressed by the second protective beam and the second fixed mounting plate fixed on the second protective beam is instantly supported and rebounded, so that the second protective beam quickly produces a reaction force toward the side of the impactor, and each buffer adjustment spring that instantly breaks can instantly and fully play a buffering role. The function of the barrier enables the device to instantly have strong buffering and force-unloading barrier performance, which greatly improves the protection performance of the device. The locking state between the first protective beam and the second protective beam is completed before it is installed and fixed on the vehicle. By screwing each threaded adjustment rod, the threaded adjustment rod can be telescopically adjusted along the first limit card cover and the second limit card cover, and by squeezing the two ends of each buffer adjustment spring by squeezing the adjustment disk, the buffering and force-unloading performance and level of the device during instantaneous rebound can be adjusted and controlled, and each buffer adjustment spring can be conveniently removed from the first protective beam and the second protective beam or fixedly installed for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and examples.

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the main body of the present invention from the front perspective;

[0019] Figure 2 This is a schematic side view of the three-dimensional structure of the main body of the present invention;

[0020] Figure 3 Schematic diagram of the internal structure of the main body of the present invention;

[0021] Figure 4 This is a schematic diagram of the front end structure of the protective beam in the present invention;

[0022] Figure 5 Schematic diagram of the protective beam structure of the present invention;

[0023] Figure 6 This is a schematic diagram of the main buffer adjustment structure of the present invention;

[0024] Figure 7 Schematic diagram of the internal structure of the limit card cover in the present invention;

[0025] Figure 8 It is a schematic diagram of the structure of the two ends of the protective beam in the present invention;

[0026] Figure 9 This is a schematic diagram of the inner structure of the second protective beam in the present invention;

[0027] Figure 10 It is a schematic diagram of the auxiliary protection main structure in the present invention.

[0028] In the figure: 1-first protective beam, 2-fixed mounting hole, 3-fixed mounting plate, 4-first side mounting plate, 5-second side mounting plate, 6-second protective beam, 7-main buffer adjustment body, 8-auxiliary buffer adjustment body, 9-threaded fixing hole, 10-auxiliary jack, 11-main jack, 12-limiting card slot, 13-first fixed mounting plate, 14-first fixed threaded column, 15-first limiting card cover, 16-threaded adjustment rod, 18-second limiting card cover, 19-second fixed mounting plate, 20-buffer adjustment Section spring, 21-second fixed threaded column, 22-fixed connecting horizontal plate, 23-blocking limit card column, 24-locking plug plate, 25-third fixed threaded column, 26-extrusion adjustment disk, 27-fourth fixed threaded column, 28-fixed limit plate, 29-connection limit plate, 30-sliding impact adjustment block, 31-auxiliary protection body, 32-extrusion adjustment column, 33-side limit baffle plate, 34-first arc-shaped baffle column, 35-second arc-shaped baffle column, 36-fixed connection base, 37-fifth fixed threaded column. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0030] The present invention will be further described below with reference to the accompanying drawings.

[0031] Example 1

[0032] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, a subframe front crossbeam assembly for automobile engine compartment components of the present invention includes a first protective crossbeam 1, a fixed mounting hole 2, a fixed mounting plate 3, a first side mounting plate 4, a second side mounting plate 5, a second protective crossbeam 6 and a main buffer adjustment body 7. The second protective crossbeam 6 is arranged in front of the first protective crossbeam 1, the first side mounting plate 4 is fixedly connected to both ends of the first protective crossbeam 1, the second side mounting plate 5 is fixedly connected to both ends of the second protective crossbeam 6, the fixed mounting plate 3 is fixedly installed on both sides of the first protective crossbeam 1 and the second protective crossbeam 6, the fixed mounting holes 2 are evenly opened on the fixed mounting plate 3, and the main buffer adjustment body 7 is arranged on the first protective crossbeam 1 and the second protective crossbeam 6, the barrier protection performance of the device is improved by setting the first protective beam 1 and the second protective beam 6, and the middle of the first protective beam 1 and the second protective beam 6 is provided with an auxiliary buffer adjustment body 8, and the main sockets 11 are evenly penetrated at both ends of the first protective beam 1 and the second protective beam 6, and the middle of the first protective beam 1 and the second protective beam 6 is penetrated with an auxiliary socket 10, and threaded fixing holes 9 are provided around the auxiliary socket 10 and the main socket 11 and on the first protective beam 1 and the second protective beam 6, and a limiting slot 12 is penetrated on the first side mounting plate 4. The protection performance of the device is greatly improved by setting the auxiliary buffer adjustment body 8.

[0033] like Figure 6 and Figure 7As shown, the main buffer adjustment body 7 includes a first fixed mounting plate 13, a first fixed threaded column 14, a first limiting card cover 15, a threaded adjustment rod 16, a second limiting card cover 18, a second fixed mounting plate 19, a buffer adjustment spring 20 and an extrusion adjustment plate 26. The first fixed mounting plate 13 and the second fixed mounting plate 19 are mirror-symmetrically distributed. The first limiting card cover 15 and the second limiting card cover 18 are respectively and evenly fixed on the outer ends of the first fixed mounting plate 13 and the second fixed mounting plate 19. The threaded adjustment rod 16 is threadedly rotated and inserted into the inside of the first limiting card cover 15 and the second limiting card cover 18. The extrusion adjustment plate 26 is arranged on the first limiting card cover 15. And the inside of the second limit card cover 18, and the front end of the threaded adjustment rod 16 is rotated and clamped in the middle of the extrusion adjustment disk 26, the buffer adjustment spring 20 is evenly arranged between the first fixed mounting plate 13 and the second fixed mounting plate 19, and the two ends of the buffer adjustment spring 20 are respectively inserted into the inside of the first limit card cover 15 and the second limit card cover 18, the second protective beam 6 is instantly subjected to a large extrusion and impact force, and when the second protective beam 6 drives the second side mounting plate 5 to move backward instantly and quickly, the extrusion adjustment column 32 set at the rear end of the second side mounting plate 5 instantly and strongly squeezes the middle of the sliding impact adjustment block 30 set in the interactive clamping arrangement inside the limit card slot 12 The collision causes the side limit baffle plate 33 to deform and break, so that the barrier limit card column 23 is quickly discharged from the card slot provided on the fixed connecting cross plate 22, and the locking plug plate 24 is squeezed and broken, so that the fixed locking state between the first protective beam 1 and the second protective beam 6 is contacted. At this time, the buffer adjustment springs 20 compressed by the second protective beam 6 and the second fixed mounting plate 19 fixed on the second protective beam 6 are instantly supported and rebounded, so that the second protective beam 6 quickly produces a reaction force toward the side of the impactor, and the buffer adjustment springs 20 that collapse instantly can instantly and fully play the role of buffering and blocking, so that the device instantly has The strong buffering and force-unloading barrier performance greatly improves the protection performance of this equipment. The locking state between the first protective beam 1 and the second protective beam 6 is completed before it is installed and fixed on the vehicle. By screwing each threaded adjustment rod 16, the threaded adjustment rod 16 can be telescopically adjusted along the first limit card cover 15 and the second limit card cover 18, and the two ends of each buffer adjustment spring 20 are squeezed and adjusted by squeezing the adjustment disk 26. The performance and level of buffering and force unloading during instantaneous rebound of this equipment can be adjusted and controlled, and each buffer adjustment spring 20 can be easily removed from the first protective beam 1 and the second protective beam 6 or fixedly installed for use.

[0034] The upper end of the second side mounting plate 5 is fixedly mounted with a fixed connecting transverse plate 22 via a second fixed threaded column 21, and the inner end of the second side mounting plate 5 is fixedly mounted with an extrusion adjustment column 32, which plays a role of instantly squeezing and impacting the sliding impact adjustment block 30.

[0035] like Figure 8 and Figure 9 The locking plate 24 is slidably inserted on the second fixed threaded column 21, and the third fixed threaded column 25 is threadedly inserted on both ends of the locking plate 24 to limit the position of the blocking limit column 23. The locking plate 24 and the third fixed threaded column 25 play a role in limiting and adjusting the blocking limit column 23. The inner side of the sliding impact adjusting block 30 is evenly fixedly installed with a fixed limiting plate 28, and the two ends of the fixed limiting plate 28 are threadedly inserted with a fourth fixed threaded column 27. The side ends of the sliding impact adjusting block 30 are evenly fixedly installed with a connecting limiting plate 29. The upper end of the sliding impact adjusting block 30 is fixedly installed with a blocking limiting column 23. The blocking limiting column 23 is stuck in the slot set at the front end of the fixed connecting cross plate 22.

[0036] like Figure 8 and Figure 9 As shown, the side limit baffle plate 33 is fitted with the first side mounting plate 4 for baffle setting, the front end of the extrusion adjustment column 32 is located in the middle of the sliding impact adjustment block 30, the auxiliary buffer adjustment body 8 has the same structure as the main buffer adjustment body 7, the buffer adjustment spring 20 is located inside the main socket 11, the first fixed threaded column 14 is threadedly inserted into the threaded fixing hole 9, the middle of the extrusion adjustment disk 26 is in extrusion contact with the end of the buffer adjustment spring 20, and the buffer adjustment spring 20 can be squeezed and adjusted by the extrusion adjustment disk 26 to adjust the buffer protection and instantaneous unloading performance of the device.

[0037] The working principle of embodiment 1 is as follows: during use, the fixed mounting plate 3 fixedly connected to the first protective beam 1 and the second protective beam 6 and the fixed mounting hole 2 opened on the fixed mounting plate 3 can make the device convenient to be fixedly installed and used, and can also facilitate the fixed installation of other equipment parts on the device. After the device is fixedly installed by the fixed mounting plate 3 connected to the first protective beam 1, when the device is hit, the second protective beam 6 first contacts the impact object. When the installation force is small, the first protective beam 1 and the second protective beam 6 on the device can play a full role of isolation and protection. In addition, the material of the device is aluminum alloy, which is light in weight and has high strength, so that the device is easy to install and use, and plays a good role of isolation and protection in the event of impact or collision.

[0038] When the intensity of the collision is very large, the second protective beam 6 is instantly subjected to a large extrusion and impact force, and the second protective beam 6 drives the second side mounting plate 5 to move backward instantly and quickly. At this time, the extrusion adjustment column 32 set at the rear end of the second side mounting plate 5 instantly and strongly impacts the middle part of the sliding impact adjustment block 30 interactively connected inside the limit card slot 12, causing the side limit baffle plate 33 to deform and break, so that the baffle limit card column 23 is quickly discharged from the card slot set on the fixed connecting cross plate 22, and the locking plug plate 24 is squeezed and broken, so that the fixed locking state between the first protective beam 1 and the second protective beam 6 is contacted. At this time, the buffer adjustment springs 20 compressed by the second protective beam 6 and the second fixed mounting plate 19 fixed on the second protective beam 6 are instantly supported and rebounded, so that the second protective beam 6 moves towards the collision One side of the object quickly produces a reaction force, and each instantly collapsed buffer adjustment spring 20 can instantly and fully play the role of a buffer barrier, so that the device instantly has a strong buffer and force unloading barrier performance, which greatly improves the protection performance of the device. The locking state between the first protective beam 1 and the second protective beam 6 is completed before it is installed and fixed on the vehicle. By screwing each threaded adjustment rod 16, the threaded adjustment rod 16 can be telescopically adjusted along the first limit card cover 15 and the second limit card cover 18, and the two ends of each buffer adjustment spring 20 are squeezed and adjusted by squeezing the adjustment disk 26, which can adjust and control the buffering and force unloading performance and level of the device during instantaneous rebound, and each buffer adjustment spring 20 can be conveniently removed from the first protective beam 1 and the second protective beam 6 or fixedly installed for use.

[0039] Example 2

[0040] On the basis of Example 1, Figure 10 As shown, an auxiliary protective body 31 is provided at the outer end of the second protective beam 6. The auxiliary protective body 31 includes a fixed connection base 36, a fifth fixed threaded column 37, a first arc-shaped blocking column 34 and a second arc-shaped blocking column 35. The fixed connection base 36 is symmetrically distributed, and both ends of the first arc-shaped blocking column 34 and the second arc-shaped blocking column 35 are fixedly connected between the fixed connection base 36. The fixed connection base 36 is fixedly mounted on the second side mounting plate 5 through the fifth fixed threaded column 37.

[0041] When implementing this embodiment, the auxiliary protective body 31 is set up so that the front end of the device can have better anti-collision performance, and the first arc-shaped barrier column 34 and the second arc-shaped barrier column 35 in the auxiliary protective body 31 are set in an arc shape, so that the impacting object can be pushed to both sides during collision, thereby playing a better protective role, and the fixed connection base 36 is easy to disassemble and replace through the fifth fixed threaded column 37.

[0042] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A front crossbeam assembly of a subframe for automobile engine compartment components, comprising a first protective crossbeam (1), a fixed mounting hole (2), a fixed mounting plate (3), a first side mounting plate (4), a second side mounting plate (5), a second protective crossbeam (6) and a main buffer adjustment body (7), characterized in that: The second protective beam (6) is arranged in front of the first protective beam (1), the first side mounting plate (4) is fixedly connected to the two ends of the first protective beam (1), the second side mounting plate (5) is fixedly connected to the two ends of the second protective beam (6), the fixed mounting plate (3) is fixedly mounted on both sides of the first protective beam (1) and the second protective beam (6), the fixed mounting holes (2) are evenly opened on the fixed mounting plate (3), the main buffer adjustment body (7) is arranged between the two ends of the first protective beam (1) and the second protective beam (6), and the middle of the first protective beam (1) and the second protective beam (6) is provided with an auxiliary buffer adjustment body (8), main jacks (11) are evenly provided at both ends of the first protective beam (1) and the second protective beam (6), auxiliary jacks (10) are provided in the middle of the first protective beam (1) and the second protective beam (6), threaded fixing holes (9) are provided around the auxiliary jacks (10) and the main jacks (11) and on the first protective beam (1) and the second protective beam (6), and a limiting slot (12) is provided on the first side mounting plate (4), and the main buffer adjustment body (7) includes a first fixed mounting plate (13), a first fixed threaded column (14), a first limiting card cover (15), a threaded adjustment rod (16), a second limiting card cover (18 ... fixed threaded column (14), a first fixed threaded column (14), a first fixed threaded column (14), a first fixed threaded column (14), a first fixed threaded column (14), a first fixed threaded column (14), a first fixed threaded column (14), a first fixed threaded column (14 Two fixed mounting plates (19), a buffer adjustment spring (20) and an extrusion adjustment plate (26), the first fixed mounting plate (13) and the second fixed mounting plate (19) are distributed in a mirror-symmetrical manner, the first limit card cover (15) and the second limit card cover (18) are respectively and evenly fixedly mounted on the outer ends of the first fixed mounting plate (13) and the second fixed mounting plate (19), the threaded adjustment rod (16) is threadedly inserted into the interior of the first limit card cover (15) and the second limit card cover (18), the extrusion adjustment plate (26) is arranged inside the first limit card cover (15) and the second limit card cover (18), and the front end of the threaded adjustment rod (16) is rotatably engaged with the first limit card cover (15) and the second limit card cover (18). In the middle of the extrusion adjustment disk (26), the buffer adjustment spring (20) is evenly arranged between the first fixed mounting disk (13) and the second fixed mounting disk (19), and the two ends of the buffer adjustment spring (20) are respectively inserted into the inside of the first limit card cover (15) and the second limit card cover (18), the upper end of the second side mounting plate (5) is fixedly installed with a fixed connecting cross plate (22) through a second fixed threaded column (21), the inner side end of the second side mounting plate (5) is fixedly installed with an extrusion adjustment column (32), the inner side of the limit card slot (12) is slidably connected with a sliding impact adjustment block (30), and the inner side end of the first side mounting plate (4) is evenly fixedly installed with a fixed limit plate (28),The threads on both ends of the fixed limit plate (28) penetrate and are plugged with a fourth fixed threaded column (27), the side ends of the sliding impact adjustment block (30) are evenly fixedly installed with a connecting limit plate (29), and the upper end of the sliding impact adjustment block (30) is fixedly installed with a blocking limit column (23).

2. The subframe front cross member assembly for automobile engine compartment parts according to claim 1, characterized in that: The blocking limit clamping column (23) is clamped in the clamping groove provided at the front end of the fixed connecting transverse plate (22); a locking plug plate (24) is slidably inserted on the second fixed threaded column (21); third fixed threaded columns (25) are threadedly inserted at both ends of the locking plug plate (24); and a side limiting blocking plate (33) is evenly fixedly installed on the inner side of the sliding impact adjustment block (30).

3. The subframe front cross member assembly for automobile engine compartment parts according to claim 2, characterized in that: The side limiting baffle plate (33) is fitted with the first side mounting plate (4) to form a baffle, the front end of the extrusion adjustment column (32) is located in the middle of the sliding impact adjustment block (30), the auxiliary buffer adjustment body (8) has the same structure as the main buffer adjustment body (7), the buffer adjustment spring (20) is located inside the main insertion hole (11), the first fixed threaded column (14) is threadedly inserted into the threaded fixing hole (9), and the middle of the extrusion adjustment disk (26) is in extrusion contact with the end of the buffer adjustment spring (20).

4. The subframe front cross member assembly for automobile engine compartment parts according to claim 3, characterized in that: An auxiliary protection body (31) is provided at the outer end of the second protection beam (6).

5. The subframe front cross member assembly for automobile engine compartment parts according to claim 4, characterized in that: The auxiliary protection body (31) comprises a fixed connection base (36), a fifth fixed threaded column (37), a first arc-shaped blocking column (34) and a second arc-shaped blocking column (35); the fixed connection base (36) is symmetrically distributed; both ends of the first arc-shaped blocking column (34) and the second arc-shaped blocking column (35) are fixedly connected between the fixed connection base (36); and the fixed connection base (36) is fixedly mounted on the second side mounting plate (5) via the fifth fixed threaded column (37).

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