Front lower protection device of commercial vehicle

By using the "7" shape mounting plate and reinforcement rib design in the front lower protection device of commercial vehicles, the connection strength between the beam body and the frame is enhanced, the problem of insufficient connection strength in the existing technology is solved, and the protection effect is significantly improved .

CN222360932UActive Publication Date: 2025-01-17DONGFENG XINJIANG AUTOMOBILE
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Patent Information

Application Number
CN202421262241.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-01-17
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

The connection strength of the existing commercial vehicle downward protection device is insufficient, resulting in poor protection effect during collisions and bumps during driving.

Method used

Design of commercial vehicle front-front protection device including beam body, connecting mechanism and reinforcement components. By setting up a "7" shaped mounting plate, reinforcement rib and connecting block, the connection strength between the beam body and the frame is enhanced to ensure effective transmission of impact force and Carry.

Benefits of technology

It improves the load-bearing strength and transmission effect of the vehicle during bumps and lateral impact, enhances the protection effect, and avoids poor transmission effect caused by insufficient connection of single-layer boards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a front lower protection device of a commercial vehicle, and belongs to the technical field of front lower protection, the front lower protection device of the commercial vehicle comprises a connecting mechanism, and the connecting mechanism is used for connecting a beam body with a vehicle body; the connecting mechanism comprises a mounting plate attached to the side wall of the beam body in a 7-shaped mode, a first connecting plate arranged on the mounting plate and used for pressing the mounting plate, a second connecting plate arranged on one side of the first connecting plate and used for being connected with the side face of the vehicle frame, and a connecting block perpendicularly connected to the second connecting plate and connected with the bottom face of the vehicle frame. The reinforcing assembly comprises a first reinforcing rib arranged between the mounting plate and the first connecting plate, a second reinforcing rib arranged between the second connecting plate and the mounting plate, and a third reinforcing rib arranged between the connecting block and the second connecting plate; the stress load strength of the first connecting plate, the second connecting plate and the connecting block can be improved through the first reinforcing rib, the second reinforcing rib and the third reinforcing rib.
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Description

Technical Field

[0001] The present application relates to the technical field of front lower protection, and in particular to a front lower protection device for a commercial vehicle. Background Art

[0002] Commercial vehicles are vehicles used to transport people and goods. Commercial vehicles include all trucks and passenger cars with more than nine seats. They are divided into five categories: buses, trucks, semi-trailer tractors, incomplete bus vehicles and incomplete truck vehicles. In the entire industry media, the concept of commercial vehicles is mainly defined based on their own different uses, and commercial vehicles are usually divided into two categories: buses and trucks.

[0003] In the existing commercial vehicle front lower protection device, the protection beam is usually installed only by connecting single-layer plates. When the vehicle is driving, some collisions and bumps are inevitable. The connection strength of the single-layer plates is insufficient, and the protection effect cannot meet the expectations. Summary of the invention

[0004] The embodiment of the present application provides a front lower protection device for a commercial vehicle to solve the problem in the related art that the existing vehicles may experience some collisions and bumps during driving, the connection strength between the front lower protection and the frame is insufficient, and the protection effect is poor.

[0005] The embodiment of the present application provides a front lower protection device for a commercial vehicle, comprising:

[0006] A beam assembly, wherein the beam assembly mechanism comprises a beam and two pedals respectively arranged on both sides of the beam;

[0007] A connecting mechanism, the connecting mechanism is used to connect the beam body with the vehicle body, the connecting mechanism includes a mounting plate in a "7" shape attached to the side wall of the beam body, a first connecting plate arranged on the mounting plate for pressing the mounting plate, a second connecting plate arranged on one side of the first connecting plate for connecting to the side surface of the vehicle frame, and a connecting block vertically connected to the second connecting plate and connected to the bottom surface of the vehicle frame;

[0008] A reinforcing assembly includes a first reinforcing rib arranged between the mounting plate and the first connecting plate, a second reinforcing rib arranged between the second connecting plate and the mounting plate, and a third reinforcing rib arranged between the connecting block and the second connecting plate.

[0009] In some embodiments, the mounting plate includes a first horizontal plate and a first vertical plate vertically connected to the first horizontal plate;

[0010] The first transverse plate is connected to the top of the beam body in parallel, and the first vertical plate is connected to the side wall of the beam body in parallel.

[0011] In some embodiments, the vertical cross section of the first connecting plate is in a "7" shape and is stacked on the mounting plate, and the first connecting plate includes a second horizontal plate and a second vertical plate vertically arranged on the second horizontal plate;

[0012] The second horizontal plate is perpendicular to the first horizontal plate;

[0013] The second vertical plate is perpendicular to the first vertical plate.

[0014] In some embodiments, two sides of the first connecting plate are bent toward a side away from the second connecting plate to form flanges, and a transverse cross-section of the first connecting plate is U-shaped.

[0015] In some embodiments, a first connection hole is formed on the first connection plate;

[0016] The second connecting plate is provided with a second connecting hole corresponding to the first connecting hole.

[0017] In some embodiments, a clamping plate is disposed on a side of the second connecting plate away from the first connecting plate, and the clamping plate and the second connecting plate are parallel to each other.

[0018] In some embodiments, the card board is in a "7" shape, and the card board includes a third horizontal board and a third vertical board vertically connected to the third horizontal board;

[0019] The third vertical plate is arranged side by side with the second horizontal plate, and the second connecting plate of the third horizontal plate is located at one end away from the first connecting plate.

[0020] In some embodiments, a first fixing plate is provided on the beam body;

[0021] A second fixing plate is arranged between the pedal and the first fixing plate;

[0022] A sleeve assembly is arranged between the pedal and the second fixing plate.

[0023] In some embodiments, the sleeve assembly includes a sleeve disposed on the pedal and a connecting pipe disposed on the second fixing plate and plugged with the sleeve.

[0024] In some embodiments, the second fixing plate is connected to the first fixing plate by bolts.

[0025] The beneficial effects of the technical solution provided by this application include:

[0026] When the frame is bumped, the connecting block is subjected to the impact force of the bottom of the frame. The force on the connecting block is loaded through the third reinforcing rib, so that the bearing strength of the connecting block is enhanced, and the impact force is transmitted to the second connecting plate through the third reinforcing rib, and the first connecting plate connected to the second connecting plate is subjected to the force together, so that the force strength of the connecting block against the downward pressure is increased again, and finally transmitted to the mounting plate, and then transmitted from the mounting plate to the beam body.

[0027] When the vehicle frame is bumped and the first connecting plate and the second connecting plate are impacted laterally by the vehicle frame, the first reinforcing ribs and the second reinforcing ribs load the lateral impact of the first connecting plate and the second connecting plate, so that the bearing strength of the first connecting plate and the second connecting plate is enhanced, and the lateral impact is transmitted to the beam body through the first reinforcing ribs and the second reinforcing ribs, thereby avoiding the situation where the impact of the first connecting plate and the second connecting plate can only be buffered by themselves without the first reinforcing ribs and the second reinforcing ribs, resulting in poor transmission effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 An assembly diagram provided for an embodiment of the present application;

[0030] Figure 2 A first explosion schematic diagram provided in an embodiment of the present application;

[0031] Figure 3 This is a second explosion diagram provided in an embodiment of the present application.

[0032] 1. Mounting plate; 11. First horizontal plate; 12. First vertical plate; 2. First reinforcing rib; 3. First connecting plate; 31. Second horizontal plate; 32. Second vertical plate; 33. Flanging; 4. Second connecting plate; 41. Second connecting hole; 34. First connecting hole; 5. Second reinforcing rib; 6. Connecting block; 7. Third reinforcing rib; 8. Second fixing plate; 81. Connecting pipe; 9. Pedal; 91. Sleeve; 10. Cardboard; 101. Third horizontal plate; 102. Third vertical plate; 13. Beam; 14. First fixing plate. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0034] The embodiment of the present application provides a front lower protection device for a commercial vehicle, which can solve the problems that existing vehicles may experience some collisions and bumps during driving, the connection strength between the front lower protection and the frame is insufficient, and the protection effect is poor.

[0035] See also Figure 1-3 As shown, the embodiment of the present application provides a front lower protection device for a commercial vehicle, comprising:

[0036] The beam assembly includes a beam 13 and two pedals 9 respectively arranged on both sides of the beam 13 .

[0037] The connecting mechanism is used to connect the beam body 13 with the vehicle body. The connecting mechanism includes a mounting plate 1 in the shape of a "7" and affixed to the side wall of the beam body 13, a first connecting plate 3 arranged on the mounting plate 1 for pressing the mounting plate 1, a second connecting plate 4 arranged on one side of the first connecting plate 3 for connecting to the side surface of the frame, and a connecting block 6 vertically connected to the second connecting plate 4 and connected to the bottom surface of the frame.

[0038] The reinforcement assembly includes a first reinforcement rib 2 arranged between the mounting plate 1 and the first connecting plate 3, a second reinforcement rib 5 arranged between the second connecting plate 4 and the mounting plate 1, and a third reinforcement rib 7 arranged between the connecting block 6 and the second connecting plate 4.

[0039] The mounting plate 1 is fixed on the beam body 13, the first connecting plate 3 is welded to the mounting plate 1, the portion of the first connecting plate 3 overlapping with the second connecting plate 4 is connected by bolts, a connecting block 6 is welded on the side of the second connecting plate 4 away from the first connecting plate 3, bolt holes are provided on the connecting block 6, so that the connecting block 6 is connected to the bottom surface of the frame by bolts, and the portion of the second connecting plate 4 that does not overlap with the first connecting plate 3 is connected to the side of the frame by bolts.

[0040] Among them, the first reinforcing rib 2, the second reinforcing rib 5 and the third reinforcing rib 7 are triangular plates.

[0041] When the frame is bumped, the connecting block 6 is subjected to the impact force of the bottom of the frame. The force on the connecting block 6 is loaded through the third reinforcing rib 7, so that the bearing strength of the connecting block 6 is enhanced, and the impact force is transmitted to the second connecting plate 4 through the third reinforcing rib 7, and the first connecting plate 3 connected to the second connecting plate 4 is subjected to the force together, so that the force strength of the connecting block 6 against the downward pressure is increased again, and finally transmitted to the mounting plate 1, and then transmitted from the mounting plate 1 to the beam body 13.

[0042] When the vehicle frame is bumped and the first connecting plate 3 and the second connecting plate 4 are subjected to a lateral impact from the vehicle frame, the first reinforcing ribs 2 and the second reinforcing ribs 5 bear the lateral impact of the first connecting plate 3 and the second connecting plate 4, thereby enhancing the bearing strength of the first connecting plate 3 and the second connecting plate 4, and transmitting the lateral impact to the beam body 13 through the first reinforcing ribs 2 and the second reinforcing ribs 5, thereby avoiding the situation where the impact of the first connecting plate 3 and the second connecting plate 4 can only be buffered by themselves due to the lack of the first reinforcing ribs 2 and the second reinforcing ribs 5, resulting in a poor transmission effect.

[0043] In some optional embodiments, see Figure 1-3 As shown, in the commercial vehicle front lower protection device, the mounting plate 1 includes a first transverse plate 11 and a first vertical plate 12 vertically connected to the first transverse plate 11 , the first transverse plate 11 is connected in parallel to the top of the beam body 13 , and the first vertical plate 12 is connected in parallel to the side wall of the beam body 13 .

[0044] The first horizontal plate 11 of the mounting plate 1 is parallel to the beam body 13 and is welded to the top of the beam body 13. The first vertical plate 12 is welded to the inner wall of the beam body 13 so that the mounting plate 1 is integrated with the beam body 13 to improve the transmission efficiency of the impact force.

[0045] In some optional embodiments, see Figure 1-3 As shown, in the front lower protection device of the commercial vehicle, the vertical section of the first connecting plate 3 is in the shape of "7" and is stacked on the mounting plate 1. The first connecting plate 3 includes a second transverse plate 31 and a second vertical plate 32 vertically arranged on the second transverse plate 31. The second transverse plate 31 is perpendicular to the first transverse plate 11, and the second vertical plate 32 is perpendicular to the first vertical plate 12.

[0046] The first connecting plate 3 is welded to the mounting plate 1 , the second transverse plate 31 and the first transverse plate 11 are welded perpendicularly to each other, and the second vertical plate 32 and the first vertical plate 12 are welded perpendicularly to each other, so that the first connecting plate 3 and the mounting plate 1 are integrated.

[0047] In some optional embodiments, see Figure 1-3 As shown, in the commercial vehicle front lower protection device, both sides of the first connecting plate 3 are bent toward the side away from the second connecting plate 4 to form flanges 33, and the transverse cross section of the first connecting plate 3 is U-shaped.

[0048] The flange 33 is provided to strengthen the load strength of the first connecting plate 3 and is connected to the first reinforcing rib 2 . When the first connecting plate 3 is impacted from the side away from the flange 33 , the flange 33 supports the first connecting plate 3 and transmits the impact force to the beam body 13 .

[0049] In some optional embodiments, see Figure 1-3 As shown, in the front lower protection device of the commercial vehicle, a first connecting plate 3 is provided with a first connecting hole 34, and a second connecting plate 4 is provided with a second connecting hole 41 corresponding to the first connecting hole 34. The first connecting plate 3 and the second connecting plate 4 are connected and fixed by bolts passing through the first connecting hole 34 and the second connecting hole 41, and are welded to the mounting plate 1, and can also be connected to the vehicle frame by using the first connecting hole 34 and the second connecting hole 41.

[0050] In some optional embodiments, see Figure 1-3 As shown, in the front lower protection device of the commercial vehicle, a card plate 10 is arranged on the side of the second connecting plate 4 away from the first connecting plate 3, the card plate 10 and the second connecting plate 4 are parallel to each other, the card plate 10 is in a "7" shape, the card plate 10 includes a third transverse plate 101 and a third vertical plate 102 vertically connected to the third transverse plate 101, the third vertical plate 102 is arranged side by side with the second transverse plate 31, and the third transverse plate 101 is at one end of the second connecting plate 4 away from the first connecting plate 3.

[0051] The card plate 10 is used to strengthen the stress strength of the second connecting plate 4, and also strengthens the connection strength between the second connecting plate 4 and the side of the frame, so that the second connecting plate 4 is connected to the card plate 10 and the side of the frame. The card plate 10 and the second connecting plate 4 are connected by bolts, and the third vertical plate 102 is welded to the mounting plate 1.

[0052] In some optional embodiments, see Figure 1 As shown, in the commercial vehicle front lower protection device, a first fixing plate 14 is arranged on the beam body 13, a second fixing plate 8 is arranged between the pedal 9 and the first fixing plate 14, and a sleeve assembly is arranged between the pedal 9 and the second fixing plate 8.

[0053] In this embodiment, the sleeve assembly includes a sleeve 91 provided on the pedal 9 and a connecting pipe 81 provided on the second fixing plate 8 and plugged with the sleeve 91 .

[0054] In this embodiment, the second fixing plate 8 and the first fixing plate 14 are connected by bolts.

[0055] The pedal 9 and the beam body 13 can be connected by bolting the first fixing plate 14 and the second fixing plate 8, and the first fixing plate 14 is provided with a plurality of bolt holes arranged at equal intervals along its length direction, so that the pedal 9 can be installed at different positions on the first fixing plate 14 along with the second fixing plate 8, so that the left and right positions of the pedal 9 can be adjusted according to actual usage requirements.

[0056] The sleeve 91 can be preferably a square tube, which can improve the stability of the pedal 9 so that the pedal 9 can remain horizontal and will not flip over. Secondly, the pedal 9 can be plugged in and fixed with bolts so that the pedal 9 can be freely disassembled and replaced as needed.

[0057] Working principle and process of this application:

[0058] When the frame is bumped, the connecting block 6 is subjected to the impact force of the bottom of the frame. The force on the connecting block 6 is loaded through the third reinforcing rib 7, so that the bearing strength of the connecting block 6 is enhanced, and the impact force is transmitted to the second connecting plate 4 through the third reinforcing rib 7, and the first connecting plate 3 connected to the second connecting plate 4 is subjected to the force together, so that the force strength of the connecting block 6 against the downward pressure is increased again, and finally transmitted to the mounting plate 1, and then transmitted from the mounting plate 1 to the beam body 13.

[0059] When the vehicle frame is bumped and the first connecting plate 3 and the second connecting plate 4 are subjected to a lateral impact from the vehicle frame, the first reinforcing ribs 2 and the second reinforcing ribs 5 bear the lateral impact of the first connecting plate 3 and the second connecting plate 4, thereby enhancing the bearing strength of the first connecting plate 3 and the second connecting plate 4, and transmitting the lateral impact to the beam body 13 through the first reinforcing ribs 2 and the second reinforcing ribs 5, thereby avoiding the situation where the impact of the first connecting plate 3 and the second connecting plate 4 can only be buffered by themselves due to the lack of the first reinforcing ribs 2 and the second reinforcing ribs 5, resulting in a poor transmission effect.

[0060] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0061] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

[0062] The above description is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.

Claims

1. A front lower protection device for a commercial vehicle, characterized in that: include: A beam assembly, wherein the beam assembly mechanism comprises a beam (13) and two pedals (9) respectively arranged on both sides of the beam (13); A connecting mechanism, the connecting mechanism is used to connect the beam body (13) with the vehicle body, the connecting mechanism comprises a mounting plate (1) in a "7" shape attached to the side wall of the beam body (13), a first connecting plate (3) arranged on the mounting plate (1) for pressing the mounting plate (1), a second connecting plate (4) arranged on one side of the first connecting plate (3) for connecting to the side surface of the vehicle frame, and a connecting block (6) vertically connected to the second connecting plate (4) and connected to the bottom surface of the vehicle frame; A reinforcing assembly, comprising a first reinforcing rib (2) arranged between a mounting plate (1) and a first connecting plate (3), a second reinforcing rib (5) arranged between a second connecting plate (4) and the mounting plate (1), and a third reinforcing rib (7) arranged between a connecting block (6) and the second connecting plate (4).

2. The commercial vehicle front lower protection device according to claim 1, characterized in that: The mounting plate (1) comprises a first transverse plate (11) and a first vertical plate (12) vertically connected to the first transverse plate (11); The first transverse plate (11) is connected in parallel to the top of the beam body (13), and the first vertical plate (12) is connected in parallel to the side wall of the beam body (13).

3. The commercial vehicle front lower protection device according to claim 2, characterized in that: The vertical cross section of the first connecting plate (3) is in the shape of a "7" and is stacked on the mounting plate (1). The first connecting plate (3) comprises a second transverse plate (31) and a second vertical plate (32) vertically arranged on the second transverse plate (31); The second transverse plate (31) and the first transverse plate (11) are perpendicular to each other; The second vertical plate (32) and the first vertical plate (12) are perpendicular to each other.

4. The commercial vehicle front lower protection device according to claim 1, characterized in that: Both sides of the first connecting plate (3) are bent toward a side away from the second connecting plate (4) to form flanges (33); the transverse cross section of the first connecting plate (3) is U-shaped.

5. The commercial vehicle front lower protection device according to claim 1, characterized in that: The first connecting plate (3) is provided with a first connecting hole (34); The second connecting plate (4) is provided with a second connecting hole (41) corresponding to the first connecting hole (34).

6. The commercial vehicle front lower protection device according to claim 1, characterized in that: A clamping plate (10) is provided on a side of the second connecting plate (4) away from the first connecting plate (3), and the clamping plate (10) and the second connecting plate (4) are parallel to each other.

7. The commercial vehicle front lower protection device according to claim 6, characterized in that: The card plate (10) is in the shape of a letter "7", and comprises a third transverse plate (101) and a third vertical plate (102) vertically connected to the third transverse plate (101); The third vertical plate (102) and the second horizontal plate (31) are arranged side by side, and the second connecting plate (4) of the third horizontal plate (101) is located at one end away from the first connecting plate (3).

8. The commercial vehicle front lower protection device according to claim 1, characterized in that: A first fixing plate (14) is provided on the beam body (13); A second fixing plate (8) is arranged between the pedal (9) and the first fixing plate (14); A sleeve assembly is provided between the pedal (9) and the second fixing plate (8).

9. The commercial vehicle front lower protection device according to claim 8, characterized in that: The sleeve assembly comprises a sleeve (91) arranged on the pedal (9) and a connecting pipe (81) arranged on the second fixing plate (8) and plugged with the sleeve (91).

10. The commercial vehicle front lower protection device according to claim 8, characterized in that: The second fixing plate (8) and the first fixing plate (14) are connected via bolts.