Lower cross beam assembly of engine

Abstract

The utility model provides an engine lower cross beam assembly which comprises a U-shaped lower cross beam, connecting supports are fixedly installed at the two ends of the U-shaped lower cross beam through bolts respectively, two reinforcing plates are evenly distributed and fixedly installed in the U-shaped lower cross beam, and the shape of the reinforcing plates is matched with that of the U-shaped lower cross beam. Fixing holes are uniformly formed in the two ends of the U-shaped lower cross beam and the two ends of the reinforcing plate; the connecting bracket is fixedly connected with the corresponding fixing holes in the U-shaped lower cross beam and the reinforcing plate through bolts; when a vehicle is collided, the strength of the connecting position of the U-shaped lower cross beam and the connecting support can be effectively improved, in this way, in the process that the vehicle is collided, an engine can be better supported, and therefore the stability and safety of the engine are guaranteed.

Description

Technical Field

[0001] The utility model belongs to the field of automobile accessories, and in particular relates to an engine lower crossbeam assembly. Background Art

[0002] The engine lower crossbeam assembly is an important part of the vehicle engine compartment. It is located below the engine and mainly supports the engine and is connected to the chassis components. This structure ensures the stability and safety of the engine and can effectively prevent the engine from being displaced or damaged due to vibration or impact during vehicle driving.

[0003] After searching, it is found that Chinese patent number CN 218316918 U discloses an engine lower cross beam assembly and a heavy-duty vehicle, including a left combined bracket, an engine lower cross beam and a right combined bracket, wherein the engine lower cross beam is U-shaped, and the two ends of the engine lower cross beam are respectively mounted on the left combined bracket and the right combined bracket by fasteners. The utility model designs left and right combined brackets for mounting the engine lower cross beam, thereby reducing the left and right mounting point positions of the engine lower cross beam, reducing the bending angle, and improving the strength of the engine lower cross beam. Compared with the traditional round tube beam, the utility model adopts a U-shaped engine lower cross beam, which is simple in structure and light in weight.

[0004] However, the connection point between the combined bracket and the engine lower cross beam of the above-mentioned engine lower cross beam assembly and heavy-duty vehicle is relatively thin, so that the overall impact resistance is reduced, thereby affecting the safety of the engine.

[0005] Therefore, it is very necessary to invent a kind of engine lower cross beam assembly. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a technical solution adopted by an engine lower cross beam assembly: an engine lower cross beam assembly, comprising a U-shaped lower cross beam, wherein: connecting brackets are fixedly installed at both ends of the U-shaped lower cross beam by bolts, and two reinforcing plates are evenly fixedly installed inside the U-shaped lower cross beam, the shape of the reinforcing plates matches the shape of the U-shaped lower cross beam, and fixing holes are evenly opened at both ends of the U-shaped lower cross beam and the reinforcing plates; the connecting bracket is fixedly connected to the corresponding fixing holes on the U-shaped lower cross beam and the reinforcing plates by bolts;

[0007] Preferably, two U-shaped reinforcement plates are evenly and fixedly installed on one side of the connecting bracket, and the two U-shaped reinforcement plates are arranged in a mirror-image position with the connecting bracket as the center, and two lower cross beam mounting holes are evenly distributed and penetrated on the U-shaped reinforcement plate; the U-shaped reinforcement plate is inserted between the corresponding reinforcement plate and the U-shaped lower cross beam side plate; the position of the lower cross beam mounting hole corresponds to the position of the fixing hole; the bolt is fixedly installed in the corresponding lower cross beam mounting hole and the corresponding fixing hole, and one end of the bolt with a nut is inside the U-shaped lower cross beam.

[0008] Preferably, a plurality of weight-reducing holes 2 are evenly distributed through the sides of the U-shaped lower cross beam and the reinforcing plate, and a plurality of reinforcing plates 2 are fixedly installed at the bending parts at both ends of the U-shaped lower cross beam and the reinforcing plate, and the reinforcing plates 2 are arranged vertically between the U-shaped lower cross beam and the reinforcing plate.

[0009] Preferably, a plurality of weight-reducing holes are evenly distributed through the upper surface of the U-shaped lower cross beam, and the weight-reducing holes and the reinforcing plates are alternately arranged.

[0010] Preferably, the connecting bracket is evenly distributed with a plurality of fixing holes 2 for connecting to the vehicle body, and a frame lower wing surface connecting platform is fixedly installed on one side of the connecting bracket, and the frame lower wing surface connecting platform is above the U-shaped reinforcement plate; a leaf spring mounting hole is opened at the bottom of the connecting bracket, and a weight reduction hole 3 is opened at the center of the connecting bracket; the two U-shaped reinforcement plates are located on both sides of the weight reduction hole 3, and the two U-shaped reinforcement plates are arranged in a mirror image position with the weight reduction hole 3 as the center.

[0011] Preferably, both ends of the frame lower wing surface connecting platform are respectively penetrated by a frame lower wing surface mounting hole.

[0012] Compared with the prior art, the advantages of the utility model are:

[0013] The overall arrangement of the utility model can effectively improve the strength of the connection between the U-shaped lower cross beam and the connecting bracket when the vehicle collides, so that the vehicle can better support the engine during the collision, thereby ensuring the stability and safety of the engine. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the explosion structure of the utility model.

[0015] Figure 2 The utility model is a schematic diagram of the U-shaped lower cross beam, the reinforcing plate and the reinforcing plate two structures.

[0016] Figure 3 It is a schematic diagram of the connecting bracket structure of the utility model.

[0017] Figure 4It is a schematic diagram of the overall structure of the utility model.

[0018] In the figure:

[0019] U-shaped lower cross beam 1, reinforcement plate 2, fixing hole 3, connecting bracket 4, fixing hole 2 41, frame lower wing surface connecting platform 42, frame lower wing surface mounting hole 43, leaf spring mounting hole 44, U-shaped reinforcement plate 45, lower cross beam mounting hole 46, weight reduction hole 3 47, bolt 5, weight reduction hole 6, weight reduction hole 2 7, reinforcement plate 2 8. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0021] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply 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 utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0022] The utility model is further described below in conjunction with the accompanying drawings:

[0023] Embodiment 1

[0024] Reference Figure 1-4, an engine lower cross beam assembly, including a U-shaped lower cross beam 1, wherein: connecting brackets 4 are fixedly installed at both ends of the U-shaped lower cross beam 1 by bolts 5, so that the U-shaped lower cross beam 1 and the connecting bracket 4 can be disassembled and assembled, and two reinforcing plates 2 are evenly fixedly installed inside the U-shaped lower cross beam 1. Through the arrangement of the reinforcing plates 2, not only the strength of the U-shaped lower cross beam 1 can be improved, but also the strength of the connection between the U-shaped lower cross beam 1 and the connecting bracket 4 can be improved. The shape of the reinforcing plates 2 matches the shape of the U-shaped lower cross beam 1, and the two ends of the U-shaped lower cross beam 1 and the reinforcing plates 2 are evenly opened with fixing holes 3; the connecting bracket 4 is fixedly connected to the corresponding fixing holes 3 on the U-shaped lower cross beam 1 and the reinforcing plates 2 by bolts 5;

[0025] like Figure 4 As shown, two U-shaped reinforcing plates 45 are evenly and fixedly installed on one side of the connecting bracket 4. Through the setting of the U-shaped reinforcing plates 45, the strength of the connection between the connecting bracket 4 and the U-shaped lower cross beam 1 and the reinforcing plate 2 can be further improved, and the two U-shaped reinforcing plates 45 are arranged in a mirror image position with the connecting bracket 4 as the center, and two lower cross beam mounting holes 46 are evenly distributed and penetrated on the U-shaped reinforcing plate 45; the U-shaped reinforcing plate 45 is inserted between the corresponding reinforcing plate 2 and the side plate of the U-shaped lower cross beam 1; the position of the lower cross beam mounting hole 46 corresponds to the position of the fixing hole 3; the bolt 5 is fixedly installed in the corresponding lower cross beam mounting hole 46 and the corresponding fixing hole 3, and the end of the bolt 5 with the nut is inside the U-shaped lower cross beam 1.

[0026] like Figure 1 and Figure 2 As shown, a plurality of weight-reducing holes 7 are evenly distributed through the side surfaces of the U-shaped lower cross beam 1 and the reinforcing plate 2 to reduce the weight of the U-shaped lower cross beam 1 and the reinforcing plate 2, and a plurality of reinforcing plates 8 are fixedly installed at the bending parts at both ends of the U-shaped lower cross beam 1 and the reinforcing plate 2. By setting the reinforcing plates 8, the strength of the bending parts at both ends of the U-shaped lower cross beam 1 and the reinforcing plate 2 can be improved, and the reinforcing plates 8 are vertically set between the U-shaped lower cross beam 1 and the reinforcing plate 2.

[0027] like Figure 1 , Figure 2 and Figure 3 As shown, a plurality of weight-reducing holes 6 are evenly distributed through the upper surface of the U-shaped lower cross beam 1 to further reduce the weight of the U-shaped lower cross beam 1 , and the weight-reducing holes 6 and the reinforcing plates 2 are alternately arranged.

[0028] like Figure 1 , Figure 3 and Figure 4As shown, the connecting bracket 4 is evenly penetrated with a plurality of fixing holes 41 for connecting with the vehicle body, and a frame lower wing surface connecting platform 42 is fixedly installed on one side of the connecting bracket 4, and the frame lower wing surface connecting platform 42 is located above the U-shaped reinforcing plate 45; a leaf spring mounting hole 44 is provided below the connecting bracket 4, and a weight reduction hole 3 47 is penetrated at the center of the connecting bracket 4. Through the setting of the weight reduction hole 3 47, the weight of the connecting bracket 4 can be reduced, and the bolt 5 can be easily disassembled and assembled; the two U-shaped reinforcing plates 45 are located on both sides of the weight reduction hole 3 47, and the two U-shaped reinforcing plates 45 are arranged in a mirrored position with the weight reduction hole 3 47 as the center; the two ends of the frame lower wing surface connecting platform 42 are penetrated with a frame lower wing surface mounting hole 43.

[0029] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. An engine lower crossbeam assembly, characterized in that: The invention comprises a U-shaped lower cross beam (1), wherein: a connecting bracket (4) is fixedly installed at each end of the U-shaped lower cross beam (1) by means of bolts (5), and two reinforcing plates (2) are evenly fixedly installed inside the U-shaped lower cross beam (1), and fixing holes (3) are evenly opened at each end of the U-shaped lower cross beam (1) and the reinforcing plates (2); and the connecting bracket (4) is fixedly connected to the corresponding fixing holes (3) on the U-shaped lower cross beam (1) and the reinforcing plates (2) by means of bolts (5); Two U-shaped reinforcing plates (45) are evenly and fixedly installed on one side of the connecting bracket (4), and two lower beam mounting holes (46) are evenly and pierced through the U-shaped reinforcing plate (45); the U-shaped reinforcing plate (45) is inserted between the corresponding reinforcing plate (2) and the side plate of the U-shaped lower beam (1); the bolt (5) is fixedly installed in the corresponding lower beam mounting hole (46) and the corresponding fixing hole (3), and one end of the bolt (5) with a nut is located inside the U-shaped lower beam (1).

2. An engine lower cross beam assembly as claimed in claim 1, characterized in that: A plurality of weight-reducing holes (7) are evenly distributed and penetrated on the side surfaces of the U-shaped lower cross beam (1) and the reinforcing plate (2), and a plurality of reinforcing plates (8) are fixedly installed at the bending parts at both ends of the U-shaped lower cross beam (1) and the reinforcing plate (2).

3. An engine lower cross beam assembly as claimed in claim 2, characterized in that: A plurality of weight-reducing holes (6) are evenly distributed and penetrated through the upper surface of the U-shaped lower cross beam (1).

4. The engine lower cross beam assembly according to claim 1, characterized in that: The connecting bracket (4) is evenly distributed with a plurality of fixing holes (41) for connecting with the vehicle body, and a frame lower wing surface connecting platform (42) is fixedly installed on one side of the connecting bracket (4), and the frame lower wing surface connecting platform (42) is located above the U-shaped reinforcing plate (45); a leaf spring mounting hole (44) is opened below the connecting bracket (4), and a weight reduction hole (47) is opened at the center of the connecting bracket (4); and the two U-shaped reinforcing plates (45) are located on both sides of the weight reduction hole (47).

5. An engine lower cross beam assembly as claimed in claim 4, characterized in that: Both ends of the vehicle frame lower wing surface connection platform (42) are respectively penetrated by a vehicle frame lower wing surface mounting hole (43).

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