CN209757250U - Left longitudinal beam middle front section assembly - Google Patents

Abstract

The utility model discloses a left longitudinal beam middle front section assembly, which belongs to the field of auto parts, and comprises a body, wherein a strip reinforcing rib is fixedly welded at the middle position on the bottom plate of the upper surface of the body, the rear side of the upper surface of the body is provided with a abdicating cambered surface, both sides of the upper surface of the body are provided with side plates, the upper surface of each side plate is provided with an abdicating notch, both sides of the abdicating notch are provided with body mounting holes, the bottom plate of the upper surface of the body is fixedly welded with an arc convex rib, the rear side of the upper surface of the body is provided with a fabrication hole, the inner side surface of the fabrication hole is fixedly welded with a first reinforcing plate, both ends of the inner side surface of each side plate are fixedly welded with a supporting frame, the outer side edge of the supporting frame is provided with a reinforcing edge, the inner surface of the supporting frame is provided with a suspension nut, thus the convenience and the, effectively reducing the cost.

Description

Left longitudinal beam middle front section assembly

Technical Field

The utility model relates to an auto-parts field, more specifically say, relate to a anterior segment assembly in left longeron.

Background

The front section assembly in the automobile left longitudinal beam is mainly applied to the longitudinal beam part of an automobile and is used for bearing the weight of the whole automobile body, and particularly for the automobile in comparison of the automobile body and an engine, the structural strength and the stability of the automobile left longitudinal beam are particularly important.

The front end assembly in the traditional left longitudinal beam of the automobile adopts an integrally formed structure, so that the forming structure is complex, the precision is poor, the integral strength is not good enough, the assembly and the assembly with other automobile parts are not convenient, the production and processing cost is increased, the integral assembly and the production of the automobile are influenced, and the structure of the assembly and the production is required to be further improved.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an anterior segment assembly in left longeron through components of a whole that can function independently welded structural style, can process each part in batches, effectively raises the efficiency, simplifies structural style simultaneously, does benefit to processing, and the precision is high, simultaneously through welding first reinforcing plate and second reinforcing plate, combines bottom welded sub vehicle frame assembly, effectively improves overall structure intensity, can improve the convenience and the high efficiency of production and processing greatly like this, effective reduce cost.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a forepart assembly in left longeron, includes the body, the fixed welding of intermediate position has rectangular strengthening rib on the upper surface bottom plate of body, the upper surface rear side of body is equipped with the cambered surface of stepping down, the upper surface both sides of body all are equipped with the curb plate, the upper surface of curb plate is equipped with the breach of stepping down, the both sides of breach of stepping down all are equipped with the body mounting hole, fixed welding has the protruding muscle of arc on the upper surface bottom plate of body, the upper surface floor rear side of body is formed with the fabrication hole, the inboard fixed surface welding of fabrication hole has first reinforcing plate, the equal fixed welding in inboard surface both ends of curb plate has the support frame, the outside edge of support frame is equipped with the reinforcing bar, the inside surface of support frame is equipped with the suspension nut, the suspension nut is located the inboard upper surface of curb plate.

Further, the inboard fixed surface welding of cambered surface of stepping down has the second reinforcing plate, the front side surface of second reinforcing plate is equipped with trapezoidal boss, through welding the second reinforcing plate to set up trapezoidal boss, effectively strengthen structural strength, guarantee safety and stability.

Further, the inside surface both sides of trapezoidal boss all are equipped with the mounting hole, the mounting hole is concentric hole with the body mounting hole, and through setting up the mounting hole on trapezoidal boss, it is concentric with the body mounting hole, do benefit to other parts of installation fixed, convenient stability.

further, the fixed welding of the lower surface front side of curb plate has sub vehicle frame assembly, the fixed welding of the inboard surface intermediate position of sub vehicle frame assembly has intermediate bottom, intermediate bottom's lower surface is equipped with draw bar nut, draw bar nut's lower fixed surface installs on the lower surface lateral wall of frame body, through welding sub vehicle frame assembly in curb plate below, effectively improves the structural strength of body, and the components of a whole that can function independently structure does benefit to the contour machining moreover, and is stable high-efficient.

Further, body and first reinforcing plate all adopt the panel punching press to make, and thickness is 2 millimeters to three millimeters, the second reinforcing plate adopts the panel punching press to make, and thickness is 1 millimeter to 2 millimeters, adopts panel stamping forming, does benefit to processing, raises the efficiency, reduce cost.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) This scheme is through components of a whole that can function independently welded structural style, can process each part in batches, effectively raises the efficiency, and the structural style of simplifying simultaneously does benefit to processing, and the precision is high.

(2) Through welding the second reinforcing plate to set up trapezoidal boss, effectively strengthen structural strength, guarantee safety and stability nature.

(3) Through set up the mounting hole on trapezoidal boss, with the body mounting hole is concentric, does benefit to the installation and fixes other parts, convenient stability.

(4) Through at curb plate below welding sub vehicle frame assembly, effectively improve the structural strength of body, the components of a whole that can function independently structure does benefit to contour machining moreover, and is stable high-efficient.

(5) And the plate is punched and formed, so that the processing is facilitated, the efficiency is improved, and the cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

Fig. 2 is a schematic structural view of the body of the present invention;

Fig. 3 is an assembly schematic view of the first reinforcing plate, the second reinforcing plate and the supporting frame of the present invention;

Fig. 4 is a schematic diagram of a first reinforcing plate structure of the present invention;

FIG. 5 is a schematic diagram of a second stiffener structure according to the present invention;

Fig. 6 is a schematic view of the supporting frame of the present invention.

The reference numbers in the figures illustrate:

2 body, 20 curb plates, 21 rectangular strengthening rib, 22 cambered surface of stepping down, 23 notch of stepping down, 231 body mounting holes, 24 protruding muscle of arc, 25 fabrication holes, 3 first reinforcing plates, 4 second reinforcing plates, 41 trapezoidal boss, 42 mounting holes, 5 support frames, 51 reinforcing edges, 6 suspension nut, 7 sub vehicle frame assemblies, 8 baffle, 9 pull rod nuts.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

in the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, a left longitudinal beam middle front section assembly comprises a body 2, referring to fig. 1 and 2, a long reinforcing rib 21 is fixedly welded at the middle position on the bottom plate of the upper surface of the body 2, a abdicating cambered surface 22 is arranged at the rear side of the upper surface of the body 2, a convex long reinforcing rib 21 is arranged on the bottom plate of the body 2, which can effectively improve the strength and the surface flatness of the bottom plate, meanwhile, the combination of the long reinforcing rib 21 and a first reinforcing plate 3 has a guiding and positioning function, which is beneficial to the contraposition welding, the abdicating cambered surface 22 is arranged at the middle position, which meets the abdicating requirements of other parts, which is beneficial to the integral assembly, side plates 20 are arranged at both sides of the upper surface of the body 2, abdicating notches 23 are arranged on the upper surface of the side plates 20, body mounting holes 231 are arranged at both sides of the abdicating notches 23, arc-shaped convex ribs 24 are fixedly welded on, prevent wrinkling during the shaping adds man-hour, simultaneously increase strength, the position that the other side extended to the bottom plate sets up one and steps down breach 23, molding process has been simplified, improve shaping efficiency and precision, and step down breach 23 and first reinforcing plate 3 combination, do benefit to fixed-position welding, the upper surface floor rear side of body 2 is formed with fabrication hole 25, the inboard fixed surface welding of fabrication hole 25 has first reinforcing plate 3, the equal fixed welding in inboard surperficial both ends of curb plate 20 has support frame 5, the outside edge of support frame 5 is equipped with reinforcing flange 51, the top edge of support frame 5 sets up a week arc reinforcing flange 51, make things convenient for the shaping processing, prevent to warp, and pleasing to the eye practicality, the inside surface of support frame 5 is equipped with suspension nut 6, suspension nut 6 is located curb plate 20's inboard surperficial upper end.

Referring to fig. 3-6, the second reinforcing plate 4 is fixedly welded on the inner side surface of the abdicating arc surface 22, the trapezoidal boss 41 is arranged on the front side surface of the second reinforcing plate 4, the mounting holes 42 are respectively arranged on both sides of the inner surface of the trapezoidal boss 41, the mounting holes 42 and the body mounting hole 231 are concentric holes, so that the suspension nut 6 is conveniently and fixedly mounted, the subframe assembly 7 is fixedly welded on the front side of the lower surface of the side plate 20, the structural strength of the contact position can be enhanced, the safety and stability are ensured, the intermediate partition plate 8 is fixedly welded on the middle position of the inner side surface of the subframe assembly 7, the pull rod nut 9 is arranged on the lower surface of the intermediate partition plate 8, and the lower surface of the pull rod nut 9 is fixedly mounted on the lower surface side wall.

Through adopting panel components of a whole that can function independently stamping forming body 2, first reinforcing plate 3, second reinforcing plate 4 and sub vehicle frame assembly 7, the components of a whole that can function independently processing of being convenient for, raise the efficiency, and simplify the structure moreover, do benefit to and improve the punching press precision, then weld after counterpointing each part, improve the overall structure intensity of body 2 through first reinforcing plate 3, second reinforcing plate 4 and sub vehicle frame assembly 7, guarantee the safety in utilization, can reduce process time simultaneously, effective reduce cost

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (5)

1. The utility model provides a forepart assembly in left longeron, includes body (2), its characterized in that: the upper surface of the body (2) is fixedly welded with a long reinforcing rib (21) at the middle position, the rear side of the upper surface of the body (2) is provided with a yielding arc surface (22), the two sides of the upper surface of the body (2) are respectively provided with a side plate (20), the upper surface of each side plate (20) is provided with a yielding notch (23), the two sides of each yielding notch (23) are respectively provided with a body mounting hole (231), the upper surface of the body (2) is fixedly welded with an arc-shaped convex rib (24), the rear side of the upper surface of the body (2) is provided with a fabrication hole (25), the inner surface of each fabrication hole (25) is fixedly welded with a first reinforcing plate (3), the two ends of the inner surface of each side plate (20) are fixedly welded with a support frame (5), the outer edge of each support frame (5) is provided with a reinforcing edge (51), and the inner surface of each support frame (5) is provided with a, the suspension nut (6) is located at the upper end of the inner side surface of the side plate (20).

2. The left side rail center front section assembly of claim 1, wherein: the inner side surface of the abdicating cambered surface (22) is fixedly welded with a second reinforcing plate (4), and the front side surface of the second reinforcing plate (4) is provided with a trapezoidal boss (41).

3. The left side rail center front section assembly of claim 2, wherein: the inner surface of the trapezoid boss (41) is provided with mounting holes (42) on both sides, and the mounting holes (42) and the body mounting hole (231) are concentric holes.

4. The left side rail center front section assembly of claim 1, wherein: the fixed welding of the lower surface front side of curb plate (20) has sub vehicle frame assembly (7), the fixed welding in the middle position of the inboard surface of sub vehicle frame assembly (7) has intermediate bottom (8), the lower surface of intermediate bottom (8) is equipped with draw-bar nut (9), the lower fixed surface of draw-bar nut (9) installs on the lower surface lateral wall of sub vehicle frame assembly (7).

5. the left side rail center front section assembly of claim 2, wherein: the body (2) and the first reinforcing plate (3) are made of plates in a stamping mode, the thickness of the first reinforcing plate is 2 millimeters to three millimeters, the second reinforcing plate (4) is made of plates in a stamping mode, and the thickness of the second reinforcing plate is 1 millimeter to 2 millimeters.