CN220114698U - Front cabin support rod assembly - Google Patents

Abstract

The utility model discloses a front engine room supporting rod assembly, which comprises: the two ends of the beam body are respectively and correspondingly connected with the left front shock absorber mounting plate and the right front shock absorber mounting plate, and the cross section of the beam body in the width direction is rectangular; the stiffening beam is arranged in the middle of the beam body, one end of the stiffening beam is connected with the beam body, and the other end of the stiffening beam is connected with the front wall assembly of the automobile; the reliable mounting point is beneficial to providing for other part structures in the front engine room; the stiffening beam is arranged in the middle of the beam body, so that the overall structural strength of the front cabin is improved, a triangle-like structure is formed among the beam body, the automobile front coaming, the left front shock absorber mounting plate, the right front shock absorber mounting plate and other structures, and the overall torsional strength and the front deformation resistance are improved; meanwhile, the arrangement in the middle is beneficial to forming opposite symmetrical arrangement, the distribution is reasonable, and the structure is simple.

Description

Front cabin support rod assembly

Technical field

The utility model belongs to the technical field of automobile parts, and specifically relates to a front cabin support rod assembly.

Background technique

As a commonly used connection structure, the cabin support rod assembly plays a role in strengthening the front cabin assembly and strengthening the dynamic stiffness of the front shock absorber mounting plate assembly in the vehicle. Traditional cabin support rods mostly use circular steel pipes. The two ends of the circular steel pipes are welded to the left front shock absorber mounting plate and the right front shock absorber mounting plate to improve the stability of the front end yaw and the installation of the front shock absorber. Dynamic stiffness and other properties of the plate assembly. In this structure, only a single support rod is used to strengthen the structural strength of the front cabin assembly, and the effect of strength improvement is limited; in addition, the structure is limited to the structural form of circular steel tubes and cannot provide effective support for other parts in the cabin. The mounting point is not conducive to the layout and installation of other parts.

For this reason, it is necessary to optimize the design of the existing front engine room support rod assembly structure in order to improve the overall structural strength of the front engine room; at the same time, it can facilitate the arrangement and installation of other parts in the front engine room, simplify the structure, and reduce costs. .

Utility model content

In view of this, the purpose of this utility model is to provide a front engine room support rod assembly with a simple structure, which can effectively improve the overall structural strength of the front engine room, and at the same time facilitate the arrangement and installation of other parts in the front engine room and reduce costs.

In order to achieve the above purpose, the present utility model provides the following technical solution: a front cabin support rod assembly, including: a crossbeam body, the two ends of the crossbeam body are respectively connected to the left front shock absorber mounting plate and the right front shock absorber mounting plate. , and the cross-sectional shape in the width direction of the cross-beam body is rectangular; a reinforcing beam, the reinforcing beam is located in the middle of the cross-beam body, and one end thereof is connected to the cross-beam body, and the other end is connected to the front wall assembly of the car.

Furthermore, the reinforcing beam is fixedly connected to the rear side of the crossbeam body, and the overall structure is T-shaped, and reinforcements are fixedly connected to both sides of the connection between the reinforcing beam and the crossbeam body.

Further, the reinforcing members on both sides of the reinforcing beam are arranged symmetrically with respect to the center of the reinforcing beam.

Further, one end of the reinforcing beam corresponding to the automobile front wall assembly is fixedly connected to the gutter support frame of the front wall assembly.

Furthermore, the two ends of the cross member body are respectively provided with a mounting hole I for connecting to the left front shock absorber mounting plate and a mounting hole II for connecting to the right front shock absorber mounting plate that penetrates up and down.

Further, a reinforcing sleeve I is provided in the beam body corresponding to the mounting hole I. One end of the reinforcing sleeve I is fixedly connected to the beam body, and the other end leaves a gap with the inner side of the beam body;

A reinforcing sleeve II is provided in the beam body corresponding to the mounting hole II. One end of the reinforcing sleeve II is fixedly connected to the beam body, and the other end leaves a gap with the inner side of the beam body.

Furthermore, two mounting holes I and two mounting holes II at both ends of the beam body are arranged side by side along the width direction of the beam body; the reinforcing sleeve I and the reinforcing sleeve II are both one piece and correspond to the mounting holes. There are corresponding through holes for the number of mounting holes I and II.

Furthermore, a plurality of blind rivet nuts for providing mounting points for front cabin components are fixedly connected to the side of the cross member body.

Furthermore, both the beam body and the reinforcing beam are aluminum alloy profiles.

Compared with the existing technology, the beneficial effects of this utility model are as follows:

In this utility model, the cross-sectional shape in the width direction of the cross-beam body is rectangular, that is, its outer peripheral side is flat, which is beneficial to providing reliable installation points for other component structures in the front engine room; by arranging a reinforcing beam in the middle of the cross-beam body, the original On the basis of this, the overall structural strength of the front cabin is further improved; specifically, by connecting the middle part of the cross member body with the car front wall assembly, it is beneficial to install the cross member body, the car front wall panel, the left front shock absorber mounting plate and the right front shock absorber. A triangular-like structure is formed between the mounting plates and other structures, which improves the overall torsional strength and the ability to resist frontal deformation; at the same time, being set in the middle facilitates the formation of a relatively symmetrical arrangement, reasonable distribution, and simple structure.

Other advantages, objects, and features of the present invention will be set forth in the description that follows, and to the extent that they will be apparent to those skilled in the art based on an examination of the following, or can be Learn from the practice of this utility model. The objects and other advantages of the present invention can be achieved and obtained by the following description.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Figure 2 is a top view of the connection between the reinforcing beam and the beam body.

Figure 3 Schematic diagram of the left side of the beam body

Figure 4 is a schematic diagram of the shaft side structure of reinforced casing I and reinforced casing II.

Reference signs: 1-crossbeam body; 101-installation hole I; 102-installation hole II; 103-reinforcement casing I; 104-reinforcement casing II; 2-reinforcement beam; 3-left front shock absorber mounting plate; 4 -Right front shock absorber mounting plate; 5-front apron; 6-gutter support frame; 7-reinforcement parts; 8-front cabin wiring harness installation bracket; 9-rivet nut.

Detailed ways

The following describes the implementation of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations. Various details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the illustrations provided in the following embodiments are only used to illustrate the basic concept of the present invention. The following embodiments and the features in the embodiments can be combined with each other as long as there is no conflict.

Please refer to Figure 1-4. A front cabin support rod assembly includes: a crossbeam body 1. The two ends of the crossbeam body 1 are respectively connected to the left front shock absorber mounting plate 3 and the right front shock absorber mounting plate 4, as shown in Welding, etc., the left front shock absorber mounting plate 3 and the right front shock absorber mounting plate 4 are generally high-pressure vacuum thin-walled aluminum castings, and the stability of the two is improved through the connection of the cross beam body 1; and the cross-sectional shape in the width direction of the cross beam body 1 is rectangular, That is, its outer circumferential side is flat, which is beneficial to providing reliable installation points for other component structures in the front cabin; reinforcement beam 2, the reinforcement beam 2 is located in the middle of the crossbeam body 1, and one end thereof is connected to the crossbeam body 1, and the other end is connected to the crossbeam body 1. Connected to the front wall assembly of the car; by connecting the middle part of the cross member body 1 to the car front wall assembly, it is convenient to install the cross member body 1, the car front wall panel 5, the left front shock absorber mounting plate 3 and the right front shock absorber. A triangular-like structure is formed between plates 4 and other structures to improve the overall torsional strength and ability to resist frontal deformation; at the same time, being arranged in the middle is conducive to forming a relatively symmetrical arrangement, with reasonable distribution and simple structure.

In this embodiment, the reinforcing beam 2 is fixedly connected to the rear side of the crossbeam body 1, usually by welding, and has a T-shaped structure as a whole. The T-shaped structure is simple; and at the connection between the reinforcing beam 2 and the crossbeam body 1 Reinforcing members 7 are fixedly connected to both sides of the transverse side, such as by welding. The transverse direction here refers to the transverse direction of the automobile body, that is, the width direction of the reinforcing beam 2. The arrangement of the reinforcing members 7 is conducive to further improving the strength of the overall structure.

In this embodiment, the reinforcing members 7 on both sides of the reinforcing beam 2 are arranged symmetrically with respect to the center of the reinforcing beam 2, that is, they are symmetrical along the central axis of the reinforcing beam 2 and have a tight structure; at the same time, since the reinforcing beam 2 and the cross beam body 1 have T-shaped structure, both ends of the reinforcement 7 have 45-degree cuts, and the symmetrical arrangement facilitates the blanking processing of the reinforcement 7 and improves versatility.

In this embodiment, one end of the reinforcing beam 2 corresponding to the automobile cowl assembly is fixedly connected to the gutter support frame 6 of the cowl assembly; the gutter support frame 6 connects the gutter body, the dash panel 5 and the gutter bracket. A ring-shaped reinforcement structure is formed between them. However, for the pedestrian protection performance of the vehicle, the weaker the structural rigidity of the gutter, the better. The structural strength of the gutter support frame 6 is weak, which leads to insufficient X-direction stiffness of the lower beam of the front windshield. When it is consistent with the engine excitation, it will cause the front windshield to vibrate in the The structural rigidity of the gutter support frame 6 can thereby reduce NVH.

In this embodiment, the two ends of the cross member body 1 are respectively provided with mounting holes I101 for connecting to the left front shock absorber mounting plate 3 and a mounting hole I101 for connecting to the right front shock absorber mounting plate 4. Hole II 102; The preset mounting holes facilitate the detachable connection with the left front shock absorber mounting plate 3 and the right front shock absorber mounting plate 4, thereby improving assemblyability and simplifying the production process.

In this embodiment, a reinforcing sleeve I103 is provided in the beam body 1 at a position corresponding to the mounting hole I101. One end of the reinforcing sleeve I103 is fixedly connected to the beam body 1, usually by welding, and the other end is connected to the inner side of the beam body 1. There is a gap, which is preferably between 0.5-1.5mm;

A reinforcing sleeve II 104 is provided in the beam body corresponding to the mounting hole II 102. One end of the reinforcing sleeve II 104 is fixedly connected to the beam body 1, usually by welding, and there is a gap between the other end and the inner side of the beam body 1 (refer to the figure) (R in 3), the gap is preferably between 0.5-1.5mm;

In this structural design, the structural strength of the mounting point of the crossbeam body 1 can be improved by setting reinforcing sleeves at the positions corresponding to the mounting holes to avoid damaging the crossbeam body 1 due to excessive torsional force when bolting; at the same time, a gap is reserved on one side. It can improve the assembly and compensate for the reserved gap through the pre-tightening force of the bolts.

In this embodiment, two mounting holes I 101 and II 102 at both ends of the cross beam body 1 are arranged side by side along the width direction of the cross beam body 1. Setting two can ensure the connection stability of the connection point and prevent rotation at the same time. , the other two will not take up too much space. Of course, when the layout position is sufficient, the number can be increased adaptively; the reinforcing sleeve I103 and the reinforcing sleeve II104 are both one piece and correspond to the installation hole I101 and the installation hole. The number of holes II102 is provided with corresponding through holes. By setting it as one piece, the structure can be simplified and the installation can be simplified;

In practice, in order to achieve better positioning, one installation hole is generally selected as the main positioning hole at one end of the beam body 1, and a corresponding hole is selected as the auxiliary positioning hole at the other end. The auxiliary positioning hole is designed as a waist-shaped hole structure.

In this embodiment, a plurality of blind rivet nuts 9 for providing mounting points for front cabin components are fixedly connected to the side of the crossbeam body 1; such as welding; other components can be facilitated by preset blind rivet nuts 9 For example, the front cabin wiring harness installation bracket 8 is riveted to one end of the crossbeam body 1.

In this embodiment, the crossbeam body 1 and the reinforcing beam 2 are both made of aluminum alloy profiles. Aluminum alloy profiles facilitate the lightweight design of automobiles and reduce mold opening costs.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the present utility model can be modified. If the technical solution is modified or equivalently substituted without departing from the purpose and scope of the technical solution of the present utility model, it shall be covered by the claims of the present utility model.

Claims (9)

1. A front nacelle support bar assembly, comprising:

the cross beam body (1), two ends of the cross beam body (1) are respectively connected with the left front shock absorber mounting plate (3) and the right front shock absorber mounting plate (4) correspondingly, and the cross section of the cross beam body (1) in the width direction is rectangular;

the stiffening beam (2), the middle part of crossbeam body (1) is located to stiffening beam (2), and its one end is connected with crossbeam body (1), and the other end is connected with the preceding enclose assembly of car.

2. A front nacelle support bar assembly according to claim 1, wherein: the stiffening beam (2) is fixedly connected to the rear side face of the beam body (1), is of a T-shaped structure as a whole, and is fixedly connected with reinforcing pieces (7) on two lateral sides of the joint of the stiffening beam (2) and the beam body (1) respectively.

3. A front nacelle support bar assembly according to claim 2, wherein: the reinforcing pieces (7) on two sides of the reinforcing beam (2) are symmetrically arranged relative to the center of the reinforcing beam (2).

4. A front nacelle support bar assembly according to claim 1, wherein: one end of the reinforcing beam (2) corresponding to the automobile front wall assembly is fixedly connected with a water flow groove supporting frame (6) of the front wall assembly.

5. A front nacelle support bar assembly according to claim 1, wherein: the two ends of the beam body (1) are respectively and correspondingly provided with a mounting hole I (101) which penetrates up and down and is used for being connected with the left front shock absorber mounting plate (3) and a mounting hole II (102) which is used for being connected with the right front shock absorber mounting plate (4).

6. A front nacelle support bar assembly according to claim 5, wherein: a reinforcing sleeve I (103) is arranged in the beam body (1) corresponding to the mounting hole I (101), one end of the reinforcing sleeve I (103) is fixedly connected with the beam body (1), and a gap is reserved between the other end of the reinforcing sleeve I and the inner side surface of the beam body (1);

the beam body is internally provided with a reinforcing sleeve II (104) corresponding to the mounting hole II (102), one end of the reinforcing sleeve II (104) is fixedly connected with the beam body (1), and a gap is reserved between the other end of the reinforcing sleeve II and the inner side surface of the beam body (1).

7. A front nacelle support bar assembly according to claim 6, wherein: the two mounting holes I (101) and the two mounting holes II (102) at the two ends of the beam body (1) are respectively arranged in parallel along the width direction of the beam body (1); the reinforcing sleeve I (103) and the reinforcing sleeve II (104) are integrated, and corresponding through holes are formed in the number of corresponding mounting holes I (101) and the number of corresponding mounting holes II (102).

8. A front nacelle support bar assembly according to claim 1, wherein: and a plurality of rivet nuts (9) used for providing mounting points for front cabin parts are fixedly connected to the side face of the cross beam body (1).

9. A front nacelle support bar assembly according to claim 1, wherein: the beam body (1) and the stiffening beam (2) are both aluminum alloy sections.