CN208306758U - The connection structure of front panel and brake pedal mounting bracket - Google Patents

Abstract

The utility model provides a connection structure between a front wall panel and a brake pedal mounting bracket, comprising: an integrally formed front wall panel body and a brake pedal mounting bracket; wherein, the brake pedal mounting bracket passes through a boss set on it. The structure is connected to the inner wall of the cowl body. In the utility model, by connecting the front bulkhead body and the brake pedal mounting bracket into one through the boss structure, the welding process is omitted, the number of parts is reduced, the workload of parts management is greatly reduced, and the labor force. Further, a reinforcing rib is arranged at the connection between the boss structure and the dash panel body, which cooperates with the connecting plate and plays a strong supporting role on the thin plate area of the dash panel body and the boss structure; Grooves are opened in the table structure, which not only reduces the weight but also improves the internal quality of the parts.

Description

Connection structure of front wall panel and brake pedal mounting bracket

technical field

The utility model relates to the technical field of automobiles, in particular to a connection structure of a front wall plate and a brake pedal mounting bracket.

Background technique

At present, the front panel of the automobile is often formed by aluminum alloy stamping. Since the elongation of the aluminum alloy sheet is lower than that of the steel plate commonly used in traditional automobiles, the stamping and forming process of the aluminum alloy stamping parts is limited. In order to meet the forming processability According to the requirements, it is necessary to make a large adjustment to the front wall in structure, the process analysis period is long, and at the same time, it also causes changes in data such as electrical appliances and wiring harnesses. In addition, as shown in Fig. 1, during the welding process, the welding seam a' between the brake pedal mounting bracket 1' and the dash panel 2' will cause serious welding deformation, resulting in a large deviation in the position of the mounting holes. . In addition, the number of threaded sleeves 3' on the brake pedal mounting bracket 1' is large, and the workload of managing parts is relatively large.

SUMMARY OF THE INVENTION

In view of this, the present utility model proposes a connection structure between the front wall and the brake pedal mounting bracket, which aims to solve the problem of many parts at the connection between the front wall and the brake pedal mounting bracket in the prior art, and the management of parts large amount of problems.

In one aspect, the present utility model proposes a connection structure between a front wall panel and a brake pedal mounting bracket, comprising: an integrally formed front wall panel body and a brake pedal mounting bracket; wherein the brake pedal mounting bracket passes through the The boss structure provided on the top is connected to the inner wall of the front wall body.

Further, in the above connection structure, the brake pedal mounting bracket further comprises: a plurality of connecting plates; wherein, each connecting plate is enclosed end-to-end, and each connecting plate is respectively connected with the front wall of the dash panel body. The inner wall is set at a preset angle.

Further, in the above connection structure, the boss structure is arranged at the connection of two adjacent connecting plates, and the boss structure protrudes toward the inner side of the dash panel body.

Further, in the above connection structure, the boss structure includes: an outer wall, a threaded hole and a groove arranged in the outer wall; wherein, one end of the threaded hole is communicated with the bottom of the groove, and the other end is in communication with the bottom of the groove. Extend to the bottom of the outer wall for installing the wire threaded insert.

Further, in the above connection structure, the groove is a cylindrical structure with a variable diameter, and the end that communicates with the threaded hole is a constricted portion.

Further, in the above connection structure, the inner diameter of the threaded hole is smaller than the diameter of the constricted portion.

Further, in the above connection structure, a reinforcing rib is provided at the connection between the outer wall and the dash panel body at the outer side of the brake pedal mounting bracket.

Further, in the above connection structure, the outer wall is in the shape of a column, a cone or a polyhedron.

Further, in the above connection structure, the dash panel body and the brake pedal mounting bracket are die-casted into one body from a cast aluminum alloy through a vacuum die-casting process.

Further, in the above connection structure, a plurality of installation holes are opened on the front wall body.

The beneficial effect of the present invention is that the connecting structure of the front wall plate and the brake pedal mounting bracket provided by the present invention is integrated by connecting the front wall plate body and the brake pedal mounting bracket through the boss structure, that is: The shroud body, the brake pedal mounting bracket and the plurality of threaded sleeves are die-cast into one body through a vacuum die casting process. Compared with the prior art, the front shroud body and the brake pedal mounting bracket need to be welded, and multiple In terms of the connection method of the independent threaded sleeve, the welding process is omitted, the number of parts is reduced, the workload of parts management is greatly reduced, and labor is saved. In addition, since the dash panel body is made of aluminum alloy die-casting parts through the vacuum die casting process, the dash panel body can be prevented from being restricted by the stamping forming process, thereby simplifying the structure of the parts to a certain extent. Further, a reinforcing rib is arranged at the connection between the boss structure and the dash panel body, which cooperates with the connecting plate and plays a strong supporting role on the thin plate area of the dash panel body and the boss structure. In particular, the grooves are provided in the boss structure, which reduces the weight and improves the internal quality of the part.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are only for the purpose of illustrating the preferred embodiments, and are not considered to be a limitation of the present invention. Also, the same components are denoted by the same reference numerals throughout the drawings. In the attached image:

1 is a schematic diagram of the connection structure of a front wall panel and a brake pedal mounting bracket in the prior art;

FIG. 2 is a schematic diagram of the connection structure of the front wall panel and the brake pedal mounting bracket provided by the embodiment of the present utility model;

3 is a partial structural schematic diagram of a connection structure between a front wall panel and a brake pedal mounting bracket provided by an embodiment of the present utility model;

4 is another partial structural schematic diagram of the brake pedal mounting bracket provided by the embodiment of the present invention;

5 is a cross-sectional view of a boss structure provided by an embodiment of the present invention.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure will be more thoroughly understood, and will fully convey the scope of the present disclosure to those skilled in the art. It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict. The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Referring to FIG. 2 , the connection structure of the front wall panel and the brake pedal mounting bracket according to the embodiment of the present invention includes: an integrally formed front wall panel body 1 and a brake pedal mounting bracket 2 . in,

The brake pedal mounting bracket 2 is connected to the inner wall of the dash panel body 1 through several boss structures 21 arranged thereon.

Specifically, the dash panel body 1 can be any dash panel structure in the prior art, for example, it can be a structure made of aluminum alloy die-casting, on which a vacuum booster with a brake master cylinder assembly is installed. Hole d, the first air-conditioning pipeline installation hole a, the first air-conditioning pipeline installation hole b and the air-conditioning air inlet c and various other installation holes, such as bolt installation holes, rivet nuts or rivet stud installation holes, etc., through these installations The holes can realize the connection of the equipment on the inner and outer sides of the cowl body 1 . The cowl body 1 is connected to the front floor rail and the front pillar of the vehicle body. The cowl body 1 has two surfaces, and the inner surface faces the cockpit. One side of the inner wall of the cowl body 1 .

The brake pedal mounting bracket 2 can also be any structure in the prior art, for example, it can include: a boss structure 21 and a plurality of connecting plates 22 . Wherein, each connecting plate 22 is surrounded end-to-end, and each connecting plate 22 is respectively arranged at a preset angle with the inner wall of the front wall body 1 .

Specifically, each connecting plate 22 can be a square plate, a circular plate, etc. The number of connecting plates 22 can be determined according to the actual situation, and each connecting plate 22 can be surrounded by a frame structure, for example, four can be selected. connecting plate 22 . The predetermined angle of the connecting plate 22 relative to the dash panel body 1 may be a right angle, that is, each connecting plate 22 is vertically enclosed on each edge of the thin plate area 11 of the dash panel body 1 along the inner side of the dash panel body 1 . The frame structure surrounded by each connecting plate 22 not only supports the thin plate region 11 of the dash panel body 1 but also supports the boss structure 21 .

In this embodiment, the dash panel body 1 and the brake pedal mounting bracket 2 are made of cast aluminum alloy through a vacuum die-casting process. For example, AlSi _{10 MgMn} alloy can be die-cast. The toughness and casting performance are good, especially the high-vacuum die casting of the alloy has excellent mechanical properties, which is beneficial to improve the connection strength of the connection structure between the front wall and the brake pedal mounting bracket.

The boss structure 21 is disposed at the connection between the two adjacent connecting plates 22 , and the boss structure 21 protrudes from the inner side of the front panel body 1 . The boss structure 21 may be vertically disposed on the inner surface of the thin plate region 11 on the cowl body 1 and connect the joints of two adjacent connecting plates 22 on the thin plate region 11 . The height of the boss structure 21 can be selected according to the actual situation, for example, it can be greater than or equal to the length of each connecting plate 22 extending inside the front wall body 1 . The boss structure 21 can be a cylindrical structure with a hollow inner part or a hollow shape, and the inner hollow part is provided with a threaded hole. Connection of brake pedal mounting bracket 2. The arrangement of the boss structure 21 plays the role of connecting the brake pedal mounting bracket 2 and the front wall body 1. At the same time, since the boss structure 21 can be made of a high-strength cast aluminum alloy material, it is beneficial to increase the brake pedal mounting bracket. 2 and the connection strength between the cowl body 1.

3 to 5 , the boss structure 21 includes: an outer wall 213 , a threaded hole 211 and a groove 212 disposed in the outer wall 213 . Wherein, one end of the threaded hole 211 is communicated with the bottom of the groove 212, and the other end extends to the bottom of the outer wall 213 for installing the wire screw sleeve.

Specifically, the outer wall 213 may be in the shape of a column, a cone, a polyhedron, or the like. For example, a cylindrical body with chamfered ends may be provided, and the height and the diameter of the bottom surface may be determined according to the actual situation. A reinforcing rib 3 is provided at the connection between the outer wall 213 and the front wall panel body 1 at the outer side of the brake pedal mounting bracket 2 . The reinforcing rib 3 can be a square plate, a rectangular plate, a trapezoidal plate or a triangular plate or the like. That is, the reinforcing rib 3 and the connecting plate 22 can be arranged on both sides of the outer wall 213 in the circumferential direction, and the reinforcing rib 3 can be arranged outside the area surrounded by each connecting plate 22, so that the reinforcing rib 3 and each connecting plate 22 can be separated from the two sides through the reinforcing rib 3 and each connecting plate 22. The two directions cooperate to support the thin plate area of the dash panel body 1 , and also support the boss structure 21 .

Continue to refer to FIG. 4 , the figure shows a view of the connection structure of the front panel and the brake pedal mounting bracket viewed from the front to the rear of the vehicle. Since the four boss structures 21 have no installation requirements on this side, it can be based on weight reduction. It is considered to design grooves for the part of the structure on the side or perform machining on the part of the structure on the side, without requiring the four boss structures 21 to be on one plane.

The inner diameter and length of the threaded hole 211 can be selected according to the actual situation. When the height of the outer wall 213 of the boss structure 21 is much larger than the length of the threaded hole 211, the casting groove 212 can be added to reduce the weight and reduce the The thickness of the material in the area where the boss structure is located reduces the probability of pores appearing in the die casting when the aluminum alloy die casting is used for die casting, which is beneficial to improve the internal quality of the part.

Continuing to refer to FIG. 5 , the groove 212 may have a cylindrical structure with a variable diameter, and the constricted portion 2121 communicates with the threaded hole 211 . In specific implementation, the structure of the groove 212 can directly form the material by die casting, which improves the processing efficiency. The inner diameter of the threaded hole 211 can be determined according to actual needs, for example, the inner diameter of the threaded hole 211 can be smaller than the diameter of the constricted portion 2121 .

It can be clearly drawn from the above that the connection structure of the front wall panel and the brake pedal mounting bracket provided in this embodiment is integrated by connecting the front wall panel body and the brake pedal mounting bracket through the boss structure, that is: the front wall panel is connected. The plate body, the brake pedal mounting bracket and the plurality of threaded sleeves are die-casted into one through a vacuum die-casting process. Compared with the prior art, the front wall body and the brake pedal mounting bracket need to be welded, and multiple independent In terms of the connection method of the threaded casing, the welding process is omitted, the number of parts is reduced, the workload of parts management is greatly reduced, and labor is saved. In addition, since the dash panel body is made of aluminum alloy die-casting parts through the vacuum die-casting process, the dash panel body can be prevented from being restricted by the stamping forming process, thereby simplifying the structure of the parts to a certain extent. Further, a reinforcing rib is arranged at the connection between the boss structure and the dash panel body, which cooperates with the connecting plate and plays a strong supporting role on the thin plate area of the dash panel body and the boss structure. In particular, the grooves are provided in the boss structure, which reduces the weight and improves the internal quality of the part.

Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalents, the present utility model is also intended to include these modifications and variations.

Claims (10)

1. A connection structure between a front wall panel and a brake pedal mounting bracket, characterized in that it comprises: an integrally formed front wall panel body (1) and a brake pedal mounting bracket (2); wherein, The brake pedal mounting bracket (2) is connected to the inner wall of the dash panel body (1) through a boss structure (21) provided thereon. 2. The connecting structure according to claim 1, wherein the brake pedal mounting bracket (2) further comprises: a plurality of connecting plates (22); wherein, Each of the connecting plates (22) is enclosed end-to-end, and each of the connecting plates (22) is respectively arranged at a preset angle with the inner wall of the dash panel body (1). 3. The connection structure according to claim 2, characterized in that, the boss structure (21) is arranged at the junction of two adjacent connecting plates (22), and the boss structure (21) ) protrudes toward the inner side of the dash panel body (1). 4. The connection structure according to claim 1 or 2, wherein the boss structure (21) comprises: an outer wall (213), a threaded hole (211) provided in the outer wall (213) and a concave slot (212); wherein, One end of the threaded hole (211) is communicated with the bottom of the groove (212), and the other end extends to the bottom of the outer wall (213) for installing a wire screw sleeve. 5. The connection structure according to claim 4, characterized in that the groove (212) is a cylindrical structure with a variable diameter, and one end of the groove (212) that communicates with the threaded hole (211) is a constriction (2121) ). 6. The connection structure according to claim 5, wherein the inner diameter of the threaded hole (211) is smaller than the diameter of the constricted portion (2121). 7. The connection structure according to claim 4, characterized in that, the connection between the outer wall (213) and the dash panel body (1) at the outer side of the brake pedal mounting bracket (2) is provided with reinforcement tendons (3). 8. The connection structure according to claim 4, wherein the outer wall (213) is in the shape of a column, a cone or a polyhedron. 9 . The connection structure according to claim 1 or 2 , characterized in that, the dash panel body ( 1 ) and the brake pedal mounting bracket ( 2 ) are integrally die-casted from a cast aluminum alloy through a vacuum die-casting process. 10 . 10. The connection structure according to claim 1 or 2, characterized in that, a plurality of installation holes are opened on the front wall body (1).