CN110588760A - Steering column mounting bracket structure and vehicle - Google Patents

Abstract

The invention provides a steering column mounting bracket structure, which includes an upper bracket, a lower bracket and a connecting bracket, the lower bracket includes a rear section of the lower bracket connected with the upper bracket to form an open box structure and fixed on the The front part of the lower bracket on the connecting bracket. The present invention also relates to a vehicle, by forming a semi-closed box-shaped cavity structure with the rear section of the lower bracket and the upper bracket on the steering column mounting bracket structure, so as to effectively improve the mode of the steering system to above 38HZ; The lower bracket is separately designed into the front section of the lower bracket and the rear section of the lower bracket, so that the weld formed by connecting the bracket structure with the instrument panel beam avoids the mounting surface of the bracket structure and the steering column of the vehicle, and improves the axial adjustment of the steering column. strength and performance.

Description

Steering column mounting bracket structure and vehicle

technical field

The invention relates to the technical field of automobiles, in particular to a steering column installation bracket structure and a vehicle.

Background technique

The instrument panel crossbeam provides the support for the steering system, so its performance can affect the steering performance of the vehicle. However, at present, the general steering column assembly installation structure is mostly used in the market. The existing steering column installation structure The scheme has the following disadvantages:

1. Due to structural limitations, the modal control of the steering system is around 35-37HZ;

2. As shown in Figure 1 and Figure 2, in the existing patent CN206537333U: because the weld seam 2 is on the back of the mounting surface 3 of the steering column 1, it is easy to cause poor flatness of the left and right welding surfaces, which in turn leads to the adjustment of the steering column. Poor, thus affecting the performance of the vehicle;

3. The existing installation structure is heavy and has poor lightweight effect.

Contents of the invention

In view of this, it is necessary to provide a steering column mounting bracket structure that improves the steering system mode and at the same time improves the weight reduction effect and the adjustment strength of the steering column.

The invention provides a steering column installation bracket structure, which includes an upper bracket, a lower bracket and a connecting bracket, the lower bracket includes a rear section of the lower bracket connected with the upper bracket to form an open box structure and fixed on the The front section of the lower bracket on the connecting bracket.

In a preferred embodiment, the rear section of the lower bracket and the upper bracket are fixed on one side of the vehicle instrument panel beam and together form a closed box structure, and the front section of the lower bracket and the connecting bracket are fixed on the The other side of the instrument panel tube beam.

In a preferred embodiment, the rear section of the lower bracket includes a first base plate, a second base plate located on two opposite sides of the first base plate, a third base plate arranged opposite to the second base plate, and a base plate located on the first base plate. The second substrate and the fourth substrate between the end of the third substrate away from the first substrate, the upper support includes a fifth substrate and a sixth substrate arranged on one side edge of the fifth substrate, so The third substrate is provided with a first flange extending outward, the fifth substrate is arranged opposite to the fourth substrate and fixed on the first flange, the sixth substrate and the The instrument panel tube beams are respectively assembled on both ends of the first base plate, the second base plate, the third base plate and the fourth base plate along the radial direction of the instrument panel tube beams.

In a preferred embodiment, the fourth base plate is provided with a first mounting point for assembling a vehicle steering column.

In a preferred embodiment, the connecting bracket includes a first connecting bracket fixedly connected to the front section of the lower bracket and a second connecting bracket fixedly connected to the front section of the lower bracket, and the second connecting bracket is equipped with an assembly vehicle Second mounting point for the steering column.

In a preferred embodiment, the first connecting frame includes a first connecting plate and second connecting plates arranged on two opposite sides of the first connecting plate, the second connecting plate is provided with a second flange, The front section of the lower bracket includes a third connecting plate, a fourth connecting plate arranged on two opposite sides of the third connecting plate, and a third flanging at the end of the fourth connecting plate, the third connecting plate Arranged opposite to the first connecting plate, the second flange is fixedly connected to the third flange.

In a preferred embodiment, the second connecting plate is a triangular-like structure, the second connecting plate includes a first edge formed with a second flange and a second edge adjacent to the first edge, the The second edge includes a connecting section for assembling the instrument panel tube beam.

In a preferred embodiment, the second connecting frame includes a fifth connecting plate corresponding to the third connecting plate and sixth connecting plates arranged on two opposite sides of the fifth connecting plate, the second connecting plate The installation point is located on the sixth connecting plate.

In a preferred embodiment, the wall thickness of the rear section of the lower bracket is greater than the wall thickness of the front section of the lower bracket.

The present invention also provides a vehicle, which includes the steering column mounting bracket structure described above.

To sum up, the present invention forms a closed box-like cavity structure with the rear section of the lower bracket on the steering column mounting bracket structure, the upper bracket and the instrument panel beam, so as to effectively improve the mode of the steering system to above 38HZ; The lower bracket is separately designed into the front section of the lower bracket and the rear section of the lower bracket, so that the weld formed by the connection between the bracket structure and the instrument panel beam avoids the mounting surface of the bracket structure and the steering column of the vehicle, and improves the axial adjustment of the steering column. strength and performance.

The above description is only an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and understandable , the following preferred embodiments are specifically cited below, and are described in detail as follows in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 shows the structural representation of a specific embodiment of the steering column mounting bracket structure in the prior art;

Fig. 2 is a schematic cross-sectional view showing the relative position of the welding seam and the mounting surface of the steering column along the direction A-A in Fig. 1;

FIG. 3 is a schematic structural view of a specific embodiment of the steering column mounting bracket structure provided by the present invention;

Fig. 4 is a schematic structural diagram of another perspective of Fig. 1;

Fig. 5 shows the schematic diagram of the structure of the upper bracket in Fig. 4;

Figure 6 is a schematic structural view of the rear section of the lower bracket connected to the upper bracket to form a box structure;

Figure 7 is a schematic diagram of the structure of the upper bracket and the rear section of the lower bracket fixed to the tube beam of the instrument panel;

Figure 8 is a schematic structural view of the first connecting frame in the connecting bracket;

Figure 9 shows a schematic structural view of the rear section of the lower bracket;

Fig. 10 shows the structural representation of the second connecting frame in the connecting bracket;

Fig. 11 shows a schematic structural view of the second connecting frame fixedly connected to the rear section of the lower bracket;

Fig. 12 shows a schematic diagram of the structure of the first connecting frame, the rear section of the lower bracket and the second connecting frame fixed to the instrument panel tube beam;

FIG. 13 is a schematic structural view of a vehicle with the steering column mounting bracket structure provided by the present invention;

Fig. 14 is a schematic diagram of the structure of the steering column mounting bracket structure in Fig. 13 after being assembled with the vehicle steering column;

Fig. 15 is a schematic structural diagram of another viewing angle of Fig. 14;

Fig. 16 is a schematic structural diagram showing the assembly of the vehicle steering column and the first mounting point on the structure of the steering column mounting bracket;

Fig. 17 is a schematic diagram of the assembly of the vehicle steering column and the second mounting point on the steering column mounting bracket structure.

Detailed ways

In order to further illustrate the technical means and functions adopted by the present invention to achieve the intended purpose of the invention, the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

As shown in FIGS. 3 and 4 , the present invention provides a steering column installation bracket structure, which includes an upper bracket 10 , a lower bracket 20 and a connecting bracket 30 .

Wherein, the lower bracket 20 includes a lower bracket rear section 21 connected with the upper bracket 10 to form an open box structure (one end opening) and a lower bracket front section 22 connected with the connecting bracket 30, the present invention carries out segmentation by lower bracket 20 ( The rear section 21 of the lower bracket and the front section 22 of the lower bracket are designed so that the wall thickness of the rear section 21 of the lower bracket increases as required to meet the requirements for installing the steering column 60 of the vehicle, while the thickness of the wall of the front section 22 of the lower bracket decreases as required. Thin to the limit, so that the wall thickness of the rear section 21 of the lower bracket is greater than that of the front section 22 of the lower bracket, so as to achieve the purpose of reducing weight while improving the modal performance of the steering system.

Further, the lower bracket rear section 21 and the upper bracket 10 provided by the present invention are affixed to one side of the vehicle instrument panel tube beam 40 and form together (the lower bracket rear section 21, the upper bracket 10 and the wall of the instrument panel tube beam 40) Closed box structure 100 (emphasis refer to Figure 4 and Figure 7), this closed structure is resistant to tension and torsion, effectively improving the mode of the steering system above 38HZ; at the same time, the front section 22 of the lower bracket and the connecting bracket 30 are fixed to the instrument panel tube On the other side of the beam 40, since the welding bead formed by the fixed connection between the instrument panel tube beam 40 and the mounting bracket structure can avoid the installation surface of the steering column, it can effectively control the adjustment force of the steering column in the axial direction, and improve the stability of the vehicle. performance.

As shown in Figure 5, in the present invention, the upper bracket 10 includes a fifth substrate 11 and a sixth substrate 12 arranged on one side edge of the fifth substrate 11; The end edge extends vertically outward.

As shown in Figure 6, the rear section 21 of the lower bracket includes a first base plate 21a, a second base plate 21b located on two opposite sides of the first base plate 21a, a third base plate 21c arranged opposite to the second base plate 21b, and a third base plate 21c arranged on the second base plate 21a. 21b and the fourth base plate 21d between the end of the third base plate 21c away from the first base plate 21a, that is, the first base plate 21a, the second base plate 21b, the third base plate 21c and the fourth base plate 21d jointly form 40, the radial ends of both ends are open and the lower bracket rear section 21 with the side wall opening between the two open ends is provided, and the third base plate 21d is provided with a first flange 21e extending outward; preferred implementation In one example, the first flange 21e is formed by vertically extending outward from the end of the third substrate 21d.

As shown in Fig. 3, Fig. 4 and Fig. 7, the fifth substrate 11 is arranged opposite to the fourth substrate 21d, and the fifth substrate 11 is correspondingly fixed (welded) on the first flange 21e (closing the rear section of the lower bracket 21), the sixth base plate 12 and the instrument panel tube beam 40 are respectively assembled on the rear section 21 of the lower bracket formed by the first base plate 21a, the second base plate 21b, the third base plate 21c and the fourth base plate 21d. The two open ends (the two ends close to and away from the instrument panel tube beam 40 ) form a closed box structure 100 .

Referring again to FIG. 3 and FIG. 4 , the connecting bracket 30 provided by the present invention includes a first connecting frame 31 fixedly connected to the front section 22 of the lower bracket and a second connecting frame 32 fixedly connected to the front section 22 of the lower bracket.

Specifically, as shown in FIG. 8, FIG. 9 and FIG. 12, the first connecting frame 31 includes a first connecting plate 31a and second connecting plates 31b located on two opposite sides of the first connecting plate 31a, and the second connecting plate 31b There is a second flange 31c on the top; the lower bracket front section 22 includes a third connecting plate 22a, a fourth connecting plate 22b located on two opposite sides of the third connecting plate 22a, and a third turning edge located at the end of the fourth connecting plate 22b. side 22c.

By arranging the third connecting plate 22a opposite to the first connecting plate 31a, the second flange 31c is affixed to the third flange 22c to realize the installation of the first connecting frame 31 and the front section 22 of the lower bracket.

As shown in FIG. 10, FIG. 11 and FIG. 12, the second connecting frame 32 includes a fifth connecting plate 32a corresponding to the third connecting plate 22a and a sixth connecting plate 32b arranged on two opposite sides of the fifth connecting plate 32a. , through the assembly of the third connecting plate 22a and the fifth connecting plate 32a, the installation of the second connecting frame 32 and the front section 22 of the lower bracket is realized. In this preferred embodiment, the third connecting plate 22a includes a mounting groove 22d that is recessed away from the fifth connecting plate 32a (emphasis referring to FIG. 9 ), and the fifth connecting plate 32a includes a protrusion corresponding to the mounting groove 22d. Protrusion 32c (emphasis refers to Figure 10), by embedding the protrusion 32c into the installation groove 22d, the outer wall of the protrusion 32c abuts against the inner wall of the installation groove 22d, and at the same time through welding, the third connecting plate 22a and the fifth connecting plate are realized Assembly of 32a (focus on Figure 11).

It can be understood that the second connecting frame 32 formed by the fifth connecting plate 32a and the sixth connecting plate 32b is a U-shaped mounting bracket, as shown in Figures 6, 10, 13-15, the opening of the U-shaped mounting bracket is vertical The layout direction of the first installation point 221 is used to limit the installation direction of the steering column, and further passes through the first installation point 211 of the assembled vehicle steering column 60 arranged on the fourth base plate 21d (emphasis refers to FIG. 6 ) 1. The second installation point 321 of the assembled vehicle steering column 60 arranged on the second connecting frame 32 (emphasis refers to FIG. 10 ), so as to install the vehicle steering column 60 along its axial direction for assembly (emphasis refers to FIG. 13 ) Steering column 60 is arranged crosswise with vehicle instrument console beam 40).

In the present invention, the second mounting point 321 is located on the sixth connecting plate 32b (emphasis referring to FIG. 10 ), while the first mounting point 211 and the second mounting point 321 are the mounting joints of through holes and nuts, that is, the vehicle steering The pipe column 60 is connected to the vehicle steering column 60 through the bolt 50 passing through the first installation point 211 , and further connected to the vehicle steering pipe column 60 through the cooperation and positioning of the bolt and the nut passing through the second installation point 321 .

In detail, referring to FIG. 16 and FIG. 17 together, when the vehicle steering column 60 is installed with the steering column installation bracket structure provided by the present invention, the vehicle steering column 60 is provided with a first installation portion corresponding to the first installation point 211 61 and the second mounting portion 62 corresponding to the second mounting point 321; specifically, the side wall of the first mounting portion 61 extends in the opposite direction to the side wall (third base plate 21c) of the rear section 21 of the lower bracket, and is opposite to the rear of the lower bracket. The bottom of the section 21 (the first base plate 21a, the second base plate 21b and the fourth base plate 21d) is arranged in parallel, and the bottom of the first mounting part 61 is provided with a first mounting hole for the bolt 50 to pass through, so as to align with the first mounting point 211 together to install the steering column 60 of the vehicle; at the same time, the second mounting part 62 is a U-shaped mounting frame corresponding to the second connecting frame 32, and the side of the mounting part 62 of the U-shaped mounting frame is provided with a hole for the bolt 50 to pass through. The second mounting hole cooperates with the second mounting point 321 and the screw at the same time, so that the vehicle steering column 60 is rotatably connected to the second connecting frame 32 .

Referring to FIG. 8 again, in a specific embodiment provided by the present invention, the second connecting plate 31b is a triangular-like structure with better stability; specifically, the second connecting plate 31b includes a first edge 311 and a Adjacent to the second edge 312, the second flange 31c is formed on the first edge 311, and the second edge 312 includes a connecting section 313 (the inner side of the second edge 312) for assembling the instrument panel tube beam 40, and the connecting section 313 is The arc-shaped installation surface corresponding to the outer wall of the instrument panel tube beam 40 realizes the fixed connection between the second connecting frame 32 and the instrument tube beam 40. At the same time, since the connecting section 313 is located on the inner side of the second edge 312, when installing the steering column This welding bead can be effectively avoided during operation, the adjustment strength along the axial direction of the control pipe column can be effectively improved, and the comfort and effectiveness of the adjustment of the steering wheel to the steering pipe can be improved.

The present invention also provides a vehicle, including the above steering column installation bracket structure. Regarding the connection relationship and specific structure between the steering column mounting bracket structure and other components of the automobile, reference may be made to the prior art, and details will not be repeated here.

In summary, the present invention forms a closed box-shaped cavity structure by forming the rear part of the lower bracket on the steering column mounting bracket structure, the upper bracket and the instrument panel beam together to effectively improve the mode of the steering system to above 38HZ; The lower bracket is designed separately into the front section of the lower bracket and the rear section of the lower bracket, so that the welding seam formed by connecting the bracket structure with the instrument panel beam avoids the mounting surface of the bracket structure and the steering column of the vehicle, and improves the steering column axis. The strength and performance of steering adjustment, and at the same time, the purpose of lightweight design of the steering system is achieved by thickening the rear section of the lower bracket and thinning the rear section of the lower bracket.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone familiar with this field Those skilled in the art, without departing from the scope of the technical solution of the present invention, may use the technical content disclosed above to make some changes or modify them into equivalent embodiments with equivalent changes, but as long as they do not depart from the technical solution of the present invention, the Technical Essence Any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solution of the present invention.

Claims (10)

1. A steering column installation bracket structure is characterized in that it comprises an upper bracket (10), a lower bracket (20) and a connecting bracket (30), and the lower bracket (20) includes a connection with the upper bracket (10) The rear section (21) of the lower bracket connected to form an open box structure and the front section (22) of the lower bracket fixed on the connecting bracket (30). 2. The steering column installation bracket structure according to claim 1, characterized in that, the rear section (21) of the lower bracket and the upper bracket (10) are fixedly connected to one of the vehicle instrument panel tube beams (40). The sides together form a closed box structure (100), and the front section of the lower bracket (22) and the connecting bracket (30) are fixedly connected to the other side of the instrument panel tube beam (40). 3. The steering column installation bracket structure according to claim 2, characterized in that, the rear section (21) of the lower bracket comprises a first base plate (21a), and is located on two opposite sides of the first base plate (21a). The second substrate (21b), the third substrate (21c) arranged opposite to the second substrate (21b), and the second substrate (21b) and the third substrate (21c) away from the A fourth substrate (21d) between one end of the first substrate (21a), the upper bracket (10) includes a fifth substrate (11) and a sixth substrate arranged on one side edge of the fifth substrate (11) The substrate (12), the third substrate (21d) is provided with a first flange (21e) extending outwards, the fifth substrate (11) is arranged opposite to the fourth substrate (21d) and fixed on the first flange (21e), the sixth base plate (12) and the instrument panel tube beam (40) are respectively assembled on the first base plate (21a), the second base plate ( 21b), the two ends of the third base plate (21c) and the fourth base plate (21d) along the radial direction of the instrument panel tube beam (40). 4. The steering column installation bracket structure according to claim 3, characterized in that, the fourth base plate (21d) is provided with a first installation point (211) for assembling a vehicle steering column (60). 5. The steering column mounting bracket structure according to claim 2 or 3, characterized in that, the connecting bracket (30) comprises a first connecting bracket (31) affixed to the front section (22) of the lower bracket and The second connecting frame (32) is fixedly connected to the front section (22) of the lower bracket, and the second connecting frame (32) is provided with a second installation point (321) for assembling the vehicle steering column (60). 6. The steering column installation bracket structure according to claim 5, characterized in that, the first connecting frame (31) comprises a first connecting plate (31a) and a The second connecting plate (31b) on the two opposite sides is provided with a second flange (31c) on the second connecting plate (31b), and the front section (22) of the lower bracket includes a third connecting plate (22a), a The fourth connecting plate (22b) on two opposite sides of the third connecting plate (22a) and the third flanging (22c) at the end of the fourth connecting plate (22b), the third connecting plate (22a) is arranged opposite to the first connecting plate (31a), and the second flange (31c) is fixedly connected to the third flange (22c). 7. The steering column installation bracket structure according to claim 6, characterized in that, the second connecting plate (31b) is a triangular-like structure, and the second connecting plate (31b) includes a second flange formed with The first edge (311) of (31c) and the second edge (312) adjacent to the first edge (311), the second edge (312) includes a connecting section for assembling the instrument panel tube beam (40) (313). 8. The steering column installation bracket structure according to claim 6, characterized in that, the second connecting frame (32) includes a fifth connecting plate (32a) correspondingly matched with the third connecting plate (22a) and the sixth connecting plate (32b) arranged on two opposite sides of the fifth connecting plate (32a), the second installation point (321) is located on the sixth connecting plate (32b). 9. The steering column installation bracket structure according to claim 1, characterized in that, the wall thickness of the rear section (21) of the lower bracket is greater than the wall thickness of the front section (22) of the lower bracket. 10. A vehicle, characterized by comprising the steering column installation bracket structure according to any one of claims 1-9.