Front auxiliary frame suspension beam reinforcing plate

Abstract

The utility model relates to the technical field of automobile parts, in particular to a front auxiliary frame suspension beam reinforcing plate which comprises a beam body, the beam body comprises a main plate, the side, in the thickness direction of the main plate, of the main plate protrudes to form two first bosses, the two first bosses are symmetrically distributed in the length direction of the main plate, and first through holes are formed in the first bosses; the first through hole is used for being in threaded connection with the front auxiliary frame after a bolt penetrates through the first through hole. The main plate protrudes in the thickness direction of the main plate to form a first boss, the first boss is provided with a first through hole, the first through hole is used for being in threaded connection with the front auxiliary frame after a bolt penetrates through the first through hole, and the first boss is used for enhancing the local structural strength of the first through hole, reducing the possibility that the cross beam body is damaged by impact and prolonging the service life of the cross beam body; and the stability of connection between the front auxiliary frame and the main frame is guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of automobile accessories, and in particular to a front subframe suspension beam reinforcement plate. Background Art

[0002] The front subframe of a car is the carrier of all major assemblies of the car and is an important load-bearing component. When working, the front subframe must withstand the bending moment and shear force generated by various loads such as torsion and bending. In the actual driving process, the front subframe is also subject to excitation from the road surface and the engine. The design must consider sufficient strength, sufficient bending stiffness and appropriate torsional stiffness, and ensure the adaptability of the car to road unevenness, as well as reasonable vibration characteristics. It is also very important.

[0003] At present, the front subframe is connected to the main frame through a suspension crossbeam. The stress on the front subframe will be transmitted to the suspension frame through the connection between the front subframe and the suspension crossbeam. When subjected to a large load or impact, the connection may break or deform, and there is a possibility that the connection between the subframe and the main frame fails. Utility Model Content

[0004] In order to improve the structural strength of the suspension cross beam and ensure the stability of the connection between the front subframe and the main frame, the present application provides a front subframe suspension cross beam reinforcement plate.

[0005] The front subframe suspension beam reinforcement plate provided in the present application adopts the following technical solution:

[0006] A front sub-frame suspension crossbeam reinforcement plate comprises a crossbeam body; the crossbeam body comprises a main board; the main board protrudes to one side in the thickness direction of the main board to form a first boss; two first bosses are provided; the two first bosses are symmetrically distributed along the length direction of the main board; the first boss is provided with a first through hole; the first through hole is used for a bolt to pass through and then be threadedly connected to the front sub-frame.

[0007] By adopting the above technical solution, the main board protrudes in the thickness direction of the main board to form a first boss, and the first boss is provided with a first through hole, and the first through hole is used for a bolt to pass through and then be threadedly connected with the front sub-frame. The first boss is used to enhance the local structural strength of the first through hole, reduce the possibility of the cross beam body being damaged by impact, increase the service life of the cross beam body, and ensure the stability of the connection between the front sub-frame and the main frame.

[0008] Preferably, the beam body is integrally stamped.

[0009] By adopting the above technical solution, the beam body is formed by integral stamping, which helps to disperse the application to various parts of the beam body, reduce stress concentration, improve the structural strength of the beam body, and reduce the possibility of cracking between different areas due to welding, thereby increasing the service life of the beam body.

[0010] Preferably, the cross beam body is provided with a groove and / or a concave surface along one side of the first boss protrusion; the groove and / or the concave surface are used for embedding parts.

[0011] By adopting the above technical solution, grooves and / or concave surfaces are set for parts to be embedded, providing positioning for the installation of parts, enhancing the accuracy of part installation, and increasing the contact area between the beam body and the parts, thereby improving the stability of the connection between the beam body and the parts.

[0012] Preferably, the main board is provided with a second through hole; the second through hole is used for allowing the wiring harness to pass through.

[0013] By adopting the above technical solution, a second through hole is provided for the wire harness to pass through, which is used to limit the wire harness and reduce the possibility of the wire harness running around and causing the wire harness to become tangled during practical use.

[0014] Preferably, the main board is provided with reinforcing ribs; the length direction of the reinforcing ribs is parallel to the length direction of the main board.

[0015] By adopting the above technical solution, the mainboard is provided with reinforcing ribs, which helps to improve the structural strength of the mainboard. The length direction of the reinforcing ribs is parallel to the length direction of the mainboard to improve the bending resistance of the mainboard in the length direction and increase the service life of the beam body.

[0016] Preferably, the beam body further comprises a flange; the flange is connected to the outer periphery of the main board; the flange extends circumferentially along the main board.

[0017] By adopting the above technical solution, a flange extending along the circumference of the main board is provided on the outer periphery of the main board, thereby improving the bending resistance of the beam body and thus improving the structural strength of the beam body. The flange helps to increase the contact area when the beam body is connected with other parts, thereby improving the connection stability between the beam body and other parts.

[0018] Preferably, the connection between the main board and the flange is an arc transition.

[0019] By adopting the above technical solution, the connection between the main board and the flange is an arc transition, which reduces the stress concentration phenomenon at the connection between the main board and the flange, reduces the possibility of fracture due to excessive stress at the connection between the main board and the flange, and improves the service life of the beam body.

[0020] Preferably, the flange is provided with a plurality of welding surfaces; the plurality of welding surfaces are parallel to each other; the plurality of welding surfaces are divided into two groups; the two groups of welding surfaces are symmetrically distributed along a direction perpendicular to the length of the mainboard; the welding surfaces are used to fit with the inner wall of the connector.

[0021] By adopting the above technical solution, a welding surface is provided at the flange, the welding surfaces are parallel to each other, and the welding surfaces are divided into two groups. The two groups of welding surfaces are respectively located on both sides of the width direction of the main board, thereby improving the stability of the welding between the beam body and the connecting piece.

[0022] Preferably, the welding surface is provided with an embedding groove; the embedding groove is used for embedding the embedding block on the inner side of the connecting piece.

[0023] By adopting the above technical solution, an embedding groove is provided to cooperate with the embedding block on the connecting piece, so as to realize the preliminary positioning of the beam body and the connecting piece, facilitate the subsequent welding of the beam body and the connecting piece, and improve the convenience of welding.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. The main board protrudes in the thickness direction of the main board to form a first boss, and the first boss is provided with a first through hole, and the first through hole is used for a bolt to pass through and then be threadedly connected with the front sub-frame. The first boss is used to enhance the local structural strength of the first through hole, reduce the possibility of the cross beam body being damaged by impact, increase the service life of the cross beam body, and ensure the stability of the connection between the front sub-frame and the main frame;

[0026] 2. Grooves and / or concave surfaces are provided for embedding parts, providing positioning for the installation of parts, enhancing the accuracy of part installation, increasing the contact area between the beam body and the parts, and improving the stability of the connection between the beam body and the parts;

[0027] 3. A second through hole is provided for the wire harness to pass through, so as to limit the wire harness and reduce the possibility of the wire harness running around and causing the wire harness to become tangled during practical use. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural diagram of the beam body.

[0029] Figure 2 It is a schematic diagram of the exploded structure of the front subframe suspension crossbeam reinforcement plate.

[0030] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0031] Description of reference numerals:

[0032] 1. beam body; 11. main board; 12. flange; 121. welding surface; 122. embedding groove; 123. guide groove; 13. connecting section; 131. first boss; 132. first through hole; 14. middle section; 141. second through hole; 142. concave surface; 143. groove; 144. reinforcing rib; 145. avoidance groove;

[0033] 2. Connecting part; 21. Welding part; 211. Insert; 2111. Fillet; 22. Connecting part. DETAILED DESCRIPTION

[0034] The present application is further described in detail below in conjunction with the accompanying drawings.

[0035] Reference Figure 1 The embodiment of the present application discloses a front subframe suspension beam reinforcement plate including a beam body 1. The beam body 1 includes a main board 11 and a flange 12, one end of the flange 12 is fixedly connected to the outer periphery of the main board 11, the flange 12 extends circumferentially along the main board 11, the surface of the flange 12 away from the main board 11 is perpendicular to the thickness direction of the main board 11, the angle between the flange 12 and the main board 11 is 90 degrees, and the connection between the flange 12 and the main board 11 is an arc transition. In this embodiment, the beam body 1 is integrally stamped, and the thickness of each part of the beam body 1 is equal.

[0036] The crossbeam body 1 includes a connecting section 13 and an intermediate section 14. Two connecting sections 13 are provided, and the two connecting sections 13 are respectively fixedly connected to the two ends of the intermediate section 14 along the length direction of the main board 11. The connecting section 13 protrudes toward the side of the main board 11 away from the flange 12 to form a first boss 131. The surface of the first boss 131 away from the flange 12 is flush with the surface of the intermediate section 14 away from the flange 12. The connection between the connecting section 13 and the intermediate section 14 is a smooth transition. The first boss 131 is provided with a first through hole 132, and the axis of the first through hole 132 coincides with the axis of the first boss 131. The number of the first boss 131 and the first through hole 132 is the same as the number of the connecting section 13 and corresponds one to one.

[0037] The middle section 14 is provided with an avoidance groove 145 on one side along the width direction of the main board 11. The avoidance groove 145 is located on the side of the middle section 14 away from the flange 12. The avoidance groove 145 extends along the length direction of the main board 11. The distance from the bottom of the avoidance groove 145 to the surface of the side of the middle section 14 away from the flange 12 is greater than the distance from the surface of the side of the connecting section 13 away from the flange 12 to the surface of the side of the middle section 14 away from the flange 12. The connection between the bottom of the avoidance groove 145 and the surface of the side of the middle section 14 away from the flange 12 is a smooth transition. The middle section 14 is provided with a plurality of second through holes 141, which are used for wiring harnesses to pass through. The plurality of wiring harnesses are divided into two groups, and the two groups of wiring harnesses are symmetrically distributed along the length direction of the main board 11. In this embodiment, one group of second through holes 141 is provided with two.

[0038] Reference Figure 1 and Figure 2 The main board 11 is provided with a reinforcing rib 144, which is located in the middle section 14, and the length direction of the reinforcing rib 144 is parallel to the length direction of the main board 11, and the reinforcing rib 144 protrudes toward the side close to the flange 12. In this embodiment, two reinforcing ribs 144 are provided, and the two reinforcing ribs 144 are symmetrically distributed along the width direction of the main board 11.

[0039] A groove 143 is provided on one side of the middle section 14 close to the avoidance groove 145. The groove 143 is located on one side of the avoidance groove 145 along the length direction of the avoidance groove 145. The groove 143 is used for inserting parts. A concave surface 142 is provided on the other side of the connecting section 13. The concave surface 142 is connected to the avoidance groove 145. The concave surface 142 is located on one side of the middle section 14 away from the groove 143 along the length direction of the main board 11. The concave surface 142 is used for inserting parts.

[0040] Reference Figure 2 and Figure 3A front subframe suspension crossbeam reinforcement plate also includes a connector 2. A plurality of welding surfaces 121 are provided at the flange 12, the plurality of welding surfaces 121 are parallel to each other, and the plurality of welding surfaces 121 are divided into two groups, and the two groups of welding surfaces 121 are symmetrically distributed along the width direction of the main board 11. In this embodiment, one group of welding surfaces 121 is provided with two, and the two welding surfaces 121 are respectively located on both sides of the middle section 14 along the length direction of the main board 11. Two connectors 2 are provided, and the two connectors 2 correspond to the welding surfaces 121. The connector 2 includes a welding portion 21 and a connecting portion 22. The connecting portion 22 is located on one side of the main board 11 close to the flange 12, and the length direction of the connecting portion 22 is parallel to the width direction of the main board 11. There are two welding portions 21, and the length directions of the two welding portions 21 are parallel to the thickness direction of the main board 11. One end of the two welding portions 21 along the length direction of the welding portion 21 is fixedly connected to the two ends of the connecting portion 22 along the length direction of the connecting portion 22 respectively. One end of the welding portion 21 away from the connecting portion 22 is fixedly connected to the welding surface 121. In this embodiment, the welding portion 21 is fixed to the welding surface 121 by welding. The side surface of the welding portion 21 facing the other welding portion 21 is in contact with the welding surface 121, and the side surface of the welding portion 21 facing the other welding portion 21 is fixedly connected with an insert 211, and the outer periphery of the end of the insert 211 away from the welding portion 21 is provided with a rounded corner 2111, and the rounded corner 2111 is used to abut against the end of the flange 12 away from the main board 11. The welding surface 121 is provided with an inserting groove 122, and the inserting groove 122 is used for the insert 211 to be inserted. The welding surface 121 is provided with a guide groove 123, and the guide groove 123 is used for the insert 211 to be slidably inserted. The number of the guide grooves 123 is the same as the number of the inserting grooves 122 and corresponds to each other, and the groove depth of the guide groove 123 is less than the groove depth of the inserting groove 122. The guide groove 123 extends along the length direction of the welding portion 21 , one end of the guide groove 123 along the length direction penetrates the groove wall of the embedding groove 122 away from the main board 11 , and the other end of the guide groove 123 penetrates the welding surface 121 .

[0041] The implementation principle of a front subframe suspension beam reinforcement plate in an embodiment of the present application is as follows: the connecting piece 2 is inserted from the side of the main board 11 close to the flange 12, and the rounded corner 2111 abuts against the bottom of the guide groove 123 away from the main board 11, so that the two welding parts 21 are away from each other, and the embedded block 211 slides through the guide groove 123 and then embeds into the embedded groove 122, and the welding part 21 fits with the welding surface 121, so as to facilitate the welding of the beam body 1 and the connecting piece 2.

[0042] The first boss 131 is placed against the outer wall of the front subframe on one side away from the flange 12, and the bolt is threadedly connected to the front subframe after passing through the first through hole 132. A reinforcing rib 144 is provided to improve the bending resistance of the crossbeam body 1 to the main board 11 in the length direction, thereby increasing the service life of the crossbeam body 1.

[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A front subframe suspension beam reinforcement plate, characterized in that: The crossbeam body (1) comprises a main board (11); the main board (11) protrudes toward one side in the thickness direction of the main board (11) to form a first boss (131); two first bosses (131) are provided; the two first bosses (131) are symmetrically distributed along the length direction of the main board (11); the first bosses (131) are provided with a first through hole (132); the first through hole (132) is used for a bolt to pass through and then be threadedly connected to a front subframe.

2. The front subframe suspension beam reinforcement plate according to claim 1, characterized in that: The crossbeam body (1) is integrally stamped.

3. The front subframe suspension beam reinforcement plate according to claim 2, characterized in that: A groove (143) and / or a concave surface (142) is provided on one side of the crossbeam body (1) protruding along the first boss (131); the groove (143) and / or the concave surface (142) are used for embedding parts.

4. The front subframe suspension beam reinforcement plate according to claim 2, characterized in that: The main board (11) is provided with a second through hole (141); the second through hole (141) is used for allowing a wire harness to pass through.

5. The front subframe suspension beam reinforcement plate according to claim 2, characterized in that: The main board (11) is provided with a reinforcing rib (144); the length direction of the reinforcing rib (144) is parallel to the length direction of the main board (11).

6. The front subframe suspension beam reinforcement plate according to claim 2, characterized in that: The crossbeam body (1) further comprises a flange (12); the flange (12) is connected to the outer periphery of the main plate (11); and the flange (12) extends along the circumference of the main plate (11).

7. The front subframe suspension beam reinforcement plate according to claim 6, characterized in that: The connection between the main plate (11) and the flange (12) is an arc transition.

8. The front subframe suspension beam reinforcement plate according to claim 6, characterized in that: The flange (12) is provided with a plurality of welding surfaces (121); the plurality of welding surfaces (121) are parallel to each other; the plurality of welding surfaces (121) are divided into two groups; the two groups of welding surfaces (121) are symmetrically distributed along a direction perpendicular to the length of the main board (11); and the welding surfaces (121) are used to fit with the inner wall of the connecting piece (2).

9. The front subframe suspension beam reinforcement plate according to claim 8, characterized in that: The welding surface (121) is provided with an embedding groove (122); the embedding groove (122) is used for embedding an embedding block (211) inside the connecting piece (2).

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