CN221114077U - Connecting rod installing support and sub vehicle frame assembly - Google Patents

Abstract

The application discloses a connecting rod mounting bracket and an auxiliary frame assembly, which solve the technical problems that the strength of the mounting bracket and the collision performance of the auxiliary frame in the prior art are to be optimized. The connecting rod mounting bracket is used for mounting one connecting rod in the five-connecting-rod mechanism on the auxiliary frame and is used for being mounted at the front end of a longitudinal beam of the auxiliary frame; the connecting rod installing support includes support body and reinforcing plate, and the reinforcing plate has two angle edges, and support body is connected with one of them angle edge of reinforcing plate, and another angle edge of reinforcing plate is used for connecting the longeron of sub vehicle frame, has improved the structural rigidity of first connecting rod installing support, and the design of arc extension face in the reinforcing plate can strengthen the ability that sub vehicle frame longeron resisted collision deformation, has improved the security performance of whole car.

Description

Connecting rod installing support and sub vehicle frame assembly

Technical Field

The application belongs to the technical field of automotive suspensions, and particularly relates to a connecting rod mounting bracket and an auxiliary frame assembly.

Background

The auxiliary frame is used as a key part in a suspension system, and the auxiliary frame is used for transmitting force and motion to a vehicle body through connecting wheel edge parts by the control arm, isolating vibration and noise, improving riding comfort and increasing local rigidity of the vehicle body. The common auxiliary frame generally adopts a frame structure and is formed by overlapping and welding a front cross beam, a rear cross beam and left and right longitudinal tube beams; the five-bar linkage is installed on the auxiliary frame through the installing support, the load born by the auxiliary frame is larger in the using process of the vehicle, so that the working stress of the cross beam and the longitudinal beam is larger, and the strength of the installing support and the collision performance of the auxiliary frame are required to be optimized.

Disclosure of Invention

The application provides a connecting rod mounting bracket and an auxiliary frame assembly, which aim to solve the technical problems that the strength of the existing mounting bracket and the collision performance of the auxiliary frame are to be optimized.

In a first aspect of the present application, there is provided a link mounting bracket for mounting a five-bar mechanism to a subframe, the link mounting bracket comprising a first bracket for mounting at a rail front end of the subframe; the first support comprises a support body and a reinforcing plate, wherein the reinforcing plate is provided with two corner clamping edges, the support body is connected with one corner clamping edge of the reinforcing plate, and the other corner clamping edge of the reinforcing plate is used for being connected with a longitudinal beam of the auxiliary frame.

Further, the reinforcing plate is in a fan shape, the fan shape is provided with an arc edge, the arc edge of the reinforcing plate is connected with the ends of the two corner edges, and the arc edge of the reinforcing plate extends from the front end of the longitudinal beam of the auxiliary frame to the direction of the first bracket;

The reinforcing plate is parallel to the plane of the auxiliary frame.

Further, the first support is U-shaped, and one side wall of the first support is connected with one corner edge of the reinforcing plate.

Further, the extension length of the arc-shaped edge of the reinforcing plate is 1-2 times of the width of the first bracket.

Further, the extension length of the arc-shaped edge of the reinforcing plate is 1.5 times of the width of the first bracket.

Further, the reinforcing plate is welded and fixed with the first bracket.

Further, the link mounting bracket further includes:

The second bracket is arranged in the middle of a longitudinal beam of the auxiliary frame;

the third bracket is arranged at the rear end of the longitudinal beam of the auxiliary frame;

the fourth bracket is arranged on the rear cross beam of the auxiliary frame;

And the fifth bracket is arranged on the rear cross beam of the auxiliary frame.

Further, the fourth bracket is positioned at the axial end part of the rear cross beam of the auxiliary frame; the fifth bracket is located on a side face of the auxiliary frame cross member.

In a second aspect of the present application, there is provided a subframe assembly comprising: the auxiliary frame and the connecting rod mounting bracket are mounted on the auxiliary frame.

Further, the auxiliary frame comprises a left longitudinal beam, a right longitudinal beam, a front cross beam and a rear cross beam, and the left longitudinal beam, the right longitudinal beam, the front cross beam and the rear cross beam form a frame structure; the frame structure is integrally formed;

the middle parts of the left longitudinal beam and the right longitudinal beam are respectively provided with an avoidance recess.

According to one or more embodiments of the present application, a link mounting bracket and a subframe assembly are provided, wherein the link mounting bracket is used for mounting one of five link mechanisms on a subframe, and the link mounting bracket is used for being mounted on the front end of a longitudinal beam of the subframe; the connecting rod installing support includes support body and reinforcing plate, and the reinforcing plate has two angle edges, and support body is connected with one of them angle edge of reinforcing plate, and another angle edge of reinforcing plate is used for connecting the longeron of sub vehicle frame, has improved the structural rigidity of first connecting rod installing support, and the design of arc extension face in the reinforcing plate can strengthen the ability that sub vehicle frame longeron resisted collision deformation, has improved the security performance of whole car.

Drawings

FIG. 1 illustrates a schematic structural view of a subframe assembly and a link mounting bracket in accordance with one or more embodiments of the present application.

Fig. 2 shows a schematic structural view of the subframe assembly of fig. 1.

Fig. 3 shows a schematic structural view of the subframe assembly of fig. 1 at a certain viewing angle.

Fig. 4 shows a schematic structural view of the subframe assembly of fig. 1 from another perspective.

Reference numerals illustrate: 100-connecting rod installing support, 101-first support, 1011-support body, 1012-reinforcing plate, 102-second support, 103-third support, 104-fourth support, 105-fifth support, 110-auxiliary frame assembly, 111-left longitudinal beam, 112-right longitudinal beam, 113-front cross beam, 114-rear cross beam, 1141-first connecting plate, 1142-second connecting plate, 115-avoidance recess, 116-process hole, 117-avoidance groove.

Detailed Description

In order to make the present application more clearly understood by those skilled in the art, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Referring to fig. 1 to 4, in a first aspect of the present application, there is provided a link mounting bracket 100 for mounting a five-bar mechanism to a subframe, the link mounting bracket 100 including a first bracket 101 for mounting at a front end of a rail of the subframe; the first bracket 101 includes a bracket body 1011 and a reinforcing plate 1012, the reinforcing plate 1012 having two corner edges, the bracket body 1011 being connected to one of the corner edges of the reinforcing plate 1012, the other corner edge of the reinforcing plate 1012 being used to connect the side members of the subframe. The structural rigidity of the first connecting rod mounting bracket 100 is improved, the design of the arc-shaped extension surface in the reinforcing plate 1012 can enhance the capability of the auxiliary frame longitudinal beam in resisting collision deformation, and the safety performance of the whole vehicle is improved.

Referring to fig. 1 and 2, in some embodiments, a first bracket 101 is located at one side of a side member of a subframe and is used for connecting with one of the links of the five-bar linkage, the subframe has two side members, and two link mounting brackets are disposed on the two side members, that is, two sets of link mounting brackets are used for respectively mounting two corresponding sets of five-bar linkage on two side members of the subframe.

Referring to fig. 1 and 2, in order to reduce the weight of the parts and to satisfy the ability of the side member to resist the deformation of the side member due to the collision, in some embodiments, the reinforcing plate 1012 is in a fan shape, the fan shape has an arc-shaped side, the arc-shaped side of the reinforcing plate 1012 is connected with the ends of two corner edges, and the arc-shaped side of the reinforcing plate 1012 extends from the front end of the side member of the subframe toward the first bracket 101. One of the two corner edges is connected with the longitudinal beam, the arc edge of the reinforcing plate 1012 extends from the front end of the longitudinal beam of the auxiliary frame to the direction of the first bracket 101, and in the collision process, the stress can extend along the extending direction of the arc edge of the reinforcing plate 1012, so that the capability of the longitudinal beam for resisting collision deformation is met while the material is saved.

Referring to fig. 1 and fig. 2, in some embodiments, the fan-shaped reinforcing plate 1012 has a front wide and rear narrow structure, the front wide portion is an arc edge of the fan-shaped reinforcing plate 1012, one end of the arc edge is connected with the longitudinal beam, and the other end of the arc edge extends to be connected with the bracket body 1011, so that the utilization rate of materials can be improved, and meanwhile, under the condition of meeting the connection between the longitudinal beam and the bracket body 1011, the weight of parts is reduced, and the cost is reduced to a certain extent.

Referring to fig. 1 and 2, in order to further improve the safety performance of the whole vehicle, in some embodiments, the stiffener 1012 is parallel to the plane of the subframe. In this case, a corner edge of the fan-shaped reinforcing plate 1012 is 180 ° with a plane of the subframe, in other embodiments, a corner edge of the fan-shaped reinforcing plate 1012 may be 170 ° -190 °, specifically 170 °, 172 °, 75 °, 177 ° or 180 °, where the reinforcing plate 1012 is parallel to the plane of the subframe.

Referring to fig. 1 and 2, in some embodiments, the first bracket 101 has a U-shape, and one of the side walls of the first bracket 101 is connected to one corner edge of the stiffener 1012. The first bracket 101U-shaped structure includes two risers and a transverse plate connected to the two risers, wherein one of the risers is connected to one corner edge of the fan-shaped reinforcing plate 1012, and the transverse plate is located at a side far away from the reinforcing plate 1012.

Referring to fig. 1 and 2, in some embodiments, the U-shaped stiffener 1012 is a stamped integral structure.

Referring to fig. 1 and fig. 2, in order to further enhance the capability of the sub-frame side member to resist the collision deformation, in some embodiments, the extension length of the arc-shaped edge of the reinforcing plate 1012 is 1-2 times the width of the first bracket 101, and when the extension length of the arc-shaped edge of the reinforcing plate 1012 is 1-2 times the width of the first bracket 101, in the state of the collision deformation, the arc-shaped edge of the fan-shaped reinforcing plate 1012 can perform a part of stress buffering, and since the left side member 111 and the right side member 112 are both provided with the fan-shaped reinforcing plate 1012, one corner edge of the fan-shaped reinforcing plate 1012 is connected with the side member, so that the capability of the side member to resist the collision deformation can be enhanced, thereby enhancing the safety performance of the whole vehicle.

Referring to fig. 1 and 2, in some embodiments, the arcuate edge of the stiffening plate 1012 extends 1.5 times the width of the first bracket 101.

Referring to fig. 1 and 2, in order to further increase the strength of the first bracket 101, in some embodiments, the stiffener 1012 is welded to the first bracket 101. Namely, one corner edge of the fan-shaped reinforcing plate 1012 is welded and fixed with the first bracket 101, when the first bracket 101 is of a U-shaped structure, namely, the first bracket 101 comprises two vertical plates and a transverse plate connected with the two vertical plates, at the moment, one corner edge of the fan-shaped reinforcing plate 1012 is connected with the vertical plate close to the reinforcing plate 1012, a welding mode can be specifically adopted, when one corner edge of the fan-shaped reinforcing plate 1012 is welded with one vertical plate of the first bracket 101, and the other corner edge of the fan-shaped reinforcing plate 1012 is welded with a longitudinal beam to form a whole. The structural rigidity and strength performance of the first bracket 101 are improved by welding the reinforcing plate 1012 to the first bracket 101 and the stringers as a unit.

Referring to fig. 1 and 2, in some embodiments, the link mounting bracket 100 further includes a second bracket 102, a third bracket 103, a fourth bracket 104, and a fifth bracket 105, where the fifth link mechanism is respectively connected to the corresponding first bracket 101, the second bracket 102, the third bracket 103, the fourth bracket 104, and the fifth bracket 105, the first bracket 101 is mounted on a front portion of a side member of the subframe, and the second bracket 102 is mounted on a middle portion of the side member of the subframe; the third bracket 103 is arranged at the rear end of the longitudinal beam of the auxiliary frame; the fourth bracket 104 is mounted to the rear cross member 114 of the subframe; the fifth bracket 105 is mounted to the rear cross member 114 of the subframe.

Referring to fig. 1 and 2, in some embodiments, the first bracket 101, the second bracket 102, and the third bracket 103 are all connected to the stringers by welding, and the fourth bracket 104 and the fifth bracket 105 are all connected to the rear cross member 114 by welding.

Referring to fig. 1 and 2, in some embodiments, the fourth bracket 104 is located at an axial end of the rear cross member 114 of the subframe; the fifth bracket 105 is located on the side of the subframe rail.

Referring to fig. 1 and fig. 2, in some embodiments, the rear cross member 114 may be formed by splicing a first connecting plate 1141 and a second connecting plate 1142, where the first connecting plate 1141 and the second connecting plate 1142 are bending plates, and bending parts of the first connecting plate 1141 and the second connecting plate 1142 are opposite, and after the first connecting plate 1141 and the second connecting plate 1142 are spliced, a chamber is enclosed, specifically, the bending parts of the first connecting plate 1141 and the second connecting plate 1142 are welded.

Referring to fig. 1 and 2, in some embodiments, the end of the first connection plate 1141 and the end of the second connection plate 1142 are spaced apart from the portion of the stringer, and the spaced apart portions of the end of the first connection plate 1141 and the end of the second connection plate 1142 form the fourth bracket 104.

Referring to fig. 1 and 2, in some embodiments, a portion of the fifth bracket 105 is connected to the second connection plate 1142 of the rear cross member 114, and another portion is connected to the side member. The fifth bracket 105 includes three mounting plates, where the three mounting plates are connected in pairs, and the three mounting plates enclose a chamber, where two mounting plates are connected to the second connection plate 1142 of the rear cross member 114, and another mounting plate is connected to the longitudinal beam, and may specifically be connected by welding.

Referring to fig. 3 and 4, a second aspect of the present application provides a subframe assembly 110, comprising: a subframe and the above-described link mounting bracket 100 mounted on the subframe. The connecting rod mounting bracket 100 comprises a first bracket 101, a second bracket 102, a third bracket 103, a fourth bracket 104 and a fifth bracket 105, wherein the five-bar mechanism is respectively connected with the corresponding first bracket 101, the second bracket 102, the third bracket 103, the fourth bracket 104 and the fifth bracket 105, the first bracket 101 is mounted at the front part of a longitudinal beam of the auxiliary frame, and the second bracket 102 is mounted at the middle part of the longitudinal beam of the auxiliary frame; the third bracket 103 is arranged at the rear end of the longitudinal beam of the auxiliary frame; the fourth bracket 104 is mounted to the rear cross member 114 of the subframe; the fifth bracket 105 is mounted to the rear cross member 114 of the subframe.

Referring to fig. 3 and 4, in some embodiments, the subframe includes a left side member 111, a right side member 112, a front cross member 113, and a rear cross member 114, the left side member 111, the right side member 112, the front cross member 113, and the rear cross member 114 forming a frame structure; the frame structure is integrally formed.

Referring to fig. 3 and 4, in some embodiments, the subframe includes a left side member 111, a right side member 112, a front cross member 113, and a rear cross member 114, the left side member 111, the right side member 112, the front cross member 113, and the rear cross member 114 forming a frame structure; the left longitudinal beam 111 and the right longitudinal beam 112 are symmetrically arranged at intervals, the structures of the left longitudinal beam 111 and the right longitudinal beam 112 are the same, and the frame structure is integrally formed;

Referring to fig. 3 and 4, in some embodiments, the left side member 111, the right side member 112, and the front cross member 113 may be pipe members, and the rear cross member 114 may be formed by splicing a first connecting plate 1141 and a second connecting plate 1142, specifically, the first connecting plate 1141 and the second connecting plate 1142 are welded. The rear cross beam 114 may be formed by splicing a first connecting plate 1141 and a second connecting plate 1142, where the first connecting plate 1141 and the second connecting plate 1142 are bending plates, the bending parts of the first connecting plate 1141 and the second connecting plate 1142 are opposite, and after the first connecting plate 1141 and the second connecting plate 1142 are spliced, a chamber is formed.

Referring to fig. 3 and 4, in some embodiments, the subframe is required to bear forces and moments from various directions of the road surface and the power assembly during use, the forces and moments in various directions are transmitted to the subframe through the control arm, the control arm may be connected to the first, second, third, fourth and fifth brackets 101, 102, 103, 104 and 105 of the subframe through bolts, and the first, second, third, fourth and fifth brackets 101, 102, 103, 104 and 105 may be connected to the subframe body through welding, i.e., the first, second and third brackets 101, 102 and 103 are connected to the left and right side rails 111 and 112 through welding, and the fourth and fifth brackets 104 and 105 are connected to the rear cross member 114 through welding.

Thus, the first bracket 101, the second bracket 102, the third bracket 103, the fourth bracket 104 and the fifth bracket 105 are all required to bear corresponding loads so as to ensure the balance of the stress of the auxiliary frame.

Referring to fig. 3 and 4, in some embodiments, the first, second and third brackets 101, 102 and 103 are located at the front, middle and rear ends of the stringers, respectively, wherein the first, second and third brackets 101, 102 and 103 are disposed on the left and right stringers 111 and 112, respectively.

Referring to fig. 3 and 4, in some embodiments, the middle portions of the left side member 111 and the right side member 112 are each provided with a relief recess 115. The second support 102 is installed in the middle of the left longitudinal beam 111 and the right longitudinal beam 112, and an avoidance recess 115 is arranged below the connection positions of the left longitudinal beam 111 and the right longitudinal beam 112 and the corresponding second support 102. The five-bar linkage can be better connected with the corresponding connecting rod mounting bracket 100, the installation clearance between the five-bar linkage and the connecting rod mounting bracket 100 can be ensured, and the arrangement of related parts is better realized.

Referring to fig. 3 and 4, in some embodiments, the rear cross member 114 is provided with a process hole 116 and an avoidance slot 117, and the avoidance slot 117 may be used for avoiding the exhaust pipe.

In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" indicate orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

In the present application, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A connecting rod mounting bracket for mounting a five-bar mechanism to a subframe, the connecting rod mounting bracket comprising a first bracket for mounting at a front end of a rail of the subframe; the first support comprises a support body and a reinforcing plate, wherein the reinforcing plate is provided with two corner clamping edges, the support body is connected with one corner clamping edge of the reinforcing plate, and the other corner clamping edge of the reinforcing plate is used for being connected with a longitudinal beam of the auxiliary frame.

2. The link mounting bracket of claim 1, wherein the reinforcement plate is in the shape of a sector having arcuate edges, the arcuate edges of the reinforcement plate being connected to the ends of two corner edges, the arcuate edges of the reinforcement plate extending from the front ends of the side rails of the subframe toward the first bracket;

The reinforcing plate is parallel to the plane of the auxiliary frame.

3. The link mounting bracket of claim 1, wherein the first bracket is U-shaped, and wherein one of the side walls of the first bracket is connected to one of the corner edges of the reinforcement plate.

4. A connecting rod mounting bracket according to any one of claims 1 to 3, wherein the arcuate edge of the reinforcing plate extends 1 to 2 times the width of the first bracket.

5. The link mounting bracket of claim 4, wherein the arcuate edge of the reinforcement plate extends 1.5 times the width of the first bracket.

6. A connecting rod mounting bracket according to any one of claims 1 to 3, wherein the reinforcing plate is welded to the first bracket.

7. A link mounting bracket according to any one of claims 1-3, further comprising:

The second bracket is arranged in the middle of a longitudinal beam of the auxiliary frame;

the third bracket is arranged at the rear end of the longitudinal beam of the auxiliary frame;

the fourth bracket is arranged on the rear cross beam of the auxiliary frame;

And the fifth bracket is arranged on the rear cross beam of the auxiliary frame.

8. The link mounting bracket of claim 7, wherein the fourth bracket is located at an axial end of a rear cross member of the subframe; the fifth bracket is located on a side face of the auxiliary frame cross member.

9. A subframe assembly, comprising: a subframe and a link mounting bracket as claimed in any one of claims 1 to 8 mounted on the subframe.

10. The subframe assembly of claim 9 wherein the subframe comprises a left side rail, a right side rail, a front cross rail, and a rear cross rail, the left side rail, right side rail, front cross rail, and rear cross rail forming a frame structure; the frame structure is integrally formed;

the middle parts of the left longitudinal beam and the right longitudinal beam are respectively provided with an avoidance recess.