CN215096862U - Shock absorber mounting structure and car - Google Patents

Abstract

The utility model relates to the technical field of automobiles, in particular to a shock absorber mounting structure and an automobile. The shock absorber mounting structure that this disclosure provided includes: the shock absorber comprises a longitudinal beam assembly and a shock absorber mounting seat, wherein a cavity extending along the length direction of the longitudinal beam assembly is formed in the longitudinal beam assembly, and an opening is formed in one side of the cavity; and the shock absorber mounting seat is arranged in the cavity through the opening and is fixedly connected with the longitudinal beam assembly. The automobile provided by the disclosure comprises the shock absorber mounting structure. The shock absorber mounting structure and the automobile provided by the disclosure have the advantages that the shock absorber mounting seat is mounted in the cavity of the longitudinal beam assembly, the mounting requirement can be met, the shock absorber mounting seat is not prone to cracking, the strength is good, and the phenomenon that the shock absorber mounting seat bears a large concentrated load and is in overload failure can be reduced.

Description

Shock absorber mounting structure and car

Technical Field

The utility model relates to the technical field of automobiles, in particular to a shock absorber mounting structure and an automobile.

Background

With the improvement of consumption quality, the requirements of people on the comfort, the smoothness and the controllability of the vehicle are higher and higher. Air spring suspensions are increasingly used for rear suspensions of motor vehicles due to their excellent properties. Because its bumper shock absorber of rear air spring suspension and spring unit adopt two unification structures, the vehicle in-process of traveling, great road surface load can all concentrate through rear air spring suspension and transmit on the bumper shock absorber mount pad.

In the prior art, the shock absorber mounting seat is generally arranged on the outer side of the rear wheel cover inner plate, in order to ensure the mounting space and the use requirement of the rear shock absorber, the rear wheel cover inner plate generally needs a larger drawing depth, and the larger drawing depth is easy to cause the problem that the rear wheel cover inner plate is subjected to fatigue cracking due to excessive load.

Disclosure of Invention

In order to solve the technical problem described above or at least partially solve the technical problem, the present disclosure provides a shock absorber mounting structure and an automobile.

The present disclosure in a first aspect provides a shock absorber mounting structure, including:

the longitudinal beam assembly is provided with a cavity extending along the length direction of the longitudinal beam assembly, and one side of the cavity is provided with an opening;

and the shock absorber mounting seat is arranged in the cavity through the opening and is fixedly connected with the longitudinal beam assembly.

Further, the shock absorber mounting seat is provided with a groove for mounting a shock absorber;

the bottom surface of the groove is abutted against the top of the cavity, an extending part is arranged on the side surface of the groove along the direction far away from the bottom surface, the extending part is fixedly connected with the longitudinal beam assembly, and the area defined by the extending part is arranged at the opening.

Further, the longitudinal beam assembly comprises a bottom plate, a first side plate, a second side plate and a top plate;

the second side plate and the top plate are integrally formed, and the cavity is formed among the bottom plate, the first side plate, the second side plate and the top plate;

the bottom surface of the groove is fixedly connected with the top plate, and the extending part of the groove is fixedly connected with the bottom plate.

Furthermore, the bottom plate comprises a longitudinal beam front section and a longitudinal beam rear section, the longitudinal beam front section is fixedly connected with the longitudinal beam rear section, and the extension parts are respectively fixedly connected with the longitudinal beam front section and the longitudinal beam rear section.

Further, the shock absorber mounting structure further comprises a first mounting seat reinforcing plate, the first mounting seat reinforcing plate is fixedly connected with the top plate, the rear section of the longitudinal beam and the side face of the shock absorber mounting seat respectively, and the cavity is divided into a first cavity and a second cavity by the first mounting seat reinforcing plate.

Furthermore, the shock absorber mounting structure further comprises a second mounting seat reinforcing plate, and the second mounting seat reinforcing plate is fixedly connected with the side face of the shock absorber mounting seat and the rear section of the longitudinal beam respectively.

Furthermore, the shock absorber mounting structure further comprises a wheel cover inner plate and a wheel cover inner plate reinforcing plate assembly in a herringbone structure, wherein the wheel cover inner plate reinforcing plate assembly is fixedly mounted on the wheel cover inner plate, and the wheel cover inner plate reinforcing plate assembly is connected to the longitudinal beam assembly.

Furthermore, the wheel house inner panel reinforcing plate assembly comprises a first reinforcing member and a second reinforcing member which are connected in a cross mode, and the bottom of the first reinforcing member and the bottom of the second reinforcing member are fixedly connected with the longitudinal beam assembly respectively.

Further, the shock absorber mounting structure further comprises a third reinforcing member, and the third reinforcing member is fixedly connected with the wheel cover inner plate;

the third reinforcing part is arranged between the first reinforcing part and the second reinforcing part, the top of the third reinforcing part is fixedly connected with the wheel cover inner plate reinforcing plate assembly, and the bottom of the third reinforcing part is fixedly connected with the longitudinal beam assembly.

A second aspect of the present disclosure provides an automobile including the shock absorber mounting structure.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the shock absorber mounting structure provided by the embodiment of the disclosure comprises a longitudinal beam assembly and a shock absorber mounting seat, wherein a cavity extending along the length direction of the longitudinal beam assembly is formed in the longitudinal beam assembly, and the Z-direction rigidity of the shock absorber mounting seat of the rear air spring suspension can be increased. The shock absorber mounting seat is arranged in the cavity, so that the problems of deep drawing forming and cracking of the wheel cover inner plate caused by the fact that the shock absorber mounting seat is arranged on the wheel cover inner plate are solved. One side of cavity is provided with the opening, and the bumper shock absorber mount pad passes through the opening and sets up in the cavity and with longeron assembly fixed connection, can increase the life of bumper shock absorber mount pad. The shock absorber mounting structure provided by the embodiment of the disclosure installs the shock absorber mounting seat in the cavity of the longitudinal beam assembly, can meet the installation requirements, and the shock absorber mounting seat is not easy to crack and has better strength.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a first structural schematic view of a shock absorber mounting structure according to an embodiment of the present disclosure;

FIG. 2 is a second structural schematic view of a shock absorber mounting structure according to an embodiment of the present disclosure;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a schematic bottom view of the structure of FIG. 2;

FIG. 5 is a schematic structural view of the shock absorber mount of FIG. 2;

FIG. 6 is a schematic structural view of the wheel cover inner panel of FIG. 2 with the wheel cover inner panel removed;

FIG. 7 is a schematic sectional view taken along line A-A of FIG. 2;

fig. 8 is a schematic sectional view taken along line B-B in fig. 6.

Reference numerals: 1. a stringer assembly; 11. a base plate; 111. a longitudinal beam front section; 112. a rear section of the longitudinal beam; 12. a first side plate; 13. a top plate; 14. a cavity; 141. a first chamber; 142. a second chamber; 15. a second side plate; 2. a shock absorber mount; 21. a groove; 211. a bottom surface; 212. a side surface; 212a, an extension; 3. a first mount stiffener; 4. a second mount stiffener plate; 5. a wheel house inner plate; 6. a wheel cover inner plate reinforcing plate assembly; 61. a first reinforcement; 611. a first connecting plate; 612. a first reinforcing plate 62, a second reinforcing member; 621. a second connecting plate; 622. a second reinforcing plate; 63. a third reinforcement.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

The embodiment of the disclosure provides an automobile, which comprises a shock absorber and a shock absorber mounting structure, wherein the shock absorber is used as an important part of a suspension system and is a vulnerable part in the using process of the automobile, and the working condition of the shock absorber directly influences the running stability of the automobile and the service life of other parts.

The shock absorber mounting structure generally comprises a shock absorber mounting seat, the traditional shock absorber mounting seat is generally arranged on the outer side of the wheel cover inner plate, and in order to ensure the mounting space and the use requirement of the rear shock absorber, the wheel cover inner plate generally needs a larger drawing depth, so that the problem of fatigue cracking of the wheel cover inner plate due to bearing of an overlarge load is easily caused. Based on this, this disclosure embodiment provides a bumper shock absorber mounting structure, can make the bumper shock absorber mount pad have better biography power route, reduces the local overload of bumper shock absorber mount pad and loses efficacy and the possibility that the fracture takes place.

Referring to fig. 1, 2, 3 and 4, a shock absorber mounting structure provided by the embodiment of the present disclosure includes a longitudinal beam assembly 1 and a shock absorber mounting base 2, wherein a cavity 14 extending along the length direction of the longitudinal beam assembly 1 is formed in the longitudinal beam assembly 1, and the cavity 14 can increase the Z-directional stiffness of the shock absorber mounting base 2 of the rear air spring suspension. The shock absorber mounting seat 2 is arranged in the cavity 14, so that the problem that the wheel cover inner plate is subjected to fatigue cracking due to the fact that the shock absorber mounting seat 2 is arranged on the wheel cover inner plate 5 and the wheel cover inner plate 5 is designed to have a large drawing depth is solved. One side of cavity is provided with the opening, and the bumper shock absorber mount pad passes through the opening and sets up in the cavity and with longeron assembly fixed connection, can increase the life of bumper shock absorber mount pad 2.

As shown in fig. 5, the damper mount 2 is formed with a recess 21 for mounting the damper, which can increase the lifespan of the damper mount 2. When in use, the shock absorber is arranged in the groove 21 and is fixedly connected with the bottom surface 211 of the groove through a fastener. Bottom surface 211 of recess 21 and the top butt of cavity 14 form vertical first bearing structure, and is preferred, bottom surface 211 and cavity 14 fixed connection of recess 21, and is preferred, and the bottom surface 211 and the cavity 14 of recess 21 pass through welded connection, can improve the stability of connecting, form stable vertical first bearing structure.

Along the direction far away from the bottom surface 211, the side surface 212 of the groove 21 has an extending portion 212a, the extending portion 212a is fixedly connected with the longitudinal beam assembly 1 to form a second vertical supporting structure, and preferably, the extending portion 212a is connected with the longitudinal beam assembly 1 by welding. The extension 212a may be a cuff structure. The vertical first supporting structure and the vertical second supporting structure can realize the dispersed transmission of the variable-amplitude variable-frequency Z-direction, X-direction and Y-direction road surface excitation loads to the longitudinal beam assembly 1, and can reduce the overload failure phenomenon of the shock absorber mounting seat 2 due to the bearing of larger concentrated loads. Meanwhile, the vertical first supporting structure and the vertical second supporting structure improve the overall dynamic stiffness and the static stiffness of the shock absorber mounting seat 2. The shock absorber mounting structure provided by the embodiment of the disclosure installs the shock absorber mounting seat in the cavity 14 of the longitudinal beam assembly 1, can meet the installation requirements, and the shock absorber mounting seat is not easy to crack and has better strength.

As shown in fig. 2 and 7, the longitudinal beam assembly 1 includes a bottom plate 11, a first side plate 12, a second side plate 15, and a top plate 13; the second side plate 15 and the top plate are integrally formed, a cavity 14 is formed among the bottom plate 11, the first side plate 12, the second side plate 15 and the top plate 13, the bottom surface 211 of the groove 21 is fixedly connected with the top plate 13, and the extension part 212a of the groove 21 is fixedly connected with the bottom plate 11.

The first side plate 12 and the second side plate 15 are fixedly connected with the bottom plate 11 and the top plate 13 respectively. The first side plate 12 and the second side plate 15 are connected to the bottom plate 11 and the top plate 13, respectively, by welding. A cavity 14 is formed among the bottom plate 11, the first side plate 12, the second side plate 15 and the top plate 13, and the shock absorber mounting seat 2 is fixedly connected with the top plate 13. The bottom plate 11, the first side plate 12, the second side plate 15 and the top plate 13 form a cavity 14 structure, and the Z-direction rigidity of the rear air spring suspension shock absorber mounting seat 2 can be increased. By dispersedly transmitting the stress of the shock absorber mounting seat 2 to the top plate 13 and the bottom plate 11, the phenomenon that the shock absorber mounting seat 2 of the rear air spring suspension bears large concentrated load and is in overload failure can be reduced.

Alternatively, the damper mount 2 and the top plate 13 may be connected by welding. Optionally, the shock absorber mounting seat 2 and the top plate 13 are of an integrated structure, so that the machining is convenient, the machining efficiency can be improved, and the machining cost is saved.

In some specific embodiments, the bottom plate 11 includes a longitudinal beam front section 111 and a longitudinal beam rear section 112, the longitudinal beam front section 111 and the longitudinal beam rear section 112 are fixedly connected, the split bottom plate 11 can reduce the risk of part forming cracking, the longitudinal beam front section 111 and the longitudinal beam rear section 112 can be processed respectively, and meanwhile, the longitudinal beam front section 111 and the longitudinal beam rear section 112 can be set to different thicknesses so as to meet the design requirements of performance and light weight at the same time. When one of the front side member section 111 and the rear side member section 112 is damaged, only the damaged portion is replaced, and the undamaged portion can be used continuously. The extension portion 212a is fixedly connected to the front longitudinal beam section 111 and the rear longitudinal beam section 112 respectively, so as to form a second vertical supporting structure. The vertical first supporting structure and the vertical second supporting structure can realize the scattered transmission of the Z-direction, X-direction and Y-direction road surface excitation loads of variable amplitude and variable frequency to the front section 111 and the rear section 112 of the longitudinal beam respectively, can reduce the phenomenon that the shock absorber installation seat 2 bears large concentrated loads and has overload failure, can also enable the shock absorber installation seat to have a better force transmission path, and reduces the possibility of local overload failure and cracking of the shock absorber installation seat.

As shown in fig. 6 and 8, the damper mounting structure further includes a first mounting base reinforcing plate 3, the first mounting base reinforcing plate 3 is respectively and fixedly connected to the top plate 13, the longitudinal beam rear section 112, and the side 212 of the damper mounting base 2 to form an integral bearing structure, the first mounting base reinforcing plate 3 divides the cavity 14 into a first cavity 141 and a second cavity 142, so that the cross section of the integral bearing structure is a double-rectangular cavity 14 structure, and the double-rectangular structure has higher lifting effects on the rigidity of the rear air spring suspension damper mounting base 2 in the overall Y direction, the X direction and the Z direction, so as to ensure that the rear air spring suspension damper mounting base reaches higher dynamic rigidity and static rigidity, and is beneficial to improving the control, smoothness and NVH performance of the entire vehicle. Preferably, the first mounting seat reinforcing plate 3 is respectively connected with the top plate 13, the longitudinal beam rear section 112 and the side surface 212 of the damper mounting seat 2 by welding, so that the connection stability can be improved, and the damper mounting seat 2 can form a welded whole.

In some specific embodiments, the shock absorber mounting structure further comprises a second mounting seat reinforcing plate 4, and the second mounting seat reinforcing plate 4 is fixedly connected with the side surface 212 of the shock absorber mounting seat 2 and the longitudinal beam rear section 112 respectively, so that the shock absorber mounting structure forms an integral bearing structure. The second mounting seat reinforcing plate 4 is respectively connected with the side surface 212 of the shock absorber mounting seat 2 and the longitudinal beam rear section 112 in a welding mode, so that the connection stability can be improved, and the shock absorber mounting seat 2 is integrally welded.

As shown in fig. 1, the shock absorber mounting structure further includes a wheel house inner plate 5 and a wheel house inner plate reinforcing plate assembly 6, the wheel house inner plate 5 is fixedly connected with the longitudinal beam assembly 1, and the wheel house inner plate reinforcing plate assembly 6 is fixedly connected with the wheel house inner plate 5. In order to solve the problems of local overload failure and cracking when the shock absorber mounting seat is stressed and impacted, the wheel cover inner plate reinforcing plate assembly 6 is in a herringbone structure along the height direction of an automobile, the wheel cover inner plate reinforcing plate assembly 6 is fixedly arranged on the wheel cover inner plate 5, and the wheel cover inner plate reinforcing plate assembly 6 is connected to the longitudinal beam assembly 1. When the shock absorber mounting seat is stressed, the herringbone structure is respectively connected with the wheel cover inner plate 5 and the bottom plate 11, three force transmission paths can be formed, so that loads are transmitted in a dispersed mode in multiple directions from top to bottom through the wheel cover inner plate 5, the shock absorber mounting seat can have good force transmission paths, the possibility of local overload failure and cracking of the shock absorber mounting seat is reduced, the possibility of overload failure and durability failure caused by load concentration is further reduced, high dynamic stiffness and static stiffness can be guaranteed, and the improvement of the controllability, the smoothness and the NVH performance of the whole vehicle is facilitated.

In some specific embodiments, the wheel house inner panel reinforcement plate assembly 6 includes a first reinforcement 61 and a second reinforcement 62 that are connected in a cross-connection manner, and a bottom portion of the first reinforcement 61 and a bottom portion of the second reinforcement 62 are fixedly connected to the side rail assembly 1, respectively. Thus, the load can be dispersed and transmitted in a plurality of directions from top to bottom through the wheel house inner panel 5 and the first and second reinforcements 61 and 62, the shock absorber mounting seat can have a better force transmission path, the possibility of local overload failure and cracking of the shock absorber mounting seat is reduced, and the problems of overload failure and durability failure caused by load concentration are further reduced. In other words, by providing the first reinforcement 61 and the second reinforcement 62 in the middle of the chevron structure in connection with the bottom plate 11 and the top plate 13, three force transmission paths are formed when the shock absorber mount is subjected to a force, and the occurrence of overload failure and endurance failure due to load concentration can be reduced.

In order to further increase the dynamic stiffness, static stiffness and local durability of the shock absorber mounting seat 2, a first reinforcing member 61 and a second reinforcing member 62 are arranged at the corresponding positions of the top plate 13 and the top surface of the shock absorber mounting plate, and the first reinforcing member 61 and the second reinforcing member 62 can be locally thickened to ensure sufficient dynamic stiffness and static stiffness and reduce the occurrence probability of durability failure.

Optionally, the first reinforcement member 61 includes a first connecting plate 611 and a first reinforcing plate 612 that are connected to each other, the first reinforcing plate 612 is fixedly connected to the wheel house inner panel 5, and the first connecting plate 611 is fixedly connected to the longitudinal beam assembly 1; the second reinforcing member 62 includes a second connecting plate 621 and a second reinforcing plate 622 that are connected to each other, the second reinforcing plate 622 is fixedly connected to the wheel house inner panel 5, and the second connecting plate 621 is fixedly connected to the longitudinal beam assembly 1. The first reinforcing member 61 and the second reinforcing member 62 may be thickened to ensure sufficient dynamic stiffness and static stiffness at the first reinforcing member 61 and the second reinforcing member 62, so as to reduce the occurrence probability of endurance failure.

Preferably, the first reinforcing plate 612 is connected with the wheel cover inner plate 5 by welding, the first connecting plate 611 is connected with the longitudinal beam assembly 1 by welding, the second reinforcing plate 622 is connected with the wheel cover inner plate 5 by welding, and the second connecting plate 621 is connected with the longitudinal beam assembly 1 by welding, so that the connection stability can be improved.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A shock absorber mounting structure, comprising:

the longitudinal beam assembly (1), a cavity (14) extending along the length direction of the longitudinal beam assembly (1) is formed in the longitudinal beam assembly (1), and an opening is formed in one side of the cavity (14);

and the shock absorber mounting seat (2) is arranged in the cavity (14) through the opening and is fixedly connected with the longitudinal beam assembly (1).

2. The damper mounting structure according to claim 1, wherein the damper mount (2) is formed with a groove (21) for mounting a damper;

the bottom surface (211) of the groove (21) is abutted against the top of the cavity (14), and along the direction far away from the bottom surface (211), the side surface (212) of the groove (21) is provided with an extending part (212a), the extending part (212a) is fixedly connected with the longitudinal beam assembly (1), and the area enclosed by the extending part (212a) is arranged at the opening.

3. The shock absorber mounting structure according to claim 2, wherein the side member assembly (1) includes a bottom plate (11), a first side plate (12), a second side plate (15), and a top plate (13);

the second side plate (15) and the top plate are integrally formed, and the cavity (14) is formed among the bottom plate (11), the first side plate (12), the second side plate (15) and the top plate (13);

the bottom surface (211) of the groove (21) is fixedly connected with the top plate (13), and the extension part (212a) of the groove (21) is fixedly connected with the bottom plate (11).

4. The shock absorber mounting structure according to claim 3, wherein the bottom plate (11) includes a longitudinal member front section (111) and a longitudinal member rear section (112), the longitudinal member front section (111) and the longitudinal member rear section (112) are fixedly connected, and the extension portion (212a) is fixedly connected to the longitudinal member front section (111) and the longitudinal member rear section (112), respectively.

5. The shock absorber mounting structure according to claim 4, further comprising a first mount reinforcing plate (3), the first mount reinforcing plate (3) being fixedly connected to the top plate (13), the side member rear section (112) and the side face (212) of the shock absorber mount (2), respectively, the first mount reinforcing plate (3) dividing the cavity (14) into a first chamber (141) and a second chamber (142).

6. The shock absorber mounting structure according to claim 5, further comprising a second mount reinforcing plate (4), the second mount reinforcing plate (4) being fixedly connected to the side face (212) of the shock absorber mount (2) and the side member rear section (112), respectively.

7. The shock absorber mounting structure according to any one of claims 1 to 6, further comprising a wheel house inner panel (5) and a wheel house inner panel reinforcement plate assembly (6) in a herringbone structure, wherein the wheel house inner panel reinforcement plate assembly (6) is fixedly mounted on the wheel house inner panel (5), and the wheel house inner panel reinforcement plate assembly (6) is connected to the longitudinal beam assembly (1).

8. The damper mounting structure according to claim 7, wherein the wheel house inner panel reinforcement plate assembly (6) includes a first reinforcement (61) and a second reinforcement (62) that are cross-connected, and a bottom portion of the first reinforcement (61) and a bottom portion of the second reinforcement (62) are fixedly connected to the side member assembly (1), respectively.

9. The shock absorber mounting structure according to claim 8, further comprising a third reinforcement member (63), the third reinforcement member (63) being fixedly connected to the wheel house inner panel (5);

the third reinforcing piece (63) is arranged between the first reinforcing piece (61) and the second reinforcing piece (62), the top of the third reinforcing piece (63) is fixedly connected with the wheel cover inner plate reinforcing plate assembly (6), and the bottom of the third reinforcing piece is fixedly connected with the longitudinal beam assembly (1).

10. An automobile characterized by comprising the shock absorber mounting structure according to any one of claims 1 to 9.

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