CN113200090B - Rear suspension mounting structure and vehicle body structure - Google Patents
Rear suspension mounting structure and vehicle body structure Download PDFInfo
- Publication number
- CN113200090B CN113200090B CN202110596472.8A CN202110596472A CN113200090B CN 113200090 B CN113200090 B CN 113200090B CN 202110596472 A CN202110596472 A CN 202110596472A CN 113200090 B CN113200090 B CN 113200090B
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- mounting
- rear suspension
- floor
- plate
- reinforcing plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/11—Understructures, i.e. chassis frame on which a vehicle body may be mounted with resilient means for suspension, e.g. of wheels or engine; sub-frames for mounting engine or suspensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
Abstract
The invention discloses a rear suspension mounting structure and a vehicle body structure, wherein the rear suspension mounting structure comprises a mounting plate, the mounting plate is provided with a mounting surface extending along the horizontal direction, the middle part of the mounting surface is concavely provided with a groove, the bottom wall surface of the groove is penetrated with a plurality of mounting holes arranged along the circumferential direction of the mounting plate at intervals, the mounting holes are used for threaded sleeves to penetrate so as to be connected with a rear suspension, and the mounting surface is used for being mounted to the vehicle body structure. Make the mounting panel forms the box type structure that the middle part is sunken but still support with the automobile body structure all around and be connected, because the mounting panel is box type structure, supports intensity when the side direction atress good for the impact of side direction along the surface conduction of mounting panel is to the automobile body structure that corresponds on, and the conduction is effectual.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a rear suspension mounting structure and a vehicle body structure.
Background
The rear suspension mounting structure is used as a force transmission channel between the rear part of the side sill and the floor beam frame and plays an important role in protecting side collision members. The sheet metal structure disconnection of trailing arm motion route department, the mounting panel forms a U type structure for dodging the motion envelope of trailing arm, and when the side impact, the U type structure easily receives the extrusion conquassation, and side direction biography power efficiency is relatively poor, causes the rear column hypomere to warp the invasion volume seriously easily, and the passenger receives the injury.
Disclosure of Invention
The invention mainly aims to provide a rear suspension mounting structure and a vehicle body structure, aiming at changing the structural strength and the conduction effect of a rear suspension when the rear suspension is subjected to collision force by changing the structural form of the rear suspension.
In order to achieve the purpose, the invention provides a rear suspension mounting structure which comprises a mounting plate, wherein the mounting plate is provided with a mounting surface extending along the horizontal direction, the middle part of the mounting surface is concavely provided with a groove, a plurality of mounting holes are formed in the bottom wall surface of the groove at intervals along the circumferential direction of the mounting plate in a penetrating manner, the mounting holes are used for a threaded sleeve to penetrate through so as to be connected with a rear suspension, and the mounting surface is used for being mounted to a vehicle body structure.
Optionally, a dodging hole is arranged in the middle of the bottom wall surface of the groove in a penetrating mode and used for enabling the upper end of the rear suspension to extend into the groove.
Optionally, back suspension mounting structure is still including being located first reinforcing plate in the recess, first reinforcing plate is at least partial cover and establishes two of them the mounting hole sets up, correspond two on the first reinforcing plate the mounting hole is equipped with two first via holes, follows the length direction of mounting panel, first reinforcing plate is at least partial shelters from dodge the hole setting, just first reinforcing plate corresponds shelters from dodge the part in hole with the diapire face interval of recess sets up for dodge the upper end of back suspension.
Optionally, the first reinforcing plate is bent along the length direction of the mounting plate and arranged in a stepped manner, so as to form a first stepped surface, a second stepped surface and a third stepped surface which are arranged at intervals along the thickness direction of the mounting plate, the first stepped surface is used for being mounted to a vehicle body structure, the second stepped surface is arranged at intervals with the bottom wall surface of the groove, and the third stepped surface is used for covering two of the mounting holes;
and the two first via holes are formed in the third step surface.
Optionally, the first reinforcing plate covers the avoiding hole, and a first reinforcing cavity is formed between the first reinforcing plate and the bottom wall surface of the groove and between the two side wall surfaces opposite to the groove.
Optionally, the first reinforcing plate extends along two opposite side ends in the mounting plate width direction to form two mounting portions, and the two mounting portions extend out of the groove and are respectively used for being mounted to a sill inner plate and a floor of the vehicle body structure.
Optionally, rear suspension mounting structure still includes the second reinforcing plate, the second reinforcing plate is located in the recess and be in dodge the week side in hole, one of them is established to the second reinforcing plate cover the mounting hole, the second reinforcing plate corresponds the mounting hole is equipped with the second via hole.
Optionally, the second reinforcing plate, the bottom wall surface of the groove, and the side wall surface of the groove together enclose to form a second reinforcing cavity.
The present invention also proposes a vehicle body structure comprising:
the floor structure comprises a floor body and a floor longitudinal beam arranged on the floor body;
a sliding door guide rail support plate connected with the floor body, and,
a rear suspension mounting structure having a mounting face for simultaneous mounting to the sliding door guide rail support plate, the floor body and the floor stringer.
Optionally, the floor structure further comprises a floor cross beam connected with the floor longitudinal beam and arranged in a staggered manner with the floor longitudinal beam, wherein a joint of the floor longitudinal beam and the floor cross beam is arranged corresponding to the rear suspension mounting structure;
the vehicle body structure further comprises a rear column and a threshold beam inner plate which are sequentially connected, and the threshold beam inner plate is connected with the sliding door guide rail supporting plate and is far away from one side of the floor longitudinal beam.
According to the technical scheme, the groove is formed in the middle of the mounting plate, so that the mounting plate is of a box-shaped structure, the middle of the mounting plate is sunken, and the periphery of the mounting plate is still in supporting connection with a vehicle body structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a perspective view of one embodiment (at an angle) of a rear suspension mounting structure provided by the present invention;
FIG. 2 is a perspective view of one embodiment (at another angle) of the rear suspension mounting structure of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along A-A of FIG. 1;
fig. 4 is a schematic cross-sectional view taken along B-B in fig. 1.
FIG. 5 is a perspective view of the first stiffener (at an angle) of FIG. 1;
FIG. 6 is a perspective view of the first stiffener (at another angle) of FIG. 1;
FIG. 7 is a schematic view of the first gusset of FIG. 1 joined to the rocker inner panel;
FIG. 8 is a schematic view of the connection of the first reinforcement panel and the floor stringer of FIG. 1;
fig. 9 is a perspective view of an embodiment of a vehicle body structure provided by the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indication is referred to in the embodiment of the present invention, the directional indication is only used for explaining a relative positional relationship, a motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The latest side impact laws and regulations move the impact barrier backward, so that when an MPV vehicle is subjected to a side impact test, the rear end of the impact barrier generally contacts the connecting portion between the lower section of the rear pillar and the rocker, where an important transmission path of the impact force flow is: the side wall doorsill-rear suspension mounting structure-floor longitudinal beam-floor cross beam structure comprises a side wall doorsill, a rear suspension mounting structure, a floor longitudinal beam and a floor cross beam. The rear suspension mounting structure is used as a force transmission channel between the rear part of the side wall doorsill and a floor beam frame and plays an important role in protecting side collision members. Most of the existing vehicle types are used for avoiding the motion envelope of the towing arm, the metal plate structure at the motion path of the towing arm is disconnected, and the mounting plate forms a U-shaped structure, so that the force transmission effect of the structure at the position is poor when the side surface is collided, and the collision resistance of a vehicle body is influenced.
In view of this, the present invention provides a rear suspension mounting structure and a vehicle body structure, which aims to change the structural strength and the conduction effect of a rear suspension when the rear suspension is subjected to a collision force by changing the structural form of the rear suspension. Fig. 1 to 8 show an embodiment of a rear suspension mounting structure according to the present invention, and fig. 9 shows an embodiment of a vehicle body structure according to the present invention.
Referring to fig. 1 to 4, the rear suspension mounting structure 100 includes a mounting plate 1, the mounting plate 1 has a mounting surface extending along a horizontal direction, a groove 11 is formed in the middle of the mounting surface in a concave manner, a plurality of mounting holes 12 are formed in a bottom wall surface of the groove 11 at intervals along a circumferential direction of the mounting plate 1, the plurality of mounting holes 12 are used for a threaded bushing to penetrate through to be connected with a rear suspension, and the mounting surface is used for being mounted to a vehicle body structure.
In the technical scheme of the invention, the groove 11 is formed in the middle of the mounting plate 1, so that the mounting plate 1 is in a box-shaped structure with a concave middle part and the periphery still supported and connected with a vehicle body structure, a plurality of mounting holes 12 distributed at intervals along the circumferential direction are formed in the bottom wall surface of the groove 11, so that an external thread bushing or a bolt can penetrate through the corresponding mounting holes 12 to be connected to the corresponding position of the rear suspension to realize the connection of the rear suspension, and meanwhile, the mounting plate 1 is in a box-shaped structure, so that the supporting strength is good when the lateral force is applied, the lateral impact force is transmitted to the corresponding vehicle body structure along the surface of the mounting plate 1, and the transmission effect is good.
Furthermore, in order to avoid the motion envelope of the rear suspension after the rear suspension is installed, a avoiding hole 13 is formed in the middle of the bottom wall surface of the groove 11 in a penetrating mode, and the avoiding hole 13 is used for supplying the upper end of the rear suspension to stretch into the rear suspension. Specifically, the sectional area of the avoiding hole 13 is used for adapting to the maximum sectional area of the path of the motion envelope of the rear suspension.
Further, in this embodiment, the mounting hole 12 is provided with four, and it wears to establish the connection to correspond four threaded sleeves, and in order to improve the installation intensity, it is right that the structure is carried out to the mounting hole 12, in an embodiment, rear suspension mounting structure 100 is still including being located first reinforcing plate 2 in recess 11, first reinforcing plate 2 is that at least part covers establishes two of them mounting hole 12 sets up, correspond two on the first reinforcing plate 2 mounting hole 12 is equipped with two first via holes, follows mounting panel 1's length direction, first reinforcing plate 2 is at least partial shelters from dodge hole 13 sets up, just first reinforcing plate 2 corresponds to shelter from dodge hole 13 the part with the diapire face interval of recess 11 sets up for dodge the upper end of back suspension. Through the setting of first reinforcing plate 2, consolidate simultaneously wherein two mounting hole 12, mounting hole 12 with wear to be equipped with the sleeve pipe between the first via hole, the sleeve pipe supplies the installation of screw sleeve pipe, improves holistic support intensity, prolongs the life of part.
Specifically, first reinforcing plate 2 can be laminated the diapire face of recess 11 improves intensity through the mode that increases thickness, but considers mounting hole 12 set up the position, two are established to the lid simultaneously during mounting hole 12, first reinforcing plate 2's size is great, and this moment is probably right dodge hole 13 and shelter from, should be through buckling or cutting first reinforcing plate 2 so that dodge hole 13 and have sufficient space to carry out dodging of thickness direction.
In the present invention, a coordinate system is established according to the vehicle body structure, the length of the vehicle body is taken as the X direction, the head direction is taken as the positive direction, the width direction is taken as the Y direction, the height direction is taken as the Z direction, and the connection and correspondence relationship between the following components are described according to the coordinate system.
Because the mounting hole 12 needs dodge in the overall arrangement dodge hole 13, have intensity and influence the risk of biography power efficiency, in an embodiment, please refer to fig. 5-6, first reinforcing plate 2 is followed mounting panel 1 length direction is buckled and is the step setting to be formed with the edge first step face 21, second step face 22 and the third step face 23 that mounting panel 1 thickness direction interval set up, wherein, first step face 21 with the distance is the biggest between the diapire face of recess 11, third step face 23 with the distance between the diapire face of recess 11 is the minimum. The first step surface 21 is used for mounting to a vehicle body structure, the second step surface 22 is arranged at an interval with the bottom wall surface of the groove 11, and the third step surface 23 is used for covering two of the mounting holes 12; the two first via holes are disposed on the third step surface 23. So set up, through bending first reinforcing plate 2 realizes dodging of thickness direction, first step face 21 is used for installing to the automobile body structure, the conduction of the side direction impact of being convenient for with the fixed of first reinforcing plate 2, moreover, please refer to fig. 7 to 8, first reinforcing plate 2 is followed two side extensions that the 1 width direction of mounting panel is relative form two installation departments, two the installation department stretch out in recess 11 just is used for installing to the sill beam inner panel 500 and the floor of automobile body structure respectively, so passes through first reinforcing plate 2 will mounting panel 1 is connected with a plurality of parts on the automobile body structure, the conduction and the dispersion of the side direction impact of being convenient for. Moreover, the mounting part is connected with the floor longitudinal beam 202 in the Z direction and the Y direction to form a three-surface connecting structure; the installation department is connected with threshold roof beam inner panel 500 back segment Y to, also has the connection with threshold roof beam inner panel 500 in X simultaneously to, also forms trilateral connection structure, stability when guaranteeing the transmission of lateral force stream.
It should be noted that the third step surface 23 may be attached to the bottom wall surface of the groove 11 or spaced from the bottom wall surface of the groove 11, and in this embodiment, the third step surface 23 is spaced from the bottom wall surface of the groove 11 to form a spatial reinforcing structure.
In other embodiments, the first reinforcing plate 2 covers the avoiding hole 13, and a first reinforcing cavity is defined between the first reinforcing plate 2 and the bottom wall surface of the groove 11 and between two side wall surfaces of the groove 11 opposite to each other. Under this structural design, first reinforcing plate 2 is to cover completely and establishes dodge hole 13, establish through enclosing this moment first reinforcement chamber plays simultaneously dodge with double-deck reinforced effect.
In order to improve the installation strength, it is necessary to structurally reinforce the installation hole 12, in other embodiments, please refer to fig. 3, the rear suspension mounting structure 100 further includes a second reinforcing plate 3, the second reinforcing plate 3 is located in the groove 11 and is located on the peripheral side of the avoiding hole 13, the second reinforcing plate 3 covers one of the installation hole 12, and the second reinforcing plate 3 corresponds to the installation hole 12 and is provided with a second through hole. The second reinforcing plate 3 is alone one of them the mounting hole 12 is consolidated, locates the week side of dodging hole 13 is for preventing to interfere the rear suspension, it should be said, second reinforcing plate 3 can laminate the diapire face of recess 11 also can with the diapire face interval of recess 11, in this embodiment, second reinforcing plate 3 with the bottom wall face of recess 11 the side wall face of recess 11 encloses jointly and closes formation second reinforcement chamber 31 to form the spatial reinforced structure.
It should be noted that the first reinforcing plate 2 and the second reinforcing plate 3 may be provided at the same time, so as to reinforce different mounting holes 12.
The invention further provides a vehicle body structure, which comprises the rear suspension mounting structure 100, and the vehicle body structure comprises all technical features of the rear suspension mounting structure 100, so that the vehicle body structure also has the technical effects brought by all technical features, and the details are not repeated here. Specifically, referring to fig. 9, the vehicle body structure further includes a floor structure and a sliding door guide rail support plate 300, the floor structure includes a floor body 201 and a floor longitudinal beam 202 disposed on the floor body 201, the sliding door guide rail support plate 300 is connected to the floor body 201, and an installation surface of the rear suspension installation structure 100 is used for being installed to the sliding door guide rail support plate 300, the floor body 201, and the floor longitudinal beam 202 at the same time. The rear suspension mounting structure 100 is connected to the floor side member 202 in the Z-direction and the Y-direction, and is connected to the floor body 201 and the sliding door rail support plate 300 in the Z-direction.
Further, the floor structure further comprises floor cross beams 203 connected with the floor longitudinal beams 202 and arranged in a staggered manner with the floor longitudinal beams 202, wherein the joints of the floor longitudinal beams 202 and the floor cross beams 203 are arranged corresponding to the rear suspension mounting structures 100; the vehicle body structure further comprises a rear pillar 400 and a threshold beam inner plate 500 which are sequentially connected, wherein the threshold beam inner plate 500 is connected with one side, far away from the floor longitudinal beam 202, of the sliding door guide rail supporting plate 300. The rear suspension mounting structure 100 is connected to the rear section of the rocker inner panel 500 in both the X-direction and the Y-direction, so that the rear suspension mounting structure 100 is connected to peripheral parts in the main force-receiving direction, thereby forming a closed box-shaped structure. When the vehicle body structure is subjected to a side collision, force flow sequentially passes through the rear pillar 400, the rocker inner panel 500 and the sliding door guide rail support plate 300, and is resolved along the length direction of the floor side member 202 and the extension direction of the floor cross member 203 by the rear suspension mounting structure 100, so that the transmission efficiency of the side collision force flow is ensured. Meanwhile, the connection rigidity of the rear suspension mounting structure 100 is improved, and the NVH performance is improved.
Referring to fig. 5, a closed rectangular structure is formed between the rear suspension mounting structure 100 and the floor body 201; the first reinforcing plate 2 and the floor body 201 form a rectangular structure, and force flow is transmitted through the two rectangular structures when a side impact is applied. The first reinforcing plate 2 and the mounting plate 1 are connected in the X direction and the Z direction, and the strength and the rigidity of a mounting point of the rear suspension are guaranteed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The rear suspension mounting structure is characterized by comprising a mounting plate, wherein the mounting plate is provided with a mounting surface extending along the horizontal direction, the middle part of the mounting surface is concavely provided with a groove, the bottom wall surface of the groove is provided with a plurality of mounting holes arranged along the circumferential direction of the mounting plate at intervals in a penetrating manner, the mounting holes are used for threaded sleeves to penetrate so as to be connected with a rear suspension, and the mounting surface is used for being mounted to a vehicle body structure;
the middle part of the bottom wall surface of the groove is provided with an avoidance hole in a penetrating manner, and the avoidance hole is used for allowing the upper end of the rear suspension to extend into;
rear suspension mounting structure is still including being located first reinforcing plate in the recess, first reinforcing plate is at least partial cover and establishes wherein two the mounting hole sets up, correspond two on the first reinforcing plate the mounting hole is equipped with two first via holes, follows the length direction of mounting panel, first reinforcing plate is at least the part and shelters from dodge the hole setting, just first reinforcing plate corresponds shelters from dodge the hole the part with the diapire face interval of recess sets up for dodge the upper end of rear suspension.
2. The rear suspension mounting structure of claim 1, wherein the first reinforcing plate is bent in a stepped arrangement along the length direction of the mounting plate to form a first stepped surface, a second stepped surface and a third stepped surface arranged at intervals along the thickness direction of the mounting plate, the first stepped surface being for mounting to a vehicle body structure, the second stepped surface being arranged at an interval from the bottom wall surface of the recess, the third stepped surface being for covering two of the mounting holes;
and the two first via holes are formed in the third step surface.
3. The rear suspension mounting structure according to claim 1, wherein the first reinforcing plate covers the avoiding hole, and a first reinforcing cavity is defined between the first reinforcing plate and the bottom wall surface of the groove and between the first reinforcing plate and the two side wall surfaces opposite to the groove.
4. The rear suspension mounting structure according to claim 1, wherein the first reinforcing plate extends along opposite side ends in the width direction of the mounting plate to form two mounting portions that protrude from the recess and are respectively used for mounting to a rocker inner panel and a floor of a vehicle body structure.
5. The rear suspension mounting structure according to claim 1, further comprising a second reinforcing plate located in the groove and around the avoiding hole, wherein the second reinforcing plate covers one of the mounting holes, and a second through hole is provided in the second reinforcing plate corresponding to the mounting hole.
6. The rear suspension mounting structure of claim 5 wherein the second reinforcement plate cooperates with the bottom wall surface of the recess and the side wall surface of the recess to define a second reinforcement cavity.
7. A vehicle body structure characterized by comprising:
the floor structure comprises a floor body and a floor longitudinal beam arranged on the floor body;
a sliding door guide rail support plate connected with the floor body, and,
the rear suspension mounting structure of any one of claims 1 to 6, a mounting face of the rear suspension mounting structure being for simultaneous mounting to the sliding door rail support plate, the floor body and the floor stringer.
8. The vehicle body structure according to claim 7, wherein said floor structure further comprises floor cross members connected to and staggered from said floor side members, wherein the junction of said floor side members and said floor cross members is disposed in correspondence with said rear suspension mount structure;
the vehicle body structure further comprises a rear column and a threshold beam inner plate which are sequentially connected, and the threshold beam inner plate is connected with the sliding door guide rail supporting plate and is far away from one side of the floor longitudinal beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110596472.8A CN113200090B (en) | 2021-05-28 | 2021-05-28 | Rear suspension mounting structure and vehicle body structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110596472.8A CN113200090B (en) | 2021-05-28 | 2021-05-28 | Rear suspension mounting structure and vehicle body structure |
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| CN113200090A CN113200090A (en) | 2021-08-03 |
| CN113200090B true CN113200090B (en) | 2022-07-22 |
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| CN202110596472.8A Active CN113200090B (en) | 2021-05-28 | 2021-05-28 | Rear suspension mounting structure and vehicle body structure |
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| DE102008014501B4 (en) * | 2008-03-15 | 2020-06-04 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Motor vehicle with a vehicle body comprising a side longitudinal member |
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| CN109318993B (en) * | 2018-10-30 | 2020-12-01 | 奇瑞汽车股份有限公司 | Mounting structure of automobile part and automobile |
| CN213228874U (en) * | 2020-09-22 | 2021-05-18 | 东风小康汽车有限公司重庆分公司 | Vehicle body reinforcing structure for mounting independent rear suspension of extended-range new energy automobile |
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| DE4030740A1 (en) * | 1989-09-30 | 1991-04-11 | Mazda Motor | Rear subframe for automobile - as parallel members raised over rear axle and with designed lateral impact support |
| JP2001048050A (en) * | 1999-08-03 | 2001-02-20 | Nissan Motor Co Ltd | Suspension member mounting part car body structure |
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| CN113200090A (en) | 2021-08-03 |
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