CN113085523A - Mounting structure for front suspension of automobile - Google Patents

Mounting structure for front suspension of automobile Download PDF

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Publication number
CN113085523A
CN113085523A CN202110521924.6A CN202110521924A CN113085523A CN 113085523 A CN113085523 A CN 113085523A CN 202110521924 A CN202110521924 A CN 202110521924A CN 113085523 A CN113085523 A CN 113085523A
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China
Prior art keywords
assembly
reinforcing
suspension mounting
bracket
support
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CN202110521924.6A
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CN113085523B (en
Inventor
尚德平
亓京波
张治�
刘文涛
周卜军
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Beijing Changan Automobile Engineering Technology Research Co Ltd
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Beijing Changan Automobile Engineering Technology Research Co Ltd
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Priority to CN202110521924.6A priority Critical patent/CN113085523B/en
Publication of CN113085523A publication Critical patent/CN113085523A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K5/00Arrangement or mounting of internal-combustion or jet-propulsion units
    • B60K5/12Arrangement of engine supports

Abstract

The invention discloses an automobile front suspension mounting structure, which comprises a front hub bag assembly, a cabin front longitudinal beam assembly and a front suspension mounting bracket assembly, wherein the front hub bag assembly is arranged on the front side of a front longitudinal beam of an engine room; the front suspension mounting bracket assembly comprises a bracket body and a reinforcing piece arranged inside the bracket body; the bracket body is simultaneously connected with the front hub bag assembly and the cabin front longitudinal beam assembly, the bracket body comprises a bracket upper plate, a bracket outer plate and two bracket side plates, and a cavity is formed inside the bracket body; the reinforcing piece comprises a reinforcing piece body and a reinforcing sealing plate, wherein the reinforcing sealing plate is arranged on one side, close to the front hub packet assembly, of the reinforcing piece body. The automobile front suspension mounting structure provided by the invention can locally reinforce the weak strength part, has high structural strength, meets the requirements on NVH (noise, vibration and harshness) performance and modal rigidity, can prevent the front suspension mounting bracket assembly from deforming towards the front hub packet assembly, has a simple structure and is beneficial to light weight.

Description

Mounting structure for front suspension of automobile
Technical Field
The invention relates to the technical field of automobiles, in particular to an automobile front suspension mounting structure.
Background
The automobile engine is a device for providing power for an automobile, the front suspension of the automobile is used for connecting the engine and an automobile body, and the front suspension mounting structure of the automobile can provide support for the engine and plays an important role in NVH performance and safety performance of the automobile. When a new engine is replaced on a certain type of automobile to cause the front suspension mounting point to move backwards and lift upwards, the distance between the front suspension mounting point and the front longitudinal beam assembly of the engine room is increased, the NVH performance and the modal rigidity of the existing automobile front suspension mounting structure can not meet the requirements, the situation that the front suspension mounting bracket assembly deforms towards the front hub bag assembly is easy to occur, in order to enable the front suspension mounting structure of the automobile to meet the NVH performance and modal stiffness targets, a mode of increasing the thickness of a material plate is generally adopted, but this kind of mode has increased material cost on the one hand, has increased car front overhang mounting structure dead weight, is not conform to and falls the development trend that this reduces weight, and on the other hand increases the mode that the plate thickness all strengthens overall structure's intensity, does not carry out local enhancement to the weak department of intensity, increases the plate thickness and can cause the performance waste to the position that the intensity accords with the demand.
Disclosure of Invention
In view of this, the present invention aims to overcome the defects in the prior art, and provide an automobile front suspension mounting structure, which can locally reinforce the weak strength part, has high structural strength, meets the requirements for NVH performance and modal stiffness, can prevent the front suspension mounting bracket assembly from deforming towards the front hub packet assembly, has a simple structure, and is beneficial to light weight.
The invention discloses an automobile front suspension mounting structure, which comprises a front hub bag assembly, a cabin front longitudinal beam assembly and a front suspension mounting bracket assembly, wherein the front hub bag assembly is arranged on the front side of a front engine room; the front suspension mounting bracket assembly comprises a bracket body and a reinforcing piece arranged inside the bracket body; the bracket body is simultaneously connected with the front hub bag assembly and the front cabin longitudinal beam assembly, the bracket body comprises a bracket upper plate, a bracket outer plate and two bracket side plates, the two bracket side plates are respectively arranged at the front side and the rear side of the lower side of the bracket upper plate, the bracket outer plate is arranged at one side of the bracket upper plate, which is far away from the front hub bag assembly, a cavity is formed inside the bracket body, and the opening of the cavity faces the direction of the front hub bag assembly and the front cabin longitudinal beam assembly; the reinforcing piece comprises a reinforcing piece body and a reinforcing sealing plate, wherein the reinforcing piece body is close to one side of the front hub bag assembly, the reinforcing piece body comprises a reinforcing upper plate and two reinforcing side plates, the reinforcing upper plate is abutted against the lower side of the support upper plate, and the reinforcing side plates are respectively abutted against the support side plates.
Further, a welding gun through hole for a welding gun to extend into the cavity is formed in the support outer plate, and a welding gun avoiding notch for the welding gun to penetrate is formed in the reinforcing sealing plate.
Furthermore, be provided with first bolt via hole on the support upper plate, strengthen the upper plate on correspond the position of first bolt via hole is provided with second bolt via hole, the downside of strengthening the upper plate corresponds the position of second bolt via hole is provided with projection nut.
Furthermore, an avoiding reinforcing boss which protrudes towards the direction far away from the projection welding nut is arranged on the reinforcing seal plate.
Further, the welding gun avoiding notch is arranged below the avoiding reinforcing boss.
Further, two the support curb plate all includes curb plate main part and extension, the extension orientation is close to the direction protrusion of preceding wheel hub package assembly in the upper portion of curb plate main part.
Furthermore, the upper portion of support body is provided with be used for with preceding wheel hub package assembly overlap joint's first turn-ups, first turn-ups all towards keep away from the direction protrusion in the cavity support body.
Furthermore, the upper portion of the support body is provided with a second flanging used for being in lap joint with the cabin front longitudinal beam assembly, and the second flanging protrudes out of the support body towards the direction far away from the cavity.
The invention has the beneficial effects that: the invention discloses an automobile front suspension mounting structure, wherein a front suspension mounting point is arranged on a support upper plate, a reinforcing piece is arranged in a cavity, a reinforcing seal plate can enable the cavity to form a box-shaped structure, the overall strength of a front suspension mounting support assembly is improved, one side, facing the front hub bag assembly, of the front suspension mounting support assembly is locally reinforced, the structural strength is high, NVH (noise, vibration and harshness) performance and modal rigidity meet requirements, the front suspension mounting support assembly can be prevented from deforming towards the front hub bag assembly, meanwhile, two reinforcing side plates are in surface contact with the two support side plates respectively, the reinforcing upper plate is in surface contact with the support upper plate, the strength of a support body is further reinforced, the structure is simple, and the cavity formed in the front suspension mounting structure is favorable for light weight; the welding gun penetrates through the welding gun through hole to extend into the cavity, the inner portion of the front suspension mounting bracket assembly can be respectively welded with the front hub bag assembly and the front engine room longitudinal beam assembly, meanwhile, the outer portion of the front suspension mounting bracket assembly is also respectively welded with the front hub bag assembly and the front engine room longitudinal beam assembly, the inner portion and the outer portion of the front suspension mounting bracket assembly are fixed through welding, and therefore the mounting strength of the front suspension mounting bracket assembly is high.
Drawings
The invention is further described below with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a front suspension mounting bracket assembly of the present invention;
FIG. 3 is a schematic bottom view of the front suspension mounting bracket assembly of the present invention;
FIG. 4 is a first schematic structural diagram of a stent body according to the present invention;
FIG. 5 is a second schematic structural view of the stent body according to the present invention;
FIG. 6 is a third schematic structural view of the stent body according to the present invention;
fig. 7 is a schematic structural view of the reinforcing member of the present invention.
Description of reference numerals: 1-a front hub packet assembly, 2-a cabin front longitudinal beam assembly, 3-a front suspension mounting bracket assembly, 31-a bracket body, 311-a bracket upper plate, 3111-a first bolt through hole, 312-a bracket outer plate, 3121-a welding gun through hole, 313-a bracket side plate, 3131-a side plate main body, 3132-an extending part, 314-a first flanging, 315-a second flanging, 32-a reinforcing piece, 321-a reinforcing upper plate, 3211-a second bolt through hole, 322-a reinforcing side plate, 323-a reinforcing sealing plate, 3231-a welding gun avoiding notch, 3232-an avoiding reinforcing boss and 324-a projection welding nut.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-7, the front suspension mounting structure of the automobile in the present embodiment includes a front hub package assembly 1, a front longitudinal beam assembly 2 of a nacelle, and a front suspension mounting bracket assembly 3; the front suspension mounting bracket assembly 3 comprises a bracket body 31 and a reinforcing member 32 arranged inside the bracket body 31; the bracket body 31 is connected with the front hub packet assembly 1 and the nacelle front longitudinal beam assembly 2 at the same time, the bracket body 31 comprises a bracket upper plate 311, a bracket outer plate 312 and two bracket side plates 313, the two bracket side plates 313 are respectively arranged at the front side and the rear side of the lower side of the bracket upper plate 311, the bracket outer plate 312 is arranged at one side of the bracket upper plate 311 far away from the front hub packet assembly 1, a cavity is formed inside the bracket body 31, and the opening of the cavity faces the direction of the front hub packet assembly 1 and the nacelle front longitudinal beam assembly 2; the reinforcing part 32 comprises a reinforcing part 32 body and a reinforcing sealing plate 323 arranged on one side, close to the front hub packet assembly 1, of the reinforcing part 32 body, the reinforcing part 32 body comprises a reinforcing upper plate 321 and two reinforcing side plates 322, the reinforcing upper plate 321 abuts against the lower side of the support upper plate 311, and the two reinforcing side plates 322 abut against the two support side plates 313 respectively. The bracket body 31 is connected with the front hub bag assembly 1 and the front longitudinal beam assembly 2 of the engine room at the same time, and can provide a mounting position for the front suspension, the mounting point of the front suspension is arranged on the bracket upper plate 311, the reinforcing piece 32 is arranged in the cavity, the reinforcing sealing plate 323 can enable the cavity to form a box-shaped structure, the integral strength of the front suspension mounting bracket assembly 3 is improved, the front suspension mounting bracket assembly 3 is locally reinforced towards one side of the front hub packet assembly 1, the structural strength is high, the NVH performance and the modal rigidity meet the requirements, the front suspension mounting bracket assembly 3 can be prevented from deforming towards the front hub packet assembly 1, simultaneously two strengthen curb plate 322 respectively with two support curb plates 313 face contact, strengthen upper plate 321 and support upper plate 311 face contact, further strengthen the intensity of support body 31, simple structure, inside vacuole formation is favorable to the lightweight.
In this embodiment, a welding gun through hole 3121 through which a welding gun extends into the cavity is provided on the bracket outer plate 312, and a welding gun avoiding notch 3231 through which the welding gun passes is provided on the reinforcing seal plate 323. Welder passes welder via hole 3121 and stretches into the cavity, can weld the inside of front suspension installing support assembly 3 with preceding wheel hub package assembly 1 and cabin front longitudinal assembly 2 respectively, and the outside of front suspension installing support assembly 3 also welds with preceding wheel hub package assembly 1 and cabin front longitudinal assembly 2 respectively simultaneously, and all through welded fastening inside and outside for the installation intensity of front suspension installing support assembly 3 is high, and welder dodges opening 3231 and is used for preventing to strengthen shrouding 323 and blocks welder.
In this embodiment, a first bolt through hole 3111 is disposed on the bracket upper plate 311, a second bolt through hole 3211 is disposed at a position on the reinforcing upper plate 321 corresponding to the first bolt through hole 3111, and a projection nut 324 is disposed at a position on the lower side of the reinforcing upper plate 321 corresponding to the second bolt through hole 3211. The front suspension is fixedly connected with the front suspension mounting bracket assembly 3 through a bolt, and the bolt sequentially penetrates through the front suspension, the first bolt through hole 3111 and the second bolt through hole 3211 and then is in threaded connection with the projection welding nut 324, so that the front suspension is fixedly mounted.
In this embodiment, the reinforcing seal plate 323 is provided with an avoiding reinforcing boss 3232 protruding in a direction away from the projection nut 324; the welding gun avoiding notch 3231 is arranged below the avoiding reinforcing boss 3232. Dodge and strengthen boss 3232 on the one hand and can guarantee that projection welding nut 324 and strengthen the shrouding 323 and have sufficient interval between, guarantee that projection welding nut 324's installation space is enough, be convenient for weld, on the other hand dodges the opening and makes the intensity here lower, dodges and strengthens boss 3232 and can increase the intensity here.
In this embodiment, each of the two support side plates 313 includes a side plate main body 3131 and an extending portion 3132, and the extending portion 3132 protrudes from an upper portion of the side plate main body 3131 toward the front wheel hub assembly 1. The front hub packet assembly 1 can provide support for the lower side of the extension portion 3132, can improve the connection strength between the front hub packet assembly 1 and the bracket body 31, and prevent the separation of the front hub packet assembly 1 from the bracket body 31.
In this embodiment, the upper portion of the bracket body 31 is provided with a first flange 314 for overlapping with the front hub packet assembly 1, and the first flanges 314 all protrude from the bracket body 31 towards a direction away from the cavity; the upper portion of the bracket body 31 is provided with a second flanging 315 used for being lapped with the front longitudinal beam assembly 2 of the cabin, and the second flanging 315 protrudes out of the bracket body 31 towards the direction far away from the cavity. The first flange 314 and the second flange 315 can increase the contact area of the holder body 31 with the counterpart member, thereby increasing the coupling strength. In addition, a part of the first flanging 314 corresponding to the position of the bracket upper plate 311, a part of the first flanging 314 corresponding to the position of the extending portion 3132 and a part of the first flanging 314 corresponding to the position of the bracket side plate 313 form a step shape, and the first flanging 314 is high in connection strength after being lapped with the front hub packet assembly 1.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (8)

1. The utility model provides a suspension mounting structure before car which characterized in that: the device comprises a front hub package assembly (1), a front longitudinal beam assembly (2) of an engine room and a front suspension mounting bracket assembly (3); the front suspension mounting bracket assembly (3) comprises a bracket body (31) and a reinforcing piece (32) arranged inside the bracket body (31); the support body (31) is connected with the front hub packet assembly (1) and the front longitudinal beam assembly (2) of the engine room at the same time, the support body (31) comprises a support upper plate (311), a support outer plate (312) and two support side plates (313), the two support side plates (313) are arranged on the front side and the rear side of the lower side of the support upper plate (311) respectively, the support outer plate (312) is arranged on one side, away from the front hub packet assembly (1), of the support upper plate (311), a cavity is formed inside the support body (31), and an opening of the cavity faces the directions of the front hub packet assembly (1) and the front longitudinal beam assembly (2) of the engine room; the reinforcing part (32) comprises a reinforcing part (32) body and a reinforcing sealing plate (323) arranged on one side of the front hub packet assembly (1) and close to the reinforcing part (32) body, the reinforcing part (32) body comprises a reinforcing upper plate (321) and two reinforcing side plates (322), the reinforcing upper plate (321) abuts against the lower side of the support upper plate (311), and the reinforcing side plates (322) abut against the support side plates (313) respectively.
2. The automotive front suspension mounting structure according to claim 1, characterized in that: the support outer plate (312) is provided with a welding gun through hole (3121) for a welding gun to extend into the cavity, and the reinforcing seal plate (323) is provided with a welding gun avoiding notch (3231) for the welding gun to pass through.
3. The automotive front suspension mounting structure according to claim 2, characterized in that: be provided with first bolt via hole (3111) on support upper plate (311), strengthen upper plate (321) go up to correspond the position of first bolt via hole (3111) is provided with second bolt via hole (3211), the downside of strengthening upper plate (321) corresponds the position of second bolt via hole (3211) is provided with projection nut (324).
4. The automotive front suspension mounting structure according to claim 3, characterized in that: and the reinforcing sealing plate (323) is provided with an avoidance reinforcing boss (3232) protruding towards the direction far away from the projection welding nut (324).
5. The automotive front suspension mounting structure according to claim 4, characterized in that: the welding gun avoiding notch (3231) is arranged below the avoiding reinforcing boss (3232).
6. The automotive front suspension mounting structure according to claim 1, characterized in that: the two bracket side plates (313) each include a side plate main body (3131) and an extension portion (3132), and the extension portion (3132) protrudes from an upper portion of the side plate main body (3131) toward a direction approaching the front hub pack assembly (1).
7. The automotive front suspension mounting structure according to claim 6, characterized in that: the upper portion of the support body (31) is provided with a first flanging (314) used for being in lap joint with the front hub packet assembly (1), and the first flanging (314) protrudes out of the support body (31) towards the direction far away from the cavity.
8. The automotive front suspension mounting structure according to claim 7, characterized in that: the upper portion of the support body (31) is provided with a second flanging (315) used for being in lap joint with the cabin front longitudinal beam assembly (2), and the second flanging (315) protrudes out of the support body (31) towards the direction far away from the cavity.
CN202110521924.6A 2021-05-13 2021-05-13 Mounting structure for front suspension of automobile Active CN113085523B (en)

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Application Number Priority Date Filing Date Title
CN202110521924.6A CN113085523B (en) 2021-05-13 2021-05-13 Mounting structure for front suspension of automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110521924.6A CN113085523B (en) 2021-05-13 2021-05-13 Mounting structure for front suspension of automobile

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CN113085523A true CN113085523A (en) 2021-07-09
CN113085523B CN113085523B (en) 2023-01-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115195866A (en) * 2022-07-08 2022-10-18 岚图汽车科技有限公司 Reinforcing structure for D-column connecting joint of automobile body in white

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Publication number Priority date Publication date Assignee Title
JP2003002275A (en) * 2001-06-20 2003-01-08 Yamaha Motor Co Ltd Rear arm for vehicle and method for manufacturing arm part
CN102490793A (en) * 2011-11-14 2012-06-13 重庆长安汽车股份有限公司 Front wheel boss assembly of miniature car
CN202429053U (en) * 2011-12-14 2012-09-12 上汽通用五菱汽车股份有限公司 Side-mounted-engine mounting set
CN202685899U (en) * 2012-06-30 2013-01-23 重庆长安汽车股份有限公司 Support structure for automobile suspension mounting bracket
CN202685897U (en) * 2012-06-26 2013-01-23 宁波联合华发五金机械有限公司 Right suspension bracket of engine
CN103738152A (en) * 2013-12-18 2014-04-23 奇瑞汽车股份有限公司 Reinforcing structure of suspension installation points for automobile
CN206141301U (en) * 2016-10-31 2017-05-03 保定长安客车制造有限公司 Engine suspension mounting bracket
CN207984533U (en) * 2017-11-30 2018-10-19 北京长安汽车工程技术研究有限责任公司 Automobile and its engine mounting mounting bracket

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003002275A (en) * 2001-06-20 2003-01-08 Yamaha Motor Co Ltd Rear arm for vehicle and method for manufacturing arm part
CN102490793A (en) * 2011-11-14 2012-06-13 重庆长安汽车股份有限公司 Front wheel boss assembly of miniature car
CN202429053U (en) * 2011-12-14 2012-09-12 上汽通用五菱汽车股份有限公司 Side-mounted-engine mounting set
CN202685897U (en) * 2012-06-26 2013-01-23 宁波联合华发五金机械有限公司 Right suspension bracket of engine
CN202685899U (en) * 2012-06-30 2013-01-23 重庆长安汽车股份有限公司 Support structure for automobile suspension mounting bracket
CN103738152A (en) * 2013-12-18 2014-04-23 奇瑞汽车股份有限公司 Reinforcing structure of suspension installation points for automobile
CN206141301U (en) * 2016-10-31 2017-05-03 保定长安客车制造有限公司 Engine suspension mounting bracket
CN207984533U (en) * 2017-11-30 2018-10-19 北京长安汽车工程技术研究有限责任公司 Automobile and its engine mounting mounting bracket

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115195866A (en) * 2022-07-08 2022-10-18 岚图汽车科技有限公司 Reinforcing structure for D-column connecting joint of automobile body in white

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