CN204415516U - Fore sub frame mounting structure and automobile - Google Patents

Fore sub frame mounting structure and automobile Download PDF

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Publication number
CN204415516U
CN204415516U CN201520009901.7U CN201520009901U CN204415516U CN 204415516 U CN204415516 U CN 204415516U CN 201520009901 U CN201520009901 U CN 201520009901U CN 204415516 U CN204415516 U CN 204415516U
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China
Prior art keywords
brace panel
cavity
sub frame
fore sub
back segment
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Application number
CN201520009901.7U
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Chinese (zh)
Inventor
薛军
杨金秀
耿富荣
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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Priority to CN201520009901.7U priority Critical patent/CN204415516U/en
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Abstract

A kind of fore sub frame mounting structure, the front deck longeron back segment comprising front floor and be positioned at below front floor and side bar, fore sub frame mounting structure also comprises the first brace panel, second brace panel and fore sub frame mount pad, first brace panel is connected between front deck longeron back segment and side bar, first brace panel, front deck longeron back segment, jointly the first cavity is formed between side bar and front floor, stacked first brace panel that is fixed on of second brace panel is towards on the surface of side, front floor, and the first cavity is divided into multiple cavity, first brace panel and the second brace panel offer the mounting hole run through at stacked place, fore sub frame mount pad is installed on the stacked place of the first brace panel and the second brace panel and is positioned at the top of mounting hole.Fore sub frame mounting structure of the present utility model has multiple cavity, can strengthen the structural strength of vehicle body.Meanwhile, the invention also discloses a kind of automobile.

Description

Fore sub frame mounting structure and automobile
Technical field
The utility model relates to the technical field of automobile, particularly about a kind of fore sub frame mounting structure and automobile.
Background technology
Fore sub frame is an important component on car chassis, has been widely used on modern automobile at present.Usually, fore sub frame is equipped with the critical component such as rear suspension bracket of front triangle swing arm, front Panhard rod, steering wheel and driving engine, the platform that the use of fore sub frame can not only provide a fit drawing die blocking integrated for above-mentioned parts, the strength and stiffness of vehicle body entirety can also be improved, effectively improve crash survivability and handling.In addition, in the use procedure of automobile, fore sub frame can also the vibration & noise that transmitted by suspension system, driving engine and change-speed box of isolated part, and comes from application force and the vibration on road surface, improves the riding traveling comfort of vehicle.
Fig. 1 is the schematic diagram of existing a kind of fore sub frame mounting structure.As shown in Figure 1, front deck longeron back segment 11 is positioned at the below on front floor 12, the side on front floor 12 is also connected with side bar 13, and installation sleeve 14 is arranged on the diapire of front deck longeron back segment 11, and fore sub frame (not shown) is coordinated with installation sleeve 14 by bolt and is arranged on body bottom.But, in this mounting structure, because installation sleeve 14 is directly installed on the diapire of front deck longeron back segment 11, and connection structure is not had to strengthen between front deck longeron back segment 11 and side bar 13, make the strength and stiffness of vehicle body more weak, the collision performance of automobile is had a certain impact.
Utility model content
The purpose of this utility model is to provide a kind of fore sub frame mounting structure strengthening bus body strength.
The utility model provides a kind of fore sub frame mounting structure, the front deck longeron back segment comprising front floor and be positioned at below this front floor and side bar, this fore sub frame mounting structure also comprises the first brace panel, second brace panel and fore sub frame mount pad, this first brace panel is connected between this front deck longeron back segment and this side bar, this first brace panel, this front deck longeron back segment, jointly the first cavity is formed between this side bar and this front floor, stacked this first brace panel that is fixed on of this second brace panel is towards on the surface of this side, front floor, and this first cavity is divided into multiple cavity, this first brace panel and this second brace panel offer the mounting hole run through at stacked place, this fore sub frame mount pad is installed on the stacked place of this first brace panel and this second brace panel and is positioned at the top of this mounting hole.
Further, the middle part of this second brace panel and the middle part of this first brace panel stacked fixing, the two ends of this second brace panel extend to floor front with this respectively and this front deck longeron back segment is connected, this first cavity is separated into the second cavity, the 3rd cavity and the 4th cavity, this second cavity is positioned at the top at the stacked place of this first brace panel and this second brace panel, and this fore sub frame mount pad is arranged in this second cavity.
Further, this first brace panel is to welding with the diapire of this side bar one end of side bar, and this second brace panel is to should one end of side bar to upwarp and the lower surface extending to floor front with this welds and forms the 3rd cavity.
Further, the edge of this front floor lower surface and the side flanging of this side bar opening part are welded and fixed, this second brace panel is fixedly welded on this edge, this first brace panel, forms the 3rd cavity between the second brace panel and the sidewall of this side bar, and the 3rd cavity is triangular in shape.
Further, this second brace panel is to one end of front deck longeron back segment extending to the sidewall weld with this front deck longeron back segment, this first brace panel to should one end of front deck longeron back segment bend downwards and with the sidewall weld of this front deck longeron back segment, this first brace panel, form the 4th cavity between the second brace panel and the sidewall of this front deck longeron back segment, the 4th cavity is triangular in shape.
Further, this fore sub frame mount pad comprises threaded line pipe and threaded line pipe fixed support, the bottom of this threaded line pipe and this second brace panel are welded and fixed, this threaded line pipe fixed support is sheathed on the outside of this threaded line pipe and is welded and fixed with this second brace panel, this threaded line pipe is provided with internal thread hole, and this internal thread hole is communicated with this mounting hole.
Further, this threaded line pipe fixed support comprises connecting panel and support rim, and this connecting panel is positioned at the bottom of this support rim and is welded and fixed with this second brace panel, and the top of this threaded line pipe is passed this support rim and is welded and fixed with this support rim.
Further, the bottom of this threaded line pipe is provided with stay bearing plate, and this stay bearing plate and this second brace panel are welded and fixed, and this first brace panel, the second brace panel and this stay bearing plate form stepped construction.
Further, the opening part of this side bar is coated with middle passage, forms the 5th cavity in this between passage and this side bar, and this front floor is covered in the opening part of this front deck longeron back segment and forms the 6th cavity with this front deck longeron back segment.
The utility model also provides a kind of automobile, and this automobile comprises fore sub frame mounting structure as above.
In embodiment of the present utility model, first brace panel is connected between front deck longeron back segment and side bar, and and front floor, front deck longeron back segment, jointly form the first cavity between side bar, stacked being fixed on the first brace panel and by the first cavity of second brace panel is separated into the second cavity, the 3rd cavity and the 4th cavity, wherein the 3rd cavity and the 4th cavity are triangular cavity, Path of Force Transfer is more excellent, rigidity is better, simultaneously, the structure of many cavitys is more firm when being subject to pullling power up and down, is conducive to the collision performance improving vehicle body.On the other hand, threaded line pipe, between the first brace panel and the second brace panel, and threaded line pipe fixed support and the first brace panel, all define the stepped construction of " sandwich " between the second brace panel, and threaded line pipe fixed support expands the rigidity area coverage of threaded line pipe further, the utility model structure is stablized more, assembles without acceptance of persons.In addition, the utility model structure is simple, be easy to assembling, to adjust the welding and assembling height of the first brace panel with the position of weld between front deck longeron back segment and side bar by adjusting the first brace panel, thus the height of adjustment threaded line pipe mount pad, make the setting height(from bottom) of fore sub frame in Z-direction (bodywork height direction) adjustable, hardware and software platform commonality can be met.Simultaneously, the utility model is by threaded line pipe, threaded line pipe fixed support and leg-of-mutton many cavity structures, the disturbance force that threaded line pipe is subject to passes to front deck longeron and side bar effectively, and avoid passing to front floor, thus effectively improve NVH (Noise, Vibration, Harshness, noise, vibration and the sound vibration roughness) performance of automobile and the comfort level of passenger.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing a kind of fore sub frame mounting structure.
Fig. 2 is the schematic diagram of fore sub frame mounting structure in the utility model embodiment.
Detailed description of the invention
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to detailed description of the invention of the present utility model, structure, feature and effect thereof, be described in detail as follows.
Fig. 2 is the schematic diagram of fore sub frame mounting structure in the utility model embodiment.Below with in the actual use procedure of fore sub frame all around for the reference direction of the application, Z-direction represents the height of vertical direction.As shown in Figure 2, fore sub frame mounting structure of the present utility model comprises front floor 21 and is positioned at front deck longeron back segment below front floor 21 22 and side bar 23, the edge on front floor 21 and the side flanging of side bar 23 opening part are welded and fixed, the opening part of side bar 23 is coated with middle passage 28, form the 5th cavity 205 between middle passage 28 and side bar 23, front floor 21 is covered in the opening part of front deck longeron back segment 22 and forms the 6th cavity 206 with front deck longeron back segment 22.Further, this fore sub frame mounting structure also comprises the first brace panel 24, second brace panel 25 and fore sub frame mount pad 26, first brace panel 24 is connected between front deck longeron back segment 22 and side bar 23, first brace panel 24, front deck longeron back segment 22, jointly the first cavity 201 is formed between side bar 23 and front floor 21, second strengthens stacked first brace panel 24 that is fixed on of flaggy 25 towards on the surface of side, front floor 21, and the first cavity 201 is divided into multiple cavity, first brace panel 24 and the second brace panel 25 offer the mounting hole 29 run through at stacked place, namely this mounting hole 29 is communicated with the first cavity 201 and space outerpace, fore sub frame mount pad 26 is installed on the stacked place of the first brace panel 24 and the second brace panel 25 and is positioned at the top of mounting hole 29.
Particularly, the middle part of the second brace panel 24 and middle part of the first brace panel 25 is stacked is welded and fixed, the two ends of the second brace panel 24 extend to respectively and are connected with front floor 21 and front deck longeron back segment 22, thus the first cavity 201 is separated into the second cavity 202, the 3rd cavity 203 and the 4th cavity 204.Wherein, the second cavity 203 is positioned at the top at the stacked place of the first brace panel 24 and the second brace panel 25, and mounting hole 29 is communicated with the second cavity 202 and space outerpace, and fore sub frame mount pad 26 is arranged in this second cavity 202.One end of the corresponding side bar 23 of first brace panel 24 is welded with the diapire of side bar 23, and one end of the corresponding side bar of the second brace panel 25 23 upwarps and extends to weld with the lower surface on front floor 21 and forms the 3rd cavity 203.Further, in the present embodiment, the edge of front floor 21 lower surface and the side flanging of side bar 23 opening part are welded and fixed, second brace panel 24 is fixedly welded on this edge, makes the 3rd cavity 203 structure triangular in shape formed between the first brace panel 24, second brace panel 25 and the sidewall of side bar 23.
Connect above-mentioned, one end of second brace panel 25 corresponding front deck longeron back segment 22 extends to the sidewall weld with front deck longeron back segment 22, one end of first brace panel 24 corresponding front deck longeron back segment 22 bend downwards and with the sidewall weld of front deck longeron back segment 22, make to form the 4th cavity 204 between the first brace panel 24, second brace panel 25 and the sidewall of front deck longeron back segment 22, and the 4th cavity 204 structure triangular in shape.So, the second cavity 202 is the cavity formed between the sidewall of the second brace panel 25, front floor 21 and front deck longeron back segment 22.It should be noted that, position of weld between second brace panel 25 and front deck longeron back segment 22, side bar 23 is not limited to illustrate, only need meet the second brace panel 25 is separated into multiple cavity by the first cavity 201, and these cavitys comprise the cavity of triangular structure.
In existing mounting structure, as shown in Figure 1, installation sleeve 14 is directly installed on front deck longeron back segment 11, when considering the commonality of this mounting structure from hardware and software platform angle, due to the particularity of front deck longeron back segment 11 structure design, usually change less between the different automobile types of hardware and software platform, installation sleeve 14 setting height(from bottom) is in z-direction made to be subject to the restriction of front deck longeron back segment 11 height and cannot to regulate, and then fore sub frame setting height(from bottom) in z-direction cannot be regulated, hardware and software platform demand can not be met.Fore sub frame mount pad 26 is installed on the stacked place of the first brace panel 24 and the second brace panel 25 by the utility model, and assemble simple between the first brace panel 24, second brace panel 25 and vehicle body, be easy to change the position of weld with vehicle body, thus the welding and assembling height of change first brace panel 24 can be needed to adjust fore sub frame mount pad 26 setting height(from bottom) in z-direction according to actual vehicle, and then adjustment fore sub frame setting height(from bottom) in z-direction, to meet the hardware and software platform design requirement of automobile.
Connect above-mentioned, as shown in Figure 2, fore sub frame mount pad 26 comprises threaded line pipe 261 and threaded line pipe fixed support 262, the bottom of threaded line pipe 261 and the upper surface of the second brace panel 25 are welded and fixed, threaded line pipe fixed support 262 is sheathed on the outside of threaded line pipe 261 and is welded and fixed with the second brace panel 25, threaded line pipe 261 is provided with internal thread hole 261a, internal thread hole 261a is communicated with mounting hole 29, and fore sub frame (not shown) is passed mounting hole 29 by attaching partss such as bolts and coordinated with this threaded line pipe 261 and be arranged on vehicle body.In the present embodiment, the bottom of threaded line pipe 261 is also provided with stay bearing plate 261b, and stay bearing plate 261b and the second brace panel 25 are welded and fixed, and forms the stepped construction of one " sandwich " between the first brace panel 24, second brace panel 25 and stay bearing plate 261b.
Further, threaded line pipe fixed support 262 comprises support rim 262a and connecting panel 262b, connecting panel 262b is positioned at the bottom of support rim 262a and is welded and fixed with the upper surface of the second brace panel 25, form the stepped construction of one " sandwich " between first brace panel 24, second brace panel 25 and connecting panel 262b, the top of threaded line pipe 261 is passed support rim 262a and is welded and fixed with support rim 262a.In the present embodiment, support rim 262a is one is bowl-shape cavity structure, and back-off is fixed on the top of mounting hole 29, be welded and fixed by connecting panel 262b and the second brace panel 25 bottom it, its top offers the fixed orifice (figure does not mark) for wearing retaining thread pipe 261 top, the cavity design of this support rim 262a while guarantee support effect, can reduce tare further.
The utility model also provides a kind of automobile, and this automobile comprises fore sub frame mounting structure as above.
To sum up, fore sub frame mounting structure of the present utility model has following beneficial effect:
1. the first brace panel is connected between front deck longeron back segment and side bar, and and front floor, front deck longeron back segment, jointly form the first cavity between side bar, stacked being fixed on the first brace panel and by the first cavity of second brace panel is separated into the second cavity, the 3rd cavity and the 4th cavity, wherein the 3rd cavity and the 4th cavity are triangular cavity, Path of Force Transfer is more excellent, and rigidity is better, simultaneously, the structure of many cavitys is more firm when being subject to pullling power up and down, is conducive to the collision performance improving vehicle body;
2. threaded line pipe, between the first brace panel and the second brace panel, and threaded line pipe fixed support and the first brace panel, all define the stepped construction of " sandwich " between the second brace panel, and threaded line pipe fixed support expands the rigidity area coverage of threaded line pipe further, the utility model structure is stablized more, assembles without acceptance of persons;
3. the utility model structure is simple, be easy to assembling, to adjust the welding and assembling height of the first brace panel with the position of weld between front deck longeron back segment and side bar by adjusting the first brace panel, thus the height of adjustment threaded line pipe mount pad in Z-direction (bodywork height direction), make fore sub frame setting height(from bottom) in z-direction adjustable, the requirement of hardware and software platform commonality can be met;
4. the utility model is by threaded line pipe, threaded line pipe fixed support and leg-of-mutton many cavity structures, the disturbance force that threaded line pipe is subject to passes to front deck longeron and side bar effectively, and avoid passing to front floor, thus effectively improve NVH (Noise, Vibration, Harshness, noise, vibration and the sound vibration roughness) performance of vehicle and the comfort level of passenger.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solutions of the utility model content, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.

Claims (10)

1. a fore sub frame mounting structure, the front deck longeron back segment comprising front floor and be positioned at below this front floor and side bar, it is characterized in that: this fore sub frame mounting structure also comprises the first brace panel, second brace panel and fore sub frame mount pad, this first brace panel is connected between this front deck longeron back segment and this side bar, this first brace panel, this front deck longeron back segment, jointly the first cavity is formed between this side bar and this front floor, stacked this first brace panel that is fixed on of this second brace panel is towards on the surface of this side, front floor, and this first cavity is divided into multiple cavity, this first brace panel and this second brace panel offer the mounting hole run through at stacked place, this fore sub frame mount pad is installed on the stacked place of this first brace panel and this second brace panel and is positioned at the top of this mounting hole.
2. fore sub frame mounting structure as claimed in claim 1, it is characterized in that: the middle part of this second brace panel and the middle part of this first brace panel stacked fixing, the two ends of this second brace panel extend to floor front with this respectively and this front deck longeron back segment is connected, this first cavity is separated into the second cavity, the 3rd cavity and the 4th cavity, this second cavity is positioned at the top at the stacked place of this first brace panel and this second brace panel, and this fore sub frame mount pad is arranged in this second cavity.
3. fore sub frame mounting structure as claimed in claim 2, it is characterized in that: this first brace panel is to welding with the diapire of this side bar one end of side bar, and this second brace panel is to should one end of side bar to upwarp and the lower surface extending to floor front with this welds and forms the 3rd cavity.
4. fore sub frame mounting structure as claimed in claim 3, it is characterized in that: the edge of this front floor lower surface and the side flanging of this side bar opening part are welded and fixed, this second brace panel is fixedly welded on this edge, this first brace panel, form the 3rd cavity between the second brace panel and the sidewall of this side bar, the 3rd cavity is triangular in shape.
5. fore sub frame mounting structure as claimed in claim 2, it is characterized in that: this second brace panel is to one end of front deck longeron back segment extending to the sidewall weld with this front deck longeron back segment, this first brace panel to should one end of front deck longeron back segment bend downwards and with the sidewall weld of this front deck longeron back segment, this first brace panel, form the 4th cavity between the second brace panel and the sidewall of this front deck longeron back segment, the 4th cavity is triangular in shape.
6. fore sub frame mounting structure as claimed in claim 1, it is characterized in that: this fore sub frame mount pad comprises threaded line pipe and threaded line pipe fixed support, the bottom of this threaded line pipe and this second brace panel are welded and fixed, this threaded line pipe fixed support is sheathed on the outside of this threaded line pipe and is welded and fixed with this second brace panel, this threaded line pipe is provided with internal thread hole, and this internal thread hole is communicated with this mounting hole.
7. fore sub frame mounting structure as claimed in claim 6, it is characterized in that: this threaded line pipe fixed support comprises connecting panel and support rim, this connecting panel is positioned at the bottom of this support rim and is welded and fixed with this second brace panel, and the top of this threaded line pipe is passed this support rim and is welded and fixed with this support rim.
8. fore sub frame mounting structure as claimed in claim 6, it is characterized in that: the bottom of this threaded line pipe is provided with stay bearing plate, this stay bearing plate and this second brace panel are welded and fixed, and this first brace panel, the second brace panel and this stay bearing plate form stepped construction.
9. fore sub frame mounting structure as claimed in claim 1, it is characterized in that: the opening part of this side bar is coated with middle passage, form the 5th cavity between passage and this side bar in this, this front floor is covered in the opening part of this front deck longeron back segment and forms the 6th cavity with this front deck longeron back segment.
10. an automobile, is characterized in that: this automobile comprises fore sub frame mounting structure as claimed in any one of claims 1-9 wherein.
CN201520009901.7U 2015-01-05 2015-01-05 Fore sub frame mounting structure and automobile Active CN204415516U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520009901.7U CN204415516U (en) 2015-01-05 2015-01-05 Fore sub frame mounting structure and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520009901.7U CN204415516U (en) 2015-01-05 2015-01-05 Fore sub frame mounting structure and automobile

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CN204415516U true CN204415516U (en) 2015-06-24

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CN201520009901.7U Active CN204415516U (en) 2015-01-05 2015-01-05 Fore sub frame mounting structure and automobile

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104960576A (en) * 2015-07-21 2015-10-07 奇瑞汽车股份有限公司 Rear mounting point reinforcing structure of front sub-frame
CN112758190A (en) * 2021-01-29 2021-05-07 重庆长安汽车股份有限公司 Automobile engine cabin longitudinal beam assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104960576A (en) * 2015-07-21 2015-10-07 奇瑞汽车股份有限公司 Rear mounting point reinforcing structure of front sub-frame
CN112758190A (en) * 2021-01-29 2021-05-07 重庆长安汽车股份有限公司 Automobile engine cabin longitudinal beam assembly

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