CN206501891U - A kind of Rear frame component - Google Patents
A kind of Rear frame component Download PDFInfo
- Publication number
- CN206501891U CN206501891U CN201720086275.0U CN201720086275U CN206501891U CN 206501891 U CN206501891 U CN 206501891U CN 201720086275 U CN201720086275 U CN 201720086275U CN 206501891 U CN206501891 U CN 206501891U
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- China
- Prior art keywords
- crossbeam
- floor
- frame component
- rear frame
- floor crossmember
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- 238000011161 development Methods 0.000 abstract description 5
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- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
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- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Body Structure For Vehicles (AREA)
Abstract
The utility model discloses a kind of Rear frame component, including floor crossmember after first, floor crossmember and the rear crossbeam that two longitudinal section shapes are " U " type after second, floor crossmember is fixedly connected on the rear crossbeam leading inside of the left and right sides after described first, floor crossmember is fixedly connected on the rear crossbeam inside middle portion of the left and right sides after described second, floor crossmember after described first, " mouth " font structure is formed after second between floor crossmember and two rear crossbeams, torsion-beam swing arm mounting seat soldering member afterwards, spiral spring seat soldering member and side plate are individually fixed on the rear crossbeam.A kind of Rear frame component of the present utility model, its component sharing rate is high, and the project development cycle is short, reduces production cost, and saves die cost, can lift local stiffness, improve and vibrated at back seat, and then improve auto NVH performance.
Description
Technical field
The utility model is related to automobile frame technical field, more particularly to a kind of Rear frame component.
Background technology
Rear portion lower body is the key structure that body tail carries stress.Not only to consider during the design of rear portion lower body
The installation requirements such as rear overhang, fuel tank, blast pipe, brake piping, seat, it is also contemplated that the manufacturability of self structure, and new knot
Time cost, manpower and materials needed for structure checking.If can keep sharing with existing mature structure in some parts, it will to contracting
Short construction cycle, holding vehicle quickly update and played a positive role.
The characteristics of having following in terms of some common vehicle type structures：With the vehicle of platform, body structure differs greatly, structure
Type is new, it is necessary to which the checking cost carried out is higher.Part mold developing is more, and shared rate is low, and disposable input is more.It is common in chassis member
With but vehicle wheelbase, length of wagon are under different conditions, and the vital part such as rear crossbeam is often through redesigning, enter again
Complete mould development is gone to meet functional requirement.As Figure 1-3, rear portion lower body only has before one with preceding floor in bottom
Floor reinforcing plate longeron and preceding floor connecting bracket formation closed housing, make the Path of Force Transfer of body forward structure backward single, simultaneously
It is also possible to make back seat foreboard local stiffness not enough.
Utility model content
The utility model is completed to solve of the prior art not enough, and the purpose of this utility model is to provide one
Rear frame component is planted, its component sharing rate is high, and the project development cycle is short, reduce production cost, and save die cost, can
Local stiffness is lifted, improves and is vibrated at back seat, and then improve auto NVH performance.
A kind of Rear frame component of the present utility model, including floor crossmember and two are vertical after floor crossmember, second after first
To the rear crossbeam that cross sectional shape is " U " type, floor crossmember is fixedly connected on before the rear crossbeam of the left and right sides after described first
End inner side, floor crossmember is with being fixedly connected on after the rear crossbeam inside middle portion of the left and right sides, described first after described second
" mouth " font structure, rear torsion-beam swing arm mounting seat weldering are formed after plate crossbeam, second between floor crossmember and two rear crossbeams
Component, spiral spring seat soldering member and side plate are individually fixed on the rear crossbeam.
A kind of Rear frame component of the present utility model can also be：
Floor crossmember front lower portion is spaced and parallel after described first be provided with least two before floor stand, the preceding floor branch
Frame front end is fixedly connected with preceding floor, and the preceding floor stand rear end is fixedly connected with floor crossmember after described first.
The preceding floor stand lateral cross section is shaped as " L " shape, the preceding floor stand upper end leading flank and described the
Floor crossmember trailing flank is welded and fixed after one, and the preceding floor stand bottom is fixed with the preceding floor welded.
The preceding floor stand number is four.
The rear crossbeam includes crossbeam body and crossbeam extension, and the crossbeam extension is fixedly connected on the crossbeam sheet
Body rearward end.
The energy-absorbing muscle that is downwardly concaved of the crossbeam extension provided with least three longitudinal directions.
The crossbeam extension plate thickness is at least 1.4mm.
The rear crossbeam side surface is provided with least two positioning holes, and the positioning hole is arranged at intervals at the rear crossbeam side
On surface.
The rear crossbeam rear outer side portions are provided with the backplate for being used for being connected with tail-gate plate, and the backplate is fixedly connected on described
Crossbeam rear outer side portions afterwards.
The spare tyre cabin tie-beam overlapped with spare tyre cabin is provided with the inside of the rear crossbeam, spare tyre cabin tie-beam is fixedly connected
In the rear crossbeam inside portion.
A kind of Rear frame component of the present utility model, including floor crossmember and two are vertical after floor crossmember, second after first
To the rear crossbeam that cross sectional shape is " U " type, floor crossmember is fixedly connected on before the rear crossbeam of the left and right sides after described first
End inner side, floor crossmember is with being fixedly connected on after the rear crossbeam inside middle portion of the left and right sides, described first after described second
" mouth " font structure, rear torsion-beam swing arm mounting seat weldering are formed after plate crossbeam, second between floor crossmember and two rear crossbeams
Component, spiral spring seat soldering member and side plate are individually fixed on the rear crossbeam.So, after using floor crossmember, second after first
Crossbeam formation hollow Rear frame frame structure, after Rear frame component stress, passes through hollow after floor crossmember and two
The power that frame structure can be subject to Rear frame carries out transmission transition, can reduce the field of load of Rear frame component, Bu Huiyin
Stress concentration, causes Rear frame component distortion, cracking or deforms.And the part of two-box automobile is borrowed, such as rear torsion-beam swing arm is installed
The vital parts such as seat soldering member, spiral spring seat soldering member and front end side plate, are shared with three-box car vehicle frame of the present utility model, altogether
High, the problem of part for solving two-box automobile be cannot be used on three-box car with rate, improves component sharing rate, can effectively reduce
The input cost of Rear frame component.A kind of Rear frame component of the present utility model, its component sharing rate is high, the project development cycle
It is short, production cost is reduced, and die cost is saved, local stiffness can be lifted, improves and is vibrated at back seat, and then improve
Auto NVH performance.
Brief description of the drawings
Fig. 1 is preceding floor and the part-structure schematic diagram of Rear frame component of prior art.
Fig. 2 is the structural representation of A-A in Fig. 1.
Fig. 3 is the structural representation of B-B in Fig. 2.
Fig. 4 is a kind of structural representation of Rear frame component of the present utility model.
Fig. 5 is a kind of rear crossbeam structure schematic diagram of the different conditions of Rear frame component of the present utility model.
Fig. 6 is that a kind of rear crossbeam of Rear frame component of the present utility model is illustrated with the bridging arrangement of rear crossbeam extension
Figure.
Fig. 7 is a kind of power transmission road strength schematic diagram of Rear frame component of the present utility model.
Fig. 8 is a kind of configuration schematic diagram of Rear frame component of the present utility model.
Figure number explanation
Floor crossmember 2 ... rear crossbeam in floor crossmember 3 ... after second after 1 ... first
4 ... rear torsion-beam swing arm mounting seat soldering member 5 ... spiral spring seat soldering member 6 ... side plates
7 ... preceding preceding floor 9 ... the crossbeam extensions of floor stand 8 ...
10 ... crossbeam body 11 ... energy-absorbing muscle 12 ... positioning holes
13 ... backplate 14 ... spare tyre cabin tie-beams
Embodiment
Fig. 4 below in conjunction with the accompanying drawings to Fig. 8 is described in further detail to a kind of Rear frame component of the present utility model.
A kind of Rear frame component of the present utility model, refer to behind Fig. 4-8, including first floor after floor crossmember 1, second
Crossbeam 2 and the rear crossbeam 3 that two longitudinal section shapes are " U " type, floor crossmember 1 is fixedly connected on the left and right sides after described first
The rear leading inside of crossbeam 3, floor crossmember 2 is fixedly connected on the rear middle part of crossbeam 3 of the left and right sides after described second
Inner side, forms " mouth " font structure after described first between floor crossmember 2 and two rear crossbeams after floor crossmember 1, second,
Torsion-beam swing arm mounting seat soldering member 4, spiral spring seat soldering member 5 and side plate 6 are individually fixed on the rear crossbeam 3 afterwards.So, utilize
The formation of crossbeam 3 hollow Rear frame frame structure after floor crossmember 2 and two after floor crossmember 1, second, works as Rear frame after first
After component stress, the power that can be subject to Rear frame by the frame structure of hollow carries out transmission transition, can reduce rear car
The field of load of frame component, will not stress concentrate, cause Rear frame component distortion, cracking or deform.And borrow two-box automobile
Part, such as rear torsion-beam swing arm mounting seat soldering member 4, spiral spring seat soldering member 5 and the vital part of front end side plate 6, with this practicality
New three-box car vehicle frame is shared, and shares rate height, and the problem of part for solving two-box automobile be cannot be used on three-box car makes
Component sharing rate is improved, and can effectively reduce the input cost of Rear frame component.Lift part and sharing of die rate, reduction design
With checking cost.A kind of Rear frame component of the present utility model, its component sharing rate is high, and the project development cycle is short, reduces production
Cost, and die cost is saved, local stiffness can be lifted, improves and is vibrated at back seat, and then improve auto NVH
Energy.
A kind of Rear frame component of the present utility model, refer to Fig. 4-8, on the basis of previously described technical scheme also
Can be：The front lower portion of floor crossmember 1 is spaced and parallel after described first be provided with least two before floor stand 7, the preceding floor
The front end of support 7 is fixedly connected with preceding floor 8, and the preceding rear end of floor stand 7 is fixedly connected with floor crossmember 1 after described first.
So, floor stand 7 before the front lower portion of floor crossmember 1 is provided with least two after first, connects preceding using preceding floor stand 7
Plate 8, Path of Force Transfer of the perfect body bottom of newly-increased preceding floor stand 7 in longitudinal direction.Except passing through side plate 6 and preceding floor in both sides
8 strengthen longeron power transmission, the cavity that the preceding centre gangway both sides of floor 8 are formed is penetrated into rear portion lower body, make anterior impact energy
Evenly scattered；In terms of Y-direction, before and after strengthening while the bond strength of floor, bending value is reduced, makes join domain deformation more
It is small.Increased preceding floor stand 7, lifts the region local mode, solves the problem of back seat lower plate is partially soft.Further
Preferred scheme is：The lateral cross section of preceding floor stand 7 is shaped as " L " shape, the preceding upper end leading flank of floor stand 7 and institute
The trailing flank of floor crossmember 1 is welded and fixed after stating first, and the preceding bottom of floor stand 7 is fixed with the preceding floor welded.This
Sample, is set to L-shaped, preferably the centre gangway with preceding floor is attached by preceding floor stand 7, and more perfect body bottom exists
The Path of Force Transfer of longitudinal direction.Further preferred scheme is：The number of preceding floor stand 7 is between four, the preceding floor stand 7
Every the front lower portion for being arranged on floor crossmember 1 after described first.So, after preceding floor stand 7 being disposed on into described first
The front lower portion of floor crossmember 1, makes Path of Force Transfer of the preceding floor 8 with Rear frame component in longitudinal direction more balance and perfect.
A kind of Rear frame component of the present utility model, refer to Fig. 4-8, on the basis of previously described technical scheme also
Can be：The rear crossbeam 3 includes crossbeam body 10 and crossbeam extension 9, and the crossbeam extension 9 is fixedly connected on described big
The rearward end of beam body 10.So, in the rear end of crossbeam body 10 increase crossbeam extension 9, effective induced distortion in collision makes whole
Touched after car and meet laws and regulations requirement.What newly-increased crossbeam extension 9 can make fuel tank in being touched after vehicle, battery stand and oil pipe should
Variable is all controlled within 0.2, and fuel tank and oil pipe are not hit and extruded in collision process.Meet GB
20072-2006《Fuel system requirement is collided after passenger car》.Further preferred scheme is：The crossbeam extension 9 is provided with
The energy-absorbing muscle 11 being downwardly concaved of at least three longitudinal directions.So, the three energy-absorbing muscle 11 arranged on crossbeam extension 9, are being touched
During hitting, it is possible to increase the self-strength and rigidity of rear crossbeam, and it can effectively prevent induced distortion.It can also be：It is described big
The thickness of slab of beam extension 9 is at least 1.4mm.So, this programme uses the thickness of slab of crossbeam extension 9 to be B280VK- for 1.4mm, material
FB-D crossbeam extension 9.
A kind of Rear frame component of the present utility model, refer to Fig. 4-8, on the basis of previously described technical scheme also
Can be：The side surface of rear crossbeam 3 is provided with least two positioning holes 12, and the positioning hole 12 is arranged at intervals at described rear big
On the side surface of beam 3.It can also be：The rear outer side portions of rear crossbeam 3 are provided with the backplate 13 for being used for being connected with tail-gate plate, the shield
Plate 13 is fixedly connected on the rear outer side portions of rear crossbeam 3.So, set what is be connected with tail-gate plate in the rear rear outside of crossbeam 3
Backplate 13, thus after effectively improving crossbeam 3 and tail-gate plate bridging arrangement, so as to improve its bonding strength and rigidity.May be used also
To be：The inner side of rear crossbeam 3 is provided with the spare tyre cabin tie-beam 14 overlapped with spare tyre cabin, and spare tyre cabin tie-beam 14, which is fixed, to be connected
It is connected to the inside portion of rear crossbeam 3.So, spare tyre cabin tie-beam 14 is set in the inner side of rear crossbeam 3, spare tyre cabin tie-beam 14 with it is standby
Tire cabin is fitted, and is overlapped with spare tyre cabin, so as to improve the rigidity of structure in spare tyre cabin region.
It is above-mentioned that only several specific embodiments in the utility model are illustrated, but can not be as of the present utility model
Protection domain, equivalent change or modification or equal proportion amplification or contracting made by every design spirit according in the utility model
It is small etc., it is deemed to fall protection domain of the present utility model.
Claims (10)
1. a kind of Rear frame component, it is characterised in that：Cut including floor crossmember after floor crossmember, second after first and two longitudinal directions
Face is shaped as floor crossmember after the rear crossbeam of " U " type, described first and is fixedly connected in the rear crossbeam front end of the left and right sides
Side, to be fixedly connected on floor after the rear crossbeam inside middle portion of the left and right sides, described first horizontal for floor crossmember after described second
Formation " mouth " font structure between floor crossmember and two rear crossbeams after beam, second, rear torsion-beam swing arm mounting seat soldering member,
Spiral spring seat soldering member and side plate are individually fixed on the rear crossbeam.
2. Rear frame component according to claim 1, it is characterised in that：Floor crossmember front lower portion interval after described first
It is parallel be provided with least two before floor stand, the preceding floor stand front end is fixedly connected with preceding floor, the preceding floor stand
Rear end is fixedly connected with floor crossmember after described first.
3. Rear frame component according to claim 2, it is characterised in that：The preceding floor stand lateral cross section is shaped as
Floor crossmember trailing flank is welded and fixed after " L " shape, the preceding floor stand upper end leading flank and described first, the preceding floor
Pedestal lower end portion is fixed with the preceding floor welded.
4. Rear frame component according to claim 3, it is characterised in that：The preceding floor stand number is four.
5. the Rear frame component according to claim 1-4 any one claims, it is characterised in that：The rear crossbeam bag
Crossbeam body and crossbeam extension are included, the crossbeam extension is fixedly connected on the crossbeam body rearward end.
6. Rear frame component according to claim 5, it is characterised in that：The crossbeam extension is vertical provided with least three
To the energy-absorbing muscle being downwardly concaved.
7. Rear frame component according to claim 5, it is characterised in that：The crossbeam extension plate thickness is at least
1.4mm。
8. the Rear frame component according to claim 1-4 any one claims, it is characterised in that：The rear crossbeam side
Surface is provided with least two positioning holes, and the positioning hole is arranged at intervals on the rear crossbeam side surface.
9. the Rear frame component according to claim 1-4 any one claims, it is characterised in that：After the rear crossbeam
Portion outside portion is provided with the backplate for being used for being connected with tail-gate plate, and the backplate is fixedly connected on the rear crossbeam rear outer side portions.
10. the Rear frame component according to claim 1-4 any one claims, it is characterised in that：The rear crossbeam
Inner side is provided with the spare tyre cabin tie-beam overlapped with spare tyre cabin, and spare tyre cabin tie-beam is fixedly connected on the inside of the rear crossbeam
Portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086275.0U CN206501891U (en) | 2017-01-23 | 2017-01-23 | A kind of Rear frame component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720086275.0U CN206501891U (en) | 2017-01-23 | 2017-01-23 | A kind of Rear frame component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206501891U true CN206501891U (en) | 2017-09-19 |
Family
ID=59833815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720086275.0U Expired - Fee Related CN206501891U (en) | 2017-01-23 | 2017-01-23 | A kind of Rear frame component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206501891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341557A (en) * | 2018-04-03 | 2019-10-18 | 上汽通用五菱汽车股份有限公司 | A kind of seat back frame lower connector device |
-
2017
- 2017-01-23 CN CN201720086275.0U patent/CN206501891U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341557A (en) * | 2018-04-03 | 2019-10-18 | 上汽通用五菱汽车股份有限公司 | A kind of seat back frame lower connector device |
| CN110341557B (en) * | 2018-04-03 | 2024-06-11 | 上汽通用五菱汽车股份有限公司 | Lower joint device of seat rear frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170919 |