CN207128995U - Rear secondary frame for vehicle and automobile - Google Patents
Rear secondary frame for vehicle and automobile Download PDFInfo
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- CN207128995U CN207128995U CN201721025663.4U CN201721025663U CN207128995U CN 207128995 U CN207128995 U CN 207128995U CN 201721025663 U CN201721025663 U CN 201721025663U CN 207128995 U CN207128995 U CN 207128995U
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- longeron
- secondary frame
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- rear secondary
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Abstract
The utility model provides a kind of Rear secondary frame for vehicle and automobile, is related to vehicle manufacturing technology.Rear secondary frame for vehicle includes：Two longerons, the front end and rear end of longeron are provided with suspension mounting hole；The front end of two longerons is connected with front beam, and the rear end of two longerons is connected with rear cross beam；Longeron includes longeron upper piece and longeron bottom sheet, and longeron upper piece and the both sides of longeron bottom sheet are provided with the first flange, and longeron upper piece is fixedly connected with longeron bottom sheet by the first flange.Automobile includes Rear secondary frame for vehicle.By the both ends of the longeron in Rear secondary frame for vehicle, suspension mounting hole is set, front beam and rear cross beam are set between two longerons, the intensity near suspension mounting hole can be preferably improved, suspension mounting hole is reduced and nearby the phenomenon being broken occurs, so as to improve the intensity of Rear secondary frame for vehicle.In addition, by setting the first flange in the both sides of longeron upper piece and longeron bottom sheet, excessive welding deformation can not only be avoided, additionally it is possible to further improve the rigidity of longeron upper piece and longeron bottom sheet.
Description
Technical field
It the utility model is related to technical field of vehicle manufacture, more particularly to a kind of Rear secondary frame for vehicle and automobile.
Background technology
The Rear secondary frame for vehicle of automobile is the support for supporting rear axle and rear-mounted, and rear axle, rear-mounted and vehicle body are connected；
Also, Rear secondary frame for vehicle can obstruct vibration, reduce vibration and be directly entered compartment.In vehicle traveling process, because accelerating, braking,
Climbing, turn to and various complex road surfaces and caused shock loading, Rear secondary frame for vehicle can be all delivered to, it is therefore desirable to Rear secondary frame for vehicle
There are enough intensity and durability, so that Rear secondary frame for vehicle can bear shock loading caused by various complex working conditions, in vehicle
The work that can stablize in life cycle.
In the prior art, Rear secondary frame for vehicle generally includes main beam, and Rear secondary frame for vehicle cover plate, main horizontal stroke are provided with the middle part of main beam
The both sides of beam have each extended over two cantilevers, and suspension mounting hole is provided with cantilever.However, the Rear secondary frame for vehicle of said structure, hangs
Put and be nearby easily broken, cause automobile to be unable to normal use, room for improvement be present.
Utility model content
For drawbacks described above of the prior art, the utility model provides a kind of Rear secondary frame for vehicle and automobile, can effectively carry
The intensity of high Rear secondary frame for vehicle.
One side of the present utility model is to provide a kind of Rear secondary frame for vehicle, including：Two longerons, the front end of the longeron
And rear end is provided with suspension mounting hole；The front end of two longerons is connected with front beam, and the rear end of two longerons connects
It is connected to rear cross beam；The longeron includes longeron upper piece and longeron bottom sheet, and the longeron upper piece and the both sides of longeron bottom sheet are respectively provided with
There are the first flange, the longeron upper piece and longeron bottom sheet to be fixedly connected by first flange.
Further, piece and stabilizer bar arm anter after stabilizer bar arm are provided with the longeron, is used for and stabiliser bar
Connection.
Further, connecting rod rack of going forward, back link support and lower front rod support are additionally provided with the longeron.
Further, master positioning hole and secondary positioning hole are provided with the front beam.
Further, the cross section of the front beam is U-shaped, and the second flange is provided with rear side of the front beam, institute
State and the 3rd flange is provided with front side of front beam.
Further, there is the first predetermined angle between second flange and the front beam；3rd flange
Cross section is L-shaped.
Further, the rear cross beam includes piece after the rear cross beam anter and rear cross beam that are fixedly connected；The rear cross beam
On be additionally provided with two differential mechanism mounting holes.
Further, it is provided with welding locating slot on piece or the rear cross beam anter after the rear cross beam.
Further, the both ends of the rear cross beam are both provided with back lower controlling arm mounting hole and welding avoids mouth.
Other side of the present utility model is to provide a kind of automobile, including：Vehicle body and after being arranged on below vehicle body
Subframe；Wherein, the Rear secondary frame for vehicle is the Rear secondary frame for vehicle described in foregoing any one.
Rear secondary frame for vehicle and automobile provided by the utility model, suspension installation is set by the both ends of the longeron in Rear secondary frame for vehicle
Hole, front beam and rear cross beam are set between two longerons, the intensity near suspension mounting hole can be preferably improved, reduce
Nearby there is the phenomenon being broken in suspension mounting hole, so as to improve the intensity of Rear secondary frame for vehicle.In addition, by longeron upper piece and vertical
The both sides of beam bottom sheet set the first flange so that longeron upper piece is fixedly connected with longeron bottom sheet by the first flange, can not only
Avoid excessive welding deformation, additionally it is possible to further improve the rigidity of longeron upper piece and longeron bottom sheet.
Brief description of the drawings
Fig. 1 is the structural representation one of the utility model embodiment Rear secondary frame for vehicle；
Fig. 2 is the structural representation of longeron in the utility model embodiment Rear secondary frame for vehicle；
Fig. 3 is the partial structural diagram of longeron in the utility model embodiment Rear secondary frame for vehicle；
Fig. 4 is the structural representation two of the utility model embodiment Rear secondary frame for vehicle；
Fig. 5 is the structural representation of connecting rod rack of being gone forward in the utility model embodiment Rear secondary frame for vehicle；
Fig. 6 is the structural representation of back link support in the utility model embodiment Rear secondary frame for vehicle；
Fig. 7 is the structural representation of lower front rod support in the utility model embodiment Rear secondary frame for vehicle；
Fig. 8 is the structural representation of front beam in the utility model embodiment Rear secondary frame for vehicle；
Fig. 9 is sectional schematic diagram of the front beam at A-A in the utility model embodiment Rear secondary frame for vehicle；
Figure 10 is the partial structural diagram of the connecting portion of front beam in the utility model embodiment Rear secondary frame for vehicle；
Figure 11 is the structural representation one of the utility model embodiment Rear secondary frame for vehicle middle and rear cross beam；
Figure 12 is sectional schematic diagram of the utility model embodiment Rear secondary frame for vehicle middle and rear cross beam at C-C；
Figure 13 is the structural representation two of the utility model embodiment Rear secondary frame for vehicle middle and rear cross beam.
Wherein, 100- longerons；100a- suspends mounting hole；The flange of 100b- first；110- longerons upper piece；Under 120- longerons
Piece；130- goes forward connecting rod rack；140- stabilizer bar arm anters；Piece after 150- stabilizer bar arms；160- back link supports；170-
Lower front rod support；200- front beams；200a- master positionings hole；200b- pair positioning holes；The flange of 200c- second；200d- the 3rd is turned over
Side；210- connecting portions；210a- circular holes；300- rear cross beams；300a- back lower controlling arm mounting holes；300b- differential mechanism mounting holes；
300c- welding avoids mouth；300d- welds locating slot；310- rear cross beam anters；Piece after 320- rear cross beams.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.
Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.In the case where not conflicting, following implementation
Feature in example and embodiment can be mutually combined.
Wherein, the term of " on ", " under ", "front", "rear" etc., is for describing the relative position of each structure in the accompanying drawings
Relation, only for ease of narration understand, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or
Adjustment, in the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model.
It should be noted that in description of the present utility model, it is different that term " first ", " second " are only used for convenient description
Part, and it is not intended that instruction or implying ordinal relation, relative importance or implicit indicating indicated technical characteristic
Quantity.Thus, " first " is defined, at least one this feature can be expressed or be implicitly included to the feature of " second ".
Fig. 1 is the structural representation one of the utility model embodiment Rear secondary frame for vehicle；Fig. 2 is pair after the utility model embodiment
The structural representation of longeron in vehicle frame；Fig. 3 is the partial structural diagram of longeron in the utility model embodiment Rear secondary frame for vehicle；Figure
4 be the structural representation two of the utility model embodiment Rear secondary frame for vehicle.Wherein, direction of arrow Q is front.
Fig. 1-Fig. 4 is refer to, the present embodiment provides a kind of Rear secondary frame for vehicle, including：Two longerons 100, the front end of longeron 100
And rear end is provided with suspension mounting hole 100a；The front end of two longerons 100 is connected with front beam 200, after two longerons 100
End is connected with rear cross beam 300；Longeron 100 includes longeron upper piece 110 and longeron bottom sheet 120, longeron upper piece 110 and longeron bottom sheet
120 both sides, which are provided with the first flange 100b, longeron upper piece 110 and longeron bottom sheet 120 and fixed by the first flange 100b, to be connected
Connect.
Wherein, " on " it is top in Fig. 1, " under " it is lower section in Fig. 1.
Specifically, longeron upper piece 110 and longeron bottom sheet 120 can take the shape of the letter U, so that under longeron upper piece 110 and longeron
Piece 120 can surround the first cavity, so as to improve Rear secondary frame for vehicle to vibration and the isolation of noise.Longeron upper piece 110 and vertical
The both sides of beam bottom sheet 120 are provided with the first flange 100b, when assembling longeron 100, by the first flange of longeron upper piece 110
100b is aligned with the first flange 100b of longeron bottom sheet 120, is then welded and fixed；By in longeron upper piece 110 and longeron bottom sheet
First flange 100b is set on 120, excessive welding deformation can not only be avoided, additionally it is possible to further improves longeron upper piece 110
And the rigidity of longeron bottom sheet 120；Also, longeron 100 forms closed cross-section, additionally it is possible to improves the bending of longeron 100 and reverses strong
Degree, it is favorably improved the load-bearing capacity and endurance quality of Rear secondary frame for vehicle.
The both ends of two longerons 100 are provided with suspension mounting hole 100a, for being connected with vehicle body.Two longerons 100
Both ends are respectively equipped with front beam 200 and rear cross beam 300, it is preferred that front beam 200 and rear cross beam 300 be arranged at it is close
Suspend at mounting hole 100a, preferably to improve the intensity near suspension mounting hole 100a, reduce near suspension mounting hole 100a
There is the phenomenon being broken, so as to improve the intensity of Rear secondary frame for vehicle.
The Rear secondary frame for vehicle that the present embodiment provides, by setting suspension mounting hole 100a at the both ends of longeron 100, indulged at two
Front beam 200 and rear cross beam 300 are set between beam 100, the intensity near suspension mounting hole 100a can be preferably improved, subtract
Mounting hole 100a is suspended less and nearby the phenomenon being broken occurs, so as to improve the intensity of Rear secondary frame for vehicle.In addition, by longeron upper piece
110 and the first flange 100b of both sides setting of longeron bottom sheet 120 so that longeron upper piece 110 and longeron bottom sheet 120 pass through first
Flange 100b is fixedly connected, and can not only avoid excessive welding deformation, additionally it is possible to further improves longeron upper piece 110 and longeron
The rigidity of bottom sheet 120.
Hang for transmitting power and torque between vehicle frame and wheel, and buffer impact of the road surface to vehicle frame or vehicle body
Power, generally include multi link and QS.Because suspension is mostly loose mail, to improve the efficiency of assembling of vehicle, generally first will
Suspension is arranged on Rear secondary frame for vehicle, and then Rear secondary frame for vehicle is connected with vehicle body again, realizes the modular assembly of suspension system.
Fig. 5 is the structural representation of connecting rod rack of being gone forward in the utility model embodiment Rear secondary frame for vehicle；
Fig. 6 is the structural representation of back link support in the utility model embodiment Rear secondary frame for vehicle；
Fig. 7 is the structural representation of lower front rod support in the utility model embodiment Rear secondary frame for vehicle.
Fig. 5-Fig. 7 is refer to, further, is provided with longeron 100 after stabilizer bar arm before piece 150 and stabilizer bar arm
Piece 140, for being connected with stabiliser bar.
On the concrete structure of piece 150 after stabilizer bar arm anter 140 and stabilizer bar arm, those skilled in the art can be with
It is configured according to being actually needed, can also be consistent with prior art.
It is preferred that piece 150 is welded and fixed with longeron 100 after stabilizer bar arm anter 140 and stabilizer bar arm, such as surely
The first edge that piece 150 is connected with longeron 100 after fixed pole support anter 140 and stabilizer bar arm, which can be provided with, to be used for and longeron
The welding edge of 100 welding, to avoid piece 150 after stabilizer bar arm anter 140 and stabilizer bar arm from larger welding deformation occur；
Whole at second edge or office after stabilizer bar arm anter 140 and stabilizer bar arm on piece 150 in addition to first edge
Portion can set the 4th flange, to improve the rigidity of piece 150 after stabilizer bar arm anter 140 and stabilizer bar arm.
Further, front rod support, back link support 160 and lower front rod support are additionally provided with longeron 100
170, for being connected with the connecting rod in suspension.
On the concrete structure of front rod support, back link support 160 and lower front rod support 170, art technology
Personnel can be configured according to being actually needed, can also be consistent with prior art.
It is preferred that connecting rod rack 130 of going forward, back link support 160 and lower front rod support 170 weld with longeron 100
Connect fixation, such as the first edge that front rod support, back link support 160 and lower front rod support 170 are connected with longeron 100
The welding edge for being welded with longeron 100 can be provided with, with avoid front rod support, back link support 160 and it is lower before connect
There is larger welding deformation in bar support 170；Front rod support, back link support 160 and lower front rod support 170 remove first
Whole at second edge outside edge or it is local 5th flange can be set, with improve go forward connecting rod rack 130 and after
The rigidity of connecting rod rack 160.In addition, reinforcement can also be set on connecting rod rack 130 and back link support 160 by going forward, to carry
Height is gone forward the intensity of connecting rod rack 130 and back link support 160.
Fig. 8 is the structural representation of front beam in the utility model embodiment Rear secondary frame for vehicle；
Fig. 9 is sectional schematic diagram of the front beam at A-A in the utility model embodiment Rear secondary frame for vehicle；
Figure 10 is the partial structural diagram of the connecting portion of front beam in the utility model embodiment Rear secondary frame for vehicle.
Fig. 8-Figure 10 is refer to, further, the cross section of front beam 200 is U-shaped, and the rear side of front beam 200 is set
There is the second flange 200c, the front side of front beam 200 is provided with the 3rd flange 200d.
Specifically, there is the first predetermined angle between the second flange 200c and front beam 200；3rd flange 200d's is transversal
Face is L-shaped, preferably to lift the bending of front beam 200 and torsional strength, be favorably improved Rear secondary frame for vehicle load-bearing capacity and
Endurance quality；Front beam 200 can be stamped and formed out.
In addition, the connecting portion 210 being provided at both ends with for being connected with longeron 100 of front beam 200, the connecting portion 210 with
The junction of flare connecting rod in suspension is provided with camber adjustment pad neck, and the both sides of the neck are provided with circular hole 210a, example
As both sides set two respectively, effectively to avoid during punching press and use due to cracking phenomena caused by stress concentration, from
And the connection of Rear secondary frame for vehicle and flare pull bar is effectively ensured.
Further, welding location-plate hole, master positioning hole 200a and secondary positioning hole are also provided with front beam 200
200b, welding location-plate hole, master positioning hole 200a and secondary positioning hole 200b are specifically located at the upside of front beam 200, in order to
The assembling of front beam 200 and Rear secondary frame for vehicle and other parts.
Figure 11 is the structural representation one of the utility model embodiment Rear secondary frame for vehicle middle and rear cross beam；
Figure 12 is sectional schematic diagram of the utility model embodiment Rear secondary frame for vehicle middle and rear cross beam at C-C；
Figure 13 is the structural representation two of the utility model embodiment Rear secondary frame for vehicle middle and rear cross beam.
Figure 11-Figure 13 is refer to, further, rear cross beam 300 includes the rear cross beam anter 310 being fixedly connected and rear horizontal stroke
Piece 320 after beam, piece 320 surrounds the second cavity of a closing after rear cross beam anter 310 and rear cross beam, further improves Rear secondary frame for vehicle
To vibration and the isolation of noise, and bending and the torsional strength of rear cross beam 300 are improved, be favorably improved the load of Rear secondary frame for vehicle
Ability and endurance quality.
Further, two differential mechanism mounting hole 300b are additionally provided with rear cross beam 300, so that after the present embodiment provides
Subframe can either be applied to two and drive automobiles, can also be applied to 4 wheel driven automobile, namely realize that chassis two is driven and 4 wheel driven is set
Count generalization.
Further, it is provided with welding locating slot 300d on piece 320 or rear cross beam anter 310 after rear cross beam.Specifically,
The top of piece 320 can be provided with two welding locating slot 300d after rear cross beam, and the bottom and both ends of rear cross beam anter 310 also may be used
It is fixed in order to carry out welding during piece 320 after crossbeam anter 310 after welding and rear cross beam to be provided with welding locating slot 300d
Position, it is favorably improved the efficiency of assembling of Rear secondary frame for vehicle.
Further, the both ends of rear cross beam 300 are both provided with back lower controlling arm mounting hole 300a and welding avoids mouth
300c.Wherein, welding avoids mouth 300c and is arranged on the junction of rear cross beam 300 and longeron 100, in order to by rear cross beam 300 and
Longeron 100 is welded and fixed.
The present embodiment also provides a kind of automobile, including：Vehicle body and the Rear secondary frame for vehicle being arranged on below vehicle body；Wherein, after
Subframe is the Rear secondary frame for vehicle in foregoing any embodiment, namely the structure of Rear secondary frame for vehicle in the present embodiment, function with it is foregoing
Embodiment is same or similar, and here is omitted.
The automobile that the present embodiment provides, suspension mounting hole is set by the both ends of the longeron in Rear secondary frame for vehicle, it is vertical at two
Front beam and rear cross beam are set between beam, can preferably improve the intensity near suspension mounting hole, reduces suspension mounting hole
Nearby there is the phenomenon being broken, so as to improve the intensity of Rear secondary frame for vehicle.In addition, by the two of longeron upper piece and longeron bottom sheet
Side sets the first flange so that longeron upper piece is fixedly connected with longeron bottom sheet by the first flange, can not only be avoided excessive
Welding deformation, additionally it is possible to further improve the rigidity of longeron upper piece and longeron bottom sheet.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
- A kind of 1. Rear secondary frame for vehicle, it is characterised in that including：Two longerons, the front end and rear end of the longeron are provided with suspension Mounting hole；The front end of two longerons is connected with front beam, and the rear end of two longerons is connected with rear cross beam；The longeron Including longeron upper piece and longeron bottom sheet, the both sides of the longeron upper piece and longeron bottom sheet are provided with the first flange, the longeron Upper piece be fixedly connected with longeron bottom sheet by first flange.
- 2. Rear secondary frame for vehicle according to claim 1, it is characterised in that be provided with the longeron after stabilizer bar arm piece and Stabilizer bar arm anter, for being connected with stabiliser bar.
- 3. Rear secondary frame for vehicle according to claim 1, it is characterised in that be additionally provided with the longeron connecting rod rack of going forward, Back link support and lower front rod support.
- 4. Rear secondary frame for vehicle according to claim 1, it is characterised in that master positioning hole and pair are provided with the front beam Positioning hole.
- 5. Rear secondary frame for vehicle according to claim 1, it is characterised in that the cross section of the front beam is U-shaped, and it is described before The second flange is provided with rear side of crossbeam, the 3rd flange is provided with front side of the front beam.
- 6. Rear secondary frame for vehicle according to claim 5, it is characterised in that have between second flange and the front beam First predetermined angle；The cross section of 3rd flange is L-shaped.
- 7. Rear secondary frame for vehicle according to claim 1, it is characterised in that before the rear cross beam includes the rear cross beam that is fixedly connected Piece after piece and rear cross beam；Two differential mechanism mounting holes are additionally provided with the rear cross beam.
- 8. Rear secondary frame for vehicle according to claim 7, it is characterised in that piece or the rear cross beam anter after the rear cross beam On be provided with welding locating slot.
- 9. Rear secondary frame for vehicle according to claim 1, it is characterised in that the both ends of the rear cross beam are lower after being both provided with to be controlled Arm mounting hole and welding avoid mouth.
- A kind of 10. automobile, it is characterised in that including：Vehicle body and the Rear secondary frame for vehicle being arranged on below vehicle body；Wherein, after described Subframe is the Rear secondary frame for vehicle described in claim any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721025663.4U CN207128995U (en) | 2017-08-16 | 2017-08-16 | Rear secondary frame for vehicle and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721025663.4U CN207128995U (en) | 2017-08-16 | 2017-08-16 | Rear secondary frame for vehicle and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207128995U true CN207128995U (en) | 2018-03-23 |
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ID=61634951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721025663.4U Active CN207128995U (en) | 2017-08-16 | 2017-08-16 | Rear secondary frame for vehicle and automobile |
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| Country | Link |
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| CN (1) | CN207128995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341795A (en) * | 2018-04-03 | 2019-10-18 | 上海汽车集团股份有限公司 | A kind of electric car and its Rear secondary frame for vehicle |
-
2017
- 2017-08-16 CN CN201721025663.4U patent/CN207128995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341795A (en) * | 2018-04-03 | 2019-10-18 | 上海汽车集团股份有限公司 | A kind of electric car and its Rear secondary frame for vehicle |
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