CN209553307U - A kind of integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle - Google Patents
A kind of integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle Download PDFInfo
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- CN209553307U CN209553307U CN201822088740.1U CN201822088740U CN209553307U CN 209553307 U CN209553307 U CN 209553307U CN 201822088740 U CN201822088740 U CN 201822088740U CN 209553307 U CN209553307 U CN 209553307U
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Abstract
The utility model is a kind of integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle.Subframe quadrangle is cantilever design, and cantilever top is disposed with bushing mounting holes, differential mechanism suspension bushing mounting hole has been arranged symmetrically on front beam, rear cross beam；Subframe front beam two sides have been arranged symmetrically upper suspension arm mounting bracket, prenex control arm mounting bracket, have been arranged symmetrically lower control arm mounting bracket under rear cross beam, and eccentric bolt adjustment structure is provided on lower control arm bracket；Subframe front beam top is arranged symmetrically support/installation base of stabilizer bar system, and left side central portion is provided with height sensor mounting characteristic；Subframe outer surface and inner cavity are provided with several reinforcing ribs；Subframe is equipped with the feature for hiding rear jack shaft and rear differential mechanism.Aluminum alloy material and low-pressure casting process are applied Mr. Yu's 4-wheel driven car type Rear secondary frame for vehicle by the utility model, and 4 wheel driven vehicle is met by reasonable structure to space layout, function, structural strength and casting technique demand, to reach light-weighted effect.
Description
Technical field
The utility model belongs to automotive suspension part field, after specifically a kind of integrally formed hollow cast aluminium 4 wheel driven
Subframe.
Background technique
Currently, passenger car Rear secondary frame for vehicle is generally using steel plate, steel pipe as raw material, using punch forming, interior high-pressure molding, curved
The techniques such as foldable type manufacture construction package, then carry out assembled welding and form subframe.The type subframe component is numerous, structure
Complicated and weight is generally heavier.With automotive light weight technology require it is higher and higher, traditional steel subframe can no longer meet
The light-weighted demand in chassis, the lightweighting materials such as aluminium alloy and related manufacturing process are just gradually succeeded on subframe and answer
With.
Summary of the invention
The utility model provides a kind of integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle, adheres to light-weighted design reason
It reads, aluminum alloy material and low-pressure casting process is applied into Mr. Yu's 4-wheel driven car type Rear secondary frame for vehicle, designed by reasonable structure to expire
Sufficient 4 wheel driven vehicle is to space layout demand, functional requirement, structural strength demand and casting technique demand, to reach light-weighted effect
Fruit solves the above problem of existing 4 wheel driven Rear secondary frame for vehicle.
Technical solutions of the utility model are described with reference to the drawings as follows:
A kind of integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle, subframe 1 is hollow structure, whole using low-pressure casting process
It is body formed；The subframe 1 is in " well " font profile, and quadrangle is cantilever design；The cantilever design top is symmetrically provided with
First bushing mounting holes 2a, the second bushing mounting holes 2b, third bushing mounting holes 2c and the 4th bushing mounting holes 2d；The pair
1 front beam of vehicle frame, 9 front suspension cloth is equipped with bracket, the first bush hole 3a and the second bush hole 3b；1 rear cross beam of subframe
10 middle parts, which are run through, is disposed with third bush hole 3c and the 4th bush hole 3d；The subframe 1 is symmetrical in 9 liang of upper sides of front beam
It is disposed with the first upper suspension arm bracket 4a and the second upper suspension arm bracket 4b；The subframe 1 is in 9 down either side pair of front beam
Title is disposed with the prenex control arm mounting bracket 5b of the first toe-in control arm mounting bracket 5a and second；First upper suspension arm
Bracket 4a and the second upper suspension arm bracket 4b is in the prenex control arm mounting bracket of the first toe-in control arm mounting bracket 5a and second
The surface of 5b；1 rear cross beam of subframe, 10 lower part has been arranged symmetrically under the first lower control arm mounting bracket 6a and second
Control arm mounting bracket 6b；Described subframe 1 front beam, the 9 liang of upper lateral parts have been arranged symmetrically first boss 7a and second boss
7b；The 1 middle part left side of subframe is provided with third boss 8；The 1 front beam middle lower surface 18a of subframe is upper
Arch shape；The left stringer middle lower surface 18b of subframe 1 is upper arch shape；Following table in the middle part of 1 right vertical beam of subframe
Face 18c is upper arch shape；The 1 rear cross beam inner opposite end outer surface 18d of subframe is concave shape；The subframe 1
Other end outer surface 18e is concave shape on the inside of rear cross beam；1 front beam of subframe, the 9 lower surface inner cavity is provided with twice
First reinforcing rib 13a, upper surface inner cavity are provided with the second reinforcing rib of twice 13b；The 1 rear cross beam inner opposite end of subframe is bent
Face 18d and the rear cross beam inside inner cavity another end curved surface 18e have been arranged symmetrically twice third reinforcing rib 13c；Described first is prenex
The prenex control arm mounting bracket 5b lower inner surface of control arm mounting bracket 5a and second is symmetrically arranged with the 4th reinforcing rib 13d,
And it is parallel with the first toe-in control arm mounting bracket 5a and the second toe-in control arm mounting bracket 5b；Beam control before described first
The prenex control arm mounting bracket 5b lower external face of arm mounting bracket 5a processed and second has been arranged symmetrically the 5th reinforcing rib 13e and the
Six reinforcing rib 13f；The cantilever design is pacified close to the first bushing mounting holes 2a, the second bushing mounting holes 2b, third bushing
The upper surface for filling the end of hole 2c and the 4th bushing mounting holes 2d is provided with the 4th boss 11a, the 5th boss 11b, the 6th boss
11c and the 7th boss 11d；The cantilever design is served as a contrast close to the first bushing mounting holes 2a, the second bushing mounting holes 2b, third
Cover mounting hole 2c and the 4th bushing mounting holes 2d end lower surface be provided with first positioning hole 12a, second location hole 12b,
First positioning convex platform 12c and the second positioning convex platform 12d；The first upper suspension arm bracket 4a, the second upper suspension arm bracket 4b,
First prenex control arm mounting bracket 5a, the second toe-in control arm mounting bracket 5b and left and right front boom connecting portion 17 are to two sides
Draft.
It is provided on the upper suspension arm bracket 4a and the second upper suspension arm bracket 4b for connecting upper suspension arm
Round bolt mounting holes.
It offers and is used on the prenex control arm mounting bracket 5b of the first toe-in control arm mounting bracket 5a and second
Connect the round bolt mounting holes of prenex control arm.
It is provided on the first lower control arm mounting bracket 6a and the second lower control arm mounting bracket 6b for connecting
The card slot and slotted hole of the rectangular section of lower control arm.
Be each provided on the first boss 7a and second boss 7b two be used to support and install stabilizer bar bushing and
The threaded hole of cover board；Have on the third boss 8 for the threaded hole of mounting height sensor and is sensed for mounting height
The claw limiting slot of device bracket.
10 lower part of rear cross beam is gradually increased in section from the middle to both ends.
The first reinforcing rib 13a, the second reinforcing rib 13b with a thickness of 5mm, be highly 20mm；The third adds
Strengthening tendons 13c with a thickness of 7mm；The 4th reinforcing rib 13d with a thickness of 7mm.
The subframe 1 is provided with the first riser 14a, the second riser 14b, third riser on the die parting line A of front side
14c, the 4th riser 14d and the 5th riser 14e；The subframe 1 is provided with the 6th riser 14h, on rear side die parting line B
Seven riser 14i, the 8th riser 14j, the 9th riser 14k and the tenth riser 14l；The subframe 1 is set on the die parting line C of left side
It is equipped with the 11st riser 14o, the 12nd riser 14p and the 13rd riser 14g；The subframe 1 is set on the die parting line D of right side
It is equipped with the 14th riser 14f, the 15th riser 14m and the 16th riser 14n.
The subframe 1 has been arranged symmetrically the first Feeding channel 16a, the first Feeding channel in 10 inner surface of rear cross beam
16a is right above the first lower control arm mounting bracket 6a and the second lower control arm mounting bracket 6b；The subframe 1 is first
Boss 7a and second boss 7b inner surface are provided with the second Feeding channel 16b and third Feeding channel 16c.
The first oblong fabrication hole 15k and second is arranged on die parting line E on rear side of the middle part of front beam 9 in the subframe 1
Oblong fabrication hole 15l；The subframe 1 round fabrication hole 15m of setting first on die parting line B on rear side of the middle part of rear cross beam 10
With the second round fabrication hole 15n；The subframe 1 be arranged on 9 both ends upper surface of front beam third circle fabrication hole 15b and
4th round fabrication hole 15c；The subframe 1 be arranged on 10 both ends upper surface of rear cross beam the 5th circle fabrication hole 15e and
6th round fabrication hole 15h；The 7th oblong fabrication hole 15f is arranged in the subframe 1 on 10 middle part upper surface of rear cross beam
With the 8th oblong fabrication hole 15g；9th oblong fabrication hole 15a is set on the first bushing mounting holes 2a inner wall；Institute
Tenth oblong fabrication hole 15d is set on the second bushing mounting holes 2b inner wall stated；The third bushing mounting holes 2c inner wall
The 11st oblong fabrication hole 15i of upper setting；12nd oblong technique is set on the 4th bushing mounting holes 2d inner wall
Hole 15j.
The utility model has the following beneficial effects:
Compared with conventional steel subframe, the provided technical solution of the utility model is suitable for 4 wheel driven vehicle, has intensity
With the advantages that rigidity is high, light-weight, simple process, can be very good to meet the light-weighted demand in 4 wheel driven vehicle chassis, to energy conservation
Emission reduction is of great significance.
Detailed description of the invention
Fig. 1 is the utility model front overall structure diagram；
Fig. 2 is the utility model reverse side overall structure diagram；
Fig. 3 is the utility model front beam lower inner surface cross-sectional view；
Fig. 4 is the utility model front beam upper inside surface cross-sectional view；
Fig. 5 is the utility model rear cross beam partial structure sectional view；
Fig. 6 is the utility model toe-in control arm stent inner surface cross-sectional view；
Fig. 7 is the utility model benefit stabiliser bar support level feeding structure sectional view；
Fig. 8 is the utility model side form forming part schematic diagram.
In figure: 1, subframe；2a, the first bushing mounting holes；2b, the second bushing mounting holes；2c, third bushing mounting holes；
2d, the 4th bushing mounting holes；3a, the first bush hole；3b, the second bush hole；4a, the first upper suspension arm bracket；4b, it controls on second
Arm support processed；5a, the first prenex control arm mounting bracket；5b, the second prenex control arm mounting bracket；6a, the first lower control arm
Mounting bracket；6b, the second lower control arm mounting bracket；7a, first boss；7b, second boss；8, third boss；9, front beam；
10, rear cross beam；11a, the 4th boss；11b, the 5th boss；11c, the 6th boss；11d, the 7th boss；12a, first positioning hole；
12b, second location hole；12c, the first positioning convex platform；12d, the second positioning convex platform；13a, the first reinforcing rib；13b, second are reinforced
Muscle；13c, third reinforcing rib；13d, the 4th reinforcing rib；13e, the 5th reinforcing rib；13f, the 6th reinforcing rib；14a, the first riser；
14b, the second riser；14c, third riser；14d, the 4th riser；14e, the 5th riser；14f, the 14th riser；14g, the 13rd
Riser；14h, the 6th riser；14i, the 7th riser；14j, the 8th riser；14k, the 9th riser；14l, the tenth riser；14m,
15 riser；14n, the 16th riser；14o, the 11st riser；14p, the 12nd riser；15a, the 9th oblong fabrication hole；
15b, third circle fabrication hole；15c, the 4th round fabrication hole；15d, the tenth oblong fabrication hole；15e, the 5th round technique
Hole；15f, the 7th oblong fabrication hole；15g, the 8th oblong fabrication hole；15h, the 6th round fabrication hole；15i, the 11st length
Round fabrication hole；15j, the 12nd oblong fabrication hole；15k, the first oblong fabrication hole；15l, the second oblong fabrication hole；
15m, the first round fabrication hole；15n, the second round fabrication hole；16a, the first Feeding channel；16b, the second Feeding channel；16c,
Third Feeding channel；17, left and right front boom connecting portion；18a, front beam middle lower surface；18b, left stringer middle lower surface；
18c, right vertical beam middle lower surface；18d, rear cross beam inner opposite end outer surface；Other end outer surface on the inside of 18e, rear cross beam.
Specific embodiment
The utility model provides a kind of integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle, and provided subframe is suitable for E type
Multi link 4 wheel driven independent rear suspension system.
Refering to fig. 1, Fig. 2, a kind of integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle, subframe 1 are hollow structure, aluminium alloy
It is material, integrally formed using low-pressure casting process；The subframe 1 is in " well " font profile, and quadrangle is cantilever design；；Institute
The cantilever design top stated symmetrically be provided with the first bushing mounting holes 2a, the second bushing mounting holes 2b, third bushing mounting holes 2c and
4th bushing mounting holes 2d, for being pressed the suspension bushing connecting with vehicle body, to improve the ride comfort of vehicle.
1 front beam of subframe, the 9 front suspension cloth is equipped with bracket, the first bush hole 3a and the second bush hole 3b；Institute
Run through in the middle part of 1 rear cross beam 10 of subframe stated and is disposed with third bush hole 3c and the 4th bush hole 3d；First bush hole
3a and the second bush hole 3b；Run through in the middle part of 1 rear cross beam 10 of subframe and is disposed with third bush hole 3c and the 4th bush hole
3d is for installing differential mechanism suspension bushing, to improve 4 wheel driven vehicle rear wheel drive/drive system ride comfort.
The subframe 1 has been arranged symmetrically on the first upper suspension arm bracket 4a and second in 9 liang of upper sides of front beam and has controlled
Arm support 4b processed；Round bolt mounting holes are opened up on the first upper suspension arm bracket 4a and the second upper suspension arm bracket 4b,
For connecting upper suspension arm.
The subframe 1 has been arranged symmetrically the first toe-in control arm mounting bracket 5a and in 9 down either side of front beam
Two prenex control arm mounting bracket 5b；The prenex control arm mounting bracket of the first toe-in control arm mounting bracket 5a and second
Round bolt mounting holes are opened up on 5b, for connecting prenex control arm.
1 rear cross beam of subframe, 10 lower part has been arranged symmetrically the lower control of the first lower control arm mounting bracket 6a and second
Arm mounting bracket 6b；Rectangle is provided on the first lower control arm mounting bracket 6a and the first lower control arm mounting bracket 6b
The card slot and slotted hole in section, for connecting lower control arm, lower control arm and subframe are connected with eccentric bolt, wherein eccentric spiral shell
Bolt is installed in rectangle card slot, lower control arm can be pushed to move along slotted hole direction to realization pair by adjusting eccentric bolt
The adjustment of toeing-in, camber angle.
Described subframe 1 front beam, the 9 liang of upper lateral parts have been arranged symmetrically first boss 7a and second boss 7b；Boss first half
It is partially protrude through except ontology and latter half is depressed within ontology, 2 threaded holes is each provided on each boss, for branch
Support and installation stabilizer bar bushing and cover board.
The 1 middle part left side of subframe is provided with third boss 8, there is threaded hole and claw limiting slot on third boss 8,
For mounting height sensor and its bracket.
The 1 front beam middle lower surface 18a of subframe is upper arch shape, to hide transmission shaft and differential mechanism；It is described
The left stringer middle lower surface 18b of subframe 1 be upper arch shape；The 1 right vertical beam middle lower surface 18c of subframe is arch
Shape, to hide left and right rear jack shaft；The 1 rear cross beam inner opposite end outer surface 18d of subframe is concave shape；Institute
Other end outer surface 18e is concave shape on the inside of 1 rear cross beam of subframe stated, while 10 lower part of rear cross beam is cut from the middle to both ends
Face is gradually increased, which keeps 10 lower part of rear cross beam, two end cross-sectional area big and intermediate cross-section product is small, thus rear cross beam lower part both ends
Supporting and space can be provided for the first lower control arm mounting bracket 6a and the first lower control arm mounting bracket 6b, and inside lower concave part
Position is then for hiding differential mechanism and its mounting bracket.
The design of subframe 1 described in the utility model has following feature, to meet lightweight, promote the demands such as rigidity, intensity:
Subframe 1 is hollow structure, and surface is continuous, uniform wall thickness, to meet lightweight and good castability；1 profile of subframe
For "well" type frame structure, it is possible to provide good rigidity and characteristics of mode；First upper suspension arm bracket 4a of subframe 1,
Two upper suspension arm bracket 4b, the first prenex control arm mounting bracket 5a, the second prenex control arm mounting bracket 5b, the first lower control
Arm mounting bracket 6a, the second lower control arm mounting bracket 6b are dual-support structure, to improve the stiffness and strength of tie point.
First upper suspension arm bracket 4a, the second upper suspension arm bracket 4b are in the first prenex control arm installation branch on subframe 1
The surface of frame 5a, the second prenex control arm mounting bracket 5b, and the two interconnects, which can reinforce mutual rigidity
And intensity.
1 front beam 9 of subframe and the first upper suspension arm bracket 4a, the second upper suspension arm bracket 4b and the first prenex control arm
Mounting bracket 5a, the second toe-in control arm mounting bracket 5b are concordant in front-rear direction, to promote upper suspension arm bracket and preceding beam control
The lateral stiffness of bracket processed.
1 front beam of subframe, 9 lower surface inner cavity is provided with twice the first reinforcing rib 13a, and upper surface inner cavity is provided with twice
Second reinforcing rib 13b, the above reinforcing rib extend in left-right direction, and thickness is about 5mm, and height is about 20mm, for reinforcing preceding cross
The lateral stiffness and intensity of beam；Another end curved surface of the 1 rear cross beam inner opposite end curved surface 18d of subframe and rear cross beam inside
18e beam upper and lower surfaces, for promoting the stiffness and strength of rear cross beam up and down direction；The prenex control arm support of subframe 1
5a, 5b lower inner surface are symmetrically arranged with reinforcing rib 13d, which is about 7mm, parallel with toe-in control arm support,
For promoting the lateral stiffness and intensity of prenex control arm support；Before the prenex control arm mounting bracket 5a of subframe 1 first, second
Beam control arm mounting bracket 5b lower external face has been arranged symmetrically the 5th reinforcing rib 13e, the 6th reinforcing rib 13f, the 5th reinforcing rib
13e, the 6th reinforcing rib 13f and toe-in control arm support are concordant in front-rear direction, and extend inwardly in left-right direction, to be promoted
Toe-in control arm support lateral stiffness and intensity.
The design of subframe 1 described in the utility model has following feature, to meet casting technique demand: the subframe 1
The first riser 14a, the second riser 14b, third riser 14c, the 4th riser 14d and the 5th is provided on the die parting line A of front side to emit
Mouth 14e；The subframe 1 be provided on rear side die parting line B the 6th riser 14h, the 7th riser 14i, the 8th riser 14j,
9th riser 14k and the tenth riser 14l；The subframe 1 is provided with the 11st riser 14o, the tenth on the die parting line C of left side
Two riser 14p and the 13rd riser 14g；The subframe 1 is provided with the 14th riser 14f, the tenth on the die parting line D of right side
Five riser 14m and the 16th riser 14n；The above riser is evenly arranged on upper and lower mould die parting line, and in casting, molten aluminum is along liter liquid
Pipe, runner are steadily filled in mould cavity from the above riser position, and after molten aluminum solidification shrinkage, the above riser can also be peripheral portion
Position provides feeding, prevents the generation of casting flaw.
Subframe 1 has been arranged symmetrically the first Feeding channel 16a in rear cross beam inner surface, which pacifies in the first lower control arm
It fills right above bracket 6a and the second lower control arm mounting bracket 6b, molten aluminum is logical from the 7th riser 14i (the 9th riser 14k) when casting
It crosses the first Feeding channel 16a and provides feeding for the big position of thickness of lower control arm bracket；Subframe 1 is in first boss 7a, second convex
Platform 7b inner surface is provided with the second Feeding channel 16b, third Feeding channel 16c, and molten aluminum is from the 12nd riser 14p (when casting
15 riser 14m), the second riser 14b (the 4th riser 14d) by the second Feeding channel 16b, third Feeding channel 16c be the
The big position offer feeding of thickness of one boss 7a, second boss 7b；Length is arranged on die parting line E on rear side of the middle part of front beam 9 in subframe 1
Round fabrication hole 15k, 15l, the round fabrication hole 15m of setting first, the second round work on die parting line B on rear side of the middle part of rear cross beam 10
Third circle fabrication hole 15b, the 4th round fabrication hole 15c is arranged, in rear cross beam in skill hole 15n on 9 both ends upper surface of front beam
The round fabrication hole 15e of setting the 5th, the 6th round fabrication hole 15h on 10 both ends upper surface, on 10 middle part upper surface of rear cross beam
7th oblong fabrication hole 15f, the 8th oblong fabrication hole 15g are set, in the first bushing mounting holes 2a, the second bushing mounting holes
2b, third bushing mounting holes 2c, the 9th oblong fabrication hole 15a, the tenth oblong are set on the 4th bushing mounting holes 2d inner wall
Fabrication hole 15d, the 11st oblong fabrication hole 15i, the 12nd oblong fabrication hole 15j, process above hole, which can ensure, to be cast
When sand core fix, support firm, while being convenient to clean broken sand after casting；1 first upper suspension arm bracket 4a of subframe, it controls on second
Arm support 4b processed, the first prenex control arm mounting bracket 5a, the second toe-in control arm mounting bracket 5b are connect with left and right front boom
Position 17 is designed to form to two sides draft, the position by sand mold side form.
First bushing mounting holes 2a of subframe 1 described in the utility model, the second bushing mounting holes 2b, the installation of third bushing
Hole 2c, the 4th bushing mounting holes 2d, the first bush hole 3a, the second bush hole 3b, third bush hole 3c, the 4th bush hole 3d,
One upper suspension arm bracket 4a, the second upper suspension arm bracket 4b, the first prenex control arm mounting bracket 5a, the second prenex control arm peace
Fill bracket 5b, the first lower control arm mounting bracket 6a, the second lower control arm mounting bracket 6b, first boss 7a, second boss 7b,
The features such as third boss 8, first positioning hole 12a, second location hole 12b, the first positioning convex platform 12c, the second positioning convex platform 12d are equal
It need to be realized by machining.Add to meet machine, the following feature of assembly technology Demand Design: subframe 1 is using " plane and two pits "
The mode machine of progress is reordered position, wherein being located at cantilever end close to the first bushing mounting holes 2a, the second bushing mounting holes 2b, third lining
Cover mounting hole 2c, the 4th bushing mounting holes 2d upper surface set by the 4th boss 11a, the 5th boss 11b, the 6th boss 11c and
7th boss 11d constitute " on one side " positioning datum, the first bushing mounting holes 2a, the second bushing mounting holes 2b male cone (strobilus masculinus) will by with
Make " two pins " positioning datum；Subframe 1 is equipped with first positioning hole 12a, second location hole 12b and the first positioning convex platform 12c, second
Positioning convex platform 12d, features above are located at cantilever end close to the first bushing mounting holes 2a, the second bushing mounting holes 2b, third lining
The lower surface position for covering mounting hole 2c, the 4th bushing mounting holes 2d, for rear suspension packing and chassis general assembly positioning；In addition, secondary
Vehicle frame 1 is with the connection mating surface and screw hole axis of the first lower control arm mounting bracket frame 6a, the second lower control arm mounting bracket 6b
On the basis of, connection mating surface and screw hole axis, the first toe-in to the first upper suspension arm bracket 4a, the second upper suspension arm bracket 4b
Control arm mounting bracket 5a, the connection mating surface of the second prenex control arm mounting bracket 5b and screw hole axis are revised, with
Reaching an organic plus feature four axis machining equipments progress machine can be used to add.
Claims (10)
1. a kind of integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle, which is characterized in that subframe (1) is hollow structure, and use is low
Press casting technique integrally formed；The subframe (1) is in " well " font profile, and quadrangle is cantilever design；The cantilever knot
Structure top is symmetrically provided with the first bushing mounting holes (2a), the second bushing mounting holes (2b), third bushing mounting holes (2c) and the 4th
Bushing mounting holes (2d)；Subframe (1) front beam (9) front suspension cloth is equipped with bracket, the first bush hole (3a) and
Two bush holes (3b)；Run through in the middle part of subframe (1) rear cross beam (10) and is disposed with third bush hole (3c) and the 4th bushing
Hole (3d)；The subframe (1) has been arranged symmetrically the first upper suspension arm bracket (4a) and second in (9) two upper side of front beam
Upper suspension arm bracket (4b)；The subframe (1) has been arranged symmetrically the first prenex control arm peace in front beam (9) down either side
Fill bracket (5a) and the second prenex control arm mounting bracket (5b)；It is controlled on the first upper suspension arm bracket (4a) and second
Arm support (4b) is in the surface of the first prenex control arm mounting bracket (5a) and the second prenex control arm mounting bracket (5b)；Institute
Subframe (1) rear cross beam (10) lower part stated has been arranged symmetrically the first lower control arm mounting bracket (6a) and the second lower control arm peace
It fills bracket (6b)；(9) two upper lateral part of subframe (1) front beam has been arranged symmetrically first boss (7a) and second boss
(7b)；Left side is provided with third boss (8) in the middle part of the subframe (1)；Described subframe (1) the front beam middle lower surface
(18a) is upper arch shape；The left stringer middle lower surface (18b) of the subframe (1) is upper arch shape；The subframe
(1) right vertical beam middle lower surface (18c) is upper arch shape；Subframe (1) the rear cross beam inner opposite end outer surface (18d) is
Concave shape；Other end outer surface (18e) is concave shape on the inside of described subframe (1) rear cross beam；The subframe (1)
Front beam (9) lower surface inner cavity is provided with the first reinforcing rib of twice (13a), and upper surface inner cavity is provided with the second reinforcing rib of twice
(13b)；Another end curved surface (18e) inner cavity pair on the inside of described subframe (1) the rear cross beam inner opposite end curved surface (18d) and rear cross beam
Title is disposed with twice third reinforcing rib (13c)；The prenex control arm mounting bracket (5a) of described first and the second prenex control arm
Mounting bracket (5b) lower inner surface is symmetrically arranged with the 4th reinforcing rib (13d), and with the first prenex control arm mounting bracket
(5a) is parallel with second prenex control arm mounting bracket (5b)；Before the prenex control arm mounting bracket (5a) of described first and second
Beam control arm mounting bracket (5b) lower external face has been arranged symmetrically the 5th reinforcing rib (13e) and the 6th reinforcing rib (13f)；It is described
Cantilever design close to the first bushing mounting holes (2a), the second bushing mounting holes (2b), third bushing mounting holes (2c) and the
The upper surface of the end of four bushing mounting holes (2d) is provided with the 4th boss (11a), the 5th boss (11b), the 6th boss (11c)
With the 7th boss (11d)；The cantilever design close to the first bushing mounting holes (2a), the second bushing mounting holes (2b), the
The lower surface of the end of three bushing mounting holes (2c) and the 4th bushing mounting holes (2d) is provided with first positioning hole (12a), second
Location hole (12b), the first positioning convex platform (12c) and the second positioning convex platform (12d)；The first upper suspension arm bracket (4a),
Second upper suspension arm bracket (4b), the first prenex control arm mounting bracket (5a), the second prenex control arm mounting bracket (5b) with
Left and right front boom connecting portion (17) is to two sides draft.
2. the integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle of one kind according to claim 1, which is characterized in that described is upper
The round bolt installation for connecting upper suspension arm is provided in control arm support (4a) and the second upper suspension arm bracket (4b)
Hole.
3. the integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle of one kind according to claim 1, which is characterized in that described
It offers on one prenex control arm mounting bracket (5a) and the second prenex control arm mounting bracket (5b) for connecting prenex control
The round bolt mounting holes of arm.
4. the integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle of one kind according to claim 1, which is characterized in that described
The square for connecting lower control arm is provided in one lower control arm mounting bracket (6a) and the second lower control arm mounting bracket (6b)
The card slot and slotted hole of tee section.
5. the integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle of one kind according to claim 1, which is characterized in that described
Two threaded holes for being used to support and installing stabilizer bar bushing and cover board are each provided in one boss (7a) and second boss (7b)；
There are the threaded hole for mounting height sensor and the claw for mounting height sensor stand on the third boss (8)
Limiting slot.
6. the integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle of one kind according to claim 1, which is characterized in that after described
Crossbeam (10) lower part is gradually increased in section from the middle to both ends.
7. the integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle of one kind according to claim 1, which is characterized in that described
One reinforcing rib (13a), the second reinforcing rib (13b) with a thickness of 5mm, be highly 20mm；The thickness of the third reinforcing rib (13c)
Degree is 7mm；4th reinforcing rib (13d) with a thickness of 7mm.
8. the integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle of one kind according to claim 1, which is characterized in that the pair
Vehicle frame (1) is provided with the first riser (14a) on the die parting line A of front side, the second riser (14b), third riser (14c), the 4th emits
Mouth (14d) and the 5th riser (14e)；The subframe (1) is provided with the 6th riser (14h), the 7th on rear side die parting line B
Riser (14i), the 8th riser (14j), the 9th riser (14k) and the tenth riser (14l)；The subframe (1) is in left side point
The 11st riser (14o), the 12nd riser (14p) and the 13rd riser (14g) are provided on loft C；The subframe (1)
The 14th riser (14f), the 15th riser (14m) and the 16th riser (14n) are provided on the die parting line D of right side.
9. the integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle of one kind according to claim 1, which is characterized in that the pair
Vehicle frame (1) has been arranged symmetrically the first Feeding channel (16a) in rear cross beam (10) inner surface, and the first Feeding channel (16a) is first
Right above lower control arm mounting bracket (6a) and the second lower control arm mounting bracket (6b)；The subframe (1) is convex first
Platform (7a) and second boss (7b) inner surface are provided with the second Feeding channel (16b) and third Feeding channel (16c).
10. the integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle of one kind according to claim 1, which is characterized in that described
The first oblong fabrication hole (15k) and the second oblong work is arranged on the rear side die parting line E of front beam (9) middle part in subframe (1)
Skill hole (15l)；The subframe (1) round fabrication hole (15m) of setting first on the rear side die parting line B of rear cross beam (10) middle part
With the second round fabrication hole (15n)；Third circle technique is arranged in the subframe (1) on front beam (9) both ends upper surface
Hole (15b) and the 4th round fabrication hole (15c)；The subframe (1) is arranged the 5th on rear cross beam (10) both ends upper surface
Round fabrication hole (15e) and the 6th round fabrication hole (15h)；The subframe (1) is on the upper surface of rear cross beam (10) middle part
7th oblong fabrication hole (15f) and the 8th oblong fabrication hole (15g) are set；Described the first bushing mounting holes (2a) inner wall
The 9th oblong fabrication hole (15a) of upper setting；Tenth oblong technique is set on described the second bushing mounting holes (2b) inner wall
Hole (15d)；11st oblong fabrication hole (15i) is set on described third bushing mounting holes (2c) inner wall；Described the 4th
12nd oblong fabrication hole (15j) is set on bushing mounting holes (2d) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822088740.1U CN209553307U (en) | 2018-12-13 | 2018-12-13 | A kind of integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822088740.1U CN209553307U (en) | 2018-12-13 | 2018-12-13 | A kind of integrally formed hollow cast aluminium 4 wheel driven Rear secondary frame for vehicle |
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| Publication Number | Publication Date |
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| CN209553307U true CN209553307U (en) | 2019-10-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734021A (en) * | 2021-12-22 | 2022-07-12 | 佛山市南海奔达模具有限公司 | Aluminum alloy hollow auxiliary frame casting structure |
| IT202200011171A1 (en) * | 2022-05-27 | 2023-11-27 | Ferrari Spa | METHOD FOR MAKING AN INTERNALLY HOLLOW COMPONENT OF A ROAD VEHICLE FRAME BY CASTING |
-
2018
- 2018-12-13 CN CN201822088740.1U patent/CN209553307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734021A (en) * | 2021-12-22 | 2022-07-12 | 佛山市南海奔达模具有限公司 | Aluminum alloy hollow auxiliary frame casting structure |
| IT202200011171A1 (en) * | 2022-05-27 | 2023-11-27 | Ferrari Spa | METHOD FOR MAKING AN INTERNALLY HOLLOW COMPONENT OF A ROAD VEHICLE FRAME BY CASTING |
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