CN106274329A - A kind of leaf spring front support seat mounting assembly - Google Patents

A kind of leaf spring front support seat mounting assembly Download PDF

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Publication number
CN106274329A
CN106274329A CN201510322876.2A CN201510322876A CN106274329A CN 106274329 A CN106274329 A CN 106274329A CN 201510322876 A CN201510322876 A CN 201510322876A CN 106274329 A CN106274329 A CN 106274329A
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China
Prior art keywords
leaf spring
front support
support seat
spring front
girder
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CN201510322876.2A
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Chinese (zh)
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CN106274329B (en
Inventor
侯明亮
杨回
许冰
唐春柳
欧阳洋
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SAIC GM Wuling Automobile Co Ltd
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SAIC GM Wuling Automobile Co Ltd
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Priority to CN201510322876.2A priority Critical patent/CN106274329B/en
Publication of CN106274329A publication Critical patent/CN106274329A/en
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Abstract

The open a kind of leaf spring front support seat mounting assembly of the present invention, including the U-girder between being arranged at the leaf spring front support seat of the bottom of car left and right sides and being connected and fixed on inside two described leaf spring front support seats, the described top of leaf spring front support seat is fixed with the crossbeam of bottom of car, described U-girder top surface is fixed with floor, described U-girder end is fixed with described leaf spring front support seat, the outside of described leaf spring front support seat is overlapped with automotive C column door sill area by fagging outside U-shaped, described leaf spring front support seat, outside described U-shaped, fagging and described C-pillar region territory form closed cavity.One leaf spring front support seat mounting assembly simple in construction of the present invention, power transmission are unobstructed rapidly, and dispersion range is wide, intensity is high, part does not ftractures, floor is unlikely to deform in road examination, can effectively eliminate local mode, improves rigidity and the intensity of integral plate spring front support seat.

Description

A kind of leaf spring front support seat mounting assembly
Technical field
The present invention relates to a kind of mounting assembly, particularly relate to a kind of leaf spring front support seat mounting assembly.
Background technology
Leaf spring front support holder structure is that leaf spring rear-mounted must have mounting structure, and its major function is: 1. Connecting vehicle frame and chassis rear-mounted, provide mount point for chassis rear-mounted;2. the power that chassis transmission comes is divided It is scattered to the regions such as crossbeam 3, crossbeam, floor 4, gusset.
At present, common leaf spring front support holder structure is as it is shown in figure 1, be primarily present problems with:
1. leaf spring front support seat 1 is connected with C post by outside fagging, and for single plate structure, power transmission is not smooth, Structural strength is poor, easily occurs that part problem of Cracking is tried on road;
2. left/right leaf spring front support seat 1 is connected by pipe beam, pipe beam with floor 4 without being connected, plate What before spring, at bearing 1, stress can not be good is distributed to floor 4, and floor 4 insufficient rigidity is yielding;
3. at leaf spring front support seat 1 mount point, Y-direction lacks effectively support, causes leaf spring mount point Y-direction dynamic stiffness is not enough, running out the way problem easily occurs.
Summary of the invention
The present invention completes to solve deficiency of the prior art, it is an object of the invention to provide one Simple in construction, power transmission are unobstructed rapidly, and dispersion range is wide, intensity is high, part does not ftractures, floor is difficult in road examination Deformation, can effectively eliminate local mode, before improving the rigidity of integral plate spring front support seat and the leaf spring of intensity Support seat mounting assembly.
A kind of leaf spring front support seat mounting assembly of the present invention, including being arranged at the bottom of car left and right sides Leaf spring front support seat and the U-girder between being connected and fixed on inside two described leaf spring front support seats, institute The crossbeam at the top and bottom of car of stating leaf spring front support seat is fixed, described U-girder top surface and floor Fixing, described U-girder end is fixed with described leaf spring front support seat, outside described leaf spring front support seat Side is overlapped with automotive C column door sill area by fagging outside U-shaped, described leaf spring front support seat, described U Outside shape, fagging and described C-pillar region territory form closed cavity.
A kind of leaf spring front support seat mounting assembly of the present invention it may also is that
It is connected by crossbeam extension is fixing between described U-girder with described leaf spring front support seat, described Crossbeam extension one end and described U-girder are fixing to be connected, the other end of described crossbeam extension and Described leaf spring front support seat is fixing to be connected.
Described crossbeam extension is 160-170mm along the height that Y-direction extends.
Described crossbeam extension is L-shaped, and the horizontal segment of described crossbeam extension overlaps with described U-girder, Vertical section after described crossbeam extension bending is fixing with the medial surface of described leaf spring front support seat to be connected.
Being provided with arc-shaped transition body between horizontal segment and the vertical section of described crossbeam extension, described crossbeam prolongs The horizontal segment cross section stretching part is U-shaped, described crossbeam extension horizontal segment cross sectional shape and described U-girder End cross-sectional shape and size are corresponding.
The vertical section lateral surface of described crossbeam extension is plane, described vertical section lateral surface and described leaf spring The medial surface of front support seat is fixing to be connected.
Upwardly extend inside and outside described leaf spring front support seat and be provided with ennation, described ennation interior Side is fixing with the lateral surface of described crossbeam to be connected, and the vertical section lateral surface of described crossbeam extension is with described The ennation that the inner side of leaf spring front support seat is arranged is fixing to be connected.
Described U-girder end is provided with the crossbeam flange of horizontal bending, described U-girder by with institute The described crossbeam flange stating floor fixing is fixed with described floor, between described U-girder and described floor Form closed overlap joint.
The opening of described U-shaped external support board towards described C post door sill area, described U-shaped external support board Bottom overlaps with the lateral surface of described leaf spring front support seat.
Outside described U-shaped, fagging top open part arranges the fagging flange of horizontal bending, described fagging flange Fix with described C post door sill area and be connected.
A kind of leaf spring front support seat mounting assembly of the present invention, including being arranged at about described bottom of car two The leaf spring front support seat of side and the U-shaped between being connected and fixed on inside two described leaf spring front support seats are horizontal Beam, the described top of leaf spring front support seat fixes with the crossbeam of bottom of car, described U-girder top surface Fixing with floor, described U-girder end is fixed with described leaf spring front support seat, described leaf spring front support The outside of seat is overlapped with automotive C column door sill area by fagging outside U-shaped, described leaf spring front support seat, Outside described U-shaped, fagging and described C-pillar region territory form closed cavity.So, before the leaf spring of the left and right sides Support and connected by U-girder between seat, and U-girder top surface is fixed with floor, two such Leaf spring front support seat is fixed with floor indirectly, owing to floor area is bigger, is therefore transferred to floor in power Time, chassis forces transmission scope is wide, and dispersion rapidly and can be effectively improved the whole of leaf spring front support seat region Body bonding strength, the problem solving part cracking, the most also improves car load torsional rigidity, improves floor firm Degree eliminates local mode.Additionally the outside of leaf spring front support seat is by fagging outside U-shaped and C post Threshold Region Territory overlaps, and forms closed cavity in this region, improves the entirety in leaf spring front support seat region further Bonding strength, it is simple to the transmission of chassis forces and dispersion.Relative to the advantage of prior art it is: simple in construction, Power transmission is unobstructed rapidly, and dispersion range is wide, intensity is high, part does not ftractures, floor is unlikely to deform, permissible in road examination Effectively eliminate local mode, improve rigidity and the intensity of integral plate spring front support seat.
Accompanying drawing explanation
Fig. 1 prior art leaf spring front support seat scheme of installation.
Fig. 2 one of the present invention leaf spring front support seat mounting assembly scheme of installation.
Fig. 3 one of the present invention leaf spring front support seat mounting assembly upward view.
Section A-A figure in Fig. 4 one of the present invention leaf spring front support seat mounting assembly Fig. 3.
The transmission of Fig. 5 one of the present invention leaf spring front support seat mounting assembly chassis forces and dispersion pathway figure.
Figure number explanation
1 ... leaf spring front support seat 2 ... U-girder 3 ... crossbeam
4 ... floor 5 ... C post door sill area 6 ... fagging outside U-shaped
7 ... crossbeam extension 8 ... arc-shaped transition body 9 ... ennation
10 ... crossbeam flange 11 ... fagging flange
Detailed description of the invention
Fig. 2 to Fig. 5 below in conjunction with the accompanying drawings a kind of leaf spring front support seat mounting assembly of the present invention is made into One step describes in detail.
A kind of leaf spring front support seat mounting assembly of the present invention, refer to Fig. 2 to Fig. 5, including being arranged at The leaf spring front support seat 1 of the bottom of car left and right sides and be connected and fixed on two described leaf spring front support seats 1 U-girder 2 between Nei Ce, the top of described leaf spring front support seat 1 is solid with the crossbeam 3 of bottom of car Fixed, described U-girder 2 top surface is fixed with floor 4, described U-girder 2 end and described leaf spring Front support seat 1 is fixed, and the outside of described leaf spring front support seat 1 is by fagging outside U-shaped 6 and automobile C Post door sill area 5 overlaps, fagging 6 and described C post outside described leaf spring front support seat 1, described U-shaped Region forms closed cavity.So, by U-girder 2 between the leaf spring front support seat 1 of the left and right sides Connecting, and U-girder 2 top surface is fixed with floor 4, two such leaf spring front support seat 1 is indirect Fix with floor 4, owing to floor 4 Area comparison is big, therefore when power is transferred to floor 4, chassis forces Transmission scope is wide, and rapidly and can be effectively improved the integrated connection in leaf spring front support seat 1 region strong in dispersion Degree, the problem solving part cracking, the most also improves car load torsional rigidity, improves floor 4 rigidity and eliminate Local mode.Additionally the outside of leaf spring front support seat 1 is by fagging outside U-shaped 6 and C post door sill area 5 overlap joints, and closed cavity is formed in this region, improve the whole of leaf spring front support seat 1 region further Body bonding strength, it is simple to the transmission of chassis forces and dispersion.Simultaneously because between U-girder 2 and floor 4 Closed cavity, contact area is bigger between the two, and transmission chassis forces is convenient.Relative to existing skill The advantage of art is: simple in construction, power transmission are unobstructed rapidly, and dispersion range is wide, intensity is high, road examination part is not opened Split, floor 4 is unlikely to deform, and can effectively eliminate local mode, improves the firm of integral plate spring front support seat 1 Degree and intensity.
A kind of leaf spring front support seat mounting assembly of the present invention, refer to Fig. 2 to Fig. 5, previously mentioned Technical scheme on the basis of it may also is that between described U-girder 2 and described leaf spring front support seat 1 Connecting by crossbeam extension 7 is fixing, described crossbeam extension 7 one end is solid with described U-girder 2 Fixed connection, the other end of described crossbeam extension 7 is fixing with described leaf spring front support seat 1 to be connected.This Sample, the overall top surface of U-girder 2 is fixing with floor 4 to be connected, and crossbeam extension 7 is then horizontal by U-shaped Beam 2 and leaf spring front support seat 1 are fixedly connected with, and complete transmission and the dispersion of chassis forces.So crossbeam Extension 7 and U-girder 2 can be separately fabricated, and preparation is more prone to, and cost is lower, and uses In time, overlap fixing by both, then fixes with leaf spring front support seat 1.Further preferred technical side Case be described crossbeam extension 7 be 160-170mm along the height that Y-direction extends.Further preferred technology Scheme be described crossbeam extension 7 be 166mm along the height that Y-direction extends.This height can ensure that welding can Row, and provide enough Y-directions to support for leaf spring front support seat 1.
A kind of leaf spring front support seat mounting assembly of the present invention, refer to Fig. 2 to Fig. 5, previously mentioned Technical scheme on the basis of it may also is that described crossbeam extension 7 is L-shaped, described crossbeam extension The horizontal segment of 7 overlaps with described U-girder 2, the vertical section after the bending of described crossbeam extension 7 and institute State the fixing connection of medial surface of leaf spring front support seat 1.Owing to U-girder 2 is horizontally set on floor 4 times Side, and leaf spring front support seat 1 is for being vertically arranged in below floor 4, therefore both directions are the most vertical. But there is certain distance the position of leaf spring front support seat 1 and position, floor 4, therefore arrange crossbeam extension 7 by U-girder 2 and the fixing connection of leaf spring front support seat 1, and then by leaf spring front support seat 1 and floor 4 are indirectly connected with together, facilitate each part manufacture to process simultaneously.And the crossbeam extension 7 of L-shaped can It is effectively ensured by fixing even to horizontally disposed U-girder 2 and the leaf spring front support seat 1 being vertically arranged Connect, facilitate transmission and the dispersion of chassis forces.Ensure rigidity and the connection in leaf spring front support seat 1 region simultaneously Intensity, improves car load torsional rigidity, improves floor 4 rigidity and eliminates local mode.Crossbeam extension simultaneously 7 provide Y-direction to support for leaf spring front support seat 1, improve leaf spring front support seat 1Y to dynamic stiffness.Enter one Walking preferred technical scheme is: be provided with arc between horizontal segment and the vertical section of described crossbeam extension 7 Transition body 8, the horizontal segment cross section of described crossbeam extension 7 is U-shaped, described crossbeam extension 7 level Section cross sectional shape is corresponding with described U-girder 2 end cross-sectional shape and size.The work of arc-shaped transition body 8 With being to avoid horizontal segment and vertical section to deform in power transmittance process, improve car load bonding strength simultaneously, and And owing to the horizontal segment interface of crossbeam extension 7 is U-shaped, and its end fixed thereto with U-girder 2 Portion's section shape and size is corresponding, outside therefore the horizontal segment of crossbeam extension 7 be located in U-girder 2 also Increase the fixed-area with U-girder 2 as far as possible, expand transmission and the dispersion area of chassis forces as far as possible Territory.Further preferably technical scheme be the vertical section lateral surface of described crossbeam extension 7 be plane, Described vertical section lateral surface is fixing with the medial surface of described leaf spring front support seat 1 to be connected.So, plane The medial surface of the vertical section of crossbeam extension 7 and leaf spring front support seat 1 is fixed, and both contact for face and consolidate Fixed, therefore fixed-area maximizes, and effectively disperses chassis forces.
A kind of leaf spring front support seat mounting assembly of the present invention, refer to Fig. 2 to Fig. 5, previously mentioned Technical scheme on the basis of it may also is that upwardly extend inside and outside described leaf spring front support seat 1 and set Being equipped with ennation 9, the medial surface of described ennation 9 is fixing with the lateral surface of described crossbeam 3 to be connected, institute The ennation that the inner side of the vertical section lateral surface and described leaf spring front support seat 1 of stating crossbeam extension 7 is arranged 9 fixing connections.So leaf spring front support seat 1 itself is fixing with crossbeam 3 is connected, and is prolonged by crossbeam simultaneously Stretch part 7 to fix with crossbeam 3 and U-girder 2, fixing more firm, improve car load torsional strength and whole Body bonding strength.
A kind of leaf spring front support seat mounting assembly of the present invention, refer to Fig. 2 to Fig. 5, previously mentioned Technical scheme on the basis of it may also is that described U-girder 2 end is provided with the crossbeam of horizontal bending Flange 10, described U-girder 2 by with the fixing described crossbeam flange 10 in described floor 4 with described Floor 4 is fixed, and forms closed overlap joint between described U-girder 2 and described floor 4.Crossbeam flange 10 fixed-areas that can expand U-girder 2 and floor 4 as far as possible, disperse chassis forces, it is to avoid should Power is concentrated.And form closed overlap joint between U-girder 2 and described floor 4 and make chassis forces along closing The transmission of the faying surface transmission of formula overlap joint, beneficially chassis forces and dispersion.Can also is that and prop up outside described U-shaped The opening of fagging is towards described C post door sill area 5, the bottom of described U-shaped external support board and described leaf spring The lateral surface overlap joint of front support seat 1.The closed area near C post so formed, can be effectively improved The rigidity of leaf spring front support seat 1 and integrated connection intensity.Can also is that fagging 6 top outside described U-shaped Opening part arranges the fagging flange 11 of horizontal bending, described fagging flange 11 and described C post door sill area 5 fixing connections.The active area of fagging flange 11 is bigger, and fixing more firm and chassis forces is transmitted More rapidly and scope is wide.
Above-mentioned only several specific embodiments in the present invention are illustrated, but can not be as the present invention's Protection domain, every according to the equivalence change done by the design spirit in the present invention or modification or equal proportion Zoom in or out, be all deemed to fall protection scope of the present invention.

Claims (10)

1. a leaf spring front support seat mounting assembly, it is characterised in that: include being arranged at bottom of car left The leaf spring front support seat of right both sides and the U between being connected and fixed on inside two described leaf spring front support seats Shape crossbeam, the described top of leaf spring front support seat fixes with the crossbeam of bottom of car, described U-girder top Surface is fixed with floor, and described U-girder end is fixed, before described leaf spring with described leaf spring front support seat The outside supporting seat is overlapped with automotive C column door sill area by fagging outside U-shaped, described leaf spring front support Outside seat, described U-shaped, fagging and described C-pillar region territory form closed cavity.
A kind of leaf spring front support seat mounting assembly the most according to claim 1, it is characterised in that: It is connected by crossbeam extension is fixing between described U-girder with described leaf spring front support seat, described crossbeam Extension one end is fixing with described U-girder to be connected, and the other end of described crossbeam extension is with described Leaf spring front support seat is fixing to be connected.
A kind of leaf spring front support seat mounting assembly the most according to claim 2, it is characterised in that: Described crossbeam extension is 160-170mm along the height that Y-direction extends.
A kind of leaf spring front support seat mounting assembly the most according to claim 2, it is characterised in that: Described crossbeam extension is L-shaped, and the horizontal segment of described crossbeam extension overlaps with described U-girder, institute State that the medial surface of the vertical section after crossbeam extension bending and described leaf spring front support seat is fixing to be connected.
A kind of leaf spring front support seat mounting assembly the most according to claim 4, it is characterised in that: It is provided with arc-shaped transition body, described crossbeam extension between horizontal segment and the vertical section of described crossbeam extension Horizontal segment cross section be U-shaped, described crossbeam extension horizontal segment cross sectional shape and described U-girder end Section shape and size is corresponding.
A kind of leaf spring front support seat mounting assembly the most according to claim 5, it is characterised in that: The vertical section lateral surface of described crossbeam extension is plane, props up before described vertical section lateral surface and described leaf spring The medial surface of support seat is fixing to be connected.
A kind of leaf spring front support seat mounting assembly the most according to claim 4, it is characterised in that: Upwardly extend inside and outside described leaf spring front support seat and be provided with ennation, the medial surface of described ennation Fix with the lateral surface of described crossbeam and be connected, the vertical section lateral surface of described crossbeam extension and described leaf spring The ennation that the inner side of front support seat is arranged is fixing to be connected.
8. pacify according to a kind of leaf spring front support seat described in any one claim of claim 1 to 7 Arrangement, it is characterised in that: described U-girder end is provided with the crossbeam flange of horizontal bending, described U-girder is fixed with described floor by the described crossbeam flange fixing with described floor, and described U-shaped is horizontal Closed overlap joint is formed between beam and described floor.
9. pacify according to a kind of leaf spring front support seat described in any one claim of claim 1 to 7 Arrangement, it is characterised in that: the opening of described U-shaped external support board is towards described C post door sill area, institute State the bottom of U-shaped external support board and the lateral surface overlap joint of described leaf spring front support seat.
10. pacify according to a kind of leaf spring front support seat described in any one claim of claim 1 to 7 Arrangement, it is characterised in that: outside described U-shaped, fagging top open part arranges the fagging of horizontal bending and turns over Limit, described fagging flange is fixing with described C post door sill area to be connected.
CN201510322876.2A 2015-06-12 2015-06-12 A kind of leaf spring front support seat mounting assembly Active CN106274329B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114906229A (en) * 2022-06-07 2022-08-16 浙江吉利控股集团有限公司 Lower vehicle body structure and vehicle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101695945A (en) * 2009-10-16 2010-04-21 重庆长安汽车股份有限公司 Sedan steering support assembly
CN102060050A (en) * 2009-11-17 2011-05-18 北汽福田汽车股份有限公司 Vehicle frame and vehicle frame structure
CN202685823U (en) * 2012-06-19 2013-01-23 北汽福田汽车股份有限公司 Plate spring fixed end support and installation structure thereof
CN203306124U (en) * 2013-07-04 2013-11-27 宁波跃进汽车前桥有限公司 Cab rear supporting mechanism with stamping and welding structure
CN204895014U (en) * 2015-06-12 2015-12-23 上汽通用五菱汽车股份有限公司 Supporting seat installation component before leaf spring

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101695945A (en) * 2009-10-16 2010-04-21 重庆长安汽车股份有限公司 Sedan steering support assembly
CN102060050A (en) * 2009-11-17 2011-05-18 北汽福田汽车股份有限公司 Vehicle frame and vehicle frame structure
CN202685823U (en) * 2012-06-19 2013-01-23 北汽福田汽车股份有限公司 Plate spring fixed end support and installation structure thereof
CN203306124U (en) * 2013-07-04 2013-11-27 宁波跃进汽车前桥有限公司 Cab rear supporting mechanism with stamping and welding structure
CN204895014U (en) * 2015-06-12 2015-12-23 上汽通用五菱汽车股份有限公司 Supporting seat installation component before leaf spring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114906229A (en) * 2022-06-07 2022-08-16 浙江吉利控股集团有限公司 Lower vehicle body structure and vehicle
CN114906229B (en) * 2022-06-07 2023-07-11 浙江吉利控股集团有限公司 Lower car body structure and vehicle

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