CN205097829U - Rear -guard electric motor car bears formula rear axle device - Google Patents

Rear -guard electric motor car bears formula rear axle device Download PDF

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Publication number
CN205097829U
CN205097829U CN201520873523.7U CN201520873523U CN205097829U CN 205097829 U CN205097829 U CN 205097829U CN 201520873523 U CN201520873523 U CN 201520873523U CN 205097829 U CN205097829 U CN 205097829U
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CN
China
Prior art keywords
rear axle
mounting hole
connecting panel
central siphon
leaf spring
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Withdrawn - After Issue
Application number
CN201520873523.7U
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Chinese (zh)
Inventor
吴建伟
张红
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BAIC Yinxiang Automobile Co Ltd
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BAIC Yinxiang Automobile Co Ltd
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Priority to CN201520873523.7U priority Critical patent/CN205097829U/en
Application granted granted Critical
Publication of CN205097829U publication Critical patent/CN205097829U/en
Withdrawn - After Issue legal-status Critical Current
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  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The utility model discloses a rear -guard electric motor car bears formula rear axle device, they are the bracket including about back central siphon and fixed these back central siphon both ends, and the bracket was by the integrative casting shaping of cast steel about should to integrated respectively on this left and right sides bracket have hub unit mounting hole, rear steel plate spring to install face, back shock attenuation mounting hole, wherein, and two wheel axis on the hub unit mounting hole with the hollow shaft line of back central siphon parallels and is in hollow shaft line the place ahead of this back central siphon about linked firmly respectively on the bracket with rear steel plate spring installation facial features to and can with a back buffer block spacing in back buffer block limiting plate on the rear steel plate spring of rear steel plate spring installation face. The utility model discloses a solve the problem that the conventional rear axle of the rearmounted rear -guard electric motor car of motor can't be arranged, when realizing satisfying hub unit, rear steel plate spring buffering and spacing, back shock attenuation assembly function, realized to dodge out the performance of motor bearing the weight of rear axle weight and while, integrated the degree height.

Description

A kind of rear-guard battery-driven car bearing-type rear axle
Technical field
The utility model relates to a kind of rear-guard battery-driven car bearing-type rear axle, belongs to car chassis assembly technique field.
Background technology
The rear-guard pure electric vehicle of current routine, particularly longitudinal steel plate spring type rear suspension, motor is all longitudinal layout, back axle is as good as with conventional drive axle, play a part carrying and transmission, but this arrangement makes cannot effectively utilize space to arrange more battery after layout motor and transmission shaft, makes car load course continuation mileage not enough.In order to more battery is arranged in the space reserved between antero posterior axis, the general plan of establishment is exactly that motor arrangement is on rear suspension, but space arranges that demand back axle central siphon can not be coaxial with core wheel, moment of torsion when this demand back axle not only bears stressed as traditional vehicle, also need to bear similar after turn round the same moment of torsion of beam, to sum up, need combine for conventional rear axle structure a kind of bearing-type rear axle for rear-guard battery-driven car newly of structure design turning round beam.
Summary of the invention
For above-mentioned weak point of the prior art, the utility model aims to provide a kind of rear-guard battery-driven car bearing-type rear axle, its structure is simple, novel in design, the problem that the conventional back axle of rear-guard battery-driven car solving motor postposition cannot be arranged, while realizing meeting hub, rear leaf spring buffering and spacing, rear damping assembling function, realize in the performance also dodging out motor in carrying rear axle weight simultaneously, integration degree is high.
To achieve these goals, the technical solution of the utility model: a kind of rear-guard battery-driven car bearing-type rear axle, its left and right bracket including rear axle tube and fix these rear axle tube two ends, this left and right bracket is shaping by cast steel integrally casting, and hub mounting hole is integrated with respectively on this left and right bracket, rear leaf spring attachment face, rear shock-absorbing mounting hole, wherein, wheel axis on hub mounting hole described in two parallels with the tubular axis line of described rear axle tube and is in the tubular axis line front of this rear axle tube, described left and right bracket is fixed with relative with described rear leaf spring attachment face and that a rear bump rubber can be limited in the rear leaf spring of described rear leaf spring attachment face rear bump rubber positioning plate respectively.
Further, described left and right bracket includes in rectangular triangle or the bottom of obtuse-angled triangle structure, and be vertical on a right angle of this rectangular triangle or obtuse-angled triangle structure or obtuse angle edge and for being connected mutually with described rear axle tube central siphon connecting panel, and to be located on aforementioned right angle or the right acute angle of obtuse angle edge and there is the wheel hub connecting panel of the hub mounting hole matched with hub, wherein, described central siphon connecting panel is provided with the flange with described rear axle tube Joint, this flange, described wheel hub single tube mounting hole is on two abate acute angle positions of described rectangular triangle or obtuse-angled triangle structure.
Further, described rear leaf spring attachment face, rear shock-absorbing mounting hole are laid on described bottom successively, and described rear bump rubber positioning plate is fixedly arranged on described wheel hub connecting panel top and relative with described rear leaf spring attachment face; Described rear shock-absorbing mounting hole matches with rear shock absorber.
Further, between described bottom and described central siphon connecting panel, outside described central siphon connecting panel and bottom and wheel hub connecting panel, between described wheel hub connecting panel and described bottom, be equipped with some reinforced ribs.
The beneficial effects of the utility model: structure is simple, novel in design, hub, rear leaf spring buffering and the assembling function of spacing and rear damping is integrated with by left and right bracket, the problem that the conventional back axle of rear-guard battery-driven car solving motor postposition cannot be arranged, while realizing meeting hub, rear leaf spring buffering and spacing, rear damping assembling function, Technology of Steel Castings is adopted to make left and right bracket, realize in the performance also dodging out motor in carrying rear axle weight simultaneously, integration degree is high.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Plan structure figure when Fig. 2 is the utility model assembling;
Fig. 3 is the perspective view of Fig. 2;
Fig. 4 is the structure for amplifying schematic diagram of right bracket in Fig. 1.
Detailed description of the invention
The utility model is further described below in conjunction with specific embodiment and accompanying drawing.
One rear-guard battery-driven car bearing-type rear axle as described in Fig. 1-Fig. 4, it includes rear axle tube 10 and fixes the left and right bracket 11 at these rear axle tube 10 two ends, 12, this left and right bracket 11, 12 is shaping by cast steel integrally casting, and at this left and right bracket 11, hub mounting hole 14 is integrated with respectively on 12, rear leaf spring attachment face 16, rear shock-absorbing mounting hole 18, wherein, wheel axis on two hub mounting holes 14 parallels with the tubular axis line of rear axle tube 10 and is in the tubular axis line front of this rear axle tube 10, at left and right bracket 11, rear bump rubber positioning plate 20 that is relative with rear leaf spring attachment face 16 and that a rear bump rubber 19 can be limited in the rear leaf spring 15 of rear leaf spring attachment face 16 is fixed with respectively on 12.
The utility model structure is simple, novel in design, hub, rear leaf spring buffering and the assembling function of spacing and rear damping is integrated with by left and right bracket 11,12, the problem that the conventional back axle of rear-guard battery-driven car solving motor postposition cannot be arranged, while realizing meeting hub, rear leaf spring buffering and spacing, rear damping assembling function, adopt Technology of Steel Castings to make left and right bracket, realize in the performance also dodging out motor in carrying rear axle weight simultaneously, integration degree is high.In order to dodge motor, wheel axis on two hub mounting holes 14 is paralleled with the tubular axis line of rear axle tube 10 and is in the tubular axis line front of this rear axle tube 10, make rear axle tube 10 and wheel not on an axis, designed by the abnormity of left and right bracket 11,12, meet back axle and connect left and right wheels, simultaneously because the load that rear axle is all is all loaded on bracket, cause bracket load weight, and bear moment of torsion, left and right bracket 11,12 is adopted cast steel die cast, optimize structure, to meet its user demand intensity.
Particularly, in detail as shown in Figure 4, left and right bracket 11, 12 include in rectangular triangle or the bottom 110 of obtuse-angled triangle structure, and be vertical on a right angle of this rectangular triangle or obtuse-angled triangle structure or obtuse angle edge and for being connected mutually with rear axle tube 10 central siphon connecting panel 112, and to be located on aforementioned right angle or the right acute angle of obtuse angle edge and there is the wheel hub connecting panel 111 of the hub mounting hole 14 matched with hub 13, wherein, central siphon connecting panel 112 is provided with the flange with rear axle tube 10 Joint, this flange, wheel hub single tube mounting hole 14 is on two abate acute angle positions of rectangular triangle or obtuse-angled triangle structure.In order to meet the working strength requirement of left and right bracket 11,12, between bottom 110 and central siphon connecting panel 112, outside central siphon connecting panel 112 and bottom 110 and wheel hub connecting panel 111, the non-working surface between wheel hub connecting panel 111 and bottom 110 is equipped with some reinforced ribs 113,114,115.And rear leaf spring attachment face 16, rear shock-absorbing mounting hole 18 are laid on bottom 110 successively, rear bump rubber positioning plate 20 is fixedly arranged on wheel hub connecting panel 111 top and relative with rear leaf spring attachment face 16; Rear shock-absorbing mounting hole 18 matches with rear shock absorber 17.
Above the technical scheme that the utility model embodiment provides is described in detail, apply specific case herein to set forth the principle of the utility model embodiment and embodiment, the explanation of above embodiment is only applicable to the principle helping to understand the utility model embodiment; Meanwhile, for one of ordinary skill in the art, according to the utility model embodiment, detailed description of the invention and field of application all will change, and in sum, this description should not be construed as restriction of the present utility model.

Claims (4)

1. a rear-guard battery-driven car bearing-type rear axle, it is characterized in that: include rear axle tube (10) and fix the left and right bracket (11 at this rear axle tube (10) two ends, 12), this left and right bracket (11, 12) shaping by cast steel integrally casting, and at this left and right bracket (11, 12) hub mounting hole (14) is integrated with on respectively, rear leaf spring attachment face (16), rear shock-absorbing mounting hole (18), wherein, wheel axis on hub mounting hole (14) described in two parallels with the tubular axis line of described rear axle tube (10) and is in the tubular axis line front of this rear axle tube (10), at described left and right bracket (11, 12) rear bump rubber positioning plate (20) that is relative with described rear leaf spring attachment face (16) and that a rear bump rubber (19) can be limited in the rear leaf spring (15) of described rear leaf spring attachment face (16) is fixed with on respectively.
2. a kind of rear-guard battery-driven car bearing-type rear axle according to claim 1, it is characterized in that: described left and right bracket (11, 12) include in rectangular triangle or the bottom of obtuse-angled triangle structure (110), and be vertical on a right angle of this rectangular triangle or obtuse-angled triangle structure or obtuse angle edge and for being connected mutually with described rear axle tube (10) central siphon connecting panel (112), and to be located on aforementioned right angle or the right acute angle of obtuse angle edge and there is the wheel hub connecting panel (111) of the hub mounting hole (14) matched with hub (13), wherein, described central siphon connecting panel (112) is provided with the flange with described rear axle tube (10) Joint, this flange, described wheel hub single tube mounting hole (14) is on two abate acute angle positions of described rectangular triangle or obtuse-angled triangle structure.
3. a kind of rear-guard battery-driven car bearing-type rear axle according to claim 2, it is characterized in that: described rear leaf spring attachment face (16), rear shock-absorbing mounting hole (18) are laid on described bottom (110) successively, described rear bump rubber positioning plate (20) is fixedly arranged on described wheel hub connecting panel (111) top and relative with described rear leaf spring attachment face (16); Described rear shock-absorbing mounting hole (18) is matched with rear shock absorber (17).
4. a kind of rear-guard battery-driven car bearing-type rear axle according to Claims 2 or 3, it is characterized in that: between described bottom (110) and described central siphon connecting panel (112), described central siphon connecting panel (112) and bottom (110) and wheel hub connecting panel (111) outside, be equipped with some reinforced ribs (113,114,115) between described wheel hub connecting panel (111) and described bottom (110).
CN201520873523.7U 2015-11-03 2015-11-03 Rear -guard electric motor car bears formula rear axle device Withdrawn - After Issue CN205097829U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520873523.7U CN205097829U (en) 2015-11-03 2015-11-03 Rear -guard electric motor car bears formula rear axle device

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Application Number Priority Date Filing Date Title
CN201520873523.7U CN205097829U (en) 2015-11-03 2015-11-03 Rear -guard electric motor car bears formula rear axle device

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105270090A (en) * 2015-11-03 2016-01-27 北汽银翔汽车有限公司 Integral rear-axle device of rear-wheel-driven electric vehicle
KR101824810B1 (en) * 2016-08-16 2018-03-07 주식회사 아이티엔지니어링 Rear Wheel Suspension Unit Of RR Type Electric Vehicle
US10518627B2 (en) 2018-06-05 2019-12-31 Ford Global Technologies, Llc Electric machine integrated axle assemblies for electrified vehicles
CN111439084A (en) * 2020-04-21 2020-07-24 安徽江淮汽车集团股份有限公司 Suspension system and vehicle
CN112124059A (en) * 2019-06-25 2020-12-25 比亚迪股份有限公司 Electric vehicle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105270090A (en) * 2015-11-03 2016-01-27 北汽银翔汽车有限公司 Integral rear-axle device of rear-wheel-driven electric vehicle
KR101824810B1 (en) * 2016-08-16 2018-03-07 주식회사 아이티엔지니어링 Rear Wheel Suspension Unit Of RR Type Electric Vehicle
US10518627B2 (en) 2018-06-05 2019-12-31 Ford Global Technologies, Llc Electric machine integrated axle assemblies for electrified vehicles
US11453288B2 (en) 2018-06-05 2022-09-27 Ford Global Technologies, Llc Electric machine integrated axle assemblies for electrified vehicles
CN112124059A (en) * 2019-06-25 2020-12-25 比亚迪股份有限公司 Electric vehicle
CN112124059B (en) * 2019-06-25 2022-03-18 比亚迪股份有限公司 Electric vehicle
CN111439084A (en) * 2020-04-21 2020-07-24 安徽江淮汽车集团股份有限公司 Suspension system and vehicle

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AV01 Patent right actively abandoned

Granted publication date: 20160323

Effective date of abandoning: 20170728

AV01 Patent right actively abandoned