CN209488336U - A kind of shell of integrated form driving electric bridge - Google Patents
A kind of shell of integrated form driving electric bridge Download PDFInfo
- Publication number
- CN209488336U CN209488336U CN201920330511.8U CN201920330511U CN209488336U CN 209488336 U CN209488336 U CN 209488336U CN 201920330511 U CN201920330511 U CN 201920330511U CN 209488336 U CN209488336 U CN 209488336U
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- electric machine
- machine casing
- shell
- retarder
- wall
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 22
- 239000003638 chemical reducing agent Substances 0.000 claims description 22
- 238000005266 casting Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 17
- 239000003921 oil Substances 0.000 description 16
- 238000013461 design Methods 0.000 description 15
- 238000009434 installation Methods 0.000 description 9
- 229910000976 Electrical steel Inorganic materials 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model relates to a kind of shells of integrated form driving electric bridge, including the second half-shell of integrally formed electric machine casing and retarder, the electric machine casing is generally cylindric, and it is axially spaced equipped with multiple tracks radiating ribs on the outer wall of electric machine casing, circumferentially arranged with multiple tracks waling on the outer wall of electric machine casing, and waling extends to the second half-shell of retarder, is additionally provided with multiple tracks triangle reinforcing rib between the electric machine casing lateral wall and the second retarder half-shell end face.The utility model is spaced the radiating ribs provided with multiple tracks circumferential direction on electric machine casing outer wall, heat dissipation effect is more preferable, and setting extends to the waling of the second half-shell of retarder on electric machine casing, improve integral strength, it also is additionally provided with multiple tracks triangle reinforcing rib between electric machine casing lateral wall and the second retarder half-shell end face, intensity reinforcement is played and takes into account heat sinking function, the muscle of the muscle of radiating requirements and strength demand is independently arranged the utility model, structure is more reasonable, better effect.
Description
Technical field
The utility model relates to new-energy automobile drive assembly shells, more particularly to a kind of shell of integrated form driving electric bridge
Body.
Background technique
New energy electric drive converts electrical energy into mechanical energy by motor, drives wheel, transmission device by transmission device
That is it the structural behaviour of retarder, motor and gear box casing and influences great, and then influences with the matching property of gearbox gear
The performance and comfort of vehicle.The characteristics of fuel-engined vehicle power assembly is different from due to new-energy automobile electric drive shell, motor
It is redesigned with reducer shell needs.
The electric bridge of new-energy automobile driving at present is that electric machine casing is connected by bolt with reducer shell mostly, realizes power
Transmission, structure is complicated for such design method, component superposition installation causes space big, increase arrangement difficulty, construction weight
Greatly.
Although the Chinese patent of Patent No. CN201720477585 discloses a kind of integrated electric drive assembly shell knot
Structure, the bar shaped radiating ribs in the structure are longitudinal arrangement, although having both the function of increasing intensity, but to a certain extent
Heat sinking function is reduced, and is equipped with triangle in the structure between the external wall of differential right housing and electric machine casing bottom and reinforces
Muscle can not provide preferable heat sinking function.
Summary of the invention
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of structurally reasonable, heat dissipation performance and
The shell for the integrated form driving electric bridge that intensity is taken into account.
To achieve the goals above, the utility model uses technical solution below:
A kind of shell of integrated form driving electric bridge, including the second half-shell of integrally formed electric machine casing and retarder, it is described
Electric machine casing is generally cylindric, and it is axially spaced on the outer wall of electric machine casing be equipped with multiple tracks radiating ribs, electric machine casing it is outer
Circumferentially arranged with multiple tracks waling on wall, and waling extends to the second half-shell of retarder, outside the electric machine casing
Multiple tracks triangle reinforcing rib is additionally provided between side wall and the second retarder half-shell end face.
As a preferred solution: the electric machine casing inner wall lower is circumferentially arranged with multiple grating type grooves, adjacent grid formula
It is equipped between groove and separates reinforcing rib, be additionally provided with position limiting convex ring on the electric machine casing inner wall, the position limiting convex ring is located at grid
Formula groove top.
As a preferred solution: hanging ring is additionally provided on the lateral wall of the electric machine casing, the hanging ring and motor reducer one
Body sandwich type element integrally casting shaping, the thickness of hanging ring are greater than 5mm, are equipped with through-hole in the middle part of hanging ring, the aperture of the through-hole is
12mm—18mm。
The utility model is spaced the radiating ribs provided with multiple tracks circumferential direction on electric machine casing outer wall, and heat dissipation effect is more preferable, and
Setting extends to the waling of the second half-shell of retarder on electric machine casing, integral strength is improved, also in electric machine casing
It is additionally provided with multiple tracks triangle reinforcing rib between lateral wall and the second retarder half-shell end face, intensity reinforcement is played and takes into account heat sinking function,
The muscle of the muscle of radiating requirements and strength demand is independently arranged the utility model, and structure is more reasonable, better effect.
The utility model proposes a kind of integrated forms to drive electric bridge two-in-on casing structure, simplifies electric machine casing and slows down
Connection type between device shell, improves the convenience of installation, while saving vehicle installation space, alleviates driving electric bridge
Weight, and integrated form can increase the reinforcing rib of fusion in original two shell foundations, improve the intensity of structure.
Detailed description of the invention
Fig. 1 is the overall structure diagram that integrated form drives electric bridge；
Fig. 2 is the transmission principle schematic diagram that integrated form drives electric bridge；
Fig. 3 is the structural schematic diagram of one angle of motor reducer integral housing；
Fig. 4 is the structural schematic diagram of another angle of motor reducer integral housing；
Fig. 5 is the lubrication system schematic diagram of one angle of motor reducer integral housing；
Fig. 6 is the lubrication system schematic diagram of another angle of motor reducer integral housing；
Fig. 7 is the lubrication system schematic diagram of retarder first half-shell；
Fig. 8 is the structural schematic diagram of input shaft；
Fig. 9 is that the schematic diagram of machining interference may occur for the gear of input shaft；
Figure 10 is the first mounting structure schematic diagram of input shaft and gear；
Figure 11 is the schematic diagram of the section structure of Figure 10；
Figure 12 is second of mounting structure schematic diagram of input shaft and gear；
Figure 13 is the schematic diagram of the section structure of Figure 12；
Figure 14 is the third mounting structure schematic diagram of input shaft and gear；
Figure 15 is the schematic diagram of the section structure of Figure 14；
Figure 16 is the mounting structure schematic diagram of input shaft and bearing mounting blocks；
Figure 17 is the schematic diagram of the section structure of Figure 16.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
A kind of integrated form as depicted in figs. 1 and 2 drives electric bridge, including shell, motor 2 and is separately positioned on motor 2
The retarder 1 and PEU component 3 at both ends, the shell include retarder first half-shell 10 and motor reducer integral housing 20,
The input shaft of the retarder 1 and the axis of motor 2 are integrally formed to form input shaft 4, and the input shaft 4 is arranged by bearing in shell
In vivo, described 4 one end of input shaft is equipped with rotor silicon steel sheet 5, and the other end is equipped with first gear 41, also passes through bearing in the shell
Equipped with jackshaft 6 and reducer assemblies 7, the jackshaft 6 is equipped with second gear 61, and second gear 61 is nibbled with first gear 41
It closes, third gear 62 is additionally provided on the jackshaft 6, the reducer assemblies 7 are equipped with reducer gear circle 71, third gear
62 engage with reducer gear circle 71.
The integrated form driving electric bridge of the utility model proposes a kind of motor, retarder and the integrated design of PEU, power
It is to use run-in index structure, the input shaft of motor shaft and retarder is structure as a whole, and reducer shell, electric machine casing are integrated knot
Structure, this design can effectively reduce installation space and installation difficulty, reduce the total weight of product, manufacturing cost is effectively reduced.
As shown in Figure 3 and Figure 4, the motor reducer integral housing 20 includes integrally formed electric machine casing and deceleration
The second half-shell of device, the electric machine casing is generally cylindric, and diameter 150mm-165mm matches for the interference with motor stator
Close, the diameter magnitude of interference of interference fit is 0.2mm-0.3mm, ensure that the bearing capacity of driving electric bridge, and structure is simple, have compared with
Strong safety；And it is axially spaced equipped with multiple tracks radiating ribs 21 on the outer wall of electric machine casing, the design of shell radiating ribs is to examine
Consider vehicle driving direction namely when shell direction windward shell to the baffling characteristics of air fluid, carried out for different arrangements
Simulation analysis compared the schemes such as longitudinal rib scheme and horizontal bar, analyze heat dissipation effect, and combine housing molding process cloth
Horizontal bar is set, muscle width 3mm-5mm, height 10mm-15mm are spaced 12mm-18mm, muscle number is on shell between muscle and muscle
11-15, the radiating requirements of sufficient motor.
Circumferentially arranged with multiple tracks waling 22 on the outer wall of electric machine casing, and waling 22 extends to retarder
Second half-shell, motor reducer integral type shell waling number are 1-3, waling thickness 5mm-8mm, height
10mm-15mm, it is longitudinal through the second half shell parts of electric machine casing and retarder, the intensity and just of shell on the one hand can be improved
Degree, has on the other hand taken into account the cast shaping process requirement of shell.
Multiple tracks triangle reinforcing rib 23 is additionally provided between the electric machine casing lateral wall and the second half-shell of retarder end face.It will be electric
Casing body is cast integrally with the second half-shell of retarder, between use 3-5mm thickness triangle reinforcing rib, triangle reinforcing rib is along motor
Shell is longitudinally arranged, and is merged with reinforcing rib on the outside of the second half-shell of retarder, triangle reinforcing rib effectively raises the heat dissipation of shell
Efficiency, and improve the intensity of shell；This muscle can require adjustment muscle height and muscle arrangement form according to different intensity and toughnesses,
Muscle number is 3-6.
The electric machine casing inner wall lower is set between adjacent grid formula groove 24 circumferentially arranged with multiple grating type grooves 24
Have and separate reinforcing rib 25, the position limiting convex ring 26 of the axially position for stator, the limit are additionally provided on the electric machine casing inner wall
Position bulge loop 26 is located at 24 top of grating type groove.Motor reducer integral housing eliminates the flange of traditional retarder and motor
Joint face, is designed to grating type groove 24 at original connection space position, and the depth of grating type groove is 30mm-45mm, lattice
Grating groove location need to be 10-15 there are reinforcing rib 25 is separated, and separate reinforcing rib 25 with a thickness of 3mm-5mm, in proof strength
While be effectively reduced weight, improve the craftsmanship of casting, solve casting in easily occur shrinkage cavity and porosity, sand holes
The defects of.
Hanging ring 27, the hanging ring 27 and motor reducer integral housing 20 are additionally provided on the lateral wall of the electric machine casing
Integrally casting shaping, the thickness of hanging ring 27 are greater than 5mm, and through-hole is equipped in the middle part of hanging ring 27, and the aperture of the through-hole is 12mm-
18mm.For hanging ring apart from electric motor end cap flange 80mm -95mm, integral cast can save the zero of the independent hanging ring of split-type design
Part cost and producing line assembly cost.
Motor reducer integral housing simplifies the connection type between electric machine casing and reducer shell, improves peace
The convenience of dress, while vehicle installation space is saved, the weight of driving electric bridge is alleviated, and integrated form can be in original two shells
The reinforcing rib for increasing fusion on the basis of body improves the intensity of structure.
As shown in Fig. 5, Fig. 6 and Fig. 7, input shaft is equipped between the second half-shell of the retarder first half-shell 10 and retarder
Chamber 203, centre axocoel 204 and output axocoel 205, input axocoel is used to install input shaft, intermediate axocoel is used to install jackshaft,
Output axocoel is for installing reducer assemblies；The intermediate axocoel 204 and output axocoel 205, which are used to install on the end face of bearing, to be divided
Not She You the first oil guide groove 207 and the second oil guide groove 208, the input axocoel on 10 inner wall of retarder first half-shell 203
Point be additionally provided with third oil guide groove 103, the input axocoel 203, intermediate axocoel 204 outside be additionally provided with U-shaped reinforcing rib 209, it is U-shaped
The opening of reinforcing rib 209 is located at housing central section, and the U-shaped reinforcing rib that input cavity and intermediate axocoel periphery are cast out is used to keep off oil, U
The wide 3mm-5mm of type reinforcing rib is 3mm-5mm with mounting plane difference in height, for guiding lubricating oil to flow into input axocoel；Retarder
It is exported in second half-shell between axocoel 205 and inner walls and is additionally provided with inwardly protruded bulge 206, for reducing cavity volume,
Conducive to the utilization rate for improving lubricating oil.
Air collecting chamber 210, air collecting chamber center are additionally provided in the second half-shell of retarder between U-shaped reinforcing rib 209 and inner wall
Veritcal linearity with input axocoel line, input axocoel 203 and intermediate 204 line of axocoel at angle α, α angle value is 22 °-
25 °, cooperation breather plug use can be used for the intracorporal pressure of balance shell.Air collecting chamber long 22mm-30mm, wide 12-18mm, deep 25-
35mm；The top of the air collecting chamber 210 is equipped with the bolt hole 211 for being used to install breather plug, and the side of the air collecting chamber 210 is fixed
There is oil baffle, and is additionally provided with bleed hole 212 between air collecting chamber 210 and oil baffle.It also can be processed into labyrinth inside the air collecting chamber
Structure is used cooperatively with the above-mentioned bolt hole for filling breather plug.
First oil guide groove 207, the second oil guide groove 208, third oil guide groove 103 are two, and two the first Oil Guides
207, two at interval 180 ° of the third oil guide groove 103 of the second oil guide groove 208, two distributions of slot, the first oil guide groove, the second Oil Guide
The wide 5mm-7mm of slot, third oil guide groove, for guiding lubricating oil to flow into bearing cavity.Above-mentioned lubrication system is fairly simple, but energy
The each bearing bore of effectively lubricating.
As shown in Fig. 2, the both ends of the input shaft 4 are respectively equipped with first bearing 42,3rd bearing 44, the input shaft
Middle part is equipped with second bearing 43, and first bearing 42, second bearing 43,3rd bearing 44 form 3 fulcrum structures, by controlling bearing
With axis, bearing and bearing block fit clearance, guarantee without Planar Mechanisms；The both ends of the jackshaft 6 are respectively equipped with fourth bearing 63,
Five bearings 64, the fourth bearing 63 is located at the inside of second bearing 43, and fourth bearing 63 and second bearing 43 are along axial part
Divide and overlap, the 5th bearing 64 is located at the outside of 3rd bearing 44, and 5th bearing 64 and 3rd bearing 44 are along axial direction
Partly overlap setting.
The input shaft is integrated form integrated design, i.e., is integrated the design of the input shaft of motor shaft and retarder, can be incited somebody to action
Originally 4 bearings of two axis of support were kept to 3, while the machine driving for having subtracted the input shaft of motor shaft and retarder connects
It connects；By adjusting the input axocoel and intermediate axocoel of shell, make second bearing 43, fourth bearing 63 at designing side by side, i.e., two
Bearing can effectively reduce the center of input shaft and jackshaft away from and then can reducing in differential mechanism and input shaft in left and right arrangement
The heart away from, and then reduce assembly radial contour dimension.
The first bearing 42, second bearing 43,3rd bearing 44 are ball bearing, or are followed successively by ball bearing, the axis of cone
It holds and needle bearing；The fourth bearing 63,5th bearing 64 are ball bearing, or are cone bearing.The retarder group
The both ends of part 7 are respectively equipped with 6th bearing 72 and 7th bearing 73, and 6th bearing 72 and 7th bearing 73 be ball bearing or
Person is cone bearing.
Above structure is a kind of design layout mode of the axial direction of integrated form driving electric bridge middle (center) bearing side by side, and input shaft is collection
Accepted way of doing sth design, simplifies structure, and being easily installed while improving structural strength reduces noise, at the same by motor big-end bearing and
Jackshaft left bearing is designed side by side, and such arrangement can effectively reduce the radial space of shafting, is particularly advantageous for subtracting
The radial arrangement space of fast device.
As shown in figure 9, when refining to gear, grinding wheel can be with installation motor in processing driving motor gear shaft
The shaft part of bearing mounting blocks is interfered, and is caused the shaft part afunction of bearing mounting blocks, is influenced to replace the spare parts (such as bearing, oil sealing etc.)
Normal use, therefore to avoid the above problem, the structure that input shaft is assembled after independently being manufactured using gear with input shaft, or adopt
The structure assembled after independently being manufactured with bearing mounting blocks with input shaft, the former specific structure are as follows:
As shown in figure 8, bearing installation is additionally provided on the input shaft 4 between rotor silicon steel sheet 5 and first gear 41
Block 45, the bearing mounting blocks 45 are integrally formed with input shaft 4, and the first gear 41 passes through hot jacket, spline fitted or key
The mode of slot cooperation is mounted on input shaft 4, can effectively reduce maintenance cost；The specific mounting means of first gear and input shaft
Include the following three types structure.
The first structure is as shown in Figure 10 and Figure 11, and the input shaft 4 of 45 side of bearing mounting blocks is third shaft part
410,410 stepped of third shaft part, the first gear 41 includes integrally formed gear ring and axle tube 411, institute
State that gear ring is fixed on third shaft part 410 and the side of gear ring and the step surface of third shaft part 410 offset, the axle tube
411 are located at the other side of gear ring and stepped, and the 3rd bearing 44 is arranged on axle tube 411, and 3rd bearing 44
It is limited by step surface and circlip.
Second of structure is as shown in Figure 12 and Figure 13, and the input shaft 4 of 45 side of bearing mounting blocks is third shaft part
410, the first gear 41 includes integrally formed gear ring and pipe spreader 412, and gear ring is located at the outer middle side part of pipe spreader 412, institute
It states pipe spreader 412 to be fixed on third shaft part 410, and 412 outer end stepped of pipe spreader, the 3rd bearing 44 is arranged in axis
On 412 outer end of casing, and limited by step surface and circlip.
Shown in the third structure chart 14 and Figure 15, the both ends of the input shaft 4 are respectively to be used to install first bearing 42
First shaft part 47 and for installing the second shaft part 48 of 3rd bearing 44, and the first shaft part 47 and the second shaft part 48 are step-like
Circlip is equipped on cylinder, first shaft part 47 and the second shaft part 48, first bearing 42,3rd bearing 44 pass through circlip respectively
It is limited with step surface.
Bearing mounting blocks are as follows with the specific structure of input shaft assembly after independently manufacturing:
As shown in Figure 16 and Figure 17, axis is additionally provided between rotor silicon steel sheet 5 and first gear 41 on the input shaft 4
Mounting blocks 45 are held, the bearing mounting blocks 45 are mounted on input shaft 4 in such a way that hot jacket, spline fitted or keyway cooperate
On, the first gear 41 is integrally formed with input shaft 4.
The positioning section 454 of protrusion is additionally provided on the input shaft 4, the bearing mounting blocks 45 are fixed on positioning section 454,
One end of the bearing mounting blocks 45 is equipped with bulge loop 452, and the outer wall of bulge loop 452 is equipped with groove 451, the bearing mounting blocks
45 are located at the side of bulge loop 452 for the support portion 453 for installing second bearing 43.
The axle center of the input shaft 4 is equipped with blind hole 49, for subtracting material to structure, reduces construction weight.The input shaft 4
Side wall on be additionally provided with the locating slot 46 circumferentially positioned for silicon steel sheet.
Design scheme 1: gear segment and shaft part are designed to two by 2 kinds of schemes of above-mentioned motor gear axis segment design
Point, two parts axis can be attached by modes such as hot jacket, spline fitted, keyway cooperations, effective solution machining interference
The problem of, and gear segment integrates the bearing section of side, increases the combination length of gear segment and shaft part, while using in gear
Cheng Zhongru breaks down, and can be individually replaced gear segment, and main body shaft part can continue to use, and reduce the cost of maintenance.Design side
Case 2: by the shaft part of motor bearings mounting blocks from empty axle sleeve in one section of design is isolated in shaft body, becoming two sections of axis, respectively plus
Work avoids fine grinding interference problem.Two parts axis can be attached by modes such as hot jacket, spline fitted, keyway cooperations, effectively
Solve the problems, such as machining interference.
In conclusion two axis designs of input shaft of motor shaft and retarder are integrated, simplify motor output shaft with
Connection type between reducer input shaft, improves the convenience of installation, while saving the bulk of driving electric bridge, subtracts
The light weight of driving electric bridge, and integration type shaft design can reduce bearing usage quantity, be down to 3 from 4, reduce product at
This.
It should be pointed out that above embodiments are only the representative examples of the utility model.The utility model can also there are many
Deformation.All essence any simple modification, equivalent change and modification to the above embodiments according to the utility model,
It is considered as belonging to the protection scope of the utility model.
Claims (3)
1. a kind of shell of integrated form driving electric bridge, it is characterised in that: including integrally formed electric machine casing and retarder second
Half-shell, the electric machine casing is generally cylindric, and on the outer wall of electric machine casing it is axially spaced be equipped with multiple tracks radiating ribs (21),
Circumferentially arranged with multiple tracks waling (22) on the outer wall of electric machine casing, and waling (22) extends to retarder second
Half-shell is additionally provided with multiple tracks triangle reinforcing rib (23) between the electric machine casing lateral wall and the second retarder half-shell end face.
2. a kind of shell of integrated form driving electric bridge according to claim 1, it is characterised in that: the electric machine casing inner wall
Lower part is equipped between adjacent grid formula groove (24) and separates reinforcing rib (25) circumferentially arranged with multiple grating type grooves (24), institute
It states and is additionally provided on electric machine casing inner wall position limiting convex ring (26), the position limiting convex ring (26) is located at grating type groove (24) top.
3. a kind of shell of integrated form driving electric bridge according to claim 2, it is characterised in that: outside the electric machine casing
It is additionally provided on side wall hanging ring (27), the hanging ring (27) and motor reducer integral housing (20) integrally casting shaping, hanging ring
(27) thickness is greater than 5mm, and through-hole is equipped in the middle part of hanging ring (27), and the aperture of the through-hole is 12mm -18mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920330511.8U CN209488336U (en) | 2019-03-15 | 2019-03-15 | A kind of shell of integrated form driving electric bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920330511.8U CN209488336U (en) | 2019-03-15 | 2019-03-15 | A kind of shell of integrated form driving electric bridge |
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| Publication Number | Publication Date |
|---|---|
| CN209488336U true CN209488336U (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920330511.8U Expired - Fee Related CN209488336U (en) | 2019-03-15 | 2019-03-15 | A kind of shell of integrated form driving electric bridge |
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| CN (1) | CN209488336U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140643A (en) * | 2020-02-11 | 2020-05-12 | 北京汽车集团越野车有限公司 | Split type main reducer casing of electricity driving vehicle and car |
| WO2023019459A1 (en) * | 2021-08-18 | 2023-02-23 | 舍弗勒技术股份两合公司 | Vent valve for eaxle driving system, vent valve assembly, and eaxle driving system |
-
2019
- 2019-03-15 CN CN201920330511.8U patent/CN209488336U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111140643A (en) * | 2020-02-11 | 2020-05-12 | 北京汽车集团越野车有限公司 | Split type main reducer casing of electricity driving vehicle and car |
| WO2023019459A1 (en) * | 2021-08-18 | 2023-02-23 | 舍弗勒技术股份两合公司 | Vent valve for eaxle driving system, vent valve assembly, and eaxle driving system |
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Granted publication date: 20191011 |