CN104295716B - Intermediate shaft of two-gear electric vehicle transmission assembly - Google Patents
Intermediate shaft of two-gear electric vehicle transmission assembly Download PDFInfo
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- CN104295716B CN104295716B CN201410559329.1A CN201410559329A CN104295716B CN 104295716 B CN104295716 B CN 104295716B CN 201410559329 A CN201410559329 A CN 201410559329A CN 104295716 B CN104295716 B CN 104295716B
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- section
- cylindrical section
- oil hole
- axial limiting
- radial direction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses an intermediate shaft of a two-gear electric vehicle transmission assembly, wherein the intermediate shaft is provided with a central oil hole which is communicated from left to right; the shaft body is sequentially provided with a first cylindrical section, a first axial limiting table stage, a shaft tooth section, a second axial limiting table stage, a second cylindrical section, an external spline section and a third cylindrical section from left to right; the diameter of the second axial limiting table stage is between the diameter of the first axial limiting table stage and the major diameter of the shaft tooth section; the outer diameter of the second cylindrical section is 40mm, and a first radial oil hole is formed in the second cylindrical section; an annular oil groove is formed in the left portion of the third cylindrical section, and a second radial oil hole with the aperture being 4mm is formed in the bottom of the annular oil groove. The invention can not only transmit power through the shaft tooth section and the gear sleeved on the outer spline section, but also has compact structure and can meet the installation requirement, and simultaneously, the rotating part can be effectively lubricated through the central oil hole, the first radial oil hole, the second radial oil hole and the annular oil groove.
Description
Technical field
The invention belongs to variator field, specifically, particularly relate to a kind of two grades of electric vehicle transmission assemblies
Jackshaft.
Background technology
Existing electric vehicle transmission assembly is a mark structure, i.e. can not gear shift, thus cause its output turn round
Square and rotating speed can not be adjusted according to road conditions, cause its road conditions to adapt to ability.In order to overcome above-mentioned skill
Art defect, we want a transmission assembly with two gears of specialized designs.Meanwhile, design process
In also need to respective design jackshaft, this jackshaft not only wants compact conformation, and power transmission is reliable, but also wants energy
Meet installation requirement and lubricating requirement.
Summary of the invention
The technical problem to be solved is to provide a kind of compact conformation, power transmission reliable and meet to install
Require and two grades of electric vehicle transmission assembly jackshafts of lubricating requirement.
Technical scheme is as follows: the jackshaft of a kind of two grades of electric vehicle transmission assemblies, and its feature exists
In: axle body (1) overall length of this jackshaft is 165.2mm, this jackshaft has about one through in
Heart oilhole (1a), the aperture of this center oilhole (1a) is 10mm；Described axle body (1) depends on from left to right
Secondary be the first cylindrical section (1b), the first axial limiting step section (1c), axle tooth section (1d), second axially limit
Position step section (1e), the second cylindrical section (1f), outer spline section (1g) and the 3rd cylindrical section (1h), wherein
The external diameter of the first cylindrical section (1b) is 35mm；The external diameter of described first axial limiting step section (1c) is 44mm,
And a length of 30mm of described axle tooth section (1d), the big footpath of this axle tooth section is maximum；Described second axial limiting
The diameter of step section (1e) is between diameter and axle tooth section (1d) of the first axial limiting step section (1c)
Between big footpath, and a length of 3.5mm of the second axial limiting step section (1e)；Described second cylindrical section (1f)
External diameter be 40mm, this second cylindrical section has first radial direction oil hole (1K), this first radial direction oil hole
Center is 15mm to the distance of the second cylindrical section (1f) left end, and the aperture of the first radial direction oil hole (1K) is
4mm, and communicate with described center oilhole (1a)；The a length of 22.2mm of described outer spline section (1g), should
The big footpath of outer spline section between the second cylindrical section (1f) and described 3rd cylindrical section (1h), and the 3rd
The external diameter of cylindrical section (1h) is 35mm；The left part of described 3rd cylindrical section (1h) has an annular oil groove
(1m), the bottom land at annular oil groove has the second radial direction oil hole (1n) that aperture is 4mm, and this is second years old
Inner and described center oilhole (1a) of radial direction oil hole communicates, and the centre-to-centre spacing of first and second radial direction oil hole is
50.7mm。
The present invention can not only pass through axle tooth section and the gear drive power being sleeved on outer spline section, and in this
Countershaft compact conformation, can meet installation requirement, has a well suitable dress property, simultaneously also by center oilhole,
Rotatable parts can very effectively be lubricated by the first radial direction oil hole, the second radial direction oil hole and annular oil groove (1m),
And present configuration is simple, it is easy to manufacture.
In the present case, the cross section of described annular oil groove (1m) is preferably circular arc, and its arc radius is 5mm,
Thus can well oil storage.
In the present case, the material of axle body (1) is preferably 20CrMnTiH, the intensity of this material, hardness and
Anti-wear performance is relatively good.
Beneficial effect: the present invention can not only pass through axle tooth section and the gear drive power being sleeved on outer spline section,
And this intermediate shaft structure is compact, installation requirement can be met, there is well suitable dress property, simultaneously also by
Heart oilhole, the first radial direction oil hole, the second radial direction oil hole and annular oil groove (1m) can be very effectively in the middle of these
Rotatable parts lubrication on axle, and present configuration is simple, it is easy to manufacture, intensity, hardness and anti-wear performance
Relatively good.
Accompanying drawing explanation
Fig. 1 is the outline drawing of the present invention.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings:
As it is shown in figure 1, the jackshaft of a kind of two grades of electric vehicle transmission assemblies, axle body 1 material of this jackshaft
Material is preferably 20CrMnTiH, and the overall length of axle body 1 is 165.2mm.Further, jackshaft 1 has one
The center oilhole 1a that left and right is through, the aperture of this center oilhole 1a is 10mm.Described axle body 1 is past from a left side
The right side is followed successively by the first cylindrical section 1b, the first axial limiting step section 1c, axle tooth section 1d, the second axial limiting platform
Stage 1e, the second cylindrical section 1f, outer spline section 1g and the 3rd cylindrical section 1h, wherein the first cylindrical section 1b
External diameter is 35mm, and the left end of the first cylindrical section 1b is taper seat, its a size of 1*1mm.
The external diameter of described first axial limiting step section 1c is 44mm, and a length of 30mm of axle tooth section 1d,
The big footpath of this axle tooth section 1d is maximum.The diameter of described second axial limiting step section 1e axially limits between first
Between diameter and the big footpath of axle tooth section 1d of position step section 1c, and the length of the second axial limiting step section 1e
For 3.5mm.The external diameter of described second cylindrical section 1f is 40mm, and this second cylindrical section has first footpath
To oilhole 1K, this first radial direction oil hole 1K center is 15mm to the distance of the second cylindrical section 1f left end.Further,
The aperture of the first radial direction oil hole 1K is 4mm, and the inner of this first radial direction oil hole 1K communicates with center oilhole 1a,
The outer wall of axle body 1 is run through in its outer end.
As can be seen from Figure 1, a length of 22.2mm of described outer spline section 1g, the big footpath of this outer spline section between
Between second cylindrical section 1f and described 3rd cylindrical section 1h, and the external diameter of the 3rd cylindrical section 1h is 35mm.Institute
The left part stating the 3rd cylindrical section 1h has an annular oil groove 1m, and the cross section of this annular oil groove 1m is circular arc
Shape, its arc radius is 5mm.Bottom land at annular oil groove 1m have that aperture is 4mm second radially
Oilhole 1n, the inner of this second radial direction oil hole 1n communicates with center oilhole 1a, outside the second radial direction oil hole 1n
End runs through the outer wall of axle body 1, and the centre-to-centre spacing of the second radial direction oil hole 1n and the first radial direction oil hole 1K is
50.7mm。
The when that the present invention being assemblied on transmission assembly, the first cylindrical section 1b of axle body 1 passes through bearings
On housing, this bearing is by the first axial limiting step section 1c axial limiting, the 3rd cylindrical section 1h of axle body 1
Right part by bearings on housing, and the left part of the 3rd cylindrical section 1h by bearing holder (housing, cover) equipped with two grades
Gear, this intermediate gear often engages with power shaft, and the most described axle tooth section 1d often engages with power shaft.It addition,
Being connected by spline on described outer spline section 1g and have synchronizer gear sleeve, this synchronizer gear sleeve can be at shifting fork mechanism
Along outer spline section about 1g sliding under drive, shift gears.
The foregoing is only presently preferred embodiments of the present invention, not with the present invention for limiting, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (3)
1. the jackshaft of two grades of electric vehicle transmission assemblies, it is characterised in that: the axle body (1) of this jackshaft
Overall length is 165.2mm, and this jackshaft has about one through center oilhole (1a), this center oil
The aperture in hole (1a) is 10mm；Described axle body (1) be followed successively by from left to right the first cylindrical section (1b),
One axial limiting step section (1c), axle tooth section (1d), the second axial limiting step section (1e), the second cylinder
Section (1f), outer spline section (1g) and the 3rd cylindrical section (1h), the wherein external diameter of the first cylindrical section (1b)
For 35mm；The external diameter of described first axial limiting step section (1c) is 44mm, and described axle tooth section (1d)
A length of 30mm, the big footpath of this axle tooth section is maximum；The diameter of described second axial limiting step section (1e)
Between the diameter and the big footpath of axle tooth section (1d) of the first axial limiting step section (1c), and the second axle
A length of 3.5mm to the limiting stand stage (1e)；The external diameter of described second cylindrical section (1f) is 40mm,
Having first radial direction oil hole (1K) on this second cylindrical section, this first radial direction oil hole center is to the second cylinder
The distance of section (1f) left end is 15mm, and the aperture of the first radial direction oil hole (1K) is 4mm, and with described
Center oilhole (1a) communicates；The a length of 22.2mm of described outer spline section (1g), this outer spline section big
Footpath is between the second cylindrical section (1f) and described 3rd cylindrical section (1h), and the 3rd cylindrical section (1h)
External diameter be 35mm；The left part of described 3rd cylindrical section (1h) has an annular oil groove (1m), in annular
The bottom land of oil groove has the second radial direction oil hole (1n) that aperture is 4mm, the inner of this second radial direction oil hole
Communicate with described center oilhole (1a), and the centre-to-centre spacing of first and second radial direction oil hole is 50.7mm.
The jackshaft of two grades of electric vehicle transmission assemblies the most according to claim 1, it is characterised in that: institute
The cross section stating annular oil groove (1m) is circular arc, and its arc radius is 5mm.
The jackshaft of two grades of electric vehicle transmission assemblies the most according to claim 1 or claim 2, it is characterised in that:
The material of axle body (1) is 20CrMnTiH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559329.1A CN104295716B (en) | 2014-10-21 | 2014-10-21 | Intermediate shaft of two-gear electric vehicle transmission assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559329.1A CN104295716B (en) | 2014-10-21 | 2014-10-21 | Intermediate shaft of two-gear electric vehicle transmission assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104295716A CN104295716A (en) | 2015-01-21 |
| CN104295716B true CN104295716B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410559329.1A Active CN104295716B (en) | 2014-10-21 | 2014-10-21 | Intermediate shaft of two-gear electric vehicle transmission assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN104295716B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018196960A1 (en) * | 2017-04-25 | 2018-11-01 | Gkn Driveline Deutschland Gmbh | Shaft connection and input shaft having a shaft connection of this kind |
| CN107116126A (en) * | 2017-06-23 | 2017-09-01 | 上汽大众汽车有限公司 | A kind of guider |
| CN107575555A (en) * | 2017-09-07 | 2018-01-12 | 安庆市振发汽车锻件有限责任公司 | A kind of automobile gearbox two axles of input and its roughing technique |
| CN107763058A (en) * | 2017-11-22 | 2018-03-06 | 重庆小康工业集团股份有限公司 | Transmission input shaft component |
| CN109931378B (en) * | 2019-03-04 | 2020-12-25 | 西安科技大学 | Gear and gear transmission mechanism with internal cooling lubricating system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4331699C2 (en) * | 1993-09-17 | 1995-08-24 | Lihotzky Emil Maschfab | Compensating coupling |
| US5625511A (en) * | 1995-01-11 | 1997-04-29 | International Business Machines Corporation | Stepped spindle motor shaft to reduce disk drive acoustic noise |
| US7004730B1 (en) * | 2003-04-21 | 2006-02-28 | Rowan Electric, Inc. | Integral shaft for use in mud pumps |
| US7878911B2 (en) * | 2007-11-09 | 2011-02-01 | GM Global Technology Operations LLC | Fluid transfer tube |
| CN202690982U (en) * | 2012-05-28 | 2013-01-23 | 陕西法士特齿轮有限责任公司 | Location structure of transmission countershaft |
| CN103671859A (en) * | 2013-12-18 | 2014-03-26 | 重庆建设摩托车股份有限公司 | Lubricating structure of sliding gear of engine |
| CN204226611U (en) * | 2014-10-21 | 2015-03-25 | 重庆市霞艺汽车配件制造有限公司 | The jack shaft of second gear electric vehicle transmission assembly |
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2014
- 2014-10-21 CN CN201410559329.1A patent/CN104295716B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104295716A (en) | 2015-01-21 |
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Effective date of registration: 20220428 Address after: 402760 No. 59, Longqing Road, Qinggang street, Bishan District, Chongqing Patentee after: Chongqing Yijie Auto Parts Manufacturing Co.,Ltd. Address before: 402761 Qingming area, Qinggang Industrial Park, Bishan County, Chongqing Patentee before: CHONGQING CITY XIAYI AUTOMOBILE PARTS MANUFACTURING Co.,Ltd. |
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