CN205768657U - A kind of power transmission structure of pure electric automobile variator - Google Patents
A kind of power transmission structure of pure electric automobile variator Download PDFInfo
- Publication number
- CN205768657U CN205768657U CN201620583922.4U CN201620583922U CN205768657U CN 205768657 U CN205768657 U CN 205768657U CN 201620583922 U CN201620583922 U CN 201620583922U CN 205768657 U CN205768657 U CN 205768657U
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- China
- Prior art keywords
- spline housing
- spline
- motor shaft
- external splines
- electric automobile
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Abstract
This utility model provides the power transmission structure of higher pure electric automobile variator in a kind of service life, made its right-hand member including entirety by metal material and be provided with the power shaft (10) of power shaft external splines (11), entirety is made its left part by metal material and is provided with the motor shaft (20) of motor shaft external splines (21), and it is provided with the spline housing (30) of internal spline (31), the right part of described power shaft (10) and the left part of motor shaft (20) are by power shaft external splines (11), the internal spline (31) of motor shaft external splines (21) and spline housing (30) is connected with spline housing (30), it is characterized in that: described spline housing (30) and internal spline (31) thereof are made by engineering plastics.
Description
Technical field
This utility model relates to pure electric automobile variator, is specifically related to the power transmission of a kind of pure electric automobile variator
Structure.
Background technology
Under the theories such as clean energy-saving promote, new-energy automobile is developed rapidly, sending out of pure electric automobile variator
Exhibition reaches its maturity, and its power transmission structure, to drive motor as power, drives the motor shaft of motor and the power shaft of variator
Connected by interior external splines and impart power to variator.See Fig. 1 to Fig. 3, at present, a kind of pure electric automobile that market is common
The power transmission structure of variator, including power shaft 10, motor shaft 20, spline housing 30, the right part of described power shaft 10 is provided with defeated
Entering axle external splines 11, the left part of described motor shaft 20 is provided with motor shaft external splines 21, is provided with internal spline 31 in described spline housing 30,
The right part of described power shaft 10 and the left part of motor shaft 20 are by power shaft external splines 11, motor shaft external splines 21 and spline housing 30
Internal spline 31 is connected with spline housing 30, described power shaft 10 and power shaft external splines 11, motor shaft 20 and motor shaft thereof
External splines 21, and spline housing 30 and internal spline 31 thereof made by metal material.The power of this pure electric automobile variator
Defect existing for transferring structure is；Due to flower outside power shaft 10 and power shaft external splines 11, motor shaft 20 and motor shaft thereof
Key 21, and spline housing 30 and internal spline 31 thereof made by metal material.Power is transmitted by spline housing 30 at motor shaft 20
During to power shaft 10, the power shaft external splines 11 of power shaft 10 right-hand member, motor shaft external splines 21 meeting and the flower of motor shaft 20 left part
The internal spline 31 of key set 30 contacts with each other friction, collision generation bigger noise and easily wearing and tearing, and causes power shaft 10, motor
Axle 20 and spline housing 30 are relatively low for service life, and then cause service life of whole variator relatively low.Meanwhile, spline housing 30 can not
Effectively relax shock loading, cause power shaft 10 and the high vibration of motor shaft 20 to damage power assembly, reduce car load and change
The performance of speed device and life-span.Additionally, after life-time service, spline housing 30 will axially left and right sliding, be easily caused flower in it
Key 31 mutually comes off with the power shaft external splines 11 of power shaft 10 right part or the motor shaft external splines 21 of motor shaft 20 left part, causes
Make whole variator cisco unity malfunction, even occur that catastrophe failure, safety are poor.Further, the right-hand member of power shaft 10 and electricity
The left end of arbor 20 is likely to mutually collide thus sustains damage and reduce service life, also can cause the whole variator can not
Normal work, even occurs that catastrophe failure, safety are poor.
Utility model content
For the defect existing for prior art, the technical problems to be solved in the utility model is to provide a kind of service life
The power transmission structure of higher pure electric automobile variator.
For solving above-mentioned technical problem, the technical solution of the utility model is；
The power transmission structure of a kind of pure electric automobile variator, is made its right-hand member including entirety by metal material and is provided with defeated
Enter the power shaft of axle external splines, entirety is made its left part by metal material and is provided with the motor shaft of motor shaft external splines, and is provided with
The spline housing of internal spline, the right part of described power shaft and the left part of motor shaft by power shaft external splines, motor shaft external splines and
The internal spline of spline housing is connected with spline housing, it is characterized in that: described spline housing and internal spline thereof are made by engineering plastics.
Preferably, the barrier portion extended internally by its inwall footpath being made up of engineering plastics it is provided with in described spline housing.
Preferably, described barrier portion is the ring bodies extended internally by the inwall of spline housing.
Preferably, described barrier portion is the plectane body extended internally by the inwall of spline housing.
Preferably, the barrier portion of described plectane body is provided with lightening hole.
Preferably, the left-half of the internal spline of described spline housing is female cone structure, and the big end of this female cone structure exists
The left end of spline housing, small end are at the about medium position of spline housing, correspondingly, outside the power shaft that the right part of described power shaft is provided with
Spline is the outer cone structure that right-hand member is little, left side is big.
Preferably, the right half part of the internal spline of described spline housing is female cone structure, and the big end of this female cone structure exists
The right-hand member of spline housing, small end are at the about medium position of spline housing, correspondingly, outside the motor shaft that the left part of described motor shaft is provided with
Spline is the outer cone structure that left end is little, right side is big.
Preferably, the left-half of the internal spline of described spline housing is female cone structure, and the big end of this female cone structure exists
The left end of spline housing, small end are at spline housing about medium position；The right half part of the internal spline of described spline housing is female cone knot
Structure, the big end of this female cone structure at the right-hand member of spline housing, small end at spline housing about medium position；Correspondingly, described input
The power shaft external splines that axle right part is provided with is the outer cone structure that right-hand member is little, left side is big, the electricity that the left part of described motor shaft is provided with
Arbor external splines is the outer cone structure that left end is little, right side is big.
This utility model comprises following beneficial effect；
Owing to spline housing described in the utility model and internal spline thereof are made by engineering plastics.Thus, pass through at motor shaft
When spline housing transmission power is to power shaft, the power shaft external splines of power shaft left part, the motor shaft external splines of motor shaft right part are
Making to contact with each other friction, collision with the internal spline of spline housing, produced noise is smaller, be the most also not easy to grind
Damage.Then, the service life of power shaft, motor shaft and spline housing is higher, and then makes service life of whole variator the highest.
Meanwhile, spline housing can also effectively relax shock loading, and avoids power shaft and the high vibration of motor shaft to damage power assembly,
Thus improve car load and the performance of variator and life-span.
Accompanying drawing explanation
Fig. 1 is the structural representation of the power transmission structure of prior art pure electric automobile variator；
Fig. 2 is the structural representation of the spline housing of prior art；
Fig. 3 is the side view of Fig. 2；
Fig. 4 is structural representation of the present utility model；
Fig. 5 is that to be provided with barrier portion and barrier portion be the structural representation of ring bodies to spline housing described in the utility model；
Fig. 6 is the side view of Fig. 5；
Fig. 7 is that spline housing described in the utility model is provided with barrier portion and structural representation that barrier portion is plectane body；
Fig. 8 is the side view of Fig. 7；
Fig. 9 is the structural representation that the left-half of spline housing described in the utility model is provided with female cone；
Figure 10 is the structural representation that the right half part of spline housing described in the utility model is provided with female cone；
Figure 11 is the structural representation that left and right the half of spline housing described in the utility model is partly equipped with female cone.
Detailed description of the invention
See Fig. 1, Fig. 2 and Fig. 3, the power transmission structure of pure electric automobile variator of the present utility model and Fig. 1 and Fig. 2
The power transmission structure of the pure electric automobile variator of shown prior art is the same, includes that entirety is made up of metal material equally
Its right part end is provided with the power shaft 10 of power shaft external splines 11, entirety is made its left part by metal material and is provided with motor shaft external splines
The motor shaft 20 of 21, and it is provided with the spline housing 30 of internal spline 31, the right part of described power shaft 10 and the left part of motor shaft 20 lead to
The internal spline 31 crossing power shaft external splines 11, motor shaft external splines 21 and spline housing 30 is connected with spline housing 30.This practicality
Novel unlike the power transmission structure of the pure electric automobile variator of the prior art shown in Fig. 1, Fig. 2 and Fig. 3, this reality
Make by engineering plastics with novel described spline housing 30 and internal spline 31 thereof.Thus, passed by spline housing 30 at motor shaft 20
When graduating power is to power shaft 10, the power shaft external splines 11 of power shaft 10 left part, the motor shaft external splines 21 of motor shaft 20 right part
Even if can with the internal spline 31 of spline housing 30 contact with each other friction, collision, produced noise is smaller, the most not
Easily abrasion.Then, the service life of power shaft 10, motor shaft 20 and spline housing 30 is higher, and then makes making of whole variator
The highest with the life-span.Meanwhile, spline housing 30 can also effectively relax shock loading, and avoids the violent of power shaft 10 and motor shaft 20
Vibrate and damage power assembly, thus improve car load and the performance of variator and life-span.
See Fig. 4 and Fig. 5, this utility model be provided with in spline housing 30 by engineering plastics make inside by its inwall footpath
The barrier portion 40 extended.So, life-time service in any case, no matter spline housing 30 will the most axially be slided left and right
Move, by the barrier in barrier portion 40, the internal spline 31 of spline housing 30 all without with the power shaft external splines 11 of power shaft 10 right part or
The motor shaft external splines 21 of person's motor shaft 20 left part falls off.Simultaneously, additionally it is possible to prevent right-hand member and the motor shaft of power shaft 10
The left end of 20 collides, thus can either improve the use service life of power shaft 10 and motor shaft 20, and ensure that whole
Individual variator and car load can normally work all the time, do not break down, thus safety is preferable.
Seeing Fig. 4, Fig. 5 and Fig. 6, described barrier portion 40 is the ring bodies extended internally by the inwall of spline housing 30.This makes
Barrier portion 40 can preferably prevent the internal spline 31 of spline housing 30 and the power shaft external splines 11 of power shaft 10 right part or
The motor shaft external splines 21 of motor shaft 20 left part falls off, and ensure that whole variator normally works, and does not breaks down,
Thus safety is preferable.
Seeing Fig. 7 and Fig. 8, described barrier portion 40 is the plectane body extended internally by the inwall of spline housing 30.This makes equally
Barrier portion 40 can more preferably prevent the internal spline 31 of spline housing 30 and the power shaft external splines 11 of power shaft 10 right-hand member or
The motor shaft external splines 21 of person's motor shaft 20 left end falls off, and can better ensure that whole variator normally works, no
Break down, thus safety is preferable.
Seeing Fig. 7 and Fig. 8, this utility model is provided with lightening hole 401 in the barrier portion 40 of plectane body.So can be more
While ensureing that well barrier portion 40 plays a role, additionally it is possible to reduce weight, energy efficient.
Seeing Fig. 4 and Fig. 9, the left-half of the internal spline 31 of described spline housing 30 is female cone structure, and this female cone is tied
The big end of structure at the left end of spline housing 30, small end at the about medium position of spline housing 30, correspondingly, the right side of described power shaft 10
The power shaft external splines 11 that portion is provided with is the outer cone structure that right-hand member is little, left side is big.So ensure that spline housing 30 and input
The assembling ratio of axle 10 is stronger, prevent motor shaft 20 transmitted by spline housing 30 power to power shaft 10 during, spline
Depart between set 30 and power shaft 10, thus preferably ensure the normal work of whole device.
Seeing Fig. 4 and Figure 10, the right half part of the internal spline 31 of described spline housing 30 is female cone structure, and this female cone is tied
The big end of structure at the right-hand member of spline housing 30, small end at the about medium position of spline housing 30, correspondingly, a left side for described motor shaft 20
The motor shaft external splines 21 that portion is provided with is the outer cone structure that left end is little, right side is big.So ensure that spline housing 30 and motor
The assembling ratio of axle 20 is stronger, prevent motor shaft 20 transmitted by spline housing 30 power to power shaft 10 during, spline
Depart between set 30 and motor shaft 20, thus preferably ensure the normal work of whole device.
Seeing Fig. 4 and Figure 11, the left-half of the internal spline 31 of described spline housing 30 is female cone structure, and this female cone is tied
The big end of structure at the left end of spline housing 30, small end at spline housing 30 about medium position；The internal spline 31 of described spline housing 30
Right half part is female cone structure, the big end of this female cone structure the right-hand member of spline housing 30, small end spline housing 30 about in
Position, portion；Correspondingly, the power shaft external splines 11 that described power shaft 10 right part is provided with is the outer cone knot that right-hand member is little, left side is big
Structure, the motor shaft external splines 21 that the left part of described motor shaft 20 is provided with is the outer cone structure that left end is little, right side is big.So can
Ensure that spline housing 30 is stronger with the assembling of power shaft 10 and motor shaft 20 all ratios simultaneously, and ensure to pass through at motor shaft 20 simultaneously
Spline housing 30 transmit power to power shaft 10 during, spline housing 30 and motor shaft 20, and spline housing 30 and motor shaft 20
Between will not depart from, thus better ensure that the normal work of whole variator and car load.
Claims (8)
1. a power transmission structure for pure electric automobile variator, is made its right-hand member including entirety by metal material and is provided with input
The power shaft (10) of axle external splines (11), entirety are made its left part by metal material and are provided with the motor shaft of motor shaft external splines (21)
(20), and being provided with the spline housing (30) of internal spline (31), the right part of described power shaft (10) and the left part of motor shaft (20) lead to
The internal spline (31) crossing power shaft external splines (11), motor shaft external splines (21) and spline housing (30) coordinates with spline housing (30) even
Connect, it is characterized in that: described spline housing (30) and internal spline (31) thereof are made by engineering plastics.
The power transmission structure of pure electric automobile variator the most according to claim 1, is characterized in that: described spline housing
(30) the barrier portion (40) extended internally by its inwall footpath being made up of engineering plastics it is provided with in.
The power transmission structure of pure electric automobile variator the most according to claim 2, is characterized in that: described barrier portion
(40) for the ring bodies extended internally by the inwall of spline housing (30).
The power transmission structure of pure electric automobile variator the most according to claim 2, is characterized in that: described barrier portion
(40) for the plectane body extended internally by the inwall of spline housing (30).
The power transmission structure of pure electric automobile variator the most according to claim 4, is characterized in that: described plectane body
Barrier portion (40) is provided with lightening hole (401).
The power transmission structure of pure electric automobile variator the most according to claim 1 and 2, is characterized in that: described spline
The left-half of the internal spline (31) of set (30) is female cone structure, and the big end of this female cone structure is on a left side for spline housing (30)
End, small end are at the about medium position of spline housing (30), correspondingly, and flower outside the power shaft that the right part of described power shaft (10) is provided with
Key (11) is the outer cone structure that right-hand member is little, left side is big.
The power transmission structure of pure electric automobile variator the most according to claim 1 and 2, is characterized in that: described spline
The right half part of the internal spline (31) of set (30) is female cone structure, and the big end of this female cone structure is on the right side of spline housing (30)
End, small end are at the about medium position of spline housing (30), correspondingly, and flower outside the motor shaft that the left part of described motor shaft (20) is provided with
Key (21) is the outer cone structure that left end is little, right side is big.
The power transmission structure of pure electric automobile variator the most according to claim 1 and 2, is characterized in that: described spline
The left-half of the internal spline (31) of set (30) is female cone structure, and the big end of this female cone structure is on a left side for spline housing (30)
End, small end are at spline housing (30) about medium position；The right half part of the internal spline (31) of described spline housing (30) is female cone
Structure, this female cone structure hold greatly the right-hand member in spline housing (30), small end at spline housing (30) about medium position；Accordingly
Ground, the power shaft external splines (11) that described power shaft (10) right part is provided with is the outer cone structure that right-hand member is little, left side is big, described electricity
The motor shaft external splines (21) that the left part of arbor (20) is provided with is the outer cone structure that left end is little, right side is big.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620583922.4U CN205768657U (en) | 2016-06-16 | 2016-06-16 | A kind of power transmission structure of pure electric automobile variator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620583922.4U CN205768657U (en) | 2016-06-16 | 2016-06-16 | A kind of power transmission structure of pure electric automobile variator |
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| Publication Number | Publication Date |
|---|---|
| CN205768657U true CN205768657U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620583922.4U Active CN205768657U (en) | 2016-06-16 | 2016-06-16 | A kind of power transmission structure of pure electric automobile variator |
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| CN (1) | CN205768657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904963A (en) * | 2016-06-16 | 2016-08-31 | 重庆青山工业有限责任公司 | Power transmission structure of transmission of pure electric vehicle |
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2016
- 2016-06-16 CN CN201620583922.4U patent/CN205768657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904963A (en) * | 2016-06-16 | 2016-08-31 | 重庆青山工业有限责任公司 | Power transmission structure of transmission of pure electric vehicle |
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| GR01 | Patent grant |