CN208793579U - Mixed electrical automobile differential mechanism - Google Patents
Mixed electrical automobile differential mechanism Download PDFInfo
- Publication number
- CN208793579U CN208793579U CN201821342616.7U CN201821342616U CN208793579U CN 208793579 U CN208793579 U CN 208793579U CN 201821342616 U CN201821342616 U CN 201821342616U CN 208793579 U CN208793579 U CN 208793579U
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- Prior art keywords
- axle shaft
- gear
- gasket
- shaft gear
- lug boss
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Abstract
The utility model discloses a kind of mixed electrical automobile differential mechanisms, including shell, cavity is provided in the shell, the cavity both ends are respectively arranged with the first axle shaft gear and the second axle shaft gear, the cavity is wherein symmetrically arranged with positive stop lug boss in end surface two sides, first axle shaft gear is arranged between positive stop lug boss, the back side of first axle shaft gear is provided with the first gasket groove, the first gasket is connected between the first gasket groove and cavity surface, the thickness of first gasket is greater than the depth of the first gasket groove, the sum of depth and the height of positive stop lug boss of the first gasket groove are greater than the thickness of the first gasket.The utility model in the cavity surface of shell by being arranged limiting slot, and the first axle shaft gear is arranged in limiting slot, the first axle shaft gear is limited by limiting slot, it prevents the first axle shaft gear and the second axle shaft gear to be displaced because of the vibration generated in transportational process, avoids the collision between other parts.
Description
Technical field
The utility model relates to a kind of automobile differential, in particular to a kind of mixed electrical automobile differential mechanism.
Background technique
Automobile differential is that left and right (or forward and backward) driving wheel can be made to realize the mechanism rotated with different rotating speeds.Vehicle differential
Fast device is mainly made of left and right axle shaft gear, two planetary gears and shell.Existing differential mechanism is before being installed on vehicle, left and right
The position of axle shaft gear is not limited, and differential mechanism causes left and right axle shaft gear to generate position during transportation, due to shaking
It moves so that left and right axle shaft gear is frequently collided with other parts, causes part to damage because colliding with or part is because colliding with causes
The problem of accuracy decline.
Summary of the invention
The purpose of this utility model be solve existing differential mechanism during transportation axle shaft gear be easy movement and and its
His part leads to the problem of collision, provides a kind of mixed electrical automobile differential mechanism, be able to solve axle shaft gear during transportation with its
The problem of his part collision.
The purpose of this utility model is achieved by the following technical solution: mixed electrical automobile differential mechanism, including shell, described
Be provided with cavity in shell, the cavity both ends are respectively arranged with the first axle shaft gear and the second axle shaft gear, the cavity its
Middle end surface two sides are symmetrically arranged with positive stop lug boss, and first axle shaft gear is arranged between positive stop lug boss, and described first
The back side of axle shaft gear is provided with the first gasket groove, is connected with the first pad between the first gasket groove and cavity surface
Piece, the thickness of first gasket are greater than the depth of the first gasket groove, the depth and positive stop lug boss of the first gasket groove
The sum of height be greater than the thickness of the first gasket.
Cavity on shell is set for installing the first axle shaft gear, the second axle shaft gear and other gear assemblies.Institute
That states the first gasket groove is used for the first gasket of placement, in the range of the position of the first gasket is limited in the first gasket groove,
The first gasket is prevented to be detached from.The effect of first gasket is to reduce the first axle shaft gear when rotating and between cavity surface
Frictional force.The thickness of first gasket is greater than the depth of the first gasket groove, so as to be installed to the first gasket recessed for the first gasket
When in slot, the first gasket is locally higher than the first axle shaft gear surface, so that the first axle shaft gear be made to be connected between positive stop lug boss
When, the surface between the first axle shaft gear back side and positive stop lug boss is not directly contacted with, and reduces the first axle shaft gear in rotation
Frictional force, reduce the abrasion to the first axle shaft gear surface.Due to the depth of the first gasket groove and the height of positive stop lug boss
The sum of degree is greater than the thickness of the first gasket, so that the height of positive stop lug boss is greater than the first axle shaft gear back side to limit groove bottom
First axle shaft gear is blocked in the region between two positive stop lug boss by distance, positive stop lug boss, limits the first axle shaft gear
Movement.Since the position of the first axle shaft gear is limited, then according to the internal structure of differential mechanism, the second axle shaft gear
Position also limited, so as to avoid the first axle shaft gear and the second axle shaft gear during transportation because being shaken
And it collides with other parts.
Preferably, the back side of second axle shaft gear is provided with the second gasket groove, second axle shaft gear and
The second gasket is provided between cavity surface, the thickness of second gasket is greater than the depth of the second gasket groove.
Preferably, being provided with the circular through hole for passing through semiaxis among first gasket and the second gasket.
Preferably, the distance between described positive stop lug boss is greater than the diameter of the first axle shaft gear.
Preferably, the shell both ends are respectively arranged with coaxially arranged the first half axis hole and the second half axis holes, it is described
The central axes of the first half axis holes and the second half axis holes pass through cavity center, and the shell two sides are provided with the first coaxially arranged tooth
The central axes of axle hole and second gear axis hole, the first gear axis hole and second gear axis hole and the first half axis holes and second
The central axes of half axis hole are vertical, and planetary gear shaft, the planet are connected on the first gear axis hole and second gear axis hole
Gear shaft two sides be symmetrically arranged with can around planetary gear shaft rotate planetary gear, the planetary gear simultaneously with the first half axle gear
Wheel and the engagement of the second axle shaft gear.Semiaxis passes through the first half axis holes or the second half axis hole and the first axle shaft gears or the second semiaxis
Gear is connected.The first gear axis hole and second gear axis hole are for connecting planetary gear shaft.The planetary gear shaft is used for
Connect planetary gear.
Preferably, the line direction between positive stop lug boss is vertical with planetary gear shaft.
Preferably, being provided with the center for connecting semiaxis among first axle shaft gear and the second axle shaft gear
Hole, the center internal surface of hole are provided with internal spline.When semiaxis is connect with the first axle shaft gear or the second axle shaft gear, pass through
External splines on semiaxis is arranged in connect with the internal spline cooperation on centre bore to realize.
Preferably, the bottom surface of the first gasket groove is the arc surface outwardly protruded, between the positive stop lug boss
Surface is the arc surface being recessed inwardly.
Preferably, one side surface of the first gasket is between the arc surface outwardly protruded and the surface and positive stop lug boss
Surface match, another side surface of the first gasket is the arc surface being recessed inwardly and the surface and the first gasket groove
Bottom surface matches.
The beneficial effects of the utility model are: the utility model is in the cavity surface of shell by being arranged positive stop lug boss,
And the first axle shaft gear is arranged in limiting slot, the first axle shaft gear is limited by positive stop lug boss, to avoid
First axle shaft gear and the second axle shaft gear are displaced because of the vibration generated in transportational process, are avoided and other parts
Between collision.
Detailed description of the invention
Fig. 1 is the utility model structure sectional view.
Fig. 2 is schematic diagram of housing structure.
Fig. 3 is the portion A enlarged drawing in Fig. 1.
Fig. 4 is the portion B enlarged drawing in Fig. 1.
Fig. 5 is the first axle shaft gear structural schematic diagram.
Fig. 6 is C sectional view in Fig. 5.
Fig. 7 is the portion D enlarged drawing in Fig. 6.
In figure: 1, shell, the 2, first gasket, the 3, first axle shaft gear, the 4, second axle shaft gear, the 5, second gasket, 6, row
Star gear shaft, 7, planetary gear.
Specific embodiment
The utility model is further described below by specific embodiment and in conjunction with attached drawing.
As shown in Figures 1 to 7, electrical automobile differential mechanism, including shell 1 are mixed.The shell 1 is internally provided with for installing tooth
The spherical hollow space of wheel assembly.The first half axis holes that semiaxis can be made to pass through and the second half axis holes are provided on the shell 1.Described
Half axis hole and the second half axis holes are located at the axial ends of cavity and are connected to cavity.The first shaft hole and the second axis hole
Coaxial arrangement.The central axes of the first shaft hole and the second axis hole pass through the cavity center.First semiaxis hole is located at sky
Chamber left end (according to the left-right position relationship in Fig. 1), second semiaxis hole is located at cavity right end.1 two sides of shell are symmetrical
It is provided with first gear axis hole and second gear axis hole.The first gear axis hole and the coaxial arrangement of second gear axis hole.It is described
The central axes of first gear axis hole and second gear axis hole pass through cavity center.In the first half axis hole and the second half axis holes
Axis is vertical with the central axes of first gear axis hole and second gear axis hole.1 two sides of shell are also symmetrically arranged with fluting knot
Structure.
Cavity left end inner wall and right end face are the arc surface being recessed inwardly.First semiaxis hole is located at left end
Among inner wall, second semiaxis hole is located among right end inner wall.Cavity left end surface is provided with positive stop lug boss.The limit
There are two position boss is arranged altogether.The positive stop lug boss is symmetrically arranged at the two sides on cavity left end surface.Described two limits
Spacing zone is formed between boss.
The gear assembly includes the first axle shaft gear 3, the second axle shaft gear 4 and planetary gear 6.First half axle gear
In cavity left end, second axle shaft gear 4 is arranged in cavity right end 3 setting of wheel.In the present embodiment, first axle shaft gear
3 is identical with 4 structure of the second axle shaft gear.First axle shaft gear and the second axle shaft gear side are bevel gear.Described
One axle shaft gear and the second axle shaft gear front are provided with cone toothing.First axle shaft gear 3 and the second axle shaft gear 4
The back side be outwardly protrude it is arc-shaped.It is provided among first axle shaft gear and the second axle shaft gear and half axis connection
Centre bore is provided with internal spline on the center bore inner wall.It is recessed that first axle shaft gear, 3 back center is provided with the first gasket
Slot, 4 back side of the second axle shaft gear are provided with the second gasket groove.The first gasket groove and the second gasket groove are
It is round.The first gasket groove and the second gasket groove floor are the arc surface outwardly protruded.The first gasket groove side
Face is the first confined planes, and the second gasket groove side is the second confined planes.First axle shaft gear, the 3 dorsal edge diameter
Less than the distance between two positive stop lug boss.
Centre bore on first axle shaft gear 3 and the first half axis holes are coaxially disposed, on second axle shaft gear 4
Centre bore and the second half axis holes are coaxially disposed.First axle shaft gear 3 is arranged between two positive stop lug boss.Described the first half
It is provided with the first gasket 2 between shaft gear 3 and cavity left end surface, is set between second axle shaft gear and cavity right end face
It is equipped with the second gasket 5.First gasket 2 is arranged in the first gasket groove on the first axle shaft gear 3, second gasket
5 are arranged in the second gasket groove on the second axle shaft gear 4.First gasket 2 is circle.First gasket, 2 two sides
Surface is arc surface.First gasket, 2 one side surface is between the arc surface outwardly protruded and the surface and positive stop lug boss
Surface match.Another side surface of first gasket 2 is the arc surface being recessed inwardly and the surface and the first gasket groove
Bottom surface match.The through-hole for passing through semiaxis is provided among first gasket 2.The edge diameter of first gasket 2
Less than the edge diameter of the first gasket groove.First gasket, 2 thickness is greater than the depth of the first gasket groove.First pad
The surface that is recessed inwardly of piece 2 is contacted with the first gasket groove floor.Surface that first gasket 2 outwardly protrudes and positive stop lug boss it
Between surface contact.The sum of the height of the positive stop lug boss and the depth of the first gasket groove are greater than the thickness of the first gasket.
Second axle shaft gear 4 is arranged in cavity right end.Centre bore and the second semiaxis on second axle shaft gear 4
Hole coaxial arrangement.Second gasket, 5 structure is identical as the first gasket 2.The arc surface of the sunken inside and the second gasket groove
Bottom surface contact.The arc surface outwardly protruded on second gasket 5 matches with cavity right end face and is in contact with the surface.
Planetary gear shaft 6 is provided on the shell 1.6 cross section of planetary gear shaft is circle.The planetary gear
6 both ends of axis are separately fixed in first shaft hole and the second axis hole.Planetary gear 7 is connected in the planetary gear shaft 6.The row
Star gear 7 is bevel gear.The planetary gear 7 is altogether there are two settings.The planetary gear 7 is separately positioned on planetary gear shaft two
Side is simultaneously connected in planetary gear shaft 6 by rotary way.The planetary gear 7 can be rotated around planetary gear shaft 6.Two
Planetary gear 7 is engaged with the first axle shaft gear 3 and the second axle shaft gear 4 simultaneously.Line direction between the positive stop lug boss
It is vertical with planetary gear shaft 6.
First axle shaft gear 3 and the second axle shaft gear 4 are connected with the semiaxis on automobile respectively.When connection, semiaxis is inserted respectively
Enter the centre bore on the first axle shaft gear and the second axle shaft gear, the internal spline cooperation on the external splines and centre bore on semiaxis.
It is connected between first axle shaft gear and the second axle shaft gear by planetary gear.First gasket is arranged in the first semiaxis
Between gear and shell, the frictional force between the first axle shaft gear and shell can be reduced.Second gasket is arranged second
Between axle shaft gear and shell, the frictional force between the second axle shaft gear and shell can be reduced.First gasket is arranged first
In gasket groove, the first gasket groove plays position-limiting action to the first gasket.First axle shaft gear back side is between limit
The height that the distance on surface is less than positive stop lug boss is kept away so that the first axle shaft gear is limited between positive stop lug boss
Exempt from the first axle shaft gear to shift because being shaken during transportation.Due to the first axle shaft gear and the second axle shaft gear it
Between connected by planetary gear so that have determining positional relationship between the first axle shaft gear and the second axle shaft gear, due to
The position of first axle shaft gear is restricted, so that the second axle shaft gear position is also accordingly restricted, is avoided
Second axle shaft gear is displaced during transportation.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical new
Structure after the simple transformation of type belongs to the protection scope of the utility model.
Claims (9)
1. mixed electrical automobile differential mechanism, it is characterised in that: including shell (1), be provided with cavity, the cavity in the shell (1)
Both ends are respectively arranged with the first axle shaft gear (3) and the second axle shaft gear (4), and the cavity is wherein symmetrically set end surface two sides
It is equipped with positive stop lug boss, first axle shaft gear (3) is arranged between positive stop lug boss, the back side of first axle shaft gear (3)
It is provided with the first gasket groove, is connected between the first gasket groove and cavity surface the first gasket (2), first pad
The thickness of piece (2) is greater than the depth of the first gasket groove, the sum of depth and the height of positive stop lug boss of the first gasket groove
Greater than the thickness of the first gasket (2).
2. mixed electrical automobile differential mechanism according to claim 1, which is characterized in that the back side of second axle shaft gear (4)
It is provided with the second gasket groove, is provided with the second gasket (5) between second axle shaft gear (4) and cavity surface, described
The thickness of two gaskets (5) is greater than the depth of the second gasket groove.
3. mixed electrical automobile differential mechanism according to claim 2, which is characterized in that first gasket (2) and the second gasket
(5) intermediate to be provided with the circular through hole for passing through semiaxis.
4. a kind of mixed electrical automobile differential mechanism according to claim 1, which is characterized in that the distance between described positive stop lug boss
Greater than the diameter of the first axle shaft gear (3).
5. mixed electrical automobile differential mechanism according to claim 1, which is characterized in that shell (1) both ends are respectively arranged with
The central axes of coaxially arranged the first half axis hole and the second half axis holes, the first half axis hole and the second half axis holes pass through in cavity
The heart, shell (1) two sides are provided with coaxially arranged first gear axis hole and second gear axis hole, the first gear axis hole
It is vertical with the central axes of second gear axis hole and the first half axis holes and the second half central axes of axis hole, the first gear axis hole and
It is connected on second gear axis hole planetary gear shaft (6), planetary gear shaft (6) two sides are symmetrically arranged with can be around planetary gear
The planetary gear (7) of axis (6) rotation, the planetary gear (7) are engaged with the first axle shaft gear and the second axle shaft gear simultaneously.
6. mixed electrical automobile differential mechanism according to claim 5, which is characterized in that line direction and row between positive stop lug boss
Star gear shaft (6) is vertical.
7. mixed electrical automobile differential mechanism according to claim 1, which is characterized in that first axle shaft gear (3) and second
The centre bore for connecting semiaxis is provided among axle shaft gear (4), the center internal surface of hole is provided with internal spline.
8. mixed electrical automobile differential mechanism described according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7, which is characterized in that described first
The bottom surface of gasket groove is the arc surface outwardly protruded, and the surface between the positive stop lug boss is the arc surface being recessed inwardly.
9. mixed electrical automobile differential mechanism according to claim 8, which is characterized in that (2) one side surface of the first gasket is
Surface between the arc surface outwardly protruded and the surface and positive stop lug boss matches, another side surface of first gasket (2)
For the arc surface being recessed inwardly and the surface matches with the bottom surface of the first gasket groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821342616.7U CN208793579U (en) | 2018-08-20 | 2018-08-20 | Mixed electrical automobile differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821342616.7U CN208793579U (en) | 2018-08-20 | 2018-08-20 | Mixed electrical automobile differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208793579U true CN208793579U (en) | 2019-04-26 |
Family
ID=66206296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821342616.7U Active CN208793579U (en) | 2018-08-20 | 2018-08-20 | Mixed electrical automobile differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208793579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139876A (en) * | 2018-08-20 | 2019-01-04 | 杭州杰途传动部件有限公司 | A kind of mixed electrical automobile differential mechanism |
-
2018
- 2018-08-20 CN CN201821342616.7U patent/CN208793579U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139876A (en) * | 2018-08-20 | 2019-01-04 | 杭州杰途传动部件有限公司 | A kind of mixed electrical automobile differential mechanism |
| CN109139876B (en) * | 2018-08-20 | 2024-02-09 | 杭州杰途传动部件有限公司 | Differential mechanism of hybrid electric vehicle |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |