CN109139876A - A kind of mixed electrical automobile differential mechanism - Google Patents
A kind of mixed electrical automobile differential mechanism Download PDFInfo
- Publication number
- CN109139876A CN109139876A CN201810950615.9A CN201810950615A CN109139876A CN 109139876 A CN109139876 A CN 109139876A CN 201810950615 A CN201810950615 A CN 201810950615A CN 109139876 A CN109139876 A CN 109139876A
- Authority
- CN
- China
- Prior art keywords
- axle shaft
- gasket
- gear
- shaft gear
- lug boss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/037—Gearboxes for accommodating differential gearings
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H2057/0093—Means or measures for transport, shipping or packaging
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention 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 present invention 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 present invention 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
Present invention aim to address existing differential mechanism during transportation axle shaft gear be easy movement and with other zero
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 other zero
The problem of part collides.
The purpose of the present invention is what is be achieved through the following technical solutions: a kind of 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 present invention are: the present invention is in the cavity surface of shell by being arranged positive stop lug boss, and by first
Axle shaft gear is arranged in limiting slot, is limited by positive stop lug boss to the first axle shaft gear, so as to avoid the first half
Shaft gear and the second axle shaft gear are displaced because of the vibration generated in transportational process, avoid touching between other parts
It hits.
Detailed description of the invention
Fig. 1 is structure of the invention cross-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
Below by specific embodiment and in conjunction with attached drawing, the invention will be further described.
As shown in Figures 1 to 7, a kind of mixed electrical automobile differential mechanism, including shell 1.The shell 1 is internally provided with for pacifying
The spherical hollow space of toothing 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.Institute
It states the first half axis holes and the second half axis holes is located at the axial ends of cavity and is connected to cavity.The first shaft hole and second
Axis hole coaxial arrangement.The central axes of the first shaft hole and the second axis hole pass through the cavity center.The first semiaxis hole location
In cavity 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
It is symmetrically arranged with first gear axis hole and second gear axis hole.The first gear axis hole and the coaxial arrangement of second gear axis hole.
The central axes of the first gear axis hole and second gear axis hole pass through cavity center.The first half axis hole and the second half axis holes
Central axes it 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 out
Slot 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.The surface and positive stop lug boss that first gasket 2 outwardly protrudes
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 description of the invention, is not limitation of the invention, any pair of simple transformation of the invention
Structure afterwards all belongs to the scope of protection of the present invention.
Claims (9)
1. a kind of mixed electrical automobile differential mechanism, it is characterised in that: including shell (1), it is provided with cavity in the shell (1), it is described
Cavity both ends are respectively arranged with the first axle shaft gear (3) and the second axle shaft gear (4), the cavity wherein end surface two sides pair
Title is provided with positive stop lug boss, and first axle shaft gear (3) is arranged between positive stop lug boss, first axle shaft gear (3)
The back side is provided with the first gasket groove, is connected between the first gasket groove and cavity surface the first gasket (2), and described
The thickness of one gasket (2) is greater than the depth of the first gasket groove, the depth of the first gasket groove and the height of positive stop lug boss
The sum of be greater than the first gasket (2) thickness.
2. a kind of mixed electrical automobile differential mechanism according to claim 1, which is characterized in that second axle shaft gear (4)
The back side is provided with the second gasket groove, is provided with the second gasket (5), institute between second axle shaft gear (4) and cavity surface
The thickness for stating the second gasket (5) is greater than the depth of the second gasket groove.
3. a kind of mixed electrical automobile differential mechanism according to claim 2, which is characterized in that first gasket (2) and second
The circular through hole for passing through semiaxis is provided among gasket (5).
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. a kind of mixed electrical automobile differential mechanism according to claim 1, which is characterized in that shell (1) both ends are set respectively
It is equipped with coaxially arranged the first half axis hole and the second half axis holes, the central axes of the first half axis hole and the second half axis holes pass through sky
Chamber center, shell (1) two sides are provided with coaxially arranged first gear axis hole and second gear axis hole, the first gear
The central axes of axis hole and second gear axis hole and the first half axis holes and the second half central axes of axis hole are vertical, the first gear axis
It is connected on hole and second gear axis hole planetary gear shaft (6), planetary gear shaft (6) two sides are symmetrically arranged with can be around planet
The planetary gear (7) of gear shaft (6) rotation, the planetary gear (7) are nibbled with the first axle shaft gear and the second axle shaft gear simultaneously
It closes.
6. a kind of mixed electrical automobile differential mechanism according to claim 5, which is characterized in that the line direction between positive stop lug boss
It is vertical with planetary gear shaft (6).
7. a kind of mixed electrical automobile differential mechanism according to claim 1, which is characterized in that first axle shaft gear (3) and
The centre bore for connecting semiaxis is provided among second axle shaft gear (4), the center internal surface of hole is provided with internal spline.
8. a kind of 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
The bottom surface of first gasket groove is the arc surface outwardly protruded, and the surface between the positive stop lug boss is the circular arc being recessed inwardly
Face.
9. a kind of mixed electrical automobile differential mechanism according to claim 8, which is characterized in that the first gasket (2) side table
Face is that the surface between the arc surface outwardly protruded and the surface and positive stop lug boss matches, the first gasket (2) other side
Surface is 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 |
|---|---|---|---|
| CN201810950615.9A CN109139876B (en) | 2018-08-20 | 2018-08-20 | Differential mechanism of hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810950615.9A CN109139876B (en) | 2018-08-20 | 2018-08-20 | Differential mechanism of hybrid electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109139876A true CN109139876A (en) | 2019-01-04 |
| CN109139876B CN109139876B (en) | 2024-02-09 |
Family
ID=64790249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810950615.9A Active CN109139876B (en) | 2018-08-20 | 2018-08-20 | Differential mechanism of hybrid electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139876B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607675A (en) * | 2021-06-18 | 2021-11-05 | 洛阳双瑞万基钛业有限公司 | Sample pool and detection system for online detection of impurities in titanium tetrachloride |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607675A (en) * | 2021-06-18 | 2021-11-05 | 洛阳双瑞万基钛业有限公司 | Sample pool and detection system for online detection of impurities in titanium tetrachloride |
| CN113607675B (en) * | 2021-06-18 | 2024-05-31 | 洛阳双瑞万基钛业有限公司 | Sample cell and detection system for online detection of impurities in titanium tetrachloride |
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