CN208686948U - A kind of differential casing - Google Patents
A kind of differential casing Download PDFInfo
- Publication number
- CN208686948U CN208686948U CN201821348729.8U CN201821348729U CN208686948U CN 208686948 U CN208686948 U CN 208686948U CN 201821348729 U CN201821348729 U CN 201821348729U CN 208686948 U CN208686948 U CN 208686948U
- Authority
- CN
- China
- Prior art keywords
- coupling housing
- external coupling
- differential casing
- connector sleeve
- pilot hole
- 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.)
- Expired - Fee Related
Links
- 230000008878 coupling Effects 0.000 claims abstract description 30
- 238000010168 coupling process Methods 0.000 claims abstract description 30
- 238000005859 coupling reaction Methods 0.000 claims abstract description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 33
- 230000007246 mechanism Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 241000233855 Orchidaceae Species 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012208 gear oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Retarders (AREA)
Abstract
The utility model provides a kind of differential casing, belongs to technical field of automobile parts.It solves the problems such as existing differential casing oil channel structures are unreasonable.This differential casing, including external coupling housing, the inside of external coupling housing has the accommodating chamber for accommodating differential gear, pilot hole is offered in the upper end wall and lower end wall of external coupling housing, each pilot hole is connected with accommodating chamber, the connector sleeve ear towards outside horizontal projection is all had on two side end faces of the external coupling housing, outer oil sump is offered on the top end face of each connector sleeve ear, two end side of accommodating chamber is provided with partiting pad, several inner cavity oil grooves are offered on the inner face of each partiting pad, each inner cavity oil groove is transversely and horizontally distributed, and it is spacedly distributed between adjacent inner cavity oil groove.The utility model has the advantages that structurally reasonable, economical and practical.
Description
Technical field
The utility model belongs to technical field of automobile parts, is related to a kind of shell, in particular to a kind of differential casing.
Background technique
Automobile differential can make left and right (or forward and backward) driving wheel realize the mechanism rotated with different rotating speeds.Open difference
Fast device is the most commonly used, is mainly made of left and right axle shaft gear, two planetary gears and tooth rest, main parts size is all set in difference
In fast device shell, when driving, left and right wheels stress is equal for straight line, and rotational speed difference is not present in two halves shaft gear, so planet tooth
Rotation, Ackermann steer angle do not occur for wheel, and outboard wheels want to obtain revolving speed more higher than inboard wheel, at this time planetary gear
Intervention allows two halves shaft gear slight rotational speed difference occur while maintaining torque transmitting, it can be seen that, differential mechanism is automobile
One of the core component of turning function.
The service life is longer in order to make automobile differential for automobile differential component on existing market, it will usually in differential
Add lubricating oil in device, for example, our company it is existing application No. is: the utility model patent of CN201620104365.3 discloses one
Kind differential assembly, mainly solves the problems, such as to rub between gear and differential casing inside differential mechanism, and improve
Differential mechanism internal lubrication performance, but since oil circuit designs too simple, it is excessively high to may cause differential mechanism internal oil pressure, leaks
Phenomena such as, influence the normal use of differential mechanism.
Summary of the invention
The purpose of this utility model is to provide a kind of structurally reasonable, warp for the above-mentioned problems in the prior art
Help practical differential casing.
The purpose of this utility model can be realized by the following technical scheme: a kind of differential casing, including external coupling housing,
The inside of the external coupling housing has accommodating chamber for accommodating differential gear, which is characterized in that the external coupling housing it is upper
Pilot hole is offered on end wall and lower end wall, each pilot hole is connected with accommodating chamber, and the two of the external coupling housing
The connector sleeve ear towards outside horizontal projection is all had on a side end face, offers outer oil on the top end face of each connector sleeve ear
Slot, two end side of accommodating chamber are provided with partiting pad, offer several inner cavities on the inner face of each partiting pad
Oil groove, each inner cavity oil groove is transversely and horizontally distributed, and is spacedly distributed between adjacent inner cavity oil groove.
The technical effect of the utility model are as follows: relative to traditional automobile differential shell, this external coupling housing is in connector sleeve
Outer oil sump is offered on the outer end face of ear, inner cavity oil groove, differential mechanism in driving process are offered on the partiting pad in accommodating chamber
Inner cavity oil groove changes the circuit of planetary gear Yu axle shaft gear rotation process middle gear oil, both ends outer oil sump control oil level with
The circuit of oil, which makes internal pressure be unlikely to excessive, improves Leakage.
In a kind of above-mentioned differential casing, connection method in the form of annular discs is provided on the outer end face of the external coupling housing
Orchid, offers several connecting holes on the connecting flange, and the connecting hole is circumferential uniformly point along the surface of connecting flange
Cloth.Facilitate differential casing is whole to be fixedly connected, is also convenient for dismounting.
In a kind of above-mentioned differential casing, the quantity of the outer oil sump is 2, and each outer oil sump arc-shaped is curved
Song setting, outer oil sump described in two are distributed along the top end face circumferential direction Rotating with Uniform of connector sleeve ear.Outer oil sump bending setting can be with
Help slows down the flow velocity of oil liquid, improves thermal diffusivity.
In a kind of above-mentioned differential casing, the joint of the connector sleeve ear and external coupling housing is provided with reinforcing ring
Side, the reinforcing ring side and the junction of connector sleeve ear, external coupling housing pass through arc transition.Improve differential casing junction it
Between intensity, prolong the service life.
In a kind of above-mentioned differential casing, it is provided on the inner face of the external coupling housing and is set for dottle pin board
Connect step.Promote the stability of partiting pad installation.
In a kind of above-mentioned differential casing, the pilot hole positioned at upper end wall is in the pilot hole being located on lower end wall
On same axis.
Compared with prior art, this differential casing improves oil return line by setting outer oil sump and inner cavity oil groove, effectively
Stablize the oil pressure in differential mechanism accommodating chamber, and the processing of oil groove is relatively simple so that differential casing integrally have it is structurally reasonable,
Economical and practical advantage.
Detailed description of the invention
Fig. 1 is the overall structure cross-sectional view of this differential casing.
Fig. 2 is the cross-sectional view of this differential casing A-A.
In figure, 1, external coupling housing；2, accommodating chamber；3, pilot hole；4, connector sleeve ear；5, outer oil sump；6, partiting pad；7, inner cavity
Oil groove；8, connecting flange；9, connecting hole；10, reinforcing ring side；11, step is connected.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 and Figure 2, the inside of this differential casing, including external coupling housing 1, external coupling housing 1 has for accommodating
The accommodating chamber 2 of differential gear, offers pilot hole 3 in the upper end wall and lower end wall of external coupling housing 1, each pilot hole 3 with hold
Chamber 2 of receiving is connected, and the connector sleeve ear 4 towards outside horizontal projection, each connector sleeve are all had on two side end faces of external coupling housing 1
Offer outer oil sump 5 on the top end face of ear 4,2 liang of end sides of accommodating chamber are provided with partiting pad 6, on the inner face of each partiting pad 6
Several inner cavity oil grooves 7 are offered, each inner cavity oil groove 7 is transversely and horizontally distributed, and is divided at equal intervals between adjacent inner cavity oil groove 7
Cloth.
It further describes in detail, connecting flange 8 in the form of annular discs, the connection method is provided on the outer end face of external coupling housing 1
Several connecting holes 9 are offered on orchid 8, the connecting hole 9 is circumferentially uniformly distributed along the surface of connecting flange 8.
Further to describe in detail, the quantity of the outer oil sump 5 is 2, each 5 arc-shaped bend of outer oil sump setting, two
The outer oil sump 5 is distributed along the top end face circumferential direction Rotating with Uniform of connector sleeve ear 4.
Further describe in detail, the joint of connector sleeve ear 4 and external coupling housing 1 is provided with reinforcing ring side 10, reinforcing ring side 10 with
Connector sleeve ear 4, external coupling housing 1 junction pass through arc transition.
It further describes in detail, is provided on the inner face of external coupling housing 1 and blocks the connection step 11 set for partiting pad 6.
It further describes in detail, the pilot hole 3 positioned at upper end wall is on same axis with the pilot hole 3 being located on lower end wall.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although external coupling housing 1, accommodating chamber 2, pilot hole 3, connector sleeve ear 4, outer oil sump 5, dottle pin is used more herein
The terms such as plate 6, inner cavity oil groove 7, connecting flange 8, connecting hole 9, reinforcing ring side 10, connection step 11, but be not precluded and use it
A possibility that its term.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；It
To be construed to any additional limitation all be contrary to the spirit of the present invention.
Claims (6)
1. the inside of a kind of differential casing, including external coupling housing (1), the external coupling housing (1) has for accommodating differential
The accommodating chamber (2) of gear, which is characterized in that offer pilot hole in the upper end wall and lower end wall of the external coupling housing (1)
(3), each pilot hole (3) is connected with accommodating chamber (2), all has on two side end faces of the external coupling housing (1)
Towards the connector sleeve ear (4) of outside horizontal projection, offered outer oil sump (5) on the top end face of each connector sleeve ear (4), it is described
(2) two end side of accommodating chamber be provided with partiting pad (6), offered in several on the inner face of each partiting pad (6)
Chamber oil groove (7), each inner cavity oil groove (7) is transversely and horizontally distributed, and is spacedly distributed between adjacent inner cavity oil groove (7).
2. a kind of differential casing according to claim 1, which is characterized in that on the outer end face of the external coupling housing (1)
It is provided with connecting flange in the form of annular discs (8), several connecting holes (9), the company is offered on the connecting flange (8)
Hole (9) is connect circumferentially to be uniformly distributed along the surface of connecting flange (8).
3. a kind of differential casing according to claim 1, which is characterized in that the quantity of the outer oil sump (5) is 2, often
A outer oil sump (5) arc-shaped bend setting, outer oil sump (5) described in two are circumferential along the top end face of connector sleeve ear (4)
Rotating with Uniform distribution.
4. a kind of differential casing according to claim 1, which is characterized in that the connector sleeve ear (4) and outer connection
The joint of shell (1) is provided with reinforcing ring side (10), the company of the reinforcing ring side (10) and connector sleeve ear (4), external coupling housing (1)
The place of connecing passes through arc transition.
5. a kind of differential casing according to claim 1, which is characterized in that on the inner face of the external coupling housing (1)
It is provided with and blocks the connection step (11) set for partiting pad (6).
6. a kind of differential casing according to claim 1, which is characterized in that positioned at the pilot hole (3) of upper end wall and position
It is on same axis in the pilot hole (3) on lower end wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821348729.8U CN208686948U (en) | 2018-08-21 | 2018-08-21 | A kind of differential casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821348729.8U CN208686948U (en) | 2018-08-21 | 2018-08-21 | A kind of differential casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686948U true CN208686948U (en) | 2019-04-02 |
Family
ID=65886136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821348729.8U Expired - Fee Related CN208686948U (en) | 2018-08-21 | 2018-08-21 | A kind of differential casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686948U (en) |
-
2018
- 2018-08-21 CN CN201821348729.8U patent/CN208686948U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20210821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |