CN209524057U - Differential assembly and vehicle - Google Patents
Differential assembly and vehicle Download PDFInfo
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- CN209524057U CN209524057U CN201821861790.2U CN201821861790U CN209524057U CN 209524057 U CN209524057 U CN 209524057U CN 201821861790 U CN201821861790 U CN 201821861790U CN 209524057 U CN209524057 U CN 209524057U
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- differential
- planetary gear
- gasket
- half shaft
- shaft wheel
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Abstract
This disclosure relates to a kind of differential assembly and vehicle, the differential assembly includes differential casing, planetary gear and planetary gear gasket, the planetary gear is rotatably arranged in the differential carrier body, the planetary gear gasket is arranged between the differential casing and the planetary gear, the outer profile of the planetary gear gasket is at least partly configured to non-circular section, and the inner surface of the differential casing, which is provided with, to be rotated with the non-circular section of stage portion matched with limiting the planetary gear gasket relative to the differential casing.The differential mechanism solves differential mechanism when realizing differential function, the problem of differential casing is easy to appear inordinate wear, is conducive to extend the service life of differential assembly.
Description
Technical field
This disclosure relates to differential art field, and in particular, to a kind of differential assembly and vehicle.
Background technique
Differential assembly is the important component of Automobile drive axle assembly, and function is when automobile turning or in not level road
On face when driving, roll left and right wheels with different rotating speeds, i.e. the wheel of guarantee automobile two sides does PURE ROLLING.
In the related technology, differential assembly is usually made of half shaft wheel, planetary gear, gasket, cross axle, differential casing.
When realizing differential function, can be relatively rotated between gasket and differential casing, since the hardness of differential casing is insufficient and
Other factors influence, and be easy to cause differential casing inordinate wear.
Utility model content
Purpose of this disclosure is to provide a kind of differential assembly and vehicle, which solves differential mechanism and realizes differential function
Can when, the problem of differential casing is easy to appear inordinate wear.
To achieve the goals above, the disclosure provides a kind of differential assembly, including differential casing, planetary gear and planet
Gasket is taken turns, the planetary gear is rotatably arranged in the differential carrier body, and the planetary gear gasket is arranged in the differential
Between device shell and the planetary gear, the outer profile of the planetary gear gasket is at least partly configured to non-circular section, the differential
The inner surface of device shell is provided with the non-circular section of stage portion matched to limit the opposite difference of the planetary gear gasket
Fast device housing into rotation.
Optionally, it is configured to straightway for this non-circular section, the straightway is at least two sections and is arranged in parallel, the stage portion
Correspond at least two.
Optionally, the outer profile of the planetary gear gasket is in rectangle.
Optionally, the stage portion is distributed in a ring.
Optionally, the differential assembly further includes half shaft wheel, half shaft wheel gasket and at least two locating pieces, the semiaxis
Wheel is rotatably arranged in the differential carrier body, and the half shaft wheel gasket is arranged in the differential casing and the semiaxis
Between wheel, the inner surface of the differential casing is provided at least two first positioning holes, and the half shaft wheel gasket offers point
Not with two one-to-one second location holes of first positioning hole, the locating piece setting is in the first positioning hole and institute
It states and is rotated in second location hole with limiting the half shaft wheel gasket relative to the differential casing.
Optionally, the line in the center of circle of two first positioning holes is formed in the diametrical direction of the half shaft wheel gasket.
Optionally, one end of the locating piece is located in the first positioning hole, and the other end of the locating piece is located at institute
Between the two sides for stating half shaft wheel gasket.
The disclosure also provides a kind of differential assembly, including differential casing, half shaft wheel, half shaft wheel gasket and at least two
Locating piece, the half shaft wheel are rotatably arranged in the differential carrier body, and the half shaft wheel gasket is arranged in the differential
Between device shell and the half shaft wheel, the inner surface of the differential casing is provided at least two first positioning holes, and described half
Axis wheel gasket offers respectively with two one-to-one second location holes of first positioning hole, and the locating piece setting is in institute
It states and is rotated in first positioning hole and the second location hole with limiting the half shaft wheel gasket relative to the differential casing.
Optionally, the differential assembly further includes planetary gear and planetary gear gasket, and the planetary gear can be rotatably set
In the differential carrier body, the planetary gear gasket is arranged between the differential casing and the planetary gear, the row
The outer profile of star-wheel gasket is at least partly configured to non-circular section, the inner surface of the differential casing be provided with it is described non-circular
The stage portion that section matches is rotated with limiting the planetary gear gasket relative to the differential casing.
The disclosure also provides a kind of vehicle, including above-mentioned differential assembly.
Through the above technical solutions, since the outer profile of planetary gear gasket is configured to non-circular section, and differential casing is interior
Surface be provided with the non-circular section of stage portion matched, when planetary gear rotation when, the stage portion with non-circular section interfere energy
It enough effectively prevent planetary gear gasket to circumferentially rotate, that is, is not in opposite turn between planetary gear gasket and differential casing
It is dynamic, so that planetary gear gasket be avoided to wear differential casing, extend the service life of differential assembly.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the structural schematic diagram for the differential assembly that disclosure illustrative embodiments provide；
Fig. 2 is the partial structure diagram for the differential casing that disclosure illustrative embodiments provide；
Fig. 3 is the structural schematic diagram for the planetary gear gasket that disclosure illustrative embodiments provide；
Fig. 4 is the cross-sectional view of C-C in Fig. 3；
Fig. 5 is the structural schematic diagram for the half shaft wheel gasket that disclosure illustrative embodiments provide；
Fig. 6 is the cross-sectional view of A-A in Fig. 5；
Fig. 7 is the cross-sectional view of B-B in Fig. 5.
Description of symbols
1 first shell, 2 second shell
3 cross axle, 4 half shaft wheel
5 half shaft wheel gasket, 6 planetary gear
7 planetary gear gasket, 8 locating piece
11 stage portion, 51 second location hole
52 71 non-circular sections of oil grooves
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
According to the one side of the disclosure, a kind of differential assembly is provided, refering to fig. 1, Fig. 2 and Fig. 3, the differential assembly packet
Include differential casing, cross axle 3, planetary gear 6 and planetary gear gasket 7, wherein cross axle 3, planetary gear 6 and planetary gear gasket 7 are equal
In differential carrier body, planetary gear 6 is set on cross axle 3, and planetary gear 6 can be with respect to differential mechanism housing into rotation, planet
That takes turns the outer profile of gasket 7 is at least partly configured to non-circular section 71, and the inner surface of differential casing is provided with and this non-circular section 71
The stage portion 11 matched, by being arranged non-circular section 71 of planetary gear gasket 7 at stage portion 11 to limit planetary gear gasket 7
Opposite differential mechanism housing into rotation.
Due to there is relative rotation and differential casing and planetary gear gasket between differential casing and planetary gear gasket 7
Nonhomogeneous hardness between 7, the position that differential casing is contacted with planetary gear gasket 7 will be quickly worn, and pass through above-mentioned technology
Scheme, since the outer profile of planetary gear gasket 7 is configured to non-circular section 71, and the inner surface of differential casing be provided with it is non-circular with this
The stage portion 11 that section 71 matches, when planetary gear 6 rotates, which interferes with non-circular section 71 and can effectively prevent
Planetary gear gasket 7 circumferentially rotates, that is, is not in relative rotation between planetary gear gasket 7 and differential casing, thus
It avoids planetary gear gasket 7 from wearing differential casing, extends the service life of differential assembly.
It should be noted that above-mentioned non-circular section 71 refers to and makes the whole outer profile of planetary gear gasket 7 in non-in outer profile
The part of circular configuration, that is, the outer profile of planetary gear gasket 7 is made to be not circle, due to planetary gear gasket 7 and differential mechanism
The contact surface of shell is spherical surface, can prevent planetary gear gasket 7 with non-circular section 71 of planetary gear gasket 7 and the cooperation of stage portion 11
Opposite differential mechanism housing into rotation.
Further, refering to fig. 1, which includes first shell 1 and second shell 2, first shell 1 and second
Shell 2 docks and is formed in the interior thereof installation cavity, and cross axle 3, planetary gear 6 and planetary gear gasket 7 are located in the installation cavity, the
It is connected between one shell 1 and second shell 2 by fastener, wherein fastener is bolt, and first shell 1 is bolted
With second shell 2, the assembling of the differential casing can be convenient.
In embodiment of the present disclosure, refering to Fig. 3 and Fig. 4, this non-circular section 71 is configured to straightway, in other embodiments
In can also be arbitrarily to make non-circular segmental arc of the outer profile of planetary gear gasket 7 etc..In addition to stablizing backstop planet
Gasket 7 is taken turns, which in the present embodiment, at least two sections and is arranged in parallel, for example, the planet that outer profile is rounded
Wheel gasket 7 along its flat-sawn take a part after to make its outer profile formed a straightway.It is parallel and for straightway by two sections
Interfering between planetary gear gasket 7 and differential casing can be made to act on for non-circular section 71 more obvious, be conducive to improve row
Anti-rotation effect between star-wheel gasket 7 and differential casing.Non-circular section 71 of quantity can depending on the quantity of planetary gear 6,
Since differential casing includes first shell 1 and second shell 2, correspondingly, each planetary gear gasket 7 corresponding stage portion 11 packet
Two are included, one in two above-mentioned stage portions 11 is arranged in first shell 1, another is arranged in second shell 2, and
Ring structure is collectively formed in the two stage portions 11, which can be formed using rough forging surplus, adds to simplify
Work technique.
Further, the outer profile of planetary gear gasket 7 can be in rectangle, in other words, the outer profile of planetary gear gasket 7
Shape can be square or rectangle, outer profile in the planetary gear gasket 7 of rectangle due to symmetrical straight flange outer profile,
It can be matched with two stage portions 11 in a ring, the interference that can be enhanced between planetary gear gasket 7 and differential casing is made
With, avoid relatively rotating between planetary gear gasket 7 and differential casing, thus improve planetary gear gasket 7 and differential casing it
Between anti-rotation effect.
Refering to fig. 1, Fig. 5, Fig. 6 and Fig. 7, optionally, the differential assembly further include half shaft wheel 4, half shaft wheel gasket 5 and extremely
Few two locating pieces 8, wherein half shaft wheel 4, half shaft wheel gasket 5 and at least two locating pieces 8 are respectively positioned in differential carrier body, and half
The quantity of axis wheel 4 and half shaft wheel gasket 5 is two, and one of half shaft wheel 4 is arranged in first shell 1, another half shaft wheel 4
It is arranged in second shell 2, half shaft wheel 4 is rotated for being meshed with planetary gear 6 and being driven by planetary gear 6, and half shaft wheel gasket 5 is set
It sets between differential casing and half shaft wheel 4, the inner surface of differential casing is provided at least two first positioning holes, half shaft wheel
Gasket 5 offer respectively with the one-to-one second location hole 51 of two first positioning holes, wherein one-to-one correspondence herein is
Refer to, the quantity of first positioning hole and second location hole 51 is consistent, and each first positioning hole and one of them second positioning
The axis collinear in hole 51, it will be understood that the axis of two first positioning holes is parallel to the axis of half shaft wheel 4, and the setting of locating piece 8 exists
To limit half shaft wheel gasket 5 with respect to differential mechanism housing into rotation in first positioning hole and second location hole 51.In locating piece 8 and first
Under the action of location hole, second location hole 51, so that without relative rotation between half shaft wheel gasket 5 and differential casing, to keep away
Exempt from half shaft wheel gasket 5 and wear differential casing, is conducive to extend the service life of differential assembly.
Optionally, the line in the center of circle of two first positioning holes is formed in the diametrical direction of half shaft wheel gasket 5, and in other words two
A first positioning hole is centrosymmetric distribution about the center of circle of half shaft wheel gasket 5, is conducive to enhance half shaft wheel gasket 5 relative to difference
The locating effect of fast device shell prevents from relatively rotating between half shaft wheel gasket 5 and differential casing.Further, since half
Second location hole 51 is processed on axis wheel gasket 5, is equivalent to and is increased only drilling operating, so that processing technology is also relatively easy.
Refering to fig. 1, wherein locating piece 8 can be pin, and one end of the locating piece 8 is located in first positioning hole, locating piece
8 other end is located between the two sides of half shaft wheel gasket 5, this way it is possible to avoid locating piece 8 stretches out half shaft wheel gasket 5, to prevent
Locating piece 8 generates interference to the rotation of half shaft wheel 4.
In embodiment of the present disclosure, it is provided with oil groove 52 on the surface of half shaft wheel gasket 5 to enhance lubricant effect,
In, oil groove 52 can radially distribute, and be provided with oil groove 5 to half shaft wheel 5 and differential in the two sides of half shaft wheel gasket 5
Device shell is lubricated.
Refering to fig. 1, according to another aspect of the present disclosure, a kind of differential assembly is provided, which includes differential
Device shell, half shaft wheel 4, half shaft wheel gasket 5 and at least two locating pieces 8, wherein half shaft wheel 4, half shaft wheel gasket 5 and at least two
A locating piece 8 is respectively positioned in differential carrier body, and the quantity of half shaft wheel 4 and half shaft wheel gasket 5 is two, half shaft wheel 4 be used for
Planetary gear 6 is meshed and is driven by planetary gear 6 and rotated, and half shaft wheel gasket 5 is arranged between differential casing and half shaft wheel 4.Ginseng
Read Fig. 5, Fig. 6 and Fig. 7, the inner surface of differential casing is provided at least two first positioning holes, and half shaft wheel gasket 5 offers point
Not with the one-to-one second location hole 51 of two first positioning holes, wherein one-to-one correspondence herein refers to, first positioning hole and
The quantity of second location hole 51 is consistent, and the axis collinear of each first positioning hole and one of second location hole 51,
It is appreciated that the axis of two first positioning holes is parallel to the axis of half shaft wheel 4, locating piece 8 is arranged in first positioning hole
With in second location hole 51 to limit half shaft wheel gasket 5 with respect to differential mechanism housing into rotation.In locating piece 8 and first positioning hole,
Under the action of two location holes 51, so that without relative rotation between half shaft wheel gasket 5 and differential casing, to avoid half shaft wheel pad
Piece 5 wears differential casing, is conducive to extend the service life of differential assembly, the i.e. differential assembly of present aspect offer.
Refering to fig. 1, optionally, which further includes cross axle 3, planetary gear 6 and planetary gear gasket 7, wherein ten
Word axis 3, planetary gear 6 and planetary gear gasket 7 are respectively positioned in differential carrier body, and planetary gear 6 is set on cross axle 3, and planetary gear 6
It can be able to be the above-mentioned planetary gear gasket 7 or any other that the disclosure provides with respect to differential mechanism housing into rotation, planetary gear gasket 7
The gasket of type.
According to the another further aspect of the disclosure, a kind of vehicle is provided, which includes above-mentioned differential assembly.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.It is further to note that in above-mentioned specific embodiment
Described in each particular technique feature can be combined in any appropriate way in the case of no contradiction, be
Avoid unnecessary repetition, no further explanation will be given to various combinations of possible ways for the disclosure.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of differential assembly, which is characterized in that described including differential casing, planetary gear (6) and planetary gear gasket (7)
Planetary gear (6) is rotatably arranged in the differential carrier body, and the planetary gear gasket (7) is arranged in the differential casing
Between the planetary gear (6), being at least partly configured to non-circular section (71) for the outer profile of the planetary gear gasket (7) is described
The inner surface of differential casing is provided with the stage portion (11) matched with non-circular section (71) to limit the planetary gear pad
Piece (7) is rotated relative to the differential casing.
2. differential assembly according to claim 1, which is characterized in that this non-circular section (71) is configured to straightway, described
Straightway is at least two sections and is arranged in parallel, and the stage portion (11) corresponds at least two.
3. differential assembly according to claim 1 or 2, which is characterized in that the outer profile of the planetary gear gasket (7) is in
Rectangle.
4. differential assembly according to claim 1 or 2, which is characterized in that the stage portion (11) is distributed in a ring.
5. differential assembly according to claim 1, which is characterized in that the differential assembly further include half shaft wheel (4),
Half shaft wheel gasket (5) and at least two locating pieces (8), the half shaft wheel (4) are rotatably arranged in the differential carrier body,
The half shaft wheel gasket (5) is arranged between the differential casing and the half shaft wheel (4), the interior table of the differential casing
Face is provided at least two first positioning holes, the half shaft wheel gasket (5) offer respectively with two first positioning holes one
One corresponding second location hole (51), the locating piece (8) are arranged in the first positioning hole and the second location hole (51)
It is interior to be rotated with limiting the half shaft wheel gasket (5) relative to the differential casing.
6. differential assembly according to claim 5, which is characterized in that the line in the center of circle of two first positioning holes
It is formed in the diametrical direction of the half shaft wheel gasket (5).
7. differential assembly according to claim 5, which is characterized in that one end of the locating piece (8) is located at described the
In a positioning hole, the other end of the locating piece (8) is located between the two sides of the half shaft wheel (4) gasket (5).
8. a kind of differential assembly, which is characterized in that including differential casing, half shaft wheel (4), half shaft wheel gasket (5) and at least
Two locating pieces (8), the half shaft wheel (4) are rotatably arranged in the differential carrier body, and the half shaft wheel gasket (5) sets
It sets between the differential casing and the half shaft wheel (4), the inner surface of the differential casing is provided at least two
A positioning hole, the half shaft wheel gasket (5) offer respectively with two one-to-one second location holes of first positioning hole
(51), locating piece (8) setting is in the first positioning hole and the second location hole (51) to limit the half shaft wheel
Gasket (5) is rotated relative to the differential casing.
9. differential assembly according to claim 8, which is characterized in that the differential assembly further includes planetary gear (6)
With planetary gear gasket (7), the planetary gear (6) is rotatably arranged in the differential carrier body, the planetary gear gasket (7)
It is arranged between the differential casing and the planetary gear (6), at least partly structure of the outer profile of the planetary gear gasket (7)
It causes non-circular section (71), the inner surface of the differential casing is provided with the stage portion (11) matched with non-circular section (71)
It is rotated with limiting the planetary gear gasket (7) relative to the differential casing.
10. a kind of vehicle, which is characterized in that including the described in any item differential assemblies of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821861790.2U CN209524057U (en) | 2018-11-12 | 2018-11-12 | Differential assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821861790.2U CN209524057U (en) | 2018-11-12 | 2018-11-12 | Differential assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209524057U true CN209524057U (en) | 2019-10-22 |
Family
ID=68211592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821861790.2U Active CN209524057U (en) | 2018-11-12 | 2018-11-12 | Differential assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209524057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294506A (en) * | 2021-06-23 | 2021-08-24 | 山东国基泰祥汽车部件有限公司 | Rebound gasket differential mechanism on drive axle assembly |
-
2018
- 2018-11-12 CN CN201821861790.2U patent/CN209524057U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294506A (en) * | 2021-06-23 | 2021-08-24 | 山东国基泰祥汽车部件有限公司 | Rebound gasket differential mechanism on drive axle assembly |
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