CN208634306U - A kind of differential mechanism - Google Patents
A kind of differential mechanism Download PDFInfo
- Publication number
- CN208634306U CN208634306U CN201820915538.9U CN201820915538U CN208634306U CN 208634306 U CN208634306 U CN 208634306U CN 201820915538 U CN201820915538 U CN 201820915538U CN 208634306 U CN208634306 U CN 208634306U
- Authority
- CN
- China
- Prior art keywords
- planetary gear
- differential
- differential casing
- gear
- axis 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.)
- Active
Links
Landscapes
- General Details Of Gearings (AREA)
- Retarders (AREA)
Abstract
The utility model discloses a kind of differential mechanism, including differential casing, two axle shaft gears, two planetary gears and planetary gear shaft；It is spherical hollow space in differential carrier body, differential casing both ends are respectively equipped with half axis hole communicated with spherical hollow space, the straight oil groove longitudinally extended is distributed on half shaft hole inner wall；Axle shaft gear and planetary gear are located in spherical hollow space and are engaged；Two planetary gears are fixedly connected on the both ends of planetary gear shaft, and planetary gear shaft is connected on differential casing；Two axle shaft gears are connected separately with a side gear shaft, and two-semiaxle gear shaft passes through half axis hole respectively and stretches out differential casing；Planetary gear and planetary gear shaft connection place are equipped with oil storage tank；Differential casing ring flange end is equipped at least one oil duct；On differential casing outer wall, at the link position of face spherical surface inner cavity and half axis hole, it is provided with a pair of bearings disassembly clamping short slot, and be symmetrical arranged in the axis two sides of half axis hole；Differential mechanism failure rate is low and can reduce the cost of overhaul.
Description
Technical field
The utility model relates to mechanical structure fields, and in particular to a kind of differential mechanism.
Background technique
Differential assembly by differential casing, planetary gear, axle shaft gear, spiral bevel gear and planetary gear shaft assemble and
At.Differential casing serves as planetary wheel carrier, and planetary gear, axle shaft gear and planetary gear shaft are mounted in differential carrier body.Difference
Fast device shell generallys use integrally casting shaping, and inner cavity is provided in the middle part of differential casing for accommodating planetary gear and half
Shaft gear, the both ends of differential casing are provided with half axis hole communicated with inner cavity for installing semiaxis.
Main problem existing for existing structure is: because of meshing problem, torque unreasonable distribution occurs for tempo turn often
Phenomenon generates abnormal sound in the process of moving, and dismantles difficult, cost of overhaul height.
Utility model content
In view of this, the failure rate of the differential mechanism is low this application provides a kind of differential mechanism, the cost of overhaul can be reduced.
In order to solve the above technical problems, technical solution provided by the utility model is a kind of differential mechanism, including differential carrier
Body (7), two axle shaft gears (3), two planetary gears (1) and planetary gear shaft (5)；It is ball in the differential casing (7)
Shape cavity, differential casing (7) both ends are respectively equipped with half axis hole (1a) communicated with spherical hollow space, half axis hole (1a)
The straight oil groove (1b) longitudinally extended is distributed on inner wall；The axle shaft gear (3) and the planetary gear (1) are located at spherical hollow space
It is interior and be engaged；Two planetary gears (1) are fixedly connected on the both ends of the planetary gear shaft (5), the planet tooth
Wheel shaft (5) is fixedly connected on the differential casing (7)；Described two axle shaft gears (3) are connected separately with an axle shaft gear
Axis (10), two side gear shafts (10) stretch out the differential casing (7) by half axis hole (1a) respectively；
The axle shaft gear (3) is in the planetary gear (1) and often engages seamless state；
The planetary gear (1) and the planetary gear shaft (5) junction are equipped with oil storage tank (9)；
Differential casing (7) the ring flange end is equipped at least one oil duct (8), and the oil duct (8) is connected to the differential
Device shell (7) inner and outer ends form lubricant oil way；
On the differential casing (7) outer wall, at the link position of face spherical surface inner cavity and half axis hole (1a), if
It is equipped with a pair of bearings disassembly clamping short slot (1c), and is symmetrical arranged in the axis two sides of half axis hole (1a)；
It further include flexible gasket, the elastomeric pad includes axle shaft gear gasket (4) and planet gear pad (2),
In: the axle shaft gear gasket (4) is located on the axle shaft gear (3) step, and the planet gear pad (2) is located at described
Gap location between planetary gear (1) and the differential casing (7).
Preferably, axle shaft gear gasket (4) the end slope angle is 3.0 degree, and slant range is 0.65 millimeter.
Preferably, the oil duct (8) is symmetrically arranged with two about the differential casing (7) ring flange end axle center.
Preferably, planetary gear shaft (5) surface is coated with nickel layer.
Preferably, the axle shaft gear gasket (4) and the planet gear pad (2) material are 50CrV4 spring steel
Plate.
Preferably, the outer end face border at differential casing (7) the ring flange end is equipped with multiple semicircular recess (12).
Preferably, the semicircular recess (12) is equipped with 6, along the differential casing (7) ring flange end annular array
Setting.
It is preferably, uniformly distributed on each half axis hole (1a) inner wall that there are three straight oil groove (1b).
Compared with prior art, detailed description are as follows by the application:
1, planetary gear and planetary gear shaft connection place are equipped with oil storage tank, so that differential mechanism is during differential works, planet
Gear is adequately lubricated, and is eliminated the thermal energy that instantaneous sliding motion friction generates rapidly, is reduced and generate the glued opportunity of friction, thus
The failure rate of differential mechanism is reduced, the cost of overhaul is reduced.
2, oil duct connection differential casing inner and outer ends form lubricant oil way；Part in shell is set to obtain good profit
It is sliding, the failure rate of differential mechanism is reduced, the cost of overhaul is reduced.
3, axle shaft gear, planetary gear are in meshing state, to reduce by two elastomeric pad elastic reactions always
Noise in running car.
4, it is provided with straight oil groove on half shaft hole inner wall, is formed in casting process, structure is simple, reduces the cost of overhaul.
5, it on differential casing outer wall, at the link position of face spherical surface inner cavity and half axis hole, adds a pair of bearings and tears open
Clamping short slot is unloaded, clamping end of the vacating space for bearing extractor is protruded into, and is greatly facilitated the disassembly of bearing, is reduced maintenance
Cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model differential mechanism schematic view of the front view；
Fig. 2 is the utility model differential mechanism present invention looks up structural representation；
Fig. 3 is the utility model axle shaft gear gasket positive structure diagram；
Fig. 4 be in Fig. 2 Z-Z to cross-sectional view；
Fig. 5 is partial enlargement structural representation at A in Fig. 3.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, below with reference to specific implementation
The utility model is described in further detail for example.
As shown in fig. 1~fig. 5, the utility model provides a kind of differential mechanism, including 7, two half axle gears of differential casing
Take turns 3, two planetary gears 1 and planetary gear shaft 5；It is spherical hollow space, 7 liang of the differential casing in the differential casing 7
End is respectively equipped with the half axis hole 1a communicated with spherical hollow space, and the straight oil groove longitudinally extended is distributed on the half axis hole 1a inner wall
1b；The axle shaft gear 3 and the planetary gear 1 are located in spherical hollow space and are engaged；Two planetary gears 1 are fixed
The both ends of the planetary gear shaft 5 are connected to, the planetary gear shaft 5 is fixedly connected on the differential casing 7；Described two
A axle shaft gear 3 is connected separately with a side gear shaft 10, and two side gear shafts 10 are stretched by the half axis hole 1a respectively
The differential casing 7 out；The axle shaft gear 3 is in the planetary gear 1 and often engages seamless state；The planet tooth
Wheel 1 is equipped with oil storage tank 9 with 5 junction of planetary gear shaft；The 7 ring flange end of differential casing is equipped at least one oil duct
8, the oil duct 8 is connected to 7 inner and outer ends of differential casing and forms lubricant oil way；In 7 outer wall of differential casing
On, at the link position of face spherical surface inner cavity and the half axis hole 1a, it is provided with a pair of bearings disassembly clamping short slot 1c, and in institute
The axis two sides for stating half axis hole 1a are symmetrical arranged；It further include flexible gasket, the elastomeric pad includes 4 He of axle shaft gear gasket
Planet gear pad 2, in which: the axle shaft gear gasket 4 is located on 3 step of axle shaft gear, the planet gear pad 2
The gap location between the planetary gear 1 and the differential casing 7.
As shown in fig. 1~fig. 5, in a specific embodiment of the present invention, the 4 end slope angle of axle shaft gear gasket
Degree is 3.0 degree, and slant range is 0.65 millimeter.The oil duct 8 is symmetrically set about the 7 ring flange end axle center of differential casing
There are two.5 surface of planetary gear shaft is coated with nickel layer.The axle shaft gear gasket 4 and 2 material of the planet gear pad are equal
For 50CrV4 steel spring plate.The outer end face border at the 7 ring flange end of differential casing is equipped with 6 semicircular recess 12, along institute
State the setting of 7 ring flange end annular array of differential casing.It is uniformly distributed on each half axis hole 1a inner wall that there are three straight oil groove 1b.
Above are merely preferred embodiments of the utility model, it is noted that above-mentioned preferred embodiment should not regard
For limitations of the present invention, the protection scope of the utility model should be defined by the scope defined by the claims..For
For those skilled in the art, without departing from the spirit and scope of the utility model, it can also make several
Improvements and modifications, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of differential mechanism, which is characterized in that including differential casing (7), two axle shaft gears (3), two planetary gears (1)
With planetary gear shaft (5)；Be spherical hollow space in the differential casing (7), differential casing (7) both ends be respectively equipped with
The straight oil groove (1b) longitudinally extended is distributed on half axis hole (1a) inner wall in half axis hole (1a) that spherical hollow space communicates；It is described
Axle shaft gear (3) and the planetary gear (1) are located in spherical hollow space and are engaged；Two planetary gears (1) are fixed
The both ends of the planetary gear shaft (5) are connected to, the planetary gear shaft (5) is fixedly connected on the differential casing (7)；
Described two axle shaft gears (3) are connected separately with a side gear shaft (10), and two side gear shafts (10) pass through institute respectively
It states half axis hole (1a) and stretches out the differential casing (7)；
The axle shaft gear (3) is in the planetary gear (1) and often engages seamless state；
The planetary gear (1) and the planetary gear shaft (5) junction are equipped with oil storage tank (9)；
Differential casing (7) the ring flange end is equipped at least one oil duct (8), and the oil duct (8) is connected to the differential carrier
Body (7) inner and outer ends form lubricant oil way；
On the differential casing (7) outer wall, at the link position of face spherical surface inner cavity and half axis hole (1a), it is provided with
A pair of bearings disassembly clamping short slot (1c), and be symmetrical arranged in the axis two sides of half axis hole (1a)；
It further include flexible gasket, the elastomeric pad includes axle shaft gear gasket (4) and planet gear pad (2), in which: institute
It states axle shaft gear gasket (4) to be located on the axle shaft gear (3) step, the planet gear pad (2) is located at the planet tooth
Take turns gap location between (1) and the differential casing (7).
2. differential mechanism according to claim 1, which is characterized in that axle shaft gear gasket (4) the end slope angle is
3.0 degree, slant range is 0.65 millimeter.
3. differential mechanism according to claim 2, which is characterized in that the oil duct (8) is about the differential casing (7) method
Blue disk end axle center is symmetrically arranged with two.
4. differential mechanism according to claim 1, which is characterized in that planetary gear shaft (5) surface is coated with nickel layer.
5. differential mechanism according to claim 4, which is characterized in that the axle shaft gear gasket (4) and the planetary gear
Gasket (2) material is 50CrV4 steel spring plate.
6. differential mechanism according to claim 1, which is characterized in that the outer end face at differential casing (7) the ring flange end
Border is equipped with multiple semicircular recess (12).
7. differential mechanism according to claim 6, which is characterized in that the semicircular recess (12) is equipped with 6, along the difference
Fast device shell (7) ring flange end annular array setting.
8. differential mechanism according to claim 1, which is characterized in that there are three uniformly distributed on each half axis hole (1a) inner wall
Straight oil groove (1b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820915538.9U CN208634306U (en) | 2018-06-13 | 2018-06-13 | A kind of differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820915538.9U CN208634306U (en) | 2018-06-13 | 2018-06-13 | A kind of differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208634306U true CN208634306U (en) | 2019-03-22 |
Family
ID=65735063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820915538.9U Active CN208634306U (en) | 2018-06-13 | 2018-06-13 | A kind of differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208634306U (en) |
Cited By (2)
| 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 |
| CN113958681A (en) * | 2021-09-28 | 2022-01-21 | 东风汽车零部件(集团)有限公司刃量具分公司 | Large helical angle gear type limited slip differential |
-
2018
- 2018-06-13 CN CN201820915538.9U patent/CN208634306U/en active Active
Cited By (3)
| 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 |
| CN113958681A (en) * | 2021-09-28 | 2022-01-21 | 东风汽车零部件(集团)有限公司刃量具分公司 | Large helical angle gear type limited slip differential |
| CN113958681B (en) * | 2021-09-28 | 2024-05-28 | 东风汽车零部件(集团)有限公司刃量具分公司 | Large helical angle gear type limited slip differential |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207049282U (en) | One kind is without sideshake differential assembly | |
| CN208634306U (en) | A kind of differential mechanism | |
| CN106352024A (en) | Single-eccentric short transmission chain speed reducer | |
| CN214367583U (en) | Differential mechanism assembly and drive axle | |
| CN206000853U (en) | A kind of large-scale ball bearing | |
| CN215980767U (en) | Miniaturized lightweight second grade planetary reducer | |
| CN211175311U (en) | Planet pin shaft and speed reducer | |
| CN209262190U (en) | A kind of automobile-used differential cross pin with oil groove | |
| CN209634170U (en) | Commercial vehicle driving or dead axle wheel end bearing oil/grease lubricate sealing mechanism | |
| CN210715871U (en) | Differential lubrication system | |
| CN208457120U (en) | Planetary reduction gear and transmission system | |
| CN220416147U (en) | Novel differential mechanism structure | |
| CN207935360U (en) | Gear-box and bogie with it | |
| CN207539285U (en) | Transmission device, the stereo garage including the transmission device and the vehicles | |
| CN215110335U (en) | Three-stage speed reducer | |
| CN110195777A (en) | A kind of differential lubrication system | |
| CN203926666U (en) | Automobile and speed reducer thereof | |
| CN201836237U (en) | Modified driving gear bearing block | |
| CN211493540U (en) | Driving front axle assembly | |
| CN208252715U (en) | The connection structure of loading machine stabilized shaft gearbox gear and axis | |
| CN209676074U (en) | A kind of claw-pole permanent magnet synchronization decelerating motor | |
| CN216242127U (en) | Novel tractor front drive axle integral type differential mechanism structure | |
| CN212004178U (en) | Semi-direct-drive wind power gear box | |
| CN201973121U (en) | Universal joint for bearing with shaft sealing structure | |
| CN113606323B (en) | Lubricating device of alternative operation type RV reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230811 Granted publication date: 20190322 |