CN205298457U - Differential mechanism subassembly - Google Patents
Differential mechanism subassembly Download PDFInfo
- Publication number
- CN205298457U CN205298457U CN201620104365.3U CN201620104365U CN205298457U CN 205298457 U CN205298457 U CN 205298457U CN 201620104365 U CN201620104365 U CN 201620104365U CN 205298457 U CN205298457 U CN 205298457U
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- China
- Prior art keywords
- gear
- housing
- planetary gear
- pad
- axle shaft
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Abstract
The utility model provides a differential mechanism subassembly belongs to vehicle accessory technical field. It has solved the lubricated effect subalternation problem of current differential mechanism. This differential mechanism subassembly includes the casing, left side differential side gear, right side differential side gear, upper satellite gear, lower satellite gear and cylindric lock, upper satellite gear, lower satellite gear meshes in left differential side gear and right differential side gear jointly, the cylindric lock passes upper satellite gear and lower satellite gear and links firmly mutually with the casing, the casing has been seted up and has been located left differential side gear and upper satellite gear, the left oil storage chamber of lower satellite gear meshing department, the casing has still been seted up and has been located right differential side gear and upper satellite gear, the right oil storage chamber of lower satellite gear meshing department, be equipped with left gasket between left side differential side gear and the casing, be equipped with right gasket between right side differential side gear and the casing, all be equipped with the lubricating structure who enables lubricating oil and get into on left side gasket and the right gasket. The utility model has the advantages of lubricated effectual, long service life.
Description
Technical field
The utility model belongs to vehicle body fittings technical field, it relates to a kind of differential assembly.
Background technology
Automobile differential can make left and right (or forward and backward) driving wheel realize with the mechanism of different rotating speeds rotation. Open differential mechanism is the most conventional, and primarily of left and right axle shaft gear, two sun and planet gear and gear frame composition, it can distribute the moment of torsion of equal size by two driving semiaxis to the left and right. During vehicle straight-line travelling, left and right wheels is equal by power, and two-semiaxle gear does not exist rotating speed difference, so rotation does not occur sun and planet gear, the driven gear ring of main reduction gear is equivalent to Direct driver two-semiaxle gear; By driving, semiaxis is connected axle shaft gear with wheel, and after therefore substantially passing a series of power transmission process, wheel obtains the identical rotating speed of gear ring driven with main reduction gear. When vehicle is turned, outboard wheels wishes to obtain the rotating speed higher than inboard wheel, and now sun and planet gear is got involved, and allows two-semiaxle gear to occur that slight rotating speed is poor while maintaining moment of torsion transmission.
Sun and planet gear in existing differential mechanism is all connected mutually by cylinder pin and differential mechanism shell, applicant finds in test process because the hardness of left and right axle shaft gear is higher than the hardness of differential mechanism shell, and during sun and planet gear engagement left and right axle shaft gear, left and right axle shaft gear all can produce to move axially, left and right axle shaft gear can collide differential mechanism outer casing inner wall, so differential mechanism shell is easily caused abrasion by left and right axle shaft gear, shorten work-ing life, and the lubricant effect at axle shaft gear place, left and right is not good, in addition in the past in order to locate, differential mechanism shell all has the some locating dowels protruded, when such differential mechanism shell is worked into locating dowel position, locating dowel can stop cutter, therefore withdrawing feed processing is more all needed repeatedly again, processing inconvenience, working (machining) efficiency is low.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, it provides the differential assembly of a kind of rational in infrastructure, high lubricating effect and long service life.
The purpose of this utility model realizes by following technical proposal: a kind of differential assembly, comprise housing, left half axle gear, right axle shaft gear, upper planetary gear, lower planetary gear and cylinder pin, described left half axle gear and right axle shaft gear are symmetrical set in housing, described upper planetary gear, lower planetary gear is engaged in left half axle gear and right axle shaft gear jointly, cylinder pin and is connected with housing through upper planetary gear mutually with lower planetary gear, it is characterized in that, described housing has been offered and has been positioned at left half axle gear and upper planetary gear, the left shoe cream room of lower planetary gear engagement place, housing has also been offered and has been positioned at right axle shaft gear and upper planetary gear, the right shoe cream room of lower planetary gear engagement place, left pad it is provided with between described left half axle gear and housing, it is provided with right pad between described right axle shaft gear and housing, described left pad and right pad are equipped with the lubrication system that lubricating oil can be made to enter.
This differential assembly is by the setting of left shoe cream room and right shoe cream room, make oil refill in left half axle gear, right axle shaft gear and upper planetary gear, lower planetary gear engagement place, the lubrication of engagement place is abundant, left pad and right pad play iris action in addition, avoid left half axle gear, right axle shaft gear abrasion housing, and lubrication system makes lubricating oil enter between left half axle gear, right axle shaft gear and housing, high lubricating effect, good operating stability.
In above-mentioned differential assembly, described lubrication system comprises on some the circumferential equally distributed oil-through holes one and right pad offered on left pad some the circumferential equally distributed oil-through holes two offered. Lubricating oil flows through oilhole one and enters left pad and left half axle gear, and lubricating oil flows through oilhole two and enters between right pad and right axle shaft gear, high lubricating effect.
In above-mentioned differential assembly, described left pad is provided with, towards the end face of left half axle gear, the oil groove one excessively being connected by oil-through hole one, and described right pad is provided with, towards the end of right axle shaft gear, the oil groove two excessively being connected by oil-through hole two. The amount of entering of such lubricating oil is more, and lubrication is fully.
In above-mentioned differential assembly, described housing having been offered some pilot holes, one of them pilot hole arranges through cylinder pin and is equipped with the spring pin of shrink-fit in this pilot hole. Pilot hole instead of conventional locating dowel, and such housing periphery is easy to process, spring pin be arranged so that cylinder pin fixation.
In above-mentioned differential assembly, described left half axle gear and right axle shaft gear all have male spline. It is convenient to install like this.
In above-mentioned differential assembly, described housing two ends are all arranged with bearing. Bearing plays supporting and damping effect, extends the work-ing life of housing.
Compared with prior art, the reasonable in design of this differential assembly is compact, can effectively avoid left half axle gear, right axle shaft gear to the abrasion of housing, extend work-ing life, and high lubricating effect, easy to maintenance, and processing is installed all convenient and swift in addition.
Accompanying drawing explanation
Fig. 1 is the structure cross-sectional schematic of this differential assembly.
Fig. 2 is the structural representation of left pad in this differential assembly.
Fig. 3 is the structural representation of right pad in this differential assembly.
In figure, 1, housing; 2, left half axle gear; 3, right axle shaft gear; 4, upper planetary gear; 5, lower planetary gear;6, cylinder pin; 7, left shoe cream room; 8, right shoe cream room; 9, left pad; 9a, oil-through hole one; 9b, excessively oil groove one; 10, right pad; 10a, oil-through hole two; 10b, excessively oil groove two; 11, pilot hole; 12, spring pin; 13, bearing.
Embodiment
The following is specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model is not limited to these embodiments.
As shown in Figure 1, this differential assembly comprises housing 1, left half axle gear 2, right axle shaft gear 3, upper planetary gear 4, lower planetary gear 5 and cylinder pin 6, left half axle gear 2 and right axle shaft gear 3 are symmetrical set in housing 1, upper planetary gear 4, lower planetary gear 5 is engaged in left half axle gear 2 and right axle shaft gear 3 jointly, cylinder pin 6 and is connected with housing 1 through upper planetary gear 4 mutually with lower planetary gear 5, housing 1 has been offered and has been positioned at left half axle gear 2 and upper planetary gear 4, the left shoe cream room 7 of lower planetary gear 5 engagement place, housing 1 has also been offered and has been positioned at right axle shaft gear 3 and upper planetary gear 4, the right shoe cream room 8 of lower planetary gear 5 engagement place, left pad 9 it is provided with between left half axle gear 2 and housing 1, right pad 10 it is provided with between right axle shaft gear 3 and housing 1, left pad 9 and right pad 10 are equipped with the lubrication system that lubricating oil can be made to enter.
Describe in detail further, as shown in Figures 2 and 3, lubrication system comprises on left pad 9 on three circumference equally distributed oil-through hole one 9a and right pad 10 that offer three circumference equally distributed oil-through hole two 10a offered, left pad 9 is provided with, towards the end face of left half axle gear 2, oil groove one 9b excessively being connected by oil-through hole one 9a, and right pad 10 is provided with, towards the end of right axle shaft gear 3, oil groove two 10b excessively being connected by oil-through hole two 10a.
In order to easy to process and installation, housing 1 has been offered some pilot holes 11, one of them pilot hole 11 arranges through cylinder pin 6 and is equipped with the spring pin 12 of shrink-fit in this pilot hole 11, and left half axle gear 2 and right axle shaft gear 3 all have male spline, and housing 1 two ends are all arranged with bearing 13.
This differential assembly is by the setting of left shoe cream room 7 and right shoe cream room 8, make oil refill in left half axle gear 2, right axle shaft gear 3 and upper planetary gear 4, lower planetary gear 5 engagement place, the lubrication of engagement place is abundant, left pad 9 and right pad 10 play iris action in addition, left half axle gear 2, right axle shaft gear 3 is avoided to wear and tear housing 1, and oil-through hole one 9a, cross oil groove one 9b, oil-through hole two 10a and cross oil groove two 10b make lubricating oil enter between left half axle gear 2, right axle shaft gear 3 and housing 1, high lubricating effect, good operating stability.
Specific embodiment described herein is only to the utility model spirit explanation for example. Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by the utility model person of ordinary skill in the field, but can't deviate spirit of the present utility model or surmount the scope that appended claims defines.
Claims (4)
1. a differential assembly, comprise housing (1), left half axle gear (2), right axle shaft gear (3), upper planetary gear (4), lower planetary gear (5) and cylinder pin (6), described left half axle gear (2) and right axle shaft gear (3) are symmetrical set in housing (1), described upper planetary gear (4), lower planetary gear (5) is engaged in left half axle gear (2) and right axle shaft gear (3) jointly, cylinder pin (6) and is connected with housing (1) through upper planetary gear (4) mutually with lower planetary gear (5), it is characterized in that, described housing (1) has been offered and has been positioned at left half axle gear (2) and upper planetary gear (4), the left shoe cream room (7) of lower planetary gear (5) engagement place, housing (1) has also been offered and has been positioned at right axle shaft gear (3) and upper planetary gear (4), the right shoe cream room (8) of lower planetary gear (5) engagement place, it is provided with left pad (9) between described left half axle gear (2) and housing (1), it is provided with right pad (10) between described right axle shaft gear (3) and housing (1), described left pad (9) and right pad (10) are equipped with the lubrication system that lubricating oil can be made to enter, described lubrication system comprises on some the circumferential equally distributed oil-through holes one (9a) and right pad (10) offered on left pad (9) some the circumferential equally distributed oil-through holes two (10a) offered, described left pad (9) is provided with, towards the end face of left half axle gear (2), the oil groove one (9b) excessively being connected by oil-through hole one (9a), described right pad (10) is provided with, towards the end of right axle shaft gear (3), the oil groove two (10b) excessively being connected by oil-through hole two (10a).
2. differential assembly according to claim 1, it is characterized in that, having offered some pilot holes (11) on described housing (1), one of them pilot hole (11) arranges through cylinder pin (6) and is equipped with the spring pin (12) of shrink-fit in this pilot hole (11).
3. differential assembly according to claim 1, it is characterised in that, described left half axle gear (2) and right axle shaft gear (3) all have male spline.
4. differential assembly according to claim 1, it is characterised in that, described housing (1) two ends are all arranged with bearing (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620104365.3U CN205298457U (en) | 2016-02-02 | 2016-02-02 | Differential mechanism subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620104365.3U CN205298457U (en) | 2016-02-02 | 2016-02-02 | Differential mechanism subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205298457U true CN205298457U (en) | 2016-06-08 |
Family
ID=56427553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620104365.3U Expired - Fee Related CN205298457U (en) | 2016-02-02 | 2016-02-02 | Differential mechanism subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205298457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953319A (en) * | 2019-12-24 | 2020-04-03 | 陕西法士特汽车传动集团有限责任公司 | Wear-resistant differential mechanism |
-
2016
- 2016-02-02 CN CN201620104365.3U patent/CN205298457U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953319A (en) * | 2019-12-24 | 2020-04-03 | 陕西法士特汽车传动集团有限责任公司 | Wear-resistant differential mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20220202 |