CN106763636A - Differential mechanism - Google Patents
Differential mechanism Download PDFInfo
- Publication number
- CN106763636A CN106763636A CN201710118353.5A CN201710118353A CN106763636A CN 106763636 A CN106763636 A CN 106763636A CN 201710118353 A CN201710118353 A CN 201710118353A CN 106763636 A CN106763636 A CN 106763636A
- Authority
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- China
- Prior art keywords
- gear
- central gear
- right central
- frame assembly
- cylindrical
- 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.)
- Pending
Links
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears
-
- 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
- F16H48/00—Differential gearings
- F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
-
- 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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears
- F16H2048/106—Differential gearings with gears having orbital motion with orbital spur gears characterised by two sun gears
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
A kind of differential mechanism, including differential mechanism sided pyramidal gear, input gear, planetary gearsets and the left and right central gear positioned at same axis that frame assembly and frame assembly are fixed, the left and right central gear is roller gear, the planetary gearsets are a pair intermeshing cylindrical planetary gears, the axis of cylindrical planetary gear is parallel with left and right central gear axis, one of cylindrical planetary gear is engaged with left central gear, and another cylindrical planetary gear is engaged with right central gear；Support shaft is provided between the central gear of left and right, the support shaft two ends to be inserted formed in the hole of left and right central gear respectively and rotate secondary, and axial limiting is carried out to left and right central gear while the inner chamber of frame assembly supports left and right central gear.Its advantage is because central gear and planetary gear seed collecting cylindrical gear are driven so that automobile turning flexibly, reduces abrasion, improves running car efficiency, can also realize differential lock function.
Description
Technical field
The present invention relates to mechanical engineering technical field, more particularly to a kind of differential mechanism.
Background technology
The structure of current differential mechanism is utilized in installing bevel gear on a pair of output shafts substantially, and planetary gear is also umbrella tooth
Wheel, this kind of structure, because all with bevel gear, bevel gear can be outwardly against when in the big operating mode of stress（Such as go up a slope work）When,
The pressure of bevel gear and epipolar restriction will become big, cause the abrasion of automobile to increase, and consume the power of engine, have impact on
The flexibility ratio of automobile turning, also can produce huge extruding force to framework, cause parts damages.
The content of the invention
It is an object of the invention to provide a kind of defect for overcoming bevel gear structure differential mechanism so that automobile turning flexibly,
Reduce abrasion, improve running car efficiency, can also realize the differential mechanism of differential lock function.
Solution of the invention is such：
A kind of differential mechanism, including differential mechanism sided pyramidal gear, input gear, the planet that frame assembly and frame assembly are fixed
Gear train and the left and right central gear positioned at same axis, the left and right central gear are roller gear, the planetary gearsets
It is a pair intermeshing cylindrical planetary gears, the axis of cylindrical planetary gear is parallel with left and right central gear axis, its
In a cylindrical planetary gear engaged with left central gear, another cylindrical planetary gear is engaged with right central gear.
More specifically technical scheme also includes：Support shaft, the support shaft two are provided between the left and right central gear
End is inserted to be formed in the hole of left and right central gear respectively and rotates secondary, while the inner chamber of frame assembly supports left and right central gear
Axial limiting is carried out to left and right central gear.
Further：The frame assembly is the structure that left and right framework is fastenedly connected using connector, wherein with left frame
The positioning element that oriented frame assembly inner chamber is stretched into, the positioning element withstands support shaft and support shaft is positioned.
A kind of differential mechanism of locking locking apparatus, including the differential mechanism sided pyramidal tooth that frame assembly and frame assembly are fixed
Wheel, input gear, planetary gearsets and the left and right central gear positioned at same axis, the left and right central gear are Cylinder Gear
Wheel, the planetary gearsets are a pair intermeshing cylindrical planetary gears, and the axis of cylindrical planetary gear is with left and right too
Positive Gear axis are parallel, and one of cylindrical planetary gear is engaged with left central gear, another cylindrical planetary gear with
Right central gear engagement；The frame assembly is provided with lockable mechanism, the lockable mechanism is locked any one in latched position
Individual cylindrical planetary gear so that the cylindrical planetary gear is not rotated, in off-position, with the cylindrical planetary gear point
From so that the cylindrical gear is released rotation.
More specifically technical scheme also includes：Described lockable mechanism includes being connected to one of cylindrical planetary gear
Rotary shaft on lock half tooth and drive half tooth to carry out the pulling part of clutch along rotary shaft movement, when pulling part toggles it to lock position
When, half tooth moves to the position engaged with cylindrical planetary gear, and locking is carried out to cylindrical planetary gear, when pulling part is toggled it to
During off-position, half tooth moves to the position for cylindrical planetary gear separate, and cylindrical planetary gear is released rotation.
Further：Support shaft is provided between the left and right central gear, left and right is inserted at the support shaft two ends respectively
Formed in the hole of central gear and rotate secondary, to left and right central gear while the inner chamber of frame assembly supports left and right central gear
Carry out axial limiting.
Further：The frame assembly is the structure that left and right framework is fastenedly connected using connector, wherein with left frame
The positioning element that oriented frame assembly inner chamber is stretched into, the positioning element withstands support shaft and support shaft is positioned.
It is an advantage of the invention that because central gear and planetary gear seed collecting cylindrical gear are driven so that automobile
Turn flexible, reduce abrasion, improve running car efficiency, can also realize differential lock function.
Brief description of the drawings
Fig. 1 is the structural representation of differential mechanism of the present invention.
Fig. 2 is the structural representation of left frame of the present invention 8.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the attachment structure schematic diagram of planetary gearsets and left and right central gear.
Fig. 5 is the mounting structure schematic diagram of planetary gearsets.
Fig. 6 is transmission schematic diagram of the invention.
Fig. 7 is the structural representation of the differential lock of this oolemma locking system.
Reference is in figure：Differential mechanism sided pyramidal gear 1, correct frame 2, right bearing 3, right central gear 4, support shaft
5th, left central gear 6, left bearing 7, left frame 8, bolt 9, input gear 10, the first cylindrical planetary gear 11, the second cylinder
Shape planetary gear 12, support shaft 13, pull bar 14, half gear 15.
Specific embodiment
As shown in figure 1, differential mechanism of the invention includes frame assembly, frame assembly is passed through using left frame 8, correct frame 2
Fixing bolt 9 tightens fixation and forms, and frame assembly is fixed with differential mechanism sided pyramidal gear 1, input gear 10, planetary gearsets
And left central gear 6, right central gear 4 positioned at same axis, the left central gear 6, right central gear 4 are Cylinder Gear
Wheel；As shown in Figure 4,5, the planetary gearsets are symmetrical using two pairs；Each pair planetary gearsets are using the first cylindrical row
Star gear 11, the second cylindrical planetary gear 12 are intermeshed, the first cylindrical planetary gear 11, the second cylindrical planetary gear
12 axis and left central gear 6, the diameter parallel of right central gear 4, wherein the first cylindrical planetary gear 11 and left sun tooth
Wheel 6 is engaged, and the second cylindrical planetary gear 12 is engaged with right central gear 4.
As shown in Figure 1,5, support shaft 5, the two ends of the support shaft 5 are provided between left central gear 6, right central gear 4
Left central gear 6 being inserted respectively, being formed in the hole of right central gear 4 and is rotated secondary, left sun tooth is supported in the inner chamber of frame assembly
Support shaft 5 is withstood by the location division A of left frame 8 while wheel 6, right central gear 4, to left central gear 6, right central gear 4
Axial limiting is carried out, the structure of left frame is as shown in Figure 2,3.
As shown in fig. 6, the drive line of said structure is：Input gear 10 transfers power to differential mechanism sided pyramidal tooth
Wheel 1, drives frame assembly to rotate, and the first cylindrical planetary gear 11, the rotating shaft of the second cylindrical planetary gear 12 are due to fixation
In frame assembly, after frame assembly is rotated, the first cylindrical planetary gear 11,12 turns of the second cylindrical planetary gear are driven
Dynamic, wherein the first cylindrical planetary gear 11 drives left central gear 6 to rotate, the second cylindrical planetary gear 12 drives the right sun
Gear 4 is rotated, and power is exported to two ends respectively from left central gear 6, right central gear 4, realizes the function of differential mechanism.
The differential mechanism of locking locking apparatus as depicted, including frame assembly, frame assembly use left frame 8, correct frame 2
Fixation is tightened by fixing bolt 9 to form, frame assembly is fixed with differential mechanism sided pyramidal gear 1, input gear 10, planet tooth
Wheel group and the left central gear 6 positioned at same axis, right central gear 4, the left central gear 6, right central gear 4 are circle
Stud wheel, the planetary gearsets are symmetrical using two pairs；Each pair planetary gearsets use the first cylindrical planetary gear
11st, the second cylindrical planetary gear 12 is intermeshed, the first cylindrical planetary gear 11, the axle of the second cylindrical planetary gear 12
Line and left central gear 6, the diameter parallel of right central gear 4, wherein the first cylindrical planetary gear 11 is nibbled with left central gear 6
Close, the second cylindrical planetary gear 12 is engaged on the frame assembly and is provided with lockable mechanism, the locking with right central gear 4
Mechanism in latched position, locked first cylindrical planetary gear 11 or the second cylindrical planetary gear 12 so that the cylinder
Planetary gear is not rotated, you can locking differential；When lockable mechanism is in off-position, lockable mechanism and the cylindrical planetary
Gear is separated so that the cylindrical gear is released rotation.Lockable mechanism in the present embodiment includes being connected to one of them
Locking half tooth and driving half tooth to be moved along rotary shaft in the rotary shaft of cylindrical planetary gear carries out the pulling part of clutch, works as pulling part
When toggling it to lock position, half tooth moves to the position engaged with cylindrical planetary gear, and cylindrical planetary gear is locked
Only, when pulling part toggles it to off-position, half tooth moves to the position for cylindrical planetary gear separate, cylindrical planetary gear
It is released rotation.
The differential mechanism of a kind of locking locking apparatus as shown in Figure 7, including frame assembly, frame assembly is using left frame 8, the right side
Framework 2 tightens fixation and forms by fixing bolt 9, and frame assembly is fixed with differential mechanism sided pyramidal gear 1, input gear 10,
Planetary gearsets and the left central gear 6 positioned at same axis, right central gear 4, the left central gear 6, right central gear 4
It is roller gear；As shown in Figure 4,5, the planetary gearsets are symmetrical using two pairs；Each pair planetary gearsets use
One cylindrical planetary gear 11, the second cylindrical planetary gear 12 are intermeshed, the first cylindrical planetary gear 11, the second cylinder
The axis of shape planetary gear 12 and left central gear 6, the diameter parallel of right central gear 4, wherein the first cylindrical planetary gear 11
Engaged with left central gear 6, the second cylindrical planetary gear 12 is engaged with right central gear 4, the first cylindrical planetary gear 11,
The two ends of support shaft 13 of the second cylindrical planetary gear 12 are individually fixed in correct frame 2, left frame 8.
As shown in fig. 7, be provided with lockable mechanism in the frame assembly, the lockable mechanism in latched position, locked
One cylindrical planetary gear of meaning so that the cylindrical planetary gear is not rotated, in off-position, with the cylindrical planetary gear
Separate so that the cylindrical gear is released rotation.The structure of the present embodiment lockable mechanism is as shown in fig. 7, the second cylinder
The support shaft 13 of planetary gear 12 is socketed with half gear 15, by the position of the gear 15 of mobile drive half of pull bar 14, shown in Fig. 7
Position be pull bar 14 be moved to the left to half gear 15 with when the position that engages of the second cylindrical planetary gear 12, now, second justifies
Cylindricality planetary gear 12 is locked out after being engaged with half gear 15 and does not rotate, constitutes the differential mechanism of locking locking apparatus；When pull bar 14 to
The position with the second cylindrical planetary gear 12 separate to half gear 15 is moved right, the second cylindrical planetary gear 12 can be free
Rotate, as differential design.State shown in Fig. 7 is lockup state；If half gear 15 is pulled and the second cylinder by pull bar 14
Shape planetary gear 12 is separated, and is the structure of differential mechanism.
Remaining structure of the differential mechanism of the locking locking apparatus of the present invention is identical with the structure of differential mechanism of the present invention, is not repeated
It is bright.
Locking system of the invention is only one embodiment, it would however also be possible to employ various locking systems, as long as can justify to first
Any one of the cylindrical planetary gear 12 of cylindricality planetary gear 11 or second carries out locking, is design model of the invention
Enclose.
Claims (7)
1. differential mechanism sided pyramidal gear that a kind of differential mechanism, including frame assembly and frame assembly are fixed, input gear, OK
Star gear train and the left and right central gear positioned at same axis, it is characterised in that：The left and right central gear is roller gear, institute
Planetary gearsets are stated for a pair intermeshing cylindrical planetary gears, axis and the left and right central gear of cylindrical planetary gear
Diameter parallel, one of cylindrical planetary gear is engaged with left central gear, another cylindrical planetary gear and the right sun
Gear is engaged.
2. differential mechanism according to claim 1, it is characterised in that：Support shaft is provided between the left and right central gear,
The support shaft two ends to be inserted formed in the hole of left and right central gear respectively and rotate secondary, in the inner chamber support left and right of frame assembly too
Axial limiting is carried out to left and right central gear while positive gear.
3. differential mechanism according to claim 2, it is characterised in that：The frame assembly is left and right framework tight using connector
The structure being solidly connected, wherein the positioning element stretched into the oriented frame assembly inner chamber of left frame, the positioning element withstands support shaft
Support shaft is positioned.
4. a kind of differential mechanism of locking locking apparatus, it is characterised in that：Including the differential mechanism side that frame assembly and frame assembly are fixed
Face angular wheel, input gear, planetary gearsets and the left and right central gear positioned at same axis, it is characterised in that：The left side
Right central gear is roller gear, and the planetary gearsets are a pair intermeshing cylindrical planetary gears, cylindrical planetary
The axis of gear is parallel with left and right central gear axis, and one of cylindrical planetary gear is engaged with left central gear, another
Individual cylindrical planetary gear is engaged with right central gear；The frame assembly is provided with lockable mechanism, the lockable mechanism exists
Latched position, locked any one cylindrical planetary gear so that the cylindrical planetary gear is not rotated, in off-position, with
The cylindrical planetary gear is separated so that the cylindrical gear is released rotation.
5. the differential mechanism of locking locking apparatus according to claim 4, it is characterised in that：Described lockable mechanism includes connection
Clutch is carried out in locking half tooth and driving half tooth to be moved along rotary shaft in the rotary shaft of one of cylindrical planetary gear
Pulling part, when pulling part toggles it to lock position, half tooth moves to the position engaged with cylindrical planetary gear, to cylindrical planetary
Gear carries out locking, and when pulling part toggles it to off-position, half tooth moves to the position for cylindrical planetary gear separate, cylinder
Shape planetary gear is released rotation.
6. the differential mechanism of locking locking apparatus according to claim 4, it is characterised in that：Set between the left and right central gear
Support shaft is equipped with, the support shaft two ends to be inserted formed in the hole of left and right central gear respectively and rotate secondary, in frame assembly
Axial limiting is carried out to left and right central gear while the support left and right central gear of chamber.
7. the differential mechanism of locking locking apparatus according to claim 4, it is characterised in that：The frame assembly is left and right framework
The structure being fastenedly connected using connector, wherein the positioning element stretched into the oriented frame assembly inner chamber of left frame, the location division
Part withstands support shaft and support shaft is positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118353.5A CN106763636A (en) | 2017-03-01 | 2017-03-01 | Differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118353.5A CN106763636A (en) | 2017-03-01 | 2017-03-01 | Differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106763636A true CN106763636A (en) | 2017-05-31 |
Family
ID=58959588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710118353.5A Pending CN106763636A (en) | 2017-03-01 | 2017-03-01 | Differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763636A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412981A (en) * | 2018-04-19 | 2018-08-17 | 广东机电职业技术学院 | A kind of planet gear type differential mechanism |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030195077A1 (en) * | 2002-04-16 | 2003-10-16 | Liu Yen Hsiang | Planetary differential gear |
| CN101900194A (en) * | 2010-08-27 | 2010-12-01 | 魏家斌 | Differential |
| CN202091468U (en) * | 2011-05-30 | 2011-12-28 | 杨宇 | Slip-limiting differential mechanism |
| CN102720820A (en) * | 2011-03-30 | 2012-10-10 | 张维国 | Difference-adjusting differential for wheelchair |
| CN103244636A (en) * | 2013-05-29 | 2013-08-14 | 长城汽车股份有限公司 | Differential mechanism and automobile provided with same |
| CN205331352U (en) * | 2016-01-21 | 2016-06-22 | 杭叉集团股份有限公司 | Spur gear differential mechanism |
| CN206539674U (en) * | 2017-03-01 | 2017-10-03 | 周献生 | Differential mechanism |
-
2017
- 2017-03-01 CN CN201710118353.5A patent/CN106763636A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030195077A1 (en) * | 2002-04-16 | 2003-10-16 | Liu Yen Hsiang | Planetary differential gear |
| CN101900194A (en) * | 2010-08-27 | 2010-12-01 | 魏家斌 | Differential |
| CN102720820A (en) * | 2011-03-30 | 2012-10-10 | 张维国 | Difference-adjusting differential for wheelchair |
| CN202091468U (en) * | 2011-05-30 | 2011-12-28 | 杨宇 | Slip-limiting differential mechanism |
| CN103244636A (en) * | 2013-05-29 | 2013-08-14 | 长城汽车股份有限公司 | Differential mechanism and automobile provided with same |
| CN205331352U (en) * | 2016-01-21 | 2016-06-22 | 杭叉集团股份有限公司 | Spur gear differential mechanism |
| CN206539674U (en) * | 2017-03-01 | 2017-10-03 | 周献生 | Differential mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412981A (en) * | 2018-04-19 | 2018-08-17 | 广东机电职业技术学院 | A kind of planet gear type differential mechanism |
| CN108412981B (en) * | 2018-04-19 | 2023-06-20 | 广东机电职业技术学院 | Planetary gear type differential mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |