CN206539674U - Differential mechanism - Google Patents
Differential mechanism Download PDFInfo
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- CN206539674U CN206539674U CN201720193199.3U CN201720193199U CN206539674U CN 206539674 U CN206539674 U CN 206539674U CN 201720193199 U CN201720193199 U CN 201720193199U CN 206539674 U CN206539674 U CN 206539674U
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- gear
- central gear
- right central
- frame assembly
- cylindrical
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Abstract
A kind of differential mechanism, differential mechanism sided pyramidal gear, input gear, planetary gearsets and the left and right central gear positioned at same axis fixed including frame assembly, with frame assembly, the left and right central gear is roller gear, the planetary gearsets are a pair of 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 are inserted respectively forms revolute pair in the hole of left and right central gear, 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 due to that 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 utility model is related to mechanical engineering technical field, more particularly to a kind of differential mechanism.
Background technology
The structure of current differential mechanism is utilized on a pair of output shafts substantially installs bevel gear, and planetary gear is also umbrella tooth
Wheel, such a 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, consume the power of engine, have impact on
The flexibility ratio of automobile turning, huge extruding force can be also produced to framework, parts damages are caused.
Utility model content
The purpose of this utility model is just to provide a kind of defect for overcoming bevel gear structure differential mechanism so that automobile turning spirit
It is living, reduce abrasion, improve running car efficiency, can also realize the differential mechanism of differential lock function.
Solution of the present utility model is such：
A kind of differential mechanism, including frame assembly, with frame assembly fix differential mechanism sided pyramidal gear, input gear,
Planetary gearsets and the left and right central gear positioned at same axis, the left and right central gear are roller gear, the planet tooth
Wheel group is a pair of intermeshing cylindrical planetary gears, and axis and the left and right central gear axis of cylindrical planetary gear are put down
OK, one of cylindrical planetary gear is engaged with left central gear, and another cylindrical planetary gear is nibbled with right central gear
Close.
More specifically technical scheme also includes：Support shaft, the support shaft two are provided between the left and right central gear
End is inserted in the hole of left and right central gear and forms revolute pair respectively, while supporting left and right central gear in the inner chamber of frame assembly
Axial limiting is carried out to left and right central gear.
Further：The frame assembly is that left and right framework uses the structure that is fastenedly connected of 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 frame assembly, the differential mechanism sided pyramidal tooth with frame assembly fixation
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 of intermeshing cylindrical planetary gears, and the axis of cylindrical planetary gear and left and right are 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 along rotary shaft move carry out clutch pulling part, when pulling part toggles it to lock position
When, half tooth is moved to the position engaged with cylindrical planetary gear, locking is carried out to cylindrical planetary gear, when pulling part is toggled it to
During off-position, half tooth is moved to the position separated with cylindrical planetary gear, 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
Revolute pair is formed in the hole of central gear, 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 that left and right framework uses the structure that is fastenedly connected of 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.
The utility model has the advantages that 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.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model differential mechanism.
Fig. 2 is the structural representation of the utility model left frame 8.
Fig. 3 is Fig. 2 left view.
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 present utility model.
Fig. 7 is the structural representation of the differential lock of the locking locking apparatus of the utility model.
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.
Embodiment
As shown in figure 1, differential mechanism of the present utility model includes frame assembly, frame assembly uses 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 left central gear 6, right central gear 4 positioned at same axis, the left central gear 6, right central gear 4 are circle
Stud wheel；As shown in Figure 4,5, the planetary gearsets are symmetrical using two pairs；Each pair planetary gearsets use the first cylinder
Shape planetary gear 11, the second cylindrical planetary gear 12 are intermeshed, the first cylindrical planetary gear 11, the second cylindrical planetary
The axis of gear 12 and left central gear 6, the diameter parallel of right central gear 4, wherein the first cylindrical planetary gear 11 and a left side are too
Positive gear 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 support shaft 5 are provided between left central gear 6, right central gear 4
Left central gear 6 is inserted respectively, revolute pair is formed in the hole of right central gear 4, and 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, 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 is exported power to two ends respectively from left central gear 6, right central gear 4, is realized 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 left central gear 6, right central gear 4 positioned at same axis, 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 with right central gear 4 and is provided with lockable mechanism, the locking
Mechanism is 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
In the rotary shaft of cylindrical planetary gear lock half tooth and drive half tooth along rotary shaft move carry out clutch pulling part, work as pulling part
When toggling it to lock position, half tooth is moved 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 is moved to the position separated with cylindrical planetary gear, cylindrical planetary gear
It is released rotation.
A kind of differential mechanism 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 by fixing bolt 9 and formed, 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
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 second cylindrical planetary gear 12 are individually fixed in correct frame 2, left frame 8.
As shown in fig. 7, being provided with lockable mechanism in the frame assembly, the lockable mechanism is 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
Separation 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 not rotated, constitutes the differential mechanism of locking locking apparatus；When pull bar 14 to
The position separated to half gear 15 with the second cylindrical planetary gear 12 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 utility model is identical with the structure of differential mechanism of the present invention, no longer weighs
Multiple explanation.
Locking system of the present utility model is only one embodiment, it would however also be possible to employ various locking systems, as long as can be to
Any one of one cylindrical planetary gear 11 or the second cylindrical planetary gear 12 carry out locking, are the designs of the present invention
Scope.
Claims (7)
1. a kind of differential mechanism, including frame assembly, the differential mechanism sided pyramidal gear fixed with frame assembly, 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
It is a pair of intermeshing cylindrical planetary gears, axis and the left and right central gear of cylindrical planetary gear to state planetary gearsets
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 are inserted respectively forms revolute pair in the hole of left and right central gear, 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 that left and right framework is 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：The differential mechanism side fixed including frame assembly, with frame assembly
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 of 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, any one locked 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 is moved 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 is moved to the position separated with cylindrical planetary gear, 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 are inserted respectively forms revolute pair in the hole of left and right central gear, in frame assembly
Chamber carries out axial limiting while supporting left and right central gear to left and right central gear.
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 |
|---|---|---|---|
| CN201720193199.3U CN206539674U (en) | 2017-03-01 | 2017-03-01 | Differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720193199.3U CN206539674U (en) | 2017-03-01 | 2017-03-01 | Differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206539674U true CN206539674U (en) | 2017-10-03 |
Family
ID=59940671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720193199.3U Active CN206539674U (en) | 2017-03-01 | 2017-03-01 | Differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206539674U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763636A (en) * | 2017-03-01 | 2017-05-31 | 周献生 | Differential mechanism |
| CN111059248A (en) * | 2019-12-26 | 2020-04-24 | 绩溪县徽洋车桥有限责任公司 | Shock-proof type car gear device for axle |
-
2017
- 2017-03-01 CN CN201720193199.3U patent/CN206539674U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763636A (en) * | 2017-03-01 | 2017-05-31 | 周献生 | Differential mechanism |
| CN111059248A (en) * | 2019-12-26 | 2020-04-24 | 绩溪县徽洋车桥有限责任公司 | Shock-proof type car gear device for axle |
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