CN105485291B - Differential pinion gear structure and vehicle - Google Patents
Differential pinion gear structure and vehicle Download PDFInfo
- Publication number
- CN105485291B CN105485291B CN201610045712.4A CN201610045712A CN105485291B CN 105485291 B CN105485291 B CN 105485291B CN 201610045712 A CN201610045712 A CN 201610045712A CN 105485291 B CN105485291 B CN 105485291B
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- gear
- plate body
- shaft
- left half
- wheel
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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
- F16H48/08—Differential gearings with gears having orbital motion comprising bevel 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
- F16H48/38—Constructional details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The present invention provides a kind of differential pinion gear structure, including driven wheel, pinion frame, planetary gear, left half axle gear, right axle shaft gear, left half axle and right axle shaft, left half axle gear is arranged on left half axle, right axle shaft gear is arranged on right axle shaft, left half axle gear and right axle shaft gear are engaged with planetary gear respectively, planetary gear includes wheel shaft and is fixed at the gear of wheel shaft one end, the wheel shaft is rotatably arranged on pinion frame, pinion frame is arranged on the driven wheel, it is rotated synchronously with driven wheel, driven wheel is rotatably sleeved on left half axle or right axle shaft.Further relate to a kind of vehicle.The differential pinion gear structure and vehicle of the present invention, it is simple in structure, compact, a word axis or cross axle between two planetary gears are eliminated compared with conventional carrier, reduce the difficulty of processing, processing and manufacturing cost is greatly reduced, assembly is simpler, has good autgmentability and versatility.
Description
Technical field
The present invention relates to mechanical engineering technical field more particularly to a kind of differential pinion gear structure and vehicles.
Background technology
Differential mechanism is the important component of vehicle, it makes vehicle allow vehicle both sides in turning or in uneven road traveling
Semiaxis is rotated with different rotating speed, is met two sidecar wheels and is done Unequal distance traveling in the form of pure rolling as far as possible, reduce tire with
The friction on ground.Currently, differential pinion gear structure is generally mostly cross axle form or the solid axle construction of a word so that two
Planetary gear is bound up.Thus assembly process process can be brought less desirable, assembly difficulty is larger, for maintenance from now on
Also it is inconvenient, and cross axle or a word solid shafting permissible accuracy and manufacture processing cost are higher.
Invention content
Based on this, the purpose of the present invention is to provide a kind of differential pinion gear structure and vehicle, the differential spiders
The structure of gear structure is simple, compact, and difficulty of processing is low, reduces processing and manufacturing cost, assembles simpler, assembly process process
It is good.To achieve the above object, technical scheme is as follows：
A kind of differential pinion gear structure, including driven wheel, pinion frame, planetary gear, left half axle gear, right half
Shaft gear, left half axle and right axle shaft, the left half axle gear are arranged on the left half axle, and the right axle shaft gear is arranged in institute
It states on right axle shaft, the left half axle gear and the right axle shaft gear are engaged with the planetary gear respectively, the planetary gear
Including wheel shaft and the gear for being fixed at wheel shaft one end, the wheel shaft is rotatably arranged on the pinion frame, institute
It states pinion frame to be arranged on the driven wheel, be rotated synchronously with the driven wheel, the driven wheel is rotatably sleeved on
On the left half axle or the right axle shaft.
The differential pinion gear structure further includes bearing block, bearing and locking nut in one of the embodiments,
The bearing block is arranged on the pinion frame, and the bearing is arranged in the bearing block, the planetary wheel
Axle sleeve is set in the bearing, and one end far from the planetary gear is equipped with and the locking screw parent phase on the wheel shaft
The screw thread of cooperation, the wheel shaft are threadedly coupled with the locking nut.
The differential pinion gear structure further includes gland in one of the embodiments, the gland fixed setting
On the bearing block, the bearing is placed between the gland and the bearing block.
The bearing block, the bearing, the locking nut, the gland and the row in one of the embodiments,
Star gear forms modular assembly, and the modular assembly is assembled on the pinion frame.
The modular assembly is two groups in one of the embodiments, the relatively described left half axle of modular assembly described in two groups
The central axis of gear and the right axle shaft gear is symmetrical arranged.
The pinion frame includes the first plate body, the second plate body and third plate body in one of the embodiments, described
First plate body is connected with second plate body by the third plate body, and first plate body and second plate body are parallel and different
It is provided on face, first plate body and second plate body for running through the planetary through-hole, module described in two groups
One of which in component is arranged on first plate body, and another group of setting in modular assembly described in two groups is described second
On plate body, the third plate body is fixed on the driven wheel.
The planetary gear is bevel gear in one of the embodiments,；The left half axle gear and the right side
Axle shaft gear is also bevel gear.
The planetary wheel shaft and the planetary gear are integrally formed knot in one of the embodiments,
Structure.
The differential pinion gear structure further includes driving wheel in one of the embodiments, the driving wheel and institute
Driven wheel is stated to be meshed.
Further relate to a kind of vehicle, including the differential pinion gear structure described in any of the above-described technical solution.
The beneficial effects of the invention are as follows：
The differential pinion gear structure and vehicle of the present invention, it is simple in structure, compact, eliminate two compared with conventional carrier
A word axis between planetary gear or cross axle, reduce the difficulty of processing, greatly reduce processing and manufacturing cost, and assemble more
Add simply, there is good autgmentability and versatility, assembly process process is good, can be widely applied to Vehicle Industry and needs
Use the occasion of Planetary Gear Transmission.It successfully solves dress of the existing differential mechanism encountered in planetary gear assembly process
With the big problem of difficulty, application value is had a vast market.
Description of the drawings
Fig. 1 is the differential pinion gear structural schematic diagram of one embodiment of the invention；
Fig. 2 is the stereoscopic schematic diagram of differential pinion gear structure shown in Fig. 1.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, right with reference to the accompanying drawings and embodiments
The differential pinion gear structure and vehicle of the present invention of the present invention is further elaborated.It should be noted that not
In the case of conflict, the feature in following embodiment and embodiment can be combined with each other.It should be appreciated that tool described herein
Body embodiment is only used for explaining the present invention, is not intended to limit the present invention.
Referring to Figures 1 and 2, the differential pinion gear structure of one embodiment of the invention includes driven wheel 101, planetary gear
Frame 102, planetary gear 103, left half axle gear 104, right axle shaft gear 105, left half axle 106 and right axle shaft 107.
Wherein, left half axle gear 104 is arranged on left half axle 106, and right axle shaft gear 105 is arranged on right axle shaft 107.It is left
Axle shaft gear 104 and right axle shaft gear 105 are engaged with planetary gear 103 respectively.Planetary gear 103 is preferably two groups, in Fig. 1
Planetary gear 103 is two groups, and each group of planetary gear 103 is engaged with left half axle gear 104 and right axle shaft gear 105 respectively.
Left half axle gear 104, the central axis of right axle shaft gear 105 and the central axis coaxial of driven wheel 101 are arranged.It is excellent
Selection of land, left half axle gear 104 are integrally formed with left half axle 106, and right axle shaft gear 105 is integrally formed with right axle shaft 107.Planet tooth
Wheel 103 is bevel gear, and left half axle gear 104 and right axle shaft gear 105 are also bevel gear.
Planetary gear 103 includes wheel shaft and the gear for being fixed at wheel shaft one end, and the wheel shaft is rotatably arranged in
On pinion frame 102.Pinion frame 102 is arranged on driven wheel 101, is rotated synchronously with driven wheel 101.Planetary gear
The gear of 103 wheel shaft and planetary gear 103 is an integral molding structure.Driven wheel 101 be rotatably sleeved on left half axle 106 or
On right axle shaft 107.Driven wheel 101 is set on right axle shaft 107 in Fig. 1, and bearing is arranged between driven wheel 101 and right axle shaft 107,
So that driven wheel 101 can be rotated around right axle shaft 107.Pinion frame 102 can be mounted on driven wheel 101 by connector
On.
Driven wheel 101 is drivingly connected with driving wheel 112.The movement of driving wheel 112 passes to driven wheel 101, then passes through tooth
Wheel planet carrier 102 passes to planetary gear 103, and movement is passed to left half axle 106 and right axle shaft finally by planetary gear 103
107, complete the transmission and distribution of torque and movement.Driven wheel 101 and driving wheel 112 can all be bevel gear, driven wheel 101 and master
Driving wheel 112 is meshed.Driven wheel 101 and driving wheel 112 also can all be roller gear, and driven wheel 101 is nibbled with 112 phase of driving wheel
It closes.Certainly can also be used the transmissions of other forms between driven wheel 101 and driving wheel 112, for example, belt transmission, chain drive or
Turbine and worm transmission etc..
The differential pinion gear structure of the present embodiment, it is simple in structure, eliminate two planetary gears of conventional carrier
Between a word axis or cross axle, reduce the difficulty of processing, greatly reduce processing and manufacturing cost, and assemble it is simpler,
Assembly process process is good.The differential pinion gear structure may be provided in shell.As a kind of embodiment, differential spider
Gear structure further includes bearing block 108, bearing 109 and locking nut 110.Bearing block 108 is arranged on pinion frame 102,
Bearing 109 is arranged in bearing block 108, and the axle sleeve of planetary gear 103 is set in bearing 109, far from planet on the wheel shaft
One end of the gear of gear 103, which is equipped with, to be threadedly coupled with 110 matched screw thread of locking nut, wheel shaft with locking nut 110.It adopts
The axial position relative to wheel shaft of bearing 109 is fixed with locking nut 110, is easily installed fixed and dismounting in this way.
Preferably, gland 111 is set on bearing block 108, and bearing 109 is placed between gland 111 and bearing block 108, adopts
Bearing 109 is further limited with gland 111, to prevent 109 axial float of bearing.
Through the stepped hole of bearing block 108, which includes three sector holes, is followed successively by first segment for setting on bearing block 108
Hole, the second sector hole and third sector hole.The internal diameter of first sector hole is less than the internal diameter of the second sector hole, and the internal diameter of the second sector hole is less than third
The internal diameter of sector hole.Bearing 109 is embedded in the second sector hole.Bearing block 108 is preferably flange arrangement.Certainly, bearing block 108 is also adopted
Use platy structure.
Gland 111 may include main board and the lug boss that is arranged on main board, on gland 111 setting through main board and
The through-hole of lug boss.Main board and lug boss are preferably integrally formed.The lug boss is placed in the third sector hole, for abutting
The end face of bearing 109.The main board can be used screw and be fixed on bearing block 108, to realize the limit to bearing 109.
Certainly, gland 111 or hollow multi-diameter shaft, which includes sequentially connected first segment axis and second segment
Axis.The outer diameter of first segment axis is more than the outer diameter of second segment axis, and second segment axis is placed in second sector hole, the end face of second segment axis
The end face of bearing 109 is abutted, first segment axis can be used screw and be fixed on bearing block 108, the same limit realized to bearing 109
Position, using this kind of mode, the processing of gland 111 is simpler, and ensure that the reliability limited to bearing 109.
As another embodiment, bearing block 108, bearing 109, locking nut 110, gland 111 and planetary gear
103 form modular assembly, which is assembled on pinion frame 102.In the present embodiment, gland 111 may be used
Screw is fixed on bearing block 108.Using this kind of mode, bearing block 108, bearing 109, locking nut 110, gland 111 and row
Star gear 103 can independently be assembled as modular unit, finally whole again to be assembled on pinion frame 102, so ensure that
This structure has excellent assembly process process and processing technology, and versatility is stronger, safeguards band to assembly work and in the future
To greatly facilitate.
Preferably, modular assembly is two groups, and two groups of modular assemblies are with respect to left half axle gear 104 and right axle shaft gear 105
Central axis is symmetrical arranged.It is connected with planetary gear 103 between left half axle gear 104 and right axle shaft gear 105, two planets
Relatively independent between gear 103, no actual association has excellent assembly process process and processing technology, improves assembly
Efficiency.
As another embodiment, pinion frame 102 includes the first plate body, the second plate body and third plate body.The
One plate body and the second plate body are connected by third plate body, the first plate body and the second plate body is parallel and antarafacial, i.e. the first plate body and
Two plate bodys are arranged in parallel and not in the same plane.It is provided on first plate body and the second plate body for running through planetary gear 103
Through-hole, the one of which in two groups of modular assemblies is arranged on the first plate body, and another group of setting in two groups of modular assemblies exists
On second plate body, third plate body is fixed on driven wheel 101.First plate body, the second plate body and third plate body are preferably one
It is body formed.Element Design rather than general sub-assembly, processing and manufacturing precision are easily guaranteed that pinion frame as a whole,
Processing technology is good.
The invention further relates to a kind of vehicles, including the differential pinion gear structure described in any of the above-described technical solution.Vehicle
It is the prior art in addition to above-mentioned differential pinion gear structure, no longer repeats one by one herein.Vehicle is as a result of above-mentioned
Differential pinion gear structure, therefore also achieve same advantageous effects.
The differential pinion gear structure and vehicle of above example, differential pinion gear structure have it is simple in structure,
It is compact, the advantages that manufacture and assembly are at low cost and convenient later maintenance.It is eliminated between two planetary gears compared with conventional carrier
A word axis or cross axle, planetary gear construction autgmentability and versatility are stronger, can not only be used in differential for vehicles,
It can be applied in other transmission parts.Pinion frame Element Design rather than general sub-assembly as a whole, add
The work accuracy of manufacture is easily guaranteed that, and processing technology is good.Each modular assembly by bearing block, gland, bearing, locking nut with
And planetary gear composition, each modular assembly can individually be assembled as standalone module, worked for overall assembling and tieed up in the future
Protecting band greatly facilitates.
The differential pinion gear structure can be widely applied to Vehicle Industry and need to use Planetary Gear Transmission
Occasion.It successfully solves the big problem of assembly difficulty of the existing differential mechanism encountered in planetary gear assembly process,
Have a vast market application value.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
1. a kind of differential pinion gear structure, which is characterized in that including driven wheel（101）, pinion frame（102）, planet
Gear（103）, left half axle gear（104）, right axle shaft gear（105）, left half axle（106）And right axle shaft（107）, the left half axle
Gear（104）It is arranged in the left half axle（106）On, the right axle shaft gear（105）It is arranged in the right axle shaft（107）On,
The left half axle gear（104）With the right axle shaft gear（105）Respectively with the planetary gear（103）Engagement, the planet
Gear（103）Including wheel shaft and the gear for being fixed at wheel shaft one end, the wheel shaft is rotatably arranged in the planet tooth
Wheel carrier（102）On, the pinion frame（102）It is arranged in the driven wheel（101）On, with the driven wheel（101）It is synchronous
Rotation, the driven wheel（101）It is rotatably sleeved on the left half axle（106）Or the right axle shaft（107）On；
It further include bearing block（108）, bearing（109）And locking nut（110）, the bearing block（108）It is arranged in the planet
Tooth rest（102）On, the bearing（109）It is arranged in the bearing block（108）It is interior, the planetary gear（103）Axle sleeve
Set on the bearing（109）It is interior, far from the planetary gear on the wheel shaft（103）Gear one end be equipped with and the locking
Nut（110）Matched screw thread, the wheel shaft and the locking nut（110）It is threadedly coupled；
It further include gland（111）, the gland（111）It is fixed at the bearing block（108）On, the bearing（109）It sets
In the gland（111）With the bearing block（108）Between；
The bearing block（108）, the bearing（109）, the locking nut（110）, the gland（111）With the planet tooth
Wheel（103）Modular assembly is formed, the modular assembly is assembled to the pinion frame（102）On.
2. differential pinion gear structure according to claim 1, which is characterized in that the modular assembly be two groups, two
The group relatively described left half axle gear of modular assembly（104）With the right axle shaft gear（105）Central axis be symmetrical arranged.
3. differential pinion gear structure according to claim 2, which is characterized in that the pinion frame（102）Packet
The first plate body, the second plate body and third plate body are included, first plate body is connected with second plate body by the third plate body,
First plate body is parallel with second plate body and antarafacial, is provided on first plate body and second plate body for passing through
Wear the planetary gear（103）Through-hole, the one of which in modular assembly described in two groups is arranged on first plate body, two
For another group of setting in the group modular assembly on second plate body, the third plate body is fixed at the driven wheel
（101）On.
4. according to claim 1-3 any one of them differential pinion gear structures, which is characterized in that the planetary gear
（103）Gear be bevel gear；The left half axle gear（104）With the right axle shaft gear（105）Also it is bevel gear.
5. according to claim 1-3 any one of them differential pinion gear structures, which is characterized in that the planetary gear
（103）Wheel shaft and the planetary gear（103）Gear be an integral molding structure.
6. according to claim 1-3 any one of them differential pinion gear structures, which is characterized in that further include driving wheel
（112）, the driving wheel（112）With the driven wheel（101）It is meshed.
7. a kind of vehicle, which is characterized in that including claim 1-6 any one of them differential pinion gear structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045712.4A CN105485291B (en) | 2016-01-22 | 2016-01-22 | Differential pinion gear structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045712.4A CN105485291B (en) | 2016-01-22 | 2016-01-22 | Differential pinion gear structure and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105485291A CN105485291A (en) | 2016-04-13 |
| CN105485291B true CN105485291B (en) | 2018-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610045712.4A Active CN105485291B (en) | 2016-01-22 | 2016-01-22 | Differential pinion gear structure and vehicle |
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| Country | Link |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108237899B (en) | 2016-12-27 | 2020-02-21 | 比亚迪股份有限公司 | Drive shaft locking device, power drive system and vehicle |
| CN108240448B (en) * | 2016-12-27 | 2019-12-10 | 比亚迪股份有限公司 | Differential and vehicle |
| CN107939939A (en) * | 2017-11-21 | 2018-04-20 | 宁波上中下自动变速器有限公司 | A kind of automobile differential |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201269299Y (en) * | 2008-08-20 | 2009-07-08 | 蔡智信 | Differential mechanism |
| CN201377569Y (en) * | 2009-04-13 | 2010-01-06 | 郑州机械研究所 | Phase-modulated gear case |
| CN103438179A (en) * | 2013-08-09 | 2013-12-11 | 浙江吉利汽车研究院有限公司 | Automobile differential mechanism |
| CN205350247U (en) * | 2016-01-22 | 2016-06-29 | 中国科学院宁波材料技术与工程研究所 | Differential mechanism planetary gear structure and vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100151983A1 (en) * | 2008-12-11 | 2010-06-17 | Ziech James F | Spider-less vehicle differential |
-
2016
- 2016-01-22 CN CN201610045712.4A patent/CN105485291B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201269299Y (en) * | 2008-08-20 | 2009-07-08 | 蔡智信 | Differential mechanism |
| CN201377569Y (en) * | 2009-04-13 | 2010-01-06 | 郑州机械研究所 | Phase-modulated gear case |
| CN103438179A (en) * | 2013-08-09 | 2013-12-11 | 浙江吉利汽车研究院有限公司 | Automobile differential mechanism |
| CN205350247U (en) * | 2016-01-22 | 2016-06-29 | 中国科学院宁波材料技术与工程研究所 | Differential mechanism planetary gear structure and vehicle |
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| Publication number | Publication date |
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| CN105485291A (en) | 2016-04-13 |
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