CN208306267U - A kind of drive axle wheel edge structure, preceding bridge system and vehicle - Google Patents
A kind of drive axle wheel edge structure, preceding bridge system and vehicle Download PDFInfo
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- CN208306267U CN208306267U CN201820466750.1U CN201820466750U CN208306267U CN 208306267 U CN208306267 U CN 208306267U CN 201820466750 U CN201820466750 U CN 201820466750U CN 208306267 U CN208306267 U CN 208306267U
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- driving flange
- internal spline
- drive axle
- jack shaft
- edge structure
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Abstract
The utility model provides a kind of drive axle wheel edge structure, preceding bridge system and vehicle, wherein, drive axle wheel edge structure includes jack shaft, driving flange and wheel hub, the driving flange is fixedly connected with the wheel hub, the jack shaft outer surface is equipped with external splines, the driving flange inner ring is equipped with internal spline, the jack shaft is inserted into the driving flange inner ring and the internal spline couples with the external splines, the driving flange inner ring is additionally provided at least one hypodontia structure, at least one described hypodontia structure setting is in the internal spline, the number of the internal spline is less than the number of the external splines.Drive axle wheel edge structure, preceding bridge system and vehicle provided by the utility model can simplify maintenance procedure, save maintenance cost in the case where drive axle wheel edge structure is more than that rated load safety coefficient causes damage of components.
Description
Technical field
The utility model relates to technical field of vehicle more particularly to a kind of drive axle wheel edge structures, preceding bridge system and vehicle.
Background technique
Drive axle wheel edge structure is the driving wheel that the power for transmitting transmission device is assigned to the left and right sides, to make
The device that vehicle can travel is obtained, is an essential ring in vehicle drive system, moves in turn and plays to the driving of driving vehicle
Crucial effect.
In vehicle travel process, vehicle transmission system subjects great torsional forces and shock loading, is easy to transmission
Component in system damages.In the prior art, in order to protect the big assembly such as transfer gear in transmission system, main reducing gear
Part is not damaged, and is being more than specified using the component that the jack shaft in drive axle wheel edge structure is most weak as transmission system
Under the operating condition of load safety coefficient, overload damage will occur at first for jack shaft, not damaged to reach the big total member of protection
Bad purpose.
However, first being needed tire dismantling, then knuckle band brake is total in the replacement process after jack shaft damage
At disassembly, jack shaft could be replaced later, restores assembly in order again again after jack shaft replacement, and finally to vehicle
Re-start four-wheel aligner.Above entire maintenance work user can not oneself complete independently, need specialized maintenance click through
Row, the jack shaft not only replaced is expensive, meanwhile, maintenance process is complicated, and maintenance cost is high.
Utility model content
The utility model provides a kind of drive axle wheel edge structure, preceding bridge system and vehicle, to solve in vehicle to be more than specified
In the case that load safety coefficient causes damage of components, the high problem of maintenance cost.
In order to solve the above-mentioned technical problem, the utility model provides a kind of drive axle wheel edge structure, before vehicle
Bridge system, the drive axle wheel edge structure include jack shaft, driving flange and wheel hub, and the driving flange and the wheel hub are solid
Fixed connection, the jack shaft outer surface are equipped with external splines, and the inner ring of the driving flange is equipped with internal spline, the jack shaft
It is inserted into the driving flange and the internal spline couples with the external splines, the driving flange inner ring is additionally provided at least one
Hypodontia structure, at least one described hypodontia structure setting in the internal spline, the number of the internal spline is less than the outer flower
The number of key.
Optionally, the safety that the safe torque between the internal spline and the external splines is less than the jack shaft is turned round
Square.
Optionally, at least one described hypodontia structure is uniformly distributed in the internal spline.
Optionally, the length range of the internal spline is 12-30 millimeters.
Optionally, the driving flange offers several the first screw holes, offers on the wheel hub and first spiral shell
Corresponding second screw hole of hole number and position, the driving flange and the wheel hub pass through first screw hole and second spiral shell
Hole is bolted.
Optionally, the internal spline is made of one of forging aluminium alloy, cast steel and medium carbon structural alloy steel.
The utility model also provides a kind of preceding bridge system, including front axle assy and drive axle wheel edge structure as described above,
The jack shaft in the front axle assy axle shaft gear or inner shaft connect.
The utility model also provides a kind of vehicle, including preceding bridge system as described above.
Drive axle wheel edge structure provided by the utility model, applied to the preceding bridge system of vehicle, the drive axle wheel edge knot
Structure includes jack shaft, driving flange and wheel hub, and the driving flange is fixedly connected with the wheel hub, the jack shaft appearance
Face is equipped with external splines, and the driving flange inner ring is equipped with internal spline, and the jack shaft is inserted into the driving flange and described
Internal spline couples with the external splines, and the driving flange inner ring is additionally provided at least one hypodontia structure, it is described at least one lack
Toothing is set in the internal spline, and the number of the internal spline is less than the number of the external splines.In this way, having hypodontia knot
Safe torque between the driving flange and jack shaft of structure reduces, and is connected into the spline between driving flange and jack shaft
For the link that transmission system is most weak, under operating condition of the transmission system of vehicle more than rated load safety coefficient, driving flange
Damage is at first to protect other components.And replace driving flange and be not necessarily to go up and down vehicle, special maintenance tool is not needed yet,
Parking can be replaced, and replace after the assembly is completed without four-wheel aligner is carried out again, greatly simplifie maintenance procedure, contracting
Short maintenance time, maintenance cost is also saved, in addition, the price of driving flange is lower, further saves and replaced in maintenance
The cost of damaged parts.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, the utility model embodiment will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram for the drive axle wheel edge structure that an embodiment of the present invention provides；
Fig. 2 is the front view of driving flange in the prior art；
Fig. 3 is the side view of driving flange in Fig. 1；
Fig. 4 is the fragmentary elevational view of driving flange in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, a kind of drive axle wheel edge structure provided by the embodiment of the utility model, the preceding bridge system applied to vehicle
System, drive axle wheel edge structure 100 include jack shaft 110, driving flange 120 and wheel hub 130, the driving flange 120 and institute
It states wheel hub 130 to be fixedly connected, 110 outer surface of jack shaft is equipped with external splines, and 120 inner ring of driving flange is equipped with interior flower
Key 121, the jack shaft 110 is inserted into 120 inner ring of driving flange and the internal spline 121 couples with the external splines,
120 inner ring of driving flange is additionally provided at least one hypodontia structure 122, at least one described hypodontia structure 122 is set to institute
It states in internal spline 121, the number of the internal spline 121 is less than the number of the external splines.
Jack shaft 110 is for imparting power to wheel hub 130, to drive the drive mechanism of vehicle wheel rotation.Driving half
Axis 110 rotates with the fixed wheel hub 130 of driving flange 120 to drive by driving driving flange 120 to rotate, reaches driving
The effect of vehicle wheel rotation.
Jack shaft 110 is coupled with driving flange 120 by spline, specifically, in the present embodiment, jack shaft 110
Outer surface is equipped with external splines, and the inner ring of driving flange 120 is equipped with internal spline 121, and jack shaft 110 is inserted into driving flange 120
Inner ring couples to make external splines form spline with internal spline 121, and jack shaft 110 drives driving method to couple by spline
Orchid 120 rotates.
In the prior art, as shown in Fig. 2, the inner ring of driving flange is all covered with internal spline, internal spline whole and external splines
Engagement, in addition in order to improve bonding strength also deliberately increase internal spline and external splines quantity, such as: be able to satisfy limit value in 25 teeth
It is practical to select 30 teeth to enhance the bonding strength of driving flange Yu jack shaft diameter in the case where torque delivery request.And this
In the drive axle wheel edge structure 100 that utility model embodiment provides, the inner ring of driving flange 120 is additionally provided at least one hypodontia knot
Structure 122, hypodontia structure 122 and the sum of the number of internal spline 121 are equal with the number of external splines, internal spline 121 and external splines
Shape size adaptation, such as: as shown in Figure 3 and Figure 4, hypodontia structure 122 is 5, and 5 hypodontia structures 122 are set to internal spline
Between 121.In the utility model embodiment, by using hypodontia structure 122 without by the way of few tooth, so that having
The driving flange 120 of hypodontia structure 122 can directly couple with the jack shaft spline of existing structure, without to existing driving
The external splines of semiaxis is transformed, to improve the versatility of driving flange 120, reduces improvement cost.
By the way that the position of script setting internal spline is replaced with hypodontia structure 122, internal spline and external splines are deliberately reduced
Couple number, so that the linking intensity between driving flange 120 and jack shaft 110 is reduced, in the present embodiment, internal spline
Safe torque between 121 and external splines is less than the safe torque of the jack shaft, so that driving flange 120 and driving
Connection between semiaxis 110 becomes link most weak in transmission system, is more than rated load safety in the transmission system of vehicle
Under the operating condition of coefficient, driving flange 120 is damaged to protect other components including jack shaft 110 at first.It needs
It is bright, although the utility model embodiment reduces the linking intensity between driving flange 120 and jack shaft 110,
Linking intensity between driving flange 120 and jack shaft 110 is still not less than driving flange and jack shaft in vehicle standard
Between minimum linking intensity.
Firstly, since driving flange 120 is mounted on lateral wheel, vehicle is parked in by driver after the damage of driving flange 120
Roadside can start to replace driving flange 120, go to repair without special maintenance tool or to special maintenace point, no
It is limited by maintenance place, improves the flexibility ratio of maintenance；Secondly, without in the prior art during replacement driving flange 120
It needs when replacing jack shaft first by tire dismantling, then knuckle band brake assembly is dismantled, driving half could be replaced later
Axis restores assembly in order again again, and re-starts four-wheel aligner to vehicle finally after jack shaft replacement,
It greatly slows down maintenance procedure, shorten maintenance time, also save maintenance cost.In addition, the price of replacement driving flange
Also the price than prior art replacement jack shaft is low, further saves the cost that damaged parts are replaced in maintenance.
Optionally, at least one described hypodontia structure 122 is uniformly distributed in the internal spline 121.By will at least one
A hypodontia structure 122 is uniformly distributed in the inner ring of driving flange 120, so that 121 uniform force of multiple internal splines, in internal spline
Under the premise of safe torque between 121 and external splines is less than the safe torque of the jack shaft, extend making for internal spline 121
Use the service life.
Further, in the standard of the safe torque of jack shaft 110 and the minimum safe torque of vehicle traction flange 120
Between it needs to be determined that internal spline 121 number, it is understood that for determine hypodontia structure 122 number.Due to different vehicle, no
The number of the reason of same material, the internal spline 121 being calculated is different, and the number that there is the internal spline 121 finally obtained is not
The case where integer.In the present embodiment, the internal spline 121 is made by one of forging aluminium alloy, cast steel and medium carbon structural alloy steel
At.In the case that when internal spline 121 uses forging aluminium alloy to be made, 121 number of internal spline is integer, in made of cast steel
The data that spline 121 is calculated can not be integer.
In the case where it is not integer that 121 data of internal spline, which are calculated, can come by adjusting the length of internal spline 121
Adjustment obtains integer internal spline 121.Such as: calculated result is 12.36 internal splines, then can take 12 internal splines 121, and
Extend the length of 12 internal splines 121；Or 13 internal splines 121 can also be taken, and shorten the length of 13 internal splines 121
Degree.In the present embodiment, the length range of the internal spline 121 is 12-30 millimeters.
Optionally, the driving flange 120 offers several the first screw holes, offered on the wheel hub 130 with it is described
Corresponding second screw hole of first screw hole quantity and position, the driving flange 120 pass through first screw hole with the wheel hub 130
It is bolted with second screw hole.
In the present embodiment, for the ease of being dismantled to the driving flange 120 of damage, thus by driving flange 120 and wheel
Hub 130 is bolted.In the other embodiments of the utility model, weldering can also be passed through between driving flange 120 and wheel hub 30
It a variety of fixed forms, the utility model such as connects, be clamped, being screwed not limiting this.
The utility model embodiment also provides a kind of preceding bridge system, including front axle assy and drive axle wheel edge as described above
Structure, the jack shaft in the front axle assy axle shaft gear or inner shaft connect.
Since the structure of preceding bridge system ontology is the prior art, the specific structure of drive axle wheel edge structure is in above-described embodiment
In be described in detail, therefore, the structure of bridge system before specific is repeated no more in the present embodiment.
The utility model also provides a kind of vehicle, including preceding bridge system as described above.
Since the structure of vehicle body is the prior art, the structure of preceding bridge system has carried out specifically in the above-described embodiments
It is bright, therefore, the structure of specific vehicle is repeated no more in the present embodiment.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be wanted with right
Subject to the protection scope asked.
Claims (8)
1. a kind of drive axle wheel edge structure, the preceding bridge system applied to vehicle, which is characterized in that the drive axle wheel edge structure packet
Jack shaft, driving flange and wheel hub are included, the driving flange is fixedly connected with the wheel hub, and the jack shaft outer surface is set
Have an external splines, the driving flange inner ring is equipped with internal spline, the jack shaft be inserted into the driving flange inner ring and it is described in
Spline couples with the external splines, and the driving flange inner ring is additionally provided at least one hypodontia structure, at least one described hypodontia
For structure setting in the internal spline, the number of the internal spline is less than the number of the external splines.
2. drive axle wheel edge structure according to claim 1, which is characterized in that between the internal spline and the external splines
Safe torque be less than the jack shaft safe torque.
3. drive axle wheel edge structure according to claim 1, which is characterized in that at least one described hypodontia structure is uniformly divided
It is distributed in the internal spline.
4. drive axle wheel edge structure according to claim 1, which is characterized in that the length range of the internal spline is 12-
30 millimeters.
5. drive axle wheel edge structure according to claim 1, which is characterized in that the driving flange offer several
One screw hole, offers the second screw hole corresponding with the first screw hole quantity and position on the wheel hub, the driving flange with
The wheel hub is bolted by first screw hole and second screw hole.
6. drive axle wheel edge structure according to claim 1, which is characterized in that the internal spline is by forging aluminium alloy, cast steel
It is made with one of medium carbon structural alloy steel.
7. a kind of preceding bridge system, which is characterized in that including front axle assy and such as drive axle of any of claims 1-6
Take turns side structure, the jack shaft in the front axle assy axle shaft gear or inner shaft connect.
8. a kind of vehicle, which is characterized in that including preceding bridge system as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820466750.1U CN208306267U (en) | 2018-04-03 | 2018-04-03 | A kind of drive axle wheel edge structure, preceding bridge system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820466750.1U CN208306267U (en) | 2018-04-03 | 2018-04-03 | A kind of drive axle wheel edge structure, preceding bridge system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208306267U true CN208306267U (en) | 2019-01-01 |
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ID=64718949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820466750.1U Active CN208306267U (en) | 2018-04-03 | 2018-04-03 | A kind of drive axle wheel edge structure, preceding bridge system and vehicle |
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| Country | Link |
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| CN (1) | CN208306267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327462A (en) * | 2018-04-03 | 2018-07-27 | 北京汽车研究总院有限公司 | A kind of drive axle wheel edge structure, preceding bridge system and vehicle |
-
2018
- 2018-04-03 CN CN201820466750.1U patent/CN208306267U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327462A (en) * | 2018-04-03 | 2018-07-27 | 北京汽车研究总院有限公司 | A kind of drive axle wheel edge structure, preceding bridge system and vehicle |
| CN108327462B (en) * | 2018-04-03 | 2023-10-13 | 北京汽车集团越野车有限公司 | Driving axle wheel edge structure, front axle system and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200908 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Patentee after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, 99, Shuanghe Avenue, Renhe Town, Beijing, Shunyi District Patentee before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |
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| TR01 | Transfer of patent right |