CN207028711U - A kind of wheel hub driving axle journal of car - Google Patents
A kind of wheel hub driving axle journal of car Download PDFInfo
- Publication number
- CN207028711U CN207028711U CN201721002485.3U CN201721002485U CN207028711U CN 207028711 U CN207028711 U CN 207028711U CN 201721002485 U CN201721002485 U CN 201721002485U CN 207028711 U CN207028711 U CN 207028711U
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- CN
- China
- Prior art keywords
- wheel hub
- flange
- hole
- axle journal
- ring flange
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- 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.)
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Abstract
The utility model discloses a kind of wheel hub of car to drive axle journal, it is characterised in that：Including axle (10), axle (10) end is provided with flange (20), flange (20) is connected with ring flange (30), step (40) is provided with by ring flange (30) side, bearing fit section (11) is provided with by step (40) side；Multiple hub stud holes (31) are angularly distributed with around axle center on the ring flange (30)；Through hole (50) is provided among axle (10), through hole (50) is provided with inner spline groove (51) close to the side of flange (20)；The length of the inner spline groove (51) is not less than the 4/5 of through hole (50) length.The utility model rigid is high, while can improve the resistance to shock of whole hub.Also therefore, this new service life length.
Description
Technical field
It the utility model is related to a kind of wheel hub driving axle journal, the wheel hub driving axle journal of particularly a kind of car.
Background technology
Wheel hub driving axle journal is a kind of safety member on car.When in use, one side that wheel hub driving axle journal has flange leads to
Cross bolt to be connected with the steel ring on wheel, another side is connected with cage, and a double-row bearing is provided with axle journal, generally
Double row angular contact bearing, the bearing connect with the hitch installation on car.After automobile engine rotates, by driving cage
Kinetic energy is delivered to the axle journal, axle journal is again with motor car wheel, so as to drive automobile to advance.In general, axle journal plays carrying and passed
Dynamic effect.
With the development of auto industry, the raising of automotive performance, higher requirement is there has also been to vehicle transmission part.It is existing
Car hub driving axle journal can not gradually meet the requirement of Automobile Design in rigid and resistance to shock etc., thus lead
Cause its service life not as expected.
Utility model content
The purpose of this utility model is, there is provided a kind of wheel hub driving axle journal of car.The utility model rigid
Height, while the resistance to shock of whole hub can be improved.Also therefore, this new service life length.
The technical solution of the utility model：A kind of wheel hub driving axle journal of car, including axle, shaft end are provided with flange,
Flange is connected with ring flange, and step is provided with by ring flange side, bearing fit section is provided with by step side；Around axle center on the ring flange
Multiple hub stud holes are angularly distributed with；Through hole is provided among axle, through hole is provided with inner spline groove close to the side of flange；It is described
The length of inner spline groove is not less than the 4/5 of through hole length.
In a kind of wheel hub driving axle journal of preceding described car, the ring flange end face adjacent with step is provided with more
Locate reinforcement, reinforcement includes circular arc muscle, and the auxiliary muscle of radial direction is provided among circular arc muscle.
In a kind of wheel hub driving axle journal of preceding described car, the bearing fit section is not more than compared with the axiality of through hole
0.005mm, bearing fit segment table surface roughness are not more than Ra0.8.
In a kind of wheel hub driving axle journal of foregoing car, the through hole is provided with close to the end of bearing fit section and is oriented to
Reaming.
In a kind of wheel hub driving axle journal of foregoing car, the ring flange is provided with least one set of screwed hole, described
Screwed hole is symmetrical on eccentric axial；The screwed hole model M5.
A kind of wheel hub driving axle journal of foregoing car, the flange are provided with micro- step with ring flange junction.
A kind of wheel hub driving axle journal of foregoing car, integral material 40Cr.
Compared with prior art, the utility model includes axle, and shaft end is provided with flange, and flange is connected with ring flange, flange
Step is provided with by disk side, bearing fit section is provided with by step side；Through hole is provided among axle, through hole is provided with interior close to the side of flange
Spline, the length of inner spline groove are not less than the 4/5 of through hole length.From the point of view of the installation cooperation position that axle journal is driven according to wheel hub,
The junction stress of ring flange and axle is concentrated the most.Above-mentioned step can increase except the position limiting structure as bearing
The thickness of ring flange connecting portion, to improve ring flange rigid.Inner spline groove length of the present utility model is grown more than through hole
The 4/5 of degree, therefore the connection of the utility model and cage is more stable, and it is more preferable to have assembled resistance to shock.In addition, this practicality is new
The ring flange of type is provided with reinforcement on the end face adjacent with step, and the purpose of reinforcement is scattered ring flange when in use
Internal stress, further strengthen the structural strength of ring flange.
Further, the utility model has higher size and surface requirements to bearing fit section, ensures this reality with this
With new with bearing fit precision, the stability of whole hub is further improved.And the utility model is in flange and method
Blue disk junction is provided with micro- step, and the structure contributes to withdrawing pattern, the impaired hidden danger in ring flange root is reduced with this, to improve its knot
Structure intensity.To sum up, the utility model rigid is high, while can improve the resistance to shock of whole hub.Also therefore, originally
New service life length.
Brief description of the drawings
Fig. 1 is semi-cutaway of the present utility model；
Fig. 2 is Fig. 1 right view.
Reference：10- axles, 11- bearing fit sections, 20- flanges, the micro- steps of 21-, 30- ring flanges, 31- boss bolts
Hole, 32- screwed holes, 33- reinforcements, 34- circular arc muscle, the auxiliary muscle of 35-, 40- steps, 50- through holes, 51- inner spline grooves, 52- are oriented to
Reaming.
Embodiment
With reference to embodiment, the utility model is described in further detail, but be not intended as to the utility model limitation according to
According to.
Embodiment：A kind of wheel hub driving axle journal of car, is formed as shown in figure 1, including axle 10, the end of axle 10 is provided with convex
Edge 20, flange 20 are connected with ring flange 30, and step 40 is provided with by the side of ring flange 30, bearing fit section 11 is provided with by the side of step 40；
As shown in Fig. 2 multiple hub stud holes 31 are angularly distributed with the ring flange 30 around axle center；Through hole is provided among axle 10
50, through hole 50 is provided with inner spline groove 51 close to the side of flange 20；The length of the inner spline groove 51 is not less than the length of through hole 50
4/5.
The ring flange 30 end face adjacent with step 40 is provided with many places reinforcement 33, and reinforcement 33 includes circular arc muscle
34, the centre of circular arc muscle 34 is provided with the auxiliary muscle 35 of radial direction.The quantity of reinforcement 35 is typically equal with the quantity of hub stud holes 31, and
Reinforcement 35 and the spaced distribution in a circumferential direction of hub stud holes 31.The purpose of reinforcement is that scattered ring flange makes
The internal stress of used time, further strengthen the structural strength of ring flange.
From the point of view of the installation cooperation position that axle journal is driven according to wheel hub, the junction stress of ring flange 30 and axle 10 collects the most
In.Above-mentioned step 40 can increase the thickness of the connecting portion of ring flange 30 except the position limiting structure as bearing, to carry
The high rigid of ring flange 30.The length of inner spline groove 51 of the present utility model exceedes the 4/5 of the length of through hole 50, therefore wheel hub and ball
The connection of cage is more stable, and resistance to shock is more preferable during work.
The bearing fit section 11 is not more than 0.005mm compared with the axiality of through hole 50, and bearing fit segment table surface roughness is not
More than Ra0.8.The high standard size and surface requirements are favorably improved the stability that wheel hub is connected with bearing, improve hub
Resistance to shock.
The through hole 50 is provided with close to the end of bearing fit section 11 and is oriented to reaming 52.Ball when being oriented to reaming 52 as assembling
Cage axle sleeve enters the guide frame of through hole 50.
The ring flange 30 is provided with least one set of screwed hole 32, and the screwed hole 32 is symmetrical on eccentric axial；It is described
The model M5 of screwed hole 32.Predetermined bit architecture when screwed hole 32 assembles as ring flange 30 and tyre rim, is favorably improved
Assembly precision, ensure the intensity of wheel hub driving axle journal at work.
The flange 20 is provided with micro- step 21 with the junction of ring flange 30.The structure contributes to withdrawing pattern, and flange is reduced with this
The impaired hidden danger in the root of disk 30, to improve its structural strength.
Integral material of the present utility model is 40Cr.40Cr can further improve overall strong compared with No. 45 traditional steel
Degree.
Operation principle：When in use, bearing fit section 11 is with being arranged in automobile hanging mechanism base for the utility model
Bearing couples.The power transmission shaft of automobile cage penetrates this axle journal through hole 50, after coordinating with inner spline groove 51, uses nut check.Automobile
Steel ring is set on boss bolt on wheel, is locked at specialized nut on ring flange 30.After automobile engine rotates, pass through driving
Kinetic energy is delivered to the utility model by the power transmission shaft of cage, then drives vehicle wheel rotation, drives automobile front driving.
Claims (7)
- A kind of 1. wheel hub driving axle journal of car, it is characterised in that：Including axle (10), axle (10) end is provided with flange (20), Flange (20) is connected with ring flange (30), and step (40) is provided with by ring flange (30) side, bearing fit is provided with by step (40) side Section (11)；Multiple hub stud holes (31) are angularly distributed with around axle center on the ring flange (30)；It is provided among axle (10) logical Hole (50), through hole (50) are provided with inner spline groove (51) close to the side of flange (20)；The length of the inner spline groove (51) is not small In the 4/5 of through hole (50) length.
- A kind of 2. wheel hub driving axle journal of car according to claim 1, it is characterised in that：The ring flange (30) with The adjacent end face of step (40) is provided with many places reinforcement (33), reinforcement（33）Including circular arc muscle (34), in circular arc muscle (34) Between be provided with radial direction auxiliary muscle (35).
- A kind of 3. wheel hub driving axle journal of car according to claim 1, it is characterised in that：The bearing fit section (11) axiality compared with through hole (50) is not more than 0.005mm, and bearing fit segment table surface roughness is not more than Ra0.8.
- A kind of 4. wheel hub driving axle journal of car according to claim 1, it is characterised in that：The through hole (50) is close The end of bearing fit section (11), which is provided with, is oriented to reaming (52).
- A kind of 5. wheel hub driving axle journal of car according to claim 1, it is characterised in that：On the ring flange (30) Provided with least one set of screwed hole (32), the screwed hole (32) is symmetrical on eccentric axial；Screwed hole (32) the model M5.
- A kind of 6. wheel hub driving axle journal of car according to claim 1, it is characterised in that：The flange (20) and method Blue disk (30) junction is provided with micro- step (21).
- A kind of 7. wheel hub driving axle journal of car according to claim 1, it is characterised in that：Integral material is 40Cr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721002485.3U CN207028711U (en) | 2017-08-11 | 2017-08-11 | A kind of wheel hub driving axle journal of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721002485.3U CN207028711U (en) | 2017-08-11 | 2017-08-11 | A kind of wheel hub driving axle journal of car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207028711U true CN207028711U (en) | 2018-02-23 |
Family
ID=61487183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721002485.3U Active CN207028711U (en) | 2017-08-11 | 2017-08-11 | A kind of wheel hub driving axle journal of car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207028711U (en) |
-
2017
- 2017-08-11 CN CN201721002485.3U patent/CN207028711U/en active Active
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