CN205446389U - Non -maintaining wheel hub assembly - Google Patents
Non -maintaining wheel hub assembly Download PDFInfo
- Publication number
- CN205446389U CN205446389U CN201620265244.7U CN201620265244U CN205446389U CN 205446389 U CN205446389 U CN 205446389U CN 201620265244 U CN201620265244 U CN 201620265244U CN 205446389 U CN205446389 U CN 205446389U
- Authority
- CN
- China
- Prior art keywords
- oil
- axle housing
- wheel hub
- spindle nose
- inner chamber
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a non -maintaining wheel hub assembly, include to rotate through the bearing and connect in the wheel hub of axle housing, the last spindle nose lid that is connected with of wheel hub still includes pump oil mechanism, wheel hub is last to be equipped with the oil pipe that one end penetrating shaft held the hole, the oil duct that is equipped with both ends and communicates the axle housing inner chamber and the oil pipe other end is respectively covered to the spindle nose, be equipped with the draining hole of intercommunication wheel hub dead eye and axle housing inner chamber on the axle housing, pump oil mechanism connects in the circulating oil path of oil pipe, wheel hub dead eye, axle housing inner chamber and oil duct constitution. The mechanism makes the conduction oil flow in circulating oil path through pump oil, carries out continuous's lubrication, washing to the bearing, realizes non -maintainingly, both can reduce operating bearing temperature, can take away the wearing and tearing volume of the foreign matter reduction bearing that the friction produced again to extend bearing's life.
Description
Technical field
This utility model relates to automotive field, is specifically related to a kind of non-maintaining hub assembly.
Background technology
Wheel hub be automobile tire centered by axle for supporting the cylindrical parts of tire, be the important spare part of connection brake unit, wheel disc and semiaxis；Wheel hub is arranged on axle housing formation hub assembly by bearing, the bearing seal of prior art is in hub spindle bearing bore, in running, fricative heat can make grease to gradually use up, and the impurity produced that weares and teares can affect the service life of bearing, it is necessary to periodically safeguards bearing；Often the vehicle of long-distance running is not often accomplished to safeguard in time, and the safety traffic for vehicle hides some dangers for.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of non-maintaining hub assembly, can solve the necessary periodic maintenance of existing hub bearing, cause vehicle to there is the problem producing potential safety hazard not in time because of maintenance.
This utility model is achieved through the following technical solutions:
A kind of non-maintaining hub assembly, including the wheel hub being rotationally connected with axle housing by bearing, connect on described wheel hub and have Spindle nose cover, also include pump oil machine structure, described wheel hub is provided with the oil pipe of one end connection shaft bearing bore, described Spindle nose cover is provided with two ends and is respectively communicated with axle housing inner chamber and the oil duct of the oil pipe other end, and described axle housing is communicated with hub spindle bearing bore and the oil leak hole of axle housing inner chamber, and described pump oil machine structure is connected to oil pipe, hub spindle bearing bore, axle housing inner chamber and the circulating oil path of oil duct composition.
Further scheme of the present utility model is, described pump oil machine structure includes the drive block being connected to axle housing end, it is connected to the helical oil groove of Spindle nose cover, and one end is connected to drive block, the spindle nose cover core of other end insertion helical oil groove, described spindle nose cover core and helical oil groove leave gap, one end of described oil duct connection axle housing inner chamber is arranged in helical oil groove, and described helical oil groove inwall is provided with the screw thread contrary with wheel hub direction of rotation.
Further scheme of the present utility model is, described spindle nose cover core is provided with the cover core axle radially extended, and described drive block is provided with the groove coordinated with cover core shaft clearance.
Further scheme of the present utility model is, described spindle nose cover core becomes tubular, described cover core axle to be arranged at its opening, and its blind end connects relief valve.
Further scheme of the present utility model is, the mouth of pipe and the oil leak hole of described oil pipe connection hub spindle bearing bore are respectively arranged at bearing both sides.
Further scheme of the present utility model is, described oil leak hole is positioned at the aperture of axle housing inner chamber and connects oil supply pipe one end, and the described oil supply pipe other end extends to axle housing afterbody, then connects axle housing inner chamber after passing axle housing wall.
Further scheme of the present utility model is, the roller of described bearing is tubular.
Further scheme of the present utility model is that the oil supply pipe being positioned at outside axle housing is provided with filter element.
Further scheme of the present utility model is, described axle housing inner chamber is also equipped with temperature sensor and liquid level sensor.
Further scheme of the present utility model is to be communicated with the outage of oil duct on described Spindle nose cover, blocked by plug.
This utility model advantage compared with prior art is:
One, conduction oil is made to flow in circulating oil path by pump oil machine structure, bearing is carried out continual lubrication, cleaning, it is achieved non-maintaining, both can reduce operating bearing temperature, fricative foreign body can be taken away again and reduce the wear extent of bearing, thus extend the service life of bearing；
Two, in vehicle travel process, spindle nose cover core keeps resting state, helical oil groove rotates with hub assembly, relative motion between screw thread and the Spindle nose cover outer core of helical oil groove inwall produces extruding to conduction oil makes it flow, and due to conduction oil more thickness, speed is the slowest, the cutting force of screw thread is the biggest, pump speed oil is the fastest, makes brake disc cool down rapidly；Need not be additionally provided the energy, without operating cost；
Three, cover core axle has certain buffering capacity with the matched in clearance of groove, it is ensured that even if hub assembly does not interferes with pump oil effect along with the generation of jolting of vehicle loosens yet；
Four, relief valve is used for the pressure release when pump oil pressure is too high, prevents from destroying the oil sealing of hub assembly；
Five, it is arranged at the oil pipe mouth of pipe and the oil leak hole of bearing both sides, makes conduction oil sufficient lubrication, bearing cleaning, there is not dead angle, extend the service life of bearing further；
Six, oil leak hole extends to axle housing afterbody by oil supply pipe, utilizes axle housing inner chamber to accommodate the heat brought from bearing as shoe cream room, improves cooling effect further；
Seven, tubular roller intensity is high, and conduction oil circulation can be made more smoothly, and cooling effect is more preferable, improves service life further；
Eight, filter element is for filtering the foreign body produced in running, it is ensured that the cleaning of conduction oil, effectively extends the service life of bearing；
Nine, temperature sensor and liquid level sensor detect the state of conduction oil in real time, it can be determined that the state of bearing, find the different shape of bearing in time；
First removing plug when ten, needing to open Spindle nose cover, along with the rotation of hub assembly, conduction oil is gradually discharged.
Accompanying drawing explanation
Fig. 1 is structural blast figure of the present utility model.
Fig. 2 is pump oil structural scheme of mechanism.
Fig. 3 is bearing arrangement schematic diagram.
Fig. 4 is spindle nose lock-nut structural representation.
Detailed description of the invention
The non-maintaining hub assembly of one as shown in Figure 1, including the wheel hub 10 being rotationally connected with axle housing 47 by taper roll bearing 32, dead eye the inner of described wheel hub 10 is provided with oil sealing 50, outer end is from inside to outside sequentially installed with nut seal circle 9, spindle nose lock banking stop 8 and spindle nose lock-nut 7, described nut seal circle 9 and oil sealing 50 make the dead eye two ends of wheel hub 10 seal, and described wheel hub 10 outer surface is also equipped with covering the Spindle nose cover 2 of dead eye.
Described wheel hub 10 is provided with the oil pipe of one end connection shaft bearing bore, and described axle housing 47 is communicated with wheel hub 10 dead eye and the oil leak hole 18 of axle housing 47 inner chamber, and described Spindle nose cover 2 is provided with two ends and is respectively communicated with axle housing 47 inner chamber and the oil duct 40 of oil pipe other end oil-in 11；Oil-out and the oil leak hole 18 of described oil pipe connection wheel hub 10 dead eye are respectively arranged at taper roller bearing 32 both sides, the roller 44 of described taper roll bearing 32 is illustrated in figure 3 tubular, described oil leak hole 18 is positioned at the aperture of axle housing 47 inner chamber and connects oil supply pipe 20 one end as shown in Figure 2, described oil supply pipe 20 other end extends to axle housing 47 afterbody after passing axle housing 47 wall, connect axle housing 47 inner chamber again, described axle housing 47 afterbody is additionally provided with the oil filler 26 by ventilation plug screw 27 closure, the oil supply pipe 20 being positioned at outside axle housing 47 is provided with filter element 22, described axle housing 47 inner chamber is also equipped with temperature sensor 24 and liquid level sensor 25, the outfan of temperature sensor 24 and liquid level sensor 25 connects ECU or the controller installed separately or alarm.
At oil pipe, wheel hub 10 dead eye, it is also associated with pump oil machine structure on the circulating oil path of axle housing 47 inner chamber and oil duct composition, this pump oil machine structure can be the oil pump being fixedly connected on axle housing 47, the most as shown in Figure 2, by the drive block 5 being connected to axle housing 47 end, it is connected to the helical oil groove 38 of Spindle nose cover 2, and one end is connected to drive block 5, the other end inserts the pump oil machine structure of spindle nose cover core 4 composition of helical oil groove 38, described spindle nose cover core 4 leaves gap with helical oil groove 38, described oil duct 40 connects one end of axle housing 47 inner chamber and is arranged in helical oil groove 38, described helical oil groove 38 inwall is provided with the screw thread contrary with wheel hub 10 direction of rotation.Described drive block 5 by center pillar and from center pillar two ends to side vertically extending pin, form to the vertically extending projection of opposite side in the middle part of center pillar, described pin is fixedly connected on the slot 41 being symmetricly set on axle housing 47 end, described projection is provided with groove 49, described spindle nose cover core 4 becomes tubular, its opening is provided with the cover core axle 36 radially extended, blind end connects relief valve 3, described cover core axle 36 and groove 49 matched in clearance.It is communicated with the outage of oil duct 40 on described Spindle nose cover 2, is blocked by plug 1.
Described spindle nose lock-nut 7 is as shown in Figure 4, being provided with width on flank is the circumferential cut 30 about thread pitch half, end face is additionally provided with three installing holes 29 and two locking holes 31 running through otch 30, when Screw 6 connects locking hole 31 and gradually screws, the tapering width of otch 30, the screw thread making otch 30 both sides is necessarily subjected to displacement, and plays the effect of locking.
In vehicle travel process, conduction oil is pumped into oil duct 40 by the relative motion of helical oil groove 38 and spindle nose cover core 4, wheel hub 10 dead eye is entered through the oil pipe on wheel hub 10, conduction oil passes taper roll bearing 32, it is cooled down, cleans, entered oil supply pipe 20 by oil leak hole 18 again, filter element 22 enter axle housing 47 inner chamber from axle housing 47 afterbody after filtering impurity, then exit into formation circulation between helical oil groove 38 and spindle nose cover core 4 from axle housing 47 end.
Claims (10)
1. a non-maintaining hub assembly, including the wheel hub (10) being rotationally connected with axle housing (47) by bearing (32), the upper connection of described wheel hub (10) has Spindle nose cover (2), it is characterized in that: also include pump oil machine structure, described wheel hub (10) is provided with the oil pipe of one end connection shaft bearing bore, described Spindle nose cover (2) is provided with two ends and is respectively communicated with the oil duct (40) of axle housing (47) inner chamber and the oil pipe other end, the oil leak hole (18) of wheel hub (10) dead eye and axle housing (47) inner chamber it is communicated with on described axle housing (47), described pump oil machine structure is connected to oil pipe, wheel hub (10) dead eye, the circulating oil path that axle housing (47) inner chamber and oil duct (40) form.
A kind of non-maintaining hub assembly the most as claimed in claim 1, it is characterized in that: described pump oil machine structure includes being connected to the drive block (5) of axle housing (47) end, it is connected to the helical oil groove (38) of Spindle nose cover (2), and one end is connected to drive block (5), the other end inserts the spindle nose cover core (4) of helical oil groove (38), described spindle nose cover core (4) and helical oil groove (38) leave gap, one end of described oil duct (40) connection axle housing (47) inner chamber is arranged in helical oil groove (38), described helical oil groove (38) inwall is provided with the screw thread contrary with wheel hub (10) direction of rotation.
A kind of non-maintaining hub assembly the most as claimed in claim 2, it is characterised in that: described spindle nose cover core (4) is provided with the cover core axle (36) radially extended, and described drive block (5) is provided with the groove (49) with cover core axle (36) matched in clearance.
A kind of non-maintaining hub assembly the most as claimed in claim 3, it is characterised in that: described spindle nose cover core (4) becomes tubular, and described cover core axle (36) is arranged at its opening, and its blind end connects relief valve (3).
A kind of non-maintaining hub assembly the most as claimed in claim 1, it is characterised in that: the mouth of pipe and the oil leak hole (18) of described oil pipe connection wheel hub (10) dead eye are respectively arranged at bearing (32) both sides.
6. the non-maintaining hub assembly of one as described in claim 1 or 5, it is characterized in that: described oil leak hole (18) is positioned at the aperture of axle housing (47) inner chamber and connects oil supply pipe (20) one end, described oil supply pipe (20) other end extends to axle housing (47) afterbody after passing axle housing (47) wall, then connects axle housing (47) inner chamber.
7. the non-maintaining hub assembly of one as described in claim 1 or 5, it is characterised in that: the roller (44) of described bearing (32) is tubular.
A kind of non-maintaining hub assembly the most as claimed in claim 6, it is characterised in that: it is positioned at axle housing (47) oil supply pipe (20) outward and is provided with filter element (22).
9. the non-maintaining hub assembly of one as described in claim 1 or 8, it is characterised in that: described axle housing (47) inner chamber is also equipped with temperature sensor (24) and liquid level sensor (25).
A kind of non-maintaining hub assembly the most as claimed in claim 1 or 2, it is characterised in that: it is communicated with the outage of oil duct (40) on described Spindle nose cover (2), is blocked by plug (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265244.7U CN205446389U (en) | 2016-04-01 | 2016-04-01 | Non -maintaining wheel hub assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620265244.7U CN205446389U (en) | 2016-04-01 | 2016-04-01 | Non -maintaining wheel hub assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205446389U true CN205446389U (en) | 2016-08-10 |
Family
ID=56608882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620265244.7U Withdrawn - After Issue CN205446389U (en) | 2016-04-01 | 2016-04-01 | Non -maintaining wheel hub assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205446389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566530A (en) * | 2019-09-06 | 2019-12-13 | 烟台中宇航空液压有限公司 | Oil leakage prevention device for electro-hydraulic servo valve |
-
2016
- 2016-04-01 CN CN201620265244.7U patent/CN205446389U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566530A (en) * | 2019-09-06 | 2019-12-13 | 烟台中宇航空液压有限公司 | Oil leakage prevention device for electro-hydraulic servo valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160810 Effective date of abandoning: 20171201 |
|
| AV01 | Patent right actively abandoned |