CN105156685A - Combination oil seal of automobile hub - Google Patents
Combination oil seal of automobile hub Download PDFInfo
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- CN105156685A CN105156685A CN201510437746.3A CN201510437746A CN105156685A CN 105156685 A CN105156685 A CN 105156685A CN 201510437746 A CN201510437746 A CN 201510437746A CN 105156685 A CN105156685 A CN 105156685A
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- Prior art keywords
- fixed stand
- ring
- inner fixed
- oil seal
- support frame
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Abstract
The invention provides a combination oil seal of an automobile hub and belongs to the technical field of automobile machines. The combination oil seal of the automobile hub comprises a framework, a sealing ring and spring rings, wherein the framework comprises an outer supporting frame and at least one inner fixing frame which are in an annulus shape; the inner fixing frames are embedded into the outer supporting frame and are arranged side by side; the sealing ring comprises inner ring bodies and an outer ring body; the inner ring bodies are embedded in the inner sides of the inner fixing frames and abut against the inner fixing frames; the outer ring body is provided with a wrapping portion wrapping the outer supporting frame and an embedded portion with the sealing function; the outer side of the embedded portion and the outer side of the inner ring bodies are provided with circular grooves containing the spring rings. The combined oil seal is adopted, and the phenomenon that the hub leaks oil in the running process of an automobile can be effectively avoided.
Description
Technical field
The invention belongs to automobile mechanical technical field, relate to a kind of combination oil seal of automotive hub.
Background technique
The whirligigs such as automotive hub, generally all need lubrication, therefore prevent the hub oil seal of oil leak from being indispensable strength member.
Existing hub oil seal is made up of metal frame, the rubber parts being provided with sealing lip and spring, utilizes the elasticity of spring and rubber seal lip and rotating shaft close contact to reach the object of sealing lubricating oil, Leakage prevention.
Because rubber friction coefficient is comparatively large, and excellent elasticity, add the pressure of spring, make the frictional force between rubber seal lip and rotating shaft very large, in rotating shaft High Rotation Speed, the temperature of rubber seal lip is higher, easily accelerates the carbonization of rubber seal lip, and wearing and tearing are very fast.Therefore the automotive hub operating time of the prior art is not long, very easily damages, leaks.
General existing oil sealing is that individual layer is grease proofing in addition, to the oil sealing weak effect of wheel hub, easily occurs oil leakage phenomenon.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of combination oil seal of automotive hub.
Object of the present invention realizes by following technical proposal: a kind of combination oil seal of automotive hub, comprise skeleton, seal ring and spring ring composition, skeleton comprises outer support frame and inner fixed stand, outer support frame and inner fixed stand are all in circular, inner fixed stand is embedded in outer support frame, described inner fixed stand at least has one and is arranged side by side, seal ring comprises inner ring and outer ring, inner ring to be embedded in inside inner fixed stand and to lean with inner fixed stand, outer ring has the outsourcing portion of coated outer support frame and has the insertion part of seal action, the outside of insertion part and inner ring all has the circular groove holding spring ring.
Outsourcing portion is positioned at the outermost of this combination oil seal, insertion part and inner ring are positioned at the inner side of this combination oil seal, outsourcing portion, insertion part and inner ring are all in the form of a ring, spring ring is set on the circular groove outside insertion part and inner ring, to insertion part and inner ring, all there is an active force extruded to its center of circle, improve sealing effect.
Inner ring has clamp and lives the draw-in groove of inner fixed stand and the inwardly protruded lug boss leant with wheel hub.
The installation of draw-in groove both convenient operation personnel, can limit again the movement of inner fixed stand, substantially increase its stability, avoids in the process of movement, produce collision or friction, reduces its working life.
Insertion part has the inwardly protruded lug boss leant with wheel hub.
The circular inside diameters that lug boss on insertion part is formed with the lug boss on inner ring is equal with hub outside diameter, and on all coated wheel hub.
Described outer support frame and inner fixed stand all in L-type, outer support frame and inner fixed stand towards the opposite.
The front end in described outsourcing portion has step or inclined-plane.The full section diameter in outsourcing portion is little, is convenient to insert in wheel hub, convenient installation.
The diameter of described spring ring is 2.4mm-3.2mm.
The diameter of spring ring mates mutually with the diameter of circular groove, need determine according to the diameter of circular groove.
Described outer support frame and inner fixed stand lean and close-fitting.
Adopt above structure, inner fixed stand also can be avoided to offset relative to outer support frame, improve its tightness, indirectly extend its working life.
Anti-skid rubber cushion is provided with between described outer support frame and inner fixed stand.
Adopt above structure, inner fixed stand namely can be avoided to offset relative to outer support frame, can avoid again wearing and tearing between inner fixed stand and outer support frame, improve the working life of inner fixed stand and outer support frame further.
Inner fixed stand and outer support frame are ganoid sheet metal stamping part.
Inner fixed stand and outer support frame adopt impact style by sheet metal and obtain, and manufacturing efficiency is high, and cost is low.
Seal ring is sulfurized nitrile rubber seal ring.
Wherein nitrile butadiene rubber is obtained through emulsion polymerization by butadiene and acrylonitrile, and nitrile butadiene rubber mainly adopts emulsion polymerization at low temperature to produce, and oil resistance is fabulous, and wear resistance is higher, and heat resistance is better, and bonding force is strong.
Described inner ring and inner fixed stand match one by one.
Each inner ring has a draw-in groove, an inner fixed stand lived by inner ring energy clamp, according to the quantity of the quantity determination inner fixed stand of required inner ring.
Compared with prior art, the advantage of the combination oil seal of this automotive hub have following some:
1, the combination oil seal of this automotive hub has multiple lug boss, forms multiple oil sealing, can reduce automobile under steam wheel hub produce the phenomenon of leakage of oil.
2, inner ring has the draw-in groove that inner fixed stand lived by clamp, rocking or offseting of inner fixed stand can be limited, improve the stability of this combination oil seal, reduce its injuring speed, improve its working life.
3, seal ring is sulfurized nitrile rubber seal ring, and its wear resistance is higher, and heat resistance is better, and therefore the carbonization of seal ring and the rate of wear are effectively reduced, and substantially increase its working life, the input on cost-saving.
Accompanying drawing explanation
Fig. 1 is the plan view of the combination oil seal of this automotive hub.
Fig. 2 is the sectional view of embodiment one.
Fig. 3 is the sectional view of embodiment two.
In figure, 1, outer support frame; 2, inner fixed stand; 3, inner ring; 4, outsourcing portion; 5, insertion part; 6, spring ring; 7, circular groove; 8, draw-in groove; 9, lug boss; 10, anti-skid rubber cushion; 11, step; 12, inclined-plane; .
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
Embodiment one
As Fig. 1, shown in Fig. 2, the combination oil seal of this automotive hub, comprise skeleton, seal ring and spring ring 6 form, skeleton comprises outer support frame 1 and inner fixed stand 2, outer support frame 1 and inner fixed stand 2 are all in circular, inner fixed stand 2 is embedded in outer support frame 1, inner fixed stand 2 at least has one and is arranged side by side, seal ring comprises inner ring 3 and outer ring, inner ring 3 to be embedded in inside inner fixed stand 2 and to lean with inner fixed stand 2, outer ring has the outsourcing portion 4 of coated outer support frame 1 and has the insertion part 5 of seal action, the outside of insertion part 5 and inner ring 3 all has the circular groove 7 holding spring ring 6.
Inner ring 3 has the draw-in groove 8 that inner fixed stand 2 lived by clamp.The installation of draw-in groove 8 both convenient operation personnel, can limit again the movement of inner fixed stand 2, substantially increase its stability.Inner ring 3 and inner fixed stand 2 match one by one.Each inner ring 3 has a draw-in groove 8, inner ring 3 and can live an inner fixed stand 2, according to the quantity of the quantity determination inner fixed stand 2 of required inner ring 3 by clamp.
Inner ring 3 has the inwardly protruded lug boss 9 leant with wheel hub.Insertion part 5 has the inwardly protruded lug boss 9 leant with wheel hub.The circular inside diameters that lug boss 9 on insertion part 5 is formed with the lug boss 9 on inner ring 3 is equal with hub outside diameter, and on all coated wheel hub.
Outsourcing portion 4 is positioned at the outermost of this combination oil seal, insertion part 5 and inner ring 3 are positioned at the inner side of this combination oil seal, outsourcing portion 4, insertion part 5 and inner ring 3 are all in the form of a ring, spring ring 6 is set on the circular groove 7 outside insertion part 5 and inner ring 3, to insertion part 5 and inner ring 3, all there is an active force extruded to its center of circle, lug boss 9 on insertion part 5 and inner ring 3 stressed with wheel hub against more tight, substantially increase sealing effect.Lug boss 9 pairs of wheel hubs wherein on insertion part 5 and inner ring 3 form multiple oil sealing, can effectively reduce leakage of oil effect.
Inner fixed stand 2 and outer support frame 1 are ganoid sheet metal stamping part.Inner fixed stand 2 and outer support frame 1 adopt impact style by sheet metal and obtain, and manufacturing efficiency is high, and cost is low.
The front end in outsourcing portion 4 has step 11 or inclined-plane 12.The full section diameter in outsourcing portion is little, is convenient to insert in wheel hub, convenient installation.
Seal ring is sulfurized nitrile rubber seal ring.Wherein nitrile butadiene rubber is obtained through emulsion polymerization by butadiene and acrylonitrile, and nitrile butadiene rubber mainly adopts emulsion polymerization at low temperature to produce, and oil resistance is fabulous, and wear resistance is higher, and heat resistance is better, and bonding force is strong.
Outer support frame 1 and inner fixed stand 2 all in L-type, outer support frame 1 and inner fixed stand 2 towards the opposite.The diameter of spring ring 6 is 2.4mm.The diameter of spring ring 6 mates mutually with the diameter of circular groove 7, need determine according to the diameter of circular groove 7.
Anti-skid rubber cushion 10 is provided with between outer support frame 1 and inner fixed stand 2.Namely inner fixed stand 2 can be avoided to offset relative to outer support frame 1, can avoid again wearing and tearing between inner fixed stand 2 and outer support frame 1, improve the working life of inner fixed stand 2 and outer support frame 1 further.
Embodiment two
The present embodiment is roughly the same with embodiment one as shown in Figure 3, and institute's difference is that outer support frame 1 and inner fixed stand 2 lean and close-fitting.Inner fixed stand 2 can be avoided to offset relative to outer support frame 1, improve its tightness, indirectly extend its working life, and the operation of its cost of production and production can be reduced, enhance productivity.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the terms such as outer support frame 1, inner fixed stand 2, inner ring 3, outsourcing portion 4, insertion part 5, spring ring 6, circular groove 7, draw-in groove 8, lug boss 9, anti-skid rubber cushion 10 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (10)
1. the combination oil seal of an automotive hub, comprise skeleton, seal ring and spring ring (6) composition, skeleton comprises outer support frame (1) and inner fixed stand (2), outer support frame (1) and inner fixed stand (2) are all in circular, it is characterized in that: inner fixed stand (2) is embedded in outer support frame (1), described inner fixed stand (2) at least has two and is arranged side by side, seal ring comprises inner ring (3) and outer ring, inner ring (3) is embedded in inner fixed stand (2) inner side and leans with inner fixed stand (2), outer ring has the outsourcing portion (4) of coated outer support frame (1) and has the insertion part (5) of seal action, the outside of insertion part (5) and inner ring (3) all has the circular groove (7) of accommodation spring ring (6).
2. the combination oil seal of a kind of automotive hub according to claim 1, it is characterized in that, described inner ring (3) has clamp and lives the draw-in groove (8) of inner fixed stand (2) and the inwardly protruded lug boss (9) leant with wheel hub.
3. the combination oil seal of a kind of automotive hub according to claim 2, is characterized in that, described insertion part (5) has the inwardly protruded lug boss (9) leant with wheel hub.
4. the combination oil seal of a kind of automotive hub according to claim 3, it is characterized in that, described outer support frame (1) and inner fixed stand (2) all in L-type, outer support frame (1) and inner fixed stand (2) towards the opposite.
5. the combination oil seal of a kind of automotive hub according to claim 4, is characterized in that, the diameter of described spring ring (6) is 2.4mm-3.2mm.
6. the combination oil seal of a kind of automotive hub according to claim 5, is characterized in that, described outer support frame (1) and inner fixed stand (2) lean and close-fitting.
7. the combination oil seal of a kind of automotive hub according to claim 5, is characterized in that, is provided with anti-skid rubber cushion (10) between described outer support frame (1) and inner fixed stand (2).
8. the combination oil seal of a kind of automotive hub according to claim 6 or 7, is characterized in that, described inner fixed stand (2) and outer support frame (1) are ganoid sheet metal stamping part.
9. the combination oil seal of a kind of automotive hub according to claim 8, is characterized in that, the front end of described outsourcing portion (4) has step (11) or inclined-plane (12).
10. the combination oil seal of a kind of automotive hub according to claim 9, is characterized in that, described inner ring (3) and inner fixed stand (2) match one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510437746.3A CN105156685A (en) | 2015-07-23 | 2015-07-23 | Combination oil seal of automobile hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510437746.3A CN105156685A (en) | 2015-07-23 | 2015-07-23 | Combination oil seal of automobile hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105156685A true CN105156685A (en) | 2015-12-16 |
Family
ID=54797656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510437746.3A Pending CN105156685A (en) | 2015-07-23 | 2015-07-23 | Combination oil seal of automobile hub |
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| Country | Link |
|---|---|
| CN (1) | CN105156685A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043316A (en) * | 2019-12-23 | 2020-04-21 | 西北橡胶塑料研究设计院有限公司 | Combined double-lip oil seal for miniature gear pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6237571A (en) * | 1985-08-13 | 1987-02-18 | Nok Corp | Conductive oil seal |
| CN201057271Y (en) * | 2007-06-18 | 2008-05-07 | 张先明 | Combined grease seal |
| CN201126017Y (en) * | 2007-11-28 | 2008-10-01 | 焦发青 | Oil seal with framework |
| CN201539564U (en) * | 2009-06-30 | 2010-08-04 | 青岛开世密封工业有限公司 | Combined heavy truck hub oil seal |
| CN202431972U (en) * | 2011-12-19 | 2012-09-12 | 青岛开世密封工业有限公司 | Double main lip combined oil seal |
-
2015
- 2015-07-23 CN CN201510437746.3A patent/CN105156685A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6237571A (en) * | 1985-08-13 | 1987-02-18 | Nok Corp | Conductive oil seal |
| CN201057271Y (en) * | 2007-06-18 | 2008-05-07 | 张先明 | Combined grease seal |
| CN201126017Y (en) * | 2007-11-28 | 2008-10-01 | 焦发青 | Oil seal with framework |
| CN201539564U (en) * | 2009-06-30 | 2010-08-04 | 青岛开世密封工业有限公司 | Combined heavy truck hub oil seal |
| CN202431972U (en) * | 2011-12-19 | 2012-09-12 | 青岛开世密封工业有限公司 | Double main lip combined oil seal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111043316A (en) * | 2019-12-23 | 2020-04-21 | 西北橡胶塑料研究设计院有限公司 | Combined double-lip oil seal for miniature gear pump |
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Application publication date: 20151216 |
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| RJ01 | Rejection of invention patent application after publication |