CN112984116A - Oil gas sealing element - Google Patents
Oil gas sealing element Download PDFInfo
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- CN112984116A CN112984116A CN202110336913.0A CN202110336913A CN112984116A CN 112984116 A CN112984116 A CN 112984116A CN 202110336913 A CN202110336913 A CN 202110336913A CN 112984116 A CN112984116 A CN 112984116A
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
本发明公开了一种油气密封件，包括油密封部及气密封部，所述油密封部包括环形支撑骨架及环形油密封体，环形油密封体包括至少一个油密封唇；气密封部包括环形气密封体、环形支撑垫及唇部支撑环，唇部支撑环设置在环形油密封体与环形气密封体之间，环形气密封体包括水平部及倾斜部，水平部设置在环形支撑垫与所述唇部支撑环之间，倾斜部上设有封气唇。环形气密封体采用PTFE材质。环形支撑垫上设有与转角内圆弧相适配的垫圆弧部，唇部支撑环上设有与转角外圆弧相适配的圆弧定位部。本发明结构简单紧凑，能对润滑油及具有一定压力的起到充气作用的空气进行密封，封气唇的密封稳定性好，且具有长效的使用寿命，能实现对封油、封气同时密封的作用。
The invention discloses an oil and gas seal, comprising an oil seal part and an air seal part, wherein the oil seal part includes an annular support frame and an annular oil seal body, the annular oil seal body includes at least one oil seal lip; the air seal part includes an annular oil seal The air seal body, the annular support pad and the lip support ring, the lip support ring is arranged between the annular oil seal body and the annular air seal body, the annular air seal body includes a horizontal part and an inclined part, and the horizontal part is arranged between the annular support pad and the annular air seal body. Between the lip support rings, an air sealing lip is arranged on the inclined part. The annular gas seal is made of PTFE. The annular support pad is provided with a pad circular arc portion that matches the inner arc of the corner, and the lip support ring is provided with a circular arc positioning portion that matches the outer arc of the corner. The invention has a simple and compact structure, can seal the lubricating oil and the air with a certain pressure that plays an inflatable role, has good sealing stability of the air sealing lip, and has a long service life, and can realize the simultaneous sealing of oil and air. sealing effect.
Description
Technical Field
The invention relates to an oil-gas sealing element, and belongs to the technical field of oil-gas sealing.
Background
With the development of the automobile industry, automobiles widely enter the actual production and life process, and convenience is brought to people. In some special purpose vehicles, in order to improve the trafficability of the vehicle, the tire pressure is adjusted so that the tire can better adapt to road conditions. The tire pressure is generally adjusted by a central inflation/deflation system. The central inflation and deflation system is typically integrated into the wheel-side system of the axle. The oil-gas seal is used as a sealing element of the central inflation and deflation system, and basically determines the reliability and the service life of the system. The oil-gas seal usually adopts the mounting mode of two oil-gas seals to the dress to realize the gas seal to inflating and deflating the gas circuit to realize the sealing to the inside lubricating oil that is used for lubricated bearing of both sides wheel hub.
As shown in fig. 3, the conventional oil and gas seal structure has a seal portion 3 having a lip-shaped rubber lip 31 and a PTFE sheet 32 adhered thereto as a seal lip. The lip rubber lip needs to have a large excessive hardness with the mating shaft to ensure its sealing effect. Because rubber has lower rigidity and hardness, during inflation, large compression deformation can occur, so that a large contact area is generated between the rubber and a matched rotating shaft, and friction heat generation is intensified, and the temperature is increased. Rubber can age under high heat conditions, lose elasticity and lose sealing effect.
Even if the PTFE sheet is adhered to the lip portion in order to reduce the friction coefficient and thereby reduce the frictional heat generation, a good effect cannot be achieved. Because the lip is adhered with the PTFE sheet, the matching force of the lip and a matching shaft is further improved, the frictional heat is intensified, although the PTFE sheet has a low friction coefficient, the thickness of the PTFE sheet is too thin, generally 0.3-0.5mm, the mechanical strength is low, the PTFE sheet can be abraded along with the operation, the service life is short, the PTFE sheet is abraded quickly, and the PTFE sheet loses effect.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the oil-gas sealing element which has a simple and compact structure and has stable and long-acting oil and gas sealing effects.
The technical scheme for solving the technical problems is as follows: an oil-gas sealing element comprises an oil sealing part and an air sealing part, wherein the oil sealing part comprises an annular supporting framework and an annular oil sealing body, and the annular oil sealing body comprises at least one oil sealing lip;
the air sealing part comprises an annular air sealing body, an annular supporting pad and a lip supporting ring, the lip supporting ring is arranged between the annular oil sealing body and the annular air sealing body, the annular air sealing body comprises a horizontal part and an inclined part, the horizontal part is arranged between the annular supporting pad and the lip supporting ring, and an air sealing lip is arranged on the inclined part. And a spring is arranged on the outer side of the sealing lip of the annular oil sealing body.
The invention has the beneficial effects that: the annular supporting framework provides a rigid supporting effect for the annular oil sealing body, meanwhile, the inner hole part of the annular supporting framework limits all parts of the air sealing part and connects all parts of the air sealing part with the oil sealing part to form a whole, so that the oil-gas sealing effect is realized, and the oil sealing lip can form sealing with a rotating matching shaft to seal lubricating oil; the spring provides a tightening force pointing to the axial direction for the oil seal lip on the circumference, the sealing reliability of the lip part of the oil seal lip is further improved, the horizontal part of the annular air seal body forms the annular plane part to be matched with the lip support ring, the annular support framework and the annular support pad to realize the position fixation of the annular oil seal body, the inclined part forms the conical lip part, and the conical lip part has proper interference with the sealed matching shaft in the circumferential direction under the condition of no inflation pressure, and has low friction torque during operation, thereby ensuring low friction heat generation; when the seal lip work has the condition of inflation pressure, the annular gas seal body has certain rigidity and hardness, and the supporting role of lip support ring and annular pad is cooperated again, guarantees that the seal lip has little pressurized deformation, makes the cooperation state between it and the cooperation axle rather than the complex not take place big change to guarantee that the seal lip has stable sealed effect under the condition that receives the inflation pressure effect, thereby guaranteed the long-term life of oil gas sealing spare. In a word, the invention has simple and compact structure, can seal lubricating oil and air with certain pressure and having the function of inflation, has good sealing stability of the air sealing lip, has long service life, can realize the function of sealing oil and air simultaneously, can be used in the field of automobile axle association and the field of sealing oil and air, particularly air with pressure, and is particularly used in cross-country automobiles with central inflation and deflation functions at wheel hubs, wheel rims and tire parts, or in the field of general machinery and the like.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the annular airtight body is made of PTFE.
Adopt above-mentioned further scheme's beneficial effect be, annular atmoseal whole adoption PTFE material has stable sealed effect. The PTFE sheet material that constitutes annular atmoseal body can be for the modified PTFE material, possesses higher rigidity and hardness, and is modified through material filling, possesses extremely low frictional wear characteristic, combines the extremely low frictional wear characteristic of modified PTFE material simultaneously, can guarantee even receive the pressure effect, seals the gas lip and also can only produce extremely low frictional wear to guarantee long-term life. Therefore, compared with the case of using a rubber-adhered PTFE sheet as an air seal lip, the oil-air seal member can realize more stable and long-lasting oil and air seal effects.
Furthermore, the inner arc transition and the outer arc transition are respectively adopted at the inner corner position and the outer corner position of the horizontal part and the inclined part.
The beneficial effect who adopts above-mentioned further scheme is that, circular arc smooth transition has not only guaranteed the rigidity of annular atmoseal itself, is convenient for moreover annular atmoseal rather than being connected between the adjacent part, guarantees lip support ring and annular supporting pad to the supporting role of annular atmoseal.
Furthermore, a pad arc part matched with the inner arc is arranged on the inner side of the annular supporting pad.
The air sealing lip has the advantages that the positioning and supporting of the corner position of the annular air sealing body are realized through the matching of the circular arc part of the gasket and the inner circular arc, the shape of the air sealing lip is ensured to be in a tapered lip shape, and the air sealing effect of the air sealing lip is further improved.
Furthermore, the inner side of the lip supporting ring is provided with an arc positioning part matched with the outer arc.
The beneficial effects of adopting above-mentioned further scheme are that, the circular arc location portion structure on the circumference that lip support ring has can provide the support to sealing the gas lip, avoids lip position to take place great deformation, makes its structural state stable, avoids and cooperates and produces big pressure between the axle, forms the frictional wear aggravation.
Furthermore, the annular support framework is provided with an end flanging used for stably positioning the annular support pad.
The oil seal structure has the advantages that the annular supporting framework can support and limit each component of the oil seal part and the air seal part, the air seal part and the oil seal part can be combined into a whole by matching with the flanging at the end part, the preset axial extrusion force formed by combining the flanging at the end part of the framework enables the air seal lip to be stressed and axially compressed, and therefore a sealing effect is formed among the lip supporting ring, the air seal lip and the fixed gasket, and gas is prevented from being leaked from the matching part. Not only guarantee the stability of airtight portion, further improved airtight effect moreover.
Further, the outer side of the horizontal part is connected with the annular supporting framework.
The beneficial effect of adopting above-mentioned further scheme is that, annular gas seal body is connected with annular support skeleton, realizes the stable support to airtight sealing.
Furthermore, the cross section of the annular supporting pad is of a rectangular or L-shaped structure.
The beneficial effect who adopts above-mentioned further scheme is that, annular supporting pad has certain rigidity, and through the cooperation with the hole part that corresponds with the excircle of lip support ring, annular supporting framework and annular oil seal body, prescribe a limit to the position of annular gas seal body, and the preset axial extrusion force that the turn-ups of deuterogamying annular supporting framework formed for seal gas lip atress takes place axial compression, thereby makes gas seal portion realize the gas seal effect, avoids gaseous from the cooperation position revealing. Concrete annular supporting pad
Further, the oil seal lip comprises a main lip and an auxiliary lip, and the main lip or the auxiliary lip or the main lip and the auxiliary lip are made of rubber materials.
The adoption of the further scheme has the beneficial effects that the main lip can form sealing with the rotating matching shaft to seal lubricating oil; the winding spring provides a tightening force pointing to the circle center on the circumference of the main lip, so that the sealing reliability of the main lip is improved; the outer diameter sealing part of the annular oil sealing body is fixed on the inner periphery of the seat hole of the shell in an interference fit manner; the auxiliary lip can form sealing with the rotating matching shaft, the space between the lip-shaped main lip for sealing oil and the conical air sealing lip is divided into two parts, and the adverse effect of the space negative pressure effect caused by the pumping effect of the air sealing lip on the oil sealing lip can be avoided.
Furthermore, annular supporting pad or lip support ring or annular supporting pad and lip support ring adopt metal or macromolecular material preparation to form.
The adoption of the further proposal has the advantages that the lip supporting ring and the annular supporting pad which are made of metal or high molecular material have specific rigidity, can realize the supporting and stable positioning functions of the annular air sealing body, ensure that the air sealing lip has small compression deformation, ensure that the matching state between the air sealing lip and the matching shaft matched with the air sealing lip does not change greatly, and further ensure that under the action of the inflation pressure,
drawings
FIG. 1 is a schematic cross-sectional view showing the structure of example 1 of the present invention;
FIG. 2 is a schematic cross-sectional view showing the structure of example 2 of the present invention;
FIG. 3 is a schematic cross-sectional structure of a prior art oil and gas seal;
in the figure, 1, oil seal portion; 11. an annular oil seal body; 12. an annular support frame; 13. a spring; 14. a minor lip; 15. a main lip; 16. flanging; 2. an air-tight sealing part; 21. a lip support ring; 22. an annular gas seal body; 23. a horizontal portion; 24. an inclined portion; 25. an annular support pad; 26. a pad arc portion; 27. a circular arc positioning part; 3. a gas sealing part; 31. a rubber lip; 32. a sheet.
Detailed Description
The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
the air-tight sealing part 2 comprises an annular air sealing body 22, an annular supporting pad 25 and a lip supporting ring 21, the lip supporting ring 21 is arranged between the annular oil sealing body 11 and the annular air sealing body 22, the annular air sealing body 22 comprises a horizontal part 23 and an inclined part 24, the horizontal part 23 is arranged between the annular supporting pad 25 and the lip supporting ring 21, the outer side of the horizontal part 23 is connected with the annular supporting framework 12, and the inner side of the inclined part 24 is provided with an air-tight lip. And a spring 13 is arranged on the outer side of the annular oil sealing body 11.
The annular airtight body is made of PTFE. The annular airtight body is made of PTFE material and has stable sealing effect. The PTFE sheet material that constitutes annular atmoseal body can be for the modified PTFE material, possesses higher rigidity and hardness, and is modified through material filling, possesses extremely low frictional wear characteristic, combines the extremely low frictional wear characteristic of modified PTFE material simultaneously, can guarantee even receive the pressure effect, seals the gas lip and also can only produce extremely low frictional wear to guarantee long-term life.
The horizontal part 23 and the inclined part 24 adopt inner arc transition and outer arc transition at inner and outer corner positions respectively. The circular arc smooth transition not only ensures the rigidity of the annular airtight body, but also is convenient for the annular airtight body to be connected with adjacent parts thereof, and ensures the supporting function of the lip supporting ring and the annular supporting pad on the annular airtight body.
And a pad arc part 26 matched with the inner arc is arranged on the inner side of the annular supporting pad 25. The positioning and supporting of the corner position of the annular air sealing body 22 are realized through the matching of the cushion arc part 26 and the inner arc, the tapered lip shape of the air sealing lip is ensured, and the air sealing effect of the air sealing lip is further improved.
The inner side of the lip supporting ring 21 is provided with an arc positioning part 27 matched with the outer arc. The integrated annular lip support ring 21 is provided, and has a structure in which the cross section in the circumferential direction is an arc shape on the side contacting with the air seal lip made of a PTFE sheet near the inner hole, and the air seal lip made of a PTFE sheet is fixed at a fixed position and in a specific shape. Meanwhile, a supporting force is provided for the air sealing lip under the action of air pressure, and the air sealing lip is guaranteed to have a stable structural state under the action of air pressure, so that reliable air sealing is realized.
The annular supporting framework 12 is provided with an end flanging 16 for stably positioning the annular supporting pad 25. The annular supporting framework 12 can support and limit each component of the oil and gas sealing part 2, the gas sealing part 2 and the oil sealing part 1 can be combined into a whole by matching with the flanging 16 at the end part, and the preset axial extrusion force formed by combining the flanging 16 at the end part of the framework enables the gas sealing lip to be stressed and axially compressed, so that a sealing effect is formed by the lip part supporting ring 21, the gas sealing lip and the fixed gasket, and gas is prevented from being leaked from the matching part. Not only the stability of the air sealing part 2 is ensured, but also the air sealing effect is further improved.
The cross section of the annular supporting pad 25 is of a rectangular or L-shaped structure. The annular supporting pad 25 has a certain rigidity, and through the cooperation with the inner hole part corresponding to the outer circles of the lip supporting ring 21, the annular supporting framework 12 and the annular oil seal body 11, the position of the annular gas seal body 22 is limited, and the preset axial extrusion force formed by the turned-over edge 16 of the annular supporting framework 12 is matched again, so that the axial compression is generated by the stress of the gas sealing lip, the gas sealing effect of the gas sealing part 2 is realized, and the gas leakage from the matched part is avoided. The annular support pad 25 may be suitably shaped depending on the desired support requirements.
The oil seal lip comprises a main lip 15 and an auxiliary lip 14, wherein the main lip 15 or the auxiliary lip 14 or the main lip 15 and the auxiliary lip 14 are made of rubber materials. The main lip 15 can form a seal with the rotating matching shaft to seal lubricating oil; the winding spring 13 provides a tightening force pointing to the circle center on the circumference of the main lip 15, so that the sealing reliability of the main lip 15 is improved; the outer diameter sealing part of the annular oil sealing body 11 is fixed on the inner periphery of the seat hole of the shell through interference fit; the auxiliary lip 14 can form a seal with the rotating matching shaft, and the space between the lip-shaped main lip 15 for sealing oil and the conical air sealing lip is divided into two parts, so that the adverse effect of the space negative pressure effect caused by the pumping effect of the air sealing lip on the oil sealing lip can be avoided.
The annular supporting pad 25 or the lip supporting ring 21 or the annular supporting pad 25 and the lip supporting ring 21 are made of metal or high polymer materials. The lip supporting ring 21 and the annular supporting pad 25 which are made of metal or high polymer materials have specific rigidity, can realize the supporting and stable positioning functions of the annular air sealing body 22, ensure that the air sealing lip has small compression deformation, ensure that the matching state between the air sealing lip and a matching shaft matched with the air sealing lip does not change greatly, and further ensure that under the action of inflation pressure,
in embodiment 2, as shown in fig. 2, the cross section of the annular supporting pad 25 is an L-shaped structure. The rest of the structure is the same as that of embodiment 1, and will not be described in more detail. The air sealing lip PTFE sheet is axially compressed under stress by adopting a ring-shaped gasket structure with an L-shaped section, and the upper end surface of the outer diameter barrel part and the flange of the annular supporting framework are combined to form preset axial extrusion force, so that a sealing effect is formed on the lip supporting ring main body part, the air sealing lip flat gasket part and the flat gasket part of the annular supporting point, and the gas is prevented from leaking from a matching part.
The oil-gas sealing element is fixed on the inner periphery of a seat hole of the shell through the outer diameter part of the oil-sealing annular oil sealing body in an interference fit manner, and the lip part of the oil sealing lip of the oil-sealing annular oil sealing body and the lip part of the gas sealing lip of the gas-sealing annular gas sealing body form an interference fit with a rotating fit shaft, so that lubricating oil and air with certain pressure and having an inflation effect are sealed, and the phenomenon that the air with certain pressure enters the oil sealing lip part through the gas sealing lip to lift the oil sealing lip to cause oil leakage is avoided; air which causes leakage can enter the lubricating oil cavity to cause internal pressure rise, and operation stability is affected; meanwhile, leaked lubricating oil possibly enters the inflation cavity along with operation, and operation stability is affected.
The oil-gas sealing element is fixed on the inner periphery of a seat hole of the shell through the outer diameter part of the oil sealing lip-shaped sealing part in an interference fit mode, and the lip part of the oil sealing part and the PTFE tapered lip part of the air sealing part form an interference fit with the rotating matching shaft, so that the lubricating oil and the air with certain pressure and an inflating effect are sealed. The air sealing lip made of PTFE with extremely low friction and wear characteristics and a matching shaft are designed with small interference. Meanwhile, the stable structural state of the air sealing lip is ensured through the fixation of the lip supporting ring and the fixed gasket and the flanging combination effect of the end part of the metal supporting ring of the lip sealing component for oil sealing. In the non-inflation operating state, the air sealing lip and the matching shaft have small and stable matching pressure so as to reduce the friction and abrasion of the PTFE lip. Under the inflation operation state, the modified and filled PTFE sheet has certain thickness, higher rigidity and hardness and good resistance to inflation pressure. Further, even under higher pressure, the lip support ring has the circular-arc structure on the circumference, can provide the support to the PTFE lip, avoids the lip to take place great deformation, makes its structural state stable, avoids and cooperates and produce big pressure between the axle, forms the friction and wear aggravation. The sealing stability and the long-acting service life of the air sealing lip are realized through the above functions.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The oil-gas sealing element is characterized by comprising an oil sealing part (1) and a gas sealing part (2), wherein the oil sealing part (1) comprises an annular supporting framework (12) and an annular oil sealing body (11), and the annular oil sealing body (11) comprises at least one oil sealing lip;
the air-tight seal portion (2) includes annular gas seal body (22), annular supporting pad (25) and lip portion supporting ring (21), lip portion supporting ring (21) set up annular oil seal body (11) with between annular gas seal body (22), annular gas seal body (22) include horizontal part (23) and rake (24), horizontal part (23) set up annular supporting pad (25) with between lip portion supporting ring (21), be equipped with on rake (24) and seal the gas lip.
2. The oil and gas seal of claim 1, wherein the annular gas seal body is PTFE.
3. The hydrocarbon seal according to claim 1 or 2, characterized in that the horizontal portion (23) and the inclined portion (24) are in inner and outer arc transitions, respectively, in inner and outer corner positions.
4. The hydrocarbon seal of claim 3, wherein said annular support pad has a pad arc portion (26) adapted to said inner arc.
5. The oil and gas seal as claimed in claim 3, characterized in that the lip support ring (21) is provided with a circular arc positioning portion (27) adapted to the outer circular arc.
6. The hydrocarbon seal according to claim 1 or 2, characterized in that the annular support frame (12) is provided with end flanges (16) for stable positioning of the annular support pads (25).
7. The hydrocarbon seal according to claim 1, characterized in that the horizontal portion (23) is connected on its outer side to the annular supporting frame (12).
8. The hydrocarbon seal of claim 1, wherein the annular support pad (25) is of rectangular or L-shaped configuration in cross-section.
9. The oil-gas seal according to claim 1, characterized in that the oil seal lip comprises a main lip (15) and an auxiliary lip (14), and the main lip (15) or the auxiliary lip (14) or the main lip (15) and the auxiliary lip (14) are made of rubber.
10. The oil and gas seal according to claim 1, wherein the annular support pad (25) or the lip support ring (21) or the annular support pad (25) and the lip support ring (21) are made of metal or polymer material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110336913.0A CN112984116A (en) | 2021-03-29 | 2021-03-29 | Oil gas sealing element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110336913.0A CN112984116A (en) | 2021-03-29 | 2021-03-29 | Oil gas sealing element |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992329A (en) * | 2022-07-07 | 2022-09-02 | 浙江迦南科技股份有限公司 | Rotary sealing device for sealing |
| WO2024190338A1 (en) * | 2023-03-10 | 2024-09-19 | Nok株式会社 | Sealing device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5147494A (en) * | 1989-07-28 | 1992-09-15 | Keeper Co., Ltd. | Seal device for tire pressure-adjusting device |
| JPH07317913A (en) * | 1994-05-24 | 1995-12-08 | Mitsubishi Cable Ind Ltd | Rotary shaft seal |
| CN2849346Y (en) * | 2005-11-16 | 2006-12-20 | 安徽省宁国中鼎股份有限公司 | High-pressure rotary shaft seal for automobile air conditioner compressor |
| CN101936397A (en) * | 2010-09-07 | 2011-01-05 | 青岛开世密封工业有限公司 | Combined PTFE oil seal with vent hole and manufacturing method and mounting method thereof |
| CN203146822U (en) * | 2013-04-07 | 2013-08-21 | 艾志（南京）环保管接技术股份有限公司 | Multi-ring lip line sealed bearing protector |
| CN207470776U (en) * | 2017-11-24 | 2018-06-08 | 宁波美豪汽车部件有限公司 | A kind of polytetrafluoroethylene (PTFE) lip-type packing of Multi-medium sealing |
| CN108757948A (en) * | 2018-08-17 | 2018-11-06 | 北京北方创成车辆技术发展有限公司 | Rotate oil-gas sealing device and central aerating and exhaust device |
| CN109630682A (en) * | 2018-06-08 | 2019-04-16 | 王振威 | Seal assembly for tire deflation system charge |
| CN214743328U (en) * | 2021-03-29 | 2021-11-16 | 烟台润蚨祥油封有限公司 | Oil gas sealing element |
-
2021
- 2021-03-29 CN CN202110336913.0A patent/CN112984116A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5147494A (en) * | 1989-07-28 | 1992-09-15 | Keeper Co., Ltd. | Seal device for tire pressure-adjusting device |
| JPH07317913A (en) * | 1994-05-24 | 1995-12-08 | Mitsubishi Cable Ind Ltd | Rotary shaft seal |
| CN2849346Y (en) * | 2005-11-16 | 2006-12-20 | 安徽省宁国中鼎股份有限公司 | High-pressure rotary shaft seal for automobile air conditioner compressor |
| CN101936397A (en) * | 2010-09-07 | 2011-01-05 | 青岛开世密封工业有限公司 | Combined PTFE oil seal with vent hole and manufacturing method and mounting method thereof |
| CN203146822U (en) * | 2013-04-07 | 2013-08-21 | 艾志（南京）环保管接技术股份有限公司 | Multi-ring lip line sealed bearing protector |
| CN207470776U (en) * | 2017-11-24 | 2018-06-08 | 宁波美豪汽车部件有限公司 | A kind of polytetrafluoroethylene (PTFE) lip-type packing of Multi-medium sealing |
| CN109630682A (en) * | 2018-06-08 | 2019-04-16 | 王振威 | Seal assembly for tire deflation system charge |
| CN108757948A (en) * | 2018-08-17 | 2018-11-06 | 北京北方创成车辆技术发展有限公司 | Rotate oil-gas sealing device and central aerating and exhaust device |
| CN214743328U (en) * | 2021-03-29 | 2021-11-16 | 烟台润蚨祥油封有限公司 | Oil gas sealing element |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992329A (en) * | 2022-07-07 | 2022-09-02 | 浙江迦南科技股份有限公司 | Rotary sealing device for sealing |
| CN114992329B (en) * | 2022-07-07 | 2025-01-07 | 浙江迦南科技股份有限公司 | A rotary sealing device for sealing |
| WO2024190338A1 (en) * | 2023-03-10 | 2024-09-19 | Nok株式会社 | Sealing device |
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