CN109764135A - A kind of oil gas envelope of automatic pneumatic tire sealing - Google Patents
A kind of oil gas envelope of automatic pneumatic tire sealing Download PDFInfo
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- CN109764135A CN109764135A CN201811589555.9A CN201811589555A CN109764135A CN 109764135 A CN109764135 A CN 109764135A CN 201811589555 A CN201811589555 A CN 201811589555A CN 109764135 A CN109764135 A CN 109764135A
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- sealing
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- gland
- pneumatic tire
- automatic pneumatic
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Abstract
The invention discloses a kind of oil gas envelopes of automatic pneumatic tire sealing, including oil sealing and sealing gland, oil sealing and sealing gland are respectively two, oil sealing and sealing gland are back to setting, the axially external of oil sealing is arranged in sealing gland, two sealing glands are opposite and are disposed adjacent, and compressed gas channel is provided between two sealing glands, is provided with oil seal seat on the outside of oil sealing and sealing gland.The present invention is by setting back to the oil sealing and sealing gland of placement, and sealing gland is arranged on the inside of oil sealing, and sealing gland can effectively seal compressed air, and oil sealing can effectively seal lubricating grease.Oil gas of the present invention envelope uses integral press mounting mode, and oil sealing and the sealing gland lip in transportational process is avoided to collide with, avoid occurring during the installation process the defects of colliding with, scratch, installation steps are simplified simultaneously, the work intensity of worker is alleviated, worker operation requirement is reduced, improves success rate.
Description
Technical field
The present invention relates to oil gas encapsulation technique fields, seal more particularly to a kind of oil gas of automatic pneumatic tire sealing.
Background technique
A kind of automatic make-up air vehicle bridge of truck is being developed in present market.High pressure gas passes to wheel hub by semiaxis and arrives
Tire, the usual pressure maintaining of air flue is in 0.8 ± 0.05MPa, the automatic inflating when having a flat tire or insufficient pressure, semiaxis when normal work
It is to relatively rotate with wheel hub.And existing outside framework oil seal can not play good sealing function to high pressure gas.
Summary of the invention
The object of the present invention is to provide a kind of oil gas envelopes of automatic pneumatic tire sealing, exist to solve the above-mentioned prior art
The problem of, it solves automatic pneumatic tire high pressure gas and passes through semiaxis to the gas of tire and the sealing problem of lubricating oil.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of oil gas envelope of automatic pneumatic tire sealing, including oil sealing and sealing gland, the oil sealing and institute
Stating sealing gland is respectively two, and back to setting, the axially external of the oil sealing is arranged in the sealing gland for the oil sealing and the sealing gland,
Two sealing glands are opposite and are disposed adjacent, and are provided with compressed gas channel between two sealing glands, the oil sealing and described
Oil seal seat is provided on the outside of sealing gland.
Preferably, the sealing gland and the oil sealing include skeleton, are coated with rubber, the skeleton phase on the outside of the skeleton
Sealing lip is provided with to side, the sealing lip is connect with one end of the skeleton, is provided with spring on the inside of the sealing lip.
Preferably, teflon gasket is provided on the outside of the sealing lip of the sealing gland.
Preferably, the teflon gasket with a thickness of 0.4mm-0.8mm.
Preferably, the teflon gasket with a thickness of 0.6mm.
Preferably, the sealing lip is made of rubber.
Preferably, the skeleton is made of 20 steel.
Preferably, sealing ring is provided on the outside of the oil seal seat.
The present invention achieves following technical effect compared with the existing technology:
The present invention is by setting back to the oil sealing and sealing gland of placement, and sealing gland is arranged on the inside of oil sealing, and sealing gland can be to compression
Air is effectively sealed, and oil sealing can effectively seal lubricating grease, and the skeleton in oil sealing and sealing gland can be reinforced
The rigidity of oil sealing and sealing gland, spring can compensate for wearing, and the teflon gasket hardness in sealing gland is higher and wear-resisting, can give
Sealing gland provides wear-compensating, and can solve the high temperature problem that sealing gland is generated by dry friction.Oil gas envelope of the present invention is using whole pressure
Die-filling formula makes oil seal seat, is pressed oil sealing and sealing gland in advance, avoids oil sealing and the sealing gland lip in transportational process from colliding with, avoid
Occur during the installation process the defects of colliding with, scratch, while simplifying installation steps, alleviate the work intensity of worker, drop
Low worker operation requirement, improves success rate.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that the oil gas that automatic pneumatic tire of the invention seals seals schematic diagram；
Fig. 2 is the application schematic diagram for the oil gas envelope that automatic pneumatic tire of the invention seals；
Wherein: 1- oil sealing, 2- sealing gland, 3- skeleton, 4- spring, 5- teflon gasket, 6- semiaxis, 7- axle housing, 8- axis
It holds, 9- lubricating grease, 10- compressed gas channel, 11- wheel hub, 12- oil seal seat, 13- sealing ring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art under the premise of not making the creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of oil gas envelopes of automatic pneumatic tire sealing, exist to solve the above-mentioned prior art
The problem of, it solves automatic pneumatic tire high pressure gas and passes through semiaxis to the gas of tire and the sealing problem of lubricating oil.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
It is as Figure 1-Figure 2: to present embodiments provide a kind of oil gas envelope of automatic pneumatic tire sealing, apply and make in field
In the truck of industry, the travel speed of truck is 60km/h, and the oil gas envelope of the automatic pneumatic tire sealing of the present embodiment specifically includes
Oil sealing 1 and sealing gland 2, oil sealing 1 and sealing gland 2 are respectively two, and two sealing glands 2 are oppositely arranged, and the setting of sealing gland 2 is in 1 inside of oil sealing, oil
Envelope 1 and sealing gland 2 are back to setting.Sealing gland 2 and oil sealing 1 include skeleton 3, and skeleton 3 is made of 20 steel, can reinforce 1 He of oil sealing
The rigidity of sealing gland 2 is coated with rubber on the outside of skeleton 3, and 3 opposite side of skeleton is provided with sealing lip, and sealing lip is made of rubber,
Sealing lip is connect with one end of skeleton 3, is provided with spring 4 on the inside of sealing lip, spring 4 can compensate for wearing.The sealing lip of sealing gland 2
Outside is provided with teflon gasket 5, teflon gasket 5 with a thickness of 0.4mm-0.8mm, preferably 0.6mm, poly- four
The hardness of vinyl fluoride gasket 5 is higher and wear-resisting, can provide wear-compensating to sealing gland 2 and sealing gland 2 is produced because of dry friction
Raw high temperature problem.
The oil gas envelope of the automatic pneumatic tire sealing of the present embodiment is mounted on truck, and the diameter of axle of semiaxis 6 is 117mm, partly
The outside of axis 6 is provided with axle housing 7, and the outside of axle housing 7 is provided with the oil gas envelope of automatic pneumatic tire sealing, oil sealing 1 and sealing gland 2
Periphery is provided with oil seal seat 12, and sealing ring 13 is provided between oil seal seat 12 and wheel hub 11.One end of oil sealing 1 is provided with axis
8 are held, lubricant medium, specially lubricating grease 9 are filled between oil sealing 1 and bearing 8, lubricating grease 9 is initially without pressure, after truck operation
Pressure can reach 0.2MPa.Compressed gas channel 10 is provided between two sealing glands 2, the cross-sectional sizes in compressed gas channel 10 are
The entrance of 3mm, the pressure for the compressed gas being passed through about 0.8MPa, compressed gas channel 10 are arranged on axle housing 7, and compressed gas is logical
The outlet setting in road 10 is connected on wheel hub 11, and with tire.In truck operational process, the lubricating grease in the sealing of oil sealing 1 outside
9, guarantee to run well between semiaxis 6 and axle housing 7, can also play sealing pressure maintaining effect to gas of passing by one's way.Using the present embodiment
Automatic pneumatic tire sealing oil gas envelope, can normally continuously run 500 hours or more No leakages.
The present embodiment oil gas envelope uses integral press mounting mode, when making oil seal seat 12, is pressed oil sealing 1 and sealing gland 2 in advance, keeps away
Exempt from 2 lip of oil sealing 1 and sealing gland in transportational process collide with and occur during the installation process the defects of colliding with, scratch, simultaneously
Installation steps are simplified, the work intensity of worker is alleviated, worker operation requirement is reduced, improves success rate.
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (8)
1. a kind of oil gas envelope of automatic pneumatic tire sealing, it is characterised in that: including oil sealing and sealing gland, the oil sealing and the gas
Envelope is respectively two, and back to setting, the sealing gland is arranged in the axially external of the oil sealing for the oil sealing and the sealing gland, and two
The sealing gland is opposite and is disposed adjacent, and compressed gas channel, the oil sealing and the sealing gland are provided between two sealing glands
Outside be provided with oil seal seat.
2. the oil gas envelope of automatic pneumatic tire sealing according to claim 1, it is characterised in that: the sealing gland and the oil
Envelope includes skeleton, is coated with rubber on the outside of the skeleton, and the skeleton opposite side is provided with sealing lip, the sealing lip with
One end of the skeleton connects, and is provided with spring on the inside of the sealing lip.
3. the oil gas envelope of automatic pneumatic tire according to claim 2 sealing, it is characterised in that: the sealing gland it is described close
Teflon gasket is provided on the outside of envelope lip.
4. the oil gas envelope of automatic pneumatic tire sealing according to claim 3, it is characterised in that: the polytetrafluoroethylene (PTFE) pad
Piece with a thickness of 0.4mm-0.8mm.
5. the oil gas envelope of automatic pneumatic tire sealing according to claim 4, it is characterised in that: the polytetrafluoroethylene (PTFE) pad
Piece with a thickness of 0.6mm.
6. the oil gas envelope of automatic pneumatic tire sealing according to claim 2, it is characterised in that: the sealing lip uses rubber
Glue is made.
7. the oil gas envelope of automatic pneumatic tire sealing according to claim 2, it is characterised in that: the skeleton uses 20 steel
It is made.
8. the oil gas envelope of automatic pneumatic tire sealing according to claim 1, it is characterised in that: set on the outside of the oil seal seat
It is equipped with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811589555.9A CN109764135A (en) | 2018-12-25 | 2018-12-25 | A kind of oil gas envelope of automatic pneumatic tire sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811589555.9A CN109764135A (en) | 2018-12-25 | 2018-12-25 | A kind of oil gas envelope of automatic pneumatic tire sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109764135A true CN109764135A (en) | 2019-05-17 |
Family
ID=66451706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811589555.9A Pending CN109764135A (en) | 2018-12-25 | 2018-12-25 | A kind of oil gas envelope of automatic pneumatic tire sealing |
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| Country | Link |
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Citations (6)
| 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 |
| JPH08338535A (en) * | 1995-06-09 | 1996-12-24 | Koyo Seiko Co Ltd | Sealing device |
| WO2009093000A1 (en) * | 2008-01-22 | 2009-07-30 | Ftl Seals Technology Limited | Sealing assembly |
| CN102490549A (en) * | 2011-12-26 | 2012-06-13 | 中国重汽集团济南动力有限公司 | Rotary sealing device |
| CN206268449U (en) * | 2016-12-21 | 2017-06-20 | 北京福田康明斯发动机有限公司 | Crankshaft arrangement |
| 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 |
-
2018
- 2018-12-25 CN CN201811589555.9A patent/CN109764135A/en active Pending
Patent Citations (6)
| 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 |
| JPH08338535A (en) * | 1995-06-09 | 1996-12-24 | Koyo Seiko Co Ltd | Sealing device |
| WO2009093000A1 (en) * | 2008-01-22 | 2009-07-30 | Ftl Seals Technology Limited | Sealing assembly |
| CN102490549A (en) * | 2011-12-26 | 2012-06-13 | 中国重汽集团济南动力有限公司 | Rotary sealing device |
| CN206268449U (en) * | 2016-12-21 | 2017-06-20 | 北京福田康明斯发动机有限公司 | Crankshaft arrangement |
| 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 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190517 |
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| RJ01 | Rejection of invention patent application after publication |