CN201415611Y - Sealing structure of oil filling port - Google Patents
Sealing structure of oil filling port Download PDFInfo
- Publication number
- CN201415611Y CN201415611Y CN2009201320020U CN200920132002U CN201415611Y CN 201415611 Y CN201415611 Y CN 201415611Y CN 2009201320020 U CN2009201320020 U CN 2009201320020U CN 200920132002 U CN200920132002 U CN 200920132002U CN 201415611 Y CN201415611 Y CN 201415611Y
- Authority
- CN
- China
- Prior art keywords
- oil port
- hydraulic fluid
- fluid port
- port cover
- oil
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title abstract description 10
- 239000012530 fluid Substances 0.000 claims description 31
- 238000010276 construction Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 11
- 239000000945 filler Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
Images
Abstract
A sealing structure of an oil filling port includes an oil port cover with external threads and an oil port with a bayonet, and the external threads of the oil port cover are matched with the bayonetof the oil port. The sealing structure is characterized in that a sealing ring is arranged and fixed at the root part of the oil port cover. The sealing ring is an O-type ring. The external threads ofthe oil port cover are tapered threads. The threads of the oil port cover are screwed up with the bayonet of the oil port, so that the O-type ring bears radial pressures during the screwing process and is deformed for sealing, that is, the O-type ring is fixed on the oil filling port cover first, and then the O-type ring is compressed to be fixed between the oil port cover and the oil port and play the role of sealing after the tapered threads are screwed up with the bayonet at the oil port cover under the actions of the external threads of the oil port cover and the bayonet on the oil port.The structure is reliable and doesn't lose efficacy after long-term use; and in addition, the cost is low, and the sealing performance is good.
Description
Technical field
The utility model relates to a kind of oil filling port hermetically-sealed construction, especially relates to a kind of vehicle oil filler hermetically-sealed construction.
Background technology
At present, oil filler hermetically-sealed construction commonly used is that cap covers the bullet pad by oil filler and base is tightened, and utilizes cap upper spring gasket seal, or directly tightens with screw thread.Owing to tighten is to the sealing of the axle pressure of pad, adds cap after using for a long time, and the moment meeting out of reach required value of bullet pad and base or helicitic texture causes seal failure.In addition, said structure is high to the gasket material performance requriements that oil filler covers, usually can be because material loses sealing effectiveness after the long-time immersion of machine oil.
The utility model content
The purpose of this utility model provides a kind of oil filling port hermetically-sealed construction, solves present oil filling port hermetically-sealed construction and seals problem bad, easy inefficacy.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of oil filling port hermetically-sealed construction comprises the hydraulic fluid port with externally threaded hydraulic fluid port lid and bayonet socket, described hydraulic fluid port lid outside thread and hydraulic fluid port bayonet fittings; It is characterized in that: seal ring is set, and described seal ring is fixed on the root of hydraulic fluid port lid.
Described seal ring is an O type circle.
Further, the outside thread of described hydraulic fluid port lid is the screw thread that tapering is arranged.
Good effect of the present utility model:, in rundown process, seal by O type circle distortion after O type circle being produced radial pressure because hydraulic fluid port lid screw thread is tightened.Be that O type circle is fixed on earlier on the filler cap, cover bayonet-action on taper thread and the hydraulic fluid port by hydraulic fluid port, after the hydraulic fluid port lid is tightened by taper thread and bayonet socket, O type circle be compressed be fixed on that hydraulic fluid port covers and hydraulic fluid port between, seal.This reliable in structure, the long-time use can not lost efficacy yet, and cost is low, good airproof performance.
Below with reference to drawings and Examples, the utility model is carried out comparatively detailed explanation.
Description of drawings
Fig. 1 is an oil filling port hermetically-sealed construction cutaway view.
Among the figure: 1. hydraulic fluid port lid, 2. hydraulic fluid port, 3. seal ring, 4. negative thread bayonet socket.
The specific embodiment
Embodiment, as shown in Figure 1, a kind of oil filling port hermetically-sealed construction comprises the hydraulic fluid port lid 1 of being with taper thread and the hydraulic fluid port 2 of being with bayonet socket 4, described hydraulic fluid port lid 1 and hydraulic fluid port 2 are by taper thread and bayonet fittings.Seal ring 3 is set, and described seal ring is fixed on the root of hydraulic fluid port lid 1.Described seal ring is an O type circle.
This filler cap hermetically-sealed construction principle is that hydraulic fluid port lid screw thread is tightened, and seals by O type circle distortion after O type circle being produced radial pressure in rundown process.Be that O type circle is fixed on earlier on the filler cap, cover bayonet-action on taper thread and the hydraulic fluid port by hydraulic fluid port, after the hydraulic fluid port lid is tightened by taper thread and bayonet socket, O type circle be compressed be fixed on that hydraulic fluid port covers and hydraulic fluid port between, seal.This reliable in structure, the long-time use can not lost efficacy yet, and cost is low, good airproof performance.
Claims (3)
1, a kind of oil filling port hermetically-sealed construction comprises and is with externally threaded hydraulic fluid port lid and hydraulic fluid port with bayonet, described hydraulic fluid port lid outside thread and hydraulic fluid port bayonet fittings; It is characterized in that: seal ring is set, and described seal ring is fixed on the root of hydraulic fluid port lid.
2, oil filling port hermetically-sealed construction according to claim 1 is characterized in that: described seal ring is an O type circle.
3, oil filling port hermetically-sealed construction according to claim 1 and 2 is characterized in that: the outside thread of described hydraulic fluid port lid is the screw thread that tapering is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201320020U CN201415611Y (en) | 2009-05-20 | 2009-05-20 | Sealing structure of oil filling port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201320020U CN201415611Y (en) | 2009-05-20 | 2009-05-20 | Sealing structure of oil filling port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201415611Y true CN201415611Y (en) | 2010-03-03 |
Family
ID=41792021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201320020U Expired - Fee Related CN201415611Y (en) | 2009-05-20 | 2009-05-20 | Sealing structure of oil filling port |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201415611Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922987A (en) * | 2012-10-31 | 2013-02-13 | 常州市新西华亚工具有限公司 | Sealing cover of oil tank |
| CN113428369A (en) * | 2020-03-23 | 2021-09-24 | 海鹰航空通用装备有限责任公司 | Flexible oil extractor and unmanned aerial vehicle with same |
-
2009
- 2009-05-20 CN CN2009201320020U patent/CN201415611Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922987A (en) * | 2012-10-31 | 2013-02-13 | 常州市新西华亚工具有限公司 | Sealing cover of oil tank |
| CN113428369A (en) * | 2020-03-23 | 2021-09-24 | 海鹰航空通用装备有限责任公司 | Flexible oil extractor and unmanned aerial vehicle with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100303 Termination date: 20140520 |