CN203477705U - Lubricating pipe assembly - Google Patents
Lubricating pipe assembly Download PDFInfo
- Publication number
- CN203477705U CN203477705U CN201320540731.6U CN201320540731U CN203477705U CN 203477705 U CN203477705 U CN 203477705U CN 201320540731 U CN201320540731 U CN 201320540731U CN 203477705 U CN203477705 U CN 203477705U
- Authority
- CN
- China
- Prior art keywords
- oil
- pipe
- oil pipe
- oil connection
- nut
- 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.)
- Active
Links
- 230000001050 lubricating Effects 0.000 title abstract 4
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 239000000314 lubricant Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 229920001973 fluoroelastomer Polymers 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 92
- 230000000875 corresponding Effects 0.000 abstract 3
- 238000005260 corrosion Methods 0.000 abstract 1
- 239000010705 motor oil Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001808 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002452 interceptive Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000001503 Joints Anatomy 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a lubricating pipe assembly which comprises an oil pipe. Two ends of the oil pipe are respectively connected with an oil pipe joint, each oil pipe joint is provided with a through hole in the outer end portion, a hollow bolt penetrates the corresponding through hole, the upper end and the lower end at the joint where each oil pipe joint and the corresponding hollow bolt are connected are provided with a sealing washer used for sealing, the inner end portion of each oil pipe joint is connected with the oil pipe through a pipe nut, the outer surface of the inner end portion of each oil pipe joint is provided with a thread used for being connected with the pipe nut, a sealing gasket is arranged between the inner end surface of each oil pipe joint and the corresponding pipe nut, the upper and lower ends of the outer end portion of each oil pipe joint are respectively provided with ring slots, and each ring groove is provided with the sealing washer. According to the arrangement, airtightness and engine oil corrosion resistance of the lubricating pipe are improved, and the lubricating pipe assembly has the advantages of being small in mounting space, adjustable in pipeline direction, attractive in appearance, convenient to mount and demount and the like, and by soft connection of the long pipeline, the problem of oil leakage caused by vibration can be avoided.
Description
Technical field
The utility model relates to a kind of lubricant pipe assembly.
Background technique
As depicted in figs. 1 and 2, existing lubricant pipe assembly comprises oil pipe 4, the two ends of oil pipe 4 are connected with respectively oil connection 3, the outer end of each oil connection 3 is provided with through hole, in through hole, be equipped with hollow bolt 1, hollow bolt 1 is provided with oil-through hole 5, oil connection 3 is respectively equipped with the seal washer 2 for sealing with the two ends up and down of hollow bolt 1 joint, the seal washer of bottom is directly fitted between the two, the seal washer on top is sleeved on hollow bolt, and this kind of sealing configuration oil connection 3 often occurs Leakage with the joint of hollow bolt 1.The general welding manner that adopts of existing oil pipe 4 and oil connection 3 is realized both connections, and this kind of connection belongs to and be rigidly connected, and is shaken or abnormal external force oil pipe 4 and oil connection 3 easily rupture from weld.Because oil pipe 4 and oil connection 3 adopts, be rigidly connected, the size of full pipeline is not easy to control, after oil pipe one end is fixing, need to the bend shape of oil pipe of one end connects in addition, make pipeline stress deformation and unbalance stress, the shape of whole oil pipe and bending direction cannot regulate, and easily cause interference.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of lubricant pipe assembly of good airproof performance.
For solving the problems of the technologies described above, the utility model comprises oil pipe, the two ends of oil pipe are connected with respectively oil connection, the outer end of each oil connection is provided with through hole, in through hole, be equipped with hollow bolt, the two ends up and down of oil connection and hollow bolt joint are respectively equipped with the seal washer for sealing, its structural feature is that the inner end of described oil connection is connected by pipe nut with oil pipe, the outer surface of oil connection inner end is provided with the screw thread for being connected with pipe nut, between the interior edge face of described oil connection and pipe nut, be provided with sealing gasket, the two ends up and down of described oil connection outer end are respectively equipped with annular groove, in annular groove, be provided with seal washer.
Oil connection is inserted in the end of described oil pipe, and the external diameter of described oil pipe inserting paragraph is increased outward gradually by the inner, in the space between oil pipe outer surface and oil connection internal surface, is provided with seal ring.
Described seal ring is fluororubber O-type seal ring.
Described annular groove arranges with through hole is concentric, and its internal diameter equals the external diameter of through hole.
The outer surface of described oil connection inner end is equipped with and the positive stop lug boss of managing nut and matching.
Described oil pipe comprises left pipeline section and right pipeline section, and left pipeline section is connected by steel band woven tube with right pipeline section.
Described seal washer is polytetrafluoroethylene sealing gasket circle.
Described sealing gasket is fluorine rubber sealing gasket.
Adopt after said structure, oil connection upper and lower end is provided with annular groove, annular groove is close to the setting of oil connection internal surface, seal washer is put into this annular groove, thereby realizes the sealing to hollow bolt, annular groove the good disalignment problem that has solved seal washer and hollow bolt is set, prevent that seal washer pressure from damaging partially afterwards or unbalance stress causes leakage of oil, sealing gasket adopts polytetrafluoroethylene sealing gasket simultaneously, and polytetrafluoroethylene sealing gasket has better sealing and oil resistance, can repeatedly dismantle use.Oil connection is connected with oil pipe by pipe nut, and the end of oil pipe is flaring structure, and oil pipe and oil connection adopt radial seal in oil pipe enlarging place, seal ring to be set, and realize the sealing between oil pipe and oil connection.Between pipe nut and the interior edge face of oil connection, sealing gasket is housed, realizes the sealing of pipe nut and oil connection, this position is end face seal.Radial seal and end face seal mutual noninterference, sealing effect is better, and simultaneously seal ring and sealing gasket can play the effect of damping vibration, very big have reduced the destruction of vibrations to oil pipe.Oil pipe direction before fixing by union nut can arbitrarily be rotated, and the structure of a whole like this lubricant pipe and direction have just had variation, prevent from interfering with other parts and space layout and versatility on be significantly improved.One section of steel band woven tube is set on oil pipe, when tubing length is improper, can adjusts crooked this section of steel band woven tube and realize installation, can also reduce the effect of vibrations simultaneously.The utility model has improved sealing and the resistance to machine oil corrosivity of lubricant pipe, can realize installing space little simultaneously, and pipeline direction is adjustable, the Leakage that the soft connection of long pipe runs avoids vibrations to cause, and it is good to have outward appearance, the advantages such as convenient disassembly.
Accompanying drawing explanation
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of prior art;
Fig. 2 is the enlarged diagram of A portion in Fig. 1;
Fig. 3 structural representation of the present utility model;
Fig. 4 is the plan view of Fig. 3;
Fig. 5 is the enlarged diagram of B portion in Fig. 4;
Fig. 6 is the enlarged diagram of C portion in Fig. 4.
Embodiment
As shown in Figures 3 to 6, lubricant pipe assembly comprises oil pipe 4, oil pipe 4 comprises left pipeline section 41, steel band woven tube 43 and right pipeline section 42, and the two ends of steel band woven tube 43 are respectively equipped with hose coupling 10, thereby hose coupling 10 is connected with right pipeline section 42 connection that realizes oil pipe with left pipeline section 41 respectively.The right-hand member of the left end of left pipeline section 41 and right pipeline section 42 is connected with respectively oil connection 3, the outer end of each oil connection 3 is provided with through hole away from oil pipe end, the axis of through hole is perpendicular to the axis of oil pipe, in through hole, be equipped with hollow bolt 1, hollow bolt 1 is provided with a plurality of oil-through holes 5, the two ends up and down of oil connection 3 outer ends are respectively equipped with annular groove, annular groove arranges with through hole is concentric, and its internal diameter equals the external diameter of through hole, in annular groove, be provided with seal washer 2, after the annular groove of this kind of structure makes hollow bolt 1 be connected with oil connection 3, the internal surface of seal washer 2 can be close to hollow bolt 1, and seal washer 2 can be coaxial with hollow bolt 1 all the time in compaction process, prevent that seal washer 2 from being affected sealing partially by pressure, in the utility model, seal washer 2 is selected sealing, oil resistance and detachability be good polytetrafluoroethylene sealing gasket circle all.
The inner end of oil connection 3 (with oil pipe connecting end) is connected by pipe nut 6 with oil pipe, the outer surface of oil connection 3 inner ends is equipped with and the positive stop lug boss 7 of managing nut 6 and matching, the outer surface of the pipeline section of oil connection 3 between positive stop lug boss 7 and oil connection 3 ends is provided with the screw thread for being connected with pipe nut 6, between the interior edge face of oil connection 3 and pipe nut 6, be provided with sealing gasket 8, sealing gasket 8 adopts fluorine rubber sealing gasket.The end of oil pipe is the inner that oil connection 3 is inserted in the left part of left pipeline section 41 or the right part of right pipeline section 42, the external diameter of oil pipe inserting paragraph is increased outward gradually by the inner, the end that is oil pipe is bell mouth shape, in space between oil pipe outer surface and oil connection 3 internal surfaces, be provided with seal ring 9, when pipe nut 6 is connected oil pipe with oil connection 3, along with pipe nut 6 is constantly tightened, seal ring 9 is pressed in the gap between oil pipe outer surface and oil connection internal surface, thereby by both joint sealings, in the utility model, seal ring 9 adopts fluororubber O-type seal ring.Oil connection 3 adopts end face seal and two kinds of sealing means of radial seal with oil pipe joint, has guaranteed the sealing of both joints, and sealing gasket 8 and seal ring 9 can play the effect of damping vibration simultaneously, has greatly reduced the destruction of vibrations to oil pipe assembly.Oil pipe is before fixing with pipe nut 6, and the direction of oil pipe can arbitrarily be rotated, and the structure of a whole like this lubricant pipe and direction have just had variation, prevent from interfering with other parts and space is arranged and versatility on be significantly improved.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model.Previous embodiment has been described in detail the utility model, and for a person skilled in the art, its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement.In every case within inventive concept scope of the present utility model, any modification of making, be equal to replacement, improvement etc., within being all included in protection domain of the present utility model.
Claims (8)
1. a lubricant pipe assembly, comprise oil pipe (4), the two ends of oil pipe (4) are connected with respectively oil connection (3), the outer end of each oil connection (3) is provided with through hole, in through hole, be equipped with hollow bolt (1), oil connection (3) is respectively equipped with the seal washer (2) for sealing with the two ends up and down of hollow bolt (1) joint, the inner end that it is characterized in that described oil connection (3) is connected by pipe nut (6) with oil pipe (4), the outer surface of oil connection (3) inner end is provided with the screw thread for being connected with pipe nut (6), between the interior edge face of described oil connection (3) and pipe nut (6), be provided with sealing gasket (8), the two ends up and down of described oil connection (3) outer end are respectively equipped with annular groove, in annular groove, be provided with seal washer (2).
2. lubricant pipe assembly according to claim 1, oil connection (3) is inserted in the end that it is characterized in that described oil pipe (4), the external diameter of described oil pipe (4) inserting paragraph is increased outward gradually by the inner, in the space between oil pipe (4) outer surface and oil connection (3) internal surface, is provided with seal ring (9).
3. lubricant pipe assembly according to claim 2, is characterized in that described seal ring (9) is fluororubber O-type seal ring.
4. lubricant pipe assembly according to claim 1, it is characterized in that described annular groove and through hole are concentric to arrange, and its internal diameter equals the external diameter of through hole.
5. lubricant pipe assembly according to claim 1, the outer surface that it is characterized in that described oil connection (3) inner end is equipped with and the positive stop lug boss (7) of managing nut (6) and matching.
6. according to the lubricant pipe assembly described in claim 1 to 5 any one, it is characterized in that described oil pipe (4) comprises left pipeline section (41) and right pipeline section (42), left pipeline section (41) is connected by steel band woven tube (43) with right pipeline section (42).
7. lubricant pipe assembly according to claim 6, is characterized in that described seal washer (2) is polytetrafluoroethylene sealing gasket circle.
8. lubricant pipe assembly according to claim 6, is characterized in that described sealing gasket (8) is fluorine rubber sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320540731.6U CN203477705U (en) | 2013-09-02 | 2013-09-02 | Lubricating pipe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320540731.6U CN203477705U (en) | 2013-09-02 | 2013-09-02 | Lubricating pipe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203477705U true CN203477705U (en) | 2014-03-12 |
Family
ID=50226036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320540731.6U Active CN203477705U (en) | 2013-09-02 | 2013-09-02 | Lubricating pipe assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203477705U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179419A (en) * | 2015-09-11 | 2015-12-23 | 河南航天精工制造有限公司 | Sealing bolt and installing structure using sealing bolt |
| CN110966095A (en) * | 2019-11-18 | 2020-04-07 | 中国航发沈阳黎明航空发动机有限责任公司 | Detachable lubricating oil main pipe structure for central transmission mechanism of aircraft engine |
-
2013
- 2013-09-02 CN CN201320540731.6U patent/CN203477705U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179419A (en) * | 2015-09-11 | 2015-12-23 | 河南航天精工制造有限公司 | Sealing bolt and installing structure using sealing bolt |
| CN110966095A (en) * | 2019-11-18 | 2020-04-07 | 中国航发沈阳黎明航空发动机有限责任公司 | Detachable lubricating oil main pipe structure for central transmission mechanism of aircraft engine |
| CN110966095B (en) * | 2019-11-18 | 2021-08-24 | 中国航发沈阳黎明航空发动机有限责任公司 | Detachable lubricating oil main pipe structure for central transmission mechanism of aircraft engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203823269U (en) | Pipeline sealing assembly for dynamic pipeline system | |
| CN203477705U (en) | Lubricating pipe assembly | |
| CN104075049A (en) | Pipe joint structure | |
| CN201964057U (en) | Hard metal pipe connector with self-adaptive function in assembly | |
| CN203784518U (en) | Flexible brake hose for water conservancy machinery for farmland | |
| CN102359675A (en) | Novel seal joint | |
| CN209340693U (en) | A kind of damper connector with oil gas tank | |
| CN204042238U (en) | A kind of composite type connector lug | |
| CN107166118B (en) | A kind of method for repairing and mending based on New corrugated pipe repairing connector | |
| CN204141117U (en) | Fuel gas transmission stainless steel corrugated flexible hose leads directly to pipe fitting | |
| CN203477704U (en) | Metal hose 360-degree rotatable twisting prevention connecting structure | |
| CN203718188U (en) | Automotive oil pipe joint | |
| CN204942776U (en) | The straight-through of a kind of water purifier wears socket joint head | |
| CN204677980U (en) | Exempt from pipeline leakage-mending device of getting angry | |
| CN204493962U (en) | Dock PNEUMATIC TUBE joint integration module | |
| CN204611026U (en) | A kind of socket joint type valve and use the pipe-line system of this socket joint type valve | |
| CN204004905U (en) | A kind of pipe fitting joint structure | |
| CN203717920U (en) | Sealing joint | |
| CN207221171U (en) | A kind of efficiently installation indoor fire hydrant | |
| CN102913709A (en) | Rigid pipe joint with the telescopic compensation function | |
| CN209587419U (en) | A kind of flange plate connector | |
| CN210452044U (en) | Pipe drawing-free structure for driving lubrication | |
| CN201237040Y (en) | Sealing connection device for clamp connector pipeline | |
| CN202834549U (en) | Rigid pipe joint with extensible offset function | |
| CN212509496U (en) | Rubber gasket for pipeline joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |