CN205315910U - Universal pipe connects, aeroengine fires oiling system and aeroengine - Google Patents
Universal pipe connects, aeroengine fires oiling system and aeroengine Download PDFInfo
- Publication number
- CN205315910U CN205315910U CN201620029933.8U CN201620029933U CN205315910U CN 205315910 U CN205315910 U CN 205315910U CN 201620029933 U CN201620029933 U CN 201620029933U CN 205315910 U CN205315910 U CN 205315910U
- Authority
- CN
- China
- Prior art keywords
- pipe joint
- pipe coupling
- pass pipe
- pass
- aero
- 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
- 230000008878 coupling Effects 0.000 claims abstract description 87
- 238000010168 coupling process Methods 0.000 claims abstract description 87
- 238000005859 coupling reaction Methods 0.000 claims abstract description 87
- 238000007789 sealing Methods 0.000 claims description 26
- 238000002485 combustion reaction Methods 0.000 claims description 16
- 238000010304 firing Methods 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 26
- 230000008859 change Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses an universal pipe connects, aeroengine fires oiling system and aeroengine. The universal pipe who is used for aeroengine to fire the oiling system tube coupling connects, connect and the tee pipe coupling including single siphunculus, the tee pipe coupling through the tee pipe coupling link up the straight tube tube hole rotationally overlap locate the blind end that single siphunculus connects on, radially set up at least two and be used for the trompil that is linked together with the branch pipe of tee pipe coupling along what single siphunculus connected on the blind end that single siphunculus connects, circumference evenly distributed that the trompil connects along single siphunculus, single siphunculus joint is equipped with and is used for restricting the tee pipe coupling along single siphunculus joint shaft to the locating part that removes, it is used for sealed seal structure between single siphunculus joint and the tee pipe coupling to be equipped with on the faying face of single siphunculus joint and tee pipe coupling. Forming the tee pipe coupling and winding the revolution mechanic that single siphunculus joint carries out 360 free rotations, form the pipeline interconnection between tee pipe coupling and the single siphunculus joint, the leakproofness is good.
Description
Technical field
This utility model relates to aero-engine combustion oil system technical field of pipeline connection, especially, relates to a kind of universal pipe joint firing the connection of oil system pipeline for aero-engine. Additionally, this utility model further relates to a kind of aero-engine combustion oil system including the above-mentioned universal pipe joint firing the connection of oil system pipeline for aero-engine. Additionally, this utility model further relates to a kind of aero-engine including above-mentioned aero-engine combustion oil system.
Background technology
Pipe joint connected mode fires, as aero-engine, the normal method that oil system pipeline connects, and the pipe joint adopted at present has screw-in flared type free flow coupling, free flow coupling, 90 degree of union elbows, tee pipe coupling, four-way union and band screw-driving formula universal pipe joint etc. After tightening pipe joint, it is often necessary to ensure that the orientation of joint is to ensure the connection of pipeline, is at this moment accomplished by universal type pipe joint and connects.
Traditional universal type pipe joint in aero-engine adopts end face seal, this universal type pipe joint is higher to installation limit and screw in compression limit surface roughness requirements, thrust by screw ensures to seal, need to unscrew screw when changing pipe joint direction, it is easy to cause the leakage of oil of pipe joint place and inconvenient operation.
Utility model content
This utility model provides a kind of universal pipe joint, aero-engine combustion oil system and aero-engine, aero-engine universal pipe joint to solve prior art adopts end face seal, installation limit and screw in compression limit surface roughness requirements is higher, thrust by screw ensures to seal, need to unscrew screw when changing pipe joint direction, it is easy to cause the technical problem of the leakage of oil of pipe joint place and inconvenient operation.
According to an aspect of the present utility model, there is provided a kind of and fire the universal pipe joint that oil system pipeline connects for aero-engine, including single-pass pipe joint and tee pipe coupling, tee pipe coupling is sheathed on the blind end of single-pass pipe joint by the through straight tube pore of tee pipe coupling rotationally; Offering at least two perforate for being connected with the arm of tee pipe coupling along the radial direction of single-pass pipe joint on the blind end of single-pass pipe joint, perforate is uniformly distributed along the circumference of single-pass pipe joint; Single-pass pipe joint is provided with for limiting the locating part that tee pipe coupling moves axially along single-pass pipe joint; The faying face of single-pass pipe joint and tee pipe coupling is provided with the sealing structure for sealing between single-pass pipe joint and tee pipe coupling.
Further, the blind end of single-pass pipe joint offering four perforates, four perforates are equally spaced along the circumference of single-pass pipe joint.
Further, seal structure to include being opened in the outside wall surface of single-pass pipe joint and/or seal groove on the through straight tube internal face of tee pipe coupling and the O RunddichtringO of being located in seal groove.
Further, sealing structure and be provided with many groups, many groups seal structure and are respectively at the arm both sides of tee pipe coupling, form tee pipe coupling and connect the two-side sealing at position with single-pass pipe joint.
Further, locating part include being located in single-pass pipe joint outside wall surface for limit tee pipe coupling along single-pass pipe joint axially to the stairstepping limit configuration of sheathed displacement in the middle part of single-pass pipe joint and build-in in single-pass pipe joint outside wall surface for preventing the tee pipe coupling being set on single-pass pipe joint from the circlip come off single-pass pipe joint.
Further, the outside wall surface of single-pass pipe joint is provided with the axially compressed behavior for improving single-pass pipe joint and tee pipe coupling connecting portion hand-held six square head structures that single-pass pipe joint is exerted a force.
Further, in the outside wall surface of single-pass pipe joint and/or the arm outside wall surface of tee pipe coupling be provided with the external screw thread for being connected with cap nut.
Further, externally threaded link is arranged for the cone-shaped interface that docking build-in connects.
According to another aspect of the present utility model, additionally providing a kind of aero-engine combustion oil system, it includes the above-mentioned universal pipe joint firing the connection of oil system pipeline for aero-engine.
According to another aspect of the present utility model, additionally providing a kind of aero-engine, it includes above-mentioned aero-engine combustion oil system.
This utility model has the advantages that
The universal pipe joint that this utility model connects for aero-engine combustion oil system pipeline, tee pipe coupling is sheathed on single-pass pipe joint by the through straight tube of tee pipe coupling, forms tee pipe coupling and carries out 360 ° of rotational structures rotated freely around single-pass pipe joint; By the perforate that the pipeline offered on single-pass pipe joint with tee pipe coupling is connected, thus the pipeline interconnection formed between tee pipe coupling and single-pass pipe joint; And multiple perforates are evenly arranged along the circumference of single-pass pipe joint so that tee pipe coupling rotates around single-pass pipe joint and is respectively provided with the pipeline being interconnected to unspecified angle, keeps the unimpeded of pipeline, thus changing the flow direction of pipeline easily; Pass through locating part, it is ensured that tee pipe coupling axial limiting when single-pass pipe joint rotates; The sealing structure between tee pipe coupling and single-pass pipe joint is ensured, it is ensured that tee pipe coupling is the sealing of connecting portion when single-pass pipe joint rotates by sealing structure.
Except purpose described above, feature and advantage, this utility model also has other purpose, feature and advantage. Below with reference to figure, this utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing constituting the part of the application is used for providing being further appreciated by of the present utility model, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model. In the accompanying drawings:
Fig. 1 is the structural representation firing the universal pipe joint that oil system pipeline connects for aero-engine of this utility model preferred embodiment.
Marginal data:
1, single-pass pipe joint; 101, blind end; 2, tee pipe coupling; 201, through straight tube; 202, arm; 3, perforate; 4, locating part; 401, stairstepping limit configuration;402, circlip; 5, seal groove; 6, O RunddichtringO; 7, six square head structure; 8, external screw thread; 9, cone-shaped interface.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but this utility model can be implemented by following the multitude of different ways limiting and covering.
As shown in Figure 1, the universal pipe joint connected for aero-engine combustion oil system pipeline of the present embodiment, including single-pass pipe joint 1 and tee pipe coupling 2, tee pipe coupling 2 is sheathed on the blind end 101 of single-pass pipe joint 1 by through straight tube 201 pore of tee pipe coupling 2 rotationally; Offering at least two perforate 3 for being connected with the arm 202 of tee pipe coupling 2 along the radial direction of single-pass pipe joint 1 on the blind end 101 of single-pass pipe joint 1, perforate 3 is uniformly distributed along the circumference of single-pass pipe joint 1; Single-pass pipe joint 1 is provided with for limiting the locating part 4 that tee pipe coupling 2 moves axially along single-pass pipe joint 1; The faying face of single-pass pipe joint 1 and tee pipe coupling 2 is provided with the sealing structure for sealing between single-pass pipe joint 1 and tee pipe coupling 2. The universal pipe joint that this utility model connects for aero-engine combustion oil system pipeline, tee pipe coupling 2 is sheathed on single-pass pipe joint 1 by the through straight tube 201 of tee pipe coupling 2, forms tee pipe coupling 2 and carries out 360 ° of rotational structures rotated freely around single-pass pipe joint 1; By the perforate 3 that arm 202 pipeline offered on single-pass pipe joint 1 with tee pipe coupling 2 is connected, thus the pipeline interconnection formed between tee pipe coupling 2 and single-pass pipe joint 1; And multiple perforates 3 are evenly arranged along the circumference of single-pass pipe joint 1 so that tee pipe coupling 2 rotates around single-pass pipe joint 1 and is respectively provided with the pipeline being interconnected to unspecified angle, keep the unimpeded of pipeline, thus changing the flow direction of pipeline easily; By locating part 4, it is ensured that the tee pipe coupling 2 axial limiting when single-pass pipe joint 1 rotates; The sealing structure between tee pipe coupling 2 and single-pass pipe joint 1 is ensured, it is ensured that tee pipe coupling 2 is the sealing of connecting portion when single-pass pipe joint 1 rotates by sealing structure. Alternatively, seal structure and can adopt at least one in sealing ring, gasket seal, sealing ring. Alternatively, seal structure and can also adopt oil sealing.
As it is shown in figure 1, in the present embodiment, the blind end 101 of single-pass pipe joint 1 offers four perforates 3. Four perforates 3 are equally spaced along the circumference of single-pass pipe joint 1. The non-single diameter of through straight tube of tee pipe coupling 2, but broad in the middle, the stairstepping straight pipe that two is little. Tee pipe coupling 2 is positioned at the arbitrarily angled of single-pass pipe joint 1, and single-pass pipe joint 1 all connects with tee pipe coupling 2. Four perforates are set to reduce the flow resistance loss of oil circuit.
As it is shown in figure 1, in the present embodiment, seal structure and include being opened in the outside wall surface of single-pass pipe joint 1 and/or seal groove 5 on through straight tube 201 internal face of tee pipe coupling 2 and the O RunddichtringO 6 of being located in seal groove 5. It is capable of the sealing property in rotation process. Alternatively, O RunddichtringO 6 is along single-pass pipe joint 1 circumferentially. Alternatively, sealing structure and be set to hole grooved seal structure, namely slot in the through straight tube relevant position of tee pipe coupling 2, place wherein by O RunddichtringO 6, now single-pass pipe joint 1 is not slotted.
As it is shown in figure 1, in the present embodiment, seal structure and be provided with many groups. Many groups seal structure and are respectively at arm 202 both sides of tee pipe coupling 2, form tee pipe coupling 2 and connect the two-side sealing at position with single-pass pipe joint 1.
As shown in Figure 1, in the present embodiment, locating part 4 include being located in single-pass pipe joint 1 outside wall surface for limit tee pipe coupling 2 along single-pass pipe joint 1 axially to the stairstepping limit configuration 401 of sheathed displacement in the middle part of single-pass pipe joint 1 and build-in in single-pass pipe joint 1 outside wall surface for preventing the tee pipe coupling 2 being set on single-pass pipe joint 1 from the circlip 402 come off single-pass pipe joint 1. Form one end and fix spacing and other end elastic spacing position limiting structure, facilitate the assembling of structure, the axial force of the elastic performance buffering T-junction pipe joint 2 of circlip 402 can be utilized simultaneously.
As it is shown in figure 1, in the present embodiment, the outside wall surface of single-pass pipe joint 1 is provided with the axially compressed behavior for improving single-pass pipe joint 1 and tee pipe coupling 2 connecting portion hand-held six square head structures 7 that single-pass pipe joint 1 is exerted a force. Alternatively, six square head structures 7 are arranged with stairstepping limit configuration 401 laminating. Alternatively, six square head structures 7 adopt integral production molding with single-pass pipe joint 1. Alternatively, six square head structure 7 interference fit are connected in the outside wall surface of single-pass pipe joint 1. The reinforcement that single-pass pipe joint 1 is axial is formed, it is ensured that the tee pipe coupling 2 structural stability when single-pass pipe joint 1 rotates by six square head structures 7.
As it is shown in figure 1, in the present embodiment, in the outside wall surface of single-pass pipe joint 1 and/or arm 202 outside wall surface of tee pipe coupling 2 be provided with the external screw thread 8 for being connected with cap nut. The structure facilitating universal pipe joint is assembled. The convenient aero-engine that connects fires oil system Nei Ge road line member.
As it is shown in figure 1, in the present embodiment, the link of external screw thread 8 is arranged for the cone-shaped interface 9 that docking build-in connects. The assembly between joint and pipeline can be facilitated by cone-shaped interface 9, utilize the tapered slope of cone-shaped interface 9 can be slipped into easily in assembled pipeline.
The aero-engine combustion oil system of the present embodiment, including the above-mentioned universal pipe joint firing the connection of oil system pipeline for aero-engine.
The aero-engine of the present embodiment, fires oil system including above-mentioned aero-engine.
During enforcement, a kind of can change direction within the scope of 360 ° and there is the universal pipe joint of excellent sealing function. Adopt band circlip for shaft (circlip 402) spacing, the universal pipe joint of two O RunddichtringOs 6 radial seal. Particularly as follows: under ensureing the premise that circulation caliber requires, joint one end is designed as screw-in pipe joint (single-pass pipe joint 1), the other end is designed as flared fitting (tee pipe coupling 2), two ends can also be flared fitting (single-pass pipe joint 1 and tee pipe coupling 2), seal with two O RunddichtringOs 6, and carry out spacing with circlip for shaft (circlip 402).
A kind of universal pipe joint with back-up ring of the present embodiment, compared with traditional universal pipe joint structure, has and can change direction to adapt to pipeline connection within the scope of 360 ° when tightening, and reliable operation is simple and compact for structure, simple to operation.
As it is shown in figure 1, the link that tee pipe coupling 2 is designed to T-shaped tee pipe coupling, T-shaped tee pipe coupling and single-pass pipe joint 1 is designed as shoulder hole form small in ends broad in the middle, shoulder hole switching limit is equipped with chamfering. Single-pass pipe joint 1 is designed to screw-in pipe joint (can also be flared fitting), and tube outlet is provided with uniform hole (pore diameter size reply runner does not produce throttle effect), has the radial groove (seal groove 5) of mounting O-shaped sealing ring 6 and be used for installing the draw-in groove of circlip for shaft (circlip 402).Groove (seal groove 5), single-pass pipe joint 1 and shoulder hole size and surface roughness meet O RunddichtringO 6 mounting design requirement, it is ensured that assembling that O RunddichtringO 6 is good and sealing.
The present embodiment can change direction to adapt to pipeline connection within the scope of 360 ° when tightening, and adjusts orientation without loosening joint. Single-pass pipe joint 1 has uniform perforate 3, is used for changing the flow direction of combustion lubricating oil. Being matched in clearance between tee pipe coupling 2 and single-pass pipe joint 1, after tightening single-pass pipe joint 1, tee pipe coupling 2 remains to rotate within the scope of 360 ° of single-pass pipe joint 1 axis. Adopt the radial seal of two O RunddichtringOs 6. Circlip for shaft (circlip 402) is adopted to carry out axial limiting.
The present embodiment has can change direction to adapt to pipeline connection within the scope of 360 ° when tightening single-pass pipe joint 1, works relatively reliable, simple and compact for structure, installs simple and convenient. The universal pipe joint of the present embodiment has been verified in aero-engine grinding at certain, and combustion oil system operates steadily, and without oil leakage phenomenon, and tee pipe coupling 2 can arbitrarily rotate around single-pass pipe joint 1 axis.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations. All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. the universal pipe joint connected for aero-engine combustion oil system pipeline, it is characterised in that
Including single-pass pipe joint (1) and tee pipe coupling (2),
Described tee pipe coupling (2) is sheathed on the blind end (101) of described single-pass pipe joint (1) by through straight tube (201) pore of described tee pipe coupling (2) rotationally;
The described blind end (101) of described single-pass pipe joint (1) offers at least two perforate (3) for being connected with the arm of described tee pipe coupling (2) (202) along the radial direction of described single-pass pipe joint (1)
Described perforate (3) is uniformly distributed along the circumference of described single-pass pipe joint (1);
Described single-pass pipe joint (1) is provided with for limiting the locating part (4) that described tee pipe coupling (2) moves axially along described single-pass pipe joint (1);
The faying face of described single-pass pipe joint (1) and described tee pipe coupling (2) is provided with the sealing structure sealed against each other for described single-pass pipe joint (1) and described tee pipe coupling (2).
2. the universal pipe joint firing the connection of oil system pipeline for aero-engine according to claim 1, it is characterised in that
The described blind end (101) of described single-pass pipe joint (1) offers four perforates (3),
Four described perforates (3) are equally spaced along the circumference of described single-pass pipe joint (1).
3. the universal pipe joint firing the connection of oil system pipeline for aero-engine according to claim 1, it is characterised in that
Described sealing structure includes the seal groove (5) being opened in the outside wall surface of described single-pass pipe joint (1) and/or on described through straight tube (201) internal face of described tee pipe coupling (2) and the O RunddichtringO (6) being located in described seal groove (5).
4. the universal pipe joint firing the connection of oil system pipeline for aero-engine according to claim 3, it is characterised in that
Described sealing structure is provided with many groups,
The described sealing structure of many groups is respectively at described arm (202) both sides of described tee pipe coupling (2), forms described tee pipe coupling (2) and connects the two-side sealing at position with described single-pass pipe joint (1).
5. the universal pipe joint firing the connection of oil system pipeline for aero-engine according to any one of claim 1 to 4, it is characterised in that
Described locating part, (4) include being located at described single-pass pipe joint, (1) outside wall surface is used for limit described tee pipe coupling, (2) along described single-pass pipe joint, (1) axially to described single-pass pipe joint, (1) the stairstepping limit configuration of the sheathed displacement in middle part, (401) and build-in in described single-pass pipe joint, (1) outside wall surface is used for preventing from being set in described single-pass pipe joint, (1) the described tee pipe coupling on, (2) from described single-pass pipe joint, (1) circlip come off on, (402).
6. the universal pipe joint firing the connection of oil system pipeline for aero-engine according to claim 5, it is characterised in that
The outside wall surface of described single-pass pipe joint (1) is provided with the axially compressed behavior for improving described single-pass pipe joint (1) and described tee pipe coupling (2) connecting portion hand-held six square head structures (7) that described single-pass pipe joint (1) is exerted a force.
7. the universal pipe joint firing the connection of oil system pipeline for aero-engine according to any one of claim 1 to 4, it is characterised in that
In the outside wall surface of described single-pass pipe joint (1) and/or described arm (202) outside wall surface of described tee pipe coupling (2) be provided with the external screw thread (8) for being connected with cap nut.
8. the universal pipe joint firing the connection of oil system pipeline for aero-engine according to claim 7, it is characterised in that
The link of described external screw thread (8) is arranged for the cone-shaped interface (9) that docking build-in connects.
9. an aero-engine combustion oil system, it is characterised in that include the universal pipe joint firing the connection of oil system pipeline for aero-engine according to any one of claim 1 to 8.
10. an aero-engine, it is characterised in that include the aero-engine combustion oil system described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620029933.8U CN205315910U (en) | 2016-01-13 | 2016-01-13 | Universal pipe connects, aeroengine fires oiling system and aeroengine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620029933.8U CN205315910U (en) | 2016-01-13 | 2016-01-13 | Universal pipe connects, aeroengine fires oiling system and aeroengine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205315910U true CN205315910U (en) | 2016-06-15 |
Family
ID=56204322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620029933.8U Active CN205315910U (en) | 2016-01-13 | 2016-01-13 | Universal pipe connects, aeroengine fires oiling system and aeroengine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205315910U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556661A (en) * | 2018-06-01 | 2019-12-10 | 中兵航联科技股份有限公司 | Cable assembly based on aviation steering valve system |
| 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 |
| CN113309615A (en) * | 2021-07-01 | 2021-08-27 | 沈阳航天新光集团有限公司 | Single-shaft type inertial rocker arm oil taking device |
-
2016
- 2016-01-13 CN CN201620029933.8U patent/CN205315910U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556661A (en) * | 2018-06-01 | 2019-12-10 | 中兵航联科技股份有限公司 | Cable assembly based on aviation steering valve system |
| 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 |
| CN113309615A (en) * | 2021-07-01 | 2021-08-27 | 沈阳航天新光集团有限公司 | Single-shaft type inertial rocker arm oil taking device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205315910U (en) | Universal pipe connects, aeroengine fires oiling system and aeroengine | |
| US11506107B2 (en) | Arrangement and method for connecting fluid-conducting components, more particularly in the exhaust gas line of a motor vehicle | |
| CN207649467U (en) | A kind of cylindrical shape nacelle axial direction connection structure for preventing Internal cable from winding | |
| CN104455815B (en) | Tapered sealing pipe connector for excavator | |
| CN210153366U (en) | Pipe connecting piece | |
| CN205877494U (en) | Cartridge that connects of pipeline is put | |
| CN205226682U (en) | Sealing joint , connecting pipe and pipeline | |
| CN108626504B (en) | Quick connector | |
| CN204459561U (en) | The effective joint of a kind of non-adhesive flexible compound | |
| CN104534217A (en) | Union elbow capable of being assembled with adjustable angle | |
| CN204372424U (en) | The union elbow of angle adjustable assembling | |
| CN204284716U (en) | A kind of excavator cone sealing pipe joint | |
| CN211853121U (en) | Extension joint | |
| CN202901668U (en) | Right-angle connector assembly capable of adjusting installation orientation | |
| US7055865B2 (en) | Lateral connection system | |
| CN105333247B (en) | Seal nipple, connecting tube and pipeline | |
| CN203477659U (en) | Engine fuel oil pipeline | |
| CN203614947U (en) | Engine joint component | |
| CN207189581U (en) | A kind of sealing ring mounting tool | |
| CN201772170U (en) | L-shaped rotating quick connector | |
| CN206988789U (en) | A kind of adapter assembly of the flat transverse tube of oil | |
| CN105840929B (en) | A kind of straight coupling of spline locking circumferential free degree | |
| CN205877518U (en) | Stop valve | |
| CN205298904U (en) | High accuracy swivel joint | |
| CN206386191U (en) | The fast connection interface of motor vehicle fuel pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee after: AECC HUNAN AVIATION POWERPLANT Research Institute Country or region after: China Address before: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee before: CHINA AVIATION POWER MACHINERY INSTITUTE Country or region before: China |
|
| CP03 | Change of name, title or address |