CN113803551A - Hot end part pipeline connection sealing structure and aircraft engine thereof - Google Patents
Hot end part pipeline connection sealing structure and aircraft engine thereof Download PDFInfo
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- CN113803551A CN113803551A CN202111056317.3A CN202111056317A CN113803551A CN 113803551 A CN113803551 A CN 113803551A CN 202111056317 A CN202111056317 A CN 202111056317A CN 113803551 A CN113803551 A CN 113803551A
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- groove
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- oil pipe
- connection
- sealing structure
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0237—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member specially adapted for use with attachments, e.g. reduction units, T-pieces, bends or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a pipeline connection sealing structure of a hot end part, which is characterized in that an internal oil pipe is connected with an internal oil circuit of a casing, then a first connecting end of an intermediate pipe joint is sleeved on the internal oil pipe, a snap ring is assembled in a second clamping groove of the external oil pipe, an outer nut is assembled on the external oil pipe, and the outer nut is fixed on the intermediate pipe joint through a steel wire thread insert. Therefore, the pipeline connecting and sealing structure is not easy to be thermally deformed relative to the existing common threaded structure through the end face attaching constraint in all directions, the combination form of the steel wire thread insert threaded connecting structure and the push-pull force between the clamping ring and the outer sleeve threads, the self-locking force during the steel wire thread insert threaded connection enables the parts to be stably connected, the sealing performance of the pipeline connecting and sealing structure during the working of the hot end part is further improved, and the risk of lubricating oil leakage caused by the fact that the sealing performance is damaged due to thermal deformation is avoided.
Description
Technical Field
The invention relates to the technical field of pipeline connection of aero-engines, in particular to a pipeline connection sealing structure of a hot end component. In addition, the invention also relates to an aircraft engine comprising the hot end component pipeline connection sealing structure.
Background
When a hot end part of an aircraft engine works, the working temperature generally exceeds 200 ℃, the existing hot end part pipeline connecting and sealing structure is generally connected through a common threaded structure, the common threaded connecting structure is easy to deform during working at high temperature, and the sealing performance of the hot end part pipeline connecting and sealing structure is further damaged, so that lubricating oil in the hot end part pipeline is leaked.
Therefore, the existing hot end component pipeline connection sealing structure is easy to be subjected to thermal deformation and leak oil in the working process, and the risk of triggering fire alarm and causing flight fault in the flight process of the airplane exists.
Disclosure of Invention
The invention provides a hot end part pipeline connecting and sealing structure and an aero-engine thereof, which aim to solve the technical problem that lubricating oil is easy to leak due to thermal deformation in the working process of the existing hot end part pipeline connecting and sealing structure.
According to one aspect of the invention, a hot end part pipeline connection sealing structure is provided, which comprises an internal oil pipe for communicating an internal oil path of a casing, an intermediate pipe joint connected with the internal oil pipe, an external oil pipe connected with the intermediate pipe joint, an outer nut sleeved on the connecting part of the intermediate pipe joint and the external oil pipe, and a snap ring in clamping fit with the external oil pipe and the outer nut, wherein the intermediate pipe joint is respectively provided with a first connecting end connected with the internal oil pipe and a second connecting end connected with the external oil pipe, the external oil pipe is provided with a connecting head which is formed by extending radially outwards and is connected with the second connecting end, the outer wall of the connecting head is mutually attached to the inner wall of the second connecting end, the inner side wall of the outer nut is provided with a steel wire threaded sleeve, the outer side wall of the second connecting end is provided with a first external thread in threaded connection with the steel wire threaded sleeve, and the inner side wall of the outer nut is radially concavely provided with a first clamping groove in clamping fit with the snap ring, the outer side wall of the connector is radially and concavely provided with a second clamping groove which is clamped and matched with the clamping ring.
Further, inside oil pipe is equipped with the first installation end of being connected with first link and is used for connecting the second installation end of quick-witted casket, first link is equipped with first spread groove and the second spread groove of arranging from inside to outside in proper order, first spread groove and the combination of second spread groove constitute the ladder-shaped groove that radial dimension increases from inside to outside sudden change, first installation end is equipped with respectively radially outwards extends the formation with first spread groove grafting complex first connecting portion and with second spread groove grafting complex second connecting portion, first connecting portion pass the second spread groove and are connected with first spread groove, the outer wall of first connecting portion laminates with the inner wall of first spread groove each other.
Further, the section shape of the outer side wall of the second connecting portion is hexagonal, the section shape of the second connecting groove is twelve square, and the outer side wall of the second connecting portion is in interference fit with the groove wall of the second connecting groove.
Further, still include first sealing rubber ring, the lateral wall of first connecting portion is radially sunken to be equipped with first mounting groove, and first sealing rubber ring is installed in first mounting groove and is hugged closely with the cell wall of first connecting groove.
Further, a first transition groove for buffer fitting is provided between a groove bottom in the axial direction of the first connecting groove and an outer wall in the axial direction of the first connecting portion.
Further, a second transition groove for assembly is further arranged between the outer wall of the second connecting end in the axial direction and the inner wall of the outer sleeve nut in the axial direction.
Furthermore, the front end of the outer side wall of the connector is a sealing conical surface, and the inner side wall of the second connecting end is provided with a sealing conical wall tightly attached to the sealing conical surface.
Further, still include the second rubber sealing ring, the lateral wall of connector is radially sunken to be equipped with the second mounting groove, and the second rubber sealing ring is installed in the second mounting groove and is hugged closely with the inside wall of second link.
Furthermore, the outer side wall of the first connecting end is provided with a mounting edge extending outwards in the radial direction, and the mounting edge is provided with two axially symmetrical mounting holes for fixing the intermediate pipe joint on the casing.
According to another aspect of the invention, an aircraft engine is also provided, which comprises the hot end component pipe connection sealing structure.
The invention has the following beneficial effects:
the invention relates to a hot end part pipeline connection sealing structure, which comprises an inner oil pipe connected with an inner oil circuit of a casing, a first connecting end of an intermediate pipe joint sleeved on the inner oil pipe, a snap ring assembled in a second clamping groove of the outer oil pipe, an outer nut assembled on the outer oil pipe, the outer nut fixed on the intermediate pipe joint through a steel wire thread insert, and an outer oil pipe inserted and assembled in the inner wall of the second connecting end of the intermediate pipe joint, so that the outer wall of the connector of the outer oil pipe is attached to the inner wall of the second connecting end, and the outer nut pushes the intermediate pipe joint to the outer oil pipe and pulls the outer oil pipe to the intermediate pipe joint during the thread connection process due to the clamping action of the snap ring, so that the connecting end surfaces of the outer oil pipe and the intermediate pipe joint are tightly connected under the mutual cooperative push-pull force of the snap ring and the outer nut, thereby forming an outer oil pipe, The outer sleeve nut and the clamping ring are connected in an associated mode and are restrained with each other, so that tight connection between the components is achieved. Therefore, because the inside connection terminal surface of outside oil pipe and medium coupling is laminated each other, the outside connection terminal surface of medium coupling and the steel wire swivel nut threaded connection of overcoat nut simultaneously, to the terminal surface laminating restraint of all directions, the form that steel wire swivel nut threaded connection structure combined together and the push-and-pull force effect between snap ring and the overcoat nut make the pipe connection seal structure be difficult for the thermal deformation for current ordinary helicitic texture, and the self-locking force when steel wire swivel nut threaded connection makes to connect between the part firm, further improvement hot junction part during operation pipe connection seal structure's sealing performance, thereby avoided the risk that leads to the lubricating oil to reveal because of thermal deformation destroys the leakproofness.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a hot end component tube connection seal arrangement in accordance with a preferred embodiment of the present invention;
fig. 2 is a schematic view of the structure of the intermediate pipe joint in the hot end part pipe connection sealing structure according to the preferred embodiment of the present invention.
Illustration of the drawings:
1. an internal oil pipe; 2. an intermediate pipe joint; 21. a first connection end; 211. a first connecting groove; 212. a second connecting groove; 213. installing edges; 2131. mounting holes; 22. a second connection end; 221. sealing the conical wall; 3. an external oil pipe; 31. a connector; 311. sealing the conical surface; 4. a nut is sleeved; 41. a steel wire thread insert; 5. a snap ring; 6. a first sealing rubber ring; 7. and a second sealing rubber ring.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
FIG. 1 is a schematic structural view of a hot end component tube connection seal arrangement in accordance with a preferred embodiment of the present invention; fig. 2 is a schematic view of the structure of the intermediate pipe joint in the hot end part pipe connection sealing structure according to the preferred embodiment of the present invention.
As shown in fig. 1 and 2, the hot end component pipeline connection sealing structure of the present embodiment includes an internal oil pipe 1 for communicating an internal oil path of a casing, an intermediate pipe joint 2 connected to the internal oil pipe 1, an external oil pipe 3 connected to the intermediate pipe joint 2, an outer nut 4 sleeved on a connection portion of the intermediate pipe joint 2 and the external oil pipe 3, and a snap ring 5 clamped and matched with the external oil pipe 3 and the outer nut 4, the intermediate pipe joint 2 is respectively provided with a first connection end 21 connected to the internal oil pipe 1 and a second connection end 22 connected to the external oil pipe 3, the external oil pipe 3 is provided with a connection head 31 extending radially outward to be connected to the second connection end 22, an outer wall of the connection head 31 is attached to an inner wall of the second connection end 22, an inner side wall of the outer nut 4 is provided with a steel wire thread insert 41, an outer side wall of the second connection end 22 is provided with a first external thread connected to the steel wire insert 41, the inner side wall of the outer nut 4 is radially and concavely provided with a first clamping groove which is clamped and matched with the snap ring 5, and the outer side wall of the connector 31 is radially and concavely provided with a second clamping groove which is clamped and matched with the snap ring 5. Specifically, the hot end component pipeline connection sealing structure of the invention comprises the steps of firstly connecting an internal oil pipe 1 with an internal oil circuit of a casing, then sleeving a first connecting end 21 of an intermediate pipe joint 2 on the internal oil pipe 1, assembling a snap ring 5 in a second clamping groove of an external oil pipe 3, assembling an outer nut 4 on the external oil pipe 3, fixing the outer nut 4 on the intermediate pipe joint 2 through a steel wire threaded sleeve 41 in a threaded manner, simultaneously inserting and assembling the external oil pipe 3 in an inner wall of a second connecting end 22 of the intermediate pipe joint 2, so that an outer wall of a connector 31 of the external oil pipe 3 is attached to an inner wall of the second connecting end 22, and due to the clamping action of the snap ring 5, the outer nut 4 pushes the intermediate pipe joint 2 towards the external oil pipe 3 and simultaneously pulls the external oil pipe 3 towards the intermediate pipe joint 2, so that the connecting end surfaces of the external oil pipe 3 and the intermediate pipe joint 2 are tightly connected under the mutual cooperative push-pull force of the snap ring 5 and the outer nut 4, thereby forming an associative connection between the outer tubing 3, the outer nut 4 and the snap ring 5 and constraining each other to achieve a tight connection between the components. Therefore, because the inside connection terminal surface of outside oil pipe 3 and medium coupling 2 laminates each other, the outside connection terminal surface of medium coupling 2 and the wire thread insert 41 threaded connection of housing nut 4 simultaneously, the form that the terminal surface laminating restraint and the wire thread insert 41 threaded connection structure that to all directions combined together and the push-and-pull effect between snap ring 5 and the housing nut 4 make the pipe connection seal structure be difficult for the thermal deformation for current ordinary helicitic texture, and the self-locking force when the wire thread insert 41 threaded connection makes to be connected between the part firm, further improvement the sealing performance of hot end part during operation pipe connection seal structure, thereby avoided leading to the risk that lubricating oil reveals because of thermal deformation destroys the leakproofness. It should be understood that the inner oil pipe 1 is provided with a first oil passage for communicating with the inner oil passage of the casing, the intermediate pipe joint 2 is provided with a second oil passage communicating with the first oil passage, and the outer oil passage is provided with a third oil passage communicating with the second oil passage through the joint 31.
As shown in fig. 1 and 2, in this embodiment, the internal oil pipe 1 is provided with a first mounting end connected to the first connection end 21 and a second mounting end for connecting to the casing, the first connection end 21 is provided with a first connection groove 211 and a second connection groove 212 which are sequentially arranged from inside to outside, the first connection groove 211 and the second connection groove 212 are combined to form a stepped groove with a radial dimension increasing from inside to outside, the first mounting end is respectively provided with a first connection portion which is formed by radially extending outwards and is in plugging fit with the first connection groove 211 and a second connection portion which is formed by radially extending outwards and is in plugging fit with the second connection groove 212, the first connection portion penetrates through the second connection groove 212 to be connected with the first connection groove 211, and the outer wall of the first connection portion is attached to the inner wall of the first connection groove 211. Specifically, the outer wall of the first connection portion and the inner wall of the first connection groove 211 are attached to each other to improve the sealing performance between the internal oil pipe 1 and the medium pipe joint 2, and the second connection groove 212 and the second connection portion are limited to each other to enable the internal oil pipe 1 and the medium pipe joint 2 to be compactly connected.
As shown in fig. 1 and 2, in the present embodiment, the outer side wall of the second connection portion has a hexagonal cross-section, the second connection groove 212 has a twelve-sided cross-section, and the outer side wall of the second connection portion is in interference fit with the groove wall of the second connection groove 212. Specifically, the chamfer has been laid to the lateral wall of second connecting portion, when outside oil circuit and well medium coupling 2 are connected, through twelve square slotted hole and hexagonal structural connection, both played limiting displacement, can adjust the angle of screwing up again to satisfy the requirement of screwing up moment, better reach sealed purpose.
As shown in fig. 1 and fig. 2, in this embodiment, the first connection portion further includes a first sealing rubber ring 6, a first installation groove is radially recessed in an outer side wall of the first connection portion, and the first sealing rubber ring 6 is installed in the first installation groove and tightly attached to a groove wall of the first connection groove 211. Specifically, the sealing performance between the internal oil passage and the intermediate pipe joint 2 is further improved by the first packing 6 installed between the first connection portion and the first connection groove 211.
As shown in fig. 1 and 2, in the present embodiment, a first transition groove for buffer fitting is provided between the groove bottom in the axial direction of the first connection groove 211 and the outer wall in the axial direction of the first connection portion. Specifically, through the first transition groove, sufficient assembly space is available during assembly between the internal oil pipe 1 and the middle pipe joint 2, connection between the internal oil pipe 1 and the middle pipe joint 2 is stable, and meanwhile, as lubricating oil in the first oil way of the internal oil pipe 1 enters the second oil way through the first transition groove, the first transition groove correspondingly buffers the lubricating oil, and smooth conveying of the lubricating oil is guaranteed.
As shown in fig. 1, in the present embodiment, a second transition groove for fitting is further provided between the outer wall in the axial direction of the second connection end 22 and the inner wall in the axial direction of the cap nut 4. Specifically, since the outer wall of the second connection end 22 in the axial direction and the inner wall of the outer nut 4 in the axial direction are close to each other when the outer nut 4 and the intermediate pipe joint 2 are screwed together, a sufficient fitting space is ensured between the outer nut 4 and the intermediate pipe joint 2 through the second transition groove, and the connection between the outer nut 4 and the intermediate pipe joint 2 is stabilized.
In the embodiment, as shown in fig. 1, the front end of the outer side wall of the connecting head 31 is provided with a sealing conical surface 311, and the inner side wall of the second connecting end 22 is provided with a sealing conical wall 221 which is tightly attached to the sealing conical surface 311. Specifically, the sealing conical surface 311 and the sealing conical wall 221 are in fit sealing, so that the matching area is large, and the pipeline sealing effect is better achieved. Alternatively, the fit precision dimensional tolerance between the seal cone surface 311 and the seal cone wall 221 is within ± 0.01mm, and when outside this range, it is said that the sealability is poor, and there is a risk of oil leakage. Optionally, the fitting accuracy between the seal tapered surface 311 and the seal tapered wall 221 is ensured by a coloring check.
As shown in fig. 1, in this embodiment, the connector further includes a second sealing rubber ring 7, a second mounting groove is radially recessed in an outer side wall of the connector 31, and the second sealing rubber ring 7 is mounted in the second mounting groove and tightly attached to an inner side wall of the second connecting end 22. Specifically, the sealing performance between the external oil passage and the intermediate pipe joint 2 is further improved by the second packing 7 installed between the connection head 31 and the second connection groove 212.
As shown in fig. 2, in the present embodiment, the outer side wall of the first connection end 21 is provided with a mounting edge 213 extending outward in the radial direction, and the mounting edge 213 is provided with two mounting holes 2131 which are symmetrically arranged in the axial direction and are used for fixing the intermediate pipe joint 2 to the casing. Specifically, the intermediate pipe joint 2 is fixed to the casing by fitting screws and the mounting holes 2131 to each other, thereby tightly connecting the intermediate pipe joint 2 and the internal oil pipe 1.
The aircraft engine of the embodiment comprises the hot end part pipeline connecting and sealing structure. Specifically, the hot end component is connected with the sealing structure through the pipeline, so that the risk of oil leakage during the working of the aircraft engine is avoided, and the safety of the aircraft during the flight is greatly improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A hot end part pipeline connection sealing structure is characterized by comprising an internal oil pipe (1) used for communicating an internal oil circuit of a casing, an intermediate pipe joint (2) connected with the internal oil pipe (1), an external oil pipe (3) connected with the intermediate pipe joint (2), a sleeve nut (4) sleeved on the connecting part of the intermediate pipe joint (2) and the external oil pipe (3) and a snap ring (5) clamped and matched with the external oil pipe (3) and the sleeve nut (4), wherein the intermediate pipe joint (2) is respectively provided with a first connecting end (21) connected with the internal oil pipe (1) and a second connecting end (22) connected with the external oil pipe (3), the external oil pipe (3) is provided with a connector (31) which is formed by extending outwards in the radial direction and is connected with the second connecting end (22), the outer wall of the connector (31) is mutually attached to the inner wall of the second connecting end (22), the inside wall of housing nut (4) is equipped with steel wire swivel nut (41), and the lateral wall of second link (22) is equipped with the first external screw thread with steel wire swivel nut (41) threaded connection, and the inside wall of housing nut (4) is radially concave to be equipped with and holds complex first draw-in groove with snap ring (5), and the lateral wall of connector (31) is radially concave to be equipped with and holds complex second draw-in groove with snap ring (5) card.
2. The hot end part pipeline connection sealing structure of claim 1, wherein the inner oil pipe (1) is provided with a first mounting end connected with the first connecting end (21) and a second mounting end used for connecting the casing, the first connecting end (21) is provided with a first connecting groove (211) and a second connecting groove (212) which are sequentially arranged from inside to outside, the first connecting groove (211) and the second connecting groove (212) are combined to form a stepped groove with the radial size increased from inside to outside in a sudden change mode, the first mounting end is respectively provided with a first connecting part which is formed by extending radially outwards and is in inserting fit with the first connecting groove (211) and a second connecting part which is formed by extending radially outwards and is in inserting fit with the second connecting groove (212), the first connecting part penetrates through the second connecting groove (212) to be connected with the first connecting groove (211), and the outer wall of the first connecting part is attached to the inner wall of the first connecting groove (211).
3. The hot end component pipe connection sealing structure of claim 2, wherein the cross-sectional shape of the outer side wall of the second connecting portion is hexagonal, the cross-sectional shape of the second connecting groove (212) is twelve square, and the outer side wall of the second connecting portion is in interference fit with the groove wall of the second connecting groove (212).
4. The hot end component pipeline connection sealing structure according to claim 2, further comprising a first sealing rubber ring (6), wherein a first mounting groove is radially recessed in an outer side wall of the first connecting portion, and the first sealing rubber ring (6) is mounted in the first mounting groove and clings to a groove wall of the first connecting groove (211).
5. The hot end part pipe connection sealing structure according to claim 2, wherein a first transition groove for fitting is provided between a groove bottom in the axial direction of the first connection groove (211) and an outer wall in the axial direction of the first connection portion.
6. A hot end part pipe connection sealing structure according to any one of claims 1 to 5, characterized in that a second transition groove for buffer fitting is further provided between the outer wall in the axial direction of the second connection end (22) and the inner wall in the axial direction of the outer sleeve nut (4).
7. A hot end part pipe connection sealing structure according to any one of claims 1-5, characterized in that the front end of the outer side wall of the connecting head (31) is provided with a sealing conical surface (311), and the inner side wall of the second connecting end (22) is provided with a sealing conical wall (221) which is attached to the sealing conical surface (311).
8. A hot end part pipe connection sealing structure according to any one of claims 1 to 5, further comprising a second sealing rubber ring (7), wherein a second mounting groove is radially and concavely formed in the outer side wall of the connecting head (31), and the second sealing rubber ring (7) is mounted in the second mounting groove and clings to the inner side wall of the second connecting end (22).
9. Hot end member pipe connection sealing structure according to any one of claims 1-5, characterized in that the outer side wall of the first connection end (21) is provided with a radially outwardly extending mounting edge (213), and the mounting edge (213) is provided with two axially symmetrically arranged mounting holes (2131) for fixing the intermediate pipe joint (2) to the casing.
10. An aircraft engine comprising a hot end component tube-connecting seal structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111056317.3A CN113803551B (en) | 2021-09-09 | 2021-09-09 | Hot end part pipeline connection sealing structure and aeroengine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111056317.3A CN113803551B (en) | 2021-09-09 | 2021-09-09 | Hot end part pipeline connection sealing structure and aeroengine thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113803551A true CN113803551A (en) | 2021-12-17 |
| CN113803551B CN113803551B (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111056317.3A Active CN113803551B (en) | 2021-09-09 | 2021-09-09 | Hot end part pipeline connection sealing structure and aeroengine thereof |
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| Country | Link |
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| CN (1) | CN113803551B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719111A (en) * | 2022-06-08 | 2022-07-08 | 中国航发四川燃气涡轮研究院 | Force-bearing oil supply structure behind aircraft engine turbine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0750154A1 (en) * | 1995-06-20 | 1996-12-27 | John Derek Guest | Tube coupling |
| CN2630610Y (en) * | 2003-06-27 | 2004-08-04 | 庞浩辉 | Connection pipe-component |
| CN102269305A (en) * | 2010-06-01 | 2011-12-07 | 上海龙胜实业有限公司 | Quick connection and movable connection combined pipe fitting structure |
| CN205859466U (en) * | 2016-07-04 | 2017-01-04 | 乐清市赛德斯气动有限公司 | Pipe joint |
| CN106764148A (en) * | 2016-12-29 | 2017-05-31 | 福建省雾精灵环境科技有限公司 | A kind of high pressure connection and the assembling structure of pipeline |
| CN208365001U (en) * | 2018-05-30 | 2019-01-11 | 佛山市南海川上金属制品有限公司 | Sleeve-in steel pipe |
| CN110805761A (en) * | 2019-12-04 | 2020-02-18 | 大连海事大学 | Aviation high-pressure beam type pipe joint |
| CN211203197U (en) * | 2019-11-09 | 2020-08-07 | 陶正年 | Straight pipe joint |
-
2021
- 2021-09-09 CN CN202111056317.3A patent/CN113803551B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0750154A1 (en) * | 1995-06-20 | 1996-12-27 | John Derek Guest | Tube coupling |
| CN2630610Y (en) * | 2003-06-27 | 2004-08-04 | 庞浩辉 | Connection pipe-component |
| CN102269305A (en) * | 2010-06-01 | 2011-12-07 | 上海龙胜实业有限公司 | Quick connection and movable connection combined pipe fitting structure |
| CN205859466U (en) * | 2016-07-04 | 2017-01-04 | 乐清市赛德斯气动有限公司 | Pipe joint |
| CN106764148A (en) * | 2016-12-29 | 2017-05-31 | 福建省雾精灵环境科技有限公司 | A kind of high pressure connection and the assembling structure of pipeline |
| CN208365001U (en) * | 2018-05-30 | 2019-01-11 | 佛山市南海川上金属制品有限公司 | Sleeve-in steel pipe |
| CN211203197U (en) * | 2019-11-09 | 2020-08-07 | 陶正年 | Straight pipe joint |
| CN110805761A (en) * | 2019-12-04 | 2020-02-18 | 大连海事大学 | Aviation high-pressure beam type pipe joint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719111A (en) * | 2022-06-08 | 2022-07-08 | 中国航发四川燃气涡轮研究院 | Force-bearing oil supply structure behind aircraft engine turbine |
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| Publication number | Publication date |
|---|---|
| CN113803551B (en) | 2023-04-28 |
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