CN210118564U - Pipeline connecting assembly with oil seal function and aircraft engine pipeline system - Google Patents
Pipeline connecting assembly with oil seal function and aircraft engine pipeline system Download PDFInfo
- Publication number
- CN210118564U CN210118564U CN201920515526.1U CN201920515526U CN210118564U CN 210118564 U CN210118564 U CN 210118564U CN 201920515526 U CN201920515526 U CN 201920515526U CN 210118564 U CN210118564 U CN 210118564U
- Authority
- CN
- China
- Prior art keywords
- oil
- pipeline
- piece
- connection portion
- sealing
- 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
Images
Abstract
The utility model relates to a pipeline coupling assembling and aeroengine pipe-line system with oil blanket function. Wherein, pipeline coupling assembling with oil blanket function includes: the connecting piece comprises a first connecting part, a second connecting part and a third connecting part which are communicated with each other, and the second connecting part and the third connecting part are used for connecting pipelines; an oil filler detachably connected to the first connection portion, the oil filler being configured to block communication between the second connection portion and the third connection portion after being connected to the first connection portion; a flow passage is arranged in the oil injection piece, and the flow passage can be selectively communicated with one of the second connecting part and the third connecting part; and the sealing element is detachably arranged on the oil injection piece and is used for sealing the flow passage. The utility model discloses at the oil blanket in-process to the pipeline, need not demolish any pipeline, easy operation, efficient avoids the loss of disposable consumption piece, saves the cost, improves the reliability.
Description
Technical Field
The utility model relates to a tube coupling field especially relates to a pipeline coupling assembling and aeroengine pipe-line system with oil blanket function.
Background
In the process of transportation and storage of the aircraft engine, in order to prolong the storage life of the engine and ensure the storage quality, oil sealing operation is required. The aircraft engine comprises a plurality of parts and accessories, oil sealing modes are different according to different positions and functions of the parts and accessories, and the oil sealing mode of typical mechanical system accessories such as a lubricating oil pump, a lubricating oil filter, a gear box and the like has requirements on the volume of oil for oil sealing, namely the volume of oil for oil sealing injected into the accessories needs to be within a certain range and cannot be too much or too little. When the engine is structurally designed, a connecting joint (such as a pipeline tee joint) is often placed at a certain relatively high point of an accessory connecting pipeline, one or more sections of pipelines connected with the joint are disassembled during oil sealing, oil for oil sealing with accurate volume is injected through the joint connected to the accessory end, and the oil for oil sealing flows into a preset accessory to realize oil sealing under the action of gravity and pressure. After the oil is filled, the joint is blocked by a plug to prevent the oil for oil sealing from leaking. The engine also requires that the removed lines be reinstalled on the engine when the engine is unsealed.
The oil seal operation of the aircraft engine has the following defects:
1) the operation is complicated and the efficiency is low. The pipeline is dismantled by professional operators, the pipeline is dismantled by means of professional platforms and equipment according to relevant operation flow files compiled by technicians, similar operations are repeated when the engine is unsealed, the pipeline is reinstalled, and strict inspection and quality control are required no matter the pipeline is dismantled and installed. During oil sealing, related components also need special personnel to be kept. As can be seen from the whole process, the existing oil seal is very complicated to operate, takes a lot of time and has low efficiency.
2) The reliability is reduced. The pipeline connecting joint is sealed through the contact deformation of the metal sealing surface, so that the pipeline is dismantled and installed, new deformation of the sealing surface can be caused inevitably, and after repeated dismantling and installation, the defects of poor sealing and liquid leakage are caused possibly, the reliability of an engine is reduced, and great hidden danger is brought to the operation of the engine.
3) The waste is serious. Adopt parts such as imperial system standard fastener more during articulate to use supplementary material such as insurance steel wire, still can use the sealing member sealed to the sealed pipeline of flange face, many standard parts are disposable consumptive spare, and the price is higher, and the dismouting of pipeline at every turn all can lead to the change of consumptive parts such as standard part, leads to very big waste.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an one of them purpose provides a pipeline coupling assembling and aeroengine pipe-line system with oil blanket function for alleviate the numerous and diverse problem of operation.
Some embodiments of the utility model provide a pipeline coupling assembling with oil blanket function, it includes:
a connection member including a first connection portion, a second connection portion, and a third connection portion communicating with each other, the second and third connection portions being configured to connect pipelines;
an oil filler detachably connected to the first connection portion, the oil filler being configured to block communication between the second connection portion and the third connection portion after being connected to the first connection portion; a flow passage is arranged in the oil injection piece, and the flow passage can be selectively communicated with one of the second connecting part and the third connecting part; and
and the sealing element is detachably arranged on the oil injection piece and is used for sealing the flow passage.
In some embodiments, the oil injection comprises:
a first member detachably connected to the first connection portion; and
a second member detachably connected to the first member and configured to be inserted into the first connection portion to block communication between the second connection portion and the third connection portion.
In some embodiments, the interior of the first component communicates with the interior of the second component defining the flow passage, the second component being provided with a lateral opening communicating with the flow passage; the oil filler is configured to be rotatable relative to the first connecting portion so that the lateral opening can selectively communicate with one of the second connecting portion and the third connecting portion.
In some embodiments, the second component is made of an elastomeric material.
In some embodiments, the second part is hollow in its interior for defining the flow passage, the second part being provided with a ball-type end remote from the first part, and the lateral opening being provided at the ball-type end of the second part.
In some embodiments, the oil injection member includes an indicator disposed on the first component for indicating the orientation of the lateral opening.
In some embodiments, a tubing connection assembly comprises:
the first nut is arranged on the first connecting part, and the oil injection piece is detachably connected with the first connecting part through the first nut; and
a second nut; the sealing element is arranged on the first component and is detachably connected with the first component through the second nut;
the first nut and the second nut are in accordance with the specification.
In some embodiments, the first component includes a wrench engaging portion for engaging a wrench to apply force.
In some embodiments, the size of the portion of the oil filler piece connected to the seal member coincides with the size of the portion of the first connecting portion connected to the oil filler piece.
Some embodiments of the utility model provide an aeroengine pipe-line system, it includes first pipeline, second pipeline to and foretell pipeline coupling assembling who has the oil blanket function, first pipeline and second pipeline correspond respectively and connect among the pipeline coupling assembling the second connecting portion of connecting piece with the third connecting portion.
Based on the technical scheme, the utility model discloses following beneficial effect has at least:
in some embodiments, the pipeline connecting assembly formed by combining the connecting piece, the oil injection piece and the sealing piece is simple in structure, and in the oil sealing process of a pipeline, the connecting piece for connecting the pipeline does not need to be removed, and the oil injection piece only needs to be connected with the first connecting part of the connecting piece to block the communication between the second connecting part and the third connecting part; communicating a flow channel in the oil injection piece with one of the second connecting part and the third connecting part, and injecting oil for oil seal into the corresponding pipeline; the flow channel in the oil injection piece is communicated with the other one of the second connecting part and the third connecting part, oil seal oil is injected into the corresponding pipeline, after the oil seal oil is injected into the pipelines connected with the second connecting part and the third connecting part, the sealing piece is connected with the oil injection piece, the flow channel is sealed, the oil seal of the pipeline can be completed, the operation is simple, the efficiency is high, the oil injection piece can be used repeatedly, the loss of disposable consumed pieces is avoided, the operation guarantee cost is greatly reduced, and the cost is saved; and avoids the damage to the joint connection part due to repeated disassembly and assembly, and improves the reliability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic view of a pipeline connecting assembly with an oil sealing function according to some embodiments of the present invention;
fig. 2 is a schematic view of the assembly of the oil filler piece and the second nut according to some embodiments of the present invention;
fig. 3 is a schematic illustration of the oil filler piece and the second nut according to some embodiments of the present invention;
fig. 4 is a schematic view of an oil injection member provided in some embodiments of the present invention;
fig. 5 is a schematic cross-sectional view of an oil injection member according to some embodiments of the present invention.
The reference numbers in the drawings:
1-a connector;
2-oiling parts; 21-a first component; 211-wrench mating portion; 22-a second component; 221-lateral opening; 23-a flow channel; 24-an indicator;
3-a seal;
4-a first nut;
5-a second nut;
6-a first pipeline;
7-a second pipeline;
8-stop pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the invention.
As shown in fig. 1, a pipeline connecting assembly with an oil sealing function is provided for some embodiments.
In some embodiments, the conduit connection assembly comprises a connector 1. The connector 1 includes a first connection portion, a second connection portion, and a third connection portion that communicate with each other. The first connecting portion is used to connect the oil filler 2 or the sealing member 3. The second connection portion and the third connection portion are configured to connect the pipes.
Optionally, the connection 1 comprises a tee.
In some embodiments, the conduit connection assembly comprises an oil filler 2. The oil filler 2 is detachably coupled to the first coupling portion of the coupling 1. The oil filler 2 is configured to block communication between the second connection portion and the third connection portion after being connected to the first connection portion. A flow passage 23 is formed in the oil filler 2, and the flow passage 23 can be selectively communicated with one of the second connecting part and the third connecting part so as to inject oil for oil seal into a pipeline connected with the second connecting part and the third connecting part.
In some embodiments, the tubing connection assembly comprises a seal 3. The seal member 3 is detachably provided to the oil filler 2 for sealing the flow passage 23 to prevent leakage of oil for oil sealing. Optionally, the seal 3 comprises a plug.
In some embodiments, the second and third connections of the connector 1 are each configured to connect a pipeline.
Under the condition that need carry out the oil blanket to the pipeline of being connected with second connecting portion and third connecting portion, need not demolish connecting piece 1, only need be connected oiling piece 2 with the first connecting portion of connecting piece 1, cut off the intercommunication of second connecting portion and third connecting portion, then, through 2 injection oil blanket oil injections of oiling piece can, concrete operation is:
firstly, a flow passage 23 in the oil injection piece 2 is communicated with one of the second connecting part and the third connecting part, and oil for oil seal is injected into a corresponding pipeline; then the flow passage 23 in the oil filler 2 is communicated with the other of the second connecting part and the third connecting part, and oil for oil seal is injected into the corresponding pipeline.
The operation can realize the oil injection of the preset pipeline only by adjusting the direction of the flow channel 23, and the operation is very simple without dismounting any pipeline.
After oil seal oil is injected into both of the pipes connected to the second connecting portion and the third connecting portion, the seal member 3 is connected to the oil filler 2 to seal the flow passage 23, thereby preventing leakage of the oil seal oil, and thus completing oil sealing of the pipes.
The pipeline connecting assembly formed by combining the connecting piece 1, the oil injection piece 2 and the sealing piece 3 is simple in structure, the connecting piece 1 connected with the pipeline does not need to be detached in the oil sealing process of the pipeline, the operation is simple, the efficiency is high, the oil injection piece 2 can be repeatedly used, the loss of disposable consumed pieces is avoided, the operation guarantee cost is greatly reduced, and the cost is saved; the damage to the joint connecting part due to repeated disassembly and assembly is avoided, the reliability is improved, and the problems of complex operation, low efficiency, poor reliability and serious waste of related pipeline oil seals are solved.
In some embodiments, the size of the portion of the oil filler 2 connected to the sealing member 3 is the same as the size of the portion of the first connecting portion connected to the oil filler 2.
Under the condition that need not carry out the oil blanket to the pipeline, demolish oiling piece 2 from the first connecting portion of connecting piece 1, locate first connecting portion with sealing member 2, do benefit to the intercommunication of second connecting portion and third connecting portion, avoid in first connecting portion department oil leak, guarantee the normal work of pipeline, connecting piece 1's commonality is strong, and easy operation saves the cost.
As shown in fig. 2, in some embodiments, the oil filler 2 includes a first component 21 and a second component 22.
The first member 21 is detachably connected to the first connecting portion. Alternatively, the first member 21 is made of a metal material.
The second member 22 is detachably connected to the first member 21, and the second member 22 is configured to be inserted into the first connecting portion and to block communication between the second connecting portion and the third connecting portion.
Alternatively, the second part 22 is made of an elastomer material to achieve sealing with the first connection portion and sealing separation between the second connection portion and the third connection portion by elastic deformation.
In some embodiments, the interior of the first component 21 communicates with the interior of the second component 22, defining a flow passage 23. The second part 22 is provided with a lateral opening 221 communicating with the flow channel 23. The oil filler 2 is configured to be rotatable with respect to the first connecting portion so that the lateral opening 221 can selectively communicate with one of the second connecting portion and the third connecting portion.
In some embodiments, the second member 22 is hollow inside to define a flow passage 23, and the end of the second member 22 away from the first member 21 is provided with a ball shape to block the communication between the second connection portion and the third connection portion. The lateral opening 221 is provided at the ball-shaped end of the second part 22.
In some embodiments, the first member 21 is made of a metal material and the second member 22 is made of a rubber material. The first member 21 made of a metal material and the second member 22 made of a rubber material are firmly coupled by a heating process, and the coaxiality of the first member 21 and the second member 22 can be secured by means of a mold.
As shown in fig. 4 and 5, the second member 22 is cylindrical, and the end portion away from the first member 21 is spherical, and the flow passage inside the second member 22 and the lateral opening 221 form an "L" shaped flow passage for injecting oil for oil sealing.
The outer diameters of the cylindrical section and the ball head of the second part 22 are increased by 0.5-2 mm relative to the inner size of the connecting piece 1, and can be selected according to the compression ratios of different rubber materials, so that the sealing is realized by using the extrusion deformation of rubber and a metal surface.
In one embodiment, an oil seal for a 0.3125in line is illustrated.
The internal diameter of the connection 1 for a 0.3125in line is approximately 6.5mm, and the external diameter of the second part 22 made of rubber material is chosen to be 8mm, depending on the compressibility of the rubber material FX-4 (MAS 6607).
As shown in fig. 4, in some embodiments, the oil injection piece 2 includes an indicator 24. An indicator 24 is provided on the first member 21 for indicating the orientation of the side opening 221 so as to observe which line is to be filled with oil seal oil.
As shown in fig. 1, in some embodiments, the conduit connection assembly includes a first nut 4 and a second nut 5.
The first nut 4 is arranged at the first connecting part of the connecting piece 1, and the oil injection piece 2 is detachably connected with the first connecting part through the first nut 4.
The second nut 5 is provided to the first part 21 of the oil filler 2, and the sealing member 3 is detachably coupled to the first part 21 by the second nut 5.
The first nut 4 is of the same size as the second nut 5. When not needing the oil blanket, can dismantle oiling piece 2 and connecting piece 1, be connected sealing member 3 through first nut 4 and first connecting portion, guarantee the intercommunication of second connecting portion and third connecting portion, make the pipeline normally work, and avoid oil leak in first connecting portion department.
In some embodiments, the first nut 4 and the second nut 5 comprise ring groove nuts.
As shown in fig. 3, in some embodiments, the conduit connection assembly includes a stop pin 8, and the second nut 5 is coupled to the first member 21 via the stop pin 8.
The ring groove nut and the stop pin are standard parts, and the universality is high.
As shown in fig. 4, in some embodiments, the first member 21 includes a wrench engaging portion 211 for engaging with a wrench for applying force, at least for connecting the second nut 5 with the first member 21, and the like.
As shown in fig. 5, the first member 21 defines a first flow passage inside for injecting oil for oil sealing.
The connecting part of the first flow channel and the sealing element 3 is provided with an inner conical surface structure, the inner conical surface structure is the same as that of the first connecting part of the connecting element 1, and the sealing element 3 is beneficial to selectively connecting one of the oil injection part 2 and the connecting element 1.
The part of the first component 21, which is matched with the first connecting part, is provided with an external conical surface structure, and is matched and sealed with the internal conical surface structure of the first connecting part. The outer conical surface of the first member 21 has the same structure as that of the sealing member 3, and facilitates the selective connection of the sealing member 3 with one of the oil filler piece 2 and the connecting piece 1.
The first member 21 is provided with external threads for threaded connection with the first nut 4 provided on the first connection portion, and the external conical surface structure of the first member 21 and the internal conical surface structure of the first connection portion generate appropriate contact force to achieve sealing effect by controlling tightening torque of the threads.
The wrench engaging portion 211 of the first member 21 is a hexagonal structure for providing a torque applying surface for tightening the threaded connection, and preventing the torque of the threaded connection from being transmitted to the weak portion to cause stress or deformation.
The first member 21 is provided with a lockwire hole for fixing a fuse after the second nut 5 (ring groove nut) is assembled, preventing the second nut 5 from loosening.
The first part 21 is provided with a connection section for connection with a rubber head.
The indicator 24 of the first member 21 is provided in the wrench fitting portion 211 (hexagonal structure) for indicating the medium flow direction, the indication direction of the indicator 24 is the same as the opening direction of the side opening 221, the medium (oil seal oil) injection direction can be known by observing the indication direction of the indicator 24, and the seal 3 does not need to be removed.
Some embodiments provide an aircraft engine pipeline system, which comprises a first pipeline 6, a second pipeline 7 and the pipeline connecting assembly with the oil sealing function. The first pipeline 6 and the second pipeline 7 are respectively correspondingly connected with the second connecting part and the third connecting part of the connecting piece 1 in the pipeline connecting assembly. The first connection of the connecting piece 1 is provided with a sealing 3.
When oil sealing is needed to be carried out on an aircraft engine pipeline, the sealing element 3 on the first connecting part of the connecting piece 1 is removed, the oil injection piece 2 is connected with the first connecting part of the connecting piece 1, the lateral opening 221 of the flow channel 22 in the oil injection piece 2 faces to the pipeline needing oil sealing, and whether the orientation of the lateral opening 221 is correct or not can be determined through the indicator 24.
After the oil injection piece 2 is screwed up with the connecting piece 1 through the first nut 4, oil for oil seal with a certain volume can be injected, and the space of a pipeline needs to be considered when the oil for oil seal is injected so as to ensure that the oil for oil seal injected into the pipeline reaches the required volume.
Since the portion of the oil filler 2 inserted into the first connecting portion is made of a rubber material, it is pressed against the inside of the first connecting portion, and oil for oil sealing can be prevented from flowing to the other side.
And after the oil injection is finished, the sealing element 3 is screwed with the oil injection piece 2 through the second nut 5, and the oil sealing process is finished.
When the aircraft engine normally operates, the oil injection piece 2 is taken down, and the sealing piece 3 is screwed with the connecting piece 1 through the first nut 4.
Through adopting this pipeline coupling assembling that openly provides, at the whole in-process of pipeline oil blanket, need not any pipeline of demolising, avoided the damage of dismouting butt joint connection position repeatedly, improved aeroengine operation's reliability.
In the description of the present invention, it should be understood that the terms "first", "second", "third", etc. are used to define the components, and are only used for the convenience of distinguishing the components, and if not stated otherwise, the terms have no special meaning, and thus, should not be construed as limiting the scope of the present invention.
Furthermore, the technical features of one embodiment may be combined with one or more other embodiments advantageously without explicit negatives.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. The utility model provides a pipeline coupling assembling with oil blanket function which characterized in that includes:
a connection piece (1) comprising a first connection portion, a second connection portion and a third connection portion communicating with each other, the second and third connection portions being configured to connect pipelines;
an oil filler (2) detachably connected to the first connection portion, the oil filler (2) being configured to block communication between the second connection portion and the third connection portion after being connected to the first connection portion; a flow passage (23) is arranged in the oil injection piece (2), and the flow passage (23) can be selectively communicated with one of the second connecting part and the third connecting part; and
and the sealing element (3) is detachably arranged on the oil injection piece (2) and is used for sealing the flow passage (23).
2. The oil-sealed piping connection assembly according to claim 1, wherein the oil filler (2) comprises:
a first member (21) detachably connected to the first connection portion; and
a second member (22) detachably connected to the first member (21) and configured to be insertable into the first connecting portion to block communication between the second connecting portion and the third connecting portion.
3. A conduit-connecting assembly with oil-sealing function according to claim 2, characterized in that the interior of said first component (21) communicates with the interior of said second component (22), defining said flow channel (23), said second component (22) being provided with a lateral opening (221) communicating with said flow channel (23); the oil filler piece (2) is configured to be rotatable relative to the first connecting portion so that the lateral opening (221) can selectively communicate with one of the second connecting portion and the third connecting portion.
4. Oil-sealed conduit connection assembly according to claim 3, characterized in that the second part (22) is made of elastomer material.
5. Oil-sealed conduit connection assembly according to claim 4, characterized in that the second part (22) is hollow inside, defining the flow channel (23), the end of the second part (22) remote from the first part (21) being of spherical shape, the lateral opening (221) being provided at the end of the spherical shape of the second part (22).
6. Oil-sealed conduit connection assembly according to claim 3, characterized in that the oil filler piece (2) comprises an indicator (24), the indicator (24) being provided on the first part (21) for indicating the orientation of the lateral opening (221).
7. A pipe connecting assembly having an oil sealing function as set forth in claim 2, comprising:
the first nut (4) is arranged at the first connecting part, and the oil injection piece (2) is detachably connected with the first connecting part through the first nut (4); and
a second nut (5); is arranged on the first component (21), and the sealing element (3) is detachably connected with the first component (21) through the second nut (5);
the first nut (4) and the second nut (5) are in accordance with the specification.
8. The oil-sealed pipeline connecting assembly according to claim 7, wherein the first member (21) comprises a wrench engaging portion (211) for engaging with a wrench to apply force.
9. The oil-sealed piping connection assembly according to claim 1, wherein the size of the portion of the oil filler (2) connected to the sealing member (3) coincides with the size of the portion of the first connection portion connected to the oil filler (2).
10. An aircraft engine pipeline system, characterized in that, include first pipeline (6), second pipeline (7), and the pipeline coupling assembling with oil blanket function of any claim 1 ~ 9, first pipeline (6) and second pipeline (7) correspond respectively and connect the second connecting portion and the third connecting portion of connecting piece (1) in the pipeline coupling assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515526.1U CN210118564U (en) | 2019-04-17 | 2019-04-17 | Pipeline connecting assembly with oil seal function and aircraft engine pipeline system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515526.1U CN210118564U (en) | 2019-04-17 | 2019-04-17 | Pipeline connecting assembly with oil seal function and aircraft engine pipeline system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210118564U true CN210118564U (en) | 2020-02-28 |
Family
ID=69613114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920515526.1U Active CN210118564U (en) | 2019-04-17 | 2019-04-17 | Pipeline connecting assembly with oil seal function and aircraft engine pipeline system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210118564U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229563A (en) * | 2020-09-30 | 2021-01-15 | 湖南创大玉兔化工有限公司 | Pressure measuring device for measuring high-temperature corrosion medium by using pressure gauge and sensor |
| CN113898790A (en) * | 2020-06-22 | 2022-01-07 | 中国航发商用航空发动机有限责任公司 | Pipe support and thermal deformation compensation device for same |
-
2019
- 2019-04-17 CN CN201920515526.1U patent/CN210118564U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898790A (en) * | 2020-06-22 | 2022-01-07 | 中国航发商用航空发动机有限责任公司 | Pipe support and thermal deformation compensation device for same |
| CN113898790B (en) * | 2020-06-22 | 2023-03-14 | 中国航发商用航空发动机有限责任公司 | Pipe support and thermal deformation compensation device for same |
| CN112229563A (en) * | 2020-09-30 | 2021-01-15 | 湖南创大玉兔化工有限公司 | Pressure measuring device for measuring high-temperature corrosion medium by using pressure gauge and sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210118564U (en) | Pipeline connecting assembly with oil seal function and aircraft engine pipeline system | |
| CN101839384B (en) | Pipeline connector | |
| CN206617688U (en) | Fluid connector assemblies and the cooling water system including it | |
| US5375888A (en) | Pipe coupling for repair | |
| US7874314B2 (en) | Motor fuel connector with replaceable tip seal | |
| CN107355618A (en) | A kind of adjustable hydraulic hose coupling | |
| CN211259967U (en) | Fuel pipeline quick connector | |
| CN207316301U (en) | A kind of adjustable hydraulic hose coupling | |
| CN218761436U (en) | Filling valve capable of being actively controlled | |
| US5454603A (en) | Co-axial hose coupling adapted for replacing inner hose upon rupture thereof and method therefor | |
| US8196615B1 (en) | Liquid/air pressure testing tool | |
| CN104708164A (en) | Connector and nitrogen filling welding connection device using same | |
| CN213809304U (en) | High-pressure hydrogen combination valve | |
| CN211599815U (en) | Quick assembly disassembly's porous pneumatic tube connects | |
| CN204818362U (en) | Connect and use this joint fill nitrogen welded joint device | |
| CN203099177U (en) | Split air conditioner quick connector with flange | |
| CN212480215U (en) | Clamping and pressing type ball valve for refrigeration | |
| CN201696804U (en) | Expansion type leather cup | |
| JP3186103U (en) | Test plug | |
| KR100930817B1 (en) | Cleaning module for using pig cleaner | |
| CN201443662U (en) | Quick pipeline connecting device | |
| JP7116282B2 (en) | Meter gas tap repair method and repair tool | |
| CN219708987U (en) | Drip-proof pipe joint | |
| CN219345834U (en) | Pipeline quick-insertion combined joint for hydraulic lifting pipeline system | |
| CN219082558U (en) | Connection structure of reducing PE pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |