CN205424186U - Pipe fastening connection clamp - Google Patents
Pipe fastening connection clamp Download PDFInfo
- Publication number
- CN205424186U CN205424186U CN201521033844.2U CN201521033844U CN205424186U CN 205424186 U CN205424186 U CN 205424186U CN 201521033844 U CN201521033844 U CN 201521033844U CN 205424186 U CN205424186 U CN 205424186U
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- connecting portion
- conduit
- clip
- fastenedly connected
- band
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Abstract
The utility model provides a pipe fastening connection clamp, relates to aircraft structural design technical field for the fastening connection of pipe joint department, the fastening connection of the joint department of the pipe that specially adapted A corrosive environment got off the plane, the strip be long structure, and both ends are along being provided with rectangular hole shape one -tenth mounting hole respectively, first connecting portion, the 2nd coupling part do not set up in the mounting hole at strip both ends. The fixture block sets up in the one side of cassette tape, first connecting portion pass through a T type union coupling with the second connecting portion to through nut cooperation fastening, the fixture block is in the inboard of the closed ring of cassette tape formation. The utility model provides a pair of pipe fastening connection clamp has improved the the stress condition of clamp, and anti intercrystalline corrosion, stress corrosion resistance, low stress level, life -span are high, has avoided sociable use strip the production that the fracture leads to phenomenon such as oil leak often to appear, simple structure, and it is convenient to make, and device stability is high, safe and reliable.
Description
Technical field
This utility model relates to technical field of aircraft structure design, is fastenedly connected clip in particular to a kind of conduit, being fastenedly connected at catheter adapter, is particularly well-suited to being fastenedly connected of joint of the conduit that corrosive environment is got off the plane.
Background technology
Pipe-line system is the vitals of aircraft conveyance fluid, and conduit jointing clip is indispensable standard component during aircraft pipeline connects, and it is the connection of various pipelines on aircraft, electromotor, and system each to aircraft is fixedly connected with important function.Owing to applied environment condition is poor, therefore it is required that clip sealing and centering are high, high temperature deformation resistance, heat shock resistance, resonance and gas flowing, anti-various shock loadings etc..If having leakage of oil, gas leakage to occur, not only can lose the thrust of electromotor, also affecting aircraft, the service behaviour of engine accessory system, service life and flight safety.In recent years, the conduit jointing clip of the most low pressure oil way of Domestic Aircraft and environmental control system is when being on active service in outfield, owing to being affected by marine environment, the conduit concentricity of the manufacturing defect of clip self and clamp connection is overproof etc., and reason causes stress corrosion, there is fracture in band, cause leakage of oil, affect flight safety.Working environment exists the primary condition that the corrosive medium such as chloride ion-containing, sulfide is clip part stress corrosion cracking, stress corrosion is caused by the chloride ion in environment, and the sulfide counter stress corrosion cracking in environment has facilitation, accelerate the stress corrosion cracking process of clip part.Stress suffered by clip is essentially from two aspects: be on the one hand part processing and the stress of assembling generation thereof of clip；When being on the other hand card band tightener conduit, the erection stress that two conduits the most coaxially produce.Owing to working environment cannot change, therefore, for reducing the generation of clip crack fault to greatest extent, it is necessary for trying every possible means to eliminate stress and the defect that material defects, minimizing manufacture and assembling for producing clip part produce, such as: ensure manufacture part material quality, prevent part from producing defect in processing, controlling the screw-down torque etc. of clip assembling.
Need badly now and solve the technical problem that it is how to design a kind of conduit jointing clip, to overcome at least one defect present in prior art.
Utility model content
The purpose of this utility model is to solve above-mentioned deficiency of the prior art, it is provided that a kind of conduit is fastenedly connected clip, to solve in prior art at least one problem present in conduit jointing clip.
The purpose of this utility model is achieved through the following technical solutions: a kind of conduit is fastenedly connected clip, for the fastening of the junction of aircraft pipeline, including: band, for strip structure, it is respectively arranged with strip hole along band length direction near the two ends of band, forms the installing hole at band two ends；Connecting portion, including the first connecting portion, the second connecting portion, the first connecting portion, the second connecting portion are separately positioned in the installing hole at band two ends；Fixture block, is arranged at the one side of band；First connecting portion and the second connecting portion are by telescopic joint, and are fastened by nut screw connection, the inner side of the closed circle that fixture block is formed at band.
In such scheme preferably, first connecting portion includes connecting seat, screw rod, wherein, connecting seat is that ears connect seat, first connecting portion is by connecting seat with bearing pin coordination hinge in one end of band, first installation portion, can be rotated around bearing pin, it is simple to the installation of the second connecting portion in one end of band by hinge.
In any of the above-described scheme preferably, connect seat and screw rod to be formed in one structure.Ensure structural strength.
In any of the above-described scheme preferably, the second connecting portion includes T-shaped pipe, packing ring, nut, and wherein, T-shaped pipe is tee T, offers through hole on T-shaped pipe, inserts for screw rod.It is to alleviate conduit to be fastenedly connected the weight that clip is overall that second connecting portion is designed as the purpose of pipe, and accommodates the bolt of the second connecting portion.
In any of the above-described scheme preferably, above-mentioned conduit is fastenedly connected clip and is made up of stainless steel material.
Conduit provided by the utility model is fastenedly connected having the beneficial effects that of clip, improve the overall stressing conditions of clip, anti intercrystalline corrosion, stress corrosion resistant, low stress level, life-span height, avoid line band often to occur rupturing causing the generation of the phenomenons such as leakage of oil, simple in construction, easily manufactured, device stability is high, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment being fastenedly connected clip according to conduit of the present utility model；
Fig. 2 is the structural representation of the embodiment illustrated in fig. 1 band being fastenedly connected clip according to conduit of the present utility model；
Fig. 3 is the structural representation of the embodiment illustrated in fig. 1 installation portion being fastenedly connected clip according to conduit of the present utility model；
Reference:
1-band, 2-the first connecting portion, 21-connect seat, 22-screw rod, 3-the second connecting portion, 31-T type pipe, 32-packing ring, 33-nut, 4-fixture block.
Detailed description of the invention
Clearer for the purpose making this utility model implement, technical scheme and advantage, below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is further described in more detail.In the accompanying drawings, the most same or similar label represents same or similar element or has the element of same or like function.Described embodiment is a part of embodiment of this utility model rather than whole embodiments.The embodiment described below with reference to accompanying drawing is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.Below in conjunction with the accompanying drawings embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that restriction to this utility model protection domain.
As shown in Figure 1-Figure 3, the conduit that this utility model provides is fastenedly connected clip, for the fastening of the junction of aircraft pipeline, including: band 1 is strip structure, it is respectively arranged with strip hole near the two ends of described band 1 along band 1 length direction, forms the installing hole at band 1 two ends；Connecting portion, including first connecting portion the 2, second connecting portion 3, first connecting portion the 2, second connecting portion 3 is separately positioned in the installing hole at band 1 two ends；Fixture block 4, is arranged at the one side of band 1；First connecting portion 2 is connected by a T-shaped pipe 31 with the second connecting portion 3, and coordinates fastening, the inner side of the closed circle that fixture block 4 is formed at band 1 by nut 33.
The conduit that above-mentioned this utility model provides is fastenedly connected in clip, first connecting portion 2 includes connecting seat 21, screw rod 22, wherein, connect seat 21 and connect seat for ears, first connecting portion 2, by connecting seat 21 with bearing pin coordination hinge in one end of band 1, connects seat 21 and described screw rod 22 and is formed in one structure.The other end of band 1 is provided with the second connecting portion 3, and the second connecting portion 3 includes T-shaped pipe 31, packing ring 32, nut 33, and wherein, T-shaped pipe 31 is tee T, offers through hole, insert for screw rod 22 on T-shaped pipe 31.
The installing hole at band 1 two ends is made by welding band 1.The radian of fixture block 4 is equal with the radian of prepackage conduit jointing.Fixture block 4 is fixed by welding on band 1.
During concrete use, owing to the working environment of bird cannot change, therefore, for reducing the generation of clip crack fault to greatest extent, it is necessary for trying every possible means to eliminate stress and the defect that material defects, minimizing manufacture and assembling for producing clip part produce, such as: ensure manufacture part material quality, prevent part from producing defect in processing, controlling the screw-down torque etc. of clip assembling.
The conduit that this utility model provides is fastenedly connected clip, material of main part selects 1Cr18Ni9Ti half hard state, improving clip anti intercrystalline corrosion, anti-stress corrosion performance and elongation percentage, combination property is better than similar 2Cr13Ni4Mn9 clip, also can improve clip extensibility and anufacturability；In terms of physical dimension, emphasis improves the harmony of yoke configurations and size, improves the overall stressing conditions of clip, reduces machining stress and erection stress, reduces the stress level of the weak link such as band auricle both sides and solder joint；Improving fixture block and joint, bolt lining and block, the stressing conditions at position is easily interfered, chewed, touches to packing ring with band etc..Experiment proves that, new catheter is fastenedly connected clip and has exceeded 100,000 task circulations service life under minimum screw-down torque, maximum working pressure (MWP) (0.35MPa), specified bending moment；Passed through under maximum screw-down torque (6N m), by GJB150.11A-2009 expose 168h salt spray test, the clip after test do not have obvious evidence of corrosion, surface peel off, damaged and protruding；Meanwhile, by clip stress test under different screw-down torques, DHThe band of=48 specification clips is weak and easily occurs the stress distribution at position (1,2,8,9 point) of crackle and level to reach best distribution effect, the stress level of the weak links such as band auricle both sides is significantly improved, bolt hole both sides stress distribution almost symmetry.Improve the overall stressing conditions of clip, meet the high anti intercrystalline corrosion of aircraft, stress corrosion resistant, compared with the various needs such as low stress level, life-span.The Design and Features of this clip etc. are not seen in domestic and foreign literature.
The conduit that this utility model provides is fastenedly connected that clip is applied to fuel oil, air conditioning system conduit connects Quick Release Hoop, improve the overall stressing conditions of clip, meet the design requirement that the high anti intercrystalline corrosion of aircraft, stress corrosion resistant, low stress level, life requirements are high, avoid line band and fracture often occurs, cause the function part structure design challenges of the key position of leakage of oil etc..
It is fastenedly connected clip specific embodiment above in association with conduit of the present utility model to be described in detail, but it is not to restriction of the present utility model, every according to technical spirit of the present utility model, any simple modification made for any of the above embodiments is belonged to technical scope of the present utility model, also, it should be noted be fastenedly connected, according to conduit of the present utility model, the combination in any that the category of clip technical scheme includes between each part mentioned above.
Claims (8)
1. conduit is fastenedly connected a clip, for being fastenedly connected of the junction of aircraft pipeline, it is characterised in that including:
Band (1), for strip structure, it is respectively arranged with strip hole near the two ends of described band (1) along described band (1) length direction, forms the installing hole of described band (1) by folding described band (1)；
Connecting portion, including the first connecting portion (2), the second connecting portion (3), the first connecting portion (2), the second connecting portion (3) are separately positioned in the installing hole of described band (1)；
Fixture block (4), is arranged at the one side of described band (1)；
First connecting portion (2) is connected with the second connecting portion (3), and coordinates fastening, the inner side of the closed circle that fixture block (4) is formed at described band (1) by nut (33).
2. conduit as claimed in claim 1 is fastenedly connected clip, it is characterized in that, described first connecting portion (2) includes connecting seat (21), screw rod (22), wherein, connecting seat (21) is that ears connect seat, and described first connecting portion (2) is by connecting seat (21) and bearing pin coordination hinge one end in described band (1).
3. conduit as claimed in claim 2 is fastenedly connected clip, it is characterised in that wherein, and described connection seat (21) and described screw rod (22) are formed in one structure.
4. conduit as claimed in claim 2 is fastenedly connected clip, it is characterized in that, described second connecting portion (3) includes T-shaped pipe (31), packing ring (32), nut (33), wherein, described T-shaped pipe (31) is tee T, described T-shaped pipe (31) offers through hole, inserts for described screw rod (22).
5. conduit as claimed in claim 1 is fastenedly connected clip, it is characterised in that the installing hole at described band (1) two ends is made by welding described band (1).
6. conduit as claimed in claim 1 is fastenedly connected clip, it is characterised in that the radian of described fixture block (4) is equal with the radian of catheter adapter.
7. conduit as claimed in claim 6 is fastenedly connected clip, it is characterised in that described fixture block (4) is fixed by welding on described band (1).
8. conduit as claimed in claim 6 is fastenedly connected clip, it is characterised in that conduit is fastenedly connected clip and is made up of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033844.2U CN205424186U (en) | 2015-12-12 | 2015-12-12 | Pipe fastening connection clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033844.2U CN205424186U (en) | 2015-12-12 | 2015-12-12 | Pipe fastening connection clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205424186U true CN205424186U (en) | 2016-08-03 |
Family
ID=56516819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521033844.2U Active CN205424186U (en) | 2015-12-12 | 2015-12-12 | Pipe fastening connection clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205424186U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166115A (en) * | 2017-04-12 | 2017-09-15 | 苏州鑫强精密机械有限公司 | A kind of easy-to-mount conduit coupling |
| CN111692431A (en) * | 2020-05-22 | 2020-09-22 | 成都飞机工业（集团）有限责任公司 | Destressing installation method of pipe connection quick-release clamp |
| CN112295658A (en) * | 2020-09-03 | 2021-02-02 | 鹤山市春记肥业有限公司 | Reation kettle for chemical industry with shredding function |
-
2015
- 2015-12-12 CN CN201521033844.2U patent/CN205424186U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166115A (en) * | 2017-04-12 | 2017-09-15 | 苏州鑫强精密机械有限公司 | A kind of easy-to-mount conduit coupling |
| CN111692431A (en) * | 2020-05-22 | 2020-09-22 | 成都飞机工业（集团）有限责任公司 | Destressing installation method of pipe connection quick-release clamp |
| CN112295658A (en) * | 2020-09-03 | 2021-02-02 | 鹤山市春记肥业有限公司 | Reation kettle for chemical industry with shredding function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zheng Min Inventor after: Sun Zhongzhi Inventor after: Zhang Yan Inventor after: Jing Lulu Inventor after: Lin Hongwei Inventor before: Zheng Min Inventor before: Sun Zhongzhi Inventor before: Zhang Yan Inventor before: Jing Lvlu Inventor before: Lin Hongwei |
|
| COR | Change of bibliographic data |