CN206393499U - New tubular gas inspection fixture - Google Patents
New tubular gas inspection fixture Download PDFInfo
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- CN206393499U CN206393499U CN201720039816.4U CN201720039816U CN206393499U CN 206393499 U CN206393499 U CN 206393499U CN 201720039816 U CN201720039816 U CN 201720039816U CN 206393499 U CN206393499 U CN 206393499U
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Abstract
The utility model is related to gas inspection fixture, is specifically a kind of new tubular gas inspection fixture.The utility model, which solves existing gas inspection fixture, causes the problem of installation effectiveness of pitot is low.New tubular gas inspection fixture, including pagoda joint, I shells, ii shell, bushing, locking nut, tubular protective block, I sealing rings, ii sealing ring, ii I sealing rings, iv sealing ring, limit spring；Wherein, the endoporus of pagoda joint is two stage steps hole；The two stage steps hole includes aperture section, rear portion large aperture section in anterior small-bore section, middle part；I shells include anterior Taper Pipe section and rear portion pipe section；The taper end of anterior Taper Pipe section and the rear end of pagoda joint are processed as one；The front end of rear portion pipe section and the butt end of anterior Taper Pipe section are processed as one；The medial surface of rear portion pipe section is provided with I internal threads；The rear end face of I shells offers I annular grooves.The utility model is applied to aircraft.
Description
Technical field
The utility model is related to gas inspection fixture, is specifically a kind of new tubular gas inspection fixture.
Background technology
Pitot is survey tool particularly important on aircraft, and it is the total head and static pressure for experiencing air-flow that it, which is acted on, and will
Total head and static pressure send computer or flying instruments to, are achieved in the measurement of flying speed.In actual applications, it is necessary to by sky
Fast pipe screws the inside that fixture is examined installed in gas, and sends total head and static pressure to computer or flight instrument by gas inspection fixture
Table.But practice have shown that, existing gas inspection fixture is limited by self structure, and there are the following problems：Carrying out screwing for pitot
During installation, screw that dynamics is different due to different operating personnel, each operating personnel are required for screwing power according to oneself
The repeated multiple times operation of degree, just can guarantee that pitot is installed in place, thus causes the installation effectiveness of pitot low.Based on this, have
A kind of brand-new gas inspection fixture of necessity invention, causes the problem of installation effectiveness of pitot is low to solve existing gas inspection fixture.
The content of the invention
The utility model causes the problem of installation effectiveness of pitot is low there is provided one to solve existing gas inspection fixture
Plant new tubular gas inspection fixture.
The utility model adopts the following technical scheme that realization：
New tubular gas inspection fixture, including pagoda joint, I shells, ii shell, bushing, locking nut, tubular protection
Block, I sealing rings, ii sealing ring, ii I sealing rings, iv sealing ring, limit spring；
Wherein, the endoporus of pagoda joint is two stage steps hole；The two stage steps hole includes anterior small-bore section, middle part mesopore
Footpath section, rear portion large aperture section；
I shells include anterior Taper Pipe section and rear portion pipe section；The taper end of anterior Taper Pipe section and the rear end of pagoda joint add
Work is integrated；The front end of rear portion pipe section and the butt end of anterior Taper Pipe section are processed as one；The medial surface of rear portion pipe section is provided with
I internal threads；The rear end face of I shells offers I annular grooves；
The lateral surface of ii shell is one-level step surface；The one-level step surface includes anterior small outer diameter section and the big external diameter in rear portion
Section；Anterior small outer diameter section is provided with the I external screw threads being engaged with I internal threads；Anterior small outer diameter section and rear portion big outer diameter section it
Between joint face press the rear end faces of I shells；The endoporus of ii shell is two stage steps hole；The two stage steps hole includes front portion
Aperture section, rear portion large aperture section in small-bore section, middle part；The hole wall front portion of anterior small-bore section offers ii annular groove；
Ii internal thread is provided with the middle part of the hole wall of rear portion large aperture section；It is recessed that the hole wall rear portion of rear portion large aperture section offers ii I annulars
Groove；
The lateral surface of bushing is one-level step surface；The one-level step surface includes anterior big outer diameter section and rear portion small outer diameter section；
The front portion of anterior big outer diameter section is engaged with the hole wall rear portion of aperture section in the middle part of ii shell；
The lateral surface of locking nut is three-level step surface；The three-level step surface includes anterior small outer diameter section, middle front part China and foreign countries
Footpath section, external diameter section, rear portion big outer diameter section in postmedian, and the external diameter of external diameter section is less than the outer of external diameter section in middle front part in postmedian
Footpath；External diameter section is provided with the ii external screw thread with ii screw-internal thread fit in middle front part；The front end face of locking nut presses bushing
Joint face between anterior big outer diameter section and rear portion small outer diameter section；The rear portion small outer diameter section phase of the medial surface of locking nut and bushing
Coordinate；
The lateral surface of tubular protective block is one-level step surface；The one-level step surface includes anterior small outer diameter section and rear portion is outer greatly
Footpath section；Anterior small outer diameter section is engaged with the hole wall of aperture section in the middle part of pagoda joint；Rear portion large aperture section and pagoda joint
Rear portion large aperture section hole wall be engaged；
I sealing rings are flush-mounted in the inner chamber of I annular grooves；Ii sealing ring is flush-mounted in the inner chamber of ii annular groove；
Ii I sealing rings and iv sealing ring are flush-mounted in the company between the section of aperture in the anterior small-bore of ii shell section and middle part side by side
Between junction and the front end face of bushing；Limit spring is flush-mounted in the inner chamber of ii I annular grooves, and limit spring is sheathed on locking
The outside of external diameter section in the postmedian of nut.
In use, operating personnel in advance unload bushing and locking nut, and by pagoda joint and computer or flight instrument
Table is connected.Specifically used process is as follows：When screwing installation of pitot is being carried out, operating personnel first insert the end of pitot
The endoporus rear portion of ii shell, and pitot is promoted forward.When the tip forward top of pitot is to tubular protective block, operator
Bushing hoop is first located at the stem of pitot by member, and ensures in the front portion of the anterior big outer diameter section of bushing and the middle part of ii shell
The hole wall rear portion of aperture section is engaged, and then screws locking nut on ii shell, and limit spring finally is flush-mounted in into the
The inner chamber of III annular grooves, be achieved in pitot screws installation.When aircraft flight, the air-flow rushed in pitot
Pagoda joint is entered by the pitot hole of air speed pipe end, and computer or flight instrument to are sent total head by pagoda joint
Table, is achieved in the measurement of flying speed.In above process, aperture section and rear portion large aperture section in the middle part of ii shell
Between joint face to locking nut carry out front limit, limit spring to locking nut carry out after it is spacing so that locking nut
With fixed journey system.Ii sealing ring, ii I sealing rings, iv sealing ring are common to pitot formation sealing support.
Based on said process, compared with existing gas inspection fixture, new tubular gas inspection fixture described in the utility model passes through
Using brand new, possesses following advantage：The utility model is spacing by being carried out to locking nut so that operating personnel need not
The repeated multiple times operation of dynamics is screwed according to oneself, and need to only be operated according to the fixed journey system of locking nut, you can is ensured
Pitot is installed in place, and the installation effectiveness of pitot thus greatly improved.
The utility model is rational in infrastructure, ingenious in design, and efficiently solving existing gas inspection fixture causes the installation of pitot to be imitated
The problem of rate is low, it is adaptable to aircraft.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1- pagoda joints, 2- I shells, 3- ii shells, 4- bushings, 5- locking nuts, the tubular protective blocks of 6-,
7- I sealing rings, 8- ii sealing rings, 9- ii I sealing rings, 10- iv sealing rings, 11- limit springs, 12- mounting holes.
Embodiment
New tubular gas inspection fixture, including pagoda joint 1, I shells 2, ii shell 3, bushing 4, locking nut 5, pipe
Shape protective block 6, I sealing rings 7, ii sealing ring 8, ii I sealing rings 9, iv sealing ring 10, limit spring 11；
Wherein, the endoporus of pagoda joint 1 is two stage steps hole；The two stage steps hole is included in anterior small-bore section, middle part
Aperture section, rear portion large aperture section；
I shells 2 include anterior Taper Pipe section and rear portion pipe section；The taper end of anterior Taper Pipe section and the rear end of pagoda joint 1
It is processed as one；The front end of rear portion pipe section and the butt end of anterior Taper Pipe section are processed as one；The medial surface of rear portion pipe section is set
There are I internal threads；The rear end face of I shells 2 offers I annular grooves；
The lateral surface of ii shell 3 is one-level step surface；The one-level step surface includes anterior small outer diameter section and rear portion is outer greatly
Footpath section；Anterior small outer diameter section is provided with the I external screw threads being engaged with I internal threads；Anterior small outer diameter section and rear portion big outer diameter section
Between joint face press the rear end faces of I shells 2；The endoporus of ii shell 3 is two stage steps hole；The two stage steps hole includes
Aperture section, rear portion large aperture section in anterior small-bore section, middle part；It is recessed that the hole wall front portion of anterior small-bore section offers ii annular
Groove；Ii internal thread is provided with the middle part of the hole wall of rear portion large aperture section；The hole wall rear portion of rear portion large aperture section offers ii I annulars
Groove；
The lateral surface of bushing 4 is one-level step surface；The one-level step surface includes anterior big outer diameter section and rear portion small outer diameter section；
The front portion of anterior big outer diameter section is engaged with the hole wall rear portion of aperture section in the middle part of ii shell 3；
The lateral surface of locking nut 5 is three-level step surface；The three-level step surface includes anterior small outer diameter section, middle front part China and foreign countries
Footpath section, external diameter section, rear portion big outer diameter section in postmedian, and the external diameter of external diameter section is less than the outer of external diameter section in middle front part in postmedian
Footpath；External diameter section is provided with the ii external screw thread with ii screw-internal thread fit in middle front part；The front end face of locking nut 5 presses bushing 4
Anterior big outer diameter section and rear portion small outer diameter section between joint face；The medial surface of locking nut 5 and the small external diameter in rear portion of bushing 4
Section is engaged；
The lateral surface of tubular protective block 6 is one-level step surface；The one-level step surface includes anterior small outer diameter section and rear portion is big
External diameter section；Anterior small outer diameter section is engaged with the hole wall of aperture section in the middle part of pagoda joint 1；Rear portion large aperture section connects with pagoda
The hole wall of first 1 rear portion large aperture section is engaged；
I sealing rings 7 are flush-mounted in the inner chamber of I annular grooves；Ii sealing ring 8 is flush-mounted in the interior of ii annular groove
Chamber；Ii I sealing rings 9 and iv sealing ring 10 are flush-mounted in aperture section in the anterior small-bore of ii shell 3 section and middle part side by side
Between joint face and bushing 4 front end face between；Limit spring 11 is flush-mounted in the inner chamber of ii I annular grooves, and spacing bullet
Spring 11 is sheathed on the outside of external diameter section in the postmedian of locking nut 5.
When it is implemented, offering the mounting hole 12 of several front and rear insertions on the spacing ring of the pagoda joint 1；Each
Mounting hole 12 surrounds the axis equidistant arrangement of pagoda joint 1.
Claims (2)
1. a kind of new tubular gas inspection fixture, it is characterised in that：Including pagoda joint（1）, I shells（2）, ii shell（3）、
Bushing（4）, locking nut（5）, tubular protective block（6）, I sealing rings（7）, ii sealing ring（8）, ii I sealing rings（9）、
Iv sealing ring（10）, limit spring（11）；
Wherein, pagoda joint（1）Endoporus be two stage steps hole；The two stage steps hole includes anterior small-bore section, middle part mesopore
Footpath section, rear portion large aperture section；
I shells（2）Including anterior Taper Pipe section and rear portion pipe section；The taper end and pagoda joint of anterior Taper Pipe section（1）Rear end
It is processed as one；The front end of rear portion pipe section and the butt end of anterior Taper Pipe section are processed as one；The medial surface of rear portion pipe section is set
There are I internal threads；I shells（2）Rear end face offer I annular grooves；
Ii shell（3）Lateral surface be one-level step surface；The one-level step surface includes anterior small outer diameter section and the big external diameter in rear portion
Section；Anterior small outer diameter section is provided with the I external screw threads being engaged with I internal threads；Anterior small outer diameter section and rear portion big outer diameter section it
Between joint face press I shells（2）Rear end face；Ii shell（3）Endoporus be two stage steps hole；Wrap in the two stage steps hole
Include aperture section, rear portion large aperture section in anterior small-bore section, middle part；The hole wall front portion of anterior small-bore section offers ii annular
Groove；Ii internal thread is provided with the middle part of the hole wall of rear portion large aperture section；The hole wall rear portion of rear portion large aperture section offers ii I rings
Connected in star；
Bushing（4）Lateral surface be one-level step surface；The one-level step surface includes anterior big outer diameter section and rear portion small outer diameter section；Before
Front portion and the ii shell of portion's big outer diameter section（3）Middle part in aperture section hole wall rear portion be engaged；
Locking nut（5）Lateral surface be three-level step surface；The three-level step surface includes external diameter in anterior small outer diameter section, middle front part
Section, external diameter section, rear portion big outer diameter section in postmedian, and the external diameter of external diameter section is less than the outer of external diameter section in middle front part in postmedian
Footpath；External diameter section is provided with the ii external screw thread with ii screw-internal thread fit in middle front part；Locking nut（5）Front end face press bushing
（4）Anterior big outer diameter section and rear portion small outer diameter section between joint face；Locking nut（5）Medial surface and bushing（4）After
Portion's small outer diameter section is engaged；
Tubular protective block（6）Lateral surface be one-level step surface；The one-level step surface includes anterior small outer diameter section and rear portion is outer greatly
Footpath section；Anterior small outer diameter section and pagoda joint（1）Middle part in aperture section hole wall be engaged；Rear portion large aperture section connects with pagoda
Head（1）Rear portion large aperture section hole wall be engaged；
I sealing rings（7）It is flush-mounted in the inner chamber of I annular grooves；Ii sealing ring（8）It is flush-mounted in the interior of ii annular groove
Chamber；Ii I sealing rings（9）With iv sealing ring（10）Ii shell is flush-mounted in side by side（3）Anterior small-bore section and middle part in
Joint face and bushing between the section of aperture（4）Front end face between；Limit spring（11）It is flush-mounted in the interior of ii I annular grooves
Chamber, and limit spring（11）It is sheathed on locking nut（5）Postmedian in external diameter section outside.
2. new tubular gas inspection fixture according to claim 1, it is characterised in that：The pagoda joint（1）Spacing ring
On offer the mounting holes of several front and rear insertions（12）；Each mounting hole（12）Around pagoda joint（1）Axis equidistantly arrange
Row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720039816.4U CN206393499U (en) | 2017-01-13 | 2017-01-13 | New tubular gas inspection fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720039816.4U CN206393499U (en) | 2017-01-13 | 2017-01-13 | New tubular gas inspection fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206393499U true CN206393499U (en) | 2017-08-11 |
Family
ID=59513597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720039816.4U Active CN206393499U (en) | 2017-01-13 | 2017-01-13 | New tubular gas inspection fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206393499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219209A (en) * | 2021-05-30 | 2021-08-06 | 成都华太航空科技股份有限公司 | Airspeed tube installation sealing clamp |
-
2017
- 2017-01-13 CN CN201720039816.4U patent/CN206393499U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219209A (en) * | 2021-05-30 | 2021-08-06 | 成都华太航空科技股份有限公司 | Airspeed tube installation sealing clamp |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |