CN206407166U - Fuel oil drainage device and the drainage device for aircraft - Google Patents
Fuel oil drainage device and the drainage device for aircraft Download PDFInfo
- Publication number
- CN206407166U CN206407166U CN201720104813.4U CN201720104813U CN206407166U CN 206407166 U CN206407166 U CN 206407166U CN 201720104813 U CN201720104813 U CN 201720104813U CN 206407166 U CN206407166 U CN 206407166U
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- China
- Prior art keywords
- support tube
- collecting pipe
- fuel oil
- support
- oil
- 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.)
- Expired - Fee Related
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- Feeding And Controlling Fuel (AREA)
Abstract
A kind of drainage device the utility model discloses fuel oil drainage device and for aircraft, including support bar, support tube and oil collecting pipe；Support bar is fixedly installed in support tube, and support bar is coaxially disposed with support tube, and the top of support bar exceeds the top of support tube；Oil collecting pipe is actively socketed in support tube, and oil collecting pipe is coaxially disposed with support tube.Fuel oil drainage device of the present utility model, makes support bar be directed at Fuel Bleed Valve center, oil collecting pipe and stillpot or covering formation closing space by oil collecting pipe；Support tube is above pushed away, support bar top opens oil valve, and oil collecting pipe keeps relative closure to retraction inside support tube, oil collecting pipe with stillpot or covering, and fuel oil is flowed down along oil-collecting inside pipe wall；After fuel oil is let out to the greatest extent, support tube is moved down, Fuel Bleed Valve, which resets, is closed, and oil collecting pipe is resetted, and draining operation is completed, operation facility, it is to avoid fuel oil splash to the external world, it is therefore prevented that introduced contaminants is mixed into fuel oil, the value with progress popularization and application.
Description
Technical field
The utility model is related to drainage device technical field, more particularly to a kind of fuel oil drainage device and for aircraft
Drainage device.
Background technology
Aircraft maintenance needs to use defueling instrument, and the Fuel Bleed Valve top of aircraft stillpot is opened, and releases fuel oil simultaneously
It is collected.In this course of work, due to the pressure effect of fuel oil in aircraft, top is opened after the Fuel Bleed Valve of stillpot, combustion
Oil can cause difficulty downwards in dispersiveness injection to fuel oil collection work.
The defueling instrument used at present is open by design, it is impossible to solve two subject matters.Once being that operation is inadequate
Profit, two be that introduced contaminants is easily mixed into during draining and then pollutes fuel oil.
At present, need a kind of draining operation facility badly, and will not make what fuel oil was contaminated to let out fuel oil instrument.
Utility model content
The purpose of this utility model is to provide a kind of fuel oil drainage device and the drainage device for aircraft, existing to solve
There is the operation of draining present in technology not enough to facilitate, easily pollute environment, and the technical problem that fuel oil is easily contaminated.
To achieve these goals, the utility model uses following technical scheme：
A kind of fuel oil drainage device that the utility model is provided, including support bar, support tube and oil collecting pipe；
The support bar is fixedly installed in the support tube, and the support bar is coaxially disposed with the support tube, described
The top of support bar exceeds the top of the support tube；
The oil collecting pipe is actively socketed in the support tube, and the oil collecting pipe is coaxially disposed with the support tube.
Further, the support bar is fixedly connected on the bottom of the support tube by support base.
Further, the support base includes 3 fixed supporting legs；
One end of 3 fixed supporting legs links together, and the angle between the adjacent fixed supporting leg is 120 °.
Further, it is provided with block on the inwall of the support tube.
Further, it is provided with shoulder block on the outer wall of the oil collecting pipe.
Further, in addition to annular resilient device；
One end of the annular resilient device is arranged on the block, and the other end of the annular resilient device is arranged on
On the shoulder block.
Further, the annular resilient device is spring.
Further, in addition to mouth guard tube；
The mouth guard tube is fixedly sleeved in the support tube；
The mouth guard tube is coaxially disposed with the support tube.
Further, the fixedly sleeved top in the support tube of the mouth guard tube.
The utility model also provides a kind of drainage device for aircraft, including mozzle and fuel oil draining as the aforementioned
Device；
The mozzle is connected to the bottom of the support tube.
The fuel oil drainage device that the utility model is provided and the drainage device for aircraft, the top of oil collecting pipe is aligned in
On fuel oil stillpot in the circular groove concentric with Fuel Bleed Valve, or align circular mark concentric with Fuel Bleed Valve on fuselage skin
Know, so that support bar alignment Fuel Bleed Valve center, accurate draining, oil collecting pipe and stillpot or covering formation closing space, keep away
Draining process intermediate fuel oil splash is exempted to the external world；Support tube is above pushed away, support bar is moved upwards therewith, the open oil valve in top, oil-collecting
Pipe keeps relative closure to retraction inside support tube, oil collecting pipe with stillpot or covering, and fuel oil sprays downwards, along along oil collecting pipe
Wall is flowed down, and is flowed into the collection vessel being connected with oil collecting pipe；Fuel oil is let out to the greatest extent or after collection vessel fills with, and is moved down support tube, is propped up
Strut is moved downward therewith, and Fuel Bleed Valve, which resets, is closed, and oil collecting pipe is resetted, and draining operation is completed, in place by the institute of oil collecting pipe
Fuel Bleed Valve center can be aligned by support bar exactly by putting, draining operation facility, oil collecting pipe during draining all the time with precipitation
Groove or covering keep closing, so as to avoid fuel oil splash to the external world, will not pollute external environment, and prevent introduced contaminants
It is mixed into during draining in fuel oil, it is to avoid fuel oil is contaminated, and solves existing open defueling tool operation
Not convenient, fuel oil is easily splashed to extraneous and pollutes environment, and introduced contaminants is the problem of be easily mixed into and pollute fuel oil, is adapted for
Popularization and application.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of existing defueling instrument；
A kind of structural representation for fuel oil drainage device that Fig. 2 provides for the utility model；
A kind of application schematic diagram for fuel oil drainage device that Fig. 3 provides for the utility model；
A kind of application schematic diagram for fuel oil drainage device that Fig. 4 provides for the utility model.
Reference：
1- push rods；2- water conservancy diversion steel pipes；3- metal collections bowl；
4- perforates；5- support bars；6- support tubes；
7- oil collecting pipes；8- support bases；9- blocks；
10- shoulder blocks；11- annular resilient devices；12- mouth guard tubes；
13- Fuel Bleed Valves.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only
Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The problem of existing below for prior art.
As shown in figure 1, the defueling instrument used at present is open by design, including push rod 1, the water conservancy diversion being welded as a whole
Steel pipe 2 and metal collection bowl 3, and the perforate 4 on the surface of water conservancy diversion steel pipe 2.
Its course of work is：Push rod 1 is directed at stillpot Fuel Bleed Valve center, whole defueling instrument is above pushed away, makes push rod 1
Gradually stillpot Fuel Bleed Valve is opened on top upwards, and fuel oil releases backward lower section in dispersiveness injection, utilizes the 3 pairs of injections of metal collection bowl
The fuel oil gone out is collected, and the perforate 4 by the surface of water conservancy diversion steel pipe 2 flows into water conservancy diversion steel pipe 2 and then flowed in collection vessel, works as combustion
Oil is drained or collection vessel have collected after enough fuel oils, this defueling instrument is unclamped downwards, then stillpot Fuel Bleed Valve
Playback is closed, defueling end-of-job.
The defueling instrument of current this open by design, it is impossible to solve fuel oil spluttering and pollution problem.
Operating personnel's sight is blocked in the presence of metal collection bowl 3, so as to be difficult to observe the present position of push rod 1, causes work
Convenience and the relations problems of fuel oil spluttering are difficult to solve.On the one hand, if increasing length of the push rod 1 beyond metal collection bowl 3,
Although the present position of push rod 1 can be clearly viewed, and then the center of push rod 1 is easily directed at stillpot Fuel Bleed Valve center, behaviour
Facilitate, but the injection of fuel oil dispersiveness and lower area is bigger, be unfavorable for metal collection bowl 3 and collect fuel oil and reduce spluttering.
On the other hand, if the diameter of increase metal collection bowl 3, although be conducive to metal collection bowl 3 to collect fuel oil and reduce spluttering, but
It is difficult to observe the present position of push rod 1, and then is not easy, by the center of push rod 1 alignment stillpot Fuel Bleed Valve center, operation inconvenience, to make
Decline into work convenience.
In terms of pollution problem, one is that fuel oil releases backward lower section in dispersiveness injection, is rebounded by metal collection 3 inwalls of bowl
Afterwards, outwards sputtering and pollute environment, two be to be drenched after the impurity such as wadding that float in air enter fuel oil jeting area by fuel oil, then
Flowed to fuel oil along water conservancy diversion steel pipe 2 in collection vessel, fuel oil is polluted.
It is embodiment of the present utility model below.
Embodiment one：
In the alternative of the present embodiment, as shown in Figures 2 to 4, a kind of fuel oil drainage device that the present embodiment is provided,
Including support bar 5, support tube 6 and oil collecting pipe 7；
Support bar 5 is fixedly installed in support tube 6, and support bar 5 is coaxially disposed with support tube 6, and the top of support bar 5 exceeds
The top of support tube 6；
Oil collecting pipe 7 is actively socketed in support tube 6, and oil collecting pipe 7 is coaxially disposed with support tube 6.
In the present embodiment, the top of support bar 5 can be set to the top above or below oil collecting pipe 7, according to work of draining the oil
The position depth of door, the top of the oil collecting pipe 7 of selection adaptation and the height relation of the relative position on the top of support bar 5, with
Make the top of oil collecting pipe 7 being aligned in circular groove concentric with Fuel Bleed Valve 13 on fuel oil stillpot, or align fuselage
On covering during the coloured circular indicia of the band concentric with Fuel Bleed Valve 13, in the Fuel Bleed Valve 13 of the alignment stillpot of support bar 5
The heart, oil collecting pipe 7 and stillpot or covering formation closing space, it is to avoid draining process intermediate fuel oil splash is to extraneous.
Above push away support tube 6, the motion upwards therewith of support bar 5, the open oil valve 13 in top, oil collecting pipe 7 contracts to inside support tube 6
Enter, oil collecting pipe 7 keeps relative closure with stillpot or covering, and fuel oil sprays downwards, flowed down along the inwall of oil collecting pipe 7, flows into
Into the collection vessel being connected with oil collecting pipe 7.
Fuel oil is let out to the greatest extent or after collection vessel fills with, and moves down support tube 6, support bar 5 is moved downward therewith, Fuel Bleed Valve 13 is answered
Position is closed, and oil collecting pipe 7 resets, and draining operation is completed.
Support bar 5 can be aligned by the center of Fuel Bleed Valve 13 by the position of oil collecting pipe 7 exactly, draining is operated just
Profit, oil collecting pipe 7 keeps with stillpot or covering closing all the time during draining, so as to avoid fuel oil splash to extraneous, no
Environment can pollute to external world, and prevent introduced contaminants to be mixed into during draining in fuel oil, it is to avoid fuel oil by
To pollution.
In the alternative of the present embodiment, support bar 5 is fixedly connected on the bottom of support tube 6 by support base 8.
In the present embodiment, the bottom of support bar 5 is fixedly connected in support base 8, and support base 8 is fixedly connected on branch
The bottom of stay tube 6.
In the alternative of the present embodiment, support base 8 includes 3 fixed supporting legs；
One end of 3 fixed supporting legs links together, and the angle between adjacent fixed supporting leg is 120 °.
In the present embodiment, support base 8 includes 3 fixed supporting legs, and 3 fixed supporting leg one end are gathered, and the other end is circumferential
Uniform intervals, the Stability Analysis of Structures of support base 8 can stably play fixed support bar 5；Support bar 5 is fixedly connected on
The center of support base 8, connected mode can be welding.
In the alternative of the present embodiment, block 9 is provided with the inwall of support tube 6.
In the present embodiment, block 9 is close to the bottom of support tube 6, and block 9 is tubulose, and its inner wall smooth, outer wall is provided with
Twice annular groove, the position of the correspondence annular groove of block 9 applies pressure progress spinning operation on support tube 6, so that support tube 6
Local deformation, so that block 9 is clamped securely on the inwall of support tube 6；The Stability Analysis of Structures of block 9, spinning operation can only make branch
The outer wall deformation of stay tube 6, does not interfere with the inner wall smooth of block 9；After spinning operation is implemented, support tube 6 produces twice annular
Groove but do not rupture, it is ensured that fuel oil by when will not produce leakage.
Support base 8 is fixedly connected on the bottom of support tube 6, i.e. support base 8 by block 9 and is fixedly connected on block 9
Inwall on.
The bottom of oil collecting pipe 7 is stretched into block 9, and block 9 will not hinder the up and down motion of oil collecting pipe 7；The bottom of oil collecting pipe 7
There is a certain distance between support base 8, the flexible of oil collecting pipe 7 will not be equally hindered.
In the alternative of the present embodiment, shoulder block 10 is provided with the outer wall of oil collecting pipe 7.
In the present embodiment, shoulder block 10 is close to the top of oil collecting pipe 7.
In the alternative of the present embodiment, in addition to annular resilient device 11；
One end of annular resilient device 11 is arranged on block 9, and the other end of annular resilient device 11 is arranged on shoulder block 10
On.
In the present embodiment, annular resilient device 11 is socketed on the outer wall of oil collecting pipe 7, the two ends of annular resilient device 11
Contacted respectively with the shoulder block 10 on the block 9 and oil collecting pipe 7 on support tube 6；Oil collecting pipe 7 is by annular resilient device 11 in support
Relative support pipe 6 can move up and down in pipe 6.
In the alternative of the present embodiment, annular resilient device 11 is spring.
In the alternative of the present embodiment, in addition to mouth guard tube 12；
Mouth guard tube 12 is fixedly sleeved in support tube 6；
Mouth guard tube 12 is coaxially disposed with support tube 6.
In the present embodiment, mouth guard tube 12 is socketed between the inwall of the outer wall of oil collecting pipe 7 and support tube 6, mouth guard tube 12
Positioned at the top of shoulder block 10；The effect of mouth guard tube 12, is on the one hand the position for stablizing oil collecting pipe 7, makes oil collecting pipe 7 in support tube 6
Smoothly stretch, be on the other hand the position by limiting shoulder block 10, to limit the stroke of oil collecting pipe 7.
The inner wall smooth of mouth guard tube 12, outer wall is provided with one of annular groove, the correspondence annular groove of mouth guard tube 12 on support tube 6
Position applies pressure and carries out spinning operation, so that the local deformation of support tube 6, so that mouth guard tube 12 is clamped securely to support tube
On 6 inwall；After spinning operation is implemented, support tube 6, which is produced, one of annular groove but not to be ruptured, it is ensured that fuel oil by when
Leakage will not be produced.
In the alternative of the present embodiment, the fixedly sleeved top in support tube 6 of mouth guard tube 12.
In the present embodiment, mouth guard tube 12 is fixed on by way of spinning on the inwall on the top of support tube 6.
Embodiment two：
In the alternative of the present embodiment, as shown in Figures 2 to 4, a kind of fuel oil drainage device that the present embodiment is provided,
Including support bar 5, support tube 6 and oil collecting pipe 7；
Support bar 5 is fixedly installed in support tube 6, and support bar 5 is coaxially disposed with support tube 6, and the top of support bar 5 exceeds
The top of support tube 6；
Oil collecting pipe 7 is actively socketed in support tube 6, and oil collecting pipe 7 is coaxially disposed with support tube 6.
In the alternative of the present embodiment, support bar 5 is fixedly connected on the bottom of support tube 6 by support base 8.
In the present embodiment, the bottom of support bar 5 is fixedly connected in support base 8, and support base 8 is fixedly connected on branch
The bottom of stay tube 6.
In the alternative of the present embodiment, support base 8 is discoid, and multiple through holes are provided with support base 8.
In the present embodiment, the Stability Analysis of Structures of discoid support base 8, can stably play the work of fixed support bar 5
With；Support bar 5 is fixedly connected on the center of support base 8；Fuel oil is flowed down by through hole.
In the alternative of the present embodiment, block 9 is provided with the inwall of support tube 6.
In the alternative of the present embodiment, shoulder block 10 is provided with the outer wall of oil collecting pipe 7.
In the alternative of the present embodiment, in addition to annular resilient device 11；
One end of annular resilient device 11 is arranged on block 9, and the other end of annular resilient device 11 is arranged on shoulder block 10
On.
In the present embodiment, annular resilient device 11 is socketed on the outer wall of oil collecting pipe 7.
In the alternative of the present embodiment, annular resilient device 11 is caoutchouc elasticity circle.
In the alternative of the present embodiment, in addition to mouth guard tube 12；
Mouth guard tube 12 is fixedly sleeved in support tube 6；
Mouth guard tube 12 is coaxially disposed with support tube 6.
In the present embodiment, mouth guard tube 12 is socketed between the inwall of the outer wall of oil collecting pipe 7 and support tube 6, makes oil collecting pipe 7
Smoothly stretched in support tube 6；Mouth guard tube 12 is located at the top of shoulder block 10, limits the stroke of oil collecting pipe 7.
In the alternative of the present embodiment, the fixedly sleeved top in support tube 6 of mouth guard tube 12.
In the present embodiment, mouth guard tube 12 is fixed on by way of welding on the inwall on the top of support tube 6.
Embodiment three：
In the alternative of the present embodiment, a kind of drainage device for aircraft that the present embodiment is provided, including water conservancy diversion
Pipe and the fuel oil drainage device as described in embodiment one or embodiment two；
Mozzle is connected to the bottom of support tube 6.
In the present embodiment, fuel oil drainage device carries out draining to the fuel oil stillpot of aircraft, and fuel oil is flowed into by mozzle
Collection vessel, the material and length of mozzle are selected according to actual conditions.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of fuel oil drainage device, it is characterised in that including support bar, support tube and oil collecting pipe；
The support bar is fixedly installed in the support tube, and the support bar is coaxially disposed with the support tube, the support
The top of bar exceeds the top of the support tube；
The oil collecting pipe is actively socketed in the support tube, and the oil collecting pipe is coaxially disposed with the support tube.
2. fuel oil drainage device according to claim 1, it is characterised in that the support bar is fixed by support base to be connected
It is connected on the bottom of the support tube.
3. fuel oil drainage device according to claim 2, it is characterised in that the support base includes 3 fixed supporting legs；
One end of 3 fixed supporting legs links together, and the angle between the adjacent fixed supporting leg is 120 °.
4. fuel oil drainage device according to claim 1, it is characterised in that gear is provided with the inwall of the support tube
Block.
5. fuel oil drainage device according to claim 4, it is characterised in that gear is provided with the outer wall of the oil collecting pipe
Shoulder.
6. fuel oil drainage device according to claim 5, it is characterised in that also including annular resilient device；
One end of the annular resilient device is arranged on the block, and the other end of the annular resilient device is arranged on described
On shoulder block.
7. fuel oil drainage device according to claim 6, it is characterised in that the annular resilient device is spring.
8. fuel oil drainage device according to claim 1, it is characterised in that also including mouth guard tube；
The mouth guard tube is fixedly sleeved in the support tube；
The mouth guard tube is coaxially disposed with the support tube.
9. fuel oil drainage device according to claim 8, it is characterised in that the mouth guard tube is fixedly sleeved in the support
The top of pipe.
10. a kind of drainage device for aircraft, it is characterised in that including mozzle and such as any one of claim 1 to 9 institute
The fuel oil drainage device stated；
The mozzle is connected to the bottom of the support tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720104813.4U CN206407166U (en) | 2017-01-23 | 2017-01-23 | Fuel oil drainage device and the drainage device for aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720104813.4U CN206407166U (en) | 2017-01-23 | 2017-01-23 | Fuel oil drainage device and the drainage device for aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206407166U true CN206407166U (en) | 2017-08-15 |
Family
ID=59557993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720104813.4U Expired - Fee Related CN206407166U (en) | 2017-01-23 | 2017-01-23 | Fuel oil drainage device and the drainage device for aircraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206407166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3772463A1 (en) * | 2019-08-08 | 2021-02-10 | Gulfstream Aerospace Corporation | Fuel drain engagement tool |
-
2017
- 2017-01-23 CN CN201720104813.4U patent/CN206407166U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3772463A1 (en) * | 2019-08-08 | 2021-02-10 | Gulfstream Aerospace Corporation | Fuel drain engagement tool |
| US11814188B2 (en) | 2019-08-08 | 2023-11-14 | Gulfstream Aerospace Corporation | Fuel drain engagement tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 Termination date: 20210123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |