CN209650523U - A kind of helicopter body water-proof drainage device - Google Patents
A kind of helicopter body water-proof drainage device Download PDFInfo
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- CN209650523U CN209650523U CN201821845312.2U CN201821845312U CN209650523U CN 209650523 U CN209650523 U CN 209650523U CN 201821845312 U CN201821845312 U CN 201821845312U CN 209650523 U CN209650523 U CN 209650523U
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- sealed body
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- fixing axle
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Abstract
This application discloses a kind of helicopter body water-proof drainage devices, and the water outlet opened up on the bottom plate of helicopter body is arranged in, comprising: the water outlet of bottom plate is arranged in tubular sealed body, end sealing；Injector is drained, is sealingly disposed at the bottom opening of sealed body；Fixing axle offers through-hole thereon, in the inner cavity for sealing and being fixed at sealed body；Upper float floats up and down and is arranged in the upper plenum of sealed body, blocks the through-hole in sealed body top opening and fixing axle during capable of floating up and down；Lower floating body, floats up and down and is arranged in the lower cavity of sealed body, can block the through-hole in fixing axle.The helicopter body water-proof drainage device of the application, can carry out body internal drainage and automatic plugging water inlet in time, be able to achieve Auto-drainage and body-sealing bottom, it is easy to operate, reduce workload, stability is good, the safety of operator and the serviceability rate of equipment are improved, cost has been saved.
Description
Technical field
The application belongs to helicopter body field of structural design, in particular to a kind of helicopter body water-proof drainage device.
Background technique
Drainage arrangement is usually provided in helicopter body, be helicopter the rainy day or when the water surface executes task by body
The necessary devices that interior water excludes in time；The liquid such as the intracorporal water of machine cannot be discharged in time, lead to telecompass etc. in body
The normal use of various electronic equipments is affected, and even damages various electronic equipments；So drainage arrangement is to guarantee body
The essential condition of interior various electronic equipment normal uses, and guarantee that helicopter normally executes one of the important prerequisite of task.
But at present when being designed to each system of helicopter, body drainage arrangement is often ignored；Most usual manner
A mouth exactly is opened in covering bottom, is then clogged with a common waterproof seal plug, when aircraft has executed task, passes through people
Work is blocked and is drained manually.Design unreasonable in this way, so that being drained more difficult, Er Qieyou in aircraft execution task
Strong in the subjectivity of operation, operator tends to ignore body draining and blocks, finally make the intracorporal water of machine can not in time,
Normal discharge, causes the various electronic equipments for being mounted on organism bottom to burn, and influences internal various electronic equipment normal uses,
To pay very big cost, and seriously affect the rate of attendance and service efficiency of helicopter.
Utility model content
At least one in order to solve the above-mentioned technical problem, this application provides a kind of helicopter body water-proof drainage devices.
This application discloses a kind of helicopter body water-proof drainage device, it is arranged in and is opened up on the bottom plate of helicopter body
Water outlet, comprising:
The water outlet of the bottom plate is arranged in tubular sealed body, the end sealing of the sealed body；
Drain injector, be sealingly disposed at the bottom opening of the sealed body, the inner cavity of the sealed body via
The draining injector is in communication with the outside, and the draining injector is used for through outer gas stream effect so that the sealed body
Negative pressure is formed between inner cavity and the external world；
Fixing axle, the fixed sealing and is fixed in the inner cavity of the sealed body, and the inner cavity is separated
For upper cavity and lower chamber, through-hole is offered in the fixing axle, upper cavity can be connected to lower chamber；
Upper float floats up and down and is arranged in the upper plenum of the sealed body, and the upper float floats to upwards and institute
When stating sealed body top opening, the sealed body top opening can be blocked, and the upper float floats downwards
To when being contacted with fixing axle, the through-hole in the fixing axle can be blocked；
Lower floating body, floats up and down and is arranged in the lower cavity of the sealed body, and the lower floating body float to upwards with
When fixing axle contacts, the through-hole in the fixing axle can be blocked.
According at least one embodiment of the application, it is provided at the top of the fixing axle along the sealed body axis
The protrusion in direction；
One end close to the fixing axle of the upper float offers the groove to match with the protrusion, the floating
Body is slided up and down by the groove to be set in the protrusion.
According at least one embodiment of the application, the helicopter body water-proof drainage device further include:
Locating shaft is arranged inside the sealed body along the sealed body axis direction, and one end end is fixed on institute
It states at the top of draining injector；
One end close to the draining injector of the lower floating body offers the groove to match with the locating shaft, institute
It states lower floating body and is slided up and down by the groove and is set on the locating shaft.
According at least one embodiment of the application, the top of the sealed body is provided with mounting flange, described close
It seals main body and the water outlet opened up on the bottom plate of helicopter body is fixed on by the mounting flange.
According at least one embodiment of the application, the top of the sealed body is coaxially arranged with mounting ring, described
External screw thread is offered outside mounting ring, the sealed body is threaded on the bottom plate of helicopter body by the mounting ring and is opened
If water outlet.
According at least one embodiment of the application, through-hole is offered in the ring body of the mounting ring of the sealed body,
The one side edge close to the sealed body of the through-hole is flushed with the top surface of the sealed body.
According at least one embodiment of the application, set between the sealed body and the bottom plate of the helicopter body
It is equipped with sealing ring.
According at least one embodiment of the application, perforation is offered on the draining injector.
According at least one embodiment of the application, the perforation is inclined hole, opens up direction and the helicopter
Course direction is in predetermined angle.
At least there are following advantageous effects in the application:
The helicopter body water-proof drainage device of the application can carry out body internal drainage and automatic plugging water inlet in time
Mouthful, solve the problems, such as that the various electronic equipments such as telecompass are burnt out, which is able to achieve Auto-drainage and body-sealing bottom
Portion, it is easy to operate, reduce workload, stability is good, improves the safety of operator and the serviceability rate of equipment, saved at
This, saves a large amount of handling time and reduces operational danger.It is suitble to produce in enormous quantities and other similar solution
Certainly and develop.
Detailed description of the invention
Fig. 1 is the Structure explosion diagram for the helicopter body water-proof drainage device that the application is threadedly coupled installation form；
Fig. 2 is the cross-sectional view for the helicopter body water-proof drainage device that the application is threadedly coupled installation form；
Fig. 3 is the Structure explosion diagram of the helicopter body water-proof drainage device of the application ring flange riveting installation form；
Fig. 4 is the cross-sectional view of the helicopter body water-proof drainage device of the application ring flange riveting installation form；
Fig. 5 is the application injector principle rough schematic.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under
Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the application and simplifies description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application
The limitation of range.
1 to Fig. 5 the application is described in further details with reference to the accompanying drawing.
It is anti-that this application discloses a kind of helicopter bodies of water outlet for being arranged in and opening up on the bottom plate of helicopter body
Water drainage arrangement.
Wherein, helicopter body water-proof drainage device may include sealed body 2, draining injector 5, fixing axle 4, float
Body 3 and lower floating body 6.
Sealed body 2 is cylindrical in shape, and the water outlet of bottom plate is arranged in end sealing.
It should be noted that a variety of suitable structures can be set into the top of sealed body 2, thus and helicopter body
Bottom plate be sealedly and fixedly connected.
As depicted in figs. 1 and 2, in one embodiment, the top setting (integrated molding) of sealed body 2 has Method for Installation
Orchid, so that sealed body 2 can be fixed on the water outlet opened up on the bottom plate of helicopter body by mounting flange, and even
The place of connecing can be set sealing ring 1 and be sealed.
As shown in Figure 3 and Figure 4, in another embodiment, it is coaxially arranged with mounting ring on the top of sealed body 2, pacified
Offer external screw thread outside dress ring, thus sealed body 2 by the mating connection of mounting ring and nut helicopter body bottom plate
On the water outlet that opens up.Equally, sealing ring 1 can be set in junction to be sealed.Further, in order to enable draining more
Thoroughly, through-hole, and a side of the close sealed body 2 of through-hole can be offered in the ring body of the mounting ring of sealed body 2
Edge (Fig. 3 and Fig. 4 in bottom edge) is flushed with the top surface of sealed body 2.
Draining injector 5 can be using a variety of suitable structures being currently known；Draining injector 5 is sealingly disposed in sealing
At the bottom opening of main body 2, the inner cavity of sealed body 2 is in communication with the outside via draining injector 5, and draining injector 5 is for leading to
Outer gas stream effect is crossed so that forming negative pressure between the inner cavity and the external world of sealed body 2.It is possible to further in draining injector
Perforation 8 is offered on 5, and perforation 8 is inclined hole, open up the course direction of direction and helicopter in predetermined angle, angle is big
Small can according to need carries out suitable setting.
Fixing axle 4 is sealed and is fixed in the inner cavity of sealed body 2 in disk-shaped, inner cavity can be divided on
Cavity and lower chamber, and through-hole is offered in fixing axle 4, upper cavity can be connected to lower chamber.It is possible to further
The protrusion along 2 axis direction of sealed body is provided at the top of fixing axle 4.
Upper float 3 is to float up and down to be arranged in the upper plenum of sealed body 2, and upper float 3 floats to upwards to be led with sealing
When 2 top opening of body, 2 top opening of sealed body can be blocked, and upper float 3 floats to connect with fixing axle 4 downwards
When touching, the through-hole in fixing axle 4 can be blocked；Further, one end of the close fixing axle 4 of upper float 3 offers
The groove to match with protrusion, upper float 3 is slided up and down by groove to be set in the protrusion of fixing axle 4, thus to upper float 3
It floats up and down and is limited, so that stability is stronger.
Lower floating body 6 is to float up and down to be arranged in the lower cavity of sealed body 2, and lower floating body 6 floats to its top upwards
When contacting with fixing axle 4, lower floating body 6 can block the through-hole in fixing axle 4.
Further, helicopter body water-proof drainage device further includes locating shaft 7；Locating shaft 7 is along 2 axis side of sealed body
To being arranged inside sealed body 2, one end end is fixed on 5 top of draining injector；The close draining injector 5 of lower floating body 6
One end offer the groove to match with locating shaft 7, descended floating body 6 is slided up and down by groove to be set on locating shaft 7, together
Sample is that the stability for floating downward body 6 can be made stronger.
In conclusion the helicopter body water-proof drainage device of the application, is a kind of cylindrical structure of band bilayer floating body,
It is to rely on organism bottom covering, which is fixed on organism bottom covering by modes such as rivets, this structure has
Easy for installation, Auto-drainage and automatic the advantages of blocking water inlet.Specifically, cylindrical type internal structure is the sky of two-chamber shell
Chamber passes through positioning pin fixed form using locating shaft and with injection drain structure for water body Dual-layer floating body as in cavity
Floating body is blocked and is located in cavity, and respectively opens an aperture in cylindrical base injection drain structure for water body two sides；Then
Entire cylindrical body is connected by interference fit with special connector, is fixed on whole device by rivet or screw thread installation form
Helicopter body bottom outer surface.
The helicopter body water-proof drainage device of the application in the design dexterously in physics buoyancy, gravity and
The effect of injection principle makes the intracorporal I-shaped floating body automatic plugging of cylindrical body two-chamber shell and draining.When aircraft executes on the water surface
When task, the I-shaped floating body (i.e. upper and lower floating body) in bottom discharge device is by the effect of buoyancy, using double-layer seal
Form blocks inlet opening, make water will not enter body, when aircraft leaves the water surface, sphere using itself weight it is automatic under
Drop to cylinder bottom, automatically open drainage hole, at the same when aircraft utilizes flight rotor rotational generate air-flow and body itself and
The air-flow that air generates makes body and atmosphere form an injector and generates pressure difference, and the intracorporal water of machine, which is rolled up, is drawn onto water trap
On, to accelerate Auto-drainage in device using the principle of injection.Along with bottom of device two sides are respectively provided with a hole, when winged
When machine flight, the air-flow around device can also form an injector with two holes of device and generate pressure difference, to cause two
Secondary injection continues to have further speeded up the Auto-drainage in device.
The helicopter body water-proof drainage device of the application has used the cylindrical structure form with the double-deck spool, has used
Rivet or screw thread unilateral side Method for Installation, are mounted on and go straight up to motor spindle covering minimum point, the intracorporal water energy of machine are discharged in time, and energy
Automatically it is sealed water inlet.Dexterously with the effect of buoyancy, gravity and injection principle in physics, this knot in design
Structure device has many advantages, such as automatic draining in time, blocks water inlet, flexible operation and light-weight automatically；The structure of such device is set
The key technologies such as meter, water discharge method and seal form have top standard, have filled up out the blank of this technology.Pass through design
This new structure device, to solve to drain in time in helicopter body and block water inlet etc. in time when the water surface executes task
Situation guarantees that helicopter is mounted on the safe handling of the various equipment such as telecompass of bottom, to ensure that helicopter fills
Standby serviceability rate.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (9)
1. the water outlet opened up on the bottom plate of helicopter body is arranged in a kind of helicopter body water-proof drainage device, special
Sign is, comprising:
The water outlet of the bottom plate is arranged in the end sealing of tubular sealed body (2), the sealed body (2)；
It drains injector (5), is sealingly disposed at the bottom opening of the sealed body (2), the inner cavity of the sealed body (2)
It is in communication with the outside via the draining injector (5), the draining injector (5) is used to act on by outer gas stream so that described
Negative pressure is formed between the inner cavity and the external world of sealed body (2)；
Fixing axle (4), the fixing axle (4) seals and is fixed in the inner cavity of the sealed body (2), by the inner cavity
It is divided into upper cavity and lower chamber, offers through-hole on the fixing axle (4), upper cavity can be connected to lower chamber；
Upper float (3) floats up and down and is arranged in the upper plenum of the sealed body (2), and the upper float (3) floats to upwards
When with the sealed body (2) top opening, the sealed body (2) top opening can be blocked, and the floating
When body (3) is floated to downwards with fixing axle (4) contact, the through-hole on the fixing axle (4) can be blocked；
Lower floating body (6) is floated up and down and is arranged in the lower cavity of the sealed body (2), and the lower floating body (6) floats upwards
To when being contacted with fixing axle (4), the through-hole on the fixing axle (4) can be blocked.
2. helicopter body water-proof drainage device according to claim 1, which is characterized in that pushed up in the fixing axle (4)
Portion is provided with the protrusion along the sealed body (2) axis direction；
One end close to the fixing axle (4) of the upper float (3) offers the groove to match with the protrusion, it is described on
Floating body (3) is slided up and down by the groove to be set in the protrusion.
3. helicopter body water-proof drainage device according to claim 2, which is characterized in that further include:
Locating shaft (7), internal in the sealed body (2) along the setting of the sealed body (2) axis direction, one end end is fixed
At the top of the draining injector (5)；
The lower floating body (6) close to it is described draining injector (5) one end offer match with the locating shaft (7) it is recessed
Slot, the lower floating body (6) is slided up and down by the groove to be set on the locating shaft (7).
4. helicopter body water-proof drainage device according to claim 1, which is characterized in that the sealed body (2)
Top is provided with mounting flange, and the sealed body (2) is fixed on the bottom plate of helicopter body by the mounting flange opens
If water outlet.
5. helicopter body water-proof drainage device according to claim 1, which is characterized in that the sealed body (2)
Top is coaxially arranged with mounting ring, offers external screw thread outside the mounting ring, the sealed body (2) passes through the mounting ring spiral shell
Line is connected to the water outlet opened up on the bottom plate of helicopter body.
6. helicopter body water-proof drainage device according to claim 5, which is characterized in that the sealed body (2)
Through-hole is offered in the ring body of mounting ring, the through-hole is led close to the one side edge of the sealed body (2) and the sealing
The top surface of body (2) flushes.
7. helicopter body water-proof drainage device according to claim 4 or 5, which is characterized in that the sealed body (2)
Sealing ring (1) is provided between the bottom plate of the helicopter body.
8. helicopter body water-proof drainage device according to claim 1, which is characterized in that the draining injector (5)
On offer perforation (8).
9. helicopter body water-proof drainage device according to claim 8, which is characterized in that the perforation (8) is oblique
Hole opens up the course direction of direction and the helicopter in predetermined angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821845312.2U CN209650523U (en) | 2018-11-09 | 2018-11-09 | A kind of helicopter body water-proof drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821845312.2U CN209650523U (en) | 2018-11-09 | 2018-11-09 | A kind of helicopter body water-proof drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209650523U true CN209650523U (en) | 2019-11-19 |
Family
ID=68506390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821845312.2U Active CN209650523U (en) | 2018-11-09 | 2018-11-09 | A kind of helicopter body water-proof drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209650523U (en) |
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2018
- 2018-11-09 CN CN201821845312.2U patent/CN209650523U/en active Active
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