CN105836137B - Helicopter cabin ventilation mouths - Google Patents
Helicopter cabin ventilation mouths Download PDFInfo
- Publication number
- CN105836137B CN105836137B CN201610185083.5A CN201610185083A CN105836137B CN 105836137 B CN105836137 B CN 105836137B CN 201610185083 A CN201610185083 A CN 201610185083A CN 105836137 B CN105836137 B CN 105836137B
- Authority
- CN
- China
- Prior art keywords
- cowling
- sliding sleeve
- major axis
- spring
- spherical cylinder
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
- B64D2013/003—Cabin ventilation nozzles
Abstract
The present invention discloses a kind of helicopter cabin ventilation mouths.It includes sliding sleeve, is cased with having upper, lower horizontal respectively to bulge loop on spherical cylinder, spherical cylinder upper and lower end inwall on sliding sleeve is cylindrical, the medial surface top of upper horizontal bulge loop, which has in circumferential slot, circumferential slot, snap ring.Lower horizontal bulge loop is stuck under step.There is buckle snap ring middle.There is cowling in sliding sleeve.There is major axis above cowling, major axis lower end is obliquely fixed on the center of cowling, and major axis upper end extends below buckle through buckle.Have to have in circumferential recess, circumferential recess on fixed seat, fixed seat medial surface on the outside of spherical cylinder and have spring.It is characterized in that the spring is evenly equipped with bent radial point along its circumference so that contacted between spring and the outer surface of spherical cylinder in.This ventilation mouths, use laborsaving, maintenance rate.Suitable on helicopter.
Description
Technical field
The present invention relates to a kind of ventilation mouths.Specifically, it is the ventilation mouths of the air-supply into the cabin of aircraft, is particularly suitable for use in
On helicopter, it can also be used in the cabin of automobile bodies or steamer.
Background technology
Both known about in aircraft, steamer or railway car manufacture field, to ensure that occupant can breathe fresh air, the machine of aircraft
Ventilation mouths are equipped with the cabin in cabin, automobile bodies or steamer.At present, in the cabin of the cabin of aircraft, automobile bodies or steamer
The ventilation mouths used are all traditional products, and this traditional ventilation mouths include sliding sleeve, and the sliding sleeve is cylindrical shape, and its underpart is one section small
In top, to form circumferential step on one section of the bottom close to lower end is cylindrical.Sliding sleeve it is cylindrical on be cased with spherical cylinder, it is spherical
There are upper horizontal bulge loop and lower horizontal bulge loop respectively on the top and bottom inwall of cylinder, circumference is arranged at the medial surface top of upper horizontal bulge loop
There is snap ring in groove, circumferential slot.Lower horizontal bulge loop is stuck under the step.The snap ring is formed with steel bar bending, its two ends
Between have gap, there is the interior convex bending section as buckle the centre between its two ends.There are cowling, the connection of cowling surrounding in sliding sleeve
In that section of sliding sleeve inner circle between circumferential step and its upper end.There is major axis above cowling, major axis lower end is fixed on cowling
Center and make have angle between the axial direction of major axis and the upper surface of cowling, major axis upper end penetrates buckle below buckle and makes major axis
Upper end extends.Spherical cylinder it is cylindrical on have fixed seat, the fixed seat be ring-type, its medial surface be sphere and with spherical cylinder
It is in be slidably matched between outer surface.Having on the medial surface of fixed seat in circumferential recess, circumferential recess has spring.Spring therein
For circular arc, under installment state, it is in contact between the concave surface of this spring and the outer surface of spherical cylinder.Due to this spring
It is in contact between concave surface and the outer surface of spherical cylinder, contact surface is big, frictional force is big, fragile, maintenance rate is high.Again due to this spring
It is in contact, torsional moment is difficult to control to, uses relatively elaborate between the concave surface of bar and the outer surface of spherical cylinder.
The content of the invention
The problem to be solved in the present invention is to provide a kind of helicopter cabin ventilation mouths.This ventilation mouths, use province
Power, maintenance rate.
The invention solves the problems that above mentioned problem realized by following technical scheme：
The helicopter cabin of present invention ventilation mouths include sliding sleeve, and the sliding sleeve is cylindrical shape, and one section of its underpart diameter is small
To its upper, to form circumferential step on one section of the bottom close to lower end is cylindrical.Sliding sleeve it is cylindrical on be cased with spherical cylinder, ball
There are upper horizontal bulge loop and lower horizontal bulge loop respectively on the top and bottom inwall of shape cylinder, week is arranged at the medial surface top of upper horizontal bulge loop
To groove, there is snap ring in circumferential slot.Lower horizontal bulge loop is stuck under the step.The snap ring is formed with steel bar bending, and it two
There is gap between end, there is the interior convex bending section as buckle its middle.There is cowling in sliding sleeve, the cowling is located at circumferential
In that section of sliding sleeve between step and its upper end, bearing pin, two are connected between the relative both sides of cowling and the jacket wall of corresponding sliding sleeve
Bearing pin is located on same diameter line so that cowling can rotate an angle around two bearing pins.There are major axis, major axis above cowling
Lower end is fixed on the center of cowling and makes have angle between the axial direction of major axis and the upper surface of cowling, and major axis upper end is under buckle
Side penetrates buckle and major axis upper end is extended.There is fixed seat on the outside of spherical cylinder, the fixed seat is ring-type, its medial surface is
Sphere and between the outer surface of spherical cylinder in being slidably matched.Having on the medial surface of fixed seat in circumferential recess, circumferential recess has bullet
Spring bar.It is characterized in that the spring is evenly equipped with bent radial point along its circumference so that between the outer surface of spring and spherical cylinder
In a contact.
Further improvement of the present invention scheme is that major axis is cased with sheath with described one end being clasped.
As can be seen from the above scheme, because the spring along its circumference is evenly equipped with bent radial point so that spring
Contacted between the outer surface of spherical cylinder in, greatly reduce the contact area between the outer surface of spring and spherical cylinder.Due to
Contact area between the outer surface of spring and spherical cylinder is small, so that the frictional force between reducing the two so that spring is difficult
Damage, maintenance rate reduction.Again because the present invention becomes traditional face contact for point contact so that torsional moment is easily controlled, using
Come than relatively labor-saving.
Brief description of the drawings
Fig. 1 is the helicopter cabin ventilation mouths structural representation of the present invention；
Fig. 2 is Fig. 1 schematic top plan view;
Fig. 3 is to remove the A-A schematic cross-sectional views after sliding sleeve, snap ring, major axis and cowling in Fig. 1.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, helicopter cabin of the invention ventilation mouths include sliding sleeve 1, and the sliding sleeve 1 is cylinder
Shape, one section of its underpart diameter is small to its upper, so as to form a circumferential step 12 on one section of the bottom close to lower end is cylindrical.
Sliding sleeve 1 it is cylindrical on be cased with being machined with horizontal bulge loop 4 and lower horizontal stroke respectively on spherical cylinder 2, the top and bottom inwall of spherical cylinder 2
To bulge loop 13, the medial surface top of upper horizontal bulge loop 4, which is machined with circumferential slot, circumferential slot, is provided with snap ring 6.Lower horizontal bulge loop 13
It is stuck under the circumferential step 12.The snap ring 6 is formed with steel bar bending, leaves gap between its two ends, its middle adds
Work has the interior convex bending section as buckle 8.Cowling 5 is provided with sliding sleeve 1,
The cowling 5 is located in that section of sliding sleeve 1 between circumferential step 12 and its upper end, the relative both sides of cowling 5 and
Bearing pin 3 is connected between the jacket wall of corresponding sliding sleeve 1, two bearing pins 3 are located on same diameter line so that cowling 5 can be around two pins
Axle 3 rotates an angle.Cowling 5 is provided with major axis 7 above, and the lower end of major axis 7 is fixed on the center of cowling 5 and makes major axis 7
Axial direction and cowling 5 upper surface between formed and sheath 9 be cased with required angle, one section of 7 upper end of major axis and from the lower section of buckle 8
Penetrate buckle 8 and the upper end of major axis 7 is extended.Hand pinches the lower extending end of sliding sleeve 1 and rotates an angle, can drive cowling 5
An angle is rotated around two bearing pins 3, the open degree of cowling 5 is realized with this, so as to realize the size adjustment of air output.
The outside of spherical cylinder 2 is provided with fixed seat 10, the fixed seat be ring-type, its medial surface be sphere and with spherical cylinder 2
Outer surface between in being slidably matched.It is machined with the medial surface of fixed seat 10 in circumferential recess, circumferential recess and spring is installed
11, the spring 11 is circumferential uniform along it, and is machined with bent radial point in the circumference of spring 11 so that spring 11 with
In point contact between the outer surface of spherical cylinder 2, the contact area between the outer surface of spring 11 and spherical cylinder 2 is greatly reduced, is dropped
Low frictional force between the two.
For one end abrasion for avoiding major axis 7 from coordinating with the buckle 8, the one end coordinated in major axis 7 with the buckle 8 is cased with
Sheath 9.
To reduce the friction of spring 11 and spherical cylinder 2, extend the service life of spring 11, the spring 11 with
Sealing strip 111 is provided between the outer surface of spherical cylinder 2.
Claims (3)
1. helicopter cabin ventilation mouths, including sliding sleeve（1）, the sliding sleeve（1）For cylindrical shape, one section of its underpart diameter is less than it
Top, to form circumferential step on one section of the bottom close to lower end is cylindrical（12）；Sliding sleeve（1）It is cylindrical on be cased with spherical cylinder
（2）, spherical cylinder（2）Top and bottom inwall on have upper horizontal bulge loop respectively（4）With lower horizontal bulge loop（13）, upper horizontal bulge loop
（4）Medial surface top have in circumferential slot, circumferential slot and have snap ring（6）；Lower horizontal bulge loop（13）It is stuck in circumferential step（12）Under；
The snap ring（6）It is to be formed with steel bar bending, its two ends Jian You gaps, its middle has as buckle（8）Interior convex bending
Portion；Sliding sleeve（1）Inside there is cowling（5）, the cowling（5）Positioned at circumferential step（12）That section of sliding sleeve between its upper end（1）
It is interior, cowling（5）Relative both sides and corresponding sliding sleeve（1）Jacket wall between be connected with bearing pin（3）, two bearing pins（3）Positioned at same
On diameter line so that cowling（5）An angle can be rotated around two bearing pins；Cowling（5）There is major axis above（7）, major axis（7）
Lower end is fixed on cowling（5）Center and make major axis（7）Axial direction and cowling（5）Upper surface between have angle, major axis（7）
Upper end is from buckle（8）Lower section penetrates buckle（8）And make major axis（7）Upper end extends；Spherical cylinder（2）Outside have fixed seat
（10）, the fixed seat be ring-type, its medial surface be sphere and with spherical cylinder（2）Outer surface between in being slidably matched；Fixed seat
（10）Medial surface on have in circumferential recess, circumferential recess and have spring（11）；It is characterized in that the spring（11）Along it
Circumferentially it is evenly equipped with bent radial point so that spring（11）With spherical cylinder（2）Outer surface between in point contact.
2. helicopter cabin ventilation mouths according to claim 1, it is characterised in that major axis（7）With the buckle（8）Match somebody with somebody
One end of conjunction is cased with sheath（9）.
3. helicopter cabin ventilation mouths according to claim 1, it is characterised in that the spring（11）With spherical cylinder
（2）Outer surface between have sealing strip（111）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185083.5A CN105836137B (en) | 2016-03-29 | 2016-03-29 | Helicopter cabin ventilation mouths |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185083.5A CN105836137B (en) | 2016-03-29 | 2016-03-29 | Helicopter cabin ventilation mouths |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105836137A CN105836137A (en) | 2016-08-10 |
| CN105836137B true CN105836137B (en) | 2017-11-07 |
Family
ID=56584123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610185083.5A Active CN105836137B (en) | 2016-03-29 | 2016-03-29 | Helicopter cabin ventilation mouths |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105836137B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1559648A2 (en) * | 2001-01-11 | 2005-08-03 | Goodrich Hella Aerospace Lighting Systems GmbH | Air outlet device for a vehicle, in particular for an aircraft |
| US7014557B2 (en) * | 2003-07-23 | 2006-03-21 | Goodrich Hella Aerospace Lighting Systems Gmbh | Outlet device for the interior of a vehicle |
| DE102012017189A1 (en) * | 2012-08-30 | 2014-03-06 | Airbus Operations Gmbh | Air nozzle of air nozzle arrangement for use in ventilation system of aircraft, has actuator that is coupled to closure element by displacement of actuator in direction of longitudinal axis of housing between operating positions |
| CN204078060U (en) * | 2014-07-22 | 2015-01-07 | 江苏兆胜空调有限公司 | A kind of watercraft engine room inductive ventilation system |
| CN205574285U (en) * | 2016-03-29 | 2016-09-14 | 江苏恒铭达航空设备有限公司 | Ventilation nozzle is used in helicopter cabin |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6955592B2 (en) * | 2002-03-22 | 2005-10-18 | Goodrich Hella Aerospace Lighting Systems Gmbh | Air outlet device for vehicles, in particular airplanes, and method for assembling such an air outlet device |
| DE102005039236B4 (en) * | 2005-08-19 | 2010-07-29 | Dae Systems Gmbh | Air outlet guide |
-
2016
- 2016-03-29 CN CN201610185083.5A patent/CN105836137B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1559648A2 (en) * | 2001-01-11 | 2005-08-03 | Goodrich Hella Aerospace Lighting Systems GmbH | Air outlet device for a vehicle, in particular for an aircraft |
| US7014557B2 (en) * | 2003-07-23 | 2006-03-21 | Goodrich Hella Aerospace Lighting Systems Gmbh | Outlet device for the interior of a vehicle |
| DE102012017189A1 (en) * | 2012-08-30 | 2014-03-06 | Airbus Operations Gmbh | Air nozzle of air nozzle arrangement for use in ventilation system of aircraft, has actuator that is coupled to closure element by displacement of actuator in direction of longitudinal axis of housing between operating positions |
| CN204078060U (en) * | 2014-07-22 | 2015-01-07 | 江苏兆胜空调有限公司 | A kind of watercraft engine room inductive ventilation system |
| CN205574285U (en) * | 2016-03-29 | 2016-09-14 | 江苏恒铭达航空设备有限公司 | Ventilation nozzle is used in helicopter cabin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105836137A (en) | 2016-08-10 |
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