CN215436953U - Ventilation nozzle without condensed water - Google Patents
Ventilation nozzle without condensed water Download PDFInfo
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- CN215436953U CN215436953U CN202122284813.6U CN202122284813U CN215436953U CN 215436953 U CN215436953 U CN 215436953U CN 202122284813 U CN202122284813 U CN 202122284813U CN 215436953 U CN215436953 U CN 215436953U
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- fan blade
- ventilation nozzle
- cover
- rotating shaft
- upper fan
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Abstract
The utility model discloses a condensate-free ventilation nozzle which comprises a shell, a cover sleeve, a rotary hinge, a ventilation nozzle, a lower fan blade, an upper fan blade, a mounting plate, a clamping frame, a damping ball, a spring, an upper rotating shaft, a lower rotating shaft and a connecting rod, wherein the cover sleeve is arranged in the shell. According to the utility model, the upper fan blade, the lower fan blade, the upper rotating shaft, the lower rotating shaft, the connecting rod and the mounting plate are matched for use, so that the upper fan blade and the lower fan blade can have a linkage function, the upper fan blade can rotate around a shaft by pressing the upper fan blade, the upper fan blade and the lower fan blade are connected through the connecting rod to form a parallelogram rocker mechanism, when the upper fan blade rotates, the lower fan blade can be driven to rotate in a linkage manner, an air outlet can be opened and closed, when the upper fan blade and the lower fan blade rotate to 90 degrees, the upper fan blade and the lower fan blade are limited to rotate continuously due to interference between the connecting rod and the lower fan blade, the operation is simple, the traditional single adjusting mode is changed, and the ventilation nozzle is convenient to adjust.
Description
Technical Field
The utility model relates to the technical field of ventilation nozzles, in particular to a ventilation nozzle without condensed water.
Background
The ventilation nozzle is a part of an environmental control system and is arranged at the concave parts at the two sides outside a light shield of the helicopter. The main function of the ventilating nozzle is to adjust the size and direction of the air flow.
The prior art has the following problems:
the existing ventilation nozzle without condensed water generally does not bear high-temperature gas, so that the service life of the existing ventilation nozzle can be indirectly shortened.
We have therefore proposed a non-condensing ventilation nozzle that addresses the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, the existing ventilating nozzle without condensed water generally does not bear high-temperature gas, so that the service life of the ventilating nozzle can be indirectly shortened, and the upper fan blade and the lower fan blade at the port of the existing ventilating nozzle do not have a linkage function, so that the upper fan blade and the lower fan blade need to be independently adjusted during adjustment and are inconvenient to use.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a ventilation nozzle of no comdenstion water, includes casing, cover, commentaries on classics hinge, ventilating nozzle, lower fan blade, goes up fan blade, mounting panel, card frame, damping ball, spring, goes up the pivot, pivot and connecting rod down, the inside cover that is provided with of casing, cover outside surface is provided with the external screw thread, the internal thread has been seted up on shells inner wall surface, cover and casing threaded connection, the cover inboard is provided with the commentaries on classics hinge.
Preferably, the mounting panel is installed to the pivot inner wall symmetry, there is last fan blade mounting panel surface top through last pivot swing joint, fan blade under the mounting panel surface through pivot swing joint down, it passes through the connecting rod with lower fan blade to go up the fan blade and connects.
Preferably, the cover sleeve surface is provided with the card frame, cover sleeve one end is provided with the damping ball, the spring is installed to damping ball one side.
Preferably, the shell, the cover sleeve, the rotary hinge, the upper fan blade and the lower fan blade are all made of polyamide materials.
Preferably, the cover sleeve is coaxially assembled with the rotary hinge.
Preferably, the card frame and the spring are both made of Sux 304.
Compared with the prior art, the utility model has the beneficial effects that;
(1) the upper fan blade and the lower fan blade can have a linkage function by arranging the upper fan blade, the lower fan blade, the upper rotating shaft, the lower rotating shaft, the connecting rod and the mounting plate in a matched manner, the upper fan blade and the lower fan blade can rotate around a shaft by pressing the upper fan blade, the upper fan blade and the lower fan blade are connected through the connecting rod to form a parallelogram rocker mechanism, when the upper fan blade rotates, the lower fan blade can be driven to rotate in a linkage manner, an air outlet can be opened and closed, when the upper fan blade and the lower fan blade rotate to 90 degrees, the upper fan blade and the lower fan blade are limited to rotate continuously due to interference between the connecting rod and the lower fan blade, the operation is simple, the traditional single adjustment mode is changed, the ventilation nozzle is convenient to adjust, the rotating hinge and the cover sleeve are coaxially assembled, the cover sleeve is connected with the shell through threads and is fixed on the shading cover, the ventilation nozzle can rotate 360 degrees by rotating the fan blades, finally, the shell, the cover sleeve, the rotary hinge, the upper fan blade and the lower fan blade are made of polyamide materials, and the materials have the functions of high temperature resistance (can be used at the temperature of more than 150 ℃), corrosion resistance, friction reduction and self lubrication, and meanwhile, the service life of the materials is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below.
FIG. 1 is a schematic view of a non-condensing air nozzle according to the present invention;
FIG. 2 is a schematic view of a non-condensing venting nozzle cover according to the present invention;
fig. 3 is a schematic view of a connection rod of a ventilation nozzle without condensed water according to the present invention.
Illustration of the drawings:
1. a housing; 2. covering the cover; 3. hinging; 4. a lower rotating shaft; 5. a lower fan blade; 6. a fan blade is arranged; 7. mounting a plate; 8. clamping a frame; 9. a damping ball; 10. a spring; 11. an upper rotating shaft; 12. a connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1-3, a ventilation nozzle without condensed water comprises a housing 1, a cover sleeve 2, a rotary hinge 3, a ventilation nozzle, a lower fan blade 5, an upper fan blade 6, a mounting plate 7, a clamping frame 8, a damping ball 9, a spring 10, an upper rotating shaft 11, a lower rotating shaft 4 and a connecting rod 12, a cover sleeve 2 is arranged in the shell 1, external threads are arranged on the outer side surface of the cover sleeve 2, internal threads are arranged on the inner wall surface of the shell 1, the cover sleeve 2 is in threaded connection with the shell 1, a rotary hinge 3 is arranged on the inner side of the cover sleeve 2, the cover sleeve 2 and the rotary hinge 3 are coaxially assembled, the inner wall of the rotary hinge 3 is symmetrically provided with a mounting plate 7, the upper part of the surface of the mounting plate 7 is movably connected with an upper fan blade 6 through an upper rotating shaft 11, the lower part of the surface of the mounting plate 7 is movably connected with a lower fan blade 5 through a lower rotating shaft 4, and the upper fan blade 6 is connected with the lower fan blade 5 through a connecting rod 12.
In this embodiment: the upper fan blade 6 and the lower fan blade 5 can have a linkage function by arranging the upper fan blade 6, the lower fan blade 5, the upper rotating shaft 11, the lower rotating shaft 4, the connecting rod 12 and the mounting plate 7 for matching use, and by pressing the upper fan blade, the upper wind plate 6 can rotate around the shaft, the upper wind plate 5 and the lower wind plate 5 are connected through a connecting rod to form a parallelogram rocker mechanism, when the upper wind plate 6 rotates, the lower wind plate 5 can be driven to rotate in a linkage manner, the air outlet can be opened and closed, when the upper wind plate 5 and the lower wind plate 6 rotate to 90 degrees, because the connecting rod and the lower wind blade 6 form interference, the upper wind blade 5 and the lower wind blade 5 are limited to continue rotating, the mode has simple operation, changes the traditional single adjusting mode, is convenient for adjusting the ventilation nozzle, then, the rotary hinge 3 and the cover sleeve 2 are coaxially assembled, the cover sleeve 2 is connected with the shell 1 through threads and fixed on the light shield, and the ventilation nozzle can rotate 360 degrees through rotating the wind blades.
Specifically, 2 surfaces of cover are provided with card frame 8, 2 one end of cover is provided with damping ball 9, spring 10 is installed to damping ball 9 one side, casing 1, cover 2, commentaries on classics hinge 3, upward fan blade 6, lower fan blade 5 are all made by the polyamide material, card frame 8 and spring 10 are all made by Sux 304.
In this embodiment: the shell 1, the cover sleeve 2, the rotary hinge 3, the upper fan blade 6 and the lower fan blade 5 are made of polyamide materials, the materials have high temperature resistance (can be used at the temperature of more than 150 ℃), corrosion resistance, antifriction and self-lubricating functions, the heat conductivity of the polyamide is low, and whether condensed water is generated or not can be theoretically calculated according to related knowledge of thermal engineering.
The calculation is as follows:
calculating the outer wall temperature t of the ventilation nozzle in the thermal steady statew1
Setting the temperature t in the cabinf1Temperature t of outer wall surface of ventilation nozzlew1Wall thickness delta of air outlet of ventilation nozzle, temperature t of inner wall of ventilation nozzlew2Temperature t in the ventilating nozzlef2Thermal conductivity of the material of the ventilation nozzle lambda, outside convection heat transfer coefficient a1Inside convection heat transfer coefficient a2Heat flux density ρ.
When the system reaches a thermal steady state, the heat transfer convection of the hot fluid to the inner wall of the tube is equal to the heat transfer through the tube wall and the heat transfer convection of the inner wall of the inner tube to the cold fluid.
The outside wall temperature of the ventilation nozzle
In the formula: d1＝50mm d2＝30mm a1＝12w/(m2·℃) a2＝25w/(m2·℃)
λ＝0.25w/(m·℃) tf1＝30℃ tf2＝15℃
Through calculation: t is tw1＝29.97℃
Calculating the dew point temperature t in the cabino
The known conditions are: the relative humidity g is 0.8 at 30 deg.C in the cabin
The pressure of saturated water vapor in air at 30 ℃ is p2＝0.04
When P isoSaturated water vapour of 0.9X 0.04 or 0.036, and the temp. t is obtained by examining the data of "thermodynamicso＝27℃。
tw1≥to
By the above theoretical calculation, no condensation water is produced on the outside of the ventilation nozzle.
The working principle is as follows: the upper fan blade 6 and the lower fan blade 5 can have a linkage function by arranging the upper fan blade 6, the lower fan blade 5, the upper rotating shaft 11, the lower rotating shaft 4, the connecting rod 12 and the mounting plate 7 in a matched mode, the upper fan blade 6 and the lower fan blade 5 can rotate around the shaft by pressing the upper fan blade, the upper fan blade 6 and the lower fan blade 5 are connected through the connecting rod to form a parallelogram rocker mechanism, when the upper fan blade 6 rotates, the lower fan blade 5 can be driven to rotate in a linkage mode to open and close an air outlet, when the upper fan blade 5 and the lower fan blade 6 rotate to 90 degrees, the upper fan blade 5 and the lower fan blade 5 are limited to rotate continuously due to interference between the connecting rod and the lower fan blade 6, the mode is simple to operate, the traditional single adjusting mode is changed, the ventilation nozzle can be conveniently adjusted, then the rotating hinge 3 and the cover sleeve 2 are coaxially assembled, the cover sleeve 2 and the shell 1 are connected through threads and fixed on the shading cover, the ventilation nozzle can rotate 360 degrees through rotating the fan blade, finally, the shell 1, the cover sleeve 2, the rotary hinge 3, the upper fan blade 6 and the lower fan blade 5 are made of polyamide materials, and the materials have high temperature resistance (can be used at the temperature of more than 150 ℃), corrosion resistance, antifriction and self-lubricating effects, and meanwhile, the service life of the materials is prolonged.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. The utility model provides a ventilation nozzle of no comdenstion water, includes casing (1), cover (2), changes hinge (3), ventilation nozzle, leeward leaf (5), windward leaf (6), mounting panel (7), card frame (8), damping ball (9), spring (10), last pivot (11), lower pivot (4) and connecting rod (12), its characterized in that, casing (1) inside is provided with cover (2), cover (2) outside surface is provided with the external screw thread, casing (1) inner wall surface is seted up there is the internal thread, cover (2) and casing (1) threaded connection, cover (2) inboard is provided with changes hinge (3).
2. The ventilation nozzle without condensed water as claimed in claim 1, wherein the inner wall of the hinge (3) is symmetrically provided with mounting plates (7), the upper part of the surface of the mounting plate (7) is movably connected with upper fan blades (6) through an upper rotating shaft (11), the lower part of the surface of the mounting plate (7) is movably connected with lower fan blades (5) through a lower rotating shaft (4), and the upper fan blades (6) and the lower fan blades (5) are connected through connecting rods (12).
3. The ventilation nozzle without condensed water as claimed in claim 1, wherein the cover sleeve (2) is provided with a clamping frame (8) on the surface, one end of the cover sleeve (2) is provided with a damping ball (9), and a spring (10) is arranged on one side of the damping ball (9).
4. A non-condensing ventilation nozzle according to claim 2, characterized by the fact that the housing (1), the cover (2), the hinge (3), the upper fan (6) and the lower fan (5) are made of polyamide.
5. A condensate-free ventilation nozzle as claimed in claim 1, characterized in that the cover sleeve (2) is fitted coaxially with the hinge (3).
6. A non-condensing ventilation nozzle according to claim 3, characterized by the fact that the clamping frame (8) and the spring (10) are both made of Sux 304.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122284813.6U CN215436953U (en) | 2021-09-22 | 2021-09-22 | Ventilation nozzle without condensed water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122284813.6U CN215436953U (en) | 2021-09-22 | 2021-09-22 | Ventilation nozzle without condensed water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215436953U true CN215436953U (en) | 2022-01-07 |
Family
ID=79700001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122284813.6U Active CN215436953U (en) | 2021-09-22 | 2021-09-22 | Ventilation nozzle without condensed water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215436953U (en) |
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2021
- 2021-09-22 CN CN202122284813.6U patent/CN215436953U/en active Active
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