CN113212769A - One-control-two air door control mechanism and application thereof - Google Patents
One-control-two air door control mechanism and application thereof Download PDFInfo
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- CN113212769A CN113212769A CN202110622079.1A CN202110622079A CN113212769A CN 113212769 A CN113212769 A CN 113212769A CN 202110622079 A CN202110622079 A CN 202110622079A CN 113212769 A CN113212769 A CN 113212769A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims description 8
- 102000012078 E2F2 Transcription Factor Human genes 0.000 claims description 6
- 108010036466 E2F2 Transcription Factor Proteins 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 230000014509 gene expression Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000011900 installation process Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D29/00—Power-plant nacelles, fairings, or cowlings
- B64D29/06—Attaching of nacelles, fairings or cowlings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/08—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of power plant cooling systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2050/00—Applications
- F01P2050/20—Aircraft engines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to a one-control-two air door control mechanism and application thereof, comprising a steering engine, a steering engine rocker arm, an arm seat assembly, a rotating shaft connecting rod, a first combined connecting rod and a second combined connecting rod; the outer end of the steering engine rocker arm is hinged with the rotating shaft connecting rod through the connecting rod, the steering engine rocker arm is sequentially driven to swing and move through the steering engine, then the rotating shaft connecting rod is driven to rotate, then the first combined connecting rod and the second combined connecting rod on two sides are driven to move through two ends of the rotating shaft connecting rod, and finally opening and closing state control of the air duct doors on two sides is achieved. The control mode that the traditional steering engine air door is controlled by one is broken, and the two air channel doors are simultaneously controlled by one steering engine through the structural function, so that the two air channel doors can synchronously work. The design of pivot connecting rod and support arm seat subassembly directly decomposes the motion of steering wheel support arm on first combination connecting rod and the second combination connecting rod, and the steering wheel rocking arm will directly drive the combination connecting rod and produce the motion, promotes the wind channel door and realizes opening and shutting.
Description
Technical Field
The invention belongs to the field of unmanned aerial vehicles, and particularly relates to a one-control-two air door control mechanism and application thereof.
Background
With the proposal of unmanned combat, the recent development of unmanned aerial vehicles is as daily as well as applied to the aspects of army combat, reconnaissance and the like and the industries of civil plant protection, security and the like, and the unmanned aerial vehicles attract the focus of each line by virtue of the unique advantages of the unmanned aerial vehicles. Unmanned aerial vehicles with excellent performance have been the most popular, and therefore, safety, economy, reliability and use requirements become the greatest challenges in unmanned aerial vehicle design.
The unmanned aerial vehicle is at the flight in-process, provides the required power of flight to it by the engine, and the engine provides power through gas inflation acting in the cylinder. In the running process of the engine, the temperature of the cylinder head can continuously rise, and the temperature of the cylinder head needs to be reduced through cooling, so that the normal work of the engine is ensured. For the engine cooling air duct arranged on the left and right, an air door air guide sleeve is arranged inside the engine fairing and is in butt joint with the cooling air duct. According to the demand, the opening and closing of the air passage door are controlled through the steering engine, so that the amount of gas entering the air door air guide sleeve is controlled, the cylinder head of the cylinder is cooled, and the temperature of the cylinder head reaches a safe working range.
The existing air door control mechanism is in a structural form that one air door is controlled by one steering engine, when two or even a plurality of air doors need to be controlled, more steering engines are needed to realize, extra weight and larger installation space are undoubtedly increased, and the unmanned aerial vehicle is required to be stopped in design.
Disclosure of Invention
The technical problem to be solved is as follows:
the invention provides an air door control mechanism which is simple to operate and high in reliability and synchronously controls the opening and closing of air passage doors at the left side and the right side of a steering engine aiming at the symmetrical arrangement of cooling air passages of an engine in order to cool a cylinder head of an engine cylinder by controlling the amount of gas entering an air door flow guide cover of an engine fairing.
The technical scheme of the invention is as follows: a one-control-two air door control mechanism comprises a steering engine and a steering engine rocker arm, wherein the steering engine is arranged on the surface of an engine mounting frame through a steering engine bracket, and an output shaft of the steering engine rocker arm drives the steering engine rocker arm to swing; the method is characterized in that: the rocker arm seat assembly comprises a rocker arm seat, a rotating shaft connecting rod, a first combined connecting rod and a second combined connecting rod; the rocker arm seat assembly is fixed on the engine mounting frame and positioned between the air duct doors on the two sides, and the rocker arm seat assembly is axially vertical to an output shaft of the steering engine; the center position of the rotating shaft connecting rod is rotatably connected with the top end of the rocker arm seat assembly and can rotate around the central shaft of the rocker arm seat assembly; two ends of the rotating shaft connecting rod are respectively connected with the joints of the air duct doors at two sides through a first combined connecting rod and a second combined connecting rod;
the outer end of the steering engine rocker arm is hinged with the rotating shaft connecting rod through the connecting rod, the steering engine rocker arm is sequentially driven to swing and move through the steering engine, then the rotating shaft connecting rod is driven to rotate, the first combined connecting rod and the second combined connecting rod on two sides are driven to move by two ends of the rotating shaft connecting rod, and finally opening and closing state control of the air duct doors on two sides is achieved.
The further technical scheme of the invention is as follows: the rotating shaft connecting rod is a bent connecting rod with a symmetrical structure, and the bent part at the middle part forms an obtuse angle.
The further technical scheme of the invention is as follows: the heights of the positions of the two ends of the rotating shaft connecting rod are consistent with the height of the air duct door joint, so that the first connecting rod and the second connecting rod move on the same height plane.
The further technical scheme of the invention is as follows: the connecting rod is articulated with the rotating shaft connecting rod through the adapter, so that when the steering engine is in a +/-20-degree limit deflection position, the rotating shaft connecting rod is pushed to move through the adapter, and the air duct door can be just in a fully-opened state and a fully-closed state.
The further technical scheme of the invention is as follows: the deflection angle of the steering engine rocker arm is +/-20 degrees, and when the steering engine rocker arm deflects 20 degrees, 0 degrees and-20 degrees respectively, the first combination connecting rod and the second combination connecting rod on the two sides are driven to move through the connecting rod and the rotating shaft connecting rod, so that the air duct doors on the left side and the right side can be in a full-open state, a half-open state and a closed state respectively and simultaneously.
The further technical scheme of the invention is as follows: the first combined connecting rod comprises a first connecting rod and a first connecting joint, and the first connecting rod is a straight rod; one end of the first connecting joint is provided with a through hole for mounting a bearing, and the other end of the first connecting joint is provided with a threaded rod which is axially vertical to the through hole; the two first connecting joints are in threaded connection with threaded sleeves at two ends of the first connecting rod through threaded rods; a bearing hole of a first connecting joint at one end of the first combined connecting rod is connected with the end of the rotating shaft connecting rod through a pin, and a bearing hole of a first connecting joint at the other end of the first combined connecting rod is connected with a joint of the air duct door through a pin;
the structure and the connection mode of the second combined connecting rod and the first combined connecting rod are the same.
The further technical scheme of the invention is as follows: through holes are formed in two end heads of the rotating shaft connecting rod, a joint bearing is installed in each through hole, and the inner ring of each joint bearing is in interference fit with the corresponding pin.
The further technical scheme of the invention is as follows: the joint of the air duct door can move around the air duct door rotating shaft, and the plane rotation of the rotating shaft connecting rod is converted into space motion.
The further technical scheme of the invention is as follows: the lengths of the first combined connecting rod and the second combined connecting rod are respectively C2D2 and E2F2, the projection lengths of the first combined connecting rod and the second combined connecting rod before rotation on an engine frame installation plane are respectively C1D1 and E1F1, and the expressions are as follows:
C1D1＝C2D2·cosα
E1F1＝E2F2·cosβ
where α is the deflection angle of the first combination link and β is the deflection angle of the second combination link.
An application of a one-control-two air door control mechanism as an air duct door control mechanism in an unmanned aerial vehicle.
Advantageous effects
The invention has the beneficial effects that:
1. simple structure, control effect is good: the control mode that the traditional steering engine air door is controlled by one is broken, and the two air channel doors are simultaneously controlled by one steering engine through the structural function, so that the two air channel doors can synchronously work. The design of pivot connecting rod and support arm seat subassembly directly decomposes the motion of steering wheel support arm on first combination connecting rod and the second combination connecting rod, and the steering wheel rocking arm will directly drive the combination connecting rod and produce the motion, promotes the wind channel door and realizes opening and shutting.
2. Effective weight loss, low space occupancy: the air duct doors on two sides are controlled by only one steering engine, the number of the steering engines is reduced, the operation is realized by linear connecting rods, and the occupied space is small.
3. Convenient operation, with low costs: joint bearings are used at two ends of the combined connecting rod to realize spatial rotation of the air duct door.
4. The adjustability is provided: the theoretical installation size is defined in the combined connecting rod, but the actual deviation from the theoretical installation size caused by errors in the installation process cannot be avoided, the connecting rod joint and the connecting rod in the combined connecting rod are connected through threads, and the assembling thread depth of the connecting rod joint and the connecting rod can be properly adjusted for assembling.
Drawings
FIG. 1 is a schematic view of a prior art damper operating mechanism;
FIG. 2 is a schematic diagram of the steering engine motion theory of the present invention;
FIG. 3 is a schematic view of the kinematic theory of the steering linkage of the present invention;
FIG. 4 is a front view of the structure of the present invention;
fig. 5 is a left side view of the inventive structure.
Description of reference numerals: 1-steering wheel support, 2-steering wheel, 3-steering wheel rocking arm, 4-connecting rod, 5-first combination connecting rod, 6-second combination connecting rod, 7-rocking arm seat subassembly, 8-adapter, 9-pivot connecting rod, 10-pin, 11-first connecting rod, 12-second connecting rod, 13-connecting rod connect.
Detailed Description
The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Referring to fig. 1-4, the one-control-two air door control mechanism of the present invention includes a steering engine 2, a steering engine rocker arm 3, a rocker arm seat assembly 7, a rotating shaft connecting rod 9, a connecting rod 4, a first combination connecting rod 5 and a second combination connecting rod 6; the steering engine 3 is arranged on the surface of the engine mounting frame through the steering engine bracket 1, and an output shaft of the steering engine drives the steering engine rocker arm 3 to swing; the rocker arm seat assembly 7 is a rocker arm seat with threads, is connected to the engine mounting frame through a spring flat pad, is positioned between the air duct doors at the two sides, and is axially vertical to the output shaft of the steering engine 2; the center position of the rotating shaft connecting rod 9 is rotationally connected with the top end of the rocker arm seat assembly 7 and can rotate around the central shaft of the rocker arm seat assembly 7; two ends of the rotating shaft connecting rod 9 are respectively connected with joints of the air duct doors at two sides through a first combined connecting rod 5 and a second combined connecting rod 6; the connecting rod 4 is hinged with a rotating shaft connecting rod 9 through a joint 8.
The outer end of the steering engine rocker arm 3 is hinged to the rotating shaft connecting rod 9 through the connecting rod 4, the steering engine rocker arm 3 and the connecting rod 4 are sequentially driven to move through the steering engine 2, the rotating shaft connecting rod 9 is driven to rotate, then the first combined connecting rod 5 and the second combined connecting rod 6 on two sides are driven to move by two ends of the rotating shaft connecting rod 9, and finally opening and closing state control of air passage doors on two sides is achieved.
The deflection angle of the steering engine rocker arm 3 is +/-20 degrees, and in the flight process of the unmanned aerial vehicle, three types of instructions are generally required to be sent to the air duct door for control: full open door, half open door and close the air door. Therefore, when the steering engine connecting rod deflects 20 degrees, 0 degrees and 20 degrees, the connecting rod 4 can simultaneously drive the first combination connecting rod 5 and the second combination connecting rod 6 to move, so that the air duct doors on the left side and the right side can be in a full-open, half-open and closed state at the same time. When the air duct door joint moves around the air duct door rotating shaft, the plane rotation of the rotating shaft assembly 9 is converted into space movement, and the space movement is realized through the joint bearings at the two ends of the combined connecting rod. Finally, the temperature of the cylinder head of the air cylinder is reduced by controlling the air inflow amount of the two air passage doors simultaneously by one steering engine.
The first combined connecting rod 5 comprises a first connecting rod 11 and a first connecting joint, and the first connecting rod 11 is a straight rod; one end of the first connecting joint is provided with a through hole for mounting a bearing, and the other end of the first connecting joint is provided with a threaded rod which is axially vertical to the through hole; the two first connecting joints are in threaded connection with threaded sleeves at two ends of the first connecting rod 11 through threaded rods; a bearing hole of a first connecting joint at one end of the first combined connecting rod is connected with the end of the rotating shaft connecting rod through a pin, and a bearing hole of a first connecting joint at the other end of the first combined connecting rod is connected with a joint of the air duct door through a pin; the second compound link 6 is identical in structure and connection to the first compound link 5.
The rotating shaft connecting rod 9 is a bent connecting rod forming an obtuse angle, and the heights of the two ends of the rotating shaft connecting rod are consistent with the height of the air duct door joint, so that the first connecting rod and the second connecting rod can move on the same height plane when the rotating shaft connecting rod moves; through holes are formed in two end parts of the rotating shaft connecting rod 9, joint bearings are installed in the through holes, inner rings of the joint bearings are in interference fit with the pins, the smooth state can be kept in the whole moving process, and clamping stagnation cannot be caused.
The connecting rod is articulated with the rotating shaft connecting rod 9 through the adapter 8, and the rotating shaft connecting rod is pushed to move through the adapter when the steering engine is in a +/-20-degree limit deflection position, so that the air duct door is just in a fully-opened state and a fully-closed state.
As shown in figure 2, the steering engine 2 is arranged on the surface of an engine frame through a steering engine bracket 1, the moving range of a steering engine rocker arm 3 is +/-20 degrees, namely the steering engine rocker arm can move from the position A1 to the position A3, and A2 is the neutral position deflected by 0 degrees. The rocker arm of the steering engine drives the connecting rod to move, and the corresponding positions of the connecting points of the connecting rod in a plane are B1, B2 and B3 respectively.
As shown in fig. 3, when the connection point of the connecting rod 4 moves from B1 to B3 along with the swing of the steering engine rocker arm 3, the connecting rod 4 and the rotating shaft connecting rod 9 transmit motion through the adapter 8, the point C1 of the rotating shaft connecting rod 9 moves to point C2, which drives the first connecting rod assembly 5 to move from D1 to D2, and the upper connection point F of the rotating shaft connecting rod 9 also drives the second connecting rod assembly 6 to move synchronously, so that the second connecting rod assembly 6 moves from E1 to E2, the positions of D1 and E1 correspond to the fully opened state of the air duct door, and the positions of D2 and E2 correspond to the fully closed state of the air duct door. The swinging arm 3 of the steering engine deflects from 20 degrees to-20 degrees, the first connecting rod assembly 5 and the second connecting rod assembly 6 are driven to move, and the opening and closing of the air duct door are synchronously controlled.
It should be noted that D2 and E2 are in the closed state of the duct door, and during the opening process of the duct door, the duct door will move around the rotation shaft of the duct door, the joint does not move in a pure plane, and during the spatial movement, D1 and E1 are positions projected to the plane, and because the links are rigid bodies, the length will not change, so the length relationship between them needs to satisfy:
C1D1＝C2D2·cosα
E1F1＝E2F2·cosβ
wherein C1D1, E1F1 are the length of the plane projected to the engine frame, C2D2, E2F2 are the length of the connecting rod, and alpha, beta are the deflection angles of the connecting rod 1 and the connecting rod 2 respectively. The deflection angle is realized by a joint bearing arranged in the connecting rod joint, and the matching surface of the pin part and the bearing is provided with a boss, so that the +/-20-degree deflection of the joint bearing cannot be influenced. The connecting rod joint 13 is assembled with the first connecting rod 11 and the second connecting rod 12 through threaded connection, and when the length mismatch occurs in the assembling process, the adjustment can be carried out through adjusting the assembling thread depth of the connecting rod joint 13. Through the design of these mechanisms, can realize the synchro control of a steering wheel to two wind channel doors in the engineering, improve work efficiency greatly.
The one-control-two air door operating mechanism is applied to the unmanned aerial vehicle as an air duct door operating mechanism.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (10)
1. A one-control-two air door control mechanism comprises a steering engine and a steering engine rocker arm, wherein the steering engine is arranged on the surface of an engine mounting frame through a steering engine bracket, and an output shaft of the steering engine rocker arm drives the steering engine rocker arm to swing; the method is characterized in that: the rocker arm seat assembly comprises a rocker arm seat, a rotating shaft connecting rod, a first combined connecting rod and a second combined connecting rod; the rocker arm seat assembly is fixed on the engine mounting frame and positioned between the air duct doors on the two sides, and the rocker arm seat assembly is axially vertical to an output shaft of the steering engine; the center position of the rotating shaft connecting rod is rotatably connected with the top end of the rocker arm seat assembly and can rotate around the central shaft of the rocker arm seat assembly; two ends of the rotating shaft connecting rod are respectively connected with the joints of the air duct doors at two sides through a first combined connecting rod and a second combined connecting rod;
the outer end of the steering engine rocker arm is hinged with the rotating shaft connecting rod through the connecting rod, the steering engine rocker arm is sequentially driven to swing and move through the steering engine, then the rotating shaft connecting rod is driven to rotate, the first combined connecting rod and the second combined connecting rod on two sides are driven to move by two ends of the rotating shaft connecting rod, and finally opening and closing state control of the air duct doors on two sides is achieved.
2. The primary and secondary damper operating mechanism of claim 1, wherein: the rotating shaft connecting rod is a bent connecting rod with a symmetrical structure, and the bent part at the middle part forms an obtuse angle.
3. The primary and secondary damper operating mechanism of claim 1, wherein: the heights of the positions of the two ends of the rotating shaft connecting rod are consistent with the height of the air duct door joint, so that the first connecting rod and the second connecting rod move on the same height plane.
4. The primary and secondary damper operating mechanism of claim 1, wherein: the connecting rod is articulated with the rotating shaft connecting rod through the adapter, so that when the steering engine is in a +/-20-degree limit deflection position, the rotating shaft connecting rod is pushed to move through the adapter, and the air duct door can be just in a fully-opened state and a fully-closed state.
5. The primary and secondary damper operating mechanism of claim 1, wherein: the deflection angle of the steering engine rocker arm is +/-20 degrees, and when the steering engine rocker arm deflects 20 degrees, 0 degrees and-20 degrees respectively, the first combination connecting rod and the second combination connecting rod on the two sides are driven to move through the connecting rod and the rotating shaft connecting rod, so that the air duct doors on the left side and the right side can be in a full-open state, a half-open state and a closed state respectively and simultaneously.
6. The primary and secondary damper operating mechanism of claim 1, wherein: the first combined connecting rod comprises a first connecting rod and a first connecting joint, and the first connecting rod is a straight rod; one end of the first connecting joint is provided with a through hole for mounting a bearing, and the other end of the first connecting joint is provided with a threaded rod which is axially vertical to the through hole; the two first connecting joints are in threaded connection with threaded sleeves at two ends of the first connecting rod through threaded rods; a bearing hole of a first connecting joint at one end of the first combined connecting rod is connected with the end of the rotating shaft connecting rod through a pin, and a bearing hole of a first connecting joint at the other end of the first combined connecting rod is connected with a joint of the air duct door through a pin;
the structure and the connection mode of the second combined connecting rod and the first combined connecting rod are the same.
7. The primary and secondary damper operating mechanism of claim 1, wherein: through holes are formed in two end heads of the rotating shaft connecting rod, a joint bearing is installed in each through hole, and the inner ring of each joint bearing is in interference fit with the corresponding pin.
8. The primary and secondary damper operating mechanism of claim 1, wherein: the joint of the air duct door can move around the air duct door rotating shaft, and the plane rotation of the rotating shaft connecting rod is converted into space motion.
9. The primary and secondary damper operating mechanism of claim 1, wherein: the lengths of the first combined connecting rod and the second combined connecting rod are respectively C2D2 and E2F2, the projection lengths of the first combined connecting rod and the second combined connecting rod before rotation on an engine frame installation plane are respectively C1D1 and E1F1, and the expressions are as follows:
C1D1＝C2D2·cosα
E1F1＝E2F2·cosβ
where α is the deflection angle of the first combination link and β is the deflection angle of the second combination link.
10. Use of a flap control mechanism according to any of claims 1 to 9 as an air duct door operating mechanism in an unmanned aerial vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110622079.1A CN113212769A (en) | 2021-06-04 | 2021-06-04 | One-control-two air door control mechanism and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110622079.1A CN113212769A (en) | 2021-06-04 | 2021-06-04 | One-control-two air door control mechanism and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113212769A true CN113212769A (en) | 2021-08-06 |
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ID=77082648
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110622079.1A Pending CN113212769A (en) | 2021-06-04 | 2021-06-04 | One-control-two air door control mechanism and application thereof |
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| CN (1) | CN113212769A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2454706Y (en) * | 2000-12-05 | 2001-10-17 | 华南理工大学 | Double-face control split-flow blowing air conditioner |
| US20020173217A1 (en) * | 2001-05-17 | 2002-11-21 | Kinkade Andrew Sean | Ornithopter |
| CN207292349U (en) * | 2017-09-05 | 2018-05-01 | 北京精密机电控制设备研究所 | A kind of deep water outboard hatch door headstock gear |
| CN110901930A (en) * | 2019-12-06 | 2020-03-24 | 西安爱生技术集团公司 | Rear-mounted ventilation cooling device of piston engine |
| CN212022974U (en) * | 2020-03-25 | 2020-11-27 | 沈阳无距科技有限公司 | Unmanned aerial vehicle tilting mechanism and unmanned aerial vehicle |
| CN112173073A (en) * | 2020-09-25 | 2021-01-05 | 中国直升机设计研究所 | Single steering engine control double-vertical-tail control structure |
-
2021
- 2021-06-04 CN CN202110622079.1A patent/CN113212769A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2454706Y (en) * | 2000-12-05 | 2001-10-17 | 华南理工大学 | Double-face control split-flow blowing air conditioner |
| US20020173217A1 (en) * | 2001-05-17 | 2002-11-21 | Kinkade Andrew Sean | Ornithopter |
| CN207292349U (en) * | 2017-09-05 | 2018-05-01 | 北京精密机电控制设备研究所 | A kind of deep water outboard hatch door headstock gear |
| CN110901930A (en) * | 2019-12-06 | 2020-03-24 | 西安爱生技术集团公司 | Rear-mounted ventilation cooling device of piston engine |
| CN212022974U (en) * | 2020-03-25 | 2020-11-27 | 沈阳无距科技有限公司 | Unmanned aerial vehicle tilting mechanism and unmanned aerial vehicle |
| CN112173073A (en) * | 2020-09-25 | 2021-01-05 | 中国直升机设计研究所 | Single steering engine control double-vertical-tail control structure |
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Application publication date: 20210806 |