CN2892224Y - Moment changeable propeller of model aeroplane - Google Patents
Moment changeable propeller of model aeroplane Download PDFInfo
- Publication number
- CN2892224Y CN2892224Y CN 200620113352 CN200620113352U CN2892224Y CN 2892224 Y CN2892224 Y CN 2892224Y CN 200620113352 CN200620113352 CN 200620113352 CN 200620113352 U CN200620113352 U CN 200620113352U CN 2892224 Y CN2892224 Y CN 2892224Y
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- CN
- China
- Prior art keywords
- sliding sleeve
- blade
- model
- lever
- bending moment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a variable torque model aircraft airscrew essentially comprising a propeller blade, a blade retention shaft sleeve, a sliding sleeve, an axis of rotation of motor and a motor fixing seat. The utility model is characterized in that the propeller blade is connected with the blade retention shaft sleeve in a rotatable way; a hug is provided at root segment of the paddle; the paddle is flexibly connected with the sliding bush through the lug; in addition, a control gear that is able to drive the sliding bush to glide along the axis of rotation of motor axially is provided. By using such a utility model, while the aircraft is flying, torque of the airscrew can be changed, so that the aircraft can fly backwards and maneuverability of the model aircraft is increased.
Description
Technical field
But the utility model relates to a kind of bending moment screw, a kind ofly changes into oppositely and the bending moment model of an airplane screw of turning flight direction to reach thrust not changing screw motion direction of rotation but relate in particular to.
Background technology
Model of an airplane screw is generally by the blade and the line shaft of fixed end taken about the point of fixation constitute, the blade of existing model of an airplane screw is generally two, three or multi-disc more, normally blade is fixedlyed connected with the blade holder, the blade holder is fixedlyed connected with line shaft, the screw of this structure generally can not be realized instant reverse transformation motive force direction in model of an airplane flight course.
The utility model content
But the utility model purpose provides a kind of model of an airplane screw of bending moment, can reach the purpose of reverse transformation motive force direction by bending moment.
The technical solution of the utility model is as follows: but a kind of bending moment model of an airplane screw mainly comprises blade, blade fixed hub, sliding sleeve, machine shaft and motor fixing seat, it is characterized in that: and described blade and blade fixed hub are rotatably connected; The root of described blade is provided with nose bar, described blade flexibly connects by nose bar and sliding sleeve, also be provided with and drive sliding sleeve along machine shaft controlling organization in axial sliding, when described controlling organization drives the sliding sleeve slip, the drive blade rotates, and realizes that bending moment is to reach the purpose of reverse transformation motive force direction.
Described drive sliding sleeve along machine shaft in axial sliding controlling organization can be a lever, the pivot shaft of described lever is installed in the pivot shaft slot that is provided with on the motor fixing seat, described lever upper end is provided with the lever shifting block, is provided with the groove that snaps in for the lever shifting block in the sliding sleeve bottom.Pull lever one end, the lever shifting block is stirred sliding sleeve and is axially slided up and down along machine shaft, and sliding sleeve and nose bar interlock drive blade and rotate with respect to fixed hub, realize bending moment, reach the purpose of reverse transformation motive force direction.
Described drive sliding sleeve along machine shaft in axial sliding controlling organization can be a pull bar, described pull bar lower end is stretched out by the machine shaft centre bore on the fixed hub, the upper end is fixed on the sliding sleeve center, the link arm lower end of being protruded by sliding sleeve is provided with spherical groove, and the spherical termination of nose bar is arranged in the described spherical groove.The pulling pull bar, the link arm that sliding sleeve protrudes is driving nose bar, and nose bar drives blade and rotates with respect to fixed hub, realizes bending moment, thereby reaches the purpose of reverse transformation motive force direction.
Described drive sliding sleeve along machine shaft in axial sliding controlling organization can be a connecting rod, described connecting rod one end and nose bar flexibly connect by pin, the connecting rod other end and sliding sleeve flexibly connect by pin.The pulling connecting rod drives blade and rotates with respect to fixed hub, realizes bending moment, reaches the purpose of reverse transformation motive force direction.
The beneficial effect of present embodiment is: can realize reverse transformation motive force direction by bending moment, the mobility of the model of an airplane is strengthened.
Description of drawings
But Fig. 1 is the utility model embodiment 1 described bending moment model of an airplane screw perspective view;
But Fig. 2 is the utility model embodiment 2 described bending moment model of an airplane screw perspective view;
But Fig. 3 is the utility model embodiment 3 described bending moment model of an airplane screw perspective view.
Description of reference numerals:
1, blade; 11, blade fixed hub; 12, propeller shank; 13, blade nose bar; 14, the spherical termination of blade nose bar; 2, sliding sleeve; 21, sliding sleeve groove; 22, pull bar; 23, spherical groove; 3, machine shaft; 4, motor fixing seat; 5, lever; 51, lever shifting block; 52, balance pivot rotating shaft; 53, balance pivot axial trough; 6, holder; 7, connecting rod; 8, pin; 81, pin
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Among the embodiment 1 as shown in Figure 1, model of an airplane screw of the present utility model mainly is made up of blade 1, sliding sleeve 2, machine shaft 3, motor fixing seat 4; Blade 1 is fixed on machine shaft 3 upper ends by blade fixed hub 11, and sliding sleeve 2 tops are enclosed within outside the blade fixed hub 11, and sliding sleeve 2 is provided with the groove 21 that stretches out for propeller shank 12, and groove 21 is axially offered along machine shaft 3; , hinged between blade 1 and the sliding sleeve 2 between blade 1 and the blade fixed hub 11 by blade nose bar 13 for bearing is connected; Be provided with motor fixing seat 4 below sliding sleeve 2, motor fixing seat 4 tops are provided with pivot shaft slot 53, and the pivot shaft 52 of lever 5 is installed in 53 li of pivot shaft slots, and lever 5 upper ends are provided with lever shifting block 51, are provided with the groove 21 that snaps in for lever shifting block 51 in sliding sleeve 2 bottoms.Pull lever 5 one ends, lever shifting block 51 is stirred sliding sleeve 2 and is axially slided up and down along machine shaft 3, and sliding sleeve 2 and 13 interlocks of blade nose bar drive blade 1 and rotate with respect to blade fixed hub 11, realize bending moment, reach the purpose of reverse transformation motive force direction.
Among the embodiment 2 as shown in Figure 2, pull bar 22 lower ends are stretched out by machine shaft 3 centre bores on the blade fixed hub 11 and can be slided up and down along this centre bore, the upper end is fixed on sliding sleeve 2 centers, the link arm lower end of protruding from sliding sleeve 2 is provided with spherical groove 23, be provided with nose bar 13 on perpendicular to propeller shank 12 directions, the spherical termination 14 of nose bar 13 is arranged in the spherical groove.Pulling pull bar 22, the link arm that sliding sleeve 2 protrudes drives blade nose bar 13, and blade nose bar 13 drives blade 1 and rotates with respect to fixed hub 11, realizes bending moment, thereby reaches the purpose of reverse transformation motive force direction.
Among the embodiment 3 as shown in Figure 3, sliding sleeve 2 is provided with holder 6 and fixedlys connected with pull bar, and connecting rod 7 one ends and nose bar 13 flexibly connect by pin 8, and connecting rod 7 other ends and holder 6 flexibly connect by pin 81.The pulling pull bar, sliding sleeve 2 servo-actuateds drive connecting rod 7, drive blade 1 and rotate with respect to fixed hub 11, realize bending moment, reach the purpose of reverse transformation motive force direction.
Claims (4)
1, but a kind of bending moment model of an airplane screw mainly comprises blade, blade fixed hub, sliding sleeve, machine shaft and motor fixing seat, it is characterized in that: described blade and blade fixed hub are rotatably connected; The root of described blade is provided with nose bar, and described blade flexibly connects by nose bar and sliding sleeve; Also be provided with and drive sliding sleeve along machine shaft controlling organization in axial sliding.
But 2, bending moment model of an airplane screw according to claim 1, it is characterized in that: described controlling organization is a lever, the pivot shaft of described lever is installed in the pivot shaft slot that is provided with on the motor fixing seat, described lever upper end is provided with the lever shifting block, is provided with the groove that snaps in for the lever pulling block in the sliding sleeve bottom.
But 3, bending moment model of an airplane screw according to claim 1, it is characterized in that: described controlling organization is a pull bar, described pull bar lower end is stretched out by the machine shaft centre bore on the fixed hub and can be slided up and down along this centre bore, the pull bar upper end is fixed on the sliding sleeve center, the link arm lower end of being protruded by sliding sleeve is provided with spherical groove, and the spherical termination of nose bar is arranged in the described spherical groove.
But 4, bending moment model of an airplane screw according to claim 1, it is characterized in that: described controlling organization is a connecting rod, and described connecting rod one end and nose bar flexibly connect by pin, and the connecting rod other end and sliding sleeve flexibly connect by pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620113352 CN2892224Y (en) | 2006-04-29 | 2006-04-29 | Moment changeable propeller of model aeroplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620113352 CN2892224Y (en) | 2006-04-29 | 2006-04-29 | Moment changeable propeller of model aeroplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2892224Y true CN2892224Y (en) | 2007-04-25 |
Family
ID=38060390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620113352 Expired - Fee Related CN2892224Y (en) | 2006-04-29 | 2006-04-29 | Moment changeable propeller of model aeroplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2892224Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689630A (en) * | 2011-03-25 | 2012-09-26 | 上海飞浪气垫船有限公司 | Small amphibious air-cushion vehicle capable of being hovered |
| CN105882960A (en) * | 2016-03-16 | 2016-08-24 | 陈楠 | Revolving wing |
-
2006
- 2006-04-29 CN CN 200620113352 patent/CN2892224Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689630A (en) * | 2011-03-25 | 2012-09-26 | 上海飞浪气垫船有限公司 | Small amphibious air-cushion vehicle capable of being hovered |
| CN105882960A (en) * | 2016-03-16 | 2016-08-24 | 陈楠 | Revolving wing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070425 Termination date: 20100429 |