JPS59154299U

JPS59154299U - Model helicopter rotor head

Info

Publication number: JPS59154299U
Application number: JP4867883U
Authority: JP
Inventors: 古市　精克
Original assignee: Individual
Current assignee: Individual
Priority date: 1983-03-31
Filing date: 1983-03-31
Publication date: 1984-10-16
Also published as: JPH0236558Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図はこの考案の側面図。第２図は第１図の平面図で
各内部構造を点線で示す。第３図はダンパーゴムの側面
図である。図中、１・・・軸管、１４・・・操舵腕、１５・・・操
舵盤、２・・・センターハブ、２１・・・シーソーピン
、２２・・・センターハブの中心線、３・・・当金、４
・・・側ハブ、４１・・・ハブ軸、４２・・・フラッピ
ングピン、４３・・・ハブ軸の中心線、４４・・・当た
り板、４５・・・ビス、４６・・・操作腕、４７・・・
ユニバーサルホール、４８・・・ドラッグピン、５・・
・ダンパーゴム、６・・・プロペラ翼。Figure 1 is a side view of this invention. FIG. 2 is a plan view of FIG. 1, and each internal structure is shown by dotted lines. FIG. 3 is a side view of the damper rubber. In the figure, 1... shaft tube, 14... steering arm, 15... steering board, 2... center hub, 21... seesaw pin, 22... center line of center hub, 3...・・Cash, 4
... Side hub, 41... Hub axle, 42... Flapping pin, 43... Center line of hub axle, 44... Contact plate, 45... Screw, 46... Operating arm ,47...
Universal hole, 48...Drag pin, 5...
・Damper rubber, 6... Propeller blade.

Claims

[Scope of utility model registration request]

Shaft tube 1 connected to the upper end of the rotor shaft of a model helicopter
Attach the center hub 2, which has a U-shaped hub axle mounting hole on the upper end and the lower surface, by inserting the axle tube 1 into the center of the interior, and connect the vertical movement of both ends with a seesaw pin 21. , bolts 3 are placed on both front and rear sides of the lower part of the seesaw pin 21 of the shaft tube 1.
The inner end of the hub shaft 41 that connects the side hub 4 for attaching the wings to the center hub 2 is attached to the inside of both ends of the center hub 2 with a flapping pin 42 so that it can freely fly in the vertical direction. , the center line 43 of the center hub 2 is positioned slightly forward of the center line 22 of the center hub 2 in the rotational direction, and the hub axle 41
A contact plate 44 is attached to the front side of the inner end in the rotational direction, and is brought into contact with the lower surface of the contact plate 3 attached to both the front and rear sides of the shaft tube 1, and is attached to both sides of the shaft tube 1, the inner end of the hub shaft 41, and the center. A damper rubber 5 is interposed between the inner surface of the hub 2 and the hub shaft 4.
1, the side hub 4 for attaching the propeller blade 6 is attached to the hub shaft 41 with a bearing and a thrust bearing interposed between the hub 4 and the hub shaft 41 so that it can swing freely and is prevented from falling off using a screw 45 that is fastened to the outer end of the hub shaft 41. , an operating arm 46 is attached to the front side of the inner end of the side hub 4 in the rotational direction, the outer end is connected to the steering arm 14 of the helicopter via a universal ball 47, and a propeller blade 6 is attached to the tip of the side hub 4. A model helicopter rotor head that is swingably mounted with a drag pin 48.