Helicopter joystick assembly

Abstract

The utility model provides a helicopter joystick assembly. The helicopter joystick assembly comprises a handle, a stick body, a threaded piece, an adjusting knob, an upper friction bowl, a middle friction bowl and a lower friction bowl. Wherein the upper end of the rod body is provided with the handle, and the lower end is connected with other parts of the control system; the threaded piece, the adjusting knob, the upper friction bowl, the middle friction bowl and the lower friction bowl are respectively arranged at the bottom of the steering column in series; the lower friction bowl is mounted on a machine body structure through a bolt; the helicopter joystick assembly provided by the utility model has a friction force adjusting function; the friction device can provide friction force and also can play a dustproof role; the friction device is provided with an adjusting knob to facilitate pilot operation.

Description

Technical Field

[0001] This application belongs to the technical field of helicopter control system structures, and particularly relates to a helicopter control stick assembly. Background Art

[0002] A helicopter control stick assembly generally consists of a support, a rod body, a dust cover, and a handle assembly. To adjust the friction force of the control system, an independent friction force adjustment device is generally designed in the control system to enable the pilot to obtain an appropriate control force feeling.

[0003] Generally, a helicopter control system has an independent friction force adjustment device. The friction device cannot be adjusted after the control system is adjusted, which is not conducive to the pilot obtaining an appropriate control force feeling. At the same time, the independent adjustment device also brings additional weight. Utility Model Content

[0004] In view of the above technical problems, this application provides a helicopter control stick assembly, which includes a handle, a rod body, a threaded part, an adjustment knob, an upper friction bowl, a middle friction bowl, and a lower friction bowl;

[0005] Among them, the upper end of the rod body is installed with a handle, and the lower end is connected to other components of the control system; the threaded part, the adjustment knob, the upper friction bowl, the middle friction bowl, and the lower friction bowl are respectively arranged in series at the bottom of the control stick; the lower friction bowl is installed on the airframe structure through bolts.

[0006] Preferably, it has a threaded part and an adjustment knob, and the adjustment knob can be screwed with it and move up and down.

[0007] Preferably, the upper friction bowl, the middle friction bowl, and the lower friction bowl are respectively arranged in series at the bottom of the control stick to provide friction force for the control stick.

[0008] Preferably, the adjustment knob provides adjustable friction force for the upper friction bowl, the middle friction bowl, and the lower friction bowl.

[0009] Preferably, the upper friction bowl, the middle friction bowl, and the lower friction bowl have a dust-proof function.

[0010] Preferably, when the control stick moves forward, backward, left, or right, the friction bowl will generate friction force, and the pilot will perceive this friction force through the rod body. By adjusting the movement of the adjustment knob on the threaded part, the normal pressure applied between the upper friction bowl, the middle friction bowl, and the lower friction bowl is adjusted, thereby realizing the adjustment of the friction force of the control stick assembly.

[0011] This application has the following technical effects:

[0012] 1. The helicopter control stick assembly has a friction force adjustment function;

[0013] 2. While providing friction force, the friction device can also play a dust-proof role;

[0014] 3. The friction device has an adjustment knob for easy operation by the pilot. Description of the Drawings

[0015] Figure 1 Assembly drawing of the control column assembly;

[0016] Figure 2 Cross-sectional view of the control column assembly;

[0017] Wherein: 1. Handle; 2. Rod body; 3. Bolt; 4. Threaded part; 5. Adjustment knob; 6. Upper friction bowl; 7. Middle friction bowl; 8. Bolt; 9. Lower friction bowl. Detailed Implementation Manner

[0018] Please refer to Figure 1 and Figure 2 , this application provides a helicopter control column assembly with a friction force adjustment function. The mechanism includes a handle, a rod body, a threaded part, an adjustment knob, an upper friction bowl, a middle friction bowl, and a lower friction bowl. The upper end of the rod body is installed with the handle, and the lower end is connected to other components of the control system. The threaded part, the adjustment knob, the upper friction bowl, the middle friction bowl, and the lower friction bowl are arranged in series at the bottom of the control column. The lower friction bowl is installed on the airframe structure by bolts or other means. When the friction rod moves forward, backward, left, or right, the friction bowl will generate a friction force, and the pilot will perceive this friction force through the rod body. By adjusting the movement of the adjustment knob on the threaded part, the normal pressure applied between the upper friction bowl, the middle friction bowl, and the lower friction bowl is adjusted, thereby realizing the adjustment of the friction force of the control column assembly. At the same time, the upper friction bowl, the middle friction bowl, and the lower friction bowl also have a dust-proof function.

[0019] Preferably, there are a threaded part and an adjustment knob, and the adjustment knob can be screwed with it and move up and down.

[0020] Preferably, the upper friction bowl, the middle friction bowl, and the lower friction bowl are arranged in series at the bottom of the control column respectively, and can provide a friction force for the control column.

[0021] Preferably, the adjustment knob provides an adjustable friction force for the upper friction bowl, the middle friction bowl, and the lower friction bowl.

[0022] Preferably, the upper friction bowl, the middle friction bowl, and the lower friction bowl have a dust-proof function.

[0023] Key points of this application: 1. The helicopter control column assembly with a friction force adjustment function is composed of a handle, a rod body, a threaded part, an adjustment knob, an upper friction bowl, a middle friction bowl, and a lower friction bowl; 2. The control column assembly has a friction force adjustment function; 3. The device for adjusting the friction force also has a dust-proof function.

[0024] The present application provides a helicopter control stick assembly with a friction adjustment function. The mechanism consists of a handle, a rod body, a threaded part, an adjustment knob, an upper friction bowl, a middle friction bowl, and a lower friction bowl.

Claims

1. A helicopter control stick assembly, characterized in that, It consists of a handle, a rod body, a threaded part, an adjusting knob, an upper friction bowl, a middle friction bowl, and a lower friction bowl; Among them, the handle is installed at the upper end of the rod body, and the lower end is connected to other components of the control system; the threaded part, the adjusting knob, the upper friction bowl, the middle friction bowl, and the lower friction bowl are arranged in series at the bottom of the control stick; the lower friction bowl is installed on the airframe structure through bolts.

2. The helicopter control stick assembly according to claim 1, wherein, It has a threaded part and an adjusting knob, and the adjusting knob can be screwed with it and move up and down.

3. The helicopter control stick assembly according to claim 2, wherein The upper friction bowl, the middle friction bowl, and the lower friction bowl are arranged in series at the bottom of the control stick to provide friction for the control stick.

4. The helicopter control stick assembly according to claim 3, wherein, The adjusting knob provides adjustable friction for the upper friction bowl, the middle friction bowl, and the lower friction bowl.

5. The helicopter control stick assembly according to claim 4, wherein, The upper friction bowl, the middle friction bowl, and the lower friction bowl have a dust-proof function.

6. The helicopter control stick assembly according to claim 1, wherein, When the control stick moves forward, backward, left, or right, the friction bowls will generate friction, and the driver will sense this friction through the rod body. By adjusting the movement of the adjusting knob on the threaded part, the normal pressure applied between the upper friction bowl, the middle friction bowl, and the lower friction bowl can be adjusted, so as to realize the adjustment of the friction of the control stick assembly.

Images