阅读说明：本技术 一种自动倾斜器的防尘机构 (Dustproof mechanism of automatic inclinator ) 是由 王川 于 2020-05-12 设计创作，主要内容包括：本发明提供了一种自动倾斜器的防尘机构,该防尘机构包括第一防尘机构和第二防尘机构。本发明通过第一防尘机构能避免灰尘从动盘和直升机主轴之间的缝隙进入自动倾斜器,通过第二防尘机构能避免灰尘从动盘和静盘之间的缝隙进入自动倾斜器,两方面共同为自动倾斜器防尘,从而实现为自动倾斜器彻底防尘的效果。(The invention provides a dustproof mechanism of an automatic inclinator, which comprises a first dustproof mechanism and a second dustproof mechanism. According to the invention, the gap between the dust driven disc and the helicopter main shaft can be prevented from entering the automatic inclinator through the first dustproof mechanism, the gap between the dust driven disc and the static disc can be prevented from entering the automatic inclinator through the second dustproof mechanism, and the two aspects are both dustproof for the automatic inclinator, so that the effect of completely preventing dust for the automatic inclinator is realized.)

1. A dustproof mechanism of an automatic recliner, comprising: a first dust-proof mechanism and a second dust-proof mechanism;

the first dustproof mechanism is an organ tower type dustproof structure which can be connected with a movable disc of the automatic inclinator, can incline and move up and down along with the automatic inclinator and can keep close fit with the automatic inclinator, the organ tower type dustproof structure is made of rubber, and a circle of raised air ring is arranged on the inner wall of the organ tower type dustproof structure;

the second dustproof mechanism is a circular dustproof structure which can be connected with the movable disc of the automatic inclinator, can incline and move up and down along with the automatic inclinator and can keep gaps between the movable disc and the static disc of the automatic inclinator dustproof and dedusting, the circular dustproof structure is made of rubber, and a dustproof wiping strip ring which can keep in contact fit with the static disc of the automatic inclinator and is used for preventing dust is arranged on the circular dustproof structure.

2. The dust prevention mechanism of an automatic recliner of claim 1 wherein the first dust prevention mechanism is provided with a first connection hole for connection with a moving plate of the automatic recliner.

3. The dustproof mechanism of an automatic recliner as claimed in claim 1, wherein the second dustproof mechanism is provided with a connecting portion capable of being connected with a movable disc of the automatic recliner, the connecting portion is made of rubber, and the connecting portion is integrally connected with the annular dustproof structure.

4. The dustproof mechanism of an automatic recliner as claimed in claim 3, wherein the number of the connecting portions is two, the two connecting portions are symmetrically arranged on the edge of the inner ring of the circular dustproof structure, and each connecting portion is provided with a second connecting hole capable of being connected with the movable plate of the automatic recliner.

5. The dust-proof mechanism of an automatic recliner of claim 3 wherein both of said connecting portions are circular arc shaped and both of said connecting portions are connected perpendicularly to said circular dust-proof structure.

6. The dustproof mechanism for an automatic recliner as claimed in claim 1, wherein the number of the dust control wiping strip rings is two, and the two dust control wiping strip rings are sequentially arranged from outside to inside on the bottom surface of the annular dustproof structure.

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to a dustproof mechanism of an automatic inclinator.

Background

The unmanned helicopter has the advantages of small take-off field limit, hovering capability, flexible flying posture and the like, is widely applied to military tasks such as aviation targets, battlefield investigation, damage assessment, target guidance and the like, and can also be applied to non-military tasks such as flight tests, aviation mapping and the like. The automatic tilter is a main component of a helicopter control system, and the collective pitch and the cyclic pitch control of a rotor wing are realized through the automatic tilter.

The dust-proof mechanism that traditional automatic inclinator did not establish dust proof mechanism or set up is not ideal, and foreign matter such as sand and dust gets into automatic inclinator easily when the aircraft takes off and lands, causes the inside friction increase of automatic inclinator, and then causes the paddle rotational speed to reduce, leads to automatic inclinator to damage even, influences the performance of controlling of aircraft.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a dustproof mechanism of an automatic inclinator.

The invention is realized by the following technical scheme:

the invention provides a dustproof mechanism of an automatic inclinator, which comprises: a first dust-proof mechanism and a second dust-proof mechanism;

the first dustproof mechanism is an organ tower type dustproof structure which can be connected with a movable disc of the automatic inclinator, can incline and move up and down along with the automatic inclinator and can keep close fit with the automatic inclinator, the organ tower type dustproof structure is made of rubber, and a circle of raised air ring is arranged on the inner wall of the organ tower type dustproof structure;

the second dustproof mechanism is a circular dustproof structure which can be connected with the movable disc of the automatic inclinator, can incline and move up and down along with the automatic inclinator and can keep gaps between the movable disc and the static disc of the automatic inclinator dustproof and dedusting, the circular dustproof structure is made of rubber, and a dustproof wiping strip ring which can keep in contact fit with the static disc of the automatic inclinator and is used for preventing dust is arranged on the circular dustproof structure.

Preferably, the first dustproof mechanism is provided with a first connecting hole for connecting with a movable disc of the automatic inclinator.

Preferably, the second dustproof mechanism is provided with a connecting part which can be connected with a movable disc of the automatic inclinator, the connecting part is made of rubber, and the connecting part is integrally connected with the annular dustproof structure.

Preferably, the number of the connecting parts is two, the two connecting parts are symmetrically arranged at the edge of the inner ring of the annular dustproof structure, and each connecting part is provided with a second connecting hole which can be connected with the movable disc of the automatic inclinator.

Preferably, the two connecting parts are both arc-shaped and are vertically connected with the annular dustproof structure.

Preferably, the number of the dust prevention and removal wiping strip rings is two, and the two dust prevention and removal wiping strip rings are sequentially arranged on the bottom surface of the annular dustproof structure from outside to inside.

In the embodiment, this application can avoid the gap between dust driven plate and the helicopter main shaft to get into the automatic inclinator through first dustproof mechanism, can avoid the gap between dust driven plate and the quiet dish to get into the automatic inclinator through second dustproof mechanism, and two sides are dustproof for the automatic inclinator jointly to the realization is the thorough dirt-proof effect of automatic inclinator.

Drawings

FIG. 1 is a schematic diagram of an automatic recliner provided by an embodiment of the present invention;

fig. 2 is a first structural schematic diagram of a first dust-proof mechanism provided in the embodiment of the present invention;

fig. 3 is a second structural schematic diagram of the first dust-proof mechanism provided in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second dust-proof mechanism provided in the embodiment of the present invention;

fig. 5 is a schematic structural view of an automatic recliner provided by an embodiment of the present invention with a dust-proof mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to facilitate understanding of the dustproof mechanism of the automatic recliner provided by the embodiment of the invention, an application scenario of the dustproof mechanism of the automatic recliner provided by the embodiment of the invention is described first, the dustproof mechanism of the automatic recliner provided by the embodiment of the invention is used for preventing dust for the automatic recliner, a traditional automatic recliner is not provided with a dustproof mechanism or the arranged dustproof mechanism is not ideal, foreign matters such as sand and dust easily enter the automatic recliner when an airplane takes off and lands, so that the internal friction of the automatic recliner is increased, the rotating speed of a paddle is reduced, even the automatic recliner is damaged, and the control performance of the airplane is affected, and therefore, the dustproof mechanism of the automatic recliner is provided.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an automatic recliner provided in an embodiment of the present invention. As shown in fig. 1, a conventional automatic recliner includes a stationary plate 1 and a movable plate 2, the stationary plate 1 is also called a stationary ring, and the movable plate 2 is also called a movable ring. The automatic inclinator is directly exposed outside, foreign matters such as sand and dust easily enter the automatic inclinator when the airplane takes off and lands, the internal friction of the automatic inclinator is increased, the rotating speed of the paddle is reduced, and even the automatic inclinator is damaged, so that the control performance of the aircraft is influenced.

Therefore, the invention provides a dustproof mechanism of an automatic inclinator, which comprises a first dustproof mechanism 4, as shown in fig. 2 and 3, fig. 2 is a schematic view of a first structure of the first dustproof mechanism provided by the embodiment of the invention, fig. 3 is a schematic view of a second structure of the first dustproof mechanism provided by the embodiment of the invention, the first dustproof mechanism 4 is an organ tower type dustproof structure, and the organ tower type dustproof structure is made of rubber.

In this embodiment, be provided with the first connecting hole 3 that is used for being connected with the driving disk 2 of automatic inclinator on the first dustproof mechanism 4, the number of first connecting hole 3 is four, the circumference evenly distributed at the tower bottom of the tower dustproof construction of organ that four first connecting holes 3 designed into along first dustproof mechanism 4, correspond with four first connecting holes 3 on driving disk 2 and set up the same first connecting hole 3 simultaneously, first connecting hole 3 is the internal thread hole, realize like this that first dustproof mechanism 4 can be connected with the driving disk 2 of automatic inclinator, make the tower dustproof construction's of organ that first dustproof mechanism 4 designed into bottom and the driving disk 2 of automatic inclinator keep closely laminating after the connection, avoid the dust to get into in the automatic inclinator from the gap between the driving disk 2 of automatic inclinator and the helicopter main shaft of connection on driving disk 2.

Because the first dustproof mechanism 4 is designed into an organ tower type dustproof structure, the first dustproof mechanism 4 can be sleeved on a helicopter main shaft connected with the movable disc 2 of the automatic inclinator after being installed, and the first dustproof mechanism 4 has the characteristics of long stroke and small compression due to the structural characteristics and can tilt and move up and down along with the automatic inclinator. As shown in fig. 3, a circle of raised air ring 5 is arranged on the inner wall of the organ tower type dustproof structure designed by the first dustproof mechanism 4, the raised air ring 5 is a circle of air bag ring which is raised on the inner wall of the upper end opening of the organ tower type dustproof structure after being inflated, when the first dustproof mechanism 4 is installed and sleeved on a helicopter main shaft connected with a movable disk 2 of an automatic inclinator, the raised air ring 5 can be kept to be tightly attached to the helicopter main shaft, and due to the inflating structure characteristic of the raised air ring 5, the helicopter main shaft can be always kept to be tightly attached to the helicopter main shaft when the helicopter main shaft follows the movable disk 2 to move.

First dustproof mechanism 4 designs into the tower dustproof construction of organ, the lower extreme closely laminates with the 2 surface connections back of driving disk, realize preliminary dustproof effect, protruding balloon 5 on the upper end inner wall of the first dustproof mechanism 4 of the tower dustproof construction of organ design can closely laminate with the helicopter main shaft of being connected driving disk 2, further realize dustproof effect, thereby can thoroughly avoid in the dust gets into the automatic inclinator from the gap between the main shaft of helicopter on driving disk 2 and the connection of driven disk 2, realize that the first aspect is dustproof.

In the embodiment of the present invention, the dustproof mechanism further includes a second dustproof mechanism 7, as shown in fig. 4, fig. 4 is a schematic structural diagram of the second dustproof mechanism provided in the embodiment of the present invention, the second dustproof mechanism 7 is a circular dustproof structure, and the circular dustproof structure is made of a rubber material. The second dustproof mechanism 7 is provided with a connecting portion 9 which can be connected with the movable disc 2 of the automatic inclinator, the connecting portion 9 is made of rubber, and the connecting portion 9 is integrally connected with the annular dustproof structure.

In this embodiment, the number of the connecting portions 9 is two, the two connecting portions 9 are symmetrically disposed on the inner ring edge of the second dustproof mechanism 7 designed into the circular dustproof structure, the two connecting portions 9 are both arc-shaped, and the two connecting portions 9 are both fixedly connected to the second dustproof mechanism 7 designed into the circular dustproof structure in a mutually perpendicular manner. Every connecting portion 9 is last to be provided with the second connecting hole 6 that can be connected with the driving disk 2 of automatic inclinator, is provided with the hole that can correspond the intercommunication with second connecting hole 6 on the lateral wall of driving disk 2, and this hole also names second connecting hole 6, sets up two second connecting holes 6 on every connecting portion 9, and all second connecting holes 6 are the internal thread hole. The second dustproof mechanism 7 can be connected with the movable disc 2 of the automatic inclinator through a second connecting hole 6 on the connecting part 9.

The second dustproof mechanism 7 is designed into a circular dustproof structure and is sleeved on the outer side of the lower end of the movable disc 2 of the automatic inclinator during installation, after installation, the inner ring of the second dustproof mechanism 7 is tightly attached to the side wall of the lower end of the movable disc 2 of the automatic inclinator and can incline and move up and down along with the movable disc 2 of the automatic inclinator, the bottom of the circular dustproof structure designed into the second dustproof mechanism 7 is provided with a dust prevention and removal wiping strip ring 8 which can be kept in contact and attached with the static disc 1 of the automatic inclinator, the dust prevention and removal wiping strip ring 8 is a circular structure made of dust prevention and removal wiping strips, the number of the dust prevention and removal wiping strip rings 8 is two, and the two dust prevention and removal wiping strip rings 8 are sequentially arranged on the bottom surface of the circular dustproof.

Two prevent that remove dust and wipe a circle 8 and pass through the fixed bottom that pastes at ring shape dustproof construction of powerful glue, second dustproof mechanism 7 installation back, two prevent that dust from wiping a circle 8 and automatic inclinator's quiet dish 1 surface contact to when the movable disk 2 of automatic inclinator rotates relative quiet dish 1, can prevent that the dust from entering into the automatic inclinator from the gap between movable disk 2 of automatic inclinator and the quiet dish 1, keep the dustproof and dust removal's of gap between movable disk 2 of automatic inclinator and quiet dish 1 effect. Certainly, the dust prevention and removal wiping strip ring 8 can be set to be a circular ring-shaped wiping strip ring structure which is designed to be the same as the bottom surface of the circular ring-shaped dustproof structure of the second dustproof mechanism 7, and only the dust prevention and removal wiping strip ring 8 is required to be in contact with the surface of the static disc 1 in a wiping mode, so that the dust prevention and removal effects on the gap between the movable disc 2 and the static disc 1 of the automatic inclinator are met, the dust is prevented from entering the automatic inclinator from the gap between the movable disc 2 and the static disc 1, and the dust prevention in the second aspect is achieved.

As shown in fig. 5, fig. 5 is a schematic structural diagram of an automatic recliner provided by an embodiment of the present invention after a dustproof mechanism is installed, and after a first dustproof mechanism 4 and a second dustproof mechanism 7 provided by the present application are installed on the automatic recliner, not only can a gap between a dust driven disc 2 and a helicopter main shaft be prevented from entering the automatic recliner, but also a gap between the dust driven disc 2 and a static disc 1 can be prevented from entering the automatic recliner, and both aspects are dust-proof for the automatic recliner, so that a thorough dust-proof effect for the automatic recliner is achieved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.