CN219215416U

CN219215416U - Unmanned aerial vehicle screw quick assembly disassembly mechanism

Info

Publication number: CN219215416U
Application number: CN202320364954.5U
Authority: CN
Inventors: 梅文凯; 张明君; 彭彦平; 张万宁; 唐奎; 苏良军
Original assignee: Chengdu Times Tech Co ltd
Current assignee: Chengdu Times Tech Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-06-20
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a quick dismounting mechanism for a propeller of an unmanned aerial vehicle, relates to the technical field of unmanned aerial vehicles, and can at least partially solve the problems that in the prior art, quick dismounting paddles of the unmanned aerial vehicle are complex to dismount and have a large number of small parts. The utility model embodiment of an unmanned aerial vehicle screw quick assembly disassembly mechanism, which comprises a screw main body, a motor, a support arranged on the output end of the motor, and a locking piece for pressing the screw main body on the top of the support, wherein the locking piece penetrates through the screw main body and is in threaded connection with the support.

Description

Unmanned aerial vehicle screw quick assembly disassembly mechanism

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to a quick dismounting mechanism for a propeller of an unmanned aerial vehicle.

Background

The propeller is one of the main components of the unmanned aerial vehicle, and is used for providing lift force for the unmanned rotary wing vehicle.

At present, three main forms of unmanned aerial vehicle propellers are: fixed oar, folding oar, quick detach oar, wherein:

the fixed propeller is fixed on the motor of the unmanned aerial vehicle through a bolt, and cannot be detached in the transportation process, so that the unmanned aerial vehicle packaging box has the advantages of being simple in structure and increasing the size of the unmanned aerial vehicle packaging box;

the folding paddle is characterized in that the paddle support is fixed on the motor of the unmanned aerial vehicle, and paddles can be folded for reducing the size of a transport packaging box, so that the folding paddle has the defects of complex structure and heavy mass, and can obviously increase the vibration of an airplane;

the quick-dismantling paddle can be quickly dismantled with the motor of the unmanned aerial vehicle, so that the transportation size can be reduced, and the structure is relatively simple; however, the existing quick-dismantling blade is complex in disassembly and assembly, and small parts are too many and are easy to lose in the disassembly and assembly and transportation processes.

In view of this, this application is especially proposed in order to solve above-mentioned quick detach oar dismouting complicacy, little part many problems.

Disclosure of Invention

The utility model aims to provide a quick dismounting mechanism for a propeller of an unmanned aerial vehicle, which is used for solving the problems of complex dismounting and more small parts of quick dismounting paddles of the unmanned aerial vehicle in the prior art.

In order to solve the technical problems, the utility model adopts the following scheme:

the utility model provides a quick dismounting mechanism of an unmanned aerial vehicle propeller, which comprises a propeller main body, a motor, a support arranged at the output end of the motor, and a locking piece for pressing the propeller main body on the top of the support, wherein the locking piece penetrates through the propeller main body and is in threaded connection with the support.

In some alternative embodiments, the propeller further comprises a gasket and a retainer ring sleeved on the locking member, wherein the gasket and the retainer ring are respectively positioned above and below the propeller main body.

In some optional embodiments, the propeller main body is provided with a mounting hole, the locking member includes a mounting shaft section, an annular retainer ring mounting groove is formed in the bottom of the mounting shaft section, and the gasket and the retainer ring are respectively sleeved on the top and the bottom of the mounting shaft section.

In some alternative embodiments, the locking member further comprises a quick release head integrally connected to the top of the mounting shaft section, the quick release head having a conical shape and a bullet nose conical shape.

In some alternative embodiments, the quick release head is provided with a mounting and dismounting hole for air flow through and quick release of the locking member.

In some alternative embodiments, the locking member further comprises an expanding section located between the quick release head and the mounting shaft section, the expanding section is in the shape of a circular truncated cone, and the gasket is located at the bottom of the expanding section.

In some alternative embodiments, the support top is provided with a threaded hole, and the locking member further comprises a locking threaded post adapted to the threaded hole of the support top, the locking threaded post being located at the bottom of the mounting shaft section.

In some alternative embodiments, the support top is provided with a support threaded post and the bottom of the mounting shaft section is provided with a threaded hole that mates with the support threaded post.

In some alternative embodiments, the shape of the gasket is a truncated cone shape, and a gasket anti-skid groove for increasing friction resistance is arranged on the bottom surface of the gasket; the support top surface is provided with the support anti-skidding groove that is used for increasing frictional resistance.

The utility model has the beneficial effects that:

the utility model relates to a quick dismounting mechanism for a propeller of an unmanned aerial vehicle, which comprises a propeller main body, a motor, a support arranged at the output end of the motor, and a locking piece for pressing the propeller main body on the top of the support, wherein the locking piece penetrates through the propeller main body and is in threaded connection with the support.

The effect is as follows: through setting up with motor output fixed connection's support to and support threaded connection's retaining member, can make behind the retaining member run through the screw main part compress tightly it at the support top, thereby make the screw main part by locking between support and retaining member, accomplish the quick installation of screw, when dismantling the screw, rotatory retaining member, unpack support and retaining member, follow the retaining member and take out the dismantlement that can accomplish the screw from the screw afterwards. Compared with the dismounting structure of the quick-dismantling oar in the prior art, the dismounting structure has fewer parts and is more convenient to dismount.

Drawings

FIG. 1 is a schematic view of a three-dimensional exploded structure of embodiment 1 of the present utility model;

fig. 2 is a schematic view of a perspective exploded view of embodiment 1 of the present utility model;

FIG. 3 is a schematic perspective view of a gasket according to embodiment 1 of the present utility model;

fig. 4 is a schematic perspective view of a locking member according to embodiment 1 of the present utility model;

FIG. 5 is a schematic perspective view of a stand according to embodiment 1 of the present utility model;

FIG. 6 is a schematic sectional view of the assembled structure of embodiment 1 of the present utility model;

FIG. 7 is a schematic view of a three-dimensional exploded structure of embodiment 2 of the present utility model;

fig. 8 is a schematic view of a perspective exploded structure according to another view of embodiment 2 of the present utility model;

fig. 9 is a schematic perspective view of a quick release support according to embodiment 2 of the present utility model;

fig. 10 is a schematic perspective view of a locking member according to embodiment 2 of the present utility model;

fig. 11 is a schematic sectional view of the assembled structure of embodiment 2 of the present utility model.

Reference numerals illustrate:

the novel screw propeller comprises a 1-screw propeller main body, a 2-motor, a 3-gasket, a 31-drag reduction curved surface, a 32-gasket anti-slip groove, a 4-retainer ring, a 5-support, a 51-support anti-slip groove, a 52-support threaded column and a 6-locking piece. The quick-release head is 61-62-mounting shaft section, 63-retainer ring mounting groove, 64-dismounting hole, 65-expanding section and 66-locking threaded column.

Detailed Description

The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "configured," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model is described in detail below by reference to the attached drawings and in connection with the embodiments:

example 1:

as shown in fig. 1 to 6, the present embodiment provides a fast dismounting mechanism for a propeller of an unmanned aerial vehicle, which comprises a propeller main body 1, a motor 2, a support 5 arranged at the output end of the motor 2, and a locking member 6 for pressing the propeller main body 1 on the top of the support 5, wherein the locking member 6 penetrates through the propeller main body 1 and is in threaded connection with the support 5.

According to the embodiment, through the support 5 fixedly connected with the output end of the motor 2 and the locking piece 6 in threaded connection with the support 5, the locking piece 6 penetrates through the propeller main body 1 and then is tightly pressed on the top of the support 5, so that the propeller main body 1 is locked between the support 5 and the locking piece 6, the propeller is quickly installed, when the propeller is detached, the locking piece 6 is rotated, the support 5 and the locking piece 6 are detached, and then the locking piece 6 is pulled out from the propeller, so that the propeller can be detached. Compared with the dismounting structure of the quick-dismantling oar in the prior art, the dismounting structure has fewer parts and is more convenient to dismount.

In this embodiment, the support 5 is fixedly connected to the output end of the motor 2 by means of bolts, and in some embodiments the support 5 may be welded to the output end of the motor 2.

In some alternative embodiments, as shown in fig. 3, 2, 5 and 6, the propeller further comprises a gasket 3 and a retainer ring 4 sleeved on the locking member 6, and the gasket 3 and the retainer ring 4 are respectively located above and below the propeller main body 1. By providing the spacer 3, the locking head of the locking member 6 can be separated from the propeller main body 1, and the top of the propeller main body 1 can be protected. By providing the retainer ring 4, the locking member 6 can be locked to the propeller main body 1, so that the locking member 6, the gasket 3 and the propeller main body 1 are integrated. The retainer ring 4 in the embodiment is a steel wire retainer ring 4 for a shaft and is a national standard GB895.2 standard retainer ring 4.

In some alternative embodiments, the propeller main body 1 is provided with a mounting hole, the locking member 6 comprises a mounting shaft section, the bottom of the mounting shaft section is provided with an annular retainer ring 4 mounting groove, and the gasket 3 and the retainer ring 4 are respectively sleeved at the top and the bottom of the mounting shaft section. In this embodiment, the fit between the mounting shaft section and the mounting hole of the propeller main body 1 is a tight fit, so as to ensure that the locking member 6 rotates coaxially with the propeller main body 1. In this embodiment, the gasket 3 is in clearance fit with the mounting shaft section, so that smooth rotation of the locking member 6 during assembly and disassembly of the propeller main body 1 is ensured.

In some alternative embodiments, the locking member 6 further comprises a quick-release head integrally connected to the top of the mounting shaft section, and the quick-release head has a conical shape and a bullet-nose conical shape. In this embodiment, as shown in fig. 4, the quick-release head is in a bullet-shaped cone, and the bullet-shaped cone can reduce wind resistance and vibration generated when the propeller main body 1 rotates at a high speed.

In some alternative embodiments, the quick release head is provided with a mounting hole for air flow through and quick release of the locking member 6. As shown in fig. 4, the dismounting hole is formed in the quick-release head, so that the air flow can pass through the screw main body 1 when the screw main body rotates at a high speed, and in addition, the quick-release head is bullet-shaped, so that the dismounting hole is formed to facilitate the insertion of a tool therein, and the screw main body 1 can be dismounted quickly.

In some alternative embodiments, the locking member 6 further includes an expanding section between the quick-release head and the mounting shaft section, the expanding section is in a shape of a truncated cone, and the gasket 3 is located at the bottom of the expanding section. By providing the diameter-enlarging section, as shown in fig. 4 and 6, the area of the top of the spacer 3 can be enlarged to make the stress more uniform, and in addition, the diameter-enlarging section is in a truncated cone shape, so that the wind resistance of the main body 1 of the propeller during rotation can be reduced.

In some alternative embodiments, the top of the support 5 is provided with a threaded hole, and the locking member 6 further includes a locking threaded post adapted to the threaded hole on the top of the support 5, and the locking threaded post is located at the bottom of the mounting shaft section.

In some alternative embodiments, as shown in fig. 3 and 5, the shape of the pad 3 is a truncated cone shape, and the bottom surface of the pad 3 is provided with a pad anti-skid groove 32 for increasing friction resistance; the top surface of the holder 5 is provided with a holder anti-slip groove 51 for increasing frictional resistance. The spacer 3 has a truncated cone shape to reduce wind resistance of the propeller body 1 when rotating. The bottom surface of gasket 3 sets up gasket anti-skidding groove 32, can increase the frictional resistance between gasket 3 and the top of screw main part 1, avoids skidding, and support 5 top surface sets up support anti-skidding groove 51, can increase the frictional resistance between support 5 and the bottom of screw main part 1, avoids skidding.

The use flow of this embodiment is as follows:

as shown in fig. 2, before use, the support 5 and the output end of the motor 2 are fixed by means of bolts, screws, etc., and the screw propeller main body 1 does not need to be disassembled in the subsequent process of disassembly.

When the propeller main body 1 is installed, the gasket 3 is placed above the propeller main body 1, then the locking piece 6 is inserted into the installation hole of the propeller main body 1, then the retainer ring 4 is installed in the retainer ring 4 installation groove of the installation shaft section, at this time, the state of the embodiment is as shown in fig. 2, then the locking threaded column of the locking piece 6 is aligned with the threaded hole at the top of the support 5, and the locking piece 6 is rotated in the locking direction by inserting a tool into the dismounting hole of the quick-release head. The locking piece 6 is used for pressing the propeller main body 1 on the support 5, so that the installation and locking of the propeller main body 1 can be realized, and at the moment, the sectional view of the state of the embodiment is shown in fig. 6; when the propeller main body 1 is disassembled, the locking piece 6 is driven by a tool to be inserted into the disassembly hole of the quick disassembly head, so that the locking piece 6 rotates in the disassembly direction, then the retainer ring 4 is disassembled, and the locking piece 6 is pulled out of the installation hole of the propeller main body 1, so that the disassembly can be completed.

Therefore, when the propeller main body 1 is dismounted in this embodiment, only the locking member 6 needs to be driven to rotate, and then the gasket 3 and the retainer ring 4 are mounted or dismounted, so that the propeller main body 1 can be mounted or dismounted, and compared with the existing quick-dismantling propeller, the dismounting is convenient, the number of small parts required to be dismounted is small, and the parts are not easy to lose in the dismounting and transporting processes.

Example 2:

as shown in fig. 9 to 10, in this embodiment, the top of the support 5 is provided with a support threaded post 52, and the bottom of the mounting shaft section is provided with a threaded hole that is adapted to the support threaded post 52.

The rest of the structure in this embodiment is the same as that of embodiment 1, and will not be described here again.

As shown in fig. 7 and 8, before use, the support 5 and the output end of the motor 2 are fixed by means of bolts, screws, etc., and the screw main body 1 does not need to be detached in the subsequent process of detaching.

When the propeller body 1 is mounted, the gasket 3 is placed above the propeller body 1, then the locking member 6 is inserted into the mounting hole of the propeller body 1, then the retainer ring 4 is mounted in the retainer ring 4 mounting groove of the mounting shaft section, at this time, as shown in fig. 8, the state of the embodiment is that the support screw thread post 52 of the support 5 is aligned with the screw hole at the bottom of the locking member 6, and then the locking member 6 is rotated in the locking direction by inserting a tool into the dismounting hole of the quick release head. The locking member 6 is used for pressing the propeller main body 1 on the support 5, so that the installation and locking of the propeller main body 1 can be realized, and at this time, the sectional view of the state of the embodiment is shown in fig. 11; when the propeller main body 1 is disassembled, the locking piece 6 is driven by a tool to be inserted into the disassembly hole of the quick disassembly head, so that the locking piece 6 rotates in the disassembly direction, then the retainer ring 4 is disassembled, and the locking piece 6 is pulled out of the installation hole of the propeller main body 1, so that the disassembly can be completed.

It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.

Claims

1. The utility model provides an unmanned aerial vehicle screw quick assembly disassembly mechanism, includes screw main part (1) and motor (2), its characterized in that still includes support (5) that set up on motor (2) output to and be used for compressing tightly retaining member (6) at support (5) top with screw main part (1), retaining member (6) run through screw main part (1) and with support (5) threaded connection.

2. The unmanned aerial vehicle propeller quick assembly disassembly mechanism according to claim 1, further comprising a gasket (3) and a retainer ring (4) which are sleeved on the locking piece (6), wherein the gasket (3) and the retainer ring (4) are respectively located above and below the propeller main body (1).

3. The unmanned aerial vehicle screw quick assembly disassembly mechanism according to claim 2, wherein the screw main body (1) is provided with a mounting hole, the locking piece (6) comprises a mounting shaft section, the bottom of the mounting shaft section is provided with an annular retainer ring (4) mounting groove, and the gasket (3) and the retainer ring (4) are respectively sleeved at the top and the bottom of the mounting shaft section.

4. A fast dismounting mechanism for a propeller of an unmanned aerial vehicle according to claim 3, wherein the locking member (6) further comprises a fast dismounting head which is arranged at the top of the mounting shaft section and integrally connected with the mounting shaft section, and the shape of the fast dismounting head comprises a conical shape and a bullet nose cone shape.

5. The unmanned aerial vehicle propeller quick assembly disassembly mechanism of claim 4, wherein the quick assembly disassembly head is provided with a disassembly hole for quickly assembling and disassembling the locking piece (6).

6. The unmanned aerial vehicle propeller quick assembly disassembly mechanism according to claim 4, wherein the locking member (6) further comprises an expanding section which is positioned between the quick assembly disassembly head and the mounting shaft section, the expanding section is in a circular truncated cone shape, and the gasket (3) is positioned at the bottom of the expanding section.

7. The unmanned aerial vehicle screw quick assembly disassembly mechanism according to claim 4, wherein the top of the support (5) is provided with a threaded hole, and the locking piece (6) further comprises a locking threaded column adapted to the threaded hole at the top of the support (5), and the locking threaded column is located at the bottom of the mounting shaft section.

8. The unmanned aerial vehicle propeller quick assembly disassembly mechanism according to claim 4, wherein the support (5) is provided with a support screw post (52) at the top, and the bottom of the mounting shaft section is provided with a threaded hole adapted to the support screw post (52).

9. The unmanned aerial vehicle propeller quick dismounting mechanism according to claim 2, wherein the shape of the gasket (3) is a round table shape, and a gasket anti-skid groove (32) for increasing friction resistance is arranged on the bottom surface of the gasket (3); the top surface of the support (5) is provided with a support anti-skid groove (51) for increasing friction resistance.