CN215323259U - Folding oar subassembly and aircraft - Google Patents

Abstract

The utility model discloses a folding paddle assembly and an aircraft, wherein the aircraft comprises the folding paddle assembly, the folding paddle assembly comprises a paddle clamp, a paddle, a hard gasket and an elastic piece, the paddle is rotationally connected with the paddle clamp, the hard gasket is clamped between the paddle and the paddle clamp, and the elastic piece is clamped between the hard gasket and the paddle clamp and can enable the hard gasket to be abutted against the paddle. The utility model can reduce the precision requirement on the installation size of the hard gasket, and after the hard gasket is worn, the gap generated by the wear of the hard gasket can be filled by the elastic capacity of the elastic piece, so that the replacement frequency of the hard gasket can be reduced, the durability of the folding paddle assembly can be improved, the consistency of each pair of folding paddles can be ensured, and the paddles can realize better power output.

Description

Folding oar subassembly and aircraft

Technical Field

The utility model relates to the technical field of aircrafts, in particular to a folding paddle assembly and an aircraft.

Background

The folding oar subassembly of aircraft such as current unmanned aerial vehicle, its paddle design usually is for pressing from both sides pivoted connection structure with the oar to can rotate when making folding oar subassembly be in non-user state and receive the fold, reduce the occupation space of folding oar subassembly transportation, and when needs use folding oar subassembly, manual expandes folding oar paddle, utilizes centrifugal force to make the paddle rotate to expande completely and keep opening the state, thereby realizes portablely using. In the existing design, for avoiding the direct wear between paddle and the oar clamp, generally can be provided with the stereoplasm gasket between paddle and oar clamp, adjust the clearance between paddle and the oar clamp through the elasticity of adjusting screw or change stereoplasm gasket to acquire required damping and guarantee to press from both sides the uniformity in clearance between each pair of paddle and oar. However, the requirements for the assembly and the size precision of the folding paddle are high, the size precision cannot be achieved, the gap between the paddle clamp and the paddle is not uniform due to over-tight or over-loose of the adjusted screw, the damping is unstable, the uniformity deviation of the folding paddle is large, and therefore the normal use and the stability of the aircraft are affected, and therefore the damping required by the paddle needs to be obtained again through adjusting the tightness of the screw for many times or replacing a hard gasket, and the uniformity of the gap between each pair of paddles is guaranteed. Moreover, the durability of the folding paddle of the existing design is not high, once the hard gasket is worn, gaps exist in the upper position and the lower position of the fixed paddle, the paddle can shake up and down easily, and the consistency of the gap between the paddle and the paddle clamp is greatly influenced, so that the power output of the paddle and the normal use and stability of an aircraft are influenced, the hard gasket is required to be replaced frequently, the service life of the folding paddle is shortened, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the folding paddle assembly, the rigid gasket is abutted to the paddle through the elastic piece, and the requirement on the mounting size precision of the folding paddles can be reduced, so that the consistency of each pair of folding paddles is ensured, the replacement frequency of the rigid gasket is reduced, and the durability of the folding paddle assembly is improved.

The utility model also provides an aircraft with the folding paddle assembly.

The folding paddle assembly comprises a paddle clamp, a paddle, a hard gasket and an elastic piece, wherein the paddle is rotatably connected to the paddle clamp, the hard gasket is arranged between the paddle and the paddle clamp, and the elastic piece is arranged between the hard gasket and the paddle clamp and can enable the hard gasket to abut against the paddle.

The folding paddle assembly provided by the embodiment of the utility model has at least the following beneficial effects: during the use, the elastic component presss from both sides and arranges in between stereoplasm gasket and the oar clamp, makes stereoplasm gasket butt in the paddle through the elasticity that utilizes the elastic component, because the elastic component has certain compressibility, it can reduce the required precision to stereoplasm gasket mounting dimension, and after the stereoplasm gasket wearing and tearing, the elastic capacity of accessible elastic component fills the clearance that produces because of stereoplasm gasket wearing and tearing, helps guaranteeing the uniformity of every pair of folding oar, reduces the change frequency of stereoplasm gasket, improves the durability of folding oar subassembly.

According to some embodiments of the utility model, the paddle clip comprises a first clip piece and a second clip piece connected with the first clip piece, the paddle is sandwiched between the first clip piece and the second clip piece, and the hard gasket is arranged between the paddle and the first clip piece and/or between the paddle and the second clip piece.

According to some embodiments of the utility model, the paddle clamp further comprises a bolt, the first clamping piece is provided with a first connecting hole, the second clamping piece is provided with a connecting column, the paddle is provided with a second connecting hole matched with the connecting column, the connecting column penetrates through the second connecting hole, and the bolt penetrates through the first connecting hole and is connected with the connecting column.

According to some embodiments of the utility model, a side of the first clip facing the connection post is provided with a positioning slot for the connection post to be inserted into.

According to some embodiments of the present invention, the hard shims are disposed between the paddle and the first clip piece and between the paddle and the second clip piece, and the first clip piece and/or the second clip piece are provided with shim grooves for accommodating the hard shims.

According to some embodiments of the utility model, the second clamping piece is provided with a limiting column, and the limiting column can limit the rotation range of the paddle.

According to some embodiments of the utility model, a side of the first clamping piece facing the limiting column is provided with a positioning hole for inserting the limiting column.

According to some embodiments of the utility model, the resilient member is a resilient soft pad.

The aircraft according to an embodiment of the second aspect of the utility model comprises a folding paddle assembly according to an embodiment of the first aspect of the utility model described above.

The aircraft according to the embodiment of the utility model has at least the following beneficial effects: through adopting foretell folding oar subassembly, it can reduce the required precision to stereoplasm gasket mounting dimension, and the manufacturing of being convenient for is favorable to reducing the change frequency of stereoplasm gasket, reduces use cost, helps guaranteeing the uniformity of every pair of folding oar, makes the paddle can realize better power output.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a folding paddle assembly according to an embodiment of the utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the folding paddle assembly of FIG. 1;

FIG. 4 is an exploded view of the folding paddle assembly of FIG. 1;

fig. 5 is an exploded view of the folding paddle assembly of fig. 4 from another perspective.

Reference numerals:

the oar clamp comprises a paddle clamp 100, a first clamping piece 110, a first connecting hole 111, a positioning groove 112, a positioning hole 113, a second clamping piece 120, a connecting column 121, a gasket groove 122, a limiting column 123, an elastic sleeve 124 and a bolt 130;

paddle 200, second attachment hole 210;

a hard shim 300;

the elastic member 400.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that if an orientation description is referred to, for example, the directions or positional relationships indicated by upper, lower, left, right, etc., are based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, 2 and 3, the folding paddle assembly comprises a paddle clip 100, a paddle 200, a hard gasket 300 and an elastic member 400, wherein the paddle 200 is rotatably connected to the paddle clip 100, the hard gasket 300 is clamped between the paddle 200 and the paddle clip 100, and the elastic member 400 is clamped between the hard gasket 300 and the paddle clip 100 and can enable the hard gasket 300 to abut against the paddle 200.

It can be understood that, as shown in fig. 2, 3 and 4, two paddles 200 are provided, which are respectively provided at the left and right ends of the paddle clip 100 and are rotationally symmetric with respect to the paddle clip 100, and a hard spacer 300 is provided between the paddles 200 and the paddle clip 100. When the folding paddle assembly is used, the elastic piece 400 can be clamped between the hard gasket 300 and the paddle clamp 100, the hard gasket 300 is abutted to the paddle 200 by utilizing the elasticity of the elastic piece 400, the elastic piece 400 has certain compressibility, the precision requirement on the installation size of the hard gasket 300 can be reduced, and after the hard gasket 300 is abraded, the gap generated by abrasion of the hard gasket 300 can be filled by the elastic capacity of the elastic piece 400, so that the replacement frequency of the hard gasket 300 can be reduced, the durability of the folding paddle assembly is improved, the consistency of each pair of folding paddles can be ensured, and the paddle 200 can realize better power output.

In practical applications, the specific structures of the paddle clip 100 and the paddle 200 may be set according to actual needs, and the hard spacers 300 and the elastic members 400 may be set according to specific arrangement conditions of the paddle clip 100 and the paddle 200, which will not be described in detail herein and will be described in detail below.

In some embodiments, the paddle clip 100 includes a first clip 110 and a second clip 120 coupled to the first clip 110, the paddle 200 is sandwiched between the first clip 110 and the second clip 120, and a hard shim 300 is disposed between the paddle 200 and the first clip 110 and/or between the paddle 200 and the second clip 120.

It can be understood that, as shown in fig. 3, 4 and 5, the paddle clip 100 includes a first clamping piece 110 and a second clamping piece 120, the first clamping piece 110 is located above the second clamping piece 120, the first clamping piece 110 is connected with the second clamping piece 120, and the paddle 200 at both ends of the paddle clip 100 is rotatably clamped between the first clamping piece 110 and the second clamping piece 120, so as to achieve the connection between the paddle clip 100 and the paddle 200; in use, the hard spacers 300 may be disposed between the blade 200 and the first clip 110 and/or between the blade 200 and the second clip 120, thereby reducing wear between the blade clip 100 and the blade 200 and improving durability.

In practical applications, the paddle clip 100 may also be an integrated structure, and may be connected to the paddle 200 through a pin structure, the specific connection manner of the first clip 110 and the second clip 120 may be set according to actual needs, and the specific setting condition of the hard gasket 300 may also be changed according to actual needs, which will be described below.

In some embodiments, the paddle clip 100 further includes a bolt 130, the first clamping piece 110 is provided with a first connecting hole 111, the second clamping piece 120 is provided with a connecting column 121, the paddle 200 is provided with a second connecting hole 210 matching with the connecting column 121, the connecting column 121 is inserted through the second connecting hole 210, and the bolt 130 is inserted through the first connecting hole 111 and connected with the connecting column 121.

It can be understood that, as shown in fig. 3, 4 and 5, the two ends of the second clip 120 are respectively provided with a connecting column 121 corresponding to the two paddles 200, the connecting column 121 is provided with a threaded hole, the two ends of the first clip 110 are respectively provided with a first connecting hole 111 corresponding to the two connecting columns 121, the bolt 130 is provided with two bolts and respectively distributed at the two ends of the first clip 110 corresponding to the two first connecting holes 111, when connecting, the connecting column 121 is inserted through the second connecting hole 210 on the corresponding paddle 200, so that the two paddles 200 can rotate relative to the corresponding connecting column 121, the heads of the two bolts 130 are respectively abutted against the upper side of the first clip 110, the stud parts of the two bolts 130 are inserted through the corresponding first connecting holes 111 and are connected with the connecting column 121 through the threaded holes of the connecting column 121, thereby realizing the clamping of the paddles 200 by the first clip 110 and the second clip 120, the structure is simple and reasonable, and the arrangement of the connecting column 121 enhances the structural strength and the connection stability between the paddles 100 and the paddles 200, is convenient for use.

In practical application, the bolt 130 may also directly penetrate through the second connecting hole 210 of the blade 200 to achieve connection between the first clamping piece 110 and the second clamping piece 120 and clamping of the blade 200, and the connecting column 121 may also be provided with a nut to achieve connection with the bolt 130, which may specifically be changed according to actual use requirements, and is not described herein again.

In some embodiments, a positioning groove 112 for inserting the connection column 121 is formed on a side of the first clip 110 facing the connection column 121.

It can be understood that, as shown in fig. 3 and 5, the positioning groove 112 for inserting the connection column 121 is disposed at the lower side of the first clamping piece 110, and when the connection column 121 is inserted into the second connection hole 210, the upper portion of the connection column is inserted into the positioning groove 112, so as to improve the stability and reliability of the connection between the first clamping piece 110 and the second clamping piece 120, and facilitate avoiding the position offset of the first clamping piece 110 and the second clamping piece 120 in the front-back and left-right directions. In practice, the specific size and position of the positioning slot 112 can be set according to the specific structure of the connecting column 121, and those skilled in the art will understand that.

In some embodiments, the hard shims 300 are disposed between the blade 200 and the first clip 110 and between the blade 200 and the second clip 120, and the shim slots 122 for receiving the hard shims 300 are disposed on the first clip 110 and/or the second clip 120.

It can be understood that, as shown in fig. 3, 4 and 5, four hard spacers 300 are provided and distributed at the left and right ends of the paddle clip 100 two by two, and the two hard spacers 300 at the same end of the paddle clip 100 are respectively located at the upper and lower sides of the blade 200, so that the hard spacers 300 are sandwiched between the blade 200 and the first clip sheet 110 and between the blade 200 and the second clip sheet 120, thereby reducing the wear between the blade 200 and the first clip sheet 110 and between the blade 200 and the second clip sheet 120, and improving the durability. The downside of first clamping piece 110 and the upside of second clamping piece 120 all are provided with the gasket groove 122 that supplies the holding of stereoplasm gasket 300, during the connection, the gasket groove 122 of first clamping piece 110 is arranged in to the part of the stereoplasm gasket 300 that lies in between paddle 200 and first clamping piece 110, the gasket groove 122 of second clamping piece 120 is arranged in to the part of the stereoplasm gasket 300 that lies in between paddle 200 and second clamping piece 120, thereby make things convenient for the location setting and the fixing of stereoplasm gasket 300, be favorable to improving the stability and the reliability that set up of stereoplasm gasket 300.

In practical applications, the hard spacers 300 may be only disposed between the blade 200 and the first clip 110 or between the blade 200 and the second clip 120, and may be changed according to practical needs, and those skilled in the art should understand that; the specific size and position of the gasket groove 122 can be set according to the specific arrangement of the hard gasket 300, for example, when the hard gasket 300 is only arranged between the blade 200 and the first clip 110, the gasket groove 122 is provided on the first clip 110, and those skilled in the art can understand this.

In some embodiments, the second jaw 120 is provided with a limiting post 123, and the limiting post 123 can limit the rotation range of the blade 200.

It can be understood that, as shown in fig. 2, fig. 4 and fig. 5, the limiting columns 123 are four and distributed in pairs at the left end and the right end of the second clamping piece 120, and the two limiting columns 123 at the same end of the second clamping piece 120 are arranged at a preset included angle, so that the paddle 200 can be abutted against the limiting columns 123 when being folded and rotated, the limiting columns 123 limit the rotation range of the paddle 200, thereby being beneficial to avoiding mutual interference and collision of the paddle 200 due to excessive rotation, and improving the use reliability.

Further, the elastic sleeve 124 can be sleeved on the limiting column 123, and the elastic sleeve 124 can be a sponge sleeve or a rubber sleeve and the like, so that when the paddle 200 is folded and rotated to the limiting column 123, the collision abrasion between the paddle 200 and the limiting column 123 can be reduced, and the damage to the paddle 200 can be avoided. In practical applications, the specific structure and the setting position of the limiting column 123 may be set according to practical needs, for example, the limiting column may have a cylindrical structure or a prismatic structure, and those skilled in the art should understand that the limiting column may be set according to practical needs.

In some embodiments, a positioning hole 113 for inserting the position-limiting column 123 is formed on a side of the first clamping piece 110 facing the position-limiting column 123.

It can be understood that, as shown in fig. 3, 4 and 5, the lower side of the first clamping piece 110 is provided with a positioning hole 113 for inserting the limiting column 123, and when in connection, the upper part of the limiting column 123 is inserted into the positioning hole 113, so as to improve the stability and reliability of connection between the first clamping piece 110 and the second clamping piece 120, and to facilitate avoiding the position offset of the first clamping piece 110 and the second clamping piece 120 in the front-back and left-right directions. In practical applications, the specific size and position of the positioning hole 113 may be set according to the specific structure of the position-limiting column 123, and those skilled in the art should understand that all these dimensions and positions can be set accordingly.

In some embodiments, the resilient member 400 is a resilient soft pad. It can be understood that, as shown in fig. 3, 4 and 5, the elastic member 400 is an elastic soft gasket, the elastic member 400 is provided with two elastic soft gaskets and respectively distributed at the left and right ends of the paddle clip 100, the elastic member 400 is arranged between the corresponding hard gasket 300 and the first clip 110, when in connection, the elastic member 400 is arranged in the gasket groove 122 of the first clip 110, the hard gasket 300 at the lower side of the first clip 110 is arranged in the gasket groove 122 and forms a clamping of the elastic member 400 with the first clip 110, the elastic member 400, the hard gasket 300, the paddle 200 and the hard gasket 300 are sequentially clamped between the first clip 110 and the second clip 120 from top to bottom, the first clip 110 and the second clip 120 are connected and fixed by the bolt 130, a certain compression is formed on the elastic member 400, the hard gasket 300 at the lower side of the elastic member 400 is abutted to the paddle 200 by the elastic force of the elastic member 400, and the paddle 200 is also abutted to the hard gasket 300 at the lower side thereof, after the hard gasket 300 is worn, the gap generated by the wear of the hard gasket 300 can be filled by the elastic capacity of the elastic piece 400, so that the hard gasket 300 and the paddle 200 can be abutted.

In practical application, the elastic element 400 may be disposed between the hard gasket 300 and the second clamping piece 120 on the lower side of the paddle 200, or the elastic element 400 may be disposed between the hard gasket 300 on the upper side of the paddle 200 and the first clamping piece 110 and between the hard gasket 300 on the lower side of the paddle 200 and the second clamping piece 120, the elastic element 400 may be a rubber soft gasket, and besides the elastic soft gasket, the elastic element 400 may be an elastic metal gasket, a spring structure, or the like, which may be changed according to actual use requirements.

An aircraft according to an embodiment of the second aspect of the utility model comprises a folding paddle assembly according to an embodiment of the first aspect of the utility model described above.

According to the aircraft provided by the embodiment of the utility model, by adopting the folding paddle assembly, the precision requirement on the installation size of the hard gasket 300 can be reduced, the production and the manufacture are convenient, the replacement frequency of the hard gasket 300 is favorably reduced, the use cost is reduced, the consistency of each pair of folding paddles can be ensured, and the blades 200 can realize better power output.

Since other configurations of the aircraft of embodiments of the present invention are known to those of ordinary skill in the art, they will not be described in detail herein.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (9)

1. A folding paddle assembly, comprising:

a paddle clip (100);

a paddle (200), the paddle (200) being rotationally connected to the paddle clip (100);

a hard shim (300), the hard shim (300) being sandwiched between the paddle (200) and the paddle clip (100);

an elastic member (400), the elastic member (400) being interposed between the hard spacer (300) and the paddle clip (100) and capable of abutting the hard spacer (300) against the paddle (200).

2. The folding paddle assembly of claim 1,

the oar presss from both sides (100) including first clamping piece (110) and with second clamping piece (120) that first clamping piece (110) are connected, paddle (200) are pressed from both sides and are arranged in first clamping piece (110) with between second clamping piece (120), paddle (200) with between first clamping piece (110) and/or paddle (200) with be provided with between second clamping piece (120) stereoplasm gasket (300).

3. The folding paddle assembly of claim 2,

oar presss from both sides (100) still includes bolt (130), be equipped with first connecting hole (111) on first clamping piece (110), be equipped with spliced pole (121) on second clamping piece (120), be equipped with on paddle (200) with second connecting hole (210) of spliced pole (121) looks adaptation, spliced pole (121) are worn to establish second connecting hole (210), bolt (130) are worn to establish first connecting hole (111) and with spliced pole (121) are connected.

4. The folding paddle assembly of claim 3,

one side of the first clamping piece (110) facing the connecting column (121) is provided with a positioning groove (112) for the connecting column (121) to insert.

5. The folding paddle assembly of claim 2,

the hard gasket (300) is arranged between the paddle (200) and the first clamping piece (110) and between the paddle (200) and the second clamping piece (120), and gasket grooves (122) for accommodating the hard gasket (300) are formed in the first clamping piece (110) and/or the second clamping piece (120).

6. The folding paddle assembly of claim 2,

the second clamping piece (120) is provided with a limiting column (123), and the limiting column (123) can limit the rotation range of the paddle (200).

7. The folding paddle assembly of claim 6,

one side of the first clamping piece (110) facing the limiting column (123) is provided with a positioning hole (113) for the limiting column (123) to insert into.

8. The folding paddle assembly of claim 1,

the elastic piece (400) is an elastic soft gasket.

9. An aircraft comprising a folding paddle assembly according to any of claims 1 to 8.

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