CN216580973U - Arm folding mechanism and unmanned aerial vehicle - Google Patents
Arm folding mechanism and unmanned aerial vehicle Download PDFInfo
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- CN216580973U CN216580973U CN202123447547.0U CN202123447547U CN216580973U CN 216580973 U CN216580973 U CN 216580973U CN 202123447547 U CN202123447547 U CN 202123447547U CN 216580973 U CN216580973 U CN 216580973U
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Abstract
The utility model discloses an arm folding mechanism and unmanned aerial vehicle, arm folding mechanism includes base, folding seat, axis of rotation spare and damping piece, and the base includes bottom and first connecting portion, bottom and first connecting portion fixed connection, the base is used for being connected with the organism assembly; the folding seat comprises an assembling part and a second connecting part, the assembling part is fixedly connected with the second connecting part, and the second connecting part is used for being assembled and connected with the machine arm; the rotating shaft is connected with the first connecting part and the second connecting part so as to enable the folding seat to be rotatably connected with the base; the damping piece has a bar opening that is used for breaking off the damping piece, and the damping piece cup joints in the axis of rotation spare to it is fixed with first connecting portion or second connecting portion circumference. Damping spare has the effect that the damping axle produced promptly among this application scheme, again because simple structure, the cost of manufacture is lower, and unmanned aerial vehicle cost of manufacture is low.
Description
Technical Field
The utility model relates to an unmanned aerial vehicle's technical field especially relates to an arm folding mechanism and unmanned aerial vehicle.
Background
Among the correlation technique, unmanned aerial vehicle includes organism and horn, and the horn rotates with the organism to be connected to make the horn fold to one side of organism, and then make unmanned aerial vehicle occupy less space, from this, unmanned aerial vehicle accomodates, carries more conveniently. In order to keep the horn to fold condition, be provided with the damping axle of adaptation between horn and the organism, however damping axle cost of manufacture is higher, leads to unmanned aerial vehicle's cost of manufacture to be higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an arm folding mechanism can reduce unmanned aerial vehicle's cost of manufacture.
The utility model discloses still provide an unmanned aerial vehicle with above-mentioned horn folding mechanism.
According to the utility model discloses horn folding mechanism, include:
the base comprises a bottom part and a first connecting part, the bottom part is fixedly connected with the first connecting part, and the base is used for being assembled and connected with the machine body;
the folding seat comprises an assembling part and a second connecting part, the assembling part is fixedly connected with the second connecting part, and the second connecting part is used for being assembled and connected with the machine arm;
the rotating shaft is connected with the first connecting part and the second connecting part so as to enable the folding seat to be rotatably connected with the base;
the damping piece is provided with a strip-shaped opening used for disconnecting the damping piece, and the damping piece is rotatably sleeved on the rotating shaft piece and circumferentially fixed with the first connecting part or the second connecting part.
According to the utility model discloses horn folding mechanism has following beneficial effect at least: adopt the damping axle among the prior art for, this application scheme adopts annular damping piece, utilizes the internal peripheral surface of damping piece and the frictional force between the rotation axis spare to realize that the horn keeps for folding effect. It is from top to bottom visible, damping piece has the effect that the damping axle produced promptly in this application scheme, again because simple structure, the cost of manufacture is lower, and unmanned aerial vehicle cost of manufacture is low.
According to some embodiments of the invention, the rotational member is fixedly connected to the first connecting portion and rotatably connected to the second connecting portion, and the damping member is circumferentially fixed to the second connecting portion; or, the rotating shaft part is fixedly connected with the second connecting part and is rotatably connected with the first connecting part, and the damping part is circumferentially fixed with the first connecting part.
According to some embodiments of the invention, the first connection portion is a lug and the second connection portion is a sleeve; the first connecting part is a sleeve, and the second connecting part is a lug; the damping piece is sleeved on the rotating shaft and circumferentially fixed with the sleeve piece.
According to some embodiments of the invention, the damping member has two, one the damping member is assembled between one end of the sleeve member and one the lug, the other the damping member is assembled between the other end of the sleeve member and the other the lug, the damping member is a high precision part.
According to some embodiments of the present invention, the inner peripheral surface of the sleeve has an annular step surface, and the damping member is disposed inside the sleeve and abuts between the step surface and the lug; wherein the inner peripheral surface of the sleeve member is circumferentially fixed to the outer peripheral surface of the damping member.
According to some embodiments of the invention, the outer circumferential surface of the damping member has a first fitting plane, and the inner circumferential surface of the sleeve member has a second fitting plane matching the first fitting plane; or, the exterior of the damping piece is provided with a bulge, and the interior of the sleeve piece is provided with a groove matched with the bulge.
According to some embodiments of the utility model, the axis of rotation piece includes bolt and nut, the screw rod of bolt is worn to locate two the lug and the external member, the nut with bolt threaded connection, wherein, the nut and one of bolt the lateral surface counterbalance of lug, the nut with another the lateral surface counterbalance of lug.
According to some embodiments of the present invention, the base further comprises a first sub-portion splicing portion, the first sub-portion splicing portion is fixedly connected to the bottom portion; the folding seat further comprises a second sub-part splicing part, and the second sub-part splicing part is fixedly connected with the assembling part; the horn folding mechanism further comprises a locking sleeve, when the folding seat is unfolded, the first sub-portion splicing portion and the second sub-portion splicing portion are spliced together to form a splicing piece, and the locking sleeve is connected to the splicing piece in a sleeved mode.
According to some embodiments of the invention, the side of the first sub-portion splicing portion has an external thread, the side of the second sub-portion splicing portion has an external thread, and the inner wall of the locking sleeve has an internal thread matching the external thread.
According to the utility model discloses unmanned aerial vehicle, include:
a body;
a horn;
in the arm folding mechanism, the base is assembled and connected with the body of the machine body, and one end of the arm is assembled and connected with the folding seat.
According to the utility model discloses unmanned aerial vehicle has following beneficial effect at least: unmanned aerial vehicle's horn adopts foretell horn folding mechanism to be connected with the organism, so, because the inner peripheral surface of damping piece has great frictional force with the global of axis of rotation spare, so frictional force between base and the folding seat is great, and this frictional force can make the horn keep for fold condition.
Additional aspects and advantages of the invention 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 invention.
Drawings
The invention will be further described with reference to the following drawings and examples, in which:
fig. 1 is an opening schematic view of a folding mechanism of a machine arm according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of the folding mechanism of the boom according to the embodiment of the present invention;
fig. 3 is a folding schematic diagram of the folding mechanism of the horn according to the embodiment of the present invention.
Reference numerals:
the folding mechanism 100 of the horn, the base 110, the bottom 111, the lug 112, the first sub-portion splicing portion 113, the folding seat 120, the assembling portion 121, the sleeve member 122, the step surface 1221, the groove 1222, the second sub-portion splicing portion 123, the damping member 130, the protrusion 131, the strip-shaped opening 132, the rotating shaft member 140, the bolt 141, the nut 142 and the locking sleeve 150;
a body 200;
a horn 300.
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 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 exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and 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.
In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. 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 there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
According to the utility model discloses a horn folding mechanism 100, refer to fig. 1 and fig. 2, be applied to unmanned aerial vehicle, unmanned aerial vehicle includes organism 200 and horn 300, wherein, horn folding mechanism 100 includes base 110, folding seat 120, rotating shaft 140 and damping member 130, base 110 includes bottom 111 and first connecting portion (lug 112 described below), bottom 111 and first connecting portion fixed connection, base 110 is used for assembling with organism 200 and is connected; the folding seat 120 includes a mounting portion 121 and a second connecting portion (a sleeve 122 described below), the mounting portion 121 is fixedly connected with the second connecting portion, and the second connecting portion is used for being mounted and connected with the horn 300; the rotating shaft 140 is connected to the first connecting portion and the second connecting portion, so that the folding seat 120 is rotatably connected to the base 110; the damping member 130 has a strip-shaped opening 132 for disconnecting the damping member 130, and the damping member 130 is sleeved on the rotating shaft member 140 and circumferentially fixed to the first connection portion or the second connection portion.
Specifically, the bottom 111 of the base 110 is assembled to the body of the machine body 200, the arm 300 is assembled to the folding base 120, and the folding base 120 is rotatably connected to the base 110 by the rotating shaft 140, whereby the arm 300 is rotatably connected to the body of the machine body 200. Through the arrangement of the damping member 130, the inner circumferential surface of the damping member 130 is sleeved on the outer wall of the rotating shaft member 140, and the outer circumferential surface of the damping member 130 is circumferentially fixed to the first connecting portion or the second connecting portion. Since the inner circumferential surface of the damper 130 and the outer circumferential surface of the rotation shaft 140 have a large frictional force, the frictional force between the base 110 and the folder 120 is large, and the horn 300 can be maintained in the folded state by the frictional force.
It can be understood that, compared to the prior art that employs a damping shaft, the present embodiment employs the ring-shaped damping member 130, and utilizes the friction between the inner circumferential surface of the damping member 130 and the rotation shaft member 140, thereby achieving the effect of maintaining the folding of the horn 300. It is from top to bottom visible, damping piece 130 has the effect that the damping axle produced promptly in this application scheme, again because simple structure, the cost of manufacture is lower, and unmanned aerial vehicle cost of manufacture is low. It should be noted that the damping member 130 has a strip-shaped opening 132 for disconnecting the damping member 130, so that during the rotation of the horn 300, the strip-shaped opening 132 of the damping member 130 becomes larger, and the friction between the damping member 130 and the rotating shaft member 140 is reduced, thereby avoiding that the horn 300 is difficult to rotate due to the larger friction between the damping member 130 and the rotating shaft member 140; when the horn 300 is not rotated, the bar-shaped opening 132 is reset to the original size, thereby ensuring that a large frictional force is generated between the damping member 130 and the rotating shaft member 140, and thus the horn 300 maintains a certain posture.
In some embodiments, the first connecting portion is a lug 112 fixedly connected to the bottom portion 111, and the lugs 112 are disposed in two and oppositely; the second connecting portion is a sleeve 122 fixedly connected to the mounting portion 121, the sleeve 122 is located between the two lugs 112, one end of the sleeve 122 is disposed opposite to the inner side of one lug 112, and the other end of the sleeve 122 is disposed opposite to the inner side of the other lug 112. The rotating shaft 140 sequentially penetrates through one lug 112, the sleeve 122 and the other lug 112, and is fixedly connected with the two lugs 112, and the sleeve 122 is rotatably sleeved outside the rotating shaft 140. The damping member 130 is sleeved on the rotating shaft member 140 and circumferentially fixed with the sleeve member 122.
It will be appreciated that, as an alternative to the above, the second connection portion is the lug 112 and the first connection portion is the sleeve 122, which will not be described in detail.
In some embodiments, there are two damping members 130, one damping member 130 is mounted between one end of the sleeve 122 and one lug 112, and the other damping member 130 is mounted between the other end of the sleeve 122 and the other lug 112, so as to ensure a sufficient frictional force between the rotating shaft member 140 and the sleeve 122.
It should be noted that the damping member 130 is a high-precision component, and the high-precision components are respectively mounted at both ends of the sleeve 122, so that the lug 112 is precisely matched with the sleeve 122, and further the base 110 is precisely matched with the folding seat 120, and thus the arm 300 is precisely matched with the machine body 200.
Furthermore, annular step surfaces 1221 are arranged in two end portions of the sleeve 122, the damping member 130 is completely arranged in the sleeve 122, one end surface of the damping member 130 abuts against the annular step surface 1221, and the other end surface of the damping member 130 abuts against the inner side surface of the corresponding lug 112; the inner circumferential surface of the sleeve 122 and the outer circumferential surface of the damper 130 are circumferentially fixed. As can be seen from the above, the damping member 130 is assembled inside the sleeve 122, i.e. the damping member 130 is hidden, so that the horn folding mechanism 100 can be assembled compactly, and circumferential fixing of the damping member 130 and the sleeve 122 is facilitated.
Further, the exterior of the damping member 130 has a protrusion 131, the interior of the sleeve member 122 has a groove 1222, and the protrusion 131 is fitted in the groove 1222, so that the exterior of the damping member 130 is circumferentially fixed with the interior of the sleeve member 122, thereby rotating the sleeve member 122 of the folding seat 120 and the damping member 130 synchronously around the rotating shaft member 140.
As an alternative to the connection manner between the external member 122 and the damping member 130, an outer circumferential surface of the damping member 130 has a first attaching plane (not shown in the figure), an inner circumferential surface of the external member 122 has a second attaching plane, and the first attaching plane and the second attaching plane are attached to each other, so as to achieve circumferential fixation between the damping member 130 and the external member 122.
In some embodiments, the rotating shaft 140 includes a bolt 141 and a nut 142, a screw of the bolt 141 is disposed through the two lugs 112 and the sleeve 122, a nut of the bolt 141 abuts against an outer side surface of one lug 112, and the other nut 142 abuts against an outer side surface of the other lug 112, so that the rotating shaft 140 is fixed on the two lugs 112.
In some embodiments, referring to fig. 2 and 3, the base 110 further includes a first sub-portion splicing portion 113, and one end of the first sub-portion splicing portion 113 is fixedly connected to the bottom 111; the folding seat 120 further has a second sub-portion splicing part 123, and one end of the second sub-portion splicing part 123 is fixedly connected with the assembling part 121; when the arm folding mechanism 100 is unfolded, one side surface of the first sub-portion splicing portion 113 is abutted with one side surface of the second sub-portion splicing portion 123, so that the first sub-portion splicing portion 113 and the second sub-portion splicing portion 123 are spliced together to form a splicing piece; meanwhile, the horn folding mechanism 100 further includes a locking sleeve 150, and the locking sleeve 150 is sleeved outside the splicing member, so that the first sub-portion splicing portion 113 and the second sub-portion splicing portion 123 are kept in a butt joint state, and the horn folding mechanism 100 is in an unfolding state. When the locking sleeve 150 is disengaged from the first sub-portion splicing portion 113, the second sub-portion splicing portion 123 is disengaged from the restriction of the first sub-portion splicing portion 113, and the folding seat 120 can rotate around the rotating shaft 140, so that the arm 300 is in a folded state.
Furthermore, the side of the first sub-portion splicing portion 113 has an external thread, the side of the second sub-portion splicing portion 123 also has an external thread, and the inner wall of the locking sleeve 150 has an internal thread matched with the external thread, so that the locking sleeve 150 is sleeved on the outside of the first sub-portion splicing portion 113 and the second sub-portion splicing portion 123 and is in threaded connection with the first sub-portion splicing portion 113 and the second sub-portion splicing portion 123, so that the first sub-portion splicing portion 113 and the second sub-portion splicing portion 123 are firmly maintained in a butt joint state, and the horn 300 is firmly maintained in an unfolded state.
According to the utility model discloses an unmanned aerial vehicle in the second aspect, including organism 200, horn 300 and foretell horn folding mechanism 100, wherein, base 110 assembles in the fuselage of organism 200, and horn 300 assembles in folding seat 120. Specifically, the arm 300 of the unmanned aerial vehicle is connected to the body 200 by using the arm folding mechanism 100, so that the inner circumferential surface of the damping member 130 and the circumferential surface of the rotating shaft member 140 have a large friction force, and thus the friction force between the base 110 and the folding seat 120 is large, and the arm 300 can be maintained in the folded state by the friction force.
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 without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
Claims (10)
1. Horn folding mechanism is applied to unmanned aerial vehicle, unmanned aerial vehicle includes organism and horn, its characterized in that includes:
the base comprises a bottom part and a first connecting part, the bottom part is fixedly connected with the first connecting part, and the base is used for being assembled and connected with the machine body;
the folding seat comprises an assembling part and a second connecting part, the assembling part is fixedly connected with the second connecting part, and the second connecting part is used for being assembled and connected with the machine arm;
the rotating shaft is connected with the first connecting part and the second connecting part so as to enable the folding seat to be rotatably connected with the base;
the damping piece is provided with a strip-shaped opening used for disconnecting the damping piece, and the damping piece is rotatably sleeved on the rotating shaft piece and circumferentially fixed with the first connecting part or the second connecting part.
2. The horn folding mechanism of claim 1 wherein said pivot member is fixedly connected to said first connecting portion and rotatably connected to said second connecting portion, said damping member being circumferentially fixed to said second connecting portion;
or the like, or, alternatively,
the rotating shaft piece is fixedly connected with the second connecting portion and rotatably connected with the first connecting portion, and the damping piece is circumferentially fixed with the first connecting portion.
3. The horn folding mechanism of claim 2 wherein said first connecting portion is a lug and said second connecting portion is a sleeve; or, the first connecting part is a sleeve, and the second connecting part is a lug;
the damping device comprises a rotating shaft, a sleeve piece, a damping piece and a sleeve piece, wherein the number of the lugs is two, the sleeve piece is located between the two lugs, the rotating shaft is fixedly connected with the two lugs, the sleeve piece is rotatably connected with the rotating shaft, and the damping piece is sleeved on the rotating shaft and circumferentially fixed with the sleeve piece.
4. The horn folding mechanism of claim 3 wherein said damping member has two, one said damping member being fitted between one end of said sleeve member and one said lug, the other said damping member being fitted between the other end of said sleeve member and the other said lug, said damping member being a high precision part.
5. The horn folding mechanism according to claim 3, wherein an inner peripheral surface of said sleeve has an annular step surface, and said damper is disposed inside said sleeve and abuts between said step surface and said lug; wherein the inner peripheral surface of the sleeve member is circumferentially fixed to the outer peripheral surface of the damping member.
6. The horn folding mechanism of claim 5, wherein the outer peripheral surface of said damping member has a first flat surface of abutment, and the inner peripheral surface of said sleeve member has a second flat surface of abutment matching said first flat surface of abutment;
or, the exterior of the damping piece is provided with a bulge, and the interior of the sleeve piece is provided with a groove matched with the bulge.
7. The arm folding mechanism of claim 3, wherein the rotating shaft comprises a bolt and a nut, a screw of the bolt penetrates through the two lugs and the sleeve, the nut is in threaded connection with the bolt, a nut of the bolt abuts against an outer side surface of one lug, and the nut abuts against an outer side surface of the other lug.
8. The horn folding mechanism of claim 1, wherein said base further comprises a first sub-portion splice, said first sub-portion splice being fixedly connected to said base; the folding seat further comprises a second sub-part splicing part, and the second sub-part splicing part is fixedly connected with the assembling part;
the horn folding mechanism further comprises a locking sleeve, when the folding seat is unfolded, the first sub-portion splicing portion and the second sub-portion splicing portion are spliced together to form a splicing piece, and the locking sleeve is sleeved on the splicing piece.
9. The horn folding mechanism of claim 8, wherein the first sub-portion of the splice has an external thread on a side thereof, the second sub-portion of the splice has an external thread on a side thereof, and the locking sleeve has an internal thread on an inner wall thereof matching the external thread.
10. An unmanned aerial vehicle, comprising:
a body;
a horn;
the horn folding mechanism of any one of claims 1 to 9, the base being assembled with a body of the machine body, one end of the horn being assembled with the folding seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123447547.0U CN216580973U (en) | 2021-12-31 | 2021-12-31 | Arm folding mechanism and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123447547.0U CN216580973U (en) | 2021-12-31 | 2021-12-31 | Arm folding mechanism and unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216580973U true CN216580973U (en) | 2022-05-24 |
Family
ID=81631540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123447547.0U Active CN216580973U (en) | 2021-12-31 | 2021-12-31 | Arm folding mechanism and unmanned aerial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216580973U (en) |
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2021
- 2021-12-31 CN CN202123447547.0U patent/CN216580973U/en active Active
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