CN216580974U - Folding horn and unmanned aerial vehicle - Google Patents

Abstract

The utility model discloses a folding horn and unmanned aerial vehicle, wherein, folding horn includes first horn, second horn, locking device and stop device. The second machine arm is hinged to the first machine arm, the second machine arm is provided with a locking part and a driving part, the locking device comprises a locking buckle and a first elastic piece, the locking buckle is rotatably connected to the first machine arm and provided with a locking groove and a limiting groove, the locking part can be clamped in the locking groove, and the first elastic piece is connected between the first machine arm and the locking buckle; the limiting device comprises a limiting part and a stress part, one end of the limiting part can be inserted into the limiting groove, and the driving part can push the stress part to enable the limiting part to move towards the lower end of the second machine arm. The limiting part is separated from the limiting groove, the locking buckle automatically rotates under the action of the torque of the first elastic part, and the locking part moves into the locking groove to lock the first machine arm and the second machine arm without manual operation, so that the operation time is saved.

Description

Folding horn and unmanned aerial vehicle

Technical Field

The utility model relates to a beta structure technical field, in particular to folding horn and unmanned aerial vehicle.

Background

In order to reduce the storage volume, a plurality of devices or tools adopt a folding mode, tools or manual operation is needed when most folding structures in the related art are fastened, the operation is complicated, and the efficiency is low.

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 a folding horn, when the horn expandes, can automatic locking, easy operation.

The utility model also provides an unmanned aerial vehicle of including above-mentioned folding horn.

According to the utility model discloses a folding horn of first aspect embodiment includes:

a first arm;

the lower end of the second machine arm is hinged to the lower end of the first machine arm, the second machine arm is provided with a locking part and a driving part, and the locking part is positioned on the upper end surface of the second machine arm;

the locking device comprises a locking buckle and a first elastic piece, the locking buckle is rotatably connected to the upper end face of the first machine arm and is provided with a locking groove and a limiting groove, the locking part can move into the locking groove due to rotation of the locking buckle, the opening of the limiting groove faces the upper end face of the first machine arm, one end of the first elastic piece is connected to the first machine arm, and the other end of the first elastic piece is connected to the locking buckle;

the limiting device comprises a limiting part and a stress part, the limiting part can move relative to the locking buckle, one end of the limiting part can be inserted into the limiting groove, when the driving part rotates along with the second machine arm and is close to the first machine arm, the driving part can push the stress part, so that the limiting part moves towards the lower end of the second machine arm.

According to the utility model discloses folding horn has following beneficial effect at least:

the first machine arm is hinged to the second machine arm, the first machine arm is connected with a rotatable locking buckle, a first elastic piece is connected between the locking buckle and the first machine arm, the first elastic piece can apply torque to the locking buckle, the locking buckle is provided with a locking groove and a limiting groove, the limiting piece can be inserted into the limiting groove, and the locking device is limited to rotate due to the torque applied by the first elastic piece. The second horn is provided with a locking part and a driving part, the locking part can be close to the locking groove due to the fact that the second horn rotates relative to the first horn, the driving part can push the stress piece due to the fact that the second horn rotates relative to the first horn, the limiting piece moves towards the lower end of the second horn, the limiting piece is separated from the limiting groove, the locking buckle automatically rotates under the action of torque of the first elastic piece, the locking part moves into the locking groove, the locking part and the side wall of the limiting groove mutually abut against each other to limit the first horn to rotate relative to the second horn, the first horn and the second horn are locked, manual operation is not needed, and operation time is saved.

According to some embodiments of the present invention, the limiting device further comprises a second elastic member, one end of the second elastic member is connected to the limiting member, and the other end of the second elastic member is connected to the first arm.

According to some embodiments of the utility model, first elastic component is torsion spring, the up end of first horn is provided with first protruding axle, first elastic component cover is located the side of first protruding axle.

According to some embodiments of the utility model, the locking is detained and is still provided with first through-hole, first elastic component wears to locate first through-hole, and connect in what the locking was detained deviates from the surface of first horn.

According to some embodiments of the utility model, what the locking was detained deviates from the surface of first arm still is provided with first recess, locking device still includes first piece and connecting piece of blockking, the other end joint of first elastic component in the first recess, first piece set up in the opening part of first recess, first piece of blockking is provided with the third through-hole, the connecting piece is worn to locate the third through-hole, and be connected in first protruding axle.

According to some embodiments of the utility model, the up end of first horn still is provided with the second bellying, the second bellying with first bellying is coaxial, the diameter of second bellying is greater than the diameter of first bellying, the locking is detained and is still provided with the spread groove, the opening orientation of spread groove the upper surface of first horn, the second bellying rotatably connect in the spread groove.

According to some embodiments of the utility model, follow locking portion gets into the direction in locking groove, the distance between the both sides wall in locking groove reduces gradually.

According to some embodiments of the present invention, the locking portion has a first side and a second side, along the locking portion enters the direction of the locking groove, the first side with the distance between the second sides reduces gradually.

According to some embodiments of the utility model, follow the up end of first horn extremely the direction of the lower terminal surface of first horn, the distance between the both sides wall in locking groove reduces gradually, follows the up end of second horn extremely the direction of the lower terminal surface of second horn, the cross section of locking portion reduces gradually.

According to the utility model discloses an unmanned aerial vehicle of second aspect embodiment, include: the folder arm of the embodiment of the first aspect.

According to the utility model discloses unmanned aerial vehicle has following beneficial effect at least: the folding horn of unmanned aerial vehicle can lock automatically when expanding, need not artificial operation, saves time.

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 exploded view of a folding arm according to an embodiment of the present invention;

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

fig. 3 is a schematic view of another embodiment of the first aspect of the present invention;

FIG. 4 is a schematic view of the first arm and the locking mechanism of FIG. 1;

fig. 5 is a schematic view of the second arm and the locking portion of fig. 1.

Reference numerals:

the first arm 100, the rotating shaft 120, the first protruding shaft 130, the second protruding shaft 140, the receiving groove 150, the second through hole 160, and the fourth groove 170;

a second arm 200, a locking part 210, a first side surface 211, a second side surface 212, and a driving part 220;

the locking device 300, the locking buckle 310, the locking groove 311, the limiting groove 312, the first through hole 313, the first groove 314, the second groove 315, the protrusion 3151, the first elastic element 320, the first blocking element 330, the third groove 331 and the connecting element 340;

the limiting device 400, the limiting member 410, the stress member 420 and the second elastic member 430;

a second barrier 500;

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 drawings are exemplary only for the purpose of 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.

Fig. 1 is an exploded schematic view of an embodiment of the first aspect of the present invention, fig. 2 is an enlarged schematic view of a region a in fig. 1, fig. 3 is a schematic view of another embodiment of the first aspect of the present invention, fig. 4 is a schematic view of a first arm and a locking device in fig. 1, and fig. 5 is a schematic view of a second arm and a locking portion in fig. 1. Referring to fig. 1 to 5, the folding arm according to the embodiment of the first aspect of the present invention includes: a first arm 100, a second arm 200, a locking device 300 and a limiting device 400.

Wherein, the lower end of the second horn 200 is hinged to the lower end of the first horn 100, the second horn 200 is provided with a locking part 210 and a driving part 220, and the locking part 210 is located on the upper end surface of the second horn 200. The locking device 300 includes a locking buckle 310 and a first elastic member 320, the locking buckle 310 is rotatably connected to the upper end surface of the first arm 100, the locking buckle 310 has a locking groove 311 and a limiting groove 312, the locking portion 210 can move into the locking groove 311 due to the rotation of the locking buckle 310, and an opening of the limiting groove 312 faces the upper end surface of the first arm 100. The first elastic member 320 has one end connected to the first arm 100 and the other end connected to the locking buckle 310. The limiting device 400 includes a limiting member 410 and a stressed member 420, wherein the limiting member 410 can move relative to the locking buckle 310, and one end of the limiting member 410 can be inserted into the limiting groove 312. When the driving portion 220 rotates with the second arm 200 and approaches the first arm 100, the driving portion 220 can push the force-receiving member 420, so that the limiting member 410 moves toward the lower end of the second arm 200.

Specifically, the first arm 100 is hinged to the second arm 200 through the rotating shaft 120, and the first arm 100 and the second arm 200 can rotate around the rotating shaft 120 to fold and unfold the arms. The first arm 100 is connected with a locking device 300, a locking buckle 310 in the locking device 300 rotates relative to the first arm 100, a first elastic member 320 is connected between the locking buckle 310 and the first arm 100, and the first elastic member 320 can apply torque to the locking buckle 310, so that the locking buckle 310 tends to rotate. The locking buckle 310 is provided with a locking groove 311 and a limiting groove 312, and the limiting member 410 can be inserted into the limiting groove 312 to limit the locking buckle 310 from rotating due to the torque applied by the first elastic member 320. The second arm 200 is provided with a locking portion 210 and a driving portion 220, the locking portion 210 can be close to the locking buckle 310 due to the rotation of the second arm 200 relative to the first arm 100, and the driving portion 220 can push the force-bearing member 420 due to the rotation of the second arm 200 relative to the first arm 100, so that the limiting member 410 moves toward the lower end of the second arm 200, and the limiting member 410 is separated from the limiting groove 312. When the position-limiting element 410 is separated from the position-limiting groove 312, the locking buckle 310 automatically rotates under the action of the torque of the first elastic element 320, so that the locking portion 210 moves into the locking groove 311, the side surface of the locking portion 210 and the side wall of the locking groove 311 abut against each other to limit the rotation of the first arm 100 relative to the second arm 200, so as to lock the first arm 100 and the second arm 200, without manual operation, thereby saving operation time.

Referring to fig. 1, in some embodiments, the position-limiting device 400 further includes a second elastic member 430, one end of the second elastic member 430 is connected to the position-limiting member 410, and the other end is connected to the first arm 100. Specifically, one end of the second elastic element 430 is connected to the limiting element 410, and the other end is connected to the first arm 100. The second elastic member 430 can apply an elastic force to the limiting member 410 toward the limiting groove 312. When the arm is unfolded, that is, the first arm 100 is abutted to the second arm 200, the driving portion 220 of the second arm 200 is close to the limiting device 400, and applies a downward pressure to the force-receiving member 420 in the limiting device 400, which is greater than the elastic force of the second elastic member 430, so that the force-receiving member 420 moves downward, thereby driving the limiting member 410 to move downward, and separating the limiting member 410 from the limiting groove 312, so as to release the limitation on the locking buckle 310. The locking button 310 automatically rotates under the torque of the first elastic member 320 to lock the first arm 100 and the second arm 200.

When the arm is folded, the locking buckle 310 is rotated in the reverse direction, and the locking portion 210 is moved to the outside of the locking groove 311. The first arm 100 rotates relative to the second arm 200, and the driving part 220 of the second arm 200 is separated from the force-receiving member 420 of the limiting device 400. The limiting member 410 moves toward the locking buckle 310 and extends into the limiting groove 312 under the action of the second elastic member 430, so that the locking buckle 310 is fixed, and the first arm 100 and the second arm 200 are locked when the arm is unfolded next time.

Referring to fig. 1 and 2, in some embodiments, the first arm 100 is further provided with a receiving groove 150, and the limiting device 400 is disposed in the receiving groove 150. The sidewall of the receiving groove 150 further has a second through hole 160, and an axis of the second through hole 160 is parallel to an axis of the limiting groove 312. The limiting member 410 can be inserted into the limiting groove 312 through the second through hole 160, so that the limiting member 410 moves along the axis of the second through hole 160, the limiting member 410 is prevented from swinging during the moving process, and the stability of the limiting member 410 is improved. In addition, the hole wall of the second through hole 160 can limit the axial position of the limiting member 410, so that the axial position is always parallel to the axis of the limiting groove 312, and the limiting member 410 can extend into the limiting groove 312 under the elastic force of the second elastic member 430. The folder arm of this embodiment may further include a second blocking member 500, and the second blocking member 500 is disposed at the opening of the receiving groove 150 to limit the position-limiting device 400 in the receiving groove 150.

Referring to fig. 1 and 2, in some embodiments, the first elastic element 320 is a torsion spring, the first protruding shaft 130 is disposed on the upper end surface of the first arm 100, and the first elastic element 320 is sleeved on the side surface of the first protruding shaft 130. Specifically, the torsion spring is sleeved on the first protruding shaft 130, two ends of the torsion spring are respectively connected to the first arm 100 and the locking buckle 310, and the torsion spring is in a deformation state and always applies a torque to the locking buckle 310.

Referring to fig. 1 and 2, in some embodiments, the locking buckle 310 is further provided with a first through hole 313, and the first elastic member 320 is disposed through the first through hole 313 and connected to a surface of the locking buckle 310 facing away from the first arm 100. Specifically, the locking buckle 310 is provided with a first through hole 313, one end of the first elastic member 320 is connected to the first arm 100, and the other end thereof passes through the first through hole 313 and is connected to the surface of the locking buckle 310 away from the first arm 100, so as to facilitate the connection between the torsion spring and the locking buckle 310.

Referring to fig. 1 to 3, in some embodiments, a surface of the locking buckle 310 facing away from the first arm 100 is further provided with a first groove 314, the locking device 300 further includes a first blocking member 330 and a connecting member 340, and the other end of the first elastic member 320 is clamped in the first groove 314. The first blocking member 330 is disposed at an opening of the first groove 314, the first blocking member 330 is provided with a third through hole (not shown), and the connecting member 340 is disposed through the third through hole and connected to the first protruding shaft 130. Specifically, when the first elastic member 320 is installed, the first protrusion shaft 130 is sleeved with the first elastic member 320, and one end of the first elastic member 320 is connected to the first arm 100. The locking buckle 310 is sleeved on the first elastic member 320, so that the first elastic member 320 passes through the first through hole 313, one end of the first elastic member 320 is clamped in the first groove 314, and finally the first blocking member 330 is connected to the first protruding shaft 130, so that the first blocking member 330 limits the other end of the first elastic member 320 in the first groove 314, thereby completing the connection between the first elastic member 320 and the locking buckle 310, and the structure is simple and easy to operate. The surface of the locking buckle 310 departing from the first arm 100 may further be provided with a second groove 315, the first groove 314 is located at the bottom wall of the second groove 315, the second groove 315 is used for accommodating the first blocking member 330, a protruding portion 3151 is arranged on the side wall of the second groove 315, the first blocking member 330 is provided with a third groove 331, and the protruding portion 3151 is clamped in the third groove 331, so that the first blocking member 330 can rotate along with the locking buckle 310, and abrasion caused by mutual friction between the locking buckle 310 and the first blocking member 330 is prevented.

Referring to fig. 1 and 2, in some embodiments, the upper end surface of the first arm 100 is further provided with a second protruding shaft 140, the second protruding shaft 140 is coaxial with the first protruding shaft 130, the diameter of the second protruding shaft 140 is larger than that of the first protruding shaft 130, the locking buckle 310 is further provided with a connecting groove (not shown), the opening of the connecting groove faces the upper surface of the first arm 100, and the second protruding shaft 140 is rotatably connected to the connecting groove. Specifically, the second protruding shaft 140 is matched with the connecting groove to prevent the locking buckle 310 from swinging during the rotation process, thereby improving the stability of the locking buckle 310 during the rotation process. In addition, an annular fourth groove 170 may be further disposed between the side surface of the second protruding shaft 140 and the side surface of the first protruding shaft 130, the first connecting piece 340 may be disposed in the fourth groove 170, a fifth groove (not shown in the figure) may be disposed on a side wall of the fourth groove 170, and one end of the first connecting piece 340 may be clamped in the fifth groove, so as to connect the first elastic piece 320 and the first arm 100.

Referring to fig. 3, in some embodiments, the distance between both sidewalls of the locking groove 311 is gradually decreased in a direction in which the locking portion 210 enters the locking groove 311. Specifically, the distance between the two side walls of the locking groove 311 gradually decreases, and the minimum distance between the two side walls of the locking groove 311 is smaller than the maximum distance between the two side surfaces of the locking portion 210, so that the side surfaces of the locking portion 210 can abut against the side walls of the locking groove 311 after the locking portion 210 moves to the locking groove 311. So as to lock the locking part 210 and the locking buckle 310, and prevent the first arm 100 and the second arm 200 from rotating relatively.

Referring to fig. 1, 3 and 5, in the above embodiment, the locking part 210 has the first side surface 211 and the second side surface 212, and the distance between the first side surface 211 and the second side surface 212 is gradually reduced along the direction in which the locking part 210 enters the locking groove 311. Specifically, the distance between the first side surface 211 and the second side surface 212 gradually decreases in the direction in which the locking portion 210 enters the locking groove 311. Therefore, when the locking portion 210 is located in the locking groove 311, the first side surface 211 and the second side surface 212 of the locking portion 210 can be completely contacted with the side wall of the locking groove 311 and tightly abut against each other, so as to improve the friction between the locking portion 210 and the locking buckle 310, and improve the firmness between the locking portion 210 and the locking buckle 310.

Referring to fig. 1, 3 and 5, in some embodiments, a distance between both sidewalls of the locking groove 311 is gradually decreased in a direction from an upper end surface of the first arm 100 to a lower end surface of the first arm 100, and a cross-section of the locking part 210 is gradually decreased in a direction from an upper end surface of the second arm 200 to a lower end surface of the second arm 200. Specifically, along the direction from the upper end surface of the second arm 200 to the lower end surface of the second arm 200, the cross section of the locking portion 210 gradually decreases, that is, the distance between the first side surface 211 and the second side surface 212 gradually decreases, and the minimum distance between the two side walls of the locking groove 311 is smaller than the maximum distance of the distance between the first side surface 211 and the second side surface 212, so that the locking portion 210 can be clamped in the limiting groove 312 to lock the first arm 100 and the second arm 200.

Referring to fig. 1 and 5, in some embodiments, the force receiving member 420 is a cylinder, the force receiving member 420 is rotatably connected to the limiting member 410, and a side surface of the force receiving member 420 can abut against the driving portion 220 to reduce a friction force between the driving portion 220 and the force receiving member 420.

The utility model discloses an unmanned aerial vehicle of second aspect embodiment (not shown in the figure), include: the folder arm of the embodiment of the first aspect. Specifically, unmanned aerial vehicle includes organism and folding horn, and the folding horn is installed in the both sides of organism, and the folding horn can lock automatically when expanding, need not artificial operation, saves time.

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. Folding horn, its characterized in that includes:

a first arm;

the lower end of the second machine arm is hinged to the lower end of the first machine arm, the second machine arm is provided with a locking part and a driving part, and the locking part is positioned on the upper end surface of the second machine arm;

the locking device comprises a locking buckle and a first elastic piece, the locking buckle is rotatably connected to the upper end face of the first machine arm and is provided with a locking groove and a limiting groove, the locking part can move into the locking groove due to rotation of the locking buckle, the opening of the limiting groove faces the upper end face of the first machine arm, one end of the first elastic piece is connected to the first machine arm, and the other end of the first elastic piece is connected to the locking buckle;

the limiting device comprises a limiting part and a stress part, the limiting part can move relative to the locking buckle, one end of the limiting part can be inserted into the limiting groove, when the driving part rotates along with the second machine arm and is close to the first machine arm, the driving part can push the stress part, so that the limiting part moves towards the lower end of the second machine arm.

2. The folder arm as recited in claim 1, wherein the stop device further comprises a second elastic member, one end of the second elastic member being connected to the stop member and the other end being connected to the first arm.

3. The folder arm as recited in claim 1, wherein the first elastic member is a torsion spring, and a first protruding shaft is disposed on an upper end surface of the first arm, and the first elastic member is sleeved on a side surface of the first protruding shaft.

4. The folder arm as recited in claim 3, wherein the locking buckle is further provided with a first through hole, and the first elastic member is disposed in the first through hole and connected to a surface of the locking buckle facing away from the first arm.

5. The folder arm as claimed in claim 3, wherein a first groove is further disposed on a surface of the locking buckle facing away from the first arm, the locking device further includes a first blocking member and a connecting member, the other end of the first elastic member is clamped in the first groove, the first blocking member is disposed at an opening of the first groove, the first blocking member is provided with a third through hole, and the connecting member is disposed through the third through hole and connected to the first protruding shaft.

6. The folder arm as recited in claim 4, wherein the upper end surface of the first arm is further provided with a second protruding shaft, the second protruding shaft is coaxial with the first protruding shaft, the diameter of the second protruding shaft is larger than that of the first protruding shaft, the locking buckle is further provided with a connecting groove, an opening of the connecting groove faces the upper surface of the first arm, and the second protruding shaft is rotatably connected to the connecting groove.

7. The folder arm as recited in claim 1, wherein a distance between both sidewalls of the locking groove is gradually reduced in a direction in which the locking portion enters the locking groove.

8. The folder arm as recited in claim 7, wherein the locking portion has a first side and a second side, the distance between the first side and the second side decreasing in a direction that the locking portion enters the locking slot.

9. The folder arm as recited in claim 1, wherein a distance between both side walls of the locking groove is gradually reduced in a direction from an upper end surface of the first arm to a lower end surface of the first arm, and a cross section of the locking portion is gradually reduced in a direction from an upper end surface of the second arm to a lower end surface of the second arm.

10. Drone, characterized in that it comprises a folding arm according to any of claims 1 to 9.

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