CN212243797U - Folding undercarriage and unmanned aerial vehicle - Google Patents
Folding undercarriage and unmanned aerial vehicle Download PDFInfo
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- CN212243797U CN212243797U CN202020964015.0U CN202020964015U CN212243797U CN 212243797 U CN212243797 U CN 212243797U CN 202020964015 U CN202020964015 U CN 202020964015U CN 212243797 U CN212243797 U CN 212243797U
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Abstract
The utility model provides a folding undercarriage and an unmanned aerial vehicle, wherein the unmanned aerial vehicle comprises the undercarriage, the folding undercarriage comprises a bracket, a supporting component, a locking component, an elastic component and a buffering component, and a chute is arranged on the bracket; the supporting assembly comprises a supporting rod and a locking piece, the locking piece is connected with the supporting rod, the supporting rod is hinged to the support, a locking groove and a guide surface are arranged on the locking piece, the locking groove and the guide surface are respectively positioned on two sides oppositely arranged along the rotating direction of the supporting rod, and a first opening is formed in the locking groove and deviates from the guide surface; the locking assembly comprises a lock column, a gear and a rack, the lock column is arranged in the sliding groove, the lock column penetrates through the first opening to be clamped with the lock groove, the gear and the rack are arranged on the bracket, the gear is meshed with the rack, and the rack is connected with the lock column; the elastic piece is connected between the lock column and the bracket; the buffering assembly comprises an air pressure rod and a buffering cushion, the telescopic free end of the air pressure rod is connected with the buffering cushion, the air pressure rod is connected with the supporting rod, the structure is adopted, the undercarriage is convenient to fold and unfold for use, and the undercarriage is stable and reliable.
Description
Technical Field
The utility model relates to an unmanned aerial vehicle field specifically is a folding undercarriage and unmanned aerial vehicle are related to.
Background
The unmanned aerial vehicle is a general name of the unmanned aerial vehicle, and is provided with an automatic pilot, a program control device and other equipment. Ground personnel can track, locate, remotely control, telemeter and digitally transmit the ground personnel through equipment such as radar and the like. Compared with manned aircraft, it has the advantages of small volume, low cost, convenient use, etc. The wing folding type unmanned aerial vehicle changes the shape of the wings in a folding mode under different flight requirements, the wings are completely unfolded to facilitate taking off or cruising, and the wings are contracted to facilitate high-speed or maneuvering flight and save space for storage.
Present unmanned aerial vehicle is more and more high to the volume requirement, stability and intensity when both having satisfied the flight and descending, toughness requirement, and require to reduce shared space volume on the way in the transportation, can fold simultaneously to folding mode will be reliable enough, simple, easy-to-use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first purpose provides a can conveniently fold expansion and reliable and stable folding undercarriage.
The second purpose of the utility model is to provide an unmanned aerial vehicle with foretell folding undercarriage
In order to achieve the main purpose, the utility model provides a folding undercarriage, which comprises a bracket, a supporting component, a locking component, an elastic component and a buffering component, wherein the bracket is provided with a chute; the supporting assembly comprises a supporting rod and a locking piece, the locking piece is connected with the axial end part of the supporting rod, the supporting rod is hinged to the support, a locking groove and a guide surface are arranged on the locking piece, the locking groove and the guide surface are respectively positioned on two sides oppositely arranged in the rotating direction of the supporting rod, and a first opening is arranged on one side of the locking groove, which is far away from the guide surface; the locking assembly comprises a lock column, a gear and a rack, the lock column is arranged in the sliding groove, the lock column penetrates through the first opening to be clamped with the lock groove, the gear and the rack are respectively arranged on the bracket, the gear is meshed with the rack, and the rack is connected with the lock column; the elastic piece is connected between the lock column and the bracket; the buffer assembly comprises an air pressure rod and a buffer cushion, the telescopic free end of the air pressure rod is connected with the buffer cushion, and the air pressure rod is connected with the supporting rod.
By the scheme, the foldable undercarriage is realized through the hinged support rod, so that the occupied space of the unmanned aerial vehicle is small after the unmanned aerial vehicle is folded, the requirement of storage and transportation on the space is met, the lock piece is arranged on the support rod, the arrangement of the lock groove and the guide surface is utilized, then the guide surface is in contact with the lock column, the lock column slides in the sliding groove, then the lock column falls into the lock groove and is clamped, the elastic reset and the stability of the elastic piece are matched, the gear is rotated to drive the rack to move during unlocking, the separation of the lock column and the lock groove can be realized, and then the convenient folding and unfolding use is realized, and the unmanned aerial vehicle is stable and reliable; buffering subassembly joint support pole falls to the ground the one end at first, utilizes the compressibility of atmospheric pressure pole to absorb the impact force of descending, effectively reduces unmanned aerial vehicle's descending impact and vibration, and the atmospheric pressure pole is connected with the blotter, and the effective increase of blotter lands the area, reduces the ground pressure, is fit for multiple ground descending.
The further scheme is that a universal sleeve is sleeved outside the air pressure rod, a screw hole is formed in the top of the universal sleeve, a thread is formed in the first axial end of the air pressure rod, the first axial end of the air pressure rod is in threaded connection with the universal sleeve, the second axial end of the air pressure rod is connected with the cushion pad, and the support rod is connected with the universal sleeve.
Therefore, the air pressure rod is connected with the universal sleeve in a threaded manner, the air pressure rod can be quickly disassembled and assembled, and the damaged air pressure rod can be quickly replaced.
The further proposal is that a first hinge part is arranged on the outer side wall of the supporting rod, the first hinge part is positioned between the first axial end part and the second axial end part of the supporting rod, and the first axial end part of the supporting rod is connected with the locking part; the outer side wall of the universal sleeve is provided with a second hinge part and a third hinge part, the second hinge part is arranged between the third hinge part and the cushion pad along the axial direction of the air pressure rod, and the second hinge part is hinged with the second axial end part of the support rod; the buffer assembly comprises a connecting piece, the first end of the connecting piece is hinged with the first hinging part, and the second end of the connecting piece is connected with the third hinging part.
It is thus clear that bracing piece and general sleeve are connected through the articulated between second axial tip and the second articulated portion except, and the connecting piece is connected between bracing piece and first axle sleeve in addition, makes to have the contained angle between the axial of bracing piece and the axial of atmospheric pressure pole, and the atmospheric pressure pole can keep along vertical direction setting when unmanned aerial vehicle reduces, effectively absorbs the impact force.
In a further aspect, the locking assembly includes a first bushing, the first hinge portion is disposed on an outer sidewall of the first bushing, the second axial end of the support rod is disposed in the first bushing, and the first bushing is hingedly connected to the second hinge portion.
Therefore, the first shaft sleeve is sleeved outside the second axial end part of the supporting rod, the first hinge part is arranged on the first shaft sleeve, and the processing difficulty of the supporting rod is reduced.
In a further aspect, the cushions are arranged in a circle.
Further, the cushion pad is positioned below the second hinge portion and the connecting member is positioned above the second hinge portion.
The further proposal is that the support rod is connected with the shell of the air pressure rod, and the included angle between the axial direction of the support rod and the axial direction of the air pressure rod is 35-80 degrees.
The further scheme is that the folding undercarriage comprises a lock catch, the lock catch is arranged on the support, a second opening is formed in the lock catch, which deviates from the support, and the supporting rod can be clamped with the lock catch through the second opening.
It can be seen that the arrangement of the latch maintains the support assembly in the folded condition.
For realizing the utility model discloses a second purpose, the utility model provides an unmanned aerial vehicle includes the folding undercarriage as above-mentioned.
The further scheme is that the unmanned aerial vehicle comprises a body and at least three folding undercarriages, a first connecting end and a second connecting end are arranged on the support, the second connecting end is located below the first connecting end, the first connecting end of the at least three folding undercarriages is connected with the body, the second connecting ends of the at least three folding undercarriages are connected with each other, the buffering component is located below the second connecting end, and the buffering cushion is located below the air pressure rod.
Drawings
Figure 1 is the utility model discloses unmanned aerial vehicle embodiment's expansion view.
Figure 2 is the utility model discloses unmanned aerial vehicle embodiment's folding drawing.
Fig. 3 is the structure diagram of the folding undercarriage in the unmanned aerial vehicle embodiment of the present invention.
Fig. 4 is an exploded view of the folding undercarriage in an embodiment of the drone of the present invention.
Fig. 5 is the partial structure diagram of the folding undercarriage in the unlocked state in the embodiment of the unmanned aerial vehicle of the present invention.
Fig. 6 is a structural diagram of a folding landing gear in an embodiment of the unmanned aerial vehicle of the present invention in a folded state.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 and 2, the unmanned aerial vehicle includes four folding undercarriage 1, organism 2 and four paddle component 3, and four paddle component 3 set up in the periphery of organism 2, and folding undercarriage 1 is located paddle component 3's below, and four folding undercarriage 1 are connected in the periphery of organism 2 along circumference. In this embodiment, the unmanned aerial vehicle further includes a connection ring 4, and the connection ring 4 is provided with four connection positions 41, one connection position 41 corresponds to one folding undercarriage 1, and the four folding undercarriage 1 are connected to each other through the connection ring 4.
Referring to fig. 3 and 4, the folding landing gear 1 includes a bracket 5, a support assembly 6, a locking assembly, an elastic member 8, a limiting column 9 and a buffer assembly 10, the bracket 5 includes two mutually connected support pieces 51, the two support pieces 51 are arranged in parallel, the two support pieces 51 are connected through a plurality of connecting columns 52, and the connecting columns 52 are located between the two support pieces 51. The two sliding grooves 53 and 54 penetrate through the two support pieces 51 respectively in the thickness direction, the sliding grooves 53 and 53 extend in parallel in the horizontal direction, and the sliding grooves 53 and 54 penetrate through the two support pieces 51 respectively in the thickness direction of the support pieces 51. The supporting sheet 51 is respectively provided with a first connecting end 511 and a second connecting end 512, the first connecting end 511 is connected with the machine body 2, the second connecting end 512 is connected with the connecting position 41 of the connecting ring 4, when the folding undercarriage 1 is in the unfolding state, the first connecting end 511 is positioned above the second connecting end 512, and the buffering assembly 10 is positioned below the second connecting end 512.
The supporting component 6 comprises a supporting rod 61, a locking piece 62, a first shaft sleeve 60 and a second shaft sleeve 63, wherein the supporting rod 61 and the locking piece 62 are located between the two supporting pieces, and the supporting rod 61 is made of carbon materials. The locking member 62 is connected to the first axial end of the support rod 61, the locking member 61 is provided with a locking groove 611 and a guide surface 612, the locking groove 611 and the guide surface 612 are respectively located on two sides oppositely arranged along the rotation direction of the support rod 61, a first opening 613 is provided on a side of the locking groove 611 facing away from the guide surface 612, and the first opening 613 is communicated with the locking groove 611. The guide surface 612 is arcuate. The second shaft sleeve 63 is sleeved on the radial periphery of the supporting rod 61, the second shaft sleeve 63 is provided with two mounting columns 631 along the radial direction of the second shaft sleeve 63, the two mounting columns 631 are arranged in a collinear manner, the two supporting pieces 51 are respectively provided with a hinge hole 513, and one mounting column 631 is located in one hinge hole 513. The free ends of the two mounting posts 631 are connected with limiting discs 632, the radial width of the limiting discs 632 is larger than that of the mounting posts 631, and one support 51 is located between the second shaft sleeve 63 and the limiting disc 632. Second shaft sleeve 63, erection column 631 are the POM material, when bracing piece 61 rotated for second shaft sleeve 63 and erection column 631 are more wear-resisting. The second axial end of the support bar 61 is located within the first bushing 60.
The buffer assembly 10 comprises a universal sleeve 101, a pressure bar 102, a buffer pad 103 and a connecting piece 104, in this embodiment, the buffer pad 103 is circularly arranged, the width of the buffer pad is greater than the radial width of the universal sleeve 101, when the folding landing gear 1 is in an unfolding state, the pressure bar 102 is arranged along the vertical direction, a screw hole is arranged on the universal sleeve 101, a screw thread is arranged on the first axial end of the pressure bar 102, the universal sleeve 101 is sleeved outside the pressure bar 102 through a threaded connection sleeve, the second axial end of the pressure bar 102 is connected with the buffer pad 103 through a screw thread, and the second axial end of the pressure bar 102 is a telescopic free end. A first hinge 621 is arranged between the first axial end and the second axial end of the support rod 62, the first hinge 621 is located on the outer side wall of the first shaft sleeve 60, a second hinge 105 and a third hinge 106 are arranged on the universal sleeve 101, the second hinge 105 is arranged between the third hinge 106 and the cushion pad 103 along the axial direction of the pneumatic rod 102, and the second hinge 105 is hinged with the first shaft sleeve 60. The first end of the connecting element 104 is hinged to the first hinge 621, the second end of the connecting element 104 is connected to the third hinge 106, and the connecting element 104 is disposed such that an included angle is formed between the axial direction of the support rod 62 and the axial direction of the gas pressure rod 102, and the included angle is 35 ° to 80 °, and preferably 45 °. In this embodiment, the connecting member 104 is located above the second hinge 105 and the cushion pad 103 is located below the second hinge 105 in the vertical direction.
The locking assembly includes a lock cylinder 71, a lock cylinder 72, a gear 73 and a rack 74, the lock cylinder 71 is arranged in the slide groove 53, the lock cylinder 72 is arranged in the slide groove 54, the lock cylinder 71 is connected with a first end of the rack 74 along the length direction of the rack 74, and the lock cylinder 72 is connected with a second end of the rack 74 along the length direction of the rack 74. The gear 73 and the rack 74 are located on the side wall of one of the support pieces 51 which is far away from the other support piece 51, the gear 73 is provided with a hinge hole 731, the support pieces are provided with mounting columns 514, the mounting columns 514 are located in the hinge hole 731, the gear 73 can rotate on the support pieces 51, and the rotation of the gear 73 drives the rack 74 to move. A radially outer periphery of the gear 73 is protrusively provided with a rocker 732.
The lock cylinder 71 is clamped with the lock groove 611, the limiting cylinder 9 is fixedly arranged on the bracket 5, and the locking piece 61 can be arranged between the limiting cylinder 9 and the lock cylinder 51; folding undercarriage 1 is when the expansion state, and spacing post 9 is located the top of lock post 51, and the setting of spacing 9 posts provides limiting displacement to the rotation of latch fitting 61 and bracing piece 62, specifically provides spacingly for supporting component 6 when unmanned aerial vehicle flies, when folding undercarriage 1 is in the expansion state, makes latch fitting 61 and bracing piece 62's rigidity. The elastic member 8 is connected between the lock post 72 and the connecting post 52 of the bracket 1, and in the present embodiment, a first end of the elastic member 8 is connected to the lock post 72, and a second end of the elastic member 8 is connected to the connecting post 52.
The lock catch 11 is arranged between the two support pieces 51, the lock catch 11 is provided with a second opening 111 away from the support, when the folding frame 1 is folded, the support rod 62 can pass through the second opening 111 to be clamped with the lock catch 11, and the support assembly 6 is kept folded by the lock catch 11.
Referring to fig. 4 and 5, the rack 74 is driven to move by the rotation of the driving gear 73, and then the lock cylinder 71 and the lock cylinder 72 move along the sliding slots 53 and 54, respectively, and then the lock cylinder 53 is separated from the locking slot 611, referring to fig. 6, and then the supporting rod 62 is rotated, and the supporting rod 62 passes through the second opening 111 to be engaged with the lock catch 11, thereby realizing the rotation and folding of the supporting rod 62. When the use of expanding, drive bracing piece 62 is deviate from hasp 11, rotates bracing piece 62 and makes guide face 612 and lock post 71 sliding guide cooperation to and under the elastic force effect that lock post 72 obtained elastic component 8, make lock post 71 pass first opening 613 and keyway 611 block then, four bracing pieces 62 and four buffering subassemblies 10 support the unmanned aerial vehicle.
From top to bottom, bracing piece 62 through articulated setting realizes folded cascade's undercarriage, make unmanned aerial vehicle after folding occupation space little, the solution is deposited and is transported the requirement to the space, and be provided with latch fitting 61 on bracing piece 62, utilize the arrangement of locked groove 611 and guide face 612, then guide face 612 is after contacting with lock post 71, lock post 71 slides in spout 53, then fall into to locked groove 611 and realize the block, elasticity at cooperation elastic component 8 resets and stabilizes, drive gear 73 rotates during the unblock and drives rack 74 and remove alright realization lock post 71 and the separation of locked groove 611, then realize conveniently folding the use of expandeing, and reliable and stable.
Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.
Claims (10)
1. Folding undercarriage, characterized in that includes:
the bracket is provided with a sliding groove;
the support assembly comprises a support rod and a locking piece, the locking piece is connected with the axial end part of the support rod, the support rod is hinged to the support, a locking groove and a guide surface are arranged on the locking piece, the locking groove and the guide surface are respectively positioned on two sides oppositely arranged in the rotation direction of the support rod, and a first opening is formed in one side, away from the guide surface, of the locking groove;
the locking assembly comprises a locking column, a gear and a rack, the locking column is arranged in the sliding groove, the locking column penetrates through the first opening and is clamped with the locking groove, the gear and the rack are respectively arranged on the bracket, the gear is meshed with the rack, and the rack is connected with the locking column;
the elastic piece is connected between the lock cylinder and the bracket;
the buffer assembly comprises an air pressure rod and a buffer cushion, the telescopic free end of the air pressure rod is connected with the buffer cushion, and the air pressure rod is connected with the supporting rod.
2. A folding landing gear according to claim 1, wherein:
the universal sleeve is sleeved outside the air pressure rod, a screw hole is formed in the top of the universal sleeve, a thread is formed in the first axial end of the air pressure rod, the first axial end of the air pressure rod is in threaded connection with the universal sleeve, the second axial end of the air pressure rod is connected with the cushion pad, and the support rod is connected with the universal sleeve.
3. A folding landing gear according to claim 2, wherein:
the outer side wall of the supporting rod is provided with a first hinge part, the first hinge part is positioned between the first axial end part of the supporting rod and the second axial end part of the supporting rod, and the first axial end part of the supporting rod is connected with the locking part;
the outer side wall of the universal sleeve is provided with a second hinge part and a third hinge part, the second hinge part is arranged between the third hinge part and the cushion pad along the axial direction of the air pressure rod, and the second hinge part is hinged with the second axial end part of the support rod;
the buffer assembly comprises a connecting piece, the first end of the connecting piece is hinged with the first hinging part, and the second end of the connecting piece is connected with the third hinging part.
4. A folding landing gear according to claim 3, wherein:
the locking assembly comprises a first shaft sleeve, the first hinge part is arranged on the outer side wall of the first shaft sleeve, the second axial end part of the supporting rod is located in the first shaft sleeve, and the first shaft sleeve is hinged with the second hinge part.
5. A folding landing gear according to claim 1, wherein;
the cushions are arranged in a circle.
6. A folding landing gear according to claim 3, wherein:
the cushion pad is positioned below the second hinge and the connector is positioned above the second hinge.
7. A folding landing gear according to any of claims 1 to 6, wherein:
the support rod is connected with the shell of the air pressure rod, and an included angle between the axial direction of the support rod and the axial direction of the air pressure rod is 35-80 degrees.
8. A folding landing gear according to claim 1, wherein:
the folding undercarriage comprises a lock catch, the lock catch is arranged on the support, a second opening is formed in the lock catch, the lock catch deviates from the support, and the supporting rod can penetrate through the second opening to be clamped with the lock catch.
9. Unmanned aerial vehicle, its characterized in that: comprising a folding landing gear according to any of claims 1 to 8.
10. A drone according to claim 9, characterized in that:
the unmanned aerial vehicle comprises a vehicle body and at least three folding undercarriages, a first connecting end and a second connecting end are arranged on the support, the second connecting end is located below the first connecting end, the first connecting end of the at least three folding undercarriages is connected with the vehicle body, the second connecting ends of the at least three folding undercarriages are connected with each other, the buffering component is located below the second connecting end, and the buffering cushion is located below the air pressure rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020964015.0U CN212243797U (en) | 2020-05-29 | 2020-05-29 | Folding undercarriage and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020964015.0U CN212243797U (en) | 2020-05-29 | 2020-05-29 | Folding undercarriage and unmanned aerial vehicle |
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| CN212243797U true CN212243797U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020964015.0U Active CN212243797U (en) | 2020-05-29 | 2020-05-29 | Folding undercarriage and unmanned aerial vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113716024A (en) * | 2021-09-22 | 2021-11-30 | 南京瑞蓝世光电传感技术研究院有限公司 | Unmanned aerial vehicle undercarriage convenient to expand and adjust |
-
2020
- 2020-05-29 CN CN202020964015.0U patent/CN212243797U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113716024A (en) * | 2021-09-22 | 2021-11-30 | 南京瑞蓝世光电传感技术研究院有限公司 | Unmanned aerial vehicle undercarriage convenient to expand and adjust |
| CN113716024B (en) * | 2021-09-22 | 2023-07-04 | 南京瑞蓝世光电传感技术研究院有限公司 | Unmanned aerial vehicle undercarriage convenient to expand and adjust |
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