阅读说明：本技术 一种便于展开调节的无人机起落架 (Unmanned aerial vehicle undercarriage convenient to expand and adjust ) 是由 魏平 张秋月 于 2021-09-22 设计创作，主要内容包括：本发明属于无人机起落架领域,尤其是一种便于展开调节的无人机起落架,针对现有的无人机起落架都为固定形式,无法折叠的问题,现提出如下方案,其包括机壳,所述机壳的底部固定连接有两个第一固定杆,两个第一固定杆的圆周外壁均活动连接有两个支撑机构,所述支撑机构包括第一连接块,第一连接块活动连接在第一固定杆的圆周外壁,所述第一连接块的一侧固定连接有第二支撑杆,第二支撑杆的底部固定连接有缓冲机构,本发明中,通过电机、第一齿轮、第二齿轮和齿条的配合运动使得直升机起落架完成折叠与展开的效果,提高工作效率,同时通过缓冲机构的设置,使得无人机在降落时无人机本体得到缓冲,还通过万向球能够方便移动无人机。(The invention belongs to the field of unmanned aerial vehicle undercarriages, in particular to an unmanned aerial vehicle undercarriages convenient to unfold and adjust, aiming at the problem that the existing unmanned aerial vehicle undercarriages are in a fixed form and cannot be folded, the invention provides a scheme that the unmanned aerial vehicle undercarriages comprise a casing, the bottom of the casing is fixedly connected with two first fixing rods, the circumferential outer walls of the two first fixing rods are movably connected with two supporting mechanisms, each supporting mechanism comprises a first connecting block, the first connecting block is movably connected with the circumferential outer wall of the first fixing rod, one side of the first connecting block is fixedly connected with a second supporting rod, and the bottom of the second supporting rod is fixedly connected with a buffer mechanism. Make unmanned aerial vehicle body obtain the buffering when descending, still can conveniently remove unmanned aerial vehicle through universal ball.)

1. The unmanned aerial vehicle undercarriage convenient to unfold and adjust comprises a casing (1) and is characterized in that the bottom of the casing (1) is fixedly connected with two first fixing rods (7), the circumferential outer walls of the two first fixing rods (7) are movably connected with two supporting mechanisms, each supporting mechanism comprises a first connecting block (12), each first connecting block (12) is movably connected with the circumferential outer wall of each first fixing rod (7), one side of each first connecting block (12) is fixedly connected with a second supporting rod (13), the bottom of each second supporting rod (13) is fixedly connected with a buffer mechanism (17), the bottom of each buffer mechanism (17) is fixedly connected with a first supporting rod (6), one side of each first connecting block (12) is fixedly connected with a second connecting rod (14), and the top of each second connecting rod (14) is fixedly connected with a hydraulic rod (22), the top of the hydraulic rod (22) is fixedly connected with a second connecting block (16), the inner wall of one side of the machine shell (1) is fixedly connected with a motor (20), one end of the output shaft of the motor (20) is fixedly connected with a second gear (10), the inner wall of one side of the machine shell (1) is fixedly connected with a fixed block (19), a limit groove (21) is formed in the fixed block (19), a sliding block (18) is movably connected in the limit groove (21), one side of the sliding block (18) is fixedly connected with a rack (8), the rack (8) is meshed with one side of the second gear (10), the inner wall of one side of the machine shell (1) is fixedly connected with a second fixed rod (11), one end of the second fixed rod (11) is movably connected with a first gear (9), the first gear (9) is meshed with the other side of the rack (8), the bottom end of the rack (8) is movably connected with two transmission rods (15), two second connecting blocks (16) at the same side are movably connected to the circumferential outer wall of the transmission rod (15).

2. The unmanned aerial vehicle landing gear convenient to unfold and adjust according to claim 1, wherein the buffering mechanism (17) comprises a sleeve (174), a limiting block (175) is movably connected in the sleeve (174), a sliding rod (173) is fixedly connected to the upper surface of the limiting block (175), the sliding rod (173) penetrates through the top of the sleeve (174), a top block (172) is fixedly connected to the top of the sliding rod (173), the bottom of the second supporting rod (13) is fixedly connected with the top of the top block (172), and the top of the first supporting rod (6) is fixedly connected with the bottom of the sleeve (174).

3. An unmanned landing gear facilitating deployment adjustment according to claim 2, wherein a spring (171) is fixedly mounted between the first support rod (6) and the second support rod (13), and the top block (172), the sliding rod (173), the sleeve (174) and the stop block (175) are located within the spring (171).

4. An unmanned landing gear for facilitating deployment adjustment according to claim 1, wherein a first connecting rod (5) is fixedly connected between adjacent two of the support mechanisms.

5. An unmanned landing gear for easy deployment adjustment according to claim 1, wherein the bottom of the first support rod (6) is fixedly connected with a universal ball (4).

6. An unmanned aerial vehicle landing gear facilitating deployment adjustment according to claim 1, wherein two symmetrical wing rods (2) are fixedly connected to both sides of the housing (1).

7. The unmanned aerial vehicle landing gear convenient to unfold and adjust of claim 1, is characterized in that the bottom of the casing (1) is provided with a jack, and the rack (8) and the transmission rod (15) pass through the hole.

8. An unmanned aerial vehicle landing gear facilitating deployment adjustment according to claim 6, wherein the wing rods (2) are each fixedly connected at one end with a wing (3).

Technical Field

The invention relates to the technical field of unmanned aerial vehicle undercarriage, in particular to an unmanned aerial vehicle undercarriage convenient to unfold and adjust.

Background

Unmanned aircraft, abbreviated "drone" and abbreviated "UAV", is an unmanned aircraft that is operated by a radio remote control device and self-contained programmed control means, or autonomously by an onboard computer, either completely or intermittently, and is often more suited to tasks that are too "fool, dirty, or dangerous" than a manned aircraft.

Unmanned aerial vehicles can be divided into military and civil application according to application fields, the unmanned aerial vehicles are divided into reconnaissance planes and target planes, and the unmanned aerial vehicles are applied to the industry in the civil application and are really just needed by the unmanned aerial vehicles; at present, the unmanned aerial vehicle is applied to the fields of aerial photography, agriculture, plant protection, miniature self-timer, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, film and television shooting, romantic manufacturing and the like, the application of the unmanned aerial vehicle is greatly expanded, and developed countries actively expand industrial application and develop unmanned aerial vehicle technology.

At present, when the landing gear of the unmanned aerial vehicle flies in the society, most of the landing gears of the unmanned aerial vehicle are in a fixed form and cannot be folded, so that the landing gear of the unmanned aerial vehicle convenient to unfold and adjust is provided for solving the mentioned problems.

Disclosure of Invention

The invention aims to solve the problem that the landing gear of the unmanned aerial vehicle is fixed and cannot be folded in the prior art, and provides the landing gear of the unmanned aerial vehicle, which is convenient to unfold and adjust.

In order to achieve the purpose, the invention adopts the following technical scheme:

an unmanned aerial vehicle undercarriage convenient to unfold and adjust comprises a casing, wherein two first fixing rods are fixedly connected to the bottom of the casing, two supporting mechanisms are movably connected to the circumferential outer walls of the two first fixing rods respectively, each supporting mechanism comprises a first connecting block, the first connecting blocks are movably connected to the circumferential outer walls of the first fixing rods, a second supporting rod is fixedly connected to one side of each first connecting block, a buffer mechanism is fixedly connected to the bottom of each second supporting rod, a first supporting rod is fixedly connected to the bottom of each buffer mechanism, a second connecting rod is fixedly connected to one side of each first connecting block, a hydraulic rod is fixedly connected to the top of each second connecting rod, a second connecting block is fixedly connected to the top of each hydraulic rod, a motor is fixedly connected to the inner wall of one side of the casing, a second gear is fixedly connected to one end of an output shaft of the motor, and a fixing block is fixedly connected to the inner wall of one side of the casing, set up the spacing groove in the fixed block, spacing inslot swing joint has the sliding block, one side fixedly connected with rack of sliding block, and the meshing of one side of rack and second gear, one side inner wall fixedly connected with second dead lever of casing, the one end swing joint of second dead lever have first gear, and the opposite side meshing of first gear and rack, the bottom swing joint of rack has two transfer lines, two second connecting block swing joints of homonymy are at the circumference outer wall of transfer line.

Preferably, buffer gear includes the sleeve, and swing joint has the stopper in the sleeve, and the last fixed surface of stopper is connected with the slide bar, and the slide bar passes telescopic top, the top fixedly connected with kicking block of slide bar, the bottom of second bracing piece and the top fixed connection of kicking block, the top and the telescopic bottom fixed connection of first bracing piece.

Preferably, a spring is fixedly installed between the first supporting rod and the second supporting rod, and the ejector block, the sliding rod, the sleeve and the limiting block are located in the spring.

Preferably, a first connecting rod is fixedly connected between two adjacent supporting mechanisms.

Preferably, the bottom of each first support rod is fixedly connected with a universal ball.

Preferably, two symmetrical wing rods are fixedly connected to both sides of the casing.

Preferably, the bottom of the casing is provided with an insertion hole, and the rack and the transmission rod pass through the hole.

Preferably, one end of each wing rod is fixedly connected with a fan wing.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the matching of the motor, the first gear, the second gear and the rack, when the unmanned aerial vehicle lands, the rack descends through the rotation of the motor output shaft, the rack descends to drive the landing gear of the unmanned aerial vehicle to descend to finish the road, and when the take-off motor of the unmanned aerial vehicle is started, the landing gear of the unmanned aerial vehicle can be folded and contracted.

2. According to the invention, through the arrangement of the buffer mechanism, when the unmanned aerial vehicle lands, the unmanned aerial vehicle contacts the ground, the downward acting force of the unmanned aerial vehicle is transferred to the buffer mechanism, and the unmanned aerial vehicle body is buffered through the arrangement of the spring in the buffer mechanism.

3. According to the unmanned aerial vehicle, the universal ball is rotated by pushing the unmanned aerial vehicle body when the unmanned aerial vehicle lands and needs to move through the arrangement of the universal ball, so that the unmanned aerial vehicle moves.

4. According to the invention, through the matching of the sliding block and the limiting groove, when the second gear rotates, the rack slides up and down in the limiting groove through the sliding block, so that the landing gear of the unmanned aerial vehicle has folding and unfolding effects, and the working efficiency is improved.

According to the invention, the helicopter undercarriage can be folded and unfolded through the matching motion of the motor, the first gear, the second gear and the rack, the working efficiency is improved, the unmanned aerial vehicle body is buffered when the unmanned aerial vehicle lands through the arrangement of the buffer mechanism, and the unmanned aerial vehicle can be moved through the universal ball.

Drawings

Fig. 1 is a schematic front view of an unmanned aerial vehicle landing gear convenient for deployment and adjustment according to the present invention;

fig. 2 is a schematic view of a bottom view of an unmanned aerial vehicle landing gear facilitating deployment adjustment according to the present invention;

fig. 3 is a schematic three-dimensional structure diagram of an unmanned aerial vehicle landing gear convenient for unfolding adjustment according to the invention;

fig. 4 is an enlarged structural diagram of a portion a of an unmanned aerial vehicle undercarriage convenient for deployment and adjustment according to the present invention;

FIG. 5 is a schematic cross-sectional view of an unmanned aircraft landing gear with ease of deployment adjustment according to the present invention;

FIG. 6 is a schematic cross-sectional view of an unmanned aircraft landing gear with ease of deployment adjustment according to the present invention;

fig. 7 is a schematic three-dimensional structure diagram of an unmanned aerial vehicle landing gear convenient for unfolding adjustment according to the invention;

FIG. 8 is a schematic structural view of a damping mechanism of an undercarriage of an unmanned aerial vehicle for facilitating deployment adjustment according to the present invention;

fig. 9 is a schematic cross-sectional structural diagram of a damping mechanism of an unmanned aerial vehicle landing gear convenient for deployment adjustment according to the present invention.

In the figure: 1. a housing; 2. a wing bar; 3. a fan wing; 4. a universal ball; 5. a first connecting rod; 6. a first support bar; 7. a first fixing lever; 8. a rack; 9. a first gear; 10. a second gear; 11. a second fixing bar; 12. a first connection block; 13. a second support bar; 14. a second connecting rod; 15. a transmission rod; 16. a second connecting block; 17. a buffer mechanism; 171. a spring; 172. a top block; 173. a slide bar; 174. a sleeve; 175. a limiting block; 18. a slider; 19. a fixed block; 20. a motor; 21. a limiting groove; 22. a hydraulic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1 to 9, an unmanned aerial vehicle landing gear convenient for unfolding adjustment comprises a casing 1, two first fixing rods 7 are fixed at the bottom of the casing 1 through bolts, two supporting mechanisms are rotatably connected to the circumferential outer walls of the two first fixing rods 7, each supporting mechanism comprises a first connecting block 12, the first connecting block 12 is rotatably connected to the circumferential outer wall of the first fixing rod 7, a second supporting rod 13 is fixed at one side of the first connecting block 12 through bolts, a buffering mechanism 17 is fixed at the bottom of the second supporting rod 13 through bolts, a first supporting rod 6 is fixed at the bottom of the buffering mechanism 17 through bolts, a second connecting rod 14 is fixed at one side of the first connecting block 12 through bolts, a hydraulic rod 22 is fixed at the top of the second connecting rod 14 through bolts, a second connecting block 16 is fixed at the top of the hydraulic rod 22 through bolts, and a motor 20 is fixed at the inner wall of one side of the casing 1 through bolts, one end of the output shaft of the motor 20 is fixed with a second gear 10 through a bolt, one side inner wall of the casing 1 is fixed with a fixed block 19 through a bolt, a limit groove 21 is formed in the fixed block 19, a sliding block 18 is connected in the limit groove 21 in a sliding mode, one side of the sliding block 18 is fixed with a rack 8 through a bolt, the rack 8 is meshed with one side of the second gear 10, one side inner wall of the casing 1 is fixed with a second fixed rod 11 through a bolt, one end of the second fixed rod 11 is rotatably connected with a first gear 9, the first gear 9 is meshed with the other side of the rack 8, the bottom end of the rack 8 is rotatably connected with two transmission rods 15, and two second connecting blocks 16 on the same side are rotatably connected to the outer wall of the circumference of the transmission rod 15.

Example two

Referring to fig. 1 to 9, the present invention provides a new technical solution: an unmanned aerial vehicle landing gear convenient to unfold and adjust comprises a machine shell 1, two symmetrical wing rods 2 are fixed on two sides of the machine shell 1 through bolts, a fan wing 3 is fixed on one end of each wing rod 2 through bolts, two first fixing rods 7 are fixed on the bottom of the machine shell 1 through bolts, two supporting mechanisms are rotatably connected on the circumferential outer walls of the two first fixing rods 7 and play a supporting role for the machine shell 1, each supporting mechanism comprises a first connecting block 12, the first connecting block 12 is rotatably connected on the circumferential outer wall of the first fixing rod 7, a second supporting rod 13 is fixed on one side of the first connecting block 12 through bolts, a buffer mechanism 17 is fixed on the bottom of the second supporting rod 13 through bolts, the buffer mechanism 17 comprises a sleeve 174, a limiting block 175 is slidably connected in the sleeve 174, a sliding rod 173 is fixed on the upper surface of the limiting block 175 through bolts, a spring 171 is fixedly installed between the first supporting rod 6 and the second supporting rod 13, the ejector block 172, the sliding rod 173, the sleeve 174 and the limiting block 175 are located in the spring 171, the sliding rod 173 penetrates through the top of the sleeve 174, the ejector block 172 is fixed to the top of the sliding rod 173 through a bolt, the bottom of the second supporting rod 13 is fixed to the top of the ejector block 172 through a bolt, the top of the first supporting rod 6 is fixed to the bottom of the sleeve 174 through a bolt, when the unmanned aerial vehicle lands, the unmanned aerial vehicle contacts the ground, downward acting force of the unmanned aerial vehicle is transferred to the buffer mechanism 17, the unmanned aerial vehicle body is buffered through the arrangement of the spring 171 in the buffer mechanism 17, the first supporting rod 6 is fixed to the bottom of the buffer mechanism 17 through a bolt, the second connecting rods 14 are fixed to one sides of the first connecting blocks 12 through bolts, the hydraulic rods 22 are fixed to the tops of the second connecting rods 14 through bolts, the second connecting blocks 16 are fixed to the tops of the hydraulic rods 22 through bolts, and the motor 20 is fixed to the inner wall of one side of the machine shell 1 through bolts, one end of an output shaft of a motor 20 is fixed with a second gear 10 through a bolt, a fixed block 19 is fixed on the inner wall of one side of the machine shell 1 through a bolt, a limit groove 21 is formed in the fixed block 19, a sliding block 18 is connected in the limit groove 21 in a sliding mode, a rack 8 is fixed on one side of the sliding block 18 through a bolt, the rack 8 is meshed with one side of the second gear 10, a second fixed rod 11 is fixed on the inner wall of one side of the machine shell 1 through a bolt, one end of the second fixed rod 11 is rotatably connected with a first gear 9, the first gear 9 is meshed with the other side of the rack 8, so that the unmanned aerial vehicle descends through the rotation of the output shaft of the motor 20 when descending, the rack 8 descends to drive an unmanned aerial vehicle undercarriage to descend to finish the approach, when the take-off motor 20 of the unmanned aerial vehicle is started, the unmanned aerial vehicle undercarriage can complete folding and shrinking, and the bottom end of the rack 8 is rotatably connected with two transmission rods 15, two second connecting blocks 16 of homonymy rotate to be connected at the circumference outer wall of transfer line 15, have the head rod 5 through the bolt fastening between two that the supporting mechanism is adjacent, and the bottom of first bracing piece 6 all has universal ball 4 through the bolt fastening, and the jack has been seted up to the bottom of casing 1, and rack 8 and transfer line 15 pass the hole.

The working principle is as follows: when the unmanned aerial vehicle lands, the universal ball 4 contacts the ground, the downward acting force of the unmanned aerial vehicle is transferred to the buffer mechanism 17, so that the unmanned aerial vehicle body is buffered through the spring 171 on the buffer mechanism 17, when the unmanned aerial vehicle needs to move, the unmanned aerial vehicle body is pushed to enable the universal ball 4 to rotate, so that the unmanned aerial vehicle moves, when the unmanned aerial vehicle takes off, the motor 20 is started, the output shaft of the motor 20 rotates to drive the second gear 10 to rotate, the second gear 10 rotates to drive the rack 8 to move up and down, the rack 8 drives the transmission rod 15 to move up and down when moving up and down, the transmission rod 15 moves up and down to drive the second connecting block 16 to rotate, the second connecting block 16 rotates to drive the hydraulic rod 22 to rotate, the hydraulic rod 22 rotates to drive the second connecting rod 14 to rotate, the second connecting rod 14 rotates to drive the first connecting block 12 to rotate, so that the second supporting rod 13 rotates to drive the buffer mechanism 17, the buffer gear 17 rotates, the buffer gear 17 rotates to drive the first supporting rod 6 to rotate, and the first supporting rod 6 rotates to drive the universal ball 4 to rotate, so that the supporting mechanism is folded.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.