A waterproof cabin of a drone and a fixed-wing unmanned aerial vehicle

Abstract

The application discloses a waterproof cabin of an unmanned aerial vehicle and a fixed-wing unmanned aerial vehicle. The contact part of the cabin cover and the cabin body is provided with fine and dense teeth, which can cooperate with sealing glue and achieve high waterproof performance. The connection between the left and right sides of the cabin cover and the cabin body is fastened through a sealing nut assembly, which provides positioning for the cabin cover and gives the sealing glue a certain pressure, so that the sealing glue is better matched with the cabin body. The connection between the rear side of the cabin cover and the cabin body is realized through a rotating fastening device. The positioning ball on the lower rotating arm is rotated by twisting the upper rotating arm, the ball moves along the slide rail, the thickness of the slide rail is higher in the middle, and the cooperation with the positioning ball is tighter. When the positioning ball rotates to the center position of the slide rail, the center positioning groove is used to clamp the positioning ball, so that the front and rear of the cabin cover and the cabin body are fastened, and the sealing glue at the connection is given pressure, so that better sealing performance is achieved. The design of the two fastening devices achieves sealing performance at the same time, and prevents rainwater from penetrating from the device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of unmanned aerial vehicle design, in particular to a waterproof cabin of unmanned aerial vehicle and a fixed-wing unmanned aerial vehicle. BACKGROUND

[0002] With the development of unmanned aerial vehicle industry in China, unmanned aerial vehicle inspection has been widely used in various industries, gradually replacing a part of manual work, and the efficiency is improved while the cost is greatly reduced. Unmanned aerial vehicle all-weather flight has gradually become a trend, and most of the inspection robots adopt vertical take-off type or fixed-wing type unmanned aerial vehicle. For example, the fixed-wing unmanned aerial vehicle includes a cabin and an unmanned aerial vehicle flight control system arranged in the cabin, wings arranged on both sides of the cabin, a rudder arranged on the wing, and a tail wing arranged at the tail of the cabin. The cabin includes a cabin body and a hatch for sealing the cabin body. However, the waterproof ability of the cabin of most vertical take-off type or fixed-wing type unmanned aerial vehicles is poor at present. If it encounters long-term rainy weather, the unmanned aerial vehicle cannot work, which will seriously affect the project progress. To realize the operation of unmanned aerial vehicle in rainy days, the waterproof ability of the cabin of unmanned aerial vehicle needs to be greatly improved.

[0003] Various electronic devices such as flight control, load equipment and battery are loaded in the cabin of unmanned aerial vehicle. Once water enters, the electronic devices will be damaged and even the unmanned aerial vehicle will crash. In order to ensure flight safety, the waterproof treatment of the hatch is particularly important. The current hatch design of unmanned aerial vehicle mostly adopts mutual buckle type lock, rotating hinge and spring latch for fixation. Most of these fixation devices do not have waterproof ability. Moreover, the contact parts of the hatch and the cabin body adopt plane contact. Rainwater will directly enter the cabin body through the contact surface and damage the internal electronic devices. Therefore, the sealing structure of the hatch and the cabin body of the unmanned aerial vehicle needs to be improved to improve the waterproof performance of the cabin body of the unmanned aerial vehicle. SUMMARY

[0004] In view of the problems in the prior art, the present application provides a waterproof cabin of unmanned aerial vehicle and a fixed-wing unmanned aerial vehicle. The waterproof cabin can effectively improve the waterproof performance of the unmanned aerial vehicle and improve the safety of the unmanned aerial vehicle flight.

[0005] The present application is realized by the following technical solutions:

[0006] A waterproof cabin of unmanned aerial vehicle, comprising a cabin body, a hatch, and a rotating locking device.

[0007] The top of the cabin body is provided with an opening, the bottom surface edge of the hatch is provided with a sealing structure, the hatch covers the opening part of the cabin body, the sealing structure is pressed between the hatch and the cabin body, and the hatch is sealingly connected with the cabin body through the rotating locking device.

[0008] The rotating locking device comprises a rotating arm, a locking arm, a spring device and a rotating fastening block.

[0009] The rotating fastening block is arranged on the inside of the cabin body, the lower end of the rotating arm extends into the inside of the cabin body through the hatch cover, the locking arm is arranged on the lower end of the rotating arm and is arranged perpendicularly to the rotating arm, the elastic device is sleeved on the rotating arm, the rotating arm can drive the locking arm to rotate to the bottom of the rotating fastening block, and the locking arm is buckled with the bottom of the rotating fastening block by compression of the elastic device.

[0010] Preferably, the top surface of the cabin body opening part is a horizontal positioning surface, the two sides of the cabin body opening part are symmetrically provided with sealing surfaces matched with the hatch cover, and the end part of the cabin body opening part is provided with a fixed plate for mounting the rotating arm, and the two sides of the fixed plate are smoothly connected with the sealing surfaces.

[0011] Preferably, the hatch cover is a dome structure, and each edge of the inner wall of the hatch cover is provided with a sealing structure, and the plurality of sealing structures are connected in head-tail mode and form an annular closed structure.

[0012] Preferably, the sealing structure comprises a plurality of tooth-shaped sealing strips parallel to each other and arranged along the edge of the hatch cover, and the tooth-shaped sealing strips are provided with sealing glue between the tooth-shaped sealing strips and the cabin body.

[0013] Preferably, the bottom of the rotating fastening block is provided with an arc-shaped sliding groove, a positioning groove is arranged on the track of the sliding groove, and the end part of the locking arm is provided with a positioning ball matched with the positioning groove.

[0014] Preferably, the depth of the sliding groove smoothly increases from the positioning groove to the end part.

[0015] Preferably, the rotating arm comprises an upper rotating arm and a lower rotating arm sleeved with each other and connected through a pin, and the elastic device is sleeved on the upper rotating arm and located between the hatch cover and the cabin body.

[0016] Preferably, the elastic device comprises a rubber gasket and a sealing glue sleeve, the rubber gasket and the sealing glue sleeve are sleeved on the upper rotating arm and located at the top of the lower rotating arm, the lower rotating arm is mounted in the through hole of the fixed plate, the upper rotating arm is mounted in the fixed hole of the hatch cover, and the rubber gasket and the sealing glue sleeve are located between the hatch cover and the fixed plate.

[0017] Preferably, the middle part of the hatch cover is sealingly connected with the cabin body through a fixing device.

[0018] A fixed-wing unmanned aerial vehicle, characterized in that the unmanned aerial vehicle waterproof cabin is included.

[0019] Compared with the prior art, the present application has the following beneficial technical effects:

[0020] The unmanned aerial vehicle waterproof cabin provided by the application has fine and dense tooth-shaped contact parts between the cabin cover and the cabin body, which can cooperate with sealing glue and achieve high waterproof performance. The connection between the left and right sides of the cabin cover and the cabin body is fastened by a sealing nut assembly, which provides positioning for the cabin cover and gives the sealing glue a certain pressure, so that the sealing glue cooperates better with the cabin body. The connection between the rear side of the cabin cover and the cabin body is realized by a rotating fastening device. By rotating the upper rotating arm, the lower rotating arm drives the positioning ball to rotate. The ball moves along the sliding groove. The thicker the sliding groove is in the middle, the tighter the cooperation with the positioning ball is. When the positioning ball rotates to the center position of the sliding groove, the center positioning groove clamps the positioning ball, ensuring the front and rear fastening of the cabin cover and the cabin body, and giving the sealing glue at the connection a pressure to achieve better sealing performance. The design of the two fastening devices achieves sealing performance at the same time, preventing rainwater from penetrating from the device. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an appearance schematic diagram of the unmanned aerial vehicle waterproof cabin of the application.

[0022] Figure 2 It is a structural schematic diagram of the unmanned aerial vehicle waterproof cabin body of the application.

[0023] Figure 3 It is a bottom view of the unmanned aerial vehicle waterproof cabin cover of the application.

[0024] Figure 4 It is an external structural schematic diagram of the unmanned aerial vehicle waterproof cabin cover of the application.

[0025] Figure 5 It is an internal structural schematic diagram of the unmanned aerial vehicle waterproof cabin body in a cross-sectional state of the application.

[0026] Figure 6 It is an explosion diagram of the unmanned aerial vehicle waterproof cabin cover and cabin body connecting device of the application.

[0027] Figure 7 It is a structural schematic diagram of the locking device of the application.

[0028] Figure 8 It is an explosion diagram of the locking device of the application.

[0029] In the figure: 1. cabin cover, 2. fixing hole, 3. bolt hole, 4. cabin body, 5. rotating fastening block, 6. fixing device, 7. positioning surface, 8. sealing surface, 9. fixed plate, 10. rotating locking device, 11. sealing structure, 21. upper rotating arm, 22. rubber gasket, 23. sealing glue sleeve, 24. positioning pin, 25. pin hole, 27. lower rotating arm, 28. positioning ball, 31. knurled nut, 32. rubber gasket, 33. nut, 34. positioning hole, 35. rubber gasket, 36. metal gasket, 37. fastening bolt, 51. sliding groove, 52. positioning clamping groove, 53. fixing bolt, 54. fixing hole. DETAILED DESCRIPTION

[0030] The application will be further described in detail below with reference to the accompanying drawings, which are provided for explanation rather than limitation.

[0031] Referring to Figures 1-8 The unmanned aerial vehicle waterproof cabin comprises a cabin body 4, a cabin cover 1, a rotating locking device 10 and a fixing device 6.

[0032] The cabin body 4 is a hollow structure, and the top of the cabin body is provided with an opening. The bottom edge of the cabin cover 1 is provided with a sealing structure 11. The cabin cover 1 is embedded on the top of the cabin body and seals the opening part of the cabin body 4. The sealing structure 11 is pressed between the cabin cover 1 and the cabin body. The two ends of the cabin cover 1 are sealingly connected with the cabin body through the rotating locking device 10. The middle part of the cabin cover 1 is sealingly connected with the cabin body 4 through the fixing device 6.

[0033] The rotating locking device 10 comprises a rotating arm, a locking arm, an elastic device and a rotating fastening block 5. The rotating fastening block 5 is arranged on the inside of the cabin body. The lower end of the rotating arm extends into the inside of the cabin body through the cabin cover 1. The locking arm is arranged on the lower end of the rotating arm and is arranged perpendicularly to the rotating arm. The elastic device is sleeved on the rotating arm. The rotating arm can drive the locking arm to rotate to the bottom of the rotating fastening block 5. The elastic device is compressed to make the locking arm buckled with the bottom of the rotating fastening block 5.

[0034] Referring to Figure 2 and 5 The cabin body 4 is an overall hollow oval shape. The opening part is arranged on the top of the cabin body 4 and along the axial direction of the cabin body. The top of the opening part of the cabin body 4 is a horizontal positioning surface. The two sides of the opening part of the cabin body 4 are oppositely provided with concave sealing surfaces 8. The shape of the sealing surface matches the shape of the cabin cover. The two sides of the cabin cover 1 are covered on the sealing surfaces. The middle part of the cabin cover closes the opening part of the cabin body. The two ends of the opening part of the cabin body are provided with fixing plates 9 for mounting the rotating arms. The two sides of the fixing plates 9 are smoothly connected with the sealing surfaces.

[0035] Referring to Figure 3 The cabin cover 1 is an overall rectangular dome structure. Each edge of the inner wall of the cabin cover 1 is respectively provided with a sealing structure 11. The four sealing structures form an annular closed structure. The sealing structure is a tooth-shaped sealing strip. The sealing body is arranged along the edge of the cabin cover 1. In this embodiment, the sealing structure comprises a plurality of continuously arranged tooth-shaped sealing strips. When the cabin cover is embedded on the top of the cabin body, the tips of the tooth-shaped sealing strips abut against the sealing surface of the cabin body and the top surface of the fixing plate. Under the action of pressure, the tips of the tooth-shaped sealing strips will be deformed to a certain extent, so that a plurality of linear seals are formed between the cabin body and the cabin cover. Compared with the existing face sealing mode, the waterproof performance of the cabin body is greatly improved.

[0036] Referring to Figure 4The rotating fastening block 5 is provided with a fixing hole 54, and is fixed to the bottom of the fixing plate 9 and located in the inside of the cabin through a fixing bolt 53. The bottom of the rotating fastening block 5 is provided with an arc-shaped sliding groove 51, and the track of the sliding groove 51 is provided with a positioning groove 52. The end of the locking arm is provided with a positioning ball 28. When the rotating arm rotates, the positioning ball 28 moves along the sliding groove and can rotate into the positioning groove, and is locked under the action of the elastic force.

[0037] Referring to Figures 6-8 The rotating arm comprises an upper rotating arm 21 and a lower rotating arm 27 which are sleeved with each other. The lower rotating arm 27 is a hollow structure. The upper rotating arm 21 and the lower rotating arm 27 are both provided with pin holes. The lower end of the upper rotating arm 21 is sleeved in the lower rotating arm 27. The two pin holes are coaxial and connected to form an integral structure through a positioning pin 24. The upper end of the upper rotating arm 21 is provided with a torsion handle, which facilitates the rotation of the rotating arm.

[0038] The elastic device comprises a rubber pad 22 and a sealing rubber sleeve 23. The rubber pad 22 and the sealing rubber sleeve 23 are sleeved on the upper rotating arm 21 and located at the top of the lower rotating arm 27. The fixing plate is provided with a through hole. The lower rotating arm 27 is installed in the through hole, and the rubber pad 22 and the sealing rubber sleeve 23 are located at the mouth of the through hole. The hatch cover is provided with a fixing hole 2. The upper rotating arm 21 is located in the fixing hole 2, and the rubber pad 22 and the sealing rubber sleeve 23 are located at the bottom of the hatch cover. When the rotating arm rotates or is locked, the sealing rubber sleeve 23 is in a compressed state to seal the fixing hole 2 and the through hole.

[0039] The fixing device 6 comprises two groups of bolt sealing assemblies which are symmetrically distributed along the axial direction of the cabin. The bolt sealing assemblies seal and connect the middle part of the hatch cover and the cabin through the positioning surface. The bolt sealing assembly comprises a fastening bolt 37, a nut 33 and a knurled nut 31. The positioning surface of the cabin and the hatch cover are provided with coaxial positioning holes 34 and bolt holes 3. The fastening bolt 37 is sleeved with a rubber pad 35 and a metal pad 36 from bottom to top. The rubber pad 35 and the metal pad 36 are located at the bottom of the positioning hole. The upper end of the fastening bolt 37 passes through the bolt hole 3. The upper end of the fastening bolt 37 is sleeved with a rubber pad 32 and located at the top of the hatch cover. The knurled nut 31 is connected with the bolt and presses the rubber pad 32 at the top of the hatch cover.

[0040] The assembly method of the waterproof cabin of the unmanned aerial vehicle provided by the present application will be described in detail below, which specifically comprises the following processes.

[0041] Before the hatch cover 1 is installed, the relevant devices on the cabin body 4 are installed in place. First, the metal gasket 36 is sleeved on the fastening bolt 37, and the rubber gasket 35 is sleeved on the metal gasket 36, the metal gasket 36 is used to increase the contact area of the bolt 37 and the rubber gasket 35, the fastening bolt 37 is passed through the cabin body 4 from bottom to top, and is fixed on the cabin body 4 by the nut 33, the rotary fastening block 5 is installed on the lower side of the fixed hole 2 on the cabin body 4 corresponding to the rear side of the hatch cover, and the fixed bolt 53 is passed through the fixed hole 54 to be fastened.

[0042] The relevant parts on the hatch cover 1 are installed in place, the sealing rubber sleeve 23 is installed at the fixed hole 2, the rubber gasket 22 is sleeved on the shaft neck of the upper rotary arm 21, and is passed through the inside of the sealing rubber sleeve 23 of the fixed hole 2, the inner hole of the lower rotary arm 27 is matched with the shaft neck of the upper rotary knob 21, the pin hole of the lower rotary arm 27 is aligned with the pin hole 25 of the upper rotary arm 21, and then the positioning pin 24 is inserted to be fixed. When installing, the direction should be paid attention to, and the positioning ball 28 does not contact the sliding groove of the rotary fastening block 5 at this time.

[0043] At this time, the waterproof material preparation work before the hatch cover 1 is installed is performed, the sealing rubber is applied on the matching part of the cabin body 4 and the hatch cover 1 and the sealing structure 11 around the hatch cover.

[0044] Finally, the installation of the hatch cover is performed, the fixed holes 2 on the left and right sides of the hatch cover 1 are passed through the fastening bolts 37, the rubber gasket 32 is sleeved on the fixed holes 37 on the outer extension part of the hatch cover 1, then the knurled nut 31 is installed on the bolt 37, the hatch cover 1 and the cabin body 4 on the left and right sides are fastened by rotating the knurled nut 31. Then the upper rotary arm 21 is rotated, the positioning ball 28 is rotated along the sliding groove 51, the sliding groove is gradually raised, when the upper rotary arm 21 is rotated to the horizontal position, the positioning ball 28 will be fixed in the positioning clamping groove 52 at the center of the sliding groove, at this time, the rear side fastening of the hatch cover 1 and the cabin body 4 is completed. At this time, the installation of the hatch cover is completed, and at the same time of completing the fastening, the sealing rubber can be better matched with the hatch cover 1 and the cabin body 4 through the pressure generated by the fastening.

[0045] The application also provides a fixed-wing unmanned aerial vehicle, comprising wings and the waterproof cabin, two wings are symmetrically arranged on the two sides of the waterproof cabin, a rudder is arranged on the wing, and a tail wing is arranged at the tail of the waterproof cabin.

[0046] The above content only illustrates the technical idea of the application, and cannot limit the protection scope of the application, and any modification made on the basis of the technical solution according to the technical idea of the application falls within the protection scope of the claims of the application.

Claims

1. A waterproof cabin for a drone, characterized in that, The utility model relates to a waterproof cabin for unmanned aerial vehicle, which comprises a cabin body (4), a cabin cover (1) and a rotating locking device (10). The top of the cabin body (4) is provided with an opening, the bottom edge of the cabin cover (1) is provided with a sealing structure (11), the cabin cover (1) covers the opening part of the cabin body (4), the sealing structure (11) is pressed between the cabin cover (1) and the cabin body, and the cabin cover (1) is sealingly connected with the cabin body through the rotating locking device (10). The rotating locking device (10) comprises a rotating arm, a locking arm, an elastic device and a rotating fastening block (5). The rotating fastening block (5) is arranged on the inside of the cabin body, the lower end of the rotating arm extends into the inside of the cabin body through the cabin cover (1), the locking arm is arranged on the lower end of the rotating arm and is arranged perpendicularly to the rotating arm, the elastic device is sleeved on the rotating arm, the rotating arm can drive the locking arm to rotate to the bottom of the rotating fastening block (5), and the elastic device is compressed to enable the locking arm to be buckled with the bottom of the rotating fastening block (5). The bottom of the rotating fastening block (5) is provided with an arc-shaped sliding groove (51), the track of the sliding groove (51) is provided with a positioning groove (52), and the end of the locking arm is provided with a positioning ball (28) matched with the positioning groove (52). The depth of the sliding groove (51) is smoothly increased from the positioning groove to the end. The rotating arm comprises an upper rotating arm (21) and a lower rotating arm (27) which are sleeved with each other and connected through a pin, and the elastic device is sleeved on the upper rotating arm (21) and located between the cabin cover and the cabin body. The elastic device comprises a rubber gasket (22) and a sealing rubber sleeve (23), the rubber gasket (22) and the sealing rubber sleeve (23) are sleeved on the upper rotating arm (21) and located on the top of the lower rotating arm (27), the lower rotating arm (27) is installed in the through hole of the fixed plate, the upper rotating arm (21) is installed in the fixed hole (2) of the cabin cover, and the rubber gasket (22) and the sealing rubber sleeve (23) are located between the cabin cover and the fixed plate.

2. The waterproof cabin of claim 1, wherein, The top surface of the opening part of the cabin body (4) is a horizontal positioning surface, the two sides of the opening part of the cabin body (4) are symmetrically provided with sealing surfaces (8) matched with the cabin cover, and the end of the opening part of the cabin body is provided with a fixed plate (9) for installing the rotating arm, and the two sides of the fixed plate (9) are smoothly connected with the sealing surfaces.

3. The waterproof cabin of claim 1, wherein, The cabin cover (1) is a dome structure, each edge of the inner wall of the cabin cover (1) is provided with a sealing structure (11), and a plurality of sealing structures are connected in series and form an annular closed structure.

4. The waterproof cabin of claim 3, wherein, The sealing structure comprises a plurality of tooth-shaped sealing strips which are parallel to each other and arranged along the edge of the cabin cover (1), and sealing glue is arranged between the tooth-shaped sealing strips and the cabin body.

5. The waterproof cabin of claim 1, wherein, The middle part of the cabin cover (1) is sealingly connected with the cabin body (4) through a fixing device (6).

6. A fixed-wing drone, characterized in that, The utility model relates to a waterproof cabin for unmanned aerial vehicle, which comprises a cabin body (4), a cabin cover (1) and a rotating locking device (10).

Images