Small unmanned aerial vehicle control surface and mold thereof

Abstract

The utility model provides a small unmanned aerial vehicle control surface and a mold thereof, and particularly relates to the technical field of unmanned aerial vehicle control surface design, the small unmanned aerial vehicle control surface comprises an integrally-formed control surface body, the control surface body comprises a rib body, full-height foam plates located on the two sides of the rib body and attached to the two sides of the rib body, and a mold connected with the full-height foam plates and connected with the rib body. The rotating structure is used for rotating the full-height foam board and mounting the full-height foam board; the integrally-formed control surface body is composed of a rib body, a full-height foam board, a rotating structure and a skin, a used main body is the full-height foam board, and the weight of the control surface body can be reduced by replacing a front beam, a rear beam and four auxiliary ribs in an existing control surface with the full-height foam board.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned aerial vehicle control surface design technical field, especially a kind of small unmanned aerial vehicle control surface and its mould. BACKGROUND

[0002] The hinge aileron or adjustable aileron of the trailing edge of the main control surface (aileron, elevator, rudder) of aircraft. On the profile, the adjustment piece is the trailing edge part of main control surface;Controlling the deflection of adjustment piece can change the hinge moment on main control surface;

[0003] The existing unmanned aerial vehicle is mainly composed of front and rear beams, a main rib, four auxiliary ribs and upper and lower skins, and after the unmanned aerial vehicle control surface body is manufactured, the rotating structure needs to be installed on the unmanned aerial vehicle control surface body, the rotating structure is composed of rotating pin shaft and rotating hinge, in order to ensure the connection accuracy of control surface and stabilizer, the rotating pin shaft or hinge on the control surface needs to be positioned by assembly tooling to ensure the installation accuracy, which increases the assembly cycle and assembly cost.

[0004] Therefore, it is necessary to design a mould that can integrally form control surface body and rotating structure and an unmanned aerial vehicle control surface. SUMMARY

[0005] In order to solve the above problems, the utility model provides a small unmanned aerial vehicle control surface and a mould to more accurately solve the above problems.

[0006] The utility model realizes the following technical scheme:

[0007] The utility model provides a small unmanned aerial vehicle control surface, which comprises integrally formed control surface body, the control surface body comprises rib body and full-height foam board located on both sides of the rib body and attached to both sides of the rib body, and rotating structure connected with the full-height foam board and used for mounting the full-height foam board.

[0008] The utility model further comprises PMI.

[0009] The utility model further comprises a plurality of inner grooves connected with the rotating structure on the full-height foam board, and the inner grooves in the middle are located above the rib body.

[0010] The utility model further comprises rotating pin shaft.

[0011] The utility model further comprises skin arranged outside the control surface body.

[0012] A mold for manufacturing the rudder surface of any one of the above small unmanned aerial vehicle, comprising an upper mold and a lower mold, the upper mold and the lower mold are provided with manufacturing grooves, the upper mold and the lower mold are provided with a plurality of uniformly distributed placement grooves for placing the rotating structure, and the inner wall of the manufacturing groove is provided with a plurality of uniformly distributed protrusions.

[0013] The utility model further has a fixing member movably connected in the placement groove for fixing the rotating structure, and an insertion hole is formed through the fixing member.

[0014] The utility model further has a positioning groove formed in the upper mold, and a positioning member is arranged in the positioning groove for fixing the rib body.

[0015] The utility model further has a plurality of first fixing holes formed in the top of the upper mold, a plurality of second fixing holes are formed in the positioning member and located opposite to the first fixing holes, and a first fixing member is connected in the first fixing hole and the second fixing hole.

[0016] The utility model further has a plurality of third fixing holes formed through the lower mold, a plurality of fourth fixing holes are formed in the bottom of the upper mold and located opposite to the third fixing holes, and a second fixing member is connected in the third fixing hole and the fourth fixing hole.

[0017] The utility model has the advantages of:

[0018] The rudder surface body is composed of a rib body, a full-height foam plate, a rotating structure and a skin, wherein the full-height foam plate is used as the main body, the front and rear beams and the four auxiliary ribs in the existing rudder surface are replaced by the full-height foam plate, and the weight of the rudder surface body itself is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the rudder surface body in the utility model;

[0020] Figure 2 It is a structure schematic view of the rotating structure and the inner groove in the utility model;

[0021] Figure 3 It is a structure schematic view of the mold in the utility model;

[0022] Figure 4 It is a structure schematic view of the lower mold in the utility model;

[0023] Figure 5 It is a structure schematic view of the upper mold in the utility model;

[0024] Figure 6The upper die top view structure schematic diagram of the utility model;

[0025] Figure 7 The rib body structure schematic diagram of the utility model.

[0026] In the drawing, 1, rudder body; 11, rib body; 111, connecting plate; 112, protruding part; 12, full-height foam board; 13, rotating structure; 131, rotating pin; 132, fixed end; 133, rotating end; 14, inner groove; 141, circular groove; 15, skin; 2, upper die; 21, positioning groove; 22, positioning piece; 221, inner recess; 3, lower die; 4, manufacturing groove; 41, placing groove; 42, protruding block; 43, fixing piece; 431, insertion hole; 44, first fixing hole; 45, second fixing hole; 46, first fixing piece; 47, third fixing hole; 48, fourth fixing hole; 49, second fixing piece. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the following will be combined with the technical scheme in the utility model embodiment to make clear and complete description, obviously, the described embodiment is part of the utility model, not all. Based on the embodiment of the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] Embodiment 1

[0029] Reference Figures 1-2 A small unmanned aerial vehicle rudder, comprising an integrally formed rudder body 1, the rudder body 1 comprises a rib body 11 and a full-height foam board 12 located on both sides of the rib body 11 and attached to both sides of the rib body 11, and a rotating structure 13 connected with the full-height foam board 12 and used for installing the full-height foam board 12.

[0030] The integrally formed rudder body 1 is composed of a rib body 11, a full-height foam board 12, a rotating structure 13 and a skin 15, wherein the main body used is the full-height foam board 12, by replacing the front and rear beams and four auxiliary ribs in the existing rudder with the full-height foam board 12, the weight of the rudder body 1 itself can be reduced.

[0031] Specifically, the skeleton such as beam and rib in the existing rudder body 1 is generally aluminum alloy (density 2800 kg / m3) or carbon fiber (density 1600 kg / m3), but their densities are relatively large, the foam generally used on the aircraft is PMI, which is stable in wet and hot performance and has low density (generally the density used is 52 kg / m3), by using high foam to replace the front and rear beams and four auxiliary ribs, the overall weight of the rudder body 1 can be reduced by 30%.

[0032] Preferably, the full-height foam board 12 comprises PMI.

[0033] Preferably, the full-height foam board 12 is provided with a plurality of inner grooves 14 connected with the rotating structure 13, and the middle inner groove 14 is located above the rib body 11. The inner groove 14 can provide space for the installation of the rotating structure 13, thereby ensuring the integrated molding work of the rudder body 1 and the rotating structure 13.

[0034] Preferably, the rotating structure comprises a rotating pin shaft 131. It should be noted that the rotating structure 13 disclosed in the present application is a rotating pin shaft 131. Optionally, the rotating pin shaft 131 comprises a rotating end 133 and a fixed end 132 connected with the rotating end 133. The fixed end 132 can be arranged in the inner groove 14, and the inner groove 14 is provided with a circular groove 141 connected with the fixed end 132 on both sides. The rotating end 133 can be used to install the rudder body 1 on the small unmanned aerial vehicle. Figure 2

[0035] Preferably, the rudder body 1 is provided with a skin 15.

[0036] Embodiment 2

[0037] Referring to Figures 3-7 A mold for manufacturing the rudder of the small unmanned aerial vehicle disclosed in any one of the above embodiments comprises an upper mold 2 and a lower mold 3. The upper mold 2 and the lower mold 3 are both provided with a manufacturing groove 4 and a plurality of placement grooves 41 for placing the rotating structure 13. The inner wall of the manufacturing groove 4 is provided with a plurality of protrusions 42. The placement groove 41 is movably connected with a fixing member 43 for fixing the rotating structure 13. The fixing member 43 is provided with an insertion hole 431. The upper mold 2 is provided with a positioning groove 21, and the positioning groove 21 is provided with a positioning member 22 for fixing the rib body 11.

[0038] ​The setting of the manufacturing groove 4 can be used for manufacturing the rudder body 1 itself, preferably, the manufacturing groove 4 is obliquely arranged and one end is arranged in an arc shape, the setting of the placing groove 41 can be used for placing the rotating structure 13, the setting of the protrusion 42 can be used for manufacturing the inner groove 14, and the existence of the inner groove 14 can provide space for the exposure of the rotating part of the rotating structure 13; the setting of the fixing part 43 can fix the rotating end 133 of the rotating structure 13, and the setting of the insertion hole 431 can provide a basis for the insertion work of the fixed end 132 of the rotating structure 13, so as to ensure the fixation work of the fixed end 132 of the rotating structure 13; the setting of the positioning part 22 can fix the rib body 11; the manufacturing groove 4, the placing groove 41, the protrusion 42, the fixing part 43 and the positioning part 22 can cooperate to realize the integrated molding of the rotating structure 13 and the rudder, thereby eliminating the process of installing the rotating structure 13 through the assembly work, and certainly improving the manufacturing efficiency of the rudder body 1.

[0039] In the embodiment, the protrusion 42, the manufacturing groove 4 and the placing groove 41 are opposite to each other in pairs, that is, the protrusion 42, the manufacturing groove 4 and the placing groove 41 are arranged on the upper die 2 and the lower die 3.

[0040] Preferably, referring to Figure 3 - Figure 5 The protrusion 42 is provided with three groups, one of which is two, for manufacturing three inner grooves 14; the placing groove 41 is provided with three groups, for clamping and fixing three fixing parts 43, to ensure the stability of the rotating structure 13 during the manufacturing process.

[0041] Preferably, referring to Figure 7 The rib body 11 includes a connecting plate 111 and a protruding part 112; the setting of the connecting plate 111 can be used to increase the strength of the middle part of the rudder body 1, and the setting of the protruding part 112 can be clamped with the positioning part 22, so as to ensure the fixation work of the rib body 11.

[0042] Preferably, referring to Figure 6 The positioning part 22 is provided with an inner groove 221 matched with the protrusion, and the setting of the inner groove 221 can cooperate with the protruding part 112 and realize the fixation of the rib body 11 between the upper die 2 and the lower die 3.

[0043] Preferably, referring to Figure 3 - Figure 5The top of the upper mold 2 is provided with a plurality of first fixing holes 44, the positioning member 22 is provided with a plurality of second fixing holes 45 which are opposite to the first fixing holes 44 in position, and the first fixing holes 44 and the second fixing holes 45 are connected with first fixing members 4643; the first fixing holes 44 and the second fixing holes 45 can be used for inserting the first fixing members 4643, and the first fixing members 4643 can fix the positioning member 22 to the upper mold 2, thereby ensuring the stability of the positioning member 22 during use;

[0044] The lower mold 3 is provided with a plurality of third fixing holes 47, the bottom of the upper mold 2 is provided with a plurality of fourth fixing holes 48 which are opposite to the third fixing holes 47, and the third fixing holes 47 and the fourth fixing holes 48 are connected with second fixing members 4943; the third fixing holes 47 and the fourth fixing holes 48 can provide space for inserting the second fixing members 4943, and the second fixing members 4943 can fix the upper mold 2 and the lower mold 3, thereby ensuring the production of the rudder body 1;

[0045] Optionally, the fixing holes can be screw holes, and the fixing members 43 can be screws.

[0046] Of course, the utility model can have other various implementation manners, and other implementation manners obtained by those skilled in the art based on the implementation manner without any creative labor belong to the range protected by the utility model.

Claims

1. A small unmanned aerial vehicle control surface, characterized by, The rudder body is integrally formed, and comprises a rib body, full-height foam plates located on both sides of the rib body and abutting against the rib body, and rotating structures connected with the full-height foam plates and used for mounting the full-height foam plates.

2. The small unmanned aerial vehicle control surface of claim 1, wherein, The full-height foam plates comprise PMI.

3. The small unmanned aerial vehicle control surface of Claim 1, wherein, The full-height foam plates are provided with a plurality of inner grooves connected with the rotating structures, and the inner grooves in the middle are located above the rib body.

4. The small unmanned aerial vehicle control surface of Claim 1, wherein, The rotating structures comprise rotating pins.

5. The small unmanned aircraft control surface of Claim 1, wherein, The rudder body is externally provided with a skin.

6. A mold for manufacturing a small unmanned aerial vehicle control surface according to any one of claims 1-5, characterized in that, The upper mold and the lower mold are both provided with a manufacturing groove, and the upper mold and the lower mold are both provided with a plurality of uniformly distributed placing grooves used for placing the rotating structures, and the inner wall of the manufacturing groove is provided with a plurality of uniformly distributed protrusions.

7. A mold according to claim 6, wherein The placing grooves are movably connected with fixing members used for fixing the rotating structures, and the fixing members are provided with insertion holes.

8. A mold according to claim 6, wherein The upper mold is provided with a positioning groove, and the positioning groove is provided with a positioning member used for fixing the rib body.

9. A mold according to claim 8, wherein The top of the upper mold is provided with a plurality of first fixing holes, the positioning member is provided with a plurality of second fixing holes opposite to the first fixing holes, and the first fixing holes and the second fixing holes are connected with first fixing members.

10. A mold as defined in claim 6, wherein The lower mold is provided with a plurality of third fixing holes, the bottom of the upper mold is provided with a plurality of fourth fixing holes opposite to the third fixing holes, and the third fixing holes and the fourth fixing holes are connected with second fixing members.

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