CN219884073U - Wing surface unfolding locking mechanism - Google Patents
Wing surface unfolding locking mechanism Download PDFInfo
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- CN219884073U CN219884073U CN202320679387.2U CN202320679387U CN219884073U CN 219884073 U CN219884073 U CN 219884073U CN 202320679387 U CN202320679387 U CN 202320679387U CN 219884073 U CN219884073 U CN 219884073U
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- airfoil
- airfoil surface
- wing
- wing surface
- locking
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- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 230000009471 action Effects 0.000 claims abstract description 7
- 210000001503 joint Anatomy 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- CJRQAPHWCGEATR-UHFFFAOYSA-N n-methyl-n-prop-2-ynylbutan-2-amine Chemical compound CCC(C)N(C)CC#C CJRQAPHWCGEATR-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model belongs to the aviation field, and particularly discloses an airfoil unfolding locking mechanism, wherein an upper airfoil surface and a lower airfoil surface are connected in a hinged manner through a pin shaft, a torsion spring is sleeved on the pin shaft, the upper airfoil surface can be folded or unfolded in a rotating manner relative to the lower airfoil surface under the action of the pin shaft and the torsion spring, after the upper airfoil surface is unfolded in a rotating manner relative to the lower airfoil surface, a matching surface at the lower end part of the upper airfoil surface and a matching surface at the upper end part of the lower airfoil surface are locked through surface contact to limit the unfolding degree of the upper airfoil surface, and the upper airfoil surface moves relative to the lower airfoil surface along the axial direction of the pin shaft to enable a locking surface between the upper airfoil surface and the lower airfoil surface to be tightly attached to realize the axial locking of the upper airfoil surface along the pin shaft.
Description
Technical Field
The utility model belongs to the field of aviation, and particularly discloses an airfoil unfolding locking mechanism.
Background
The use of the wing surface unfolding locking mechanism can save space to a great extent, is beneficial to storage and transportation of products, and generally speaking, the folding wing surface comprises a wing surface, a folding mechanism and a driver, wherein the folding mechanism comprises the folding unfolding mechanism, a synchronizing mechanism, a positioning locking mechanism, a safety mechanism and the like, the folding unfolding mechanism has the functions of enabling the wing surface to be folded and enabling the wing surface in a folded state to be unfolded in place under a certain condition, the synchronizing mechanism ensures that each wing surface is unfolded and then is in place at the same time, and the positioning locking mechanism has the functions of enabling the folding wing to be accurately positioned at a preset position, be reliably locked and bear design loads.
The structural design of the small folding wing surface is simple and the weight and volume are small on the basis of ensuring the design performance requirement, so that the mechanism of the small folding wing surface mostly needs to adopt a manual folding and automatic unfolding mode to reduce a folding unfolding driving mechanism and a positioning locking mechanism, has positioning and self-locking functions, omits a synchronizing mechanism and a safety mechanism, and also needs to select a spring for driving so as to reduce the complexity of a driver.
Disclosure of Invention
In order to solve the problems in the background technology, the utility model discloses an airfoil unfolding locking mechanism which comprises a torsion spring and a pin shaft, wherein the spring drives the automatic unfolding and manual folding, and has the functions of positioning and self locking.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a locking mechanism is expanded to airfoil, includes upper airfoil surface and lower airfoil surface, and the position that meets at upper airfoil surface and lower airfoil surface is equipped with the lug that a plurality of archs set up along the seam interval respectively be provided with the round pin axle between the lug, articulated connection through the round pin axle between upper airfoil surface and the lower airfoil surface, establish torsion spring at the epaxial cover of round pin, torsion arm at torsion spring both ends is connected with upper airfoil surface and lower airfoil surface respectively, under the effect of round pin axle and torsion spring, upper airfoil surface can rotate folding or expansion relatively lower airfoil surface, be provided with locking part in the position that upper airfoil surface and lower airfoil surface butt joint, when upper airfoil surface rotates expansion relatively lower airfoil surface, locking part can be followed upper airfoil surface expansion direction and locked the upper airfoil surface degree of expansion restriction.
Further, the wing surface unfolding locking mechanism comprises a locking part, wherein the locking part comprises an upper wing surface and a lower wing surface, the butt joint surfaces are arranged in a matched mode, each butt joint surface comprises a matching surface horizontally arranged at the lower end part of the upper wing surface and a matching surface horizontally arranged at the upper end part of the lower wing surface, and after the upper wing surface is unfolded in a rotating mode relative to the lower wing surface, the matching surface at the lower end part of the upper wing surface and the matching surface at the upper end part of the lower wing surface are in surface contact with each other to lock the wing surface to limit the unfolding degree of the upper wing surface.
Further, the wing surface unfolding locking mechanism is characterized in that a wedge-shaped locking surface which is matched and arranged is arranged between adjacent protruding blocks between the upper wing surface and the lower wing surface, and under the action of a torsion spring, after the upper wing surface is unfolded in a rotating mode relative to the lower wing surface, the upper wing surface can move relative to the lower wing surface along a pin shaft, so that the locking surface between the upper wing surface and the lower wing surface is tightly attached to lock the upper wing surface along the axial direction of the pin shaft.
Further, the wing surface unfolding locking mechanism is characterized in that the lug at the lower end of the upper wing surface is of a hollow cylindrical structure, the pin shaft and the torsion spring are all arranged in the middle of the cylinder in a penetrating mode, and the outer circular surface of the lug is in smooth transition with the inner edge of the matching surface of the upper wing surface.
Further, the wing surface unfolding locking mechanism is also provided with protruding ribs arranged at the outer edge of the upper wing surface matching surface.
Compared with the prior art, the utility model has the beneficial effects that:
according to the wing surface unfolding locking mechanism, the upper wing surface and the lower wing surface are connected in a hinged mode through the pin shaft, the torsion spring is sleeved on the pin shaft, the upper wing surface can be folded or unfolded in a rotating mode relative to the lower wing surface under the action of the pin shaft and the torsion spring, after the upper wing surface is unfolded in a rotating mode relative to the lower wing surface, the upper wing surface unfolding degree is limited through the fact that the matching surface of the lower end portion of the upper wing surface is locked with the matching surface of the upper end portion of the lower wing surface through surface contact, and then the upper wing surface moves relative to the lower wing surface along the axial direction of the pin shaft to enable the locking surface between the upper wing surface and the lower wing surface to be tightly attached to enable the upper wing surface to be locked along the axial direction of the pin shaft.
Drawings
FIG. 1 is a schematic view of the airfoil of the present utility model in a folded condition;
FIG. 2 is a schematic representation of the present utility model with the airfoil deployed to a limited unlocked condition;
FIG. 3 is a schematic view of the wing panel in the unfolded locked state of the present utility model;
FIG. 4 is a schematic elevational view of the upper airfoil of the present utility model;
FIG. 5 is a schematic side view of the upper airfoil of the present utility model;
FIG. 6 is a schematic view of the structure of the lower airfoil of the present utility model;
in the above figures: 1-an upper airfoil surface; 1.1-an upper airfoil body; 1.2-bump; 1.3-locking surface A; 1.4-mating surfaces; 2-a lower airfoil surface; 2.1-a lower airfoil body; 2.2-grooves; 2.3-locking face B; 3-torsion springs; 4-pin shaft.
Detailed Description
For a better understanding of the present utility model, the following examples are further illustrated, but are not limited to the following examples.
Referring to fig. 1-6, the utility model provides an airfoil unfolding locking mechanism, which comprises an upper airfoil surface 1 and a lower airfoil surface 2, wherein the upper airfoil surface 1 comprises an upper airfoil surface body 1.1, the lower airfoil surface 2 comprises a lower airfoil surface body 2.1, a plurality of protruding blocks 1.2 which are arranged at the joint positions of the upper airfoil surface body 1.1 and the lower airfoil surface body 2.1 are respectively arranged at intervals along joints, a pin shaft 4 is arranged between the protruding blocks 1.2, the upper airfoil surface body 1.1 and the lower airfoil surface body 2.1 are in hinged connection through the pin shaft 4, a torsion spring 3 is sleeved on the pin shaft 4, torsion arms at two ends of the torsion spring 3 are respectively connected with the upper airfoil surface body 1.1 and the lower airfoil surface body 2.1, under the action of the pin shaft 4 and the torsion spring 3, a locking part is arranged at the butt joint position of the upper airfoil surface 1 and the lower airfoil surface 2, and can lock the upper airfoil surface 1 along the unfolding direction of the upper airfoil surface 1 to limit the unfolding degree of the upper airfoil surface 1 when the upper airfoil surface 1 is rotated and unfolded relatively to the lower airfoil surface 2.
As an alternative design, the wing surface unfolding locking mechanism is preferred, the locking component comprises a butt joint surface which is arranged at the butt joint position of the upper wing surface 1 and the lower wing surface 2 in a matching way, the butt joint surface comprises a matching surface 1.4 horizontally arranged at the lower end part of the upper wing surface 1 and a matching surface horizontally arranged at the upper end part of the lower wing surface 2, and after the upper wing surface 1 is unfolded in a rotating way relative to the lower wing surface 2, the matching surface 1.4 at the lower end part of the upper wing surface 1 and the matching surface at the upper end part of the lower wing surface 2 are locked through surface contact to limit the unfolding degree of the upper wing surface 1.
As an alternative design, preferably, the wing surface unfolding locking mechanism is provided with wedge-shaped locking surfaces which are matched and arranged between adjacent convex blocks 1.2 between the upper wing surface 1 and the lower wing surface 2, the locking surfaces comprise locking surfaces A1.3 on the side edges of the convex blocks 1.2 of the upper wing surface 1 and locking surfaces B2.3 on the side edges of the convex blocks 1.2 of the lower wing surface 2, the locking surfaces A1.3 and the locking surfaces B2.3 are matched and arranged, under the action of a torsion spring 3, after the upper wing surface 1 is unfolded in place relative to the lower wing surface 2 in a rotating way, the upper wing surface 1 moves relative to the lower wing surface 2 along a pin shaft 4, so that the locking surfaces A1.3 and the locking surfaces B2.3 between the upper wing surface 1 and the lower wing surface 2 are tightly attached to realize axial locking of the upper wing surface 1 along the pin shaft 4, and a concave groove 2.2 arranged at the position, close to the locking surface B2.3, of the upper end part of the lower wing surface 2 is arranged.
As an alternative design, the airfoil unfolding and locking mechanism is preferable, the upper airfoil surface 1 comprises an upper airfoil surface body 1.1 with a planar plate-shaped design and a convex block 1.2 arranged at the lower end part of the upper airfoil surface body 1.1, the convex block 1.2 is of a hollow cylindrical structure, the pin shaft 4 and the torsion spring 3 are all arranged in the middle of the cylinder in a penetrating way, and the outer circular surface of the convex block 1.2 is in smooth transition with the inner edge of the matching surface 1.4 at the lower end part of the upper airfoil surface 1.
As an alternative design, the wing surface unfolding locking mechanism is preferably provided, wherein a convex rib is further arranged at the outer edge of the matching surface 1.4 of the upper wing surface 1, after the upper wing surface 1 is unfolded rotationally relative to the lower wing surface 2, the matching surface 1.4 of the lower end part of the upper wing surface 1 is contacted with the matching surface of the upper end part of the lower wing surface 2 through a surface contact to lock the upper wing surface 1, and at the moment, the convex rib is contacted with the matching surface of the upper end part of the lower wing surface 2 to limit the upper wing surface 1 to be unfolded continuously.
The working process of the utility model is as follows:
as shown in fig. 1, the upper airfoil surface 1 is folded relative to the lower airfoil surface 2, at this time, the torsion spring 3 receives axial compression force and normal torsion force, when the upper airfoil surface 1 needs to be unfolded relative to the lower airfoil surface 2, the torsion spring 3 releases normal torsion force first, the torsion spring releases torsion force to expand the upper airfoil surface 1 relative to the lower airfoil surface 2, the mating surface 1.4 at the lower end part of the upper airfoil surface 1 and the mating surface at the upper end part of the lower airfoil surface 2 lock the upper airfoil surface through surface contact, and because under the torsion force of the torsion spring 3, the upper airfoil surface 1 does not swing back and forth after two planes contact, the upper airfoil surface 1 expands to be parallel to the lower airfoil surface 2, the convex edge at the lower end of the upper airfoil surface 1 contacts with the mating surface at the upper end part of the lower airfoil surface 2, so as to limit the upper airfoil surface 1 to continue expanding, so that the upper airfoil surface 1 can not overturn excessively, and realize primary limit, as shown in fig. 2, the upper airfoil surface 1 expands to reach limit but is not locked;
after the upper airfoil surface 1 is unfolded to reach the limit and the lower airfoil surface 2 is kept horizontal, the torsion spring 3 which is axially compressed releases axial compression force to enable the upper airfoil surface 1 to axially move backwards along the pin shaft 4, at the moment, the locking surface A1.3 and the locking surface B2.3 between the upper airfoil surface 1 and the lower airfoil surface 2 are butted together and are in close contact to realize the axial locking of the upper airfoil surface 1 along the pin shaft 4.
The above description is only an application embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto, and the scope of the claims should not be limited thereto, and any equivalent changes according to the technical solution of the present utility model should be covered in the protection scope of the present utility model.
Claims (5)
1. An airfoil deployment locking mechanism comprising an upper airfoil surface and a lower airfoil surface, characterized by: the upper wing surface and the lower wing surface are connected through a hinge pin, a torsion spring is sleeved on the hinge pin, torsion arms at two ends of the torsion spring are respectively connected with the upper wing surface and the lower wing surface, the upper wing surface can be folded or unfolded relatively to the lower wing surface under the action of the hinge pin and the torsion spring, a locking part is arranged at the butt joint position of the upper wing surface and the lower wing surface, and when the upper wing surface is unfolded relatively to the lower wing surface, the locking part can lock the upper wing surface along the unfolding direction of the upper wing surface to limit the unfolding degree of the upper wing surface.
2. The airfoil deployment locking mechanism of claim 1, wherein: the locking component comprises an upper airfoil surface and a lower airfoil surface, the butt joint surfaces are arranged in a matched mode, the butt joint surfaces comprise a matching surface horizontally arranged at the lower end portion of the upper airfoil surface and a matching surface horizontally arranged at the upper end portion of the lower airfoil surface, and after the upper airfoil surface is rotated and unfolded relative to the lower airfoil surface, the matching surface at the lower end portion of the upper airfoil surface and the matching surface at the upper end portion of the lower airfoil surface are in surface contact with each other to lock the airfoil surface to limit the unfolding degree of the upper airfoil surface.
3. The airfoil deployment locking mechanism of claim 2, wherein: wedge-shaped locking surfaces which are matched are arranged between adjacent lugs between the upper airfoil surface and the lower airfoil surface, and under the action of a torsion spring, the upper airfoil surface can move relative to the lower airfoil surface along a pin shaft after the upper airfoil surface rotates and expands relative to the lower airfoil surface, so that the locking surfaces between the upper airfoil surface and the lower airfoil surface are tightly attached to realize the axial locking of the upper airfoil surface along the pin shaft.
4. The airfoil deployment locking mechanism of claim 3, wherein: the lug at the lower end of the upper airfoil surface is of a hollow cylindrical structure, the pin shaft and the torsion spring are all arranged in the middle of the cylinder in a penetrating manner, and the outer circular surface of the lug is in smooth transition with the inner edge of the matching surface of the upper airfoil surface.
5. The airfoil deployment locking mechanism of claim 3, wherein: the outer edge of the upper airfoil surface is also provided with a convex rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320679387.2U CN219884073U (en) | 2023-03-31 | 2023-03-31 | Wing surface unfolding locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320679387.2U CN219884073U (en) | 2023-03-31 | 2023-03-31 | Wing surface unfolding locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219884073U true CN219884073U (en) | 2023-10-24 |
Family
ID=88403744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320679387.2U Active CN219884073U (en) | 2023-03-31 | 2023-03-31 | Wing surface unfolding locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219884073U (en) |
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2023
- 2023-03-31 CN CN202320679387.2U patent/CN219884073U/en active Active
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