CN111550141A - Trigger type cover cap lock - Google Patents
Trigger type cover cap lock Download PDFInfo
- Publication number
- CN111550141A CN111550141A CN202010505800.4A CN202010505800A CN111550141A CN 111550141 A CN111550141 A CN 111550141A CN 202010505800 A CN202010505800 A CN 202010505800A CN 111550141 A CN111550141 A CN 111550141A
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- plate
- lock rod
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000001154 acute effect Effects 0.000 claims description 8
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
- E05C19/08—Hasps; Hasp fastenings; Spring catches therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a trigger type mouth cover lock, which comprises: the support plate is horizontally arranged, an ejection hole is formed in the support plate in a penetrating mode, the support plate is fixed on the inner wall of an equipment cabin door of the airplane, and the fixed position of the support plate is close to the opening side of the cabin door; the lock rod is positioned at the lower right side of the support plate, the two ends of the lock rod are respectively an inner end and a lock tongue end, and the lock tongue end is positioned below the ejection hole; the first connecting mechanism is positioned between the support plate and the lock rod, one end of the first connecting mechanism is fixedly connected with the support plate, the other end of the first connecting mechanism is hinged with the middle part of the lock rod, and the lock rod is used for: when the hatch lock is opened, the bolt end passes through and extends out of the ejection hole, and drives the inner end to be far away from the airplane body frame, so that the hatch is convenient to open; when the locking hatch cover is locked, the end of the lock tongue passes through the ejection hole and resets after being subjected to external force so as to drive the inner end to move and abut against the frame of the airplane body to prevent the hatch door from being opened; the invention is not easy to damage, has small installation space, flexible opening, convenient use, long service life, quick assembly and disassembly, good maintainability, reliable connection and difficult damage in frequent use.
Description
Technical Field
The invention belongs to the field of flap locks, and particularly relates to a trigger flap lock.
Background
In the design of various vehicle upper-mounted cabin bodies and launching box products, various covers or cabin doors are often required to be equipped, the cover locking and unlocking modes are often required to be simple, convenient, quick and reliable in the using process, a certain stroke can be achieved in the locking direction to complete the pressing action on a sealing element, sometimes the operation space is narrow, and even the covers and the cabin bodies need to be separated. Most of the conventional automobile locks, door locks, cabinet locks and the like are difficult to meet the requirements at the same time. The existing cabin cover is mostly locked by adopting hinge cooperation rotary lock, latch lock and the like, the lock body is arranged in the inner side of the cover or the thickness interlayer of the cover, certain limitation is caused to the thickness of the cover, and the installation space of equipment in the cover is also influenced to a certain degree.
Disclosure of Invention
The invention aims to provide a trigger type flap lock, which aims to solve the problems that the existing flap lock is easy to damage and has large installation space.
The invention adopts the following technical scheme: a trigger-type flap lock comprising:
the support plate is horizontally arranged, an ejection hole is formed in the support plate in a penetrating mode, the support plate is fixed on the inner wall of an equipment cabin door of the airplane, and the fixed position of the support plate is close to the opening side of the cabin door;
the lock rod is positioned at the lower right side of the support plate, the two ends of the lock rod are respectively an inner end and a lock tongue end, and the lock tongue end is positioned below the ejection hole;
the first connecting mechanism is positioned between the support plate and the lock rod, one end of the first connecting mechanism is fixedly connected with the support plate, the other end of the first connecting mechanism is hinged with the middle part of the lock rod,
the locking bar is used for: when the hatch lock is opened, the bolt end passes through and extends out of the ejection hole, and drives the inner end to be far away from the airplane body frame, so that the hatch is convenient to open; when the locking hatch cover is locked, the end of the lock tongue passes through the ejection hole and resets after being subjected to external force so as to drive the inner end to move and abut against the frame of the airplane body to prevent the hatch door from being opened;
the middle part of the trigger plate is hinged to the left lower side of the support plate and is provided with a limiting end, and when the flap lock is locked, the limiting end is positioned between the lock tongue end and the pop-up hole so as to fix the lock rod; when the opening cover lock is opened, the limiting end is separated from the position between the lock tongue end and the pop-up hole, so that the lock rod moves.
Furthermore, two ends of the trigger plate are respectively a limiting end and an arm pressing end; the trigger plate is used for: when the opening cover lock is opened, the pressing arm end moves downwards after being subjected to external force, so that the limiting end moves upwards and is separated from the space between the lock tongue end and the pop-up hole, and the lock rod is loosened.
Furthermore, the trigger plate is hinged to the left lower side of the support plate through a second connecting mechanism; the second connecting mechanism is positioned between the support plate and the trigger plate, one end of the second connecting mechanism is fixedly connected with the support plate, and the other end of the second connecting mechanism is hinged with the middle part of the trigger plate.
Further, the first connecting mechanism is composed of two first connecting plates, two first ear plates and a first torsion spring;
the two ends of the support plate are respectively provided with a first fixed end and a second fixed end, the edges of the two sides of the first fixed end extend downwards to form two first connecting plates, and the two first connecting plates are vertically arranged in parallel;
the middle part of locking lever is torsional spring portion, and torsional spring portion upwards extends and forms two first otic placodes, the vertical parallel arrangement of two first otic placodes, and the equal level is equipped with the horizon bar to having seted up first through-hole on two first otic placodes and two first connecting plates to first through-hole, and the cover is equipped with first torsional spring on the horizon bar, and the both ends of first torsional spring support respectively on the extension board and the locking lever.
Furthermore, the second connecting mechanism consists of two second connecting plates, two second ear plates and a second torsion spring;
two side edges of the second fixed end of the support plate extend downwards to form two second connecting plates which are vertically arranged in parallel;
the spacing end both sides border downwardly extending of trigger plate forms two second otic placodes, two vertical parallel arrangement of second otic placode, and correspond each other with the second connecting plate respectively, and the second through-hole has been worn to be equipped with to having seted up to the level on two second otic placodes and two second connecting plates, the dead lever, and the cover is equipped with the second torsional spring on the dead lever, and the both ends of second torsional spring are supported respectively on trigger plate and on the extension board.
Furthermore, the inner end of the lock rod vertically penetrates through a regulating hole, a regulating bolt penetrates through the regulating hole, the regulating bolt is used for abutting against the frame of the airplane body and mutually matched with the trigger plate to clamp the lock rod, and the end of the lock bolt is kept at the lower side of the limiting end.
Furthermore, the locking rod is an L-shaped rod piece, the free end of the vertical section of the locking rod is a bolt end, the free end of the transverse section of the locking rod is an inner end, and the junction of the vertical section and the transverse section of the locking rod is arc-shaped.
Furthermore, two locking plates are vertically arranged at the end of the lock tongue, the two locking plates are parallel to each other, the directions of the two locking plates are both parallel to the transverse section of the lock rod, the upper parts of the two locking plates, which are close to one side of the trigger plate, are acute-angled parts, and the included angle of the acute-angled parts is an acute angle;
the upper portions of the two second ear plates and the end close to the lock rod are both inwards provided with limiting grooves, and the two limiting grooves are respectively used for the acute angle portions of the corresponding lock plates to stretch into, so that the lock rod is clamped on the lower side of the trigger plate.
Furthermore, the limiting end edge of the trigger plate is inwards provided with an anti-interference groove, and the anti-interference groove is used for preventing the trigger plate from interfering with the movement of the lock tongue end of the lock rod.
Furthermore, cover plates are arranged on the upper sides of the arm end and the bolt end.
The invention has the beneficial effects that: the invention is not easy to damage, has small installation space, flexible opening, convenient use, long service life, quick assembly and disassembly, good maintainability, reliable connection and difficult damage in frequent use.
Drawings
FIG. 1 is an isometric view of the present invention in a locked condition;
FIG. 2 is an isometric view of the present invention in the open position;
FIG. 3 is an isometric view of the invention after being flipped in the locked state;
FIG. 4 is a diagram showing the limit relationship between the lock lever and the trigger plate in the present invention.
Wherein: 1. a support plate; 2. a lock lever; 3. a trigger plate; 4. an ejection hole; 5. a first fixed end; 6. a second fixed end; 7. an inner end; 8. a torsion spring portion; 9. a latch end; 10. pressing the arm end; 11. a limiting end; 12. a cover plate; 13. a first torsion spring; 14. a fixing hole; 15. an opening; 16. a first connecting plate; 17. a second connecting plate; 18. a second ear panel; 19. fixing the rod; 20. a second torsion spring; 21. adjusting the bolt; 22. a first ear panel.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention discloses a trigger type mouth cover lock, which comprises a support plate 1, a lock rod 2 and a trigger plate 3, wherein two ends of the support plate 1 are respectively and rotationally connected with the lock rod 2 and the trigger plate 3, and the lock rod 2 can rotate downwards and upwards at the midpoint thereof; the trigger plate 3 can be rotated downwards and upwards at its point of attachment to the foot plate 1.
Flap latching is in both the locking and unlocking processes: during the locking process: the lock rod 2 is used for rotating downwards at the midpoint thereof under the action of external force, so that the trigger plate 3 is clamped on the lock rod 2; in the starting process: the trigger plate 3 is used for rotating downwards at the connection point of the trigger plate and the support plate 1 and releasing the lock rod 2 under the action of external force, so that the lock rod 2 rotates upwards at the midpoint of the lock rod.
The support plate 1 is arranged horizontally, the support plate 1 is provided with an ejection hole 4 in a penetrating mode, the support plate 1 is fixed on the inner wall of an equipment cabin door of an airplane through a bolt, the fixed position of the support plate 1 is close to the opening side of the cabin door, one side of the cabin door corresponding to the opening side is hinged to an airplane body frame, the lock rod 2 is a rod piece, the lock rod 2 is located on the lower right side of the support plate 1, the two ends of the lock rod 2 are respectively an inner end 7 and a lock tongue end 9, the lock tongue end 9 is located below the ejection hole 4, and the inner end 7 is used for abutting.
The first connecting mechanism is arranged between the support plate 1 and the lock rod 2, one end of the first connecting mechanism is fixedly connected with the support plate 1, the other end of the first connecting mechanism is hinged with the middle part of the lock rod 2, and the lock rod 2 is used for: when the hatch lock is opened, the bolt end 9 penetrates and extends out of the ejection hole 4, and drives the inner end 7 to be far away from the airplane body frame, so that the hatch is conveniently opened; when the locking hatch cover is locked, the bolt end 9 passes through the ejection hole 4 and resets after being subjected to external force, so as to drive the inner end 7 to move and abut against the frame of the airplane body, and prevent the hatch door from being opened.
The middle part of the trigger plate 3 is hinged to the left lower side of the support plate 1 and is provided with a limiting end 11, when the flap lock is locked, the limiting end 11 is positioned between the bolt end 9 and the pop-up hole 4 to fix the lock rod 2, and when the flap lock is unlocked, the limiting end 11 is separated from the space between the bolt end 9 and the pop-up hole 4 to enable the lock rod 2 to move.
The trigger plate 3 is used for: when the opening cover lock is opened, the pressing arm end 10 is subjected to downward external force and then rotates downwards, so that the limiting end 11 moves upwards and is separated from the area between the bolt end 9 and the support plate 1 or the ejecting hole 4, and the bolt end 9 rotates upwards to penetrate through the ejecting hole 4; when the locking port cover is locked, the pressing arm end 10 is kept still, and after the bolt end 9 of the locking rod 2 passes through the ejection hole 4 and is reset, the limiting end 11 extends into a position between the bolt end 9 and the support plate 1 to clamp the locking rod 2.
The first connecting mechanism consists of two first connecting plates 16, two first ear plates 22 and a first torsion spring 13; the two ends of the support plate 1 are respectively provided with a first fixed end 5 and a second fixed end 6, the edges of the two sides of the first fixed end 5 extend downwards to form two first connecting plates 16, and the two first connecting plates 16 are vertically arranged in parallel; the middle part of locking lever 2 is torsional spring portion 8, and torsional spring portion 8 upwards extends and forms two first otic placodes 22, the vertical parallel arrangement of two first otic placodes 22, and equal level has been seted up first through-hole on two first otic placodes 22 and two first connecting plates 16, and the horizon bar is worn to be equipped with by first through-hole, and the cover is equipped with first torsion spring 13 on the horizon bar, and the both ends of first torsion spring 13 support respectively on extension board 1 and locking lever 2.
The middle part of the lock rod 2 is provided with a torsion spring part 8, the torsion spring part 8 is rotatably connected with the first fixed end 5 of the support plate 1 through a first torsion spring 13, and two ends of the first torsion spring 13 respectively abut against the lower side of the first fixed end 5 of the support plate 1 and the torsion spring part 8 of the lock rod 2; the spring bolt end 9 of locking lever 2 is the wedge, and the spring bolt end 9 of locking lever 2 is used for stretching into 3 upsides of trigger plate and makes trigger plate 3 carry out spacingly to locking lever 2, and the spring bolt end 9 of locking lever 2 still is used for upwards and downwardly rotating with the torsional spring portion 8 of locking lever 2 as the fulcrum.
The ejection hole 4 is located at the central position of the support plate 1, the support plate 1 is uniformly provided with fixing holes 14 around the ejection hole 4, the fixing holes 14 are used for installing the whole flap lock on the inner wall of the equipment cabin door of the airplane through fasteners, the support plate 1 is horizontally arranged, one end of the support plate 1, which is far away from the trigger plate 3, is penetrated and provided with an opening 15, namely, the first fixing end 5 of the support plate 1 is provided with an opening 15, two first connecting plates 16 which are vertically arranged in parallel are fixedly connected with the front and back edges of the opening 15, namely, the lower side of the first fixing end 5 of the support plate 1 is fixedly connected with two first connecting plates 16, the two first connecting plates 16 are vertically arranged in parallel, the lock rod 2 is horizontally arranged in a locking state, the upper side of a torsion spring part 8 of the lock rod 2 is fixedly connected with two first lug plates 22, the two first lug plates 22 are vertically arranged in parallel, the two first lug plates 22, the horizon bar is worn to be equipped with by first through-hole, the cover is equipped with first torsion spring 13 on the horizon bar, and then 8 interconnect of torsional spring portion with extension board 1 and locking lever 2 through first torsion spring 13, the both ends of first torsion spring 13 support respectively at 5 downside of the first stiff end of extension board 1 and 8 upsides of torsional spring portion of locking lever 2, the spring bolt end 9 of locking lever 2 receives behind the decurrent external force, use torsional spring portion 8 of locking lever 2 to carry out the downward rotation as the fulcrum, be close to extension board 1, make the spring bolt end 9 of locking lever 2 pass and bounce out hole 4 and reset, and keep the parallel and level with extension board 1, lock bolt end 9 is triggered board 3 and is blocked simultaneously, the locking flap lock.
The second connecting mechanism consists of two second connecting plates 17, two second ear plates 18 and a second torsion spring 20; two side edges of the second fixed end 6 of the support plate 1 extend downwards to form two second connecting plates 17, and the two second connecting plates 17 are vertically arranged in parallel; trigger plate 3 and be the slice, it is preferred, trigger plate 3 is rectangular form, trigger plate 3's both ends are respectively for pressing arm end 10 and spacing end 11, trigger plate 3's 11 both sides border downwardly extending in spacing end forms two second otic placodes 18, the vertical parallel arrangement of two second otic placodes 18, and correspond to each other with two second connecting plates 17 respectively, the second through-hole has been seted up to the equal level on two second otic placodes 18 and two second connecting plates 17, dead lever 19 is worn to be equipped with by the second through-hole, the cover is equipped with second torsional spring 20 on the dead lever 19, the both ends of second torsional spring 20 support respectively on trigger plate 3 and extension board 1.
The limiting end 11 edge of the trigger plate 3 is provided with an anti-interference groove inwards, and the anti-interference groove is used for preventing the trigger plate 3 from interfering with the movement of the bolt end 9 of the lock rod 2. After the pressing arm end 10 of the trigger plate 3 is subjected to downward external force, the pressing arm end rotates downwards by taking a fixed rod 19 penetrating through a second lug plate 18 of the trigger plate 3 as a fulcrum to be far away from the support plate 1, so that the limiting end 11 of the trigger plate 3 is separated from the bolt end 9 of the lock rod 2, then the bolt end 9 of the lock rod 2 penetrates out of the pop-up hole 4 of the support plate 1, and the opening cover lock is opened.
The both ends and the middle part of locking lever 2 are inner 7 respectively, spring bolt end 9 and torsional spring portion 8, the regulation hole has been seted up in the vertical running through of the inner 7 of locking lever 2, the regulation hole is used for adjusting bolt 21 to pass, and adjust the length that adjusting bolt 21 stretches out according to the demand, because under the circumstances of flap lock locking, need guarantee spring bolt end 9 and the 4 parallel and level in pop-up hole of extension board 1 and keep the locking force, consequently through setting up adjusting bolt 21, adjusting bolt 21 supports on aircraft body frame inboard under the circumstances of locking, spring bolt end 9 for locking lever 2 provides certain locking force, and block locking lever 2 with triggering board 3 and mutually support, the spring bolt end 9 that keeps locking lever 2 is located spacing end 11 downside.
As shown in fig. 4, the lock rod 2 is an L-shaped rod, the free end of the vertical section of the rod is a bolt end 9, the free end of the horizontal section of the rod is an inner end 7, and the junction of the vertical section and the horizontal section of the rod is arc-shaped. The lock tongue end 9 is fixedly connected with two lock plates which are parallel to each other and have the directions parallel to the transverse section of the lock rod 2, the upper parts of the two lock plates, which are close to one side of the trigger plate 3, are acute-angled parts, and the included angle of the acute-angled parts is an acute angle; limiting grooves are formed inwards in the upper portions of the two second lug plates 18 and one end, close to the lock rod 2, of the two second lug plates, the two limiting grooves are used for enabling the acute angle portions of the corresponding lock plates to stretch into the two limiting grooves respectively, and then the lock rod 2 is clamped below the trigger plate 3.
The thickness of the inner wall of the installation body of each device is different, so that the inner walls with different thicknesses can be adapted to the screwing-in depth of the adjusting bolt 21, if the inner wall of the installation body is thicker, the depth of screwing the adjusting bolt 21 into the lock rod 2 is increased, and if the inner wall of the installation body is thinner, the depth of screwing the adjusting bolt 21 into the lock rod 2 is reduced, so that the distance between the plane where the support plate 1 is located and the head of the adjusting bolt 21 is equal to the thickness of the inner wall of the device.
The inner end 7 of the lock rod 2 is used for limiting the lock rod 2, in the locking process, after the bolt end 9 of the lock rod 2 is acted by external force, the bolt end 9 of the lock rod 2 rotates downwards by taking a torsion spring part 8 of the lock rod 2 as a fulcrum to be close to the support plate 1, so that the bolt end 9 of the lock rod 2 passes through the ejection hole 4 and resets and is parallel to and level with the support plate 1, and the locking cover is locked, in the process, if an adjusting bolt 21 is not arranged, under the condition that the cover is locked completely, if the bolt end 9 of the lock rod 2 continues to be subjected to the external force, the bolt end 9 of the lock rod 2 can continue to rotate, once the bolt end 9 of the lock rod 2 is stressed too much, the first torsion spring 13 is easy to damage, and the bolt end 9 of the lock rod 2 cannot be parallel to and level with the support plate 1, and is easy to recess inwards to cause a gap to influence the sealing effect, and after the adjusting bolt 21 is arranged, when the bolt end 9 of the, the adjusting bolt 21 is abutted against the inner wall of the machine body frame, and at the moment, even if the bolt end 9 of the lock rod 2 is subjected to external force, the bolt end cannot continue to rotate, so that the first torsion spring 13 is protected, and the sealing effect is increased.
The equal threaded connection of upside of the spring bolt end 9 of pressing arm end 10 and locking lever 2 of trigger plate 3 has apron 12, apron 12 all is used for applying external force, in the in-process that the flap lock used, need to apply external force to the spring bolt end 9 top of pressing arm end 10 and locking lever 2 of trigger plate 3, when opening the flap lock promptly, need top-down to exert external force to the spring bolt end 10 of trigger plate 3 according to arm end, when closing the flap lock, need top-down to apply external force to the spring bolt end 9 of locking lever 2, through setting up apron 12 after, conveniently apply external force, can set two apron 12's size to unanimous, also can be inconsistent, through setting two apron 12 to different sizes, conveniently distinguish and open and lock.
The traditional flap lock is opened and closed by pressing the same position in the using process, and is easy to break because the traditional flap lock is only completed by using one torsion spring, and all spaces for installing the lock have certain requirements.
Claims (10)
1. A triggered flap lock, comprising:
the support plate (1) is horizontally arranged, an ejection hole (4) is formed in the support plate in a penetrating mode, the support plate (1) is fixed on the inner wall of an equipment cabin door of the airplane, and the fixed position of the support plate is close to the opening side of the cabin door;
the lock rod (2) is positioned at the lower right side of the support plate (1), the inner end (7) and the bolt end (9) are respectively arranged at the two ends of the lock rod, and the bolt end (9) is positioned below the ejection hole (4);
the first connecting mechanism is positioned between the support plate (1) and the lock rod (2), one end of the first connecting mechanism is fixedly connected with the support plate (1), the other end of the first connecting mechanism is hinged with the middle part of the lock rod (2),
the locking bar (2) is used for: when the hatch cover lock is opened, the lock tongue end (9) penetrates through and extends out of the ejection hole (4), and drives the inner end (7) to be far away from the airplane body frame, so that the hatch door is conveniently opened; when the locking port cover is locked, the bolt end (9) is subjected to external force and then penetrates through the ejection hole (4) and resets to drive the inner end (7) to move and abut against an airplane body frame so as to prevent the cabin door from being opened;
the middle part of the trigger plate (3) is hinged to the lower left side of the support plate (1) and is provided with a limiting end (11), and when the mouth cover is locked, the limiting end (11) is positioned between the lock tongue end (9) and the ejection hole (4) to fix the lock rod (2); when the mouth cover lock is opened, the limiting end (11) is separated from the position between the lock tongue end (9) and the ejection hole (4) so that the lock rod (2) moves.
2. The trigger type flap lock as claimed in claim 1, wherein both ends of the trigger plate (3) are a limit end (11) and a press arm end (10), respectively; the trigger plate (3) is used for: when the opening cover lock is opened, the arm pressing end (10) moves downwards after being subjected to external force, so that the limiting end (11) moves upwards and is separated from the space between the bolt end (9) and the ejection hole (4) to release the lock rod (2).
3. A trigger flap lock according to claim 2 characterized in that the trigger plate (3) is hinged to the lower left side of the fulcrum plate (1) by a second attachment mechanism; the second connecting mechanism is positioned between the support plate (1) and the trigger plate (3), one end of the second connecting mechanism is fixedly connected with the support plate (1), and the other end of the second connecting mechanism is hinged with the middle part of the trigger plate (3).
4. A trigger flap lock according to any of claims 1-3 wherein the first linkage is comprised of two first linkage plates (16), two first ear plates (22) and a first torsion spring (13);
the two ends of the support plate (1) are respectively a first fixed end (5) and a second fixed end (6), the edges of the two sides of the first fixed end (5) extend downwards to form two first connecting plates (16), and the two first connecting plates (16) are vertically arranged in parallel;
the middle part of locking lever (2) is torsional spring portion (8), torsional spring portion (8) upwards extend and form two first otic placodes (22), two vertical parallel arrangement of first otic placode (22), two equal level is to having seted up first through-hole on first otic placode (22) and two first connecting plates (16), the horizon bar is worn to be equipped with by first through-hole, the cover is equipped with first torsional spring (13) on the horizon bar, the both ends of first torsional spring (13) support respectively on extension board (1) and locking lever (2).
5. A trigger type flap lock according to any of claims 1-3 characterized in that said second connecting means is composed of two second connecting plates (17), two second ear plates (18) and a second torsion spring (20);
two side edges of a second fixed end (6) of the support plate (1) extend downwards to form two second connecting plates (17), and the two second connecting plates (17) are vertically arranged in parallel;
spacing end (11) both sides border downwardly extending of trigger plate (3) forms two second otic placodes (18), two vertical parallel arrangement of second otic placode (18) and respectively with second connecting plate (17) mutual correspondence, two equal level is to having seted up the second through-hole on second otic placode (18) and two second connecting plates (17), dead lever (19) are worn to be equipped with by the second through-hole, the cover is equipped with second torsional spring (20) on dead lever (19), the both ends of second torsional spring (20) support respectively on trigger plate (3) and on extension board (1).
6. The trigger type flap lock according to claim 4, characterized in that an adjusting hole is vertically formed through the inner end (7) of the lock rod (2), an adjusting bolt (21) is inserted into the adjusting hole, the adjusting bolt (21) is used for abutting against the frame of the aircraft body and is matched with the trigger plate (3) to clamp the lock rod (2), and the lock tongue end (9) is kept at the lower side of the limit end (11).
7. The trigger-type flap lock as claimed in claim 6, wherein the locking bar (2) is an L-shaped bar, the free end of its vertical section is a latch end (9), the free end of its horizontal section is an inner end (7), and the intersection of its vertical and horizontal sections is arc-shaped.
8. The trigger-type flap lock as claimed in claim 7, wherein said latch end (9) is vertically provided with two locking plates, said two locking plates being parallel to each other and oriented parallel to the transverse section of the locking bar (2), the upper part of said two locking plates on the side close to the trigger plate (3) being an acute angle part, the included angle of said acute angle part being an acute angle;
two the upper portion of second otic placode (18), the one end that is close to locking lever (2) all inwards seted up spacing recess, two spacing recess is used for the acute angle portion of the locking plate that corresponds to respectively to stretch into, and then makes locking lever (2) card trigger plate (3) downside.
9. The trigger-type flap lock according to claim 8, wherein an anti-interference groove is formed inward at the edge of the limiting end (11) of the trigger plate (3), and the anti-interference groove is used for preventing the trigger plate (3) from interfering with the movement of the latch bolt end (9) of the lock rod (2).
10. A trigger-type flap lock as claimed in claim 9, characterized in that the upper sides of the arm end (10) and the bolt end (9) are provided with a cover plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010505800.4A CN111550141A (en) | 2020-06-05 | 2020-06-05 | Trigger type cover cap lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010505800.4A CN111550141A (en) | 2020-06-05 | 2020-06-05 | Trigger type cover cap lock |
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| Publication Number | Publication Date |
|---|---|
| CN111550141A true CN111550141A (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010505800.4A Pending CN111550141A (en) | 2020-06-05 | 2020-06-05 | Trigger type cover cap lock |
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| CN (1) | CN111550141A (en) |
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| CN2389219Y (en) * | 1999-09-30 | 2000-07-26 | 中国航空工业总公司第六一一研究所 | Water-proof push-botton lock |
| CN103603554A (en) * | 2013-08-23 | 2014-02-26 | 中国航空工业集团公司西安飞机设计研究所 | Locking mechanism |
| CN205875970U (en) * | 2016-07-18 | 2017-01-11 | 郑州飞机装备有限责任公司 | Locking mechanism suitable for cambered surface hatch door |
| CN205908158U (en) * | 2016-07-22 | 2017-01-25 | 中国航空工业集团公司西安飞机设计研究所 | Supporting mechanism of terraced unification formula hatch door of door |
| CN212507852U (en) * | 2020-06-05 | 2021-02-09 | 西安艾力特航空科技有限公司 | Trigger type cover cap lock |
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2020
- 2020-06-05 CN CN202010505800.4A patent/CN111550141A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2389219Y (en) * | 1999-09-30 | 2000-07-26 | 中国航空工业总公司第六一一研究所 | Water-proof push-botton lock |
| CN103603554A (en) * | 2013-08-23 | 2014-02-26 | 中国航空工业集团公司西安飞机设计研究所 | Locking mechanism |
| CN205875970U (en) * | 2016-07-18 | 2017-01-11 | 郑州飞机装备有限责任公司 | Locking mechanism suitable for cambered surface hatch door |
| CN205908158U (en) * | 2016-07-22 | 2017-01-25 | 中国航空工业集团公司西安飞机设计研究所 | Supporting mechanism of terraced unification formula hatch door of door |
| CN212507852U (en) * | 2020-06-05 | 2021-02-09 | 西安艾力特航空科技有限公司 | Trigger type cover cap lock |
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