CN218375927U - Hook lock for aircraft engine hood - Google Patents
Hook lock for aircraft engine hood Download PDFInfo
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- CN218375927U CN218375927U CN202222370190.9U CN202222370190U CN218375927U CN 218375927 U CN218375927 U CN 218375927U CN 202222370190 U CN202222370190 U CN 202222370190U CN 218375927 U CN218375927 U CN 218375927U
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Abstract
The utility model discloses a hook lock for aircraft engine cover, include: the right side of the bar-shaped mounting lug plate is provided with a first through hole and a second through hole, the lower side of the trigger piece is in a hook shape, the right end of the lock body is rotatably connected with the right end of the bar-shaped mounting lug plate through a first torsion spring, the middle part of the lock body is horizontally provided with a motion hole, the rod-shaped end of the lock hook is connected with the left end of the lock body, the fixing ring is sleeved in the motion hole and arranged along the front-back direction, the two ends of the fixing ring extend out of the motion hole, the fixing ring is used for mounting the lock body on a cabin, the upper end of the pulling mechanism is connected with the bar-shaped mounting lug plate through the first through hole and the second through hole, and the left end of the pulling mechanism is sleeved at the two ends of the fixing ring and used for unlocking the lock body after the trigger piece loosens the lock body and then moves to the left side along the motion hole to complete unlocking; the utility model discloses the motion stroke is big, and accessible adjusting nut adjusts length, and locking easy operation has reduced crew's work load by a wide margin.
Description
Technical Field
The utility model belongs to the peripheral part field of aircraft especially relates to a hook lock for aircraft engine cover.
Background
The hook lock is used for various medium-sized hatches and hatches of airplanes, can play a role in quick linking, locking, opening and closing, and has the requirements of good tolerance and large load. Hook locks are commonly found in door mechanisms for securing the doors in a position that serves to transfer loads and accommodate deformation, and require that the doors not open in the air even if individual elements of the hook lock fail, thereby interfering with the completion of flight missions and creating safety concerns. Because the working stroke of the existing hook lock is small, the left cabin door and the right cabin door of the engine hood need to be locked by manual assistance, the locking function of the hook lock can be completed only by matching an auxiliary locking tool to reduce the clearance between the left cabin door and the right cabin door to the working stroke of the hook lock when the hook lock is locked by assistance, the manual operation difficulty is large, the machine body needs long time for maintenance, the middle-sized cabin cover and the cabin door cannot be well adapted, the locking operation is complex, and the workload of a crew is greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hook lock for aircraft engine cover to solve current hook lock line Cheng Jiaoxiao, shutting complex operation's problem.
The utility model adopts the following technical scheme: a hook lock for an aircraft hood, comprising:
the strip-shaped mounting ear plate is arranged in the left-right direction, the right side of the strip-shaped mounting ear plate is provided with a first through hole and a second through hole,
a trigger piece which is arranged in the middle of the strip-shaped mounting ear plate, the lower side of the trigger piece is in a hook shape,
the lock body is strip-shaped, is positioned at the lower side of the strip-shaped mounting lug plate and is used for being locked or unlocked by being hooked or loosened by the trigger piece, the right end of the lock body is rotationally connected with the right end of the strip-shaped mounting lug plate through a first torsional spring, the two ends of the first torsional spring are respectively propped against the strip-shaped mounting lug plate and the lock body and are used for providing an opening force for the vertical rotation of the left end of the strip-shaped mounting lug plate relative to the lock body, a moving hole is horizontally formed in the middle of the lock body,
one end of the lock hook is a hook-shaped end, the other end of the lock hook is a rod-shaped end, the rod-shaped end of the lock hook is connected with the left end of the lock body, the hook-shaped end of the lock hook is used for hooking a lock rod in an inner cavity of the cabin,
a fixing ring which is sleeved in the moving hole and arranged along the front-back direction, two ends of the fixing ring extend out of the moving hole, the fixing ring is used for installing the lock body on the engine room,
pulling mechanism, its upper end is connected with bar installation otic placode through first through-hole and second through-hole, and its left end cover is established at solid fixed ring's both ends for when unblanking, the trigger piece loosens lock body after the lock body along the motion hole to the left movement completion unblank.
Further, the pulling mechanism includes:
two shifting plates are respectively positioned at the front side and the rear side of the lock body, the right end of the shifting plates is connected with the strip-shaped mounting lug plate through a first through hole, the left end of the shifting plates is connected with the strip-shaped mounting lug plate through a second through hole,
two clamping plates are respectively positioned at the front side and the rear side of the lock body, the left end of each clamping plate is respectively sleeved at the front side and the rear side of the fixed ring, the right end of each clamping plate is hinged with the left end of the shifting plate,
when each cardboard is used for unblanking: pressing the trigger piece and making it rotatory and unclamp the lock body, the left end of bar installation otic placode upwards rotates and promotes group board and remove left to move along the motion hole through group board drive lock body, make the latch hook unclamp the locking lever of cabin inner chamber and accomplish and unblank.
Furtherly, the left side of lock body is vertical to be run through and has been seted up the regulation hole, still includes:
and the adjusting nut is positioned in the adjusting hole, and the rod-shaped end of the lock hook penetrates through the left side wall of the lock body and then is in threaded connection with the adjusting nut, so that the length of the lock hook extending out of the lock body is adjusted.
Furthermore, a plurality of grooves are formed in the right side wall of the adjusting nut, and each groove is used for being matched with the spring and the positioning pin to limit the rotation of the adjusting nut.
Further, the bar installation otic placode is held the otic placode by the apron of body coupling and two and is constituteed, and the front side and the back side edge along downwardly extending of apron form two and hold the otic placode, and two hold the vertical setting of otic placode, and perpendicular with the apron, and two regions that hold the otic placode are used for holding the right-hand member of lock body.
Further, still include: the dwang moves towards around, and the cover is established in the first through-hole of bar installation otic placode, and first torsion spring cover is established at the middle part of dwang, and the both ends of dwang pass behind the right-hand member of dialling the board respectively card two hold between the otic placode.
Further, the opening has been seted up on the apron, trigger and be located the opening, trigger by a body coupling, and trigger board and two that top-down set up trigger the otic placode and constitute, two border downwardly extending along triggering the board form two and trigger the otic placode, two trigger the vertical setting of otic placode, and perpendicular with triggering the board, two trigger and be provided with the second torsional spring between the otic placode, two lower extremes that trigger the otic placode are hook-like, the second torsional spring is used for driving the trigger board and rotates, and then hook or loosen the lock body, accomplish the shutting and unblank.
Furthermore, hook pins are installed on the lock body and correspond to the lower ends of the two trigger ear plates, and the two hook pins are used for being hooked by the lower ends of the two trigger ear plates to complete locking.
Furthermore, a first rod body and a second rod body are arranged between the left ends of the two shifting plates, the first rod body and the second rod body are arranged along the front-back direction, the front ends of the first rod body and the second rod body are fixedly connected with the shifting plate at the front side, the rear ends of the first rod body and the second rod body are fixedly connected with the shifting plate at the rear side, the first rod body is arranged above the second rod body,
the cover is equipped with the third torsional spring on the first body of rod, and the upper end of third torsional spring supports and supports on the first body of rod at bar installation otic placode downside, its lower extreme, and the third torsional spring is used for supporting tightly dials the board.
The utility model has the advantages that: the utility model discloses install on medium-sized cabin cover, the hatch door of aircraft, press the trigger and accomplish through artifical application of force behind the bounce state by the lock state and unblank, during the shutting, press bar installation otic placode left end and hook the lock body and accomplish the shutting until the trigger, the utility model discloses the motion stroke is big, and accessible adjusting nut adjusts length, and locking easy operation has reduced crew's work load by a wide margin, can realize opening fast and closing of aircraft hatch door, can adjust the distance of stretching out of latch hook according to the interface size, and easy operation bears greatly, and stability is good.
Drawings
FIG. 1 is a schematic structural view of the present invention in a locked state;
FIG. 2 is a schematic structural view of the unlocking state of the present invention;
fig. 3 is an exploded view of the present invention.
Wherein: 1. mounting a lug plate in a strip shape; 2. a trigger; 3. a first through hole; 4. a second through hole; 5. a lock body; 6. a first torsion spring; 7. a motion hole; 8. a latch hook; 9. a hooked end; 10. a rod-shaped end; 11. a fixing ring; 12. dialing a plate; 13. clamping a plate; 14. an adjustment hole; 15. adjusting the nut; 17. a cover plate; 18. receiving an ear plate; 19. rotating the rod; 20. a trigger plate; 21. triggering the ear plate; 22. a second torsion spring; 23. a hook pin; 25. a first rod body; 26. a second rod body; 27. a third torsion spring.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses a hook lock for aircraft engine cover, as shown in fig. 1-3, including bar installation otic placode 1, trigger piece 2, lock body 5, latch hook 8, solid fixed ring 11, pulling mechanism.
Move towards the setting about bar installation otic placode 1, first through-hole 3 and second through-hole 4 have been seted up on bar installation otic placode 1's right side, trigger 2 installs the middle part at bar installation otic placode 1, the downside of trigger 2 is hook-shaped, lock body 5 is the bar, lock body 5 is located bar installation otic placode 1's downside, lock body 5 is used for being hooked or unclamped by trigger 2 and locks or unblanks, lock body 5's right-hand member is rotated with bar installation otic placode 1's right-hand member through first torsional spring 6 and is connected, the both ends of first torsional spring 6 support respectively on bar installation otic placode 1 with lock body 5 on, and be used for providing bar installation otic placode 1's left end and carry out the opening force of vertical rotation relative lock body 5, the motion hole 7 has been seted up to the level in lock body 5 middle part.
The utility model provides a "trend" is the basis the utility model discloses trend description when being in the shutting state, the utility model discloses when being in the state of unblanking, the trend of bar installation otic placode 1 can change, and the trend of bar installation otic placode 1 is moved about by about changing into and moves about.
One end of the lock hook 8 is a hook-shaped end 9, the other end of the lock hook 8 is a rod-shaped end 10, the rod-shaped end 10 of the lock hook 8 is connected with the left end of the lock body 5, the hook-shaped end 9 of the lock hook 8 is used for hooking a lock rod of an inner cavity of the cabin, the fixing ring 11 is sleeved in the moving hole 7 and arranged along the front-back direction, two ends of the fixing ring 11 extend out of the moving hole 7, and the fixing ring 11 is used for installing the lock body 5 on the cabin.
The upper end of pulling mechanism is connected with bar installation otic placode 1 through first through-hole 3 and second through-hole 4, and the left end cover of pulling mechanism is established at the both ends of solid fixed ring 11, and pulling mechanism is used for when unblanking, and trigger piece 2 loosens lock body 5 after lock body 5 along motion hole 7 removal left completion unblank.
The pulling mechanism includes: two dial the board 12, two cardboard 13, two dial the board 12 and are located the front side and the rear side of lock body 5 respectively, two right-hand members of dialling board 12 are connected with bar installation otic placode 1 through first through-hole 3, two left ends of dialling board 12 are connected with bar installation otic placode 1 through second through-hole 4, two cardboard 13 are located the front side and the rear side of lock body 5 respectively, the left end of each cardboard 13 overlaps respectively and establishes at the front side and the rear side of solid fixed ring 11, the right-hand member of two cardboard 13 all hinges with the left end of dialling board 12.
Each card 13 is used for unlocking: the trigger piece 2 is pressed to rotate and loosen the lock body 5, the left end of the strip-shaped mounting lug plate 1 rotates upwards to push the shifting plate 12 to move leftwards, and the shifting plate 12 drives the lock body 5 to move leftwards along the motion hole 7, so that the lock hook 8 loosens the lock rod in the cabin cavity to unlock; when unblanking, the left end of bar installation otic placode 1 upwards rotates to promote to dial the right-hand member of board 12 and remove left, and then drive the right-hand member upward movement of cardboard 13, force the right-hand member of dialling board 12 to be close to the left end of cardboard 13, and then force lock body 5 to remove left and accomplish and unblank. The utility model discloses a set up motion hole 7 and make lock body 5 unblank and the motion of shutting in-process along motion hole 7, and then increase motion stroke.
The vertical regulation hole 14 of having seted up that runs through in left side of lock body 5, the utility model discloses still include adjusting nut 15, adjusting nut 15 is located regulation hole 14, and the shaft-like end 10 of latch hook 8 passes behind the 5 left side walls of lock body with 15 threaded connection of adjusting nut, and then adjusts the latch hook 8 and stretch out the outer length of lock body 5. A plurality of grooves are formed in the right side wall of the adjusting nut 15, and each groove is used for being matched with the spring and the positioning pin to limit the rotation of the adjusting nut 15.
Bar installation otic placode 1 holds otic placode 18 by the apron 17 and two of body coupling and constitutes, and the front side and the back side edge along downwardly extending of apron 17 form two and hold otic placode 18, and two hold the vertical setting of otic placode 18, and perpendicular with apron 17, and two areas that hold otic placode 18 are used for holding the right-hand member of lock body 5.
The utility model discloses still include: dwang 19, dwang 19 trend from beginning to end, dwang 19 cover establish in bar installation otic placode 1's first through- hole 3, and 6 covers of first torsion spring establish in the middle part of dwang 19, and the card is held between two otic placodes 18 after the right-hand member of dialling board 12 is passed respectively at the both ends of dwang 19.
The opening has been seted up on apron 17, the opening is used for installing trigger 2, trigger 2 is located the opening, trigger 2 is by a body coupling, and trigger plate 20 and two trigger otic placodes 21 that top-down set up constitute, two border downwardly extending along trigger plate 20 form two trigger otic placodes 21, two trigger otic placodes 21 are vertical to be set up, and perpendicular with trigger plate 20, be provided with second torsional spring 22 between two trigger otic placodes 21, the lower extreme of two trigger otic placodes 21 is hook-like, second torsional spring 22 is used for driving trigger plate 20 and rotates, and then hook or loosen lock body 5, accomplish the shutting and unblank.
The hook pins 23 are mounted on the lock body 5 at positions corresponding to the lower ends of the two trigger ear plates 21, and the two hook pins 23 are used for being hooked on the lock body 5 by the lower ends of the two trigger ear plates 21 to complete locking, so that mistaken unlocking can be prevented.
Be provided with first body of rod 25 and the second body of rod 26 between two left ends of dialling board 12, first body of rod 25 and the setting of second body of rod 26 along the fore-and-aft direction, the front end of first body of rod 25 and the second body of rod 26 and the group board 12 fixed connection of front side, the rear end and the board 12 fixed connection of dialling of rear side, first body of rod 25 is last, second body of rod 26 is under, the cover is equipped with third torsional spring 27 on the first body of rod 25, the upper end of third torsional spring 27 supports at bar installation otic placode 1 downside, its lower extreme supports on first body of rod 25, third torsional spring 27 is used for supporting tightly dials board 12.
The utility model discloses an unlocking process does:
The utility model discloses a shutting process does:
the left end that presses bar installation otic placode 1 is rotatory downwards for dial the right-hand member of board 12 and remove right, the left end moves down, the right-hand member of cardboard 13 moves down, the distance of the left end of increase cardboard 13 and the right-hand member of dialling board 12, and then make lock body 5 move right along motion hole 7, accomplish the shutting until the lower extreme hook-like hanger pin 23 of trigger 2.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A hook lock for an aircraft hood, comprising:
a strip-shaped mounting ear plate (1) which is arranged in the left-right direction, the right side of the strip-shaped mounting ear plate is provided with a first through hole (3) and a second through hole (4),
the trigger piece (2) is arranged in the middle of the strip-shaped mounting ear plate (1), the lower side of the trigger piece is in a hook shape,
the lock body (5) is in a bar shape and is positioned at the lower side of the bar-shaped mounting lug plate (1) and used for being hooked or loosened by the trigger piece (2) to lock or unlock, the right end of the lock body is rotationally connected with the right end of the bar-shaped mounting lug plate (1) through a first torsion spring (6), the two ends of the first torsion spring (6) are respectively propped against the bar-shaped mounting lug plate (1) and the lock body (5) and used for providing an opening force for the left end of the bar-shaped mounting lug plate (1) to rotate up and down relative to the lock body (5), a moving hole (7) is horizontally formed in the middle of the lock body (5),
a lock hook (8), one end of which is a hook-shaped end (9), the other end is a rod-shaped end (10), the rod-shaped end (10) is connected with the left end of the lock body (5), the hook-shaped end (9) is used for hooking a lock rod in the inner cavity of the cabin,
the fixing ring (11) is sleeved in the moving hole (7) and arranged along the front-back direction, the two ends of the fixing ring extend out of the moving hole (7), the fixing ring (11) is used for installing the lock body (5) on the engine room,
the upper end of the pulling mechanism is connected with the strip-shaped mounting lug plate (1) through the first through hole (3) and the second through hole (4), the left end of the pulling mechanism is sleeved at two ends of the fixing ring (11), and when the lock is unlocked, the trigger piece (2) loosens the lock body (5) and then the lock body (5) moves leftwards along the moving hole (7) to complete unlocking.
2. A hook lock for an aircraft hood according to claim 1, characterized in that the pulling mechanism comprises:
two shifting plates (12) are respectively positioned at the front side and the rear side of the lock body (5), the right ends of the shifting plates are connected with the strip-shaped mounting lug plate (1) through first through holes (3), the left ends of the shifting plates are connected with the strip-shaped mounting lug plate (1) through second through holes (4),
two clamping plates (13) are respectively positioned at the front side and the rear side of the lock body (5), the left end of each clamping plate (13) is respectively sleeved at the front side and the rear side of the fixed ring (11), the right end of each clamping plate is hinged with the left end of the shifting plate (12),
each of the catch plates (13) is used for unlocking: pressing trigger piece (2) and making it rotatory and unclamp lock body (5), the left end of bar installation otic placode (1) upwards rotates to promote to dial board (12) and remove left to drive lock body (5) through dialling board (12) and remove left along motion hole (7), make latch hook (8) unclamp the locking lever of cabin inner chamber and accomplish and unblank.
3. A hook lock for aircraft hoods according to claim 1 characterized in that the adjustment hole (14) is vertically opened through the left side of the lock body (5) and further comprises:
and the adjusting nut (15) is positioned in the adjusting hole (14), the rod-shaped end (10) of the lock hook (8) penetrates through the left side wall of the lock body (5) and then is in threaded connection with the adjusting nut (15), and the length of the lock hook (8) extending out of the lock body (5) is adjusted.
4. A hook lock for an aircraft hood according to claim 3, characterized in that the adjusting nut (15) has a plurality of recesses formed in its right side wall, each recess being adapted to cooperate with a spring and a locating pin to limit the rotation of the adjusting nut (15).
5. A hook lock for an aircraft engine bonnet according to any one of claims 1 to 4, wherein the strip-shaped mounting lug (1) is formed by a cover plate (17) and two receiving lugs (18) which are integrally connected, the two receiving lugs (18) being formed to extend downwards along the front and rear sides of the cover plate (17), the two receiving lugs (18) being arranged vertically and perpendicularly to the cover plate (17), the two receiving lugs (18) being arranged in a region for receiving the right end of the lock body (5).
6. A hook lock for an aircraft hood according to claim 5, further comprising: dwang (19), the trend is around established in first through-hole (3) of bar installation otic placode (1), the middle part at dwang (19) is established to first torsional spring (6) cover, the both ends of dwang (19) are passed respectively and are dialled card behind the right-hand member of board (12) and hold between otic placode (18) for two.
7. The hook lock for the aircraft engine hood according to claim 5, characterized in that an opening is formed in the cover plate (17), the trigger member (2) is located in the opening, the trigger member (2) is composed of a trigger plate (20) and two trigger lugs (21) which are integrally connected and arranged from top to bottom, two trigger lugs (21) are formed by extending downwards along two edges of the trigger plate (20), the two trigger lugs (21) are vertically arranged and perpendicular to the trigger plate (20), a second torsion spring (22) is arranged between the two trigger lugs (21), the lower ends of the two trigger lugs (21) are hook-shaped, and the second torsion spring (22) is used for driving the trigger plate (20) to rotate so as to hook or loosen the lock body (5) to complete locking and unlocking.
8. A hook lock for an aircraft engine hood according to claim 7, characterized in that a hook pin (23) is mounted on the lock body (5) at a position corresponding to the lower ends of the two triggering ear plates (21), and the two hook pins (23) are used for being hooked on the lock body (5) by the lower ends of the two triggering ear plates (21) to complete the locking.
9. A hook lock for an aircraft hood according to claim 2, characterized in that a first rod (25) and a second rod (26) are arranged between the left ends of the two paddle boards (12), the first rod (25) and the second rod (26) are arranged in the front-rear direction, the front ends of the first rod (25) and the second rod (26) are fixedly connected with the paddle board (12) at the front side, the rear ends of the first rod (25) and the second rod (26) are fixedly connected with the paddle board (12) at the rear side, the first rod (25) is arranged above the second rod (26),
the cover is equipped with third torsional spring (27) on the first body of rod (25), the upper end of third torsional spring (27) supports and supports on bar installation otic placode (1) downside, its lower extreme support on first body of rod (25), third torsional spring (27) are used for supporting tightly dials board (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222370190.9U CN218375927U (en) | 2022-09-07 | 2022-09-07 | Hook lock for aircraft engine hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222370190.9U CN218375927U (en) | 2022-09-07 | 2022-09-07 | Hook lock for aircraft engine hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218375927U true CN218375927U (en) | 2023-01-24 |
Family
ID=84970852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222370190.9U Active CN218375927U (en) | 2022-09-07 | 2022-09-07 | Hook lock for aircraft engine hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218375927U (en) |
-
2022
- 2022-09-07 CN CN202222370190.9U patent/CN218375927U/en active Active
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