CN212249615U

CN212249615U - Flap locking device

Info

Publication number: CN212249615U
Application number: CN202022077029.3U
Authority: CN
Inventors: 牛光景; 王晓亮; 王晓伟; 朱昊天; 梁鑫; 张钊溥; 徐建超; 洪俊杰; 王鹏飞; 綦成飞; 江玉伟; 黄乐
Original assignee: Oriental Bluesky Titanium Technology Co ltd; Central South University
Current assignee: Oriental Bluesky Titanium Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2020-12-29
Anticipated expiration: 2030-09-21

Abstract

The utility model relates to a mouth cover locking device, which comprises at least two locks arranged in a cover, wherein the adjacent locks are connected through a linkage mechanism, and the mouth cover is provided with at least one lock hole; the lockset comprises a lock seat, a driving piece, a swing arm, a sliding block, a support and a pressure head, wherein the sliding block is arranged in a sliding chute, one end of the swing arm is connected with the driving piece, the other end of the swing arm is hinged with one end of the sliding block through a connecting rod, the support is bent, one end of the support is hinged with the lock seat, the middle part of the support is provided with a guide groove, the other end of the support is connected with the pressure head, the other end of the sliding block is provided with a shifting pin, the end part of the shifting pin extends into the; the utility model discloses simple structure, the installation is maintained conveniently, and is small, light in weight, and all tool to lock unblocks and the locking linkage of inboard all tool to locks of flap can be controlled to the tool to lock that only need operate a lockhole position department in the flap outside, and the simple operation is reliable, can adapt to regular shape opening and irregular opening and use.

Description

Flap locking device

Technical Field

The utility model relates to a flap locking device belongs to aircraft flap lock technical field.

Background

In order to ensure that airborne equipment on an airplane can be maintained and repaired in time in use, a large number of cover covers need to be arranged on the surface of the airplane, and the cover covers are divided into quick-release cover covers and non-quick-release cover covers according to the use characteristics of the cover covers. Quick release flaps typically require only a simple push or twist of the flap or the use of a simple tool to open or close the entire flap.

At present, the airplane is used for rapidly opening and closing various covers, and the mechanism principle and the operation mode can be mainly divided into a rotary screw type, namely a screw type, a snap type, a hook tongue type, an integral disassembly type and the like. The rotary quick-release lock is convenient to apply, small in size and relatively weak in load bearing capacity; snap-on quick release locks can withstand large loads but have large operating spaces and opening sizes; the hook tongue type quick release lock has good sealing performance and larger bearing capacity, but is only suitable for places with larger wall thickness.

At present, the connecting lock applied to the aerospace operation opening cover has the defects of large volume, heavy weight, incapability of operating by hands, opening of both the hole cover and the opening frame, incapability of sealing in a rainproof manner and the like, and cannot meet the use requirements of higher and higher-speed military products; especially for stealthy aircraft use, present connecting lock all can not satisfy radar wave low reflection demand at present, and the locking of connecting lock is extremely inconvenient with opening.

Disclosure of Invention

The utility model discloses not enough to prior art exists, provide a simple structure, small, light in weight through pull to the lockhole twist alright with the synchro switch in realizing all tool to lock in the flap, the reliable flap locking device of simple operation.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a cover locking device is characterized in that a cover is hinged with a cover frame, the locking device comprises at least two locksets arranged on the cover, the adjacent locksets are connected through a linkage mechanism, and the cover is provided with at least one lock hole;

the lockset comprises a lock seat, a driving piece arranged on the lock seat, a swing arm, a sliding block, a support and a pressure head, wherein one side of the lock seat is provided with a driving piece insertion hole, the other side of the lock seat is provided with a sliding groove, the driving piece is arranged in the driving piece insertion hole, the sliding block is arranged in the sliding groove, one end of the swing arm is connected with the driving piece, the other end of the swing arm is hinged with one end of the sliding block through a connecting rod, the support is bent, one end of the support is hinged with the lock seat, the middle part of the support is provided with a guide groove, the other end of the support is connected with the pressure head, the other end of the sliding block is provided with a shifting pin, the end part of;

install on the lockhole be equipped with the suit on the lock seat be in the boss in the lockhole, the driving piece jack extends to in the boss, be equipped with on the driving piece and be convenient for rotate the slotted hole of driving piece.

The utility model has the advantages that: the tool to lock passes through the lock seat mounting hole to be installed on the internal surface of flap, connects through link gear between the adjacent tool to lock, has at least one lockhole that can operate in the flap outside on the flap, installs the boss of installing the lockhole on the lock seat of the tool to lock of lockhole position, does not have the lock seat surfacing of other tools to lock of lockhole position in the flap outside, only need through the lock seat mounting hole install the internal surface at the flap can, specifically can adopt the riveting. The linkage mechanism is connected with the driving parts of the adjacent locks. The driving piece is rotated by rotating the slotted hole of the driving piece in the lock hole, the driving piece of the lock is rotated by other locks under the action of the linkage mechanism, the swing arm of each lock rotates along with the corresponding driving piece, the connecting rod converts the rotation action of the swing arm into the linear action of the sliding block in the sliding groove, the sliding block moves backwards in the sliding groove to drive the shifting pin to move backwards, the support rotates by taking the intersection point of the support and the lock seat as a fulcrum, one end of the support with a pressure head is lifted away from the opening cover frame along with the action of the shifting pin, the lock is completely unlocked, and the opening cover is opened; the opening cover is closed to the opening cover frame, the driving piece is rotated reversely through the lock hole, the driving piece is rotated reversely under the action of the linkage mechanism by other locks, the swing arm of each lock rotates reversely along with the corresponding driving piece, the sliding block moves forwards in the sliding groove, the shifting pin moves forwards, one end of the support with the pressure head presses downwards on the opening cover frame along with the action of the shifting pin, all the locks are locked, and the opening cover is locked and closed. The utility model discloses simple structure, the installation is maintained conveniently, and is small, light in weight, and all tool to lock unblocks and the locking linkage of inboard all tool to locks of flap can be controlled to the tool to lock that only need operate a lockhole position department in the flap outside, and the simple operation is reliable, can adapt to regular shape opening and irregular opening and use. In addition, after the locking device is installed on the opening cover, no convex structure is arranged on the outer surface of the opening cover, and the good aerodynamic appearance of the airplane is ensured.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the link gear include with the swinging boom that the driving piece of tool to lock is connected, connect adjacently the connecting rod of tool to lock and be used for connecting the connector of swinging boom and connecting rod.

The beneficial effect who adopts above-mentioned further scheme is that, the swinging boom is connected with the driving piece, rotates along with the driving piece is synchronous to transmit power for the connecting rod through the connector, couple together all locksets through link gear, thereby realize operating any tool to lock alright with other tool to lock under link gear's effect locking or unblock in step, operate convenient and fast more.

Furthermore, the driving part comprises a shaft shell and an ejector rod inserted in the shaft shell, the shaft shell is sleeved in the driving part insertion hole, a through groove is formed in the shaft shell, a limiting clamping block is arranged on the ejector rod and extends into the through groove, a reset spring is arranged on the ejector rod below the limiting clamping block, and the swing arm is connected with the shaft shell.

Adopt above-mentioned further scheme's beneficial effect is, the driving piece includes axle housing and the ejector pin of suit in the axle housing, the spanner acts on the ejector pin, the ejector pin shifts up and makes the axle housing expose the slotted hole of the spanner operation of being convenient for, rotate axle housing convenient and fast, after button lock locking or unblock, the ejector pin can reset under reset spring's effect, ejector pin and axle housing surface parallel and level can not only play the waterproof effect of sealed slotted hole, and to the flight that the aircraft can all be influenced to any slotted hole in surface to the high-speed aircraft of flying, the security of aircraft flight has been improved.

Furthermore, the lockset further comprises a locking mechanism, the locking mechanism comprises a locking groove matched with the outer end of the limiting clamping block, and the locking groove is formed in the lock seat.

Adopt above-mentioned further scheme's beneficial effect is, after the tool to lock locking, no longer to the ejector pin application of force, the ejector pin resets under the reset spring effect, and the tip of spacing fixture block cooperates the card with the locking groove on the lock seat to be gone into to the locking inslot, realizes the tool to lock complete locking state, when needing the unblock, presses the ejector pin through the lockhole, and the ejector pin shifts up and breaks away from the locking groove, then rotates driving piece or driving piece axle housing to realize the tool to lock and unblank. The tool to lock that has this locking mechanism needs to install the lockhole position of operating in the flap outside, can not install on the tool to lock through the link gear control, because this locking mechanism need make the ejector pin just can rotate the driving piece or be the axle housing of driving piece after breaking away from the locking groove on the lock seat through pressing the ejector pin, if install at the tool to lock through the link gear drive, because the ejector pin does not move up the atress, the ejector pin does not break away from the locking groove, the driving piece of this tool to lock can not be rotated, can influence the action of all tools to lock.

Further, the lockset further comprises a locking mechanism, the locking mechanism comprises a locking ball and a locking spring, a locking groove which is used for the locking ball to act on is arranged on the outer surface of the driving piece, a locking positioning hole is arranged on the lock seat, and the locking ball and the locking spring are arranged in the locking positioning hole.

The further scheme has the advantages that when the driving piece is an integral piece, the locking groove is formed in the outer surface of the driving piece; when the driving piece comprises the shaft shell and the ejector rod, the locking groove is formed in the outer surface of the shaft shell. The locking ball is clamped in the locking groove under the action of the locking spring, so that the lock can be completely locked, and the locking is more stable. And only when the unlocking is carried out, the driving piece can be unlocked from the locking ball and drives the swing arm to rotate when the rotating force reaches a certain value, so that the unlocking safety is improved. The locking mechanism can be used for locks in any position.

Furthermore, the locking mechanism further comprises a plug, and the plug is arranged in the locking positioning hole.

The locking positioning hole is a through hole, the locking ball and the locking spring are plugged by the plug after being installed in the locking positioning hole, and the locking ball and the locking spring are more convenient and faster to install and maintain.

Further, one of swinging boom serve be equipped with the square hole that the driving piece is connected, be equipped with on the other end with the spliced pole that the connector is connected, be equipped with on the connector with the post hole that the spliced pole is connected, the swinging boom with the connector riveting, the connector with connecting rod threaded connection.

Adopt above-mentioned further scheme's beneficial effect is, be equipped with on the driving piece or the axle housing of driving piece and be connected square post with the square hole to realize when realizing that the swinging boom is connected with the driving piece, the synchronous rotation of swinging boom and driving piece, round hole on the connector and the spliced pole sliding fit on the swinging boom, and link together two parts with the riveting, the connector forms the straight-bar with connecting rod threaded connection, thereby realize the locking in step and the unblock of all tool to lock on the flap.

Furthermore, a positioning clamping block is arranged on the shaft shell, a positioning clamping block hole is formed in the swing arm, and the positioning clamping block extends into the positioning clamping block hole.

Adopt above-mentioned further scheme's beneficial effect is, the fixture block mounting hole on the location fixture block through the driving piece is fixed a position, and the location fixture block extends to the location fixture block hole of swing arm, realizes being connected of driving piece and swing arm, and when the driving piece was axle shell and ejector pin, the axle shell passes through the cooperation in location fixture block and location fixture block hole, realizes being connected of swing arm and axle shell, can stabilize the location driving piece through the swing arm in addition and specifically can be the position of axle shell at the lock seat.

Furthermore, the support is connected with the lock seat through a hinge pin, a torsion spring is sleeved on the hinge pin, and the torsion spring is arranged below the sliding block.

The beneficial effect who adopts above-mentioned further scheme is that, at the tool to lock unblock in-process, the slider moves backward, and the torsional spring gives the slider supplementary kinetic energy, makes the slider initial rearward movement more smooth and easy, otherwise when the tool to lock locks, the slider antedisplacement, and the torsional spring gives the slider upward jacking force, increases the locking force according to the tool to lock.

Furthermore, the lock seat is provided with a strip through hole for the movement of the poking pin, and the poking pin penetrates through the strip through hole.

Adopt above-mentioned further scheme's beneficial effect be, rectangular through-hole can lead spacingly to the action of shifting pin, ensures the stable action of support. Furthermore, a sliding support surface for guiding the sliding block is arranged in the lock seat.

The beneficial effect who adopts above-mentioned further scheme is that, the action of driving piece, swing arm rotate and give the slider with power transmission through the connecting rod, and the slip holding surface supports in the bottom of slider, and slider reciprocating motion on the slip holding surface, the face reciprocating motion of slider in the spout can be supported the direction to the slip holding surface.

Drawings

Fig. 1 is a schematic front view of embodiment 1 of the present invention;

fig. 2 is a schematic top view of embodiment 1 of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A1;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A2;

fig. 6 is a schematic bottom view of embodiment 1 of the present invention;

fig. 7 is a schematic structural view of an unlocked state according to embodiment 1 of the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A3;

FIG. 9 is a schematic top view of the structure of FIG. 7;

FIG. 10 is an enlarged view of a portion of FIG. 9 at A4;

fig. 11 is a schematic perspective view of embodiment 2 of the present invention;

fig. 12 is a schematic bottom view of embodiment 2 of the present invention;

FIG. 13 is a schematic perspective view of a first lock of the present invention;

FIG. 14 is a schematic cross-sectional view of a first lock of the present invention;

FIG. 15 is a schematic structural view of a second lock of the present invention;

FIG. 16 is a cross-sectional view taken along line B-B of FIG. 15;

fig. 17 is a schematic structural view of a lock base of a second lock of the present invention;

fig. 18 is a schematic structural view of a third lock of the present invention;

fig. 19 is a schematic view of a split structure of a third lock of the present invention;

FIG. 20 is a schematic cross-sectional view of a third lock of the present invention;

fig. 21 is a schematic structural view of a shaft housing of a third lock of the present invention;

fig. 22 is a schematic structural view of a lock base of a third lock of the present invention;

fig. 23 is a schematic structural view of the linkage mechanism of the present invention;

in the drawings, 1, a flap; 11. a lock hole; 2. a flap frame; 3. a lock; 3-1, locking seat; 311. driving the jack; 312. a chute; 313. a locking groove; 314. a sliding support surface; 315. locking the positioning hole; 316. a lock base mounting hole; 317. a strip through hole; 318. a swing arm anti-reverse baffle; 319. a boss; 3-2, a driving piece; 321. a shaft housing; 322. a top rod; 323. a through groove; 324. locking the groove; 325. a slot; 3-3, swinging arms; 331. positioning a block hole; 3-4, connecting rod; 3-5, a sliding block; 3-6, a support; 361. a guide groove; 3-7, locking nails; 3-8, supporting the head; 3-9, limiting a clamping block; 3-10, positioning a fixture block; 3-11, a nut; 3-12, a return spring; 3-13, torsion spring; 3-14, pin pulling; 3-15, hinge pin; 3-16, a locking ball; 3-17, a locking spring; 3-18, plug; 3-19, riveting; 3-20 parts of a gasket; 4. a linkage mechanism; 4-1, a rotating arm; 411. a square hole; 412. connecting columns; 4-2, a connector; 421. a post hole; 4-3, connecting rod.

Detailed Description

The principles and features of the present invention are described below in conjunction with examples, which are set forth only to illustrate the present invention and are not intended to limit the scope of the present invention.

Embodiment 1, as shown in fig. 1-10, a flap locking device, flap 1 is articulated with flap frame 2, locking device is including setting up two at least tool to lock 3 on the flap, and is adjacent connect through link gear 4 between the tool to lock, be equipped with on the flap with the lockhole that tool to lock quantity is unanimous. The lock which synchronously acts through the linkage mechanism cannot adopt the locking groove as the locking mechanism.

Referring to fig. 13-14, which are drawings of a first kind, the lock 3 includes a lock base 3-1, a driving member 3-2 disposed on the lock base, a swing arm 3-3, a sliding block 3-5, a support 3-6 and a ram, one side of the lock seat is provided with a driving piece insertion hole 311, the other side is provided with a sliding groove 312, the driving piece is arranged in the driving piece insertion hole, the sliding block is arranged in the sliding groove, one end of the swing arm is connected with the driving piece, the other end of the swing arm is hinged with one end of the sliding block through a connecting rod 3-4, the support 3-6 is bent, one end of the support is hinged with the lock seat, the middle part of the support is provided with a guide groove 361, the other end of the support is connected with the pressure head, the other end of the sliding block is provided with a shifting pin 3-14, the end part of the shifting pin extends into the guide groove, and the lock seat is provided with a lock seat mounting hole 316 connected with the inner surface of the opening cover;

install on the lockhole be equipped with the suit on the lock seat be equipped with the boss 319 in the lockhole, the driving piece jack extends to in the boss, be equipped with on the driving piece and be convenient for rotate the slotted hole 325 of driving piece. The linkage mechanism is connected with the driving pieces of the adjacent lock.

The linkage mechanism 4 comprises a rotating arm 4-1 connected with a driving piece of the lock, a connecting rod 4-3 connected with the adjacent lock and a connector 4-2 used for connecting the rotating arm and the connecting rod. The swinging boom is connected with the driving piece, rotates along with the driving piece is synchronous to transmit power for the connecting rod through the connector, couple together all locksets through link gear, thereby realize operating any tool to lock alright with other tool to lock under link gear's effect locking or unblock in step, operate convenient and fast more.

As shown in fig. 15-17, the driving member 3-2 includes a shaft housing 321 and a top rod 322 inserted into the shaft housing, the shaft housing is sleeved in the driving member insertion hole, the shaft housing is provided with a through groove 323, the top rod is provided with a limiting fixture block 3-9, the limiting fixture block extends into the through groove, the top rod below the limiting fixture block is provided with a return spring 3-12, and the swing arm is connected with the shaft housing. The driving piece includes axle housing and the ejector pin of suit in the axle housing, the spanner acts on the ejector pin, the ejector pin shifts up and makes the axle housing expose the slotted hole of the spanner operation of being convenient for, rotate axle housing convenient and fast, after button lock locking or unblock, the ejector pin can reset under reset spring's effect, ejector pin and axle housing surface parallel and level can not only play the waterproof effect of sealed slotted hole, and to the flight that the aircraft can all be influenced to any slotted hole in surface to high-speed flight aircraft in addition, the security that the aircraft flies has been improved.

The lockset further comprises a locking mechanism, the locking mechanism comprises a locking groove 313 matched with the outer end of the limiting clamping block, and the locking groove is formed in the lock seat. After the tool to lock locks, no longer to the ejector pin application of force, the ejector pin resets under the reset spring effect, and the tip of spacing fixture block cooperates the card with the locking groove on the lock seat to be gone into the locking inslot, realizes the complete locking state of tool to lock, when needing the unblock, presses the ejector pin through the lockhole, and the ejector pin shifts up and breaks away from the locking groove, then rotates driving piece or driving piece axle housing to realize that the tool to lock unblanks. The tool to lock that has this locking mechanism needs to install the lockhole position of operating in the flap outside, can not install on the tool to lock through the link gear control, because this locking mechanism need make the ejector pin just can rotate the driving piece or be the axle housing of driving piece after breaking away from the locking groove on the lock seat through pressing the ejector pin, if install at the tool to lock through the link gear drive, because the ejector pin does not move up the atress, the ejector pin does not break away from the locking groove, the driving piece of this tool to lock can not be rotated, can influence the action of all tools to lock.

As shown in fig. 18-22, the driving member can be a whole member or includes a shaft housing and a top bar, the lock further includes a locking mechanism, the locking mechanism includes locking balls 3-16 and locking springs 3-17, a locking groove 324 is provided on the outer surface of the driving member, the locking seat is provided with a locking positioning hole 315, and the locking balls and the locking springs are installed in the locking positioning hole. When the driving member is a whole piece, the locking groove is arranged on the outer surface of the driving member; when the driving piece comprises the shaft shell and the ejector rod, the locking groove is formed in the outer surface of the shaft shell. The locking ball is clamped in the locking groove under the action of the locking spring, so that the lock can be completely locked, and the locking is more stable. And only when the unlocking is carried out, the driving piece can be unlocked from the locking ball and drives the swing arm to rotate when the rotating force reaches a certain value, so that the unlocking safety is improved. The locking mechanism can be used for locks in any position.

The locking mechanism further comprises plugs 3-18, and the plugs are arranged in the locking positioning holes 320. The locking positioning hole is a through hole, the locking positioning hole is plugged by the plug after the locking ball and the locking spring are installed in the locking positioning hole, and the installation and maintenance operation of the locking ball and the locking spring are more convenient and faster.

One of swinging boom serve be equipped with the square hole 411 that the driving piece is connected, be equipped with on the other end with the spliced pole 412 that the connector is connected, be equipped with on the connector with the post hole 421 that the spliced pole is connected, the swinging boom with the connector riveting, the connector with connecting rod threaded connection. Be equipped with on the driving piece or the axostylus axostyle of driving piece on be connected square post with the square hole to realize when realizing that the swinging boom is connected with the driving piece, the synchronous of swinging boom and driving piece rotates, round hole on the connector and the spliced pole sliding fit on the swinging boom to link together two parts with the riveting, the connector forms the straight-bar with connecting rod threaded connection, thereby realize the locking in step and the unblock of all tool to locks on the flap.

The shaft shell is provided with 3-10 positioning clamping blocks, the swing arm is provided with 331 positioning clamping block holes, and the positioning clamping blocks extend into the positioning clamping block holes. The location fixture block is fixed a position through the fixture block mounting hole on the driving piece, and the location fixture block extends to in the location fixture block hole of swing arm, realizes being connected of driving piece and swing arm, and when the driving piece was axle housing and ejector pin, the axle housing passes through the cooperation in location fixture block and location fixture block hole, realizes being connected of swing arm and axle housing, can specifically be the position of axle housing at the lock seat through the swing arm stable positioning driving piece in addition.

The support is connected with the lock seat through a hinge pin 3-15, a torsion spring 3-13 is sleeved on the hinge pin, and the torsion spring is arranged below the sliding block. In the unlocking process of the lock, the sliding block moves backwards, the torsional spring provides auxiliary kinetic energy for the sliding block, so that the sliding block moves backwards more smoothly initially, otherwise, when the lock is locked, the sliding block moves forwards, the torsional spring provides upward ejecting force for the sliding block, and the locking force of the lock is increased.

The lock seat is provided with a strip through hole 317 for the movement of the shift pin, and the shift pin penetrates through the strip through hole. The strip through hole can guide and limit the action of the shifting pin, and the stable action of the support is ensured.

A sliding support surface 314 for guiding the slider is arranged in the lock seat. The driving piece acts, the swing arm rotates and transmits power to the sliding block through the connecting rod, the sliding support surface is supported at the bottom of the sliding block, the sliding block reciprocates on the sliding support surface, and the sliding support surface can support and guide the reciprocating motion of the sliding block in the sliding chute.

Embodiment 2, as shown in fig. 11 and 12, the door is provided with a locking hole 11. No matter a plurality of locksets are installed on the opening cover, only one lockhole is arranged on the opening cover, and the opening and closing of all the locksets are controlled through only one lockhole. The lock corresponding to the lock hole can adopt a first lock, a second lock and a third lock, the lock is riveted with the inner side of the opening cover through the lock seat mounting hole, and the corresponding bulge at the bottom of the lock seat is matched with the lock hole; other locksets are riveted with the inner side of the opening cover through the lock seat mounting hole, the bottom surface of the lock seat is parallel and level, the first type of lockset and the third type of lockset can be adopted, and the locksets with locking grooves cannot be adopted by the locking mechanism.

The utility model discloses the button lock is including unblock and two states of locking, opens a relative big or small lockhole at the flap assigned position, installs the lockhole position with the tool to lock, and other tool to lock highly set up unanimously, according to connecting rod length, joins in marriage on the relative region of flap through 3 riveting holes and lock seat mounting hole on the tool to lock and beats the riveting hole, then with rivet connection, accomplishes tool to lock and link gear's installation.

Taking the third kind of lock as an example, when unlocking, a lock hole to be operated needs to be found on the outer surface of the cover, the ejector rod is pressed by a hexagonal wrench, the shaft shell is pulled and screwed, when the rotating force reaches a certain value, the shaft shell is unlocked from the locking ball and drives the rocker arm and the rotating arm to rotate, under the action of the swing arm anti-reverse baffle 318, the ejector rod can only be twisted along the clockwise needle plate, the rocker arm and the rotating arm rotate clockwise, the rotating arm rotates to provide a pushing force or a pulling force for the connector, the other rotating arms and the rotating shaft are driven to rotate under the action of the force, only one lock needs to be pulled and screwed, the other locks synchronously rotate under the action of the linkage mechanism, the connecting rod acts to convert the rotating kinetic energy of the swing arm into the linear kinetic energy of the slider, in the unlocking process, the slider moves backwards, the torsion spring provides the auxiliary kinetic energy for the slider, the initial, the slide block moves to the rearmost end, the wrenching stops, the lockset is unlocked completely, and the opening cover can be opened.

During locking, press the ejector pin with hexagonal spanner, then pull anticlockwise and twist, drive the axle housing, the rocking arm, the swinging boom is also anticlockwise rotatory, the swinging boom rotation gives connector one thrust or pulling force, drive other swinging booms under the effect of force, the pivot is rotatory, the connecting rod converts the swing arm rotation kinetic energy into slider straight line kinetic energy, in the locking process, the slider antedisplacement drives the support simultaneously and is rotary motion, make to support the head and press to the flap frame, the slider moves to foremost, pull and twist and stop, withdraw from hexagonal spanner, the locking ball blocks in the locking recess on the axle housing of driving piece or driving piece under the torsion spring effect, realize that the tool to lock is whole to be locked, flap locking is closed. Tool to lock and flap assembled area, highly can be according to flap thickness customization, open corresponding aperture at the flap assigned position, can be at the outside operation tool to lock of flap after the installation tool to lock. Through the ingenious connection cooperation of each subassembly, only need open a lockhole in flap relative position, then pull the button lock, other button locks are opened in step under link gear's effect, and the product has simple structure simultaneously, and is small, light in weight, be applicable to stealthy aircraft and use, can satisfy radar wave low reflection demand, can realize flap one side many products linkage, simple operation is reliable, can adapt to regular shape opening and irregular opening and use.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit 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

1. A cover locking device is characterized in that the locking device comprises at least two locks arranged on the cover, the adjacent locks are connected through a linkage mechanism, and the cover is provided with at least one lock hole;

2. The flap locking device according to claim 1, wherein the driving member includes a shaft housing and a push rod inserted into the shaft housing, the shaft housing is inserted into the driving member insertion hole, the shaft housing is provided with a through groove, the push rod is provided with a limit block, the limit block extends into the through groove, the push rod below the limit block is provided with a return spring, and the swing arm is connected with the shaft housing.

3. The flap locking device according to claim 1 or 2, wherein the lock further comprises a locking mechanism, the locking mechanism comprises a locking groove adapted to an outer end of the limiting block, and the locking groove is provided on the lock holder.

4. The flap locking device according to claim 1 or 2, wherein the lock further comprises a locking mechanism, the locking mechanism comprises a locking ball and a locking spring, a locking groove which interacts with the locking ball is provided on an outer surface of the driving member, a locking positioning hole is provided on the lock base, and the locking ball and the locking spring are installed in the locking positioning hole.

5. The flap locking device of claim 4 wherein the locking mechanism further comprises a plug disposed within the locking detent.

6. The flap locking device according to claim 1 wherein the linkage comprises a pivot arm connected to the driving member of the lock, a connecting rod connecting adjacent to the lock, and a connector for connecting the pivot arm to the connecting rod.

7. The flap locking device according to claim 6, wherein one end of the rotary arm is provided with a square hole connected with the driving member, the other end of the rotary arm is provided with a connecting post connected with the connector, the connector is provided with a post hole connected with the connecting post, and the connector is in threaded connection with the connecting rod.

8. The flap locking device according to claim 2, wherein the shaft housing is provided with a positioning block, the swing arm is provided with a positioning block hole, and the positioning block extends into the positioning block hole.

9. The flap locking device according to claim 1, wherein the support is connected to the lock bracket by a hinge pin, on which a torsion spring is sleeved, the torsion spring being disposed below the slider.

10. The flap locking device according to claim 1, wherein the lock base has an elongated through hole for movement of the thumb pin, the thumb pin passing through the elongated through hole.