CN107558824B - Locking device and cabin door locking system - Google Patents
Locking device and cabin door locking system Download PDFInfo
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- CN107558824B CN107558824B CN201710962539.9A CN201710962539A CN107558824B CN 107558824 B CN107558824 B CN 107558824B CN 201710962539 A CN201710962539 A CN 201710962539A CN 107558824 B CN107558824 B CN 107558824B
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Abstract
The invention discloses a locking device and a cabin door locking system, and relates to the field of locking instruments. The locking device comprises a first lock, a second lock, a first handle part, a second handle part, a lock disc connecting rod, a star-shaped linkage part, a first unlocking part and a second unlocking part. First ejector pin subassembly and first lock dish swing joint, the installation department is installed on first lock dish, and rotates with first lock dish and be connected, first ejector pin subassembly and first end connection, and second handle part passes through the lock dish connecting rod and is connected with the second end, and first unlocking piece and second unlocking piece all are connected with the third end. Compared with the prior art, the locking device provided by the invention adopts the first lock, the second lock, the first handle part and the second handle part which are connected with the star-shaped linkage part, so that double locking can be performed, the safety performance is good, the locks can be opened at different positions, the locking device is flexible and ingenious, the user experience is good, and the practicability is strong.
Description
Technical Field
The invention relates to the field of locking instruments, in particular to a locking device and a cabin door locking system.
Background
The cockpit is the cockpit of the pilot controlling the aircraft and is typically located at the front end of an aircraft. Except for the early part of the aircraft, most aircraft now have a closed cockpit design. Various flight instruments and aircraft control systems are generally installed in the aircraft cockpit. Most civil aircrafts are separated by a door between a cockpit and a passenger cabin so as to deal with the occurrence of accidents such as hijacking and the like.
At present, along with the development of scientific technology, the safety of the cockpit door is more and more important, and the requirement of people on the service performance of the cockpit door is higher and higher. The inventor researches and discovers that the lock applied to the cockpit door at present is complex in structure, the locking or unlocking steps are complex, the cockpit door cannot be flexibly opened from the inner side or the outer side of the cockpit door, the locking is not tight enough, and safety accidents are easy to happen.
In view of this, it is important to design and manufacture a locking device and a cabin door locking system which are tightly locked and conveniently opened and closed, especially in the production of a cockpit.
Disclosure of Invention
The invention aims to provide a locking device which is simple in structure, capable of carrying out double locking, good in safety performance, flexible and ingenious, good in user experience and strong in practicability, and locks can be opened at different positions.
The invention also aims to provide the cabin door locking system which is simple in structure, capable of carrying out double locking, good in safety performance, flexible and ingenious, good in user experience feeling, strong in practicability and high in cost performance, and locks can be opened at different positions.
The invention is realized by adopting the following technical scheme.
A locking device comprises a first lock, a second lock, a first handle part, a second handle part, a lock disc connecting rod, a star-shaped linkage part, a first unlocking part and a second unlocking part, wherein the first lock and the second lock are arranged at intervals, the first handle part and the second handle part are arranged at intervals, the star-shaped linkage part comprises an installation part, a first end part, a second end part and a third end part, the first end part, the second end part and the third end part are arranged around the installation part in a surrounding manner, the first handle part comprises a first lock disc and a first ejector rod component, the first ejector rod component is movably connected with the first lock disc, the installation part is arranged on the first lock disc and is rotatably connected with the first lock disc, the first ejector rod component is connected with the first end part, the second handle part is connected with the second end part through the lock disc connecting rod, the first unlocking part and the second unlocking part are both connected with the third end part, one end of the first unlocking part, which is far away from the third end part, is connected with the first lock disc, one end of the second unlocking piece far away from the third end part is connected with the second lock.
Further, the first handle component further comprises a first handle and a locking assembly, the first handle is mounted in the first lock disc and is hinged to the first lock disc, one end of the first handle penetrates through the first lock disc and is hinged to the first ejector rod assembly, the other end of the first handle is connected with the first lock disc through the locking assembly, and the locking assembly selectively limits the position of the first handle relative to the first lock disc.
Further, the locking subassembly includes locking shell, lock core and locking piece, and locking shell fixed mounting is in the first in command, and the lock core is installed in the locking shell, and rotates with the locking shell to be connected, and the lock core is connected with the locking piece to the locking piece is supported with first lock dish to the selectivity is driven and is held.
Furthermore, the second handle part comprises a second handle, a second ejector rod assembly, a second lock disc and a safety assembly, the second handle is installed in the second lock disc and is hinged to the second lock disc, one end of the second handle penetrates through the second lock disc and is hinged to the second ejector rod assembly, the second ejector rod assembly is connected with a lock disc connecting rod, the safety assembly comprises a screwing piece and a stop piece, the screwing piece is installed on the second lock disc and is rotationally connected with the second lock disc, the stop piece is fixedly connected with the screwing piece, and the stop piece selectively abuts against the handle to prevent the second handle from rotating relative to the second lock disc.
Furthermore, the second ejector rod assembly comprises an ejector rod body, a limiting part and a first elastic part, the first elastic part is sleeved on the ejector rod body and is abutted against the limiting part, the limiting part is fixedly connected with the second lock disc, one end of the ejector rod body is hinged to the second handle, and the other end of the ejector rod body penetrates through the limiting part and is connected with the lock disc connecting rod.
Further, first locking tool includes the lock body shell, the spring bolt, the second elastic component, swing arm spare and lock seat shell, be provided with flexible cavity in the lock body shell, the spring bolt passes through second elastic component and lock body shell swing joint, and scalable perhaps indentation flexible cavity, swing arm spare is installed on the lock body shell, and be connected with second elastic component and first division latch fitting respectively, swing arm spare can compress the second elastic component in order to drive the flexible cavity of spring bolt retraction, be provided with the holding cavity in the lock seat shell, the position of holding cavity is corresponding with the position of flexible cavity, the scalable holding cavity of spring bolt.
Furthermore, the swing arm piece comprises a first swing portion, a connecting portion and a second swing portion, the first swing portion is fixedly connected with the second swing portion through the connecting portion, the connecting portion is rotatably connected with the lock body shell, the first swing portion is connected with the second elastic piece, and the second swing portion is connected with the first unlocking piece.
Furthermore, first tool to lock still includes trigger piece and warning unit, triggers a movable mounting in the holding cavity, and is connected with warning unit, when the spring bolt stretches into the holding cavity and with trigger piece butt, triggers a control warning unit and sends the warning.
Furthermore, the first unlocking and locking piece comprises an outer sleeve and a pull wire, the outer sleeve is sleeved outside the pull wire and is in sliding connection with the pull wire, one end of the pull wire is connected with the first locking device, and the other end of the pull wire is connected with the third end part; the second is opened the latch fitting and is the rigidity connecting rod, and the one end and the second tool to lock of second division of latch fitting are connected, and the other end is connected with third end.
A cabin door locking system comprises a cabin door, a rack and a locking device, wherein the cabin door is rotationally connected with the rack, the locking device comprises a first lock, a second lock, a first handle part, a second handle part, a lock disc connecting rod, a star-shaped linkage part, a first unlocking part and a second unlocking part, the cabin door is connected with the rack through the first lock and the second lock, the first lock and the second lock are arranged at intervals, the first handle part and the second handle part are respectively arranged on two side surfaces of the cabin door, the first handle part and the second handle part are arranged at intervals, the star-shaped linkage part comprises an installation part, a first end part, a second end part and a third end part, the first end part, the second end part and the third end part are arranged around the installation part, the first handle part comprises a first lock disc and a first ejector rod assembly, the first ejector rod assembly is movably connected with the first lock disc, the installation part is arranged on the first lock disc, and rotate with first lock dish and be connected, first ejector pin subassembly and first end connection, second handle part passes through lock dish connecting rod and is connected with the second end, and first lock piece and second lock piece of opening are all connected with the third end, and first one end that third end was kept away from to the lock piece of opening is connected with first tool to lock, and the second is opened the one end that the third end was kept away from to the lock piece and is connected with the second tool to lock.
The locking device and the cabin door locking system provided by the invention have the following beneficial effects:
according to the locking device provided by the invention, when the lockset needs to be opened, a user can conveniently select to pull the first handle part or the second handle part according to the user, when the first handle part is pulled, the first ejector rod component drives the first end part to rotate, so that the third end part rotates, and the first lockset and the second lockset are driven to be opened through the first unlocking piece and the second unlocking piece; when pulling second handle part, the lock dish connecting rod drives the second tip and rotates to make third tip rotate, open the latch fitting through first division of latch fitting and second and drive first tool to lock and second tool to lock and open. Compared with the prior art, the locking device provided by the invention adopts the first lock, the second lock, the first handle part and the second handle part which are connected with the star-shaped linkage part, so that double locking can be performed, the safety performance is good, the locks can be opened at different positions, the locking device is flexible and ingenious, the user experience is good, and the practicability is strong.
The cabin door locking system provided by the invention comprises the locking device, has a simple structure, can perform double locking, has good safety performance, can open the lock at different positions, is flexible and ingenious, and has good user experience, strong practicability and high cost performance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a locking device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a first handle member of the locking device according to an embodiment of the present invention;
FIG. 3 is a schematic view of another perspective of the first handle member of the locking device in accordance with the present invention;
FIG. 4 is a schematic view of a second handle member of the locking device according to one embodiment of the present invention;
FIG. 5 is a schematic view of another perspective of the second handle member of the locking device in accordance with the present invention;
fig. 6 is a schematic structural diagram of a first lock in the locking device according to the embodiment of the present invention.
An icon: 10-a locking device; 100-a first lock; 110-a lock body shell; 111-a telescoping cavity; 120-a locking tongue; 130-a second elastic member; 140-a swinging arm member; 141-a first swing part; 143-a connecting portion; 145-a second swing part; 150-a latch base shell; 151-an accommodation cavity; 160-a trigger; 170-an alert unit; 200-a second lockset; 300-a first handle part; 310-a first lock collar; 330-a first ram assembly; 350-a first handle; 370-a locking assembly; 371-locking outer cover; 373-a lock cylinder; 375-lock; 400-a second handle part; 410-a second handle; 430-a second ram assembly; 431-a mandril body; 433-a stopper; 435-a first elastic member; 450-a second lock collar; 470-a safety component; 471-screwing piece; 473-stop member; 500-lock collar linkage; 600-a star linkage; 610-a mounting portion; 630-a first end portion; 650-a second end; 670-a third end; 700-first unlocking member; 710-a jacket; 730-a pull line; 800-second open-close piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally put in use of products of the present invention, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The features in the embodiments described below may be combined with each other without conflict.
Examples
Referring to fig. 1, an embodiment of the present invention provides a door locking system (not shown) for opening or closing a cockpit. Its simple structure can carry out dual locking, and the security performance is good to can open the tool to lock in different positions, nimble ingenious, user experience feels good, and the practicality is strong, the sexual valence relative altitude. The hatch locking system comprises a hatch (not shown), a frame (not shown) and a locking device 10. The cabin door is rotatably connected with the rack and can rotate relative to the rack, so that the internal space of the rack is communicated or sealed with the outside. The hatch is connected to the frame by means of a locking device 10, which locking device 10 is used to lock or unlock the hatch in relation to the frame.
The locking device 10 includes a first lock 100, a second lock 200, a first handle part 300, a second handle part 400, a lock collar link 500, a star linkage 600, a first unlocking piece 700, and a second unlocking piece 800. The hatch door is connected with the frame through a first lock 100 and a second lock 200, and the first lock 100 and the second lock 200 are arranged at intervals to realize double locking on the hatch door and increase the safety performance of the hatch door. In this embodiment, the first latch 100 is mounted on the top of the door, and the second latch 200 is mounted on the bottom of the door. The first handle member 300 and the second handle member 400 are respectively installed at both lateral sides of the door, and the first handle member 300 and the second handle member 400 are spaced apart from each other to facilitate a user to open the door from inside or outside the door. In this embodiment, the first handle member 300 is mounted to the outside of the door and the second handle member 400 is mounted to the inside of the door. The star linkage 600 is installed on the first handle part 300, and the first handle part 300 is connected with the star linkage 600 to drive the star linkage 600 to rotate. The second handle part 400 is connected to the star linkage 600 through the lock plate link 500 to rotate the star linkage 600. The star-shaped linkage 600 is connected to the first lock 100 through the first unlocking member 700 to open the first lock 100 by the first handle member 300 or the second handle member 400. The star linkage 600 is connected to the second lock 200 through the second unlocking part 800 to unlock the second lock 200 by the first handle part 300 or the second handle part 400.
Referring to fig. 2 and 3, the star linkage 600 includes a mounting portion 610, a first end portion 630, a second end portion 650, and a third end portion 670. The first end 630, the second end 650 and the third end 670 are disposed around the mounting portion 610, and the mounting portion 610 is mounted on the first handle member 300 and can rotate relative to the first handle member 300. First end 630 is connected to first handle member 300, second end 650 is connected to second handle member 400 via lock collar link 500, and third end 670 is connected to first and second opening latches 700 and 800, respectively.
The locking assembly 370 includes a lock housing 371, a lock cylinder 373, and a lock 375. The lock housing 371 is fixedly installed in the first handle 350, the lock cylinder 373 is installed in the lock housing 371 and rotatably connected to the lock housing 371, and the lock cylinder 373 is connected to the lock member 375 to selectively drive the lock member 375 to abut against the first lock plate 310. When a user locks the hatch from the outside of the hatch, the lock cylinder 373 can be used to drive the locking member 375 to fix the first handle 350 on the first lock plate 310, so as to prevent the first handle 350 from being pulled, thereby improving the safety performance.
Referring to fig. 4, the second handle part 400 includes a second handle 410, a second ram assembly 430, a second lock collar 450, and a safety assembly 470. The second handle 410 is installed in the second lock disc 450 and is hinged to the second lock disc 450, one end of the second handle 410 passes through the second lock disc 450 and is hinged to the second push rod assembly 430, and the second push rod assembly 430 is connected to the lock disc connecting rod 500. The safety assembly 470 is installed on the second lock plate 450, and when the door needs to be locked to prevent the door from being opened by mistake during the flight, the safety assembly 470 is rotated to lock the second handle 410.
The safety assembly 470 includes a screw 471 and a stopper 473. The screwing member 471 is installed on the second lock plate 450 and is connected to the second lock plate 450 in a rotating manner, the stopping member 473 is fixedly connected to the screwing member 471, and the stopping member 473 selectively abuts against the handle to prevent the second handle 410 from rotating relative to the second lock plate 450.
Referring to fig. 5, the second stem assembly 430 includes a stem body 431, a limiting member 433, and a first elastic member 435. The first elastic member 435 is sleeved on the top rod body 431 and abuts against the limiting member 433, the limiting member 433 is fixedly connected with the second lock disc 450, one end of the top rod body 431 is hinged to the second handle 410, and the other end of the top rod body 431 passes through the limiting member 433 and is connected with the lock disc connecting rod 500.
In this embodiment, the specific structure of the first lift pin assembly 330 is the same as the specific structure of the second lift pin assembly 430, and is not described herein again.
Referring to fig. 6, the first lock 100 includes a lock housing 110, a latch tongue 120, a second elastic member 130, a swing arm 140, a lock housing 150, a trigger 160, and a warning unit 170. The lock body housing 110 is provided therein with a telescopic cavity 111, and the latch 120 is movably connected to the lock body housing 110 through a second elastic member 130, and can extend out of or retract into the telescopic cavity 111. The swing arm 140 is mounted on the lock housing 110 and respectively connected to the second elastic member 130 and the first unlocking member 700, and the swing arm 140 can compress the second elastic member 130 to drive the locking tongue 120 to retract into the telescopic cavity 111. A receiving cavity 151 is formed in the housing 150, the position of the receiving cavity 151 corresponds to the position of the telescopic cavity 111, and the latch 120 can extend into the receiving cavity 151. The trigger 160 is movably installed in the accommodating cavity 151 and connected to the warning unit 170, and when the latch 120 extends into the accommodating cavity 151 and abuts against the trigger 160, the trigger 160 controls the warning unit 170 to send a warning.
The swing arm 140 includes a first swing portion 141, a connecting portion 143, and a second swing portion 145. The first swing portion 141 is fixedly connected with the second swing portion 145 through a connecting portion 143, the connecting portion 143 is rotatably connected with the lock body case 110, the first swing portion 141 is connected with the second elastic member 130, and the second swing portion 145 is connected with the first unlocking member 700.
In this embodiment, the specific structure of the second lock 200 is the same as that of the first lock 100, and is not described herein again.
With continued reference to fig. 1, the first unlocking member 700 includes a sheath 710 and a pull wire 730. The sheath 710 is disposed outside the pull line 730 and slidably connected to the pull line 730, one end of the pull line 730 is connected to the first lock 100, and the other end is connected to the third end 670. When the third end 670 is rotated, the pull wire 730 slides relative to the outer cover 710, pulling the first lock 100 open.
Second unlocking member 800 is a rigid linkage. One end of the second unlocking member 800 is connected to the second lock 200, and the other end is connected to the third end 670. When the third end 670 rotates, the second unlocking element 800 displaces to abut against the second lock 200, thereby pushing the second lock 200 to open.
According to the locking device 10 provided by the embodiment of the invention, when a lock needs to be opened, a user can conveniently pull the first handle component 300 or the second handle component 400 according to the user, when the first handle component 300 is pulled, the first ejector rod component 330 drives the first end part 630 to rotate, so that the third end part 670 rotates, and the first lock 100 and the second lock 200 are driven to be opened through the first unlocking part 700 and the second unlocking part 800; when the second handle part 400 is pulled, the lock collar link 500 rotates the second end 650, so that the third end 670 rotates to open the first and second locksets 100 and 200 by the first and second unlocking pieces 700 and 800. Compared with the prior art, the locking device 10 provided by the invention adopts the first lock 100, the second lock 200, the first handle component 300 and the second handle component 400 which are connected with the star-shaped linkage 600, so that double locking can be performed, the safety performance is good, the locks can be opened at different positions, the locking device is flexible and ingenious, the user experience is good, the practicability is high, the cabin door locking system has multiple functions, the safety performance is strong, and the cost performance is high.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A locking device is characterized by comprising a first lock, a second lock, a first handle part, a second handle part, a lock disc connecting rod, a star-shaped linkage part, a first unlocking part and a second unlocking part, wherein the first lock and the second lock are arranged at intervals, the first handle part and the second handle part are arranged at intervals, the star-shaped linkage part comprises an installation part, a first end part, a second end part and a third end part, the first end part, the second end part and the third end part are arranged around the installation part in a surrounding mode, the first handle part comprises a first lock disc and a first ejector rod component, the first ejector rod component is movably connected with the first lock disc, the installation part is installed on the first lock disc and is rotatably connected with the first lock disc, the first ejector rod component is connected with the first end part, and the second handle part is connected with the second end part through the lock disc connecting rod, the first unlocking piece and the second unlocking piece are both connected with a third end part, one end of the first unlocking piece, which is far away from the third end part, is connected with the first lock, and one end of the second unlocking piece, which is far away from the third end part, is connected with the second lock;
the first lock comprises a lock body shell, a lock tongue, a second elastic piece, a swinging arm piece and a lock seat shell, wherein a telescopic cavity is arranged in the lock body shell, the lock tongue is movably connected with the lock body shell through the second elastic piece and can extend out of or retract into the telescopic cavity, the swinging arm piece is installed on the lock body shell and is respectively connected with the second elastic piece and the first unlocking piece, the swinging arm piece can compress the second elastic piece to drive the lock tongue to extend into the telescopic cavity, an accommodating cavity is arranged in the lock seat shell, the position of the accommodating cavity corresponds to the position of the telescopic cavity, and the lock tongue can extend into the accommodating cavity;
the first unlocking and locking piece comprises a jacket and a pull wire, the jacket is sleeved outside the pull wire and is in sliding connection with the pull wire, one end of the pull wire is connected with the first locking device, and the other end of the pull wire is connected with the third end part; the second is opened the latch fitting and is the rigidity connecting rod, the second open the latch fitting one end with the second tool to lock is connected, the other end with third end connection.
2. The locking device of claim 1, wherein the first handle member further comprises a first handle and a locking assembly, the first handle is mounted within and hingedly connected to the first lock collar, one end of the first handle passes through the first lock collar and is hingedly connected to the first ram assembly, the other end of the first handle is connected to the first lock collar via the locking assembly, and the locking assembly selectively restricts the position of the first handle relative to the first lock collar.
3. The lock apparatus of claim 2, wherein the lock assembly comprises a lock housing, a lock cylinder, and a lock member, the lock housing is fixedly mounted in the first handle, the lock cylinder is mounted in the lock housing and rotatably coupled to the lock housing, and the lock cylinder is coupled to the lock member to selectively drive the lock member to abut against the first lock plate.
4. The locking device of claim 1 wherein the second handle member includes a second handle mounted within the second lock collar and hingedly connected to the second lock collar, a second ram assembly connected to the lock collar link, a second lock collar including a twisting member mounted on the second lock collar and rotatably connected to the second lock collar, and a safety assembly fixedly connected to the twisting member and selectively engageable with the handle to prevent rotation of the second handle relative to the second lock collar.
5. The locking device according to claim 4, wherein the second ejector rod assembly comprises an ejector rod body, a limiting member and a first elastic member, the first elastic member is sleeved on the ejector rod body and abuts against the limiting member, the limiting member is fixedly connected with the second lock disc, one end of the ejector rod body is hinged to the second handle, and the other end of the ejector rod body passes through the limiting member and is connected with the lock disc connecting rod.
6. The locking device of claim 1, wherein the swinging arm member comprises a first swinging portion, a connecting portion and a second swinging portion, the first swinging portion is fixedly connected with the second swinging portion through the connecting portion, the connecting portion is rotatably connected with the lock body housing, the first swinging portion is connected with the second elastic member, and the second swinging portion is connected with the first unlocking member.
7. The locking device of claim 1, wherein the first lock further comprises a trigger and a warning unit, the trigger is movably mounted in the accommodating cavity and connected to the warning unit, and when the bolt extends into the accommodating cavity and abuts against the trigger, the trigger controls the warning unit to send a warning.
8. A cabin door locking system is characterized by comprising a cabin door, a rack and a locking device, wherein the cabin door is rotationally connected with the rack, the locking device comprises a first lock, a second lock, a first handle part, a second handle part, a lock disc connecting rod, a star-shaped linkage part, a first unlocking part and a second unlocking part, the cabin door is connected with the rack through the first lock and the second lock, the first lock and the second lock are arranged at intervals, the first handle part and the second handle part are respectively arranged on two side surfaces of the cabin door, the first handle part and the second handle part are arranged at intervals, the star-shaped linkage part comprises an installation part, a first end part, a second end part and a third end part, the first end part, the second end part and the third end part are arranged around the installation part, the first handle part comprises a first lock disc and a first ejector rod assembly, the first ejector rod assembly is movably connected with the first lock disc, the mounting part is mounted on the first lock disc and is rotatably connected with the first lock disc, the first ejector rod assembly is connected with the first end part, the second handle part is connected with the second end part through the lock disc connecting rod, the first unlocking piece and the second unlocking piece are both connected with the third end part, one end, far away from the third end part, of the first unlocking piece is connected with the first lock, and one end, far away from the third end part, of the second unlocking piece is connected with the second lock;
the first lock comprises a lock body shell, a lock tongue, a second elastic piece, a swinging arm piece and a lock seat shell, wherein a telescopic cavity is arranged in the lock body shell, the lock tongue is movably connected with the lock body shell through the second elastic piece and can extend out of or retract into the telescopic cavity, the swinging arm piece is arranged on the lock body shell and is respectively connected with the second elastic piece and the first unlocking piece, the swinging arm piece can compress the second elastic piece to drive the lock tongue to extend into the telescopic cavity, an accommodating cavity is arranged in the lock seat shell, the position of the accommodating cavity corresponds to the position of the telescopic cavity, and the lock tongue can extend into the accommodating cavity;
the first unlocking and locking piece comprises a jacket and a pull wire, the jacket is sleeved outside the pull wire and is in sliding connection with the pull wire, one end of the pull wire is connected with the first locking device, and the other end of the pull wire is connected with the third end part; the second is opened the latch fitting and is the rigidity connecting rod, the second open the latch fitting one end with the second tool to lock is connected, the other end with third end connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710962539.9A CN107558824B (en) | 2017-10-17 | 2017-10-17 | Locking device and cabin door locking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710962539.9A CN107558824B (en) | 2017-10-17 | 2017-10-17 | Locking device and cabin door locking system |
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| Publication Number | Publication Date |
|---|---|
| CN107558824A CN107558824A (en) | 2018-01-09 |
| CN107558824B true CN107558824B (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710962539.9A Active CN107558824B (en) | 2017-10-17 | 2017-10-17 | Locking device and cabin door locking system |
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| CN (1) | CN107558824B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108179933A (en) * | 2018-02-28 | 2018-06-19 | 江苏恒铭达航空设备有限公司 | Cabin door is gone straight up to outer unlocking structure easy to operate |
| CN108222695A (en) * | 2018-02-28 | 2018-06-29 | 江苏恒铭达航空设备有限公司 | Cabin door is gone straight up to interior unlocking structure easy to operate |
| CN109629906A (en) * | 2018-12-28 | 2019-04-16 | 陕西中航气弹簧有限责任公司 | A kind of helicopter cockpit door latching mechanism |
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| CN107558824A (en) | 2018-01-09 |
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