CN111119582B - Three-point cabin door lock mechanism - Google Patents
Three-point cabin door lock mechanism Download PDFInfo
- Publication number
- CN111119582B CN111119582B CN201911420660.4A CN201911420660A CN111119582B CN 111119582 B CN111119582 B CN 111119582B CN 201911420660 A CN201911420660 A CN 201911420660A CN 111119582 B CN111119582 B CN 111119582B
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- locking
- lock
- linkage
- bracket
- block
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/10—Bolts of locks or night latches
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Abstract
The invention discloses a three-point cabin door lock mechanism which mainly comprises a first locking module, a second locking module and a third locking module which are arranged on a door plate. The first locking module is connected with the second locking module and the third locking module respectively so as to drive the second locking module and the third locking module to lock or unlock simultaneously. When the inner side is opened, the inner handle is pulled up and drives the linkage shifting plate to rotate anticlockwise, at the moment, the linkage shifting plate simultaneously drives the second to fourth linkage ends to rotate, so that the lock tongue moves upwards to unlock, the second rotating arms on two sides drive the second locking blocks to rotate, and the rotating blocks drive the lock catches to rotate under the action of the second springs, so that unlocking of the locking modules on two sides is realized; when the outer side is opened, the outer handle is pulled up to drive the first rotating arm to rotate, and meanwhile, the lock tongue is driven to move upwards to unlock, at the moment, the lock tongue protruding block is used as a driving arm to drive the linkage shifting plate to rotate, so that the inhaul cables at the second and third linkage ends are tensioned, and the second rotating arm is driven to rotate to unlock.
Description
Technical Field
The invention relates to the field of aviation door locks, in particular to a three-point cabin door lock mechanism used in the aviation field.
Background
Currently, the forms of door locking mechanisms are generally two types: (1) The software logic control mode is that after the software logic calculation, multiple signals (for example, two signals) are combined to output one signal, so that the software logic control mode has the advantages of simple structure and light weight, but compared with a mechanical structure, the software logic control mode has poor reliability, and compared with the mechanical structure, the execution condition of corresponding actions of the two signals can be detected, and the software logic control mode can only execute detection on the execution action of a single signal. (2) The mechanical locking mechanism is usually in the form of two sets of locking mechanisms for directly locking the key shaft, and the key shaft is usually locked by matching pins with shaft holes formed on the key shaft. The form has the advantages of accurately detecting and grasping the execution condition of the key shaft and high reliability. However, the tolerance requirements for the positions and the rotation angles of the pin and the hole arranged on the key shaft are strict, and the assembly is more time-consuming and more difficult. Therefore, the cabin door locking mechanism with simple structure and high reliability can be designed, and the technical problem to be solved is urgent.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a three-point cabin door lock mechanism used in the aviation field.
The aim of the invention is achieved by the following technical scheme:
The three-point cabin door lock mechanism comprises a cabin door plate, wherein the door lock mechanism mainly comprises a first locking module, a second locking module and a third locking module which are arranged on the door plate. An inner cavity for installing a door lock mechanism is arranged in the door plate. The inner cavity is positioned at the bottom of the door plate and at the left side and the right side of the door plate. The first locking module is arranged on the inner cavity at the bottom, and the second locking module and the third locking module adopt the same structural design and are respectively arranged on the inner cavities at the left side and the right side of the door plate. The first locking module is connected with the second locking module and the third locking module respectively so as to drive the second locking module and the third locking module to lock or unlock simultaneously.
Specifically, the first locking module mainly comprises an outer handle seat, an outer handle, a first rotating arm, a lock tongue protruding block, a first spring, a rotating shaft, a locking machine support, a linkage module and a locking module. The outer handle seat is embedded into the door plate from the outer side, a plurality of connecting columns are arranged on the outer handle seat, one end of each connecting column is fixedly connected with the outer handle seat, and the other end of each connecting column props against the locking machine support and fixes the outer handle seat and the locking machine support in the door plate through screws. The linkage module is arranged on the inward side of the locking bracket and is respectively connected with the second locking module, the third locking module and the bolt convex block. The rotating shaft is sequentially connected with the linkage module, the locking machine support and the outer handle seat. One end of the locking module is arranged on the outer handle seat, and the other end of the locking module is connected with the bolt convex block to realize locking or unlocking operation of the bolt.
Specifically, the lock machine support is provided with a first bending and a second bending for guiding the lock tongue to move up and down towards one outer side. The first bending is positioned at the top of the locking machine bracket, and a first guide hole is formed in the first bending. The second bending is positioned at the bottom of the locking machine bracket, and a second guide hole is formed in the second bending. The lock tongue is vertically arranged on one side of the locking machine bracket, which faces outwards, and the top and the bottom of the lock tongue are respectively inserted into the first guide hole and the second guide hole. The first spring is sleeved on the lock tongue, the top of the first spring props against the first bending, and the bottom of the first spring downwards presses the lock tongue. The lock tongue lug is arranged on the lock tongue and fixedly connected with the lock tongue, and the protruding end of the lock tongue lug penetrates through the lock machine bracket and then is connected with the linkage module. The first rotating arm is arranged on the outer handle seat and hinged with the outer handle seat, one end of the first rotating arm is hinged with the outer handle, and the other end of the first rotating arm is connected with the lock tongue and drives the lock tongue to move up and down to unlock or unlock.
Specifically, the linkage module mainly comprises an inner handle and a linkage shifting plate. The inner handle is arranged at the top of the locking bracket and is hinged with the locking bracket; the linkage shifting plate is arranged on the rotating shaft and can rotate around the rotating shaft, and a first linkage end, a second linkage end, a third linkage end and a fourth linkage end are arranged on the linkage shifting plate. The first linkage end is positioned at the bottom of the inner handle, is abutted with the inner handle, and is driven to rotate by the inner handle. The second linkage end is connected with the second locking module, and the third linkage end is connected with the third locking module. The fourth linkage end is provided with a strip hole, and the protruding end of the bolt protruding block is inserted into the strip hole to realize transmission connection with the linkage shifting plate.
Further, the linkage shifting plate is also provided with a roller and a rolling shaft for improving smoothness of the linkage shifting plate driven by the inner handle. The roller is arranged on the first linkage end and penetrates through the linkage shifting plate. The rollers are respectively arranged at two ends of the roller, and the wheel surface of the rollers is abutted with the bottom of the inner handle.
Furthermore, the linkage shifting plate is also provided with a nylon buckle for connecting the second locking module and the third locking module. The nylon buckles are respectively and fixedly arranged on the second linkage end and the third linkage end of the linkage shifting plate.
Specifically, the locking module mainly comprises a lock cylinder assembly, a first locking block, a poking rod and a lock tail. One end of the lock core component is arranged on the outer handle seat and fixedly connected with the outer handle seat, and the other end of the lock core component is connected with one end of the lock tail and drives the lock tail to rotate. One end of the poking rod is fixedly connected with the other end of the lock tail, and the other end of the poking rod penetrates through the lock machine support and then is connected with one end of the first locking block to drive the first locking block to move left and right. The first locking block is arranged on the rotating shaft, is positioned on one inward side of the locking machine support, can radially move on the rotating shaft, extends to the lock tongue protruding block at the other end of the first locking block, and is also provided with a first protrusion for limiting the lock tongue protruding block to unlock upwards at the end of the first locking block.
As a preferable mode of the invention, the first linkage end and the fourth linkage end are positioned at the left side and the right side of the rotating shaft, and the second linkage end and the third linkage end are positioned at the upper side and the lower side of the rotating shaft.
Specifically, the second locking module and the third locking module adopt the same structural design, and mainly comprise a guy cable, a first bracket, a second rotating arm, a second locking block, a second spring, a rotating block, a lock catch and a lock rod. The lock rod is arranged on the door frame. The first support is arranged on the inner cavities at the left side and the right side of the door plate and is fixedly connected with the door plate. The second bracket is arranged on the first bracket and is fixedly connected with the first bracket. The second rotating arm is arranged on the second support, is hinged with the second support, one end of the second rotating arm is connected with one end of the inhaul cable, and the other end of the second rotating arm is abutted with the second locking block and can drive the second locking block to rotate. The other end of the inhaul cable is connected with the first locking module; the second locking block is arranged on the second bracket, is positioned below the rotating block, is hinged with the second bracket and is perpendicular to the second rotating arm, and a second bulge for limiting the rotating block to rotate is arranged on the second locking block. The lock catch is arranged at the outer side of the door plate, one end of the lock catch penetrates through the first bracket and the second bracket and then is fixedly connected with the rotating block, and the other end of the lock catch vertically extends downwards to the lock rod and is connected with the lock rod in a buckling mode. And a third bulge matched with the second bulge is arranged at the bottom of the rotating block. One end of the second spring is connected with the rotating block, and the other end of the second spring is connected with the second locking block, so that the second bulge and the third bulge are kept in a clamping state.
As a preferable mode of the present invention, the first rotating arm is an L-shaped rotating arm.
As a preferable scheme of the invention, in order to facilitate assembly and avoid interference among components and influence on installation precision, the locking machine bracket adopts a sectional structural design and consists of a main locking machine bracket and an auxiliary locking machine bracket. The main locking machine support is connected with the auxiliary locking machine support through screws and is fixedly connected with the outer handle seat and the door plate respectively.
As a preferable scheme of the invention, in order to facilitate the installation and the disassembly of the first rotating arm, the connecting column adopts a two-section structural design and is fixedly connected with the locking machine bracket and the door plate through long bolts. The cut connecting column can avoid interference with the locking bracket when the first rotating arm is installed, so that workers can install the locking bracket quickly.
As a preferable embodiment of the present invention, the second rotating arm is an L-shaped rotating arm.
The working process and principle of the invention are as follows: when the inner side of the cabin is opened, the inner handle is pulled up first, the linkage shifting plate is driven to rotate anticlockwise, at the moment, the linkage shifting plate simultaneously drives the second to fourth linkage ends to rotate, so that the lock tongue moves upwards to unlock, the second rotating arms on two sides drive the second locking blocks to rotate, the rotating blocks drive the lock catches to rotate under the action of the second springs, and therefore unlocking of the locking modules on two sides is achieved; when the outer handle is opened from the outer side of the engine room, the outer handle is pulled up and drives the first rotating arm to rotate, and meanwhile, the lock tongue is driven to move upwards to unlock, at the moment, the lock tongue protruding block is used as a driving arm to drive the linkage shifting plate to rotate, so that the inhaul cables at the second and third linkage ends are tensioned, and the second rotating arm is driven to rotate to unlock; when locking, insert the lock core subassembly with the key in, clockwise or anticlockwise rotation and drive lock tail and poking rod, poking rod carry first locking piece to spring bolt one side removal for first protruding card is on the spring bolt lug, thereby locks dead spring bolt and linkage poking plate, realizes the locking operation of hatch door. The invention also has the advantages of simple structure, convenient operation and easy implementation.
Compared with the prior art, the invention has the following advantages:
(1) The three-point cabin door lock mechanism provided by the invention adopts a mechanical lock structure, and the cabin door and the door frame are matched, aligned, locked and positioned by utilizing a lock mechanism formed by a mechanical principle, so that the locking mechanism is very flexible and is very convenient to install.
(2) The three-point cabin door lock mechanism provided by the invention adopts a key to lock and prevent theft/unlock, and can easily contact, lock and position by pulling the inner and outer handles by applying external force, so that the inner and outer door locks can be opened.
(3) The three-point cabin door lock mechanism provided by the invention adopts the structural design that each set of lock has three locking points, and changes the traditional single-point locking or two-point locking mode, so that the locking effect is safer and more reliable.
Drawings
Fig. 1 is a schematic structural view of a three-point cabin door lock mechanism provided by the present invention.
Fig. 2 is a schematic structural diagram of the outer handle seat and the latch according to the present invention.
Fig. 3 is a cross-sectional view taken along A-A of fig. 2.
Fig. 4 is a schematic structural view of the lock bracket provided by the invention.
Fig. 5 is a front view of the lock bracket provided by the invention.
Fig. 6 is a front view of a first locking module provided by the present invention.
Fig. 7 is a top view of a first locking module provided by the present invention.
Fig. 8 is a schematic structural diagram of a linkage module according to the present invention.
Fig. 9 is a front view of a linkage module provided by the present invention.
Fig. 10 is a front view of a locking module provided by the present invention.
Fig. 11 is a schematic structural view of a locking module according to the present invention.
Fig. 12 is a front view of a third locking module provided by the present invention.
Fig. 13 is a schematic structural view of a third locking module provided by the present invention.
Fig. 14 is a view showing a state in which the door lock mechanism according to the present invention is mounted on a door of a cabin.
The reference numerals in the above figures illustrate:
The door lock comprises a door plate, a first locking module, a second locking module, a third locking module, a 5-outer handle seat, a first rotating arm, a 7-lock tongue, a lock tongue protrusion, a 9-rotating shaft, a 10-locking bracket, a 11-connecting column, a first bending, a second bending, a 14-inner handle, a 15-linkage shifting plate, a 16-strip hole, a 17-roller, a 18-roller, a 19-nylon button, a 20-lock cylinder assembly, a 21-first locking block, a 22-toggle rod, a 23-lock tail, a 24-first protrusion, a 25-cable, a 26-first bracket, a 27-second bracket, a 28-second rotating arm, a 29-second locking block, a 30-rotating block, a 31-lock catch, a 32-lock rod, a 33-second protrusion and a 34-third protrusion.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear and clear, the present invention will be further described below with reference to the accompanying drawings and examples.
Example 1:
As shown in fig. 1 and 14, the present embodiment discloses a three-point cabin door lock mechanism including a cabin door panel 1, wherein the door lock mechanism mainly includes a first locking module 2, a second locking module 3, and a third locking module mounted on the door panel 1. An inner cavity for installing a door lock mechanism is arranged in the door plate 1. The inner cavity is positioned at the bottom of the door plate 1 and at the left side and the right side of the door plate 1. The first locking module 2 is installed on the bottom inner cavity, and the second locking module 3 and the third locking module 4 adopt the same structural design and are respectively installed on the inner cavities on the left side and the right side of the door plate 1. The first locking module 2 is respectively connected with the second locking module 3 and the third locking module 4 so as to drive the second locking module 3 and the third locking module 4 to lock or unlock simultaneously.
Specifically, as shown in fig. 2 and 3, the first locking module 2 mainly includes an outer handle seat 5, an outer handle, a first rotating arm 6, a lock tongue 7, a lock tongue protrusion 8, a first spring, a rotating shaft 9, a locking bracket 10, a linkage module, and a locking module. The outer handle seat 5 is embedded into the door plate 1 from the outer side, a plurality of connecting columns 11 are arranged on the outer handle seat, one end of each connecting column 11 is fixedly connected with the outer handle seat 5, the other end of each connecting column abuts against the corresponding locking machine support 10, and the outer handle seat 5 and the locking machine support 10 are fixed in the door plate 1 through screws. The linkage module is arranged on the inward side of the locking bracket 10 and is respectively connected with the second locking module 3, the third locking module 4 and the lock tongue protruding block 8. The rotating shaft 9 is sequentially connected with the linkage module, the locking bracket 10 and the outer handle seat 5. One end of the locking module is arranged on the outer handle seat 5, and the other end of the locking module is connected with the lock tongue convex block 8 to realize locking or unlocking operation of the lock tongue 7.
Specifically, as shown in fig. 4 and 5, a first fold 12 and a second fold 13 for guiding the locking bolt 7 to move up and down are provided on the outward side of the locking bracket 10. The first bending 12 is positioned at the top of the locking bracket 10, and is provided with a first guide hole. The second bending 13 is positioned at the bottom of the locking bracket 10, and a second guide hole is arranged on the second bending. The lock tongue 7 is vertically installed at one side of the locking bracket 10 facing outwards, and the top and the bottom of the lock tongue are respectively inserted into the first guide hole and the second guide hole. The first spring is sleeved on the lock tongue 7, the top of the first spring props against the first bending 12, and the bottom of the first spring presses the lock tongue 7 downwards. The lock tongue protruding block 8 is arranged on the lock tongue 7 and fixedly connected with the lock tongue 7, and the protruding end of the lock tongue protruding block passes through the lock machine support 10 and then is connected with the linkage module. The first rotating arm 6 is arranged on the outer handle seat 5 and hinged with the outer handle seat 5, one end of the first rotating arm is hinged with the outer handle, and the other end of the first rotating arm is connected with the lock tongue 7 and drives the lock tongue 7 to move up and down to unlock or unlock.
Specifically, as shown in fig. 6 to 9, the linkage module mainly includes an inner handle 14 and a linkage pulling plate 15. The inner handle 14 is arranged at the top of the locking bracket 10 and is hinged with the locking bracket 10; the linkage shifting plate 15 is arranged on the rotating shaft 9 and can rotate around the rotating shaft 9, and a first linkage end, a second linkage end, a third linkage end and a fourth linkage end are arranged on the linkage shifting plate. The first linkage end is positioned at the bottom of the inner handle 14, is abutted against the inner handle 14, and is driven to rotate by the inner handle 14. The second linkage end is connected with the second locking module 3, and the third linkage end is connected with the third locking module 4. The fourth linkage end is provided with a strip hole 16, and the protruding end of the lock tongue protruding block 8 is inserted into the strip hole 16 to realize transmission connection with the linkage shifting plate 15.
Further, the linkage shifting plate 15 is further provided with a roller 17 and a roller 18 for improving smoothness of the inner handle 14 driving the linkage shifting plate 15. The roller 18 is disposed on the first link end and passes through the link toggle plate 15. The rollers 17 are respectively arranged at two ends of the roller 18, and the wheel surface of the rollers is abutted against the bottom of the inner handle 14.
Furthermore, the linkage shifting plate 15 is also provided with a nylon buckle 19 for connecting the second locking module 3 and the third locking module 4. The nylon buckles 19 are respectively and fixedly arranged on the second linkage end and the third linkage end of the linkage shifting plate 15.
Specifically, as shown in fig. 10 and 11, the locking module mainly includes a cylinder assembly 20, a first lock block 21, a tap lever 22, and a lock tail 23. One end of the lock cylinder assembly 20 is arranged on the outer handle seat 5 and is fixedly connected with the outer handle seat 5, and the other end of the lock cylinder assembly is connected with one end of the lock tail 23 and drives the lock tail 23 to rotate. One end of the poking rod 22 is fixedly connected with the other end of the lock tail 23, and the other end of the poking rod passes through the locking machine bracket 10 and then is connected with one end of the first locking block 21 and drives the first locking block 21 to move left and right. The first locking block 21 is disposed on the rotating shaft 9, is located on one side of the locking bracket 10 facing inwards, and can move radially on the rotating shaft 9, the other end of the first locking block extends to the position of the locking bolt protruding block 8, and the end of the first locking block is further provided with a first protrusion 24 for limiting the locking bolt protruding block 8 to unlock upwards.
As a preferable mode of the present invention, the first and fourth link ends are located at left and right sides of the rotation shaft 9, and the second and third link ends are located at upper and lower sides of the rotation shaft 9.
Specifically, as shown in fig. 12 and 13, the second locking module 3 and the third locking module 4 adopt the same structural design, and mainly include a cable 25, a first bracket 26, a second bracket 27, a second rotating arm 28, a second locking block 29, a second spring, a rotating block 30, a lock catch 31, and a lock lever 32. The lock lever 32 is provided on the door frame. The first brackets 26 are installed on the inner cavities on the left side and the right side of the door plate 1 and are fixedly connected with the door plate 1. The second bracket 27 is mounted on the first bracket 26 and is fixedly connected with the first bracket 26. The second rotating arm 28 is mounted on the second bracket 27 and hinged to the second bracket 27, one end of the second rotating arm is connected with one end of the guy cable 25, and the other end of the second rotating arm is abutted against the second locking block 29 and can drive the second locking block 29 to rotate. The other end of the inhaul cable 25 is connected with the first locking module 2; the second locking block 29 is mounted on the second bracket 27 below the rotating block 30, hinged to the second bracket 27 and perpendicular to the second rotating arm 28, and provided with a second protrusion 33 for restricting the rotation of the rotating block 30. The lock catch 31 is disposed at an outer side of the door panel 1, one end of the lock catch passes through the first bracket 26 and the second bracket 27 and is fixedly connected with the rotating block 30, and the other end of the lock catch extends vertically downwards to the lock rod 32 and is in snap connection with the lock rod 32. The bottom of the rotating block 30 is provided with a third protrusion 34 which is matched with the second protrusion 33. One end of the second spring is connected with the rotating block 30, and the other end of the second spring is connected with the second locking block 29, so that the second protrusion 33 and the third protrusion 34 are kept in a clamping state.
As a preferred embodiment of the present invention, the first rotating arm 6 is an L-shaped rotating arm.
As a preferred scheme of the invention, in order to facilitate assembly and avoid interference among components and influence on installation accuracy, the locking machine support 10 adopts a sectional structural design and is composed of a main locking machine support and an auxiliary locking machine support. The main locking machine support is connected with the auxiliary locking machine support through screws and is fixedly connected with the outer handle seat 5 and the door plate 1 respectively.
As a preferred scheme of the invention, in order to facilitate the installation and the disassembly of the first rotating arm 6, the connecting column 11 adopts a two-section structural design and is fixedly connected with the locking bracket 10 and the door plate 1 through long bolts. The cut-off connecting post 11 can avoid interference with the locking bracket 10 when the first rotating arm 6 is installed, so that a worker can install the locking bracket quickly.
As a preferred embodiment of the present invention, the second rotating arm 28 is an L-shaped rotating arm.
The working process and principle of the invention are as follows: when the inner side of the cabin is opened, the inner handle 14 is pulled up first, the linkage shifting plate 15 is driven to rotate anticlockwise, at the moment, the linkage shifting plate 15 simultaneously drives the second to fourth linkage ends to rotate, so that the lock tongue 7 moves upwards to unlock, the second rotating arms 28 on two sides drive the second locking blocks 29 to rotate, and the rotating blocks 30 rotate with the lock catches 31 under the action of the second springs, so that unlocking of the locking modules on two sides is realized; when the outer handle is opened from the outer side of the cabin, the outer handle is pulled up and drives the first rotating arm 6 to rotate, and meanwhile, the lock tongue 7 is driven to move upwards to unlock, at the moment, the lock tongue protruding block 8 is used as a driving arm to drive the linkage shifting plate 15 to rotate, so that the inhaul cables 25 at the second and third linkage ends are tensioned, and the second rotating arm 28 is driven to rotate to unlock; when locking, insert the key in the lock core subassembly 20, clockwise or anticlockwise rotation and drive lock tail 23 and poking rod 22, poking rod 22 carries first locking piece 21 to the latch bolt 7 side removal for first protruding 24 card is on the latch bolt lug 8, thereby locks dead latch bolt 7 and linkage poking plate 15, realizes the locking operation of hatch door. The invention also has the advantages of simple structure, convenient operation and easy implementation.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (8)
1. The three-point cabin door lock mechanism comprises a cabin door plate and is characterized by comprising a first locking module, a second locking module and a third locking module which are arranged on the door plate; an inner cavity for installing a door lock mechanism is arranged in the door plate; the inner cavity is positioned at the bottom of the door plate and at the left side and the right side of the door plate; the first locking module is arranged on the inner cavity at the bottom, and the second locking module and the third locking module are of the same structural design and are respectively arranged on the inner cavities at the left side and the right side of the door plate; the first locking module is respectively connected with the second locking module and the third locking module so as to drive the second locking module and the third locking module to lock or unlock simultaneously;
The first locking module comprises an outer handle seat, an outer handle, a first rotating arm, a lock tongue protruding block, a first spring, a rotating shaft, a locking machine bracket, a linkage module and a locking module; the outer handle seat is embedded into the door plate from the outer side, a plurality of connecting columns are arranged on the outer handle seat, one end of each connecting column is fixedly connected with the outer handle seat, and the other end of each connecting column props against the locking machine support and fixes the outer handle seat and the locking machine support in the door plate through screws; the linkage module is arranged on the inward side of the locking bracket and is respectively connected with the second locking module, the third locking module and the bolt convex block; the rotating shaft is sequentially connected with the linkage module, the locking machine bracket and the outer handle seat; one end of the locking module is arranged on the outer handle seat, and the other end of the locking module is connected with the bolt convex block to realize locking or unlocking operation of the bolt;
A first bending and a second bending for guiding the lock tongue to move up and down are arranged on the outward side of the locking bracket; the first bending is positioned at the top of the locking machine bracket, and a first guide hole is formed in the first bending; the second bending is positioned at the bottom of the locking machine bracket, and a second guide hole is formed in the second bending; the lock tongue is vertically arranged on one side of the locking machine bracket, which faces outwards, and the top and the bottom of the lock tongue are respectively inserted into the first guide hole and the second guide hole; the first spring is sleeved on the lock tongue, the top of the first spring props against the first bending, and the bottom of the first spring presses the lock tongue downwards; the lock tongue protruding block is arranged on the lock tongue and fixedly connected with the lock tongue, and the protruding end of the lock tongue protruding block penetrates through the lock machine bracket and then is connected with the linkage module; the first rotating arm is arranged on the outer handle seat and hinged with the outer handle seat, one end of the first rotating arm is hinged with the outer handle, and the other end of the first rotating arm is connected with the lock tongue and drives the lock tongue to move up and down to unlock or unlock;
the second locking module and the third locking module adopt the same structural design and comprise a guy cable, a first bracket, a second rotating arm, a second locking block, a second spring, a rotating block, a lock catch and a lock rod; the lock rod is arranged on the door frame; the first brackets are arranged on inner cavities at the left side and the right side of the door plate and fixedly connected with the door plate; the second bracket is arranged on the first bracket and is fixedly connected with the first bracket; the second rotating arm is arranged on the second bracket, is hinged with the second bracket, one end of the second rotating arm is connected with one end of the inhaul cable, and the other end of the second rotating arm is abutted with the second locking block and can drive the second locking block to rotate; the other end of the inhaul cable is connected with the first locking module; the second locking block is arranged on the second bracket, is positioned below the rotating block, is hinged with the second bracket and is perpendicular to the second rotating arm, and a second bulge for limiting the rotation of the rotating block is arranged on the second locking block; the lock catch is arranged at the outer side of the door plate, one end of the lock catch penetrates through the first bracket and the second bracket and is fixedly connected with the rotating block, and the other end of the lock catch vertically extends downwards to the lock rod and is in buckling connection with the lock rod; the bottom of the rotating block is provided with a third bulge matched with the second bulge; one end of the second spring is connected with the rotating block, and the other end of the second spring is connected with the second locking block, so that the second bulge and the third bulge are kept in a clamping state.
2. The three-point cabin door lock mechanism of claim 1, wherein the linkage module comprises an inner handle and a linkage toggle plate; the inner handle is arranged at the top of the locking bracket and is hinged with the locking bracket; the linkage shifting plate is arranged on the rotating shaft and can rotate around the rotating shaft, and a first linkage end, a second linkage end, a third linkage end and a fourth linkage end are arranged on the linkage shifting plate; the first linkage end is positioned at the bottom of the inner handle, is abutted with the inner handle, and is driven to rotate by the inner handle; the second linkage end is connected with the second locking module, and the third linkage end is connected with the third locking module; the fourth linkage end is provided with a strip hole, and the protruding end of the bolt protruding block is inserted into the strip hole to realize transmission connection with the linkage shifting plate.
3. The three-point cabin door lock mechanism according to claim 2, wherein the linkage poking plate is further provided with a roller and a rolling shaft for improving smoothness of the inner handle driving the linkage poking plate; the rolling shaft is arranged on the first linkage end and penetrates through the linkage shifting plate; the rollers are respectively arranged at two ends of the roller, and the wheel surface of the rollers is abutted with the bottom of the inner handle.
4. The three-point cabin door lock mechanism according to claim 2, wherein the linkage poking plate is further provided with nylon buckles for connecting the second locking module and the third locking module, and the nylon buckles are fixedly installed on the second linkage end and the third linkage end of the linkage poking plate respectively.
5. The three-point cabin door lock mechanism of claim 1, wherein the locking module comprises a lock cylinder assembly, a first lock block, a tap lever, and a lock tail; one end of the lock core component is arranged on the outer handle seat and is fixedly connected with the outer handle seat, and the other end of the lock core component is connected with one end of the lock tail and drives the lock tail to rotate; one end of the poking rod is fixedly connected with the other end of the lock tail, and the other end of the poking rod penetrates through the lock machine bracket and then is connected with one end of the first locking block and drives the first locking block to move left and right; the first locking block is arranged on the rotating shaft, is positioned on one inward side of the locking machine support, can radially move on the rotating shaft, extends to the lock tongue protruding block at the other end of the first locking block, and is also provided with a first protrusion for limiting the lock tongue protruding block to unlock upwards at the end of the first locking block.
6. The three-point cabin door lock mechanism according to claim 2, wherein the first and fourth link ends are located on both left and right sides of the rotating shaft, and the second and third link ends are located on both upper and lower sides of the rotating shaft.
7. The three-point cabin door lock mechanism according to claim 1, wherein the first swivel arm is an L-shaped swivel arm.
8. The three-point cabin door lock mechanism according to claim 1, wherein the locking bracket adopts a sectional structure design and consists of a main locking bracket and an auxiliary locking bracket, and the main locking bracket and the auxiliary locking bracket are connected through screws and are fixedly connected with the outer handle seat and the door plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911420660.4A CN111119582B (en) | 2019-12-31 | 2019-12-31 | Three-point cabin door lock mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911420660.4A CN111119582B (en) | 2019-12-31 | 2019-12-31 | Three-point cabin door lock mechanism |
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| Publication Number | Publication Date |
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| CN111119582A CN111119582A (en) | 2020-05-08 |
| CN111119582B true CN111119582B (en) | 2024-08-30 |
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| CN201911420660.4A Active CN111119582B (en) | 2019-12-31 | 2019-12-31 | Three-point cabin door lock mechanism |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119195589B (en) * | 2024-11-25 | 2025-03-14 | 四川沃飞长空科技发展有限公司 | Cabin door locking structure and aircraft |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201521161U (en) * | 2009-10-19 | 2010-07-07 | 唐君荣 | Safe-guard door lock |
| CN211736713U (en) * | 2019-12-31 | 2020-10-23 | 佛山佐尔汽车部件有限公司 | Three-point type cabin door lock mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3966505B2 (en) * | 2002-07-11 | 2007-08-29 | 新キャタピラー三菱株式会社 | Door unlocking device in construction machinery |
| TW525683U (en) * | 2002-07-16 | 2003-03-21 | Jin-Hua Fan | A three-dimensional and three-sectional anti-thieving and fire-retarding urgent lock |
| CN2700475Y (en) * | 2004-06-02 | 2005-05-18 | 黄湘炼 | Door lock opening and closing mechanism |
| DE102008039509B4 (en) * | 2008-08-23 | 2014-01-23 | Krauss-Maffei Wegmann Gmbh & Co. Kg | Vehicle door for armored vehicles with a mine protection bar |
| KR20120094808A (en) * | 2011-02-17 | 2012-08-27 | 노틸러스효성 주식회사 | Door locking apparatus of automated teller machine |
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2019
- 2019-12-31 CN CN201911420660.4A patent/CN111119582B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201521161U (en) * | 2009-10-19 | 2010-07-07 | 唐君荣 | Safe-guard door lock |
| CN211736713U (en) * | 2019-12-31 | 2020-10-23 | 佛山佐尔汽车部件有限公司 | Three-point type cabin door lock mechanism |
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| CN111119582A (en) | 2020-05-08 |
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