CN215479093U

CN215479093U - Elevator external-support door lock structure

Info

Publication number: CN215479093U
Application number: CN202121646161.XU
Authority: CN
Inventors: 邬小浪
Original assignee: Flying Technology Co ltd
Current assignee: Flying Technology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2022-01-11
Anticipated expiration: 2031-07-19

Abstract

The utility model provides an elevator external-support door lock structure which comprises a door knife bottom plate, a door knife arm assembly, a lock hook, a connecting rod assembly, a lock hook connecting rod, a starting block, a verification switch and an oscillating rod assembly, wherein the starting block is used for driving the door knife arm assembly to expand outwards through the connecting rod assembly, so that the lock hook connecting rod drives a hook end of the lock hook to rotate upwards through the connecting rod assembly and drives a switch contact to be separated from a switch socket. When the oscillating bar component moves on the starting block, the starting block is used for driving the door knife arm component to be tightened inwards through the connecting rod component, so that the hook end of the lock hook rotates downwards along with gravity, and the switch contact is driven to contact the switch socket. Compared with the prior art, the mechanical part and the electrical part of the elevator door lock can be verified simultaneously, the reliability of the elevator door lock can be improved, the impact of a locking hook on a switch is reduced, the switch door of an elevator is simpler, more reliable and safer through a linkage structure, the manufacturing and assembling process is simpler, the production cost is lower, and the elevator door lock is suitable for large-batch standardized production.

Description

Elevator external-support door lock structure

Technical Field

The utility model relates to an elevator accessory, in particular to an elevator external support door lock structure.

Background

Nowadays, the elevator is taken as the most frequently used vertical transportation tool for modern people, so that the elevator not only solves the daily life requirements of people, but also plays an important role in promoting the development of human society, and the safety of the elevator has direct influence on our life and production.

At present among traditional elevator external stay door lock structure, most sedan-chair door lock mechanical part and electric part are the detached action, the security of elevator sedan-chair door lock is guaranteed by machinery and electric two parts, mechanical part realizes that the door system is opened the door and is corresponding, electric part mainly realizes the control in lock return circuit, the sedan-chair door lock that sets up according to this kind of conventional mode, not only need increase extra additional installation, it is complicated to make sedan-chair door lock structure, the cost of the increase maintenance degree of difficulty and elevator, and mechanical and electric security can not guarantee simultaneously, sedan-chair door lock reliability has been reduced, be difficult to avoid the emergence of accident.

When the door was opened to the elevator under the multiple condition, specifically, when the car was in the switch door when the region of unblanking and the switch door when the region was unblanked to the non-, traditional elevator sedan-chair lock need realize through different modules, and the structure is complicated, and is with high costs, has reduced the security of elevator.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an elevator outer support door lock structure, which has the following specific technical scheme:

an elevator outrigger door lock structure comprising:

the door knife assembly, the lock hook, the starting block and the swing rod assembly are movably arranged on the door knife base plate, the swing rod assembly is clamped with the starting block, one end of the connecting rod assembly is connected with the starting block, the other end of the connecting rod assembly is connected with the door knife assembly, and the lock hook connecting rod is arranged on the lock hook and is rotatably connected with the connecting rod assembly;

the verification switch comprises a switch contact and a switch socket, the switch contact is arranged on the lock hook, the switch socket is arranged on an external base positioned below the lock hook, and the lock hook comprises a hook end with a tip portion facing downwards and a tail end which is rotatably connected to the bottom plate of the door knife;

the starting block is used for driving the door knife arm assembly to expand outwards through the connecting rod assembly, so that the latch hook connecting rod drives the hook end of the latch hook to rotate upwards through the connecting rod assembly, and drives the switch contact to be separated from the switch socket, and unlocking is realized;

when the oscillating bar component moves on the starting block, the starting block is used for driving the door knife arm component to be tightened inwards through the connecting rod component, so that the hook end of the lock hook rotates downwards along with gravity, and the switch contact is driven to contact the switch socket, and locking is achieved.

In a specific embodiment, the connecting rod assembly includes a first connecting rod, a second connecting rod and a rotating member, and the first end of the first connecting rod, the first end of the second connecting rod and the locking hook connecting rod are coaxially sleeved on the rotating member;

the second end of the first connecting rod is rotatably connected with the starting block, and the second end of the second connecting rod is rotatably connected with the door knife arm component, so that the starting block can drive the door knife arm component to be outwards opened or inwards tightened through the first connecting rod and the second connecting rod, and the locking hook is driven by the locking hook connecting rod to rotate.

In a specific embodiment, the swing link assembly comprises a swing link and a swing link spring, the swing link is rotatably arranged on the door knife base plate and is elastically connected to the door knife base plate through the swing link spring, one end of the swing link is provided with a limit bearing, and the other end of the swing link is provided with a rolling bearing;

the limiting bearing is used for clamping the starting block, and the rolling bearing is used for contacting a curve plate on an outer door machine bottom plate to enable the swing rod to rotate and drive the limiting bearing to move on the starting block; the rolling bearing is also used for moving downwards through the swing rod spring to be separated from the curve plate, so that the swing rod rotates and drives the limiting bearing to be clamped with the starting block.

In a specific embodiment, the starting block comprises a limiting groove, and the limiting groove is used for accommodating a limiting bearing on the swing rod to limit the swing rod.

In a particular embodiment, further comprising a resilient component;

the elastic component is arranged on the door vane bottom plate, is elastically connected to the starting block and is used for providing elastic force for the starting block, so that the starting block can keep being stressed towards the door opening direction.

In a specific embodiment, the elastic component comprises a starting block tension spring and a supporting column;

one end of the tension spring of the starting block is fixedly connected with the door knife bottom plate through the supporting column, and the other end of the tension spring of the starting block is fixedly connected with the starting block through a limiting ring and used for providing elastic force for the starting block to drive the starting block to move along the end close to the supporting column.

In a specific embodiment, the door knife further comprises an emergency unlocking device, the emergency unlocking device comprises an emergency unlocking sheet and an emergency unlocking tension spring, the emergency unlocking sheet is movably arranged on the door knife bottom plate, one end of the emergency unlocking tension spring is elastically connected to the emergency unlocking sheet, and the other end of the emergency unlocking tension spring is connected to the door knife bottom plate;

an unlocking rod is arranged at one end of the emergency unlocking plate, a fixing part for fixing an external rescue rope is arranged at the other end of the emergency unlocking plate, so that the rescue rope can drive the emergency unlocking plate to move downwards, the unlocking rod can press down the tail end of the lock hook, and the emergency unlocking tension spring accumulates potential energy;

when the rescue rope is released, the emergency unlocking tension spring releases potential energy, so that the emergency unlocking piece moves upwards, and the unlocking rod is separated from the tail end of the locking hook.

Compared with the prior art, the utility model has the following beneficial effects:

the elevator external-support door lock structure provided by the utility model can ensure that the mechanical part is locked and the safety of an electric loop is verified simultaneously, so that the car door lock structure is simple, the installation and debugging are convenient, the maintenance difficulty and the cost of an elevator are reduced, the reliability and the safety of the car door lock are improved, the door opening and closing under various conditions is simpler, more reliable and safer through the linked door opening and closing mode, the manufacturing and assembling process is simpler, the production cost is lower, and the elevator external-support door lock structure is suitable for large-batch standardized production.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

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 front view of a first structure of an elevator outer support door lock structure in an embodiment;

fig. 2 is a rear view of a first structure of an elevator outer support door lock structure in the embodiment;

fig. 3 is a front view of a second structure of the elevator outer supporting door lock structure under the condition of normal door opening in the embodiment;

FIG. 4 is a front view of a third structure of an elevator external supporting door lock structure when a car of an unlocking area takes off a door in the embodiment;

fig. 5 is a front view of a fourth structure of the elevator external supporting door lock structure when the motor in the non-unlocking area mistakenly opens the door in the embodiment.

Description of the main element symbols:

1-a door vane bottom plate; 2-a gate knife arm assembly; 3-a latch hook; 4-a linkage assembly; 5-a latch hook connecting rod; 6-starting block; 7-a verification switch; 8-a swing link assembly; 9-a switch contact; 10-a switch socket; 11-a first link; 12-a second link; 13-a rotating member; 14-a swing rod; 15-a rocker spring; 16-a limiting groove; 18-starting block tension spring; 19-a support column; 20-limiting and slotting; 21-left gate knife arm; 22-right gate knife arm; 23-a first connection block; 24-a second connection block; 25-emergency unlocking sheet; 26-emergency unlocking tension spring; 27-an unlocking lever; 28-curve plate; 29-limit bearing; 30-rolling bearing.

Detailed Description

Examples

As shown in fig. 1 to 5, the present embodiment provides an elevator outrigger door lock structure, including:

door sword bottom plate 1, door sword arm subassembly 2, latch hook 3, link assembly 4, latch hook connecting rod 5, starting block 6, verify switch 7 and pendulum rod subassembly 8, door sword arm subassembly 2, latch hook 3, starting block 6 and pendulum rod subassembly 8 all movably set up on door sword bottom plate 1, starting block 6 can be rotatory around door sword bottom plate 1, pendulum rod subassembly 8 joint starting block 6, starting block 6 is connected to link assembly 4 one end, door sword arm subassembly 2 is connected to the other end, latch hook connecting rod 5 sets up on latch hook 3, and swivelling joint is in link assembly 4, specifically, latch hook connecting rod 5 is fixed to be set up on latch hook 3, pendulum rod subassembly 8 sets up the top at link assembly 4 and is located the left side of starting block 6 simultaneously, link assembly 4 is located the top of latch hook 3.

Specifically, the starting block 6, the latch hook 3, the latch hook connecting rod 5, the swing link assembly 8 and the following emergency unlocking device are all located on a first surface of the door vane base plate 1, the door vane arm assembly 2 is located on a second surface of the door vane base plate 1, and the latch hook connecting rod 5 is fixedly arranged on the latch hook 3. From the rear view of sedan-chair door lock, that is from the first face of door vane bottom plate 1, pendulum rod assembly 8 sets up in the upper left side of link assembly 4 and is located the left side of actuating block 6 simultaneously, and link assembly 4 is located the top of latch hook 3 and is located the left side of actuating block 6 simultaneously. In the present embodiment, all directions, such as up, down, left, and right, are viewed from the rear view of the car door lock, that is, from the first surface of the vane bottom plate 1.

Specifically, still including the actuating lever, actuating lever connects in the piece 6 that starts, and outside motor drive connects actuating lever, drives through actuating lever and starts 6 rotations of piece.

Verify switch 7 and include switch contact 9 and switch socket 10, switch contact 9 sets up on latch hook 3, and switch socket 10 sets up on the outside base that is located latch hook 3 below, and latch hook 3 includes that the point portion is towards the hook end of below and rotate and connect in the tail end of door sword bottom plate 1.

Specifically, the switch socket 10 includes a socket with an opening facing upward, and the switch contact 9 includes a pin facing downward and mating with the socket. The latch hook 3 can rotate around the door knife bottom plate 1, a limiting rubber (not shown in the figure) is fixed on the lower left side, the switch socket 10 is arranged on the door machine bottom plate, and the switch contact 9 is fixed at the hook end of the latch hook 3 and forms electrical interlocking with the switch socket 10 fixed on the door machine bottom plate. And because the whole focus of latch hook 3 is in the position of latch hook 3 hook end for under the free condition, latch hook 3 keeps the locking state constantly.

The starting block 6 is used for driving the door knife arm assembly 2 to expand outwards through the connecting rod assembly 4, the connecting rod assembly 4 drives the lock hook connecting rod 5 to swing, the lock hook connecting rod 5 drives the tail end of the lock hook 3 to rotate downwards, the hook end of the lock hook 3 rotates upwards, and the switch contact 9 and the switch socket 10 are driven to be separated, so that unlocking is achieved.

When the oscillating bar assembly 8 moves on the starting block 6, the starting block 6 is used for driving the door knife arm assembly 2 to be tightened inwards through the connecting rod assembly 4, so that the hook end of the lock hook 3 rotates downwards along with gravity, and the switch contact 9 is driven to contact the switch socket 10, and locking is achieved.

Because the switch contact 9 is fixedly arranged on the latch hook 3 by adopting rigid connection, the switch contact 9 can contact the switch socket 10 only when the latch hook 3 is closed; when the latch hook 3 is unlocked, the switch contact 9 must be separated from the switch socket 10. The rigid connection mode makes the action of the two parts more reliable and reasonable.

The elevator external-support door lock structure of the embodiment enables the mechanical part to be locked and the electrical loop to be simultaneously verified, so that the car door lock is simple in structure, convenient to install and debug, capable of reducing maintenance difficulty and elevator cost, and capable of improving reliability and safety of the car door lock, and the door opening and closing modes of multiple conditions are simpler, more reliable and safer through linkage.

In this embodiment, the link assembly 4 includes a first link 11, a second link 12 and a rotating member 13, and the first end of the first link 11, the first end of the second link 12 and the locking hook link 5 are coaxially sleeved on the rotating member 13. The second end of first connecting rod 11 rotates to be connected in starting block 6, and the second end of second connecting rod 12 rotates to be connected in door knife arm subassembly 2, makes starting block 6 can drive door knife arm subassembly 2 through first connecting rod 11 and second connecting rod 12 and outwards opens or inwards tightens up to drive latch hook 3 through latch hook connecting rod 5 and rotate.

Because the first connecting rod 11, the second connecting rod 12 and the lock hook connecting rod 5 are all sleeved on the rotating piece 13 through coaxial sleeves, the production cost of the car door lock is low, and the car door lock is suitable for mass standardized production.

Specifically, the starting block 6 is located on the first surface of the door knife bottom plate 1, the door knife arm assembly 2 is located on the second surface of the door knife bottom plate 1, the rotating part 13 penetrates through the door knife bottom plate 1, the first connecting rod 11 is located on the second surface of the door knife bottom plate 1 and is connected to the starting block 6 and the rotating part 13, the second connecting rod 12 is located on the first surface of the door knife bottom plate 1, and the second end of the second connecting rod 12 is rotatably connected to the door knife arm assembly 2. On the rotating part 13, the first end of the second connecting rod 12 is located between the first end of the first connecting rod 11 and the locking hook connecting rod 5, one end of the locking hook connecting rod 5 is fixedly arranged on the locking hook 3, and the other end is sleeved on the rotating part 13.

In this embodiment, the swing link assembly 8 includes a swing link 14 and a swing link spring 15, the swing link 14 is rotatably disposed on the door vane base plate 1, the swing link 14 is elastically connected to the door vane base plate 1 through the swing link spring 15, one end of the swing link 14 is provided with a limit bearing 29, and the other end is provided with a rolling bearing 30.

The limiting bearing 29 is used for clamping the starting block 6, and the rolling bearing 30 is used for contacting a curve plate 28 on the bottom plate of the external door machine to enable the swing rod 14 to rotate and drive the limiting bearing 29 to move on the starting block 6; the rolling bearing 30 is also used for moving downwards through the swing rod spring 15 to be separated from the curve plate 28, so that the swing rod 14 rotates and drives the limit bearing 29 to be clamped with the starting block 6. It should be noted that the limit bearing 29 is in contact with the actuating block 6 at all times.

In this embodiment, the starting block 6 includes a limiting groove 16, and the limiting groove 16 is used for accommodating a limiting bearing 29 on the swing link 14 to limit the swing link 14. The starting block 6 can rotate around the door vane bottom plate 1, the limiting groove 16 is located on the left side of the starting block 6, and the limiting groove 16 is preferably an arc groove. The starting block 6 further comprises a limiting curved surface, the limiting curved surface is located on the left side of the starting block 6 and communicated with the limiting groove 16, the limiting bearing 29 is constantly in contact with the limiting curved surface, and when the swing rod 14 is separated from the limiting groove 16, the swing rod 14 moves on the limiting curved surface of the starting block 6.

In this embodiment, the door vane further comprises an elastic component, wherein the elastic component is arranged on the door vane bottom plate 1, is elastically connected to the starting block 6, and is used for providing elastic force for the starting block 6, so that the starting block 6 can keep being stressed towards the door opening direction.

In this embodiment, elastic component includes starting block extension spring 18 and support column 19, and starting block extension spring 18's one end passes through support column 19 and door sword bottom plate 1 fixed connection, and the other end passes through spacing collar fixed connection in starting block 6 for provide elastic force to starting block 6, drive starting block 6 along the one end removal that is close to support column 19.

Specifically, the starting block 6 is arranged above the door knife bottom plate 1 and can swing left and right, the starting block 6 can swing left and right and is located above the door knife bottom plate 1, and specifically, the starting block 6 is provided with a left and right limiting slot 20. The starting block 6 is always kept stressed towards the door opening direction by the starting block tension spring 18, and the limiting ring is arranged on the starting block 6 and keeps the starting block 6 to always act in the limiting open slot 20 arranged at the upper end of the door knife bottom plate 1.

In this embodiment, still include emergency unlocking device, emergency unlocking device includes emergency unlocking piece 25 and emergency unlocking extension spring 26, and the movably setting of emergency unlocking piece 25 is on door sword bottom plate 1, and emergency unlocking extension spring 26's one end elastic connection is in emergency unlocking piece 25, and the other end is connected in door sword bottom plate 1.

One end of the emergency unlocking sheet 25 is provided with an unlocking rod 27, the other end of the emergency unlocking sheet is provided with a fixing part for fixing an external rescue rope, so that the rescue rope can drive the emergency unlocking sheet 25 to move downwards, the unlocking rod 27 can press the tail end of the lock hook 3 downwards, and the emergency unlocking tension spring 26 accumulates potential energy. When the rescue rope is released, the emergency unlocking tension spring 26 releases potential energy, so that the emergency unlocking sheet 25 moves upwards, and the unlocking rod 27 is separated from the tail end of the locking hook 3. Specifically, the emergency unlocking sheet 25 is vertically disposed on the door vane bottom plate 1, and a fixing portion for fixing an external rescue rope on the emergency unlocking sheet 25 may be a through hole or a pillar.

In this embodiment, door tool arm assembly 2 includes left door tool arm 21, right door tool arm 22, first connecting block 23 and second connecting block 24, and the articulated door tool bottom plate 1 in middle part of first connecting block 23, start block 6 and rotate through link assembly 4 and connect first connecting block 23 to drive first connecting block 23 and rotate under the exogenic drive. The left door knife arm 21, the first connecting block 23, the right door knife arm 22 and the second connecting block 24 are sequentially hinged to form a parallelogram structure, so that the starting block 6 can finally drive the left door knife arm 21 and the right door knife arm 22 to be outwards opened or inwards clamped.

The left door knife arm 21 and the right door knife arm 22 are connected with the door knife base plate 1 through a first connecting block 23 and a second connecting block 24 respectively, the first connecting block 23 and the second connecting block 24 can rotate freely relative to the door knife base plate 1 at a certain angle, the upper end of the left door knife arm 21 is connected to the left end of the first connecting block 23 in a rotating mode, the lower end of the left door knife arm 21 is connected to the left end of the second connecting block 24 in a rotating mode, the upper end of the right door knife arm 22 is connected to the right end of the first connecting block 23 in a rotating mode, the lower end of the right door knife arm 22 is connected to the right end of the second connecting block 24 in a rotating mode, the left door knife arm 21, the first connecting block 23, the right door knife arm 22 and the second connecting block 24 are hinged in sequence to form a parallelogram structure, and the left door knife arm 21 and the right door knife arm 22 can rotate along with the first connecting block 23 and the second connecting block 24 to clamp outwards and inwards.

The operating principle of elevator outer stay lock structure in this embodiment includes:

as shown in fig. 2-3, when the car is in the unlocking area and receives a door opening command, the motor moves to move the synchronous belt towards the door opening direction, the starting block 6 rotates around the axial direction of the starting rod under the driving of the synchronous belt, and drives the door knife arm assembly 2 to expand outwards to open the landing door ball through the connecting rod assembly 4, and unlocks the landing door lock, due to the action of the connecting rod assembly 4, one end of the latch hook connecting rod 5 connected with the connecting rod assembly is extruded and acted under the right direction, the connecting rod assembly 4 drives the latch hook connecting rod 5 to swing, so that the latch hook connecting rod 5 drives the tail end of the latch hook 3 to rotate downwards, the hook end of the latch hook 3 rotates upwards, the latch hook 3 of the car door is unlocked, the switch contact 9 is driven to be separated from the switch socket 10, unlocking is realized, and the car normally opens the door.

As shown in fig. 1, when the car is in the unlocking area and receives a door closing instruction, the starting rod moves towards the door closing direction under the driving of the motor force, the rolling bearing 30 on the swing rod 14 touches the curve plate 28 fixed on the bottom plate of the door machine, the swing rod 14 rotates and drives the limiting bearing 29 to break away from the limiting groove 16 on the starting block 6 and move on the limiting curved surface on the starting block 6, the starting block 6 starts to rotate, and drives the door knife arm assembly 2 to tighten inwards through the connecting rod assembly 4, the rotating part 13 is in a free state at this time, the lock hook 3 is in a locking state under the influence of self gravity, the hook end of the lock hook 3 rotates downwards along with the self gravity, and drives the switch contact 9 to contact the switch socket 10, so that the locking is realized, and the car is normally closed.

In this embodiment, as shown in fig. 2 to 3, when the car is in the unlocking area and the door is taken off from the car, the car door is forcibly moved in the door opening direction by an external force until the left door knife arm 21 touches the landing door ball, the left door knife arm 21 is tightened inward under the resistance of the landing door ball, the first connecting block 23 and the second connecting block 24 rotate clockwise and drive the left door knife arm 21 and the right door knife arm 22 to rotate, one end of the latch hook connecting rod 5 is subjected to a downward right extrusion force and acts under the action of the connecting rod assembly 4 connected thereto, the connecting rod assembly 4 drives the latch hook connecting rod 5 to swing, the latch hook connecting rod 5 drives the tail end of the latch hook 3 to rotate downward, the hook end of the latch hook 3 rotates upward, the car door latch hook 3 is unlocked, and the switch contact 9 is driven to be separated from the switch socket 10, so as to unlock the car door.

In this embodiment, as shown in fig. 4, when the car is in the unlocking area and the door is taken off from the outside of the car, the landing door is unlocked by using a triangular key, the landing door moves in the door opening direction until the landing door ball touches the right door knife arm 22, the right door knife arm 22 is tightened inwards under the resistance of the landing door ball, the first connecting block 23 and the second connecting block 24 rotate clockwise and drive the left door knife arm 21 and the right door knife arm 22 to rotate, one end of the latch hook connecting rod 5 is subjected to a downward extrusion force and acts through the action of the connecting rod assembly 4 connected with the left door knife arm 21 and the right door knife arm 22, the connecting rod assembly 4 drives the latch hook connecting rod 5 to swing, the latch hook connecting rod 5 drives the tail end of the latch hook 3 to rotate downwards, the hook end of the latch hook 3 rotates upwards, the car door latch hook 3 is unlocked, and the switch contact 9 is driven to be separated from the switch socket 10, so as to unlock the car door.

In this embodiment, as shown in fig. 5, the car is in the non-unlocking area, when the motor opens the door by mistake, the motor action makes the synchronous belt move towards the door opening direction, the synchronous belt drives the start lever, the start lever drives the start block 6 to rotate, make the first connecting block 23 rotate counterclockwise, because there is not a layer door ball in the middle of this moment, left door knife arm 21 and right door knife arm 22 continue to expand outward, one end of latch hook connecting rod 5 does not receive the effect of downward extrusion force, latch hook connecting rod 5 keeps the free state this moment, latch hook 3 is still in the locking state, the hook end of latch hook 3 keeps the downward state along with gravity, make switch contact 9 keep contacting with switch socket 10, continuously be in the locking state, still keep the locking state of closing the door with the switch bracket integrated on the door machine bottom plate. The distance between the latch hook 3 and the hook plate in the normal door closing state is less than 50mm, so when the car door is opened by mistake, the door opening distance meets the national standard requirement.

The car is in the non-region of unblanking, when taking off the door in the car, the motor hold-in range does not move, actuating lever and linkage plate also keep motionless, door link plate drives door sword bottom plate 1 and moves to the direction of opening the door when taking off the door, whole elevator props outward that door lock structure is whole moves to the direction of opening the door latch hook 3 and catches on the switch fixed plate of fixing on the door machine, because in the non-region of unblanking, left door tool arm 21 and right door tool arm 22 all can't contact layer door ball, left door tool arm 21 and right door tool arm 22 all do not move, the door link plate continues to move to the hook to the direction of opening the door and catches on the hook plate of fixing on the door machine. The distance between the two doors is less than 50mm, and the national standard requirement is met.

The car is in the region of unblanking, when the car opens the door outward, earlier with the triangle key with the door unblock of layer, make the layer door move to opening the door direction and open completely, at this moment, manual pull down rescue rope, rescue rope fixed part downstream drives urgent unlocking sheet 25 downstream, urgent unlocking sheet 25 overcomes the pulling force of urgent unblock extension spring 26 after, unlocking lever 27 pushes down the tail end of latch hook 3, make latch hook 3 along clockwise gyration, realize the unblock of sedan-chair door, manual taking off the sedan-chair door again, after releasing the rescue rope, urgent unlocking sheet 25 upward movement is made to urgent unlocking sheet by urgent unlocking extension spring 26 release potential energy, unlocking lever 27 gets back to initial condition, latch hook 3 passes through gravity automatic re-setting, keep the locked state.

Compared with the prior art, the elevator external-support door lock structure provided by the embodiment can ensure that the mechanical part is locked and the safety of the electric loop is verified simultaneously, the car door lock structure is simple, the installation and debugging are convenient, the maintenance difficulty and the cost of an elevator are reduced, the reliability and the safety of the car door lock are improved, the door opening and closing modes of multiple conditions are simpler, more reliable and safer through linkage, the manufacturing and assembling process is also simpler, the production cost is lower, and the elevator external-support door lock structure is suitable for large-batch standardized production.

Those skilled in the art will appreciate that the figures are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.

Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.

The above-mentioned invention numbers are merely for description and do not represent the merits of the implementation scenarios.

The above disclosure is only a few specific implementation scenarios of the present invention, however, the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims

1. An elevator outrigger door lock structure, comprising:

the verification switch comprises a switch contact and a switch socket, the switch contact is arranged on the lock hook, the switch socket is arranged on an external base positioned below the lock hook, and the lock hook comprises a hook end with a downward pointed part and a tail end which is rotatably connected to the bottom plate of the door knife;

2. The elevator outrigger door lock structure according to claim 1, characterized in that:

the connecting rod assembly comprises a first connecting rod, a second connecting rod and a rotating part, and the first end of the first connecting rod, the first end of the second connecting rod and the locking hook connecting rod are coaxially sleeved on the rotating part;

3. The elevator outrigger door lock structure according to claim 1, characterized in that:

the swing rod assembly comprises a swing rod and a swing rod spring, the swing rod is rotatably arranged on the door knife bottom plate and is elastically connected to the door knife bottom plate through the swing rod spring, one end of the swing rod is provided with a limiting bearing, and the other end of the swing rod is provided with a rolling bearing;

4. The elevator outrigger door lock structure of claim 3 wherein:

the starting block comprises a limiting groove, and the limiting groove is used for accommodating a limiting bearing on the swing rod and limiting the swing rod.

5. The elevator outrigger door lock structure according to claim 1, characterized in that:

also includes an elastic component;

6. The elevator outrigger door lock structure according to claim 5, characterized in that:

the elastic component comprises a starting block tension spring and a supporting column;

7. The elevator outrigger door lock structure according to claim 1, characterized in that:

the emergency unlocking device comprises an emergency unlocking plate and an emergency unlocking tension spring, the emergency unlocking plate is movably arranged on the door knife bottom plate, one end of the emergency unlocking tension spring is elastically connected to the emergency unlocking plate, and the other end of the emergency unlocking tension spring is connected to the door knife bottom plate;