CN106853941B - It is inserted into trigger-type layer door lock lock core device and elevator door unlock and alarming device - Google Patents

It is inserted into trigger-type layer door lock lock core device and elevator door unlock and alarming device Download PDF

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Publication number
CN106853941B
CN106853941B CN201510902399.7A CN201510902399A CN106853941B CN 106853941 B CN106853941 B CN 106853941B CN 201510902399 A CN201510902399 A CN 201510902399A CN 106853941 B CN106853941 B CN 106853941B
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China
Prior art keywords
lock core
lock
layer door
core shaft
floating plug
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CN201510902399.7A
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CN106853941A (en
Inventor
陆韵薇
江楫
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Shanghai Mitsubishi Elevator Co Ltd
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Shanghai Mitsubishi Elevator Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006Monitoring devices or performance analysers
    • B66B5/0018Devices monitoring the operating condition of the elevator system
    • B66B5/0031Devices monitoring the operating condition of the elevator system for safety reasons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0043Devices enhancing safety during maintenance
    • B66B5/005Safety of maintenance personnel

Abstract

The invention discloses a kind of insertion trigger-type layer door lock lock core device, including lock core shaft, the front of lock core shaft is arranged with the floating plug as trigger member, the elastic force of spring can be overcome to move into lock after the front end stress of floating plug, unclamp the shift plate of microswitch.When elevator floor stops by triangular key by artificially before external opening, can be made a sound and/or the alarming device of photosignal in the triggering immediately simultaneously of insertion triangular key, the security risk that warning operator will face;The operator warned rotates key and implements door lock breakdown action, the unlock of layer door lock, and layer door is opened;Compared with existing layer door opens the device for issuing warning, more effectively, more timely, safer.The invention also discloses a kind of using the elevator door unlock of insertion trigger-type layer door lock lock core device and alarming device.

Description

It is inserted into trigger-type layer door lock lock core device and elevator door unlock and alarming device
Technical field
The present invention relates to a kind of control devices of door lock of elevator, and in particular to a kind of insertion trigger-type layer door lock lock core dress It sets.The invention further relates to a kind of unlock of elevator door and alarming devices.
Background technique
When elevator door is when non-lift car landing is opened, it may occur that the slave stop of the unintentional initiation of personnel falls electricity The safety accident in stair shaft road." manufacture of GB 7588-2003 elevator and installation safety standard " 7.7.1 money is provided, is being operated normally When, should cannot open layer door (or any one fan in more fan layer door), unless carriage stop in the onlocking zone of this layer of door or It stops;7.7.3.2 money regulation, each layer of Men Junneng is from the outside by means of one and unlocking triangular key hole as defined in Appendix B The key of matching opens door ... after an energency-unlocking, and door lock assembly should not keep unlocking position under layer door closure It sets.In the case where gate drives layer door, when carriage is when except onlocking zone, as layer door no matter which kind of reason and open, then There should be a kind of device (pouring weight or spring) to can ensure that this layer of door is automatically closed.According to above-mentioned regulation, under normal circumstances only in elevator When carriage reaches the stop position of each stop, the layer door of elevator cage door and institute's dock floor is just opened simultaneously, and personnel and cargo can To pass in and out carriage;It is equipped with door lock and self closing device on each stop door, to prevent the unnormal unlocking of layer door.Therefore, only Have to hold and can operate each stop door of door lock unlatching with the operator of unlocking triangular key hole phase bitting.In such case Under, since lift car may not rest in this stop, face is exactly empty elevator shaft to the layer of unlatching behind the door, it is easy to be occurred Personnel fall the safety accident of elevator shaft from stop.
A kind of elevator safety system disclosed in Chinese patent literature CN102653369A, provides a kind of elevator door Detection device and information ring method when carriage occurs mobile under improper opening or elevator door opening state.By being arranged in layer It stands the tongue tube of side and the permanent magnet of cage side detects the stop position whether carriage is located at stop;By being arranged in layer door The permanent magnet of the tongue tube of device gate head and passive side layer door comes whether detection layers door is opened.When being detected simultaneously by certain stop door It opens and lift car is when being not in the stop position of the stop, issue warning information ring.
A kind of lift layer door irregular unlatching warning system, can supervise disclosed in Chinese patent literature CN202897710U Control judge layer door unlatching when, carriage whether this floor warning system.Bow and layer are hit by being mounted in carriage door machine The normally closed travel switch of door side judges whether carriage rests in the suitable position of stop;The layer door lock being closed when being opened by layer door Safety contact judges whether layer door is opened.When being detected simultaneously by, certain stop door is opened and lift car is not in the stop When stop position, warning light and alarm bell are powered on.
Chinese patent literature CN104003272A discloses a kind of improved elevator door lock assembly and its application method, mentions Supplied a kind of lock core alarming device being fixed on hoistway: when having a power failure, staff is inserted into lock core and is rotated with key, is locked Core rotation band moving cam rotates, and cam hits touch switch lights warning lamp.
The above method has problems in that with certain limitation: making a sound or when photoelectricity alarm signal, layer door The trend opened or opened is irresistible;Or the time of warning information ring is shorter.And in this case, operation Personnel will such as fall, and trend of falling has been difficult to avoid that.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of insertion trigger-type layer door lock lock core device, it can be Layer outer side of door warns operator before opening layer door lock using triangular key.
In order to solve the above technical problems, the present invention is inserted into the technical solution of trigger-type layer door lock lock core device are as follows:
Including lock core shaft 2, lock core shaft 2 can only rotate and can not move axially;The front of lock core shaft 2 is arranged with as triggering The floating plug 8 of part, floating plug 8 are movably set in lock core shell 7, and floating plug 8 can be moved forward and backward along lock core shaft 2;Lock core shell 7 is fixed Setting;The front end face of floating plug 8 realizes limit by the lock core protrusion of lock core shaft 2, and the rear end face of floating plug 8 is connected by spring 9 Fixing piece;Fixing piece fixed setting;The shift plate 20 of the connection microswitch 1 of floating plug 8;Bullet can be overcome after the front end stress of floating plug 8 The elastic force of spring 9 is moved into lock, unclamps the shift plate 20 of microswitch 1;Torsional spring 11, the rotation of lock core shaft 2 are arranged in lock core shaft 2 It is able to drive the torsion of torsional spring 11, torsional spring 11 is made to reverse accumulation of energy;Lock core shaft 2 is fixedly connected with unlocking board 12;One end of unlocking board 12 connects Unlocking mechanism is connect, unlocking mechanism is for unlocking layer door lock;Lock core shell 7 is fixedly connected with limit plate 5;Limit plate 5 is for limiting Unlocking board 12 and the rotational angle of lock core shaft connected to it 2.
When key is inserted into lock core, the front end of keyhole and the lock core shaft 2 cooperates, and with the insertion of key, key is pushed away Dynamic floating plug 8 is moved into lock;At the same time, 9 compress energy storage of spring;Floating plug 8 unclamps the shift plate of microswitch 1 in moving process 20, shift plate 20 is closed microswitch 1 by own spring force, triggering alarm unit movement;After key leaves lock core shaft 2, The energy of the release of spring 9 storage, pushes floating plug 8 to move to outside lock, until the lock core of lock core shaft 2 is encountered in the front end of floating plug 8 Protrusion stops, and floating plug 8 pushes down the shift plate 20 of microswitch 1 again at this time, and microswitch 1 is opened.
The side of the unlocking board 12 axially position in lock core shaft 2, unlock are realized by nut 15, spring washer 14 The axially position in lock core shaft 2 is realized by nut 13 in the other side of plate 12, to guarantee unlocking board 12 without departing from lock core Axis 2;The unlocking board 12 and the connecting hole of lock core shaft 2 are formed with standstill face 12a, the standstill face 12a of unlocking board 12 and lock core shaft 2 The standstill face 2a of end is matched, and lock core shaft 2 is able to drive the synchronous rotation of unlocking board 12 when rotating.
The two sides of the limit plate 5 pass through nut 6 respectively and gasket 4 realizes the axially position on lock core shell 7;Limit The connecting hole of plate 5 and lock core shell 7 is formed with limit plate standstill face 5a, the standstill face of limit plate standstill face 5a and lock core shell 7 7a is matched, and rotate limit plate 5 can not relative to lock core shell 7.
The front of the lock core shaft 2 is matched with the inner hole of floating plug 8, and the shape of front makes floating plug 8 and lock It cannot relatively rotate between mandrel 2.
The fixing piece is mounting plate 10;The rear end face of the floating plug 8 is located at the outside of lock core shell 7;The floating plug 8 is logical Shift plate 20 is connected after end face thereafter.
The fixing piece is integrated with lock core shell 7, and fixing piece is the rear end face of lock core shell 7;The side of the floating plug 8 It is fixedly installed bolt 28, the side of the lock core shell 7 offers the guide groove 7c axially extended, and bolt 28 is outside lock core The guide groove of shell 7 stretches out and is located at the outside of lock core shell 7;The floating plug 8 connects shift plate 20 by bolt 28.
The present invention also provides a kind of elevator door unlock using insertion trigger-type layer door lock lock core device and warning dresses It sets, its technical solution is that:
The microswitch 1 and alarm unit and prevent the resistive element 19 of overcurrent from connecting, alarm unit includes mutually simultaneously The buzzer 17 and warning lamp 18 of connection;The opening and closing of microswitch 1 realizes control by layer door lock lock core device 25;When the layer Door lock lock core device is closed microswitch 1, and circuit is connected, and triggering alarm unit movement, buzzer 17 makes a sound, warns Lamp 18 issues photosignal;When the layer door lock lock core device disconnects microswitch 1, circuit is immediately or delay is breaking, touching Send out alarm unit immediately or delay tenth skill;When triggering alarm unit tenth skill, the stopping of buzzer 17 is made a sound, and is warned Lamp 18 stops issuing photosignal.
The present invention also provides a kind of elevator door unlock using insertion trigger-type layer door lock lock core device and warning dresses It sets, its technical solution is that:
Including layer door upper sill frame 21, layer door, landing sill, tripper;The layer door lock core apparatus connecting steel wire ropes 24, The other end of wirerope 24 connects movable latch hook 22, movable latch hook 22 and fixed 26 groups of stratification door locks of latch hook by drag hook 23; The limit plate 5 of the insertion trigger-type layer door lock lock core device has limiting section, and the limiting section of limit plate 5 is located at unlocking board 12 Two working faces between;The lock core shaft 2 rotates under the drive of key, and lock core shaft 2 drives unlocking board 12 to unlocking direction Rotation, unlocking board 12 are dragged down by wirerope 24 pull hook 23 during rotation, and drag hook 23 is made to lift movable latch hook 22, are solved Jam plate 12 is turned to after its first working face encounters limit plate 5 and is stopped operating;The height that movable latch hook 22 lifts at this time be more than with Mesh volume fixes latch hook 26, and movable latch hook 22 leaves fixed latch hook 26, realizes the unlock of layer door lock;At the same time, torsional spring 11 Reverse accumulation of energy;After key leaves lock core shaft 2, the energy of the release of torsional spring 11 storage drives unlocking board 12 by lock core shaft 2 Revolution stops revolution after the second working face of unlocking board 12 encounters limit plate 5;Unlocking board 12 drives movable latch hook 22 at this time It resets and is engaged with fixed latch hook 26, realize the sealed of layer door lock.
What the present invention can achieve has the technical effect that
When elevator floor stops artificially before external opening, are triggered immediately simultaneously by triangular key in insertion triangular key It can make a sound and/or the alarming device of photosignal, the security risk that warning operator will face;The behaviour warned Make personnel and rotate key implementation door lock breakdown action, the unlock of layer door lock, layer door is opened;It is opened with existing layer door and issues warning Device compare, more effectively, more timely, safer.
The present invention is before the breakdown action of implementation level door lock, it will be able to so that buzzer and/or warning lamp is worked, in time Operator's the case where being faced is warned, the awareness of safety of operator is improved, to preferably avoid the pendant of operator Fall accident.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is the circuit diagram of elevator door unlock of the present invention and alarming device;
Fig. 2 is structural schematic diagram of the invention;
Fig. 3 is the structural schematic diagram of layer door lock lock core device of the invention;
Fig. 4 is the bottom view of Fig. 3;
Fig. 5 is the stereoscopic schematic diagram of layer door lock lock core device of the invention;
Fig. 6 is the stereoscopic schematic diagram of another angle of layer door lock lock core device of the invention;
Fig. 7 a is that the unlocking board of layer door lock lock core device of the invention rotates in the forward direction limit schematic diagram;
Fig. 7 b is the reverse rotation limit schematic diagram of the unlocking board of layer door lock lock core device of the invention;
Fig. 8 is the schematic diagram of the lock core shaft of layer door lock lock core device of the invention;
Fig. 9 a is the triggering state schematic diagram of layer door lock lock core device of the invention;
Fig. 9 b is the non-toggle status diagram of layer door lock lock core device of the invention;
Figure 10 is the structural schematic diagram of the second embodiment of layer door lock lock core device of the invention;
Figure 11 is the stereoscopic schematic diagram of the second embodiment of layer door lock lock core device of the invention;
Figure 12 is the stereoscopic schematic diagram of another angle of the second embodiment of layer door lock lock core device of the invention;
Figure 13 a is the triggering state schematic diagram of the second embodiment of layer door lock lock core device of the invention;
Figure 13 b is the non-toggle status diagram of the second embodiment of layer door lock lock core device of the invention.
Description of symbols in figure:
1 is microswitch, and 2 be lock core shaft,
2a is lock core shaft standstill face, and 2b is lock core protrusion,
2c is the front of lock core shaft, and 2d is circlip groove,
3 be layer door board, and 4 be gasket,
5 be limit plate, and 6 be nut,
5a is limit plate standstill face, and 7a is lock core shell standstill face,
7 be lock core shell, and 8 be floating plug,
9 be spring, and 10 be mounting plate,
11 be torsional spring, and 12 be unlocking board,
12a is unlocking board standstill face, and 12b is wirerope mounting hole,
13 be nut, and 14 be spring washer,
15 be nut, and 16 be shaft block ring,
17 be buzzer, and 18 be warning lamp,
19 be resistive element, and 20 be shift plate,
21 be layer door upper sill frame, and 22 be movable latch hook,
23 be drag hook, and 24 be wirerope,
25 be layer door lock lock core device, and 26 be fixed latch hook,
28 be bolt.
Specific embodiment
As shown in Figure 1, elevator door unlock of the present invention and alarming device, including microswitch 1, microswitch 1 and warning Unit and prevent the resistive element 19 of overcurrent from connecting, alarm unit includes buzzer 17 and warning lamp 18 parallel with one another;Fine motion The opening and closing of switch 1 realizes control by layer door lock lock core device 25;
When layer door lock lock core device 25 is closed microswitch 1, circuit is connected, triggering alarm unit movement, buzzer 17 make a sound, and warning lamp 18 issues photosignal;
When layer door lock lock core device 25 disconnects microswitch 1, circuit is immediately or delay open circuit, triggering alarm unit are vertical Even being delayed tenth skill;When triggering alarm unit tenth skill, the stopping of buzzer 17 is made a sound, and warning lamp 18 stops issuing Photosignal.
The photosignal that alarm unit issues can use the illumination of hoistway itself.
Layer door lock lock core device 25 is unlocked by unlocking structure;Unlocking structure can be wirerope 24, can also be with For post rod mechanism.
As shown in Fig. 2, layer door lock lock core device 25 is fixedly installed on layer door;The unlock of layer door lock lock core device 25 The other end of one end of one end connecting steel wire ropes 24 of plate 12, wirerope 24 connects movable latch hook 22, movable latch by drag hook 23 Hook 22 and fixed 26 groups of stratification door locks of latch hook;Fixed latch hook 26 is fixedly installed on the static element of layer door upper sill frame 21, movably Latch hook 22 is set on the door strap of layer door upper sill frame 21;
When key is inserted into lock core, the triangular front end of keyhole and lock core shaft 2 cooperates, with the insertion of key, fine motion Switch 1 is closed, triggering alarm unit movement;
Key is rotated later, and key drives lock core shaft 2 to rotate together;Lock core shaft 2 drives unlocking board 12 to turn to unlocking direction Dynamic, unlocking board 12 is dragged down by wirerope 24 pull hook 23 during rotation, and drag hook 23 lifts movable latch hook 22, is made movable Latch hook 22 leaves fixed latch hook 26, realizes the unlock of layer door lock.
As shown in Figures 3 to 6, layer door lock lock core device 25 includes lock core shaft 2, and the front of lock core shaft 2 is arranged with conduct The floating plug 8 of trigger member, floating plug 8 are movably set in lock core shell 7, and floating plug 8 can be moved forward and backward along lock core shaft 2;Lock core shell 7 The outer surface of layer door board 3 is clamped with gasket 4, realization lock core shell 7 is fixedly connected with layer door board 3;
The front end face of floating plug 8 realizes limit by the lock core protrusion of lock core shaft 2, and the rear end face of floating plug 8 resists spring 9 One end, the other end of spring 9 are butted on mounting plate 10;The fixed setting of mounting plate 10 (can with layer door board 3 be fixedly connected); Spring 9 replys part as straight line accumulation of energy;
The shift plate 20 of the connection microswitch 1 of floating plug 8;
(i.e. backward) movement into lock along lock core shaft 2 of the elastic force of spring 9 can be overcome after the front end stress of floating plug 8, unclamped The shift plate 20 of microswitch 1;
It is arranged with limit plate 5 on lock core shell 7, axis of the limit plate 5 on lock core shell 7 is realized by nut 6 and gasket 4 To positioning;The connecting hole of limit plate 5 and lock core shell 7 is formed with limit plate standstill face 5a, outside limit plate standstill face 5a and lock core The standstill face 7a of shell 7 is matched, and rotate limit plate 5 can not relative to lock core shell 7;Limit plate 5 is for limiting unlocking board 12 And the rotational angle of lock core shaft 2 connected to it;
Lock core shaft 2 passes through mounting plate 10, and realizes that lock core shaft 2 is fixed relative to the axial direction of mounting plate 10 by shaft block ring 16 Position, makes lock core shaft 2 that can only rotate and can not move axially;
The rear portion of lock core shaft 2 is fixedly connected with unlocking board 12;It is realized by nut 15, spring washer 14 side of unlocking board 12 The axially position in lock core shaft 2 is realized by nut 13 in the other side of axially position in lock core shaft 2, unlocking board 12, from And guarantee unlocking board 12 without departing from lock core shaft 2;
Unlocking board 12 and the connecting hole of lock core shaft 2 are formed with standstill face 12a, the standstill face 12a of unlocking board 12 and lock core shaft 2 The standstill face 2a of end is matched, and lock core shaft 2 is able to drive the synchronous rotation of unlocking board 12 when rotating;
Torsional spring 11 is arranged in lock core shaft 2, the rotation of lock core shaft 2 is able to drive the torsion of torsional spring 11, stores the torsion of torsional spring 11 Energy;Torsional spring 11 replys part as rotation accumulation of energy;
One end of 12 connecting steel wire ropes 24 of unlocking board offers wirerope mounting hole 12b, and wirerope 24 passes through bolt assembly It is fixed on unlocking board 12;The other end of unlocking board 12 forms two working faces, the surfaces of revolution of two working faces in unlocking board 12 (i.e. with the plane of the axis perpendicular of lock core shaft 2) interior shape has angle;
Limit plate 5 has limiting section, and the limiting section of limit plate 5 is located between two working faces of unlocking board 12;
As shown in Figure 7a, when lock core shaft 2 drives 12 forward direction rotation (clockwise) of unlocking board, the first work of unlocking board 12 The upper surface of the limiting section of face contact limit plate 5, limit plate 5 carry out unlocking board 12 to rotate in the forward direction limit;
As shown in Figure 7b, when lock core shaft 2 drives the reversely rotation (counterclockwise) of unlocking board 12, the second work of unlocking board 12 The lower end surface of the limiting section of face contact limit plate 5, limit plate 5 carry out reverse rotation limit to unlocking board 12.
As shown in figure 8, the front of lock core shaft 2 is matched with the inner hole of floating plug 8, and the shape of front makes floating plug It cannot relatively rotate between 8 and lock core shaft 2;The front 2c of lock core shaft 2 can be water-drop-shaped;
The front elevational sectional of lock core shaft 2 is triangle, and the triangular front end of lock core shaft 2 is radially formed lock core protrusion 2b;
The middle part of lock core shaft 2 offers circlip groove 2d, for positioning of the shaft block ring 16 in lock core shaft 2.
Layer door lock lock core device 25 is insertion trigger-type, its working principles are as follows:
When key is inserted into lock core, the triangular front end of keyhole and lock core shaft 2 cooperates, with the insertion of key, key Floating plug 8 is pushed to move axially inward relative to lock core shell 7, until reaching near mounting plate 10;At the same time, spring 9 is pressed Contracting accumulation of energy;Floating plug 8 unclamps the shift plate 20 of microswitch 1 in moving process, and as illustrated in fig. 9, shift plate 20 relies on own spring force It is closed microswitch 1, triggering alarm unit movement;
Key is rotated later, and key drives lock core shaft 2 to rotate together;At the same time, torsional spring 11 reverses accumulation of energy;Lock core shaft 2 Unlocking board 12 is driven to rotate to unlocking direction, unlocking board 12 is dragged down by wirerope 24 pull hook 23 during rotation, is made Drag hook 23 lifts movable latch hook 22, and unlocking board 12 is turned to after its first working face encounters limit plate 5 and stopped operating;It is movable at this time The height that latch hook 22 lifts is more than and mesh volume fixes latch hook 26, realizes the unlock of layer door lock;
After key unclamps lock core, the energy of the release storage of torsional spring 11 drives unlocking board 12 to turn round, directly by lock core shaft 2 The second working face to unlocking board 12 is encountered and stops revolution after limit plate 5;
At the same time, the energy of the release of spring 9 storage, pushes floating plug 8 to move along axial direction to outside lock, before floating plug 8 The lock core protrusion (or the tail end of floating plug 8 encounter lock core shell 7 tail end) that lock core shaft 2 is encountered at end stops, at this time 8 weight of floating plug The shift plate 20 of microswitch 1 is newly pushed down, as shown in figure 9b, microswitch 1 is opened after certain interval of time, and circuit continues to turn on Breaking after a period of time, buzzer 17 and warning lamp 18 work on and stop working after a period of time.
The present invention also provides another embodiments of layer door lock lock core device 25:
As shown in Figure 10 to Figure 12, layer door lock lock core device 25 includes lock core shaft 2, and the front of lock core shaft 2 is arranged with work For the floating plug 8 of trigger member, floating plug 8 is set in lock core shell 7;Lock core shell 7 and gasket 4 clamp the outer surface of layer door board 3, Realization lock core shell 7 is fixedly connected with layer door board 3;
The side of floating plug 8 is fixedly installed bolt 28, and the side of lock core shell 7 offers the guide groove axially extended 7c, bolt 28 stretch out from the guide groove of lock core shell 7 and are located at the outside of lock core shell 7;Floating plug 8 connects shift plate by bolt 28 20;
The front end face of floating plug 8 realizes limit by the lock core protrusion of lock core shaft 2, and the rear end face of floating plug 8 resists spring 9 One end, the other end of spring 9 are butted on the rear end face of lock core shell 7, the elastic force of spring 9 can be overcome after the front end stress of floating plug 8 (i.e. backward) movement into lock along lock core shaft 2;Spring 9 replys part as straight line accumulation of energy;
It is arranged with limit plate 5 on lock core shell 7, axis of the limit plate 5 on lock core shell 7 is realized by nut 6 and gasket 4 To positioning;The connecting hole of limit plate 5 and lock core shell 7 is formed with limit plate standstill face 5a, outside limit plate standstill face 5a and lock core The standstill face 7a of shell 7 is matched, and rotate limit plate 5 can not relative to lock core shell 7;Limit plate 5 is for limiting unlocking board 12 And the rotational angle of lock core shaft 2 connected to it;
Lock core shaft 2 pass through lock core shell 7 rear end face, and by shaft block ring 16 realize lock core shaft 2 relative to lock core outside The axially position of shell 7 makes lock core shaft 2 that can only rotate and can not move axially;
The rear portion of lock core shaft 2 is fixedly connected with unlocking board 12;It is realized by nut 15, spring washer 14 side of unlocking board 12 The axially position in lock core shaft 2 is realized by nut 13 in the other side of axially position in lock core shaft 2, unlocking board 12, from And guarantee unlocking board 12 without departing from lock core shaft 2;
Unlocking board 12 and the connecting hole of lock core shaft 2 are formed with standstill face 12a, the standstill face 12a of unlocking board 12 and lock core shaft 2 The standstill face 2a of end is matched, and lock core shaft 2 is able to drive the synchronous rotation of unlocking board 12 when rotating;
Torsional spring 11 is arranged in lock core shaft 2, the rotation of lock core shaft 2 is able to drive the torsion of torsional spring 11, stores the torsion of torsional spring 11 Energy;Torsional spring 11 replys part as rotation accumulation of energy;
One end of 12 connecting steel wire ropes 24 of unlocking board offers wirerope mounting hole 12b, and wirerope 24 passes through bolt assembly It is fixed on unlocking board 12;The other end of unlocking board 12 forms two working faces, the surfaces of revolution of two working faces in unlocking board 12 (i.e. with the plane of the axis perpendicular of lock core shaft 2) shape has angle;
Limit plate 5 has limiting section, and the limiting section of limit plate 5 is located between two working faces of unlocking board 12;
When the positive rotation (clockwise) of unlocking board 12, the limiting section of the first work face contact limit plate 5 of unlocking board 12 Upper surface, limit plate 5 carries out unlocking board 12 to rotate in the forward direction limit;
When the reversed rotation (counterclockwise) of unlocking board 12, the limiting section of the second work face contact limit plate 5 of unlocking board 12 Lower end surface, limit plate 5 carries out reverse rotation limit to unlocking board 12.
The working principle of layer door lock lock core device 25 is as follows:
When key is inserted into lock core, the triangular front end of keyhole and lock core shaft 2 cooperates, with the insertion of key, key Floating plug 8 is pushed to move along axial direction into lock relative to lock core shell 7, near the step 7b for reaching lock core shell 7;It is same with this When, 9 compress energy storage of spring;In the moving process of floating plug 8, the bolt 28 on floating plug 8 unclamps the shift plate 20 of microswitch 1, such as Shown in Figure 13 a, shift plate 20 is closed microswitch 1 by own spring force, triggering alarm unit movement;
Key is rotated later, and key drives lock core shaft 2 to rotate together;Lock core shaft 2 drives unlocking board 12 to turn to unlocking direction Dynamic, unlocking board 12 is dragged down by wirerope 24 pull hook 23 during rotation, and drag hook 23 is made to lift movable latch hook 22, is unlocked Plate 12 is turned to after its first working face encounters limit plate 5 and is stopped operating;The height that movable latch hook 22 lifts at this time is more than and nibbles Resultant fixes latch hook 26, realizes the unlock of layer door lock;
The rotation of lock core shaft 2 makes torsional spring 11 reverse accumulation of energy;
After key unclamps lock core, the energy of the release storage of torsional spring 11 drives unlocking board 12 to turn round, directly by lock core shaft 2 The second working face to unlocking board 12 is encountered and stops revolution after limit plate 5;
At the same time, the energy of the release of spring 9 storage, pushes floating plug 8 to move along axial direction to outside lock relative to lock core shell 7 Dynamic, until the bottom guide groove 7c that the bolt 28 on floating plug 8 encounters lock core shell 7 stops, the bolt 28 on floating plug 8 is again at this time The shift plate 20 of microswitch 1 is pushed down, as illustrated in fig. 13b, microswitch 1 is opened after certain interval of time, and circuit continues to turn on Breaking after a period of time, buzzer 17 and warning lamp 18 work on and stop working after a period of time.
Compared with first embodiment, second embodiment has certain advantage in manufacture.
Above by specific embodiment and embodiment, invention is explained in detail, but these are not composition pair Limitation of the invention.Without departing from the principles of the present invention, those skilled in the art can also make many deformations and change Into these also should be regarded as protection scope of the present invention.

Claims (8)

1. a kind of insertion trigger-type layer door lock lock core device, it is characterised in that: including lock core shaft (2), lock core shaft (2) can only turn It moves and can not move axially;The front of lock core shaft (2) is arranged with the floating plug (8) as trigger member;Floating plug (8) is movably set in lock In core housing (7), floating plug (8) can be moved forward and backward along lock core shaft (2);Lock core shell (7) fixed setting;
The front end face of floating plug (8) realizes limit by the lock core protrusion of lock core shaft (2), and the rear end face of floating plug (8) passes through spring (9) connection fixture;Fixing piece fixed setting;Floating plug (8) connects the shift plate (20) of microswitch (1);The front end of floating plug (8) by The elastic force of spring (9) can be overcome to move after power into lock, unclamp the shift plate (20) of microswitch (1);
It is arranged in lock core shaft (2) torsional spring (11), the rotation of lock core shaft (2) is able to drive torsional spring (11) torsion, makes torsional spring (11) Reverse accumulation of energy;
Lock core shaft (2) is fixedly connected with unlocking board (12);One end of unlocking board (12) connects unlocking mechanism, and unlocking mechanism is for unlocking Layer door lock;
Lock core shell (7) is fixedly connected with limit plate (5);Limit plate (5) is for limiting unlocking board (12) and lock core connected to it The rotational angle of axis (2);
When key is inserted into lock core, the front end of keyhole and the lock core shaft (2) cooperates, and with the insertion of key, key is pushed Floating plug (8) is moved into lock;At the same time, spring (9) compress energy storage;Floating plug (8) unclamps microswitch (1) in moving process Shift plate (20), shift plate (20) by own spring force make microswitch (1) be closed, triggering alarm unit movement;
After key leaves lock core shaft (2), the energy of spring (9) the release storage pushes floating plug (8) to move to outside lock, directly The lock core protrusion for encountering lock core shaft (2) to the front end of floating plug (8) stops, and floating plug (8) pushes down the shift plate of microswitch (1) at this time (20), microswitch (1) is opened.
2. insertion trigger-type layer door lock lock core device according to claim 1, it is characterised in that: the unlocking board (12) Side axially position on lock core shaft (2), the other side of unlocking board (12) are realized by nut (15), spring washer (14) The axially position on lock core shaft (2) is realized by nut (13), to guarantee unlocking board (12) without departing from lock core shaft (2);
The connecting hole of the unlocking board (12) and lock core shaft (2) is formed with standstill face (12a), the standstill face of unlocking board (12) (12a) is matched with the standstill face (2a) of lock core shaft (2) end, and lock core shaft (2) is able to drive unlocking board (12) when rotating synchronous Rotation.
3. insertion trigger-type layer door lock lock core device according to claim 1, it is characterised in that: the limit plate (5) Two sides pass through nut (6) and gasket (4) respectively and realize the axially position on lock core shell (7);Outside limit plate (5) and lock core The connecting hole of shell (7) is formed with limit plate standstill face (5a), the standstill face (7a) of limit plate standstill face (5a) and lock core shell (7) It matches, rotate limit plate (5) can not relative to lock core shell (7).
4. insertion trigger-type layer door lock lock core device according to claim 1, it is characterised in that: the lock core shaft (2) Front matched with the inner hole of floating plug (8), and make cannot between floating plug (8) and lock core shaft (2) for the shape of front It relatively rotates.
5. insertion trigger-type layer door lock lock core device according to claim 1, it is characterised in that: the fixing piece is peace Loading board (10);The rear end face of the floating plug (8) is located at the outside of lock core shell (7);The floating plug (8) is connected by end face thereafter Shift plate (20).
6. insertion trigger-type layer door lock lock core device according to claim 1, it is characterised in that: the fixing piece and lock Core housing (7) is integrated, and fixing piece is the rear end face of lock core shell (7);The side of the floating plug (8) is fixedly installed bolt (28), the side of the lock core shell (7) offers the guide groove (7c) axially extended, and bolt (28) is from lock core shell (7) Guide groove stretch out and be located at the outside of lock core shell (7);The floating plug (8) passes through bolt (28) connection shift plate (20).
7. a kind of elevator door alarming device using insertion trigger-type layer door lock lock core device described in claim 1, It is characterized in that: the microswitch (1) and alarm unit and preventing the resistive element (19) of overcurrent from connecting, alarm unit includes phase Mutually buzzer (17) and warning lamp (18) in parallel;The opening and closing of microswitch (1) is realized by layer door lock lock core device (25) Control;
When the layer door lock lock core device is closed microswitch (1), circuit is connected, triggering alarm unit movement, buzzer (17) it makes a sound, warning lamp (18) issues photosignal;
When the layer door lock lock core device disconnects microswitch (1), circuit is immediately or delay open circuit, triggering alarm unit are vertical Even being delayed tenth skill;When triggering alarm unit tenth skill, buzzer (17) stopping is made a sound, and warning lamp (18) stops Issue photosignal.
8. a kind of elevator door tripper using insertion trigger-type layer door lock lock core device described in claim 1, It is characterized in that: one end connecting steel wire ropes (24) of the unlocking board (12) of the layer door lock core apparatus, the other end of wirerope (24) Movable latch hook (22) is connected by drag hook (23), layered door lock is organized in movable latch hook (22) and fixed latch hook (26);
The limit plate (5) of the insertion trigger-type layer door lock lock core device has limiting section, and the limiting section of limit plate (5) is located at Between two working faces of unlocking board (12);
The lock core shaft (2) rotates under the drive of key, and lock core shaft (2) drives unlocking board (12) to rotate to unlocking direction, solution Jam plate (12) is dragged down by wirerope (24) pull hook (23) during rotation, and drag hook (23) is made to lift movable latch hook (22), unlocking board (12) is turned to after its first working face encounters limit plate (5) and is stopped operating;Movable latch hook (22) is lifted at this time Height be more than it is fixed latch hook (26) with mesh volume, movable latch hook (22) is left fixed latch hook (26), realizes the solution of layer door lock Lock;At the same time, torsional spring (11) reverses accumulation of energy;
After key leaves lock core shaft (2), the energy of torsional spring (11) the release storage drives unlocking board by lock core shaft (2) (12) it turns round, encounters limit plate (5) until the second working face of unlocking board (12) and stop revolution afterwards;Unlocking board (12) drives at this time Movable latch hook (22) is resetted to be engaged with fixed latch hook (26), realizes the sealed of layer door lock.
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CN107188008A (en) * 2017-04-12 2017-09-22 宁波欧菱电梯配件有限公司 A kind of steel wire rope open-type elevator door lock opening device
WO2019084851A1 (en) * 2017-11-01 2019-05-09 日立楼宇技术(广州)有限公司 Elevator maintenance method, smart key, and elevator maintenance system
GR1009517B (en) * 2018-04-04 2019-05-02 Ευαγγελος Νικολαου Κλαμπανης Security mechanism for elevator's locks

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EP0506155A2 (en) * 1991-03-25 1992-09-30 Otis Elevator Company Safety blocking system for an elevator swinging door
CN104003272A (en) * 2014-04-24 2014-08-27 恒达富士电梯有限公司 Improved elevator door lock device and utilization method

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