CN205932870U - Elevator sedan -chair locks and elevator - Google Patents

Abstract

The utility model discloses an elevator sedan -chair locks and elevator, elevator sedan -chair locks includes latch hook mechanism, lock private plane structure, lance and unblanks the baffle, latch hook mechanism is used for installing at door machine board, latch hook mechanism can for the quick -witted board of door rotates, the lock private plane construct with the lance is used for installing at the door strap, the lock private plane construct with the interlocking cooperation of latch hook mechanism, when the sedan -chair door is closed, the lance with laminating of latch hook mechanism and top are tight latch hook mechanism, it is used for installing at door head plate to unblank the baffle, unblank the baffle, the lance is used for with the cooperation of latch hook mechanism makes latch hook mechanism is located unlocked state or closes the lock state. Elevator sedan -chair locks and elevator, unblank or the operation of closing the lock be independent of other quick -witted remote -action system, simultaneously be applicable to new door operator development and old door operator install the transformation of sedan -chair lock, strong, the long service life of commonality additional.

Description

Elevator car door locking device and elevator

Technical field

The utility model is related to elevator car door system field, more particularly, to a kind of elevator car door locking device and elevator.

Background technology

Elevator, as daily means of transport, all can be used, due to its particularity it is desirable to prevent as far as possible in life daily Contingency occurs.In conventional accident case, the contingency that elevator produces in the enabling of non-enabling region occupies certain proportion, Elevator safety is caused with more serious impact.Traditional, for the unexpected thing preventing lift car from producing in the enabling of non-enabling region Therefore, the mode typically installing door lock on door machine additional is protected.But, visiting in elevator market, machine class is many, and most door lock only exists Increase door lock protection in door machine newly developed, and generally require and the cooperation of other machine moving systems, complex structure, be in old door machine On to install door lock additional more difficult.

Utility model content

Based on this, the utility model is to overcome the defect of prior art, provides one kind independent of other machine acts System, be simultaneously suitable for the exploitation of new door lifter and old door lifter install car door lock transformation, highly versatile, the electricity of long service life additional Terraced car door locking device and elevator.

Its technical scheme is as follows：

A kind of elevator car door locking device, including latch hook mechanism, lock mechanism, lance and unlocking baffle plate, described latch hook machine Structure is used for being arranged on a machine plate, and described latch hook mechanism can rotate with respect to described door machine plate, described lock mechanism with described Lance is used for being arranged on door strap, described lock mechanism and described latch hook mechanism interlock fit, when gate is closed, described lance Fit and hold out against described latch hook mechanism with described latch hook mechanism, described unlocking baffle plate is used for being arranged on a head plate, described unlocking Baffle plate, lance are used for and the cooperation of described latch hook mechanism, so that described latch hook mechanism is located at unlocking condition or close lock status.

Wherein in an embodiment, described latch hook mechanism includes rotating arm body, latch hook body and tension spring, institute The first end stating rotation arm body can rotate with respect to described door machine plate, described rotation the second end of arm body and described latch hook Body rotates and connects, and the second end of described rotation arm body is provided with the binding face for fitting with described lance, and described latch hook is originally The first end of body is for the latch hook portion with described lock mechanism interlock fit, and described latch hook body is provided with for being opened with described The stop roller of lock baffle fit, when lift car is located at enabling region, it is remote that described stop roller is located at described unlocking baffle plate From the side of lock mechanism, the first end of described tension spring is connected with the middle part of described rotation arm body, described tension spring The second end can fix with respect to described door machine plate.

Wherein in an embodiment, described elevator car door locking device also includes latch hook and shuts locating part and latch hook unlocking limit Position part, described latch hook shuts locating part and latch hook unlocking locating part is used for being arranged on a machine plate, when described latch hook body is in When closing lock status, described latch hook body and described latch hook shut locating part and fit into reset state, when described latch hook body is in During unlocking condition, described latch hook body is fitted with described latch hook unlocking locating part.

Wherein in an embodiment, described elevator car door locking device also includes that turning arm closes the door locating part and turning arm is opened Door limiting part, described turning arm closes the door locating part and turning arm door open limit part is used for being arranged on a machine plate, when gate is in When fastening state, described rotation arm body and described turning arm locating part of closing the door is fitted, when gate opens certain interval, described Rotation arm body is fitted with described turning arm door open limit.

Wherein in an embodiment, described elevator car door locking device also includes latch hook bottom deck assembly, described latch hook base plate Assembly includes for being arranged on the base plate body on a machine plate, and described latch hook mechanism is rotated with described base plate body and is connected, described Second end of tension spring is connected near the one end in latch hook portion with described base plate body, and described latch hook shuts locating part, described lock Hook unlocking locating part, described turning arm close the door locating part and described turning arm door open limit part is arranged at described base plate body On.

Wherein in an embodiment, described base plate body is provided with the first installing hole, and the first of described rotation arm body End is provided with clutch shaft bearing and the first rotary shaft, and the first end of described rotation arm body is connected with the outer ring of described clutch shaft bearing, institute The one end stating the first rotary shaft is arranged in the inner ring of described clutch shaft bearing, and the other end of described first rotary shaft is arranged on described In first installing hole.

Wherein in an embodiment, described latch hook body is provided with second bearing and the second rotary shaft, and described latch hook is originally Body is connected with the outer ring of described second bearing, and one end of described second rotary shaft is connected with the inner ring of described second bearing, described The other end of the second rotary shaft is connected with the second end of described rotation arm body.

Wherein in an embodiment, described lock mechanism is included lock installing plate and is rotated with described lock installing plate The lock plate connecting, the first end of described lock plate is for the lock portion with described latch hook body interlock fit, described lock Portion is provided with unblock drawstring, and the second end of described lock plate is provided with lock locating part, and described lock installing plate is used for being arranged on door On link plate, described lock installing plate is provided with the lock limiting plate with the cooperation of described lock locating part, and is used for making described lock Seat board reverts to the lock back-moving spring of reset state, and described lock back-moving spring holds out against towards the reset direction of described lock plate Described lock plate.

Wherein in an embodiment, it is provided with first at described latch hook mechanism and the cooperation of described lock mechanism and electrically opens Close, be provided with second coordinating with described first electric switch at described lock mechanism and the cooperation of described latch hook mechanism and electrically open Close.

A kind of elevator, including lift car, the door head plate located at every floor layer and elevator cage door lock described above dress Put, described lift car includes gate, door machine plate and door strap.

The beneficial effects of the utility model are：

Above-mentioned elevator car door locking device, latch hook mechanism is arranged on a machine plate, in the motion process that gate opens or closes, The position of latch hook mechanism remains stationary as, and lock mechanism and lance are arranged on door strap, can move with the motion of gate, lock Seat mechanism and latch hook mechanism interlock fit are realized unlocking or shutting, and unlocking baffle plate is arranged in a head plate, will not be with gate and layer The motion of door and move, after lift car enters enabling region, in the motion of gate switch door, lance, unlocking baffle plate can be with Latch hook mechanism coordinates, and triggering latch hook mechanism rotates with respect to door machine plate, realizes the normal door of gate or normally closes the door；Work as elevator When car is located at non-enabling region, unlocking baffle plate cannot be contacted with latch hook mechanism it is impossible to realize coordinating, latch hook machine when opening the door by force Structure cannot be unlocked, and gate can not be opened.Described elevator car door locking device, latch hook mechanism and lock mechanism interlock fit are realized opening Lock or shut, lance, unlocking baffle plate and latch hook mechanism cooperate, realize the operation unlocked or shut when gate moves, its The operation unlocked or shut, independent of other machine moving systems, can be installed additional on the basis of not affecting former door mechanism system, The car door lock that installs additional of the exploitation and old door lifter that are simultaneously suitable for new door lifter is transformed, highly versatile.Additionally, latch hook mechanism and door Machine plate adopts rotating manner to realize motion, unlocks or shuts in operation, and using being rotatably assorted, friction is less at contact movement position, Long service life.

Described elevator, including elevator car door locking device described above, possesses the technology effect of described elevator car door locking device Really, the unlocking of gate or shut operation independent of other machine moving systems, installs and transformation is convenient, long service life.

Brief description

Fig. 1 is the mounting structure schematic diagram of the elevator car door locking device described in the utility model embodiment；

Fig. 2 is the structural representation of the elevator car door locking device described in the utility model embodiment；

Fig. 3 is the structural representation of the latch hook mechanism described in the utility model embodiment；

Fig. 4 is the front view of the latch hook mechanism described in the utility model embodiment；

Fig. 5 is the top view of the latch hook mechanism described in the utility model embodiment；

Fig. 6 is the structural representation of the latch hook bottom deck assembly described in the utility model embodiment；

Fig. 7 is the front view of the latch hook bottom deck assembly described in the utility model embodiment；

Fig. 8 is the front view of the lock mechanism described in the utility model embodiment；

Fig. 9 state in enabling region normal switch door for the elevator car door locking device described in the utility model embodiment Schematic diagram one；

Figure 10 shape in enabling region normal switch door for the elevator car door locking device described in the utility model embodiment State schematic diagram two；

Figure 11 shape in enabling region normal switch door for the elevator car door locking device described in the utility model embodiment State schematic diagram three；

Shape when Figure 12 opens the door in non-enabling region by force for the elevator car door locking device described in the utility model embodiment State schematic diagram；

Figure 13 is for the elevator car door locking device described in the utility model embodiment when non-enabling region carries out rescuing outside the Room View.

Description of reference numerals：

10th, latch hook mechanism, 110, rotation arm body, 112, binding face, 114, clutch shaft bearing, the 116, first rotary shaft, 120th, latch hook body, 122, latch hook portion, 124, second bearing, the 126, second rotary shaft, 130, stop roller, 140, pulling force bullet Spring, 150, latch hook back-moving spring, the 160, first electric switch, 20, lock mechanism, 210, lock installing plate, 220, lock plate, 222nd, lock portion, 230, unblock drawstring, 240, lock locating part, 250, lock limiting plate, 260, lock back-moving spring, 270, the Two electric switches, 30, lance, 40, unlocking baffle plate, 50, latch hook bottom deck assembly, 510, base plate body, 520, latch hook shut spacing Part, 530, latch hook unlocking locating part, 540, turning arm close the door locating part, 550, turning arm door open limit part, 560, installing plate, 570th, the first installing hole, 1, door machine plate, 2, door strap, 3, gate.

Specific embodiment

Below embodiment of the present utility model is described in detail：

As shown in Figure 1 and Figure 2, a kind of elevator car door locking device, including latch hook mechanism 10, lock mechanism 20, lance 30 and Unlocking baffle plate 40, described latch hook mechanism 10 is used for being arranged on a machine plate 1, and described latch hook mechanism 10 can be with respect to described door machine Plate 1 rotates, and described lock mechanism 20 and described lance 30 are used for being arranged on door strap 2, described lock mechanism 20 and described lock Hook mechanism 10 interlock fit, when gate 3 is closed, described lance 30 is fitted with described latch hook mechanism 10 and is held out against described latch hook mechanism 10, described unlocking baffle plate 40 is used for being arranged on a head plate (not shown), and described unlocking baffle plate 40, lance 30 are used for and institute State latch hook mechanism 10 to coordinate, so that described latch hook mechanism 10 is located at unlocking condition or close lock status.In the present embodiment, gate 3 is closed When, lance 30 is in extreme position, fits tightly and hold out against latch hook mechanism 10 with latch hook mechanism 10, and gate 3 is opened between certain During gap, lance 30 is departed from latch hook mechanism 10.In this enforcement, the door head plate of every floor layer all corresponds to be provided with and opens described in one piece Stopper plate 40.

Above-mentioned elevator car door locking device, latch hook mechanism 10 is arranged on a machine plate 1, and what gate 3 opened or closed is moved through Cheng Zhong, the position of latch hook mechanism 10 remains stationary as, and lock mechanism 20 and lance 30 are arranged on door strap 2, can be with gate 3 Move and move, lock mechanism 20 and latch hook mechanism 10 interlock fit are realized unlocking or shutting, and unlocking baffle plate 40 is arranged on a head On plate, will not move with the motion of gate 3 and layer door, after lift car enters enabling region, gate 3 switch gate moves In, lance 30, unlocking baffle plate 40 can be coordinated with latch hook mechanism 10, and triggering latch hook mechanism 10 rotates with respect to door machine plate 1, realizes The normal door of gate 3 or normally close the door；When lift car is located at non-enabling region, unlocking baffle plate 40 cannot be with latch hook mechanism It is impossible to realize cooperation, when opening the door by force, latch hook mechanism 10 cannot be unlocked, and gate 3 can not be opened for 10 contacts.Described elevator cage door Locking device, latch hook mechanism 10 and lock mechanism 20 interlock fit are realized unlocking or shutting, lance 30, unlocking baffle plate 40 and latch hook machine Structure 10 cooperates, and realizes when gate 3 moves unlocking or the operation that shuts, and it is unlocked or the operation that shuts is independent of other doors Machine moving system, can be installed additional on the basis of not affecting former door mechanism system, be simultaneously suitable for the exploitation of new door lifter and old Gate 3 lock that installs additional of door lifter is transformed, highly versatile.Additionally, latch hook mechanism 10 and door machine plate 1 adopt rotating manner to realize fortune Dynamic, unlock or shut in operation, using being rotatably assorted, rub less, long service life at contact movement position.

As shown in Fig. 3, Fig. 4, Fig. 5, described latch hook mechanism 10 includes rotating arm body 110, latch hook body 120 and pulling force Spring 140, the first end of described rotation arm body 110 can rotate with respect to described door machine plate 1, described rotation arm body 110 The second end and described latch hook body 120 rotate and be connected, described the second end rotating arm body 110 be provided with for described lance The binding face 112 of 30 laminatings, the first end of described latch hook body 120 is for the latch hook with described lock mechanism 20 interlock fit Portion 122, described latch hook body 120 is provided with the stop roller 130 for coordinating with described unlocking baffle plate 40, when lift car position When enabling region, described stop roller 130 is located at the side away from lock mechanism 20 for the described unlocking baffle plate 40, described pulling force bullet The first end of spring 140 is connected with the middle part of described rotation arm body 110, and the second end of described tension spring 140 can be with respect to Described door machine plate 1 is fixing.In the present embodiment, when lift car is located at enabling region, gate 3 is in when closing state, stops rolling Wheel 130 maintains suitable secure fit gap in the horizontal direction and unlocking baffle plate 40 between.Described latch hook mechanism 10 and institute When stating lock mechanism 20 and being in interlocking state, between latch hook body 120 and lock mechanism 20, maintain suitable safety clearance.

Using said structure, rotating arm body 110 can provide torque rotation by tension spring 140 and lance 30, work as electricity Terraced car is in enabling region normal door or at closing time, and latch hook mechanism 10, lance 30 and unlocking baffle plate 40 can cooperate, The operation unlocked or shut is realized in gate 3 course of action.Specifically, when, before gate 3 normal door, lance 30 is in the limit Position holds out against the binding face 112 of rotation arm body 110, stops that roller 130 and unlocking baffle plate 40 maintain suitable safe distance, sedan-chair In door 3 door opening process, stop that roller 130 can be contacted and in the presence of tension spring 140 with unlocking baffle plate 40, make latch hook body 120 rotations are separated with lock mechanism 20, realize normal unlocking and open gate 3；Elevator is normal at closing time, likewise, closing in gate 3 During closing, the part such as lance 30, stop roller 130, unlocking baffle plate 40 and tension spring 140 cooperates, latch hook body 120 Reset state can be reverted to by its own gravity, latch hook body 120 and lock mechanism 20 realize shutting.When lift car is in When enabling by force in non-enabling region, unlocking baffle plate 40 is in the position stopping that roller 130 cannot touch, when opening the door by force, lock Hook body 120 will not separate with lock mechanism 20, and gate 3 can not be opened.The elevator car door locking device of the present embodiment, using upper State full machine driven system to be unlocked or shut operation, structure is simple, easy for installation, reliability is high；Unlock or shut process In contact movement position entirely using rolling cooperation, the friction between each part is little, long service life；And unlock or close lock control Independent of other door machine moving systems, can carry out installing door lock additional on the basis of not affecting former door mechanism system, can be used for newly developed Door gate lock system, can facilitate old door machine transformation to install door lock, highly versatile additional simultaneously.

Further, described latch hook mechanism 10 also includes latch hook back-moving spring 150, and the of described latch hook back-moving spring 150 One end is connected with the middle part of described turning arm, the second end of described latch hook back-moving spring 150 and the second of described latch hook body 120 End connects.By arranging latch hook back-moving spring 150, when latch hook body 120 needs to revert to reset state, latch hook body 120 Can realize resetting together with the active force of latch hook back-moving spring 150 by its own gravity, and then latch hook body 120 is effectively ensured Reset it is ensured that latch hook body 120 resets reliability.In the present embodiment, described tension spring 140, the drawing of latch hook back-moving spring 150 Stretch direction almost parallel with the length direction of described latch hook body 120.

In the present embodiment, as shown in Fig. 2, Fig. 6, Fig. 7, described elevator car door locking device also include latch hook shut spacing Part 520 and latch hook unlocking locating part 530, described latch hook shuts locating part 520 and latch hook unlocking locating part 530 is used for being arranged on door On machine plate 1, when described latch hook body 120 is in pass lock status, described latch hook body 120 shuts locating part with described latch hook 520 fit into reset state, and when described latch hook body 120 is in unlocking condition, described latch hook body 120 and described latch hook are opened Lock locating part 530 is fitted.Specifically, described latch hook shut locating part 520, latch hook unlocking locating part 530 can for caging bolt or The version of limiting plate.Shut locating part 520 and latch hook unlocking locating part 530 by arranging latch hook, can be to latch hook body 120 carry out spacing, limit the slewing area of latch hook body 120 it is ensured that latch hook body 120 is in pass lock status or during unlocking condition Stability and accuracy it is ensured that latch hook body 120 motion reliability.

Further, described elevator car door locking device also includes turning arm and closes the door locating part 540 and turning arm door open limit Part 550, described turning arm closes the door locating part 540 and turning arm door open limit part 550 is used for being arranged on a machine plate 1, when gate 3 It is in when fastening state, described rotation arm body 110 and described turning arm locating part 540 of closing the door is fitted, when gate 3 is opened necessarily During gap, described rotation arm body 110 is fitted with described turning arm door open limit.Specifically, described turning arm is closed the door locating part 540th, turning arm door open limit part 550 can be the version of caging bolt or limiting plate.Close door limiting by arranging turning arm Part 540 and turning arm door open limit part 550, can carry out spacing solid when gate 3 is in different conditions to rotation arm body 110 Fixed, limit the slewing area of rotation arm body 110 it is ensured that the limit of sports record of rotation arm body 110 is it is ensured that rotate arm body 110 The stability of motion, accuracy and reliability.

In the present embodiment, described elevator car door locking device also includes latch hook bottom deck assembly 50, described latch hook bottom deck assembly 50 Including for being arranged on the base plate body 510 on a machine plate 1, described latch hook mechanism 10 is rotated with described base plate body 510 and is connected, Second end of described tension spring 140 is connected near the one end in latch hook portion 122 with described base plate body 510, and described latch hook shuts Locating part 520, described latch hook unlocking locating part 530, described turning arm are closed the door locating part 540 and described turning arm door open limit part 550 are arranged on described base plate body 510, are arranged on a machine plate 1 by described base plate body 510.By arranging latch hook Bottom deck assembly 50, latch hook mechanism 10, latch hook shut locating part 520, latch hook unlocking locating part 530, turning arm are closed the door locating part 540 Can be directly installed on latch hook bottom deck assembly 50 with turning arm door open limit part 550, then more directly by latch hook base plate group Part 50 is arranged on a machine plate 1 installation that can achieve latch hook mechanism 10 and each locating part, and good integrity is easy for installation, especially It is applied to and old door machine is carried out install door lock transformation additional.In the present embodiment, described base plate body 510 is near the one end in latch hook portion 122 It is provided with installing plate 560, the second end of described tension spring 140 is connected with described installing plate 560.

In the present embodiment, as shown in Fig. 4, Fig. 6, described base plate body 510 is provided with the first installing hole 570, described rotation The first end of arm body 110 is provided with clutch shaft bearing 114 and the first rotary shaft 116, the first end of described rotation arm body 110 and institute The outer ring stating clutch shaft bearing 114 connects, and one end of described first rotary shaft 116 is arranged in the inner ring of described clutch shaft bearing 114, The other end of described first rotary shaft 116 is arranged in described first installing hole 570.Rotation arm body 110 passes through clutch shaft bearing 114 realize being connected with the rotation of base plate body 510 with the first rotary shaft 116, and connected mode is simple and reliable, and rotates arm body 110 in rotation process, will not produce friction, not easy to wear, long service life with base plate body 510.Further, described lock Hook body 120 is provided with second bearing 124 and the second rotary shaft 126, described latch hook body 120 and described second bearing 124 Outer ring connects, and one end of described second rotary shaft 126 is connected with the inner ring of described second bearing 124, described second rotary shaft 126 The other end with described rotation arm body 110 the second end be connected.Likewise, latch hook body 120 is passed through with rotation arm body 110 Second bearing 124, the second rotary shaft 126 are realized rotating and are connected, and connected mode is simple and reliable, and in rotation process, latch hook is originally Body 120 will not produce friction, not easy to wear, long service life with rotation arm body 110.

In the present embodiment, as shown in Fig. 2, Fig. 8, described lock mechanism 20 include lock installing plate 210 and with described lock Seat installing plate 210 rotates the lock plate 220 connecting, and the first end of described lock plate 220 is for mutual with described latch hook body 120 The lock portion 222 of lock cooperation, described lock portion 222 is provided with unblock drawstring 230, and the second end of described lock plate 220 is provided with lock Seat locating part 240, described lock installing plate 210 is used for being arranged on door strap 2, and described lock installing plate 210 is provided with and institute State the lock limiting plate 250 of lock locating part 240 cooperation, and for making described lock plate 220 revert to the lock of reset state Seat back-moving spring 260, described lock back-moving spring 260 holds out against described lock plate towards the reset direction of described lock plate 220 220.When lift car is in non-enabling region, needs to rescue outside the Room, can first open layer door, pull unblock drawstring 230 to make lock Seat board 220 compression lock back-moving spring 260 simultaneously rotates around lock installing plate 210, and when lock plate 220, to turn to described lock spacing Part 240 touches and stops during lock limiting plate 250, now realizes between lock mechanism 20 and latch hook body 120 unlocking, Ran Houke By manual, gate 3 is opened, realize rescue outside the Room.Using said structure, it is easy to lift car and realizes when non-enabling region Rescue outside the Room, using safety, by arranging lock locating part 240 and lock limiting plate 250, the operation of lock plate 220 can be entered Go spacing, when carrying out unlocking operation, operation is simple and reliable, by arranging lock back-moving spring 260, be easy to lock plate 220 oneself Dynamic reset, easy to operate, lock plate 220 resets reliability.

Further, as shown in Fig. 2, Fig. 3, Fig. 8, it is provided with described latch hook mechanism 10 and the cooperation of described lock mechanism 20 First electric switch 160, is provided with and described first electric switch at described lock mechanism 20 and the cooperation of described latch hook mechanism 10 Second electric switch 270 of 160 cooperations.Specifically, described first electric switch 160 is arranged at latch hook portion 122, and described second Electric switch 270 is arranged at lock portion 222.When latch hook mechanism 10 and lock mechanism 20 are to close lock status, first electrically opens Close 160 and contact closure with the second electric switch 270；When latch hook mechanism 10 is unlocking condition with lock mechanism 20, first is electric Switch 160 separates disconnection with the second electric switch 270.By arranging the first electric switch 160 and the second electric switch 270, can The locked state of the elevator car door locking device of this enforcement is verified in cooperation, and the interlock fit of latch hook mechanism 10 and lock mechanism 20 is more Reliable.

The operation principle of the elevator car door locking device described in the present embodiment is as follows：

1st, lift car is in enabling region normal door：

As shown in figure 9, when gate 3 is not switched on, lance 30 holds out against latch hook mechanism 10, lance 30 and rotation positioned at extreme position The binding face 112 of arm body 110 is fitted, and latch hook body 120 and latch hook shut locating part 520 and fit into reset state, turning arm Body 110 and turning arm locating part 540 of closing the door is fitted, and stops that roller 130 and unlocking baffle plate 40 have suitable safe distance (such as 8mm), latch hook mechanism 10 and lock mechanism 20 are in reset state interlock fit, latch hook portion 122 and the lock machine of latch hook body 120 Cooperation spacing setting analog value (as 2mm), the first electric switch 160 and the second electric switch between the lock portion 222 of structure 20 270 contact closures.

Further, as shown in Figure 10, during door-opened elevator, one piece of gate 3 of car to a side shifting, in the present embodiment, Illustrate for convenience of description, setting this gate 3 mobile to the right is to open the door, and mobile to the left side is to close the door.Gate 3 moved right Cheng Zhong, lance 30 and lock mechanism 20 move right with gate 3, due to the binding face 112 of lance 30 and rotation arm body 110 Laminating, is affected by tension spring 140, and rotation arm body 110 rotates counterclockwise around the first rotary shaft 116, when gate 3 enabling one During fixed gap, the rotation enough ambassadors of arm body 110 rotational angle stop that roller 130 is contacted with unlocking baffle plate 40.Now, elevator is opened Door gap is L1 (as 8*2mm), and latch hook body 120 and latch hook shut locating part 520 and be still fitted in reset state, latch hook mechanism 10 with lock mechanism 20 still in reset state interlock fit, coordinate spacing to still remain in (2mm) about the value of setting.

Further, as shown in figure 11, lance 30 and lock mechanism 20 continue to move right with gate 3, lance 30 with The binding face 112 of rotation arm body 110 is still fitted, and stops roller 130 due to contacting no longer with turning arm with unlocking baffle plate 40 Body 110 rotates, and the drag torque of tension spring 140 is common more than the pulling force of latch hook back-moving spring 150 and the gravity of latch hook body 120 With produce moment, and then make rotation arm body 110 around the first rotary shaft 116 rotate counterclockwise while, latch hook body 120 Rotate counterclockwise around the second rotary shaft 126, until latch hook body 120 is contacted with latch hook unlocking locating part 530.Now, elevator is opened Door gap is L2 (as 8*2mm+6*2mm), and latch hook mechanism 10 is in unlocking condition, and lock mechanism 20 is still in reset state, complete Become unlocking action, the first electric switch 160 and the second electric switch 270 to separate to disconnect.When lance 30 and lock mechanism 20 continue When moving right, lance 30 is separated with the binding face 112 of rotation arm body 110, and latch hook body 120 will keep unlocking condition no longer Action, elevator normal door is until fully opening.

2nd, lift car is normal at closing time in enabling region：

As shown in figure 11, when elevator normally close the door enabling gap be L2 when (as 8*2mm+6*2mm), the first electric switch 160 and second electric switch 270 be still to separate off-state, lance 30 starts to paste with the binding face 112 of rotation arm body 110 Close.Lance 30 and lock mechanism 20 continue to be moved to the left with gate 3, because the moment that door closing force produces is more than tension spring 140 generation moments, make rotation arm body 110 around the first rotary shaft 116 rotate clockwise while, latch hook body 120 also around Second rotary shaft 126 rotates clockwise, when latch hook body 120 and latch hook shut locating part 520 and contact, latch hook body 120 Revert to reset state, the enabling gap of elevator is L1 (as 8*2mm), latch hook mechanism 10 and lock mechanism 20 interlock fit, the One electric switch 160 contacts closure with the second electric switch 270, as shown in Figure 10.

Further, as shown in Figure 10, lance 30 and lock mechanism 20 continue to be moved to the left, lance 30 and rotation arm body 110 binding face 112 continues laminating, and rotation arm body 110 continues around the first rotary shaft 116 and rotates clockwise, latch hook body 120 Also therewith to left, stop that roller 130 starts to separate until fastening door completely with unlocking baffle plate 40.Now, rotate arm body 110 are fitted with turning arm locating part 540 of closing the door, and stop that roller 130 and unlocking baffle plate 40 keep suitable safe distance (as 8mm), Latch hook mechanism 10 returns to arranges value (as 2mm) with the cooperation spacing of lock mechanism 20, and door lock returns to elevator and fastens door state, such as schemes Shown in 9.

3rd, lift car is when opening the door by force in non-enabling region：

As shown in figure 12, when non-enabling region, unlocking baffle plate 40 is in the position stopping that roller 130 cannot touch to elevator Put.When pass door state is opened the door by force, lance 30 and lock mechanism 20 move right, the patch of lance 30 and rotation arm body 110 Fitting in conjunction face 112, is affected by tension spring 140, and rotation arm body 110 rotates counterclockwise around the first rotary shaft 116, and latch hook is originally Body 120 also therewith to right translation, when elevator cage door 3 is opened certain interval (as 8*2+8*2mm), rotation arm body 110 with Turning arm door open limit part 550 is fitted, and rotation arm body 110 will not rotate any more, therefore latch hook body 120 also can not be put down to the right again Move, because the latch hook portion 122 of latch hook mechanism 10 has cooperation spacing with the lock portion 222 of lock mechanism 20, gate 3 can also continue to Open, till colliding and fit in latch hook portion 122 and lock portion 222, each part cannot reoperate, and gate 3 cannot be opened, period First electric switch 160 is always maintained at contacting closure state with the second electric switch 270.Now, between elevator cage door 3 is opened Gap (as 8*2+8*2+2*2=36mm of embodiment) is less than GB 50mm and requires, and ensure that passenger safety.

4th, lift car is when enabling region carries out rescuing outside the Room：Unlock or the mode that shuts and normal door, at closing time Unlocking, to shut mode the same.

5th, lift car is when non-enabling region carries out rescuing outside the Room：

As shown in figure 13, pull unblock drawstring 230, so that lock plate 220 is compressed lock back-moving spring 260 and install around lock Plate 210 rotates, and stops when described lock locating part 240 touches lock limiting plate 250 when lock plate 220 turns to, now, lock Realize between seat mechanism 20 and latch hook body 120 unlocking, then by manual, gate 3 can be opened, realize rescue outside the Room.

As shown in figure 1, a kind of elevator, including lift car, the door head plate located at every floor layer and electricity described above Terraced car door locking device, described lift car includes gate 3, door machine plate 1 and door strap 2.Described elevator, including described above Elevator car door locking device, possesses the technique effect of described elevator car door locking device, the unlocking of gate 3 or shut operation independent of it His machine moving system, installs and transformation is convenient, long service life.

Each technical characteristic of embodiment described above can arbitrarily be combined, for making description succinct, not to above-mentioned reality The all possible combination of each technical characteristic applied in example is all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all it is considered to be the scope of this specification record.

Embodiment described above only have expressed several embodiments of the present utility model, and its description is more concrete and detailed, But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that the common skill for this area For art personnel, without departing from the concept of the premise utility, some deformation can also be made and improve, these broadly fall into Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be defined by claims.

Claims (10)

1. a kind of elevator car door locking device is it is characterised in that include latch hook mechanism, lock mechanism, lance and unlocking baffle plate, institute State latch hook mechanism to be used for being arranged on a machine plate, described latch hook mechanism can rotate with respect to described door machine plate, described lock machine Structure and described lance are used for being arranged on door strap, described lock mechanism and described latch hook mechanism interlock fit, when gate is closed, Described lance is fitted with described latch hook mechanism and is held out against described latch hook mechanism, and described unlocking baffle plate is used for being arranged on a head plate, Described unlocking baffle plate, lance are used for and the cooperation of described latch hook mechanism, so that described latch hook mechanism is located at unlocking condition or close lock status.

2. elevator car door locking device according to claim 1 is it is characterised in that described latch hook mechanism includes turning arm originally Body, latch hook body and tension spring, the first end of described rotation arm body can rotate with respect to described door machine plate, described rotation Second end of pivoted arm body is rotated with described latch hook body and is connected, and the second end of described rotation arm body is provided with for being hit with described The binding face of bar laminating, the first end of described latch hook body is for the latch hook portion with described lock mechanism interlock fit, described Latch hook body is provided with for the stop roller with described unlocking baffle fit, when lift car is located at enabling region, described Stop that roller is located at the side away from lock mechanism for the described unlocking baffle plate, the first end of described tension spring is with described turning arm originally The middle part of body connects, and the second end of described tension spring can be fixed with respect to described door machine plate.

3. elevator car door locking device according to claim 2 shuts locating part and latch hook it is characterised in that also including latch hook Unlocking locating part, described latch hook shuts locating part and latch hook unlocking locating part is used for being arranged on a machine plate, when described latch hook basis When body is in pass lock status, described latch hook body and described latch hook shut locating part and fit into reset state, when described latch hook basis When body is in unlocking condition, described latch hook body is fitted with described latch hook unlocking locating part.

4. elevator car door locking device according to claim 3 is closed the door locating part and rotation it is characterised in that also including turning arm Pivoted arm door open limit part, described turning arm closes the door locating part and turning arm door open limit part is used for being arranged on a machine plate, works as sedan-chair Door is in when fastening state, and described rotation arm body and described turning arm locating part of closing the door is fitted, when gate opens certain interval When, described rotation arm body is fitted with described turning arm door open limit.

5. elevator car door locking device according to claim 4 is it is characterised in that also include latch hook bottom deck assembly, described lock Hook bottom deck assembly includes for being arranged on the base plate body on a machine plate, and described latch hook mechanism is rotated even with described base plate body Connect, the second end of described tension spring is connected near the one end in latch hook portion with described base plate body, described latch hook shut locating part, Described latch hook unlocking locating part, described turning arm close the door locating part and described turning arm door open limit part is arranged at described base plate On body.

6. elevator car door locking device according to claim 5 is it is characterised in that described base plate body is provided with the first installation Hole, the first end of described rotation arm body is provided with clutch shaft bearing and the first rotary shaft, the first end of described rotation arm body and institute The outer ring stating clutch shaft bearing connects, and one end of described first rotary shaft is arranged in the inner ring of described clutch shaft bearing, and described first The other end of rotary shaft is arranged in described first installing hole.

7. the elevator car door locking device according to any one of claim 2-6 is it is characterised in that described latch hook body is provided with Second bearing and the second rotary shaft, described latch hook body is connected with the outer ring of described second bearing, and the one of described second rotary shaft End is connected with the inner ring of described second bearing, and the other end of described second rotary shaft is connected with the second end of described rotation arm body Connect.

8. the elevator car door locking device according to any one of claim 2-6 is it is characterised in that described lock mechanism includes locking Seat installing plate and rotate the lock plate that is connected with described lock installing plate, the first end of described lock plate be for described lock The lock portion of hook body interlock fit, described lock portion is provided with unblock drawstring, and the second end of described lock plate is provided with lock limit Position part, described lock installing plate is used for being arranged on door strap, and described lock installing plate is provided with is joined with described lock locating part The lock limiting plate closing, and for making described lock plate revert to the lock back-moving spring of reset state, described lock resets Spring holds out against described lock plate towards the reset direction of described lock plate.

9. the elevator car door locking device according to any one of claim 1-6 it is characterised in that described latch hook mechanism with described Be provided with the first electric switch at the cooperation of lock mechanism, be provided with described lock mechanism and the cooperation of described latch hook mechanism with described Second electric switch of the first electric switch cooperation.

10. a kind of elevator is appointed it is characterised in that including lift car, the door head plate located at every floor layer and claim 1-9 Elevator car door locking device described in one, described lift car includes gate, door machine plate and door strap.