CN204689331U - Mechanical car door locking device - Google Patents

Abstract

A mechanical car door locking device, used for locking the car door, comprising: a first engaging blade fixed vertically on the side of the car door panel near the hoistway; and a pushing part arranged at the landing The side of the door near the hoistway also has: a second engaging blade, which is arranged on the first engaging blade through a connecting member in a manner that can move in the door opening direction and the door closing direction relative to the first engaging blade, and is located at a lower position than the first engaging blade. The blade is close to the side of the door opening direction and can be in contact with the pushing part; the first unlocking part is fixed to the second engaging blade and extends toward the door closing direction; The first protruding part, the rotating shaft, and the hook-shaped part that can rotate upward around the rotating shaft when the first unlocking part pushes the first protruding part are rotatably fixed to the first engaging blade via the rotating shaft, and extend toward the door closing direction; and The car door lock supporting part is fixed to the car, and is used for supporting the car door lock and hooking the hook-shaped part.

Description

Mechanical car door locking device

technical field

The utility model relates to a mechanical car door locking device.

Background technique

In an elevator system, a landing door and a car door are provided, and a landing door locking mechanism is provided on the landing door to prevent passengers on the landing side from easily opening the landing door.

However, sometimes the car door is not provided with a locking device. In this case, passengers sitting in the car can easily open the car door when the elevator is running, which is dangerous for the passengers.

In contrast, conventionally, there is a structure in which a car door is provided with a locking device that controls locking and unlocking by an electromagnetic actuator.

In addition, there is also a mechanical car door locking device that separates the locking device for locking the car door from the engaging vane for engaging the car door with the landing door, and the actuation power input function. It is installed, that is, installed on the elevator door suspending plate, and the force is transmitted between the engaging blade and the locking device or the like by means of a rod (see Patent Document 1).

Patent Document 1: Announcement CN1289382C

However, as mentioned above, in the locking device using the electromagnetic actuator, the size of the electromagnetic actuator is usually large, and when installed in the car, it takes up a large space, and the operability of the maintenance personnel during maintenance is poor. , In addition, the electromagnetic actuator is an electrical device, and its cost is higher than that of a mechanical structure, usually 3 to 4 times the cost of a mechanical structure.

In addition, in the above-mentioned structure of Patent Document 1, the locking device and the like are arranged on the elevator door suspending plate and are set separately from the engaging vane, which takes up a large space on the elevator door, and a rod is used to connect the engaging vane and the locking device. The force is transmitted between them, and its structure is more complicated.

Utility model content

Therefore, in view of the above problems, an object of the present invention is to provide a mechanical car door locking device that can control the opening and closing of the car door by providing a locking device with a simple structure on the existing engaging blade.

The mechanical car door locking device of the first scheme is used to lock the car door, and has: a first engaging blade fixed on the side of the car door panel on the side of the hoistway along the vertical direction; and a pushing part provided with On the hoistway side of the landing door, there is further provided: a second engaging vane, which is provided on the first engaging vane via a connecting member so as to be movable in a door opening direction and a door closing direction relative to the first engaging vane , located on the door opening direction side of the first engaging blade, and capable of abutting against the pressing portion; the first unlocking member is fixed to the second engaging blade, and extends toward the door closing direction; the car door lock has The first protruding member for coming into contact with the first unlocking member, the rotating shaft, and the hook-shaped portion that can rotate upward around the rotating shaft when the first unlocking member pushes the first protruding member. The rotating shaft is rotatably fixed to the first engaging blade and extends toward the door closing direction; and a car door lock support member fixed to the car for supporting the car door lock and hooking the hook portion.

A mechanical car door locking device according to a second aspect is, in the mechanical car door locking device according to the first aspect, further comprising a third engaging blade connected to the first engaging blade via a connecting rod, and the third engaging blade is connected to the first engaging blade through a connecting rod. The engaging vane is located on the door-opening direction side of the second engaging vane, and the third engaging vane can be moved in the door-opening direction and the door-closing direction relative to the first engaging vane by the rotation of the connecting rod. When moving, the pressing part can pass between the second engaging vane and the third engaging vane.

In the mechanical car door locking device according to a third aspect, in the mechanical car door locking device according to the second aspect, the pressing portion is a roller in an interlock mechanism for opening and closing a landing door.

A mechanical car door locking device according to a fourth aspect is, in the mechanical car door locking device according to the second aspect, further comprising a fourth engaging blade connected to the third engaging blade via a connecting rod, and the fourth engaging blade is connected to the third engaging blade through a connecting rod. The engaging blade is located between the third engaging blade and the second engaging blade, and the fourth engaging blade can be moved in the door opening direction and the door closing direction relative to the first engaging blade by the rotation of the connecting rod, A second unlocking member is fixed on the fourth engaging blade, and the second unlocking member is rotatably connected to the car door lock in such a manner that the car door lock can rotate around its rotating shaft.

In the mechanical car door locking device of the fifth aspect, in the mechanical car door locking device of the first aspect, the above-mentioned connecting member is a pair of plate-shaped members, and the pair of plate-shaped members are respectively located in the second engaging position. There are engagement holes near both ends of the blade and at both ends in the longitudinal direction, and each plate-shaped member is formed by connecting the shaft formed on the first engaging blade and the shaft formed on the second engaging blade to each other. The above-mentioned engaging holes on the two ends of the two ends are engaged in a rotatable manner, thereby rotating the pair of plate-shaped members, so that the above-mentioned second engaging blade can move towards the door-opening direction relative to the first engaging blade. Move in the direction of closing the door.

In the mechanical car door locking device of the sixth aspect, in the mechanical car door locking device of the first aspect, the hook portion is located at an end of the car door lock in the door closing direction, and the rotating shaft is located at the end of the car door lock. In the end portion of the door lock in the door opening direction, the first protruding member is located between the hook portion and the rotating shaft, and is located below the rotating shaft in the vertical direction.

A seventh aspect of the mechanical car door locking device is the mechanical car door locking device of the first aspect, wherein a weight is detachably provided on an upper portion of the hook portion.

The mechanical car door locking device of the eighth aspect is that, in the mechanical car door locking device of the first to seventh aspects, the above-mentioned car door lock further has a second protruding part, and the second protruding part is unlocked by manual unlocking. The abutment of the parts enables the above-mentioned car door lock to rotate upward.

In the mechanical car door locking device according to claim 9, in the mechanical car door locking device according to claim 8, the second protruding member is located between the hook-shaped portion and the rotating shaft.

In the mechanical car door locking device of the tenth aspect, in the mechanical car door locking device of the first to seventh aspects, the car door lock further has a hole and is connected to the car door by passing through the hole. The rope member of the lock can rotate the car door lock upward by pulling the rope member.

In an eleventh aspect of the mechanical car door locking device, in the tenth aspect, the hole of the car door lock is located on a side opposite to the hook portion with respect to the rotation shaft.

Utility Model Effect

According to the above-mentioned first solution, by adding a second engaging blade capable of moving in the door opening direction and the door closing direction on the first engaging blade, and setting the car door lock rotatably on the first engaging blade, it is possible to simply The unique mechanical structure realizes the locking structure for locking the car door, and at the same time omits electrical components such as electromagnetic actuators, saving costs.

According to the above-mentioned second aspect, by providing the third engaging vane and allowing the pressing portion to pass between the second engaging vane and the third engaging vane, the landing door and the car door can be moved in conjunction with each other.

According to the above-mentioned third aspect, by using the roller in the interlock mechanism for opening and closing the landing door as the roller abutting against the second engaging vane, it is possible to realize unlocking of the landing door and realize Unlocking of the car door.

According to the above-mentioned fourth solution, by setting the fourth engaging blade on the third engaging blade and fixing the second unlocking component on the fourth engaging blade, when the car is running abnormally, when the car is in the unlocking position, When inside the area, rescuers on the landing side can manually unlock the car door locks.

According to the above-mentioned fifth aspect, by forming the connecting member in a plate shape and rotating the shaft by engaging the hole in the connecting member, the movement of the second engaging blade relative to the first engaging blade can be achieved with a simple structure. Movement in the direction of door opening and door closing.

According to the above-mentioned sixth aspect, by positioning the first protruding member between the hook portion and the rotating shaft and below the rotating shaft in the vertical direction, when the unlocking member fixed to the second engaging blade abuts against the first protruding member, At this time, the hook-shaped portion can be rotated upward with a small force, so that the unlocking of the car door locking device can be easily realized.

According to the above-mentioned seventh aspect, since the weight is detachably provided on the upper portion of the hook portion, the unlocking force of the car door locking device can be adjusted by replacing the weight with a different weight.

According to the above-mentioned eighth solution, by setting the second protruding part on the car door lock that can be in contact with the manual unlocking part, when the car door lock is in the unlocking area, the maintenance personnel on the landing side will open the landing In the state of the door, the car door locking device can be manually unlocked by causing the manual unlocking plate fixed on the safety contact plate, that is, the manual unlocking member to interfere with the second protruding member.

According to the above-mentioned ninth aspect, by positioning the second protruding member between the hook portion and the rotating shaft, the manual unlocking plate, that is, the manual unlocking member can be easily inserted to realize unlocking of the car door locking device.

According to the above-mentioned tenth solution, by providing a hole in the car door lock and a rope member connected to the hole, when the car door lock is in the unlocking area, the maintenance personnel on the landing side will open the landing door. Next, the car door locking device can be manually unlocked by pulling the rope member to rotate the car door lock upward.

According to the above-mentioned eleventh proposal, by making the hole of the car door lock on the opposite side to the hook with respect to the rotating shaft, that is to say, making the hole and the hook on both sides of the rotating shaft, the car can be moved by pulling down the rope member. The door lock turns upwards, thereby easily realizing the unlocking of the car door locking device.

Description of drawings

Fig. 1 is a perspective view illustrating a car door locking device according to a first embodiment of the present invention.

Fig. 2 is a partial front view for explaining the main structure of the car door locking device.

3a to 3e are diagrams for explaining the process of normal unlocking of the car door lock in the unlocking area.

Fig. 4 is a front view for explaining the structure of a car door lock in the car door locking device according to the second embodiment.

Fig. 5 is a front view for explaining the structure of a car door lock in the car door locking device according to the third embodiment.

Fig. 6 is a partial front view for explaining the main configuration of a car door locking device according to a fourth embodiment.

Fig. 7a and Fig. 7b are diagrams for explaining the unlocking process of the car door locking device according to the fourth embodiment.

Detailed ways

Embodiments of the present utility model will be described in detail below according to the accompanying drawings.

first embodiment

FIG. 1 shows a perspective view of a car door locking device 10 according to an embodiment of the present invention. FIG. 2 is a partial front view showing the main structure of the car door locking device 10 .

FIG. 1 shows a partial perspective view of the car 1 viewed from the landing side when a landing door, a landing, and the like are omitted. In this FIG. 1 , the door opening direction and the door closing direction of the car door are shown. As shown in the figure, the arrow toward the upper left in the figure is the door opening direction, and the arrow toward the lower right is the door closing direction.

On the car door panel 11, on the side near the hoistway, along the surface of the car door panel 11, a door stop side engaging blade 12 is fixed along the vertical direction, and in addition, a door window box side is provided parallel to the door stop side engaging blade 12. The engaging blade 13 on the side of the door and window box is located on the side of the door opening direction than the engaging blade 12 on the door stop side. An upper link 14 that rotatably connects the upper parts of the blades 13 to each other and a lower link 15 that rotatably connects the lower parts of the engaging blades 12 and 13 to each other constitute a parallel link. The two engagement blades 12 and 13 are arranged to protrude toward the landing.

An inner engaging blade 16 is arranged on the engaging blade 12 on the door stop side. The hinge blade 12 is on the side of the door opening direction. As shown in FIG. 2, the inner blade 16 is arranged on the doorstop side latch blade 12 (in FIG. In order to clearly show each structure, the middle part of the engaging blade 12 on the side of the door stop is omitted). Shafts 19, 20 are arranged near the upper and lower ends of the inside engaging blade 16, and shafts 21, 22 are arranged near the upper and lower ends of the door stop side engaging blade 12, wherein the shafts 19, 21 are arranged on the plate-shaped member. Engagement holes 23 and 25 at both ends in the longitudinal direction of 17 are rotatably engaged, and shafts 20 and 22 are rotatably engaged with engaging holes 24 and 26 provided at both ends in the longitudinal direction of plate member 18 . As a result, the plate members 17 and 18 are rotatable, so that the inner engaging blade 16 can move in the door opening direction and the door closing direction relative to the doorstop side engaging blade 12 .

As shown in FIG. 2 , on the inside engagement blade 16 , an unlocking member 27 extending toward the door closing direction is fixedly provided. The unlocking member 27 consists of an unlocking lever 27 a extending in the horizontal direction and an unlocking plate 27 b extending in the vertical direction. Formed so as to form an inverted L shape. Along with the inner engaging vane 16 moves towards the door closing direction relative to the doorstop side engaging vane 12, the unlocking member 27 also moves towards the door closing direction, and the unlocking plate 27b pushes the unlocking pin 31 formed on the car door lock 30 (specifically will be described later).

In addition, in this embodiment, the unlocking member 27 is constituted by the unlocking lever 27a and the unlocking plate 27b and is formed in an inverted L shape, but it may also be composed of only the unlocking lever 27a extending in the horizontal direction, and the unlocking member 27 may be pushed and unlocked by the unlocking lever 27a. pin 31. In addition, the unlock member 27 may be formed in another shape as long as it can press the unlock pin 31 when moving in the door-closing direction with respect to the doorstop-side engaging blade 12 .

As shown in FIG. 1 or FIG. 2 , the car door lock 30 has an unlock pin 31 , a rotating shaft 32 and a hook portion 33 . The car door lock 30 is rotatably fixed to the doorstop-side engaging blade 12 via a rotating shaft 32, and is formed to extend in the door closing direction. The unlock pin 31 is in contact with the unlock plate 27 b of the unlock member 27 . Wherein, the hook-shaped portion 33 is positioned at the end of the door-closing direction of the car door lock 30, the rotating shaft 32 is positioned at the end of the door-opening direction of the car door lock 30, and the unlocking pin 31 is positioned between the hook-shaped portion 33 and the rotating shaft 32, and It is located below the rotating shaft 32 in the vertical direction.

In addition, in the present embodiment, the unlock pin 31 is formed in a pin shape, but may be formed in other protruding shapes that can be pressed against the unlock member 27 .

The striker 34 is fixedly provided on a door base plate 35 provided on the car 1 . The lock catch 34 extends toward the hoistway side (also the landing side) in the shape of a square column, and supports the car door lock 30 . When the car door lock 30 is locked, the lock catch 34 is separated from the hook 33 by a certain distance in the horizontal direction, and when a passenger etc. pulls the hook in the direction of opening the door with his or her hand when the car door is locked. When opening the door, the locker 34 is hooked (engaged) with the hook portion 33 to restrict the opening of the car door and lock the car door satisfactorily.

In FIGS. 1 and 2 , the lock 34 is shown as a square column, but the lock 34 may be in a shape such as a cuboid or a prism that can engage the hook 33 and support the car door lock 30 .

When unlocking, as the unlocking member 27 moves toward the door-closing direction relative to the doorstop-side engagement blade 12, the unlocking plate 27b pushes the unlocking pin 31, and the car door lock 30 as a whole rotates upward, so that the hook portion 33 also Turn upwards to unlock the car door lock 30 to the car door.

As shown in FIG. 1 , a weight 36 is disposed above the hook portion 33 , and the weight 36 is detachably arranged, and the unlocking force of the car door lock 30 can be adjusted by replacing the weight 36 with different weights.

The landing door device (not shown) has an interlock mechanism 50 for opening and closing the landing door. As shown in Figure 2 (not shown in Figure 1), the interlock mechanism 50 has a roller 51 fixed to the landing door in a rotatable manner, a roller 52 above the roller 51, and a roller extending in the door closing direction. The locking bar 53 and the locking hook 54 located at the front end of the locking bar 53 . When the car moves up and down, the roller 51 and the roller 52 can pass between the inner engaging vane 16 and the door case side engaging vane 13 .

During the process of opening and closing the elevator doors, the side engaging vanes 13 and the inner engaging vanes 16 of the door and window box clamp the rollers 51 and 52, so that the landing doors are opened or closed under the drive of the car door to realize the elevator. open and close the door.

The force for rotating the car door lock 30 , that is, the unlocking force for the car door is set to be greater than the force for rotating the interlock mechanism 50 , that is, the unlocking force for the landing door.

Specifically, the unlocking and engaging process of the elevator door will be described with reference to Fig. 3a to Fig. 3e. 3a to 3e are diagrams for explaining the process of normal unlocking of the car door lock in the unlocking area. In addition, the inside of the unlocking area refers to a state in which the roller 51 and the roller 52 are located between the doorstop-side engaging blade 12 and the door case-side engaging blade 13 .

During the door opening process, as shown in Figure 3a, the car door panel 11 moves towards the door opening direction under the action of the door opening motor, etc., so that the inner engaging blade 16 fixed on the car door panel 11 also moves towards the door opening direction, as shown in the figure As shown in 3b, the inner engaging blade 16 abuts against the door closing direction side of the roller 52, so that the roller 52 is pressed toward the door opening direction side by the inner engaging blade 16. As shown in FIG. 51 rotates (rotates counterclockwise in FIG. 3c ), thereby causing the locking lever 53 and the locking hook 54 to rotate upwards, releasing the engagement between the locking hook 54 and the locking member not shown, thereby releasing the floor. The lock of the door.

Then, as shown in FIG. 3d, the inner engaging vane 16 moves further towards the door opening direction, and the roller 52 in the unlocked state of the landing door contacts the stopper not shown and no longer rotates around the axis of the roller 51. In addition, Since the unlocking plate 27b of the unlocking member 27 fixed to the inner engaging vane 16 abuts against the unlocking pin 31 on the car door lock 30, the pair of plate members 17, 18 are rotated clockwise, and the inner latch is locked. The closing blade 16 moves toward the door closing direction, and the unlocking plate 27b of the unlocking part 27 fixed on the inside engaging blade 16 presses the unlocking pin 31, so that the car door lock 30 rotates upward around the rotating shaft 32 (in the counterclockwise direction in FIG. 3d ). , as shown in FIG. 3e, the lock of the car door lock 30 is released.

During the door closing process, the car door moves toward the door closing direction under the action of the door motor, etc., so that the rollers 51 and 52 abut against the engaging blades 13 on the side of the window box, and the landing door also moves toward the door closing direction together. When the landing door and the car door move together until they are about to close, the landing door does not move together with the car door, but is moved along the door closing direction under the action of the weight, and the roller 51 and the roller 52 press the inner engaging blade 16, so that The lock hook 54 of the landing door and the hooked portion 33 of the car door lock 30 remain raised, that is, the state after the interlock mechanism 50 is rotated and the state after the car door lock 30 is rotated in FIG. 3 e are maintained. . When the car door and landing door are about to close, the door window box side engagement vane 13 is rotated leftward and downward via the upper link 14 and the lower link 15 (in the counterclockwise direction in FIG. 3e ) by a guide mechanism not shown in the figure. , the distance between the side engaging blade 13 of the door and window box and the inner engaging blade 16 is expanded, so that the pressing force between the roller 51 and the inner engaging blade 16 becomes smaller, and the lock hook 54 of the landing door rotates downward, that is, Clockwise rotation realizes the locking of the landing door, and accordingly, the hook portion 33 of the car door lock 30 also rotates downward, ie clockwise, to realize the locking of the car door.

However, in the process of closing the door, the locking of the relevant car door locking device 10 can also be as follows: when the car door panel 11 moves towards the door closing direction, the doorstop side engaging blade 12 fixed on the car door panel 11 also moves toward the door. The door closing direction moves, and the roller 52 is not abutted against the inside engaging blade 16, so that the unlocking plate 27b of the unlocking member 27 does not press the unlocking pin 31 of the car door lock 30. At this time, the car door lock 30 passes through the The stop portion shown in the figure prevents it from rotating downward and is in a horizontal state as shown in FIG. As shown in FIG. 2, the inclined surface of the hook portion 33 abuts against the lock catch 34, and the hook portion 33 rotates upwards, and as the car door lock 30 moves further toward the door closing direction, the hook portion 33 goes over. Lock catch 34, thereby realizes the locking of car door.

In addition, when the elevator car is outside the unlocking area, the roller 51 and the roller 52 are not between the engaging blade 12 on the doorstop side and the engaging blade 13 on the door window box side. The door panel 11 drives the car door lock 30 to move along the door opening direction, but since there is no roller between the engaging vane 12 on the door stop side (that is, the inner engaging vane 16) and the engaging vane 13 on the door window box side, the car cannot be released. The locking of the door, when the car door panel 11 moves the gap between the hook 33 and the lock 34 (as shown in Figure 2), the hook 33 abuts against the lock 34 to stop the movement of the car door, Therefore, the car door will not be largely opened, and the safety of passengers can be ensured.

What the roller that presses the inner engaging vane 16 uses is the roller in the interlock mechanism 50, but also can use the roller that is fixedly arranged on the landing door side, as long as it can be engaged with the inner vane during the opening process of the car door. 16 contact and press the roller.

As mentioned above, the pair of plate-shaped components 17, 18 are rotated through the cooperation of the hole axis, so that the inner engaging blade 16 can face the door opening direction relative to the door stop-side engaging blade 12. and door closing direction. However, other configurations are also possible. For example, pins are respectively provided on the inner engaging vane 16 and the door stop side engaging vane 12, and a slide groove for sliding the pin of the inner engaging vane 16 is provided on the car. In this chute, a spring is arranged between the pins respectively provided on the inner engaging vane 16 and the door stop side engaging vane 12, thereby realizing that the inner engaging vane 16 is relatively locked with respect to the door stop side engaging vane 12. Movement in the direction of door opening and door closing.

As mentioned above, the inner engaging vane 16 is arranged parallel to the doorstop side engaging vane 12, but the inner engaging vane 16 may not be parallel to the doorstop side engaging vane 12 as long as it is arranged so that the inner engaging vane 16 faces It only needs to be able to move the blade 12 on the side of the doorstop to be able to move in the door opening direction and the door closing direction.

In this embodiment, by adding an inner engaging vane 16 capable of moving in the door opening direction and the door closing direction on the door stop side engaging vane 12, and the car door lock 30 is rotatably arranged on the door stop side engaging vane 12. The locking structure for locking the car door can be realized with a simple mechanical structure, and at the same time, electrical components such as electromagnetic actuators are omitted, which saves costs.

In the present embodiment, by rotating the shafts in the holes of the pair of plate members 17 and 18 , the inner engaging vane 16 can be turned in the door-opening direction with respect to the doorstop-side engaging vane 12 with a simple structure. and movement in the closing direction.

In this embodiment, by positioning the unlock pin 31 between the hook portion 33 and the shaft 32 and below the shaft 32 in the vertical direction, when the unlock plate 27b of the unlock member 27 fixed to the inner engagement blade 16 When abutting against the unlocking pin 31, the hook-shaped portion 33 can be rotated upward with a small force, so that the unlocking of the car door locking device 10 can be easily realized.

2nd embodiment

Next, a second embodiment of the present invention will be described using FIG. 4 . FIG. 4 is a front view for explaining the structure of the car door lock 30 in the car door locking device 10 . In this embodiment, the same components as those in the first embodiment are assigned the same symbols, and detailed description thereof will be omitted.

This embodiment differs from the first embodiment only in that a manual unlock pin 60 is further provided on the car door lock 30 .

As shown in FIG. 4 , the manual unlock pin 60 is disposed between the rotating shaft 32 and the hook portion 33 . When in the unlocking area of the car door lock 30, when the maintenance personnel on the landing side release the lock of the landing door and open the landing door to a certain gap, through the gap, they are fixed on the safety contact plate 70 by using The manual unlocking plate 71 is in conflict with the manual unlocking pin 60, and the car door lock 30 can be rotated upward, thereby manually unlocking the car door locking device.

Moreover, since the manual unlocking pin 60 is arranged between the rotating shaft 32 and the hook portion 33, the safety contact plate 70 and the manual unlocking plate 71 on it can be easily inserted to avoid other parts and interfere with the manual unlocking pin 60, Thereby realizing the unlocking of the car door locking device.

In addition, as described above, the manual unlock pin 60 is a pin member, but it only needs to be formed in a protruding shape capable of colliding with the manual unlock plate 71 . Moreover, the manual unlock pin 60 is arranged between the rotating shaft 32 and the hook portion 33, but it can also be formed on other parts of the car door lock 30, such as the hook portion 33, as long as it can be pushed by the manual unlock plate 71. Press or pull to rotate the car door lock 30 upward to unlock the car door locking device.

third embodiment

Next, a third embodiment of the present invention will be described using FIG. 5 , which is a front view for explaining the structure of the car door lock 30 in the car door locking device. In this embodiment, the same components as those in the first embodiment are assigned the same symbols, and detailed description thereof will be omitted.

This embodiment differs from the first embodiment only in that a hole 80 and a rope member 81 connected to the hole 80 are further provided in the car door lock 30 .

As shown in Figure 5, the hole 80 is located on the opposite side to the hook portion 33 with respect to the rotating shaft 32, that is, the hole 80 and the hook portion 33 are located on both sides of the rotating shaft 32, and a rope member 81 is connected to the hole 80 at the same time. 81 can be, for example, a steel wire rope.

When in the unlocking area of the car door lock 30, when the maintenance personnel on the landing side release the lock of the landing door and open the landing door to a certain gap, through the gap, pull the rope member 81 by hand or the like. Then, the car door lock 30 is rotated upward to manually unlock the car door locking device.

Moreover, since the hole 80 of the car door lock 30 is located on the opposite side to the hook portion 33 with respect to the rotating shaft 32, the car door lock 30 can be rotated upward by pulling down the rope member 81, so that the car door lock device can be easily locked. unlock.

In addition, as mentioned above, the hole 80 is located on the opposite side of the hook portion 33 with respect to the shaft 32, but it can also be formed in other parts of the car door lock 30, such as between the shaft 32 and the hook portion 33, as long as it is formed. The car door lock device may be unlocked by pulling the rope member 81 upward or downward by hand to rotate the car door lock 30 upward. Of course, instead of the hole 80, a member capable of connecting the cord member 81, such as a pin, may be formed.

4th embodiment

Next, a fourth embodiment of the present invention will be described using Fig. 6, Fig. 7a, and Fig. 7b. Fig. 6 is a partial front view for explaining the main structure of a car door locking device 10' according to the fourth embodiment. Fig. 7a and Fig. 7b are diagrams for explaining the unlocking process of the car door locking device 10'. In this embodiment, the same components as those in the first embodiment are assigned the same symbols, and detailed description thereof will be omitted.

The main difference between this embodiment and the first embodiment is that an inner engaging vane 90 is provided on the door window box side engaging vane 13, and further, on the inner engaging vane 90, a car door lock 30 is fixedly provided. Unlock plate 93 for unlocking.

Specifically, the inner engaging blade 90 is connected to the door window box side engaging blade 13, the connection mode of the inner engaging blade 16 and the doorstop side engaging blade 12, and the door window box side engaging blade 13 and the doorstop side latch. The connection mode of the hinge blades 12 is the same, that is, the inner engaging blade 90 is connected to the door and window box side engaging blade 13 through a pair of plate-shaped parts 91, 92 (connecting rods) and the hole shaft, and the inner engaging blade 90 is positioned at the door and window box side. Between the side engaging vane 13 and the inner engaging vane 16, the inner engaging vane 90 can be moved in the door opening direction and the door closing direction relative to the doorstop side engaging vane 12 by the rotation of the plate-shaped members 91, 92. An unlocking plate 93 is extended on the engaging blade 90 toward the door closing direction and perpendicular to the inner engaging blade 90 .

As shown in Fig. 7a and Fig. 7b, a shaft 94 is fixedly arranged at the end of the unlocking plate 93 close to the door closing direction, that is, toward the end of the car door lock 30, and the shaft 94 is inserted into the end of the car door lock 30. The unlocking plate 93 is connected with the car door lock 30 in such a way that the car door lock 30 can rotate around its rotating shaft 32 .

When the elevator is abnormal and the car stops in the unlocking area, the rescue personnel at the landing will unlock the hall door lock with the key, and open the landing door with their hands. The roller 51 of the station door contacts and presses the inner engaging blade 90, and as shown in FIG. Thus, as shown in Fig. 7a and Fig. 7b, the unlocking plate 93 fixed to the inner engaging vane 90 also moves in a manner close to the engaging vane 13 on the side of the door window box, thereby causing the car door lock 30 to rotate counterclockwise to release the lock. By locking the car door with the car door lock 30, the car door can be opened on the landing side to perform rescue.

As mentioned above, the shaft 94 provided on the unlocking plate 93 and the hole 80 provided on the car door lock 30 make the car door lock 30 rotate relative to the unlocking plate 93, but it is also possible to provide a hole on the unlocking plate 93, instead of Correspondingly, holes are provided on the car door lock 30 , as long as the car door lock 30 can rotate relative to the unlocking plate 93 , any structure is acceptable.

As mentioned above, the mechanical car door locking device of the elevator which concerns on this invention was demonstrated with reference to preferable embodiment, However, These embodiment is given as an illustration, and it does not intend to limit the scope of the invention. Of course, the novel devices, methods, and systems described in the specification can be implemented in various forms, and various omissions, substitutions, and changes can be made without departing from the scope of the present invention. The scope of the claims and their equivalents are intended to cover the embodiments or improvements thereof within the scope of the gist of the utility model.

Claims (11)

1. A mechanical car door locking device, which is used to lock the car door, comprising: a first engaging blade fixed on the side of the car door panel on the side of the hoistway along the vertical direction; and a pushing part arranged on On the side of the landing door near the hoistway, the mechanical car door locking device is characterized in that it also has: The second engaging blade is provided on the first engaging blade through a connection member so as to be movable in a door opening direction and a door closing direction relative to the first engaging blade, and is located on the door opening direction side of the first engaging blade, And be able to abut against the above-mentioned pushing part; The first unlocking component is fixed to the second engaging blade and extends toward the door closing direction; A car door lock having a first protruding member for abutting against the first unlocking member, a rotating shaft, and a hook portion capable of rotating upward about the rotating shaft when the first unlocking member presses the first protruding member, The car door lock is rotatably fixed to the first engaging blade via the rotating shaft, and extends toward the door closing direction; and The car door lock support member is fixed to the car, supports the car door lock, and hooks the hook portion. 2. The mechanical car door locking device according to claim 1, wherein: It further includes a third engaging vane connected to the first engaging vane via a connecting rod, the third engaging vane is located on the side of the door opening direction relative to the second engaging vane, and the third engaging vane can be moved by the rotation of the connecting rod. The engaging blade moves toward the door opening direction and the door closing direction relative to the first engaging blade, When the car moves up and down, the pressing portion can pass between the second engaging vane and the third engaging vane. 3. The mechanical car door locking device according to claim 2, wherein: The pressing portion is a roller used in an interlock mechanism for opening and closing the hall door. 4. The mechanical car door locking device according to claim 2, wherein: It also includes a fourth engaging blade connected to the third engaging blade via a connecting rod, the fourth engaging blade is located between the third engaging blade and the second engaging blade, and can be rotated by the connecting rod. moving the fourth engaging blade relative to the first engaging blade in the door opening direction and the door closing direction, A second unlocking member is fixed to the fourth engaging blade, and the second unlocking member is connected to the car door lock in such a manner that the car door lock can rotate around its rotating shaft. 5. The mechanical car door locking device according to claim 1, wherein: The above-mentioned connecting member is a pair of plate-shaped members, and the pair of plate-shaped members are located near both ends of the above-mentioned second engaging blade, and have engaging holes respectively at both ends in the longitudinal direction, and are formed on the above-mentioned first engaging blade. The shaft on the engaging blade and the shaft formed on the second engaging blade are rotatably engaged with the engaging holes on both ends of each plate-shaped member, thereby making the pair of plate-shaped members Rotate so that the second engagement blade can move in the door opening direction and the door closing direction relative to the first engagement blade. 6. The mechanical car door locking device according to claim 1, wherein: The hook portion is located at the end of the car door lock in the door closing direction, the rotating shaft is located at the end of the car door lock in the door opening direction, and the first protruding member is located between the hook portion and the rotating shaft, and It is located below the above-mentioned rotating shaft in the vertical direction. 7. The mechanical car door locking device according to claim 1, wherein: A weight is detachably provided on the upper portion of the hook. 8. The mechanical car door locking device according to any one of claims 1 to 7, characterized in that: The car door lock further includes a second protruding member capable of turning the car door lock upward by contacting the manual unlocking member. 9. The mechanical car door locking device according to claim 8, wherein: The second protruding member is located between the hook portion and the rotating shaft. 10. The mechanical car door locking device according to any one of claims 1 to 7, characterized in that: The car door lock further includes a hole and a rope member passed through the hole and connected to the car door lock, and the car door lock can be rotated upward by pulling the rope member. 11. The mechanical car door locking device according to claim 10, wherein: A hole of the car door lock is located on a side opposite to the hook-shaped portion with respect to the rotating shaft.