JPH0640212Y2 - Elevator unlocking device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to an unlocking device for an elevator installed in a general household.

[Prior Art] In recent years, a domestic elevator has been proposed. In this household elevator, the doors at the openings on each floor are opened and closed by hand to get in and out. Then, a handle side latch is provided on the handle for opening and closing the door, and the handle side latch is locked or unlocked by operating the handle to lock the door. However, just by locking and unlocking the handle in this way, the handle is operated when the car is not in the opening or when the car is moving up and down. There was a problem that it could be opened accidentally and it was dangerous.

Therefore, in order to solve such a problem, the inventor of the present invention, when the car is located at the opening, operates the operation part provided at the opening by the unlocking operation part provided at the car to operate the operation part. When the car is released from the opening, the unlocking operation part moves away from the actuating part when the lock releasing means is operated to the unlocking side to release the lock. I thought about what would be done.

[Problems to be Solved by the Invention] In the conventional example as described above, however, the unlocking operation portion is attached to the car so as to project laterally, and the operation portion is provided on each floor. It is to be installed on the movement locus of the unlocking operation part of the opening of the, but at the site, the mounting position of the operating part on each floor should be set on the movement track of the unlocking operation part as described above. Is very difficult, and there is a problem that the work takes time and labor.

The present invention was devised in view of the above problems,
An object of the invention is to provide an elevator unlocking device capable of absorbing an error in the mounting position of the actuating part and reliably operating the actuating part by the unlocking operation part. It is in.

[Means for Solving the Problem] The elevator unlocking device of the present invention is provided with an opening 2 on each floor that allows the car 1 to move up and down, and a door 3 that can be opened and closed. Locking means A for locking 3 is provided, lock releasing means 5 for releasing the locking operation of the locking means A is provided, and a lock releasing operation portion 60 that is movable in the lateral direction is projected from the car 1 to the side,
The spring C urges a spring force that causes the unlocking operation unit 60 to project laterally from the car 1, and also allows the unlocking operation unit 60 to move freely toward the car 1 side against the spring C, opening on each floor. An operating section B which is operated by the unlocking operation section 60 with the car 1 positioned in the section 2 is provided, and the operating section B and the unlocking means 5 are connected to each other. By adopting it, the above-mentioned object of the present invention is achieved.

[Operation] In the present invention, even if the mounting position of the operating portion B is displaced, the error can be absorbed by the spring C and the operating portion B can be operated by the unlocking operating portion 60. .

[Embodiment] The present invention will be described in detail below with reference to an embodiment shown in the accompanying drawings. A car 1 for raising and lowering a person or an object at an arbitrary position in a house is provided between the downstairs and the upstairs so as to be able to move up and down. The car 1 is vertically moved by an elevating device (not shown) arranged under the floor below the car 1. Basket 1 is a mantle
Covered by 11. As the jacket 11, as shown in FIG. 1, an elevator lifting space 11a is provided in a part of a building, and the elevator lifting space 11a is configured by vertically arranging the car 1 in the elevator lifting space 11a. The wall of the building may be the outer cover 11, or the outer cover 11 different from the wall of the building may be provided on the floor.

The car 1 is provided with an unlocking operation portion 60 facing sideways. That is, as shown in FIG. 14, a fixed frame D is fixed to the upper surface side end of the car 1, and a movable shaft E is movably attached to the fixed frame D. The unlocking operation unit 60 is fixed. A contact plate F is fixed to the moving shaft E, and a spring C is interposed between the contact plate F and the contact portion 1D of the fixed frame D so that the unlocking operation portion 60 is provided on the side of the car 1. The spring force is applied in the direction of projecting to. The unlocking operation part 60 is provided with inclined guide parts 60a at the upper and lower parts, respectively.

The outer cover 11 is provided with openings 2 on each floor. Door pockets 12 are provided on both sides of the opening 2. A door 3 is arranged in the opening 2 so as to be openable and closable. In the embodiment shown in FIGS. 2 to 13, as the door 3, the left and right main doors 3a and the left and right sub doors 3b are used. Further, a main door rail 13 and a sub door rail 14 are provided from the opening 2 to the door pocket 12.
The rail 13 for the main door and the rail 14 for the sub door are respectively provided on the upper and lower sides as shown in FIG. The main door rail 13 and the sub door rail 14 are arranged side by side in the front and rear. The left and right main doors 3a are attached to the main door rails 13 so that they can travel freely, and the left and right auxiliary doors are attached to the sub door rails 14.
3b is attached to run freely. As shown in FIG. 4, upper and lower runners 15 vertically opposed to each other are provided above the upper surfaces of the main door 3a and the sub door 3b. And the lower guides 16 projecting downward from the lower surfaces of the main door 3a and the sub door 3b are movably attached to the lower main door rail 13 and the sub door rail 14, respectively. There is. No. 4 above the main rail 13
As shown in FIGS. 6, 6 and 8, an endless belt 17 such as an endless belt or an endless chain is arranged.
17 is wound around the pulleys 18 on the left and right. One of the main doors 3a is connected to the upper part of the endless rotary band 17 by a connecting fitting 19, and the other of the main doors 3a is connected to the lower part of the endless rotary band 17.
Are connected by a connecting fitting 19. By doing so, when the left and right main doors 3a respectively open one of them, the endless rotation belt 17 rotates to open the other, and when either one is closed, the other also closes. It is like this. The sub door 3b is adapted to interlock with the main door 3a. That is, as shown in FIG. 4, a metal fitting for the main door 3a
A movable rack 20 is fixed to 19 and a pinion 21 is rotatably attached to the connecting fitting 19 of the sub door 3b. The pinion 21 is meshed with the fixed rack 22 and the movable rack 20. When the main door 3a moves, the moving rack
Since the 20 and the pinion 21 are meshed with each other, the sub door 3b moves in conjunction with the main door 3a, but here, the movement speed of the sub door 3b is half the movement speed of the main door 3a. In pinion 21
The radius of is set. Further, the main door 3a is provided with a handle 25, and the handle 25 is provided with a handle latch (not shown) and is engaged with a handle latch receiver (not shown) provided on the other main door 3a. When the handle 25 is rotated, the handle latch is disengaged from the handle latch receiver.

In the present invention, a locking means A for locking the door 3 in the state where the door 3 closes the opening 2 is provided in addition to the locking device on the handle side, which comprises the above-mentioned handle latch and the handle latch receiver.
Is provided. Then, the lock-in means for performing the lock-in operation of the lock means A, and the car 1 are provided with the opening 2
The unlocking operation part 60 provided on the car 1 in the position
And an unlocking means 5 which is connected to the operating part B via the electromagnetic clutch 55 and releases the lock-in operation of the locking means A.

That is, as shown in FIG. 9, the first locking means 4, which is the locking means A, is provided at a position facing the other main door 3a at the substantially vertical middle portion of one of the left and right main doors 3a. There is. The first locking means 4 is constructed by rotatably supporting a rotary pawl 28 on a rotary shaft 29, and the rotary pawl 28 is pressed by a push fitting 31 which is pushed down by a spring material 30 such as a tension spring. The metal fitting 33 provided at the intermediate portion in the vertical direction of the side end portion of the adjacent main door 3a with the pawl portion 32 at the tip of the rotary pawl 28 protruding outward from the side end surface of one main door 3a. It is adapted to be locked to the locked state. An operation rod 7 is installed in the main door 3a so as to be vertically movable from the middle portion to the upper end. An upward pushing force is applied to the operating rod 7 by a spring 34, and a lower end of the operating rod 7 is contacted with an operating fitting 35, and the operating fitting 35 is supported by a spring 36 such as a compression spring. . When the operating rod 7 is pulled up, the operating fitting 35 is pulled up by the spring 36 and does not give an operating force for rotating the rotary claw 28, but when the operating rod 7 is lowered, it is operated. The lower end of the rod 7 pushes the operating fitting 35 against the spring 36,
The lower edge of 35 pushes the upper edge of the rotary pawl 28 to retract the rotary pawl 28 by retracting the rotary pawl 28 from the side end of the main door 3a in a non-projecting state. Operating rod 7
The upper end of the operation rod 7 protrudes upward from the upper end surface of the main door 3a, and a roller 37 is rotatably provided on the upper end of the operating rod 7. When the door 3 is not fully closed, the roller 37 makes elastic contact with the lower surface of the upper rail 6 by the spring force of the spring 34, and when the door 3 is fully closed, the roller 37 bounces in the recess 8 provided in the upper rail 6. I am supposed to enter. Here, as the upper rail 6, the rail 13 for the main door may be used as the upper rail 6 as it is as in the embodiment of FIGS. 7 and 8, or the rail 13 for the main door may be used as the upper rail 6. You may provide separately. As shown in FIGS. 5, 7 and 8, the recess 8 is movable up and down, and the roller 37 at the upper end of the operating rod 7 is pushed up in the recess 8 while being pushed up. The body 9 is arranged. The movable body 9 has a shaft 38 projecting upward, and the tip of the shaft 38 is provided with a hole 40 provided on the upper surface of the upper frame 39 of the opening 2.
A lateral pin 41 is provided at a portion of the shaft 38 projecting upward from the hole 40. Then, the moving body 9 is given a spring force that is pushed downward by the spring 42, and when the moving body 9 descends, the lateral pin 41 is inserted into the hole 40.
It is designed to hit the edge of and descend only a certain length. On both sides of the moving body 9, locking claw portions 43 protruding upward are provided. The connecting fitting 19 of the main door 3a is provided with an engaging claw portion 44 projecting downward, and is engaged when the door 3 is fully closed and the moving body 9 is pushed up by the roller 37 at the upper end of the operating rod 7. The locking claw 43 is locked by the locking claw 44 so as to be locked. The locking claw portion 43 and the engagement claw portion 44 are second locking means 45 which is another locking means A. Upper frame 39
A bearing piece 46 is provided in the vicinity of the hole 40 on the upper surface of the
An operating piece 47 is rotatably supported on the bearing piece 46.
One end of a lot 48 is rotatably supported on the operating piece 47, and the other end of the lot 48 penetrates a U-shaped portion 50 of a connecting fitting 49 as shown in FIGS. 5 and 6. Inserted, U-shaped part 50
Inside, a spring 52 such as a compression spring is interposed between a collar 51 fixed to the lot 48 and a piece of the U-shaped portion 50. Further, the lot 48 is given a spring force in the direction of arrow A in FIG. At the end of the upper surface of the upper frame 39, the support frame 54
An electromagnetic clutch 55 is attached to the support frame 54, and a lever 61 having a shaft 56 attached to the coupling fitting 49 fixed at an eccentric position and the electromagnetic clutch 55 are engageable with each other. An arm 58 is provided on a shaft 57 on the electromagnetic clutch 55 side, and a roller 59 is rotatably provided at the tip of the arm 58. Therefore, the shaft 57, the arm 58, the roller 59, etc.
Is an operating part B which is operated by an unlocking operating part 60 provided in the car 1 in a state in which it is located in the opening 2. Further, the lot 48, the operating piece 47, the operating rod 7, the upper rail 6, the recess 8, the moving body 9, the pushing means 10, etc.
Is configured. The operating section B and the lock releasing means 5 are connected by an electromagnetic clutch 55. Therefore, the unlocking operation unit 60, the lot 48, the operating piece 47, and the like are the pushing-down means 10 that pushes down the moving body in a state in which they are located in the car opening. Rail 6, recess 8, moving body 9, push-down means
The unlocking means 5 is constituted by 10.

Then, the roller 59 is rotated in the arrow B direction in FIG. 5 by the unlocking operation portion 60 provided in the car 1 with the car 1 positioned in the opening 2, and the lot 48 is moved in the arrow C direction in FIG. The operating piece 47 is moved to rotate, and the operating piece 47 pushes down the lateral pin 41 to push down the shaft 38, and the moving body 9 lowers, so that the roller 37 at the upper end of the operating rod 7 positioned in the recess 8 is moved. Is pushed down and the operating rod 7 is pushed down, whereby the lock is released as described above. Further, when the car 1 is moved up and down by pressing the destination push button switch 90, the car 1 is moved and the unlocking operation part 60 is separated from the operating part B, and the unlocking means 5 is operated toward the unlocking side, and the locking means is operated. A is locked.

Here, the electromagnetic clutch 55 is set so that when the push button switch 90 for the destination of the elevator is pushed, the electromagnetic clutch 55 is disengaged on the passing floors other than the destination floor, and therefore the opening 2 on the passing floor is When passing through, even if the operating part B is operated by the unlocking operation part 60, the operation of this operating part B is not transmitted to the unlocking means 5, and the locking means A is temporarily unlocked. There is no such thing.

Further, when the operating portion B is attached to the opening 2 of each floor, even if the attaching position is slightly displaced (that is, even if it is displaced in the arrow X direction in FIG. 14), the unlocking operation portion 60 is located at the operating portion B position. Then, the unlocking operation part 60 presses the operating part B by the elastic biasing force of the spring C to operate the operating part B. Here, there is an error in the mounting position of the operating portion B, and the operating portion B is located closer to the car 1 side than the design position.
Even if the lock release operation portion 60 is attached, the spring release force is exerted on the lock release operation portion 60 in the direction of laterally projecting from the car 1 by the spring C. The part 60 is moved to the side of the car 1. In this case, the operating part B is pressed by the unlocking operating part 60 at the same time, so that the operating part B can be reliably operated. Therefore, the error in the mounting position of the operating part B can be absorbed by the amount by which the unlocking operation part 60 pushed by the spring C can move.

As shown in FIGS. 7 and 8, the upper frame 39 is provided with an opening, and the operating portion 73 of the door closing detection limit switch 72 attached to the upper surface of the upper frame 39 is extended downward from the opening. When the door 3 is fully closed, the operating member 74 attached to the connecting fitting 19 of the main door 3a operates the operating portion 73 to turn on the door close detection limit switch 72 provided in the elevator control circuit. There is. Further, a lock detection limit switch 75 is provided on the upper surface of the upper frame 39, and when the moving body 9 is pushed upward, the lateral pin 41 pushes the operating portion 76 of the lock detection limit switch 75 to control the elevator. The lock detection limit switch 75 provided in the circuit is turned on, and when the moving body 9 descends, the pressing of the lateral pin 41 to the operating portion 76 is released and the lock detection limit switch 75 is turned off. ing. The elevator control circuit is shown in FIG. 12, and the specific configuration will be described later.

Further, a spring plate 78 attached to the upper surface of the upper frame 39 is led out to another opening of the upper frame 39, and when the main door 3a is fully closed, the spring plate 78 is rotatably provided on the connecting fitting 19 of the main door 3a. The stopper roller 77 rides over the spring plate 78, and the spring plate 78 is elastically contacted with the rear side of the stopper roller 77 to prevent it from returning due to a reaction when the main door 3a is closed.

As shown in FIG. 2, the car 1 is provided with an entrance / exit opening 62 facing the opening 2 of the jacket 11. Further, a guide rail 63 is provided which extends over the front part of the car 1 and both sides of the car 1 provided with an entrance / exit opening 62, and the left and right doors 64 are movably attached to the guide rail 63. Here, the left and right doors 64 are each configured by rotatably connecting a plurality of door bodies 65 each having a small width in the left-right direction, and as shown in FIG. The protruding upper traveling part 66 is attached to the upper guide rail 63 so that it can travel freely, and the door 64
A lower traveling portion 67 protruding downward from the lower surface portion of the is attached to the lower guide rail 63 so as to be freely movable. An endless belt 68 for a door such as an endless belt or an endless chain is arranged above the upper guide rail 63 along the upper guide rail 63. It is hung around the pulley 69 at the corner. One of the left and right doors 64 is attached to the upper part of the endless belt 68 for doors, and the other is attached to the lower part of the door endless belts 68 by attachment fittings 70, respectively. By doing this, one of the left and right doors 64 is
When the opening / closing operation of 64 is performed, the other door 64 is also opened / closed. Here, when the left and right doors 64 are opened, they are pushed and stored at positions along the left and right side surfaces of the car 1. The door 64 is provided with a handle 71, and this handle 71 may also be provided with a locking means as appropriate.

FIG. 12 shows an elevator control circuit according to the present invention, and FIG. 13 shows a flow chart showing the operation.

In FIG. 12, 72 is the left and right door closing detection limit switches, 75 is the lock detecting limit switch, 90 is the push button switch for the destination of the elevator, R ₁ is the door closing detection relay, R ₁
a, R ₁ b are the normally open contacts of the door close detection relay R ₁ , R ₂ is the lock detection relay, R ₂ a, R ₂ b are the normally open contacts of the lock detection relay R ₂ , T is the timer, Ta is the Ta Normally closed contact of timer T, R ₃ is the third relay, R ₃ a and R ₃ b are the third relay R respectively
₃ normally open contacts, R4 fourth relay, R ₄ a is normally open contact of the fourth relay R _4, M is a motor circuit for elevating the elevator 91 is located the car 1 of the elevator corresponding to the opening portion 2 It is a floor detection switch that detects that you are in a room. In the above circuit,
The self-holding circuit of the door close detection relay R ₁ is formed by the normally open contacts R ₁ a and R ₄ , and even if the push button switch 90 for the destination is turned on and the push on the push button switch 90 is released, the door close detection is performed. It is designed to excite relay R ₁ . Normally open contact
3rd relay R ₃ with R ₃ a and lock detection limit switch 75
The self-holding circuit is formed so that the third relay R ₃ is excited even when the timer T operation is finished and the normally closed contact Ta of the timer T is turned off. Here, as for the operation time of the timer T, the car 1 is slightly moved from the position corresponding to the opening 2 to move up and down, and the unlocking operation part 60 is separated from the roller 59 of the arm 58 constituting the operation part B. It is set to be slightly longer than the time until.

Then, when the door 3 is closed while the car 1 is located at the position corresponding to the opening 2 and the floor detection switch 91 is on, the left and right door close detection limit switches 72 are turned on. In this case, when the door close detection limit switch 72 is turned on and it is confirmed that the door 3 is closed, the destination push button switch 90 is ready to be closed. In this state, the destination push button switch 90 When is pressed to turn on, the door close detection relay R ₁ is excited and the normally closed contact R ₁ a,
R ₁ b turns on. At this time, since R ₄ a is on, R ₁ a and R ₁ b form a self-holding circuit. Next, when the normally open contact R ₁ b is turned on, the lock detection relay R ₂ is excited, the normally open contact R ₂ a is turned on, the timer T operates, and the operation of the timer T turns on the normally closed contact Ta. When the third relay R ₃ is excited and the normally open contact R ₃ a is turned on to energize the motor circuit M of the elevator to raise the car 1, the hydraulic pump that raises and lowers the elevator rotates, and also the car 1 When is lowered, the oil recovery valve is opened, which causes the car 1 to move up and down.

Then, the car 1 moves and the unlocking operation section 60 is disengaged from the roller 59 of the arm 58 constituting the operating section B, and at the same time, the unlocking means 5 operates toward the unlocking side. That is, the lot 48 moves, the moving body 9 is pushed upward by the operation rod 7, the engagement claw portion 43 and the engagement claw portion 44 are engaged, and the second lock means 45 is locked, and the operation is performed again. Stick 7
Moves upwards, the rotating claw 28 that constitutes the first locking means 4 is pressed and rotated by the pressing fitting 31 that is pushed down by the spring material 30, and the claw portion 32 at the tip of the rotating claw 28 is rotated to the one main door 3a. The protrusion is outwardly protruded from the side end surface of and is locked by a receiving metal fitting 33 provided at an intermediate portion in the vertical direction of the side end portion of the adjacent main door 3a to be in a locked state. Therefore, the first locking means 4 is also locked. Further, in this state, the actuating portion 76 of the lock detection limit switch 75 is pushed by the lateral pin 41 provided on the shaft 38 of the moving body 9, and the lock detection limit switch 75 is turned on. If the lock detection limit switch 75 does not turn on before the normally closed contact Ta of the timer T turns off, the normally open contact R ₃ a of the third relay R ₃ turns off and the motor The power supply to the circuit M is stopped, and the car 1 of the elevator is stopped. Therefore, while the car 1 is moving, the door 3 is closed (that is, the door close detection limit switch 72 detects the door 3 closed state) and the normally closed contact Ta of the timer T is off. Even if there is any reason, if the first locking means 4 and the second locking means 45 are not locked for some reason, the car 1 is stopped and the safety is maintained. On the other hand, when the lock detection limit switch 75 is turned on, the car 1 moves up and down to the destination floor as it is, and the floor detection switch 91 detects that the car 1 is located in the opening 2 of the destination floor and stops the car 1. To do.

When the car 1 stops at the opening 2, the unlocking operation unit 60
The operation arm 58 is rotated by the operation arm 58, and the rotation of the operation arm 58 moves the lot 48 in the direction of arrow C in FIG.
By rotating 47 and pushing down the lateral pin 41 by the operating piece 47 and pushing down the shaft 38, the moving body 9 lowers to cause the recess 8
Push down the roller 37 at the upper end of the operating rod 7 located inside,
Push down the operating rod 7 and lower the operating rod 7
The upper end of the rotary pawl 28 is pushed by the lower end of the operation fitting 35, and the pawl portion 32 is retracted from the side end surface of the main door 3a so that the rotary pawl 28 is unlocked by pushing the upper end of the rotary pawl 28. Further, when the moving body 9 is pushed downward, the engagement between the locking claw portion 43 and the engagement claw portion 44 is released, and the lock of the second locking means 45 is released. In this state, the door 3 and the door 64 of the car 1 are opened to get off the car 1. Here, in order to open the door 3, when the handle 25 is grasped and one of the main doors 3a is opened, the other main door 3a is opened in conjunction with this, and the left and right sub doors 3b are further interlocked with the main door 3a. The left and right main doors 3a and the left and right sub doors 3b are housed in the left and right door pockets 12, respectively. By the way, when the main door 3a is opened with the roller 37 at the upper end portion of the operating rod 7 being pushed downward by the moving body 9, the roller 37 is moved to the upper rail 6.
It moves in a state of being elastically contacted with the lower surface of, and maintains the state in which the operating rod 7 is pushed down to maintain the unlocking by the first locking means 4. To get on the car 1 again to go to another destination floor, get on the car 1, fully close the door 3 of the opening 2, fully close the door 64 of the car 1, and press the destination push button 90 to perform the above operation. It moves up and down to the target floor. In this case, when the opening 2 is fully closed by the door 3, the roller 37 of the operating rod 7 which is elastically contacted with the lower surface of the upper rail 6 is inserted into the recess 8, but the car 1 is located in the opening 2. Lock release operation part
Since 60 pushes the roller 59 of the arm 58, the moving body 9 is pushed down, and therefore the operating rod 7 is also pushed down by the moving body 9, and as a result, the first locking means 4 Although both the second lock means 45 and the second lock means 45 are in the unlocked state, the door close detection limit switch 72 is turned on when the door 3 is fully closed. Therefore, in this state, the elevator destination button Press to energize the electric circuit of the elevator and the car 1
Will move. The subsequent operation is the same as the operation after the destination push button switch 90 is pressed.

When the car 1 passes through the opening 2 on the passing floor, if the push button switch 90 for the destination is pressed as described above, the electromagnetic clutch 55 of the opening 2 provided on the passing floor can be disengaged. Therefore, in the opening 2 on the passing floor, even if the operating part B is operated by the unlocking operating part 60, the operating part B is activated.
Is not transmitted to the unlocking means 5 and the locking means A is not temporarily unlocked so that the door 3 of the opening 2 of the passing floor can be opened when the car 1 passes through the passing floor. It has become.

Incidentally, FIG. 9 shows the first locking means 4 and the second locking means.
A device for manually unlocking 45 is shown. That is, a rotary knob 93 is rotatably provided on the front upper part of the main door 3a, and an eccentric lever 94 fixed to the shaft of the rotary knob 93 is provided in the upper part of the main door 3a.
An eccentric actuating portion 95 is provided at 94. Then, when the rotary knob 93 is rotated, the eccentric lever 94 is rotated, and the contact portion 96 fixed to the operating rod 7 is pressed by the eccentric actuating portion 95 to push down the operating rod 7 to lock the first locking means 4. It is supposed to be released. When the operating rod 7 descends, the moving body 9 descends, and the lock of the second lock means 45 is released.

In each of the above-described embodiments, the lock means A is the double lock means A in which the first lock means 4 and the second lock means 45 are used in combination, but the lock means 4 is one. It is possible to have.

[Effects of the Invention] According to the present invention, as described above, each floor is provided with an opening portion that can be moved in and out of a car that moves up and down, and an opening / closing door is provided in this opening portion, and locking means for locking the door is provided. Provided with lock releasing means for releasing the lock operation of the lock means, the lock releasing operation portion which is movable in the lateral direction is projected laterally from the car, and the spring releases the lock releasing operation portion from the car. Actuating by the lock release operation part with the car positioned at the opening of each floor, while urging the spring force to project to the side and making the lock release operation part movable toward the car against the spring. Since the operating portion and the lock releasing means are connected to each other, even if the mounting position of the operating portion is deviated, the lock releasing operating portion moves against the spring to absorb this error and At the same time Even if the unlocking operation part moves against the knee, the operating part is pressed by the spring force by the unlocking operation part.As a result, the above error is absorbed and the unlocking operation part operates. Since the lock can be reliably released even if the mounting position of the operating part is slightly displaced on the site in this way, it is possible to easily install the operating part on the site. .

[Brief description of drawings]

FIG. 1 is a schematic vertical sectional view of the present invention, FIG. 2 is a schematic horizontal sectional view of the same as above, and FIGS. 3 (a) and 3 (b) are schematic horizontal sectional view and a schematic rear view of an opening portion of the same. 4 is a vertical sectional view of the same, FIG. 5 is a partially omitted front view of the same, FIG. 6 is a horizontal sectional view of the same, FIG. 7 is an enlarged front sectional view of a second locking means portion of the same, Fig. 8 is a perspective view seen from the rear side of the above,
9 (a) and 9 (b) are a front view and a side view of the locking means,
FIG. 10 is a partially omitted cross-sectional view of the main rail and the sub-rail portion of the same, FIG. 11 is a schematic front view of the door of the same, FIG. 12 is a control circuit diagram of the same, and FIG. 14A, 14B and 14C are a front view, a plan view and a side view of the unlocking operation portion, where A is a locking means, B is an operating portion, C is a spring, and Basket, 2 openings, 3
Is a door, 5 is an unlocking means, and 60 is an unlocking operation section.

Claims (1)

[Scope of utility model registration request] 1. An opening for opening and closing a car that moves up and down on each floor is provided, a door that can be opened and closed is provided at this opening, locking means for locking the door is provided, and a locking operation of the locking means is released. A lock release means is provided to laterally move the lock release operation part laterally from the car, and a spring biases the spring force that causes the lock release operation part to project sideways from the car and to the spring. By contrast, the unlocking operation unit is movable toward the car side, and an operating unit that is operated by the unlocking operation unit with the car positioned at the opening of each floor is provided. Elevator lock release device that is composed by connecting.