CN209976228U - Landing door lock device for elevator - Google Patents

Abstract

The utility model discloses a layer door lock device for elevator, including the link plate base, latch hook and kayser are installed to one side of link plate base, the bottom of tapered end is provided with the latch hook seat, first reset spring's upper end is connected with the telescopic link, the top of latch hook is provided with the locating piece, one side of second layer door is provided with fixing base and lock, the bottom of fixing base is connected with first connecting plate, the dwang is connected with the second connecting plate through the wire rope that sets up. The utility model discloses a rotating the lock, drive first connecting plate and rotate under the cooperation of wire rope and second connecting plate for the pendulum rod rotates, kayser and the separation of first latch hook seat, the second floor door that slides right, the first reset spring of telescopic link extrusion slides in the recess of locating piece, and the car position is observed and safety situation on every side in the clearance that the staff passes through the layer door, has prevented that the door of mistake opening directly falls the well, has guaranteed staff's safety.

Description

Landing door lock device for elevator

Technical Field

The utility model relates to an elevator technical field specifically is a layer door lock device for elevator.

Background

Every floor of elevator all is equipped with the layer door, and convenient business turn over when the elevator is not at the flat bed position, the layer door need be closed, prevents that the passenger from falling into the well, for realizing closing of layer door, prevents the emergence of accident, and every layer door is equipped with the layer door lock, when the elevator breaks down, needs open the layer door and rescues the passenger and get into the well and repair.

In elevator maintenance or rescue process, the layer door is once only opened completely, the dangerous condition that directly falls into the well easily appears, and traditional pendulum rod unblock has very big limitation, only is applicable to the highly lower door that opens the door, and the deviation of processing and installation and under the not hard up condition of part, the phenomenon that the pole can not enough or skid often can appear, leads to not having opened the lock.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that in the process of elevator maintenance or rescue, a landing door is opened completely at one time, the dangerous condition that the landing door directly falls into a hoistway easily occurs, the traditional swing rod unlocking has great limitation, the traditional swing rod unlocking is only suitable for opening doors with a low door opening height, and the phenomenon that a rod cannot reach or slip frequently occurs due to the deviation of processing and installation and under the condition that parts are not flexible, so that the problem that the lock cannot be opened is solved.

In order to achieve the above object, the utility model provides a following technical scheme: a landing door lock device for an elevator comprises a hanging plate base, wherein a first landing door and a second landing door are arranged below the hanging plate base, a lock hook and a lock latch are installed on one side of the hanging plate base, a lock head is arranged at one end of the lock hook, a lock hook seat is arranged at the bottom end of the lock latch, an oscillating bar is connected to one side of the lock hook, a fixed rod is installed on one side of the oscillating bar and comprises a loop bar, a cavity is formed in the upper end of the interior of the loop bar, a first reset spring is installed in the cavity, a telescopic rod is connected to the upper end of the first reset spring, a positioning block is arranged above the lock hook, a fixed seat and a door lock are arranged on one side of the second landing door, a first connecting plate is connected to the bottom end of the fixed seat, a second connecting plate is connected to one end, the dwang is connected with the second connecting plate through the wire rope that sets up, the second connecting plate is connected with second floor door through the second reset spring that sets up.

Preferably, the number of latch hook seat is two, two the latch hook seat is the trapezoidal structure and distributes in the bottom of tapered end, the kayser matches with the latch hook seat.

Preferably, the top of telescopic link is the arc structure, and the bottom of telescopic link is type structure, the bottom of locating piece be provided with telescopic link assorted recess, and the transversal arc structure of personally submitting of recess.

Preferably, one side of the first connecting plate, which is close to the swing rod, is of an arc structure, an included angle between the first connecting plate and the second connecting plate is 90 degrees, and the first connecting plate and the second connecting plate are both movably connected with the fixing seat through rotating shafts.

Preferably, the end of the lock hook far away from the lock head is connected with a pull rope, and the lock hook is movably connected with the hanging plate base through a rotating shaft and a bearing.

Preferably, the fixing rod is fixedly connected with the swing rod through a bolt, and the swing rod is fixedly connected with the locking hook through a bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model drives the first connecting plate to rotate under the matching of the steel wire rope and the second connecting plate by rotating the door lock, so that the swing rod rotates, when the door lock can not rotate, the latch is separated from the first lock hook seat, the second layer door slides rightwards, the telescopic rod extrudes the first reset spring and slides in the groove of the positioning block, the situation that the telescopic rod and the positioning block cannot limit due to abrasion is avoided, the first layer door and the second layer door are separated to form a gap, a worker observes the position of a lift car and the surrounding safety condition through the gap of the layer door, prevents the layer door from being opened by mistake and directly falls down from a well, ensures the safety of the worker, continues to rotate the door lock, enables the latch to be separated from the second lock hook seat, moves the layer door, can be completely opened, and can be suitable for elevator layer doors with different structures and horizontal door opening modes by changing the position of a lock hole and, also be applicable to not co-altitude elevator layer door unblock, one side that is close to the pendulum rod through the first connecting plate that sets up is the arc structure, avoids appearing the phenomenon that the pendulum rod can not reach or skid enough, has improved the stability of unblanking.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the positioning block of the present invention;

FIG. 3 is a schematic view of the internal structure of the fixing rod of the present invention;

fig. 4 is a schematic structural diagram of the first connecting plate of the present invention.

In the figure: 1. a hanging plate base; 2. a first floor door; 3. a second floor door; 4. a latch hook; 5. a lock head; 6. locking; 7. a swing rod; 8. fixing the rod; 801. a loop bar; 802. a cavity; 803. a first return spring; 804. a telescopic rod; 9. positioning blocks; 10. a door lock; 11. rotating the rod; 12. a fixed seat; 13. a first connecting plate; 14. a second connecting plate; 15. a second return spring; 16. pulling a rope; 17. a wire rope; 18. a lock hook seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a landing door lock device for an elevator comprises a hanging plate base 1, a first landing door 2 and a second landing door 3 are arranged below the hanging plate base 1, a latch hook 4 and a latch 6 are mounted on one side of the hanging plate base 1, a lock head 5 is arranged at one end of the latch hook 4, a latch seat 18 is arranged at the bottom end of the lock head 5, a swing rod 7 is connected to one side of the latch hook 4, a fixing rod 8 is mounted on one side of the swing rod 7, the fixing rod 8 comprises a loop bar 801, a cavity 802 is arranged at the upper end inside the loop bar 801, a first return spring 803 is mounted inside the cavity 802, a telescopic rod 804 is connected to the upper end of the first return spring 803, a positioning block 9 is arranged above the latch hook 4, a fixing seat 12 and a door lock 10 are arranged on one side of the second landing door 3, a first connecting plate 13 is connected to the bottom, one end of the door lock 10 is connected with a rotating rod 11, the rotating rod 11 is connected with a second connecting plate 14 through a set steel wire rope 17, and the second connecting plate 14 is connected with the second layer door 3 through a set second return spring 15.

In the implementation: by rotating the door lock 10, the first connecting plate 13 is driven to rotate under the matching of the steel wire rope 17 and the second connecting plate 14, so that the swing rod 7 rotates, when the door lock 10 cannot rotate, the latch 6 is separated from the first latch hook seat 18, the second layer door 3 slides rightwards, the telescopic rod 804 extrudes the first reset spring 803 and slides in the positioning block 9, the situation that the telescopic rod 804 and the positioning block 9 are abraded to cause incapability of limiting is avoided, the first layer door 2 and the second layer door 3 are separated to form a gap, a worker observes the position of a car and the surrounding safety condition through the gap of the layer door, prevents the layer door from being opened by mistake and directly falls into a well, ensures the safety of the worker, continues to rotate the door lock 10, so that the latch 6 is separated from the second latch hook seat 18, the layer door can be moved, the layer door can be completely opened, and by changing the position of the door lock 10 and the length of the steel wire rope 17, and is also suitable for unlocking elevator landing doors with different heights.

Please refer to fig. 1 heavily, the number of latch hook seats 18 is two, two latch hook seats 18 are distributed at the bottom end of the lock head 5 in a trapezoidal structure, the latch 6 is matched with the latch hook seats 18, one end of the latch hook 4 far away from the lock head 5 is connected with a pull rope 16, and the latch hook 4 is movably connected with the hanging plate base 1 through a rotating shaft and a bearing, through the two latch hook seats 18, the first layer door 2 and the second layer door 3 are separated to form a gap, the worker observes the position of the car and the surrounding safety conditions through the gap of the layer doors, prevents the layer doors from being opened by mistake and directly falls into the well, ensures the safety of the worker, and the worker can open the layer doors in the pit by himself through the pull rope 16 without needing to ask for help outwards.

Please refer to fig. 2 and fig. 3 heavily, the top of the telescopic rod 804 is an arc structure, and the bottom of the telescopic rod 804 is a convex structure, the bottom of the positioning block 9 is provided with a groove matched with the telescopic rod 804, and the cross section of the groove is an arc structure, the fixing rod 8 is fixedly connected with the swing rod 7 through a bolt, the swing rod 7 is fixedly connected with the locking hook 4 through a bolt, the top of the telescopic rod 804 through the setting is an arc structure, which is convenient to slide in the groove of the positioning block 9, the bottom of the telescopic rod 804 is a convex structure, which can limit the telescopic rod 804, when the second layer door 3 slides right, the telescopic rod 804 extrudes the first reset spring 803 and slides in the positioning block 9, thereby avoiding causing the telescopic rod 804 and the positioning block.

Please refer to fig. 1 and fig. 4, one side of the first connecting plate 13 close to the swing rod 7 is an arc-shaped structure, and an included angle between the first connecting plate 13 and the second connecting plate 14 is 90 °, the first connecting plate 13 and the second connecting plate 14 are both movably connected with the fixing base 12 through a rotating shaft, one side of the first connecting plate 13 close to the swing rod 7 is the arc-shaped structure, so that the phenomenon that the swing rod 7 cannot reach or slip is avoided, the unlocking stability is improved, and by rotating the door lock 10, the first connecting plate 13 is driven to rotate under the cooperation of the steel wire rope 17 and the second connecting plate 14, so that the swing rod 7 rotates to unlock.

The working principle is as follows: rotating the door lock 10, driving the first connecting plate 13 to rotate under the cooperation of the steel wire rope 17 and the second connecting plate 14, so that the swing rod 7 rotates to unlock, when the telescopic rod 804 contacts the left end of the positioning block 9 and the door lock 10 cannot rotate, the latch 6 is separated from the first latch hook seat 18, the second layer door 3 slides rightwards, the telescopic rod 804 extrudes the first reset spring 803 and slides in the positioning block 9, the situation that the telescopic rod 804 and the positioning block 9 are abraded to cause incapability of limiting is avoided, so that the first layer door 2 and the second layer door 3 are separated to form a gap, a worker observes the position of a lift car and the surrounding safety condition through the gap of the layer door, prevents the layer door from being opened by mistake and directly falling into a well, ensures the safety of the worker, continues to rotate the door lock 10, so that the latch 6 is separated from the second latch hook seat 18, the layer door can be moved and can be opened completely, and the, the horizontal door unlocking device can be suitable for elevator landing doors with different structures and elevator landing doors with different heights to unlock.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a layer door lock device for elevator, includes link plate base (1), its characterized in that: a first layer door (2) and a second layer door (3) are arranged below the hanging plate base (1), a lock hook (4) and a lock (6) are installed on one side of the hanging plate base (1), a lock head (5) is arranged at one end of the lock hook (4), a lock hook seat (18) is arranged at the bottom end of the lock head (5), an oscillating rod (7) is connected to one side of the lock hook (4), a fixing rod (8) is installed on one side of the oscillating rod (7), the fixing rod (8) comprises a loop bar (801), a cavity (802) is arranged at the upper end inside the loop bar (801), a first reset spring (803) is installed inside the cavity (802), an expansion rod (804) is connected to the upper end of the first reset spring (803), a positioning block (9) is arranged above the lock hook (4), a fixing seat (12) and a door lock (10) are arranged on one side of the second layer door (3, the bottom of fixing base (12) is connected with first connecting plate (13), the one end that pendulum rod (7) were kept away from in fixing base (12) is connected with second connecting plate (14), the one end of door lock (10) is connected with dwang (11), dwang (11) are connected with second connecting plate (14) through wire rope (17) that set up, second connecting plate (14) are connected with second floor door (3) through second reset spring (15) that set up.

2. The landing door lock device for an elevator according to claim 1, wherein: the number of the lock hook seats (18) is two, the two lock hook seats (18) are distributed at the bottom end of the lock head (5) in a trapezoidal structure, and the lock latch (6) is matched with the lock hook seats (18).

3. The landing door lock device for an elevator according to claim 1, wherein: the top of telescopic link (804) is the arc structure, and the bottom of telescopic link (804) is type structure, the bottom of locating piece (9) be provided with telescopic link (804) assorted recess, and the transversal arc structure of personally submitting of recess.

4. The landing door lock device for an elevator according to claim 1, wherein: one side of the first connecting plate (13) close to the swing rod (7) is of an arc-shaped structure, the included angle between the first connecting plate (13) and the second connecting plate (14) is 90 degrees, and the first connecting plate (13) and the second connecting plate (14) are both movably connected with the fixing seat (12) through rotating shafts.

5. The landing door lock device for an elevator according to claim 1, wherein: one end, far away from the lock head (5), of the lock hook (4) is connected with a pull rope (16), and the lock hook (4) is movably connected with the hanging plate base (1) through a rotating shaft and a bearing.

6. The landing door lock device for an elevator according to claim 1, wherein: the fixed rod (8) is fixedly connected with the swing rod (7) through a bolt, and the swing rod (7) is fixedly connected with the lock hook (4) through a bolt.

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