CN216788072U - Elevator landing door unlocking device - Google Patents
Elevator landing door unlocking device Download PDFInfo
- Publication number
- CN216788072U CN216788072U CN202122836383.4U CN202122836383U CN216788072U CN 216788072 U CN216788072 U CN 216788072U CN 202122836383 U CN202122836383 U CN 202122836383U CN 216788072 U CN216788072 U CN 216788072U
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- landing door
- unlocking
- wire rope
- steel wire
- plate
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Abstract
The utility model discloses an elevator landing door unlocking device which comprises a landing door lockset, wherein the landing door lockset is arranged above a door pocket of a landing door and used for locking the landing door; an unlocking assembly for unlocking the landing door lockset; the lock hole assembly comprises a lock hole socket and a steel wire rope, the lock hole socket is connected with the unlocking assembly through the steel wire rope, and the lock hole socket is arranged on a column at the side of a door pocket of the landing door; the triangular key is inserted into the keyhole socket and controls the unlocking assembly to unlock the landing door lockset through the steel wire rope. The elevator landing door unlocking device takes the steel wire rope as a remote control medium, and the lock hole assembly is arranged on the door pocket upright column far away from the unlocking assembly, so that the landing door plate is kept flat and can be opened to the maximum degree; and the maintenance efficiency is improved by facilitating the operation of maintenance personnel, and the risk of injury of the maintenance personnel is reduced.
Description
Technical Field
The utility model belongs to the technical field of elevator landing door locks, and particularly relates to an elevator landing door unlocking device.
Background
The elevator mainly contains car and well, and each floor of well intercommunication, car move in the well and realize the effect that the spring layer transported passenger or goods. In order to ensure safety, the connecting ports of each floor and the hoistway are provided with landing door structures, landing doors are opened synchronously with the car doors only when the car arrives, and the landing doors are kept in a normally closed state and locked by the door locks at other times.
When a maintenance person maintains or maintains the elevator, the triangular key can be inserted into the key hole to unlock the door lock of the landing door, and the landing door is unlocked to enter the hoistway. Because the door lock of the landing door and the running mechanism for opening and closing the landing door are both arranged at the top of the landing door, usually the keyhole is arranged on the door plate of the landing door or the top beam of the landing door pocket.
When the key hole is arranged on the door plate, the key hole and the landing door plate synchronously move in the process of opening and closing the landing door, and the triangular key inserted into the key hole can be blocked by the door sleeve as a barrier protruding out of the door plate, so that the opening degree of the landing door is influenced, and large tools and materials are not easy to carry.
The key hole sets up when the door pocket back timber, because highly higher, can appear very likely that maintainer height is not enough and need just can insert the condition of key hole with the triangle key after ascending a height with the help of the foreign object, has brought injured risk for maintainer to work efficiency has been influenced.
Meanwhile, the door plate of the landing door is provided with the key hole, a drilling process needs to be additionally added in the production process, the production efficiency is influenced, and the tidiness and the attractiveness of the elevator are influenced.
In summary, there is a need for an elevator landing door unlocking device, which can arrange a key hole on a side pillar of a door pocket, so as to prevent the landing door from being opened and facilitate the operation of maintenance personnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an elevator landing door unlocking device, which can arrange a key hole on a side upright post of a door pocket, does not obstruct the opening of a landing door and is convenient for maintenance personnel to operate.
The utility model is realized by the following technical scheme:
an elevator landing door unlocking device comprises
The landing door lock is arranged above a door pocket of the landing door and used for locking the landing door;
an unlocking assembly for unlocking the landing door lockset;
the lock hole assembly comprises a lock hole socket and a steel wire rope, the lock hole socket is connected with the unlocking assembly through the steel wire rope, and the lock hole socket is arranged on a column at the side of a door pocket of the landing door; the triangular key is inserted into the keyhole socket and controls the unlocking assembly to unlock the landing door lockset through the steel wire rope.
Through the scheme, the utility model at least obtains the following technical effects:
the elevator landing door unlocking device provided by the utility model has the advantages that the locking hole assembly and the unlocking assembly are connected at a far end through the steel wire rope, so that the unlocking assembly is still arranged above the landing door sleeve and is matched with the landing door lockset, and the locking hole assembly is arranged on the upright post at the side of the door sleeve.
Compared with the scheme that the lock hole assembly is arranged on the landing door panel in the prior art, the vertical column with the lock hole assembly arranged on the side of the door pocket can avoid the problem that the landing door panel cannot be completely opened due to the fact that the triangular key becomes an obstacle protruding out of the landing door panel after the triangular key is inserted into the lock hole assembly and the moving range of the landing door panel is affected.
Compared with the scheme that the lockhole assembly is arranged on the top beam of the landing door pocket in the prior art, the upright post with the lockhole assembly arranged on the side of the door pocket is convenient for maintenance personnel to insert a triangular key for operation. The falling injury condition that the maintainer possibly appears in the process of ascending with the help of foreign objects is avoided.
The layer door plate is smooth and bright and more attractive, the drilling process is saved in the production process, and the production efficiency is improved.
Preferably, the landing door lock comprises an unlocking plate, a lock hook plate and a fixed lock hook; the unlocking plate is connected with the locking hook plate, the joint of the unlocking plate and the locking hook plate is hinged to the truss, the locking hook plate and the fixed locking hook are hooked and locked mutually, and the unlocking plate rotates along the hinged shaft to enable the locking hook plate to be tilted and separated from the fixed locking hook.
Preferably, the unlocking assembly comprises a mounting seat, a rotating shaft, a winding wheel and a beating plate; the mounting seat is arranged on the side of the unlocking plate, the winding wheel is rotatably arranged on the mounting seat through the rotating shaft, the steel wire rope is wound on the winding wheel, and the steel wire rope is pulled to drive the winding wheel to rotate; one end of the beating plate is fixed on the winding wheel, and the other end of the beating plate strikes the unlocking plate along with the rotation of the winding wheel to unlock the landing door lockset.
Preferably, a lock shaft is arranged in the keyhole socket, the steel wire rope is wound on the lock shaft, and the lock shaft rotates along with an inserted triangular key to pull the steel wire rope so as to control the unlocking assembly.
Preferably, the device further comprises a guide assembly, wherein the guide assembly comprises a first guide wheel, a second guide wheel and a third guide wheel; the first guide wheel is arranged on the mounting seat, the second guide wheel is arranged on a door pocket top beam of the landing door, and the third guide wheel is arranged at the joint of the door pocket top beam and the door pocket upright post; one end of the steel wire rope is wound on the winding wheel, and the other end of the steel wire rope sequentially passes through the three guide wheels and is wound on the lock shaft.
Preferably, the unlocking assembly further comprises a return spring, the return spring is wound on the rotating shaft, one end of the return spring is fixed to the wheel surface of the winding wheel, the return spring is used for stretching and storing energy in the process that the steel wire rope pulls the winding wheel to rotate, and the return spring drives the winding wheel to reset after the pulling action of the steel wire rope is cancelled.
Preferably, the end of the wire rope is detachably connected to the winding wheel by a joint bolt.
Preferably, both ends of the rotating shaft are connected to the mounting seat through bearings, so that the rotating shaft can rotate freely.
Preferably, the winding wheel is connected with the rotating shaft through a flat key.
The utility model has the beneficial effects that:
the elevator landing door unlocking device takes the steel wire rope as a remote control medium, and the lock hole assembly is arranged on the door pocket upright column far away from the unlocking assembly, so that the landing door plate is kept flat and can be opened to the maximum degree; and the maintenance efficiency is improved by facilitating the operation of maintenance personnel, and the risk of injury of the maintenance personnel is reduced.
Drawings
Fig. 1 is a left side schematic view of an elevator landing door unlocking apparatus according to an embodiment of the present invention.
Fig. 2 is a right side schematic view of an elevator landing door unlocking apparatus according to an embodiment of the present invention.
Fig. 3 is a partial enlarged view of a floor door locking mechanism and an unlocking assembly provided in an embodiment of the present invention.
Legend:
1-layer door lockset; 2, an unlocking component; 3, a lock hole component; 4, a guide component;
11 unlocking the lock plate; 12 a latch plate; 13 fixing a latch hook;
21 a mounting seat; 22 a rotating shaft; 23 a winding wheel; 24, beating the plate; 25 a return spring; 26 a joint bolt; 27 bearing;
31 a keyhole receptacle; 32 steel wire ropes; 33 locking the shaft;
41 a first guide wheel; 42 a second guide wheel; 43 third guide wheels.
Detailed Description
The utility model is further illustrated by the following figures and examples.
As shown in fig. 1 to 3, the present embodiment provides an elevator landing door unlocking device, which includes a landing door lock 1, an unlocking assembly 2 and a keyhole assembly 3. The landing door lock 1 is used for locking a landing door, and can drive the landing door to move and open when the landing door is controlled to open. The unlocking assembly 2 is then used to unlock the landing door latch 1. The lockhole component 3 is arranged on the upright column at the side of the door pocket and is connected with the unlocking component 2 through a steel wire rope 32. After the triangular key is inserted into the keyhole assembly 3, the steel wire rope 32 can be controlled to tighten, so that the unlocking assembly 2 is driven to operate, and the landing door lockset 1 is unlocked.
The landing door lock 1 includes an unlocking plate 11, a latch hook plate 12, and a fixed latch hook 13. The unlocking plate 11 and the lock hook plate 12 are connected to form an L shape, the joint of the two plates is hinged to the truss together to form a wane structure, and when the unlocking plate 11 is driven to swing around the hinged center, the lock hook plate 12 moves synchronously. The lock hook plate 12 and the fixed lock hook 13 are normally kept in a hooked and locked state, and when the lock hook plate 12 tilts up, the landing door lock 1 is unlocked.
Unlocking assembly 2 includes mounting base 21, pivot 22, winding wheel 23 and beater 24. The mounting seat 21 is provided on the side of the unlocking plate. The winding wheel 23 is disposed on the mounting base 21 through the rotating shaft 22, and the plane of the rotation direction of the winding theory is perpendicular to the long axis direction of the unlocking plate 11. One end of the striking plate 24 is fixed on the winding wheel 23, the other end of the striking plate strikes the unlocking plate 11 from the side of the unlocking plate 11 along with the rotation of the winding wheel 23 and pushes the unlocking plate 11 to rotate, the unlocking plate 11 rotates to drive the latch hook plate 12 to tilt, and the landing door lockset 1 is unlocked.
The keyhole assembly 3 comprises a keyhole socket 31 and a steel wire rope 32, the keyhole socket 31 is mounted on the door pocket upright post, and a lock shaft 33 is arranged in the keyhole socket 31. The wire rope 32 is wound around the lock shaft 33 at one end and the winding wheel 23 at the other end, and the wire rope 32 is tightened therebetween. After the triangular key is inserted into the keyhole socket 31, the triangular key is rotated to drive the lock shaft 33 to rotate, so that the steel wire rope 32 is pulled, the steel wire rope 32 is tightened to the lock shaft 33, the winding wheel 23 is pulled to rotate, the winding wheel 23 rotates to drive the striking plate 24 to strike the unlocking plate 11, and the unlocking of the landing door lockset 1 is realized.
Due to the complex structure between the unlocking assembly 2 and the locking hole assembly 3, in order to enable the steel wire rope 32 to change the direction under the state of keeping the tension state and not to block the operation and the practicability of the elevator landing door, the guiding assembly 4 is further arranged in one embodiment, and the guiding assembly 4 comprises a first guiding wheel 41, a second guiding wheel 42 and a third guiding wheel 43. The first guide wheel 41 is arranged on the mounting seat 21, the second guide wheel 42 is arranged on the top beam of the door pocket of the landing door, and the third guide wheel 43 is arranged at the joint of the top beam of the door pocket and the upright post of the door pocket. The wire rope 32 is arranged to pass through three guide wheels in sequence.
The first guide wheel 41 is used for adjusting the winding matching angle between the steel wire rope 32 and the winding wheel 23, and preventing the steel wire rope 32 from being separated from the winding wheel 23. The first guide wheel 41 cooperates with the second guide wheel 42 to tighten the wire rope 32 therebetween and avoid obstacles above the top beam of the door jamb. The second guide wheel 42 and the third guide wheel 43 are used for straightening and hiding the steel wire rope 32 between the two wheels along the long axis direction of the top beam of the door pocket, so that the steel wire rope 32 is prevented from being exposed in the range of the door pocket to cause interference on opening and closing of the landing door. Finally, the steel wire rope 32 is tensioned between the third guide wheel 43 and the lock shaft 33, and the steel wire rope 32 is arranged along the height direction of the door pocket upright post, so that the steel wire rope 32 is prevented from being exposed.
In one embodiment, to ensure that the landing door is automatically closed after repair, the unlocking assembly 2 further comprises a return spring 25. A connecting pad of an eccentric bulge is arranged on the wheel surface of the winding wheel 23, a spiral cylindrical return spring 25 is sleeved on the rotating shaft 22, and one end of the return spring 25 is fixed on the eccentric bulge. When the triangular key is operated by the steel wire rope 32 to rotate, the return spring 25 is pulled to stretch and store energy, the winding wheel 23 loses the pulling action force of the steel wire rope 32 after the triangular key is pulled out, the return spring 25 releases elastic potential energy to drive the winding wheel 23 to reversely rotate to wind the steel wire rope 32, the striking plate 24 fixed on the winding wheel 23 is reset to be separated from the locking plate 11, the locking plate 11 is reset, and the locking plate 12 is hooked with the fixed locking hook 13 again to complete self-locking.
In one embodiment, to facilitate adjustment of the length of the wire rope 32 and timely maintenance and replacement of the wire rope 32 or the winding wheel 23, the wire rope 32 is detachably connected to the winding wheel 23 by the joint bolt 26, and any damaged parts can be detachably replaced.
In one embodiment, to reduce the rotation resistance of the winding wheel 23, the winding wheel 23 is flat-key-connected to the rotating shaft 22 and both ends of the rotating shaft 22 are connected to bearings 27 fixed to the mounting base 21, so that the winding wheel 23 can rotate with a small friction force.
Various technical features in the above embodiments may be arbitrarily combined as long as there is no conflict or contradiction in the combination between the features, but is limited to the space and is not described one by one.
The present invention is not limited to the above-described embodiments, and various changes and modifications of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (9)
1. An elevator landing door unlocking device which characterized in that: comprises that
The landing door lock is arranged above a door pocket of the landing door and used for locking the landing door;
an unlocking assembly for unlocking the landing door lockset;
the lock hole assembly comprises a lock hole socket and a steel wire rope, the lock hole socket is connected with the unlocking assembly through the steel wire rope, and the lock hole socket is arranged on a column at the side of a door pocket of the landing door; the triangular key is inserted into the keyhole socket and controls the unlocking assembly to unlock the landing door lockset through the steel wire rope.
2. The elevator landing door opening-locking apparatus according to claim 1, wherein: the landing door lockset comprises an unlocking plate, a lock hook plate and a fixed lock hook; the unlocking plate is connected with the locking hook plate, the joint of the unlocking plate and the locking hook plate is hinged to the truss, the locking hook plate and the fixed locking hook are hooked and locked mutually, and the unlocking plate rotates along the hinged shaft to enable the locking hook plate to be tilted and separated from the fixed locking hook.
3. The elevator landing door unlocking apparatus according to claim 2, wherein: the unlocking assembly comprises a mounting seat, a rotating shaft, a winding wheel and a beating plate; the mounting seat is arranged on the side of the unlocking plate, the winding wheel is rotatably arranged on the mounting seat through the rotating shaft, the steel wire rope is wound on the winding wheel, and the steel wire rope is pulled to drive the winding wheel to rotate; one end of the beating plate is fixed on the winding wheel, and the other end of the beating plate strikes the unlocking plate along with the rotation of the winding wheel so as to unlock the layer door lockset.
4. The elevator landing door unlocking apparatus according to claim 3, wherein: the lock hole socket is internally provided with a lock shaft, the steel wire rope is wound on the lock shaft, and the lock shaft rotates along with an inserted triangular key to draw the steel wire rope so as to control the unlocking assembly.
5. The elevator landing door unlocking apparatus according to claim 4, wherein: the guide assembly comprises a first guide wheel, a second guide wheel and a third guide wheel; the first guide wheel is arranged on the mounting seat, the second guide wheel is arranged on a door pocket top beam of the landing door, and the third guide wheel is arranged at the joint of the door pocket top beam and the door pocket upright post; one end of the steel wire rope is wound on the winding wheel, and the other end of the steel wire rope sequentially passes through the three guide wheels and is wound on the lock shaft.
6. The elevator landing door unlocking apparatus according to claim 3, wherein: the unlocking assembly further comprises a reset spring, the reset spring is wound on the rotating shaft, one end of the reset spring is fixed to the wheel surface of the winding wheel, the reset spring stretches and stores energy in the process that the steel wire rope pulls the winding wheel to rotate, and the reset spring drives the winding wheel to reset after the traction effect of the steel wire rope is cancelled.
7. The elevator landing door unlocking apparatus according to claim 3, wherein: the end of the wire rope is detachably connected to the winding wheel by a joint bolt.
8. The elevator landing door unlocking apparatus according to claim 3, wherein: the two ends of the rotating shaft are connected with the mounting seat through bearings, so that the rotating shaft can rotate freely.
9. The elevator landing door unlocking apparatus according to claim 3, wherein: and the winding wheel is connected with the rotating shaft through a flat key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836383.4U CN216788072U (en) | 2021-11-18 | 2021-11-18 | Elevator landing door unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122836383.4U CN216788072U (en) | 2021-11-18 | 2021-11-18 | Elevator landing door unlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216788072U true CN216788072U (en) | 2022-06-21 |
Family
ID=82002547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122836383.4U Active CN216788072U (en) | 2021-11-18 | 2021-11-18 | Elevator landing door unlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216788072U (en) |
-
2021
- 2021-11-18 CN CN202122836383.4U patent/CN216788072U/en active Active
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