CN217996445U

CN217996445U - Elevator door lock with remote mechanical unlocking function

Info

Publication number: CN217996445U
Application number: CN202220857378.3U
Authority: CN
Inventors: 赵南; 杨鹏
Original assignee: SUZHOU GENESIS ELEVATOR SYSTEMS CO Ltd
Current assignee: SUZHOU GENESIS ELEVATOR SYSTEMS CO Ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-12-09
Anticipated expiration: 2032-04-13

Abstract

An elevator door lock with a remote mechanical unlocking function comprises a lock body, wherein a lock tongue capable of moving up and down is arranged in the lock body, a guide pipe is also arranged in the lock body, a rope is arranged in the guide pipe, a reset spring and an unlocking plate are sleeved outside the guide pipe, one end of the reset spring is abutted against the lock body, and the other end of the reset spring is abutted against the unlocking plate; one end of the rope is fixedly connected with the unlocking plate, and the other end of the rope is used for remote unlocking; a rope control crank is further hinged in the lock body, one end of the rope control crank is hinged with the unlocking plate, and the other end of the rope control crank is hinged with the lock tongue; when the rope is pulled, the return spring is compressed, and the unlocking plate drives the rope control crank to swing and drives the lock tongue to lift and unlock; when the rope is released, the return spring resets, and the unlocking plate drives the rope control crank to swing and drives the lock tongue to descend and lock. According to the unlocking device, the rope is pulled to drive the unlocking plate to move, so that the lock tongue is driven to lift from the locking plate to unlock; when the rope is not pulled, the unlocking plate is kept in an up-locking state through the elasticity of the return spring, and the normal work of the lock tongue is not influenced.

Description

Elevator door lock with remote mechanical unlocking function

Technical Field

The utility model relates to an elevator technical field, in particular to elevator lock with long-range machinery function of unblanking.

Background

The mechanical unlocking of the existing door lock is integrated with the door lock, and the remote unlocking of the existing door lock is realized by controlling an electromagnet in the lock through an electric signal and can also be realized when an elevator car is leveled through a collision bow arranged on the car side. In the event of elevator failure or maintenance, the car is not necessarily in the leveling zone and the electric lock is usually in a power-off state, requiring manual unlocking of the lock. However, due to the structure of the elevator door, the door lock is usually installed at the upper part of the entrance, the height of the door lock from the ground is usually higher than 2000mm, and the door lock can be unlocked by a maintenance or rescue worker with the help of another tool, which causes inconvenience to the rescue of the elevator.

Therefore, in order to overcome the defects of the prior art, it is necessary to design an elevator door lock with a remote mechanical unlocking function to solve the above problems.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough among the above-mentioned prior art, the utility model aims to provide an elevator lock with long-range machinery function of unblanking.

In order to achieve the above objects and other related objects, the present invention provides a technical solution: an elevator door lock with a remote mechanical unlocking function comprises a lock body and a lock plate, wherein a lock tongue capable of moving up and down is arranged in the lock body, a lock hole for inserting the lock tongue is formed in the lock plate, a guide pipe is arranged in the lock body, a rope is arranged in the guide pipe, a reset spring and an unlocking plate are sleeved on the outer side of the guide pipe, one end of the reset spring abuts against the lock body, the other end of the reset spring abuts against the unlocking plate, one end of the rope is fixedly connected with the unlocking plate, the other end of the rope is used for remote unlocking, a rope control crank is further hinged in the lock body, one end of the rope control crank is hinged to the unlocking plate, and the other end of the rope control crank is hinged to the lock tongue; when the rope is pulled, the return spring is compressed, and the unlocking plate drives the rope control crank to swing and drives the lock tongue to lift and unlock; after the rope is released, the return spring resets, and the unlocking plate drives the rope control crank to swing and drives the lock tongue to descend and lock.

The preferable technical scheme is as follows: the lock body is also internally provided with a control circuit, an electromagnet and an electromagnet iron core, the control circuit is connected with the electromagnet, and the electromagnet iron core is driven to stretch after being electrified; an electric control crank is further hinged in the lock body, one end of the electric control crank is hinged with the end part of the electromagnet iron core through a pull rod, and the other end of the electric control crank is hinged with the lock tongue; when the electromagnet is electrified, the electromagnet core contracts to drive the electric control crank to swing and drive the lock tongue to lift and unlock; when the electromagnet is not electrified, the electromagnet core resets to drive the electric control crank to swing and drive the lock tongue to descend and lock.

The preferable technical scheme is as follows: the top of the lock tongue is connected with a contact mounting plate, and a contact is arranged on the contact mounting plate; the lock body is also internally provided with a contact seat assembly, and the contact seat assembly and the contacts are arranged up and down correspondingly.

The preferable technical scheme is as follows: the lock body is also internally provided with a rotatable unlocking rotating shaft, the unlocking rotating shaft is provided with a locking plate, and one end of the unlocking rotating shaft is connected with a triangular lock; a manual crank is further hinged in the lock body, one end of the manual crank is hinged with the lock plate, and the other end of the manual crank is hinged with the lock tongue; when the triangular lock is rotated by a key, the unlocking rotating shaft rotates to drive the manual control crank to swing and drive the lock bolt to lift, unlock or descend for locking.

The preferable technical scheme is as follows: the other end of the unlocking rotating shaft is connected with a shifting rod, the end part of the shifting rod is provided with a roller, and the roller is arranged corresponding to the side collision bow of the carriage; when the roller wheel abuts against the side impact bow of the bridge compartment, the deflector rod drives the unlocking rotating shaft to rotate, the unlocking rotating shaft rotates and drives the manual control crank to swing, and the manual control crank swings and drives the lock tongue to lift and unlock; when the roller wheel is separated from the side impact bow of the bridge compartment, the deflector rod drives the unlocking rotating shaft to rotate under the action of self weight, the unlocking rotating shaft rotates and drives the manual control crank to swing, and the manual control crank swings and drives the lock tongue to descend and lock.

Because of the application of the technical scheme, the utility model discloses the beneficial effect who has does:

the utility model provides an elevator lock with long-range mechanical unlocking function, rope and the board that unlocks are connected, drive the board action of unlocking through pulling the rope to drive the spring bolt and lift the unblock from the lockhole of jam plate, realize unblanking; the outside cover of rope is equipped with the uide bushing, and the uide bushing plays the guard action, overlaps on the uide bushing to be equipped with reset spring, and reset spring's one end offsets with the unlocking plate, and reset spring's the other end offsets with the lock body, and when the rope was not pulled, reset spring's elasticity made the unlocking plate keep at last locked state, ensured the normal work that can not influence the spring bolt.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a rear view of the present invention.

Fig. 3 is a left side view of the present invention.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1-3. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "suspended" and the like do not imply that the components are absolutely required to be horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in fig. 1-3, it is an elevator door lock with remote mechanical unlocking function that the utility model provides.

The elevator door lock comprises a lock body 1 and a lock plate 2, wherein a lock tongue 3 capable of moving up and down is arranged in the lock body 1, and a lock hole for inserting the lock tongue 3 is formed in the lock plate 2. Be equipped with the stand pipe 4 in the lock body 1, be equipped with a rope 5 in the

stand pipe

4, 4 outside covers of stand pipe are equipped with reset spring 6 and unlock plate 7, and reset spring 6's one end offsets with lock body 1, and the other end offsets with unlock plate 7, the one end of rope 5 and unlock plate 7 fixed connection, and the other end of rope 5 is used for long-range unblanking.

A rope control crank (not shown) is further hinged in the lock body 1, one end of the rope control crank is hinged with the unlocking plate 7, and the other end of the rope control crank is hinged with the lock tongue 3. When the rope 5 is pulled, the return spring 6 is compressed, and the unlocking plate 7 drives the rope control crank to swing and drives the lock tongue 3 to lift and unlock; after the rope 5 is released, the reset spring 6 resets, and the unlocking plate 7 drives the rope control crank to swing and drives the bolt 3 to descend and lock, so that the normal work of the bolt 3 is not influenced.

Furthermore, the lock body 1 is also provided with a control circuit 8, an electromagnet 9 and an electromagnet iron core 10, the control circuit 8 is connected with the electromagnet 9, and the electromagnet 9 drives the electromagnet iron core 10 to stretch and retract after being electrified. An electric control crank 11 is further hinged in the lock body 1, one end of the electric control crank 11 is hinged with the end part of the electromagnet iron core 10 through a pull rod 12, and the other end of the electric control crank is hinged with the bolt 3; when the electromagnet 9 is electrified, the electromagnet core 10 contracts to drive the electric control crank 11 to swing and drive the lock tongue 3 to lift and unlock; when the electromagnet 9 is not electrified, the electromagnet core 10 is reset to drive the electric control crank 11 to swing and drive the bolt 3 to descend and lock, so as to ensure that the normal operation of the bolt is not influenced.

In addition, the top of the bolt 3 is connected with a contact mounting plate 13, and a contact 14 is arranged on the contact mounting plate 13; the lock body 1 is also provided with a contact seat assembly 15, the contact seat assembly 15 and the contacts 14 are arranged up and down correspondingly and are used for transmitting an electric signal of the action state of the bolt 3 to an elevator control system.

Furthermore, a rotatable unlocking rotating shaft 16 is further arranged in the lock body 1, a locking plate 17 is arranged on the unlocking rotating shaft 16, and one end of the unlocking rotating shaft 16 is connected with a triangular lock 18. The lock body 1 is also hinged with a manual crank (not shown), one end of the manual crank is hinged with the lock plate 17, and the other end of the manual crank is hinged with the lock tongue 3. When the triangular lock 18 is rotated by a key, the unlocking rotating shaft 16 rotates to drive the hand control crank to swing and drive the bolt 3 to lift, unlock or lower for locking.

Furthermore, the other end of the unlocking rotating shaft 16 is connected with a shift lever 19, the end part of the shift lever 19 is provided with a roller 20, and the roller 20 is arranged corresponding to the axle side collision bow 21. When the roller 20 abuts against the bridge compartment side impact bow 21, the deflector rod 19 drives the unlocking rotating shaft 16 to rotate, the unlocking rotating shaft 16 rotates and drives the manual control crank to swing, and the manual control crank swings and drives the lock tongue 3 to lift and unlock. When the roller 20 is separated from the side impact bow 21 of the bridge compartment, the deflector rod 19 drives the unlocking rotating shaft 16 to rotate under the action of the dead weight, the unlocking rotating shaft 16 rotates and drives the manual crank to swing, the manual crank swings and drives the lock tongue 3 to descend and lock, so that the normal operation of the lock tongue is not influenced

Another application of the present application is self-rescue door opening for a car-door-free elevator or manned lift platform. A hydraulic elevator or an elevator driven by a permanent magnet synchronous motor will be described as an example.

When the elevator breaks down, the passengers can press the emergency release button in the car to enable the emergency descending valve of the hydraulic elevator to act or open the band-type brake of the permanent magnet synchronous motor with the star-sealing circuit, at this time, the elevator can run at a very low speed, and when the passengers in the elevator observe the elevator flat floor, the pressed emergency button of the elevator is released, and the elevator can stop. The door lock of the landing door can be opened by pulling the unlocking rope arranged on one side of the landing door, and the car is separated after the door is pushed open.

Therefore, the utility model has the advantages of it is following:

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides an elevator lock with long-range mechanical function of unblanking, includes lock body (1) and jam plate (2), but be equipped with spring bolt (3) of up-and-down motion in lock body (1), be equipped with the confession on jam plate (2) spring bolt (3) male lockhole, its characterized in that: a guide pipe (4) is arranged in the lock body (1), a rope (5) is arranged in the guide pipe (4), a reset spring (6) and an unlocking plate (7) are sleeved on the outer side of the guide pipe (4), one end of the reset spring (6) is abutted against the lock body (1), the other end of the reset spring (6) is abutted against the unlocking plate (7), one end of the rope (5) is fixedly connected with the unlocking plate (7), and the other end of the rope (5) is used for remote unlocking; a rope control crank is further hinged in the lock body (1), one end of the rope control crank is hinged with the unlocking plate (7), and the other end of the rope control crank is hinged with the lock tongue (3); when the rope (5) is pulled, the return spring (6) is compressed, and the unlocking plate (7) drives the rope control crank to swing and drives the lock tongue (3) to lift and unlock; after the rope (5) is released, the return spring (6) returns, and the unlocking plate (7) drives the rope control crank to swing and drives the bolt (3) to descend and lock.

2. The elevator door lock with remote mechanical unlocking function according to claim 1, characterized in that: the lock body (1) is also internally provided with a control circuit (8), an electromagnet (9) and an electromagnet iron core (10), the control circuit (8) is connected with the electromagnet (9), and the electromagnet (9) drives the electromagnet iron core (10) to stretch after being electrified; an electric control crank (11) is further hinged in the lock body (1), one end of the electric control crank (11) is hinged with the end of the electromagnet iron core (10) through a pull rod (12), and the other end of the electric control crank (11) is hinged with the bolt (3); when the electromagnet (9) is electrified, the electromagnet iron core (10) contracts to drive the electric control crank (11) to swing and drive the lock tongue (3) to lift and unlock; when the electromagnet (9) is not electrified, the electromagnet iron core (10) resets to drive the electric control crank (11) to swing and drive the bolt (3) to descend and lock.

3. The elevator door lock with remote mechanical unlocking function according to claim 1, characterized in that: the top of the lock tongue (3) is connected with a contact mounting plate (13), and a contact (14) is arranged on the contact mounting plate (13); the lock body (1) is also internally provided with a contact seat assembly (15), and the contact seat assembly (15) and the contact (14) are arranged up and down correspondingly.

4. The elevator door lock with remote mechanical unlocking function according to claim 1, characterized in that: the lock body (1) is also internally provided with a rotatable unlocking rotating shaft (16), the unlocking rotating shaft (16) is provided with a connecting plate (17), and one end of the unlocking rotating shaft (16) is connected with a triangular lock (18); a manual crank is further hinged in the lock body (1), one end of the manual crank is hinged to the connecting plate (17), and the other end of the manual crank is hinged to the lock tongue (3); when the triangular lock (18) is rotated by a key, the unlocking rotating shaft (16) rotates to drive the hand control crank to swing and drive the lock bolt (3) to lift, unlock or descend for locking.

5. The elevator door lock with remote mechanical unlocking function according to claim 4, characterized in that: the other end of the unlocking rotating shaft (16) is connected with a shifting rod (19), the end part of the shifting rod (19) is provided with a roller (20), and the roller (20) and the side impact bow (21) of the bridge compartment are correspondingly arranged; when the roller (20) is abutted against the side impact bow (21) of the bridge compartment, the deflector rod (19) drives the unlocking rotating shaft (16) to rotate, the unlocking rotating shaft (16) rotates and drives the manual control crank to swing, and the manual control crank swings and drives the lock tongue (3) to lift and unlock; when the roller (20) is separated from the bridge side impact bow (21), the shifting rod (19) drives the unlocking rotating shaft (16) to rotate under the action of self weight, the unlocking rotating shaft (16) rotates and drives the manual control crank to swing, and the manual control crank swings and drives the lock tongue (3) to descend and lock.