CN216272608U

CN216272608U - Mechanical elevator safety door lock

Info

Publication number: CN216272608U
Application number: CN202122838132.XU
Authority: CN
Inventors: 陈亮亮
Original assignee: Zhejiang Economic & Trade Polytechnic
Current assignee: Zhejiang Economic & Trade Polytechnic
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-12
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a mechanical elevator safety door lock, and relates to the technical field of elevator door locks. The door panel fixing device comprises a sliding rail and fixing blocks which are arranged on the sliding rail in a sliding mode and used for fixing two door panels, the two fixing blocks are connected through a connecting piece, the two fixing blocks can move relative to each other by taking the middle position of the sliding rail as a symmetric center through the connecting piece, a driving device is arranged on the sliding rail, and one fixing block can be driven to move on the sliding rail through the driving device. The connecting piece replaces the original rope structure, so that the two fixing blocks drive the two door panels to move relatively on the sliding rail, and the driving device drives one of the door panels to move, so that the two door panels move relatively, and the door opening and closing operation is realized.

Description

Mechanical elevator safety door lock

Technical Field

The utility model relates to the technical field of elevator door locks, in particular to a mechanical elevator safety door lock.

Background

Along with the development of scientific technology and the improvement of the living standard of residents, an elevator gradually becomes an indispensable vertical transportation means in production and life, so that the safe operation of the elevator is very important, an elevator landing door lock is a main part for the safe operation of the elevator, is arranged on a landing door device of the elevator, plays a role in mechanical and electrical protection, ensures the normal up-and-down operation of the elevator and the horizontal door opening and closing movement of an elevator door, and increasingly increases the requirements on the structure and the safety performance of the elevator landing door lock in order to ensure the safe operation of the elevator, in the prior art, two elevator landing doors can be relatively moved by driving two door plates through rollers at two sides and a steel wire rope wound on the rollers, the door plates are fixed on a rope through a fixing part, one roller is driven by a motor and a belt wheel assembly to rotate so that the whole rope moves, and the two doors are relatively moved, therefore, the door can be opened and closed, but the rope structure has the defects that the rope structure is easy to loosen for a long time, the rope and the fixed part are easy to separate and slide, once the rope structure is adopted, the door is not controlled and can be directly opened, and the door is very dangerous, so that the prior art needs to be improved to replace the rope structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems in the background, the utility model provides a mechanical elevator safety door lock.

The utility model specifically adopts the following technical scheme for realizing the purpose:

the mechanical elevator safety door lock comprises a sliding rail and fixing blocks which are arranged on the sliding rail in a sliding mode and used for fixing two door plates, the two fixing blocks are connected through a connecting piece, the two fixing blocks can move relative to each other by taking the middle position of the sliding rail as a symmetry center through the connecting piece, a driving device is arranged on the sliding rail, and one fixing block can be driven to move on the sliding rail through the driving device.

Furthermore, the connecting piece comprises a telescopic body formed by splicing a plurality of fork frames, and two symmetrical free ends positioned at two ends of the telescopic body are respectively connected with the two fixing blocks.

Further, one of the hinge points between the two fork shearing frames positioned in the middle of the telescopic body is hinged with the middle part of the slide rail.

Further, drive arrangement including install in the gear motor of slide rail tip, gear motor is connected with the push rod spare through the driving medium, the push rod spare other end and one of them the fixed block is connected, works as during the gear motor action, can drive the motion of push rod spare, thereby the drive the fixed block is in slide on the slide rail.

Further, the push rod piece includes one of them fixed block looks articulated hinge rod, the hinge rod other end articulates there is the actuating lever, the actuating lever other end through with self looks fixed articulated shaft with the tip of slide rail is articulated mutually, and this articulated shaft one end with the driving medium is connected.

Further, the transmission member includes two gears engaged with each other, one of the gears is fixed to an output shaft of the reduction motor, and the other gear is fixed to an end of a hinge shaft fixed to the driving lever.

Furthermore, two fixed blocks are respectively fixed with a vertical sliding seat, the other two symmetrical free ends at the two ends of the telescopic body are hinged with sliding blocks, and the sliding blocks are slidably mounted on the sliding seats.

The utility model has the following beneficial effects:

1. the connecting piece replaces the original rope structure, so that the two fixing blocks drive the two door panels to move relatively on the sliding rail, and the driving device drives one of the door panels to move, so that the two door panels move relatively, and the door opening and closing operation is realized.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a further perspective view of the present invention;

FIG. 3 is a perspective view of a portion of the present invention;

FIG. 4 is a perspective view of the drive assembly of the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 2;

reference numerals: 1. a slide rail; 2. a fixed block; 3. a connecting member; 301. a telescopic body; 4. a drive device; 401. a reduction motor; 402. a transmission member; 403. a pusher member; 4031. a hinged lever; 4032. a drive rod; 5. a slide base; 6. a slide block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1 and 2, a mechanical elevator safety door lock comprises a sliding rail 1 and fixing blocks 2 slidably mounted on the sliding rail 1 for fixing two door panels, the number of the fixing blocks 2 is two corresponding to two door panels, the two fixing blocks 2 are connected by a connecting member 3, the two fixing blocks 2 can move relatively by taking the middle position of the sliding rail 1 as a symmetric center through the connecting member 3, a driving device 4 is arranged on the sliding rail 1, one of the fixing blocks 2 can be driven to move on the sliding rail 1 by the driving device 4, when one of the fixing blocks 2 is driven to slide on the sliding rail 1 by the driving device 4, the other fixing block 2 can be driven by the connecting member 3 to move, the two fixing blocks 2 can move relatively to the middle point of the sliding rail 1, so as to drive the two door panels to move relatively, thereby realizing the action of opening and closing the door, the rope structure can replace the prior rope structure, and is safer and more reliable.

As shown in fig. 3, in some embodiments, the connecting member 3 includes a telescopic body 301 formed by splicing a plurality of fork-shaped frames, two symmetrical free ends at two ends of the telescopic body 301 are respectively connected to two fixed blocks 2, and any two symmetrical free ends on the fork-shaped frames have a property of generating relative motion, so that two free ends at two ends of the telescopic body 301, which use their own middle positions as symmetry points, can perform relative motion with respect to their own middle positions, and thus when the driving device 4 drives one of the fixed blocks 2 to displace, the driving device can synchronously drive the other fixed block 2 to move in opposite directions under the driving of the telescopic member 301, thereby moving two door panels.

As shown in fig. 3, in some embodiments, one of the hinge points between the two scissor brackets located in the middle of the telescopic body 301 is hinged to the middle of the slide rail 1, and because the two end portions of the telescopic body 301 can move relative to the middle of itself, the hinge point can move relative to each other, so that the two fixed blocks 2 can move relative to the middle of the slide rail 1, and thus the two door panels can be driven to move relative to the slide rail 1.

As shown in fig. 1, 2 and 4, in some embodiments, the driving device 4 includes a reduction motor 401 installed at an end of the sliding rail 1, the reduction motor 401 is connected to a push rod 403 through a transmission member 402, the other end of the push rod 403 is connected to one of the fixed blocks 2, when the reduction motor 401 operates, the push rod 403 is driven to move, so as to drive the fixed blocks 2 to slide on the sliding rail 1, thereby driving the door panel on one side to move, and the door panel on the other side to move correspondingly.

As shown in fig. 1, 2 and 4, in some embodiments, the push rod member 403 includes a hinge bar 4031 hinged to one of the fixed blocks 2, the other end of the hinge bar 4031 is hinged to a driving rod 4032, the other end of the driving rod 4032 is hinged to the end of the slide rail 1 through a hinge shaft fixed to the driving rod 4032, and one end of the hinge shaft is connected to the driving member 402, when the reduction motor 401 rotates the hinge shaft through the driving member 402, the end of the driving rod 4032 connected to the hinge bar 4031 rotates relative to the hinge shaft, so as to drive the hinge bar 4031 to move, and the fixed block 2 is carried on the slide rail 1 to move because the hinge bar 4031 is hinged to the fixed block 2.

As shown in fig. 4, in some embodiments, the transmission member 402 comprises two gears engaged with each other, one of the gears is fixed to the output shaft of the reduction motor 401, and the other gear is fixed to the end of the hinge shaft fixed to the driving rod 4032, so that when the reduction motor 401 is actuated, the two gears are driven to rotate, thereby driving the hinge shaft to rotate, and driving the driving rod 4032 to move.

As shown in fig. 2 and 5, in some embodiments, the two fixed blocks 2 are fixed with vertical sliding seats 5, and two other symmetrical free ends at two ends of the telescopic body 301 are hinged with sliding blocks 6, the two free ends are redundant and have no other function, the sliding blocks 6 are slidably mounted on the sliding seats 5, so that the two free ends do not suspend in the air, and a carrier is provided for the two free ends, thereby making the movement of the whole telescopic body 301 more stable.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The mechanical elevator safety door lock is characterized by comprising a sliding rail (1) and fixing blocks (2) which are arranged on the sliding rail (1) in a sliding mode and used for fixing two door panels, the two fixing blocks (2) are connected through a connecting piece (3), the two fixing blocks (2) can move relative to each other by taking the middle position of the sliding rail (1) as a symmetry center through the connecting piece (3), a driving device (4) is arranged on the sliding rail (1), and one fixing block (2) can be driven to move on the sliding rail (1) through the driving device (4).

2. The mechanical elevator safety door lock according to claim 1, characterized in that the connecting member (3) comprises a telescopic body (301) formed by splicing a plurality of fork frames, and two symmetrical free ends at two ends of the telescopic body (301) are respectively connected with two fixing blocks (2).

3. A mechanical elevator safety door lock according to claim 2, characterized in that one of the hinge points between the two scissor brackets located in the middle of the telescopic body (301) is hinged to the middle of the sliding rail (1).

4. A mechanical elevator safety door lock according to claim 1, characterized in that the driving device (4) comprises a reduction motor (401) installed at the end of the sliding rail (1), the reduction motor (401) is connected with a push rod member (403) through a transmission member (402), the other end of the push rod member (403) is connected with one of the fixed blocks (2), when the reduction motor (401) is operated, the push rod member (403) is driven to move, so as to drive the fixed block (2) to slide on the sliding rail (1).

5. A mechanical elevator safety door lock according to claim 4, characterized in that the push rod member (403) comprises a hinge bar (4031) hinged to one of the fixed blocks (2), the other end of the hinge bar (4031) is hinged to a driving rod (4032), the other end of the driving rod (4032) is hinged to the end of the sliding rail (1) through a hinge shaft fixed to the driving rod (402) and one end of the hinge shaft is connected to the driving member.

6. Mechanical elevator safety door lock according to claim 5, characterized in that the transmission member (402) comprises two gears meshing with each other, one of which is fixed to the output shaft of the reduction motor (401) and the other is fixed to the end of the hinge shaft fixed to the driving rod (4032).

7. A mechanical elevator safety door lock according to claim 2, characterized in that a vertical sliding seat (5) is fixed on each of the two fixing blocks (2), and two other symmetrical free ends at the two ends of the telescopic body (301) are hinged with sliding blocks (6), and the sliding blocks (6) are slidably mounted on the sliding seats (5).