Special easy-to-operate door lock structure for elevator

By incorporating an elastic block and pressure sensor into the elevator door lock, deformation or damage to the fixed lock hook is detected. A signal controller and alarm are used to remind the user to repair or replace the lock, thus solving the problem of unstable elevator door locking caused by deformation or damage to the fixed lock hook and improving the reliability and durability of the elevator door lock.

CN224105353UActive Publication Date: 2026-04-10FINIX ELEVATOR
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-07
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The fixed locking hook of the existing elevator door lock is prone to deformation or damage during long-term use, which affects the locking and latching effect between the rotating hook and the fixed locking hook, resulting in poor stable locking and closing effect of the elevator door.

Method used

The design employs elastic blocks and pressure sensors in conjunction with a signal controller and alarm to detect deformation or damage to the fixed locking hook, promptly alerting the user to repair or replace it, thus ensuring the effective engagement of the rotating hook and the fixed locking hook.

Benefits of technology

This enables timely maintenance of the fixed locking hook, maintains the stable locking and closing effect of the elevator door, and improves the reliability and durability of the elevator door lock.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224105353U_ABST
    Figure CN224105353U_ABST
Patent Text Reader

Abstract

The utility model discloses a special easy-to-operate door lock structure for an elevator, which particularly relates to the technical field of elevator accessories and comprises a door lock switch seat and a door hook seat, a fixed lock hook is arranged on the door lock switch seat, a rotating hook is rotatably connected onto the door hook seat through a first rotating shaft, and one end of the rotating hook is connected with the first rotating shaft in a locking and buckling manner. An elastic block is fixedly arranged on the bottom wall of the rotating hook, a pressure sensor is installed at the top end of the fixed lock hook and located under the elastic block, a signal controller electrically connected with the pressure sensor is installed on the bottom wall of the elastic block, and an alarm electrically connected with the signal controller is arranged below the door lock switch base. By means of the pressure sensor and the signal controller, the detected small abnormal pressure value can be received, the signal controller can control the alarm to buzz, and then a worker is reminded to maintain or replace the fixed lock hook; therefore, the buckling between the rotating hook and the fixed lock hook and the stable locking and closing effect of the elevator door are kept.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator accessory technical field more specifically, the utility model relates to an elevator special easy operation door lock structure. BACKGROUND

[0002] The elevator landing door is the door body for providing safety shielding on each floor where the elevator stops. To ensure that the landing door is not opened illegally before the car arrives, thereby ensuring the safety of the passengers, it is necessary to use an elevator special easy operation door lock structure to keep the two door bodies in a closed state and locked;

[0003] The existing publication No. CN222838708U discloses an elevator door lock with reliable switch contact engagement structure, which comprises a door lock switch seat and a door hook seat. A rotating hook is rotatably arranged on the door hook seat. A door lock switch with a spring conducting piece and a fixed lock hook are arranged on the door lock switch seat. An extension plate is further arranged on the horizontal plate and is fixed on the extension plate adjustment fixing hole through screws. The contact is located on the extension plate and matches the spring conducting piece. A red copper contact piece is arranged on the extension plate and can be rotated and fixed at an angle on the extension plate. The contact is located on the contact piece. During maintenance, the position of the contact can be adjusted by rotating the contact piece, without the need to replace the entire assembly. This design can greatly simplify maintenance work and improve the reliability and durability of the elevator door lock. The inventor found the following problems in the prior art during the implementation of the utility model:

[0004] In actual use, the fixed lock hook is a flexible locking piece. During the rotation and engagement of the rotating hook and the fixed lock hook, collision with the fixed lock hook is inevitable, causing deformation of the fixed lock hook. After a long period of use, the fixed lock hook will inevitably deform or be damaged, affecting the locking engagement between the rotating hook and the fixed lock hook and the stable locking and closing effect of the elevator door.

[0005] Therefore, an elevator special easy operation door lock structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides an elevator special easy operation door lock structure to solve the problems raised in the above background technology.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a special easy operation door lock structure of elevator, including door lock switch seat, door hook seat, be provided with fixed lock hook on the door lock switch seat, the door hook seat is rotatably connected with the rotating hook through the first pivot, the rotating hook one end is locked with the first pivot buckle connection, the rotating hook bottom wall is fixedly provided with the elastic piece, the fixed lock hook top and located the elastic piece directly below installation setting has pressure sensor, the elastic piece bottom wall installation setting has the signal controller of pressure sensor electric connection, the door lock switch seat below is provided with the siren of signal controller electric connection.

[0008] Preferably, the door hook seat is provided with a driving motor for driving the first pivot, and the driving motor is connected to the door hook seat through bolts.

[0009] Preferably, the door hook seat is rotatably connected with a second pivot, and the second pivot is located above the first pivot, and the second pivot edge is movably connected with the outer wall of the first pivot.

[0010] Preferably, the top of the rotating hook is provided with a horizontal plate, the horizontal plate is provided with a contact piece, and the door lock switch seat is provided with a mounting seat, and the surface of the mounting seat is provided with a plug-in opening matched with the contact piece.

[0011] Preferably, the rotating hook and the horizontal plate are connected through two fixed bolts.

[0012] Preferably, two second fixing holes matched with the bolts are formed in the door lock switch seat, a third fixing hole matched with the door lock switch seat is formed in the fixed lock hook, and two first fixing holes are formed in the surface of the door hook seat.

[0013] Preferably, a lock switch is installed in the mounting seat, and the lock switch is provided with a spring conductive piece.

[0014] The utility model discloses a technical effect and advantage:

[0015] Compared with the prior art, when the rotating hook is locked and buckled with the fixed lock hook, the elastic piece arranged on the bottom wall of the rotating hook will extrude the pressure sensor arranged on the fixed lock hook, the pressure sensor will convert the detected pressure into an electric signal, and the signal controller will receive the electric signal, when the contact piece on the rotating hook is in contact with the spring conductive piece arranged on the lock switch in the mounting seat, and the signal controller receives a pressure value less than the detected pressure value, the signal controller will control the siren to emit a buzzing sound, thereby reminding the staff to maintain or replace the fixed lock hook, so as to maintain the buckling between the rotating hook and the fixed lock hook and the stable locking and closing effect of the elevator door. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 This is a first-view three-dimensional structural diagram of the present invention.

[0017] Figure 2 This is a partial three-dimensional structural diagram of the door lock switch base of this utility model.

[0018] Figure 3 This is a second-view three-dimensional structural diagram of the present invention.

[0019] Figure 4 This is a partial three-dimensional structural diagram of the door hook seat of this utility model.

[0020] The attached diagram is labeled as follows: 1. Door lock switch base; 2. Door hook base; 3. Rotating hook; 4. First rotating shaft; 5. Second rotating shaft; 6. Fixed lock hook; 7. Elastic block; 8. Pressure sensor; 9. Signal controller; 10. Alarm; 11. Horizontal plate; 12. Fixing bolt; 13. First fixing hole; 14. Contact piece; 15. Mounting base; 16. Plug-in port; 17. Second fixing hole; 18. Third fixing hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1

[0023] As attached Figures 1 to 4 The elevator-specific easy-to-operate door lock structure shown includes a door lock switch base 1 and a door hook base 2. A fixed lock hook 6 is provided on the door lock switch base 1. A rotating hook 3 is rotatably connected to the door hook base 2 via a first rotating shaft 4. One end of the rotating hook 3 is locked and engaged with the first rotating shaft 4. An elastic block 7 is fixedly provided on the bottom wall of the rotating hook 3. A pressure sensor 8 is installed at the top of the fixed lock hook 6 and directly below the elastic block 7. A signal controller 9 electrically connected to the pressure sensor 8 is installed on the bottom wall of the elastic block 7. An alarm 10 electrically connected to the signal controller 9 is provided below the door lock switch base 1.

[0024] Wherein: when the rotating hook 3 rotates and one end is locked and buckled with the fixed lock hook 6, the elastic block 7 arranged on the bottom wall of the rotating hook 3 will extrude the pressure sensor 8, if the fixed lock hook 6 is deformed or damaged at this time, because the pressure sensor 8 is installed and arranged at the top end of the fixed lock hook 6, at this time the deformed fixed lock hook 6 will drive the pressure sensor 8 away from the elastic block 7 arranged at the bottom end of the rotating hook 3, thereby causing the pressure of the elastic block 7 on the pressure sensor 8 to decrease, the pressure sensor 8 will convert the detected pressure into an electrical signal, and the signal controller 9 will receive the electrical signal, and when the contact sheet 14 on the rotating hook 3 is in contact with the spring conductive sheet arranged on the switch lock in the mounting seat 15, and the signal controller 9 receives the pressure value detected by the pressure sensor 8 is too small, the signal controller 9 will control the buzzer 10 to emit a buzzing sound, thereby reminding the staff to maintain or replace the fixed lock hook 6, so as to maintain the buckling between the rotating hook 3 and the fixed lock hook 6 and the stable locking and closing effect of the elevator door.

[0025] Embodiment 2

[0026] On the basis of embodiment 1, the scheme in embodiment 1 is further refined in combination with the specific working mode as follows: Figures 1 to 4 as shown, see the following description in detail:

[0027] As a preferred embodiment, a driving motor for driving the first rotating shaft 4 is arranged on the door hook seat 2, the driving motor is arranged on the door hook seat 2 through bolt connection, the second rotating shaft 5 is rotatably connected to the door hook seat 2 and located above the first rotating shaft 4, and the second rotating shaft 5 is movably connected to the outer side wall of the first rotating shaft 4 at the edge, when it is necessary to rotate the rotating hook 3 to be locked and buckled with the fixed lock hook 6, the first rotating shaft 4 can be directly driven to rotate by the driving motor, then the rotating hook 3 is rotated by the rotating first rotating shaft 4, and then the one end of the rotating hook 3 is locked and buckled with the fixed lock hook 6.

[0028] As a preferred embodiment, a horizontal plate 11 is arranged at the top end of the rotating hook 3, a contact sheet 14 is arranged on the horizontal plate 11, a mounting seat 15 is arranged on the door lock switch seat 1, a plug-in opening 16 matched with the contact sheet 14 is arranged on the surface of the mounting seat 15, the rotating hook 3 and the horizontal plate 11 are connected through two fixed bolts 12, and a switch lock is arranged in the mounting seat 15, a spring conductive sheet is arranged on the switch lock, when the two elevator doors drive the door lock switch seat 1 and the door hook seat 2 to approach, and the contact sheet 14 passes through the plug-in opening 16 on the mounting seat 15 to be in contact with the spring conductive sheet arranged on the switch lock in the mounting seat 15, then the first rotating shaft 4 is driven to rotate by the driving motor, the rotating first rotating shaft 4 drives the rotating hook 3 to rotate, and then the one end of the rotating hook 3 is locked and buckled with the fixed lock hook 6.

[0029] As a preferred embodiment, the door lock switch seat 1 is provided with two second fixing holes 17 matched with the bolts, the fixed lock hook 6 is provided with a third fixing hole 18 matched with the door lock switch seat 1, and the door hook seat 2 is provided with two first fixing holes 13, which are matched with the second fixing holes 17 and the bolts, so that the door hook seat 2 and the door lock switch seat 1 can be installed and fixed on the two elevator doors, and the fixed lock hook 6 can be fixed on the door lock switch seat 1 through the third fixing hole 18 matched with the bolt.

[0030] In the embodiment, the driving motor, the pressure sensor 8, the signal controller 9 and the alarm 10 are all the devices known to the person skilled in the art and can be directly purchased on the market, and can be customized or selected according to actual needs. Here, we only use them and do not improve their structures and functions, and thus will not be described in detail.

[0031] The working process of the utility model is as follows: when the hook 3 is rotated and locked with the fixed lock hook 6, the elastic block 7 arranged on the bottom wall of the hook 3 will press the pressure sensor 8, if the fixed lock hook 6 is deformed or damaged at this time, since the pressure sensor 8 is arranged on the top end of the fixed lock hook 6, the deformed fixed lock hook 6 will drive the pressure sensor 8 away from the elastic block 7 arranged on the bottom end of the hook 3, so that the pressure of the elastic block 7 on the pressure sensor 8 is reduced, the pressure sensor 8 converts the detected pressure into an electric signal, and the signal controller 9 receives the electric signal, when the contact piece 14 on the hook 3 is in contact with the spring conductive piece arranged on the switch lock in the mounting seat 15, and the signal controller 9 receives the pressure value detected by the pressure sensor 8, if the pressure value is too small, the signal controller 9 will control the alarm 10 to emit a buzzing sound, so as to remind the staff to maintain or replace the fixed lock hook 6, so as to maintain the locking effect between the hook 3 and the fixed lock hook 6 and the stable locking and closing effect of the elevator door, and the above is the working principle of the easy-to-operate door lock structure for the elevator.

Claims

1. A special easy-to-operate door lock structure for an elevator, comprising a door lock switch seat (1), a door hook seat (2), characterized in that: The door lock switch seat (1) is provided with a fixed lock hook (6), the door hook seat (2) is rotatably connected with a rotating hook (3) through a first rotating shaft (4), one end of the rotating hook (3) is locked and clamped with the first rotating shaft (4), the bottom wall of the rotating hook (3) is fixedly provided with an elastic block (7), the top end of the fixed lock hook (6) and below the elastic block (7) is provided with a pressure sensor (8), the bottom wall of the elastic block (7) is provided with a signal controller (9) electrically connected with the pressure sensor (8), the door lock switch seat (1) is provided below with an alarm (10) electrically connected with the signal controller (9).

2. A door lock structure for an elevator according to claim 1, characterized in that: The door hook seat (2) is provided with a driving motor for driving the first rotating shaft (4), and the driving motor is connected to the door hook seat (2) by bolts.

3. A door lock structure for an elevator according to claim 1, wherein: The door hook seat (2) is rotatably connected with a second rotating shaft (5), and the second rotating shaft (5) is located above the first rotating shaft (4), and the edge of the second rotating shaft (5) is movably connected with the outer wall of the first rotating shaft (4).

4. A door lock structure for an elevator according to claim 1, wherein: The top end of the rotating hook (3) is provided with a horizontal plate (11), the horizontal plate (11) is provided with a contact piece (14), and the door lock switch seat (1) is provided with a mounting seat (15), and the surface of the mounting seat (15) is provided with an insertion port (16) matched with the contact piece (14).

5. A door lock structure for an elevator according to claim 4, wherein: The rotating hook (3) and the horizontal plate (11) are connected by two fixed bolts (12).

6. A door lock structure for an elevator according to claim 1, wherein: The door lock switch seat (1) is provided with two second fixed holes (17) matched with the bolts, the fixed lock hook (6) is provided with a third fixed hole (18) matched with the door lock switch seat (1), and the surface of the door hook seat (2) is provided with two first fixed holes (13).

7. A door lock structure for an elevator according to claim 4, wherein: The mounting seat (15) is provided with a switch lock, and the switch lock is provided with a spring conductive piece.

Citation Information

Patent Citations

  • Elevator door lock with reliable switch contact joint structure

    CN222838708U