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CN-118108092-B - Synchronous door knife of integrated car door lock

CN118108092BCN 118108092 BCN118108092 BCN 118108092BCN-118108092-B

Abstract

The invention provides an integrated car door lock synchronous door knife, which belongs to the technical field of elevators and comprises a door knife bottom plate, wherein a door knife mechanism, a positioning plate, a lock hook swing arm and a head collision support are arranged on the door knife bottom plate, the head collision support is used for opening or closing the positioning plate, the positioning plate is used for limiting the swing of the lock hook swing arm, and the lock hook swing arm is used for driving the door knife mechanism to retract or expand. According to the elevator door locking device, the double cutters are adopted to unlock, when the elevator is close to a door closing state, the rubber collision head arranged on the collision head support opens the positioning plate, at the moment, the elevator normally operates, and the positioning plate locks the locking hook swing arm under the action of gravity and the second spring when the elevator is closed, so that misoperation of the door cutters in the operation process is prevented, the safety is high, the emergency unlocking steel wire rope is arranged on the door cutters, when the elevator cannot operate due to power failure or other reasons of the elevator, and in case of emergency, a rescue worker pulls the emergency unlocking steel wire rope to lift the locking hook, so that the elevator door plate can be opened, and the rescue difficulty is reduced.

Inventors

  • GONG GENMING
  • Cao Tingwu

Assignees

  • 江苏马尔默机电科技有限公司

Dates

Publication Date
20260508
Application Date
20240321

Claims (5)

  1. 1. The integrated car door lock synchronous door knife is characterized by comprising a door knife bottom plate (1), wherein a door knife mechanism, a positioning plate (2), a lock hook swing arm (3) and a head collision support (7) are arranged on the door knife bottom plate (1), the head collision support (7) is used for positioning the opening or closing of the plate (2), the positioning plate (2) is used for limiting the swing of the lock hook swing arm (3), and the lock hook swing arm (3) is used for driving a door knife mechanism to retract or Zhang Dao; The door lock mechanism is opened or closed through a door knife mechanism when the lock hook swing arm (3) swings, and an emergency unlocking steel wire rope (15) is arranged on the door lock mechanism; The door knife mechanism comprises a left blade (5) and a right blade (14), the left blade (5) and the right blade (14) are rotationally connected through an upper swing arm (4) and a lower swing arm (6), the upper swing arm (4) and the lower swing arm (6) are rotationally connected with a door knife bottom plate (1) through a first rotating shaft (22) and a second rotating shaft (23) respectively, a first spring (24) and a first roller (25) are arranged on the right blade (14), and the other end of the first spring (24) is fixedly connected with the door knife bottom plate (1); The locking hook swing arm (3) is fixedly connected with the first rotating shaft (22), a second roller (31) is mounted at the top end of the locking hook swing arm (3), the second roller (31) is matched with the outer edge of the trigger plate (26), a first limiting shaft (32) and a second limiting shaft (33) are fixedly connected to one side of the locking hook swing arm (3), and a reset spring assembly (8) is arranged on the right side of the locking hook swing arm (3); a first arc-shaped groove (36) and a second arc-shaped groove (37) corresponding to the first limiting shaft (32) and the second limiting shaft (33) are formed in the door knife bottom plate (1), and the first arc-shaped groove (36) and the second arc-shaped groove (37) are concentrically arranged with the first rotating shaft (22); The reset spring assembly (8) comprises a sliding rod (38), a third spring (39) is sleeved at one end of the sliding rod (38) and is fixedly connected with a fixed block (40), the other end of the sliding rod (38) penetrates through the door knife bottom plate (1), the sliding rod (38) is in sliding connection with the door knife bottom plate (1), a positioning groove is formed in the left side of the fixed block (40), a positioning column (42) is fixedly connected to the right side of the lock hook swing arm (3), and the positioning column (42) is rotationally connected in the positioning groove; the collision head support (7) comprises a cross rod (43), one end of the cross rod (43) penetrates through the door knife bottom plate (1) and is fixedly connected with a rubber collision head (44), the cross rod (43) is in sliding connection with the door knife bottom plate (1), and the other end of the cross rod (43) is fixedly connected with a vertical rod (45) through a nut (50).
  2. 2. The integrated car door lock synchronous door knife according to claim 1, wherein the positioning plate (2) comprises a trigger plate (26), the trigger plate (26) is rotationally connected with the door knife bottom plate (1) through a third rotating shaft (27), one end of the trigger plate (26) is fixedly connected with a hook (28), the other end of the trigger plate (26) is provided with a second spring (29), the other end of the second spring (29) is fixedly connected with the door knife bottom plate (1), and a positioning groove is formed in the outer edge of one side, close to the second spring (29), of the trigger plate (26).
  3. 3. The synchronous door knife of the integrated car door lock according to claim 1, wherein a stop wheel (34) is fixedly connected to the door knife bottom plate (1), and a stop groove (35) corresponding to the stop wheel (34) is formed on the left side of the locking hook swing arm (3).
  4. 4. The integrated car door lock synchronous door knife according to claim 1, wherein the door lock mechanism comprises a lock hook (12) and a contact seat fixing frame (11), the left side of the lock hook (12) is rotationally connected with the door knife bottom plate (1) through a fourth rotating shaft (46) and fixedly connected with a third limiting shaft (47), a fourth spring (48) is installed on the third limiting shaft (47), the other end of the fourth spring (48) is fixedly connected with the door knife bottom plate (1), a contact frame (9) is installed on the right side of the lock hook (12), a contact seat frame (10) is installed on the contact seat fixing frame (11), a heavy hammer (13) is fixedly connected to the lower side of the lock hook (12) and the outer edge of the lock hook is matched with the first roller (25).
  5. 5. The integrated car door lock synchronous door knife according to claim 1, wherein a through hole (49) corresponding to the third limiting shaft (47) is formed in the door knife bottom plate (1), and the top end of the emergency unlocking steel wire rope (15) is fixedly connected with the third limiting shaft (47).

Description

Synchronous door knife of integrated car door lock Technical Field The invention relates to the technical field of elevators, in particular to an integrated car door lock synchronous door knife. Background An elevator is a vertical elevator powered by a motor, equipped with a box-like car, for use in multi-story buildings for passengers or for cargo, and has become an important building apparatus in high-rise buildings and public places as a means of transportation in the vertical direction. With the obvious increase of people's consumption level, real estate developers are vigorously introduced to the middle and high-grade small and high-rise residential buildings, and the rapid increase of residential elevators is driven, so that the main growth point of the whole elevator market is realized. Along with the gradual improvement to elevator security performance requirement, door knife mechanism is installed on the door opener of elevator sedan-chair door generally, installs the keeper on the layer door correspondingly, and when door knife mechanism centre gripping keeper, the door opener can drive layer door and open and close the door together, and current door knife mechanism adopts integrated sedan-chair door lock door sword mostly, and most door knives all are single-blade arm unsteady unblock in the market, and the security is relatively poor, and elevator power failure or other causes lead to the elevator to be unable to move and when appearing emergency simultaneously, the rescue degree of difficulty is great. Disclosure of Invention The invention aims to solve the technical problem of providing an integrated car door lock synchronous door vane to solve the problems that the existing door vane mechanism is single-vane arm floating unlocking, the safety is poor, and meanwhile, when an elevator cannot operate due to power failure or other reasons, the emergency situation occurs, the rescue difficulty is high. In order to solve the technical problems, the invention provides the following technical scheme: The integrated car door lock synchronous door knife comprises a door knife bottom plate, wherein a door knife mechanism, a positioning plate, a locking hook swing arm and a head collision support are arranged on the door knife bottom plate, the head collision support is used for opening or closing the positioning plate, the positioning plate is used for limiting the swing of the locking hook swing arm, and the locking hook swing arm is used for driving the door knife mechanism to retract a knife or Zhang Dao; The door lock mechanism is opened or closed through the door knife mechanism when the lock hook swing arm swings, and an emergency unlocking steel wire rope is arranged on the door lock mechanism. Preferably, the door knife mechanism comprises a left blade and a right blade, the left blade and the right blade are rotationally connected through an upper swing arm and a lower swing arm, the upper swing arm and the lower swing arm are rotationally connected with a door knife bottom plate through a first rotating shaft and a second rotating shaft respectively, a first spring and a first roller are mounted on the right blade, and the other end of the first spring is fixedly connected with the door knife bottom plate. Preferably, the locating plate comprises a trigger plate, the trigger plate is rotationally connected with the door knife bottom plate through a third rotating shaft, one end of the trigger plate is fixedly connected with a hook, the other end of the trigger plate is provided with a second spring, the other end of the second spring is fixedly connected with the door knife bottom plate, and a locating groove is formed in the outer edge of one side, close to the second spring, of the trigger plate. Preferably, the latch hook swing arm is fixedly connected with the first rotating shaft, a second roller is mounted at the top end of the latch hook swing arm, the second roller is matched with the outer edge of the trigger plate, a first limiting shaft and a second limiting shaft are fixedly connected to one side of the latch hook swing arm, and a reset spring assembly is arranged on the right side of the latch hook swing arm. Preferably, a stop wheel is fixedly connected to the door knife bottom plate, and a stop groove corresponding to the stop wheel is formed in the left side of the lock hook swing arm. Preferably, the door knife bottom plate is provided with a first arc-shaped groove and a second arc-shaped groove corresponding to the first limiting shaft and the second limiting shaft, and the first arc-shaped groove and the second arc-shaped groove are concentrically arranged with the first rotating shaft. Preferably, the reset spring assembly comprises a sliding rod, a third spring is sleeved at one end of the sliding rod and is fixedly connected with a fixed block, the other end of the sliding rod penetrates through the door knife bottom plate, the sliding rod is in sliding connection with