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CN-122009938-A - Car door lock device and elevator

CN122009938ACN 122009938 ACN122009938 ACN 122009938ACN-122009938-A

Abstract

The application relates to a car door lock device and an elevator, wherein the car door lock device comprises a base, a pinch roller door knife, a lifting knife assembly, an unlocking door knife, a blocking wheel and a blocking plate, the pinch roller door knife is arranged on the base in a swinging mode, the unlocking door knife is arranged on the base, the unlocking door knife is positioned on one side, close to a second door hanging plate, of the pinch roller door knife, a space for accommodating a layer door lock roller group is formed between the unlocking door knife and the pinch roller door knife, the pinch roller door knife and the unlocking door knife can jointly clamp the layer door lock roller group in the switching process of the car door lock device between a door opening state and a door closing state, the blocking plate is arranged on a door frame, the blocking wheel is rotatably arranged on the pinch roller door knife, and the blocking wheel can be matched with the blocking plate to limit upward swinging of the pinch roller door knife when the pinch roller door knife and the unlocking door knife jointly clamp the layer door lock roller group. The car door lock device can be suitable for different floor door lock devices, and is more suitable for popularization and application to old ladder transformation.

Inventors

  • MO ZHENFENG
  • WEI ZHILIN
  • TAN YONGMING
  • QIU CHENGDONG

Assignees

  • 日立电梯（中国）有限公司

Dates

Publication Date
20260512
Application Date
20241112

Claims (10)

  1. 1. A car door lock device, comprising: A door machine frame (1), wherein a first door hanging plate (10) and a second door hanging plate (11) are movably arranged on the door machine frame (1); The elevator car door lock device comprises a base (2), wherein the base (2) is fixed on a first door hanging plate (10), the first door hanging plate (10) is used for connecting a first car door, a second door hanging plate (11) is used for connecting a second car door, the first door hanging plate (10) and the second door hanging plate (11) can move away from each other so as to enable the car door lock device to enter a door opening state for separating the first car door from the second car door, and the first door hanging plate (10) and the second door hanging plate (11) can move close to each other so as to enable the car door lock device to enter a door closing state for enabling the first car door and the second car door to be closed; A pinch roller door knife (21), wherein the pinch roller door knife (21) is arranged on the base (2) in a swinging way; the cutter lifting assembly is arranged on the door machine frame (1) and can enable the pinch roller door cutter (21) to swing upwards; The unlocking door knife (24) is arranged on the base (2), the unlocking door knife (24) is positioned on one side, close to the second door hanging plate (11), of the pinch roller door knife (21), a space for accommodating a layer door lock roller group (3) is formed between the unlocking door knife (24) and the pinch roller door knife (21), and in the switching process of the car door lock device between the door opening state and the door closing state, the pinch roller door knife (21) and the unlocking door knife (24) can jointly clamp the layer door lock roller group (3); A blocking plate (13), wherein the blocking plate (13) is detachably arranged on the door machine frame (1); And the blocking wheel (212) is rotatably arranged on the pinch roller door knife (21), and when the pinch roller door knife (21) and the unlocking door knife (24) jointly clamp the layer door lock roller group (3), the blocking wheel (212) can be matched with the blocking plate (13) to limit the upward swing of the pinch roller door knife (21).
  2. 2. The car door lock device according to claim 1, wherein a plurality of mounting holes are formed in the door frame (1) at intervals, the blocking plate (13) is provided with a connecting hole, a threaded connecting piece (4) is arranged in the connecting hole in a penetrating manner, and the threaded connecting piece (4) can be connected into any mounting hole in a threaded manner.
  3. 3. The car door lock device according to claim 1, wherein the blocking plate (13) comprises a connecting portion (131), the connecting portion (131) is detachably fixed on the door machine frame (1), a waist-shaped hole (132) is formed in the connecting portion (131), a mounting hole aligned with the waist-shaped hole (132) is formed in the door machine frame (1), the car door lock device further comprises a threaded connecting piece (4), and the threaded connecting piece (4) is arranged in the waist-shaped hole (132) in a penetrating mode and can move along the waist-shaped hole (132), and the threaded connecting piece (4) is in threaded fit with the mounting hole.
  4. 4. The car door lock device according to claim 1, further comprising a connection assembly (23), wherein one end of the connection assembly (23) is rotatably connected to the base (2), the other end is rotatably connected to the pinch roller vane (21) through the connection shaft, and the blocking wheel (212) is rotatably provided on the connection shaft.
  5. 5. The car door lock device according to claim 1, characterized in that the knife lifting assembly comprises a knife lifting groove (12), the knife lifting groove (12) is arranged at the top of the door machine frame (1) and extends towards the upper side of the door machine frame (1), the top of the pinch roller door knife (21) extends to the upper side of the top of the door machine frame (1) and is rotatably provided with a knife lifting roller (211), and the knife lifting roller (211) can be in rolling fit with the knife lifting groove (12).
  6. 6. The car door lock device according to claim 5, wherein the shape of the cutter lifting groove (12) is an arc structure, and a center of the arc structure is located on a side of the cutter lifting roller (211).
  7. 7. The car door lock device according to claim 1, characterized in that the car door lock device further comprises a car door lock hook (25) and a lock head (111), the unlocking door knife (24) being swingably provided on the base (2); The car door lock hook (25) is rotatably arranged on the base (2), the car door lock hook (25) is positioned on one side of the unlocking door knife (24) close to the second door hanging plate (11), the lock head (111) is fixed on the door machine frame (1), the unlocking door knife (24) can drive the car door lock hook (25) to be connected with the lock head (111) so as to lock the car door lock device in a door closing state, and the unlocking door knife (24) can also drive the car door lock hook (25) to be separated from the lock head (111) so as to unlock the car door lock device.
  8. 8. The car door lock device according to claim 7, characterized in that an unlocking roller (251) is rotatably provided on a side of the car door lock hook (25) against the unlocking door knife (24), and the unlocking door knife (24) is in abutting engagement with the unlocking roller (251).
  9. 9. The car door lock device according to claim 7, characterized in that the car door lock device comprises a first limiting member (26) and a second limiting member (27), the first limiting member (26) and the second limiting member (27) are arranged on the base (2), the first limiting member (26) is located in a space formed between the unlocking door knife (24) and the pinch roller door knife (21), and the second limiting member (27) is located on one side of the unlocking door knife (24) against the second door hanger plate (11).
  10. 10. An elevator comprising the car door lock device according to any one of claims 1 to 9.

Description

Car door lock device and elevator Technical Field The application relates to the technical field of electrical equipment, in particular to a car door lock device and an elevator. Background With the development of electrical equipment technology, the number of old ladders in service life in China reaches tens of years or even decades is very large, and updating and transformation are urgently needed. When an old ladder is modified, a mode of reserving a landing door part and replacing a car door part is generally adopted based on the consideration of factors such as cost, construction period and performance improvement, so that the problem of matching between the modified and replaced car door side part and the reserved landing door side part is mainly expressed as the problem of matching between a car door lock device and a landing door lock device. However, because the old ladder brand is numerous, the structural dimension between the landing door lock gyro wheels is different, in order to match various landing door lock devices, different sedan-chair door lock devices need to be designed respectively, standardized design cannot be implemented, the design period is long, and popularization and use are difficult. Disclosure of Invention Accordingly, it is necessary to provide a car door lock device and an elevator, which solve the problem of matching between car door lock devices and landing door lock devices of different sizes. A car door lock device comprising: The door machine frame is movably provided with a first door hanging plate and a second door hanging plate; The first door hanging plate is used for connecting a first car door, the second door hanging plate is used for connecting a second car door, the first door hanging plate and the second door hanging plate can move away from each other so as to enable the car door lock device to enter a door opening state for separating the first car door from the second car door, and the first door hanging plate and the second door hanging plate can move close to each other so as to enable the car door lock device to enter a door closing state for enabling the first car door and the second car door to be closed; the pinch roller door knife is arranged on the base in a swinging manner; The cutter lifting assembly is arranged on the door machine frame and can enable the pinch roller door cutter to swing upwards; The unlocking door knife is arranged on the base, the unlocking door knife is positioned on one side of the pinch roller door knife, which is close to the second door hanging plate, a space for accommodating a landing door lock roller group is formed between the unlocking door knife and the pinch roller door knife, and the pinch roller door knife and the unlocking door knife can jointly clamp the landing door lock roller group in the switching process of the car door lock device between the door opening state and the door closing state; a blocking plate detachably provided on the door frame; and when the clamping wheel door knife and the unlocking door knife jointly clamp the layer door lock roller group, the blocking wheel can be matched with the blocking plate to limit the upward swing of the clamping wheel door knife. The technical scheme is further described as follows: In one embodiment, the door frame is provided with a plurality of mounting holes arranged at intervals, the blocking plate is provided with a connecting hole, a threaded connecting piece is arranged in the connecting hole in a penetrating mode, and the threaded connecting piece can be connected into any mounting hole in a threaded mode. In one embodiment, the blocking plate comprises a connecting portion, the connecting portion is detachably fixed on the door machine frame, a waist-shaped hole is formed in the connecting portion, a mounting hole aligned with the waist-shaped hole is formed in the door machine frame, the car door lock device further comprises a threaded connecting piece, the threaded connecting piece penetrates through the waist-shaped hole and can move along the waist-shaped hole, and the threaded connecting piece is in threaded fit with the mounting hole. In one embodiment, the car door lock device further comprises a connecting component, one end of the connecting component is rotatably connected with the base, the other end of the connecting component is rotatably connected with the pinch roller door knife through the connecting shaft, and the blocking wheel is rotatably arranged on the connecting shaft. In one embodiment, the knife lifting assembly comprises a knife lifting groove, the knife lifting groove is arranged at the top of the gantry crane frame and extends towards the upper side of the gantry crane frame, the top of the pinch roller gantry knife extends to the upper side of the top of the gantry crane frame, and a knife lifting roller is rotatably arranged and can be in rolling fit with the knife lifting groove. In one embodiment, the cutter lifting gr