CN215108131U

CN215108131U - Unlocking device for car type elevator hall door

Info

Publication number: CN215108131U
Application number: CN202023184250.5U
Authority: CN
Inventors: 欧家坤; 欧晓婷; 毕一民; 占战辉
Original assignee: Guangdong Crowtor Elevator Group Co ltd
Current assignee: Guangdong Crowtor Elevator Group Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-12-10
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses an unlocking device for a car type elevator hall door, which relates to the technical field of elevators, and comprises an unlocking device main body, wherein the left side of the surface of the unlocking device main body is provided with a cylinder, the cylinder is connected with a static latch hook in an integrated manner, the right side of the surface of the unlocking device main body is fixedly provided with a connecting plate, the upper end of the connecting plate is movably connected with a mounting bolt, the mounting bolt is fixedly connected with a lifting plate, one side of the lifting plate is provided with a bolt hole, the bolt hole is inserted with a bolt, the left side of the lifting plate is fixedly connected with a lifting sleeve, the lifting sleeve is connected with a movable latch hook in an integrated manner, a safety switch is fixedly arranged above the lifting sleeve, the safety switch of an elevator during maintenance or rescue is increased by arranging the safety switch, the safety switch is connected with an elevator main control plate, and when the safety switch is triggered, the safety switch outputs signals to the elevator main control plate, the elevator safety loop is prevented from being closed to cause accidental casualties.

Description

Unlocking device for car type elevator hall door

Technical Field

The utility model relates to an elevator technical field specifically is a car formula hoistway is unlocking device for door.

Background

The elevator is as common vertical lift instrument, generally uses in areas such as large-scale commercial building or office building, and in the elevator operation, if the car takes place unexpected removal, rescue personnel need open the sedan-chair door from the lobby to when letting out trapped personnel, and the elevator need often maintain and maintain, consequently needs an outside unlocking means to be convenient for open the car door.

When the unlocking device on the current market has an accident fault, the movable locking hook is difficult to separate from the fixed locking hook, so that trapped persons and rescue workers are difficult to open the car door, the difficulty is increased for rescue, and when the door lock of the elevator door is opened, the electrical safety loop is disconnected, the elevator is not started, but in the actual operation process, as a forced locking device is also arranged on some elevator layer doors, once the elevator door cannot be kept in an opening state, the closed safety loop of the elevator door is closed, casualty accidents are easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an unlocking device for car formula hoistway door to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a car formula is unlocking means for hoistway door, includes unlocking means main part, its characterized in that: the utility model discloses a safety switch, including unlocking device main part surface, cylinder, lifting plate, keyhole, bolt fixed connection stay cord head, stay cord body, lifting plate left side fixed connection lifting sleeve, lifting sleeve integral type connection movable lock hook, lifting sleeve fixed connection spring, lifting sleeve top fixed mounting has safety switch.

Preferably, the cylinder is fixedly arranged at the top of the car door, the output end of the cylinder is connected with the static lock hook, and the cylinder is controlled by an independent power supply.

Preferably, the connecting plate is installed and fixed on the unlocking device main body through mounting holes, and the four mounting holes are formed and used for inserting screws for fixing.

Preferably, the mounting bolt penetrates through the unlocking device main body, the connecting plate and the lifting plate to be fixed, and the central point of rotation of the lifting plate is the mounting bolt.

Preferably, the bolt hole enables the pull rope head to be fixed on one side of the lifting plate through a bolt, and the pull rope head and the pull rope body are of an integrated structure.

Preferably, the movable lock hook and the lifting sleeve are of an integrated structure, and the movable lock hook is matched with the static lock hook.

Preferably, the safety switch is arranged at the top of the unlocking device main body and is positioned right above the lifting sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model provides a car formula is unlocking device for hoistway door, the security of elevator when having increased maintenance or rescue through setting up safety switch, and safety switch connects the elevator main control board, and when safety switch was triggered, safety switch output signal gave the elevator main control board, prevents that the closed accident of resulting in of elevator safety circuit from dying of death.

(2) The utility model provides a car formula hoistway is unlocking means for door, can be quick break away from moving the latch hook from the static latch hook through setting up the stay cord body for unlocking means can open rapidly, has improved the efficiency of unblanking.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the safety switch of the present invention;

FIG. 3 is a schematic view of the connecting plate structure of the present invention;

fig. 4 is a schematic view of the structure of the pull rope of the present invention.

In the figure: 1. an unlocking device main body; 2. a cylinder; 3. a static latch hook; 4. a connecting plate; 5. mounting holes; 6. installing a bolt; 7. a lifting plate; 8. a keyhole; 9. a bolt; 10. pulling the rope end; 11. a pull rope body; 12. a lifting sleeve; 13. a movable lock hook; 14. a spring; 15. a safety switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a car formula is unlocking means for hoistway door, includes unlocking means main part 1, its characterized in that: the left side of 1 surface of unlocking means main part is provided with

cylinder

2, 2 integral type connection static latch hooks 3 of cylinder, 1 surface right side fixed mounting of unlocking means main part has connecting plate 4, mounting hole 5 has been seted up on the surface of connecting

plate

4, 6 are tied to 4 upper end swing joint installation of connecting plate, 6 fixed connection lifting plate 7 are tied to the installation, keyhole 8 has been seted up to lifting plate 7 one side, keyhole 8 alternates there is bolt 9, bolt 9 fixed connection stay cord head 10, stay cord body 11 is connected to stay cord head 10 lower extreme integral type, lifting plate 7 left side fixed connection lifting sleeve 12, lifting sleeve 12 integral type connection movable latch hook 13, lifting sleeve 12 fixed connection spring 14, lifting sleeve 12 top fixed mounting has safety switch 15.

Referring to fig. 1, the cylinder 2 is fixedly arranged at the top of the car door, the output end of the cylinder 2 is connected with the static lock hook 3, and the cylinder 2 is controlled by an independent power supply.

Further, the cylinder 2 may advance the static locking hook 3 forward or withdraw the static locking hook 3 backward, and the cylinder 2 uses an independent power supply to be protected from the elevator power failure or malfunction.

Referring to fig. 1 and 3, the connecting plate 4 is fixed to the unlocking device main body 1 through the mounting hole 5, and four mounting holes 5 are opened for inserting screws to fix.

Furthermore, the connecting plate 4 and the unlocking device main body 1 are fixedly installed and disassembled by screws through the mounting holes 5 formed in the four corners of the connecting plate 4, so that the unlocking device main body 1 is convenient to maintain and repair.

Referring to fig. 1 and 3, the mounting bolt 6 penetrates through the unlocking device body 1, the connecting plate 4 and the lifting plate 7 to be fixed, and the central point of rotation of the lifting plate 7 is the mounting bolt 6.

Further, the lifting plate 7 is movable on the connecting plate 4 by the mounting bolts 6, so that both ends of the lifting plate 7 can move up and down.

Referring to fig. 1, 2, 3 and 4, the bolt hole 8 fixes a rope head 10 to the lift plate 7 side by a bolt 9, and the rope head 10 and the rope body 11 are integrally formed.

Further, the rope head 10 is fixed to the lifting plate 7 side by the bolt 9, and the rope body 11 integrally connected to the rope head 10 can lift the other end of the lifting plate 7 by a force.

Referring to fig. 1, the movable locking hook 13 and the lifting sleeve 12 are of an integrated structure, and the movable locking hook 13 is matched with the stationary locking hook 3.

Further, when the pull rope body 11 on one side of the lifting plate 7 is pulled, the lifting sleeve 12 rises to separate the movable locking hook 13 from the inside of the static locking hook 3, and when the elevator car door is not used, the static locking hook 3 and the movable locking hook 13 are mutually meshed, so that the elevator car door cannot be opened brute force.

Referring to fig. 1 and 2, the safety switch 15 is arranged on the top of the unlocking device main body 1, and the safety switch 15 is located right above the lifting sleeve 12.

Further, the lifting sleeve 12 rises under the action of the pull rope body 11 and touches the safety switch 15, the safety switch 15 is arranged on the elevator main control board, when the safety switch 15 is triggered, the safety switch 15 outputs a signal to the elevator main control board, and accidental casualties caused by the closing of an elevator safety loop are prevented.

The working principle is as follows: when the device is used, firstly, the unlocking device main body 1 is installed at a proper position, the cylinder 2 at the left side of the unlocking device main body 1 can push the static lock hook 3 forwards or withdraw the static lock hook 3 backwards, and the cylinder 2 utilizes an independent power supply to prevent the cylinder 2 from being influenced by power failure or fault of an elevator, the connecting plate 4 at the right side of the unlocking device main body 1 is connected with the lifting plate 7, one side of the lifting plate 7 is fixed with the rope pulling head 10 through the bolt 9, one side of the lifting plate is integrally connected with the lifting sleeve 12, the spring 14 is connected below the lifting sleeve 12, so that two ends of the lifting plate 7 can move up and down on the connecting plate 4 by taking the mounting bolt 6 as a central point, then when the device is used for rescue or elevator maintenance, the pulling rope body 11 is pulled, the pulling rope body 11 lifts the lifting sleeve 12, the movable lock hook 13 integrally connected with the lifting sleeve 12 is separated from the inside of the static lock hook 3, so that an elevator car door is opened, and the pulling rope body 11 is used for lifting sleeve 12 to ascend, lifting sleeve 12 touches safety switch 15, safety switch 15 elevator master control board, when safety switch 15 was triggered, safety switch 15 output signal gave the elevator master control board, prevented that the closed accident casualties that leads to of elevator safety circuit, made it guarantee rescue personnel, stranded personnel and maintenance personal's safety, after rescue or maintenance completion, stimulate stay cord body 11 once more, safety switch 15 is touched once more, output signal gives the elevator master control board, makes the elevator resume normal operating.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a car formula is unlocking means for hoistway door, includes unlocking means main part (1), its characterized in that: the device is characterized in that a cylinder (2) is arranged on the left side of the surface of an unlocking device main body (1), a static lock hook (3) is integrally connected with the cylinder (2), a connecting plate (4) is fixedly arranged on the right side of the surface of the unlocking device main body (1), a mounting hole (5) is formed in the surface of the connecting plate (4), a mounting bolt (6) is movably connected with the upper end of the connecting plate (4), a lifting plate (7) is fixedly connected with the mounting bolt (6), a bolt hole (8) is formed in one side of the lifting plate (7), a bolt (9) is inserted into the bolt hole (8), a rope pulling head (10) is fixedly connected with the bolt (9), a rope pulling body (11) is integrally connected with the lower end of the rope pulling head (10), a lifting sleeve (12) is fixedly connected with the left side of the lifting plate (7), a movable lock hook (13) is connected with the lifting sleeve (12), and a spring (14) is fixedly connected with the lifting sleeve (12), a safety switch (15) is fixedly arranged above the lifting sleeve (12).

2. The unlocking device for a car-type hoistway door according to claim 1, wherein: the air cylinder (2) is fixedly arranged at the top of the car door, the output end of the air cylinder (2) is connected with the static lock hook (3), and the air cylinder (2) is controlled by an independent power supply.

3. The unlocking device for a car-type hoistway door according to claim 1, wherein: the connecting plate (4) is installed and fixed on the unlocking device main body (1) through the mounting holes (5), and four mounting holes (5) are formed and used for inserting screws for fixing.

4. The unlocking device for a car-type hoistway door according to claim 1, wherein: the mounting bolt (6) penetrates through the unlocking device main body (1), the connecting plate (4) and the lifting plate (7) to be fixed, and the rotating central point of the lifting plate (7) is the mounting bolt (6).

5. The unlocking device for a car-type hoistway door according to claim 1, wherein: the bolt hole (8) enables the stay cord head (10) to be fixed on one side of the lifting plate (7) through a bolt (9), and the stay cord head (10) and the stay cord body (11) are of an integrated structure.

6. The unlocking device for a car-type hoistway door according to claim 1, wherein: the movable lock hook (13) and the lifting sleeve (12) are of an integrated structure, and the movable lock hook (13) is matched with the static lock hook (3).

7. The unlocking device for a car-type hoistway door according to claim 1, wherein: the safety switch (15) is arranged at the top of the unlocking device main body (1), and the safety switch (15) is positioned right above the lifting sleeve (12).