CN216583699U

CN216583699U - Improved structure of elevator door motor synchronous engaging device

Info

Publication number: CN216583699U
Application number: CN202122606022.0U
Authority: CN
Inventors: 罗长新
Original assignee: Westinghouse Platform Screen Doors Guangzhou Co ltd
Current assignee: Westinghouse Platform Screen Doors Guangzhou Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-05-24
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses an improved structure of an elevator door motor synchronous engaging device, which comprises a back plate, a rocker assembly, a latch hook assembly and a connecting rod assembly, wherein the rocker assembly is rotatably installed on the back plate, the connecting rod assembly is rotatably installed with the back plate, the connecting rod assembly is connected with the rocker assembly, the latch hook assembly is rotatably installed with the back plate through a latch hook connecting shaft, a touch piece is rotatably installed on the back plate through a first limiting shaft and is connected with the back plate through a first spring, the swing rod assembly is arranged on the back plate, the rocker assembly is touched in the rotating process of the rocker assembly, and the latch hook assembly is enabled to rotate around the latch hook connecting shaft under the contact action of the swing rod assembly swinging to the latch hook assembly. The utility model has stable structure and more reliable operation.

Description

Improved structure of elevator door motor synchronous engaging device

Technical Field

The utility model belongs to the technical field of elevators, and particularly relates to an improved structure of an elevator door motor synchronous engaging device.

Background

In recent years, elevator accidents frequently occur, an elevator stops for people due to faults, and a car of the elevator can be in a flat zone state or a non-flat zone state; however, the trapped people are often worried about to open the elevator car door alone, which is very common in movies or television shows, but the danger is extremely great.

When the elevator breaks down, the passengers in the elevator car are prevented from being trapped in a non-unlocking area to carry out unreasonable escape behaviors, so that when the elevator car is out of the unlocking area, non-professionals cannot open the elevator door on the elevator door side and the elevator landing door side, and the elevator door motor is required to have the elevator door lock function.

According to the new national standard of GB7588, the force for preventing the door from being pulled out is required to be 1000N in the place which is not close to the landing, namely the non-unlocking area, and the opening of the car door is not more than 50 mm. And the tying device can pass through a landing door ball in an unlocking area, and the tying device is opened and closed on the side of the car door, so that the escape function is realized. The asynchronous door machine of elevator on the market leads to lock gyro wheel and door sword to restrict the size each other owing to the theory of operation, and the installation accuracy requires highly, meets the unexpected time that can not close completely of layer door, can appear to bind the locking hook inefficacy, leads to the door machine to can not reopen the door.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an improved structure of an elevator door motor synchronous engaging device.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an improvement structure of elevator door motor synchronous system closes device, includes backplate, rocker subassembly, latch hook subassembly, link assembly, the rocker subassembly rotates to be installed on the backplate, link assembly rotates with the backplate and installs to link assembly and rocker subassembly erection joint, the latch hook subassembly rotates with the backplate through the latch hook connecting axle and installs, rotate through first spacing axle on the backplate and install and touch the piece, should touch the piece and be connected with the backplate through first spring, be equipped with the pendulum rod subassembly on the backplate, the rocker subassembly rotates the in-process and forms the touching to the pendulum rod subassembly, make the pendulum rod subassembly swing form the contact effect to the latch hook subassembly and make the latch hook subassembly rotate around the latch hook connecting axle.

The swing link assembly comprises a long swing link and a short swing link, the length of the long swing link is larger than that of the short swing link, one end of the long swing link is rotatably mounted on the back plate through a long swing link fixing shaft, one end of the short swing link is rotatably mounted with the lock hook assembly through a short swing link connecting shaft, the other end of the long swing link and the other end of the short swing link are rotatably mounted through a long swing link connecting shaft, and the short swing link moves after being pulled by the long swing link to enable the lock hook assembly to follow the movement.

The back plate is provided with a sliding chute, and the long swing rod connecting shaft is positioned in the sliding chute.

The rocker component comprises a rocker and a push plate, the rocker is rotatably mounted on the back plate through a rocker connecting shaft, an upward pushing shaft and a downward pushing shaft are arranged on the rocker, the upward pushing shaft and the downward pushing shaft are respectively rotatably connected with the connecting rod component, the push plate is rotatably connected with the rocker through a push plate connecting shaft and a downward pushing shaft, the push plate is in contact with the long oscillating rod, and an upper rocker column and a lower rocker column are arranged on the rocker.

And a bearing is arranged on the push plate and is in touch connection with the long swing rod.

The back plate is provided with a second limiting shaft for limiting the rotation of the rocker, and a limiting area of the rocker is formed in an area between the first limiting shaft and the second limiting shaft.

An included angle is formed between the push plate and the rocker.

The long swing rod and the short swing rod are arranged in an arc shape.

The long swing rod and the short swing rod are arranged on the back plate in different directions.

The connecting rod assembly comprises a left door knife, a right door knife, an upper connecting rod and a lower connecting rod, the upper connecting rod is rotatably mounted with a rocker connecting shaft, an upward pushing shaft and a downward pushing shaft, the upper connecting rod is rotatably connected with the left door knife and the right door knife respectively, the lower connecting rod is arranged in the lower area of the upper connecting rod and rotatably mounted with the back plate, and two ends of the lower connecting rod are rotatably connected with the left door knife and the right door knife respectively.

According to the utility model, the swing rod assembly is arranged, and the swing rod assembly is driven to move by the action of the rocker, so that the latch hook assembly is driven to move by the swing rod assembly, the whole structure is stable, and the operation is more reliable.

Drawings

FIG. 1 is a schematic view of the back side structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

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

FIG. 4 is a schematic view of an external pretensioning device of the present invention in cooperation with a trip member;

FIG. 5 is a schematic view of the pretensioning device of FIG. 4;

fig. 6 is a schematic view of the tensioning groove of fig. 4.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are referred to, they refer to the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in the attached drawings 1-3, the utility model provides an improved structure of an elevator door motor synchronous engaging device, which comprises a back plate 1, a rocker assembly 3, a latch hook assembly 5 and a connecting rod assembly, wherein the rocker assembly 3 is rotatably installed on the back plate 1, the connecting rod assembly is rotatably installed with the back plate 1, the connecting rod assembly is connected with the rocker assembly 3, the latch hook assembly 5 is rotatably installed with the back plate 1 through a latch hook connecting shaft 20, a touch member 10 is rotatably installed on the back plate 1 through a first limiting shaft 12, the touch member 10 is connected with the back plate 1 through a first spring 14, the back plate 1 is provided with the rocker assembly, the rocker assembly is touched in the rotating process of the rocker assembly, and the swing of the rocker assembly forms a contact action on the latch hook assembly to enable the latch hook assembly to rotate around the connecting shaft latch hook. The rocker assembly rotates in a certain range circumferentially, drives the rocker assembly to move, drives the connecting rod assembly to close and open simultaneously, and the rocker assembly drives the latch hook assembly to move, and the latch hook assembly forms a hooking locking on the car door, so that the car door is prevented from being opened accidentally.

The first spring 14 is directly connected with the back plate 1, so that in the rotating process of the touch part, only one end of the first spring rotates along with the touch part, and the other end of the first spring is fixed, thereby avoiding influence on the magnitude of the spring force due to simultaneous movement of the two ends of the spring, and ensuring stable and reliable force output of the first spring. The first spring promotes the touch piece to rotate, and can form a tension limiting effect on the touch piece.

The swing link assembly comprises a long swing link 18 and a short swing link 30, the length of the long swing link 18 is larger than that of the short swing link 30, one end of the long swing link 18 is rotatably mounted on the back plate 1 through a long swing link fixing shaft 26, one end of the short swing link 30 is rotatably mounted with the lock hook assembly 5 through a short swing link connecting shaft 9, the other end of the long swing link 18 and the other end of the short swing link 30 are rotatably mounted through a long swing link connecting shaft 19, a sliding groove is formed in the back plate 1, the long swing link connecting shaft is located in the sliding groove, and the short swing link is pulled by the long swing link to move so that the lock hook assembly follows the movement. Through the linkage action of the long swing rod and the short swing rod, the lock hook assembly is touched, and the lifting of the lock hook assembly is realized.

The rocker assembly 3 comprises a rocker 31 and a push plate 16, the rocker 31 is rotatably mounted on the back plate 1 through a rocker connecting shaft 21, an upward pushing shaft 22 and a downward pushing shaft 23 are arranged on the rocker 31, the upward pushing shaft 22 and the downward pushing shaft 23 are respectively and rotatably connected with the connecting rod assembly, the push plate 16 is rotatably connected with the rocker 31 through a push plate connecting shaft 24 and a downward pushing shaft 23, a bearing 17 is arranged on the push plate 16, and the bearing 17 is in touch connection with the long rocker 18. The rocker 31 is provided with an upper rocker column 12 and a lower rocker column 13. The pushing shaft 23 and the pushing plate connecting shaft 24 are respectively connected with each other through the pushing plate 16, so that the rocker is connected with the pushing plate through the pushing shaft and the pushing plate connecting shaft, the rocker is in double connection, the structure is more reliable, and the operation is more stable.

The back plate 1 is provided with a second limiting shaft 15 for limiting the rotation of the rocker 31, and a limiting area of the rocker 31 is formed in the area between the first limiting shaft 11 and the second limiting shaft 15, so that the rocker is limited to rotate within a certain range.

In addition, an included angle is formed between the push plate 16 and the rocker 31, and the push plate can be in a triangular shape and is arranged obliquely. The long swing link and the short swing link are arranged in a certain arc shape. And the long swing rod is selected to be arranged in the horizontal direction, namely the transverse direction of the back plate, the short swing rod is positioned above the long swing rod, and the vertical direction is arranged in the vertical direction of the back plate.

The connecting rod assembly comprises a left door knife 2, a right door knife 8, an upper connecting rod 4 and a lower connecting rod 7, the upper connecting rod 4 is rotatably installed with a rocker connecting shaft 21, an upper push shaft 22 and a lower push shaft 23, the upper connecting rod 4 is rotatably connected with the left door knife 2 and the right door knife 8 respectively, the lower connecting rod 7 is arranged in the lower area of the upper connecting rod 4 and rotatably installed with the back plate 1, and two ends of the lower connecting rod 7 are rotatably connected with the left door knife 2 and the right door knife 8 respectively. The upper connecting rod and the lower connecting rod play a linkage role, the left door knife and the right door knife are driven to be synchronously closed or opened, the lower connecting rod is rotatably installed with the back plate, the upper connecting rod is rotatably installed with the rocker connecting shaft, and the rocker can drive the upper connecting rod to rotate in the rotating process, so that the left door knife and the right door knife are in linkage action. The lower connecting rod plays a role in assisting and stabilizing. And because the rocker is connected with the upper connecting rod through the rocker connecting shaft, the upper pushing shaft and the lower pushing shaft, the coplanar condition of three fixed points is met, the rocker is fixed on the same plane to act, and the operation is stable.

The locking hook assembly 5 comprises a locking hook 51 and a second spring 6, the locking hook 51 is connected with the back plate 1 through a connecting shaft 20, one end of the second spring 6 is arranged on the locking hook 51, the other end of the second spring is arranged on the back plate 1, and the short swing link 30 is rotatably connected with the locking hook 51 through a short swing link connecting shaft 9. The latch hook subassembly is conventional subassembly, and after the bridge door of elevator was closed, the latch hook played the locking effect, prevented that the sedan-chair door from being opened by accident, guaranteed the security. The action of the short swing link drives the latch hook to act.

In addition, the assembly relation between the rocker connecting shaft, the first limit shaft, the second limit shaft and the back plate can be riveting or other mounting modes.

The touch part 10 is provided with a step arc-shaped surface, the lower rocker column 13 is in contact with the step arc-shaped surface, the step arc-shaped surface plays a role in limiting the rotation process of the rocker, and the lower rocker column is clamped by the arc-shaped surface of the touch part, so that a limiting effect is formed.

In addition, as shown in fig. 4-6, the external pre-tightening device 27 is used to close the car door in place, but when the latch hook assembly is not closed, the triggering member 10 cooperates with the door pre-tightening device 27 to make the door in a pre-tightening state, thereby preventing the elevator door from being opened accidentally due to the unlocked latch hook. The pre-tightening device 27 is provided with a roller 28, and the pre-tightening device 27 is assembled with a pre-tightening groove 29.

The pre-tightening groove 29 is fixed on the bottom plate of the gantry crane by screws, and the gantry crane pre-tightening device 27 and the fastening device are fixed on the gantry crane hanging plate and move along with the opening and closing movement of the gantry crane hanging plate. When the door machine is closed, the rocker component starts to move along the arc surface of the touch component to drive the left door knife and the right door knife to be opened, and the latch hook component is ready to form a hooking locking on the car door. At this moment, although the latch hook is still in the opening and closing state, the roller on the pre-tightening device slides to the pre-tightening groove, and the pre-tightening device is clamped with the pre-tightening groove to generate the pre-tightening force for closing the door.

In the present invention, case 1: when the locking hook component does not move in a matched mode with the gate ball, the synchronous belt drives the rocker component to move leftwards, the four-connecting-rod component does not clamp the gate ball, the four-connecting-rod component is driven to be closed, the push rod moves upwards, the swing rod A and the swing rod B on the locking hook component slide with the triangular push plate bearing, and the locking hook component is not driven to lift.

Case 2: when the synchronous belt is matched with a gate ball to move, the rocker assembly is driven to move leftwards to drive the four-connecting-rod assembly to be closed, the connecting-rod assembly clamps the gate ball, the push rod moves upwards and rotates around the connecting shaft under the pushing of the connecting rod 2, the triangular push plate bearing pushes the swing rod A, and the swing rod B enables the latch hook assembly to lift.

Although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements, and the like can be made in the technical solutions of the foregoing embodiments or in some of the technical features of the foregoing embodiments, but those modifications, equivalents, improvements, and the like are all within the spirit and principle of the present invention.

Claims

1. The improved structure of the elevator door motor synchronous engaging device comprises a back plate, a rocker assembly, a latch hook assembly and a connecting rod assembly and is characterized in that the rocker assembly is rotatably installed on the back plate, the connecting rod assembly is rotatably installed with the back plate and is in installation connection with the rocker assembly, the latch hook assembly is rotatably installed with the back plate through a latch hook connecting shaft, a touch member is rotatably installed on the back plate through a first limiting shaft and is connected with the back plate through a first spring, the swing rod assembly is arranged on the back plate, the rocker assembly touches the latch hook assembly in the rotating process, and the swing rod assembly swings to enable the latch hook assembly to rotate around the latch hook connecting shaft under the contact action of the latch hook assembly.

2. The improved structure of the synchronous system device of the elevator door motor according to claim 1, wherein the swing link assembly comprises a long swing link and a short swing link, the length of the long swing link is greater than that of the short swing link, one end of the long swing link is rotatably mounted on the back plate through a long swing link fixing shaft, one end of the short swing link is rotatably mounted with the latch hook assembly through a short swing link connecting shaft, the other end of the long swing link and the other end of the short swing link are rotatably mounted through a long swing link connecting shaft, and the short swing link is pulled by the long swing link to move so that the latch hook assembly follows to move.

3. The improved structure of the synchronous engaging device of the elevator door motor as claimed in claim 2, wherein the back plate is provided with a sliding slot in which the long swing link connecting shaft is located.

4. The improved structure of the synchronous closing device of the elevator door motor as claimed in claim 3, wherein the rocker assembly comprises a rocker and a push plate, the rocker is rotatably mounted on the back plate through a rocker connecting shaft, the rocker is provided with an up-pushing shaft and a down-pushing shaft, the up-pushing shaft and the down-pushing shaft are respectively rotatably connected with the connecting rod assembly, the push plate is rotatably connected with the rocker through a push plate connecting shaft and a down-pushing shaft, the push plate is in contact with the long rocker, and the rocker is provided with an upper rocker column and a lower rocker column.

5. The improved structure of the synchronous system device of the elevator door motor as claimed in claim 4, wherein the push plate is provided with a bearing, and the bearing is in touch connection with the long swing link.

6. The improved structure of the synchronous closing device of the elevator door motor as claimed in claim 5, wherein a second limit shaft for limiting the rotation of the rocker is arranged on the back plate, and a limit area of the rocker is formed in an area between the first limit shaft and the second limit shaft.

7. The improved structure of the elevator door motor synchronous engaging device of claim 6, wherein an included angle is formed between the push plate and the rocker.

8. The improvement of the elevator door motor synchronization system of claim 7 wherein the long rocker and short rocker are arcuate.

9. The improvement in the elevator door motor synchronization system of claim 8 wherein said long rocker and short rocker are mounted to the back plate in different directions.

10. The improved structure of the synchronous closing device of the elevator door motor according to claim 9, wherein the connecting rod assembly comprises a left door knife, a right door knife, an upper connecting rod and a lower connecting rod, the upper connecting rod is rotatably mounted with a rocker connecting shaft, an upward pushing shaft and a downward pushing shaft, the upper connecting rod is rotatably connected with the left door knife and the right door knife respectively, the lower connecting rod is arranged in the lower area of the upper connecting rod and rotatably mounted with the back plate, and two ends of the lower connecting rod are rotatably connected with the left door knife and the right door knife respectively.