Elevator door motor with adjusting structure

By introducing an adjustment and synchronization mechanism into the elevator door machine and using a servo motor to drive the synchronous belt to achieve height adjustment and synchronous opening and closing of the elevator door machine, the vibration and noise problems caused by spacing differences during the installation of the elevator door machine are solved, and the installation efficiency and the synchronization of the elevator doors are improved.

CN223457958UActive Publication Date: 2025-10-21NANTONG ZHONGLI TECH CO LTD
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Patent Information

Application Number
CN202422861810.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-10-21
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

During the installation process of existing elevator door machines, due to the difference between the reserved dimensions on site and the equipment dimensions, the elevator doors may not close completely or close excessively. In addition, the mounting bracket is a rigid structure, which is prone to vibration and noise.

Method used

An elevator door machine with an adjustment structure is designed, which includes an adjustment mechanism, a driving mechanism and a synchronization mechanism. The servo motor drives the driving wheel to drive the synchronous belt to achieve the vertical movement of the door machine shell and the synchronous opening and closing of the elevator door. The position sensor is combined to detect the movement position to control the opening and closing operation.

Benefits of technology

It realizes the height adjustment of elevator door machine, adapts to different spacing, reduces vibration and noise, and improves installation efficiency and synchronization of elevator doors.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223457958U_ABST
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Abstract

The utility model relates to the technical field of elevator door motors, in particular to an elevator door motor with an adjusting structure, which comprises a door motor shell, an adjusting mechanism for adjusting the height of the door motor is arranged on the upper surface of the door motor shell, and two groups of position sensors are fixed on the inner wall of the door motor shell. A driving mechanism used for driving an elevator door is arranged at the upper end of the door machine shell, a synchronizing mechanism used for synchronizing the elevator door is arranged in the door machine shell, and a guide mechanism used for guiding the synchronizing mechanism is fixed to the inner wall of the door machine shell in the horizontal direction; the adjusting mechanism comprises connecting rods, the number of the connecting rods is three, and the three connecting rods are all fixed to the upper surface of the door machine shell. By means of the arranged adjusting mechanism, the door machine shell can be moved in the vertical direction, then the mounting height of the door machine shell is adjusted, the door machine can adapt to different distances between a door machine and a car roof, and vibration and noise are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to elevator door machine technical field especially is related to a kind of elevator door machine with adjusting structure. BACKGROUND

[0002] Elevator door machine, also known as "door opener", is the opening and closing device of elevator car door. The elevator door machine is an institution responsible for opening and closing the elevator hall door. When it receives the elevator opening and closing signal, the elevator door machine controls the opening motor through the control system, converts the torque generated by the motor into a force in a specific direction to close or open the door. When the door closing force is greater than 150N, the door machine will automatically stop closing and open the door in reverse, thereby playing a certain degree of door closing protection.

[0003] The existing elevator door machine has the problems of incomplete door closure or excessive door closure during installation due to the difference between the site reserved size and the equipment size, and the motor needs to be started multiple times to drive the forward and reverse toothed rod to adjust, which reduces the installation efficiency of workers.

[0004] The existing patent (publication number: CN218968586U) discloses an adjustable installation structure of elevator door machine, which includes a mounting shell, a two-way screw inside the mounting shell with rotating function, a fixed block is rotatably arranged near both ends of the two-way screw, and the fixed block is fixedly connected with the rear side plate of the mounting shell; the front side of the rear side plate of the mounting shell is fixedly connected with a guide plate, two sliding blocks symmetrically arranged about the center line of the mounting shell are arranged between the two fixed blocks, and the two sliding blocks are threadedly connected with the two-way screw. It drives the second connecting rod to adjust the distance of the elevator door to meet the use requirements through the second motor. In the long-term use process, if the elevator door is not completely closed or closed excessively, causing the elevator door to collide, only the second motor needs to be driven to quickly repair the elevator door, which facilitates the maintenance of the elevator in the later period.

[0005] In view of the above problems, the existing patent provides a scheme that the elevator door can be quickly repaired by driving the second motor, which facilitates the maintenance of the elevator in the later period. However, when installed on the car roof, the bracket is installed on the car roof, and the door machine is fixed on the car roof through the bracket. Since the bracket is a rigid structure, it cannot adapt to different distances between the door machine and the car roof, and vibration and noise are easily generated. SUMMARY

[0006] The utility model aims at: provide a kind of elevator door machine with adjusting structure, door machine shell can be moved vertically, and then the height of door machine shell installation is adjusted, different distances between door machine and car roof can be adapted, vibration and noise are reduced to solve the problems raised in the above background.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A elevator door machine with adjusting structure, including door machine shell, the upper surface of door machine shell is equipped with adjusting mechanism for door machine height adjustment, the inner wall of door machine shell is fixed with two groups of position sensor, the upper end of door machine shell is equipped with drive mechanism for elevator door drive, the inside of door machine shell is equipped with synchronization mechanism for elevator door synchronization, the horizontal direction of door machine shell inner wall is fixed with guide mechanism for guiding synchronization mechanism,

[0008] The adjusting mechanism includes connecting rods, the connecting rods are provided with three, the connecting rods are all fixed on the upper surface of the door machine shell, the upper ends of the connecting rods are all telescopically connected with adjusting pieces, the upper surfaces of the adjusting pieces are provided with fixing bolts, and outer walls of the adjusting pieces are provided with limiting bolts in abutment connection with the connecting rods.

[0009] Preferably, the drive mechanism includes a servo motor, the servo motor is fixed on the upper end of the door machine shell through bolts, and a driving wheel is fixed on a power output shaft of the servo motor.

[0010] Preferably, the outer surface of the driving wheel is connected with a belt, and one side of the belt is connected with a driven wheel.

[0011] Preferably, the inside of the driven wheel is fixed with a fixed wheel through a rotating shaft, and the outer surface of the fixed wheel is engaged with a synchronous belt.

[0012] Preferably, the synchronization mechanism includes two fixing frames, the fixing frames are installed on one side of the synchronous belt, the fixing screws are fixed on the inside of the fixing frames, and the fixing frames are fixed with mounting plates on one side.

[0013] Preferably, the guide mechanism includes a guide piece, the guide piece is fixed on the horizontal direction of the inner wall of the door machine shell, and guide grooves are formed in the two sides of the guide piece.

[0014] Preferably, the inside of the guide groove is slidably connected with a limiting block, and the limiting block is fixed with a connecting plate in fixed connection with the mounting plate.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The adjusting mechanism can move the door machine shell in the vertical direction, thereby adjusting the height of the door machine shell, adapting to the spacing between the door machine and the car roof, and reducing vibration and noise generation.

[0017] 2. Through the drive mechanism set, drive two fixed frame relative motion, two mounting plate and elevator car door fixed, and then drive the car door to open or close, through the position sensor set can detect two fixed frame movement position, the data detected by the controller, and then detect control operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is the overall structure view of the present application;

[0020] Figure 2 It is the half cut structure schematic view of the adjusting part of the present application;

[0021] Figure 3 It is the overall structure view of the present application; Figure 1 It is the enlarged view of A;

[0022] Figure 4 It is the three-dimensional structure schematic view of the connecting plate of the present application.

[0023] Explanation of reference signs:

[0024] 1, door machine shell; 2, connecting rod; 21, adjusting part; 22, fixed bolt; 23, limiting bolt; 3, servo motor; 31, driving wheel; 32, belt; 33, driven wheel; 34, fixed wheel; 35, synchronous belt; 4, fixed frame; 41, fixed screw; 42, mounting plate; 5, guide; 51, guide groove; 52, limiting block; 53, connecting plate; 6, position sensor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] The present application provides a technical solution:

[0027] Please refer to Figures 1 to 4The utility model provides an elevator door machine with adjusting structure, including door machine shell 1, the upper surface of door machine shell 1 is equipped with adjusting mechanism for the door machine height adjustment, the inner wall of door machine shell 1 is fixed with two groups of position sensor 6, the upper end of door machine shell 1 is equipped with drive mechanism for the drive of elevator door, the inside of door machine shell 1 is equipped with synchronization mechanism for the synchronization of elevator door, the horizontal direction of door machine shell 1 inner wall is fixed with guide mechanism for the guide of synchronization mechanism,

[0028] Adjusting mechanism includes connecting rod 2, is equipped with three, three connecting rod 2 are fixed on the upper surface of door machine shell 1, the upper end of three connecting rod 2 is all connected with adjusting piece 21 in stretchable, the upper surface of adjusting piece 21 is installed with fixed bolt 22, the outer wall of adjusting piece 21 is installed with the abutted connection of limiting bolt 23 with connecting rod 2, drive mechanism includes servo motor 3, and servo motor 3 is fixed on the upper end of door machine shell 1 by bolt, and the power output shaft of servo motor 3 is fixed with driving wheel 31, and the outer surface of driving wheel 31 is connected with belt 32, and one side of belt 32 is connected with driven wheel 33, and the inside of driven wheel 33 is fixed with fixed wheel 34 through pivot, and the outer surface of fixed wheel 34 is engaged with synchronous belt 35.

[0029] Through adopting the above technical scheme, before using the elevator door machine with adjusting structure, door machine shell 1 is assembled to the appropriate position first, the fixed bolt 22 on the adjusting piece 21 is connected with the elevator car, and then the door machine is fixed, the connecting rod 2 is set up, the door machine shell 1 can be moved vertically, and then the height of the door machine shell 1 is adjusted, which can adapt to the distance between the door machine and the car roof, reduce the generation of vibration and noise, and the limiting bolt 23 is tightened after adjustment, and then the adjusting piece 21 is fixed, to avoid accidental displacement of the door machine shell 1, the servo motor 3 is set up, the driving wheel 31 is rotated, under the cooperation of the belt 32, the fixed wheel 34 is rotated by the driven wheel 33, and then the synchronous belt 35 is driven to operate, the two fixed frames 4 are fixed on the inner wall and the outer wall of the synchronous belt 35, and the synchronous belt 35 moves relatively when operating, the two mounting plates 42 and the car door of the elevator are fixed, and then the car door is driven to open or close, the position sensor 6 is set up, the position of the two fixed frames 4 when moving can be detected, and the detected data is sent to the controller, and then the opening and closing operation is detected and controlled.

[0030] Specifically, as Figure 1 , Figure 3 and Figure 4As shown, the synchronization mechanism comprises a fixed frame 4, the fixed frame 4 is provided with two, both of which are installed on one side of the synchronous belt 35, and both of which are internally installed with a fixed screw 41 fixed with the synchronous belt 35, and both of which are fixed with a mounting plate 42 on one side, and the guide mechanism comprises a guide piece 5, which is fixed in the horizontal direction of the door machine shell 1 inner wall, both sides of the guide piece 5 are provided with a guide groove 51, and the guide groove 51 is internally connected with a limiting block 52, and the limiting block 52 is fixed with a connecting plate 53 fixedly connected with the mounting plate 42.

[0031] By adopting the above technical scheme, the fixed screw 41 is arranged to fix the fixed frame 4 and the synchronous belt 35, the guide groove 51 is arranged on the guide piece 5, and the connecting plate 53 slides on the guide piece 5 when the mounting plate 42 moves under the cooperation of the limiting block 52, thereby playing a guiding role and avoiding deviation.

[0032] Working principle: the connecting rod 2 can move the door machine shell 1 vertically, adjust the height of the door machine shell 1, adapt to different door machine and car roof spacing, and tighten the limiting bolt 23 after adjustment, thereby fixing the adjusting piece 21, avoiding accidental displacement of the door machine shell 1, the servo motor 3 drives the driving wheel 31 to rotate, and the synchronous belt 35 is driven to operate under the cooperation of the belt 32, the two fixed frames 4 are fixed on the inner wall and the outer wall of the synchronous belt 35, thereby driving the car door to open or close, the position sensor 6 can detect the position of the two fixed frames 4 when moving, the fixed screw 41 is arranged to fix the fixed frame 4 and the synchronous belt 35, and the connecting plate 53 slides on the guide piece 5 when the mounting plate 42 moves under the cooperation of the limiting block 52, thereby playing a guiding role.

[0033] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical scheme of the present application, and not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the present application.

Claims

1. An elevator door machine with a regulating structure, comprising a door machine housing (1), characterized in that: The upper surface of the door machine shell (1) is provided with an adjusting mechanism for adjusting the height of the door machine, the inner wall of the door machine shell (1) is fixed with two groups of position sensors (6), the upper end of the door machine shell (1) is provided with a driving mechanism for driving the elevator door, the inside of the door machine shell (1) is provided with a synchronization mechanism for synchronizing the elevator door, the horizontal direction of the inner wall of the door machine shell (1) is fixed with a guide mechanism for guiding the synchronization mechanism; The adjusting mechanism comprises a connecting rod (2), the connecting rod (2) is provided with three, the three connecting rods (2) are all fixed on the upper surface of the door machine shell (1), the upper end of the three connecting rods (2) is all telescopically connected with an adjusting piece (21), the upper surface of the adjusting piece (21) is provided with a fixing bolt (22), the outer wall of the adjusting piece (21) is provided with a limiting bolt (23) abutting connected with the connecting rod (2).

2. The elevator door machine with adjustment structure according to claim 1, characterized in that: The driving mechanism comprises a servo motor (3), the servo motor (3) is fixed on the upper end of the door machine shell (1) through bolts, and the power output shaft of the servo motor (3) is fixed with a driving wheel (31).

3. The elevator door machine with adjustment structure according to claim 2, characterized in that: The outer surface of the driving wheel (31) is connected with a belt (32), one side of the belt (32) is connected with a driven wheel (33).

4. The elevator door machine with adjustment structure according to claim 3, characterized in that: The inside of the driven wheel (33) is fixed with a fixed wheel (34) through a rotating shaft, and the outer surface of the fixed wheel (34) is engaged with a synchronous belt (35).

5. The elevator door drive with adjustment structure according to claim 4, characterized in that The synchronization mechanism comprises a fixed frame (4), the fixed frame (4) is provided with two, two fixed frames (4) are all installed on one side of the synchronous belt (35), the inside of two fixed frames (4) is all installed with a fixed screw (41) fixed with the synchronous belt (35), and one side of two fixed frames (4) is all fixed with a mounting plate (42).

6. The elevator door drive with adjustment structure according to claim 1, characterized in that: The guide mechanism comprises a guide piece (5), the guide piece (5) is fixed in the horizontal direction of the inner wall of the door machine shell (1), and guide grooves (51) are formed in the two sides of the guide piece (5).

7. The elevator machine with adjustment structure of claim 6, wherein: The inside of the guide groove (51) is slidably connected with a limiting block (52), one side of the limiting block (52) is fixedly connected with a connecting plate (53) fixedly connected with the mounting plate (42).

Citation Information

Patent Citations

  • Adjustable mounting structure of elevator door motor

    CN218968586U