Transmission for an elevator door machine

Abstract

The utility model relates to elevator equipment technical field discloses a drive device of elevator door machine, including door machine support, door hanger plate subassembly, transmission subassembly, guide component and door lock device, the mounting hole for fixed mounting is opened to door machine support, the door machine support one side is equipped with the door machine fixed plate, transmission subassembly driven wheel, synchronous belt and transmission wheel cooperation realizes accurate transmission, and the anti -skid line of driven wheel and transmission wheel wheel surface, the adaptation tooth slot of synchronous belt inside, can effectively avoid the skidding problem in transmission process, the guide slide rail of guide component is the recess type structure, and the adaptation sliding block on door hanger plate subassembly is matched, and the upper idler wheel and lower idler wheel of door hook subassembly roll along the guide slide rail, and the double guide effect can prevent elevator door deviation and jam, in addition, the wheel cover of transmission wheel outside can block dust impurity and enter transmission structure, and the door lock device can guarantee the locking safety after elevator door closes, and the overall reliability of each component cooperation promotion device can be improved.

Description

Technical Field

[0001] This utility model relates to the field of elevator equipment technology, and in particular to a transmission device for an elevator door operator. Background Technology

[0002] The transmission mechanism of an elevator door operator is a core component for the stable operation of an elevator door system. Widely used in vertical elevators in residential buildings, commercial buildings, and public places, it plays a crucial role in opening and closing the elevator doors. During elevator operation, this transmission mechanism must accurately respond to the control system's commands, smoothly transmitting energy from the power source to the door body through the coordinated operation of mechanical structures (such as gear transmission, synchronous belt transmission, and lead screw transmission), ensuring that the elevator door completes the opening and closing action according to the preset trajectory, speed, and time. As a key link connecting the power system and the door body, its performance directly affects the smoothness, reliability, and safety of the elevator door operation—not only must it ensure that the door body maintains stable motion precision during long-term, high-frequency use, avoiding jamming or shaking, but it must also work in conjunction with the elevator's safety protection system to provide safe and smooth passage for passengers. It is an indispensable and important technical link for achieving convenient and efficient elevator operation.

[0003] Existing transmission structures mostly use ordinary synchronous belts or wire ropes, which are prone to slippage due to the lack of anti-slip engagement design. Furthermore, the transmission accuracy is low, leading to jamming and uneven speed of elevator door opening and closing. Secondly, existing guide structures are mostly single slide rails or roller guides, which have poor guiding stability, making elevator doors prone to deviation. Moreover, the slide rails lack protective design, making them prone to accumulating debris and accelerating component wear. At the same time, there is a lack of effective wear adjustment and compensation mechanisms, making it difficult to restore guiding accuracy after maintenance. Therefore, we propose a transmission device for elevator door operators. Utility Model Content

[0004] The purpose of this utility model is to provide a transmission device for elevator door operators, which solves the problems of existing transmission structures that mostly use ordinary synchronous belts or steel wire ropes, which are prone to slippage due to the lack of anti-slip engagement design, and have low transmission accuracy, resulting in elevator door jamming and uneven speed. Secondly, existing guide structures are mostly single slide rails or roller guides, which have poor guiding stability, making the elevator door prone to deviation. In addition, the slide rails have no protective design, which makes them prone to accumulating debris and accelerating component wear. At the same time, there is a lack of effective wear adjustment and compensation mechanisms, making it difficult to restore guiding accuracy after maintenance.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a transmission device for an elevator door operator, comprising a door operator bracket, a door hanging plate assembly, a transmission assembly, a guide assembly, and a door lock device. The door operator bracket has mounting holes for fixed installation, and a door operator fixing plate is fixedly installed on one side of the door operator bracket. The transmission assembly includes a driven wheel, a synchronous belt, and a transmission wheel. The driven wheel and the transmission wheel are rotatably mounted at both ends of the door operator bracket, respectively. The synchronous belt is wound between the driven wheel and the transmission wheel. The guide assembly is a guide rail, which is fixed to the door operator bracket and is parallel to the length direction of the synchronous belt. The door hanging plate assembly includes a door hanging plate connecting part, one end of which is fixedly connected to the synchronous belt, and the other end is used to connect to the elevator door. The door lock device is fixed on the side of the door operator bracket near the closed end of the elevator door.

[0006] As a preferred embodiment, the outer side of the transmission wheel is provided with a wheel cover, which is fixedly connected to the gantry bracket by bolts, and a gap is left between the inner side wall of the wheel cover and the outer side wall of the transmission wheel.

[0007] As a preferred embodiment, a door hook assembly is provided on one side of the door hanging plate assembly. The door hook assembly includes a mounting plate, an upper roller, and a lower roller. The mounting plate is fixedly connected to the door hanging plate connection part. The upper roller and the lower roller are rotatably mounted on the upper and lower sides of the mounting plate, respectively, and both the upper roller and the lower roller are in rolling cooperation with the guide rail.

[0008] As a preferred embodiment, the door hook assembly further includes an adjusting bolt and a spring. An adjusting hole is provided on the mounting plate, the adjusting bolt passes through the adjusting hole, and one end of the adjusting bolt abuts against the axle of the upper roller. The spring is sleeved on the adjusting bolt and is located between the head of the adjusting bolt and the mounting plate.

[0009] As a preferred embodiment, the door operator fixing plate and the door operator bracket are integrated into one structure, and the door operator fixing plate is provided with auxiliary holes with the same diameter as the mounting holes on the door operator bracket. The guide slide rail is a groove-type slide rail, and the door hanging plate assembly is provided with a slider that is adapted to the groove-type slide rail. The slider is slidably embedded in the groove-type slide rail, and the slider is fixedly connected to the door hanging plate connection part.

[0010] As a preferred embodiment, the driven wheel and the transmission wheel have the same structure, and both the driven wheel and the transmission wheel have anti-slip patterns on their surfaces. The inner side of the synchronous belt has tooth grooves that are adapted to the anti-slip patterns.

[0011] The technical effects and advantages of this utility model are as follows: The driven wheel, synchronous belt, and drive wheel in the transmission assembly work together to achieve precise transmission. The anti-slip texture on the wheel surfaces of the driven wheel and drive wheel, as well as the matching tooth groove on the inner side of the synchronous belt, can effectively prevent slippage during transmission. The guide rail of the guide assembly has a groove-shaped structure, which is matched with the matching slider on the door hanging plate assembly. At the same time, the upper and lower rollers of the door hook assembly roll along the guide rail. The dual guiding effect can prevent the elevator door from deviating and jamming. In addition, the wheel cover on the outside of the drive wheel can prevent dust and impurities from entering the transmission structure. The door lock device can ensure the locking security after the elevator door is closed. All components work together to improve the overall reliability of the device. The mounting holes on the door operator bracket and the auxiliary holes on the door operator fixing plate facilitate quick and easy fixing of the device to the designated position on the elevator. The door operator fixing plate and the door operator bracket are integrated, which improves structural strength. The adjusting bolts in the door hook assembly work with the springs to change the position of the upper roller, flexibly adapting to the guiding requirements under different working conditions. This avoids transmission deviation caused by component wear and reduces the frequency of component replacement during maintenance. At the same time, the core components, such as the timing belt and the upper roller, are simple in structure and easy to obtain, making subsequent maintenance and replacement operations convenient. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the door hanging panel assembly structure of this utility model; Figure 3 This is a schematic diagram of the door hook assembly structure of this utility model; Figure 4 This is a schematic diagram of the gantry crane support structure of this utility model.

[0013] In the diagram: 1. Door operator bracket; 2. Door hanging plate assembly; 3. Door hook assembly; 4. Driven wheel; 5. Synchronous belt; 6. Mounting hole; 7. Guide rail; 201. Door operator fixing plate; 202. Door hanging plate connecting part; 203. Wheel cover; 204. Drive wheel; 205. Door lock device; 301. Mounting plate; 302. Upper roller; 303. Lower roller; 304. Adjusting bolt; 305. Spring. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see the appendix Figure 1 - Appendix Figure 4A transmission device for an elevator door operator includes a door operator bracket 1, a door hanging plate assembly 2, a transmission assembly, a guide assembly, and a door lock device 205. The door operator bracket 1 has mounting holes 6 for fixed installation. A door operator fixing plate 201 is fixedly installed on one side of the door operator bracket 1. The transmission assembly includes a driven wheel 4, a synchronous belt 5, and a transmission wheel 204. The driven wheel 4 and the transmission wheel 204 are rotatably installed at both ends of the door operator bracket 1, respectively. The synchronous belt 5 is wound between the driven wheel 4 and the transmission wheel 204. The guide assembly is a guide rail 7, which is fixed on the door operator bracket 1 and is parallel to the length direction of the synchronous belt 5. The door hanging plate assembly 2 includes a door hanging plate connecting part 202. One end of the door hanging plate connecting part 202 is fixedly connected to the synchronous belt 5, and the other end is used to connect to the elevator door. The door lock device 205 is fixed on the side of the door operator bracket 1 near the closed end of the elevator door.

[0016] The transmission wheel 204 is covered by a wheel cover 203. The wheel cover 203 is fixedly connected to the gantry bracket 1 by bolts, and there is a gap between the inner wall of the wheel cover 203 and the outer wall of the transmission wheel 204.

[0017] The door operator fixing plate 201 and the door operator bracket 1 are integrated structures, and the door operator fixing plate 201 has an auxiliary hole with the same diameter as the mounting hole 6 on the door operator bracket 1. The guide rail 7 is a grooved rail. The door hanging plate assembly 2 is provided with a slider that matches the grooved rail. The slider is slidably embedded in the grooved rail, and the slider is fixedly connected to the door hanging plate connection part 202. The driven wheel 4 and the transmission wheel 204 have the same structure, and the wheel surfaces of both the driven wheel 4 and the transmission wheel 204 are provided with anti-slip textures. The inner side of the synchronous belt 5 is provided with tooth grooves that match the anti-slip textures.

[0018] Specifically, this device significantly improves the stability and safety of elevator door operation by optimizing the transmission and guiding structure. In the transmission assembly, the driven wheel 4, the synchronous belt 5, and the transmission wheel 204 work together to achieve precise transmission. The anti-slip texture on the wheel surfaces of the driven wheel 4 and the transmission wheel 204, as well as the matching tooth groove on the inner side of the synchronous belt 5, effectively prevent slippage during transmission. The guide rail 7 of the guiding assembly has a groove-shaped structure and is matched with the matching slider on the door hanging plate assembly 2. At the same time, the upper roller 302 and the lower roller 303 of the door hook assembly 3 roll along the guide rail 7. The dual guiding effect can prevent the elevator door from deviating and jamming. In addition, the wheel cover 203 on the outside of the transmission wheel 204 can prevent dust and impurities from entering the transmission structure. The door lock device 205 can ensure the locking security after the elevator door is closed. All components work together to improve the overall reliability of the device.

[0019] Please see the appendix Figure 1 - Appendix Figure 4A door hook assembly 3 is provided on one side of the door hanging plate assembly 2. The door hook assembly 3 includes a mounting plate 301, an upper roller 302 and a lower roller 303. The mounting plate 301 is fixedly connected to the door hanging plate connecting part 202. The upper roller 302 and the lower roller 303 are respectively rotatably mounted on the upper and lower sides of the mounting plate 301, and both the upper roller 302 and the lower roller 303 are in rolling cooperation with the guide rail 7.

[0020] The door hook assembly 3 also includes an adjusting bolt 304 and a spring 305. An adjusting hole is provided on the mounting plate 301, the adjusting bolt 304 passes through the adjusting hole, and one end of the adjusting bolt 304 abuts against the axle of the upper roller 302. The spring 305 is sleeved on the adjusting bolt 304, and the spring 305 is located between the head of the adjusting bolt 304 and the mounting plate 301.

[0021] Specifically, the structural design of this device balances ease of installation and flexibility of maintenance. The mounting holes 6 on the door operator bracket 1 and the auxiliary holes on the door operator fixing plate 201 facilitate quick fixing of the device to the designated position on the elevator. Furthermore, the door operator fixing plate 201 and the door operator bracket 1 are an integrated structure, which enhances structural strength. The adjusting bolt 304 in the door hook assembly 3 works in conjunction with the spring 305, allowing the position of the upper roller 302 to be changed by adjusting the bolt 304, flexibly adapting to the guiding requirements under different working conditions, avoiding transmission deviations caused by component wear, and reducing the frequency of component replacement during maintenance. At the same time, the core components such as the synchronous belt 5 and the upper roller 302 are simple in structure and easy to obtain, making subsequent maintenance and replacement operations convenient.

[0022] Working principle of this utility model: This utility model is a transmission device for an elevator door operator. First, the device is fixed in the designated position of the elevator through the mounting holes 6 on the door operator bracket 1 and the auxiliary holes on the door operator fixing plate 201. The integrated structure of the door operator fixing plate 201 and the door operator bracket 1 ensures the structural stability after installation. When the elevator door needs to be opened or closed, the transmission component is activated, and the power is transmitted to the synchronous belt 5 through the transmission wheel 204. The synchronous belt 5 moves along the preset direction with the cooperation of the driven wheel 4. Since the anti-slip texture of the driven wheel 4 and the transmission wheel 204 meshes with the matching tooth groove on the inner side of the synchronous belt 5, slippage during transmission is effectively avoided. At the same time, the wheel cover 203 on the outer side of the transmission wheel 204 can prevent dust and impurities from entering the transmission structure, ensuring the long-term stable operation of the transmission component. When the synchronous belt 5 moves, it drives the door hanging plate assembly 2 which is fixedly connected to it. The door hanger plate connecting part 202 moves synchronously, which in turn drives the elevator door connected to it to move. During this process, the guide component plays a guiding role. On the one hand, the slider on the door hanger plate assembly 2 slides along the groove-shaped guide rail 7. On the other hand, the upper roller 302 and lower roller 303 of the door hook assembly 3 on one side of the door hanger plate assembly 2 also roll along the guide rail 7. The double guide structure effectively prevents the elevator door from deviating and jamming. If the guiding accuracy needs to be adjusted, the position of the upper roller 302 can be changed through the adjusting bolt 304 of the door hook assembly 3. The spring 305 can buffer the force during the adjustment process and avoid rigid collision of components. When the elevator door closes to the designated position, the door lock device 205 near the closed end of the elevator door on the door machine bracket 1 is activated to lock the elevator door, ensuring the safety of elevator use and completing one cycle of opening and closing of the elevator door. At this point, the entire process ends.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A transmission device for an elevator door operator, characterized in that: The system includes a door operator bracket (1), a door hanging plate assembly (2), a transmission assembly, a guide assembly, and a door lock device (205). The door operator bracket (1) has mounting holes (6) for fixed installation. A door operator fixing plate (201) is fixedly installed on one side of the door operator bracket (1). The transmission assembly includes a driven wheel (4), a synchronous belt (5), and a drive wheel (204). The driven wheel (4) and the drive wheel (204) are rotatably mounted at both ends of the door operator bracket (1). The synchronous belt (5) is wound around the driven wheel. Between the driving wheel (4) and the transmission wheel (204), the guide assembly is a guide rail (7), the guide rail (7) is fixed on the door machine bracket (1), and the guide rail (7) is parallel to the length direction of the synchronous belt (5). The door hanging plate assembly (2) includes a door hanging plate connecting part (202), one end of the door hanging plate connecting part (202) is fixedly connected to the synchronous belt (5), and the other end is used to connect the elevator door. The door lock device (205) is fixed on the side of the door machine bracket (1) near the closed end of the elevator door.

2. The transmission device for an elevator door operator according to claim 1, characterized in that: The transmission wheel (204) is covered by a wheel cover (203), which is fixedly connected to the gantry bracket (1) by bolts, and there is a gap between the inner wall of the wheel cover (203) and the outer wall of the transmission wheel (204).

3. The transmission device for an elevator door operator according to claim 1, characterized in that: The door hanging plate assembly (2) is provided with a door hook assembly (3) on one side. The door hook assembly (3) includes a mounting plate (301), an upper roller (302) and a lower roller (303). The mounting plate (301) is fixedly connected to the door hanging plate connecting part (202). The upper roller (302) and the lower roller (303) are respectively rotatably installed on the upper and lower sides of the mounting plate (301), and the upper roller (302) and the lower roller (303) are both in rolling cooperation with the guide rail (7).

4. The transmission device for an elevator door operator according to claim 3, characterized in that: The door hook assembly (3) also includes an adjusting bolt (304) and a spring (305). An adjusting hole is provided on the mounting plate (301). The adjusting bolt (304) passes through the adjusting hole and one end of the adjusting bolt (304) abuts against the axle of the upper roller (302). The spring (305) is sleeved on the adjusting bolt (304) and is located between the head of the adjusting bolt (304) and the mounting plate (301).

5. The transmission device for an elevator door operator according to claim 1, characterized in that: The door operator fixing plate (201) and the door operator bracket (1) are integrated structures, and the door operator fixing plate (201) is provided with an auxiliary hole with the same diameter as the mounting hole (6) on the door operator bracket (1). The guide slide rail (7) is a grooved slide rail. The door hanging plate assembly (2) is provided with a slider that is adapted to the grooved slide rail. The slider is slidably embedded in the grooved slide rail, and the slider is fixedly connected to the door hanging plate connection part (202).

6. The transmission device for an elevator door operator according to claim 1, characterized in that: The driven wheel (4) has the same structure as the transmission wheel (204), and both the driven wheel (4) and the transmission wheel (204) have anti-slip patterns on their surfaces. The inner side of the synchronous belt (5) has a tooth groove that matches the anti-slip patterns.

Images