Safe and stable elevator door system

Abstract

The utility model relates to the technical field of safety elevator doors, and discloses a safe and stable elevator door system which comprises an elevator car, motors are fixedly connected to the left end and the right end of the elevator car, moving rods are fixedly connected to the left side and the right side of the upper end of the elevator car, and rotating shafts are fixedly connected to the output ends of the motors. The upper end of the rotating shaft is fixedly connected with a moving plate, the other end of the moving plate is rotatably connected with an auxiliary plate, the middle of the moving rod is slidably connected with a moving block, and the auxiliary plate is rotatably connected with the moving block. According to the utility model, the output end of the motor drives the rotating shaft to rotate, the machine door is fixed below the connecting strip, and the synchronous signal generators are mounted on the left and right power sources for synchronization, so that a double-driving-force feedback mechanism is realized, the stable operation of the door is ensured, and the risk that the whole system stops swinging due to a single-point fault is greatly reduced; the problems that the whole door system fails, and the maintenance difficulty and cost are increased are solved.

Description

Technical Field

[0001] This utility model relates to the field of safety elevator door technology, and in particular to a safe and stable elevator door system. Background Technology

[0002] A safe and stable elevator door system is a protective device used between the elevator car and the elevator shaft entrance. Through the coordinated work of a series of mechanical, electronic and safety detection components, it ensures that the elevator door can open and close smoothly and safely, preventing safety accidents such as people or objects being trapped or the elevator door opening unexpectedly, while ensuring the stability and reliability of the elevator door during long-term use.

[0003] A search revealed Chinese Patent Publication No. CN218403253U, which discloses an elevator door with a safety escape function, belonging to the field of elevator technology. The door includes two elevator doors, one of which has a placement groove on its left side. A first telescopic rod is fixedly installed on the inner wall of the placement groove. A handle is fixedly installed on the telescopic end of the first telescopic rod. A rotating disk is fixedly installed on the outer surface of the telescopic end of the first telescopic rod, and a pressing block is fixedly installed on the outer surface of the rotating disk. This elevator door with a safety escape function allows the pressing block to contact a pushing plate through a pushing groove by rotating the handle. Utilizing the special shape of the pressing block, it can... Pushing the push plate backward creates a gap between the two elevator doors, allowing the doors to be manually pried open from the inside. This enables people to escape from the elevator quickly, preventing the high temperature and oxygen deficiency inside from threatening their lives and ensuring the overall safety of the elevator. However, traditional elevator doors often use a single-point drive dual-leaf linkage method due to issues such as sensor misjudgment or decreased sensitivity caused by long-term pressure deformation of the sensing strip. In this method, if one component fails, the entire door system fails, increasing the difficulty and cost of maintenance. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a safe and stable elevator door system, which aims to improve the problem of increased maintenance difficulty and cost due to the failure of the entire door system in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a safe and stable elevator door system, comprising an elevator car, with motors fixedly connected to both the left and right ends of the elevator car, and moving rods fixedly connected to both the left and right sides of the upper end of the elevator car, the output end of the motors fixedly connected to a rotating shaft, a moving plate fixedly connected to the upper end of the rotating shaft, an auxiliary plate rotatably connected to the other end of the moving plate, a moving block slidably connected to the middle of the moving rods, the auxiliary plate rotatably connected to the moving block, a limit block fixedly connected to the other end of the moving rods, a connecting strip fixedly connected to the bottom end of the moving block, a machine door fixedly connected to the bottom of the connecting strip, and an anti-pinch mechanism slidably connected inside the machine door to prevent hands from being pinched when the elevator door closes.

[0006] Through the above technical solution: In the operation of the safe and stable elevator door system, the opening and closing action of the elevator door is achieved by the motor output driving the rotating shaft to rotate. A moving rod is fixed at the front end of the elevator car, which is responsible for the left and right movement of the parts. A moving plate is fixed at the other end of the rotating shaft to achieve synchronous movement. The other end of the moving plate is connected to an auxiliary plate, which plays a transmission role. A moving block is slidably connected to the middle of the moving rod to achieve synchronous movement. The auxiliary plate and the moving block are connected by rotation. A limit block is fixed at the other end of the moving rod to limit the safe movement range. A connecting strip is fixed below the moving block for connecting the parts. The door is fixed below the connecting strip. Both motors are equipped with a synchronous signal generator, realizing a dual driving force feedback mechanism, ensuring the stable operation of the elevator door, and significantly reducing the risk of the entire system shutting down due to a single point of failure.

[0007] As a further description of the above technical solution:

[0008] The anti-pinch mechanism includes a sliding plate slidably connected to the inside of the machine door. Multiple bases are fixedly connected to the outer side of the sliding plate. Rotating plates are rotatably connected to the upper and lower ends of each base. Multiple springs are fixedly connected to the outer wall of the base. A push plate is rotatably connected to the other end of the rotating plate. The other end of each spring is fixedly connected to the push plate. A triggering device is fixedly connected to the middle of the sliding plate. A sliding shell is fixedly connected to the outer wall of the push plate. A soft pad is fixedly connected inside the sliding shell. A cancellation device is fixedly connected to the right end of the left sliding plate. A starting block is fixedly connected to the left end of the right sliding plate.

[0009] Through the above technical solution: when the safe and stable elevator door system performs the anti-pinch function, the door operates through a sliding plate connected by a sliding mechanism. Multiple bases are fixedly installed on the outer side of the sliding plate to ensure stability. The upper and lower edges of the bases are rotatably connected to a rotating plate to provide assistance. Multiple springs are fixed on the outer side of the bases for compression and reset. The other end of the rotating plate is rotatably connected to a push plate to achieve the connection function. The other end of the spring is fixedly connected to the push plate. A triggering device is fixedly installed in the middle of the sliding plate to activate the anti-pinch device. A sliding shell is fixed on the outer side of the push plate, and a soft pad is fixed inside the sliding shell to prevent injury. A cancellation device is fixed on the right side of the left sliding plate to close the anti-pinch device, while an activation block is fixed on the left side of the right sliding plate to trigger the anti-pinch function, thus enabling the elevator door to more accurately prevent pinching injuries.

[0010] As a further description of the above technical solution:

[0011] The lower middle part of the elevator car is equipped with a foot pad, and screws are threaded to the four corners of the upper end of the foot pad. The screws pass through the foot pad and are threaded to the elevator car.

[0012] The above technical solution involves installing foot pads in the lower middle part of the elevator car, with screws threaded through the four corners of the upper part of the foot pads to connect them to the elevator car.

[0013] As a further description of the above technical solution:

[0014] A controller is fixedly connected to the left end of the elevator car, and multiple buttons are fixedly connected to the right end of the controller.

[0015] The above technical solution involves a controller fixedly connected to the left end of the elevator car, and multiple buttons fixedly connected to the right end of the controller.

[0016] As a further description of the above technical solution:

[0017] A support rod is fixedly connected to the upper rear side of the elevator car, and a camera device is rotatably connected to the outer side of the support rod.

[0018] The above technical solution involves a support rod fixedly connected to the upper rear side of the elevator car, with the outer edge of the support rod connected to the camera equipment via a rotatable connection.

[0019] As a further description of the above technical solution:

[0020] A frame is fixedly connected to the left side of the elevator car, and a display screen is fixedly connected to the right end of the frame.

[0021] The above technical solution involves a frame fixedly mounted on the left side of the elevator car, and a display screen fixedly mounted on the right side of the frame.

[0022] As a further description of the above technical solution:

[0023] The upper end of the elevator car is provided with an installation slot, and a lighting lamp is fixedly connected inside the installation slot.

[0024] The above technical solution involves an installation slot at the top of the elevator car, with a lighting fixture installed inside the slot via a fixed connection.

[0025] As a further description of the above technical solution:

[0026] The elevator car has a fixing groove at the rear end, and a lens is fixedly connected inside the fixing groove.

[0027] The above technical solution involves a fixing groove at the rear of the elevator car, where a lens is also installed in a fixed connection manner.

[0028] This utility model has the following beneficial effects:

[0029] 1. In this utility model, the output end of the motor drives the rotating shaft to rotate, which in turn drives the moving plate to drive the auxiliary plate, which in turn drives the connecting strip to move left and right. The door is fixed under the connecting strip. Synchronization signal generators are installed on the power sources on both sides to achieve synchronization. This realizes a dual-drive force feedback mechanism to ensure the stable operation of the door, greatly reducing the risk of the entire system stopping due to a single point of failure. It solves the problem of the entire door system failing and increasing the difficulty and cost of maintenance.

[0030] 2. In this utility model, by touching the soft pad, the sliding shell squeezes and compresses the spring behind the push plate. The sliding shell presses and triggers the device to stop the closing, thus preventing the elevator door from pinching the hand when it closes. This solves the problem of decreased sensitivity caused by sensor misjudgment or long-term pressure deformation of the sensing strip. Attached Figure Description

[0031] Figure 1 This is a perspective view of a safe and stable elevator door system proposed in this utility model;

[0032] Figure 2 This is a cross-sectional view of a safe and stable elevator door system proposed in this utility model;

[0033] Figure 3 This is a partial structural cross-sectional view of a safe and stable elevator door system proposed in this utility model;

[0034] Figure 4This is a partial exploded view of the safe and stable elevator door system proposed in this utility model;

[0035] Figure 5 This is a split diagram of the anti-pinch mechanism of a safe and stable elevator door system proposed in this utility model.

[0036] Legend:

[0037] 1. Elevator car; 2. Anti-pinch mechanism; 201. Sliding plate; 202. Base; 203. Turning plate; 204. Spring; 205. Push plate; 206. Triggering device; 207. Sliding shell; 208. Soft pad; 209. Cancellation device; 210. Starting block; 3. Foot pad; 4. Screw; 5. Controller; 6. Button; 7. Support rod; 8. Camera equipment; 9. Frame; 10. Display screen; 11. Mounting slot; 12. Lighting lamp; 13. Fixing slot; 14. Lens; 15. Motor; 16. Moving rod; 17. Rotating shaft; 18. Moving plate; 19. Auxiliary plate; 20. Moving block; 21. Limit block; 22. Connecting strip; 23. Door. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. 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.

[0039] Reference Figure 3 and Figure 4 This utility model provides an embodiment of a safe and stable elevator door system, including an elevator car 1. Motors 15 are fixedly connected to both the left and right ends of the elevator car 1, serving as the power source for the device. Moving rods 16 are fixedly connected to the upper left and right sides of the elevator car 1. A rotating shaft 17 is fixedly connected to the output end of the motor 15. A moving plate 18 is fixedly connected to the upper end of the rotating shaft 17 for transmission. An auxiliary plate 19 is rotatably connected to the other end of the moving plate 18. A moving block 20 is slidably connected to the middle of the moving rod 16. The auxiliary plate 19 and the moving block 20 are rotatably connected to each other, making the transmission smoother. A limit block 21 is fixedly connected to the other end of the moving rod 16. A connecting strip 22 is fixedly connected to the bottom end of the moving block 20. A machine door 23 is fixedly connected to the bottom of the connecting strip 22. An anti-pinch mechanism 2 is slidably connected inside the machine door 23 to prevent hands from being pinched when the elevator door closes. Foot pads 3 are provided in the lower middle part of the elevator car 1. Screws 4 are threadedly connected to the four corners of the upper end of the foot pads 3, penetrating the foot pads 3 and threadedly connected to the elevator car 1.

[0040] Specifically, during the opening and closing operation of the safe and stable elevator door system, the output end of the motor 15 drives the rotating shaft 17 to rotate. A movable rod 16 is fixed to the front of the elevator car 1, allowing parts to move left and right on it. A movable plate 18 is fixed to the other end of the rotating shaft 17, and the movable plate 18 rotates synchronously. The other end of the movable plate 18 is also rotatably connected to an auxiliary plate 19 to enhance the transmission effect. The middle part of the movable rod 16 is slidably connected to a movable block 20, allowing the movable block 20 to move on the movable rod 16. The auxiliary plate 19 and the movable block 20 are rotatably connected to each other, ensuring the flexibility and accuracy of the transmission. The other end of the movable rod 16... A limit block 21 is fixed at the end to prevent it from exceeding the safety limit. A connecting strip 22 is fixed below the moving block 20 to connect various parts and ensure a stable connection between them. The door 23 is fixed below the connecting strip 22. Both motors 15 are equipped with synchronous signal generators to realize a dual drive force feedback mechanism, which ensures the stable operation of the elevator door and greatly reduces the risk of the entire system stopping due to a single point of failure. In addition, a foot pad 3 is provided in the lower part of the elevator car 1. Screws 4 are threadedly connected to the four corners of the upper end of the foot pad 3. The screws 4 pass through the foot pad 3 and are threadedly connected to the elevator car 1, which facilitates maintenance and replacement when needed.

[0041] Reference Figure 3 and Figure 5 The anti-pinch mechanism 2 includes a sliding plate 201, which is slidably connected to the inside of the door 23. Multiple bases 202 are fixedly connected to the outside of the sliding plate 201. Rotating plates 203 are rotatably connected to the upper and lower ends of the bases 202. Multiple springs 204 are fixedly connected to the outer wall of the bases 202 for resetting. A push plate 205 is rotatably connected to the other end of the rotating plate 203. The other end of the springs 204 is fixedly connected to the push plate 205. A triggering device 206 is fixedly connected to the middle of the sliding plate 201 for starting. A sliding shell 207 is fixedly connected to the outer wall of the push plate 205. A soft pad 208 is fixedly connected inside the sliding shell 207 to prevent pinching. A canceling device 209 is fixedly connected to the right end of the left sliding plate 201. A starting block 210 is fixedly connected to the left end of the right sliding plate 201. A controller 5 is fixedly connected to the left end of the elevator car 1. Multiple buttons 6 are fixedly connected to the right end of the controller 5.

[0042] Specifically, during the anti-pinch function of the safe and stable elevator door system, a sliding plate 201 is slidably connected inside the door 23. Multiple bases 202 are fixed to the outside of the sliding plate 201. The upper and lower edges of the bases 202 are rotatably connected to a rotating plate 203, providing auxiliary support. Multiple springs 204 are also fixed to the outside of the bases 202. The springs 204 are compressed and reset to ensure normal system operation. The other end of the rotating plate 203 is rotatably connected to a push plate 205, which serves as a connector. The other end of the springs 204 is fixedly connected to the push plate 205 to ensure coordinated operation. A triggering device 206 is fixed in the middle of the sliding plate 201 to activate the anti-pinch function. A clamping device is included to prevent passengers from being pinched when the elevator door closes. A sliding shell 207 is fixed to the outside of the push plate 205, and a soft pad 208 is fixed inside the sliding shell 207. The soft pad 208 is used to prevent injury to passengers in an emergency. A cancellation device 209 is fixed to the right side of the sliding plate 201 to close the anti-pinch device, while an activation block 210 is fixed to the left side of the sliding plate 201 to close the anti-pinch device. This achieves the safety function of preventing hand pinching during the closing of the elevator door. A controller 5 is fixedly connected to the left end of the elevator car 1, and multiple buttons 6 are fixedly connected to the right end of the controller 5 to ensure convenient and safe use of the elevator. The motor 15 is model Y2-200L-4.

[0043] Reference Figure 1 , Figure 2 and Figure 3 A support rod 7 is fixedly connected to the upper rear side of the elevator car 1, and a camera device 8 is rotatably connected to the outside of the support rod 7 to capture images; a frame 9 is fixedly connected to the left side of the elevator car 1, and a display screen 10 is fixedly connected to the right end of the frame 9 for display; a mounting groove 11 is opened at the upper end of the elevator car 1, and a lighting lamp 12 is fixedly connected inside the mounting groove 11 for illumination; a fixing groove 13 is opened at the rear end of the elevator car 1, and a lens 14 is fixedly connected inside the fixing groove 13.

[0044] Specifically, a support rod 7 is securely fixed to the upper rear side of the elevator car 1. A camera device 8 is rotatably connected to the outer side of the support rod 7, allowing for flexible angle adjustment to capture real-time images inside the elevator car 1. A frame 9 is fixed to the left side of the elevator car 1, and a display screen 10 is fixedly connected to the right end of the frame 9. A mounting slot 11 is also provided at the upper end of the elevator car 1, and a lighting lamp 12 is fixedly connected inside the mounting slot 11 to ensure sufficient lighting inside the elevator car 1. A fixing slot 13 is also provided at the rear end of the elevator car 1, and a lens 14 is fixedly connected inside the fixing slot 13 to facilitate passengers' observation of the situation behind the elevator car 1, thereby enhancing the safety of the ride.

[0045] Working principle: When the safe and stable elevator door system opens and closes the elevator door, the output end of the motor 15 drives the rotating shaft 17 to rotate. The moving rod 16 is fixed at the front of the elevator car 1 to move the parts left and right. The other end of the rotating shaft 17 is fixed to the moving plate 18 for synchronous movement. The other end of the moving plate 18 is rotatably connected to the auxiliary plate 19 for transmission. The middle of the moving rod 16 is slidably connected to the moving block 20 for synchronous movement. The auxiliary plate 19 is rotatably connected to the moving block 20. The other end of the moving rod 16 is fixed to the limit block 21 to limit the safety range. The bottom of the moving block 20 is fixed to the connecting strip 22 for connecting the parts. The bottom of the connecting strip 22 is fixed to the door 23. The two motors 15 are equipped with synchronous signal generators, realizing a dual driving force feedback mechanism to ensure the stable operation of the door and greatly reduce the risk of the whole system stopping due to a single point of failure.

[0046] When the safe and stable elevator door system is activated to prevent pinching, a sliding plate 201 is slidably connected inside the door 23. Multiple bases 202 are fixed to the outside of the sliding plate 201 for fixation. The upper and lower edges of the bases 202 are connected to a rotating plate 203 for auxiliary function. Multiple springs 204 are fixed to the outside of the bases 202 for compression and reset. The other end of the rotating plate 203 is connected to a push plate 205 for connection. The other end of the springs 204 is fixed to the push plate 205. A triggering device 206 is fixed in the middle of the sliding plate 201 to activate the anti-pinch device. A sliding shell 207 is fixed to the outside of the push plate 205. A soft pad 208 is fixed inside the sliding shell 207 to prevent injury. A canceling device 209 is fixed to the right side of the left sliding plate 201 to close the anti-pinch device. A starting block 210 is fixed to the left side of the right sliding plate 201 for triggering function, thus preventing the hand from being pinched when the elevator door closes.

[0047] 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 secure and robust elevator door system comprising an elevator car (1), characterized by: Motors (15) are fixedly connected to both the left and right ends of the elevator car (1). Movable rods (16) are fixedly connected to both the left and right sides of the upper end of the elevator car (1). A rotating shaft (17) is fixedly connected to the output end of the motor (15). A moving plate (18) is fixedly connected to the upper end of the rotating shaft (17). An auxiliary plate (19) is rotatably connected to the other end of the moving plate (18). A moving block (20) is slidably connected to the middle of the moving rod (16). The auxiliary plate (19) is rotatably connected to the moving block (20). A limit block (21) is fixedly connected to the other end of the moving rod (16). A connecting strip (22) is fixedly connected to the bottom end of the moving block (20). A machine door (23) is fixedly connected to the bottom of the connecting strip (22). An anti-pinch mechanism (2) is slidably connected inside the machine door (23). The anti-pinch mechanism (2) is used to prevent the elevator door from pinching the hand when it is closed.

2. A safety and security elevator door system as claimed in claim 1, wherein: The anti-pinch mechanism (2) includes a sliding plate (201), which is slidably connected to the inside of the machine door (23). Multiple bases (202) are fixedly connected to the outside of the sliding plate (201). Rotating plates (203) are rotatably connected to the upper and lower ends of the bases (202). Multiple springs (204) are fixedly connected to the outer wall of the bases (202). A push plate (205) is rotatably connected to the other end of the rotating plate (203). The other end of the springs (204) is fixedly connected to the push plate (205). A triggering device (206) is fixedly connected to the middle of the sliding plate (201). A sliding shell (207) is fixedly connected to the outer wall of the push plate (205). A soft pad (208) is fixedly connected inside the sliding shell (207). A cancellation device (209) is fixedly connected to the right end of the left sliding plate (201). A starting block (210) is fixedly connected to the left end of the right sliding plate (201).

3. The secure and stable elevator door system according to claim 1, wherein: The lower middle part of the elevator car (1) is provided with a foot pad (3), and screws (4) are threaded to the four corners of the upper end of the foot pad (3). The screws (4) pass through the foot pad (3) and are threaded to the elevator car (1).

4. The secure and stable elevator door system according to claim 1, wherein: The left end of the elevator car (1) is fixedly connected to a controller (5), and the right end of the controller (5) is fixedly connected to multiple buttons (6).

5. The secure and stable elevator door system according to claim 1, wherein: A support rod (7) is fixedly connected to the upper rear side of the elevator car (1), and a camera device (8) is rotatably connected to the outer side of the support rod (7).

6. The secure and stable elevator door system according to claim 1, wherein: A frame (9) is fixedly connected to the left side of the elevator car (1), and a display screen (10) is fixedly connected to the right end of the frame (9).

7. The secure and stable elevator door system according to claim 1, wherein: The upper end of the elevator car (1) is provided with an installation groove (11), and a lighting lamp (12) is fixedly connected inside the installation groove (11).

8. The secure and stable elevator door system according to claim 1, wherein: The elevator car (1) has a fixed groove (13) at its rear end, and a lens (14) is fixedly connected inside the fixed groove (13).

Images