Automatic alarm starting and stopping device for high-speed elevator

Abstract

The utility model discloses an automatic alarm start-stop device for a high-speed elevator, which relates to the technical field of elevator alarm and comprises an elevator car, a movable plate is arranged on the upper side of the interior of the elevator car in a sliding mode, a sliding groove is formed in the upper surface of the movable plate, and two sliding blocks are arranged in the sliding groove in a sliding mode. Supporting rods are arranged on the upper sides of the two sliding blocks correspondingly, the two ends of each supporting rod are rotationally connected with connecting blocks through shaft pins correspondingly, the two connecting blocks on the lower side are fixedly connected with the corresponding sliding blocks correspondingly, and the two connecting blocks on the upper side are fixedly connected with the inner wall of the elevator car. An automatic alarm switch is fixedly arranged on the inner wall of the elevator car and located between the two connecting blocks, an ejector rod is fixedly arranged on the lower side of the automatic alarm switch, and the lower end of the ejector rod is fixedly connected with the movable plate. The elevator power-off alarm device can automatically give an alarm when an elevator power-off fault occurs, so that rescuers can rescue trapped persons in time.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator alarms, in particular to an automatic alarm start-stop device for a high-speed elevator. Background Art

[0002] An elevator is a permanent transportation device that serves several specific floors in a building. Its car runs on at least two rows of rigid tracks that are perpendicular to the horizontal plane or have an inclination angle of less than 15° to the plumb line. It is widely used and greatly facilitates people's passage and the transportation of goods. When an elevator breaks down during use, the passengers will be trapped inside the elevator.

[0003] Traditional high-speed elevator alarm devices usually need to be triggered manually. When the elevator fails, it may cause injuries to passengers and prevent them from actively triggering the alarm button, delaying the best time for rescue. Utility Model Content

[0004] In view of the above problems existing in the existing automatic alarm start-stop device for high-speed elevators, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide an automatic alarm start-stop device for high-speed elevators, which solves the problem that the high-speed elevator alarm device in the prior art usually needs to be manually triggered, which may cause injuries to passengers when the elevator fails, resulting in the passengers being unable to actively trigger the alarm button, delaying the best rescue time.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A high-speed elevator automatic alarm start-stop device comprises an elevator car, a movable plate is slidably arranged on the upper inner side of the elevator car, a slide groove is provided on the upper surface of the movable plate, two sliders are slidably arranged inside the slide groove, support rods are arranged on the upper sides of the two sliders, both ends of the support rods are rotatably connected with connecting blocks through axle pins, the two lower connecting blocks are respectively fixedly connected to the corresponding sliders, the two upper connecting blocks are fixedly connected to the inner wall of the elevator car, an automatic alarm switch is fixedly arranged on the inner wall of the elevator car and located between the two connecting blocks, a push rod is fixedly arranged on the lower side of the automatic alarm switch, the lower end of the push rod is fixedly connected to the movable plate, an electromagnet is fixedly arranged on the upper sides of the two sliders, and the two electromagnets are magnetically connected;

[0008] Both sides of the inner upper end of the elevator car are provided with a reset mechanism for driving the movable plate to move upward.

[0009] Preferably, the reset mechanism includes a fixed shell and a movable rod, the two fixed shells are respectively fixedly arranged on the inner walls on both sides of the upper end of the elevator car, and blocks are slidably arranged inside the two fixed shells. The movable rod is fixedly arranged on the lower side of the block, and the lower end of the movable rod extends to the outside of the cavity. The lower end of the movable rod is fixedly connected to one end of the corresponding movable plate, and a spring is movably sleeved on the rod wall of the movable rod, one end of the spring is fixedly connected to the lower surface of the block, and the other end of the spring is fixedly connected to the inner wall of the fixed shell.

[0010] Preferably, the longitudinal sections of the slider and the slide groove are both T-shaped.

[0011] Preferably, the cross-sections of the fixed shell and the stopper are both rectangular.

[0012] Preferably, a rubber strip is fixedly provided on the outer wall of the movable plate.

[0013] Preferably, a light panel is fixedly mounted on the lower side of the movable panel.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] The utility model can disconnect the power supplies of the two electromagnets when the elevator car is accidentally powered off, so that the two electromagnets lose their magnetism. At this time, the elastic forces of the springs on both sides push the corresponding stoppers upwards, so that the movable rod moves upwards, and the movable rod drives the movable plate to move upwards. During this period, the two supporting rods are pushed by the movable plate to rotate toward the horizontal, so that the sliders on both sides move away from each other, and the top rod presses the automatic alarm switch upwards, so that the automatic alarm can be started and the automatic alarm can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 This is a structural schematic diagram of an automatic alarm start-stop device for a high-speed elevator proposed by the utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the structure of the local A part;

[0019] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part B in the middle.

[0020] Description of reference numerals:

[0021] 1. Elevator car; 2. Movable plate; 3. Light board; 4. Fixed shell; 5. Movable rod; 6. Stop block; 7. Spring; 8. Automatic alarm switch; 9. Slider; 10. Push rod; 11. Electromagnet; 12. Support rod; 13. Axle pin; 14. Connecting block. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] The utility model embodiment discloses an automatic alarm start-stop device for a high-speed elevator.

[0024] Reference Figure 1-3 A high-speed elevator automatic alarm start-stop device includes an elevator car 1, a movable plate 2 is slidably arranged on the upper side of the interior of the elevator car 1, a rubber strip is fixedly arranged on the outer wall of the movable plate 2 to improve the sealing between the movable plate 2 and the elevator car 1, a light board 3 is fixedly installed on the lower side of the movable plate 2 for convenient lighting, a slide groove is provided on the upper surface of the movable plate 2, two sliders 9 are slidably arranged inside the slide groove, the longitudinal sections of the slider 9 and the slide groove are both T-shaped, and the slider 9 is prevented from slipping out of the slide groove as much as possible, and the upper sides of the two sliders 9 are provided with support rods 12 Both ends of the support rod 12 are rotatably connected with connecting blocks 14 through an axle pin 13. The two lower connecting blocks 14 are respectively fixedly connected to the corresponding sliders 9. The two upper connecting blocks 14 are fixedly connected to the inner wall of the elevator car 1. An automatic alarm switch 8 is fixedly arranged on the inner wall of the elevator car 1 and located between the two connecting blocks 14. A push rod 10 is fixedly arranged on the lower side of the automatic alarm switch 8. The lower end of the push rod 10 is fixedly connected to the movable plate 2. Electromagnets 11 are fixedly arranged on the upper sides of the two sliders 9, and the two electromagnets 11 are magnetically connected.

[0025] Reference Figure 1-3 , reset mechanisms for driving the movable plate 2 to move upward are arranged on both sides of the upper end of the elevator car 1, and the reset mechanism includes a fixed shell 4 and a movable rod 5. The two fixed shells 4 are respectively fixedly arranged on the inner walls on both sides of the upper end of the elevator car 1, and the insides of the two fixed shells 4 are slidably provided with blocks 6, and the movable rod 5 is fixedly arranged on the lower side of the block 6. The lower end of the movable rod 5 extends to the outside of the cavity, and the lower end of the movable rod 5 is fixedly connected to one end of the corresponding movable plate 2. A spring 7 is movably sleeved on the rod wall of the prime movable rod 5, one end of the spring 7 is fixedly connected to the lower surface of the block 6, and the other end of the spring 7 is fixedly connected to the inner wall of the fixed shell 4. The cross-sections of the fixed shell 4 and the block 6 are both rectangular, so that the block 6 cannot rotate, that is, it can slide stably.

[0026] In the utility model, when in use, when the elevator car 1 is accidentally powered off, the power supplies of the two electromagnets 11 are disconnected, and the two electromagnets 11 lose their magnetism. At this time, the elastic force of the springs 7 on both sides pushes the corresponding stoppers 6 upward, and the movable rod 5 moves upward, and the movable rod 5 drives the movable plate 2 to move upward. During this period, the two support rods 12 are pushed by the movable plate 2 to rotate toward the horizontal, and the sliders 9 on both sides move away from each other, and the top rod 10 presses the automatic alarm switch 8 upward, so that the automatic alarm can be started and the automatic alarm can be realized.

[0027] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A high-speed elevator automatic alarm start-stop device, comprising an elevator car (1), characterized in that: A movable plate (2) is slidably arranged on the upper side of the interior of the elevator car (1), a slide groove is provided on the upper surface of the movable plate (2), two sliders (9) are slidably arranged inside the slide groove, a support rod (12) is arranged on the upper side of the two sliders (9), both ends of the support rod (12) are rotatably connected to a connecting block (14) through an axle pin (13), the two lower connecting blocks (14) are respectively fixedly connected to the corresponding sliders (9), the two upper connecting blocks (14) are fixedly connected to the inner wall of the elevator car (1), an automatic alarm switch (8) is fixedly arranged on the inner wall of the elevator car (1) and located between the two connecting blocks (14), a push rod (10) is fixedly arranged on the lower side of the automatic alarm switch (8), the lower end of the push rod (10) is fixedly connected to the movable plate (2), the upper sides of the two sliders (9) are fixedly arranged with an electromagnet (11), and the two electromagnets (11) are magnetically connected; Both sides of the inner upper end of the elevator car (1) are provided with a reset mechanism for driving the movable plate (2) to move upward.

2. The high-speed elevator automatic alarm start-stop device according to claim 1, characterized in that: The reset mechanism comprises a fixed shell (4) and a movable rod (5), the two fixed shells (4) are respectively fixedly arranged on the inner walls on both sides of the upper end of the elevator car (1), and the inside of the two fixed shells (4) is slidably provided with a stopper (6), the movable rod (5) is fixedly arranged on the lower side of the stopper (6), the lower end of the movable rod (5) extends to the outside of the cavity, the lower end of the movable rod (5) is fixedly connected to one end of the corresponding movable plate (2), and a spring (7) is movably sleeved on the rod wall of the movable rod (5), one end of the spring (7) is fixedly connected to the lower surface of the stopper (6), and the other end of the spring (7) is fixedly connected to the inner wall of the fixed shell (4).

3. The automatic alarm start-stop device for high-speed elevators according to claim 1, characterized in that: The longitudinal sections of the slider (9) and the slide groove are both T-shaped.

4. The high-speed elevator automatic alarm start-stop device according to claim 2, characterized in that: The cross sections of the fixed shell (4) and the stopper (6) are both rectangular.

5. The high-speed elevator automatic alarm start-stop device according to claim 1, characterized in that: A rubber strip is fixedly arranged on the outer wall of the movable plate (2).

6. The high-speed elevator automatic alarm start-stop device according to claim 1, characterized in that: A light panel (3) is fixedly mounted on the lower side of the movable panel (2).

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