CN219448984U - Mechanical protection device for elevator door motor - Google Patents

Abstract

The utility model discloses an elevator door machine mechanical protection device which comprises a door machine outer frame and two elevator doors, wherein a motor is arranged in the middle of the upper end of the door machine outer frame, two ends of the inner side of the door machine outer frame are symmetrically connected with screw rods in a rotating mode, a first bevel gear is arranged on an output shaft at the bottom of the motor, two second bevel gears are arranged at the two ends of the screw rods, which are close to each other, of the screw rods, a controller is arranged at one side of the upper end of the door machine outer frame, and moving plates are symmetrically arranged at the two ends of the inner side of the door machine outer frame. This elevator door machine mechanical protection device through motor, first helical gear, second helical gear, lead screw, movable plate, first recess, slider, slide bar, first buffer spring, rubber frame, buffer plate, second buffer spring's mutually supporting can realize opening and shutting of two elevator doors, can play mechanical buffering protection when infrared emitting diode and infrared receiver trouble, has avoided causing great damage when being pressed from both sides.

Description

Mechanical protection device for elevator door motor

Technical Field

The utility model relates to the field of elevator door motor protection devices, in particular to a mechanical elevator door motor protection device.

Background

The prior safety protection device of the elevator door is generally two safety protection devices, namely a safety touch plate and a light curtain safety protection device, wherein the safety touch plate can displace when a person or an object touches the touch plate in the closing process of the elevator door, and the door which is being closed can be reopened when the micro switch is jacked; the light curtain safety protection is that an infrared light emitting diode and an infrared receiver form a dense light curtain on two sides of an elevator door, when one light beam is blocked by a person or an object, an internal microprocessor immediately outputs a signal to command the door which is being closed to be in an open or waiting state, and the two safety protection devices are both related to electrons, and compared with a mechanical structure, an electronic product is relatively fragile and is easily influenced by a plurality of aspects to cause electric faults, so that the life and property safety of an elevator passenger has potential safety hazards.

Therefore, it is necessary to provide a mechanical protection device for elevator door motor to solve the above problems.

Disclosure of Invention

The utility model mainly aims to provide a mechanical protection device for an elevator door machine, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the elevator door machine mechanical protection device comprises a door machine outer frame and two elevator doors, wherein a motor is arranged in the middle of the upper end of the door machine outer frame, two ends of the inner side of the door machine outer frame are symmetrically connected with screw rods in a rotating mode, a first bevel gear is arranged on an output shaft at the bottom of the motor, two second bevel gears are arranged at the positions, close to one end, of each screw rod, a controller is arranged on one side of the upper end of the door machine outer frame, moving plates are symmetrically arranged at the two ends of the inner side of the door machine outer frame, through grooves are symmetrically formed in two sides of the lower end of the outer frame, sliding blocks are fixedly connected to the bottom of each moving plate, a first groove is formed in the top of each elevator door, sliding rods are transversely arranged at the lower end of the inner side of each first groove, and first buffer springs are symmetrically sleeved at the outer sides of the two ends of each sliding rod;

the elevator is characterized in that a buffer cavity is formed in one side of the elevator door, a buffer plate is movably connected to the inner side of the buffer cavity, second buffer springs are symmetrically and fixedly connected to the upper side and the lower side of the tail end of the inner cavity of the buffer cavity, a second groove is formed in one side, far away from the second buffer springs, of the buffer plate, and a rubber frame is fixedly connected to the periphery of one side, far away from the elevator door, of the buffer plate.

Preferably, the first bevel gear is positioned on the inner side of the door frame, and the first bevel gear is meshed with the two second bevel gears.

Preferably, the upper end of the movable plate is in threaded connection with the screw rod, the lower end of the movable plate penetrates through the through groove to extend to the bottom of the door machine outer frame, the inner side of the upper end of the movable plate is movably connected with a guide wheel, and the upper end of the guide wheel is in rolling fit with the inner wall of the door machine outer frame.

Preferably, the sliding block is slidably connected to the inner side of the first groove, the lower end of the sliding block is movably connected to the outer side of the sliding rod, and two ends of the first buffer spring are fixedly connected with the side wall of the sliding block and the inner wall of the first groove respectively.

Preferably, an infrared light emitting diode is arranged on the inner side of one of the second grooves, and an infrared receiver matched with the infrared light emitting diode is arranged in the other second groove.

Preferably, one side of the buffer plate is fixedly connected with one end of the second buffer spring.

Advantageous effects

Compared with the prior art, the utility model provides a mechanical protection device for an elevator door machine, which has the following beneficial effects:

1. this elevator door machine mechanical protection device through motor, first helical gear, second helical gear, lead screw, movable plate, first recess, slider, slide bar, first buffer spring, rubber frame, buffer plate, second buffer spring's mutually supporting can realize opening and shutting of two elevator doors, can play mechanical buffering protection when infrared emitting diode and infrared receiver trouble, has avoided causing great damage when being pressed from both sides.

2. This elevator door machine mechanical protection device, the setting of leading wheel and logical groove is convenient for lead to the movable plate, the displacement of the movable plate of being convenient for.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

fig. 3 is a schematic cross-sectional structure of the junction of the moving plate and the elevator door of the present utility model;

fig. 4 is a schematic cross-sectional structure of the joint of the elevator door and the buffer plate of the present utility model.

In the figure: 1. an elevator door; 2. a door frame; 3. a moving plate; 4. a motor; 5. a controller; 6. a screw rod; 7. a first helical gear; 8. a second helical gear; 9. a buffer plate; 10. a through groove; 11. a guide wheel; 12. a first groove; 13. a slide block; 14. a slide bar; 15. a first buffer spring; 16. a buffer chamber; 17. a second buffer spring; 18. a second groove; 19. an infrared light emitting diode; 20. a rubber frame.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, an elevator door machine mechanical protection device comprises a door machine outer frame 2 and two elevator doors 1, wherein a motor 4 is arranged in the middle of the upper end of the door machine outer frame 2, two ends of the inner side of the door machine outer frame 2 are symmetrically and rotationally connected with screw rods 6, a first bevel gear 7 is arranged on an output shaft at the bottom of the motor 4, two ends of the screw rods 6, which are close to one end, are provided with second bevel gears 8, the first bevel gear 7 is positioned on the inner side of the door machine outer frame 2, the first bevel gear 7 is meshed with the two second bevel gears 8, one side of the upper end of the door machine outer frame 2 is provided with a controller 5, two ends of the inner side of the door machine outer frame 2 are symmetrically provided with moving plates 3, two sides of the lower end of the door machine outer frame 2 are symmetrically provided with through grooves 10, the upper end of the moving plates 3 is in threaded connection with the screw rods 6, the lower end of the moving plates 3 penetrates through the through grooves 10 to the bottom of the door machine outer frame 2, the inner side of the upper end of the moving plates 3 is movably connected with guide wheels 11, the upper ends of the guide wheels 11 are in rolling fit with the inner walls of the upper end of the moving plates 2, the upper ends of the guide wheels 11 are arranged on the inner sides of the moving plates, the moving plates 3 are convenient for guiding the moving plates 3, the moving plates are convenient to move the moving plates 13, the moving plates are meshed with the inner walls of the door frames 2, the upper ends of the guide sliding plates 1 and the sliding plates are convenient to move, the moving plates 1 and the sliding plates are connected with the first side springs 13 and are connected with the first side 13 and are fixedly to the first side 13, which are fixedly to the inner side 13, which is respectively, which is connected with the upper side 13 and 13, and 13 and is fixedly to the upper side 13;

the elevator door 1 is provided with a buffer cavity 16 on one side, a buffer plate 9 is movably connected to the inner side of the buffer cavity 16, a second buffer spring 17 is symmetrically and fixedly connected to the upper side and the lower side of the tail end of the inner cavity of the buffer cavity 16, one side of the buffer plate 9 is fixedly connected with one end of the second buffer spring 17, a second groove 18 is formed in one side, far away from the second buffer spring 17, of the buffer plate 9, an infrared light-emitting diode 19 is arranged on the inner side of one second groove 18, an infrared receiver matched with the infrared light-emitting diode 19 is arranged in the other second groove 18, a rubber frame 20 is fixedly connected to the periphery of one side, far away from the elevator door 1, of the buffer plate 9, and through the arranged motor 4, the first bevel gear 7, the second bevel gear 8, the screw rod 6, the moving plate 3, the first groove 12, the sliding block 13, the sliding rod 14, the first buffer spring 15, the rubber frame 20, the buffer plate 9 and the second buffer spring 17 are mutually matched with each other, so that opening and closing of the two elevator doors 1 can be realized, and large damage caused by clamping can be avoided when the infrared light-emitting diode 19 and the infrared receiver fail.

It should be noted that, the utility model is a mechanical protection device for an elevator door machine, when in use, the motor 4, the first bevel gear 7, the second bevel gear 8, the screw rod 6, the moving plate 3, the first groove 12, the sliding block 13, the sliding rod 14, the first buffer spring 15, the rubber frame 20, the buffer plate 9 and the second buffer spring 17 are mutually matched, so that the opening and closing of the two elevator doors 1 can be realized, when the infrared light emitting diode 19 and the infrared receiver fail, the mechanical buffer protection can be realized, in particular, the motor 4 drives the first bevel gear 7 to rotate, the first bevel gear 7 drives the two second bevel gears 8 to rotate, the second bevel gear 8 drives the two screw rods 6 to rotate, the screw rod 6 drives the elevator doors 1 to move through the moving plate 3, when the infrared light emitting diode 19 and the infrared receiver fail, the rubber frame 20 can be in direct contact with a clamped person, then the buffer plate 9 can compress the second buffer spring 17 at the inner side of the buffer cavity 16, the sliding block 13 can compress and stretch the first buffer spring 15 at the inner side of the first groove 12, and then the second buffer spring 17, the first buffer spring 15 and the rubber frame 20 are matched can jointly move, so that the guide plate 3 can be prevented from being damaged when being arranged to the guide the moving plate 3 to move more conveniently, and the moving plate 3 is convenient to move, and the guide plate is more than the moving plate is convenient to move, and the moving plate 11 is arranged.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides an elevator door machine mechanical protection device, includes door machine frame (2) and two elevator doors (1), its characterized in that: the elevator door comprises a door frame (2), wherein a motor (4) is mounted in the middle of the upper end of the door frame (2), screw rods (6) are symmetrically and rotatably connected to the two ends of the inner side of the door frame (2), a first bevel gear (7) is arranged on an output shaft at the bottom of the motor (4), a second bevel gear (8) is arranged at one end, close to the screw rods (6), of each screw rod, a controller (5) is arranged on one side of the upper end of the door frame (2), movable plates (3) are symmetrically arranged at the two ends of the inner side of the door frame (2), through grooves (10) are symmetrically formed in the two sides of the lower end of the door frame (2), a sliding block (13) is fixedly connected to the bottom of the movable plates (3), a first groove (12) is formed in the top of the elevator door (1), and a sliding rod (14) is transversely arranged at the lower end of the inner side of the first groove (12), and first buffer springs (15) are symmetrically sleeved at the outer sides of the two ends of the sliding rod (14).

The elevator door is characterized in that a buffer cavity (16) is formed in one side of the elevator door (1), a buffer plate (9) is movably connected to the inner side of the buffer cavity (16), second buffer springs (17) are symmetrically and fixedly connected to the upper side and the lower side of the tail end of the inner cavity of the buffer cavity (16), a second groove (18) is formed in one side, far away from the second buffer springs (17), of the buffer plate (9), and a rubber frame body (20) is fixedly connected to the periphery of one side, far away from the elevator door (1), of the buffer plate (9).

2. An elevator door machine mechanical protection device according to claim 1, characterized in that: the first bevel gear (7) is positioned on the inner side of the door outer frame (2), and the first bevel gear (7) is meshed with the two second bevel gears (8).

3. An elevator door machine mechanical protection device according to claim 1, characterized in that: the upper end of the movable plate (3) is in threaded connection with the screw rod (6), the lower end of the movable plate (3) penetrates through the through groove (10) to extend to the bottom of the door machine outer frame (2), the inner side of the upper end of the movable plate (3) is movably connected with the guide wheel (11), and the upper end of the guide wheel (11) is in rolling fit with the inner wall of the door machine outer frame (2).

4. An elevator door machine mechanical protection device according to claim 1, characterized in that: the sliding block (13) is slidably connected to the inner side of the first groove (12), the lower end of the sliding block (13) is movably connected to the outer side of the sliding rod (14), and two ends of the first buffer spring (15) are fixedly connected with the side wall of the sliding block (13) and the inner wall of the first groove (12) respectively.

5. An elevator door machine mechanical protection device according to claim 1, characterized in that: an infrared light emitting diode (19) is arranged on the inner side of one second groove (18), and an infrared receiver matched with the infrared light emitting diode (19) is arranged in the other second groove (18).

6. An elevator door machine mechanical protection device according to claim 1, characterized in that: one side of the buffer plate (9) is fixedly connected with one end of the second buffer spring (17).