CN113911883A

CN113911883A - Elevator door motor

Info

Publication number: CN113911883A
Application number: CN202111229205.3A
Authority: CN
Inventors: 李俊凯; 吴达彪
Original assignee: Zhejiang Zhiling Technology Co ltd
Current assignee: Zhejiang Zhiling Technology Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-01-11
Anticipated expiration: 2041-10-21
Also published as: CN113911883B

Abstract

The invention relates to the technical field of elevator door machines, and discloses an elevator door machine, which comprises an elevator car top, wherein a front hanging beam is fixedly connected to the front side of the elevator car top, a hanging beam inner cavity penetrates through the interior of the front hanging beam from top to bottom, a movable plate is movably connected to the interior of the hanging beam inner cavity, a control mechanism is installed on the upper surface of the elevator car top, a buffer mechanism is arranged in the interior of the hanging beam inner cavity, and a stop assembly is arranged on the upper surface of the elevator car top. Set up control mechanism, utilize the cylinder to control from the two movable plates of middle control and remove, guarantee that two movable plates atresss and equal, set up buffer gear, cushion the movable plate, slow down the functioning speed of movable plate, reach the effect that the time delay was closed the door, coil and cylinder use same power, when elevator trouble for in the fixed pin falls the fixed orifices, and the bottom card of fixed pin advances the fixed slot, thereby fixes the second piston rod, avoids elevator sedan-chair door to be taken off.

Description

Elevator door motor

Technical Field

The invention relates to the technical field of elevator door motors, in particular to an elevator door motor.

Background

The elevator door machine is a mechanism for opening and closing elevator car door, when it is received the elevator and opened or closed the door signal, the elevator door machine controls the door opening motor through the control system of its own, changes the moment produced by the motor into the force of a specific direction, closes or opens the door.

However, the existing elevator door motor controls the door opening motor through a control system provided by the elevator door motor, so that the opening and closing of the elevator car door are completed, the door opening motor is mostly installed on one side, the other side is driven through a gear and a transmission rope, the top end of a suspension rod of the elevator car door is fixed on the transmission rope, the transmission rope is easily deformed and elongated after long-term pulling, the stress imbalance of the two elevator car doors is caused, the speed of the existing elevator car door is high when the existing elevator car door is closed, delayed door closing cannot be achieved, and people ready for entering are easily injured by clamping. Accordingly, one skilled in the art provides an elevator door motor to solve the problems set forth in the background above.

Disclosure of Invention

The invention aims to provide an elevator door motor to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an elevator door motor, includes the elevator sedan-chair top, the front side rigid coupling on elevator sedan-chair top has preceding string roof beam, the inside of preceding string roof beam runs through from top to bottom and has seted up string roof beam inner chamber, the inside swing joint who hangs the roof beam inner chamber has the movable plate, the quantity of movable plate is two, the lower surface middle part rigid coupling of movable plate has the connecting plate, just the connecting plate runs through preceding string roof beam and extends to the below of preceding string roof beam, the bottom rigid coupling of connecting plate has elevator sedan-chair door, the last surface mounting on elevator sedan-chair top has control mechanism, the inside of hanging the roof beam inner chamber is provided with buffer gear, the upper surface on elevator sedan-chair top is provided with the locking subassembly.

As preferred, the diapire surface rigid coupling of hanging beam inner chamber has the extension rail, the quantity that extends the rail is two, and two extend rail symmetric distribution in the both sides of connecting plate, the lower surface mounting of movable plate has the rail wheel, the rail wheel is provided with two sets ofly, and every the rail wheel sets two wheels that the diameter is different to, the inboard wheel diameter of rail wheel is less than the outside wheel, the inboard wheel roll connection of rail wheel in extend the upper surface of rail, the outside wheel roll connection of rail wheel in the diapire surface of hanging beam inner chamber.

Preferably, the control mechanism comprises a base, an air cylinder is fixedly connected to the upper surface of the base, a transverse plate is fixedly connected to the front end of the air cylinder, second cylindrical bolts are fixedly connected to two sides of the upper surface of the transverse plate, the cylindrical shaft surface of each second cylindrical bolt is rotatably connected with the connecting rod, a first cylindrical bolt is fixedly connected to the upper surface of the movable plate, and the front end of the connecting rod is rotatably connected to the cylindrical shaft surface of each first cylindrical bolt.

Preferably, lateral wall support wheels are installed on the front side and the rear side of the movable plate, the front lateral wall and the rear lateral wall of the inner cavity of the hanging beam are provided with support wheel rails, and the lateral wall support wheels are far away from one end of the movable plate, which is sequentially connected with the inside of the support wheel rails in a rolling mode.

Preferably, the buffering mechanism comprises a three-way pipe, the three-way pipe is fixedly connected to the inside of the inner cavity of the hanging beam, the three-way pipe is located in the middle of the two moving plates, a second piston head is slidably connected to the inside of a lower end pipe opening of the three-way pipe, a second piston rod is fixedly connected to the surface of the outer side of the second piston head, the lower end of the second piston rod is fixedly connected to the surface of the transverse plate, a first piston head is slidably connected to the inside of a left port and a right port of the second piston head, and a first piston rod is fixedly connected to the outer side surface of the first piston head.

Preferably, an exhaust net is fixedly connected to the front wall of the three-way pipe, a fixed shaft is fixedly connected to the middle of the inner side face of the exhaust net, a rubber pad is fixedly connected to the surface of the fixed shaft, and the fixed shaft and the rubber pad are located right above the pipe orifice at the lower end of the three-way pipe.

Preferably, an anti-collision pad is fixedly connected to the outer side surface of the first piston rod, and the size of the anti-collision pad is larger than that of the side surface of the moving plate.

Preferably, the locking subassembly includes the mount, the mount rigid coupling in the upper surface on elevator sedan-chair top, the inside rigid coupling of mount has the iron core, the lower surface rigid coupling of iron core has iron plate, the coil has been cup jointed to the side surface of iron core, the vertical fixed orifices of having seted up in surface of second piston rod, the inside sliding connection of fixed orifices has the fixed pin, the top rigid coupling of fixed pin has armature, armature is located under iron plate, the fixed slot has been seted up to the upper surface on elevator sedan-chair top.

Preferably, the diameter of the fixing groove is equal to the diameter of the fixing hole, the length of the fixing pin is greater than that of the fixing hole, and when two elevator car doors are in contact with each other, the fixing groove and the fixing hole are located at the same vertical position.

Preferably, the coil and the cylinder use the same power source.

Compared with the prior art, the invention has the beneficial effects that:

1. the control mechanism is arranged, the air cylinder is used for controlling the two movable plates to move left and right from the middle, the two movable plates are guaranteed to be stressed equally, the pressure inside the three-way pipe can be controlled through the openable rubber pad when the exhaust net arranged on the front wall of the three-way pipe is arranged, the movable plates are guaranteed to move in opposite directions, the buffer mechanism is used for buffering, the running speed of the movable plates is reduced, and the effect of delaying door closing is achieved

2. Coil and cylinder use same power, when the elevator trouble, guarantee that cylinder and coil fall the electricity simultaneously, armature will part with iron plate for the fixed pin falls in the fixed orifices, and the bottom card of fixed pin advances the fixed slot, thereby fixes the second piston rod, makes the movable plate can't remove again, avoids the elevator sedan-chair door to be taken off, avoids personnel to be hindered by the elevator sedan-chair door clamp and receives the secondary damage.

Drawings

Fig. 1 is a schematic structural view of an elevator door motor;

fig. 2 is a schematic view of the internal structure of a front suspension beam in an elevator door motor;

FIG. 3 is a schematic diagram of the internal structure of a three-way pipe in an elevator door motor;

fig. 4 is a schematic view of the internal structure of a fixing frame in an elevator door motor.

In the figure: 1. an elevator car roof; 2. a front hanging beam; 3. hanging the beam inner cavity; 4. moving the plate; 5. a rail wheel; 6. an extension rail; 7. a connecting plate; 8. an elevator car door; 9. the side wall abuts against the wheel; 10. against the wheel rail; 11. a first cylindrical bolt; 12. a connecting rod; 13. a second cylindrical bolt; 14. a cylinder; 15. a transverse plate; 16. a base; 17. a three-way pipe; 18. an anti-collision pad; 19. a first piston rod; 20. a first piston head; 21. an exhaust net; 22. a fixed shaft; 23. a rubber pad; 24. a second piston rod; 25. a second piston head; 26. a fixing hole; 27. a fixed mount; 28. fixing grooves; 29. an armature; 30. a coil; 31. an iron core; 32. an iron plate; 33. a fixing pin; 100. a control mechanism; 200. a buffer mechanism; 300. a stop assembly.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the invention, an elevator door machine includes an elevator car roof 1, a front hanging beam 2 is fixedly connected to the front side of the elevator car roof 1, a hanging beam inner cavity 3 is vertically penetrated through the interior of the front hanging beam 2, two movable plates 4 are movably connected to the interior of the hanging beam inner cavity 3, a connecting plate 7 is fixedly connected to the middle of the lower surface of each movable plate 4, the connecting plate 7 penetrates through the front hanging beam 2 and extends to the lower side of the front hanging beam 2, an elevator car door 8 is fixedly connected to the bottom end of the connecting plate 7, a control mechanism 100 is mounted on the upper surface of the elevator car roof 1, a buffer mechanism 200 is arranged inside the hanging beam inner cavity 3, and a stop assembly 300 is arranged on the upper surface of the elevator car roof 1.

In addition, in one embodiment, extension rails 6 are fixedly connected to the bottom wall surface of the inner cavity 3 of the hanging beam, the number of the extension rails 6 is two, the two extension rails 6 are symmetrically distributed on two sides of the connecting plate 7, the rail wheels 5 are mounted on the lower surface of the moving plate 4, the two sets of rail wheels 5 are arranged, each rail wheel 5 is arranged into two wheels with different diameters, the diameter of the inner side wheel of each rail wheel 5 is smaller than that of the outer side wheel, the inner side wheels of each rail wheel 5 are connected to the upper surface of the extension rails 6 in a rolling mode, the outer side wheels of each rail wheel 5 are connected to the bottom wall surface of the inner cavity 3 of the hanging beam in a rolling mode, and the moving plate 4 can conveniently walk inside the inner cavity 3 of the hanging beam.

In addition, in one embodiment, the control mechanism 100 includes a base 16, a cylinder 14 is fixedly connected to an upper surface of the base 16, a transverse plate 15 is fixedly connected to a front end of the cylinder 14, second cylindrical bolts 13 are fixedly connected to both sides of the upper surface of the transverse plate 15, a connecting rod 12 is rotatably connected to a cylindrical shaft surface of the second cylindrical bolts 13, a first cylindrical bolt 11 is fixedly connected to an upper surface of the moving plate 4, and a front end of the connecting rod 12 is rotatably connected to a cylindrical shaft surface of the first cylindrical bolt 11, so that the two moving plates 4 are controlled to move left and right from the middle, and the two moving plates 4 are equally stressed.

In addition, in an embodiment, lateral wall support wheels 9 are installed on the front side and the rear side of the movable plate 4, support wheel rails 10 are installed on the front lateral wall and the rear lateral wall of the hanging beam inner cavity 3, one ends, far away from the movable plate 4, of the lateral wall support wheels 9 are sequentially connected to the interior, supported by the support wheel rails 10 in a rolling mode, of the end, away from the movable plate 4, of the lateral wall support wheels 9, the lateral wall support wheels 9 are arranged on the front side and the rear side of the movable plate 4, when the movable plate 4 is pushed by the connecting rod 12, the movable plate can be uniformly moved left and right through the support and rolling of the lateral wall support wheels 9 in the support wheel rails 10, and the situation that friction occurs between the connecting plate 7 below the movable plate 4 and the interior of the front hanging beam 2 and the use of equipment is influenced is avoided.

In addition, in one embodiment, the buffer mechanism 200 includes a three-way pipe 17, the three-way pipe 17 is fixedly connected inside the inner cavity 3 of the hanging beam, the three-way pipe 17 is located right in the middle of the two moving plates 4, a second piston head 25 is slidably connected inside a lower end pipe orifice of the three-way pipe 17, a second piston rod 24 is fixedly connected to an outer side surface of the second piston head 25, a lower end of the second piston rod 24 is fixedly connected to a surface of the transverse plate 15, first piston heads 20 are slidably connected inside left and right ports of the second piston head 25, and first piston rods 19 are fixedly connected to outer side surfaces of the two first piston heads 20.

In addition, in an embodiment, an exhaust net 21 is fixedly connected to the front wall of the three-way pipe 17, a fixed shaft 22 is fixedly connected to the middle portion of the inner side surface of the exhaust net 21, a rubber pad 23 is fixedly connected to the surface of the fixed shaft 22, and the fixed shaft 22 and the rubber pad 23 are located right above a pipe orifice at the lower end of the three-way pipe 17 and used for controlling the pressure inside the three-way pipe 17, so that when the moving plates 4 move in opposite directions, the buffering can be performed through the buffering mechanism 200, the operation speed of the moving plates 4 is slowed down, and the effect of delayed door closing is achieved.

In addition, in one embodiment, the outer side surface of the first piston rod 19 is fixedly connected with the crash pad 18, and the size of the crash pad 18 is larger than the size of the side surface of the moving plate 4, so that the crash pad 18 performs buffering to reduce the impact of the moving plate 4 on the first piston rod 19.

In addition, in one embodiment, the stopping assembly 300 includes a fixed frame 27, the fixed frame 27 is fixedly connected to the upper surface of the elevator car top 1, an iron core 31 is fixedly connected to the inside of the fixed frame 27, an iron plate 32 is fixedly connected to the lower surface of the iron core 31, a coil 30 is sleeved on the side surface of the iron core 31, a fixing hole 26 is vertically formed in the surface of the second piston rod 24 in a penetrating manner, a fixing pin 33 is slidably connected to the inside of the fixing hole 26, an armature 29 is fixedly connected to the top end of the fixing pin 33, the armature 29 is located right below the iron plate 32, and a fixing groove 28 is formed in the upper surface of the elevator car top 1.

In addition, in one embodiment, the diameter of the fixing groove 28 is equal to the diameter of the fixing hole 26, the length of the fixing pin 33 is greater than the length of the fixing hole 26, and when the two elevator doors 8 are in contact with each other, the fixing groove 28 and the fixing hole 26 are located at the same vertical position, so that the bottom end of the fixing pin 33 can slide into the fixing groove 28, the second piston rod 24 is fixed, the second piston rod 24 and the cylinder 14 are fixedly connected through the transverse plate 15, after the fixing pin 33 is clamped into the fixing groove 28, the moving plate 4 cannot move, the elevator doors 8 cannot be pulled open, and people are prevented from being injured by the elevator doors 8 for a second time.

In addition, in one embodiment, the coil 30 and the air cylinder 14 use the same power supply, when the elevator fails, the air cylinder 14 and the coil 30 are ensured to be powered down simultaneously, the armature 29 is separated from the iron plate 32, so that the fixing pin 33 falls into the fixing hole 26, and the bottom end of the fixing pin 33 is clamped into the fixing groove 28, so that the second piston rod 24 is fixed, the moving plate 4 cannot move any more, and the elevator car door 8 is prevented from being opened.

The working principle of the invention is as follows: when an elevator car door 8 of an elevator is opened, the controller controls the air cylinder 14, so that the driving end of the air cylinder 14 pushes the transverse plate 15 to move, the moving plate 4 moves towards two sides through the transmission of the connecting rod 12, the elevator car door 8 is opened towards two sides through the connecting plate 7 fixedly connected with the moving plate 4, the side wall at the front side of the moving plate 4 abuts against the wheel 9 and rolls in the abutting wheel rail 10, the transverse plate 15 moves due to the fixedly connected second piston rod 24 and the transverse plate 15, the second piston rod 24 is pushed to move when the transverse plate 15 moves, the second piston head 25 slides in the lower end pipe orifice of the three-way pipe 17, the rubber pad 23 is positioned at the right front side of the second piston head 25, when the second piston head 25 moves into the three-way pipe 17, the rubber pad 23 seals the exhaust net 21 under the action of pressure, and in order to ensure the constant pressure in the three-way pipe 17, the two first piston heads 20 move towards two sides respectively, when the elevator car doors 8 need to be closed, the transverse plate 15 contracts to enable the moving plates 4 to approach each other through the connecting rods 12, the second piston heads 25 move towards the outer side of the lower end pipe orifice of the three-way pipe 17, at the moment, two sides of the rubber cushion 23 are sucked up, the first piston heads 20 do not move along with the second piston heads 25, after the surfaces of the moving plates 4 are contacted with the anti-collision cushion 18, the impact of the moving plates 4 can be relieved through the buffering of the anti-collision cushion 18, when the moving plates 4 continue to move, the first piston heads 20 move towards the inner part of the three-way pipe 17, air in the three-way pipe 17 is exhausted to the outer part of the three-way pipe 17 through the air exhaust net 21 through the two sides of the rubber cushion 23, the moving speed of the three-way pipe 17 can be relieved through the sliding of the first piston heads 20 in the three-way pipe moving plate 17, so that the two elevator car doors 8 can be delayed in closing to avoid people being injured by clamping, when the elevator breaks down, people in the elevator often want to open the elevator car door 8 due to panic, the elevator car door 8 of a common elevator is often closed again after a seam is opened due to the fact that the elevator car door 8 is heavy, fingers of people are easily pinched and cause secondary damage to internal people, when the elevator breaks down suddenly and is powered off, the air cylinder 14 and the coil 30 are powered off simultaneously, the armature 29 and the iron plate 32 are separated from each other, the fixing pin 33 on the lower surface of the armature 29 falls into the fixing hole 26, the lower end of the fixing pin 33 is clamped into the fixing groove 28, the second piston rod 24 is fixed, the second piston rod 24 is fixedly connected with the transverse plate 15, the transverse plate 15 is connected with the moving plate 4 through the connecting rod 12, the elevator car door 8 is difficult to open, and secondary damage to the internal people of the elevator can be effectively avoided.

The above embodiments are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equally replaced or changed within the scope of the present invention.

Claims

1. The utility model provides an elevator door machine, includes elevator cab (1), its characterized in that: the front side rigid coupling of elevator sedan-chair top (1) has preceding string roof beam (2), the inside of preceding string roof beam (2) is run through from top to bottom and has been seted up string roof beam inner chamber (3), the inside swing joint who hangs roof beam inner chamber (3) has movable plate (4), the quantity of movable plate (4) is two, the lower surface middle part rigid coupling of movable plate (4) has connecting plate (7), just connecting plate (7) run through preceding string roof beam (2) and extend to the below of preceding string roof beam (2), the bottom rigid coupling of connecting plate (7) has elevator sedan-chair door (8), the last surface mounting of elevator sedan-chair top (1) has control mechanism (100), the inside of hanging roof beam inner chamber (3) is provided with buffer gear (200), the upper surface of elevator sedan-chair top (1) is provided with locking subassembly (300).

2. An elevator door motor according to claim 1, characterized in that: the diapire surface rigid coupling of hanging beam inner chamber (3) has extension rail (6), the quantity that extends rail (6) is two, and two extend rail (6) symmetric distribution in the both sides of connecting plate (7), the lower surface mounting of movable plate (4) has rail wheel (5), rail wheel (5) are provided with two sets ofly, and every rail wheel (5) set two wheels that the diameter is different, the inside wheel diameter of rail wheel (5) is less than the outside wheel, the inside wheel roll connection of rail wheel (5) in extend the upper surface of rail (6), the outside wheel roll connection of rail wheel (5) in the diapire surface of hanging beam inner chamber (3).

3. An elevator door motor according to claim 1, characterized in that: control mechanism (100) includes base (16), the upper surface rigid coupling of base (16) has cylinder (14), the front end rigid coupling of cylinder (14) has diaphragm (15), the equal rigid coupling in upper surface both sides of diaphragm (15) has second cylinder bolt (13), the cylinder axle surface of second cylinder bolt (13) rotates and is connected with connecting rod (12), the upper surface rigid coupling of movable plate (4) has first cylinder bolt (11), just the front end of connecting rod (12) rotate connect in the cylinder axle surface of first cylinder bolt (11).

4. An elevator door motor according to claim 1, characterized in that: lateral wall is all installed to the side around movable plate (4) and is leaned on wheel (9), just the lateral wall has all been seted up around hanging beam inner chamber (3) and has been leaned on wheel rail (10), lateral wall is leaned on wheel (9) and is kept away from the one end of movable plate (4) roll connection in proper order lean on the inside of wheel rail (10).

5. An elevator door motor according to claim 1, characterized in that: buffer gear (200) include three-way pipe (17), three-way pipe (17) rigid coupling in hang the inside of roof beam inner chamber (3), just three-way pipe (17) are located two the moving plate (4) are positive in the middle, the inside sliding connection of the lower extreme mouth of pipe of three-way pipe (17) has second piston head (25), the outside surface rigid coupling of second piston head (25) has second piston rod (24), the lower extreme rigid coupling of second piston rod (24) in the surface of diaphragm (15), the inside equal sliding connection of port has first piston head (20), two about second piston head (25) the equal rigid coupling of lateral surface of first piston head (20) has first piston rod (19).

6. An elevator door motor according to claim 5, characterized in that: an exhaust net (21) is fixedly connected to the front wall of the three-way pipe (17), a fixed shaft (22) is fixedly connected to the middle of the inner side face of the exhaust net (21), a rubber pad (23) is fixedly connected to the surface of the fixed shaft (22), and the fixed shaft (22) and the rubber pad (23) are located right above the pipe orifice of the lower end of the three-way pipe (17).

7. An elevator door motor according to claim 5, characterized in that: the outer side face of the first piston rod (19) is fixedly connected with an anti-collision pad (18), and the size of the anti-collision pad (18) is larger than that of the side surface of the moving plate (4).

8. An elevator door motor according to claim 1, characterized in that: stop subassembly (300) includes mount (27), mount (27) rigid coupling in the upper surface of elevator cab top (1), the inside rigid coupling of mount (27) has iron core (31), the lower surface rigid coupling of iron core (31) has iron plate (32), coil (30) have been cup jointed to the side surface of iron core (31), fixed orifices (26) have been seted up in the vertical running through in surface of second piston rod (24), the inside sliding connection of fixed orifices (26) has fixed pin (33), the top rigid coupling of fixed pin (33) has armature (29), armature (29) are located under iron plate (32), fixed slot (28) have been seted up to the upper surface of elevator cab top (1).

9. An elevator door motor according to claim 8, characterized in that: the diameter of the fixing groove (28) is equal to that of the fixing hole (26), the length of the fixing pin (33) is greater than that of the fixing hole (26), and when two elevator car doors (8) are in contact with each other, the fixing groove (28) and the fixing hole (26) are located at the same vertical position.

10. An elevator door motor according to claim 8, characterized in that: the coil (30) and the cylinder (14) use the same power source.