CN214527564U

CN214527564U - Limiting structure for midsplit variable frequency door machine

Info

Publication number: CN214527564U
Application number: CN202120694610.1U
Authority: CN
Inventors: 孙贤琳; 袁俊杰
Original assignee: Ningbo Yinzhou Aolixun Elevator Components Co ltd
Current assignee: Ningbo Yinzhou Aolixun Elevator Components Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-10-29
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a spacing structure for a middle-opening variable frequency door machine, which comprises an elevator well and a car, wherein the top of the car is fixed with a car top box, the middle of the top of the car top box is connected with an elevator rope, the right end of the car is provided with a car door, the top of the inside of the car is provided with a ceiling board, the right end of the car top box is slidably provided with a reinforcing square bar, the right end of the reinforcing square bar extends to the outside and is fixed with an insert block, the inner wall of the elevator well is provided with a trapezoidal slot matched with the insert block, the top of the inner wall of the car door is both fixed with a rack, the top of the ceiling board is rotatably provided with a driving rod, the outer wall of the driving rod is fixed with a first gear meshed with the rack, the front side and the back side of the inside of the ceiling board, which are close to one end of the car door, the outer wall of the driven rod is provided with a second gear, a linkage mechanism is connected between the driving rod and the driven rod, and the front end of the reinforcing square bar is uniformly fixed with a tooth block meshed with the second gear, the utility model discloses can play fine fixed limiting displacement when the elevator opens the door.

Description

Limiting structure for midsplit variable frequency door machine

Technical Field

The utility model relates to a spacing technical field of elevator specifically is a well divide variable frequency door machine limit structure.

Background

The frequency-dividing door motor is one of common elevators, namely, two elevator doors are divided equally, the elevator doors move from two sides to the middle simultaneously when closed until closed, and the elevator doors move from the middle to two sides respectively when opened.

An elevator is a vertical elevator powered by an electric motor and equipped with a box-like car for carrying people or cargo in a multi-story building. Elevators have become important building facilities and are indispensable in high-rise buildings and public places as transportation vehicles in the vertical direction. Once the elevator breaks down, personal injury is easily caused. Especially, when the elevator door is not completely closed and passengers get in and out, once the elevator goes upwards or falls down, the elevator car and the wall body have a cutting effect on objects between the elevator car and the wall body, and serious personal injury is caused. Therefore, the limiting structure for the middle-opening variable frequency door machine is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a well spacing structure for inverter door machine has simple structure, the high advantage of security, can play fine fixed limiting displacement when the elevator opens the door, has solved the problem of proposing among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a limiting structure for a middle-opening variable frequency door machine comprises an elevator shaft and a car, wherein a car top box is fixed at the top of the car, an elevator rope is connected in the middle of the top of the car top box, a car door is installed at the right end of the car, a ceiling board is installed at the top inside the car, a reinforcing square rod is slidably installed at the right end of the car top box, an inserting block is fixed to the right end of the reinforcing square rod extending to the outside, a trapezoidal inserting groove matched with the inserting block is formed in the inner wall of the elevator shaft, a rack is fixed to the top of the inner wall of the car door, a driving rod is rotatably installed at the top of the ceiling board, a first gear meshed with the rack is fixed to the outer wall of the driving rod, driven rods are rotatably installed on the front side and the back side of the inner portion, close to one end of the car door, second gears are installed on the outer wall of the driven rods, and a linkage mechanism is connected between the driving rods and the driven rods, one end, far away from the insert block, of the reinforcing square rod extends to the interior of the car top box, a tooth block meshed with the second gear is evenly fixed at the front end of the reinforcing square rod, and a through hole for the driving rod and the driven rod to pass through is formed in the bottom of the car top box.

Preferably, the top of the inner wall of the car door is provided with a strip groove, two ends of the strip groove respectively penetrate through the front end face and the rear end face of the car door, and the rack is fixed inside the strip groove.

Preferably, the car roof box is provided with a rectangular hole for the reinforcing square rod to pass through, the inner wall of the rectangular hole is provided with a guide sliding groove, and one end, far away from the tooth block, of the reinforcing square rod is fixed with a long sliding block matched with the guide sliding groove.

Preferably, the number of the trapezoidal slots is two, and the two trapezoidal slots are located in the middle above the hall door.

Preferably, the linkage mechanism comprises a first belt pulley fixed on the outer wall of the driving rod and a second belt pulley fixed on the outer wall of the driven rod, and a belt is connected between the first belt pulley and the second belt pulley in a transmission manner.

Preferably, the ceiling plate is fixedly installed on the inner wall of the car, and the ceiling plate is not in contact with the car door.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses when setting up the sedan-chair door and opening or closing, two sedan-chair doors leave mutually or move in opposite directions, the rack removes thereupon, drive the first gear revolve of meshing with it, make the drive lever rotate, belt pulley one on the drive lever rotates along with it, it rotates to drive belt pulley two through the belt, thereby make the driven lever rotate, make the second gear revolve, the second gear revolve rotates and drives the reinforcement square pole and move to sedan-chair top case outside or inside, it removes to drive the inserted block, make the inserted block enter into trapezoidal slot inside gradually or follow trapezoidal slot inside gradually and deviate from, thereby make when the sedan-chair door is opened, the inserted block plays limiting displacement, make the car can not rise or move down because of the trouble, the security has been improved, after the sedan-chair door is closed, the inserted block can not contact with the elevator well, make the ascending or down of car ability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the car of the present invention;

fig. 3 is a schematic view of the structure at a position a of the present invention.

In the figure: 1. an elevator hoistway; 2. a car; 3. a car door; 31. a rack; 4. a car top box; 41. a rectangular hole; 5. an elevator rope; 6. a ceiling plate; 7. a first gear; 8. a driving lever; 9. a belt; 10. a passive rod; 11. a second gear; 12. reinforcing the square rod; 13. a trapezoidal slot; 14. and (5) inserting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a limiting structure for a middle-opening variable frequency door machine comprises an elevator shaft 1 and a car 2, wherein a car top box 4 is fixed at the top of the car 2, an elevator rope 5 is connected in the middle of the top of the car top box 4, a car door 3 is installed at the right end of the car 2, a ceiling plate 6 is installed at the top inside the car 2, the ceiling plate 6 is fixedly installed on the inner wall of the car 2, and the ceiling plate 6 is not in contact with the car door 3;

as shown in fig. 2 and 3, a reinforcing square bar 12 is slidably mounted at the right end of the car top box 4, a rectangular hole 41 for the reinforcing square bar 12 to pass through is formed in the car top box 4, a guide sliding groove is formed in the inner wall of the rectangular hole 41, a long sliding block matched with the guide sliding groove is fixed at one end of the reinforcing square bar 12 away from the tooth block, the reinforcing square bar 12 moves inside the guide sliding groove through the long sliding block, the moving stability is increased, an insertion block 14 is fixed at the right end of the reinforcing square bar 12 extending to the outside, a trapezoidal slot 13 matched with the insertion block 14 is formed in the inner wall of the elevator shaft 1, the inner wall at the bottom of the trapezoidal slot 13 is obliquely arranged, a rack 31 is fixed at the top of the inner wall of the car door 3, a driving rod 8 is rotatably mounted at the top of the ceiling plate 6, a first gear 7 meshed with the rack 31 is fixed on the outer wall of the driving rod 8, a driven rod 10 is rotatably mounted on the front side and the rear side of one end, close to the car door 3, of the ceiling plate 6, a second gear 11 is mounted on the outer wall of the driven rod 10, a linkage mechanism is connected between the driving rod 8 and the driven rod 10, the linkage mechanism comprises a first belt pulley fixed on the outer wall of the driving rod 8 and a second belt pulley fixed on the outer wall of the driven rod 10, a belt 9 is connected between the first belt pulley and the second belt pulley in a transmission manner, when the car door 3 moves, the rack 31 moves along with the first belt pulley, so that the first gear 7 meshed with the rack rotates, the first gear 7 rotates, the driving rod 8 rotates to enable the first belt pulley to rotate, the first belt pulley drives the second belt pulley to rotate through the belt 9, the driven rod 10 is driven to rotate, and one end, far away from the insert block 14, of the reinforcing square rod 12 extends into the car top box 4, and the front end of the reinforcing square bar 12 is uniformly fixed with tooth blocks which are meshed with the second gear 11, the driven bar 10 rotates to enable the second gear 11 to rotate, the driven bar 10 and the tooth blocks on the reinforcing square bar 12 are meshed for transmission, so that the reinforcing square bar 12 moves, and the bottom of the car roof box 4 is provided with a through hole for the driving bar 8 and the driven bar 10 to pass through.

The top of the inner wall of the car door 3 is provided with a strip groove, two ends of the strip groove respectively penetrate through the front end face and the rear end face of the car door 3, the rack 31 is fixed inside the strip groove, and the rack 31 does not exceed the surface of the car door 3, so that the car door 3 is not blocked by the rack 31 when moving.

The two trapezoidal slots 13 are arranged and correspond to the two insertion blocks 14 on the car door 3 one by one, and the two trapezoidal slots 13 are positioned in the middle of the upper part of the hall door.

The working principle is as follows: when the limiting structure for the midsplit variable frequency door machine is used, the two car doors 3 move away from each other, the rack 31 moves along with the movement of the two car doors, the first gear 7 meshed with the rack is driven to rotate, the driving rod 8 is driven to rotate, the first belt pulley on the driving rod 8 rotates along with the rotation of the second belt pulley through the belt 9, the driven rod 10 rotates, the second gear 11 rotates to drive the reinforcing square rod 12 to move towards the outside of the car top box 4, the inserting block 14 moves and gradually enters the trapezoidal slot 13, the structure of the inserting block 14 and the trapezoidal slot 13 is arranged, the limiting effect is achieved, when the car doors 3 are opened, the car 2 cannot ascend or descend due to faults, the safety is improved, when the two car doors 3 move towards each other, the rack 31 drives the first gear 7 to rotate, the driving rod 8 rotates, the driven rod 10 rotates, and the second gear 11 rotates, at this time, the second gear 11 rotates to drive the reinforcing square rod 12 to move towards the interior of the car top box 4, and finally the inserting block 14 is driven to be separated from the trapezoidal inserting groove 13, so that the car 2 can move upwards or downwards after the car door 3 is closed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a well spacing structure for frequency conversion door machine, includes elevator well (1) and car (2), its characterized in that: the elevator car roof structure is characterized in that a car roof box (4) is fixed to the top of the car (2), an elevator rope (5) is connected to the middle of the top of the car roof box (4), a car door (3) is installed at the right end of the car (2), a ceiling plate (6) is installed at the top of the inside of the car (2), a reinforcing square rod (12) is installed at the right end of the car roof box (4) in a sliding mode, an inserting block (14) is fixed to the right end of the reinforcing square rod (12) in an extending mode, a trapezoidal inserting groove (13) matched with the inserting block (14) is formed in the inner wall of the elevator hoistway (1), racks (31) are fixed to the top of the inner wall of the car door (3), a driving rod (8) is installed at the top of the ceiling plate (6) in a rotating mode, a first gear (7) meshed with the racks (31) is fixed to the outer wall of the driving rod (8), driven rods (10) are installed on the inner portion, close to the front and back of one end of the car door (3) and on the inner portion of the ceiling plate (6), second gear (11) are installed to passive pole (10) outer wall, drive lever (8) with connect link gear between passive pole (10), consolidate square bar (12) and keep away from the one end of inserted block (14) extends to inside sedan-chair top box (4), just consolidate square bar (12) front end evenly be fixed with second gear (11) intermeshing's tooth piece, sedan-chair top box (4) bottom has been seted up and has been supplied drive lever (8) passive pole (10) pass through the through-hole.

2. The spacing structure for the intermediate frequency conversion door machine according to claim 1, characterized in that: the top of the inner wall of the car door (3) is provided with a strip groove, two ends of the strip groove respectively penetrate through the front end face and the rear end face of the car door (3), and the rack (31) is fixed inside the strip groove.

3. The spacing structure for the intermediate frequency conversion door machine according to claim 1, characterized in that: the car top box (4) is provided with a rectangular hole (41) for the reinforcing square rod (12) to pass through, the inner wall of the rectangular hole (41) is provided with a guide sliding groove, and one end of the reinforcing square rod (12) far away from the tooth block is fixed with a long sliding block matched with the guide sliding groove.

4. The spacing structure for the intermediate frequency conversion door machine according to claim 1, characterized in that: the number of the trapezoidal slots (13) is two, and the two trapezoidal slots (13) are located in the middle of the upper portion of the hall door.

5. The spacing structure for the intermediate frequency conversion door machine according to claim 1, characterized in that: the linkage mechanism comprises a first belt pulley fixed on the outer wall of the driving rod (8) and a second belt pulley fixed on the outer wall of the driven rod (10), and a belt (9) is connected between the first belt pulley and the second belt pulley in a transmission mode.

6. The spacing structure for the intermediate frequency conversion door machine according to claim 1, characterized in that: the suspended ceiling plate (6) is fixedly installed on the inner wall of the lift car (2), and the suspended ceiling plate (6) is not in contact with the lift car door (3).