CN214652897U

CN214652897U - Car door anti-falling device for car elevator

Info

Publication number: CN214652897U
Application number: CN202120419621.9U
Authority: CN
Inventors: 袁启阳; 国婷; 王良斌; 李娜; 魏继康
Original assignee: Nedec Elevator Qingdao Co ltd
Current assignee: Nedec Elevator Qingdao Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-11-09
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a car door dropout prevention means for car elevator, including box, floating gate, limiting plate, ratch, motor, atress board and forced induction ware, dead lever on the top fixedly connected with of box, and movable mounting has the guide block on the inner wall of last dead lever to the bottom fixed connection of guide block is at the upper surface of floating gate, the bottom fixedly connected with slider of floating gate, and slider movable mounting is on the dead lever down to dead lever fixed mounting is on the outer wall of box down, limiting plate fixed mounting is at the top of guide block, and the top laminating setting of limiting plate and last dead lever to fixed mounting has the ratch on the lateral wall of limiting plate. This car is van door dropout prevention means for elevator has effectively improved the spacing effect to the van door, has reduced the risk that the van door drops, and the shock resistance of van door is stronger, produces structural damage when preventing that the van door from receiving external impact.

Description

Car door anti-falling device for car elevator

Technical Field

The utility model relates to an elevator technical field specifically is a car door dropout prevention means for car elevator.

Background

The elevator is a special device commonly used by high-rise buildings, the steel cable is pulled by the motor, so that the metal car connected with the steel cable can move rapidly between floors with different heights, a user can be sent into a designated floor, and after the user arrives at the floor, a car door on the car moves under the action of the motor to open the inner space of the car.

However, the existing car door for the car elevator has poor fixing capacity of the limiting structure, the falling risk exists in the use process of the car door, the shock resistance of the car door is poor, and when the car door is impacted by the outside, the structure of the car door is easy to damage, so that the safety risk of the operation of the elevator is improved.

In order to solve the problems, innovative design is urgently needed on the basis of the original car door for the car elevator.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a carriage door dropout prevention means for car elevator to solve above-mentioned background and propose current carriage door for car elevator, limit structure's fixed ability is relatively poor, has the risk of droing in the carriage door use, and carriage door shock resistance is more weak, when receiving external impact, carriage door structure damages easily, has improved the problem of elevator operation safety risk.

In order to achieve the above object, the utility model provides a following technical scheme: a car door anti-falling device for a car elevator comprises a box body, a movable door, a limiting plate, a toothed bar, a motor, a stress plate and a pressure sensor, the top of the box body is fixedly connected with an upper fixed rod, the inner wall of the upper fixed rod is movably provided with a guide block, the bottom of the guide block is fixedly connected with the upper surface of the movable door, the bottom of the movable door is fixedly connected with a sliding block, the sliding block is movably arranged on the lower fixed rod, the lower fixed rod is fixedly arranged on the outer wall of the box body, the limit plate is fixedly arranged at the top of the guide block and is jointed with the top of the upper fixed rod, and a rack bar is fixedly arranged on the side wall of the limit plate, a power gear is arranged on the side of the rack bar and is fixedly connected on an output shaft of the motor, and the motor is fixedly arranged on the fixed support, and the fixed support is fixedly arranged at the top of the box body.

Preferably, the guide block is a cross-shaped long strip-shaped structure, the guide block and the upper fixing rod form a clamping sliding structure, and the guide block, the movable door and the sliding block are symmetrically provided with 2 groups about the central line of the box body.

Preferably, the inner wall of the movable door is movably provided with a stress plate, the stress plate is arranged in parallel with the inner wall of the movable door, and the stress plate is arranged on the inner side of the box body.

Preferably, the limiting plate and the rack bar are arranged in 2 groups in a central symmetry mode about the axis of the power gear, and the 2 rack bars and the power gear form a meshing transmission relationship.

Preferably, the stress plate is fixedly connected with the end part of the inner rod, the inner rod is movably arranged on the inner wall of the outer barrel, a spring is fixedly connected between the inner rod and the inner wall of the movable door, the spring is arranged on the inner side of the outer barrel, and the outer barrel is fixedly arranged on the inner wall of the movable door.

Preferably, the inner rod, the outer cylinder, the spring and the pressure sensor are arranged in 16 groups at equal intervals on the inner side of the movable door, the pressure sensor and the spring are coaxially arranged, and the pressure sensor is fixedly arranged on the inner wall of the movable door.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-falling device for the compartment door of the car elevator effectively improves the limiting effect on the compartment door, reduces the risk of falling off the compartment door, has stronger impact resistance, and prevents the compartment door from being structurally damaged when being impacted by the outside;

1. the section of the guide block is of a cross-shaped structure, the guide block and the upper fixing rod form a clamped sliding structure, the section of the sliding block is of a T-shaped structure, the sliding block and the lower fixing rod form a clamped sliding structure, the limiting plate connected to the top of the guide block is attached to the upper fixing rod, and the movable door is fixedly connected with the guide block and the sliding block, so that the limiting effect of the movable door is improved;

2. interior pole, urceolus, spring and pressure sensors have 16 groups at the inboard equidistant distribution of floating gate, and the tip fixed connection of interior pole is on the atress board, and when the atress board received external force and assaulted, the interior pole drove interior pole and removes, and interior pole makes the spring be and produces corresponding deformation to play the effect of buffering.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the power gear transmission structure of the present invention;

FIG. 3 is a schematic view of the guide block mounting structure of the present invention;

FIG. 4 is a schematic view of the installation structure of the stress plate of the present invention;

fig. 5 is a schematic view of the installation structure of the pressure sensor of the present invention.

In the figure: 1. a box body; 2. an upper fixing rod; 3. a guide block; 4. a movable door; 5. a slider; 6. a lower fixing rod; 7. a limiting plate; 8. a rack bar; 9. a power gear; 10. a motor; 11. fixing a bracket; 12. a stress plate; 13. an inner rod; 14. an outer cylinder; 15. a spring; 16. a pressure sensor.

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. 1-5, the present invention provides a technical solution: a car door anti-falling device for a car elevator comprises a box body 1, a movable door 4, a limiting plate 7, a rack bar 8, a motor 10, a stress plate 12 and a pressure sensor 16, wherein the top of the box body 1 is fixedly connected with an upper fixed rod 2, the inner wall of the upper fixed rod 2 is movably provided with a guide block 3, the bottom of the guide block 3 is fixedly connected with the upper surface of the movable door 4, the bottom of the movable door 4 is fixedly connected with a slide block 5, the slide block 5 is movably arranged on a lower fixed rod 6, the lower fixed rod 6 is fixedly arranged on the outer wall of the box body 1, the limiting plate 7 is fixedly arranged at the top of the guide block 3, the limiting plate 7 is attached to the top of the upper fixed rod 2, the rack bar 8 is fixedly arranged on the side wall of the limiting plate 7, the side of the rack bar 8 is provided with a power gear 9, the power gear 9 is fixedly connected to the output shaft of the motor 10, and the motor 10 is fixedly arranged on a fixed support 11, and the fixing bracket 11 is fixedly installed at the top of the cabinet 1.

The guide block 3 is a cross-shaped long strip-shaped structure, the guide block 3 and the upper fixing rod 2 form a clamping sliding structure, and the guide block 3, the movable door 4 and the sliding block 5 are symmetrically provided with 2 groups relative to the central line of the box body 1, so that the guide block 3 can move on the upper fixing rod 2.

The inner wall of the movable door 4 is movably provided with a stress board 12, the stress board 12 is arranged in parallel with the inner wall of the movable door 4, and the stress board 12 is arranged on the inner side of the box body 1, so that the stress board 12 can move on the movable door 4.

The limiting plate 7 and the rack bar 8 are symmetrically provided with 2 groups about the axis center of the power gear 9, and the rack bar 8 and the power gear 9 form a meshing transmission relationship, so that the power gear 9 can drive the limiting plate 7 to move.

The end part of atress board 12 and interior pole 13 is fixed connection, and interior pole 13 movable mounting is on the inner wall of urceolus 14, and fixedly connected with spring 15 between the inner wall of interior pole 13 and floating gate 4, and spring 15 sets up the inboard at urceolus 14, simultaneously urceolus 14 fixed mounting is on the inner wall of floating gate 4, interior pole 13, urceolus 14, spring 15 and pressure sensors 16 have 16 groups at floating gate 4 inboard equidistant distribution, and pressure sensors 16 and spring 15 coaxial arrangement, and pressure sensors 16 fixed mounting is on the inner wall of floating gate 4, constitute the buffer structure of device.

The working principle is as follows: when the anti-falling device for the car door of the car elevator is used, firstly, referring to fig. 1-3, when a user arrives at a specified floor, the motor 10 drives the power gear 9 to rotate clockwise, because the power gear 9 and the 2 toothed bars 8 form a meshing transmission relation, at the moment, the power gear 9 drives the 2 limiting plates 7 to be away from each other, the guide block 3 connected with the limiting plates 7 and the upper fixed rod 2 form a clamping sliding structure, the guide block 3 slides on the upper fixed rod 2, and the guide block 3 drives the movable door 4 and the sliding block 5 to synchronously move, so that the inner space of the box body 1 is opened;

referring to fig. 1 and 3-5, when the stress plate 12 is impacted by the outside, 16 groups of inner rods 13, outer cylinders 14, springs 15 and pressure sensors 16 are distributed at equal intervals on the inner side of the moving door 4, and the inner rods 13 and the outer cylinders 14 form a clamping sliding structure, at this time, the force on the stress plate 12 is distributed to the 16 inner rods 13, the inner rods 13 slide towards the inner parts of the outer cylinders 14, the springs 15 are compressed under the action of the inner rods 13, so that a buffering effect is achieved, when the impact force on the stress plate 12 is too large, the inner rods 13 are contacted with the pressure sensors 16, and at this time, the pressure sensors 16 send starting signals to an alarm device, so that maintenance personnel are reminded.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a car door dropout prevention means for car elevator, includes box (1), floating gate (4), limiting plate (7), ratch (8), motor (10), atress board (12) and pressure sensors (16), its characterized in that: the top of the box body (1) is fixedly connected with an upper fixed rod (2), the inner wall of the upper fixed rod (2) is movably provided with a guide block (3), the bottom of the guide block (3) is fixedly connected with the upper surface of a movable door (4), the bottom of the movable door (4) is fixedly connected with a sliding block (5), the sliding block (5) is movably arranged on a lower fixed rod (6), the lower fixed rod (6) is fixedly arranged on the outer wall of the box body (1), a limiting plate (7) is fixedly arranged at the top of the guide block (3), the limiting plate (7) is attached to the top of the upper fixed rod (2), a toothed bar (8) is fixedly arranged on the side wall of the limiting plate (7), the side of the toothed bar (8) is provided with a power gear (9), the power gear (9) is fixedly connected to an output shaft of a motor (10), and the motor (10) is fixedly arranged on a fixed support (11), and the fixed bracket (11) is fixedly arranged at the top of the box body (1).

2. The door drop preventing device for a car elevator according to claim 1, characterized in that: the guide block (3) is of a cross-shaped long-strip-shaped structure, the guide block (3) and the upper fixing rod (2) form a clamping sliding structure, and 2 groups of the guide block (3), the movable door (4) and the sliding block (5) are symmetrically arranged around the center line of the box body (1).

3. The door drop preventing device for a car elevator according to claim 1, characterized in that: the inner wall of the movable door (4) is movably provided with a stress plate (12), the stress plate (12) is arranged in parallel with the inner wall of the movable door (4), and the stress plate (12) is arranged on the inner side of the box body (1).

4. The door drop preventing device for a car elevator according to claim 1, characterized in that: the limiting plate (7) and the rack bar (8) are arranged in 2 groups in a central symmetry mode about the axis of the power gear (9), and the 2 rack bar (8) and the power gear (9) form a meshing transmission relation.

5. The door separation preventing device for a car elevator according to claim 3, wherein: the stress plate (12) is fixedly connected with the end part of the inner rod (13), the inner rod (13) is movably arranged on the inner wall of the outer barrel (14), a spring (15) is fixedly connected between the inner rod (13) and the inner wall of the movable door (4), the spring (15) is arranged on the inner side of the outer barrel (14), and meanwhile, the outer barrel (14) is fixedly arranged on the inner wall of the movable door (4).

6. The door separation preventing device for a car elevator according to claim 5, wherein: the inner rod (13), the outer cylinder (14), the spring (15) and the pressure sensor (16) are arranged on the inner side of the movable door (4) at equal intervals, 16 groups are arranged on the inner side of the movable door (4), the pressure sensor (16) and the spring (15) are coaxially arranged, and the pressure sensor (16) is fixedly arranged on the inner wall of the movable door (4).