CN217808200U

CN217808200U - Prevent tong lift-cabin door protection device

Info

Publication number: CN217808200U
Application number: CN202221911987.9U
Authority: CN
Inventors: 陈一帆; 孙伟伟; 黄飞
Original assignee: Jiangsu Hailing Electromechanical Equipment Engineering Co ltd
Current assignee: Jiangsu Hailing Electromechanical Equipment Engineering Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-15
Anticipated expiration: 2032-07-21

Abstract

The application discloses prevent tong lift-cabin door protection device belongs to elevator technical field, including the car, car sliding connection has the first door body and the second door body that the symmetry set up, the holding tank has been seted up to one side that the first door body is close to the second door body, the first door body is located holding tank sliding connection has the gangbar, be equipped with link gear between gangbar and the car, one side sliding connection that the gangbar is close to the second door body has the pin, one side that the gangbar is close to the pin is equipped with control button. This prevent tong lift-cabin door protection device, through setting up the control button who is located gangbar and is close to pin one side, the lift-cabin door can stop closing immediately when this control button is pressed, has realized can triggering control button and make the lift-cabin door stop closing when the pin is supported to press and is close to the gangbar to press from both sides the wounded hand when avoiding the lift-cabin door to close as far as possible, be equipped with link gear between gangbar and the car, make the lift-cabin door just can stretch out with the gangbar when closing.

Description

Prevent tong lift-cabin door protection device

Technical Field

The application relates to the technical field of elevators, in particular to a hand-clamping prevention elevator door protection device.

Background

An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which travel in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical. The vertical lift elevator has a car sized and configured to facilitate the ingress and egress of passengers or the loading and unloading of cargo. It is customary to use elevators as a generic term for vertical transport means in buildings, irrespective of their drive mode. The elevator realizes the lifting movement of the car and the counterweight by means of the traction force generated by the friction between the traction rope and the traction sheave, thereby achieving the purpose of transportation.

The existing elevator generally depends on the laser emitter and the laser receiver which are arranged on two elevator doors and are opposite to each other to judge whether shielding exists or not, when the elevator is closed, if laser is blocked, the elevator stops closing the door to avoid clamping hands of people, certain error exists in the process of judging whether clamping hands are prevented through the laser, and the safety accident can be caused because the hands of people cannot be identified to be shielded when being in a gap between the two lasers.

Therefore, the elevator door protection device capable of preventing hands from being pinched is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an aim at in order to solve prior art, discernment when the elevator closes the door shelters from accuracy inadequately, can cause the problem of incident, and the protection device of prevent tong lift-cabin door that provides.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a protection device for an elevator door capable of preventing hands from being clamped comprises a car, wherein the car is connected with a first door body and a second door body which are symmetrically arranged in a sliding manner, an accommodating groove is formed in one side, close to the second door body, of the first door body, the first door body is positioned in the accommodating groove and is connected with a linkage rod in a sliding manner, a linkage mechanism is arranged between the linkage rod and the car, a stop rod is connected to one side, close to the second door body, of the linkage rod in a sliding manner, and a control button is fixedly connected to one side, close to the stop rod, of the linkage rod;

two rack difference fixed connection is in car upper end and gangbar upper end, is located the car the rack is located the position that is close to car central line, the first door body is located the gangbar upper end and has seted up and accomodate the groove, the gear is located and accomodates the inslot and is connected with the rotation of the first door body, gear and two rack intermeshing.

Through the racks which are arranged oppositely and the gear meshed between the two racks, when the two racks are both meshed with the gear, one of the racks moves relative to the gear to drive the other rack to move simultaneously, and the moving directions of the two racks relative to the gear are opposite. Through the arrangement of the button located on one side, close to the blocking rod, of the linkage rod, the control button can be triggered to enable the elevator door to stop closing when the blocking rod is pressed to be close to the linkage rod, so that the phenomenon that hands are injured by clamping when the elevator door is closed is avoided as much as possible, and the gear rack is arranged between the linkage rod and the car, so that the blocking rod and the linkage rod can stretch out when the elevator door is closed, and passengers getting on and off when the elevator door is completely opened can not be influenced.

Preferably, the chutes are formed in the upper end and the lower end of the car, the chutes are located on one side close to the first door body, the first door body and the second door body are located in the chutes, and the sliders are connected with the car in a sliding mode.

Through setting up spout and slider, realized that first door body and second door body can slide along the spout.

Preferably, the linkage rod is a U-shaped rod, and the cross section of the accommodating groove is U-shaped.

Through the linkage rod and the containing groove which are provided with the U-shaped linkage rod, the linkage rod can not be separated from the containing groove, and the linkage rod is limited.

Preferably, one side of the linkage rod, which is close to the stop lever, is provided with a limit groove, the stop lever is located in the limit groove and is fixedly connected with the limit lever, the cross sections of the limit groove and the limit lever are both T-shaped, and the limit lever is connected with the linkage rod in a sliding manner.

Through the limiting groove and the limiting rod which are arranged in the T shape, the stop lever is limited through the limiting rod.

Preferably, the linkage rod is positioned in the limit groove and is internally provided with a return spring, and two ends of the return spring are respectively fixedly connected with the limit rod and the linkage rod.

Through setting up reset spring, realized that reset spring can drive the pin and reset, made the pin not contact with control button when not supported and press.

Preferably, a strip-shaped groove is formed in one side, close to the first door body, of the second door body.

Through setting up the bar groove, realized closing back gangbar and pin and be located the bar inslot.

Preferably, the second door body is positioned in the strip-shaped groove and fixedly connected with a plurality of starting buttons.

Through setting up the start button, realized just can start when first door body and second door body close.

In conclusion, the anti-pinch elevator door protection device has the advantages that the control button is arranged on one side, close to the blocking rod, of the linkage rod, the elevator door can be immediately stopped to be closed when the control button is pressed, the control button can be triggered to stop the elevator door to be closed when the blocking rod is pressed to be close to the linkage rod, so that the phenomenon that hands are pinched when the elevator door is closed is avoided as much as possible, the linkage mechanism is arranged between the linkage rod and the elevator car, the blocking rod and the linkage rod can extend out when the elevator door is closed, and passengers getting on and off when the elevator door is completely opened can not be influenced.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a front cross-sectional view of the present application;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is a top cross-sectional view of the present application.

Description of reference numerals:

1. a car; 2. a first door body; 3. a second door body; 4. accommodating a tank; 5. a linkage rod; 6. a stop lever; 7. a control button; 8. a rack; 9. a gear; 10. a receiving groove; 11. a chute; 12. a slider; 13. a limiting groove; 14. a limiting rod; 15. a return spring; 16. a strip-shaped groove; 17. the button is actuated.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments.

Referring to fig. 1, a prevent tong lift-cabin door protection device, including

car

1, 1 sliding connection of car has first door body 2 and the second door body 3 that the symmetry set up, the spout 11 that the level set up is all seted up at both ends about 1 car, spout 11 is located the one side of being close to first door body 2, spout 11 is on a parallel with the car 1 inner wall of keeping away from first door body 2, first door body 2 and second door body 3 are located equal fixedly connected with slider 12 in spout 11,

slider

12 and 1 sliding connection of car, restrict first door body 2 and second door body 3 through slider 12, make it slide along spout 11, when first door body 2 and second door body 3 are close to, the elevator is closed.

Referring to fig. 1, fig. 2, fig. 3, holding tank 4 has been seted up to one side that first door body 2 is close to second door body 3, holding tank 4 cross-section is the U-shaped, first door body 2 is located holding tank 4 sliding connection has linkage rod 5, linkage rod 5 can be in holding tank 4 horizontal slip to be close to or keep away from second door body 3, linkage rod 5 is the U-shaped pole, holding tank 4 and linkage rod 5 for the U-shaped together, make holding tank 4 carry on spacingly to linkage rod 5, make linkage rod 5 can not break away from in holding tank 4.

One side of the linkage rod 5 close to the second door body 3 is slidably connected with a stop rod 6, the stop rod 6 is slidably connected with two ends of the linkage rod 5, the stop rod 6 is vertically arranged, the length of the stop rod is the same as the height of the first door body 2, one side of the linkage rod 5 close to the stop rod 6 is provided with a limiting groove 13, the limiting groove 13 is horizontally arranged and faces the second door body 3, the stop rod 6 is located in the limiting groove 13 and is fixedly connected with a limiting rod 14, and the limiting rod 14 is slidably connected with the linkage rod 5. The cross sections of the limiting groove 13 and the limiting rod 14 are both T-shaped, and the T-shaped limiting rod 14 enables the limiting rod 14 not to be separated from the limiting groove 13 when sliding left and right in the limiting groove 13, so that the stop lever 6 is limited.

One side of the linkage rod 5 close to the blocking rod 6 is fixedly connected with a control button 7, the control button 7 is used for controlling the closing of the elevator door, and when the blocking rod 6 is pressed, the blocking rod can move towards the linkage rod 5 relative to the first door body 2, so that the control button 7 is pressed, the elevator door stops closing at the moment, and clamping injury is prevented as much as possible.

The linkage rod 5 is located in the limiting groove 13 and is provided with a reset spring 15, the reset spring 15 is horizontally arranged, two ends of the reset spring 15 are fixedly connected with the limiting rod 14 and the linkage rod 5 respectively, and the reset spring 15 provides elasticity for the limiting rod 14, so that the stop rod 6 cannot contact with the control button 7 when not pressed.

Referring to fig. 2 and 3, a linkage mechanism is arranged between the linkage rod 5 and the car 1, the linkage mechanism comprises two racks 8 which are arranged oppositely, the two racks 8 are respectively and fixedly connected to the upper end of the car 1 and the upper end of the linkage rod 5, the first door body 2 is positioned at the upper end of the linkage rod 5 and is provided with a containing groove 10, the first door body 2 is positioned in the containing groove 10 and is rotatably connected with a gear 9, and the gear 9 is meshed with the two racks 8. When one of the racks 8 moves relative to the gear 9, the gear 9 is driven to rotate, so that the other rack 8 is driven to move relative to the gear 9.

Therefore, when the elevator door is opened, the rack 8 on the elevator car 1 moves relative to the gear 9 away from the first door body 2, so that the gear 9 is driven to drive the rack 8 on the linkage rod 5 to move close to the first door body 2, and the linkage rod 5 is driven to be retracted into the accommodating groove 4; on the contrary, when the elevator door is closed, the gear 9 drives the rack 8 on the linkage rod 5 to move towards the second door body 3, so that the linkage rod 5 and the stop rod 6 extend out. The rack 8 on the cage 1 is positioned close to the center line of the cage 1, so that the extension and retraction of the linkage rod 5 only occur when the cage door is about to be completely closed and just opened, and the linkage rod 5 prevents passengers from getting on or off the cage when the cage door is completely opened as much as possible.

Referring to fig. 2 and 4, a strip-shaped groove 16 is formed in one side of the second door body 3 close to the first door body 2, and when the elevator door is completely closed, the linkage rod 5 and the stop rod 6 extend into the strip-shaped groove 16 to be accommodated. The second door body 3 is located a plurality of start button 17 of fixedly connected with in the bar groove 16, and start button 17 is used for controlling the elevator and starts, when start button 17 all is pressed. Only when the elevator door is completely closed, the stop lever 6 can press the starting button 17, and the elevator can be started, so that the damage caused by the fact that the elevator is still started when the elevator door is not completely closed is effectively avoided.

The working principle is as follows: when the elevator door is about to be closed, the gear 9 is meshed with the rack 8 above the elevator car 1, so that the gear 9 is driven to rotate, the rack 8 on the linkage rod 5 is driven to move towards the second door body 3, the linkage rod 5 moves towards the second door body 3 along with the linkage rod to push out the blocking rod 6, the blocking rod 6 is located on the outer side, close to the second door body 3, of the first door body 2, if a shielding object exists between the first door body 2 and the second door body 3, the blocking rod 6 can be pressed against the blocking rod 6, the blocking rod 6 is close to the linkage rod 5, the control button 7 fixedly connected to the linkage rod 5 is pressed, the elevator door is stopped to be closed, and the probability that hands are injured by clamping when the elevator door is closed is effectively reduced.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present application, and equivalent alternatives or modifications according to the technical solutions and the application concepts of the present application, which are within the technical scope of the present application.

Claims

1. The utility model provides a prevent tong lift-cabin door protection device, includes car (1), its characterized in that: the elevator car is characterized in that the car (1) is in sliding connection with a first door body (2) and a second door body (3) which are symmetrically arranged, one side, close to the second door body (3), of the first door body (2) is provided with a containing groove (4), the first door body (2) is located in the containing groove (4) and is in sliding connection with a linkage rod (5), a linkage mechanism is arranged between the linkage rod (5) and the car (1), one side, close to the second door body (3), of the linkage rod (5) is in sliding connection with a stop rod (6), and one side, close to the stop rod (6), of the linkage rod (5) is fixedly connected with a control button (7);

link gear includes rack (8) of two relative settings, two rack (8) fixed connection respectively is in car (1) upper end and gangbar (5) upper end, is located car (1) rack (8) are located the position that is close to car (1) central line, the first door body (2) are located gangbar (5) upper end and have seted up and have accomodate groove (10), the first door body (2) are located and accomodate groove (10) internal rotation and are connected with gear (9), gear (9) and two rack (8) intermeshing.

2. The elevator door protection device against pinch as claimed in claim 1, wherein: both ends have all seted up spout (11) about car (1), spout (11) are located the one side that is close to the first door body (2), the first door body (2) and the second door body (3) are located equal fixedly connected with slider (12) in spout (11), slider (12) and car (1) sliding connection.

3. The elevator door protection device against pinch as claimed in claim 1, wherein: the linkage rod (5) is a U-shaped rod, and the cross section of the accommodating groove (4) is U-shaped.

4. The elevator door protection device against pinch as claimed in claim 3, wherein: spacing groove (13) have been seted up to one side that gangbar (5) are close to pin (6), pin (6) are located fixedly connected with gag lever post (14) in spacing groove (13), gag lever post (13) and gag lever post (14) cross-section are T shape, gag lever post (14) and gangbar (5) sliding connection.

5. The elevator door protection device against pinch as claimed in claim 4, wherein: the linkage rod (5) is positioned in the limiting groove (13) and is internally provided with a return spring (15), and two ends of the return spring (15) are respectively fixedly connected with the limiting rod (14) and the linkage rod (5).

6. The elevator door protection device against pinch as claimed in claim 1, wherein: and a strip-shaped groove (16) is formed in one side, close to the first door body (2), of the second door body (3).

7. The elevator door protection device against pinch as claimed in claim 6, wherein: the second door body (3) is positioned in the strip-shaped groove (16) and is fixedly connected with a plurality of starting buttons (17).