CN211141254U

CN211141254U - Hoistway door anti-pinch device

Info

Publication number: CN211141254U
Application number: CN201921406272.6U
Authority: CN
Inventors: 韩斗俊
Original assignee: Anhui Fuji Elevator Co ltd
Current assignee: Anhui Fuji Elevator Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-07-31
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses an anti-clamping device for elevator hoistway door, which adds an infrared sensor between the original first induction elevator door and the second induction elevator door, thus, as long as the obstacle is sensed between the first induction elevator door and the second induction elevator door, namely, the infrared sensor transmits signals to a microcontroller based on the prior art, the first induction elevator door and the second induction elevator door are controlled to stop closing and start to open a switch, so that the first induction elevator door and the second induction elevator door are opened, in addition, the clamping of a clamping block and a clamping groove is adopted, in the process of closing the first induction elevator door and the second induction elevator door, the clamping block is gradually clamped into the clamping groove to extrude a movable plate, the process of clamping the clamping block into the clamping groove is slowed down by the elasticity of a buffer spring, if the infrared sensor fails, the time for a user to take out fingers can be reserved, the anti-pinch of the first induction elevator door and the second induction elevator door is further realized.

Description

Hoistway door anti-pinch device

Technical Field

The utility model relates to a relevant field of elevator specifically is a hoistway door anti-pinch device.

Background

Elevators are commonly used on specific floors of a building to enable the transport of goods or people, and include stepped, vertically-elevating elevators, etc. The vertical elevator is provided with a car which runs between at least two rows of vertical rigid guide rails or rigid guide rails with an inclination angle smaller than 15 degrees, the car is a box-shaped space for bearing and transporting personnel and materials, and an induction elevator door can be installed in the structure of the car to realize the basic function of the elevator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator room door anti-pinch device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-pinch device for elevator doors comprises a first induction elevator door and a second induction elevator door which are arranged oppositely, the tops of the opposite inner sides of the first induction elevator door and the second induction elevator door are both provided with rectangular grooves, the top parts of the first induction elevator door and the second induction elevator door are provided with installation top plates, the bottom parts of the installation top plates are fixedly connected with installation top frames, the bottom of the mounting top frame is provided with a plurality of infrared sensors, the inner side wall of the first induction elevator door is provided with a clamping groove, the top and the bottom of the inner wall of the clamping groove are respectively provided with a sliding groove, the inner parts of the two sliding grooves are respectively provided with a sliding block, a movable plate is fixedly connected between the two sliding blocks, the inner side of the moving plate is fixedly connected with a buffer spring, and the corresponding positions of the second induction elevator door and the clamping groove are fixedly connected with a clamping block.

Preferably, the first induction elevator door and the second induction elevator door are correspondingly provided with an induction switch and a mobile driving device, and the induction switch is electrically connected with the microcontroller.

Preferably, the length of the mounting top frame is equal to the length of the two rectangular grooves, and the mounting top frame is clamped into the two rectangular grooves and slides on the inner walls of the rectangular grooves.

Preferably, the infrared sensor is electrically connected with the microcontroller, and the sensing length of the infrared sensor is the length of the first sensing elevator door or the second sensing elevator door.

Preferably, the sliding groove is in sliding connection with the sliding block, and one side, far away from the moving plate, of the buffer spring is fixed to one side of the inner wall of the clamping groove.

Preferably, the fixture block is clamped into the clamping groove, the infrared sensor is also positioned in the clamping groove, and round corners are arranged on the top and one side of the bottom of the fixture block.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model adds the infrared sensor between the first induction elevator door and the second induction elevator door, so that the first induction elevator door and the second induction elevator door can be opened only by sensing the obstacle between the first induction elevator door and the second induction elevator door, namely the infrared sensor transmits the signal to the microcontroller based on the prior art to control the first induction elevator door and the second induction elevator door to stop closing and start the opening and closing, in addition, the clamping of the clamping block and the clamping groove is adopted, in the closing process of the first induction elevator door and the second induction elevator door, the clamping block is gradually clamped into the clamping groove to extrude the movable plate, the elastic force of the buffer spring slows down the process of clamping the clamping block into the clamping groove, if the infrared sensor breaks down, the time for the user to draw fingers can be reserved, and the clamping prevention of the first induction elevator door and the second induction elevator door can be further realized, in addition, the top of fixture block all is equipped with the fillet with one side of bottom, places the edge that collides the fixture block when passing in and out the elevator and leads to being injured.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is a schematic structural view of the installation top frame of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is an enlarged structural diagram of a in fig. 3.

In the figure: 1. a first induction elevator door; 2. a second induction elevator door; 3. a rectangular groove; 4. installing a top plate; 5. mounting a top frame; 6. an infrared sensor; 7. a card slot; 8. a chute; 9. moving the plate; 10. a buffer spring; 11. and (7) clamping 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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a hoistway door anti-pinch device, including first response lift-cabin door 1 and second response lift-cabin door 2, first response lift-cabin door 1 and second response lift-cabin door 2 are relative and establish, rectangular channel 3 has all been seted up at the relative inboard top of first response lift-cabin door 1 and second response lift-cabin door 2, the top of first response lift-cabin door 1 and second response lift-cabin door 2 is equipped with installation roof 4, the bottom fixedly connected with installation roof-rack 5 of installation roof 4, a plurality of infrared sensor 6 are installed to the bottom of installation roof-rack 5, draw-in groove 7 has been seted up on the inside wall of first response lift-cabin door 1, the top and the bottom of draw-in groove 7 inner wall all are equipped with spout 8, the inside of two spout 8 all is equipped with the slider, fixedly connected with movable plate 9 between two sliders, the inboard fixedly connected with buffer spring 10 of movable plate 9, the corresponding position.

Further, the first induction elevator door 1 and the second induction elevator door 2 are correspondingly provided with an induction switch and a mobile driving device, the induction switch is electrically connected with the microcontroller, the length of the installation top frame 5 is equal to the length of the two rectangular grooves 3, the installation top frame 5 is clamped into the two rectangular grooves 3 and slides on the inner walls of the rectangular grooves 3, the infrared sensor 6 is electrically connected with the microcontroller, the induction length of the infrared sensor 6 is equal to the length of the first induction elevator door 1 or the second induction elevator door 2, the sliding groove 8 is in sliding connection with the sliding block, one side, far away from the movable plate 9, of the buffer spring 10 is fixed on one side of the inner wall of the clamping groove 7, the clamping block 11 is clamped into the clamping groove 7, the infrared sensor 6 is also positioned in the clamping groove 7, and the top and one side of the bottom of.

The working principle is as follows: when the elevator is installed, the installation top plate 4 is installed at the bottom of the inner wall of the elevator installation groove based on the prior art, the installation top frame 5 with the infrared sensor 6 is installed at the bottom of the installation top plate 4, then the first induction elevator door 1 and the second induction elevator door 2 are respectively installed according to the traditional technology, when the elevator is used, the first induction elevator door 1 and the second induction elevator door 2 are controlled to be opened and closed according to the traditional mode, if an obstacle is positioned between the first induction elevator door 1 and the second induction elevator door 2, the obstacle is sensed by the infrared sensor 6, at this time, the infrared sensor 6 transmits a sensed pulse signal to the microcontroller, the microcontroller controls the closing switch of the induction switch to stop working, the opening switch of the induction switch works, the two first induction elevator doors 1 and the second induction elevator doors 2 are opened, and in the process of closing the first induction elevator door 1 and the second induction elevator door 2, the clamping block 11 is gradually clamped into the clamping groove 7 to extrude the moving plate 9, and at this time, the elastic force of the buffer spring 10 slows down the process that the clamping block 11 is clamped into the clamping groove 7, and it is worth noting that the first induction elevator door 1 and the second induction elevator door 2 are correspondingly provided with the induction switch and the mobile driving device, and the microcontroller also belongs to the prior art, and specific structural and electrical connection relations thereof are not described again.

The utility model adds the infrared sensor 6 between the original first induction elevator door 1 and the second induction elevator door 2, so as long as sensing the barrier between the first induction elevator door 1 and the second induction elevator door 2, that is, the infrared sensor 6 transmits the signal to the microcontroller based on the prior art, controlling the first induction elevator door 1 and the second induction elevator door 2 to stop closing and start to open the switch, so that the first induction elevator door 1 and the second induction elevator door 2 are opened, in addition, adopting the block of the block 11 and the slot 7, in the process of closing the first induction elevator door 1 and the second induction elevator door 2, the block 11 is gradually blocked into the slot 7 to extrude the movable plate 9, at the moment, the elastic force of the buffer spring 10 slows down the process of blocking the block 11 into the slot 7, if the infrared sensor 6 breaks down, the time for the user to take out the finger can be reserved, further realize that first response lift-cabin door 1 and second response lift-cabin door 2 prevent pressing from both sides, in addition, the top of fixture block 11 all is equipped with the fillet with one side of bottom, places the edge that collides fixture block 11 when passing in and out the elevator and leads to being injured.

Claims

1. The utility model provides a hoistway door anti-pinch device which characterized in that: comprises a first induction elevator door (1) and a second induction elevator door (2), wherein the first induction elevator door (1) and the second induction elevator door (2) are arranged oppositely, the tops of the opposite inner sides of the first induction elevator door (1) and the second induction elevator door (2) are respectively provided with a rectangular groove (3), the tops of the first induction elevator door (1) and the second induction elevator door (2) are respectively provided with an installation top plate (4), the bottom of the installation top plate (4) is fixedly connected with an installation top frame (5), the bottom of the installation top frame (5) is provided with a plurality of infrared sensors (6), the inner side wall of the first induction elevator door (1) is provided with a clamping groove (7), the top and the bottom of the inner wall of the clamping groove (7) are respectively provided with a sliding groove (8), the insides of the two sliding grooves (8) are respectively provided with a sliding block, and a movable plate (9) is fixedly, the inner side of the moving plate (9) is fixedly connected with a buffer spring (10), and the corresponding positions of the second induction elevator door (2) and the clamping groove (7) are fixedly connected with a clamping block (11).

2. The hoistway door anti-pinch device of claim 1, wherein: the first induction elevator door (1) and the second induction elevator door (2) are correspondingly provided with induction switches and a mobile driving device, and the induction switches are electrically connected with the microcontroller.

3. The hoistway door anti-pinch device of claim 1, wherein: the length of installation roof-rack (5) equals the length of two rectangular channel (3), installation roof-rack (5) block slides mutually to the inner wall department of two rectangular channel (3) in to two rectangular channel (3).

4. The hoistway door anti-pinch device of claim 2, wherein: the infrared sensor (6) is electrically connected with the microcontroller, and the sensing length of the infrared sensor (6) is the length of the first sensing elevator door (1) or the second sensing elevator door (2).

5. The hoistway door anti-pinch device of claim 1, wherein: the sliding groove (8) is in sliding connection with the sliding block, and one side, far away from the moving plate (9), of the buffer spring (10) is fixed to one side of the inner wall of the clamping groove (7).

6. The hoistway door anti-pinch device of claim 1, wherein: the fixture block (11) is clamped into the clamping groove (7), the infrared sensor (6) is also arranged in the clamping groove (7), and round corners are arranged on the top and one side of the bottom of the fixture block (11).