Elevator door closing detection device

Abstract

The utility model relates to the technical field of elevators, in particular to an elevator door closing detection device, and aims to solve the problems that a small dog walking rope is difficult to sense, the dog walking rope is clamped between elevator doors, and personnel or animals are hurt. The elevator door closing detection device comprises a lift car and a detection mechanism, and a mounting frame is fixedly mounted on the right side face of the lift car. The infrared sensor is arranged to sense the range after the door body is opened, the door body can be controlled to be opened and closed, a pressure sensor can push a push strip to move through cooperation of an electric push rod, a sliding sleeve and a square rod, and therefore the push strip can move in a groove; the push strip can extrude the pressure sensor when a small rope exists, the pressure sensor can send a signal to the elevator controller after sensing pressure change, the elevator controller stops working of the elevator, and therefore safety accidents are prevented from occurring when the elevator moves up and down, and the safety of the elevator is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator technical field, concretely is a kind of elevator door closure detection device. BACKGROUND

[0002] Elevator is a kind of vertical transport equipment, usually used in high-rise building, can transport people or goods from one layer to another, the working principle of elevator is based on the combination of mechanical, electronic and electrical system, using motor to drive cable, belt or hydraulic system to move car up and down, elevator generally includes car, shaft, door, control system and other components.

[0003] At present, when elevator car door is closed, it is generally relied on the infrared sensor installed on car door to induct, however, in the process of actual use, the inductive range of infrared sensor is limited, thus it is difficult to induct relatively small dog leash, resulting in dog leash is clamped between elevator door, causing the phenomenon of personnel or animal injury.

[0004] Based on this, the utility model designs a kind of elevator door closure detection device to solve the problem. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of elevator door closure detection device to solve the problem that it is difficult to induct relatively small dog leash in the above background art, resulting in dog leash is clamped between elevator door, causing the problem of personnel or animal injury.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of elevator door closure detection device, including car and detection mechanism, the right side of the car is fixedly installed with mounting bracket, the left side of the mounting bracket is fixedly installed with drive motor, the output of the drive motor is fixedly installed with positive and negative screw rod, the outer surface of the positive and negative screw rod is threadedly connected with two threaded seats, the bottom surface of each threaded seat is fixedly installed with door body detection mechanism including two groups of installation seat installed on the front of two door bodies respectively, the front of each installation seat is fixedly installed with infrared sensor, the front of each door body is provided with a group of recess, the inner side wall of one group of recess is fixedly installed with electric push rod, the outer surface of each electric push rod is fixedly installed with square bar, the outer surface of each square bar is slidably connected with sliding sleeve, the back of each sliding sleeve is fixedly installed with the inner wall of one group of recess, the right end of each square bar is fixedly installed with pressure sensor, the right end of each pressure sensor is fixedly installed with push bar.

[0007] Preferably, the upper surface of each sliding sleeve and the bottom surface of sliding sleeve are fixedly installed with support plate, the right side of each support plate is provided with sliding hole, the inner wall of each sliding hole is slidably connected with slide rod, the right end of each group of slide rods is fixedly installed with the left side of one group of push bar.

[0008] Preferably, the upper surface of each sliding sleeve and the bottom surface of the sliding sleeve are fixedly installed with top plates, and the left ends of the two groups of top plates are fixedly installed with the right ends of the two groups of supporting plates.

[0009] Preferably, the thickness of each push strip is matched with the depth of the groove.

[0010] Preferably, the outer surface of the positive and reverse threaded rod is fixedly installed with two limiting rings, and the mutually faraway side surfaces of the two limiting rings are in contact with the mutually close side surfaces of the two threaded seats.

[0011] Preferably, the left end of the positive and reverse threaded rod is fixedly installed with a bearing seat, and the right side surface of the bearing seat is fixedly installed with the left side surface of the car.

[0012] Preferably, the front surface of the car is fixedly installed with a sliding rail, the inner wall of the sliding rail is slidingly connected with two sliding blocks, and the upper surfaces of the two sliding blocks are fixedly installed with the bottom surfaces of the two door bodies.

[0013] Compared with the prior art, the beneficial effects of the utility model are that: through the infrared sensor, the range can be sensed after the door body is opened, and the door body can be controlled to open and close, and through the cooperation of the electric push rod, the sliding sleeve and the square rod, the pressure sensor can drive the push strip to move, so that the push strip can move in the groove, the push strip can extrude the pressure sensor when there is a small rope, the pressure sensor can send a signal to the elevator controller after sensing the pressure change, the elevator controller stops the elevator from working, so that the safety accident of the elevator moving up and down is prevented, and the safety of the elevator is increased. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the three-dimensional structure schematic diagram of the side view of the utility model;

[0017] Figure 3 It is the three-dimensional structure schematic diagram of the side view of the door body of the utility model;

[0018] Figure 4 It is the three-dimensional structure schematic diagram of the detection mechanism of the utility model.

[0019] In the drawings, the components represented by the reference numbers are listed as follows:

[0020] 1, car; 101, mounting frame; 102, drive motor; 103, right and left threaded rod; 104, threaded seat; 105, door body; 2, detection mechanism; 201, mounting seat; 202, infrared sensor; 203, groove; 204, electric push rod; 205, sliding sleeve; 206, square rod; 207, push bar; 208, support plate; 209, sliding hole; 210, sliding rod; 211, top plate; 212, pressure sensor; 3, limiting ring; 4, bearing seat; 5, sliding rail; 501, sliding block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figure 1 The present application provides a technical solution: an elevator door closure detection device, comprising a car 1 and a detection mechanism 2, the right side surface of the car 1 is fixedly installed with a mounting frame 101, the left side surface of the mounting frame 101 is fixedly installed with a drive motor 102, the output end of the drive motor 102 is fixedly installed with a right and left threaded rod 103, the outer surface of the right and left threaded rod 103 is threadedly connected with two threaded seats 104, the bottom surface of each threaded seat 104 is fixedly installed with a door body 105, the detection mechanism 2 comprises two groups of mounting seats 201 installed on the front surfaces of the two door bodies 105 respectively, the front surface of each mounting seat 201 is fixedly installed with an infrared sensor 202, the front surface of each door body 105 is provided with a group of grooves 203, the inner side wall of one group of grooves 203 is fixedly installed with an electric push rod 204, the outer surface of each electric push rod 204 is fixedly installed with a square rod 206, the outer surface of each square rod 206 is slidingly connected with a sliding sleeve 205, the back surface of each sliding sleeve 205 is fixedly installed with the inner wall of one group of grooves 203, the right end of each square rod 206 is fixedly installed with a pressure sensor 212, the right end of each pressure sensor 212 is fixedly installed with a push bar 207.

[0023] Please refer to Figure 4The upper surface of each sliding sleeve 205 and the bottom surface of the sliding sleeve 205 are fixedly installed with a support plate 208, the right side surface of each support plate 208 is provided with a sliding hole 209, the inner wall of each sliding hole 209 is slidably connected with a sliding rod 210, and the right end of each group of sliding rods 210 is fixedly installed with the left side surface of a group of push strips 207. Through the cooperation of the support plate 208 and the sliding hole 209, the sliding rod 210 can move through the push strip 207, so that the push strip 207 moves more smoothly, and the push strip 207 is prevented from shaking.

[0024] Please refer to Figure 4 The upper surface of each sliding sleeve 205 and the bottom surface of the sliding sleeve 205 are fixedly installed with a support plate 208, the right side surface of each support plate 208 is provided with a sliding hole 209, the inner wall of each sliding hole 209 is slidably connected with a sliding rod 210, and the right end of each group of sliding rods 210 is fixedly installed with the left side surface of a group of push strips 207. Through the cooperation of the support plate 208 and the sliding hole 209, the sliding rod 210 can move through the push strip 207, so that the push strip 207 moves more smoothly, and the push strip 207 is prevented from shaking.

[0025] Please refer to Figure 3 The thickness of each push strip 207 is matched with the depth of the groove 203, and through the matching of the push strip 207 and the groove 203, the infrared sensor 202 can be more accurate during sensing, and interference with the detection of the infrared sensor 202 is prevented.

[0026] Please refer to Figure 1 The outer surface of the positive and negative threaded rod 103 is fixedly installed with two limiting rings 3, and the side surfaces of the two limiting rings 3 away from each other are in contact with the side surfaces of the two threaded seats 104 close to each other. Through the limiting ring 3, the threaded seat 104 can be limited, and then the collision of the two door bodies 105 is prevented.

[0027] Please refer to Figure 1 The left end of the positive and negative threaded rod 103 is fixedly installed with a bearing seat 4, and the right side surface of the bearing seat 4 is fixedly installed with the left side surface of the car 1. Through the bearing seat 4, the positive and negative threaded rod 103 can be reinforced, and the shaking of the positive and negative threaded rod 103 is prevented.

[0028] Please refer to Figure 1 The front surface of the car 1 is fixedly installed with a sliding rail 5, and the inner wall of the sliding rail 5 is slidably connected with two sliding blocks 501. The upper surfaces of the two sliding blocks 501 are fixedly installed with the bottom surfaces of the two door bodies 105. The sliding rail 5 and the sliding block 501 can be used to reinforce the device, increase the stability of the door body 105, and prevent the door body 105 from shaking.

[0029] The implementation principle of the elevator door closing detection device in the embodiment of the application is as follows: in use, the infrared sensor 202 is used to detect the door body 105, when no object or person is detected within a set time, the driving motor 102 is started to rotate the right and left threaded rod 103, the right and left threaded rod 103 controls the door body 105 to move through the two threaded seats 104, so that the door body 105 is closed, after the door body 105 is closed, the electric push rod 204 is started to move the square rod 206, the square rod 206 pushes the pressure sensor 212 to move, so that the push bar 207 moves through the gap between the two door bodies 105, when there is a small rope, the rope will block the movement of the push bar 207, so that the push bar 207 can transmit force to the pressure sensor 212, the pressure sensor 212 transmits a signal to the control system of the elevator, so that the control system opens the door body 105, when the pressure sensor 212 does not sense a pressure change, the electric push rod 204 controls the push bar 207 to reset, and transmits a signal to the control system of the elevator, so that the control system of the elevator starts the lifting system, so that the elevator can move up and down.

[0030] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. An elevator door closure detection device comprising a car (1) and a detection mechanism (2), characterized in that: The right side of the car (1) is fixedly installed with a mounting bracket (101), the left side of the mounting bracket (101) is fixedly installed with a driving motor (102), the output end of the driving motor (102) is fixedly installed with a right and left threaded rod (103), the outer surface of the right and left threaded rod (103) is threadedly connected with two threaded seats (104), and the bottom surface of each threaded seat (104) is fixedly installed with a door body (105) detection mechanism (2) includes two groups of mounting seats (201) installed on the front surfaces of the two door bodies (105) respectively, the front surface of each mounting seat (201) is fixedly installed with an infrared sensor (202), and the front surface of each door body (105) is provided with a group of grooves (203), the inner side walls of a group of the grooves (203) are fixedly installed with an electric push rod (204), the outer surface of each electric push rod (204) is fixedly installed with a square rod (206), the outer surface of each square rod (206) is slidably connected with a sliding sleeve (205), the back surface of each sliding sleeve (205) is fixedly installed with the inner wall of a group of grooves (203), the right end of each square rod (206) is fixedly installed with a pressure sensor (212), and the right end of each pressure sensor (212) is fixedly installed with a push bar (207).

2. An elevator door closure detection device according to claim 1, characterized in that: The upper surface and the bottom surface of each sliding sleeve (205) are fixedly installed with a supporting plate (208), the right side surface of each supporting plate (208) is provided with a sliding hole (209), the inner wall of each sliding hole (209) is slidably connected with a sliding rod (210), and the right ends of each group of sliding rods (210) are fixedly installed with the left side surfaces of a group of push bars (207) respectively.

3. An elevator door closure detection device according to claim 2, characterized in that: The upper surface and the bottom surface of each sliding sleeve (205) are fixedly installed with a top plate (211), and the left ends of the two groups of top plates (211) are fixedly installed with the right ends of the two groups of supporting plates (208) respectively.

4. The elevator door closure detection device of claim 1, wherein: The thickness of each push bar (207) is matched with the depth of the groove (203).

5. An elevator door closure detection apparatus as defined in claim 1, wherein: The outer surface of the right and left threaded rod (103) is fixedly installed with two limiting rings (3), and the side surfaces of the two limiting rings (3) away from each other are in contact with the side surfaces of the two threaded seats (104) close to each other respectively.

6. An elevator door closure detection apparatus as defined in claim 1, wherein: The left end of the right and left threaded rod (103) is fixedly installed with a bearing seat (4), and the right side surface of the bearing seat (4) is fixedly installed with the left side surface of the car (1).

7. An elevator door closure detection apparatus as defined in claim 1, wherein: The front surface of the car (1) is fixedly installed with a sliding rail (5), and the inner wall of the sliding rail (5) is slidably connected with two sliding blocks (501), and the upper surfaces of the two sliding blocks (501) are fixedly installed with the bottom surfaces of the two door bodies (105) respectively.

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