CN216686992U

CN216686992U - U-shaped photoelectric switch for elevator

Info

Publication number: CN216686992U
Application number: CN202122987747.9U
Authority: CN
Inventors: 谢春风; 曹庆海
Original assignee: Jilin Bofeng Electromechanical Equipment Co ltd
Current assignee: Jilin Bofeng Electromechanical Equipment Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-06-07
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a U-shaped photoelectric switch for an elevator, which comprises a shell, wherein the shell is of an inverted U-shaped structure, grooves are embedded in two opposite side walls of the shell, an infrared transmitter and an infrared receiver are respectively arranged in two groups of grooves, an infrared transmitting tube is arranged on the infrared transmitter, an infrared receiving tube is arranged on the infrared receiver, an installation notch is formed in the port of each groove, a light-transmitting plate is arranged in each installation notch, and a dustproof dismounting assembly is arranged between each light-transmitting plate and each installation notch. The utility model belongs to the technical field of elevators, and particularly relates to a U-shaped photoelectric switch for an elevator, which has a certain protection and dustproof effect on an infrared transmitting tube and an infrared receiving tube and is convenient to disassemble and assemble for cleaning and maintenance.

Description

U-shaped photoelectric switch for elevator

Technical Field

The utility model belongs to the technical field of elevators, and particularly relates to a U-shaped photoelectric switch for an elevator.

Background

Photoelectric switch is a detection device who comprises infrared emission component and photosensitive receiving element, photoelectric switch on the existing market is of a great variety, various photoelectric switch use is in each field, wherein photoelectric switch is used for the flat bed of elevator spacing in the elevator, installed at elevator car top, every floor all has the light screen that shelters from spacing photoelectric switch light path, when elevator car reachs the settlement floor, the light screen shelters from spacing photoelectric switch light path, photoelectric switch output signal gives elevator control system, make accurate the stopping at this floor of elevator car. The photoelectric switch for elevator is a U-shaped photoelectric switch, i.e. a slot-type correlation photoelectric switch, which is an infrared sensing photoelectric product and is composed of an infrared transmitting tube and an infrared receiving tube. The infrared emitter and the infrared receiver are respectively positioned on two sides of the U-shaped groove and form an optical axis, and when an object to be detected passes through the U-shaped groove and blocks the optical axis, the photoelectric switch generates a detected switch signal. The defects of the prior art are as follows: the infrared transmitting tube and the infrared receiving tube can accumulate dust after being used for a long time, photoelectric induction can be influenced, dust needs to be detached and cleaned in the prior art, the working intensity is high, the detaching difficulty is very high, and in addition, repeated detaching and installing can also lead to screw sliding. Therefore, the utility model provides the U-shaped photoelectric switch for the elevator, which has certain protection and dust prevention effects on the infrared transmitting tube and the infrared receiving tube and is convenient to disassemble and assemble for cleaning and maintenance.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides the U-shaped photoelectric switch for the elevator, which has certain protection and dustproof effects on the infrared transmitting tube and the infrared receiving tube and is convenient to disassemble and assemble for cleaning and maintenance.

In order to realize the functions, the technical scheme adopted by the utility model is as follows: a U-shaped photoelectric switch for an elevator comprises a shell, wherein the shell is of an inverted U-shaped structure, grooves are embedded in two opposite side walls of the shell, infrared transmitters and infrared receivers are respectively arranged in two groups of grooves, infrared transmitting tubes are arranged on the infrared transmitters, infrared receiving tubes are arranged on the infrared receivers, mounting notches are formed in the port of each groove, a light-passing plate is mounted in each mounting notch, the light-passing plate does not affect infrared transmitting and receiving, meanwhile, the infrared transmitting tubes and the infrared receiving tubes are protected from dust, a dustproof dismounting assembly is arranged between the light-passing plate and the mounting notches, the light-passing plate is convenient to dismount and mount, and the infrared transmitting tubes and the infrared receiving tubes in the grooves can be conveniently cleaned and overhauled under the dustproof effect; the dustproof dismounting assembly comprises inserting rods and inserting grooves, the inserting grooves are embedded in the inner side wall of the mounting groove, limiting grooves are embedded in the top wall and the bottom wall of the mounting groove, the inserting rods movably penetrate through the light-transmitting plate, the inserting rods are arranged in two groups by taking the horizontal central line of the light-transmitting plate as a symmetry axis, cavities are formed in the inserting rods, movable inserting blocks are arranged in the cavities, the movable inserting blocks are arranged in two groups by taking the horizontal central line of the cavities as a symmetry axis, the end parts of the movable inserting blocks move to penetrate through the wall of the cavities, connecting springs are arranged at the connecting parts of the two groups of movable inserting blocks, control rods are arranged on the side walls of the movable inserting blocks, the control rods movably penetrate through the side walls of the cavities and the inserting rods, the light-transmitting plate is mounted, the control rods are oppositely pressed, the two groups of movable inserting blocks extrude the connecting springs to be arranged at the mounting groove of the light-transmitting plate, and then the inserting rods are moved into the inserting grooves, the control rod is loosened, and the two groups of movable inserting blocks are inserted into the limiting grooves under the reset elastic force of the connecting springs, so that the light-transmitting plates are installed.

Preferably, the shell is provided with a connecting block, and the connecting block is provided with a connecting wire.

Preferably, the light-passing board is arranged in a convex structure, and the mounting notches are arranged in a convex structure.

As a preferred technical scheme of the utility model, the end part of the movable insertion block is arranged in a circular arc structure, and the limiting groove is arranged in a circular arc structure.

The utility model adopts the structure to obtain the following beneficial effects: according to the U-shaped photoelectric switch for the elevator, the light-transmitting plate is arranged, the light-transmitting plate does not influence infrared emission and infrared receiving, meanwhile, the infrared emission tube and the infrared receiving tube are protected from dust, the light-transmitting plate is installed through the arrangement of the dust-proof assembling and disassembling component, the control rods are pressed oppositely, the two groups of movable insertion blocks extrude the connecting springs, the light-transmitting plate is arranged at the opening of the installing groove, then the insertion rods are moved into the inserting grooves, the control rods are loosened, the two groups of movable insertion blocks are inserted into the limiting grooves under the reset elastic force of the connecting springs, the installation of the light-transmitting plate is achieved, and the infrared emission tube and the infrared receiving tube in the grooves can be cleaned and maintained conveniently through the assembling and disassembling of the light-transmitting plate.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a U-shaped photoelectric switch for an elevator according to the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

Wherein, 1, shell, 2, recess, 3, infra-red transmitter, 4, infrared receiver, 5, infrared transmitting tube, 6, infrared receiving tube, 7, installation notch, 8, light-passing board, 9, dustproof dismouting subassembly, 10, inserted bar, 11, slot, 12, spacing groove, 13, cavity, 14, removal inserted block, 15, coupling spring, 16, control lever, 17, connecting block, 18, connecting wire.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, the U-shaped photoelectric switch for the elevator provided by the utility model comprises a housing 1, wherein the housing 1 is arranged in an inverted U-shaped structure, a connecting block 17 is arranged on the housing, a connecting wire 18 is arranged on the connecting block 17, grooves 2 are embedded on two opposite side walls of the housing 1, an infrared emitter 3 and an infrared receiver 4 are respectively arranged in the two groups of grooves 2, an infrared emitting tube 5 is arranged on the infrared emitter 3, an infrared receiving tube 6 is arranged on the infrared receiver 4, an installation notch 7 is arranged at the port of the groove 2, the installation notch 7 is arranged in a convex structure, a light-transmitting plate 8 is arranged in the installation notch 7, the light-transmitting plate 8 is arranged in a convex structure, and a dustproof dismounting component 9 is arranged between the light-transmitting plate 8 and the installation notch 7; dustproof dismouting subassembly 9 includes inserted bar 10 and slot 11, slot 11 inlays and locates on 7 inside walls of installation notch, all inlay on 7 roof of installation notch and the diapire and be equipped with spacing groove 12, spacing groove 12 is the setting of arc structure, inserted bar 10 removes and runs through the setting of light-passing board 8, inserted bar 10 uses the horizontal central line of light-passing board 8 to set up two sets of as the symmetry axis, be equipped with cavity 13 in the inserted bar 10, be equipped with removal inserted block 14 in the cavity 13, it uses the horizontal central line of cavity 13 to set up two sets of as the symmetry axis to remove inserted block 14, it is the setting of arc structure to remove the 14 tip of inserted block, the wall setting that the cavity 13 was run through in the removal of 14 tip of inserted block, the junction of two sets of removal inserted block 14 is equipped with coupling spring 15, be equipped with control lever 16 on the removal inserted block 14 lateral wall, control lever 16 removes and runs through cavity 13 lateral wall and the setting of inserted bar 10.

During the specific use, installation light-passing board 8 carries out dustproof protection to infrared transmitting tube 5 and infrared receiving tube 6 in the recess 2, presses the control lever 16 in opposite directions, and two sets of 14 extrusion connecting springs 15 of removal inserted block settle light-passing board 8 in installation notch 7 department, then moves in slot 11 with inserted bar 10, unclamps control lever 16, and two sets of removal inserted block 14 receive connecting spring 15's elasticity that resets and insert spacing groove 12 in, realize light-passing board 8's installation.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a U type photoelectric switch for elevator which characterized in that: the infrared radiation protection device comprises a shell, wherein the shell is of an inverted U-shaped structure, grooves are embedded in two opposite side walls of the shell, infrared transmitters and infrared receivers are respectively arranged in two groups of grooves, infrared transmitting tubes are arranged on the infrared transmitters, infrared receiving tubes are arranged on the infrared receivers, mounting notches are formed in the port of each groove, a light-passing plate is mounted in each mounting notch, and a dustproof dismounting assembly is arranged between each light-passing plate and each mounting notch; the dustproof dismounting assembly comprises an inserting rod and an inserting groove, the inserting groove is embedded in the inner side wall of the mounting groove opening, a limiting groove is embedded in the top wall and the bottom wall of the mounting groove opening, the inserting rod moves to penetrate through the light-passing board, the inserting rod sets two groups by taking the horizontal central line of the light-passing board as the symmetrical axis, a cavity is arranged in the inserting rod, a moving inserting block is arranged in the cavity, the moving inserting block sets two groups by taking the horizontal central line of the cavity as the symmetrical axis, the end portion of the moving inserting block moves to penetrate through the wall of the cavity, the connecting portion of the moving inserting block is provided with a connecting spring, a control rod is arranged on the side wall of the moving inserting block, and the control rod moves to penetrate through the side wall of the cavity and the setting of the inserting rod.

2. The U-shaped photoelectric switch for the elevator according to claim 1, wherein: the shell is provided with a connecting block, and the connecting block is provided with a connection.

3. The U-shaped photoelectric switch for the elevator according to claim 2, wherein: the light-passing board is arranged in a convex structure, and the mounting notch is arranged in a convex structure.

4. The U-shaped photoelectric switch for the elevator according to claim 3, wherein: the movable insertion block is characterized in that the end part of the movable insertion block is arranged in a circular arc structure, and the limiting groove is arranged in a circular arc structure.