CN214249116U

CN214249116U - High-density safety light curtain

Info

Publication number: CN214249116U
Application number: CN202022803061.5U
Authority: CN
Inventors: 樊景民; 胡伟; 彭大鹏
Original assignee: Shenzhen Kensensi Technology Co ltd
Current assignee: Shenzhen Kensensi Technology Co ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-09-21
Anticipated expiration: 2030-11-28

Abstract

The utility model discloses a high-density safety light curtain, which comprises a base, wherein the inner wall of the base is rotatably connected with a screw rod, the outer wall of the screw rod is in threaded connection with symmetrically distributed movable blocks, the top of each movable block is fixedly connected with an installation block, the installation block is in a T shape and is in sliding connection with the base, the top of the installation block is fixedly provided with a light curtain body, the bottom of the light curtain body is fixedly connected with a positioning block, the top of the installation block is provided with a positioning groove, the positioning groove is matched with the positioning block, when the light curtain body is overhauled, the limiting bolt is rotated to separate the limiting bolt from a limiting hole, a connecting ball is pulled, the connecting ball moves to pull a stay cord to move so as to drive a clamping block to move, a spring contracts, the clamping block moves into a fixed groove, and simultaneously the clamping block is separated from the clamping groove, the light curtain body can be taken out at the moment, and the disassembly of the light curtain body is completed, the installation and the dismantlement of the light curtain body of being convenient for, the maintenance to safe light curtain is convenient for.

Description

High-density safety light curtain

Technical Field

The utility model relates to a light curtain field especially relates to high density safety light curtain.

Background

The light curtain is a safety protection device manufactured by utilizing the photoelectric sensing principle. In addition, the light curtain also refers to the message on the back of the money, also called element back, light back, element curtain. The safety light curtain is also a photoelectric safety protection device (also called a safety protector, a punch press protector, an infrared safety protection device, etc.). In a modern chemical plant, people and machines work cooperatively, and personal injuries of operators are easily caused on mechanical equipment with potential hazards, such as stamping machines, shearing equipment, metal cutting equipment, automatic assembly lines, automatic welding lines, mechanical conveying and carrying equipment, and dangerous areas (toxic, high-pressure, high-temperature and the like). The safety light curtain is a light curtain product subjected to safety certification and consists of two parts. The light projector emits modulated infrared light, which is received by the light receiver to form one protecting net, and when some object enters the protecting net, some light is blocked by the object and the light receiver responds immediately via the inner control circuit, so that one signal is output to the output part for the emergency braking of machine tool, such as punch, press, etc.

This application improves under prior art, and among the prior art, the current high strength safety light curtain is not convenient for spacing when using, and when the equipment that detects is great, unable spacing detects, and the light curtain is not convenient for install and dismantle simultaneously, is not convenient for overhaul.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-density safety light curtain.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

high density safety light curtain, the on-line screen storage device comprises a base, the base inner wall rotates and is connected with the screw rod, screw rod outer wall threaded connection has the movable block of symmetric distribution, movable block top fixedly connected with installation piece, the shape of installation piece is T shape, and installation piece and base sliding connection, installation piece top fixed mounting has the light curtain body, light curtain body bottom fixedly connected with locating piece, the constant head tank has been seted up at the top of installation piece, and constant head tank and locating piece looks adaptation.

As a further description of the above technical solution: the mounting block is internally provided with symmetrically distributed fixing grooves, the fixing grooves are communicated with the positioning grooves, the inner walls of the fixing grooves are connected with clamping blocks in a sliding mode, clamping grooves are symmetrically distributed on two sides of the positioning block, and the clamping grooves are matched with the clamping blocks.

As a further description of the above technical solution: and the two groups of clamping blocks are fixedly connected with pull ropes on one sides far away from each other, and one ends of the pull ropes extending out of the mounting blocks are fixedly connected with connecting balls which are abutted against the mounting blocks.

As a further description of the above technical solution: the two sides of the connecting ball are slidably connected with symmetrically distributed fixing plates, two groups of fixing plates are connected with limiting bolts in a threaded mode, limiting holes are formed in the connecting ball, and the limiting holes are matched with the limiting bolts.

As a further description of the above technical solution: rope threading grooves are formed in the two sides of the mounting block and are matched with the pull ropes, the rope threading grooves are communicated with the fixing grooves, springs are sleeved on the outer walls of the pull ropes, one ends of the springs are fixedly connected with the clamping blocks, and the other ends of the springs are fixedly connected with the inner walls of the fixing grooves.

As a further description of the above technical solution: the external threads on the two sides of the screw rod are arranged in opposite directions, one end of the screw rod is fixedly connected with a handle, and the handle is rotatably connected with the base.

The utility model discloses following beneficial effect has:

1. the utility model discloses in when using, rotate the handle and make the handle rotate and drive the screw rod and rotate, the screw rod rotates and drives the movable block and remove, and the movable block removes and drives the installation piece and remove and then drive the light curtain body and remove for interval between two sets of light curtain bodies obtains adjusting, realizes adjusting the detection area of safety light curtain, is convenient for change detection area width.

2. The utility model discloses in when overhauing the light curtain body, rotate spacing bolt and make spacing bolt break away from with spacing hole, the pulling connection ball, connect the ball and remove the pulling stay cord and remove and then drive the fixture block and remove, the spring shrink, in the fixture block removed the entering fixed slot, the fixture block breaks away from with the draw-in groove simultaneously, can take out the light curtain body this moment, accomplishes the dismantlement to the light curtain body, the installation and the dismantlement of the light curtain body of being convenient for, the maintenance to the safe light curtain of being convenient for.

Drawings

Fig. 1 is a schematic structural view of a high-density safety light curtain provided by the present invention;

fig. 2 is a schematic view illustrating a connection between a positioning block and a mounting block of the high-density safety light curtain of the present invention;

fig. 3 is an enlarged schematic structural diagram of a in fig. 2 of the present invention.

Illustration of the drawings:

1-base, 2-screw, 3-movable block, 4-installation block, 5-positioning block, 6-light curtain body, 7-clamping groove, 8-pulling rope, 9-clamping block, 10-fixing groove, 11-positioning groove, 12-rope-penetrating groove, 13-fixing plate, 14-connecting ball, 15-limiting bolt and 16-limiting hole.

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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Referring to fig. 1-3, the high-density safety light curtain provided by the utility model comprises a base 1, a screw rod 2 is rotatably connected to the inner wall of the base 1, the external threads on the two sides of the screw rod 2 are arranged in opposite directions, a handle is fixedly connected to one end of the screw rod 2 and is rotatably connected with the base 1, the outer wall of the screw rod 2 is in threaded connection with symmetrically distributed movable blocks 3, the top of each movable block 3 is fixedly connected with a mounting block 4, the mounting block 4 is in a T shape, the mounting block 4 is in sliding connection with the base 1, a light curtain body 6 is fixedly arranged on the top of the mounting block 4, a positioning block 5 is fixedly connected to the bottom of the light curtain body 6, a positioning groove 11 is arranged on the top of the mounting block 4, the positioning groove 11 is matched with the positioning block 5, a symmetrically distributed fixing groove 10 is arranged in the mounting block 4, the fixing groove 10 is communicated with the positioning groove 11, and a clamping block 9 is slidably connected to the inner wall of the fixing groove 10, equal fixedly connected with stay cord 8 in one side that two sets of fixture blocks 9 kept away from each other, stringing groove 12 has all been seted up to the both sides of installation piece 4, stringing groove 12 and 8 looks adaptations of stay cord, and stringing groove 12 is linked together with fixed slot 10, the spring has been cup jointed to the 8 outer wall of stay cord, spring one end and fixture block 9 fixed connection, and the spring other end and the 10 inner wall fixed connection of fixed slot, stay cord 8 stretches out the one end fixedly connected with connecting ball 14 of installation piece 4, and connecting ball 14 and 4 butts of installation piece, the both sides sliding connection of connecting ball 14 has symmetric distribution fixed plate 13, threaded connection has spacing bolt 15 between two sets of fixed plates 13, spacing hole 16 has been seted up on the connecting ball 14, and spacing hole 16 and spacing bolt 15 looks adaptations, the draw-in groove 7 of symmetric distribution is seted up to the both sides of locating piece 5, and draw-in groove 7 and fixture block 9 looks adaptations.

The working principle is as follows:

in the application, when the safety light curtain is used, the handle is rotated to enable the handle to rotate to drive the screw rod 2 to rotate, the screw rod 2 rotates to drive the movable block 3 to move, the movable block 3 moves to drive the mounting block 4 to move so as to drive the light curtain bodies 6 to move, so that the distance between the two groups of light curtain bodies 6 is adjusted, the detection area of the safety light curtain is adjusted, and the width of the detection area is convenient to change;

in this application, when examining and repairing light curtain body 6, rotate spacing bolt 15 and make spacing bolt 15 break away from with spacing hole 16, the ball 14 is connected in the pulling, it removes 8 removals of pulling stay cord and then drives fixture block 9 and remove to connect the ball 14, the spring shrink, fixture block 9 removes and gets into in the fixed slot 10, fixture block 9 breaks away from with draw-in groove 7 simultaneously, can take out light curtain body 6 this moment, the completion is to the dismantlement of light curtain body 6, the installation and the dismantlement of the light curtain body 6 of being convenient for, be convenient for to the maintenance of safe light curtain.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. High density safety light curtain, including base (1), its characterized in that: base (1) inner wall rotates and is connected with screw rod (2), screw rod (2) outer wall threaded connection has movable block (3) of symmetric distribution, movable block (3) top fixedly connected with installation piece (4), the shape of installation piece (4) is the T shape, and installs piece (4) and base (1) sliding connection, installation piece (4) top fixed mounting has light curtain body (6), light curtain body (6) bottom fixedly connected with locating piece (5), constant head tank (11) have been seted up at the top of installation piece (4), and constant head tank (11) and locating piece (5) looks adaptation.

2. A high-density safety light curtain as claimed in claim 1, wherein: fixing grooves (10) which are symmetrically distributed are formed in the mounting block (4), the fixing grooves (10) are communicated with the positioning grooves (11), clamping blocks (9) are connected to the inner walls of the fixing grooves (10) in a sliding mode, symmetrically distributed clamping grooves (7) are formed in the two sides of the positioning block (5), and the clamping grooves (7) are matched with the clamping blocks (9).

3. A high-density safety light curtain as claimed in claim 2, wherein: two sets of equal fixedly connected with stay cord (8) in one side that fixture block (9) kept away from each other, one end fixedly connected with connection ball (14) that installation piece (4) are stretched out in stay cord (8), and connect ball (14) and installation piece (4) butt.

4. A high-density safety light curtain as claimed in claim 3, wherein: both sides sliding connection of connecting ball (14) has symmetric distribution fixed plate (13), and is two sets of threaded connection has spacing bolt (15) between fixed plate (13), connect and seted up spacing hole (16) on ball (14), and spacing hole (16) and spacing bolt (15) looks adaptation.

5. A high-density safety light curtain as claimed in claim 3, wherein: rope threading grooves (12) have all been seted up to the both sides of installation piece (4), rope threading grooves (12) and stay cord (8) looks adaptation, and rope threading grooves (12) are linked together with fixed slot (10), the spring has been cup jointed to stay cord (8) outer wall, spring one end and fixture block (9) fixed connection, and the spring other end and fixed slot (10) inner wall fixed connection.

6. A high-density safety light curtain as claimed in claim 1, wherein: the external threads on the two sides of the screw rod (2) are arranged in opposite directions, one end of the screw rod (2) is fixedly connected with a handle, and the handle is rotatably connected with the base (1).