CN112511147A

CN112511147A - Photoelectric switch

Info

Publication number: CN112511147A
Application number: CN202011462346.5A
Authority: CN
Inventors: 周青红; 杨荣彩
Original assignee: Zhuhai Hengqin New District Huiteng Electronic Technology Co ltd
Current assignee: Zhuhai Hengqin New District Huiteng Electronic Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-03-16

Abstract

The present invention provides an optoelectronic switch, comprising: the light source comprises a light source tube, a shell, a light closing component, a knob, a fixed seat, a rotary rod, a connecting rod, a fixed sleeve, a light screen, a first latch, a second latch, a first movable shielding plate, a second movable shielding plate, a third movable shielding plate, a fixed buckle, a groove, a first convex mirror, a first concave mirror, a second convex mirror, a telescopic ring, a pulley, a fixed rod, a sliding chute, a first fixed shell, a fixed ring, a second fixed shell, a fixed plate and a reflecting bin, wherein the shell is fixedly arranged on the right end face of the light source tube, the light closing component is arranged on the right end face of the shell, the fixed ring is arranged on the right end face of the first fixed shell, the rotary rod is arranged on the lower end face of the knob, the first convex mirror is connected to the inner: the problem of poor closing optical signals of the device is avoided, the problem that the original device cannot be connected with a plurality of groups of light source tubes is solved, and the conduction effect of the invention is improved.

Description

Photoelectric switch

Technical Field

The invention relates to a photoelectric switch, belonging to the technical field of photoelectric switches.

Background

The photoelectric switch (photoelectric sensor) is a short name of photoelectric proximity switch, and detects the existence of an object by using the shielding or reflection of the detected object to a light beam and connecting a circuit by a synchronous circuit. The object is not limited to metal, and all objects that reflect light (or block light) can be detected. The photoelectric switch converts the input current into an optical signal on the transmitter to be emitted, and the receiver detects the target object according to the intensity or the existence of the received light. A common photoelectric switch smoke alarm in a security system is frequently used in the industry for counting the movement times of a mechanical arm.

The photoelectric switch in the prior art is widely applied, but the existing photoelectric switch cannot quickly close the connection of optical signals and cannot be connected with branch signals of a plurality of groups of light source tubes, so that a photoelectric switch is urgently needed to solve the above problems.

Disclosure of Invention

In view of the shortcomings of the prior art, the present invention is directed to a photoelectric switch, which adds a light source tube, a housing, a light blocking member, a fixing plate, and a reflective chamber to solve the problems of the prior art.

The technical scheme of the invention is realized as follows: an optoelectronic switch, comprising: light source pipe, shell, light component, fixed plate and reflection storehouse close, the installation of light source pipe right-hand member face is fixed with the shell, the light component that closes is installed to shell right-hand member face, the fixed plate is installed to the terminal surface before the light component that closes, the reflection storehouse has been seted up to the fixed plate rear end face, the shell includes set casing one, solid fixed ring, set casing two, sealed cushion, leaded light storehouse and closes the light gum cover, it includes knob, fixing base, swing arm, connecting rod, connecting hole, fixed cover, light screen, anti-skidding gum cover, latch one, latch two, wear-resisting cladding material, inner ring gum cover, spread groove, activity sunshade one, activity sunshade two, activity sunshade three, fixed knot, expansion ring, base, pulley, dead lever and spout to close the light component, the reflection storehouse includes recess, convex mirror one, concave mirror one, convex mirror two, concave mirror two.

As a preferred embodiment, solid fixed ring is installed to a set of set casing right-hand member face, gu fixed ring right-hand member face installs set casing two, two internally mounted of set casing have sealed cushion, two right-hand member faces of set casing are equipped with the leaded light storehouse, the tight gum cover of light is installed to leaded light storehouse right-hand member face.

As a preferred embodiment, a cross section of the first fixed shell is of a rectangular structure, a circular groove is formed in the first fixed shell, the diameter of the cross section of the circular groove is larger than that of the cross section of the light source tube, sealing rubber is mounted on the surface of the circular groove, a circular groove is formed in the fixed ring, internal threads are formed in the circular groove, the cross section of the second fixed shell is of an E-shaped structure, the cross section of the sealing rubber gasket is of an annular structure, an inner spherical groove is formed in the light guide bin, a light-blocking rubber sleeve is mounted on the inner side of the inner spherical groove, in actual use, the sealing rubber in the first fixed shell prevents dust and moisture from invading, the length of the fixed ring is adjusted according to the installation environment and the length of the second fixed shell, the number of cutting tubes is reduced.

As a preferred embodiment, a rotary rod is installed on the lower end surface of the rotary knob, a fixed seat is installed on the lower end surface of the rotary rod, a connecting rod is installed on the outer side of the middle position of the rotary rod, a fixed sleeve is installed on the lower end surface of the rotary rod, a connecting hole is formed in the fixed sleeve, a light screen is installed on the right end surface of the fixed sleeve, an anti-skidding rotary sleeve is installed on the outer side of the fixed sleeve, a first latch is installed on the inner side of the anti-skidding rotary sleeve, a second latch is installed on the inner side of the first latch, wear-resistant coatings are coated on the outer sides of the first latch and the second latch, an inner ring rubber sleeve is installed on the inner side of the second latch, a connecting groove is formed in the inner ring rubber sleeve, a first movable shield is installed on the right side of the lower end surface of the light screen, a second, the utility model discloses a pulley, including activity sunshade, base, dead lever, pulley outside, the pulley is installed to the dead lever, the pulley outside is equipped with the spout, the installation has the expansion ring between activity sunshade one, activity sunshade two, activity sunshade three and the fixed knot, the base is all installed to activity sunshade one, activity sunshade two, activity sunshade three and the fixed knot bottom, the dead lever is installed to terminal surface under the base, the pulley outside is equipped with the spout.

As a preferred embodiment, the knob outside is equipped with anti-skidding screw thread, the fixing base passes through the bolt fastening with the leaded light storehouse outside, the swing arm passes through welded fastening with the knob, the swing arm is the moving mechanism, the connecting rod passes through welded fastening with the fixing base, connecting rod cross section diameter is greater than swing arm cross section diameter, the inside thread groove that is equipped with of connecting hole, fixed cover and swing arm fixed connection, the light screen passes through welded fastening with fixed cover, in the in-service use, controls the swing arm through rotatory knob and rotates, makes fixed cover and light screen block the light source pipe internal light source and be connected.

As a preferred embodiment, the anti-slip thread is formed on the outer side of the anti-slip rotary sleeve, the first latch and the second latch are in the same specification, the first latch and the second latch are symmetrically welded to each other and are meshed with each other, the wear-resistant coating is made of a chromium metal material with high hardness, the inner ring rubber sleeve is made of a rubber material, the cross section diameter of the connecting groove is the same as that of the rotary rod, in practical use, the knob is pressed and rotated, the rotary rod is driven to rotate at the same time, the fixing sleeve is driven to rotate, the first latch and the second latch are meshed with each other and keep a locking state, so that the photoelectric switch is controlled to be closed, the first latch and the second latch can be disengaged when the knob is pulled out, and the photoelectric switch is prevented from being closed due to misoperation.

As a preferred embodiment, the first movable shielding plate, the second movable shielding plate and the third movable shielding plate have the same specification, the first movable shielding plate, the second movable shielding plate and the third movable shielding plate are coated with black frosted light absorption coating, the fixing buckle is fixedly connected with the telescopic ring, the telescopic ring is of a movable structure, the cross section of the pulley is circular, the cross section of the sliding groove is circular, the diameter of the cross section of the sliding groove is larger than that of the pulley, the inside of the sliding groove is a smooth surface, in actual use, the knob is pressed and rotated to enable the first clamping tooth to be meshed with the second clamping tooth, the fixing sleeve is driven to rotate while the knob is rotated, the telescopic ring is extended, the first movable shielding plate, the second movable shielding plate and the third movable shielding plate shield light rays inside the light source tube, and the light rays are absorbed and stopped being reflected to achieve the purpose.

As a preferred embodiment, a first convex mirror is bonded and connected to the inner side of the groove, a first concave mirror is bonded and connected to the right end and the lower end of the first convex mirror, a second convex mirror is bonded and connected to the right end and the lower end of the first concave mirror, and a second concave mirror is bonded and connected to the right end and the lower end of the second convex mirror.

As a preferred embodiment, the interior of the reflection bin is of a spherical structure, the interior of the groove is filled with transparent sealant, the interior of the reflection bin is seamlessly adhered, the first convex mirror has a plurality of groups, the specifications of the first convex mirrors are the same, the cross sections of the first convex mirror, the second convex mirror and the first concave mirror are of triangular structures, the cross section of the second concave mirror is of a square structure, in actual use, a group of main light source tubes transmit the branched groups of light source tubes through reflection of the light source tubes in the reflection bin, and the reflection bin stably transmits the branched groups of light source tubes to a plurality of groups of light receivers and transmits the branched light sources along with the frequency of optical signals.

After the technical scheme is adopted, the invention has the beneficial effects that: the photoelectric switch comprises the light source tubes, the shell, the light closing part, the fixing plate and the reflecting bin, the design facilitates the improvement of the device, the problem that the device has poor closed light signals is solved, the problem that the original device cannot be connected with a plurality of groups of light source tubes is solved, and the conduction effect of the photoelectric switch is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an optoelectronic switch according to the present invention;

FIG. 2 is a front sectional view of an optoelectronic switch according to the present invention;

FIG. 3 is a top sectional view of a light-blocking member in an optoelectronic switch according to the present invention;

FIG. 4 is a front sectional view of a fixing sleeve and a light shielding plate in an optoelectronic switch according to the present invention;

FIG. 5 is a front sectional view of a light blocking plate blocking light signals in an optoelectronic switch according to the present invention;

FIG. 6 is a right sectional view of the fixing sleeve and the light shielding plate in the photoelectric switch according to the present invention;

FIG. 7 is a front sectional view of a reflective chamber in an optoelectronic switch according to the present invention;

in the figure: 1-light source tube, 2-outer shell, 3-light-blocking component, 4-fixing plate, 5-reflecting bin, 21-fixing shell I, 22-fixing ring, 23-fixing shell II, 24-sealing rubber pad, 25-light-guiding bin, 26-light-blocking rubber sleeve, 31-knob, 32-fixing seat, 33-rotary rod, 34-connecting rod, 35-connecting hole, 36-fixing sleeve, 37-shading plate, 361-anti-skid rubber sleeve, 362-clamping tooth I, 363-clamping tooth II, 364-wear-resistant coating, 365-inner ring rubber sleeve, 366-connecting groove, 371-movable shading plate I, 372-movable shading plate II, 373-movable shading plate III, 374-fixing buckle, 375-telescopic ring, 376-base, 377-pulley, 376, and the like, 378-fixed rod, 379-sliding chute, 51-groove, 52-convex mirror I, 53-concave mirror I, 54-convex mirror II and 55-concave mirror II.

Detailed Description

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

Referring to fig. 1-7, an optoelectronic switch includes: the light source comprises a light source tube 1, a shell 2, a light-closing component 3, a fixing plate 4 and a reflection bin 5, wherein the shell 2 is fixedly installed on the right end face of the light source tube 1, the light-closing component 3 is installed on the right end face of the shell 2, the fixing plate 4 is installed on the front end face of the light-closing component 3, the reflection bin 5 is arranged on the rear end face of the fixing plate 4, the shell 2 comprises a first fixing shell 21, a fixing ring 22, a second fixing shell 23, a sealing rubber gasket 24, a light guide bin 25 and a light-closing rubber sleeve 26, the light-closing component 3 comprises a knob 31, a fixing seat 32, a rotating rod 33, a connecting rod 34, a connecting hole 35, a fixing sleeve 36, a light shielding plate 37, an anti-slip rotating sleeve 361, a first latch 362, a second latch 363, a wear-resistant plating layer 364, an inner ring rubber sleeve 365, a connecting groove 366, a movable shielding plate 378-371, a movable two 372, a, A first convex mirror 52, a first concave mirror 53, a second convex mirror 54 and a second concave mirror 55.

Referring to fig. 1-2, a fixing ring 22 is installed on the right end surface of the first fixing shell 21, a second fixing shell 23 is installed on the right end surface of the fixing ring 22, a sealing rubber gasket 24 is installed inside the second fixing shell 23, a light guide bin 25 is installed on the right end surface of the second fixing shell 23, and a light blocking rubber sleeve 26 is installed on the right end surface of the light guide bin 25.

Referring to fig. 1-2, a cross section of the first fixing shell 21 is a rectangular structure, a circular groove is formed in the first fixing shell 21, the diameter of the cross section of the circular groove is larger than that of the cross section of the light source tube 1, sealing rubber is mounted on the surface of the circular groove, a circular groove is formed in the fixing ring 22, internal threads are formed in the circular groove, a cross section of the second fixing shell 23 is an E-shaped structure, a cross section of the sealing rubber gasket 24 is an annular structure, an inner spherical groove is formed in the light guide bin 25, and a light-blocking rubber sleeve 26 is mounted on the inner side of the inner spherical groove.

Referring to fig. 1-4, a rotary rod 33 is installed on the lower end surface of a rotary knob 31, a fixed seat 32 is installed on the lower end surface of the rotary rod 33, a connecting rod 34 is installed on the outer side of the middle position of the rotary rod 33, a fixed sleeve 36 is installed on the lower end surface of the rotary rod 33, a connecting hole 35 is formed inside the fixed sleeve 36, a shading plate 37 is installed on the right end surface of the fixed sleeve 36, an anti-slip rotary sleeve 361 is installed on the outer side of the fixed sleeve 36, a first latch 362 is installed and fixed on the inner side of the anti-slip rotary sleeve 361, a second latch 363 is installed on the inner side of the first latch 362, wear-resistant coatings 364 are coated on the outer sides of the first latch 362 and the second latch 363, an inner ring rubber sleeve 365 is installed on the inner side of the second latch 363, a connecting groove 366 is installed on the inner side of the inner ring rubber sleeve 365, a first movable shading plate, the telescopic ring 375 is installed and connected between the first movable shielding plate 371, the second movable shielding plate 372, the third movable shielding plate 373 and the fixing buckle 374, the base 376 is installed at the bottoms of the first movable shielding plate 371, the second movable shielding plate 372, the third movable shielding plate 373 and the fixing buckle 374, the fixing rod 378 is installed on the lower end face of the base 376, the pulley 377 is installed on the lower end face of the fixing rod 378, and the sliding groove 379 is formed in the outer side of the pulley 377.

Referring to fig. 1-4, an anti-slip thread is disposed on an outer side of the knob 31, the fixing base 32 is fixed to an outer side of the light guide chamber 25 by a bolt, the rotating rod 33 is fixed to the knob 31 by welding, the rotating rod 33 is a movable mechanism, the connecting rod 34 is fixed to the fixing base 32 by welding, a cross section diameter of the connecting rod 34 is larger than a cross section diameter of the rotating rod 33, a thread groove is disposed inside the connecting hole 35, the fixing sleeve 36 is fixedly connected to the rotating rod 33, and the light shielding plate 37 is fixed to the fixing sleeve 36 by welding.

Referring to fig. 1-6, the anti-slip threads are formed on the outer side of the anti-slip rotary sleeve 361, the first latch 362 and the second latch 363 have the same specification, the first latch 362 and the second latch 363 are symmetrically welded to each other, the first latch 362 and the second latch 363 are engaged with each other, the wear-resistant plating 364 is made of a chromium metal material with high hardness, the inner ring rubber sleeve 365 is made of a rubber material, the cross section diameter of the connecting groove 366 is consistent with the cross section diameter of the rotary rod 33, in practical use, the knob 31 is pressed and rotated, the rotary rod 33 is driven to rotate, the fixing sleeve 36 is driven to rotate, the first latch 362 and the second latch 363 are engaged with each other and keep a locking state, so that the photoelectric switch is controlled to be closed, the first latch 362 and the second latch 363 can be disengaged when the knob 31 is pulled out, and the photoelectric switch is prevented from being.

Referring to fig. 1-6, the specifications of the first shutter 371, the second shutter 372 and the third shutter 373 are the same, the outer sides of the first shutter 371, the second shutter 372 and the third shutter 373 are coated with black frosted light-absorbing paint, the fixing buckle 374 is connected and fixed with the telescopic ring 375, the telescopic ring 375 is a movable structure, the cross section of the pulley 377 is circular, the cross section of the chute 379 is circular, the diameter of the cross section of the chute 379 is larger than that of the pulley 377, and the inside of the chute 379 is a smooth surface, in practical use, the knob 31 is pressed and rotated to engage the first latch 362 with the second latch 363, the fixing sleeve 36 is rotated while the knob 31 is rotated, and the telescopic ring 375 is extended, so that the movable shielding plate 371, the movable shielding plate 372 and the movable shielding plate 373 shield the light inside the light source tube 1, and the light is absorbed and stopped to reflect, thereby achieving the purpose of closing the switch.

Referring to fig. 1-7, a first convex mirror 52 is bonded to the inner side of the groove 51, a first concave mirror 53 is bonded to the right end and the lower end of the first convex mirror 52, a second convex mirror 54 is bonded to the right end and the lower end of the first concave mirror 53, and a second concave mirror 55 is bonded to the right end and the lower end of the second convex mirror 54.

Referring to fig. 1-7, the interior of the reflective bin 5 is a spherical structure, the interior of the groove 51 is filled with transparent sealant, the interior of the reflective bin 5 is seamlessly adhered, the first convex mirror 52 has a plurality of groups, and the specifications of the first convex mirror 52 are the same, the cross sections of the first convex mirror 52, the second convex mirror 54 and the first concave mirror 53 are all triangular structures, and the cross section of the second concave mirror 55 is a square structure.

As an embodiment of the present invention: in the in-service use, because first 21 cross sections of set casing are the rectangle structure, the circular slot has been seted up to first 21 inside of set casing, circular slot cross section diameter is greater than 1 cross section diameter of light source pipe, circular slot surface mounting has sealing rubber, the circular slot has been seted up to fixed ring 22 inside, the internal thread has been seted up to circular slot inside, first 21 inside sealing rubber of set casing prevents dust and moisture invasion, avoid the unable long-time use of light source pipe 1, fixed ring can be according to the installation environment of difference and the length of set casing two 23, come through the length of the solid fixed ring 22 of rotatory adjustment, and effectively reduce the number of times of tailorring light source pipe 1, prevent owing to tailor the inside optic fibre material fracture of light source pipe 1 in-.

As an embodiment of the present invention: in practical use, the knob 31 is pressed and rotated, the rotary rod 33 is driven to rotate, the rotary rod 33 drives the fixing sleeve 36 to rotate, the first latch 362 and the second latch 363 are symmetrically welded to each other, the first latch 362 and the second latch 363 are meshed to each other, the wear-resistant plating 364 is made of a chromium metal material with high hardness, the inner ring rubber sleeve 365 is made of a rubber material, the diameter of the cross section of the connecting groove 366 is consistent with the length of the diameter of the cross section of the rotary rod 33, at the moment, the first latch 362 and the second latch 363 are meshed to each other and keep a locking state, the light shielding plate is controlled to control the on-off of the photoelectric switch, the first latch 362 and the second latch 363 can be disengaged when the knob 31 is pulled out, and the on-off of the photoelectric.

As an embodiment of the present invention: in practical use, the knob 31 is pressed and rotated, because the lower end surface of the knob 31 is provided with the rotary rod 33, the lower end surface of the rotary rod 33 is provided with the fixed seat 32, the outer side of the middle position of the rotary rod 33 is provided with the connecting rod 34, the lower end surface of the rotary rod 33 is provided with the fixed sleeve 36, the first latch 362 is meshed with the second latch 363, the fixed sleeve 36 is driven to rotate while the knob 31 is rotated, at the same time, the extension ring 375 is extended and drives the pulley to move in the sliding slot, so that the movable shielding plate one 371, the movable shielding plate two 372 and the movable shielding plate three 373 are unfolded, as shown in FIG. 5, the first shutter 371, the second shutter 372 and the third shutter 373 shield the light signal emitted from the light source tube 1, the outer sides of the first movable shielding plate 371, the second movable shielding plate 372 and the third movable shielding plate 373 are coated with black frosted light absorption paint, and light signals are absorbed and stopped to reflect so as to achieve the purpose of closing the switch.

As an embodiment of the present invention: in the in-service use, because the inside spherical structure that is of reflection storehouse 5, the inside transparent sealed glue that is filled of recess 51, the inside seamless pasting that is of reflection storehouse 5, and the inside unsmooth mirror surface that is of reflection storehouse, can make laser signal carry out the scattered wave in reflection storehouse inside, through light source pipe 1 at the inside reflection in reflection storehouse 5, can add multiunit light signal receiver in the spherical structure of reflection storehouse 5 inside, make the transmission of multiunit light source pipe 1 of a set of main light source pipe 1 conduction branch, the frequency that reflection storehouse 5 followed light signal simultaneously carries out stable transduction to multiunit light receiver and carries out the conduction.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An optoelectronic switch, comprising: light source pipe (1), shell (2), close light part (3), fixed plate (4) and reflection storehouse (5), its characterized in that: light source pipe (1) right-hand member face installation is fixed with shell (2), shell (2) right-hand member face is installed and is closed light part (3), fixed plate (4) are installed to the terminal surface before closing light part (3), reflection storehouse (5) have been seted up to fixed plate (4) rear end face, shell (2) are including set casing (21), solid fixed ring (22), set casing two (23), sealed cushion (24), leaded light storehouse (25) and close light gum cover (26), close light part (3) including knob (31), fixing base (32), swing arm (33), connecting rod (34), connecting hole (35), fixed cover (36), light screen (37), antiskid spiral cover (361), latch one (362), latch two (363), wear-resisting coating (364), inner ring gum cover (365), connecting groove (366), movable sunshade board one (371), movable sunshade board two (372), The reflecting bin (5) comprises a groove (51), a first convex mirror (52), a first concave mirror (53), a second convex mirror (54) and a second concave mirror (55).

2. An optoelectronic switch according to claim 1, wherein: fixed ring (22) are installed to set casing one (21) right-hand member face, fixed ring (22) right-hand member face installs set casing two (23), set casing two (23) internally mounted has sealed cushion (24), set casing two (23) right-hand member face is equipped with leaded light storehouse (25), leaded light storehouse (25) right-hand member face is installed and is closed smooth gum cover (26).

3. An optoelectronic switch according to claim 2, wherein: the cross section of the first fixing shell (21) is of a rectangular structure, a circular groove is formed in the first fixing shell (21), the diameter of the cross section of the circular groove is larger than that of the cross section of the light source tube (1), sealing rubber is arranged on the surface of the circular groove, a circular groove is formed in the fixing ring (22), internal threads are formed in the circular groove, the cross section of the second fixing shell (23) is of an E-shaped structure, the cross section of the sealing rubber gasket (24) is of an annular structure, an inner spherical groove is formed in the light guide bin (25), a light-blocking rubber sleeve (26) is arranged on the inner side of the inner spherical groove, in actual use, the sealing rubber in the first fixing shell (21) prevents dust and moisture from invading, the length of the fixing ring (22) is adjusted according to the installation environment and the length of the second fixing shell (23), the frequency of cutting the light source, resulting in a disconnection of the line.

4. An optoelectronic switch according to claim 1, wherein: the utility model discloses a wear-resistant protective cover for the automobile seat, including knob (31), swing arm (33) are installed to the terminal surface under swing arm (33), fixing base (32) are installed to the terminal surface under swing arm (33), connecting rod (34) are installed to the swing arm (33) intermediate position outside, fixed cover (36) are installed to the terminal surface under swing arm (33), connecting hole (35) have been seted up to fixed cover (36) inside, light screen (37) are installed to fixed cover (36) right-hand member face, antiskid spiral cover (361) are installed in the fixed cover (36) outside, antiskid spiral cover (361) inboard installation is fixed with latch one (362), latch two (363) are installed to latch one (362) inboard, latch one (362) and latch two (363) outside scribble wear-resistant coating (364), inner ring gum cover (365) are installed to latch two (363) inboard, inner ring gum cover (365) inboard is equipped with spread groove (366), movable one (371) is installed on the terminal surface right side, movable shielding plate two (372) is installed to movable shielding plate one (371) left end face, movable shielding plate three (373) is installed to movable shielding plate two (372) left end face, fixed knot (374) is installed to movable shielding plate three (373) left end face, the erection joint has expansion ring (375) between movable shielding plate one (371), movable shielding plate two (372), movable shielding plate three (373) and fixed knot (374), base (376) are all installed to movable shielding plate one (371), movable shielding plate two (372), movable shielding plate three (373) and fixed knot (374) bottom, dead lever (378) is installed to terminal surface under base (376), pulley (377) are installed to terminal surface under dead lever (378), pulley (377) outside is equipped with spout (379).

5. An optoelectronic switch according to claim 4, wherein: knob (31) outside is equipped with anti-skidding screw thread, fixing base (32) pass through the bolt fastening with leaded light storehouse (25) outside, swing arm (33) and knob (31) pass through welded fastening, swing arm (33) are the moving mechanism, connecting rod (34) pass through welded fastening with fixing base (32), connecting rod (34) cross section diameter is greater than swing arm (33) cross section diameter, connecting hole (35) inside is equipped with the thread groove, fixed cover (36) and swing arm (33) fixed connection, light screen (37) and fixed cover (36) pass through welded fastening, in the in-service use, control swing arm (33) through rotatory knob (31) and rotate, make fixed cover (36) and light screen (37) block light source pipe (1) inside light source and be connected.

6. An optoelectronic switch according to claim 4, wherein: the outer side of the anti-skid rotary sleeve (361) is provided with anti-skid grains, the specifications of the first latch (362) and the second latch (363) are the same, the first latch (362) and the second latch (363) are symmetrically welded with each other, the first latch (362) and the second latch (363) are mutually meshed, the wear-resistant plating layer (364) is made of chromium metal material with high hardness, the inner ring rubber sleeve (365) is made of rubber material, the diameter of the cross section of the connecting groove (366) is consistent with the diameter and the length of the cross section of the rotating rod (33), in actual use, the knob (31) is pressed and rotated, and the rotary rod (33) is driven to rotate at the same time, and drives the fixing sleeve (36) to rotate, the first latch (362) and the second latch (363) are mutually engaged and keep a locking state, therefore, the photoelectric switch is controlled to be closed, when the knob (31) is pulled out, the first clamping tooth (362) and the second clamping tooth (363) can be disengaged, and the photoelectric switch is prevented from being closed due to misoperation.

7. An optoelectronic switch according to claim 4, wherein: the specifications of the first movable shielding plate (371), the second movable shielding plate (372) and the third movable shielding plate (373) are the same, the outer sides of the first movable shielding plate (371), the second movable shielding plate (372) and the third movable shielding plate (373) are coated with black frosted light-absorbing paint, the fixing buckle (374) is connected and fixed with the telescopic ring (375), the telescopic ring (375) is a movable structure, the cross section of the pulley (377) is circular, the cross section of the chute (379) is circular, the diameter of the cross section of the chute (379) is larger than that of the pulley (377), the inside of the chute (379) is a smooth surface, in practical use, the knob (31) is pressed down and rotated to enable the first clamping tooth (362) to be meshed with the second clamping tooth (363), the fixing sleeve (36) is driven to rotate while the knob (31) is rotated, the telescopic ring (375) is extended, and the first movable shielding plate (371), the second movable shielding plate (372) and the third movable shielding plate (373) shield the light source tube (, and absorbs the light to stop the reflection of the light to close the switch.

8. An optoelectronic switch according to claim 1, wherein: the concave mirror is characterized in that a first convex mirror (52) is connected to the inner side of the groove (51) in a pasting mode, a first concave mirror (53) is connected to the right end and the lower end of the first convex mirror (52) in a pasting mode, a second convex mirror (54) is connected to the right end and the lower end of the first concave mirror (53) in a pasting mode, and a second concave mirror (55) is connected to the right end and the lower end of the second convex mirror (54) in a.

9. An optoelectronic switch according to claim 8, wherein: the utility model discloses a light source device, including reflection storehouse (5), recess (51), concave mirror (52), concave mirror (54), concave mirror (53), concave mirror (5) are inside to be seamless pasting, convex mirror (52) have a plurality of groups, and a plurality of groups convex mirror (52) specification is the same, convex mirror (52), convex mirror (54), concave mirror (53) cross section are the triangle-shaped structure, concave mirror (55) cross section is the square structure, and in the in-service use, through light source pipe (1) at the inside reflection in reflection storehouse (5), makes a set of main light source pipe (1) conduction branch multiunit light source pipe (1) transmit, and reflection storehouse (5) are followed the frequency of light signal and are stably transduced to multiunit light receiver and conduct simultaneously.