CN216904859U

CN216904859U - Anti-interference photoelectric switch

Info

Publication number: CN216904859U
Application number: CN202122548508.3U
Authority: CN
Inventors: 梁志杰
Original assignee: Tianjin Ruisibai Technology Co ltd
Current assignee: Tianjin Ruisibai Technology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-07-05
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses an anti-interference photoelectric switch which comprises a protective box, a side protective cover, a telescopic rod, a base, an adjusting device, a switch cabin, a switch fixing component and a protective cap, wherein the telescopic rod is arranged on the base, the protective box is arranged on the telescopic rod, the side protective cover is connected to the middle part of one side wall of the protective box through screws, the adjusting device is arranged in the protective box, the switch cabin is arranged at one end of the adjusting device, the switch fixing component is arranged on the switch cabin, a window is arranged on the protective box and is positioned at one side of the switch cabin, a transparent protective glass plate is arranged on an upper cover of the window, and the protective cap is symmetrically arranged on the protective box and is positioned at the upper end and the lower end of the transparent protective glass plate. The utility model relates to the technical field of photoelectric equipment, in particular to a dustproof and adjustable anti-interference photoelectric switch.

Description

Anti-interference photoelectric switch

Technical Field

The utility model relates to the technical field of photoelectric equipment, in particular to an anti-interference photoelectric switch.

Background

The photoelectric switch is a short-term photoelectric proximity switch, and detects the existence of an object by utilizing the shielding or reflection of the detected object to a light beam and switching on a circuit through a synchronous circuit. The object is not limited to metal, all objects capable of reflecting light can be detected, and a photoelectric switch is usually arranged in a subway tunnel in China to control the opening and closing of a detection door. Because the photoelectric switch is usually fixed outside by using a bracket, and the bracket is not provided with a protection device, when the photoelectric switch is not used, if the photoelectric switch is contacted by an object, the photoelectric switch is easily damaged; and because use in the tunnel department, the vehicle can bring a large amount of dust through the process, and the long life and the use accuracy of photoelectric switch can be influenced to the dust float on photoelectric switch. Therefore, it is necessary to provide a dustproof and adjustable anti-interference photoelectric switch.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a dustproof and adjustable anti-interference photoelectric switch.

The technical scheme adopted by the utility model is as follows: this scheme anti-interference type photoelectric switch, including protection box, side protecting cover, telescopic link, base, adjusting device, switch passenger cabin, the fixed subassembly of switch and helmet, the telescopic link is located on the base, the protection box is located on the telescopic link, the side protecting cover passes through screwed connection in protection box lateral wall middle part, adjusting device locates in the protection box, adjusting device one end is located to the switch passenger cabin, the fixed subassembly of switch is located on the switch passenger cabin, be equipped with the window on the protection box, the window is located switch passenger cabin one side, the upper shield of windowing is equipped with transparent protective glass board, both ends about just being located transparent protective glass board on the protection box are located to the helmet symmetry.

In order to conveniently lift the switch cabin, the adjusting device comprises a forward and reverse rotating motor, a driven shaft and a chain, a supporting plate is arranged on the upper portion of the protection box, the forward and reverse rotating motor is arranged on the supporting plate, the driven shaft is rotatably arranged between the two inner walls of the protection box and is positioned right below the forward and reverse rotating motor, a driving chain wheel is arranged on an output shaft of the forward and reverse rotating motor, a driven chain wheel is arranged on the driven shaft, the chain is sleeved on the driving chain wheel and the driven chain wheel, the chain is meshed with the driving chain wheel and the driven chain wheel, and the switch cabin is arranged in the middle of one end of the chain wheel and is positioned between the forward and reverse rotating motor and the driven shaft.

In order to conveniently fix and adjust photoelectric switches with different shapes, the switch fixing assembly comprises a supporting baffle plate, a supporting spring, an adjusting bolt, a supporting base plate and a limiting nut, the switch cabin is of a U-shaped structure with three sides open, the supporting spring is arranged on the inner side wall of the switch cabin, the supporting baffle plate is arranged in the switch cabin, one end of the supporting baffle plate is connected with the supporting spring, the adjusting bolt is symmetrically connected with the upper top wall and the lower bottom wall of the switch cabin through threads, the adjusting bolt penetrates through the upper top wall and the lower bottom wall of the switch cabin and extends into the switch cabin, the adjusting bolt is rotatably provided with the supporting base plate, the supporting base plate is arranged in the switch cabin, the limiting nut is symmetrically arranged at the upper end and the lower end of the opening of the switch cabin, and the limiting nut is in threaded connection with a limiting stud.

In order to conveniently remove external dust, a dust blowing fan is arranged on the protective cap positioned at the upper end of the transparent protective glass plate and points to the transparent protective glass plate.

The support springs are provided with a plurality of groups, and the plurality of groups of support springs are arranged on the inner side wall of the switch cabin at intervals and are connected with the support baffle.

In order to fix the device conveniently, the base is provided with a plurality of groups of fixing bolts which are uniformly distributed on the periphery of the base.

The utility model with the structure has the following beneficial effects: this scheme anti-interference type photoelectric switch, its advantage lies in, can protect photoelectric switch through the protection box that sets up and prevent to be collided with and the dust gets into, through setting up the fixed subassembly of switch passenger cabin and switch in the protection box, can install and fix photoelectric switch of equidimension not, adjusting device through setting up, can rise the photoelectric switch in the switch passenger cabin when using, descend when not using, avoid external irritability or strong light to cause the harm to photoelectric switch's infrared probe when not using, can blow off the use that prevents to be infected with transparent protection glass board and influence photoelectric switch through the helmet that sets up and blow-dust fan.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic front structural diagram of an anti-interference photoelectric switch according to the present disclosure;

fig. 2 is a schematic diagram of a left internal structure of an anti-interference photoelectric switch according to the present disclosure;

fig. 3 is a schematic structural diagram of a switch fixing assembly of an anti-interference photoelectric switch according to the present disclosure.

The device comprises a protection box 1, a protection box 2, a side protection cover 3, a telescopic rod 4, a base 5, an adjusting device 6, a switch cabin 7, a switch fixing component 8, a protection cap 9, a transparent protection glass plate 10, a forward and reverse rotating motor 11, a driven shaft 12, a chain 13, a supporting plate 14, a driving chain wheel 15, a driven chain wheel 16, a supporting baffle 17, a supporting spring 18, an adjusting bolt 19, a supporting base plate 20, a limiting nut 21, a limiting stud 22, a dust blowing fan 23, a fixing bolt 24 and a photoelectric switch.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and 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.

As shown in fig. 1 and 2, the anti-interference photoelectric switch of the present invention includes a protection box 1, a side protection cover 2, a telescopic rod 3, a base 4, an adjusting device 5, a switch cabin 6, a switch fixing component 7 and a protection cap 8, wherein the telescopic rod 3 is disposed on the base 4, the protection box 1 is disposed on the telescopic rod 3, the side protection cover 2 is connected to the middle portion of a side wall of the protection box 1 through screws, the adjusting device 5 is disposed in the protection box 1, the switch cabin 6 is disposed at one end of the adjusting device 5, the switch fixing component 7 is disposed on the switch cabin 6, the protection box 1 is provided with a window, the window is located on one side of the switch cabin 6, the window upper cover is provided with a transparent protection glass plate 9, and the protection caps 8 are symmetrically disposed on the protection box 1 and located at the upper and lower ends of the transparent protection glass plate 9.

As shown in fig. 2, the adjusting device 5 includes a positive and negative rotation motor 10, a driven shaft 11 and a chain 12, a supporting plate 13 is arranged on the upper portion of the protection box 1, the positive and negative rotation motor 10 is arranged on the supporting plate 13, the driven shaft 11 is rotatably arranged between two inner walls of the protection box 1, the driven shaft 11 is arranged under the positive and negative rotation motor 10, a driving sprocket 14 is arranged on an output shaft of the positive and negative rotation motor 10, a driven sprocket 15 is arranged on the driven shaft 11, the chain 12 is sleeved on the driving sprocket 14 and the driven sprocket 15, the chain 12 is meshed with the driving sprocket 14 and the driven sprocket 15, and the switch cabin 6 is arranged in the middle of one end of the sprocket and is arranged between the positive and negative rotation motor 10 and the driven shaft 11.

As shown in fig. 2, the switch fixing assembly 7 includes a supporting baffle 16, a supporting spring 17, an adjusting bolt 18, a supporting cushion plate 19 and a limiting nut 20, the switch cabin 6 is a U-shaped structure with three sides open, the supporting spring 17 is disposed on an inner side wall of the switch cabin 6, the supporting baffle 16 is located in the switch cabin 6, one end of the supporting baffle is connected to the supporting spring 17, the adjusting bolt 18 is symmetrically connected to an upper top wall and a lower bottom wall of the switch cabin 6 through threads, the adjusting bolt 18 extends into the switch cabin 6 through the upper top wall and the lower bottom wall of the switch cabin 6, the adjusting bolt 18 is rotatably provided with the supporting cushion plate 19, the supporting cushion plate 19 is located in the switch cabin 6, the limiting nut 20 is symmetrically disposed at upper and lower ends of an opening of the switch cabin 6, and the limiting bolt 21 is connected to the limiting nut 20 through threads.

As shown in fig. 1, a dust blowing fan 22 is arranged on the protective cap 8 at the upper end of the transparent protective glass plate 9, and the dust blowing fan 22 points to the transparent protective glass plate 9.

As shown in fig. 3, the supporting springs 17 are provided with a plurality of sets, and the plurality of sets of supporting springs 17 are arranged on the inner side wall of the switch cabin 6 at intervals and connected with the supporting baffle 16.

As shown in fig. 1, the base 4 is provided with a plurality of fixing bolts 23, and the plurality of fixing bolts 23 are uniformly distributed around the base 4.

When the device is used, the device is fixed and fixed with a foundation stably through the fixing bolt 23 on the base 4 in an initial unused state, the height direction of the device is adjusted by adjusting the height of the telescopic rod 3, the side protecting cover 2 is opened, the photoelectric switch 24 is placed in the switch cabin 6, the rear part of the photoelectric switch 24 is tightly attached to the supporting baffle 16 to compress the supporting spring 17, the limit studs 21 at the upper end and the lower end of the switch cabin 6 are screwed, the front end of the photoelectric switch 24 is tightly clamped by the limit studs 21, the adjusting bolts 18 at the upper end and the lower end of the switch cabin 6 are adjusted to adjust the height direction of the photoelectric switch 24 in the switch cabin 6, after adjustment is completed, the side protecting cover 2 is fixed with the protecting box 1, when the device is needed to be used, the forward and reverse rotation motor 10 is started to rotate in the forward direction, the forward and reverse rotation motor 10 drives the driving chain wheel 14 to rotate, the chain 12 rotates along with the driven chain wheel 15 under the meshing action, the chain 12 drives the photoelectric switch 24 rebound in the switch passenger cabin 6, makes the emission module of photoelectric switch 24 see through transparent cover glass board 9 and launches, can shelter from other light through helmet 8 in the use, prevents to disturb photoelectric switch 24, for preventing that the transparent cover glass board 9 of dust adhesion from disturbing photoelectric switch 24 and being in operation, it can to blow off the dust through the dust blowing fan 22 that sets up on helmet 8.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An anti-interference photoelectric switch is characterized in that: the adjustable safety protection device comprises a protection box, a side protection cover, a telescopic rod, a base, an adjusting device, a switch cabin, a switch fixing assembly and a protective cap, wherein the telescopic rod is arranged on the base, the protection box is arranged on the telescopic rod, the side protection cover is connected to the middle of one side wall of the protection box through screws, the adjusting device is arranged in the protection box, one end of the adjusting device is arranged in the switch cabin, the switch fixing assembly is arranged on the switch cabin, a window is arranged on the protection box, the window is positioned on one side of the switch cabin, a transparent protective glass plate is arranged on the window opening upper cover, and the protective cap is symmetrically arranged on the protection box and positioned at the upper end and the lower end of the transparent protective glass plate.

2. An interference rejection opto-electronic switch according to claim 1, wherein: adjusting device includes positive and negative motor, driven shaft and chain, protection box upper portion is equipped with the backup pad, positive and negative motor is located in the backup pad, the driven shaft rotates and locates between two inner walls of protection box, the driven shaft is located positive and negative motor under, be equipped with drive sprocket on the output shaft of positive and negative motor, be equipped with driven sprocket on the driven shaft, the chain cover is located on drive sprocket and the driven sprocket, the chain meshes with drive sprocket and driven sprocket, the switch passenger cabin is located sprocket one end middle part and is located between positive and negative motor and the driven shaft.

3. An interference rejection opto-electronic switch according to claim 1, wherein: the fixed subassembly of switch includes supporting baffle, supporting spring, adjusting bolt, supporting baseplate and limit nut, the switch passenger cabin is the trilateral open-ended structure of U type, supporting spring locates on a switch passenger cabin inside wall, supporting baffle is located the switch passenger cabin and one end is connected with supporting spring, adjusting bolt symmetry threaded connection with on the switch passenger cabin roof and lower diapire, adjusting bolt passes on the switch passenger cabin roof and extends to the switch passenger cabin with lower diapire in, adjusting bolt goes up to rotate and is equipped with the supporting baseplate, the supporting baseplate is located the switch passenger cabin, the upper and lower both ends of switch passenger cabin opening part are located to the limit nut symmetry, threaded connection has limit stud on the limit nut.

4. An interference rejection opto-electronic switch according to claim 1, wherein: and a dust blowing fan is arranged on the protective cap positioned at the upper end of the transparent protective glass plate.

5. A tamper resistant opto-electronic switch according to claim 3, characterized in that: the supporting springs are provided with a plurality of groups, and the plurality of groups of supporting springs are arranged on the inner side wall of the switch cabin at intervals and are connected with the supporting baffle.

6. An interference rejection opto-electronic switch according to claim 1, wherein: the base is provided with fixing bolts, the fixing bolts are provided with a plurality of groups, and the fixing bolts are uniformly distributed on the periphery of the base.