Infrared photoelectric switch

Abstract

The utility model discloses an infrared photoelectric switch, which comprises a mounting block, a cover plate groove is arranged in the middle of the inside of the mounting block, a glass sheet mounting groove and four first mounting threaded holes are arranged on the inner wall of the cover plate groove, and a second mounting threaded hole is arranged on the inner wall of the glass sheet mounting groove. A limiting cover plate is installed in the cover plate groove, an emission hole is formed in the middle of the interior of the limiting cover plate, third screw holes are formed in the four corners of the interior of the limiting cover plate, first installation bolts are arranged in the third screw holes in a penetrating mode, and a photoelectric switch body is arranged in the second installation screw holes in a penetrating mode. According to the utility model, the blind area position of the photoelectric switch body is occupied by arranging the glass sheet, so that some detected objects cannot enter the blind area range of the photoelectric switch body, the situation that the detected objects enter the blind area range of the photoelectric switch body and cannot be detected is avoided, and the normal use of the infrared photoelectric switch is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to photoelectric switch technical field, concretely is infrared photoelectric switch. BACKGROUND

[0002] The infrared photoelectric switch is a kind of infrared modulation type nondestructive testing photoelectric sensor;It uses high-efficiency infrared emitting diode and photosensitive triode as photoelectric conversion element, and the working mode has coaxial reflection type and against shot type two, and the power supply has alternating current and direct current two;The detection distance of infrared photoelectric switch is 0·05-10m, and there is sensitivity adjustment and delay before and after action etc.;The application of infrared photoelectric switch on agricultural machinery significantly improves the operation efficiency and operation quality, reduces the labor cost and resource waste, is the important technical means of modern agricultural mechanization, and is usually punched on the shell of agricultural machinery when installing, and infrared photoelectric switch is inserted and fixed with nut.

[0003] China authorized announcement No.CN213693662U discloses the technical field of infrared switch, in particular to a kind of infrared photoelectric induction switch of being convenient to install, it is convenient to install infrared photoelectric induction switch by being set up, it is simultaneously convenient to adjust the angle and height of infrared photoelectric induction switch, improve convenience;Including mounting seat, multiple groups of foundation bolts, vertical rod, shaft sleeve, butterfly bolt, connecting seat, pivot, connecting plate, longitudinal moving device, mounting plate and infrared photoelectric induction switch, mounting seat is equipped with multiple groups of threaded holes, multiple groups of foundation bolts are respectively passed through the multiple groups of threaded holes of mounting seat, vertical rod bottom end and mounting seat top end fixed connection, shaft sleeve is slidably covered on vertical rod, shaft sleeve left end is equipped with boss, boss is equipped with threaded hole passing through shaft sleeve left end, butterfly bolt is screwed in threaded hole, connecting seat is fixedly installed in shaft sleeve right end, pivot left end and connecting seat rotationally connect, connecting plate left end and pivot right end fixed connection, longitudinal moving device is installed in connecting plate right end.

[0004] The existing infrared photoelectric switch is mostly followed by agricultural machinery in field work, and the detection object in the field is mostly crop, these detection objects have the risk of adhering to the infrared photoelectric switch, and the infrared photoelectric switch has a certain blind area, if these detection objects adhere to the blind area, the infrared photoelectric switch cannot be detected, and it will also affect the subsequent detection work, and the infrared photoelectric switch is used outdoors in the field, and there is more water mist, which is easy to form water mist on the emission end of the infrared photoelectric switch, affect the work of the infrared photoelectric switch, and the bolt mounting mode between the infrared photoelectric switch and agricultural machinery is unstable, therefore, we propose a kind of infrared photoelectric switch. UTILITY MODEL CONTENT

[0005] The utility model discloses a purpose lies in providing an infrared photoelectric switch to solve the problem that the existing infrared photoelectric switch is mostly followed by agricultural machinery working in the field, and the detection objects in the field are mostly crops, these detection objects have the risk of adhering to the infrared photoelectric switch, the infrared photoelectric switch also has a certain blind area, if these detection objects adhere to the blind area, the infrared photoelectric switch cannot detect, and it will also affect the subsequent detection work, and at the same time, the infrared photoelectric switch is used in the field outdoor, and there are more water mists, which can form water mists in the emission end of the infrared photoelectric switch, affect the work of the infrared photoelectric switch, and the bolt mounting mode between the infrared photoelectric switch and the agricultural machinery is unstable.

[0006] To realize the above-mentioned purpose, the utility model provides the following technical scheme: an infrared photoelectric switch, including the mounting block, the inside middle part of mounting block is equipped with the cover plate groove, the inner wall of cover plate groove is equipped with glass sheet installation groove and four first installation screw holes, the inner wall of glass sheet installation groove is equipped with second installation screw hole, the inside of cover plate groove is installed with the limit cover plate, the inside middle part of limit cover plate is equipped with the emission hole, the inside four corners of limit cover plate are equipped with third screw hole, first installation bolt is arranged in the inside of third screw hole, the inside of second installation screw hole is arranged with photoelectric switch body, the outer surface of photoelectric switch body is provided with external thread, the left side of limit cover plate is installed with third sealing washer, the left side of third sealing washer is provided with agricultural machinery shell plate, the left side of agricultural machinery shell plate is provided with the limit board, the inside middle part of limit board is equipped with the through -hole, the four corners of limit board are equipped with second screw hole, second installation bolt is arranged in the inside of second screw hole, the left side of limit board is installed with the mounting nut.

[0007] Glass sheet, install in the inside of glass sheet installation groove, the right side of glass sheet is installed with first sealing washer, the left side of glass sheet is installed with second sealing washer.

[0008] Preferably, the diameter size of the glass sheet installation groove is greater than the diameter size of the emission hole, and the diameter size of the glass sheet installation groove is consistent with the diameter size of the glass sheet.

[0009] Preferably, the glass sheet is closely attached to the first sealing washer, the first sealing washer is closely attached to the glass sheet installation groove, the glass sheet is closely attached to the second sealing washer, and the second sealing washer is closely attached to the glass sheet installation groove, and the glass sheet is detachably connected to the glass sheet installation groove through the first sealing washer and the second sealing washer.

[0010] Preferably, the limit cover plate is detachably connected to the cover plate groove through the first installation bolt, the third screw hole and the first installation screw hole, and the limit cover plate is closely attached to the second sealing washer.

[0011] Preferably, the photoelectric switch body is screwed with the second mounting screw hole through external threads.

[0012] Preferably, the photoelectric switch body penetrates the mounting nut, the through hole, the agricultural machine shell plate and the interior of the third sealing washer in sequence, the mounting nut is screwed with the photoelectric switch body through external threads, and the third sealing washer is tightly attached to the limiting cover plate, and the limiting plate is bolted with the agricultural machine shell plate through the second mounting bolt and the second screw hole.

[0013] Preferably, the mounting block is further provided with:

[0014] The first screw hole is arranged at the interior four sides of the mounting block, and the third mounting bolt is arranged in the interior of the first screw hole.

[0015] Compared with the prior art, the infrared photoelectric switch has the following beneficial effects:

[0016] 1. The glass sheet occupies the blind area position of the photoelectric switch body, so that the detection object cannot enter the blind area range of the photoelectric switch body, and the situation that the detection object enters the blind area range of the photoelectric switch body and cannot be detected does not occur, thereby ensuring normal use of the infrared photoelectric switch.

[0017] 2. The glass sheet is clamped by the first sealing washer and the second sealing washer, which plays a protective role for the glass sheet and avoids damage to the glass sheet, and cooperates with the third sealing washer to play a sealing role, thereby avoiding water from entering the interior of the mounting block to cause water mist in the emission end of the photoelectric switch body and affect the working effect of the photoelectric switch body.

[0018] 3. The infrared photoelectric switch is installed on the agricultural machine shell plate through the second mounting bolt, the limiting plate, the first screw hole and the third mounting bolt, so that the installation of the infrared photoelectric switch and the agricultural machine is more stable. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a photoelectric switch and agricultural machine shell plate connection structure schematic view of the utility model;

[0020] Figure 2 It is an explosion structure schematic view of the utility model;

[0021] Figure 3 It is a limiting plate and agricultural machine shell plate connection structure schematic view of the utility model;

[0022] Figure 4 It is a cross section structure schematic view of the utility model Figure 1 ;

[0023] Figure 5 A photoelectric switch structure schematic view of the utility model is shown in the figure.

[0024] Figure 6 A photoelectric switch structure schematic view of the utility model is shown in the figure. Figure 5 A photoelectric switch structure schematic view of the utility model is shown in the figure.

[0025] In the figure: 1, mounting block; 2, mounting nut; 3, photoelectric switch body; 4, transmitting hole; 5, limiting cover plate; 6, cover plate groove; 7, first mounting bolt; 8, first mounting threaded hole; 9, first sealing washer; 10, glass sheet; 11, glass sheet mounting groove; 12, second sealing washer; 13, second mounting threaded hole; 14, third sealing washer; 15, external thread; 16, second mounting bolt; 17, limiting plate; 18, agricultural machinery shell plate; 19, through hole; 20, first screw hole; 21, third mounting bolt; 22, second screw hole; 23, third screw hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Embodiment one, please refer to Figures 1-4An infrared photoelectric switch, comprising a mounting block 1, a cover plate slot 6 is opened in the middle of the interior of the mounting block 1, a glass sheet mounting slot 11 and four first mounting threaded holes 8 are opened in the inner wall of the cover plate slot 6, a first screw hole 20 is opened at the four edges of the interior of the mounting block 1, a third mounting bolt 21 is threaded in the interior of the first screw hole 20, a second mounting threaded hole 13 is opened in the inner wall of the glass sheet mounting slot 11, a limiting cover plate 5 is mounted in the interior of the cover plate slot 6, an emitting hole 4 is opened in the middle of the interior of the limiting cover plate 5, a third screw hole 23 is opened at the four corners of the interior of the limiting cover plate 5, a first mounting bolt 7 is threaded in the interior of the third screw hole 23; the shape and size of the limiting cover plate 5 are consistent with the shape and size of the interior of the cover plate slot 6, and the limiting cover plate 5 is detachably connected with the cover plate slot 6 through the first mounting bolt 7, the third screw hole 23 and the first mounting threaded hole 8, a photoelectric switch body 3 is threaded in the interior of the second mounting threaded hole 13, and an external thread 15 is arranged on the outer surface of the photoelectric switch body 3; the photoelectric switch body 3 is threadedly connected with the second mounting threaded hole 13 through the external thread 15, a third sealing gasket 14 is mounted on the left side of the limiting cover plate 5, an agricultural machinery shell plate 18 is arranged on the left side of the third sealing gasket 14, a limiting plate 17 is arranged on the left side of the agricultural machinery shell plate 18, a through hole 19 is opened in the middle of the interior of the limiting plate 17, a second screw hole 22 is opened at the four corners of the limiting plate 17, a second mounting bolt 16 is threaded in the interior of the second screw hole 22, and a mounting nut 2 is mounted on the left side of the limiting plate 17; the photoelectric switch body 3 is sequentially threaded in the interior of the mounting nut 2, the through hole 19, the agricultural machinery shell plate 18 and the third sealing gasket 14, the mounting nut 2 is threadedly connected with the photoelectric switch body 3 through the external thread 15, the third sealing gasket 14 is closely attached to the limiting cover plate 5, and the limiting plate 17 is boltedly connected with the agricultural machinery shell plate 18 through the second mounting bolt 16 and the second screw hole 22; the infrared photoelectric switch is mounted on the agricultural machinery shell plate 18 through the second mounting bolt 16 and the limiting plate 17 and the first screw hole 20 and the third mounting bolt 21, so that the mounting of the infrared photoelectric switch and the agricultural machinery is more stable; a glass sheet 10 is mounted in the interior of the glass sheet mounting slot 11; the diameter size of the glass sheet mounting slot 11 is greater than the diameter size of the emitting hole 4, and the diameter size of the glass sheet mounting slot 11 is consistent with the diameter size of the glass sheet 10, a first sealing gasket 9 is mounted on the right side of the glass sheet 10, and a second sealing gasket 12 is mounted on the left side of the glass sheet 10; the glass sheet 10 is closely attached to the first sealing gasket 9, the first sealing gasket 9 is closely attached to the glass sheet mounting slot 11, the glass sheet 10 is closely attached to the second sealing gasket 12, the second sealing gasket 12 is closely attached to the glass sheet mounting slot 11, the glass sheet 10 is detachably connected with the glass sheet mounting slot 11 through the first sealing gasket 9 and the second sealing gasket 12, and the limiting cover plate 5 is closely attached to the second sealing gasket 12.The blind area position of the photoelectric switch body 3 is occupied by the glass sheet 10, so that some detection objects cannot enter the blind area range of the photoelectric switch body 3, and the situation that the detection objects enter the blind area range of the photoelectric switch body 3 and cannot be detected does not occur, thereby ensuring normal use of the infrared photoelectric switch; the glass sheet 10 is clamped by the first sealing washer 9 and the second sealing washer 12, which plays a protective role for the glass sheet 10, avoids damage of the glass sheet 10 caused by clamping, and cooperates with the third sealing washer 14 to play a sealing role, avoids water from entering the inside of the mounting block 1 to cause water mist in the emission end of the photoelectric switch body 3, and affects the working effect of the photoelectric switch body 3.

[0028] Embodiment two, please refer to Figure 5 and Figure 6 An infrared photoelectric switch, comprising a mounting block 1, a third sealing washer 14 is installed on the left side of the mounting block 1, a mounting nut 2 is installed on the left side of the third sealing washer 14, a photoelectric switch body 3 penetrates the inside of the mounting nut 2 and the third sealing washer 14 in sequence, the mounting nut 2 is threadedly connected with the photoelectric switch body 3 through external threads 15, the photoelectric switch body 3 is threadedly connected with the second mounting threaded hole 13 through the external threads 15, the third sealing washer 14 is closely attached to the mounting block 1, and the third sealing washer 14 is closely attached to the mounting nut 2, when the infrared photoelectric switch does not need to be installed on the agricultural machinery shell body plate 18 of the agricultural machinery, the limiting plate 17 is disassembled, the mounting nut 2 is directly tightened, the third sealing washer 14 is closely attached to the mounting block 1, and the infrared photoelectric switch can be used on other equipment.

[0029] Working principle: when using the infrared photoelectric switch, first, the infrared photoelectric switch does not need to be installed on the agricultural machinery shell plate 18, the first sealing washer 9 is put into the glass sheet mounting groove 11, then the glass sheet 10 is put into the glass sheet mounting groove 11, then the second sealing washer 12 is put into the glass sheet mounting groove 11, then the limiting cover plate 5 is put into the cover plate groove 6, then the first mounting bolt 7 is inserted into the third screw hole 23 and screwed into the first mounting threaded hole 8, the limiting cover plate 5 is installed in the cover plate groove 6, the limiting cover plate 5 provides an extrusion force to the second sealing washer 12, and the second sealing washer 12 and the first sealing washer 9 cooperate to clamp and fix the glass sheet 10, secondly, the photoelectric switch body 3 is passed through the mounting nut 2 and the third sealing washer 14, the mounting nut 2 is screwed onto the photoelectric switch body 3 through the external thread 15, then the external thread 15 is screwed into the second mounting threaded hole 13, then the mounting nut 2 is tightened, the mounting nut 2 pushes the third sealing washer 14 to move towards the limiting cover plate 5 and tightly abuts against the limiting cover plate 5, and the installation of the infrared photoelectric switch is completed, when in use, the infrared ray emitted by the photoelectric switch body 3 passes through the glass sheet 10 and the emission hole 4 to work, wherein the photoelectric switch body 3 (model: CDR-10X) is a prior art, and an M18 series circular photoelectric switch is used, finally, when a detection object is adhered to the right end face of the mounting block 1, the photoelectric switch body 3 can detect the existence of the detection object and make an alarm reaction, when the infrared photoelectric switch is installed on the agricultural machinery shell plate 18, a hole corresponding to the photoelectric switch body 3 is first punched on the installation position of the agricultural machinery shell plate 18, and threaded holes corresponding to the second mounting bolt 16 and the third mounting bolt 21 are punched around the hole, then the left end of the photoelectric switch body 3 is passed through the hole, then the limiting plate 17 and the mounting nut 2 are sequentially sleeved on the photoelectric switch body 3, the mounting nut 2 is tightened, the limiting plate 17 is tightly abutted against the agricultural machinery shell plate 18, and then the third sealing washer 14 is tightly abutted against the agricultural machinery shell plate 18 and the limiting cover plate 5, and then the second mounting bolt 16 and the third mounting bolt 21 are screwed into the corresponding threaded holes punched in advance, and the infrared photoelectric switch is installed on the agricultural machinery, wherein the agricultural machinery shell plate 18 is a shell part or a photoelectric switch installation part of the agricultural machinery, which is the working principle of the infrared photoelectric switch.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An infrared photoelectric switch characterized in that, The installation block (1) is internally provided with a cover plate groove (6), the inner wall of the cover plate groove (6) is provided with a glass sheet installation groove (11) and four first installation threaded holes (8), the inner wall of the glass sheet installation groove (11) is provided with a second installation threaded hole (13), the inside of the cover plate groove (6) is provided with a limiting cover plate (5), the inside of the limiting cover plate (5) is internally provided with a emitting hole (4), the inside of the limiting cover plate (5) is provided with a third threaded hole (23) at the four corners, the first installation bolt (7) is arranged in the third threaded hole (23), the photoelectric switch body (3) is arranged in the second installation threaded hole (13), the photoelectric switch body (3) is provided with an external thread (15) on the outer surface, the third sealing gasket (14) is arranged on the left side of the limiting cover plate (5), the agricultural machinery shell plate (18) is arranged on the left side of the third sealing gasket (14), the limiting plate (17) is arranged on the left side of the agricultural machinery shell plate (18), the limiting plate (17) is internally provided with a through hole (19) in the middle, the second threaded hole (22) is arranged at the four corners of the limiting plate (17), the second installation bolt (16) is arranged in the second threaded hole (22), the installation nut (2) is arranged on the left side of the limiting plate (17). The glass sheet (10) is arranged in the glass sheet installation groove (11), the first sealing gasket (9) is arranged on the right side of the glass sheet (10), and the second sealing gasket (12) is arranged on the left side of the glass sheet (10). The diameter of the glass sheet installation groove (11) is larger than the diameter of the emitting hole (4), and the diameter of the glass sheet installation groove (11) is consistent with the diameter of the glass sheet (10).

2. An infrared photoelectric switch according to claim 1, characterized in that The glass sheet (10) is tightly attached to the first sealing gasket (9), the first sealing gasket (9) is tightly attached to the glass sheet installation groove (11), the glass sheet (10) is tightly attached to the second sealing gasket (12), and the second sealing gasket (12) is tightly attached to the glass sheet installation groove (11), and the glass sheet (10) is detachably connected to the glass sheet installation groove (11) through the first sealing gasket (9) and the second sealing gasket (12).

3. An infrared photoelectric switch according to claim 1, wherein The shape and size of the limiting cover plate (5) are consistent with the shape and size of the cover plate groove (6), the limiting cover plate (5) is detachably connected to the cover plate groove (6) through the first installation bolt (7), the third threaded hole (23) and the first installation threaded hole (8), and the limiting cover plate (5) is tightly attached to the second sealing gasket (12).

4. An infrared photoelectric switch according to claim 1, wherein The photoelectric switch body (3) is threadedly connected to the second installation threaded hole (13) through the external thread (15).

5. An infrared photoelectric switch according to claim 1, wherein ​ 6. An infrared photoelectric switch according to claim 1, wherein The photoelectric switch body (3) is sequentially penetrated in the inside of the mounting nut (2), the through hole (19), the agricultural machinery shell plate (18) and the third sealing washer (14), the mounting nut (2) is connected with the photoelectric switch body (3) through the external thread (15), and the third sealing washer (14) is tightly attached to the limiting cover plate (5), the limiting plate (17) is bolted with the agricultural machinery shell plate (18) through the second mounting bolt (16) and the second screw hole (22).

7. An infrared photoelectric switch according to claim 1, wherein The mounting block (1) is further provided with: The first screw hole (20) is arranged at the inside four edges of the mounting block (1), and the third mounting bolt (21) is arranged in the inside of the first screw hole (20).

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