A through-beam photoelectric sensor

Abstract

This utility model discloses a through-beam photoelectric sensor, including a transmitter, a receiver, and a mounting base. A first slider and a second slider are threaded in opposite directions within a groove on the mounting base via a lead screw. Positioning brackets are rotatably mounted on the first and second sliders via a connecting seat and a support shaft. A positioning plate is longitudinally inserted into the upper part of the positioning bracket via a locking bracket, and one end of the locking bracket is threadedly connected to a locking bolt on the positioning bracket. The transmitter and receiver are laterally inserted into the two positioning brackets and positioned by the positioning plate. In use, the mounting base is fixed to the testing station using a mounting plate and screws. Then, the transmitter and receiver of the through-beam sensor are laterally inserted into the two positioning brackets and positioned by the positioning plate, achieving rapid installation and fixation of the photoelectric sensor. Furthermore, the installation and fixation are highly stable, and disassembly and assembly are convenient and quick.

Description

Technical Field

[0001] This utility model relates to the field of sensor technology, specifically a through-beam photoelectric sensor. Background Technology

[0002] A through-beam photoelectric sensor is a sensor consisting of a transmitter and a receiver. The transmitter emits a light beam, and the receiver receives the light signal. It features high photoelectric conversion efficiency, a wide spectral range, good frequency characteristics, and low noise. It has been widely used in photoelectric readout, photoelectric coupling, grating ranging, laser collimation, movie sound reproduction, ultraviolet monitors, and flameout protection devices for gas turbines.

[0003] The prior art, patent application number 202420108935.0, describes a through-beam photoelectric sensor, which includes a transmitter and a receiver arranged opposite to each other. The transmitter includes a first housing, an infrared emitting module, a laser emitting module, and a first control circuit board. The infrared emitting module and the laser emitting module are electrically connected to the first control circuit board. The infrared emitting module is used to emit infrared light along a first direction. This invention facilitates the adjustment and alignment of the transmitter and receiver, effectively improving the stability and installation reliability of the through-beam photoelectric sensor. However, it is not convenient for the rapid installation and fixing of the photoelectric sensor, and the stability of the installation and fixing is low, making disassembly and assembly inconvenient. Utility Model Content

[0004] The purpose of this invention is to provide a through-beam photoelectric sensor to solve the problems in the prior art where it is inconvenient to quickly install and fix the photoelectric sensor, and where the stability of the installation and fixation is low and disassembly and assembly are inconvenient.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a through-beam photoelectric sensor, including a transmitter, a receiver, and a mounting base. A first slider and a second slider are threaded onto a groove on the upper side of the mounting base via a lead screw. A positioning bracket is rotatably mounted on the upper side of the first and second sliders via a connecting seat and a support shaft. A second positioning bolt is threaded onto the side wall of the connecting seat. A positioning pressure plate is longitudinally inserted into the upper part of the positioning bracket via a locking bracket, and one end of the locking bracket is threadedly connected to the locking bolt on the upper part of the positioning bracket. The transmitter and receiver are laterally inserted into the two positioning brackets and positioned by the positioning pressure plate.

[0006] Furthermore, the lead screw is rotatably disposed in a groove on the upper side of the mounting base, and a guide rod is also provided in the groove to slide with the first slider and the second slider.

[0007] Furthermore, one end of the lead screw is provided with an adjustment handle, and the adjustment handle is threaded with a first positioning bolt.

[0008] Furthermore, the mounting base has mounting plates at both ends, and the mounting plates have mounting holes inside.

[0009] Furthermore, the upper wall of the positioning bracket is provided with a limiting sliding hole, and the lower wall of the locking bracket is slidably configured with respect to the limiting sliding hole.

[0010] Furthermore, one end of the locking bolt is vertically rotated and mounted on the upper wall of the positioning bracket via a bearing, and the positioning bracket is provided with a rectangular frame.

[0011] Furthermore, the lower side of the positioning plate is provided with multiple anti-slip ribs, and the positioning plate is arranged parallel to the upper wall of the transmitter and receiver.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This utility model features a positioning plate that is longitudinally inserted into the upper part of the positioning bracket via a locking bracket, and one end of the locking bracket is threadedly connected to the locking bolt on the upper part of the positioning bracket. The mounting base is fixed to the testing station by the mounting plate and screws. Then, the transmitter and receiver of the through-beam sensor are horizontally inserted into the two positioning brackets and positioned by the positioning plate, thus achieving rapid installation and fixation of the photoelectric sensor. Moreover, the installation and fixation are highly stable and easy to assemble and disassemble.

[0014] In this invention, a first slider and a second slider are provided in the slide groove on the upper side of the mounting base through a screw thread facing each other. Two positioning brackets are respectively installed on the first slider and the second slider, so that the first slider and the second slider can be moved towards each other by rotating the screw, thereby adjusting the distance between the transmitter and the receiver, thus meeting the detection and processing needs of different installation distances, and the adjustment is convenient and quick.

[0015] In this invention, the upper sides of the first and second sliders are provided with positioning brackets via connecting seats and support shafts. The side wall of the connecting seat is threaded with a second positioning bolt, so that the positioning bracket can be adjusted to rotate horizontally relative to the slider and fixed by the second positioning bolt, thereby adjusting the horizontal operating angle of the transmitter or receiver. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of the overall installation structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the positioning bracket structure of this utility model;

[0019] Figure 3This is a schematic diagram of the receiver structure of this utility model.

[0020] In the diagram: 1. Mounting base; 2. Transmitter; 3. Receiver; 4. Lead screw; 5. Second positioning bolt; 6. First slider; 7. Connecting seat; 8. Support shaft; 9. Positioning bracket; 10. Locking bracket; 11. Locking bolt; 12. Bearing; 13. Limiting sliding hole; 14. Positioning pressure plate; 15. Anti-slip rib; 16. Second slider; 17. Adjusting handle; 18. First positioning bolt; 19. Mounting plate; 20. Mounting hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1 , Figure 2 , Figure 3 In this embodiment of the utility model, a through-beam photoelectric sensor includes a transmitter 2, a receiver 3, and a mounting base 1. The mounting base 1 has mounting plates 19 at both ends, and mounting holes 20 inside the mounting plates 19 to facilitate the installation and fixation of the two ends of the mounting base 1. The upper side of the mounting base 1 has two positioning brackets 9, and the side wall of the connecting base 7 is threaded with a second positioning bolt 5, so that the positioning brackets 9 can be adjusted horizontally relative to the slider and fixed by the second positioning bolt 5, thereby adjusting the horizontal use angle of the transmitter 2 or the receiver 3. The upper part of the positioning bracket 9 is longitudinally inserted with a positioning pressure plate 14 through a locking bracket 10, and one end of the locking bracket 10 is threadedly connected to the locking bolt 11 on the upper part of the positioning bracket 9. One end of the locking bolt 11 is vertically rotated and set on the upper wall of the positioning bracket 9 through a bearing 12. The positioning bracket 9 has a rectangular frame. The transmitter 2 and the receiver 3 are horizontally inserted into the two positioning brackets 9 and positioned by the positioning pressure plate 14, realizing the rapid installation and fixation of the photoelectric sensor. Moreover, the installation and fixation stability is high, and the disassembly and assembly are convenient and quick.

[0023] like Figure 1 and Figure 2As shown, in order to meet the testing needs of different installation distances, a first slider 6 and a second slider 16 are threaded in opposite directions within the slide groove via a lead screw 4. The lower end connecting seats 7 and support shafts 8 of the two positioning brackets 9 are rotatably mounted on the first slider 6 and the second slider 16, respectively. The lead screw 4 is rotatably mounted in the slide groove on the upper side of the mounting base 1, and a guide rod that slides with the first slider 6 and the second slider 16 is also provided in the slide groove. One end of the lead screw 4 is provided with an adjusting handle 17, and a first positioning bolt 18 is threaded on the adjusting handle 17. This allows the first slider 6 and the second slider 16 to move in opposite directions and be adjusted by rotating the lead screw 4, thereby adjusting the distance between the transmitter 2 and the receiver 3, thus meeting the testing needs of different installation distances. The adjustment is convenient and quick.

[0024] like Figure 1 and Figure 2 As shown, in order to improve the stability of the lifting and lowering adjustment of the positioning plate 14, a limiting sliding hole 13 is provided on the upper wall of the positioning bracket 9, and the lower wall of the locking bracket 10 is slidably set with the limiting sliding hole 13, which is used to guide the lifting and lowering adjustment of the positioning bracket 9, which is beneficial to improve the stability of the lifting and lowering adjustment of the positioning plate 14 at the lower end of the positioning bracket 9.

[0025] like Figure 2 As shown, in order to increase the anti-slip properties of the lower side of the positioning plate 14, multiple anti-slip ribs 15 are provided on the lower side of the positioning plate 14, and the positioning plate 14 is arranged parallel to the upper wall of the transmitter 2 and the receiver 3, which facilitates the improvement of the stability of the positioning plate 14 in pressing and fixing.

[0026] The working principle and usage process of this utility model are as follows: When in use, the mounting base 1 is fixed to the detection station by the mounting plate 19 and screws. Then, the transmitter 2 and receiver 3 of the through-beam sensor are horizontally inserted into the two positioning brackets 9 and pressed and positioned by the positioning pressure plate 14, so as to realize the quick installation and fixation of the photoelectric sensor. Moreover, the installation and fixation are highly stable and the disassembly and assembly are convenient and quick.

[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A through-beam photoelectric sensor, comprising a transmitter (2), a receiver (3), and a mounting base (1), characterized in that: The mounting base (1) has a first slider (6) and a second slider (16) threaded in opposite directions through a screw rod (4) in the groove on the upper side. The first slider (6) and the second slider (16) are rotatably provided with a positioning bracket (9) through a connecting seat (7) and a support shaft (8) on the upper side. The positioning bracket (9) has a positioning pressure plate (14) longitudinally inserted into the upper part through a locking bracket (10), and one end of the locking bracket (10) is threadedly connected to the locking bolt (11) on the upper part of the positioning bracket (9). The transmitter (2) and the receiver (3) are horizontally inserted into the two positioning brackets (9) and positioned by the positioning pressure plate (14).

2. The through-beam photoelectric sensor according to claim 1, characterized in that: The lead screw (4) is rotatably disposed in the groove on the upper side of the mounting base (1), and the groove is also provided with a guide rod that is slidably disposed with the first slider (6) and the second slider (16).

3. A through-beam photoelectric sensor according to claim 2, characterized in that: The lead screw (4) is provided with an adjustment handle (17) at one end, and a first positioning bolt (18) is threaded on the adjustment handle (17).

4. A through-beam photoelectric sensor according to claim 2, characterized in that: The mounting base (1) has mounting plates (19) at both ends, and mounting holes (20) are provided inside the mounting plates (19).

5. A through-beam photoelectric sensor according to claim 1, characterized in that: The upper wall of the positioning bracket (9) is provided with a limiting sliding hole (13), and the lower wall of the locking bracket (10) is slidably set with the limiting sliding hole (13).

6. A through-beam photoelectric sensor according to claim 1, characterized in that: One end of the locking bolt (11) is vertically rotated and mounted on the upper wall of the positioning bracket (9) via a bearing (12), and the positioning bracket (9) is provided with a rectangular frame.

7. A through-beam photoelectric sensor according to claim 1, characterized in that: The positioning plate (14) is provided with multiple anti-slip ribs (15) on its lower side, and the positioning plate (14) is arranged parallel to the upper wall of the transmitter (2) and receiver (3).

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