Groove type multipath photoelectric switch

Abstract

The utility model discloses a groove type multipath photoelectric switch, which belongs to the technical field of photoelectric switches, and comprises a photoelectric switch main body, the photoelectric switch main body comprises an outer shell, the upper surface and the lower surface of the outer shell are provided with mounting racks, the mounting racks are provided with mounting holes, the side surface of the outer shell is detachably provided with a protective cover I, and the protective cover I is provided with a protective cover II. The outer shell is of a U-shaped structure, six transmitting and receiving tubes are arranged in the U-shaped structure, every three of the six transmitting and receiving tubes form a group, every two groups of the six transmitting and receiving tubes are oppositely arranged, and the three transmitting and receiving tubes on one side are specifically transmitting tubes; a plurality of transmitting and receiving tubes are arranged, the positions of the transmitting and receiving tubes located on the two sides are movably designed, position adjustment is achieved through rotation of a bidirectional lead screw in cooperation with movement of a threaded block, then position adjustment and use can be conducted according to actual detection requirements, the monitoring range can be effectively adjusted, and the use universality can be improved; and operation and adjustment are convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of photoelectric switches, and particularly relates to a slot-type multi-channel photoelectric switch. Background Technique

[0002] The slot-type photoelectric switch is actually a kind of opposed photoelectric switch, also called U-shaped photoelectric switch. It is an infrared induction photoelectric product composed of an infrared emitting tube and an infrared receiving tube.

[0003] Chinese Patent (Publication No.: CN220858084U) relates to a slot-type multi-channel photoelectric switch. A slot-type multi-channel photoelectric switch includes a housing, and also includes an upward emitting tube, an upward receiving tube, a downward emitting tube, a downward receiving tube, a parallel emitting tube, a parallel receiving tube, and a control board; the optical axes Ⅰ of the upward emitting tube and the upward receiving tube are inclined upward, the optical axes Ⅱ of the downward emitting tube and the downward receiving tube are inclined downward, the optical axes Ⅲ of the parallel emitting tube and the parallel receiving tube are horizontally emitted, and the optical axes Ⅰ, Ⅱ, and Ⅲ intersect at one point. There are three pairs of infrared emitting tubes and receiving tubes provided on both sides of the U-shaped groove. When the photoelectric switch works, three optical axes are formed simultaneously, and the three optical axes greatly expand the detection range and effectively avoid missed detection.

[0004] However, during use, the positions of the upward emitting tube, the upward receiving tube, the downward emitting tube, and the downward receiving tube are all fixedly designed, so the inclination angles of the optical axes are all fixed, and thus the detection range is fixed, which is subject to certain limitations and cannot be adjusted adaptively for use. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a slot-type multi-channel photoelectric switch to solve the problem proposed in the above background technique that during use, the positions of the upward emitting tube, the upward receiving tube, the downward emitting tube, and the downward receiving tube are all fixedly designed, so the inclination angles of the optical axes are all fixed, and thus the detection range is fixed, which is subject to certain limitations and cannot be adjusted adaptively for use.

[0006] To achieve the above object, the present utility model provides the following technical solution: a trough-type multi-channel photoelectric switch, including a photoelectric switch main body, the photoelectric switch main body includes an outer housing, mounting brackets are installed on both the upper surface and the lower surface of the outer housing, the mounting brackets are provided with mounting holes, a protective cover one is detachably installed on the side surface of the outer housing, the outer housing is of a U-shaped structure and six transmitting and receiving tubes are arranged inside the U-shaped structure, the six transmitting and receiving tubes are grouped in three and two groups are arranged oppositely, the three transmitting and receiving tubes on one side are specifically transmitting tubes, the three transmitting and receiving tubes on the other side are specifically receiving tubes, one of the transmitting and receiving tubes in a group located at the middle position is fixed on the outer housing, and the other two transmitting and receiving tubes are symmetrically and movably arranged on both sides of the transmitting and receiving tube at the middle position, four rotating shafts are rotatably installed on the inner wall of the outer housing, a bidirectional lead screw is fixedly installed between the two rotating shafts on the same side, a motor is fixedly installed on the side surface of the outer housing, the motor is used in cooperation with the two rotating shafts at the same side position, threaded blocks are threadedly installed on the outer surfaces of the two threaded sections of the bidirectional lead screw, a connecting block is fixedly installed on the side surface of the threaded block, the connecting block passes through a channel opened on the side surface of the outer housing and is fixedly connected to the corresponding transmitting and receiving tube, a non-slip operation plate one is fixedly installed on the upper surface of the protective cover one, a non-slip operation plate two is fixedly installed on the upper surface of the litigation protective cover two, a transparent glass plate is installed on the protective cover two, and the two transparent glass plates are arranged oppositely.

[0007] With the above scheme, by setting a plurality of transmitting and receiving tubes, and the positions of the transmitting and receiving tubes on both sides are designed to be movable, the position adjustment is realized through the rotation of the bidirectional lead screw in cooperation with the movement of the threaded block, and then the position adjustment can be carried out according to the actual detection requirements, the monitoring range can be effectively adjusted, the universality of use can be improved, and the operation adjustment is convenient. By setting the protective cover one for use, the motor, belt pulley and belt can be isolated and protected. By setting the protective cover two in cooperation with the transparent glass plate, the transmitting and receiving tubes can be effectively isolated and protected on the premise of ensuring the normal operation of the transmitting and receiving tubes, and a good protective effect is achieved. Moreover, both the protective cover one and the protective cover two can be disassembled and assembled conveniently, which is convenient for maintenance and repair.

[0008] In the above scheme, it should be noted that the motor and the transmitting and receiving tubes are both electrically connected to an external power supply.

[0009] As a preferred embodiment, a plurality of guide rods are fixedly installed on the inner wall of the outer housing, and the threaded blocks are slidably installed on the outer surfaces of the plurality of guide rods.

[0010] With the above scheme, when the bidirectional lead screw rotates to drive the threaded block to move, the threaded block will slide on the surface of the guide rod. Therefore, the guide rod can be used to support and limit the movement of the threaded block, and the movement smoothness is improved.

[0011] As a preferred embodiment, pulley wheels are fixedly installed on the outer surfaces of the two rotating shafts on the same side as the motor and on the outer surface of the output shaft of the motor. A belt is drivingly connected between adjacent pulley wheels, and the pulley wheels, the belt, and the motor are all located inside the first protective cover.

[0012] With the above solution, the motor is used in cooperation with the pulley wheels and the belt, enabling the rotating shafts on both sides to rotate synchronously, thereby driving the two-way lead screws on both sides to rotate synchronously, and thus realizing the synchronous movement adjustment of the positions of the transmitting and receiving tubes on both sides.

[0013] As a preferred embodiment, an elastic insertion plate is fixedly installed on the side surface of the first protective cover, and an elastic insertion slot for inserting the elastic insertion plate is provided on the surface of the outer housing.

[0014] With the above solution, by inserting the elastic insertion plate into the elastic insertion slot, the convenient alignment and assembly operation of the first protective cover is realized.

[0015] As a preferred embodiment, an L-shaped insertion plate is fixedly installed on the side surface of the second protective cover, and an L-shaped insertion slot for inserting the L-shaped insertion plate is provided on the side surface of the outer housing.

[0016] With the above solution, by inserting the L-shaped insertion plate into the L-shaped insertion slot, the alignment and assembly operation of the second protective cover is realized, and the assembly is convenient and the alignment is easy.

[0017] As a preferred embodiment, a first clamping ball is fixedly installed on the side surface of the elastic insertion plate, and a second clamping ball is fixedly installed on the side surface of the L-shaped insertion plate. A first clamping groove for clamping the first clamping ball is provided on the inner wall of the elastic insertion slot, and a second clamping groove for clamping the second clamping ball is provided on the inner wall of the L-shaped insertion slot.

[0018] With the above solution, by clamping the first clamping ball into the first clamping groove, the locking and limiting after the assembly of the first protective cover is realized, and by clamping the second clamping ball into the second clamping groove, the locking and limiting after the assembly of the second protective cover is realized.

[0019] Compared with the prior art, the beneficial effects of the present utility model are:

[0020] By arranging a plurality of transmitting and receiving tubes in this grooved multi-channel photoelectric switch, and the positions of the transmitting and receiving tubes on both sides are designed to be movable, the position adjustment is realized through the rotation of the two-way lead screw in cooperation with the movement of the threaded block. Furthermore, the position can be adjusted according to the actual detection requirements, the monitoring range can be effectively adjusted, the universality of use can be improved, and the operation and adjustment are convenient;

[0021] The grooved multi-channel photoelectric switch can isolate the motor, pulley and belt by using the first protective cover in cooperation. By using the second protective cover in cooperation with the transparent glass plate, the transmitting and receiving tubes can be effectively isolated and protected on the premise of ensuring the normal operation of the transmitting and receiving tubes, achieving a good protective effect. Moreover, both the first protective cover and the second protective cover can be disassembled and assembled conveniently, which is convenient for maintenance and repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a structural schematic diagram of the present utility model;

[0023] Figure 2 is an exploded schematic diagram of the outer shell and the first protective cover of the present utility model;

[0024] Figure 3 is an exploded schematic diagram of the outer shell and the second protective cover of the present utility model;

[0025] Figure 4 is a structural schematic diagram of the first protective cover of the present utility model;

[0026] Figure 5 is a structural schematic diagram of the second protective cover of the present utility model;

[0027] Figure 6 is a structural schematic diagram of the cross-section of the outer shell of the present utility model.

[0028] In the figure: 1, photoelectric switch main body; 2, outer shell; 3, mounting bracket; 4, first protective cover; 5, second protective cover; 6, transmitting and receiving tube; 7, rotating shaft; 8, bidirectional lead screw; 9, motor; 10, threaded block; 11, connecting block; 12, guide rod; 13, pulley; 14, belt; 15, first anti-slip operation plate; 16, elastic insertion plate; 17, first clamping ball; 18, L-shaped insertion plate; 19, second anti-slip operation plate; 20, second clamping ball; 21, transparent glass plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Please refer to Figure 1-6, the utility model provides a trough - type multi - path photoelectric switch, which includes a photoelectric switch main body 1. The photoelectric switch main body 1 includes an outer housing 2. Mounting frames 3 are installed on both the upper surface and the lower surface of the outer housing 2. The mounting frames 3 have mounting holes. A protective cover one 4 is detachably installed on the side surface of the outer housing 2. The outer housing 2 is in a U - shaped structure, and six transmitting and receiving tubes 6 are arranged inside the U - shaped structure. The six transmitting and receiving tubes 6 are grouped into three in a group, and the two groups are arranged oppositely. The three transmitting and receiving tubes 6 on one side are specifically transmitting tubes, and the three transmitting and receiving tubes 6 on the other side are specifically receiving tubes. Among a group of transmitting and receiving tubes 6, the one located in the middle position is fixed on the outer housing 2, and the other two transmitting and receiving tubes 6 are symmetrically and movably arranged on both sides of the transmitting and receiving tube 6 in the middle position. Four rotating shafts 7 are rotatably installed on the inner wall of the outer housing 2. A bidirectional lead screw 8 is fixedly installed between the two rotating shafts 7 on the same side. A motor 9 is fixedly installed on the side surface of the outer housing 2. The motor 9 is used in cooperation with the two rotating shafts 7 at the same side position. Threaded blocks 10 are threadedly installed on the outer surfaces of the two threaded sections of the bidirectional lead screw 8. A connecting block 11 is fixedly installed on the side surface of the threaded block 10. The connecting block 11 passes through a channel opened on the side surface of the outer housing 2 and is fixedly connected to the corresponding transmitting and receiving tube 6. An anti - slip operation plate one 15 is fixedly installed on the upper surface of the protective cover one 4, and an anti - slip operation plate two 19 is fixedly installed on the upper surface of the protective cover two 5. A transparent glass plate 21 is installed on the protective cover two 5, and the two transparent glass plates 21 are arranged oppositely.

[0030] By setting a plurality of transmitting and receiving tubes 6, and the positions of the transmitting and receiving tubes 6 on both sides are designed to be movable. The position adjustment is realized through the rotation of the bidirectional lead screw 8 in cooperation with the movement of the threaded block 10. Thus, the position adjustment can be carried out according to the actual detection requirements, the monitoring range can be effectively adjusted, the universality of use can be improved, and the operation adjustment is convenient. By setting the protective cover one 4 for use, the motor 9, the belt pulley 13 and the belt 14 can be isolated and protected. By setting the protective cover two 5 in cooperation with the transparent glass plate 21, the transmitting and receiving tubes 6 can be effectively isolated and protected on the premise of ensuring the normal operation of the transmitting and receiving tubes 6, achieving a good protective effect. Moreover, both the protective cover one 4 and the protective cover two 5 can be disassembled and assembled conveniently, which is convenient for maintenance and repair.

[0031] A plurality of guide rods 12 are fixedly installed on the inner wall of the outer housing 2. The threaded block 10 is slidably installed on the outer surfaces of the plurality of guide rods 12. When the bidirectional lead screw 8 rotates to drive the threaded block 10 to move, the threaded block 10 will slide on the surface of the guide rod 12. Therefore, the guide rod 12 can be used to support and limit the movement of the threaded block 10, improving the movement smoothness.

[0032] Pulleys 13 are fixedly mounted on the outer surfaces of the two rotating shafts 7 on the same side of the motor 9 and the outer surface of the output shaft of the motor 9. A belt 14 is connected for transmission between two adjacent pulleys 13. The pulleys 13, the belt 14 and the motor 9 are all located inside the protective cover 4. The motor 9 cooperates with the pulleys 13 and the belt 14 to enable the rotating shafts 7 on both sides to rotate synchronously, thereby driving the bidirectional screws 8 on both sides to rotate synchronously, thereby realizing the synchronous movement adjustment of the positions of the transmitting and receiving tubes 6 on both sides.

[0033] An elastic plug plate 16 is fixedly mounted on the side of the protective cover 4, and an elastic slot for inserting the elastic plug plate 16 is provided on the surface of the outer shell 2. The elastic plug plate 16 is inserted into the elastic slot to realize a convenient alignment assembly operation of the protective cover 4.

[0034] An L-shaped plug plate 18 is fixedly installed on the side of the protective cover 2 5, and an L-shaped slot for inserting the L-shaped plug plate 18 is opened on the side of the outer shell 2. The L-shaped plug plate 18 is inserted into the L-shaped slot to realize the alignment and assembly operation of the protective cover 2 5, which is convenient for assembly and alignment.

[0035] A snap-in ball 17 is fixedly installed on the side of the elastic plug plate 16, and a snap-in ball 20 is fixedly installed on the side of the L-shaped plug plate 18. The inner wall of the elastic slot is provided with a snap-in slot 1 for the snap-in ball 17 to be snapped into, and the inner wall of the L-shaped slot is provided with a snap-in slot 2 for the snap-in ball 20 to be snapped into. The snap-in ball 17 is snapped into the snap-in slot 1 to achieve locking and limiting of the protective cover 1 4 after assembly, and the snap-in ball 20 is snapped into the snap-in slot 2 to achieve locking and limiting of the protective cover 2 5 after assembly.

[0036] When in use, the mounting frame 3 on the outer shell 2 is used for fixed installation, and the transmitting and receiving tubes 6 at both ends of the U-shaped structure are used to realize photoelectric signal transmission detection. When the detection range needs to be adjusted, the motor 9 is started, and the pulley 13 and the belt 14 are used to drive the rotating shafts 7 on both sides to drive the bidirectional lead screws 8 to rotate synchronously, and then drive the threaded block 10 to drive the connecting block 11 to move, thereby driving the transmitting and receiving tubes 6 on both sides to move synchronously to realize the adjustment of the detection range. When the motor 9 needs to be inspected, the sliding anti-skid operating plate 15 drives the protective cover 4 to move, and the elastic plug plate 16 and the card ball 17 are used to realize the convenient disassembly and assembly of the protective cover 4. When the transmitting and receiving tube 6 needs to be inspected, the sliding anti-skid operating plate 2 19 drives the protective cover 2 5 to move, and the L-shaped plug plate 18 and the card ball 20 are used to realize the convenient disassembly and assembly of the protective cover 2 5.

Claims

1. A slot-type multi-channel optoelectronic switch, characterized in that: The photoelectric switch body (1) comprises an outer shell (2), the upper surface and the lower surface of the outer shell (2) are both mounted with mounting frames (3), the mounting frames (3) have mounting holes, a protective cover (4) is detachably mounted on the side of the outer shell (2), the outer shell (2) is in a U-shaped structure and six transmitting and receiving tubes (6) are arranged inside the U-shaped structure, the six transmitting and receiving tubes (6) are arranged in groups of three and two groups are arranged opposite to each other, the three transmitting and receiving tubes (6) on one side are specifically transmitting tubes, the three transmitting and receiving tubes (6) on the other side are specifically receiving tubes, the transmitting and receiving tubes (6) in one group are located in the middle position and are fixed on the outer shell (2), the other two transmitting and receiving tubes (6) are symmetrically arranged on both sides of the transmitting and receiving tube (6) at the middle position, and the inner wall of the outer shell (2) is rotated. Four rotating shafts (7) are installed, and a bidirectional lead screw (8) is fixedly installed between two rotating shafts (7) on the same side. A motor (9) is fixedly installed on the side of the outer shell (2), and the motor (9) is used in conjunction with the two rotating shafts (7) at the same side. The two sections of the threaded outer surface of the bidirectional lead screw (8) are threadedly installed with thread blocks (10), and the side of the thread block (10) is fixedly installed with a connecting block (11), and the connecting block (11) passes through a channel opened on the side of the outer shell (2) and is fixedly connected to the transmitting and receiving tube (6) at the corresponding position. The upper surface of the protective cover (4) is fixedly installed with an anti-skid operating plate (15), and the upper surface of the protective cover (5) is fixedly installed with an anti-skid operating plate (19). A transparent glass plate (21) is installed on the protective cover (5), and the two transparent glass plates (21) are arranged opposite to each other.

2. The slot-type multi-channel optoelectronic switch according to claim 1, characterized in that: A plurality of guide rods (12) are fixedly mounted on the inner wall of the outer shell (2), and the threaded block (10) is slidably mounted on the outer surfaces of the plurality of guide rods (12).

3. The slot-type multi-channel optoelectronic switch according to claim 1, characterized in that: Pulleys (13) are fixedly mounted on the outer surfaces of the two rotating shafts (7) on the same side as the motor (9) and the outer surface of the output shaft of the motor (9), and a belt (14) is connected between two adjacent pulleys (13) for transmission. The pulleys (13), the belt (14) and the motor (9) are all located inside the protective cover (4).

4. The slot-type multi-channel optoelectronic switch according to claim 1, wherein: An elastic plug plate (16) is fixedly mounted on the side of the protective cover (4), and an elastic slot for inserting the elastic plug plate (16) is provided on the surface of the outer shell (2).

5. The slot-type multi-channel photoelectric switch according to claim 4, characterized in that: An L-shaped plug plate (18) is fixedly mounted on the side of the second protective cover (5), and an L-shaped slot for inserting the L-shaped plug plate (18) is provided on the side of the outer shell (2).

6. The slot-type multi-channel optoelectronic switch according to claim 5, characterized in that: A first locking ball (17) is fixedly mounted on the side of the elastic plug plate (16), a second locking ball (20) is fixedly mounted on the side of the L-shaped plug plate (18), a first locking groove for the first locking ball (17) to be locked in is formed on the inner wall of the elastic slot, and a second locking groove for the second locking ball (20) to be locked in is formed on the inner wall of the L-shaped slot.

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