Adjustable safety grating

By cooperating with the inner shell and the telescopic frame, and using the locking motor to drive the adjustment screw and threaded barrel, the problem of fixed length of the safety grating is solved, and the flexible adjustment of the safety grating in different environments and cost reduction are achieved.

CN223318872UActive Publication Date: 2025-09-09SHANGHAI DIQI AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202423075630.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-09-09
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The length of existing safety light curtains is fixed and cannot be adaptively adjusted in different usage environments, resulting in a narrow range of use and increased costs.

Method used

An adjustable safety grating is designed. Through the cooperation of the inner shell and the telescopic frame, the locking motor drives the adjusting screw and the threaded barrel to adjust the grating length. Combined with the movement of the limit slider and the limit plate, the emitters are ensured to be evenly distributed.

Benefits of technology

The flexible adjustment of the safety grating length is achieved to meet different usage requirements and reduce usage costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an adjustable safety grating which comprises an outer shell, an inner shell is movably installed in the outer shell, a limiting sliding groove is formed in the inner wall of the outer shell, a limiting sliding block is movably installed in the limiting sliding groove, a locking motor is installed in the inner shell, and the limiting sliding block is movably installed in the limiting sliding groove. An adjusting lead screw is installed at the output end of the locking motor, a threaded barrel is installed below the adjusting lead screw, a telescopic frame is installed on the right side of the threaded barrel, a connecting column is installed on the right side of the telescopic frame, a moving block is installed on the right side of the connecting column, and an emitter is installed on the right side in the moving block; a limiting column is arranged on the left side in the moving block in a penetrating manner; and the limiting movable groove is formed in the outer surface of the limiting column. According to the adjustable safety grating, the length of the safety grating is adjusted by arranging the inner shell capable of moving up and down in the outer shell to be matched with the telescopic frame, so that different use requirements are met, and the use cost is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of safety gratings, in particular to an adjustable safety grating. Background Art

[0002] Safety light curtains are photoelectric devices that prevent people from approaching mobile machinery, thus preventing casualties. Such mobile machinery includes punching machines, winders, palletizers, elevators, etc. Safety light curtains can be used to replace traditional mechanical barriers or other forms of mechanical protection, and can also increase the maintainability of equipment. In combination with safety light curtains, they can also increase the operability and efficiency of mechanical equipment (such as some semi-automatic equipment).

[0003] Chinese Authorization Publication No. CN217635024U discloses an adjustable safety grating comprising a light emitter and a light receiver, as well as a limit assembly, an adjustment assembly, and a shielding assembly. The bottoms of the light emitter and light receiver are each connected to a limit assembly, the bottom of the limit assembly being connected to an adjustment assembly, and a shielding assembly being connected between the light emitter and light receiver. The limit assembly comprises a limit frame, a top chute, side chute, a first slider, and a second slider. The top of the limit frame is constructed with a top chute, and the side walls of the limit frame are constructed with side chute communicating with the top chute. The top chute is slidably connected to a first slider and a second slider, which are respectively mounted on the bottoms of the light emitter and light receiver. The safety grating can be adjusted to change the beam distance without repeatedly disassembling and installing the safety grating, thus avoiding limited operating space. The safety grating can also be shielded and limited in blind spots to prevent safety accidents, thus providing enhanced safety.

[0004] The existing safety grating has a fixed length, and different lengths of safety gratings need to be used in different usage environments, which results in the safety grating being unable to be used in different usage environments, narrowing the scope of use and increasing the cost of using the safety grating. To this end, we propose an adjustable safety grating. Utility Model Content

[0005] The purpose of the utility model is to provide an adjustable safety grating to solve the problem in the above background technology that the length of the existing safety grating is fixed and different lengths of safety gratings need to be used in different usage environments, resulting in the safety grating being unable to be used in different usage environments, having a narrow range of use, and increasing the cost of using the safety grating.

[0006] To achieve the above-mentioned object, the utility model provides the following technical solutions: an adjustable safety grating, comprising an outer shell, an inner shell movably installed inside the outer shell, a limit slide groove is provided on the inner wall of the outer shell, a limit slider is movably installed inside the limit slide groove, a locking motor is installed inside the inner shell, an adjusting screw is installed at the output end of the locking motor, a threaded barrel is installed below the adjusting screw, a telescopic frame is installed on the right side of the threaded barrel, a connecting column is installed on the right side of the telescopic frame, a moving block is installed on the right side of the connecting column, a transmitter is installed on the right side of the moving block, and a limit column is passed through the left side of the moving block;

[0007] A limit movable groove is provided on the outer surface of the limit column, and a limit plate is movably installed inside the limit movable groove.

[0008] Preferably, the limiting slider is fixedly connected to the inner shell, and the shape and size of the limiting slider match the shape and size of the inside of the limiting slot, and the outer shell is movably connected to the inner shell through the limiting slot and the limiting slider.

[0009] Preferably, the adjusting screw is threadedly connected to the threaded barrel, and the threaded barrel is fixedly connected to the outer shell.

[0010] Preferably, the shape and size of the inner shell are consistent with the shape and size of the interior of the outer shell, and the inner shell is movable inside the outer shell.

[0011] Preferably, one end of the telescopic frame is fixedly connected to the inner shell, and the other end of the telescopic frame is fixedly connected to the outer shell.

[0012] Preferably, the shape and size of the limiting plate are consistent with the shape and size of the limiting movable groove, and the limiting plate can move inside the limiting movable groove, and there are four limiting movable grooves, the limiting plate is fixedly connected to the inner shell, and the limiting column is fixedly connected to the outer shell.

[0013] Preferably, the moving block moves up and down along the limiting column and the limiting plate.

[0014] Compared with the prior art, the present invention provides an adjustable safety grating with the following beneficial effects: the adjustable safety grating is configured to adjust the length of the safety grating by providing an inner shell that can move up and down inside the outer shell in cooperation with a telescopic frame, so as to meet different usage requirements and reduce usage costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the telescopic frame structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the connection structure of the limiting column and the limiting plate of the utility model.

[0019] In the figure: 1. Outer shell; 2. Limiting slide; 3. Limiting slider; 4. Inner shell; 5. Launcher; 6. Moving block; 7. Locking motor; 8. Adjusting screw; 9. Telescopic frame; 10. Threaded barrel; 11. Limiting column; 12. Connecting column; 13. Limiting plate; 14. Limiting movable groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-4An adjustable safety grating includes an outer shell 1, an inner shell 4 is movably installed inside the outer shell 1; the shape and size of the inner shell 4 match the shape and size of the inner shell 1, and the inner shell 4 is movable inside the outer shell 1, and a limit slide 2 is provided on the inner wall of the outer shell 1, and a limit slider 3 is movably installed inside the limit slide 2; the limit slider 3 is fixedly connected to the inner shell 4, and the shape and size of the limit slider 3 match the shape and size of the inner part of the limit slide 2, and the outer shell 1 is movably connected to the inner shell 4 through the limit slide 2 and the limit slider 3 The inner shell 4 is connected to the outer shell 1 to ensure that the inner shell 4 moves stably inside the outer shell 1 to achieve length adjustment. A locking motor 7 is installed inside the inner shell 4. An adjusting screw 8 is installed at the output end of the locking motor 7. A threaded barrel 10 is installed below the adjusting screw 8. The adjusting screw 8 is threadedly connected to the threaded barrel 10, and the threaded barrel 10 is fixedly connected to the outer shell 1. The locking motor 7 drives the adjusting screw 8 to rotate inside the threaded barrel 10 to drive the inner shell 4 to move inside the outer shell 1. A telescopic frame 9 is installed on the right side of the threaded barrel 10. One end of the telescopic frame 9 is fixed to the inner shell 4. The telescopic frame 9 is connected, and the other end is fixedly connected to the outer shell 1. A connecting column 12 is installed on the right side of the telescopic frame 9, and a moving block 6 is installed on the right side of the connecting column 12. The transmitter 5 is installed on the right side of the inner side of the moving block 6, and a limiting column 11 is passed through the left side of the inner side of the moving block 6; a limiting movable groove 14 is opened on the outer surface of the limiting column 11, and a limiting plate 13 is installed inside the limiting movable groove 14; the shape and size of the limiting plate 13 are consistent with the shape and size of the limiting movable groove 14, and the limiting plate 13 is realized in the inner movement of the limiting movable groove 14, and the limiting There are four movable slots 14, the limit plate 13 is fixedly connected to the inner shell 4, and the limit column 11 is fixedly connected to the outer shell 1; the movable block 6 moves up and down along the limit column 11 and the limit plate 13, and the telescopic frame 9 drives the movable block 6 to move up and down stably along the limit column 11 and the limit plate 13, so that the movable block 6 and the emitter 5 inside it are evenly distributed; the adjustable safety grating is achieved by setting an inner shell 4 that can move up and down inside the outer shell 1 and cooperating with the telescopic frame 9 to adjust the length of the safety grating, so as to meet different usage requirements and reduce usage costs.

[0022] Working principle: When using the adjustable safety grating, first control the locking motor 7 through the controller to energize and drive the adjusting screw 8 to rotate clockwise or counterclockwise by a certain angle, and cooperate with the threaded cylinder 10 to drive the inner shell 4 to move up or down by a certain angle inside the outer shell 1. The moving inner shell 4 drives the telescopic frame 9 to telescope, and then drives multiple moving blocks 6 to move up and down along the limit column 11 or the limit plate 13, adjust the spacing between the moving blocks 6, and then adjust the spacing between the emitters 5 so that the emitters 5 are evenly distributed. At the same time, the limit plate 13 moves inside the limit movable groove 14 to adjust the safety grating to a suitable length to meet the use requirements. This is the working principle of the adjustable safety grating.

[0023] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable safety grating, characterized in that: include An outer shell (1), an inner shell (4) is movably installed inside the outer shell (1), a limiting slide groove (2) is provided on the inner wall of the outer shell (1), a limiting slider (3) is movably installed inside the limiting slide groove (2), a locking motor (7) is installed inside the inner shell (4), an adjusting screw rod (8) is installed at the output end of the locking motor (7), a threaded barrel (10) is installed below the adjusting screw rod (8), a telescopic frame (9) is installed on the right side of the threaded barrel (10), a connecting column (12) is installed on the right side of the telescopic frame (9), a moving block (6) is installed on the right side of the connecting column (12), a transmitter (5) is installed on the right side of the moving block (6), and a limiting column (11) is passed through the left side of the moving block (6); A limit movable groove (14) is provided on the outer surface of the limit column (11), and a limit plate (13) is movably installed inside the limit movable groove (14).

2. The adjustable safety light barrier according to claim 1, characterized in that: The limiting slider (3) is fixedly connected to the inner shell (4), and the shape and size of the limiting slider (3) match the shape and size of the interior of the limiting slide groove (2), and the outer shell (1) is movably connected to the inner shell (4) through the limiting slide groove (2) and the limiting slider (3).

3. The adjustable safety light barrier according to claim 1, characterized in that: The adjusting screw rod (8) is threadedly connected to the threaded barrel (10), and the threaded barrel (10) is fixedly connected to the outer shell (1).

4. The adjustable safety light barrier according to claim 1, characterized in that: The shape and size of the inner shell (4) match the shape and size of the interior of the outer shell (1), and the inner shell (4) is movable inside the outer shell (1).

5. The adjustable safety light barrier according to claim 1, characterized in that: One end of the telescopic frame (9) is fixedly connected to the inner shell (4), and the other end of the telescopic frame (9) is fixedly connected to the outer shell (1).

6. The adjustable safety light barrier according to claim 1, characterized in that: The shape and size of the limiting plate (13) match those of the limiting movable groove (14), and the limiting plate (13) is movable inside the limiting movable groove (14). Four limiting movable grooves (14) are provided. The limiting plate (13) is fixedly connected to the inner shell (4), and the limiting column (11) is fixedly connected to the outer shell (1).

7. The adjustable safety light barrier according to claim 1, characterized in that: The moving block (6) moves up and down along the limiting column (11) and the limiting plate (13).