Multifunctional photoelectric sensor protection device
By designing a multifunctional photoelectric sensor protection device, which uses an L-shaped bracket, base, protective shell, lead screw and drive components to form a lifting mechanism, the problems of photoelectric sensors being easily damaged, inconvenient to disassemble and assemble, and adaptable to a single working condition are solved. This achieves efficient protection and multi-angle adjustment, improving production efficiency and equipment adaptability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANJING CHANGAN AUTOMOBILE CO LTD
- Filing Date
- 2025-06-25
- Publication Date
- 2026-05-05
AI Technical Summary
Existing photoelectric sensors are easily damaged during automobile manufacturing, inconvenient to disassemble and assemble, adaptable to limited working conditions, and lack effective protection and angle adjustment.
Design a multifunctional photoelectric sensor protection device, which adopts a lifting mechanism consisting of an L-shaped bracket, a base, a protective shell, a lead screw, and a drive component, combined with a buffer layer and a detachable tray, to achieve multi-directional protection and angle adjustment of the photoelectric sensor.
Reduces the probability of photoelectric sensor failure, reduces equipment downtime, improves production efficiency, adapts to various working conditions, and saves space.
Smart Images

Figure CN224202475U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of automobile manufacturing technology, and relates to a fixture for the protection of photoelectric sensors in welding workshops, specifically a multifunctional photoelectric sensor protection device. Background Technology
[0002] In automobile manufacturing, the welding workshop is a crucial link in the welding and assembly of body parts. Photoelectric sensors, as important components in the welding process, are used to detect the position and condition of workpieces, ensuring welding accuracy and production efficiency. Currently, the common method for installing photoelectric sensors is to directly fix them with flat iron brackets, providing only basic fixation, and leaving the photoelectric sensors exposed externally. However, this method has the following problems in practical operation:
[0003] 1. During manual loading, the workpiece (such as a metal plate) may collide directly with the exposed or protruding photoelectric sensor, which may easily cause the photoelectric sensor housing to crack or the lens to wear.
[0004] 2. The lack of external buffer design for the photoelectric sensor allows the impact force to be directly transmitted to the sensor, accelerating structural fatigue and failing to provide comprehensive protection for the sensor.
[0005] 3. When photoelectric sensors are damaged, they cannot be quickly replaced and protective devices cannot be installed, resulting in low production efficiency;
[0006] 4. The fixed installation method of photoelectric sensors cannot adjust the installation angle and is only suitable for a limited range of working conditions.
[0007] In the existing technology, the installation of photoelectric sensors cannot provide good protection, and they are inconvenient to disassemble and install, and are only suitable for a limited range of working conditions. Therefore, there is an urgent need for a photoelectric sensor protection device. Utility Model Content
[0008] To address the aforementioned problems, the main objective of this utility model is to design a multifunctional photoelectric sensor protection device. By improving the installation method and protective structure of the photoelectric sensor, the device solves the problems of the photoelectric sensor's limited adaptability to various working conditions, susceptibility to damage, and inconvenience in disassembly and assembly.
[0009] To achieve the above objectives, the present invention adopts the following technical solution:
[0010] A multifunctional photoelectric sensor protection device includes an L-shaped bracket, a base, and a protective shell; the horizontal plate of the L-shaped bracket is connected to the base by fixing screws, the protective shell is fixed to the top of the vertical plate of the L-shaped bracket, and the interior of the protective shell is provided with a buffer layer.
[0011] A lead screw and a drive unit for rotating the lead screw are installed between the protective shell and the horizontal plate of the L-shaped bracket.
[0012] A tray for fixing a photoelectric sensor is fitted on the lead screw, and the tray moves in and out of the protective shell in conjunction with the lead screw via a drive component.
[0013] As a further description of this utility model, a threaded hole is provided on one side of the tray, a lead screw passes through the threaded hole, and the side of the tray with the threaded hole is attached to the vertical plate of the L-shaped bracket. The tray drives the lead screw through a driving component to reciprocate up and down along the vertical plate of the L-shaped bracket.
[0014] As a further description of this utility model, the lower part of the protective shell and the side away from the vertical plate of the L-shaped bracket are both set as open, and the buffer layer is arranged on the inner wall of the protective shell.
[0015] The tray converts rotational motion into linear motion through a drive mechanism and a lead screw, causing the tray to move in and out of the opening at the bottom of the protective shell.
[0016] As a further description of this utility model, the photoelectric sensor is detachably fixed to the upper part of the tray, and the fixing method includes bolt fixing and buckle fixing.
[0017] As a further description of this utility model, the driving component includes a turntable and a gearbox, and the lead screw is movably connected to the gearbox and the turntable to form a lifting mechanism.
[0018] As a further description of this utility model, the gearbox includes a driving gear and a driven gear that mesh with each other. The driving gear is connected to the turntable, and the driven gear is connected to the lead screw. The driving gear and the driven gear mesh to transmit rotational motion to the lead screw.
[0019] Compared with the prior art, the technical effects of this utility model are as follows:
[0020] This utility model provides a multifunctional photoelectric sensor protection device, including an L-shaped bracket, a base, a protective shell, a lead screw, a drive component, and a tray. The base is fixed to the worktable by two positioning screws. The drive component, lead screw, and tray are movably connected. When the photoelectric sensor is damaged, the sensor can be lowered by shaking the turntable for quick replacement and installation without overall disassembly, reducing equipment downtime due to sensor failure. The protective shell and its internal buffer layer prevent direct contact between the workpiece and the photoelectric sensor, reducing impact and collision-induced damage. The L-shaped bracket, in conjunction with the base, allows for adjustment of the installation angle as needed, and its compact structure saves space, making the photoelectric sensor suitable for various working conditions. Attached Figure Description
[0021] Figure 1 This is a side view of the overall structure of this utility model;
[0022] Figure 2This is a three-dimensional view of the overall structure of this utility model.
[0023] In the diagram, 1. L-shaped bracket, 2. base, 3. protective shell, 4. lead screw, 5. drive component, 51. turntable, 52. gearbox, 6. tray, and A. photoelectric sensor. Detailed Implementation
[0024] The present invention will now be described in detail with reference to the accompanying drawings:
[0025] In one embodiment of this utility model, a multifunctional photoelectric sensor protection device is disclosed, with reference to... Figure 1-2 As shown, the device includes an L-shaped bracket 1, a base 2, a protective shell 3, a lead screw 4, a drive component 5, and a tray 6. Specifically, the L-shaped bracket 1 includes a horizontal plate and a vertical plate. The horizontal plate of the L-shaped bracket 1 is connected to the base 2 by a fixing screw, allowing the installation angle between the L-shaped bracket 1 and the base 2 to adapt to various working conditions. The base 2 is fixedly installed on the workbench by two positioning screws to ensure the stability of the device. The protective shell 3 is fixed to the top of the vertical plate of the L-shaped bracket 1, and the interior of the protective shell 3 has a buffer layer to protect the photoelectric sensor A from all directions. A lead screw 4 and a drive component 5 for rotating the lead screw 4 are installed between the protective shell 3 and the horizontal plate of the L-shaped bracket 1. A tray 6 for fixing the photoelectric sensor A is also installed on the lead screw 4. The tray 6 moves in and out of the protective shell 3 in conjunction with the lead screw 4 via the drive component 5, facilitating the disassembly of the photoelectric sensor A.
[0026] In this embodiment, a threaded hole is provided on one side of the tray 6, through which the lead screw 4 passes. The side of the tray 6 with the threaded hole is attached to the vertical plate of the L-shaped bracket 1. The tray 6 drives the lead screw 4 via the driving component 5, reciprocating up and down along the vertical plate of the L-shaped bracket 1. In addition, the lower part of the protective shell 3 and the side away from the vertical plate of the L-shaped bracket 1 are both provided with openings, and a buffer layer is provided on the inner wall of the protective shell 3. Furthermore, the tray 6, through the driving component 5 and the lead screw 4, converts the rotational motion into linear motion, causing the tray 6 to move in and out of the opening at the lower part of the protective shell 3.
[0027] It should be noted that the materials of the above-mentioned buffer layer include, but are not limited to, elastic polymer materials (such as rubber, polyurethane), foam materials (such as polyurethane foam, polyethylene foam), fiber materials (such as glass fiber, carbon fiber) and composite materials (such as rubber-metal composite materials). Any material that can reduce cushioning can be selected according to actual needs.
[0028] In this embodiment, photoelectric sensor A is detachably fixed to the upper part of tray 6, and the fixing method includes, but is not limited to, bolt fixing and clip fixing. The photoelectric sensor A uses the opening on the side of the protective shell 3 away from the vertical plate of the L-shaped bracket 1 as the detection angle.
[0029] In this embodiment, the aforementioned driving component 5 includes a turntable 51 and a gearbox 52. The lead screw 4 is movably connected to the turntable 51 and the gearbox 52, forming a lifting mechanism. Manually cranking the turntable 51 drives the lead screw 4 to rotate, causing the tray 6 to move up and down. Specifically, the gearbox 52 includes a meshing driving gear and a driven gear. The driving gear is connected to the turntable 51, and the driven gear is connected to the lead screw 4. The meshing of the driving gear and the driven gear transmits rotational motion to the lead screw 4.
[0030] The above describes the photoelectric sensor protection device of this utility model. In practical use, the base 2 is fixed to the workbench using positioning screws. The direction of the L-shaped bracket 1 and the base 2 is adjusted using fixing screws according to the required angle. The photoelectric sensor A is fixedly installed above the tray 6. By rotating the turntable 51, the lead screw 4 is rotated, embedding the photoelectric sensor A into the protective shell 3, preventing collisions with the photoelectric sensor A during use. When it is necessary to disassemble or replace the photoelectric sensor A, the turntable 51 is rotated in the opposite direction, causing the lead screw 4 to rotate in the opposite direction, allowing the photoelectric sensor A to be removed from the protective shell 3 for disassembly and replacement.
[0031] The multifunctional photoelectric sensor protection device disclosed above has the following advantages compared to the prior art:
[0032] 1. This utility model, through the protective shell and the buffer layer set inside the protective shell, avoids direct contact between the workpiece and the photoelectric sensor, reduces the impact on the photoelectric sensor, reduces the damage caused by collision, and reduces the probability of photoelectric sensor being damaged by collision by more than 90%.
[0033] 2. When the photoelectric sensor is damaged, this utility model can lower the photoelectric sensor by shaking the turntable, allowing for quick replacement and installation without the need for complete disassembly, thus reducing equipment downtime caused by photoelectric sensor damage;
[0034] 3. This utility model, through the cooperation of an L-shaped bracket and a base, allows for adjustment of the installation angle as needed, making the photoelectric sensor suitable for various working conditions;
[0035] 4. This utility model adopts an L-shaped bracket in conjunction with a lead screw, which has a compact structure and saves space.
[0036] The above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.
Claims
1. A multifunctional photoelectric sensor protection device, characterized in that: It includes an L-shaped bracket, a base, and a protective shell; the horizontal plate of the L-shaped bracket is connected to the base by fixing screws, the protective shell is fixed to the top of the vertical plate of the L-shaped bracket, and the inside of the protective shell is provided with a buffer layer; A lead screw and a drive unit for rotating the lead screw are installed between the protective shell and the horizontal plate of the L-shaped bracket. A tray for fixing a photoelectric sensor is fitted on the lead screw, and the tray moves in and out of the protective shell in conjunction with the lead screw via a drive component.
2. The multifunctional photoelectric sensor protection device according to claim 1, characterized in that: The tray has a threaded hole on one side, through which the lead screw passes. The side of the tray with the threaded hole is attached to the vertical plate of the L-shaped bracket. The tray drives the lead screw through a drive component to move up and down along the vertical plate of the L-shaped bracket.
3. The multifunctional photoelectric sensor protection device according to claim 1, characterized in that: The lower part of the protective shell and the side away from the vertical plate of the L-shaped bracket are both set as open, and the buffer layer is arranged on the inner wall of the protective shell. The tray converts rotational motion into linear motion through a drive mechanism and a lead screw, causing the tray to move in and out of the opening at the bottom of the protective shell.
4. The multifunctional photoelectric sensor protection device according to claim 1, characterized in that: The photoelectric sensor is detachably fixed to the upper part of the tray, and the fixing methods include bolt fixing and clip fixing.
5. The multifunctional photoelectric sensor protection device according to claim 1, characterized in that: The driving components include a turntable and a gearbox. The lead screw is movably connected to the gearbox and the turntable to form a lifting mechanism.
6. The multifunctional photoelectric sensor protection device according to claim 5, characterized in that: The gearbox includes a driving gear and a driven gear that mesh with each other. The driving gear is connected to the turntable, and the driven gear is connected to the lead screw. The driving gear and the driven gear mesh to transmit rotational motion to the lead screw.