Composite diffusion plate assembly

Abstract

The utility model relates to the technical field of diffusion plates, in particular to a composite diffusion plate assembly which comprises a frame body, a diffusion plate body is embedded in the frame body, a fixing frame is fixedly arranged on the front side of the frame body, a connecting piece is connected to the lower portion of the fixing frame, a U-shaped piece is arranged on the connecting piece, wiping cotton is arranged on one side of the U-shaped piece, and the wiping cotton abuts against the front side of the diffusion plate body. A two-way screw rod is rotationally arranged in the fixing frame, and two nuts are symmetrically connected to the two-way screw rod in a threaded and sleeving mode; by starting a motor, a second bevel gear can drive a first bevel gear and a bidirectional screw rod to rotate, so that two nuts drive a rotating rod to rotate and push a connecting piece, a U-shaped piece and wiping cotton to vertically move downwards, and in the process, the wiping cotton can wipe dust adhered to the surface of a diffusion plate body; the diffusion plate assembly does not need to be disassembled and cleaned by personnel, time and labor are saved, and the problem of potential safety hazards can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of diffusion plates, in particular to a composite diffusion plate assembly. Background Art

[0002] LED panel lights are lamps that can be embedded in the ceiling for direct lighting. The light-emitting surface of the LED panel light is a light guide plate with high light transmittance, which cooperates with a diffusion plate to diffuse the light source so that the light emitted by the lamp can form a uniform planar lighting effect. The diffusion plate uses chemical or physical means to utilize the physical phenomena of refraction, reflection and scattering when light encounters two media with different refractive indices on the way. In order to facilitate wiping the dust on the diffusion plate, some quickly detachable diffusion plate assemblies have appeared.

[0003] For example, the patent specification of an existing Chinese patent (publication number: CN218864019U) discloses an LED lamp diffuser, which can push block 1 out of square groove 1 through a connecting block by pressing a button, so that the longitudinal movement of the sliding frame is unrestricted. When the sliding frame slides upward, the other end of the positioning block slides from the inside of the positioning groove into the inside of the through groove through the cooperation of the inclined groove and the cylinder, and the main body of the diffuser is unrestricted inside the diffuser frame, thereby achieving the purpose of facilitating the disassembly and removal of the main body of the diffuser.

[0004] However, in the implementation of relevant technologies, it was found that the LED lamp diffuser plate of the above design has the following problems: although the LED lamp diffuser plate can be quickly disassembled and assembled, the ceiling is high above the ground and hand-held tools are required when removing the lamp diffuser plate, which is not only troublesome but also poses a great safety hazard. It is also inconvenient to manually wipe the diffuser plate. In view of this, a composite diffuser plate assembly is provided to overcome the above defects. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a composite diffusion plate assembly.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a composite diffuser plate assembly, comprising a frame body, a diffuser plate body is embedded in the frame body, a fixing frame is fixedly arranged on the front side of the frame body, a connecting piece is connected to the bottom of the fixing frame, a U-shaped piece is arranged on the connecting piece, a wiping cotton is arranged on one side of the U-shaped piece, the wiping cotton is abutted against the front side of the diffuser plate body, a bidirectional screw rod is rotatably arranged in the fixing frame, two nuts are symmetrically threaded on the bidirectional screw rod, a spacing is left between the nuts and the connecting piece and they are connected, a first bevel gear is fixedly sleeved on the bidirectional screw rod, a motor is fixedly installed in the fixing frame, a second bevel gear is fixedly sleeved on the driving shaft of the motor, the second bevel gear is meshingly connected to the first bevel gear, a guide rod is inserted in the nut, and both ends of the guide rod are connected to the fixing frame.

[0007] As a further description of the above technical solution: a mounting seat is fixedly installed at the bottom of the nut, two fixing seats are symmetrically fixedly installed at the top of the connecting piece, a rotating rod is rotatably arranged in the mounting seat, and the other end of the rotating rod is rotatably arranged in the fixing seat.

[0008] As a further description of the above technical solution: a first pin shaft is arranged in the mounting seat, a second pin shaft is arranged in the fixed seat, and the two ends of the rotating rod are respectively rotatably sleeved on the first pin shaft and the second pin shaft, so that the two ends of the rotating rod can be conveniently rotatably installed on the mounting seat and the fixed seat to avoid the problem of motion interference.

[0009] As a further description of the above technical solution: a cavity and a sliding mouth are respectively provided inside and at the bottom of the fixed frame, the bidirectional screw rod is rotatably connected in the cavity, the motor is fixedly installed in the cavity, the rotating rod is slidably connected in the sliding mouth, and both ends of the guide rod are fixedly installed in the cavity.

[0010] As a further description of the above technical solution: a timer is arranged on the front side of the fixing frame, and a controller is arranged inside the timer. The controller is electrically connected to the timer and the motor. By setting the timer, the motor can be automatically switched on and off at a certain time, thereby achieving the effect of timed self-cleaning of the diffusion plate.

[0011] As a further description of the above technical solution: a positioning groove is provided on the front side of the connecting piece, a permanent magnet is fixedly installed in the positioning groove, the U-shaped piece is made of iron and is magnetically connected to the permanent magnet, and by pulling the U-shaped piece, the U-shaped piece can overcome the suction force of the permanent magnet and move in the positioning groove in the opposite direction of the permanent magnet, so that the U-shaped piece can drive the wiping cotton to be removed from the connecting piece, thereby facilitating the cleaning of the wiping cotton.

[0012] As a further description of the above technical solution: a sub-Velcro is provided on one side of the U-shaped part, and a mother Velcro is provided on one side of the wiping cotton, and the sub-Velcro is bonded to the mother Velcro. The U-shaped part and the wiping cotton are removed from the connecting part, and then the wiping cotton is pulled to drive the mother Velcro to separate from the sub-Velcro, and the wiping cotton can be removed from the U-shaped part, which is convenient for replacing the new wiping cotton, thereby ensuring the cleaning effect of the diffuser plate.

[0013] As a further description of the above technical solution: the four corners of the front side of the frame are all threaded with positioning screws. First, the frame is fitted directly below the LED lamp holder, and then a threaded hole matching the positioning screw is opened on the LED lamp holder. The positioning screw is then rotated until the end of the positioning screw is screwed into the threaded hole. The frame can be conveniently installed at the bottom of the LED lamp, so that when the LED lamp is illuminated, the diffuser plate can be used to illuminate the light to form a uniform planar lighting effect.

[0014] The utility model has the following beneficial effects:

[0015] The composite diffuser plate assembly designed by the utility model can enable the second bevel gear to drive the first bevel gear and the bidirectional lead screw to rotate by turning on the motor, so that the two nuts drive the rotating rod to rotate while pushing the connecting piece, the U-shaped piece and the wiping cotton to move vertically downward. During this process, the wiping cotton can wipe the dust adhered to the surface of the diffuser plate body, thereby improving the light reflecting effect of the diffuser plate body. The diffuser plate assembly does not need to be disassembled and cleaned by personnel, which saves time and effort and avoids safety hazards. By setting a timer, the motor can be automatically turned on and off at a fixed time, thereby achieving the effect of timed self-cleaning of the diffuser plate body.

[0016] The composite diffuser plate assembly designed by the utility model can overcome the suction force of the permanent magnet and move in the positioning groove in the direction opposite to the permanent magnet by pulling the U-shaped part, so that the U-shaped part can drive the wiping cotton to be removed from the connecting part, thereby facilitating the cleaning of the wiping cotton. According to the above principle, the U-shaped part and the wiping cotton are removed from the connecting part, and then the wiping cotton can be pulled to separate the mother Velcro from the child Velcro, so that the wiping cotton can be removed from the U-shaped part, which is convenient for replacing with a new wiping cotton, thereby ensuring the cleaning effect of the diffuser plate. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the interior of the fixing frame of the utility model in a half-section view;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the exterior of the connector of the utility model;

[0020] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.

[0021] Legend:

[0022] 1. Frame; 2. Diffuser plate; 3. Fixed frame; 4. Connector; 5. U-shaped piece; 6. Wiping cotton; 7. Bidirectional screw; 8. Nut; 9. First bevel gear; 10. Motor; 11. Second bevel gear; 12. Mounting seat; 13. Rotating rod; 14. Fixed seat; 15. Slide; 16. Timer; 17. Positioning slot; 18. Permanent magnet; 19. Sub Velcro; 20. Sub Velcro; 21. Positioning screw; 22. Guide rod. DETAILED DESCRIPTION

[0023] Reference Figure 1-4 The utility model provides a composite diffuser plate assembly: comprising a frame 1, a diffuser plate 2 is inlaid in the frame 1, a fixing frame 3 is fixedly arranged on the front side of the frame 1, a connecting piece 4 is connected to the bottom of the fixing frame 3, a U-shaped piece 5 is arranged on the connecting piece 4, a wiping cotton 6 is arranged on one side of the U-shaped piece 5, and the wiping cotton 6 is against the front side of the diffuser plate 2, a bidirectional screw rod 7 is rotatably arranged in the fixing frame 3, two nuts 8 are symmetrically threadedly sleeved on the bidirectional screw rod 7, and a spacing is left between the nuts 8 and the connecting piece 4 and connected, a first bevel gear 9 is fixedly sleeved on the bidirectional screw rod 7, a motor 10 is fixedly installed in the fixing frame 3, a second bevel gear 11 is fixedly sleeved on the driving shaft of the motor 10, and the second bevel gear 11 is meshed and connected with the first bevel gear 9, a guide rod 22 is inserted in the nut 8, and both ends of the guide rod 22 are connected to the fixing frame 3;

[0024] A mounting seat 12 is fixedly installed at the bottom of the nut 8, and two fixing seats 14 are symmetrically fixedly installed on the top of the connecting member 4. A rotating rod 13 is rotatably arranged in the mounting seat 12, and the other end of the rotating rod 13 is rotatably arranged in the fixing seat 14. A cavity and a sliding mouth 15 are respectively arranged in the inside and bottom of the fixing frame 3, the bidirectional screw rod 7 is rotatably connected in the cavity, the motor 10 is fixedly installed in the cavity, the rotating rod 13 is slidably connected in the sliding mouth 15, and both ends of the guide rod 22 are fixedly installed in the cavity.

[0025] During the specific implementation, turning on the motor 10 can make the second bevel gear 11 rotate. Since the second bevel gear 11 is meshed and connected with the first bevel gear 9, the rotation of the second bevel gear 11 will drive the first bevel gear 9 and the bidirectional screw 7 to rotate. Then the two nuts 8 drive the rotating rod 13 to rotate while pushing the connecting piece 4, the U-shaped piece 5 and the wiping cotton 6 to move vertically downward. In this process, the wiping cotton 6 can wipe the dust adhered to the surface of the diffuser plate 2, thereby improving the light reflecting effect of the diffuser plate 2.

[0026] As a further implementation of the above technical solution: a first pin is provided in the mounting seat 12, a second pin is provided in the fixing seat 14, and both ends of the rotating rod 13 are respectively rotatably sleeved on the first pin and the second pin. The two ends of the rotating rod 13 can be conveniently rotatably mounted on the mounting seat 12 and the fixing seat 14 to avoid the problem of motion interference.

[0027] As a further implementation scheme of the above technical scheme: a timer 16 is arranged on the front side of the fixing frame 3 , and a controller is arranged inside the timer 16 , and the controller is electrically connected to the timer 16 and the motor 10 .

[0028] In specific implementation, based on the above embodiment, when the time interval set inside the timer 16 is reached, the timer 16 sends an electrical signal to the controller, and then the controller similarly sends an electrical signal to the motor 10 to activate it, which can facilitate automatic timing switching of the motor 10, thereby achieving the effect of timed self-cleaning of the diffusion plate 2.

[0029] As a further implementation of the above technical solution: a positioning groove 17 is provided on the front side of the connecting member 4, a permanent magnet 18 is fixedly installed in the positioning groove 17, and the U-shaped member 5 is made of iron and is magnetically connected to the permanent magnet 18. When the wiping cotton 6 needs to be cleaned, the U-shaped member 5 is pulled to make the U-shaped member 5 overcome the suction force of the permanent magnet 18, and the U-shaped member 5 can be driven by the wiping cotton 6 to be removed from the connecting member 4, so that the wiping cotton 6 can be cleaned conveniently.

[0030] As a further implementation scheme of the above technical scheme: a sub-velcro 19 is provided on one side of the U-shaped member 5, and a mother-velcro 20 is provided on one side of the wiping cotton 6, and the sub-velcro 19 and the mother-velcro 20 are bonded to each other. When the wiping cotton 6 needs to be replaced, the U-shaped member 5 and the wiping cotton 6 are first removed from the connecting member 4 according to the above principle, and then the wiping cotton 6 is pulled, so that the wiping cotton 6 can drive the mother-velcro 20 to separate from the sub-velcro 19, and then the wiping cotton 6 can be removed from the U-shaped member 5, and then the new wiping cotton 6 drives the mother-velcro 20 thereon to adhere to the sub-velcro 19 to complete the replacement of the wiping cotton 6.

[0031] As a further implementation of the above technical solution: the four corners of the front side of the frame 1 are all threaded with positioning screws 21. First, the frame 1 is attached to the bottom of the LED lamp frame, and then a threaded hole matching the positioning screw 21 is opened on the LED lamp frame, and then the positioning screw 21 is rotated until the end of the positioning screw 21 is screwed into the threaded hole, so that the frame 1 can be easily installed at the bottom of the LED lamp, so that when the LED lamp is illuminated, the diffusion plate 2 can be used to illuminate the light to form a uniform plane lighting effect.

[0032] In order to increase the use effect of the diffuser 2, the number of diffuser plates 2 can be set to two, and the two diffuser plates 2 are connected to each other, so that the diffuser plate 2 is a composite diffuser plate, which improves the use effect.

[0033] For timer 16, the principle is that the value of the counting register will increase by 1 for each falling edge of the pulse. If the counted pulse comes from the crystal oscillator inside the microcontroller, it is called timer 16 because its period is extremely accurate. Since timer 16 is a prior art, it will not be explained in detail in this manual.

[0034] In addition, for the controller, by operating the controller, the controller can send an electrical signal to the timer 16 and the motor 10 and activate them, thereby achieving the purpose of conveniently operating the timer 16 and the motor 10. Since the controller is a prior art, it will not be explained in detail in this manual.

[0035] Working principle:

[0036] When using the utility model, firstly, fit the frame 1 directly under the LED lamp frame, then open a threaded hole that matches the positioning screw 21 on the LED lamp frame, then rotate the positioning screw 21 until the end of the positioning screw 21 is screwed into the threaded hole, and then the frame 1 can be conveniently installed at the bottom of the LED lamp, so that when the LED light is illuminated, the diffusion plate 2 can be used to illuminate the light to form a uniform planar lighting effect. When the time interval set inside the timer 16 is reached, the timer 16 sends an electrical signal to the controller, and then the controller similarly sends an electrical signal to the motor 10 to activate it. The activation of the motor 10 causes the second bevel gear 11 to rotate. Since the second bevel gear 11 is meshed and connected with the first bevel gear 9, the rotation of the second bevel gear 11 will drive the first bevel gear 9 and the bidirectional lead screw 7 to rotate, and then the two screws are turned on. The mother 8 drives the rotating rod 13 to rotate while pushing the connecting piece 4, the U-shaped piece 5 and the wiping cotton 6 to move vertically downward. During this process, the wiping cotton 6 can wipe the dust adhered to the surface of the diffusion plate 2, so as to improve the light reflecting effect of the diffusion plate 2. When the wiping cotton 6 needs to be cleaned, the U-shaped piece 5 is pulled at this time so that the U-shaped piece 5 can overcome the suction force with the permanent magnet 18, and the U-shaped piece 5 can drive the wiping cotton 6 to be removed from the connecting piece 4, which is convenient for cleaning the wiping cotton 6. When the wiping cotton 6 needs to be replaced, according to the above principle, the U-shaped piece 5 and the wiping cotton 6 are first removed from the connecting piece 4, and then the wiping cotton 6 is pulled, so that the wiping cotton 6 can drive the mother Velcro 20 to separate from the child Velcro 19, and then the wiping cotton 6 can be removed from the U-shaped piece 5, and then the new wiping cotton 6 can drive the mother Velcro 20 on it to adhere to the child Velcro 19 to complete the replacement of the wiping cotton 6.

[0037] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A composite diffuser plate assembly, comprising a frame (1), characterized in that: A diffusion plate (2) is embedded in the frame (1), a fixing frame (3) is fixedly arranged on the front side of the frame (1), a connecting piece (4) is connected to the bottom of the fixing frame (3), a U-shaped piece (5) is arranged on the connecting piece (4), a wiping cotton (6) is arranged on one side of the U-shaped piece (5), the wiping cotton (6) abuts against the front side of the diffusion plate (2), a bidirectional screw rod (7) is rotatably arranged in the fixing frame (3), and two nuts are symmetrically threadedly sleeved on the bidirectional screw rod (7). (8), a spacing is left between the nut (8) and the connecting piece (4) and they are connected, a first bevel gear (9) is fixedly sleeved on the bidirectional screw rod (7), a motor (10) is fixedly installed in the fixed frame (3), a second bevel gear (11) is fixedly sleeved on the driving shaft of the motor (10), the second bevel gear (11) is meshingly connected with the first bevel gear (9), a guide rod (22) is inserted into the nut (8), and both ends of the guide rod (22) are connected to the fixed frame (3).

2. A composite diffuser plate assembly according to claim 1, characterized in that: A mounting seat (12) is fixedly mounted on the bottom of the nut (8), two fixing seats (14) are symmetrically fixedly mounted on the top of the connecting member (4), a rotating rod (13) is rotatably mounted in the mounting seat (12), and the other end of the rotating rod (13) is rotatably mounted in the fixing seat (14).

3. A composite diffuser plate assembly according to claim 2, characterized in that: A first pin is arranged in the mounting seat (12), a second pin is arranged in the fixing seat (14), and two ends of the rotating rod (13) are rotatably sleeved on the first pin and the second pin respectively.

4. A composite diffuser plate assembly according to claim 2, characterized in that: A cavity and a sliding opening (15) are respectively provided inside and at the bottom of the fixing frame (3); the bidirectional screw rod (7) is rotatably connected in the cavity; the motor (10) is fixedly installed in the cavity; the rotating rod (13) is slidably connected in the sliding opening (15); and both ends of the guide rod (22) are fixedly installed in the cavity.

5. The composite diffuser plate assembly according to claim 1, characterized in that: A timer (16) is arranged on the front side of the fixing frame (3), and a controller is arranged inside the timer (16), and the controller is electrically connected to the timer (16) and the motor (10).

6. The composite diffuser plate assembly according to claim 1, characterized in that: A positioning groove (17) is provided on the front side of the connecting member (4), a permanent magnet (18) is fixedly installed in the positioning groove (17), and the U-shaped member (5) is made of iron and is magnetically connected to the permanent magnet (18).

7. The composite diffuser plate assembly according to claim 1, characterized in that: A sub-velcro (19) is provided on one side of the U-shaped piece (5), and a main-velcro (20) is provided on one side of the wiping cotton (6), and the sub-velcro (19) and the main-velcro (20) are bonded to each other.

8. The composite diffuser plate assembly according to claim 1, characterized in that: The four corners of the front side of the frame (1) are all threadedly inserted with positioning screws (21).

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