Anti-dazzle blackboard lamp

Abstract

The utility model relates to the technical field of blackboard lamps, and discloses an anti-dazzle blackboard lamp which comprises two sets of stand columns, a lamp box is fixedly installed at the bottoms of the two sets of stand columns, and a dustproof plate is rotatably installed on the front side of the lamp box. A light source provided by the lamp strip is refracted by the refracting plate and reflected by the reflecting plate and is finally projected by the light-transmitting plate, the projection angle of the light-transmitting plate is controlled through the movable rod, and the movable rod can be rotated to enable the fastener to fix the inclination angle of the light-transmitting plate. The light source is prevented from being exposed, the anti-dazzle efficiency is improved, the irradiation angle of the light-transmitting plate is adjusted through the arrangement of the movable rod, the device can provide good light sources at different heights, finally, light dissipation is further prevented through the arc-shaped plate at the bottom of the extension groove, and the eyes of students are protected.

Description

Technical Field

[0001] The utility model relates to the technical field of blackboard lamps, and more specifically, to an anti-glare blackboard lamp. Background Art

[0002] At present, due to the heavy academic workload of teenagers, including many subjects, much homework and heavy burden, students are in a state of visual fatigue and lack of sleep for a long time, which leads to excessive use of eyes, further increasing the myopia rate among young students. In order to relieve students' eye fatigue during class, an anti-glare blackboard lamp is usually used to avoid eye discomfort caused by glare light.

[0003] Current blackboard lamps, such as the Chinese utility model patent document, application number: CN202122144427.7, a glare-proof blackboard lamp for classrooms, comprising: a blackboard lamp main body shell, a lamp holder is fixedly connected to the left and right sides of the lower side of the blackboard lamp main body shell, and a blackboard lamp tube is movably provided on the inner side of the lamp holder; a light adjustment plate, which is movable at the rear end of the blackboard lamp tube, and a rotating column is movably provided on the upper side of the light adjustment plate; a wire take-up reel, which is movably installed on the left and right sides of the blackboard lamp main body shell, and a restraining belt is movably provided on the inner side of the wire take-up reel; an adjustment buckle, which is fixedly installed on the left and right sides of the light adjustment plate, and a reflector is fixedly pasted on the upper surface of the light adjustment plate.

[0004] Although the device can adjust the light adjustment plate to prevent glare, first of all, the device can refract light forward and upward through light-collecting strips and reflectors to prevent glare. However, in actual use, the blackboard is usually located below the blackboard lamp. At this time, the upward refraction of light will cause the brightness of the light to decrease, and students may not be able to see the blackboard clearly. Then, the device adjusts the angle of the light adjustment plate by the length of the restraint belt, but the restraint belt will fall off in the air, which is not beautiful and will interfere with students' attention when observing the blackboard. Therefore, it needs to be improved and optimized. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model provides an anti-glare blackboard lamp, which has the advantages of good anti-glare effect and fast maintenance speed.

[0006] To achieve the above object, the utility model provides the following technical solutions: an anti-glare blackboard lamp, comprising columns, the columns are in total two groups, and light boxes are fixedly installed at the bottom of the two groups of columns, a dustproof plate is rotatably installed on the front side of the light box, a mounting frame is fixedly installed on the rear side of the dustproof plate, and a light strip is fixedly installed on the rear side of the mounting frame;

[0007] Bracket one is fixedly installed on the upper and lower sides of the interior of the light box, and a refraction plate is fixedly installed between the two groups of bracket one, bracket two is fixedly installed on the top of the inner wall of the light box, and a reflection plate is fixedly installed on the bottom of the bracket two, and an extension groove is fixedly installed on the bottom of the light box, a light-transmitting plate is arranged inside the extension groove, a rotating rod is fixedly sleeved on the upper end of the light-transmitting plate, and the rotating rod is rotatably installed on the outer wall of the extension groove, and limiting grooves are provided on the left and right sides of the outer wall of the extension groove, and a movable rod is movably installed inside the limiting groove, and the movable rod is fixedly connected to the light-transmitting plate.

[0008] As a preferred technical solution of the utility model, a heat dissipation groove is provided inside the dustproof plate;

[0009] The left and right sides of the light box are fixedly installed with fixing tubes, the fixing tubes and the outer wall of the light box are communicated with each other, a fixing head is movably installed inside the fixing tube, and the fixing head and the inner wall of the fixing tube are elastically connected through a spring.

[0010] As a preferred technical solution of the utility model, the movable rod is movably installed inside the limiting groove, and threads are provided on the left and right ends of the movable rod. The left and right sides of the movable rod are threadedly sleeved with the fastener.

[0011] As a preferred technical solution of the utility model, mounting blocks are fixedly installed on the left and right sides of the rear of the dustproof plate, and a pull rod is fixedly installed on the front side of the dustproof plate. The pull rod is located below the heat dissipation groove, and the mounting block and the fixed head are in conflict with each other.

[0012] As a preferred technical solution of the utility model, a heat dissipation silicon sheet is fixedly arranged between the light strip and the mounting frame, and the mounting frame is made of PPS material.

[0013] As a preferred technical solution of the utility model, the bottom of the extended groove is arc-shaped to prevent light from escaping.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The light source provided by the light strip of the utility model is refracted by the refraction plate and reflected by the reflection plate, and finally projected by the light-transmitting plate. The projection angle of the light-transmitting plate is then controlled by the movable rod, and the movable rod can be rotated so that the fastener fixes the inclination angle of the light-transmitting plate. Compared with the traditional device, the device avoids the exposure of the light source and improves the anti-glare efficiency by setting the refraction plate and the reflection plate. The irradiation angle of the light-transmitting plate is adjusted by setting the movable rod, so that the device can provide a good light source at different heights. Finally, the arc plate at the bottom of the extension groove is further used to prevent light from escaping, thereby protecting the students' eyes.

[0016] 2. The utility model uses the elastic potential energy of the spring to enable the staff to pull the pull rod outward to open the dustproof plate, shrink the fixed head into the fixed tube, and then close the dustproof plate to fix the mounting block through the spring. Compared with the traditional device, the device drives the fixed head to fix the mounting block through the elastic potential energy of the spring, making the opening and fixing of the dustproof plate faster, facilitating the inspection and maintenance of the light strip, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 This is a schematic diagram of the structure of the refraction plate of the utility model;

[0019] Figure 3 This is a schematic diagram of the limit groove structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the utility model when the dustproof plate is opened;

[0021] Figure 5 This is a schematic diagram of the heat dissipation silicon chip structure of the utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the fixed head of the utility model.

[0023] In the figure: 1. column; 2. light box; 3. dustproof plate; 4. mounting frame; 5. light strip; 6. bracket one; 7. refraction plate; 8. bracket two; 9. reflection plate; 10. extension slot; 11. light-transmitting plate; 12. rotating rod; 13. limit slot; 14. movable rod; 15. fastener; 16. heat dissipation slot; 17. pull rod; 18. mounting block; 19. fixing tube; 20. fixing head; 21. spring; 22. heat dissipation silicon chip. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figures 1 to 6 As shown, the utility model provides an anti-glare blackboard lamp, comprising a column 1, wherein the columns 1 have two groups, and a light box 2 is fixedly installed at the bottom of the two groups of columns 1, a dustproof plate 3 is rotatably installed at the front side of the light box 2, a mounting frame 4 is fixedly installed at the rear side of the dustproof plate 3, and a light strip 5 is fixedly installed at the rear side of the mounting frame 4;

[0026] A bracket 6 is fixedly installed on the upper and lower sides of the interior of the light box 2, and a refraction plate 7 is fixedly installed between the two groups of brackets 6, a bracket 2 is fixedly installed on the top of the inner wall of the light box 2, and a reflective plate 9 is fixedly installed on the bottom of the bracket 28. An extension groove 10 is fixedly installed on the bottom of the light box 2, and a light-transmitting plate 11 is arranged inside the extension groove 10. A rotating rod 12 is fixedly sleeved on the upper end of the light-transmitting plate 11, and the rotating rod 12 is rotatably installed on the outer wall of the extension groove 10. Limiting grooves 13 are provided on the left and right sides of the outer wall of the extension groove 10, and a movable rod 14 is movably installed inside the limiting groove 13, and the movable rod 14 is fixedly connected to the light-transmitting plate 11.

[0027] When performing lighting operations, the staff first fixes the light box 2 through two groups of columns 1, and then can adjust the light-transmitting plate 11 according to the height of the light box 2 and the position of the blackboard. At this time, the movable rod 14 moves along the limiting groove 13, and the angle of the light-transmitting plate 11 changes. After adjusting to a suitable angle, the staff rotates the fastener 15 to displace the fastener 15 along the movable rod 14, and tightens the position of the movable rod 14 to complete the adjustment of the light-transmitting plate 11. Then the staff turns on the light strip 5, and the light generated by the light strip 5 will pass through the refraction plate 7. The refraction plate 7 refracts the light source obliquely upward, and the refracted light is reflected by the reflection plate 9 and finally projected by the light-transmitting plate 11. At this time, the arc plate at the bottom of the extension groove 10 will further prevent the light from escaping to avoid irritation of the students' eyes. When the light strip 5 is working, the heat dissipation silicon chip 22 at the rear of the light strip 5 will transfer the heat generated by the light strip 5 to the mounting frame 4, and the mounting frame 4 will be cooled by the setting of the heat dissipation groove 16. When the light strip 5 is damaged due to long-term work, the staff can pull the pull rod 17 outward. At this time, the dustproof plate 3 drives the mounting blocks 18 on both sides thereof to move. The movement of the mounting blocks 18 will squeeze the fixed head 20, so that the fixed head 20 is stored in the fixed tube 19, and the spring 21 is compressed at this time. After the dustproof plate 3 is opened, the spring 21 drives the fixed head 20 to reset, and the staff can inspect the light strip 5 inside the dustproof plate 3. After the inspection is completed, the staff buckles the dustproof plate 3 and the light box 2 together. At this time, the fixed head 20 is fixed by the elastic potential energy of the spring 21 and the mounting block 18.

[0028] The light source provided by the light strip 5 is refracted by the refraction plate 7 and reflected by the reflection plate 9, and finally projected by the light-transmitting plate 11. The projection angle of the light-transmitting plate 11 is then controlled by the movable rod 14, and the movable rod 14 can be rotated so that the fastener 15 fixes the inclination angle of the light-transmitting plate 11. Compared with the traditional device, the device avoids exposure of the light source and improves the anti-glare efficiency through the arrangement of the refraction plate 7 and the reflection plate 9. The irradiation angle of the light-transmitting plate 11 is adjusted through the arrangement of the movable rod 14, so that the device can provide a good light source at different heights. Finally, the arc plate at the bottom of the extension groove 10 is used to further prevent light from escaping, thereby protecting the students' eyes.

[0029] The dustproof plate 3 has a heat dissipation slot 16 formed inside.

[0030] A fixing tube 19 is fixedly installed on the left and right sides of the light box 2. The fixing tube 19 and the outer wall of the light box 2 are connected to each other. A fixing head 20 is movably installed inside the fixing tube 19. The fixing head 20 and the inner wall of the fixing tube 19 are elastically connected by a spring 21.

[0031] When the light strip 5 is damaged due to long-term work, the staff can pull the pull rod 17 outwards. At this time, the dustproof plate 3 drives the mounting blocks 18 on both sides thereof to move. The movement of the mounting blocks 18 will squeeze the fixing head 20, so that the fixing head 20 is stored in the fixing tube 19. At this time, the spring 21 is compressed. After the dustproof plate 3 is opened, the spring 21 drives the fixing head 20 to reset, and the staff can inspect the light strip 5 inside the dustproof plate 3.

[0032] Through the elastic potential energy of the spring 21, the staff can pull the pull rod 17 outward to open the dustproof plate 3, so that the fixed head 20 can be retracted into the fixed tube 19, and then the dustproof plate 3 can be closed to fix the mounting block 18 through the spring 21. Compared with the traditional device, the device drives the fixed head 20 to fix the mounting block 18 through the elastic potential energy of the spring 21, so that the opening and fixing of the dustproof plate 3 is faster, which is convenient for the inspection and maintenance of the light strip 5 and improves the work efficiency.

[0033] The movable rod 14 is movably installed inside the limiting groove 13 , and threads are provided at the left and right ends of the movable rod 14 . The left and right sides of the movable rod 14 are threadedly sleeved with the fastener 15 .

[0034] After the angle of the light-transmitting plate 11 is adjusted, the staff rotates the fastener 15 to move the fastener 15 along the movable rod 14 and fastens the position of the movable rod 14 .

[0035] Among them, mounting blocks 18 are fixedly installed on the left and right sides of the rear of the dustproof plate 3, and a pull rod 17 is fixedly installed on the front side of the dustproof plate 3. The pull rod 17 is located below the heat dissipation slot 16, and the mounting block 18 and the fixed head 20 are in conflict with each other.

[0036] After the inspection is completed, the staff will buckle the dustproof plate 3 and the light box 2 together. At this time, the fixing head 20 and the mounting block 18 are in conflict with each other through the elastic potential energy of the spring 21, and the fixing is completed.

[0037] A heat dissipation silicon sheet 22 is fixedly arranged between the light strip 5 and the mounting frame 4, and the mounting frame 4 is made of PPS material.

[0038] When the light strip 5 is working, the heat dissipation silicon chip 22 at the rear of the light strip 5 will transfer the heat generated by the light strip 5 to the mounting frame 4 , and dissipate the heat of the mounting frame 4 through the setting of the heat dissipation groove 16 .

[0039] The bottom of the extension groove 10 is arc-shaped to prevent light from escaping.

[0040] The working principle and use process of this utility model:

[0041] When performing lighting operations, the staff first fixes the light box 2 through two groups of columns 1, and then can adjust the light-transmitting plate 11 according to the height of the light box 2 and the position of the blackboard. At this time, the movable rod 14 moves along the limiting groove 13, and the angle of the light-transmitting plate 11 changes. After adjusting to a suitable angle, the staff rotates the fastener 15 to displace the fastener 15 along the movable rod 14, and tightens the position of the movable rod 14 to complete the adjustment of the light-transmitting plate 11. Then the staff turns on the light strip 5, and the light generated by the light strip 5 will pass through the refraction plate 7. The refraction plate 7 refracts the light source obliquely upward, and the refracted light is reflected by the reflection plate 9 and finally projected by the light-transmitting plate 11. At this time, the arc plate at the bottom of the extension groove 10 will further prevent the light from escaping to avoid irritation of the students' eyes. When the light strip 5 is working, the heat dissipation silicon chip 22 at the rear of the light strip 5 will transfer the heat generated by the light strip 5 to the mounting frame 4, and the mounting frame 4 will be cooled by the setting of the heat dissipation groove 16. When the light strip 5 is damaged due to long-term work, the staff can pull the pull rod 17 outward. At this time, the dustproof plate 3 drives the mounting blocks 18 on both sides thereof to move. The movement of the mounting blocks 18 will squeeze the fixed head 20, so that the fixed head 20 is stored in the fixed tube 19, and the spring 21 is compressed at this time. After the dustproof plate 3 is opened, the spring 21 drives the fixed head 20 to reset, and the staff can inspect the light strip 5 inside the dustproof plate 3. After the inspection is completed, the staff buckles the dustproof plate 3 and the light box 2 together. At this time, the fixed head 20 is fixed by the elastic potential energy of the spring 21 and the mounting block 18.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-glare blackboard lamp, comprising a column (1), characterized in that: There are two groups of upright posts (1), and light boxes (2) are fixedly installed at the bottom of the two groups of upright posts (1), a dustproof plate (3) is rotatably installed on the front side of the light box (2), a mounting frame (4) is fixedly installed on the rear side of the dustproof plate (3), and a light strip (5) is fixedly installed on the rear side of the mounting frame (4); The upper and lower sides of the interior of the light box (2) are fixedly mounted with brackets one (6), and a refraction plate (7) is fixedly mounted between two groups of brackets one (6); the top of the inner wall of the light box (2) is fixedly mounted with bracket two (8), and the bottom of the bracket two (8) is fixedly mounted with a reflection plate (9); the bottom of the light box (2) is fixedly mounted with an extension groove (10), a light-transmitting plate (11) is arranged inside the extension groove (10), a rotating rod (12) is fixedly sleeved at the upper end of the light-transmitting plate (11), and the rotating rod (12) is rotatably mounted on the outer wall of the extension groove (10); the left and right sides of the outer wall of the extension groove (10) are provided with limit grooves (13), and a movable rod (14) is movably mounted inside the limit groove (13), and the movable rod (14) and the light-transmitting plate (11) are fixedly connected.

2. The anti-glare blackboard lamp according to claim 1, characterized in that: A heat dissipation groove (16) is provided inside the dustproof plate (3); A fixing tube (19) is fixedly mounted on both left and right sides of the light box (2); the fixing tube (19) and the outer wall of the light box (2) are in communication with each other; a fixing head (20) is movably mounted inside the fixing tube (19); the fixing head (20) and the inner wall of the fixing tube (19) are elastically connected via a spring (21).

3. The anti-glare blackboard lamp according to claim 1, characterized in that: The movable rod (14) is movably installed inside the limiting groove (13), and threads are provided on the left and right ends of the movable rod (14). The left and right sides of the movable rod (14) are both threadedly sleeved with the fastener (15).

4. The anti-glare blackboard lamp according to claim 1, characterized in that: Mounting blocks (18) are fixedly installed on both left and right sides of the rear of the dustproof plate (3), and a pull rod (17) is fixedly installed on the front side of the dustproof plate (3). The pull rod (17) is located below the heat dissipation groove (16), and the mounting block (18) and the fixed head (20) are in conflict with each other.

5. The anti-glare blackboard lamp according to claim 1, characterized in that: A heat dissipation silicon sheet (22) is fixedly arranged between the light strip (5) and the mounting frame (4), and the mounting frame (4) is made of PPS material.

6. The anti-glare blackboard lamp according to claim 1, characterized in that: The bottom of the extended groove (10) is arc-shaped to prevent light from escaping.

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