Anti-dazzling lamp for classroom

Abstract

The utility model discloses an anti-dazzling lamp for a classroom, and relates to the technical field of blackboard lamps. The lifting device comprises a wall body and a fixing block, the fixing block is fixedly connected to the bottom of the wall body, the bottom of the wall body is provided with a lifting device, the lifting device comprises a motor, the motor is fixedly connected to the side face of the fixing block, an output shaft of the motor is fixedly connected with a bidirectional reciprocating lead screw, and the bidirectional reciprocating lead screw is fixedly connected with the fixing block. The circumferential face of the bidirectional reciprocating lead screw is sleeved with a threaded sleeve in a threaded mode, and the bottom of the threaded sleeve is fixedly connected with a first connecting block. The driving force of the motor drives the bidirectional reciprocating lead screw, the threaded sleeve, the first connecting block, the pin shaft and other components to be matched with one another, the bidirectional reciprocating lead screw fixed to the output shaft of the motor rotates clockwise, and therefore the threaded sleeve connected to the circumferential face of the bidirectional reciprocating lead screw in a threaded and sleeved mode moves towards the middle. And a purpose that a worker needs to stand at a high position to replace the lamp tube is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of blackboard lamps, in particular to an anti-glare lamp for classrooms. Background Art

[0002] The design of anti-glare lamps for classrooms involves multiple background technologies to ensure good lighting effects, prevent glare, and improve learning and work efficiency. Anti-glare lamps can use dimmable technology to enable users to adjust the light brightness as needed, which helps to adapt to different learning or working environments and avoid glare caused by strong light. Anti-glare lamps with adjustable color temperature can adjust the color temperature of the light according to user preferences or environmental requirements. Warmer light is usually more suitable for learning and reading, while cooler light is suitable for tasks that require more concentration. When designing anti-glare lamps, uniform lighting technology should be used to ensure that the light is evenly distributed and avoid strong light spots or shadows, thereby reducing the sense of glare. The lampshade or lamp design of the anti-glare lamp should consider minimizing or eliminating the effect of glare.

[0003] According to the disclosure of an anti-glare blackboard lamp (Announcement No.: CN 210197123 U), the lamp housing, LED light source assembly, total internal reflection TIR lens, driver and end cover, the lamp housing is provided with a receiving groove arranged along the length direction of the lamp housing, the LED light source assembly is installed in the receiving groove, the total internal reflection TIR lens is installed at the notch of the receiving groove, and also includes a light baffle, one of the long sides of the light baffle is rotatably connected to the side of the notch of the receiving groove away from the blackboard, the light baffle is below the total internal reflection TIR lens, when the lamp tube is damaged, the lampshade cannot be lowered to disassemble the lamp tube, there is a safety hazard, which needs to be improved. Utility Model Content

[0004] The utility model aims to provide an anti-glare lamp for classrooms, which drives the two-way reciprocating screw, threaded sleeve, connecting block, pin shaft and other components to cooperate with each other through the driving force of the motor, so as to realize the clockwise rotation of the two-way reciprocating screw fixed on the output shaft of the motor, so that the threaded sleeve connected to the circumferential surface of the two-way reciprocating screw moves toward the middle, thereby solving the existing problems.

[0005] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0006] The utility model discloses an anti-glare lamp for classroom, comprising a wall and a fixed block, wherein the fixed block is fixedly connected to the bottom of the wall, a lifting device is arranged at the bottom of the wall, and the lifting device comprises a motor, wherein the motor is fixedly connected to the side of the fixed block, an output shaft of the motor is fixedly connected to a bidirectional reciprocating screw rod, a threaded sleeve is threadedly sleeved on the circumferential surface of the bidirectional reciprocating screw rod, a connecting block 1 is fixedly connected to the bottom of the threaded sleeve, a pin is fixedly connected to the inner wall of the connecting block 1, a connecting plate is rotatably connected to the circumferential surface of the pin, a rotating shaft is rotatably penetrated through the side surface of the connecting plate, and a connecting block 2 is fixedly connected to one end of the rotating shaft.

[0007] Furthermore, a sliding rod is fixedly connected to the bottom of the wall, a sliding rod is slidably connected to the inner wall of the sliding rod, an end of the sliding rod away from the sliding rod is fixedly connected to a base plate, a lampshade is fixedly connected to the bottom of the base plate, and the design of the sliding rod is conducive to preventing the threaded sleeve from rotating together with the bidirectional reciprocating screw.

[0008] Furthermore, the circumferential surface of the bidirectional reciprocating screw rod is provided with positive threads and negative threads, the number of the threaded sleeves is set to two, the number of the connecting blocks is two, and they are symmetrical along the center of the base plate. The design that the circumferential surface of the bidirectional reciprocating screw rod is provided with positive threads and negative threads is conducive to the extension and retraction of the lifting device.

[0009] Furthermore, a fixing device is provided inside the lampshade, and the fixing device includes a rectangular block, the rectangular block is fixedly connected to the top of the inner wall of the lampshade, the bottom of the rectangular block is fixedly connected to a support plate, the side of the support plate is fixedly connected to a spring telescopic rod, the end of the spring telescopic rod away from the support plate is fixedly connected to an extrusion block, the inner wall of the extrusion block is fixedly connected to a protective pad, and the design of the spring telescopic rod is conducive to the resetting of the extrusion block.

[0010] Furthermore, a slide groove is provided at the bottom of the rectangular block, a slider is slidably connected to the inner wall of the slide groove, a support block is fixedly connected to the bottom of the rectangular block, a toggle block is fixedly connected to the bottom of the extrusion block, a lamp tube is arranged on the side of the protection pad, and the design of the slide groove is conducive to the sliding of the slider.

[0011] Furthermore, the sliding block is fixedly connected to the bottom of the extrusion block, and the material of the protection pad is set to rubber. The design of setting the material of the protection pad to rubber is conducive to protecting the lamp tube.

[0012] Furthermore, the motor is configured as a three-phase asynchronous motor, the motor is started by an external power supply, the side section of the connecting block 2 is concave, and the design of the motor being configured as a three-phase asynchronous motor is conducive to clockwise and counterclockwise rotation of the output shaft.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model uses the driving force of the motor to drive the two-way reciprocating screw, the threaded sleeve, the connecting block, the pin shaft and other components to cooperate with each other, so that the two-way reciprocating screw fixed on the output shaft of the motor rotates clockwise, so that the threaded sleeve connected to the circumferential surface of the two-way reciprocating screw moves toward the middle, and when the lamp tube is damaged, it avoids the need for the staff to stand at a high place to replace the lamp tube.

[0015] 2. The utility model drives the support plate, the spring telescopic rod, the extrusion block, the protective pad and other components to cooperate with each other through the thrust of the toggle block, so that the extrusion block fixed on the top of the toggle block moves horizontally to the right, driving the slider sliding on the inner wall of the slide groove to slide to the right, so that the spring at one end of the spring telescopic rod contracts to the right, avoiding the inconvenience of replacing the lamp tube when replacing the lamp tube.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a three-dimensional appearance schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the wall of the utility model when viewed from above;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the lifting device of the utility model;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the lampshade of the utility model;

[0022] Figure 5 It is a half-section three-dimensional structural schematic diagram of the fixing device of the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Wall; 2. Fixing block; 3. Sliding rod; 4. Sliding rod; 5. Bottom plate; 6. Lamp cover; 7. Lifting device; 71. Motor; 72. Bidirectional reciprocating screw rod; 73. Threaded sleeve; 74. Connecting block 1; 75. Pin shaft; 76. Connecting plate; 77. Connecting block 2; 78. Rotating shaft; 8. Fixing device; 81. Rectangular block; 82. Support plate; 83. Spring telescopic rod; 84. Extrusion block; 85. Protective pad; 86. Sliding block; 87. Slide groove; 88. Support block; 89. Toggle block; 9. Lamp tube. DETAILED DESCRIPTION

[0025] 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 of 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.

[0026] See also Figure 1-5 The utility model is an anti-glare lamp for classroom, comprising a wall 1 and a fixed block 2, the fixed block 2 is fixedly connected to the bottom of the wall 1, a lifting device 7 is arranged at the bottom of the wall 1, the lifting device 7 comprises a motor 71, the motor 71 is fixedly connected to the side of the fixed block 2, the output shaft of the motor 71 is fixedly connected to a two-way reciprocating screw rod 72, the circumferential surface of the two-way reciprocating screw rod 72 is threadedly sleeved with a threaded sleeve 73, the bottom of the threaded sleeve 73 is fixedly connected to a connecting block 1 74, the inner wall of the connecting block 1 74 is fixedly connected with a pin shaft 75, the circumferential surface of the pin shaft 75 is rotatably connected to a connecting plate 76, the side of the connecting plate 76 is rotatably penetrated by a rotating shaft 78, and one end of the rotating shaft 78 is fixedly connected to a connecting block 2 77.

[0027] A sliding rod 3 is fixedly connected to the bottom of the wall 1, a sliding rod 4 is slidably connected to the inner wall of the sliding rod 3, an end of the sliding rod 4 away from the sliding rod 3 is fixedly connected to a base plate 5, and a lampshade 6 is fixedly connected to the bottom of the base plate 5. The design of the sliding rod 4 is conducive to preventing the threaded sleeve 73 from rotating together with the bidirectional reciprocating screw 72.

[0028] The circumferential surface of the bidirectional reciprocating screw rod 72 is provided with positive threads and negative threads, the number of threaded sleeves 73 is set to two, the number of connecting blocks 74 is two, and they are symmetrical along the center of the base plate 5. The design of the circumferential surface of the bidirectional reciprocating screw rod 72 being provided with positive threads and negative threads is conducive to the extension and retraction of the lifting device 7.

[0029] A fixing device 8 is provided inside the lampshade 6, and the fixing device 8 includes a rectangular block 81, which is fixedly connected to the top of the inner wall of the lampshade 6, and the bottom of the rectangular block 81 is fixedly connected to a support plate 82, and the side of the support plate 82 is fixedly connected to a spring telescopic rod 83, and the end of the spring telescopic rod 83 away from the support plate 82 is fixedly connected to an extrusion block 84, and the inner wall of the extrusion block 84 is fixedly connected to a protective pad 85. The design of the spring telescopic rod 83 is conducive to the resetting of the extrusion block 84.

[0030] A slide groove 87 is provided at the bottom of the rectangular block 81, and a slider 86 is slidably connected to the inner wall of the slide groove 87. A support block 88 is fixedly connected to the bottom of the rectangular block 81, and a toggle block 89 is fixedly connected to the bottom of the extrusion block 84. A lamp tube 9 is arranged on the side of the protection pad 85. The design of the slide groove 87 is conducive to the sliding of the slider 86.

[0031] The slider 86 is fixedly connected to the bottom of the extrusion block 84 . The material of the protection pad 85 is set to rubber. The design of setting the material of the protection pad 85 to rubber is conducive to protecting the lamp tube 9 .

[0032] The motor 71 is configured as a three-phase asynchronous motor, which is started by an external power supply. The side section of the connecting block 77 is concave. The design of the motor 71 as a three-phase asynchronous motor is conducive to the clockwise and counterclockwise rotation of the output shaft.

[0033] A specific application of this embodiment is as follows: first, the staff starts the motor 71 fixed to the side of the fixed block 2. When the output shaft rotates clockwise, the bidirectional reciprocating screw 72 fixed to the output shaft of the motor 71 is driven to rotate clockwise, so that the threaded sleeve 73 threadedly connected to the circumferential surface of the bidirectional reciprocating screw 72 moves toward the middle, and at the same time, the connecting block 1 74 fixed to the bottom of the threaded sleeve 73 moves inward, so that the pin shaft 75 fixed to the inner wall of the connecting block 1 74 moves inward. When the pin shaft 75 moves inward, it drives the rotating The connecting plate 76 rotating on the circumferential surface of the pin shaft 75 rotates, so that the rotating shaft 78 rotating on the side of the connecting plate 76 moves downward, so that the connecting block 2 77 fixed on the side of the rotating shaft 78 moves downward, and finally drives the bottom plate 5 to move downward, so that the staff does not need to disassemble the lamp tube 9 at a high place. When the staff disassembles the lamp tube 9, firstly, the toggle block 89 fixed at the bottom of the extrusion block 84 moves horizontally to the right side, so that the extrusion block 84 fixed on the top of the toggle block 89 moves horizontally to the right side, driving the sliding block 89 on the inner wall of the slide groove 87 to move horizontally. The slider 86 of the spring telescopic rod 83 slides to the right, thereby causing the spring at one end of the spring telescopic rod 83 to contract to the right. Then the staff replaces the damaged lamp tube 9 with a new one, and finally gently releases the toggle block 89, so that the spring telescopic rod 83 drives the extrusion block 84 to reset, thereby driving the protection pad 85 fixed on the inner wall of the extrusion block 84 to contact the circumferential surface of the lamp tube 9, and then starts the motor 71. When the output shaft rotates counterclockwise, the bidirectional reciprocating screw rod 72 fixed on the output shaft of the motor 71 rotates counterclockwise, so that the threaded sleeve on The threaded sleeve 73 on the circumferential surface of the bidirectional reciprocating screw 72 moves outward, and at the same time, the connecting block 74 fixed on the bottom of the threaded sleeve 73 moves outward, thereby causing the pin shaft 75 fixed on the inner wall of the connecting block 74 to move outward. When the pin shaft 75 moves outward, it drives the connecting plate 76 rotating on the circumferential surface of the pin shaft 75 to rotate, causing the rotating shaft 78 rotating on the side of the connecting plate 76 to move upward, thereby causing the connecting block 2 77 fixed on the side of the rotating shaft 78 to move upward, and finally driving the bottom plate 5 to move upward, thereby resetting the lampshade 6.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An anti-glare lamp for classroom, comprising a wall (1) and a fixing block (2), characterized in that: The fixed block (2) is fixedly connected to the bottom of the wall (1), and a lifting device (7) is provided at the bottom of the wall (1); The lifting device (7) comprises a motor (71), the motor (71) is fixedly connected to the side of the fixed block (2), the output shaft of the motor (71) is fixedly connected to a bidirectional reciprocating screw rod (72), the circumferential surface of the bidirectional reciprocating screw rod (72) is threadedly sleeved with a threaded sleeve (73), the bottom of the threaded sleeve (73) is fixedly connected to a connecting block 1 (74), the inner wall of the connecting block 1 (74) is fixedly connected to a pin shaft (75), the circumferential surface of the pin shaft (75) is rotatably connected to a connecting plate (76), the side of the connecting plate (76) is rotatably penetrated by a rotating shaft (78), and one end of the rotating shaft (78) is fixedly connected to a connecting block 2 (77).

2. The anti-glare lamp for classroom according to claim 1, characterized in that: The bottom of the wall (1) is fixedly connected to a sliding rod (3), the inner wall of the sliding rod (3) is slidably connected to a sliding rod (4), one end of the sliding rod (4) away from the sliding rod (3) is fixedly connected to a bottom plate (5), and the bottom of the bottom plate (5) is fixedly connected to a lampshade (6).

3. The anti-glare lamp for classroom according to claim 2, characterized in that: The circumferential surface of the bidirectional reciprocating screw rod (72) is provided with positive threads and negative threads, the number of the threaded sleeves (73) is set to two, and the number of the connecting blocks (74) is two and is symmetrical along the center of the bottom plate (5).

4. The anti-glare lamp for classroom according to claim 3, characterized in that: A fixing device (8) is provided inside the lampshade (6), and the fixing device (8) comprises a rectangular block (81), the rectangular block (81) is fixedly connected to the top of the inner wall of the lampshade (6), the bottom of the rectangular block (81) is fixedly connected to a support plate (82), the side of the support plate (82) is fixedly connected to a spring telescopic rod (83), the end of the spring telescopic rod (83) away from the support plate (82) is fixedly connected to an extrusion block (84), and the inner wall of the extrusion block (84) is fixedly connected to a protective pad (85).

5. The anti-glare lamp for classroom according to claim 4, characterized in that: The bottom of the rectangular block (81) is provided with a slide groove (87), the inner wall of the slide groove (87) is slidably connected to a slider (86), the bottom of the rectangular block (81) is fixedly connected to a support block (88), the bottom of the extrusion block (84) is fixedly connected to a toggle block (89), and a lamp tube (9) is arranged on the side of the protection pad (85).

6. The anti-glare lamp for classroom according to claim 5, characterized in that: The sliding block (86) is fixedly connected to the bottom of the extrusion block (84), and the material of the protection pad (85) is set to be rubber.

7. The anti-glare lamp for classroom according to claim 5, characterized in that: The motor (71) is configured as a three-phase asynchronous motor, the motor (71) is started by an external power supply, and the side cross-section of the second connecting block (77) is concave.

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