Light-emitting diode (LED) table lamp capable of adjusting size of light source

Abstract

The utility model relates to the technical field of LED table lamps, in particular to an LED table lamp capable of adjusting the size of a light source, which comprises a base, a touch switch arranged on the surface of the base, a protective cover plate arranged at the upper end of the touch switch, an adjusting sleeve arranged at the upper end of the base, an adjusting knob arranged on the left side of the adjusting sleeve, and a first lead screw arranged on the inner side of the adjusting sleeve. A telescopic rod is arranged at the upper end of the adjusting sleeve, a threaded sleeve is arranged at the lower end of the telescopic rod, a lamp body is arranged at the upper end of the telescopic rod, a light shield is arranged on the outer side of the lamp body, a second lead screw is arranged on the left side of the upper end of the lamp body, and an adjusting plate is arranged on the outer side of the second lead screw; the protective cover plate covers the surface of the touch switch, the touch switch is protected, mistaken touch or dust falling of the touch switch is avoided, the telescopic rod can be controlled to slide up and down under the transmission action of the threaded sleeve by rotating the adjusting knob, the supporting height of the lamp body is adjusted, the adjusting plate is controlled by the second lead screw to drive the light shield to ascend and descend, and the supporting height of the lamp body is adjusted. And the light source scattering degree is adjusted.

Description

Technical Field

[0001] This utility model relates to the field of LED desk lamp technology, and in particular to an LED desk lamp with adjustable light source size. Background Technology

[0002] An LED desk lamp is a desk lamp that uses LEDs, or light-emitting diodes, as its light source. An LED is a solid-state semiconductor device that can directly convert electricity into light. LED lighting is also known as solid-state lighting. As the third generation of lighting technology after incandescent lamps and fluorescent lamps, it features energy saving, environmental protection, safety, and reliability.

[0003] For example, patent number CN218268673U discloses an LED desk lamp with adjustable light source size, including a lamp base and a lampshade. A support is fixedly connected to one side of the top of the lamp base. The lampshade has an internal cavity, and an LED bulb is fixedly connected to the center of the top of the lampshade. A first LED ring is fixedly connected to the inner wall of the lampshade, and the first LED ring has a hollow internal structure. A second LED ring is fixedly connected inside the first LED ring. This LED desk lamp with adjustable light source size, through the design of the first, second, and third LED rings and a human body sensor switch, provides three levels of adjustable brightness, allowing users to adjust the light to a suitable level as needed, making it more convenient to use. It also improves the aesthetics and practicality of the device, meeting user needs. However, this patented LED desk lamp lacks an anti-accidental touch structure, which may lead to accidental on / off switching during use or when not in use. Furthermore, the height and diffusion of the light source cannot be adjusted according to usage requirements, resulting in low versatility.

[0004] Therefore, to address the issue that the aforementioned adjustable LED desk lamps may be accidentally turned on or off due to accidental touches during use or when not in use, and that the height and scattering of the light source cannot be adjusted according to usage needs, an adjustable LED desk lamp can be designed. This design incorporates a flexible switch-on / off anti-accidental touch structure to protect the switch from accidental touches, and an easily adjustable support and light-shielding structure to allow for adjustment of the light source height and scattering. Utility Model Content

[0005] To overcome the problems of adjustable LED desk lamps that may be accidentally turned on or off due to accidental touches during use or when not in use, and the inability to adjust the height and diffusion of the light source according to usage needs.

[0006] The technical solution of this utility model is as follows: an LED desk lamp with adjustable light source size, including a base, a touch switch on the surface of the base, a protective cover on the upper end of the touch switch, an adjustment sleeve on the upper end of the base, an adjustment knob on the left side of the adjustment sleeve, a lead screw on the inner side of the adjustment sleeve, a telescopic rod on the upper end of the adjustment sleeve, a threaded sleeve on the lower end of the telescopic rod, a lamp body on the upper end of the telescopic rod, a light shield on the outer side of the lamp body, a second lead screw on the left side of the upper end of the lamp body, and an adjustment plate on the outer side of the second lead screw.

[0007] Preferably, the touch switch is protected by covering it with a protective cover to prevent accidental touch or dust accumulation. The telescopic rod can be controlled to slide up and down under the transmission action of the threaded sleeve by rotating the adjustment knob, thereby adjusting the height of the lamp body support. The adjustment plate is controlled by the lead screw to drive the light shield to rise and fall, thereby adjusting the degree of light scattering.

[0008] Preferably, one end of the protective cover and the base are connected by a hinge, and the other end of the protective cover and the surface of the base are connected by magnetic attraction through magnetic block one and magnetic attraction block two. The protective cover and the upper end of the touch switch are compatible with each other.

[0009] Preferably, the lower end of the adjusting sleeve and the base are movably connected by a damping hinge, the adjusting knob and the left side of the adjusting sleeve are rotatably connected, and the right end of the adjusting knob extends to the inside of the adjusting sleeve and is fixedly installed with a bevel gear.

[0010] Preferably, the lower end of lead screw one is rotatably connected to the inner side of the adjusting sleeve, and bevel gear two is fixedly installed on the lower end of lead screw one, with bevel gear two meshing with bevel gear one.

[0011] Preferably, the lower end of the telescopic rod is slidably sleeved with the inner side of the adjusting sleeve, the threaded sleeve is fixedly connected to the lower end of the telescopic rod, the lead screw is threadedly connected to the inner side of the threaded sleeve, and the upper end of the telescopic rod is movably connected to the left side of the lamp body via a hinge.

[0012] Preferably, the outer sides of the light shield and the lamp body are compatible with each other, the adjustment plate has a U-shaped structure design, the front and rear ends of the adjustment plate are fixedly connected to the left side of the light shield, and the adjustment plate is slidably connected to the outer side of the left end of the lamp body.

[0013] Preferably, the lower end of the second lead screw is rotatably connected to the lamp body, the second lead screw is threadedly connected to the adjusting plate, and a knob is fixedly installed on the upper end of the second lead screw.

[0014] The beneficial effects of this utility model are:

[0015] This adjustable LED desk lamp protects the touch switch by placing a protective cover over it and engaging with a magnetic block, preventing accidental activation or dust accumulation. Rotating the adjustment knob drives bevel gears one and two, which in turn rotates screw one, controlling the telescopic rod to slide up and down under the transmission of the threaded sleeve, thus adjusting the lamp's support height. Rotating the knob controls screw two, causing the adjustment plate to raise and lower the light shield, adjusting the light scattering level. This convenient and quick design enhances the lamp's flexibility. Attached Figure Description

[0016] Figure 1 The illustration shows a three-dimensional structure of the adjustable light source LED desk lamp of this utility model. Figure 1 ;

[0017] Figure 2 The illustration shows a three-dimensional structure of the adjustable light source LED desk lamp of this utility model. Figure 2 ;

[0018] Figure 3 The illustration shows a three-dimensional structure of the adjustable light source LED desk lamp of this utility model. Figure 3 ;

[0019] Figure 4 The diagram shown is a three-dimensional cross-sectional view of the adjustable light source LED desk lamp of this utility model.

[0020] Figure 5 This utility model is shown. Figure 4 Enlarged diagram of point A.

[0021] Explanation of reference numerals in the attached diagram: 1. Base; 2. Touch switch; 3. Protective cover; 31. Magnetic block one; 32. Magnetic block two; 4. Adjusting sleeve; 5. Adjusting knob; 51. Bevel gear one; 6. Lead screw one; 61. Bevel gear two; 7. Telescopic rod; 8. Threaded sleeve; 9. Lamp body; 10. Light shield; 11. Lead screw two; 111. Knob; 12. Adjusting plate. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figures 1-5This utility model provides an embodiment: an LED desk lamp with adjustable light source size, including a base 1, a touch switch 2 on the surface of the base 1, a protective cover 3 on the upper end of the touch switch 2, an adjustment sleeve 4 on the upper end of the base 1, an adjustment knob 5 on the left side of the adjustment sleeve 4, a lead screw 6 on the inner side of the adjustment sleeve 4, a telescopic rod 7 on the upper end of the adjustment sleeve 4, a threaded sleeve 8 on the lower end of the telescopic rod 7, a lamp body 9 on the upper end of the telescopic rod 7, a light shield 10 on the outer side of the lamp body 9, a second lead screw 11 on the left side of the upper end of the lamp body 9, and an adjustment plate 12 on the outer side of the second lead screw 11.

[0024] Please see Figures 1-4 In this embodiment, one end of the protective cover plate 3 and the base 1 are connected by a hinge, and the other end of the protective cover plate 3 and the surface of the base 1 are magnetically connected by magnetic block 31 and magnetic block 32. The upper end of the protective cover plate 3 and the touch switch 2 are mutually compatible.

[0025] Please see Figures 2-5 In this embodiment, the lower end of the adjusting sleeve 4 and the base 1 are movably connected by a damping hinge. The adjusting knob 5 is rotatably connected to the left side of the adjusting sleeve 4. The right end of the adjusting knob 5 extends to the inner side of the adjusting sleeve 4 and is fixedly installed with a bevel gear 51. The lower end of the lead screw 6 is rotatably connected to the inner side of the adjusting sleeve 4. The lower end of the lead screw 6 is fixedly installed with a bevel gear 61. The bevel gear 61 and the bevel gear 51 are meshed together. The lower end of the telescopic rod 7 is slidably sleeved to the inner side of the adjusting sleeve 4. The threaded sleeve 8 is fixedly connected to the lower end of the telescopic rod 7. The lead screw 6 and the inner side of the threaded sleeve 8 are threadedly connected. The upper end of the telescopic rod 7 and the left side of the lamp body 9 are movably connected by a hinge.

[0026] Please see Figures 1-3 In this embodiment, the outer sides of the light shield 10 and the lamp body 9 are adapted to each other. The adjustment plate 12 has a U-shaped structure design. The front and rear ends of the adjustment plate 12 are fixedly connected to the left side of the light shield 10. The adjustment plate 12 is slidably connected to the outer side of the left end of the lamp body 9. The lower end of the second lead screw 11 is rotatably connected to the lamp body 9. The second lead screw 11 is threadedly connected to the adjustment plate 12. A knob 111 is fixedly installed on the upper end of the second lead screw 11.

[0027] When in operation, the protective cover 3 is placed on the surface of the touch switch 2 and engaged with the magnetic block 31 to protect the touch switch 2 from accidental activation or dust accumulation. The protective cover 3 is lifted and engaged with the magnetic block 32 to facilitate operation of the touch switch 2. The light source level of the lamp body 9 can be adjusted to adjust the light intensity. Rotating the adjustment knob 5 can drive the bevel gear 51 and bevel gear 61 to rotate, causing the lead screw 6 to rotate and control the telescopic rod 7 to slide up and down under the transmission of the threaded sleeve 8, thereby adjusting the support height of the lamp body 9. Rotating the knob 111 controls the lead screw 11 to rotate, causing the adjustment plate 12 to drive the light shield 10 to rise and fall, thereby adjusting the light scattering level. This is convenient, quick, and improves the flexibility of the desk lamp.

[0028] Through the above steps, by covering the surface of the touch switch 2 with the protective cover plate 3 and engaging with the magnetic block 31, the touch switch 2 is protected. By rotating the adjustment knob 5, the telescopic rod 7 can be controlled to slide up and down, thereby adjusting the support height of the lamp body 9. By rotating the knob 111, the lead screw 11 can be rotated, causing the adjustment plate 12 to drive the light shield 10 to rise and fall, thereby adjusting the degree of light scattering. This solves the problem that when an adjustable LED desk lamp is in use or not in use, it may be accidentally turned on or off due to accidental touch, and the height and scattering degree of its light source cannot be adjusted according to usage needs.

Claims

1. An adjustable light source size LED desk lamp, comprising a base (1), characterized in that: A touch switch (2) is provided on the surface of the base (1). A protective cover (3) is provided on the upper end of the touch switch (2). An adjustment sleeve (4) is provided on the upper end of the base (1). An adjustment knob (5) is provided on the left side of the adjustment sleeve (4). A lead screw (6) is provided on the inner side of the adjustment sleeve (4). A telescopic rod (7) is provided on the upper end of the adjustment sleeve (4). A threaded sleeve (8) is provided on the lower end of the telescopic rod (7). A lamp body (9) is provided on the upper end of the telescopic rod (7). A light shield (10) is provided on the outer side of the lamp body (9). A lead screw (11) is provided on the left side of the upper end of the lamp body (9). An adjustment plate (12) is provided on the outer side of the lead screw (11).

2. The LED table lamp with adjustable light source size according to claim 1, characterized in that: One end of the protective cover (3) and the base (1) are connected by a hinge, and the other end of the protective cover (3) and the surface of the base (1) are connected by magnetic attraction through magnetic block one (31) and magnetic attraction two (32). The upper end of the protective cover (3) and the touch switch (2) are compatible with each other.

3. The LED table lamp with adjustable light source size according to claim 1, characterized in that: The lower end of the adjusting sleeve (4) and the base (1) are connected by a damping hinge. The adjusting knob (5) is rotatably connected to the left side of the adjusting sleeve (4). The right end of the adjusting knob (5) extends to the inside of the adjusting sleeve (4) and is fixedly installed with a bevel gear (51).

4. The LED table lamp with adjustable light source size according to claim 3, characterized in that: The lower end of lead screw 1 (6) is rotatably connected to the inner side of adjusting sleeve (4), and bevel gear 2 (61) is fixedly installed on the lower end of lead screw 1 (6). Bevel gear 2 (61) and bevel gear 1 (51) are meshed together.

5. An LED desk lamp with adjustable light source size according to claim 1, characterized in that: The lower end of the telescopic rod (7) is slidably connected to the inner side of the adjusting sleeve (4), the threaded sleeve (8) is fixedly connected to the lower end of the telescopic rod (7), the screw rod (6) is threadedly connected to the inner side of the threaded sleeve (8), and the upper end of the telescopic rod (7) is movably connected to the left side of the lamp body (9) through a hinge.

6. The LED desk lamp with adjustable light source size according to claim 1, characterized in that: The outer sides of the light shield (10) and the lamp body (9) are adapted to each other. The adjustment plate (12) is designed in a U-shape. The front and rear ends of the adjustment plate (12) are fixedly connected to the left side of the light shield (10). The adjustment plate (12) and the outer side of the left end of the lamp body (9) are slidably connected.

7. The LED desk lamp with adjustable light source size according to claim 1, characterized in that: The lower end of the lead screw (11) is rotatably connected to the lamp body (9), the lead screw (11) is threadedly connected to the adjusting plate (12), and a knob (111) is fixedly installed on the upper end of the lead screw (11).

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