Eye-protection LED table lamp with shading strips

Abstract

The utility model discloses an eye protection LED table lamp with a shading strip, which belongs to the technical field of lighting lamps and comprises a lamp holder and an LED lamp cap, the upper side wall of the lamp holder is fixedly connected with a control switch, and the rear end of the upper side wall of the lamp holder is rotatably connected with a first support through a first damping rotating shaft. The upper end of the first support is rotationally connected with a second support through a second damping rotating shaft, the upper end of the second support is rotationally connected with the upper side wall of the LED lamp holder through a third damping rotating shaft, a glass cover is installed on the lower side wall of the LED lamp holder, and a conversion adjusting mechanism is arranged on the outer side wall of the LED lamp holder. According to the utility model, through the arrangement of the conversion adjusting mechanism and the shading strip provided with the transparent part, the light shading part, the medium shading part and the high shading part, the transmission displacement adjustment of the shading strip and the adjustment of each shading section on the shading strip can be realized, so that the adjustment of the shading degree is realized, the use is more convenient, and the application range is wider.

Description

Technical Field

[0001] The utility model relates to the technical field of lighting lamps, in particular to an eye-protection LED desk lamp with a shading strip. Background Art

[0002] An LED desk lamp is a desk lamp that uses LED, or light-emitting diode, as its light source. LED is a solid-state semiconductor device that can directly convert electricity into light. The LED lighting technology it uses is the third-generation lighting technology. The blue light produced by the use of LED desk lamps can cause damage to the eyes, but it also has a series of advantages. LED lighting, also known as solid-state lighting, is the third-generation lighting technology after incandescent lamps and fluorescent lamps. It is energy-saving, environmentally friendly, safe and reliable. Solid-state light sources are promising new light sources that have great potential to replace traditional lighting fixtures in the next decade, and represent the future of lighting technology.

[0003] In the Chinese patented eye protection study desk lamp (patent number: CN208365266U), the device is provided with a lamp holder, a lamp pole, and a lamp holder. The structure of the lamp holder is provided with a circular upper shell of the lamp holder, an aluminum substrate, a reflector, an inner ring LED lamp bead belt, an outer ring LED lamp bead belt, a light guide plate, a blue light reduction film, a diffuser plate, and a lower shell of the lamp holder from top to bottom; a shading plate for preventing light glare is provided on the edge of the lower shell of the lamp holder; the shading plate is a semicircular arc structure that moves along the lower shell of the lamp holder; a circuit board is provided in the lamp holder, and the lamp holder A dimmable touch switch is provided on the surface, and the circuit board is electrically connected to the dimmable touch switch, the inner ring LED lamp bead belt, and the outer ring LED lamp bead belt. The device proposes a more novel structure to improve the lighting surface and uniformity, double-sided ring LED lamp bead ring lighting, flexible adjustment of the lamp head angle and light intensity reminder structure, and has better eye protection, safety, and convenience. However, the device adopts structures such as the shading plate and the blue light reduction film, which cannot adjust the softness or brightness of the light according to actual use needs, and the use effect is not good. Utility Model Content

[0004] The purpose of the utility model is to provide an eye-protection LED desk lamp with a shading strip to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an eye-protection LED desk lamp with a shading strip, comprising a lamp holder and an LED lamp head, the upper side wall of the lamp holder is fixedly connected with a control switch, the rear end of the upper side wall of the lamp holder is rotatably connected with a first bracket through a first damping shaft, the upper end of the first bracket is rotatably connected with a second bracket through a second damping shaft, the upper end of the second bracket is rotatably connected with the upper side wall of the LED lamp head through a third damping shaft, a glass cover is installed on the lower side wall of the LED lamp head, a conversion and adjustment mechanism is provided on the outer side wall of the LED lamp head, a shading strip is wound around the conversion and adjustment mechanism, and the shading strip runs through the glass cover;

[0006] The conversion and adjustment mechanism includes storage boxes fixed at both ends of the LED lamp head, one end of the two storage boxes is fixedly connected to a cover strip, one side of the cover strip is inserted and rotatably connected to a handwheel rod, one end of the handwheel rod is fixedly connected to a double-grooved wheel, the inner walls of the two storage boxes are rotatably connected to two rollers through bearing seats, one end of the two rollers passes through the cover strip and is fixedly connected to a transmission wheel, the double-grooved wheels are transmission-connected to the two transmission wheels through a transmission belt, and the two ends of the shading strip are respectively wound around the two rollers.

[0007] As a further solution of the utility model: wherein, the shading strip includes a transparent portion, a light shading portion, a medium shading portion and a high shading portion in sequence.

[0008] As a further solution of the present invention: wherein, the LED lamp holder and the glass cover are detachably connected by means of bolt fixing.

[0009] As a further solution of the utility model: wherein, the side wall of the storage box is provided with a through hole connected to the cover strip, and the through hole is rotatably connected to the outer side wall of the roller through a bearing.

[0010] As a further solution of the utility model: wherein, two supporting rollers are provided at both ends of the LED lamp head, and the shading strip is arranged to abut against the supporting rollers.

[0011] As a further solution of the utility model: wherein, both ends of the glass cover are provided with through slots, and the shading strip is arranged through the two through slots.

[0012] As a further solution of the utility model: wherein, the front side walls of the two storage boxes are each provided with an opening, and the two ends of the shading strip are respectively arranged through the two openings.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The eye-protection LED desk lamp with a shading strip can shield the illumination of the LED lamp head by adding a shading strip to achieve a soft light effect. The shading strip is provided with a transparent portion, a light shading portion, a medium shading portion and a high shading portion, and the shading degree can be adjusted in multiple gears to improve the scope of use. Secondly, a conversion adjustment mechanism is provided. When the shading degree of the shading strip needs to be adjusted according to the use requirements, the handwheel rod is rotated to drive the double-grooved wheel to rotate. Since the double-grooved wheel is driven by two transmission belts and two transmission wheels, and then drives the two rollers to rotate synchronously, the transmission displacement adjustment of the shading strip can be realized, and each shading section on the shading strip can be adjusted to achieve the adjustment of the shading degree. The use is more convenient and the application range is wider. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a three-dimensional enlarged structural diagram of the LED lamp holder in the utility model;

[0017] Figure 3 For the utility model Figure 2 Schematic diagram of the structure viewed from above;

[0018] Figure 4 For the utility model Figure 3 A schematic diagram of the cross-sectional structure of;

[0019] Figure 5 It is a structural schematic diagram of the shading strip in the utility model.

[0020] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0021] 1. Lamp holder; 2. LED lamp head; 3. Control switch; 4. First bracket; 5. Second bracket; 6. Glass cover; 7. Shading strip; 701. Transparent part; 702. Light shading part; 703. Medium shading part; 704. High shading part; 8. Storage box; 9. Cover strip; 10. Handwheel rod; 11. Double groove wheel; 12. Roller; 13. Drive wheel; 14. Drive belt; 15. Support roller; 16. Through groove; 17. Opening. DETAILED DESCRIPTION

[0022] See also Figures 1 to 5In the practical embodiment, an eye-protection LED desk lamp with a shading strip comprises a lamp holder 1 and an LED lamp head 2. A control switch 3 is fixedly connected to the upper side wall of the lamp holder 1. The rear end of the upper side wall of the lamp holder 1 is rotatably connected to a first bracket 4 through a first damping shaft. The upper end of the first bracket 4 is rotatably connected to a second bracket 5 through a second damping shaft. The upper end of the second bracket 5 is rotatably connected to the upper side wall of the LED lamp head 2 through a third damping shaft, so as to adjust the illumination angle of the LED lamp head 2 at multiple angles. The use is convenient. A glass cover 6 is installed on the lower side wall of the LED lamp head 2 to prevent dust. A conversion and adjustment mechanism is provided on the outer side wall of the LED lamp head 2. A shading strip 7 is wound around the conversion and adjustment mechanism. The shading strip 7 runs through the glass cover 6. The shading strip 7 can block the illumination of the LED lamp head 2 to achieve a soft light effect.

[0023] The conversion adjustment mechanism includes a storage box 8 fixed at both ends of the LED lamp head 2, one end of the two storage boxes 8 is fixedly connected to a cover strip 9, one side of the cover strip 9 is inserted and rotatably connected to a handwheel rod 10, one end of the handwheel rod 10 is fixedly connected to a double groove wheel 11, the inner walls of the two storage boxes 8 are rotatably connected to two rollers 12 through a bearing seat, one end of the two rollers 12 are both inserted into the cover strip 9 and are fixedly connected to a transmission wheel 13, and the double groove wheels 11 are transmission-connected to the two transmission wheels 13 through a transmission belt 14 The two ends of the shading strip 7 are respectively wound on two rollers 12. When the shading degree of the shading strip 7 needs to be adjusted according to the use requirements, the handwheel rod 10 is rotated to drive the double-grooved wheel 11 to rotate. Since the double-grooved wheel 11 is transmitted through two transmission belts 14 and two transmission wheels 13, the two rollers 12 are driven to rotate synchronously, so that the transmission displacement of the shading strip 7 can be adjusted, and each shading segment on the shading strip 7 can be adjusted to achieve the adjustment of the shading degree. It is more convenient to use and has a wider range of applications.

[0024] like Figure 5 As shown, the shading strip 7 includes a transparent portion 701, a light shading portion 702, a medium shading portion 703 and a high shading portion 704 in sequence, and the shading degree can be adjusted in multiple levels to increase the scope of use.

[0025] like Figure 2 As shown: the LED lamp holder 2 and the glass cover 6 are detachably connected by bolt fixing, and are detachable.

[0026] like Figure 4 As shown: a through hole is opened on the side wall of the storage box 8 and is connected to the cover strip 9. The through hole is rotatably connected to the outer side wall of the roller 12 through a bearing member to facilitate the rotation of the roller 12.

[0027] like Figure 2As shown: two supporting rollers 15 are provided at both ends of the LED lamp head 2, and the shading strip 7 is arranged against the supporting rollers 15, which can support the transmission displacement of the shading strip 7 and prevent the shading strip 7 from contacting with the LED lamp head 2 and generating friction.

[0028] like Figure 4 As shown: both ends of the glass cover 6 are provided with through slots 16, and the shading strip 7 is arranged through the two through slots 16, so as to facilitate the transmission and displacement of the shading strip 7.

[0029] like Figure 3 As shown: the front side walls of the two storage boxes 8 are each provided with an opening 17, and the two ends of the shading strip 7 are respectively arranged through the two openings 17, so as to facilitate the displacement adjustment of the shading strip 7.

[0030] Working principle: In this device, the additional shading strip 7 can block the illumination of the LED lamp head 2 to achieve a soft light effect, and the shading strip 7 is provided with a transparent portion 701, a light shading portion 702, a medium shading portion 703 and a high shading portion 704, which can be used to adjust the shading degree in multiple levels to improve the scope of use; secondly, when it is necessary to adjust the shading degree of the shading strip 7 according to usage requirements, the handwheel rod 10 is rotated to drive the double-grooved wheel 11 to rotate. Since the double-grooved wheel 11 is transmitted through two transmission belts 14 and two transmission wheels 13, and then drives the two rollers 12 to rotate synchronously, the transmission displacement of the shading strip 7 can be adjusted, and each shading segment on the shading strip 7 can be adjusted to achieve the adjustment of the shading degree, which is more convenient to use and has a wider range of applications.

[0031] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An eye-protection LED desk lamp with a shading strip, comprising a lamp holder (1) and an LED lamp head (2), characterized in that: The upper side wall of the lamp holder (1) is fixedly connected to a control switch (3); the rear end of the upper side wall of the lamp holder (1) is rotatably connected to a first bracket (4) via a first damping shaft; the upper end of the first bracket (4) is rotatably connected to a second bracket (5) via a second damping shaft; the upper end of the second bracket (5) is rotatably connected to the upper side wall of the LED lamp holder (2) via a third damping shaft; a glass cover (6) is installed on the lower side wall of the LED lamp holder (2); a conversion adjustment mechanism is provided on the outer side wall of the LED lamp holder (2); a shading strip (7) is wound around the conversion adjustment mechanism; and the shading strip (7) is arranged to pass through the glass cover (6); The conversion and adjustment mechanism comprises a storage box (8) fixed at both ends of the LED lamp head (2); one end of the two storage boxes (8) is fixedly connected to a cover strip (9); a handwheel rod (10) is inserted and rotatably connected to one side of the cover strip (9); one end of the handwheel rod (10) is fixedly connected to a double groove wheel (11); the inner walls of the two storage boxes (8) are rotatably connected to two rollers (12) via a bearing seat; one end of the two rollers (12) penetrates the cover strip (9) and is fixedly connected to a transmission wheel (13); the double groove wheels (11) are transmission-connected to the two transmission wheels (13) via a transmission belt (14); and the two ends of the shading strip (7) are respectively wound around the two rollers (12).

2. The eye-protection LED desk lamp with a shading strip according to claim 1, characterized in that: The shading strip (7) comprises, in sequence, a transparent portion (701), a light shading portion (702), a medium shading portion (703) and a high shading portion (704).

3. The eye-protection LED desk lamp with a shading strip according to claim 1, characterized in that: The LED lamp holder (2) and the glass cover (6) are detachably connected by bolt fixing.

4. The eye-protection LED desk lamp with a shading strip according to claim 1, characterized in that: A through hole is provided on the side wall of the storage box (8) and is communicated with the cover strip (9); the through hole is rotatably connected to the outer side wall of the roller (12) via a bearing.

5. The eye-protection LED desk lamp with a shading strip according to claim 1, characterized in that: Two supporting rollers (15) are provided at both ends of the LED lamp head (2), and the light shielding strip (7) is arranged to abut against the supporting rollers (15).

6. The eye-protection LED desk lamp with a shading strip according to claim 1, characterized in that: Both ends of the glass cover (6) are provided with through slots (16), and the light-shielding strip (7) is arranged through the two through slots (16).

7. The eye-protection LED desk lamp with a shading strip according to claim 1, characterized in that: The front side walls of the two storage boxes (8) are each provided with an opening (17), and the two ends of the light-shielding strip (7) are respectively arranged through the two openings (17).

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