Multi-degree-of-freedom LED table lamp

By using a universal joint connection and a hidden cable design in the LED desk lamp, the problem of exposed cables is solved, achieving multi-angle adjustment and an aesthetically pleasing effect.

CN223826177UActive Publication Date: 2026-01-23JIANGSU DALEN ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520910109.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-09
Publication Date
2026-01-23
Estimated Expiration
2035-05-09

AI Technical Summary

Technical Problem

The exposed cables of existing desk lamps affect both aesthetics and user experience.

Method used

Design a multi-degree-of-freedom LED desk lamp that connects the first lamp post and the connector via a universal joint, allowing the lamp head to rotate at multiple angles and concealing the cable inside the lamp head.

Benefits of technology

It enables multi-angle adjustment of the lamp head and concealment of cables, improving the aesthetics of the desk lamp and the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model aims at disclosing a multi-degree-of-freedom LED table lamp, which relates to the technical field of illumination and comprises a first lamp post and a lamp holder, a connecting seat is arranged in the middle of the lamp cap, and the first lamp pole is connected with the connecting seat through a universal shaft head; a first through hole is formed in the first lamp pole, a fastening rod is arranged on the top of the universal shaft head, the top of the fastening rod is fastened to the lower portion of the first lamp pole, a second through hole is formed in the fastening rod, and a third through hole communicated with the second through hole is formed in the universal shaft head. The LED lamp has the beneficial effects that the first lamp pole and the connecting base are connected through the universal shaft head, so that the lamp cap can rotate at multiple angles by taking the universal shaft head as the center, a user can conveniently adjust the lighting direction, in addition, the LED lamp is convenient to use, and in addition, the LED lamp is convenient to use. A cable sequentially penetrates through the first through hole, the second through hole and the third through hole and then enters the lamp holder, and the cable is all internally arranged and cannot be seen from the outside.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lighting technical field especially relates to a multi-degree of freedom LED desk lamp. BACKGROUND

[0002] Desk lamp is the illumination instrument that family commonly uses, and people widely use desk lamp when reading, studying, writing. At present, the cable of some desk lamps is exposed, and the aesthetic degree and use experience are influenced.

[0003] Therefore, it is necessary to develop a multi-degree of freedom LED desk lamp to overcome the above defects. SUMMARY

[0004] The utility model discloses a multi-degree of freedom LED desk lamp.

[0005] In order to realize the above-mentioned invention purpose, the utility model provides a multi-degree of freedom LED desk lamp, including first lamp rod and lamp head,

[0006] The middle part of lamp head is provided with connecting seat, and the first lamp rod and connecting seat are connected through universal shaft head,

[0007] The first lamp rod is provided with first through hole, the top of universal shaft head is provided with fastening rod, the top of fastening rod is fastened below the first lamp rod, the fastening rod is provided with second through hole, and the universal shaft head is provided with third through hole communicated with second through hole,

[0008] The cable enters the lamp head after passing through first through hole, second through hole and third through hole in turn.

[0009] Preferably, the top surface of the lamp head is flush with the top surface of the connecting seat, and the bottom surface of the lamp head is higher than the bottom surface of the connecting seat.

[0010] Preferably, the mounting seat is provided below the end of the first lamp rod, and the fastening rod is fastened to the mounting seat by screw thread.

[0011] Preferably, the height of the mounting seat is 3mm-5mm.

[0012] Preferably, the height of the fastening rod is 15mm-25mm.

[0013] Preferably, it further includes a lamp holder and a second lamp rod.

[0014] Preferably, the lamp holder is provided with a counterweight.

[0015] Preferably, the second lamp rod is hinged to the lamp holder through a hinge part, and the first lamp rod is hinged to the second lamp rod through a hinge part.

[0016] Preferably, the hinge portion includes a hinge shaft, a cylindrical housing, and an end face housing;

[0017] The end face housing is composed of a first housing and a second housing, wherein the first housing has an inner recess and the second housing is embedded in the inner recess.

[0018] Preferably, the first housing engages with the cylindrical housing, and the second housing engages with the recess;

[0019] The first casing and the second casing are different colors.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] The lamp head of this utility model is provided with a connecting seat in the middle. The first lamp post and the connecting seat are connected by a universal joint, which allows the lamp head to rotate at multiple angles around the universal joint, making it convenient for users to adjust the lighting direction. In addition, the cable passes through the first through hole, the second through hole and the third through hole in turn before entering the lamp head. All the cables are built-in and cannot be seen from the outside, making the LED desk lamp more aesthetically pleasing. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the multi-degree-of-freedom LED desk lamp of this utility model.

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the lamp holder of this utility model.

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the multi-degree-of-freedom LED desk lamp of this utility model.

[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the lamp holder of this utility model.

[0026] Figure 5 This is a schematic diagram of the upward-viewing structure of the multi-degree-of-freedom LED desk lamp of this utility model.

[0027] Figure 6 This utility model Figure 5 Schematic diagram of the cross-sectional structure at point AA.

[0028] Figure 7 This utility model Figure 6 A magnified structural diagram at point B.

[0029] Figure 8 This is a three-dimensional structural diagram of the connecting seat and universal joint head of this utility model.

[0030] Figure 9 This is a three-dimensional structural diagram of the hinge part of this utility model.

[0031] Wherein, 1, first lamp pole; 11, first through hole; 12, mounting seat; 2, lamp cap; 21, top surface of lamp cap; 22, bottom surface of lamp cap; 3, connecting seat; 31, top surface of connecting seat; 32, bottom surface of connecting seat; 33, inclined surface; 4, universal shaft head; 41, third through hole; 5, fastening rod; 51, second through hole; 6, cable; 7, lamp holder; 8, second lamp pole; 9, hinged part; 91, hinged shaft; 92, cylindrical shell; 93, end face shell; 931, first shell; 932, second shell; 933, inner recess. DETAILED DESCRIPTION

[0032] The utility model will be explained in detail below in combination with the embodiments shown in the drawings, but it should be explained that these embodiments are not the limitation of the utility model, and the equivalent transformation or substitution of function, method or structure made by the ordinary skilled in the art according to these embodiments all belong to the protection scope of the utility model.

[0033] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0034] The specific implementation process of the utility model will be described below through multiple embodiments.

[0035] Embodiment 1

[0036] Referring to Figures 1 to 9 , this embodiment discloses a specific implementation of a multi-degree-of-freedom LED desk lamp.

[0037] Referring to Figures 1 to 9, Multi-DOF LED desk lamp, comprising a first lamp rod 1 and a lamp head 2, the lamp head 2 can be a large width lamp head with a length-width ratio of (10-15):1, or other shapes; the middle part of the lamp head 2 is provided with a connecting seat 3, the first lamp rod 1 and the connecting seat 3 are connected through a universal shaft head 4; the first lamp rod 1 is provided with a first through hole 11, the top of the universal shaft head 4 is provided with a fastening rod 5, the top of the fastening rod 5 is fastened to the lower part of the first lamp rod 1, the fastening rod 5 is provided with a second through hole 51, and the universal shaft head 4 is provided with a third through hole 41 in communication with the second through hole 51; the cable 6 enters the lamp head 2 after passing through the first through hole 11, the second through hole 51 and the third through hole 41 in sequence.

[0038] Specifically, referring to Figures 1 to 9 , Figure 7 The dashed line in the figure represents the path of the cable 6, that is, the cable 6 enters the lamp head 2 after passing through the first through hole 11, the second through hole 51 and the third through hole 41 in sequence, so that the lamp head 2 can be adjusted at multiple angles around the universal shaft head 3 to adjust the lighting angle, and the cable 6 can be built-in, the user experience is better, and the appearance is more beautiful.

[0039] Referring to Figures 1 to 9 , the top surface 21 of the lamp head is flush with the top surface 31 of the connecting seat, the bottom surface 22 of the lamp head is higher than the bottom surface 32 of the connecting seat, and the bottom surface 22 of the lamp head and the bottom surface 32 of the connecting seat are connected through a slope 33, the slope 33 is directed towards the user, and the connecting seat 3 is built-in with a radar sensor, the sensing area of the radar sensor is aligned with the slope 33, and the radar sensor can sense the approach or distance of the user to control the lighting of the lamp head 2 to turn on or off; in order to make the lamp head 2 have a larger angle adjustment range, the lower part of the end of the first lamp rod 1 is provided with a mounting seat 12, the fastening rod 5 is fastened to the mounting seat 12 through threads, the height of the mounting seat 12 is 3-5mm, that is, the height h of the step formed by the mounting seat 12 under the end of the first lamp rod 1 is 3-5mm, and the height H of the fastening rod 5 is 15-25mm, which makes the mounting seat 12 difficult to interfere with the lamp head 2 when the lamp head 2 swings upwards, and the lamp head 2 can have a larger space for changing angle.

[0040] Referring to Figures 1 to 9, the multi-degree-of-freedom LED table lamp further comprises a lamp holder 7 and a second lamp rod 8, a counterweight is arranged in the lamp holder 7, so that the multi-degree-of-freedom LED table lamp is more stable; the second lamp rod 8 is hinged to the lamp holder 7 through a hinge part 9, the first lamp rod 1 is hinged to the second lamp rod 8 through another hinge part 9, and the cooperation of the hinge parts 9 and the universal shaft head 3 enables the LED table lamp to have multiple use modes, and is more convenient for the needs of various users; in order to make the hinge part 9 more beautiful, the hinge part 9 comprises a hinge shaft 91, a cylindrical shell 92 and an end surface shell 93, the two ends of the cylindrical shell 92 are respectively provided with the end surface shells 93, the end surface shell 93 is composed of a first shell 931 and a second shell 932, the first shell 931 has an inner recess 933, the second shell 932 is embedded in the inner recess 933, the first shell 931 is clamped on the cylindrical shell 92, the second shell 932 is clamped on the inner recess 933 and just fills the inner recess 933, in the embodiment, the first shell 931 and the second shell 932 are different in color and material, for example, the first shell 931 and the cylindrical shell 92 are made of high polymer plastic material, and the second shell 932 is made of metal material, so that the second shell 932 has a metal luster, and the appearance of the hinge part 9 is more beautiful; the second shell 932 can be independently manufactured, installed and selected in color, and is more conducive to efficient production.

[0041] The middle part of the lamp head 2 of the embodiment is provided with the connecting seat 3, the first lamp rod 1 and the connecting seat 3 are connected through the universal shaft head 4, so that the lamp head 2 can be rotated at multiple angles with the universal shaft head 4 as the center, the user can conveniently adjust the lighting direction, in addition, the cable 6 passes through the first through hole 11, the second through hole 51 and the third through hole 41 in sequence and then enters the lamp head, the cable is completely built-in, so that the cable cannot be seen from the outside, and the whole LED table lamp is more beautiful.

Claims

1. A multi-degree-of-freedom LED desk lamp, characterized in that, Including the first lamp post and lamp head; A connecting seat is provided in the middle of the lamp head, and the first lamp pole and the connecting seat are connected by a universal joint. The first lamp post has a first through hole, the top of the universal joint head has a fastening rod, the top of the fastening rod is fastened to the bottom of the first lamp post, the fastening rod has a second through hole, and the universal joint head has a third through hole communicating with the second through hole. The cable passes through the first through hole, the second through hole, and the third through hole before entering the lamp holder.

2. The multi-degree-of-freedom LED desk lamp as described in claim 1, characterized in that, The top surface of the lamp holder is flush with the top surface of the connector, and the bottom surface of the lamp holder is higher than the bottom surface of the connector.

3. The multi-degree-of-freedom LED desk lamp as described in claim 2, characterized in that, A mounting base is provided at the lower end of the first lamp post, and the fastening rod is fastened to the mounting base by threads.

4. The multi-degree-of-freedom LED desk lamp as described in claim 3, characterized in that, The height of the mounting base is 3mm-5mm.

5. The multi-degree-of-freedom LED desk lamp as described in claim 4, characterized in that, The height of the fastening rod is 15mm-25mm.

6. The multi-degree-of-freedom LED desk lamp as described in any one of claims 1-5, characterized in that, It also includes lamp holders and a second lamp post.

7. The multi-degree-of-freedom LED desk lamp as described in claim 6, characterized in that, A counterweight is installed inside the lamp holder.

8. The multi-degree-of-freedom LED desk lamp as described in claim 6, characterized in that, The second lamp post is hinged to the lamp holder via a hinge joint, and the first lamp post is hinged to the second lamp post via a hinge joint.

9. The multi-degree-of-freedom LED desk lamp as described in claim 8, characterized in that, The hinge portion includes a hinge shaft, a cylindrical housing, and an end face housing; The end face housing is composed of a first housing and a second housing, wherein the first housing has an inner recess and the second housing is embedded in the inner recess.

10. The multi-degree-of-freedom LED desk lamp as described in claim 9, characterized in that, The first housing engages with the cylindrical housing, and the second housing engages with the recessed portion; The first casing and the second casing are different colors.