CN211203718U

CN211203718U - Height-adjustable desk lamp

Info

Publication number: CN211203718U
Application number: CN201922340537.3U
Authority: CN
Inventors: 翟丽霞; 杨兴雨
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-08-07
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a height-adjustable desk lamp, which comprises a base, a circular slide rail and a fixed shaft, wherein the upper end of the base is provided with the circular slide rail and the fixed shaft, the base is provided with a switch, the utility model designs a rotatable rotary disk, a limit tooth, an adjusting nut and an adjusting head on the basis of the prior height-adjustable desk lamp, when the height of the desk lamp needs to be adjusted, the adjusting nut is firstly unscrewed outwards, then the height is adjusted to the required height through a telescopic rod, then the adjusting nut is screwed down, thereby the telescopic rod matches the adjusting nut through the limit tooth in a telescopic groove to complete the height adjustment, simultaneously, the angle needing illumination can be adjusted through the adjusting head connected with an eye-protecting lampshade at the top end of the telescopic rod, when the illumination direction needs to be greatly changed, the rotary disk connected with the circular slide rail through the fixed shaft, a ball and the rotary disk on the base, the rotating disc drives the fixed supporting rod to rotate, and therefore the lighting direction can be changed easily.

Description

Height-adjustable desk lamp

Technical Field

The utility model belongs to the technical field of the illumination desk lamp is relevant, concretely relates to height-adjustable desk lamp.

Background

The desk lamp mainly has a decoration effect, light rays of the whole room cannot be influenced, the effect is limited around the desk lamp, reading, learning and working are facilitated, and energy is saved. The desk lamp far surpasses the value of the desk lamp, and the desk lamp becomes an rare artwork. Under the idea of light decoration and heavy decoration, the decoration function of the desk lamp is more obvious.

The prior art has the following problems: the existing height-adjustable lighting table lamp usually adopts a material with high ductility or achieves the purpose of adjusting the height in a multi-section lamp arm mode, but the material with high ductility loses the adjustability after being used for a long time, and a lamp cap of the lighting table lamp with the multi-section lamp arm is usually in a fixed state, so that people feel inconvenient when adjusting the lighting angle in daily use, and meanwhile, when the lighting direction needs to be adjusted, the whole table lamp needs to be moved to rotate, and the lighting table lamp is extremely inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a height-adjustable desk lamp to the problem that the loss height-adjustable ability, inconvenient regulation illumination angle and the direction of illumination that provide among the above-mentioned background art of solution.

In order to achieve the above object, the utility model provides a following technical scheme: the height-adjustable desk lamp comprises a base, a circular slide rail and a fixed shaft, wherein the circular slide rail and the fixed shaft are arranged at the upper end of the base, a switch is arranged on the base, an electric wire is connected onto the base, the tail end of the electric wire is connected with a plug, balls are arranged in the circular slide rail, a rotary disc is arranged at the upper part of the base, a shaft hole is formed in the position, corresponding to the fixed shaft, of the bottom of the rotary disc, a fixed support rod is arranged on the rotary disc, an adjusting nut is arranged at the upper end of the fixed support rod, a telescopic rod is connected to the upper end of the fixed support rod, the fixed support rod and the telescopic rod are connected in a sliding mode through the adjusting nut, a telescopic groove is formed in the telescopic rod, a limiting tooth is arranged in the telescopic groove, an adjusting, a lamp tube is arranged in the eye-protecting lampshade.

Preferably, the height of the fixed shaft is equal to or less than the height of the shaft hole.

Preferably, the inner diameter of the shaft hole is larger than the outer diameter of the fixed shaft.

Preferably, the bottom end of the telescopic rod is provided with a clamping block.

Preferably, the base and the rotating disc have the same diameter.

Preferably, the limiting teeth in the telescopic groove are symmetrically distributed.

Preferably, the number of the lamp tubes is two.

Preferably, the length of the fixed support rod is the same as that of the telescopic rod.

Compared with the prior art, the utility model provides a height-adjustable desk lamp possesses following beneficial effect: the utility model designs a rotatable rotary disk, a limit tooth, an adjusting nut and an adjusting head on the basis of the prior height-adjustable lighting desk lamp, when the height of the lighting desk lamp is needed to be adjusted in the using process, the adjusting nut is firstly unscrewed outwards, then the height is adjusted to the needed height through a telescopic rod, then the adjusting nut is screwed down, thereby the telescopic rod is matched with the adjusting nut through the limit tooth in a telescopic groove to complete the height adjustment, the height adjustment can be carried out for a long time without deformation under the long-time use, the practicability of the desk lamp is improved, simultaneously, the angle needing to be illuminated can be adjusted through the adjusting head connected with an eye-protecting lampshade at the top end of the telescopic rod, when the illumination direction is needed to be changed greatly, only the rotary disk connected with a fixed shaft, a ball and a circular slide rail on a base needs to rotate, thereby the rotary disk drives a fixed support rod to, the lighting direction can be easily changed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of the overall structure of the height-adjustable desk lamp provided by the present invention;

fig. 2 is a schematic view of the base structure provided by the present invention;

fig. 3 is a schematic structural view of a base and a rotating disc provided by the present invention;

fig. 4 is a schematic view of the structure of the telescopic slot provided by the present invention;

in the figure: 1. a base; 2. rotating the disc; 3. fixing the supporting rod; 4. adjusting the nut; 5. a telescopic groove; 6. fixing a nut; 7. a lamp tube; 8. an eye-protecting lampshade; 9. an adjustment head; 10. a telescopic rod; 11. a plug; 12. an electric wire; 13. a switch; 14. a ball bearing; 15. a circular slide rail; 16. fixing a shaft; 17. a shaft hole; 18. a clamping block; 19. and a limiting tooth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: height-adjustable desk lamp, including base 1, circular slide rail 15 and dead axle 16, its characterized in that: the upper end of the base 1 is provided with a circular slide rail 15 and a fixed shaft 16, the base 1 is provided with a switch 13, and be connected with electric wire 12 on the base 1, the end-to-end connection of electric wire 12 has plug 11, be provided with ball 14 in the circular slide rail 15, the upper portion of base 1 is provided with rotary disk 2, the bottom of rotary disk 2 is provided with shaft hole 17 with 16 corresponding positions department of dead axle, be provided with fixed branch 3 on the rotary disk 2, fixed branch 3 upper end is provided with adjusting nut 4, fixed branch 3 upper end is connected with telescopic link 10, fixed branch 3 and telescopic link 10 are through adjusting nut 4 sliding connection, be provided with flexible groove 5 on the telescopic link 10, be provided with spacing tooth 19 in the flexible groove 5, the top of telescopic link 10 is connected with regulation head 9, telescopic link 10 and regulation head 9 rotate through fixing nut 6 and connect, be provided with eyeshield lamp shade 8 on the regulation head 9, be provided with fluorescent.

Further, the height of the fixed shaft 16 is equal to or less than the height of the shaft hole 17, so that the rotary plate 2 can contact the balls 14 through the fixed shaft 16, thereby realizing the rotation of the rotary plate 2.

Further, the inner diameter of the shaft hole 17 is larger than the outer diameter of the fixed shaft 16, so that the rotating disc 2 and the base 1 can be fixed through the shaft hole 17 and the fixed shaft 16, the rotating disc 2 can rotate conveniently, and the rotating disc 2 is prevented from falling off in the rotating process.

Further, the bottom of telescopic link 10 is provided with fixture block 18, can prevent that telescopic link 10 from breaking away from fixed branch 3 in the use to improve the security of illumination desk lamp.

Further, the diameters of the base 1 and the rotary disk 2 are the same, so that the edges of the base 1 and the rotary disk 2 are approximately overlapped, and the attractiveness of the illuminating table lamp is improved.

Furthermore, the limiting teeth 19 in the telescopic groove 5 are symmetrically distributed, and an approximately closed space can be formed between the limiting teeth 19, so that the adjusting nut 4 can be fixed conveniently.

Furthermore, the lamp tubes 7 are provided with two lamp tubes, so that the brightness of the lighting table lamp can be ensured, and the practicability of the table lamp is improved.

Further, the length of the fixed supporting rod 3 is the same as that of the telescopic rod 10, so that the telescopic rod 10 and the fixed supporting rod 3 can be completely matched, and the telescopic performance is improved.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the height-adjustable lighting desk lamp is taken out from the storage warehouse and moved to the position to be used, then the height-adjustable lighting desk lamp is stably placed on the desktop through the base 1, and then is electrically connected with an external power supply through the plug 11 connected with the electric wire 12, then the switch 13 is turned on, so that the lamp tube 7 can normally illuminate, meanwhile, the outer part of the lamp tube 7 is provided with the eye-protecting lampshade 8, which can effectively play the role of protecting eyes, when the height of the lighting desk lamp needs to be adjusted in the using process, the adjusting nut 4 is firstly unscrewed outwards, and then the adjusting nut 4 is screwed down after the height is adjusted to the required height through the telescopic rod 10, thereby the telescopic rod 10 completes the height adjustment through the spacing teeth 19 in the telescopic groove 5 in cooperation with the adjusting nut 4, and simultaneously, the angle to be illuminated can be adjusted through the adjusting head 9 connected with the eye-protecting lampshade 8 at the top end of the telescopic, when the lighting direction needs to be changed greatly, the lighting direction can be changed only by rotating the rotating disk 2 connected with the fixed shaft 16, the rolling balls 14 and the circular sliding rail 15 on the base 1, so that the rotating disk 2 drives the fixed supporting rod 3 to rotate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Height-adjustable desk lamp, including base (1), circular slide rail (15) and dead axle (16), its characterized in that: the improved multifunctional electric wire fixing device is characterized in that a circular sliding rail (15) and a fixed shaft (16) are arranged at the upper end of the base (1), a switch (13) is arranged on the base (1), an electric wire (12) is connected onto the base (1), the tail end of the electric wire (12) is connected with a plug (11), balls (14) are arranged in the circular sliding rail (15), a rotating disc (2) is arranged on the upper portion of the base (1), a shaft hole (17) is formed in the position, corresponding to the fixed shaft (16), of the bottom of the rotating disc (2), a fixed support rod (3) is arranged on the rotating disc (2), an adjusting nut (4) is arranged at the upper end of the fixed support rod (3), an expansion link (10) is connected onto the upper end of the fixed support rod (3), the fixed support rod (3) and the expansion link (10) are in sliding connection, be provided with spacing tooth (19) in flexible groove (5), the top of telescopic link (10) is connected with regulation head (9), telescopic link (10) and regulation head (9) rotate through fixation nut (6) and connect, be provided with eye-protecting lamp shade (8) on adjusting head (9), be provided with fluorescent tube (7) in eye-protecting lamp shade (8).

2. The height adjustable desk lamp as claimed in claim 1, wherein: the height of the fixed shaft (16) is equal to or less than that of the shaft hole (17).

3. The height adjustable desk lamp as claimed in claim 1, wherein: the inner diameter of the shaft hole (17) is larger than the outer diameter of the fixed shaft (16).

4. The height adjustable desk lamp as claimed in claim 1, wherein: the bottom end of the telescopic rod (10) is provided with a clamping block (18).

5. The height adjustable desk lamp as claimed in claim 1, wherein: the diameters of the base (1) and the rotating disc (2) are the same.

6. The height adjustable desk lamp as claimed in claim 1, wherein: the limiting teeth (19) in the telescopic groove (5) are symmetrically distributed.

7. The height adjustable desk lamp as claimed in claim 1, wherein: the number of the lamp tubes (7) is two.

8. The height adjustable desk lamp as claimed in claim 1, wherein: the fixed supporting rod (3) and the telescopic rod (10) are the same in length.