CN217604037U

CN217604037U - Desk lamp with adjustable lighting height and angle

Info

Publication number: CN217604037U
Application number: CN202220646848.1U
Authority: CN
Inventors: 沈文学; 姜光顺; 阮长付
Original assignee: Huizhou Laite Lighting Technology Co ltd
Current assignee: Huizhou Laite Lighting Technology Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-10-18
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a desk lamp with adjustable lighting height and angle, which comprises a base and a lifting support component, wherein the lifting support component comprises a telescopic rod and a lamp arm, the lamp arm comprises a communication rod, a bent pipe joint and a universal joint, the bent pipe joint and the universal joint are respectively arranged at two ends of the communication rod, one end of the telescopic rod is fixed on the base, and the other end of the telescopic rod is connected with the lamp arm through the bent pipe joint; illumination component, illumination component includes universal head, socket, lamp shade and bulb, universal head the socket the bulb connects gradually, the lamp shade cover is established the bulb is outside, through the adjustment the angle of universal head can be right the illumination angle of bulb changes. The utility model provides a desk lamp's focus skew is little when height-adjusting and illumination angle, and the structure is more stable, is difficult for empting.

Description

Desk lamp capable of adjusting lighting height and angle

Technical Field

The utility model relates to the technical field of lighting technology, especially, relate to a desk lamp of adjustable illumination height and angle.

Background

In-process at daily life use table lamp, often need adjust the height and the illumination angle of table lamp, prior art's table lamp often adopts to carry out the pivot with support column and linking arm articulated, lighting assembly is connected to the linking arm, accomplish lighting assembly's lift through the relative rotation of linking arm and support column, perhaps adopt flexible hose to connect lighting assembly and support column, through buckling the extension to flexible hose and realize lighting assembly's lift or illumination angle's adjustment, but the pivot is articulated or the flexible hose connection all exists a problem, the structural position adjustment of table lamp is big when exactly being the adjustment, the focus skew of table lamp is big, cause the unstability easily and lead to empting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcomings in the prior art and providing a stable structure, a desk lamp which is not easy to topple over and can adjust the lighting height and angle.

The purpose of the utility model is realized through the following technical scheme:

a desk lamp with adjustable lighting height and angle, comprising:

a base seat is arranged on the base seat,

the lifting support assembly comprises a telescopic rod and a lamp arm, the lamp arm comprises a communication rod, an elbow joint and a universal joint, the elbow joint and the universal joint are respectively arranged at two ends of the communication rod, one end of the telescopic rod is fixed on the base, and the other end of the telescopic rod is connected with the lamp arm through the elbow joint;

illumination assembly, illumination assembly includes universal head, socket, lamp shade and bulb, universal head the socket the bulb connects gradually, universal head's the other end with universal joint connects, the lamp shade cover is established the bulb is outside, through the adjustment universal head's angle can be right the illumination angle of bulb changes.

Further, the telescopic link includes outer tube, interior sleeve pipe and retaining member, the outer tube cover is established outside the inner tube pipe, interior sleeve pipe the retaining member be used for with the outer tube with interior sleeve pipe, the outer tube is kept away from interior sheathed tube one end is fixed on the base, interior sleeve pipe is kept away from the one end of outer tube with elbow fitting connects.

Further, the retaining member includes the fixed cover of locking movable sleeve and locking, the fixed cover inner wall of locking movable sleeve has the screw thread, the fixed cover of locking includes elasticity portion and fixed connection portion, the fixed connection portion cover is established on the outer tube, elasticity portion inner wall with interior sleeve pipe swing joint, the outer wall of elasticity portion have with the screw thread that the locking movable sleeve matches works as when the locking movable sleeve is screwed up to the elasticity portion of telling, make elasticity portion with interior sleeve pipe supports and holds, and will interior sleeve pipe locking.

Further, the base includes base body, balancing weight, stabilizing disc and a plurality of fastener, the inside holding chamber that is provided with of base body, stabilizing disc sets up on the base body, the balancing weight is placed the holding intracavity, just base body, balancing weight, stabilizing disc adopt a plurality of fasteners to connect fixedly.

Further, first through-hole and second through-hole have been seted up to base body top surface, the third through-hole has been seted up on the stabilizer dish, the stabilizer dish bottom is provided with the screw rod, first fixed orifices and second fixed orifices have been seted up on the balancing weight, the screw rod wear to penetrate in proper order behind first through-hole and the first fixed orifices with one the fastener is connected, the outer tube bottom is provided with connecting portion, one the fastener wear to penetrate in proper order behind second fixed orifices, second through-hole, the third through-hole with connecting portion connect.

Furthermore, the desk lamp with the adjustable lighting height and angle further comprises a power line assembly, the power line assembly comprises a power wiring harness, a power switch and a power plug, one end of the power wiring harness penetrates through the base and the lifting support assembly and then is connected with the lighting assembly, and the other end of the power wiring harness is sequentially connected with the power switch and the power plug.

Furthermore, the power plug is a polarized plug, and the two blades on the power plug are different in size.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

the utility model relates to a desk lamp of adjustable illumination height and angle, the on-line screen storage device comprises a base, the lift supporting component, lighting assembly, wherein lifting assembly has mainly adopted the telescopic link of water tubular to accomplish raising and lowering functions, and adopted the illumination angle that the bulb was adjusted to the universal head, the focus of desk lamp reciprocates along the vertical line when going up and down, is the position that need not change the arm at angle of adjustment, so makes the focus skew of desk lamp when height-adjusting and illumination angle not big, and the structure is more stable, is difficult for empting.

Drawings

Fig. 1 is a schematic structural view of a desk lamp with adjustable illumination height and angle according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the desk lamp lifting support assembly with adjustable lighting height and angle in fig. 1;

fig. 3 is a schematic structural view of the desk lamp base with adjustable illumination height and angle shown in fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1, a desk lamp 10 with adjustable lighting height and angle includes: the lighting device comprises a base 100, a lifting support assembly 200 and a lighting assembly 300, wherein the lifting support assembly 200 comprises an expansion link 210 and a lamp arm 220, the lamp arm 220 comprises a communication rod 221, an elbow joint 222 and a universal joint 223, the elbow joint 222 and the universal joint 223 are respectively arranged at two ends of the communication rod 221, one end of the expansion link 210 is fixed on the base 100, and the other end of the expansion link 210 is connected with the lamp arm 220 through the elbow joint 222; the lighting assembly 300 includes a universal head 310, a socket 320, a lampshade 330 and a bulb 340, the universal head 310, the socket 320 and the bulb 340 are sequentially connected, the other end of the universal head 310 is connected with a universal joint 223, the lampshade 330 is covered outside the bulb 340, and the lighting angle of the bulb 340 can be changed by adjusting the angle of the universal head 310.

It should be noted that, the folding or flexible hose of pivot of traditional adjustable desk lamp generally adopts is buckled, make the focus skew of desk lamp too much and lead to the desk lamp to topple over after adjusting easily, this application is through the structure redesign, adopt telescopic link 210 and universal head 310 to mutually support, only need make the focus reciprocate along the perpendicular line during altitude mixture control, keep lamp arm 220 motionless when illumination angle adjusts, only need adjust universal head 310, the desk lamp 10 of this application is when height-adjusting and illumination angle, overall structure changes little, the focus skew is little, therefore more stable, be difficult for toppling over.

Referring to fig. 1, further, the telescopic rod 210 includes an outer tube 211, an inner tube 212 and a locking member 213, the outer tube 211 is sleeved outside the inner tube 212, the locking member 213 of the inner tube 212 is used for fixing the outer tube 211 and the inner tube 212, one end of the outer tube 211 far away from the inner tube 212 is fixed on the base 100, and one end of the inner tube 212 far away from the outer tube 211 is connected to the elbow joint 222.

It should be noted that, the existing desk lamp that uses the rotation of the rotating shaft to lift is mainly to connect the support rod with the lamp wall in a rotating manner, the adjustment range of the lighting height is closely related to the length of the lamp wall, but when the lamp wall is long, the center of gravity inevitably tilts forward, and the stability of the desk lamp is difficult to guarantee, therefore, in practical use, in order to ensure the stability of the desk lamp, the adjustment range of the lighting height of the desk lamp that uses the rotation of the rotating shaft to lift is not large, and similarly, the height of the desk lamp is adjusted by using the flexible hose, and the adjustment range is not large, but the application uses the water-tube-type telescopic rod 210 to lift and adjust, the telescopic rod 210 is used by nesting the outer sleeve 211 and the inner sleeve 212, the length of the telescopic rod 210 can be flexibly adjusted, and the desk lamp moves up and down along the vertical line during adjustment, the offset of the center of gravity is small, therefore, and the desk lamp has the advantage of large adjustment range of the lighting height.

Referring to fig. 2, further, the locking member 213 includes a locking movable sleeve 2131 and a locking fixed sleeve 2132, an inner wall of the locking movable sleeve 2131 has a thread, the locking fixed sleeve 2132 includes an elastic portion 2132a and a fixed connecting portion 2132b, the fixed connecting portion 2132b is sleeved on the outer sleeve 211, an inner wall of the elastic portion 2132a is movably connected with the inner sleeve 212, an outer wall of the elastic portion 2132a has a thread matched with the locking movable sleeve 2131, and when the locking movable sleeve 2131 is screwed to the elastic portion 2132a, the elastic portion 2132a abuts against the inner sleeve 212 and locks the inner sleeve 212.

It is required to explain, the utility model discloses a structure of locking movable sleeve 2131 and the fixed cover 2132 of locking is fixed to outer sleeve 211 and interior sleeve 212, only need during the use unscrew locking movable sleeve 2131, then adjust interior sleeve 212 to required height, then screw up locking movable sleeve 2131 and can accomplish the altitude mixture control operation, and not only simple structure is easy and simple to handle simultaneously, need not the secondary operation fixed orifices fixed slot isotructure on telescopic link 210.

Referring to fig. 3, further, the base 100 includes a base body 110, a weight block 120, a stabilizing disc 130 and a plurality of fasteners 140, wherein the base body 110 is provided with a receiving cavity therein, the stabilizing disc 130 is disposed on the base body 110, the weight block 120 is disposed in the receiving cavity, and the base body 110, the weight block 120 and the stabilizing disc 130 are connected and fixed by the fasteners 140.

It should be noted that, the base 100 needs to have certain weight to keep the overall stability of desk lamp, wherein the setting of balancing weight 120 and stabilizer 130 is mainly in order to increase the overall weight of base 100, and wherein balancing weight 120 and stabilizer 130 can adopt the great material preparation of the great quality of the great density of metal isopycnic, so can reduce the focus of desk lamp, improve the overall stability of desk lamp, avoid toppling over of desk lamp after adjusting.

Referring to fig. 3, further, a first through hole and a second through hole are formed in the top surface of the base body 110, a third through hole is formed in the stabilization plate 130, a screw 131 is disposed at the bottom of the stabilization plate 130, a first fixing hole and a second fixing hole are formed in the counterweight block 120, the screw 131 penetrates through the first through hole and the first fixing hole in sequence and is then connected with a fastening member 140, a connecting portion is disposed at the bottom of the outer sleeve 211, and the fastening member 140 penetrates through the second fixing hole, the second through hole and the third through hole in sequence and is then connected with the connecting portion.

It should be noted that, in the assembling process, the screw 131 welded to the bottom of the stabilizing disc 130 penetrates through the first through hole and the first fixing hole and then is locked by the fastener 140, so the preliminary installation of the base body 110, the balancing weight 120 and the stabilizing disc 130 is completed, then the fastener 140 such as a threaded rod is adopted to sequentially penetrate through the second fixing hole, the second through hole and the third through hole and then is connected with the connecting part, and then the fastening is performed by the nut, so the connection and fixation of the lifting support assembly 200 and the base 100 are completed, the structure is simple, the assembly is simple and easy, and the production efficiency is improved.

Referring to fig. 1, further, the desk lamp 10 with adjustable lighting height and angle further includes a power line assembly 400, the power line assembly 400 includes a power line bundle 410, a power switch 420 and a power plug 430, one end of the power line bundle 410 penetrates through the base 100 and the lifting support assembly 200 and then is connected to the lighting assembly 300, and the other end of the power line bundle 410 is sequentially connected to the power switch 420 and the power plug 430; the power plug 430 is a polarized plug, and the two blades on the power plug 430 are of different sizes.

It should be noted that the desk lamp 10 of the present invention is provided with a polarized plug, one blade of which is larger than the other, and the plug can only be inserted into the polarized socket in one way to reduce the risk of electric shock.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A desk lamp with adjustable lighting height and angle, comprising:

a base seat is arranged on the base seat,

the lifting support assembly comprises a telescopic rod and a lamp arm, the lamp arm comprises a communicating rod, a bent pipe joint and a universal joint, the bent pipe joint and the universal joint are respectively arranged at two ends of the communicating rod, one end of the telescopic rod is fixed on the base, and the other end of the telescopic rod is connected with the lamp arm through the bent pipe joint;

2. The table lamp with the adjustable illumination height and angle as claimed in claim 1, wherein the telescopic rod comprises an outer sleeve, an inner sleeve and a locking member, the outer sleeve is sleeved outside the inner sleeve, the inner sleeve is used for the locking member to fix the outer sleeve and the inner sleeve, one end of the outer sleeve, which is far away from the inner sleeve, is fixed on the base, and one end of the inner sleeve, which is far away from the outer sleeve, is connected with the elbow joint.

3. The desk lamp with the adjustable lighting height and angle as claimed in claim 2, wherein the locking member comprises a locking movable sleeve and a locking fixed sleeve, the inner wall of the locking movable sleeve is provided with threads, the locking fixed sleeve comprises an elastic part and a fixed connecting part, the fixed connecting part is sleeved on the outer sleeve, the inner wall of the elastic part is movably connected with the inner sleeve, the outer wall of the elastic part is provided with threads matched with the locking movable sleeve, and when the locking movable sleeve is screwed down to the elastic part, the elastic part is abutted against the inner sleeve and the inner sleeve is locked.

4. The desk lamp with the adjustable lighting height and angle as claimed in claim 2, wherein the base comprises a base body, a weight block, a stabilizing disc and a plurality of fasteners, the base body is internally provided with an accommodating cavity, the stabilizing disc is arranged on the base body, the weight block is placed in the accommodating cavity, and the base body, the weight block and the stabilizing disc are connected and fixed by the fasteners.

5. A table lamp as claimed in claim 4, wherein the top surface of the base body is provided with a first through hole and a second through hole, the stabilizing disc is provided with a third through hole, the bottom of the stabilizing disc is provided with a screw, the counterweight is provided with a first fixing hole and a second fixing hole, the screw is connected with the fastening piece after sequentially penetrating the first through hole and the first fixing hole, the bottom of the outer sleeve is provided with a connecting portion, and the fastening piece is connected with the connecting portion after sequentially penetrating the second fixing hole, the second through hole and the third through hole.

6. A table lamp with adjustable illumination height and angle as claimed in claim 1, further comprising a power cord assembly, wherein the power cord assembly comprises a power cord, a power switch and a power plug, one end of the power cord penetrates through the base and the lifting support assembly and then is connected with the illumination assembly, and the other end of the power cord is sequentially connected with the power switch and the power plug.

7. A table lamp as claimed in claim 6, wherein said power plug is a polarized plug, and the two blades on said power plug are different in size.