CN112128647A

CN112128647A - Adjustable table lamp

Info

Publication number: CN112128647A
Application number: CN202011012568.7A
Authority: CN
Inventors: 吴乐伟
Original assignee: Jieyang Weidas Technology Co ltd
Current assignee: Jieyang Weidas Technology Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2020-12-25

Abstract

The invention relates to the technical field of lighting equipment, in particular to an adjustable desk lamp which comprises a lamp holder, a lamp cap, a shielding structure, an adjusting structure, a telescopic structure, a supporting structure and a positioning structure, wherein the lamp holder is arranged on the lamp holder; can shelter from the side of the illumination department of lamp holder through sheltering from the structure, avoid light to penetrate directly to personnel's eye, can adjust illumination height freely through extending structure, simultaneously conveniently fold, space when reducing and accomodating occupies, can carry out further support to the desk lamp bottom through bearing structure, promote the stability that the desk lamp placed the in-process, can rotate the lamp holder through adjusting the structure, promote the angle range of illumination, avoid the wearing and tearing between the structure simultaneously, can further promote the regulation of illumination angle through location structure, guarantee the stability at the illumination in-process structure simultaneously, and make things convenient for the holistic folding of structure.

Description

Adjustable table lamp

Technical Field

The invention relates to the technical field of lighting equipment, in particular to an adjustable table lamp.

Background

The desk lamp is an electric lamp with a base and is placed on a desk, so that the desk lamp is small, exquisite and convenient to carry. The classification according to the use function is: reading desk lamp, decorative desk lamp, accompany reading desk lamp, portable desk lamp. Reading desk lamp, the lamp body appearance is succinct light, is the desk lamp that is used for specially reading and writing, and the height, the irradiant direction and the luminance of lamp pole can generally be adjusted to this kind of desk lamp, mainly are illumination reading function. The decorative desk lamp is luxurious in appearance, various in material and style and complex in lamp body structure, is used for decorating a space effect, and has an equal importance in a decoration function and an illumination function. The table lamp in a room far surpasses the value of the table lamp, the table lamp becomes an indispensable artwork, and the decorative function of the table lamp is more obvious under the idea of light decoration and heavy decoration.

Although can realize rotating foldingly between traditional foldable desk lamp stand and the lamp holder, it is usually fixed the rotation state with the frictional resistance between the bracing piece, and long-term the use can lead to the fact wearing and tearing between the bracing piece, loses the supporting effect to the lamp holder even, and the structure is comparatively simple simultaneously, and is less to the illumination angle scope of lamp holder, emptys because of the higher easy emergence of focus when expandeing completely simultaneously.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an adjustable desk lamp.

The technical scheme adopted by the invention for solving the technical problems is as follows: an adjustable desk lamp comprises a lamp holder, a lamp cap, a shielding structure, an adjusting structure, a telescopic structure, a supporting structure and a positioning structure, the top side of the lamp holder for supporting the structure is provided with the lamp cap for providing illumination, the side surface of the lamp holder is provided with the shielding structure for shielding the light-emitting side of the lamp holder to avoid direct radiation to personnel, the height of the lamp holder is conveniently adjusted between the lamp holder and the lamp holder, the telescopic structure is convenient to fold the whole body, the side surface of the telescopic structure is provided with the supporting structure for further stably supporting the whole device, one end of the lamp holder is provided with an adjusting structure for rotationally adjusting the lamp holder, and a positioning structure which is convenient for adjusting the elevation angle of the lamp holder is arranged between the adjusting structure and the telescopic structure.

Specifically, the shielding structure comprises a first baffle, a second baffle, a third baffle, a sliding groove, a fixture block, a first spring and a fixing column, the sliding groove is formed in the side face of the lamp holder, the first baffle and the second baffle are respectively in sliding connection with the lamp holder through the sliding grooves in the two sides of the lamp holder, the third baffle is connected to the other side of the lamp holder through the sliding groove in a sliding connection mode, the fixture block is connected to one side, close to the second baffle, of the first baffle in a sliding connection mode, the first spring is fixedly connected between one end of the fixture block and the first baffle, the fixing column is arranged on the side face of the second baffle, and the bottom side of the fixing column is abutted against the bottom side of the other end of the fixture block.

Specifically, the telescopic structure comprises a telescopic rod, two adjusting holes, a containing rod, a sliding cap, clamping blocks, a second sliding block, a third spring, a touch block, a fixed rod and a fourth spring, the top side of the lamp holder is provided with the two clamping blocks in parallel, two sides of one end of the containing rod are respectively connected with the clamping blocks at the same side in a rotating manner, the inner side of the containing rod is connected with the telescopic rod in a sliding manner, a plurality of adjusting holes are respectively arranged on two sides of the telescopic rod, two sides of the top end of the containing rod are respectively connected with the sliding cap in a sliding manner, the touch block is fixedly connected to the inner side of the sliding cap, the fixed rod is connected to the side surface of the containing rod in a sliding manner, one end of the fixed rod is clamped with the telescopic rod through the adjusting holes, the fourth spring is fixedly connected between the fixed rod and the containing rod, and the side surface of the, the two sides of the bottom end of the accommodating rod are respectively penetrated with one second sliding block, the end part of each second sliding block is of a spherical structure, the radius of the spherical structure at the end part of each second sliding block is equal to the thickness of the position, penetrating through the accommodating rod, of each second sliding block, the second sliding blocks are connected with the clamping blocks in a sliding mode, and the third springs are fixedly connected between the other ends of the second sliding blocks and the clamping blocks.

Specifically, bearing structure includes screw rod, installation slide bar, bracing piece, pivot, torsional spring and slipmat, the clamp splice inboard is rotated and is connected with the screw rod, the one end threaded connection of screw rod has the installation slide bar, installation slide bar sliding connection in the inside of clamp splice, the one end of installation slide bar is equipped with the pivot, the one end of bracing piece is passed through the pivot with the installation slide bar rotates to be connected, the bracing piece with fixedly connected with between the pivot the torsional spring, the other end fixedly connected with of bracing piece the slipmat.

It is specific, adjust the structure and include connecting block, installation circle, first slider, second spring, separation blade and spacing piece, the one end fixedly connected with of lamp holder the installation circle, the installation circle with the inboard of connecting block is rotated and is connected, the connecting block with the tip of telescopic link is rotated and is connected, a plurality of groove-shaped structures have been seted up to the tip of installation circle, the tip of installation circle is contradicted and is had first slider, first slider with connecting block sliding connection, the other end of first slider with fixedly connected with between the connecting block the second spring, the inboard fixedly connected with of installation circle spacing piece, the inboard fixedly connected with of connecting block the separation blade.

Specifically, location structure includes adjusting pole, the lantern ring, fifth spring, third slider and draw-in groove, the both ends difference threaded connection of connecting block has adjust the pole, the middle part of adjusting the pole is run through the lantern ring, the lantern ring with sliding connection between the connecting block, one side of the lantern ring with it is inconsistent to adjust the pole, the opposite side fixedly connected with of the lantern ring the fifth spring, the other end fixedly connected with of fifth spring the third slider, the third slider with connecting block sliding connection, a plurality ofly has been seted up respectively at the both ends of telescopic link the draw-in groove, the tip of third slider passes through the draw-in groove with the telescopic link is inconsistent.

The invention has the beneficial effects that:

(1) according to the adjustable desk lamp, the side of the lighting position of the lamp holder can be shielded through the shielding structure, so that direct lighting of the eyes of a person is avoided; namely: when throwing light on through the lamp holder, because the side of shining of lamp holder does not have the sheltering from, probably make light penetrate user's eyes directly when the night, at this moment, be located the fixture block of first baffle side through sliding, make the fixture block remove the block effect to the fixed column of second baffle side, the user can rotate the first baffle that is located the lamp holder side setting respectively this moment, second baffle and third baffle, make them hang respectively in the side of lamp holder, supply first baffle simultaneously, the bottom diameter of the gliding spout of second baffle and third baffle narrows down, make first baffle, second baffle and third baffle can't continue to rotate when sliding to the bottom of lake operation, guarantee the effect of sheltering from to the lamp holder, avoid light to penetrate directly.

(2) According to the adjustable desk lamp, the illuminating height can be freely adjusted through the telescopic structure, meanwhile, the desk lamp can be conveniently folded, the occupied space during storage is reduced, the bottom of the desk lamp can be further supported through the supporting structure, and the stability of the desk lamp in the placing process is improved; namely: the telescopic rod is connected inside the containing rod in a sliding mode and used for supporting the lamp holder, in order to adjust the height of the lamp holder, a user can slide the sliding caps on two sides of the containing rod, the abutting blocks on the inner sides of the sliding caps push the fixed rod to retract, then the telescopic rod is pulled, after the height is determined, the sliding caps are released, the fixed rod can be embedded into the corresponding adjusting holes on the side faces of the telescopic rod under the pushing of the fourth spring to fix the height at the moment, when the mechanism is folded and contained, due to the structural characteristics of sliding parts between the inner sides of the containing rod and two ends of the telescopic rod, when the telescopic rod completely slides to the top end of the containing rod, the telescopic rod and the containing rod can rotate, the telescopic rod can be rotated into the containing rod to be folded, the two sides of the bottom end of the containing rod are provided with second sliding blocks, and, keeping the vertical state between the containing rod and the lamp holder, before screwing the telescopic rod into the containing rod, the telescopic rod needs to be directly slid to the bottom end of the containing rod in order to remove the positioning effect of the second slider, at the moment, the sliding part between the two sides of the telescopic rod and the containing rod can push the end part of the second slider to the inner part of the side wall of the containing rod, because the end part of the second slider is in a spherical structure and the radius is equal to the thickness of the containing rod, a user can directly rotate the containing rod and the clamping block at the moment, after the limiting effect on the containing rod is removed, the containing rod and the telescopic rod can be folded and contained, the storage space is reduced, when the lamp holder is positioned higher, the center of gravity of the whole structure is higher, in order to make the whole structure more stable, the user can rotate the screw rod positioned at the end part of the clamping block, so that the installation sliding rod, when the supporting rod slides out along with the installation slide bar completely, the supporting rod rotates to a state vertical to the installation slide bar under the action of the torsion spring so as to support the whole structure and improve the stability.

(3) According to the adjustable desk lamp, the lamp cap can be rotated through the adjusting structure, the angle range of illumination is widened, meanwhile, abrasion among structures is avoided, the adjustment of the illumination angle can be further widened through the positioning structure, meanwhile, the stability of the structure in the illumination process is guaranteed, and the integral folding of the structure is facilitated; namely: in order to enable the desk lamp to rotate the lamp cap in the horizontal direction in the using process and improve the range of an illumination angle, the connecting block at the top end of the telescopic rod is rotatably connected with the mounting ring on the lamp cap, in order to keep the angle state after rotation and prolong the service life of rotation, the support effect provided by the first sliding block and the second spring is used for keeping the rotation angle between the mounting ring and the connecting block, the end part of the mounting ring is provided with a plurality of groove-shaped structures for adjusting and keeping different rotation angles of the lamp cap, the blocking piece and the limiting piece are respectively arranged between the connecting block and the mounting ring for limiting the maximum rotation angle between the connecting block and the mounting ring, in order to keep the rotation angles between the connecting block and the telescopic rod, the third sliding block and the fifth spring arranged between the telescopic rod and the connecting block can position and keep the rotation angle between the telescopic rod and the connecting block, meanwhile, the dead weight of the lamp holder can influence the positioning effect on the rotating angle, and a user can increase the pressure applied to the third sliding block by the fifth spring through rotating the adjusting rod, so that the positioning effect is ensured, the service life is prolonged, and meanwhile, the illumination range and the adjusting angle of the lamp holder are improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of an overall structure of a preferred embodiment of an adjustable desk lamp according to the present invention;

FIG. 2 is a schematic view of a connection structure between the lamp cap and the shielding structure shown in FIG. 1;

FIG. 3 is an enlarged view of the structure A shown in FIG. 2;

fig. 4 is a schematic view illustrating a coupling structure of the lamp socket and the telescopic structure shown in fig. 1;

FIG. 5 is an enlarged view of the structure B shown in FIG. 4;

FIG. 6 is an enlarged view of the structure C shown in FIG. 4;

FIG. 7 is a schematic structural view of the telescoping structure shown in FIG. 1;

fig. 8 is a schematic view illustrating a connection structure of the lamp socket and the support structure shown in fig. 1.

In the figure: 1. the lamp holder, 2, the lamp holder, 3, the shielding structure, 31, the first baffle, 32, the second baffle, 33, the third baffle, 34, the sliding groove, 35, the fixture block, 36, the first spring, 37, the fixing column, 4, the adjusting structure, 41, the connecting block, 42, the mounting ring, 43, the first slider, 44, the second spring, 45, the blocking piece, 46, the limiting piece, 5, the telescopic structure, 51, the telescopic rod, 52, the adjusting hole, 53, the accommodating rod, 54, the sliding cap, 55, the clamping block, 56, the second slider, 57, the third spring, 58, the abutting block, 59, the fixing rod, 59a, the fourth spring, 6, the supporting structure, 61, the screw rod, 62, the mounting sliding rod, 63, the supporting rod, 64, the rotating shaft, 65, the torsion spring, 66, the anti-skid pad, 7, the positioning structure, 71, the adjusting rod, 72, the lantern ring, 73, the fifth spring, 74, the third slider, 75 and the clamping groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-8, the adjustable desk lamp of the present invention comprises a lamp holder 1, a lamp holder 2, a shielding structure 3, an adjusting structure 4, a telescopic structure 5, a supporting structure 6 and a positioning structure 7, wherein the lamp holder 2 for providing illumination is arranged on the top side of the lamp holder 1 for supporting the structure, the side surface of the lamp holder 2 is provided with the shielding structure 3 for shielding the light emitting side of the lamp holder 2 to avoid direct projection to personnel, the telescopic structure 5 for conveniently adjusting the height of the lamp holder 2 and conveniently folding the whole is arranged between the lamp holder 1 and the lamp holder 2, the side surface of the telescopic structure 5 is provided with the supporting structure 6 for further stably supporting the whole device, one end of the lamp holder 2 is provided with the adjusting structure 4 for rotatably adjusting the lamp holder 2, and a positioning structure 7 which is convenient for adjusting the elevation angle of the lamp holder 2 is arranged between the adjusting structure 4 and the telescopic structure 5.

Specifically, the shielding structure 3 includes a first blocking plate 31, a second blocking plate 32, a third blocking plate 33, a sliding groove 34, a clamping block 35, a first spring 36 and a fixing column 37, the sliding groove 34 is disposed on the side surface of the lamp holder 2, the first blocking plate 31 and the second blocking plate 32 are respectively connected to the lamp holder 2 through the sliding grooves 34 on the two sides of the lamp holder 2 in a sliding manner, the third blocking plate 33 is connected to the other side of the lamp holder 2 in a sliding manner through the sliding groove 34, the clamping block 35 is connected to the side of the first blocking plate 31 close to the second blocking plate 32 in a sliding manner, the first spring 36 is fixedly connected between one end of the clamping block 35 and the first blocking plate 31, the fixing column 37 is disposed on the side surface of the second blocking plate 32, the fixing column 37 abuts against the bottom side of the other end of the clamping block 35, and when lighting is performed through the lamp holder 2, because the side surface of the lighting side surface, at night, light may be directly emitted to eyes of a user, at this time, the fixture block 35 slides the fixture block 35 on the side surface of the first baffle 31, so that the fixture block 35 releases the clamping effect on the fixing column 37 on the side surface of the second baffle 32, and at this time, the user can respectively rotate the first baffle 31, the second baffle 32 and the third baffle 33 arranged on the side surface of the lamp holder 2, so that the first baffle 31, the second baffle 32 and the third baffle 33 are respectively suspended on the side surface of the lamp holder 2, and the bottom diameter of the sliding groove 34 for sliding the first baffle 31, the second baffle 32 and the third baffle 33 is narrowed, so that the first baffle 31, the second baffle 32 and the third baffle 33 cannot continuously rotate when sliding to the bottom end of the operating lake 34, thereby ensuring the shielding effect on the lamp holder 2 and avoiding direct light emission.

Specifically, the telescopic structure 5 includes a telescopic rod 51, an adjusting hole 52, a receiving rod 53, a sliding cap 54, two clamping blocks 55, a second slider 56, a third spring 57, a contact block 58, a fixing rod 59 and a fourth spring 59a, wherein two clamping blocks 55 are arranged in parallel on the top side of the lamp holder 1, two sides of one end of the receiving rod 53 are respectively connected with the clamping blocks 55 on the same side in a rotating manner, the telescopic rod 51 is connected to the inner side of the receiving rod 53 in a sliding manner, a plurality of adjusting holes 52 are respectively arranged on two sides of the telescopic rod 51, the sliding cap 54 is respectively connected to two sides of the top end of the receiving rod 53 in a sliding manner, the contact block 58 is fixedly connected to the inner side of the sliding cap 54, the fixing rod 59 is connected to the side surface of the receiving rod 53 in a sliding manner, one end of the fixing rod 59 is engaged with the telescopic rod 51 through the adjusting hole 52, and the fourth spring 59a is fixedly connected between the fixing rod, the other end side surface of the fixed rod 59 is abutted against the abutting block 58, two sides of the bottom end of the accommodating rod 53 are respectively penetrated by one second slider 56, the end part of the second slider 56 is in a spherical structure, the radius of the spherical structure at the end part of the second slider 56 is equal to the thickness of the second slider 56 penetrating through the accommodating rod 53, the second slider 56 is slidably connected with the clamping block 55, the third spring 57 is fixedly connected between the other end of the second slider 56 and the clamping block 55, the telescopic rod 51 is slidably connected inside the accommodating rod 53 for supporting the lamp head 2, in order to adjust the height of the lamp head 2, a user can slide the sliding caps 54 at two sides of the accommodating rod 53, so that the abutting block 58 at the inner side of the sliding cap 54 pushes the fixed rod 59 to retract, and then pulls the telescopic rod 51, after the height is determined, the sliding cap 54 is released, the fixing rod 59 is inserted into the adjusting hole 52 corresponding to the side surface of the telescopic rod 51 under the pushing of the fourth spring 59a to fix the height, when the mechanism is folded and stored, due to the structural characteristics of the sliding part between the inner side of the storage rod 53 and the two ends of the telescopic rod 51, when the telescopic rod 51 is completely slid to the top end of the storage rod 53, the telescopic rod 51 and the storage rod 53 can be rotated, at this time, the telescopic rod 51 can be rotated into the storage rod 53 to be folded, the second sliding blocks 56 are arranged on the two sides of the bottom end of the storage rod 53, when the telescopic rod 51 is not slid, the second sliding blocks 56 position the storage rod 53, maintain the vertical state between the storage rod 53 and the lamp holder 1, and in order to release the positioning effect of the second sliding blocks 51, before the telescopic rod 51 is screwed into the accommodating rod 53, the telescopic rod 51 needs to be directly slid to the bottom end of the accommodating rod 53, at this time, the sliding parts between the two sides of the telescopic rod 51 and the accommodating rod 53 push the end part of the second slider 56 into the side wall of the accommodating rod 53, and since the end part of the second slider 56 is in a spherical structure and has a radius equal to the thickness of the accommodating rod 53, a user can directly rotate the accommodating rod 53 and the clamping block 55 at this time, and after the limiting action on the accommodating rod 53 is released, the accommodating rod 53 and the telescopic rod 51 can be folded and accommodated, so that the storage space is reduced.

Specifically, the supporting structure 6 includes a screw 61, an installation sliding rod 62, a supporting rod 63, a rotating shaft 64, a torsion spring 65 and a non-slip pad 66, the inner side of the clamping block 55 is rotatably connected with the screw 61, one end of the screw 61 is in threaded connection with the installation sliding rod 62, the installation sliding rod 62 is in sliding connection with the inside of the clamping block 55, one end of the installation sliding rod 62 is provided with the rotating shaft 64, one end of the supporting rod 63 is rotatably connected with the installation sliding rod 62 through the rotating shaft 64, the torsion spring 65 is fixedly connected between the supporting rod 63 and the rotating shaft 64, the other end of the supporting rod 63 is fixedly connected with the non-slip pad 66, when the position of the lamp holder 2 is higher, the center of gravity of the whole structure is higher, in order to make the whole structure more stable, a user can rotate the screw 61 located at the end, so that the mounting sliding rod 62 slides out of the clamping block 55, and after the supporting rod 63 completely slides out along with the mounting sliding rod 62, the supporting rod 62 rotates to a state perpendicular to the mounting sliding rod 62 under the action of the torsion spring 65, so as to support the whole structure and improve the stability.

Specifically, the adjusting structure 4 includes a connecting block 41, an installation ring 42, a first slider 43, a second spring 44, a blocking piece 45 and a limiting piece 46, one end of the lamp head 2 is fixedly connected with the installation ring 42, the installation ring 42 is rotatably connected with the inner side of the connecting block 41, the connecting block 41 is rotatably connected with the end of the telescopic rod 51, the end of the installation ring 42 is provided with a plurality of groove-shaped structures, the end of the installation ring 42 is abutted with the first slider 43, the first slider 43 is slidably connected with the connecting block 41, the second spring 44 is fixedly connected between the other end of the first slider 43 and the connecting block 41, the inner side of the installation ring 42 is fixedly connected with the limiting piece 46, the inner side of the connecting block 41 is fixedly connected with the blocking piece 45, so that the lamp head 2 can rotate in the horizontal direction in the use process, the range of the illumination angle is improved, the connecting block 41 at the top end of the telescopic rod 51 is rotatably connected with the mounting ring 42 on the lamp head 2, meanwhile, in order to keep the angle state after rotation and prolong the service life of rotation, the mounting ring 42 is supported by the connecting block 41 through the first sliding block 43 and the second spring 44, a plurality of groove-shaped structures are formed in the end portion of the mounting ring 42 and used for adjusting and maintaining different rotating angles of the lamp head 2, and meanwhile, the blocking piece 45 and the limiting piece 46 are respectively arranged between the connecting block 41 and the mounting ring 42 and used for limiting the maximum rotating angle between the connecting block 41 and the mounting ring 42.

Specifically, the positioning structure 7 includes an adjusting rod 71, a collar 72, a fifth spring 73, a third slider 74 and a locking groove 75, two ends of the connecting block 41 are respectively connected with the adjusting rod 71 through threads, the middle portion of the adjusting rod 71 penetrates through the collar 72, the collar 72 is connected with the connecting block 41 in a sliding manner, one side of the collar 72 is in contact with the adjusting rod 71, the other side of the collar 72 is fixedly connected with the fifth spring 73, the other end of the fifth spring 73 is fixedly connected with the third slider 74, the third slider 74 is connected with the connecting block 41 in a sliding manner, two ends of the telescopic rod 51 are respectively provided with a plurality of locking grooves 75, an end of the third slider 74 is in contact with the telescopic rod 51 through the locking grooves 75, so that the connecting block 41 and the telescopic rod 51 can rotate and can also hold an angle at the same time, the third slider 74 and the fifth spring 73 arranged between the telescopic rod 51 and the connecting block 41 position and maintain the rotation angle between the telescopic rod 51 and the connecting block 41, and meanwhile, since the dead weight of the lamp head 2 may affect the positioning effect on the rotation angle, a user can increase the pressure applied by the fifth spring 73 to the third slider 74 by rotating the adjusting rod 71, thereby ensuring the positioning effect, prolonging the service life and simultaneously improving the illumination range and the adjustment angle of the lamp head 2.

When the invention is used, firstly, when the lamp head 2 is used for illumination, because the side surface of the shining side of the lamp head 2 is not shielded, the light can be directly irradiated to the eyes of a user at night, at the moment, the clamping block 35 positioned on the side surface of the first baffle plate 31 is slid, so that the clamping effect of the clamping block 35 on the fixing column 37 on the side surface of the second baffle plate 32 is relieved, at the moment, the user can respectively rotate the first baffle plate 31, the second baffle plate 32 and the third baffle plate 33 positioned on the side surface of the lamp head 2, so that the first baffle plate 31, the second baffle plate 32 and the third baffle plate 33 are respectively suspended on the side surface of the lamp head 2, the diameter of the bottom end of the sliding chute 34 for sliding the first baffle plate 31, the second baffle plate 32 and the third baffle plate 33 is narrowed, so that the first baffle plate 31, the second baffle plate 32 and the third baffle plate 33 can not continuously rotate when sliding to the bottom end of the lake 34, the, in order to adjust the height of the lamp head 2, a user can slide the sliding caps 54 at the two sides of the accommodating rod 53, so that the abutting blocks 58 at the inner sides of the sliding caps 54 push the fixing rod 59 to retract, then pull the telescopic rod 51, after the height is determined, the sliding caps 54 are released, the fixing rod 59 can be embedded into the corresponding adjusting holes 52 at the side surfaces of the telescopic rod 51 under the pushing action of the fourth springs 59a to fix the height at the moment, when the mechanism is folded and accommodated, due to the structural characteristics of the sliding parts between the inner sides of the accommodating rod 53 and the two ends of the telescopic rod 51, when the telescopic rod 51 completely slides to the top end of the accommodating rod 53, the telescopic rod 51 and the accommodating rod 53 can rotate, at the moment, the telescopic rod 51 can be rotated into the accommodating rod 53 to be folded, the second sliding blocks 56 are arranged at the two sides of the bottom end of the accommodating rod 53, and the second sliding, keeping the vertical state between the receiving rod 53 and the lamp holder 1, in order to release the positioning effect of the second slider 51, before the telescopic rod 51 is screwed into the receiving rod 53, the telescopic rod 51 needs to be directly slid to the bottom end of the receiving rod 53, at this time, the sliding part between the two sides of the telescopic rod 51 and the receiving rod 53 pushes the end of the second slider 56 to the inside of the sidewall of the receiving rod 53, because the end of the second slider 56 is spherical and has a radius equal to the thickness of the receiving rod 53, the user can directly rotate between the receiving rod 53 and the clamping block 55 at this time, after the limit action on the receiving rod 53 is released, the receiving rod 53 and the telescopic rod 51 can be folded and received, the storage space is reduced, when the position of the lamp cap 2 is higher, the center of gravity of the whole structure is higher, in order to make the whole structure more stable, the user can rotate the screw 61 located at the end of the clamping block 55, so that the installation slide rod 62 slides out of the clamping block 55, after the support rod 63 completely slides out along with the installation slide rod 62, the support rod 62 rotates to a state perpendicular to the installation slide rod 62 under the action of the torsion spring 65 to support the whole structure and improve the stability, in order to enable the desk lamp to rotate horizontally on the lamp head 2 in the use process and improve the range of the illumination angle, the connecting block 41 at the top end of the telescopic rod 51 is rotatably connected with the installation ring 42 on the lamp head 2, in order to maintain the rotated angle state and prolong the service life of the rotation, the rotation angle is maintained between the installation ring 42 and the connecting block 41 through the supporting effect provided by the first slider 43 and the second spring 44, the end part of the installation ring 42 is provided with a plurality of groove-shaped structures for adjusting and maintaining different rotating angles of the lamp head 2, and meanwhile, the baffle 45 and the limiting sheet 46 are respectively arranged between the connecting block 41 and the installation ring 42, the lamp holder is used for limiting the maximum rotation angle between the connecting block 41 and the mounting ring 42, in order to enable the connecting block 41 and the telescopic rod 51 to rotate and simultaneously maintain the angle, the third sliding block 74 and the fifth spring 73 arranged between the telescopic rod 51 and the connecting block 41 can position and maintain the rotation angle between the telescopic rod 51 and the connecting block 41, meanwhile, due to the fact that the dead weight of the lamp holder 2 can possibly influence the positioning effect on the rotation angle, a user can increase the pressure applied to the third sliding block 74 by the fifth spring 73 through rotating the adjusting rod 71, the positioning effect is guaranteed, the service life is prolonged, meanwhile, the illumination range and the adjusting angle of the lamp holder 2 are improved, and meanwhile, the whole folding function is achieved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The adjustable desk lamp is characterized by comprising a lamp holder (1), a lamp holder (2), a shielding structure (3), an adjusting structure (4), a telescopic structure (5), a supporting structure (6) and a positioning structure (7), wherein the lamp holder (2) used for providing illumination is arranged on the top side of the lamp holder (1) for supporting the structure, the side surface of the lamp holder (2) is provided with a light-emitting side used for shielding the lamp holder (2), the shielding structure (3) used for avoiding direct irradiation to personnel is avoided, the height of the lamp holder (2) is convenient to adjust and is convenient to fold the whole telescopic structure (5) at the same time, the supporting structure (6) used for further stably supporting the whole device is arranged on the side surface of the telescopic structure (5), one end of the lamp holder (2) is provided with an adjusting structure (4) for rotating and adjusting the lamp holder (2), and a positioning structure (7) which is convenient to adjust the elevation angle of the lamp holder (2) is arranged between the adjusting structure (4) and the telescopic structure (5).

2. The adjustable table lamp of claim 1, wherein: the shielding structure (3) comprises a first baffle plate (31), a second baffle plate (32), a third baffle plate (33), a sliding groove (34), a clamping block (35), a first spring (36) and a fixing column (37), the sliding groove (34) is arranged on the side surface of the lamp holder (2), the first baffle plate (31) and the second baffle plate (32) are respectively in sliding connection with the lamp holder (2) through the sliding grooves (34) on the two sides of the lamp holder (2), the third baffle plate (33) is connected on the other side of the lamp holder (2) through the sliding groove (34), the clamping block (35) is connected on the side of the first baffle plate (31) close to the second baffle plate (32) in a sliding manner, the first spring (36) is fixedly connected between one end of the clamping block (35) and the first baffle plate (31), and the fixing column (37) is arranged on the side surface of the second baffle plate (32), the fixing column (37) is abutted against the bottom side of the other end of the clamping block (35).

3. The adjustable table lamp of claim 1, wherein: the telescopic structure (5) comprises a telescopic rod (51), adjusting holes (52), a containing rod (53), a sliding cap (54), clamping blocks (55), a second sliding block (56), a third spring (57), a butting block (58), a fixing rod (59) and a fourth spring (59a), wherein the two clamping blocks (55) are arranged on the top side of the lamp holder (1) in parallel, the two sides of one end of the containing rod (53) are respectively and rotatably connected with the clamping blocks (55) on the same side, the telescopic rod (51) is slidably connected with the inner side of the containing rod (53), the adjusting holes (52) are respectively formed in the two sides of the telescopic rod (51), the sliding cap (54) is respectively and slidably connected with the two sides of the top end of the containing rod (53), the butting block (58) is fixedly connected with the inner side of the sliding cap (54), and the fixing rod (59) is slidably connected with the side surface of the containing rod (53), one end of the fixing rod (59) is clamped with the telescopic rod (51) through the adjusting hole (52), the fixing rod (59) is fixedly connected with the fourth spring (59a) between the accommodating rods (53), the other end side face of the fixing rod (59) is abutted to the abutting block (58), one second sliding block (56) penetrates through two sides of the bottom end of each accommodating rod (53), the end portion of each second sliding block (56) is of a spherical structure, the radius of the spherical structure of the end portion of each second sliding block (56) is equal to the thickness of the portion, penetrating through the accommodating rods (53), of each second sliding block (56), of the clamping block (55), and the third spring (57) is fixedly connected between the other end of each second sliding block (56) and the clamping block (55).

4. The adjustable table lamp of claim 3, wherein: bearing structure (6) include screw rod (61), installation slide bar (62), bracing piece (63), pivot (64), torsional spring (65) and slipmat (66), clamp splice (55) inboard is rotated and is connected with screw rod (61), the one end threaded connection of screw rod (61) has installation slide bar (62), installation slide bar (62) sliding connection in the inside of clamp splice (55), the one end of installation slide bar (62) is equipped with pivot (64), the one end of bracing piece (63) is passed through pivot (64) with installation slide bar (62) rotates and connects, bracing piece (63) with fixedly connected with between pivot (64) torsional spring (65), the other end fixedly connected with of bracing piece (63) slipmat (66).

5. The adjustable table lamp of claim 3, wherein: the adjusting structure (4) comprises a connecting block (41), an installation ring (42), a first sliding block (43), a second spring (44), a blocking piece (45) and a limiting piece (46), one end of the lamp holder (2) is fixedly connected with the installation ring (42), the installation ring (42) is rotatably connected with the inner side of the connecting block (41), the connecting block (41) is rotatably connected with the end part of the telescopic rod (51), the end part of the installation ring (42) is provided with a plurality of groove-shaped structures, the end part of the installation ring (42) is butted with the first sliding block (43), the first sliding block (43) is slidably connected with the connecting block (41), the other end of the first sliding block (43) is fixedly connected with the second spring (44) between the connecting blocks (41), and the inner side of the installation ring (42) is fixedly connected with the limiting piece (46), the inner side of the connecting block (41) is fixedly connected with the baffle plate (45).

6. The adjustable table lamp of claim 5, wherein: the positioning structure (7) comprises an adjusting rod (71), a lantern ring (72), a fifth spring (73), a third sliding block (74) and a clamping groove (75), the two ends of the connecting block (41) are respectively in threaded connection with the adjusting rods (71), the middle part of the adjusting rod (71) penetrates through the lantern ring (72), the lantern ring (72) is in sliding connection with the connecting block (41), one side of the lantern ring (72) is abutted against the adjusting rod (71), the other side of the lantern ring (72) is fixedly connected with the fifth spring (73), the other end of the fifth spring (73) is fixedly connected with the third sliding block (74), the third sliding block (74) is connected with the connecting block (41) in a sliding manner, a plurality of clamping grooves (75) are respectively arranged at two ends of the telescopic rod (51), the end part of the third sliding block (74) is abutted against the telescopic rod (51) through the clamping groove (75).