Double pole desk lamp structure

Abstract

The present invention discloses a double-pole desk lamp structure, including a base assembly, a lamp pole assembly arranged on the base assembly and a lampshade assembly fixed on the lamp pole assembly, the lamp pole assembly including a bottom tube body and a top tube body, the top of the bottom tube body and the inner side end of the top tube body are connected through a movable assembly, the movable assembly includes an adjustable movable joint, a circular body is fixed to the top of the adjustable movable joint, an adjustable joint cylindrical seat is also provided, an arc-shaped adjustment groove is provided on the side of the adjustable joint cylindrical seat, and the bottom end of the adjustable movable joint is fixed to the top of the bottom tube body through a connecting sleeve. The structural arrangement of the present invention is reasonable, not only the lamp pole assembly includes a bottom tube body and a top tube body, but the two are connected through a movable assembly, so that the angle can be adjusted as needed, which is beneficial to improving the stability of the adjustment, and also beneficial to improving the lighting effect, and the operation is more convenient, and the applicability and practicality are good.

Description

Technical Field

[0001] The invention belongs to the technical field of table lamps, and in particular relates to a double-pole table lamp structure. Background Art

[0002] The desk lamp is a common structure, which is mainly composed of a base, a desk lamp pole fixed on the base and a lamp body fixed on the desk lamp pole. Although it can meet the needs of the market, not only is the lamp body structure relatively simple, consisting of only a lampshade and a light source fixed in the lampshade, which will affect the lighting effect to a certain extent, but the desk lamp pole is also relatively simple, which is not conducive to adjustment operation, so the applicability and practicality are limited to a certain extent. Summary of the invention

[0003] The purpose of the present invention is to provide a double-pole desk lamp structure with reasonable structural arrangement and strong applicability.

[0004] The technical solution for achieving the purpose of the present invention is a double-pole desk lamp structure, comprising a base assembly, a lamp pole assembly arranged on the base assembly and a lampshade assembly fixed on the lamp pole assembly, the lamp pole assembly comprising a bottom tube body and a top tube body, the bottom end of the bottom tube body is connected to the base assembly, the outer end of the top tube body is connected to the lampshade assembly, the top of the bottom tube body and the inner end of the top tube body are connected through a movable assembly, the movable assembly comprises an adjustable movable joint, a circular body is fixed to the top of the adjustable movable joint, and an adjustable joint cylindrical seat is also provided, an arc-shaped adjustment groove is opened on the side of the adjustable joint cylindrical seat, the circular body is inserted into the adjustable joint cylindrical seat from the arc-shaped adjustment groove, and is limited by a damping shaft and a sleeve, the adjustable movable joint can rotate in the adjustable joint cylindrical seat with the damping shaft as the center and be positioned by the damping shaft, the bottom end of the adjustable movable joint is fixed to the top of the bottom tube body through a connecting sleeve, and the adjustable joint cylindrical seat is fixed to the inner end of the top tube body through an installing sleeve.

[0005] An elastic member is fixed to the end of the mounting sleeve, and the mounting sleeve is connected to the inner end of the top tube body through the elastic member.

[0006] The lampshade assembly includes an outer lampshade and a bottom cover fixed to the bottom end of the outer lampshade, an inner lampshade arranged inside the outer lampshade, and a diffusion cover arranged inside the inner lampshade. The upper parts of the side walls of the outer lampshade and the inner lampshade are provided with mounting holes, and the outside of the top tube body is fixedly connected to the mounting holes through a lamp tube rotating joint and a full tooth tube.

[0007] The lamp tube rotating joint comprises a double-layer cover connecting piece, a ball head support rod and an inner connecting gasket, the double-layer cover connecting piece is inserted into the installation through hole, the full tooth tube is inserted into the double-layer cover connecting piece, and the inner connecting gasket is located on the inner side of the full tooth tube and is fixed by a nut, the inner connecting gasket is pressed and positioned with the double-layer cover connecting piece, the ball head of the ball head support rod is inserted into the double-layer cover connecting piece, and the double-layer cover connecting piece can rotate around the ball head, the bottom surface of the end of the top tube body is threadedly connected to a limiting column rod, an arc-shaped rotation groove is provided on the bottom surface of the ball head support rod, the arc-shaped rotation groove is on the same circular surface of the ball head support rod, the limiting column rod is in the arc-shaped rotation groove, and when the ball head support rod rotates in the top tube body, it is limited by the limiting column rod and the arc-shaped rotation groove.

[0008] A heat dissipation aluminum plate is arranged in the diffusion cover, a driving circuit board is arranged on the outside of the heat dissipation aluminum plate, an upper connecting block is fixed to the top of the heat dissipation aluminum plate, a button switch is fixed to the top of the upper connecting block, a concave cavity is opened on the top surface of the outer lampshade and the inner lampshade, a touch panel is arranged in the concave cavity, the button switch is located on the bottom surface of the touch panel, a lamp bead board is arranged in the bottom cover, and a lamp tube surface cover is fixed to the bottom surface of the bottom cover.

[0009] An arc-shaped heat dissipation groove is provided on the bottom wall of the cavity, and a plurality of V-shaped air permeable grooves are provided on the top of the side wall of the bottom cover. When the bottom cover is connected to the diffusion cover, an air permeable gap is formed at the V-shaped air permeable groove, and the air permeable gap and the arc-shaped heat dissipation groove form a convection channel.

[0010] The base assembly comprises a base lower cover and a base upper cover fixed by screws, the base upper cover is provided with a strip groove and a switch panel mounting groove, the top surface of the base lower cover is fixed with a base reinforcement piece by screws, the top surface of the base reinforcement piece is fixed with a left support plate and a right support plate by screws, the left support plate and the right support plate are connected with an aluminum tube movable joint by a pin shaft, the left support plate and the right support plate are provided with an arc guide groove with the pin shaft as the center, the symmetrical side walls of the aluminum tube movable joint are integrally formed with a guide boss, the guide boss is in the arc guide groove, when the aluminum tube movable joint rotates with the pin shaft as the center, it is guided and limited by the guide boss and the arc guide groove, the top end of the aluminum tube movable joint is fixed with a mounting column rod, the bottom tube body penetrates from the strip groove and is connected and fixed to the mounting column rod by a joint sleeve tube.

[0011] A charging USB circuit board and a jack circuit board are fixed in the lower cover of the base, a switch panel is fixed in the switch panel mounting groove by screws, a circuit control board is fixed on the bottom surface of the switch panel, a dimmable circuit board, a dimmable button and a dimmable matching piece are provided on the top surface of the circuit control board, and the wires of the lamp bead board are electrically connected to the circuit control board after passing through the bottom tube body and the top tube body.

[0012] The dimmable light matching component is a condenser plate, the dimmable light circuit board includes a color temperature adjustment circuit board and a stepless dimming circuit board, and a socket plastic part is fixed on the side of the base lower cover.

[0013] A counterweight block is fixed inside the lower cover of the base, a avoidance groove is provided on the counterweight block, and the movable joint of the aluminum tube is located in the avoidance groove.

[0014] The lamp bead plate includes an upper lamp bead plate, a heat conduction plate and a lower lamp bead plate which are arranged in sequence from bottom to bottom.

[0015] The present invention has positive effects: the structure of the present invention is reasonably arranged, and not only does the lamp pole assembly include a bottom tube body and a top tube body, but the two are connected by a movable assembly, so that the angle can be adjusted as needed, which is beneficial to improving the stability of the adjustment, and is also beneficial to improving the lighting effect, and the operation is more convenient, and the applicability is strong and the practicality is good; and it is also provided with a lamp body cover, an inner lamp cover and a diffusion cover, which is not only beneficial to improving the lighting effect, but also provided with a touch panel with a button switch and arranged on the top of the lamp body cover, which is also more convenient to operate, and the use is stable and reliable, and it effectively forms an air convection structure in the lampshade through an arc-shaped heat dissipation groove and a V-shaped groove hole, so that even if the lamp body is used for a relatively long time, the temperature inside the lampshade can be timely reduced to extend the service life; at the same time, the base assembly includes a movable joint, which can be quickly connected to the table lamp pole, and can be adjusted as needed, which is beneficial to improving the convenience of use, and it is provided with a base switch panel, and a dimmable circuit board, a dimmable button and a dimmable matching piece are provided on the bottom surface of the base switch panel, which improves the aesthetics of use and the convenience of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings, wherein:

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 It is an enlarged structural schematic diagram of the rotating joint of the lamp tube in the present invention;

[0019] Figure 3 This is a cross-sectional view showing the connection between the lamp tube rotating joint and the lampshade assembly in the present invention.

[0020] Figure numerals: base assembly 1, lamp pole assembly 2, lamp shade assembly 3, bottom tube body 4, top tube body 5, movable assembly 6, adjustable movable joint 61, circle body 62, elastic member 63, adjustable joint cylindrical seat 64, arc-shaped adjustment groove 65, damping shaft 66, sleeve 67, connecting sleeve 68, mounting sleeve 69, outer lamp shade 7, bottom cover 8, inner lamp shade 9, diffusion cover 10, mounting through hole 11, lamp tube rotating joint 12, double-layer cover connecting member 121, ball head support rod 122, inner connecting gasket 123, arc-shaped rotating groove 124, full tooth tube 13, heat dissipation aluminum plate 14, drive circuit board 15, upper connecting block 16, button switch 17, concave cavity 18, touch pad 19, lamp bead board 20, upper lamp bead board 201 , heat conducting plate 202, lower lamp bead plate 203, lamp tube cover 21, arc-shaped heat dissipation groove 22, V-shaped ventilation groove 23, seat lower cover 24, base upper cover 25, strip groove 26, switch panel mounting groove 27, base reinforcement 28, left support plate 29, right support plate 30, aluminum tube movable joint 31, mounting column 32, joint sleeve pipe 33, charging USB circuit board 34, jack circuit board 35, switch panel 36, circuit control board 37, dimmable circuit board 38, color temperature adjustment circuit board 381, stepless dimming circuit board 382, ​​dimmable button 39, dimmable matching part 40, socket plastic part 41, counterweight block 42, avoidance groove 43, arc-shaped guide groove 44, guide boss 45, limit column 46. DETAILED DESCRIPTION

[0021] (Example 1)

[0022] Figures 1 to 3 A specific embodiment of the present invention is shown, wherein Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is an enlarged structural schematic diagram of the rotating joint of the lamp tube in the present invention; Figure 3 This is a cross-sectional view showing the connection between the lamp tube rotating joint and the lampshade assembly in the present invention.

[0023] See Figures 1 to 3A double-pole desk lamp structure comprises a base assembly 1, a lamp pole assembly 2 arranged on the base assembly 1 and a lamp shade assembly 3 fixed on the lamp pole assembly 2, wherein the lamp pole assembly 2 comprises a bottom tube body 4 and a top tube body 5, wherein the bottom end of the bottom tube body 4 is connected to the base assembly 1, the outer end of the top tube body 5 is connected to the lamp shade assembly 3, the top end of the bottom tube body 4 and the inner end of the top tube body 5 are connected via a movable assembly 6, wherein the movable assembly 6 comprises an adjustable movable joint 61, wherein a circular body 62 is fixed to the top end of the adjustable movable joint 61, and an adjustable movable joint 61 is also provided with a movable The adjustable joint cylindrical seat 64 has an arc-shaped adjustment groove 65 on the side thereof, the circular body 62 is inserted into the adjustable joint cylindrical seat 64 from the arc-shaped adjustment groove 65, and is limited by the damping shaft 66 and the sleeve 67, the adjustable movable joint 61 can rotate around the damping shaft 66 in the adjustable joint cylindrical seat 64 and be positioned by the damping shaft 66, the bottom end of the adjustable movable joint 61 is fixed to the top end of the bottom tube body 4 by a connecting sleeve 68, and the adjustable joint cylindrical seat 64 is fixed to the inner end of the top tube body 5 by an installing sleeve 69.

[0024] In this embodiment, the damping shaft is the rotating shaft of the rotating structure, and the damping shaft is inserted horizontally into the top of the adjustable movable joint to fix the circular body, and the damping shaft is interference fit. At the same time, the damping shaft is inserted horizontally into the circular hole of the adjustable joint cylindrical seat, and interference fit is achieved, so that the adjustable movable joint and the adjustable joint cylindrical seat rotate 105° around the axis of the damping shaft according to the principle of the damping shaft rotation.

[0025] It is positioned by pressing against the damping shaft and the sleeve to prevent it from falling off. It can also prevent the adjustable movable joint from rotating along the axis of the tube when rotating, thereby ensuring the stability and effectiveness of the rotation.

[0026] The end of the mounting sleeve 69 is fixed with an elastic member 63, and the mounting sleeve 69 is connected to the inner end of the top tube body 5 through the elastic member 63. In order to facilitate threading, two small holes are drilled on the adjustable movable joint and the adjustable joint cylindrical seat. When the wire passes through the elastic member, the wire is tightly pressed and the wire is restricted from falling off, and it also plays a role in preventing pulling. For aesthetic reasons, in order to form a good arc shape when the wire passes through the lamp pole, the outlet hole is an inclined hole at 45° to the tube wall. No matter how the swing angle of the lamp pole changes, the exposed wire can still form a complete arc.

[0027] The lampshade assembly 3 includes an outer lampshade 7 and a bottom cover 8 fixed to the bottom end of the outer lampshade 7, an inner lampshade 9 arranged inside the outer lampshade 7, and a diffusion cover 10 arranged inside the inner lampshade 9. The upper part of the side wall of the outer lampshade 7 and the inner lampshade 9 is provided with a mounting through hole 11, and the outside of the top tube body 5 is fixedly connected to the mounting through hole 11 through a lamp tube rotating joint 12 and a full tooth tube 13. With this structure, the lampshade assembly can rotate to a certain degree with the lamp tube rotating joint as the center, so that the direction and angle of illumination are changed, thereby improving the scope of application.

[0028] The lamp tube rotating joint 12 includes a double-layer cover connecting piece 121, a ball head support rod 122 and an inner connecting gasket 123. The double-layer cover connecting piece 121 is inserted into the installation through hole 11, and the full tooth tube 13 is inserted into the double-layer cover connecting piece 121. The inner connecting gasket 123 is located on the inner side of the full tooth tube 13 and is fixed by a nut. The inner connecting gasket 123 is pressed against the double-layer cover connecting piece 121 for positioning. The ball head of the ball head support rod 122 is inserted into the double-layer cover connecting piece 121. 1, the double-layer cover connector can rotate around the ball head as the center, the bottom surface of the end of the top tube body 5 is threadedly connected with a limiting column rod 46, the bottom surface of the ball head support rod 122 is provided with an arc-shaped rotation groove 124, the arc-shaped rotation groove 124 is located on the same circular surface of the ball head support rod 122, the limiting column rod 46 is located in the arc-shaped rotation groove 124, and when the ball head support rod 122 rotates in the top tube body 5, it is limited by the limiting column rod 46 and the arc-shaped rotation groove 124.

[0029] In this embodiment, this structure is adopted, and the ball head of the ball head support rod is connected to the double-layer cover connector, so that the ball head can rotate a certain angle in the double-layer cover connector. In this embodiment, it can achieve 1120° rotation up and down. At the same time, the bottom surface of the ball head support rod has an arc-shaped rotation groove, which cooperates with the limiting column rod in the top tube body, so that the ball head support rod can rotate in the top tube body and is guided and limited by the arc-shaped rotation groove. In this embodiment, it can rotate 180° in the left and right directions. This can effectively prevent the wires from tangling or breaking, and ensure the stability of use and service life. In addition, the angle can be adjusted during use, so that it can be used as an ordinary desk lamp, and it can also be rotated and used as an atmosphere lamp, which increases its scope of application.

[0030] A heat dissipation aluminum plate 14 is arranged in the diffusion cover 10, a driving circuit board 15 is arranged on the outside of the heat dissipation aluminum plate 14, an upper connecting block 16 is fixed to the top of the heat dissipation aluminum plate 14, a button switch 17 is fixed to the top of the upper connecting block 16, a concave cavity 18 is opened on the top surface of the outer lampshade 7 and the inner lampshade 9, a touch panel 19 is arranged in the concave cavity 18, and the button switch 17 is located on the bottom surface of the touch panel 19, a lamp bead board 20 is arranged in the bottom cover 8, and a lamp tube surface cover 21 is fixed to the bottom surface of the bottom cover 8.

[0031] In this embodiment, the main function of the lamp tube cover is to ensure the uniformity and softness of the downward light source distribution, and it is a milky white PC structure.

[0032] The diffuser is mainly a milky white ABC material structure, which is used to remove the shadow at the bottom of the lampshade and make the overall light effect of the lampshade diffuse evenly.

[0033] The base is mainly used to connect the heat dissipation aluminum parts and lamp bead boards and other structures. It is a zinc alloy structure and its size is: diameter 65 X height 4mm.

[0034] The upper connector is used to fix the inner lampshade and connect the heat dissipation aluminum parts, and to press the diffusion cover, fix the button switch and clamp the upper end of the driver circuit board. It is a zinc alloy structure. Dimensions: 28mm long, 27mm wide, and 16mm high.

[0035] The bottom wall of the cavity 18 is provided with an arc-shaped heat dissipation groove 22, and the top of the side wall of the bottom cover 8 is provided with a plurality of V-shaped ventilation grooves 23. When the bottom cover 8 is connected to the diffusion cover 10, a ventilation gap is formed at the V-shaped ventilation groove 23, and the ventilation gap and the arc-shaped heat dissipation groove 22 form a convection channel. There are two arc-shaped holes respectively. After installation, there is a 1.2mm gap between the touch button and the arc-shaped heat dissipation groove. The hot air inside can flow out through the arc-shaped ventilation holes, thereby reducing the internal temperature without affecting the overall appearance of the lampshade. Dimensions: radius 10mm, width 1mm, length 14.5mm arc hole.

[0036] The arc-shaped heat dissipation grooves cooperate with the V-shaped slots to effectively form an air convection structure inside the lampshade, so that even if the lamp body is used for a relatively long time, the temperature inside the lampshade can be timely reduced to extend the service life. In this embodiment, there are eight V-shaped slots, and after installation, a gap is formed between the reflector cover and the base.

[0037] The base assembly 1 includes a base lower cover 24 and a base upper cover 25 fixed by screws, the base upper cover 25 is provided with a strip groove 26 and a switch panel mounting groove 27, the top surface of the base lower cover 24 is fixed with a base reinforcement 28 by screws, the top surface of the base reinforcement 28 is fixed with a left support plate 29 and a right support plate 30 by screws, the left support plate 29 and the right support plate 30 are connected with an aluminum tube movable joint 31 by a pin shaft, and the left support plate 29 and the right support plate 30 are provided with There is an arc-shaped guide groove 44 with the pin as the center, and a guide boss 45 is integrally formed on the symmetrical side wall of the aluminum tube movable joint 31. The guide boss 45 is in the arc-shaped guide groove 44. When the aluminum tube movable joint rotates with the pin as the center, the guide boss 45 and the arc-shaped guide groove 44 are used for guiding and limiting. The top of the aluminum tube movable joint 31 is fixed with a mounting column 32, and the bottom tube body 4 is inserted into the strip groove and is connected and fixed with the mounting column 32 through a joint sleeve tube 33.

[0038] A charging USB circuit board 34 and a jack circuit board 35 are fixed in the base lower cover 24, a switch panel 36 is fixed in the switch panel mounting slot 27 by screws, a circuit control board 37 is fixed on the bottom surface of the switch panel 36, a dimmable circuit board 38, a dimmable button 39 and a dimmable matching piece 40 are arranged on the top surface of the circuit control board 37, and the wires of the lamp bead board 20 are electrically connected to the circuit control board 37 after passing through the bottom tube body 4 and the top tube body 5. In this embodiment, there are four springs on the circuit control board, which are stuck at the four indicator buttons of the base switch panel as pressure sensors. When in use, the corresponding indicator lights will light up slightly, thereby facilitating operation and control.

[0039] The dimmable light matching component is a condenser plate, the dimmable light circuit board 38 includes a color temperature adjustment circuit board 381 and a stepless dimming circuit board 382 , and a socket plastic component 41 is fixed to the side of the base lower cover 24 .

[0040] A counterweight block 42 is fixed in the base lower cover 24 , and a position-avoiding groove 43 is formed on the counterweight block 42 . The aluminum tube movable joint 31 is located in the position-avoiding groove 43 .

[0041] The top and bottom surfaces of the light collecting plate are provided with small bumps, which are snapped into the small round holes of the color temperature adjustment circuit board 381 and the stepless dimming circuit board 382 and are clamped and fixed by the stepless dimming circuit board and the circuit control board. The part of the stepless dimming circuit board is connected and welded with the local welding point of the circuit control board, so that the stepless dimming circuit board, the light collecting plate and the circuit control board form a circuit component module for use. The light collecting plate plays the role of focusing, and the light passes through the arc-shaped perforation of the stepless dimming circuit board and just hits the dimmable button on the base switch panel, and cooperates with the stepless dimming circuit board to realize the stepless dimming of the lamp through the brightness length of the dimmable button.

[0042] In this embodiment, the base cover: Material specification: plastic Size: diameter 168X height 42mm;

[0043] Base switch panel: Material specification: plastic Size: length 98X width 90X height 32mm;

[0044] Dimmable button: Material specification: plastic Size: length 50X width 7X height 6.5mm;

[0045] First dimming circuit board: Material specifications: Circuit board size: length 60X width 27X thickness 1.0mm;

[0046] Focusing strip: Material specification: plastic Size: length 60X width 16X height 7mm;

[0047] Circuit control board: Material specifications: Circuit board size: length 70X width 50X thickness 1.0mm;

[0048] Second dimmable circuit board: Material specifications: Circuit board size: diameter 38X thickness 1.0mm;

[0049] Counterweight: Material specification: cast iron Size: length 120X width 153X height 36mm;

[0050] Jack circuit board: Material specifications: Circuit board size: length 17X width 21X thickness 1.5mm;

[0051] Charging USB circuit board: Material specifications: Circuit board size: length 70X width 25X thickness 1.5mm;

[0052] Base lower cover: Material specifications: plastic Size: diameter 162X height 15mm.

[0053] The lamp bead plate 20 includes an upper lamp bead plate 201 , a heat conduction plate 202 and a lower lamp bead plate 203 arranged in sequence from bottom to bottom.

[0054] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification and the drawings can also be directly processed according to the existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0055] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. However, these obvious changes or modifications derived from the essential spirit of the present invention still fall within the protection scope of the present invention.

Claims

1. A double-pole desk lamp structure, comprising a base assembly (1), a lamp pole assembly (2) arranged on the base assembly (1), and a lampshade assembly (3) fixed on the lamp pole assembly (2), characterized in that: The lamp pole assembly (2) comprises a bottom tube body (4) and a top tube body (5), the bottom end of the bottom tube body (4) is connected to the base assembly (1), the outer end of the top tube body (5) is connected to the lamp shade assembly (3), the top end of the bottom tube body (4) and the inner end of the top tube body (5) are connected via a movable assembly (6), the movable assembly (6) comprises an adjustable movable joint (61), a circular body (62) is fixed to the top end of the adjustable movable joint (61), an adjustable joint cylindrical seat (64) is also provided, an arc-shaped adjustment groove (65) is provided on the side of the adjustable joint cylindrical seat (64), the circular body (62) is inserted into the arc-shaped adjustment groove (65) The adjustable joint cylindrical seat (64) is inserted into the adjustable joint cylindrical seat (64) and is limited by the damping shaft (66) and the shaft sleeve (67); the adjustable movable joint (61) can rotate in the adjustable joint cylindrical seat (64) with the damping shaft (66) as the center and be positioned by the damping shaft (66); the bottom end of the adjustable movable joint (61) is fixed to the top end of the bottom tube body (4) through a connecting sleeve (68); the adjustable joint cylindrical seat (64) is fixed to the inner side end of the top tube body (5) through a mounting sleeve (69); an elastic member (63) is fixed to the end of the mounting sleeve (69); and the mounting sleeve (69) is connected to the inner side end of the top tube body (5) through the elastic member (63); The damping shaft is the rotating shaft of the rotating structure, and a circular body is fixed on the top of the adjustable movable joint through the damping shaft, and the damping shaft is interference fit; The lampshade assembly (3) comprises an outer lampshade (7) and a bottom cover (8) fixed to the bottom end of the outer lampshade (7), an inner lampshade (9) arranged inside the outer lampshade (7), and a diffusion cover (10) arranged inside the inner lampshade (9), the upper parts of the side walls of the outer lampshade (7) and the inner lampshade (9) are provided with mounting through holes (11), and the outside of the top tube body (5) is fixedly connected to the mounting through holes (11) via a lamp tube rotating joint (12) and a full tooth tube (13); The lamp tube rotating joint (12) comprises a double-layer cover connecting piece (121), a ball head support rod (122) and an inner connecting gasket (123); the double-layer cover connecting piece (121) is inserted into the installation through hole (11); the full tooth tube (13) is inserted into the double-layer cover connecting piece (121); the inner connecting gasket (123) is located on the inner side of the full tooth tube (13) and is fixed by a nut; the inner connecting gasket (123) is pressed against the double-layer cover connecting piece (121) for positioning; the ball head of the ball head support rod (122) is inserted into the double-layer cover connecting piece (11); 21), the double-layer cover connecting piece can rotate around the ball head as the center, the bottom surface of the end of the top tube body (5) is threadedly connected to a limiting column rod (46), the bottom surface of the ball head support rod (122) is provided with an arc-shaped rotation groove (124), the arc-shaped rotation groove (124) is located on the same circular surface of the ball head support rod (122), the limiting column rod (46) is located in the arc-shaped rotation groove (124), and when the ball head support rod (122) rotates in the top tube body (5), it is limited by the limiting column rod (46) and the arc-shaped rotation groove (124).

2. The double-pole desk lamp structure according to claim 1, characterized in that: A heat dissipation aluminum plate (14) is arranged inside the diffusion cover (10), a driving circuit board (15) is arranged outside the heat dissipation aluminum plate (14), an upper connecting block (16) is fixed to the top of the heat dissipation aluminum plate (14), a button switch (17) is fixed to the top of the upper connecting block (16), a concave cavity (18) is opened on the top surface of the outer lampshade (7) and the inner lampshade (9), a touch panel (19) is arranged inside the concave cavity (18), and the button switch (17) is located on the bottom surface of the touch panel (19), a lamp bead board (20) is arranged inside the bottom cover (8), and a lamp tube surface cover (21) is fixed to the bottom surface of the bottom cover (8).

3. The double-pole desk lamp structure according to claim 2, characterized in that: The bottom wall of the cavity (18) is provided with an arc-shaped heat dissipation groove (22), and the top of the side wall of the bottom cover (8) is provided with a plurality of V-shaped air permeable grooves (23); when the bottom cover (8) is connected to the diffusion cover (10), an air permeable gap is formed at the V-shaped air permeable groove (23), and the air permeable gap and the arc-shaped heat dissipation groove (22) form a convection channel.

4. The double-pole desk lamp structure according to claim 3, characterized in that: The base assembly (1) comprises a base lower cover (24) and a base upper cover (25) fixed by screws, the base upper cover (25) is provided with a strip groove (26) and a switch panel mounting groove (27), the top surface of the base lower cover (24) is fixed with a base reinforcement member (28) by screws, the top surface of the base reinforcement member (28) is fixed with a left support plate (29) and a right support plate (30) by screws, the left support plate (29) and the right support plate (30) are connected with an aluminum tube movable joint (31) by a pin shaft, and the left support plate (29) and the right support plate (30) are connected with an aluminum tube movable joint (31) by a pin shaft. ) is provided with an arc-shaped guide groove (44) with the pin shaft as the center, and a guide boss (45) is integrally formed on the symmetrical side wall of the aluminum tube movable joint (31). The guide boss (45) is located in the arc-shaped guide groove (44). When the aluminum tube movable joint rotates with the pin shaft as the center, the guide boss (45) and the arc-shaped guide groove (44) are used for guiding and limiting. The top of the aluminum tube movable joint (31) is fixed with a mounting column (32), and the bottom tube body (4) is inserted into the strip groove and is connected and fixed to the mounting column (32) through a joint sleeve tube (33).

5. The double-pole desk lamp structure according to claim 4, characterized in that: A charging USB circuit board (34) and a socket circuit board (35) are fixed in the base lower cover (24); a switch panel (36) is fixed in the switch panel mounting groove (27) by means of screws; a circuit control board (37) is fixed on the bottom surface of the switch panel (36); a dimmable circuit board (38), a dimmable button (39) and a dimmable matching piece (40) are arranged on the top surface of the circuit control board (37); and the wires of the lamp bead board (20) are electrically connected to the circuit control board (37) after passing through the bottom tube body (4) and the top tube body (5).

6. The double-pole desk lamp structure according to claim 5, characterized in that: The dimmable matching component is a condenser plate, the dimmable circuit board (38) comprises a color temperature adjustment circuit board (381) and a stepless dimming circuit board (382), and a socket plastic component (41) is fixed to the side of the base lower cover (24).

7. The double-pole desk lamp structure according to claim 6, characterized in that: A counterweight block (42) is fixed inside the base lower cover (24), a position-avoiding groove (43) is provided on the counterweight block (42), and the aluminum tube movable joint (31) is located in the position-avoiding groove (43).

8. The double-pole desk lamp structure according to claim 7, characterized in that: The lamp bead plate (20) comprises an upper lamp bead plate (201), a heat conduction plate (202) and a lower lamp bead plate (203) which are arranged in sequence from bottom to bottom.

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