CN213420740U

CN213420740U - Desk lamp with adjustable illumination range

Info

Publication number: CN213420740U
Application number: CN202022890719.0U
Authority: CN
Inventors: 陈宝林; 何国民
Original assignee: Fuzhou Tongyu Household Products Co ltd
Current assignee: Fuzhou Tongyu Household Products Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-06-11
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to a desk lamp of adjustable illumination scope, the technical field of lamps and lanterns is related to, a desk lamp of adjustable illumination scope, the on-line screen storage device comprises a base, the vertical supporting seat of fixedly connected with on the base, the one end that the base was kept away from to the supporting seat is connected with the bulb that is used for the illumination, bulb circumference cover is equipped with the lamp shade of downward flaring, the cross-section of the vertical direction of lamp shade is isosceles trapezoid, the one end that the base was kept away from to the supporting seat includes the erection rod, be provided with annular installation edge on the erection rod outer wall, the last mounting bracket that encircles the lamp shade that is connected with of installation edge, the mounting bracket is including the mount pad that is located the bulb top, sliding connection has the butt pole of several and lamp shade inner wall. The application provides a desk lamp of adjustable illumination scope can make the desk lamp can adjust the scope of the illumination circle that the desk lamp below formed.

Description

Desk lamp with adjustable illumination range

Technical Field

The application relates to the field of lamps, in particular to a desk lamp with an adjustable illumination range.

Background

At present can use the desk lamp to throw light on usually when work or study, and the desk lamp bulb passes through lamp shade inner wall diffuse reflection on every side, and partial light penetrates from the lamp shade outer wall, and most light shines to the desktop from the lamp shade bottom on, and diffuse reflection's light is comparatively soft not dazzling.

Refer to fig. 5 for a desk lamp among the correlation technique, including base 1, be connected with vertical supporting seat 2 on the base 1, the one end that base 1 was kept away from to supporting seat 2 is provided with installation pole 22, threaded connection has bulb 5 on the installation pole 22, during the switch on, bulb 5 can light, bulb 5 outside cover is equipped with lamp shade assembly 8, lamp shade assembly 8 includes lamp shade body 82 and link 81, establish on installation pole 22 and with the installation of setting on installation pole 22 outer wall along 21 butt with link 81 cover, threaded connection has the clamping ring 6 that is used for pressing from both sides link 81 along 21 with the installation on installation pole 22, thereby realize the installation and the use of desk lamp.

With respect to the above-described related art, the inventors consider that the following drawbacks exist: bulb 5 makes light assemble at 2 circumference of supporting seat and forms the illumination circle through the reflection of lamp shade assembly 8, thereby above-mentioned lamp shade assembly 8 can not adjust the illumination scope according to the size that the demand changed the illumination circle.

SUMMERY OF THE UTILITY MODEL

In order to make the desk lamp can adjust irradiant scope, this application provides a desk lamp of adjustable illumination scope.

The application provides a pair of desk lamp of adjustable illumination scope adopts following technical scheme:

the utility model provides a desk lamp of adjustable illumination scope, includes the base, the vertical supporting seat of fixedly connected with on the base, and the one end that the base was kept away from to the supporting seat is connected with the bulb that is used for the illumination, bulb circumference cover is equipped with the lamp shade of downward flaring, the cross-section of the vertical direction of lamp shade is isosceles trapezoid, the one end that the base was kept away from to the supporting seat includes the installation pole, is provided with annular installation edge on the installation pole outer wall, the last mounting bracket that encircles the lamp shade that is connected with of installation edge, the mounting bracket is including being located the mount pad of bulb top, sliding connection has the several on the mount pad along the horizontal direction with the butt pole of lamp shade inner wall butt, be provided with the positioning mechanism.

By adopting the technical scheme, the bulb is fixed by the mounting rod and is powered on for illumination, the lampshade with a downward flaring and an isosceles trapezoid cross section is sleeved on the outer side of the bulb, the abutting rod connected to the mounting seat in a sliding manner abuts against the side wall of the lampshade, and the abutting rod is not easy to move through the positioning structure, so that the position of the lampshade is fixed; the abutting rods are slid to lift or lower the lampshade, so that the lampshade is abutted against the abutting rods and is fixed through the positioning mechanism, the abutted positions of the lampshade and the abutting rods are changed, and when the distance between the lampshade and the base is reduced, the illumination area is reduced; when the distance between the lampshade and the ground is increased, the illumination area is increased, and the function of adjusting the illumination area is achieved.

Optionally, the installation pole is located the installation is provided with the external screw thread along keeping away from base one end, the mounting bracket establish on the supporting seat and along the lantern ring of butt with the installation including the cover, threaded connection has the clamping ring that is used for pressing from both sides tight lantern ring on the installation pole.

Through adopting above-mentioned technical scheme, the lantern ring cover is established on the installation pole and is followed the tight lantern ring of clamp through clamping ring and installation for the mounting bracket position can be fixed and convenient the dismantlement.

Optionally, a plurality of connecting strips are arranged on the surface of the lantern ring and surround the installation rod at intervals, the connecting strips are arranged upwards in an inclined mode towards a direction away from the installation rod, and one side, away from the lantern ring, of each connecting strip is fixedly connected with the installation seat.

Through adopting above-mentioned technical scheme, the support bar plays the effect of supporting the mount pad, and two adjacent connecting strip intervals are great, and the bulb can be followed and put into the installation to the installation pole from two adjacent connecting strip middle parts under the condition of not dismantling the mounting bracket on.

Optionally, a vertical groove with a square horizontal cross section is formed in the middle of the mounting seat, a horizontal hole penetrating through the mounting seat is formed in the side wall of the vertical groove, the butt-joint rod slides in the horizontal hole, and a pushing structure and a resetting structure for enabling the butt-joint rod to slide are arranged on the mounting seat.

Through adopting above-mentioned technical scheme, offer on the mount pad and supply the gliding cross bore of butt pole, make the butt pole can remove along the cross bore through promoting structure and reset structure.

Optionally, a vertical screw rod is arranged in the middle of the vertical groove, the pushing structure comprises a circular truncated cone which is connected to the screw rod in a sliding mode, the axis of the circular truncated cone is vertical, and the abutting rod abuts against the side wall of the circular truncated cone.

By adopting the technical scheme, as the side wall of the circular truncated cone is inclined, when the circular truncated cone moves towards the surface direction with smaller area, the circular truncated cone can push the abutting rod to move.

Optionally, the positioning mechanism comprises a sleeve fixedly connected to one side, away from the mounting plate, of the circular truncated cone, and the sleeve is in threaded connection with the screw rod.

By adopting the technical scheme, the round table is connected with the sleeve, and when the sleeve is rotated to change the position of the threaded connection between the sleeve and the screw rod, the round table can be driven to move.

Optionally, the reset structure comprises a protruding block arranged on one side, far away from the circular truncated cone, of the abutting rod, and a tension spring is connected between the protruding block and the mounting seat.

Through adopting above-mentioned technical scheme, when rotating the sleeve and making the round platform move towards the great surface of area, the extension spring shrink makes the butt pole can move towards the direction of keeping away from the lamp shade.

Optionally, one end of the abutting rod, which is far away from the circular truncated cone, is provided with an elastic pad which is attached to the inner wall of the lampshade.

Through adopting above-mentioned technical scheme, the cushion butt is difficult for causing the injury to the lamp shade at the lamp shade inner wall, and can rotate the sleeve and increase the supporting power, and cushion and lamp shade inner wall can keep better friction for the difficult landing of lamp shade.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lampshade is in a downward flaring shape, the cross section of the lampshade is in an isosceles trapezoid shape, the abutting rod which is connected to the mounting seat in a sliding mode abuts against the side wall of the lampshade tightly, and the abutting rod is not prone to moving through the positioning structure, so that the position of the lampshade is fixed; the abutting rod is slid, abutted against the lampshade and fixed through the positioning mechanism, so that the abutted position of the lampshade and the abutting rod is changed, and when the distance between the lampshade and the base is changed, the illumination area is adjusted;

2. the circular truncated cone can push the abutting rod to move by rotating the sleeve so as to enable the circular truncated cone to move along the vertical direction;

3. the end of the abutting rod away from the round table is provided with an elastic pad used for abutting against the lampshade, so that the lampshade is not easy to slide.

Drawings

FIG. 1 is an overall schematic diagram of an embodiment of the present application;

FIG. 2 is an exploded schematic view of an embodiment of the present application;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is a schematic view, partially in cross-section, of an embodiment of the present application;

fig. 5 is a schematic diagram of an overall structure of a desk lamp in the related art.

Description of reference numerals: 1. a base; 2. a supporting seat; 21. mounting edges; 22. mounting a rod; 3. a mounting frame; 31. a collar; 32. a connecting strip; 33. a mounting seat; 331. a vertical slot; 332. a transverse hole; 333. a butting rod; 3331. a bump; 3332. an elastic pad; 3333. a tension spring; 334. a screw; 335. a sleeve; 336. a circular truncated cone; 4. a lamp shade; 5. a bulb; 6. pressing a ring; 7. a connecting ring; 8. a lamp housing assembly; 81. a connecting frame; 811. a circular ring; 82. the lampshade body.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses desk lamp of adjustable illumination scope. Referring to fig. 1 and 2, a desk lamp with adjustable illumination range comprises a base 1, wherein a vertical supporting seat 2 is connected to the middle of the base 1, one end, away from the base 1, of the supporting seat 2 comprises an installation rod 22, the top of the installation rod 22 is in threaded connection with a bulb 5, and the bulb 5 can emit light for illumination by being connected with a power supply. The lamp shade 4 is sleeved outside the bulb 5, and most of light irradiates on the inner wall of the lamp shade 4 to form an illumination area at the periphery of the base 1 through diffuse reflection.

Referring to fig. 2 and 3, an installation edge 21 is integrally connected to the outer wall of the installation rod 22, an external thread is arranged on one side, away from the base 1, of the installation rod 22, the installation rod 22 is connected to the supporting seat 2, the installation frame 3 comprises a lantern ring 31 which is sleeved on the installation rod 22 and abutted to the installation edge 21, a pressing ring 6 is connected to the external thread section of the installation rod 22 in a threaded mode, the lantern ring 31 can be clamped tightly along the installation edge 21 through the pressing ring 6, and therefore the overall position of the installation frame 3 is fixed.

Referring to fig. 2 and 3, four connecting strips 32 are arranged on the collar 31 at equal intervals around the through hole in the middle part, one end of each connecting strip 32, which is far away from the collar 31, is connected with a mounting seat 33, the connecting strips 32 incline upwards towards the through hole in the middle part of the collar 31, and the interval between two adjacent connecting strips 32 can be used for a user to connect the bulb 5 on the supporting seat 2 in a threaded manner, so that the mounting seat 3 does not need to be taken down.

Referring to fig. 2 and 4, an installation base 33 is fixedly connected to one end of the connecting bar 32, which is far away from the installation edge 21, a vertical groove 331 is formed in the surface of the installation base 33, which is far away from the bulb 5, a screw 334 is fixedly connected to the middle of the bottom surface of the vertical groove 331, a sleeve 335 is in threaded connection with the screw 334, a circular truncated cone 336 which is sleeved on the screw 334 and moves along with the screw 334 is integrally connected to the sleeve 335, the circular truncated cone 336 is located in the vertical groove 331, and the small end surface of the circular truncated cone. The horizontal section of the vertical groove 331 is square, the four side walls of the vertical groove 331 are provided with transverse holes 332 penetrating through the mounting seat 33, and the transverse holes 332 are rectangular holes; a contact rod 333 is slidably connected in the transverse hole 332, the vertical section of the contact rod 333 is rectangular, one end of the contact rod 333 is in contact with the circular truncated cone 336, and the other end is bonded with an elastic pad 3332, preferably a rubber pad, in contact with the inner wall of the lampshade 4. Two ends of the abutting rod 333 are respectively cut into inclined planes which are matched and attached with the round platforms 336 and the inner wall of the lampshade 4. Two convex blocks 3331 are integrally connected to one end of the abutting rod 333, which is located outside the mounting seat 33, and a tension spring 3333 is fixedly connected to the convex blocks 3331 and the side wall of the mounting seat 33. When the rotating sleeve 335 moves downward, the circular truncated cone 336 can push the abutting rod 333 to move toward the lampshade 4, and when the rotating sleeve 335 moves upward, the abutting rod 333 moves toward a direction away from the sleeve 335 under the action of the tension spring 3333, so that the resetting is convenient.

The implementation principle of the desk lamp with the adjustable illumination range in the embodiment of the application is as follows: sleeving the lantern ring 31 on the supporting seat 2 and abutting against the mounting edge 21, rotating the pressing ring 6 to enable the pressing ring 6 and the mounting edge 21 to clamp and fix the lantern ring 31, and fixing the position of the mounting frame 3; the bulb 5 enters from between the two connecting strips 32 and is installed on the supporting seat 2, the lampshade 4 is sleeved on the installation frame 3, the elastic piece on the abutting rod 333 abuts against the inner wall of the lampshade 4, and the sleeve 335 is slightly rotated to enable the abutting rod 333 to abut against the lampshade 4 more tightly; when the area of the illumination area needs to be changed, the lampshade 4 can be taken down or lifted, the sleeve 335 is rotated to move the abutting rod 333 towards the lampshade 4 or move towards the direction away from the lampshade 4 by the resetting of the pull ring 3333, and the lampshade 4 is fixed in the above manner.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a desk lamp of adjustable illumination scope, includes base (1), vertical supporting seat (2) of fixedly connected with on base (1), and the one end that base (1) were kept away from in supporting seat (2) is connected with bulb (5) that are used for the illumination, bulb (5) circumference cover is equipped with lamp shade (4) of downward flaring, the cross-section of the vertical direction of lamp shade (4) is isosceles trapezoid, its characterized in that: the one end that base (1) was kept away from in supporting seat (2) is including installation pole (22), is provided with annular installation on installation pole (22) outer wall along (21), be connected with mounting bracket (3) around lamp shade (4) on installation edge (21), mounting bracket (3) are including being located mount pad (33) of bulb (5) top, on mount pad (33) along the horizontal direction on sliding connection have the several with butt joint pole (333) of lamp shade (4) inner wall butt, be provided with the positioning mechanism who is used for fixed butt joint pole (333) position on mounting bracket (3).

2. The desk lamp with adjustable illumination range of claim 1, wherein: the mounting rod (22) is provided with external threads on the outer wall of one end far away from the base (1), the mounting rack (3) is sleeved on the supporting seat (2) and is installed along the lantern ring (31) of (21) butt, and the mounting rod (22) is provided with a pressing ring (6) which is used for clamping the lantern ring (31) in a threaded connection mode.

3. The desk lamp with adjustable illumination range of claim 2, wherein: the lantern ring (31) surrounds on the surface installation pole (22) interval and is provided with several connecting strip (32), connecting strip (32) upwards set up towards the direction slope of keeping away from installation pole (22), one side and mount pad (33) fixed the linking to each other that lantern ring (31) are kept away from in connecting strip (32).

4. The desk lamp with adjustable illumination range of claim 1, wherein: the horizontal cross section of the middle portion of the mounting seat (33) is provided with a square vertical groove (331), the side wall of the vertical groove (331) is provided with a horizontal hole (332) which penetrates through the mounting seat (33), the abutting rod (333) slides in the horizontal hole (332), and the mounting seat (33) is provided with a pushing structure and a resetting structure which are used for enabling the abutting rod (333) to slide.

5. The desk lamp with adjustable illumination range of claim 4, wherein: erect groove (331) middle part and be provided with vertical screw rod (334), promote the structure and include round platform (336) of sliding connection on screw rod (334), round platform (336) axis is vertical, butt joint pole (333) with round platform (336) lateral wall butt.

6. The desk lamp with adjustable illumination range of claim 5, wherein: the positioning mechanism comprises a sleeve (335) fixedly connected to one side, away from the mounting plate, of the circular truncated cone (336), and the sleeve (335) is in threaded connection with the screw (334).

7. The desk lamp with adjustable illumination range of claim 6, wherein: the resetting structure comprises a convex block (3331) which is arranged on one side of the abutting rod (333) far away from the circular truncated cone (336), and a tension spring (3333) is connected between the convex block (3331) and the mounting seat (33).

8. The desk lamp with adjustable illumination range of claim 7, wherein: one end, far away from the round platform (336), of the abutting rod (333) is provided with an elastic pad (3332) attached to the inner wall of the lampshade (4).