CN213362119U

CN213362119U - Adjustable LED blackboard lamp

Info

Publication number: CN213362119U
Application number: CN202022938225.5U
Authority: CN
Inventors: 余细华; 陈龙飞
Original assignee: Guangdong Base Lighting Co ltd
Current assignee: Guangdong Base Lighting Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-06-04
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses an adjustable LED blackboard lamp, which comprises a first fixing plate, wherein the lower surface of the first fixing plate is rotationally connected with a first rod body through a first bearing, the outer side wall of the first rod body is welded with a first bevel gear, the outer side wall of the first bevel gear is engaged with a second bevel gear, the inner circle of the second bevel gear is fixedly connected with a second rod body, the outer side wall of the second rod body is welded with a third bevel gear, the lower surface of the first fixing plate is rotationally connected with a threaded rod through a second bearing, the outer side wall of the threaded rod is fixedly connected with a fourth bevel gear, the utility model drives the threaded rod to rotate through the first bevel gear, the second bevel gear, the third bevel gear and the fourth bevel gear, thereby adjusting the height position of a first shell, so that the utility model is convenient for adjusting the height position of an LED lamp panel according to, the illuminating effect on the blackboard is improved, and the illuminating use of the blackboard is facilitated.

Description

Adjustable LED blackboard lamp

Technical Field

The utility model relates to a blackboard lamp technical field specifically is a LED blackboard lamp with adjustable.

Background

The blackboard is a plane that can be repeatedly written by chalk, and the face is hard, is mostly used for teaching, and the blackboard is generally made of plank or ground glass, and is mostly black, dark green, white or beige. The blackboard lamp is used for hanging on a ceiling in front of the blackboard to provide a light source for the blackboard.

Current LED blackboard lamp, at the in-process that uses, because blackboard lamp is apart from the last reason vertical distance of blackboard for fixed interval, and the height of blackboard is facing different students' height, need adjust it, lead to blackboard lamp to change apart from the high production of blackboard, and current blackboard lamp is not convenient for carry out the regulation of high position according to the height of blackboard, reduces the illuminating effect to the blackboard, is unfavorable for the illumination of blackboard to use, for this reason, provides an adjustable LED blackboard lamp.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED blackboard lamp with adjustable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable LED blackboard lamp comprises a first fixing plate, wherein the lower surface of the first fixing plate is rotatably connected with a first rod body through a first bearing, a first bevel gear is welded on the outer side wall of the first rod body, a second bevel gear is meshed and connected with the outer side wall of the first bevel gear, the inner ring of the second bevel gear is fixedly connected with a second rod body, a third bevel gear is welded on the outer side wall of the second rod body, the lower surface of the first fixing plate is rotatably connected with a threaded rod through a second bearing, a fourth bevel gear is fixedly connected with the outer side wall of the threaded rod, the outer side wall of the fourth bevel gear is meshed and connected with the outer side wall of the third bevel gear, a sleeve is in threaded connection with the outer side wall of the threaded rod, a first shell is fixedly connected with the bottom of the sleeve, an LED lamp panel is installed on the inner side wall, the inside wall that the second led to the groove is equipped with the U-shaped plate, the bottom welding of U-shaped plate has the third body of rod.

As further preferable in the present technical solution: the lateral wall symmetrical welding of the third body of rod has two handles, the bottom welding of the third body of rod has the link.

As further preferable in the present technical solution: the outer side wall of the second rod body is fixedly connected with a third bearing, a second fixing plate is welded to the top wall of the outer side wall of the third bearing, and the top of the second fixing plate is welded to the lower surface of the first fixing plate.

As further preferable in the present technical solution: the upper surface of the first fixing plate is symmetrically and fixedly connected with two supports, the lower surface of each support is symmetrically and threadedly connected with two bolts, and one ends of the bolts penetrate through the lower surfaces of the supports.

As further preferable in the present technical solution: the last fixed surface of the first casing is connected with the second casing, the inside wall sliding connection of second casing has the fourth body of rod, the top of the fourth body of rod with the lower fixed surface of first fixed plate is connected, the bottom welding of the fourth body of rod has the limiting plate.

As further preferable in the present technical solution: a first through groove is formed in the lower surface of the first shell, and a plate body is fixedly connected to the inner side wall of the first through groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a first bevel gear, second bevel gear, third bevel gear and fourth bevel gear drive the threaded rod and rotate to adjust the high position of first casing, make the utility model discloses be convenient for carry out the regulation of high position to the LED lamp plate according to the height of blackboard, promote the illuminating effect to the blackboard, do benefit to the illumination of blackboard and use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a connection structure of the first rod and the U-shaped plate according to the present invention;

fig. 3 is a schematic view of the internal structure of the second housing of the present invention;

fig. 4 is a schematic view of the internal structure of the first housing according to the present invention.

In the figure: 1. a first fixing plate; 2. a first bearing; 3. a first rod body; 4. a first bevel gear; 5. a second bevel gear; 6. a second rod body; 7. a third bevel gear; 8. a second bearing; 9. a threaded rod; 10. a fourth bevel gear; 11. a sleeve; 12. a first housing; 13. an LED lamp panel; 14. a U-shaped plate; 15. a third rod body; 16. a handle; 17. hanging a ring; 18. a second fixing plate; 19. a third bearing; 20. a support; 21. a bolt; 22. a fourth rod body; 23. a second housing; 24. a limiting plate; 25. a first through groove; 26. a plate body; 27. a second through slot.

Detailed Description

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

Examples

Referring to fig. 1-4, the present invention provides a technical solution: an adjustable LED blackboard lamp comprises a first fixing plate 1, the lower surface of the first fixing plate 1 is rotatably connected with a first rod body 3 through a first bearing 2, a first bevel gear 4 is welded on the outer side wall of the first rod body 3, a second bevel gear 5 is meshed and connected with the outer side wall of the first bevel gear 4, the inner ring of the second bevel gear 5 is fixedly connected with a second rod body 6, a third bevel gear 7 is welded on the outer side wall of the second rod body 6, a threaded rod 9 is rotatably connected with the lower surface of the first fixing plate 1 through a second bearing 8, a fourth bevel gear 10 is fixedly connected with the outer side wall of the threaded rod 9, the outer side wall of the fourth bevel gear 10 is meshed and connected with the outer side wall of the third bevel gear 7, a sleeve 11 is in threaded connection with the outer side wall of the threaded rod 9, a first shell 12 is fixedly connected with the bottom of the sleeve 11, an LED lamp panel, the inner side wall of the second through groove 27 is provided with a U-shaped plate 14, and the bottom of the U-shaped plate 14 is welded with a third rod body 15.

In this embodiment, specifically: two handles 16 are symmetrically welded on the outer side wall of the third rod body 15, and a hanging ring 17 is welded at the bottom of the third rod body 15; through the setting of handle 16, hold handle 16, be convenient for drive the third body of rod 15 and rotate, when the third body of rod 15 does not use, hang link 17 on the couple, hang the third body of rod 15 and accomodate.

In this embodiment, specifically: the outer side wall of the second rod body 6 is fixedly connected with a third bearing 19, the top wall of the outer side wall of the third bearing 19 is welded with a second fixing plate 18, and the top of the second fixing plate 18 is welded with the lower surface of the first fixing plate 1; the third bearing 19 is matched with the second fixing plate 18 to limit the position of the second rod body 6, so that the stability of the second rod body 6 is improved.

In this embodiment, specifically: the upper surface of the first fixing plate 1 is symmetrically and fixedly connected with two brackets 20, the lower surface of the bracket 20 is symmetrically and threadedly connected with two bolts 21, and one ends of the bolts 21 penetrate through the lower surface of the bracket 20; through the arrangement of the bolt 21, the bolt 21 is rotated on the bracket 20 and is turned into a reserved mounting hole, and the position of the bracket 20 is fixed.

In this embodiment, specifically: the upper surface of the first shell 12 is fixedly connected with a second shell 23, the inner side wall of the second shell 23 is connected with a fourth rod 22 in a sliding manner, the top of the fourth rod 22 is fixedly connected with the lower surface of the first fixing plate 1, and the bottom of the fourth rod 22 is welded with a limiting plate 24; through the setting of the fourth body of rod 22, when threaded rod 9 rotated in sleeve 11, first casing 12 drove second casing 23 and slided on fourth rod 22, restricted first casing 12's position for first casing 12 only carries out the position removal from top to bottom and does not rotate, and limiting plate 24 restricts the position of the fourth body of rod 22.

In this embodiment, specifically: a first through groove 25 is formed in the lower surface of the first shell 12, and a plate body 26 is fixedly connected to the inner side wall of the first through groove 25; through the setting of plate body 26, the material of plate body 26 is clear glass, when giving off the light that LED lamp plate 13 sent, plays the effect of protection to LED lamp plate 13.

In this embodiment: the specific model of the LED lamp panel 13 is FPC-LED-2L.

Working principle or structural principle, when in use, the bolt 21 is rotated on the bracket 20 and inserted into a reserved mounting hole to fix the position of the bracket 20, so as to fix the position of the first fixing plate 1, the front surface of the first shell 12 is provided with a switch for controlling the LED lamp panel 13 to be started and closed, the switch is connected with external mains supply to supply power to the LED lamp panel 13, the switch can also be installed on the wall surface of a classroom, the LED lamp panel 13 is started through the switch to illuminate a blackboard, when the height position of the LED lamp panel 13 needs to be adjusted, the third rod 15 is held by hand to drive the U-shaped plate 14 to move, the U-shaped plate 14 is inserted into the second through groove 27, then the third rod 15 is rotated, the third rod 15 drives the U-shaped plate 14 to rotate, the U-shaped plate 14 drives the first rod 3 to rotate, the first bevel gear 4 is driven by the first bevel gear 4, the second bevel gear 5 is driven to rotate by the first bevel gear, second bevel gear 5 drives the second body of rod 6 and rotates, second body of rod 6 drives third bevel gear 7 and rotates, third bevel gear 7 drives fourth bevel gear 10 and rotates, thereby it rotates to drive threaded rod 9, threaded rod 9 rotates in sleeve 11, and first casing 12 drives second casing 23 and slides on fourth rod 22, restrict the position of first casing 12, make threaded rod 9 only drive sleeve 11 and carry out the position removal from top to bottom and do not rotate, adjust the high position of first casing 12, thereby the high position to LED lamp plate 13 is adjusted.

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

Claims

1. The utility model provides a LED blackboard lamp with adjustable, includes first fixed plate (1), its characterized in that: the lower surface of the first fixing plate (1) is rotatably connected with a first rod body (3) through a first bearing (2), the outer side wall of the first rod body (3) is welded with a first bevel gear (4), the outer side wall of the first bevel gear (4) is meshed with a second bevel gear (5), the inner ring of the second bevel gear (5) is fixedly connected with a second rod body (6), the outer side wall of the second rod body (6) is welded with a third bevel gear (7), the lower surface of the first fixing plate (1) is rotatably connected with a threaded rod (9) through a second bearing (8), the outer side wall of the threaded rod (9) is fixedly connected with a fourth bevel gear (10), the outer side wall of the fourth bevel gear (10) is meshed with the outer side wall of the third bevel gear (7), and the outer side wall of the threaded rod (9) is in threaded connection, the LED lamp comprises a sleeve (11), a first shell (12) fixedly connected with the bottom of the sleeve, a LED lamp panel (13) is installed on the inner side wall of the first shell (12), a second through groove (27) is formed in the outer side wall of the first rod body (3), a U-shaped plate (14) is arranged on the inner side wall of the second through groove (27), and a third rod body (15) is welded at the bottom of the U-shaped plate (14).

2. The adjustable LED blackboard lamp of claim 1, wherein: the outer side wall of the third rod body (15) is symmetrically welded with two handles (16), and the bottom of the third rod body (15) is welded with a hanging ring (17).

3. The adjustable LED blackboard lamp of claim 1, wherein: the outer side wall of the second rod body (6) is fixedly connected with a third bearing (19), a second fixing plate (18) is welded to the top wall of the outer side wall of the third bearing (19), and the top of the second fixing plate (18) is welded to the lower surface of the first fixing plate (1).

4. The adjustable LED blackboard lamp of claim 1, wherein: the upper surface of first fixed plate (1) symmetry fixedly connected with two supports (20), the lower surface symmetry threaded connection of support (20) has two bolts (21), the one end of bolt (21) is run through the lower surface of support (20).

5. The adjustable LED blackboard lamp of claim 1, wherein: the last fixed surface of first casing (12) is connected with second casing (23), the inside wall sliding connection of second casing (23) has the fourth body of rod (22), the top of the fourth body of rod (22) with the lower fixed surface of first fixed plate (1) is connected, the bottom welding of the fourth body of rod (22) has limiting plate (24).

6. The adjustable LED blackboard lamp of claim 1, wherein: a first through groove (25) is formed in the lower surface of the first shell (12), and a plate body (26) is fixedly connected to the inner side wall of the first through groove (25).