CN211450648U - Blackboard lamp with conveniently-adjusted irradiation angle - Google Patents

Abstract

The utility model discloses a blackboard lamp with an easy-to-adjust illumination angle, which relates to the technical field of indoor lighting. A diffuser film and a grille are installed in sequence from the inside to the outside to form a light-emitting surface. The upper surface of the lampshade exposed to the outside is provided with a chute, the connecting component is clamped in the chute, and one end of the boom can be adjusted. is fixed on the connecting assembly, and the other end of the boom is fixed on the ceiling. In the present invention, one end of the suspender is adjustable and fixed on the connecting component above the lampshade, so that the illumination angle of the lampshade can be adjusted after the blackboard lamp is constructed. In actual use, the bolt can also be loosened to adjust the angle of the lampshade. Concentrating the light of the blackboard light on the blackboard will help the viewer's eyesight health.

Description

A blackboard lamp whose illumination angle is easy to adjust

technical field

The utility model relates to the technical field of indoor lighting, in particular to a blackboard lamp whose illumination angle is easy to adjust.

Background technique

A blackboard is a hard board that can be written repeatedly with chalk. It is widely used in teaching and display activities for writing corresponding teaching or display content. Since the blackboard itself does not emit light, when the light in the environment where the blackboard is located is poor, a blackboard lamp needs to be used to illuminate the blackboard, so that the content written on the blackboard can be perceived by the human eye.

The blackboard lamp generally includes a lampshade and a lamp tube in the lampshade, and the light emitted by the lamp tube is emitted from the opening of the lampshade. However, the existing blackboard lights are all irradiated vertically downward, and the existing lamp shades are fixed and cannot be moved, so that after the construction of the blackboard lights is completed, the irradiation angle cannot be adjusted, and the light cannot be concentrated on the blackboard; moreover, the blackboard The light emitted by the lamp is irradiated to the part of the blackboard surface, and the full illumination cannot be achieved.

Utility model content

The purpose of the present utility model is to provide a blackboard lamp whose illumination angle is easy to adjust, so as to solve the above problems. The technical solutions adopted to achieve the above objectives are as follows:

A blackboard lamp with an easy-to-adjust illumination angle, comprising a lampshade, a light source and a power source are fixed in the lampshade, the power source and the light source are connected by wires, and a diffuser film is fixed at the opening of the lampshade from the inside to the outside. and grille to form a light-emitting surface, the upper surface of the lampshade exposed to the outside is provided with a chute, the connecting assembly is clamped in the chute, and one end of the boom is adjustable and fixed on the connecting assembly, the The other end of the boom is fixed to the ceiling.

Preferably, the lampshade includes a housing, a fixing plate is arranged in the housing, a accommodating cavity is formed between the upper surface of the fixing board and the housing, the power supply is installed in the accommodating cavity, and It is fixed on the upper surface of the fixing plate, the lower surface of the fixing plate is provided with a first installation groove and a second installation groove, and the two groups of the light sources are respectively installed in the first installation groove and the second installation groove.

Preferably, two accommodating grooves are oppositely arranged at the opening of the housing of the lampshade, and the diffusing film and the grille are installed in the two accommodating grooves.

Preferably, both ends of the housing of the lampshade along the length direction are further provided with end caps, and the end caps are used to seal the first installation groove, the second installation groove and the receiving groove.

Preferably, the light source includes an aluminum substrate and a plurality of lamp beads disposed on the aluminum substrate, and the plurality of lamp beads are uniformly disposed on the main surface of the aluminum substrate along the length direction of the aluminum substrate.

Preferably, the chute comprises an elongated body and hooks extending oppositely from the upper and lower ends of the body respectively, and a space between the body and the hooks is formed for clamping the connecting assembly card holding space.

Preferably, the connection assembly includes a connection seat, the connection seat is installed in the chute, the top of the connection seat is provided with a through hole, the hanger rod passes through the through hole, and the connection seat is The side wall is provided with a first fixing hole, the suspension rod is provided with a second fixing hole, and the pins pass through the first fixing hole and the second fixing hole in sequence to fix the suspension rod on the connecting seat.

Preferably, the through hole at the top of the connecting seat is elliptical, the two sides of the oval through hole are further provided with third fixing holes, a scribe is fixed above the connecting seat, and the scribe is provided with The suspending rod has a shape-matched avoidance hole, and two sides of the avoidance hole are provided with long waist holes, and the scribe is fixed on the third fixing hole of the connecting seat through the long waist holes.

Preferably, the other end of the hanging rod is fixed on a hanging board, the hanging board is fixed on the ceiling, and a decorative cover is provided outside the hanging board.

Preferably, the angle between the light-emitting surface and the horizontal direction is 40°˜50°.

The utility model provides a blackboard lamp whose illumination angle is easy to adjust. Irradiation angle, in actual use, you can also loosen the bolt to adjust the angle of the lampshade so that the light of the blackboard lamp is concentrated on the blackboard, which is helpful for the viewer's eyesight health.

Description of drawings

Fig. 1 is the perspective view of the blackboard lamp whose illumination angle is easy to adjust according to the present invention;

Fig. 2 is the exploded schematic diagram of the blackboard lamp whose illumination angle is easy to adjust according to the present invention;

Fig. 3 is the sectional view of the lampshade in the blackboard lamp whose illumination angle is easy to adjust according to the present invention;

4 is a partial schematic diagram of the hanger rod and the connecting assembly in the blackboard lamp whose illumination angle is easy to adjust according to the present invention.

Detailed ways

The specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. It should be noted here that the description of these embodiments is used to help the understanding of the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as there is no conflict with each other.

As shown in Figures 1-2, the present embodiment proposes a blackboard lamp whose illumination angle is easy to adjust, including a lampshade 1, a light source 2 and a power source (not shown) are fixed in the lampshade 1, and the power source and the light source 2 are connected by wires. The opening of the lampshade 1 is fixed with a diffusion film 3 and a grille 5 sequentially installed from the inside to the outside to form a light-emitting surface. In this embodiment, the angle between the light-emitting surface and the horizontal surface is α=45°. The upper surface of the lampshade 1 exposed to the outside is provided with a chute 11, the connecting assembly 5 is clamped in the chute 11, one end of the hanger 6 is adjustable and fixed on the connecting assembly 4, and the other end of the hanger 6 is fixed on the hanging plate 7, the hanging plate 7 is fixed on the ceiling, and the hanging plate 7 is provided with a decorative cover 8 outside.

As shown in FIG. 3 , the lampshade 1 includes a casing 12 , a fixing plate 13 is arranged in the casing 12 , a accommodating cavity 14 is formed between the upper surface of the fixing plate 13 and the casing 11 , and the power supply is installed in the accommodating cavity 14 , and It is fixed on the upper surface of the fixing plate 13 by double-sided tape, the lower surface of the fixing plate 13 is provided with a first installation groove 15 and a second installation groove 16, and the two groups of light sources are respectively installed in the first installation groove 15 and the second installation groove 16. Inside. Two accommodating grooves 17 are oppositely disposed at the opening of the housing 12 of the lampshade 1 , and the diffuser film 3 and the grille 4 are installed in the two accommodating grooves 17 . The housing 12 of the lampshade 1 is also provided with end caps 9 at both ends along the length direction, the housing 12 is provided with four screw holes 18, and the end caps 9 are fixed in the screw holes 18 by screws, so that the end cap 9 seals An installation groove 15 , a second installation groove 16 and a receiving groove 17 . The chute 11 includes an elongated body 111 and hooks 112 extending oppositely from the upper and lower ends of the body. A clamping space for clamping the connecting assembly 4 is formed between the body 111 and the hooks 112 .

The two groups of light sources 2 in this embodiment both include an aluminum substrate and 120 lamp beads arranged on the aluminum substrate, and the 120 lamp beads are uniformly arranged on the main surface of the aluminum substrate along the length direction of the aluminum substrate.

As shown in FIG. 4 , the connection assembly 4 of this embodiment includes a connection seat 41 , the connection seat 41 is installed in the chute 11 , the top of the connection seat 41 is provided with an oval through hole 42 , and the suspension rod 6 passes through the through hole 42 , the side wall of the connecting seat 41 is provided with a first fixing hole 43, and the suspension rod 6 is provided with a second fixing hole 61, and the pin 10 passes through the first fixing hole 43 and the second fixing hole 61 in turn to fix the suspension rod 6 in the connection on seat 41. There are also third fixing holes 47 on both sides of the oval through hole 42, a scribe 44 is fixed above the connecting seat 41, and the scribe 44 is provided with an avoidance hole 45 that matches the shape of the hanger 6, and two sides of the avoidance hole 45 are provided. There is a long waist hole 46 on the side. By adjusting the relative position of the long waist hole 46 and the third fixing hole 47, the angle of the hanger 6 relative to the lampshade 1 can be adjusted, and after adjusting to the desired position of the light-emitting surface of the lampshade 1 relative to the blackboard , the scribe 44 is fixed on the connecting seat 41 by bolts, and the position of the boom 6 relative to the lampshade 1 can be fixed.

The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, without departing from the principles and spirit of the present invention, various changes, modifications, substitutions and alterations can be made to these embodiments, which still fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a blackboard lamp that illumination angle is convenient for adjust which characterized in that: including the lamp shade, the lamp shade internal fixation has light source and power, the power with the light source passes through the wire and connects, the lamp shade opening part is fixed with and installs diffusion barrier and grid by interior outside to in proper order, forms the light emitting area, the lamp shade is exposed to the upper surface in the outside and is provided with the spout, and the coupling assembling card is held in the spout, the one end of jib is adjustable to be fixed on the coupling assembling, the other end of jib is fixed on the ceiling.

2. The blackboard lamp with the illumination angle convenient to adjust as claimed in claim 1, wherein: the lamp shade includes the casing, be equipped with the fixed plate in the casing, the fixed plate upper surface with form the holding chamber between the casing, the power is installed the holding intracavity, and fix the upper surface of fixed plate, the lower surface of fixed plate is equipped with first mounting groove and second mounting groove, and is two sets of the light source is installed respectively in first mounting groove and the second mounting groove.

3. The blackboard lamp with the illumination angle convenient to adjust as claimed in claim 2, wherein: two containing grooves are oppositely arranged at the opening of the shell of the lampshade, and the diffusion film and the grating are arranged in the two containing grooves.

4. A blackboard lamp with an adjustable illumination angle as claimed in claim 3, wherein: the lamp shade is characterized in that end covers are further arranged at two ends of the shell along the length direction and used for sealing the first mounting groove, the second mounting groove and the accommodating groove.

5. The blackboard lamp with the illumination angle convenient to adjust as claimed in claim 1, wherein: the light source comprises an aluminum substrate and a plurality of lamp beads arranged on the aluminum substrate, and the plurality of lamp beads are uniformly arranged on the main surface of the aluminum substrate along the length direction of the aluminum substrate.

6. The blackboard lamp with the illumination angle convenient to adjust as claimed in claim 1, wherein: the sliding groove comprises a strip-shaped body and hook parts which extend out of the upper end and the lower end of the body in opposite directions, and a clamping space used for clamping the connecting assembly is formed between the body and the hook parts.

7. The blackboard lamp with the illumination angle convenient to adjust as claimed in claim 1, wherein: the connecting assembly comprises a connecting seat, the connecting seat is installed in the sliding groove, a through hole is formed in the top of the connecting seat, the hanging rod penetrates through the through hole, a first fixing hole is formed in the side wall of the connecting seat, a second fixing hole is formed in the hanging rod, and a pin penetrates through the first fixing hole and the second fixing hole in sequence to fix the hanging rod on the connecting seat.

8. The blackboard lamp with the illumination angle convenient to adjust as claimed in claim 7, wherein: the through-hole at connecting seat top is oval, and is oval the both sides of through-hole still are equipped with the third fixed orifices, the connecting seat top is fixed with the scribing, be equipped with on the scribing with the hole of dodging that the jib shape matches, the both sides of dodging the hole are equipped with long waist hole, the scribing is fixed through long waist hole on the third fixed orifices of connecting seat.

9. The blackboard lamp with the illumination angle convenient to adjust as claimed in claim 8, wherein: the other end of the hanger rod is fixed on a hanging plate, the hanging plate is fixed on a ceiling, and a decorative cover is arranged outside the hanging plate.

10. A blackboard lamp with an adjustable illumination angle according to any one of claims 1 to 9, wherein: the included angle between the luminous surface and the horizontal direction is 40-50 degrees.

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