CN211450648U

CN211450648U - Blackboard lamp with conveniently-adjusted irradiation angle

Info

Publication number: CN211450648U
Application number: CN202020322873.5U
Authority: CN
Inventors: 赵艳君
Original assignee: Xiamen Jinfuxin Energy Saving Technology Co ltd Huining Branch
Current assignee: Xiamen Jinfuxin Energy Saving Technology Co ltd Huining Branch
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-09-08
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a blackboard lamp of illumination angle convenient to adjust relates to the indoor lighting technology field, 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 out and is provided with the spout in the upper surface in the outside, 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. The utility model discloses a fix on the coupling assembling of lamp shade top with the one end of jib is adjustable for can adjust the angle of illumination of this lamp shade after the construction at the blackboard lamp, in the in-service use, the angle that also can loosen bolt adjusting lamp shade makes the light of blackboard lamp concentrate on the blackboard, helps viewer's eyesight healthy.

Description

Blackboard lamp with conveniently-adjusted irradiation angle

Technical Field

The utility model relates to an indoor lighting technology field, in particular to blackboard lamp of illumination angle convenient to adjust.

Background

The blackboard is a hard board capable of being repeatedly written by chalk, and is generally applied to teaching and display activities for writing corresponding teaching or display contents. Because the blackboard itself can not give out light, consequently, when the light of blackboard environment was not good, need utilize the blackboard lamp to throw light on the blackboard to make the content of writing on the blackboard can be perceived by the human eye.

The blackboard lamp generally includes a lamp housing and a lamp tube in the lamp housing, and light emitted from the lamp tube is emitted from an opening portion of the lamp housing. However, the existing blackboard lamps are vertically downward and irradiated, and the existing lamp covers are fixed and cannot move, so that the irradiation angle cannot be adjusted after the blackboard lamps are constructed, and light cannot be concentrated on the blackboard; moreover, the light emitted from the blackboard lamp irradiates on the local blackboard surface, and the complete irradiation cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses its aim at provides a blackboard lamp of shining the angle and being convenient for adjust to solve above-mentioned problem. The technical scheme adopted for achieving the purpose is as follows:

the utility model provides an shine blackboard lamp of angle regulation of being convenient for, includes 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 shows out 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 adjustable of jib is fixed on the coupling assembling, the other end of jib is fixed on the ceiling.

Preferably, 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 is 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.

Preferably, two accommodating 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 accommodating grooves.

Preferably, end covers are further arranged at two ends of the housing of the lampshade along the length direction, and the end covers are used for sealing the first mounting groove, the second mounting groove and the accommodating groove.

Preferably, the light source includes 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.

Preferably, 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 for clamping the connecting assembly is formed between the body and the hook parts.

Preferably, coupling assembling includes the connecting seat, the connecting seat is installed in the spout, the top of connecting seat is equipped with the through-hole, the jib passes the through-hole, the lateral wall of connecting seat is equipped with first fixed orifices, be equipped with the second fixed orifices on the jib, the pin passes in proper order first fixed orifices and second fixed orifices will the jib is fixed on the connecting seat.

Preferably, 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.

Preferably, 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.

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

The utility model provides a pair of blackboard lamp of illumination angle regulation of being convenient for, its beneficial effect lies in: fix on the coupling assembling of lamp shade top through the one end with the jib is adjustable for can adjust the angle of illumination of this lamp shade after the blackboard lamp is under construction, in-service use, also can loosen the angle that the bolt adjusted the lamp shade and make the light of blackboard lamp concentrate on the blackboard, help viewer's eyesight healthy.

Drawings

FIG. 1 is a perspective view of a blackboard lamp with an adjustable illumination angle according to the present invention;

FIG. 2 is an exploded view of the blackboard lamp with an adjustable illumination angle;

FIG. 3 is a sectional view of a lamp shade of the blackboard lamp with an adjustable illumination angle;

fig. 4 is the utility model discloses the local schematic diagram of jib and coupling assembling in the blackboard lamp that the angle of illumination is convenient for adjust.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-2, this embodiment provides a blackboard lamp whose irradiation angle is convenient to adjust, which includes a lamp shade 1, a light source 2 and a power supply (not shown) are fixed in the lamp shade 1, the power supply is connected with the light source 2 through a wire, a diffusion film 3 and a grating 5 are fixed at an opening of the lamp shade 1 from inside to outside in sequence to form a light-emitting surface, and an included angle α between the light-emitting surface and a horizontal plane is 45 °. The upper surface that lamp shade 1 appears in the outside is provided with spout 11, and coupling assembling 5 card is held in spout 11, and the one end of jib 6 is adjustable to be fixed on coupling assembling 4, and the other end of jib 6 is fixed on link plate 7, and link plate 7 is fixed on the ceiling, and link plate 7 is equipped with outward and decorates lid 8.

As shown in fig. 3, the lamp shade 1 includes a housing 12, a fixing plate 13 is disposed in the housing 12, an accommodating cavity 14 is formed between an upper surface of the fixing plate 13 and the housing 11, a power supply is installed in the accommodating cavity 14 and fixed on the upper surface of the fixing plate 13 through a double-sided adhesive tape, a first installation groove 15 and a second installation groove 16 are disposed on a lower surface of the fixing plate 13, and two sets of light sources are respectively installed in the first installation groove 15 and the second installation groove 16. Two receiving grooves 17 are oppositely arranged at the opening of the shell 12 of the lampshade 1, and the diffusion film 3 and the grille 4 are arranged in the two receiving grooves 17. End covers 9 are further arranged at two ends of a shell 12 of the lampshade 1 along the length direction, 4 screw holes 18 are arranged in the shell 12, and the end covers 9 are fixed in the screw holes 18 through screws so that the end covers 9 seal a first mounting groove 15, a second mounting groove 16 and a containing groove 17. The sliding slot 11 includes a strip-shaped body 111 and hook portions 112 extending from the upper and lower ends of the body in opposite directions, and a holding space for holding the connecting assembly 4 is formed between the body 111 and the hook portions 112.

Two sets of light sources 2 of this embodiment all include aluminium base board and set up 120 lamp pearls on aluminium base board, and 120 lamp pearls evenly set up on the main surface of aluminium base board along the length direction of aluminium base board.

As shown in fig. 4, the connecting assembly 4 of the present embodiment includes a connecting seat 41, the connecting seat 41 is installed in the sliding groove 11, an oval through hole 42 is formed at the top of the connecting seat 41, the suspension rod 6 passes through the through hole 42, a first fixing hole 43 is formed on the side wall of the connecting seat 41, a second fixing hole 61 is formed on the suspension rod 6, and the pin 10 sequentially passes through the first fixing hole 43 and the second fixing hole 61 to fix the suspension rod 6 on the connecting seat 41. Oval-shaped through-hole 42's both sides still are equipped with third fixed orifices 47, connecting seat 41 top is fixed with scribing 44, be equipped with on the scribing 44 with the dodge hole 45 that the jib 6 shape matches, the both sides of dodging hole 45 are equipped with long waist hole 46, through the relative position of adjusting long waist hole 46 and third fixed orifices 47, can adjust the angle of the relative lamp shade 1 of jib 6, adjust the position back of the relative blackboard of required lamp shade 1 light emitting area, fix scribing 44 on connecting seat 41 through the bolt, can fix the position of the relative lamp shade 1 of jib 6.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

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.