CN217030957U

CN217030957U - Novel blackboard lamp

Info

Publication number: CN217030957U
Application number: CN202220604331.6U
Authority: CN
Inventors: 吕向忠
Original assignee: Guangdong Lesun Lighting Technology Co ltd
Current assignee: Guangdong Lesun Lighting Technology Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-07-22
Anticipated expiration: 2032-03-18

Abstract

The invention discloses a novel blackboard lamp, which comprises a shell, wherein a luminous body is fixedly arranged on the shell, a light channel is arranged on the shell, light rays emitted by the luminous body irradiate the space outside the shell through the light channel, a baffle is rotatably arranged on the shell and can reflect the light rays irradiated on the baffle to one side of a blackboard, a locking mechanism is arranged between the baffle and the shell, the locking mechanism can fix the baffle relative to the shell after the baffle is rotatably adjusted, the baffle is provided with a light blocking part extending downwards, at least one arc-shaped reflecting concave surface is arranged on the light blocking part and faces to one side of the blackboard, and the light rays of the luminous body can be intensively reflected onto the blackboard by the reflecting concave surface to increase the brightness of the blackboard and be beneficial to the watching of students.

Description

Novel blackboard lamp

[ technical field ] A

The invention relates to the technical field of lamps, in particular to a novel blackboard lamp.

[ background ] A method for producing a semiconductor device

Chinese utility model patent (publication No. CN 215489258U and attached fig. 1 to 5 show) discloses a blackboard lamp, included luminous body, casing, baffle, the luminous body is arranged in the casing, be equipped with the light passageway on the casing, the light accessible light passageway that the luminous body sent shines the space outside the casing, the baffle mounting is in on the casing, and can block the light of luminous body, thereby make the light that the luminous body sent can only shine to blackboard one side, the baffle with casing rotatable coupling, the one end top of baffle upwards extends and is formed with first spacing portion, and the top downwardly extending who should rotate the region is formed with the spacing portion of second that causes the blockking to first spacing portion, avoids the baffle follows drop on the casing, specifically has following defect: the baffle is a plane, and light reflected to the blackboard is scattered and not concentrated enough, so that the brightness of the blackboard is not enough, and the watching of students is influenced.

[ summary of the invention ]

In order to solve the problems, the invention provides a novel blackboard lamp which can collect and emit light to a blackboard to increase the brightness of the blackboard.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a novel blackboard lamp, including the casing, the fixed luminous body that is provided with on the casing, be equipped with the light passageway on the casing, the light that the luminous body sent shines the outer space of casing through the light passageway, it is provided with the baffle to rotate on the casing, the baffle can reflect the one side of blackboard with the light of shining on the baffle, be provided with locking mechanism between baffle and the casing, locking mechanism can rotate at the baffle and adjust the back will the baffle for the casing is fixed, the baffle has downwardly extending's the portion of being in the light, it has the reflection concave surface that is the arc form to have at least one in the portion of being in the light, the reflection concave surface is towards one side of blackboard.

As a preferred embodiment, further defined is: the baffle has with the pivot portion of the integrated into one piece of portion that is in the light, pivot portion with the casing rotates to be connected, be provided with the first stopper that upwards extends in the pivot portion, be provided with the second stopper of downwardly extending on the casing, first stopper is in the baffle rotates the in-process can with the second stopper is kept off mutually.

As a preferred embodiment, further defined is: the shell is provided with a bearing portion, the peripheral surface of the bearing portion is an arc-shaped convex surface, the peripheral surface of the rotating shaft portion is concave inwards and is provided with an arc-shaped concave surface, and the rotating shaft portion is attached to the convex surface of the bearing portion through the concave surface so that the baffle plate rotates relative to the shell.

As a preferred embodiment, further defined is: the light channel is provided with a light transmitting piece, and the end face of the light transmitting piece, which is close to the light emitting body, is a light expanding concave face.

As a preferred embodiment, further defined are: slots are formed in two sides of the light channel, inserting blocks matched with the slots are arranged on two sides of the light transmitting piece, and the light transmitting piece is inserted into the slots through the inserting blocks.

As a preferred embodiment, further defined is: the luminous body comprises a substrate and an LED lamp arranged on the substrate, a mounting groove communicated with the light ray channel is formed in the shell, and the substrate is inserted in the mounting groove.

As a preferred embodiment, further defined is: the locking mechanism comprises a knob, a plug is arranged at the end of the shell, a through hole is formed in the plug, the knob comprises a knob main body and a screw fixedly connected with the knob main body, a threaded hole is formed in the axial direction of the rotating shaft portion, a gap communicated with the threaded hole is formed in the peripheral surface of the threaded hole, and the screw penetrates through the through hole and is in threaded connection with the threaded hole of the rotating shaft portion.

As a preferred embodiment, further defined is: the through hole is waist-shaped, and the inner wall of one side of the through hole is high in the middle and low in two sides.

As a preferred embodiment, further defined are: when the baffle covers the opening of the light channel, the free end of the baffle is in contact with the step or the plane arranged at the bottom of the shell.

The beneficial effects of the invention are as follows: the utility model provides a novel blackboard lamp, including the casing, the fixed luminous body that is provided with on the casing, be equipped with the light passageway on the casing, the light that the luminous body sent shines the outer space of casing through the light passageway, it is provided with the baffle to rotate on the casing, the baffle can reflect the one side of blackboard with the light of shining on the baffle, be provided with locking mechanism between baffle and the casing, locking mechanism can rotate at the baffle and adjust the back will the baffle for the casing is fixed, the baffle has downwardly extending's the portion of being in the light, have at least one reflection concave surface that is the arc form in the portion of being in the light, reflection concave surface is towards one side of blackboard, and the reflection concave surface can concentrate the light of luminous body on the reflection blackboard to increase blackboard luminance, do benefit to student's viewing. The light blocking part is formed by mutually connecting a plurality of reflection concave surfaces, and light rays which are collected and emitted on the blackboard can be further more uniform while the brightness of the blackboard is increased.

[ description of the drawings ]

FIG. 1 is a structural diagram of the invention;

FIG. 2 is one of the sectional views created by the present invention;

FIG. 3 is a second cross-sectional view of the present invention;

FIG. 4 is one of the structural illustrations of the locking mechanism;

fig. 5 is a second structural view of the locking mechanism.

[ detailed description ] embodiments

The invention is described in further detail below with reference to the following figures and detailed description:

as shown in the attached drawings 1 to 5, a novel blackboard lamp comprises a shell 1, wherein a luminous body 2 is fixedly arranged on the shell 1, a light passage 11 is arranged on the shell 1, light emitted by the luminous body 2 irradiates the space outside the shell 1 through the light passage 11, a baffle 3 is arranged on the shell 1 in a rotating manner, the baffle 3 can reflect the light irradiating the baffle 3 to one side of a blackboard, a locking mechanism 4 is arranged between the baffle 3 and the shell 1, the locking mechanism 4 can fix the baffle 3 relative to the shell 1 after the baffle 3 is adjusted in a rotating manner, the baffle 3 is provided with a light blocking part 32 extending downwards, at least one arc-shaped reflection concave surface 31 is arranged on the light blocking part 32, the reflection concave surface 31 faces one side of the blackboard, and the reflection concave surface 31 can intensively reflect the light of the luminous body 2 to the blackboard, so as to increase the brightness of the blackboard and be beneficial to the watching of students. Preferably, the light blocking portion 32 is formed by a plurality of concave reflecting surfaces 31 which are connected with each other, so that the light rays collected and emitted on the blackboard can be more uniform while the brightness of the blackboard is increased.

Specifically, the baffle 3 have with the portion 32 integrated into one piece's that is in the light pivot portion 33, pivot portion 33 with casing 1 rotates to be connected, be provided with the first stopper 330 of upwards extension on the pivot portion 33, be provided with the second stopper 12 of downwardly extending on the casing 1, first stopper 330 is in baffle 3 rotates the in-process can with the second stopper 12 is kept out mutually, does benefit to restriction baffle 3 rotation at certain angular range, prevents that baffle 3 from rotating excessively to drop, and the baffle 3 is opened angular range and is 0-85. When the baffle 3 is at 0 degree, the free end of the baffle 3 is in contact with the step 13 or the plane arranged at the bottom of the shell 1 when the baffle 3 covers the opening of the light channel 11, the baffle 3 can completely shield the opening of the light channel 11, the baffle 3 is convenient to fold at the same time, and the baffle 3 is at the maximum opening angle when the baffle 3 is at 85 degrees.

Specifically, the housing 1 is provided with the bearing portion 15, the peripheral surface of the bearing portion 15 is a convex surface 151 having an arc shape, the peripheral surface of the rotating shaft portion 33 is recessed to form a concave surface 333 having an arc shape, and the rotating shaft portion 33 rotates the baffle 3 relative to the housing 1 by the concave surface 333 being in contact with the convex surface 151 of the bearing portion 15, which facilitates the baffle 3 to rotate smoothly relative to the housing 1.

Specifically, the light channel 11 is provided with a light transmitting member 5, and an end surface of the light transmitting member 5 close to the light emitter 2 is a concave light-expanding surface 51, which is beneficial to diffusing most light of the light emitter 2 to an external space, and then reflecting the light to the blackboard through the baffle 3, thereby further enhancing the brightness of the blackboard.

Specifically, slots 110 are formed in two sides of the light channel 11, insertion blocks 52 matched with the slots 110 are formed in two sides of the light-transmitting member 5, and the light-transmitting member 5 is inserted into the slots 110 through the insertion blocks 52, so that the light-transmitting member 5 can be installed quickly.

Specifically, the light-emitting body 2 includes a substrate 21 and an LED lamp 22 disposed on the substrate 21, a mounting groove 14 communicated with the light channel 11 is disposed on the housing 1, and the substrate 21 is inserted into the mounting groove 14, so that the light-emitting body 2 can be mounted quickly.

Specifically, the locking mechanism 4 includes a knob 41, an end cap 6 is disposed at an end of the housing 1, a through hole 61 is formed in the end cap 6, the knob 41 includes a knob body 411 and a screw 412 fixedly connected to the knob body 411, a threaded hole 331 is formed in the axial direction of the rotating shaft 33, a notch 332 communicated with the threaded hole 331 is formed in the circumferential surface of the threaded hole 331, and the screw 412 penetrates through the through hole 61 and is in threaded connection with the threaded hole 331 of the rotating shaft 33. The through hole 61 is waist-shaped, the inner wall of one side of the through hole 61 is high in the middle and low in two sides, the through hole 61 can allow the screw 412 to have enough space to move when the baffle 3 rotates, and in the specific locking process, the baffle 3 is manually pulled to a proper angle, and then the knob 41 is screwed to fix the baffle 3.

Claims

1. The utility model provides a novel blackboard lamp, including casing (1), fixed luminous body (2) that are provided with on casing (1), be equipped with light passageway (11) on casing (1), the light that luminous body (2) sent shines the outer space of casing (1) through light passageway (11), it is provided with baffle (3) to rotate on casing (1), baffle (3) can be with shining one side of the light reflection blackboard on baffle (3), its characterized in that: be provided with locking mechanism (4) between baffle (3) and casing (1), locking mechanism (4) can rotate at baffle (3) and adjust the back will baffle (3) for casing (1) is fixed, baffle (3) have downwardly extending's the portion of being in the light (32), it has reflection concave surface (31) that are the arc form to have at least one on the portion of being in the light (32), reflection concave surface (31) are towards one side of blackboard.

2. The novel blackboard lamp according to claim 1, characterized in that: the baffle (3) have with portion (32) integrated into one piece's pivot portion (33) that is in the light, pivot portion (33) with casing (1) rotates to be connected, be provided with first stopper (330) of upwards extending on pivot portion (33), be provided with second stopper (12) of downwardly extending on casing (1), first stopper (330) are in baffle (3) rotate the in-process can with second stopper (12) are kept out.

3. The novel blackboard lamp according to claim 2, characterized in that: the shell (1) is provided with a bearing part (15), the peripheral surface of the bearing part (15) is an arc-shaped convex surface (151), the peripheral surface of the rotating shaft part (33) is inwards concave and is provided with an arc-shaped concave surface (333), and the rotating shaft part (33) is attached to the convex surface (151) of the bearing part (15) through the concave surface (333) so that the baffle (3) rotates relative to the shell (1).

4. The novel blackboard lamp according to claim 2, characterized in that: the light channel (11) is provided with a light transmitting piece (5), and the end face, close to the light emitting body (2), of the light transmitting piece (5) is a light expanding concave face (51).

5. The novel blackboard lamp according to claim 4, characterized in that: the light transmission device is characterized in that slots (110) are formed in two sides of the light ray channel (11), inserting blocks (52) matched with the slots (110) are arranged on two sides of the light transmission piece (5), and the light transmission piece (5) is inserted into the slots (110) through the inserting blocks (52).

6. The novel blackboard lamp according to claim 5, characterized in that: luminous body (2) including base plate (21) and setting up LED lamp (22) on base plate (21), set up on casing (1) with communicating mounting groove (14) of light passageway (11), base plate (21) cartridge is in mounting groove (14).

7. The novel blackboard lamp according to any one of claims 2 to 6, characterized in that: locking mechanism (4) including knob (41), the tip of casing (1) is provided with end cap (6), through-hole (61) have been seted up on end cap (6), knob (41) including knob main part (411) and with knob main part (411) fixed connection's screw rod (412), the axial direction of pivot portion (33) is provided with screw hole (331), communicating breach (332) with it is seted up to the global of screw hole (331), screw rod (412) pass through-hole (61) with screw hole (331) threaded connection of pivot portion (33).

8. The novel blackboard lamp according to claim 7, characterized in that: the through hole (61) is waist-shaped, and the inner wall of one side of the through hole (61) is high in the middle and low in two sides.

9. The novel blackboard lamp of claim 7, characterized in that: when the baffle (3) covers the opening of the light channel (11), the free end of the baffle is in contact with a step (13) or a plane arranged at the bottom of the shell (1).