Blackboard lamp

Abstract

The utility model discloses a blackboard lamp which comprises a sectional material frame, a lamp cavity with a hole in one side is formed in the sectional material frame, and an LED lamp panel and a light-transmitting plate are arranged in the lamp cavity respectively, and the blackboard lamp is characterized in that a plurality of first supporting pieces and a plurality of second supporting pieces are rotationally arranged on the two sides of the bottom of the lamp cavity respectively; the first supporting pieces and the second supporting pieces are the same in structure and size and are oppositely arranged, and the adjacent distance between the multiple first supporting pieces is equal to the adjacent distance between the multiple second supporting pieces. Wherein one side of each first supporting piece is provided with a first installation groove and a clamping groove in an inward concave mode, the other side of each first supporting piece is provided with a protruding portion in an outward convex mode, the adjacent first supporting pieces can be connected in a matched mode through the protruding portions and the clamping grooves, and a positioning area capable of positioning and containing an LED lamp panel is formed in the first installation groove between the opposite first supporting piece and the second supporting piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to a blackboard lamp especially. BACKGROUND

[0002] The blackboard lamp is a kind of lamp for providing illumination for blackboard in teaching environment, and linear lamp is mostly used in the blackboard lamp, and the profile lamp shell used in the existing linear lamp can only satisfy the positioning installation of one specification LED light bar width, cannot be suitable for the positioning installation of LED light of different widths, and satisfies use demand. UTILITY MODEL CONTENTS

[0003] In view of the defects in the prior art, the technical problem to be solved by the utility model is to provide a blackboard lamp.

[0004] A kind of blackboard lamp, including profile frame, the profile frame is equipped with the lamp cavity with one side hole, the lamp cavity is equipped with LED lamp plate and light transmission plate respectively, the bottom of the lamp cavity is respectively rotationally provided with a plurality of first support and a plurality of second support, the first support and the second support are identical in size and oppositely arranged, and the adjacent interval between a plurality of first supports and the adjacent interval between a plurality of second supports are equal;

[0005] Wherein, the first support side is respectively concave with first installation groove and clamping groove, the other side of the first support is convex with convex part, the adjacent first support can be connected by convex part and clamping groove, and the first installation groove between the opposite first support and second support forms the positioning area that can position the LED lamp plate.

[0006] In an embodiment, the convex part is kept closely connected in the clamping groove by interference fit or magnet magnetic attraction.

[0007] In an embodiment, the bottom of the lamp cavity is uniformly distributed with a plurality of first grooves and a plurality of second grooves along the same axis, the first groove and the second groove are respectively provided with first arc convex part and second arc convex part, and the first arc convex part and the second arc convex part are oppositely arranged, the first arc convex part and the first groove and the second arc convex part and the second groove are respectively formed with one side opening limiting cavity, the lower end of the first support is provided with arc hook part with the same circular arrangement as the first arc convex part or the second arc convex part, the arc hook part is movably arranged in the limiting cavity and hung on the first arc convex part or the second arc convex part, and the first support is swung relative to the profile frame by the arc hook part.

[0008] In one embodiment, an LED lamp plate is placed in the first mounting groove between the first support and the second support, and a containing cavity is formed between the LED lamp plate and the bottom of the lamp cavity, and the first support and the second support are rotatably accommodated in the containing cavity.

[0009] In one embodiment, the height of the first mounting groove is greater than the thickness of the LED lamp plate, so that a moving gap is left between the first mounting groove and the LED lamp plate for the first support or the second support to rotate away from the LED lamp plate.

[0010] In one embodiment, the profile frame is in the shape of a "U" or a "H", and the lamp cavity is formed in the inner side thereof.

[0011] In one embodiment, screw holes are arranged at both ends of the profile frame, and plugs are connected to the both ends of the profile frame through screws.

[0012] In one embodiment, second mounting grooves are symmetrically recessed on both sides of the lamp cavity for positioning and placing a light-transmitting plate.

[0013] In summary, the present application has the following advantages over the prior art:

[0014] The first support and the second support are one-to-one corresponding and relatively combined to form positioning areas of different widths, so that the positioning and installation of LED lamp strips of different widths can be adapted, and when the LED lamp strip needs to be disassembled, the LED lamp strip can be conveniently disassembled and replaced through the relative rotation of the first support and the second support. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 FIG. 1 is a cross-sectional structure schematic diagram of a blackboard lamp according to one embodiment of the present application;

[0016] Figure 2 FIG. 2 is an enlarged schematic diagram of A in FIG. 1 according to one embodiment of the present application; Figure 1

[0017] Figure 3 FIG. 3 is a perspective view of a blackboard lamp according to one embodiment of the present application. DETAILED DESCRIPTION

[0018] The present application will be further described in conjunction with the description of the accompanying drawings and specific embodiments:

[0019] As Figures 1 to 3 ​As shown, the embodiment of the blackboard lamp preferably provides a blackboard lamp, which comprises a profile frame 1, the profile frame 1 is internally provided with a lamp cavity 2 with a side opening, the lamp cavity 2 is respectively provided with an LED lamp plate 21 and a light-transmitting plate 99, the bottom of the lamp cavity 2 is respectively rotationally provided with a plurality of first supporting pieces 3 and a plurality of second supporting pieces 4, the first supporting pieces 3 and the second supporting pieces 4 are the same in structure and size and oppositely arranged, and the adjacent intervals of the plurality of first supporting pieces 3 and the plurality of second supporting pieces 4 are equal; wherein, one side of the first supporting piece 3 is respectively internally recessed with a first mounting groove 5 and a clamping groove 6, the other side of the first supporting piece 3 is externally protruded with a protruding part 7, the adjacent first supporting pieces 3 can be connected through the cooperation of the protruding part 7 and the clamping groove 6, and the first mounting groove 5 between the opposite first supporting piece 3 and the second supporting piece 4 is formed with a positioning area capable of positioning and placing the LED lamp plate 21.

[0020] Specifically, the positioning areas of different widths are formed by the one-to-one corresponding opposite combination of any first supporting piece and any second supporting piece, thereby being capable of adapting to the positioning and installation of LED lamp strips of different widths.

[0021] That is, the plurality of first supporting pieces at least have a first supporting piece A and a first supporting piece B, the first supporting piece A is internally recessed with a mounting groove A, and the first supporting piece B is internally recessed with a mounting groove B.

[0022] And because the second supporting piece and the first supporting piece are the same in structure and size, the plurality of second supporting pieces at least have a second supporting piece A and a second supporting piece B, the second supporting piece A is internally recessed with a mounting groove C, and the second supporting piece B is internally recessed with a mounting groove D, thereby being capable of being combined to form positioning areas of different widths through the mounting groove A and the mounting groove C or the mounting groove A and the mounting groove D or the mounting groove B and the mounting groove C or the mounting groove B and the mounting groove D, so as to meet the installation requirements of LED lamp plates of different widths; and when the first supporting piece A serves as a connecting piece connected with the LED lamp plate, the protruding part of the first supporting piece A can be inserted and matched with the clamping groove of the first supporting piece B, so that the first supporting piece B abuts and supports the first supporting piece A, and by analogy, the second supporting piece B can also abut and support the second supporting piece A, so that when the LED lamp strip needs to be disassembled, the first supporting piece B or the second supporting piece B can be disassembled, so that the first supporting piece A or the second supporting piece A is relatively rotated to facilitate the disassembly and replacement of the LED lamp strip.

[0023] Further, the protruding part 7 is tightly clamped in the clamping groove 6 through interference fit or magnetic attraction.

[0024] Further, the bottom of the lamp cavity 2 is spaced along the same axis with a plurality of first grooves 8 and a plurality of second grooves 9, the first grooves 8 and the second grooves 9 are respectively provided with first arc-shaped protruding parts 10 and second arc-shaped protruding parts 11, and the first arc-shaped protruding parts 10 and the second arc-shaped protruding parts 11 are arranged in opposite directions, the first arc-shaped protruding parts 10 and the first grooves 8 and the second arc-shaped protruding parts 11 and the second grooves 9 are respectively formed with one-side opening limiting cavities, the lower end of the first supporting part 3 is provided with an arc-shaped hook part 12 arranged in a circle with the first arc-shaped protruding part 10 or the second arc-shaped protruding part 11, the arc-shaped hook part 12 is movably arranged in the limiting cavity and hung on the first arc-shaped protruding part 10 or the second arc-shaped protruding part 11, and the first supporting part 3 swings relative to the profile frame 1 through the arc-shaped hook part 12.

[0025] Similarly, the second supporting part has the same structure as the first supporting part and also has an arc-shaped hook part, and the second supporting part swings relative to the profile frame through the arc-shaped hook part.

[0026] Further, the LED lamp plate 21 is arranged in the first mounting groove 5 between the first supporting part 3 and the second supporting part 4, a containing cavity is formed between the LED lamp plate 21 and the bottom of the lamp cavity 2, and the first supporting part 3 and the second supporting part 4 are rotatably arranged in the containing cavity.

[0027] Further, the height of the first mounting groove 5 is greater than the thickness of the LED lamp plate 21, so that the first mounting groove 5 and the LED lamp plate leave a movement gap for the first supporting part 3 or the second supporting part 4 to rotate away from the LED lamp plate 21.

[0028] Further, the profile frame 1 has a "U" shape or a "H" shape in cross section, and the lamp cavity 2 is formed in the inner side of the profile frame 1.

[0029] Further, the profile frame 1 is provided with screw holes 22 at both ends, and the profile frame 1 is connected with plugs 23 at both ends through screws.

[0030] Further, the lamp cavity 2 is symmetrically recessed on both sides and has a second mounting groove 24 for positioning and arranging a light-transmitting plate 99.

[0031] The basic principle and main features of the present application and the advantages of the present application are shown and described above, and those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A blackboard lamp, comprising a profile frame (1) with a lamp cavity (2) with a side opening in the profile frame (1), and an LED lamp plate (21) and a light-transmitting plate (99) respectively arranged in the lamp cavity (2), characterized in that: The bottom of the lamp cavity (2) is rotatably provided with a plurality of first supporting members (3) and a plurality of second supporting members (4) on both sides, respectively, the first supporting members (3) and the second supporting members (4) are the same in size and are oppositely arranged, and the adjacent spacing between the plurality of first supporting members (3) and the adjacent spacing between the plurality of second supporting members (4) are equal; Wherein, the first supporting member (3) is concave on one side with a first mounting groove (5) and a clamping groove (6), respectively, the other side of the first supporting member (3) is convex with a convex part (7), the adjacent first supporting members (3) can be connected through the convex part (7) and the clamping groove (6), and the first mounting groove (5) between the opposite first supporting member (3) and the second supporting member (4) forms a positioning area capable of positioning and placing the LED lamp plate (21).

2. A blackboard light according to claim 1, characterized in that: The convex part (7) is tightly clamped in the clamping groove (6) by interference fit or magnetic attraction.

3. A blackboard light according to claim 1, characterized in that: The bottom of the lamp cavity (2) is uniformly distributed with a plurality of first grooves (8) and a plurality of second grooves (9) along the same axis, the first grooves (8) are provided with first arc-shaped convex parts (10), the second grooves (9) are provided with second arc-shaped convex parts (11), the first arc-shaped convex parts (10) and the second arc-shaped convex parts (11) are oppositely arranged, and the first arc-shaped convex parts (10) and the first grooves (8) and the second arc-shaped convex parts (11) and the second grooves (9) form a one-side-opened limiting cavity, respectively, the lower end of the first supporting member (3) has an arc-shaped hook part (12) arranged in a circle with the first arc-shaped convex part (10) or the second arc-shaped convex part (11), the arc-shaped hook part (12) is movably arranged in the limiting cavity and hung on the first arc-shaped convex part (10) or the second arc-shaped convex part (11), and the first supporting member (3) swings relative to the profile frame (1) through the arc-shaped hook part (12).

4. A blackboard light according to claim 1, characterized in that: The LED lamp plate (21) and the bottom of the lamp cavity (2) form an accommodating cavity, and the first supporting member (3) and the second supporting member (4) can be rotatably accommodated in the accommodating cavity.

5. A blackboard light according to claim 4, characterized in that: The height of the first mounting groove (5) is greater than the thickness of the LED lamp plate (21), so that the first mounting groove (5) and the LED lamp plate leave a movement gap for the first supporting member (3) or the second supporting member (4) to rotate away from the LED lamp plate (21).

6. A blackboard light according to claim 1, characterized in that: The cross section of the profile frame (1) is in the shape of "U" or "H", and the lamp cavity (2) is formed in the inner side thereof.

7. A blackboard light according to claim 1, wherein: The profile frame (1) is provided with screw holes (22) at both ends, respectively, and the profile frame (1) is connected with plugs (23) at both ends through screws, respectively.

8. A blackboard light according to claim 1, wherein: The lamp cavity (2) is symmetrically concave on both sides with a second mounting groove (24) capable of positioning and placing a light-transmitting plate (99).

Images