Light-emitting drawing board

1 . A light-emitting drawing board, comprising:

a drawing board body, a base, a light source assembly, and a limiting part, wherein:

a bottom of the drawing board body is provided with a connecting part provided with mounting holes; and

the base comprises a front cover plate provided with a second connecting post and a rear cover plate provided with a first connecting post, wherein the first connecting post has a central hole, an outer diameter of the second connecting post is not greater than a diameter of the central hole, and the front cover plate and the rear cover plate are spliced by inserting the second connecting post into the central hole and form an accommodation space between the front cover plate and the rear cover plate; and

the limiting part is positioned on one of the front cover plate or the rear cover plate;

wherein the mounting holes are sleeved between the first connecting post and the second connecting post, and when the front cover plate and the rear cover plate are spliced together, the drawing board body and the base are fixedly connected; and the limiting part and the bottom of the drawing board body define a mounting cavity, the light source assembly is positioned in the mounting cavity, and the light source assembly abuts against the limiting part and the bottom of the drawing board body respectively to restrict the movement of the light source assembly.

2 . The light-emitting drawing board according to claim 1 , wherein the connecting part comprises a first connecting part and a second connecting part arranged at intervals, and the mounting holes are respectively provided on the first connecting part and the second connecting part.

3 . The light-emitting drawing board according to claim 1 , wherein there are two mounting holes respectively sleeved on the first connecting post and the second connecting post.

4 . The light-emitting drawing board according to claim 1 , further comprising a fourth connecting post and a fifth connecting post provided on the front cover plate, and a third connecting post and a first limiting ring provided on the rear cover plate, wherein the fourth connecting post is inserted into the third connecting post, and the fifth connecting post is inserted into the first limiting ring.

5 . The light-emitting drawing board according to claim 1 , wherein the limiting part extends from the rear cover plate toward the first connecting post.

6 . The light-emitting drawing board according to claim 1 , wherein both ends of the light source assembly respectively abut against an end surface of the limiting part and a bottom planar surface of the drawing board body.

7 . The light-emitting drawing board according to claim 1 , further comprising a power supply assembly, the front cover plate is provided with a second placement groove, the rear cover plate is provided with a first placement groove, and the second placement groove and the first placement groove are spliced to form a closed groove body for accommodating the power supply assembly.

8 . The light-emitting drawing board according to claim 1 , further comprising a control board, the rear cover plate is provided with a plurality of limiting blocks, and the front cover plate is provided with a plurality of top posts; and the control board is positioned by being clamped by the limiting blocks, and the top posts abut against the control board when the cover plates are spliced.

9 . The light-emitting drawing board according to claim 8 , wherein the rear cover plate is provided with a first through hole, and the front cover plate is provided with a second through hole; and a charging port of the control board is located in a passage formed by the first through hole and the second through hole.

10 . The light-emitting drawing board according to claim 1 , wherein the first connecting post and the mounting hole are in a transition fit.

11 . The light-emitting drawing board according to claim 1 , wherein cross-sections of the first connecting post, the second connecting post, and the mounting hole are triangular, square, or other polygonal structures.

12 . A light-emitting drawing board, comprising:

a drawing board body, a base, a light source assembly, and a limiting part, wherein:

a bottom of the drawing board body is provided with a connecting part provided with mounting holes; and

the base comprises a front cover plate provided with a second connecting post and a rear cover plate provided with a first connecting post, wherein the first connecting post has a central hole, an outer diameter of the second connecting post is not greater than a diameter of the central hole, and the front cover plate and the rear cover plate are spliced by inserting the second connecting post into the central hole and form an accommodation space between the front cover plate and the rear cover plate; and

the limiting part is positioned on either the front cover plate or the rear cover plate, the front cover plate and the rear cover plate are respectively provided with a front bottom surface and a rear bottom surface, and the limiting part is arranged on the front bottom surface or the rear bottom surface and extends away from the bottom surfaces; and

a light-emitting direction of the light source assembly faces the drawing board body; and

wherein the mounting holes are sleeved between the first connecting post and the second connecting post, and when the front cover plate and the rear cover plate are spliced, the drawing board body and the base are fixedly connected; and the limiting part and the bottom of the drawing board body define a mounting cavity, the light source assembly is positioned in the mounting cavity and abuts against the limiting part and the bottom of the drawing board body respectively to restrict the movement of the light source assembly.

13 . The light-emitting drawing board according to claim 12 , wherein the connecting part comprises a first connecting part and a second connecting part, the mounting holes are respectively provided on the first connecting part and the second connecting part, and the first connecting post and the second connecting post are respectively fitted with the corresponding mounting holes.

14 . The light-emitting drawing board according to claim 12 , wherein the first connecting post and the mounting holes are in a transition fit to enhance the connection stability between the drawing board body and the base.

15 . The light-emitting drawing board according to claim 12 , wherein the front cover plate is further provided with a fourth connecting post, the rear cover plate is provided with a third connecting post, and the fourth connecting post is inserted into the third connecting post to assist in t splicing of the front cover plate and the rear cover plate.

16 . The light-emitting drawing board according to claim 12 , wherein the front cover plate is further provided with a fifth connecting post, the rear cover plate is provided with a first limiting ring, and the fifth connecting post is inserted into the first limiting ring to further assist in splicing of the front cover plate and the rear cover plate.

17 . The light-emitting drawing board according to claim 12 , further comprising a power supply assembly, the front cover plate is provided with a second placement groove, the rear cover plate is provided with a first placement groove, and the second placement groove and the first placement groove are fitted to form a groove body for accommodating the power supply assembly.

18 . The light-emitting drawing board according to claim 12 , further comprising a control board, the rear cover plate is provided with a plurality of limiting blocks, the control board is clamped onto the rear cover plate by the limiting blocks; and the front cover plate is provided with a plurality of top posts, and when the front cover plate and the rear cover plate are spliced, the top posts abut against the control board to further restrict the movement of the control board.

19 . The light-emitting drawing board according to claim 12 , wherein the control board is provided with a charging port, the front cover plate and the rear cover plate are respectively provided with corresponding first and second through holes, and an input end of the charging port is located between the first and second through holes; and the control board is provided with a switch assembly, the front cover plate is provided with a switch hole, and the switch assembly is located inside the switch hole.

20 . A light-emitting drawing board, comprising:

a drawing board body, a base, a light source assembly, and a limiting part, wherein

a bottom of the drawing board body is provided with a first connecting part and a second connecting part, and both the first connecting part and the second connecting part are provided with mounting holes; and

the base comprises a front cover plate provided with a second connecting post and a rear cover plate provided with a first connecting post, the first connecting post has a central hole, an outer diameter of the second connecting post is not greater than a diameter of the central hole, and the front cover plate and the rear cover plate are spliced by inserting the second connecting post into the central hole and form an accommodation space between the front cover plate and the rear cover plate; and wherein the drawing board further comprises a fourth connecting post and a fifth connecting post provided on the front cover plate, and a third connecting post and a first limiting ring provided on the rear cover plate; and the fourth connecting post is inserted into the third connecting post, and the fifth connecting post is inserted into the first limiting ring; and

the limiting part is positioned either the front cover plate or the rear cover plate, the front cover plate and the rear cover plate are respectively provided with a front bottom surface and a rear bottom surface, the limiting part is provided on the front bottom surface or the rear bottom surface, and the limiting part extends away from the bottom surface; and

a light-emitting direction of the light source assembly faces the drawing board body; and

wherein the mounting holes are sleeved between the first connecting post and the second connecting post, and when the front cover plate and the rear cover plate are spliced together, the drawing board body and the base are fixedly connected, and the limiting part and the bottom of the drawing board body define a mounting cavity, the light source assembly is positioned in the mounting cavity, and the light source assembly abuts against the limiting part and the bottom of the drawing board body to restrict the movement of the light source assembly.