CN218333056U

CN218333056U - Lamp box

Info

Publication number: CN218333056U
Application number: CN202222009107.5U
Authority: CN
Inventors: 陈建伟
Original assignee: Kunshan Laize Photoelectric Technology Co ltd
Current assignee: Kunshan Laize Photoelectric Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-01-17
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a lamp box, including mounting panel and the frame of setting on the mounting panel, still include bolt, light source, light-emitting component and face lid, the frame outside is provided with the circular arc post, face lid one end is provided with rotates the circular arc groove of being connected with the circular arc post, be provided with step portion and No. two step portions on the frame, the light-emitting component sets up on step portion, is provided with a plurality of counter bores on the mounting panel, be provided with a plurality of screws on No. two step portions, the bolt passes counter bore and screw threaded connection, just No. two step portions are stretched out to the bolt, the light source sets up on the mounting panel or threaded connection is on stretching out the bolt of No. two step portions, the face lid other end offsets with the light-emitting component up end, still including being used for compressing tightly face lid and both ends respectively with the shell fragment that face lid and frame offset. The advantages are that: the free switching of the lighting effect or the advertising effect of the light box is realized. The light source can be selectively connected through threads, so that the production and assembly are facilitated, and the working efficiency is improved.

Description

Lamp box

Technical Field

The utility model relates to a lamp house technical field specifically is a lamp house.

Background

In the existing lamp box, the drawing board and the diffusion plate are arranged in a set, so that the lamp box only can serve as an advertisement, and resource waste is caused.

In view of the above, it is desirable to provide a light box.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of lamp house, the effectual problem of current lamp house can not be multi-purpose of having solved.

The utility model adopts the technical proposal that:

the utility model provides a lamp box, includes the mounting panel and sets up the frame on the mounting panel, the frame includes four section bars that set up respectively at the mounting panel four sides, still includes bolt, light source, light-emitting component and four both ends and is the face lid of the shape of bending, the frame outside is provided with the circular arc post, face lid one end is provided with rotates the circular arc groove of being connected with the circular arc post, be provided with step portion and No. two step portions on the frame, the lower extreme face side portion of light-emitting component sets up on step portion, be provided with a plurality of counter bores on the mounting panel, be provided with a plurality of screws on No. two step portions, the bolt passes counter bore and screw threaded connection, just No. two step portions are stretched out to the bolt, the light source sets up on the mounting panel or threaded connection is on stretching out the bolt of No. two step portions, the face lid other end offsets with the light-emitting component up end, still including being used for compressing tightly face lid and the shell fragment that both ends offset with face lid and frame respectively.

Further, the method comprises the following steps: the light-emitting subassembly is the diffuser plate, the lower terminal surface setting of diffuser plate is on step portion No. one, the up end of diffuser plate offsets with the other end of face lid.

Further, the method comprises the following steps: the light-emitting subassembly is the diffuser plate and sets up the drawing board at the diffuser plate up end, the lower terminal surface setting of diffuser plate is on step portion No. one, the up end of drawing board offsets with the other end of face lid.

Further, the method comprises the following steps: the shell fragment is V type shell fragment, the face lid includes a board and sets up No. two boards and No. three boards in a board both sides perpendicularly respectively, a board, no. two boards and No. three boards form the recess, the circular arc groove sets up the one side at No. two relative No. three boards of board, no. three boards can offset with the light-emitting component, no. three relative No. two board one side of board is provided with the groove of a notch slant, frame upper end is provided with the groove of No. two of notch slant on one side of the relative No. three boards, the shell fragment sets up in the recess, the shell fragment both ends are supported with a groove and No. two grooves respectively, when the face lid offsets with the light-emitting component, no. one the groove is kept away from a board for No. two grooves relatively.

Further, the method comprises the following steps: the light source is a light guide plate backlight source, a plurality of threaded holes are formed in the light guide plate backlight source, and the threaded holes are in threaded connection with second step portions extending out of the bolts.

Further, the method comprises the following steps: the light source is a full-spread light source, and a plurality of mounting holes for mounting the full-spread light source are formed in the mounting plate.

Utility model's beneficial effect: through setting up the compressing tightly of rotatable and accessible shell fragment realization face lid, realize freely changing the light-emitting component to the lamp house of being convenient for realizes freely switching of illumination or advertisement effect. Meanwhile, the light source can be selectively connected through threads, so that the production and assembly are facilitated, and the working efficiency is improved. The rotation angle of the face cover can be increased by arranging the elastic sheet.

Drawings

Fig. 1 is an overall schematic view of a light box provided in an embodiment of the present application.

Fig. 2 is a schematic view of the face cover and bezel of fig. 1 with one side removed.

Fig. 3 is an enlarged schematic view of the area a in fig. 2.

Fig. 4 is an enlarged schematic view of the region B in fig. 3.

Fig. 5 is an exploded view of a light box when the light emitting element provided in the embodiment of the present application is a drawing board and a diffusion plate, and the light source is a full-spread light source.

Fig. 6 is an exploded view of the light box when the light emitting element is a diffusion plate and the light source is a full-spread light source according to the embodiment of the present disclosure.

Fig. 7 is an exploded view of the light box when the light emitting element is a drawing board and a diffusion plate and the light source is a light guide plate backlight source provided in the embodiment of the present application.

Fig. 8 is an exploded view of the light box when the light emitting element is a diffusion plate and the light source is a light guide plate backlight source according to the embodiment of the present application.

Labeled in the figure as: 1. mounting a plate; 2. a frame; 3. a bolt; 4. a face cover; 21. a circular arc column; 41. an arc groove; 42. a first step portion; 43. a second step part; 5. a spring plate; 6. a diffusion plate; 7. a drawing board; 401. a first board; 402. a second plate; 403. a third plate; 404. a first groove; 201. a second groove; 8. fully paving the light source; 9. the light guide plate backlight source.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the light box provided by the embodiment of the application includes mounting panel 1 and frame 2 arranged on mounting panel 1, frame 2 includes four section bars respectively arranged on four sides of mounting panel 1, and further includes bolt 3, light source, light-emitting component and four surface covers 4 of which two ends are in a bent shape, frame 2 outside is provided with arc column 21, surface cover 4 one end is provided with arc groove 41 connected with arc column 21 in a rotating manner, frame 2 is provided with a step portion 42 and a step portion 43, lower surface side portion of light-emitting component is arranged on step portion 42, mounting panel 1 is provided with a plurality of countersunk holes, step portion 43 is provided with a plurality of screw holes, bolt 3 passes countersunk hole and screw hole threaded connection, and bolt 3 stretches out step portion 43, the light source is arranged on mounting panel 1 or threaded connection is on bolt 3 stretching out step portion 43, the other end of surface cover 4 and light-emitting component are abutted, and still include elastic sheet 5 used for compressing tightly surface cover 4 and two ends respectively abutted surface cover 5.

When the LED lamp is actually used, the light source emits light beams, and the light beams are emitted through the light emitting component to form lighting or advertising effects. When the light-emitting component needs to be replaced, the rotating surface cover 4 and the elastic sheet 5 deform, so that the surface cover 4 is separated from the contact with the light-emitting component, then the light-emitting component is taken out, a new light-emitting component is installed again, and the rotating surface cover 4 offsets the surface cover 4 from the light-emitting component. When the light source needs to be selected, the light source can be mounted on the mounting plate 1 or on the bolts 3 according to the kind of the light source.

In the above design, the pressing of the surface cover 4 is realized through the arrangement of the rotatable elastic sheet 5, the free replacement of the light emitting assembly is realized, and therefore the free switching of the lighting or advertising effect of the light box is realized. Meanwhile, the light source can be selectively connected through threads, so that the production and assembly are facilitated, and the working efficiency is improved. The rotation angle of the face cover 4 can be increased by providing the elastic piece 5.

Specifically, the method comprises the following steps: as shown in fig. 5 and 8, the light emitting element is a diffusion plate 6, a lower end surface of the diffusion plate 6 is disposed on the first step portion 42, and an upper end surface of the diffusion plate 6 abuts against the other end of the surface cover 4.

When the LED lamp is actually used, light beams emitted by the light source are emitted through the diffusion plate 6, and the lighting effect is achieved.

In the above design, the light emitting unit is a diffusion plate 6, and after the diffusion plate 6 is fixed by the surface cover 4, the light emitted from the light source is stably emitted through the diffusion plate 6, thereby forming the lighting effect.

Specifically, the method comprises the following steps: as shown in fig. 6 and 7, the light emitting elements include a diffusion plate 6 and a drawing board 7 disposed on an upper end surface of the diffusion plate 6, a lower end surface of the diffusion plate 6 is disposed on the first step portion 42, and an upper end surface of the drawing board 7 abuts against the other end of the face cover 4.

During the in-service use, set up diffuser plate 6 and drawing board 7 with the light-emitting subassembly, the light source sends the light beam and passes through drawing board 7 projections behind diffuser plate 6 for the pattern on the drawing board 7 is clear visible.

In the above design, the light box can realize the advertising effect through the pattern projection of the drawing board 7.

Specifically, the method comprises the following steps: as shown in fig. 3 and 4, the elastic sheet 5 is a V-shaped elastic sheet 5, the face cover 4 includes a first plate 401, a second plate 402 and a third plate 403 which are respectively vertically disposed on two sides of the first plate 401, the second plate 402 and the third plate 403 form a groove, the arc groove 41 is disposed on one side of the second plate 402 relative to the third plate 403, the third plate 403 can abut against the light emitting component, a first groove 404 with an oblique notch is disposed on one side of the third plate 403 relative to the third plate 403, a second groove 201 with an oblique notch is disposed on one side of the third plate 403 relative to the upper end of the frame 2, the elastic sheet 5 is disposed in the groove, two ends of the elastic sheet 5 abut against the first groove 404 and the second groove 201 respectively, and when the face cover 4 abuts against the light emitting component, the first groove 404 is far away from the first plate 401 relative to the second groove 201.

In practical use, when the light guide assembly needs to be replaced, the surface cover 4 is rotated, so that the surface cover 4 rotates around the arc column 21, the linear distance between the first groove 404 and the second groove 201 changes in the rotating process, and the elastic sheet 5 deforms along with the change, so that the elastic sheet 5 has supporting force for the surface cover 4 when the surface cover 4 rotates relative to the frame 2; after the light guide assembly is replaced, the face cover 4 is rotated around the rotary column again, so that the face cover 4 is abutted to the upper end face of the light guide assembly.

In the above design, through setting up shell fragment 5 into V type shell fragment 5, can make shell fragment 5 better produce deformation in the recess, can guarantee through shell fragment 5 that face lid 4 is comparatively stable when rotatory.

Specifically, the method comprises the following steps: as shown in fig. 6 and 5, the light source is a light guide plate backlight 9, and a plurality of threaded holes are formed in the light guide plate backlight 9, and the threaded holes are in threaded connection with a second step portion 43 extending from the bolt 3.

During practical use, the light guide plate backlight source 9 is in threaded connection with the bolt 3 through the threaded hole, light beams are emitted through the light guide plate backlight source 9, and the light beams are emitted into the light emitting assembly.

In the above-mentioned design, through set up the screw hole on light guide plate backlight 9, through screw hole and 3 threaded connection of bolt, compare with carry out modes such as joint with light guide plate backlight 9 and frame 2, more simple and convenient, swift, more be suitable for automatic equipment. Meanwhile, the backlight source has low power and is suitable for saving energy.

Specifically, the method comprises the following steps: as shown in fig. 8 and 7, the light source is a full-spread light source 8, and the mounting plate 1 is provided with a plurality of mounting holes for mounting the full-spread light source 8.

In actual use, the full-spread light source 8 is mounted on the mounting plate 1 through the mounting hole, and light beams of the full-spread light source 8 are absorbed into the light emitting assembly.

In the above design, the full-spread light source 8 is arranged, and the full-spread light source 8 provides strong illumination, so that the lighting effect is good.

The following are several examples of the present application:

the first embodiment is as follows: as shown in fig. 8, a lamp house, including mounting panel 1 and the frame 2 of setting on mounting panel 1, frame 2 includes four section bars that set up respectively at 1 four sides of mounting panel, still includes bolt 3, light source, light-emitting component and four face lid 4 of bending the shape, the 2 outside of frame is provided with circular arc post 21, 4 one end of face lid is provided with circular arc groove 41 with circular arc post 21 articulated, be provided with step portion 42 and No. two step portion 43 on the frame 2, the lower extreme face side portion of light-emitting component sets up on step portion 42, be provided with a plurality of counter sink holes on mounting panel 1, be provided with a plurality of screws on No. two step portion 43, bolt 3 passes counter sink hole and screw threaded connection, just bolt 3 stretches out No. two step portion 43, the light source sets up on mounting panel 1 or threaded connection on bolt 3 that stretches out No. two step portion 43, the face lid 4 other end can overturn to offset with the light-emitting component up end, still including being used for compressing tightly face lid 4 and the shell fragment 5 that both ends offset with face lid 4 and frame 2 respectively. The light emitting component is a diffusion plate 6, the lower end face of the diffusion plate 6 is arranged on the first step part 42, and the upper end face of the diffusion plate 6 is abutted against the other end of the face cover 4. The shell fragment 5 is V type shell fragment 5, face lid 4 includes a board 401 and sets up two number boards 402 and three number boards 403 in a board 401 one side perpendicularly, a board 401, two number boards 402 and three number boards 403 form the recess, circular arc groove 41 sets up the one side at the relative three number boards 403 of No. two boards 402, no. three boards 403 can offset with the light-emitting component, the relative two number boards 402 one side of No. three board 403 is provided with a groove 404 of notch slant, the relative three number boards 403 one side in frame 2 upper end is provided with No. two grooves 201 of notch slant, shell fragment 5 sets up in the recess, 5 both ends of shell fragment offset with a groove 404 and No. two grooves 201 respectively, no. one groove 404 keeps away from a board 401 for No. two grooves 201 when face lid 4 offsets with the light-emitting component. The light source is a light guide plate backlight source 9, a plurality of threaded holes are formed in the light guide plate backlight source 9, and the threaded holes are in threaded connection with second step portions 43 extending out of the bolts 3.

When the backlight module is used, the light guide plate backlight source 9 is in threaded connection with the bolt 3 through the threaded hole, light beams are emitted through the light guide plate backlight source 9, and the light beams are emitted into the diffusion plate 6. When the diffusion plate 6 needs to be replaced, the surface cover 4 is rotated, so that the surface cover 4 rotates around the arc column 21, the linear distance between the first groove 404 and the second groove 201 changes during the rotation process, and the elastic sheet 5 deforms along with the change, so that the elastic sheet 5 has the supporting force for the surface cover 4 when the surface cover 4 rotates relative to the frame 2; after the light guide assembly is replaced, the face cover 4 is rotated around the rotary column again, so that the face cover 4 is abutted to the upper end face of the light guide assembly. The lamp box realizes the illumination effect under the effect of ensuring energy conservation.

Example two: as shown in fig. 6, a lamp house, including mounting panel 1 and the frame 2 of setting on mounting panel 1, frame 2 includes four section bars that set up respectively in 1 four sides of mounting panel, still includes bolt 3, light source, light-emitting component and four face lid 4 of bending the shape, the 2 outsides of frame are provided with circular arc post 21, 4 one end of face lid is provided with the circular arc groove 41 with circular arc post 21 articulated, be provided with step portion 42 and No. two step portion 43 on the frame 2, the lower extreme face side portion of light-emitting component sets up on step portion 42, be provided with a plurality of counter bores on the mounting panel 1, be provided with a plurality of screws on No. two step portion 43, bolt 3 passes counter bore and screw threaded connection, just bolt 3 stretches out No. two step portion 43, the light source sets up on mounting panel 1 or threaded connection on the bolt 3 that stretches out No. two step portion 43, the face lid 4 other end can overturn to offset with the light-emitting component up end, still including being used for compressing tightly face lid 4 and 5 shell fragment that the both ends offset with face lid 4 and frame 2 counterbalance respectively. The light-emitting component is a diffusion plate 6, the lower end face of the diffusion plate 6 is arranged on the first step portion 42, and the upper end face of the diffusion plate 6 is abutted to the other end of the face cover 4. The shell fragment 5 is V type shell fragment 5, face lid 4 includes a board 401 and sets up two number boards 402 and three number boards 403 in a board 401 one side perpendicularly, a board 401, two number boards 402 and three number boards 403 form the recess, circular arc groove 41 sets up the one side at the relative three number boards 403 of No. two boards 402, no. three boards 403 can offset with the light-emitting component, the relative two number boards 402 one side of No. three board 403 is provided with a groove 404 of notch slant, the relative three number boards 403 one side in frame 2 upper end is provided with No. two grooves 201 of notch slant, shell fragment 5 sets up in the recess, 5 both ends of shell fragment offset with a groove 404 and No. two grooves 201 respectively, no. one groove 404 keeps away from a board 401 for No. two grooves 201 when face lid 4 offsets with the light-emitting component. The light source is a full-spread light source 8, and a plurality of mounting holes for mounting the full-spread light source 8 are formed in the mounting plate 1.

The backlight source 9 of the light guide plate is in threaded connection with the bolts 3 through threaded holes, light beams are emitted through the full-spread light source 8, and the light beams are emitted into the diffusion plate 6. When the diffusion plate 6 needs to be replaced, the surface cover 4 is rotated, so that the surface cover 4 rotates around the arc column 21, the linear distance between the first groove 404 and the second groove 201 changes in the rotating process, and the elastic sheet 5 deforms along with the change, so that the elastic sheet 5 has supporting force for the surface cover 4 when the surface cover 4 rotates relative to the frame 2; when the light guide assembly is replaced, the surface cover 4 is rotated around the rotary column again, so that the surface cover 4 is abutted to the upper end face of the light guide assembly. The full spread light source 8 has high power and can ensure good lighting effect.

Example three: as shown in fig. 7, a lamp house, including mounting panel 1 and the frame 2 of setting on mounting panel 1, frame 2 includes four section bars that set up respectively in 1 four sides of mounting panel, still includes bolt 3, light source, light-emitting component and four face lid 4 of bending the shape, the 2 outsides of frame are provided with circular arc post 21, 4 one end of face lid is provided with the circular arc groove 41 with circular arc post 21 articulated, be provided with step portion 42 and No. two step portion 43 on the frame 2, the lower extreme face side portion of light-emitting component sets up on step portion 42, be provided with a plurality of counter bores on the mounting panel 1, be provided with a plurality of screws on No. two step portion 43, bolt 3 passes counter bore and screw threaded connection, just bolt 3 stretches out No. two step portion 43, the light source sets up on mounting panel 1 or threaded connection on the bolt 3 that stretches out No. two step portion 43, the face lid 4 other end can overturn to offset with the light-emitting component up end, still including being used for compressing tightly face lid 4 and 5 shell fragment that the both ends offset with face lid 4 and frame 2 counterbalance respectively. The light-emitting component is diffuser plate 6 and drawing board 7 of setting at diffuser plate 6 up end, diffuser plate 6's lower terminal surface sets up on step portion 42 No. one, drawing board 7's up end offsets with the other end of face lid 4. The elastic sheet 5 is a V-shaped elastic sheet 5, the surface cover 4 comprises a first plate 401, a second plate 402 and a third plate 403 which are vertically arranged on one surface of the first plate 401, the second plate 402 and the third plate 403 form a groove, the arc groove 41 is formed in one side of the second plate 402 opposite to the third plate 403, the third plate 403 can be abutted against the light emitting component, a groove 404 with an inclined upward groove is formed in one side of the third plate 403 opposite to the second plate 402, a groove 201 with an inclined upward groove is formed in one side of the frame 2 opposite to the third plate 403, the elastic sheet 5 is arranged in the groove, two ends of the elastic sheet 5 are respectively abutted against the first groove 404 and the second groove 201, and the first groove 404 is far away from the first plate 401 relative to the second groove 201 when the surface cover 4 is abutted against the light emitting component. The light source is a light guide plate backlight source 9, a plurality of threaded holes are formed in the light guide plate backlight source 9, and the threaded holes are in threaded connection with second step portions 43 extending out of the bolts 3.

During the in-service use, realize threaded connection with screw hole and bolt 3 with light guide plate backlight 9, send the light beam through light guide plate backlight 9, pass through drawing board 7 projection behind the light beam incidence diffuser plate 6 for the pattern on the drawing board 7 is clear visible. And the good advertising effect is realized under the advantage of energy conservation.

Example four: as shown in fig. 5, a lamp house, including mounting panel 1 and the frame 2 of setting on mounting panel 1, frame 2 includes four section bars that set up respectively at 1 four sides of mounting panel, still includes bolt 3, light source, light-emitting component and four face lid 4 of bending the shape, the 2 outside of frame is provided with circular arc post 21, 4 one end of face lid is provided with circular arc groove 41 with circular arc post 21 articulated, be provided with step portion 42 and No. two step portion 43 on the frame 2, the lower extreme face side portion of light-emitting component sets up on step portion 42, be provided with a plurality of counter bores on mounting panel 1, be provided with a plurality of screws on No. two step portion 43, bolt 3 passes counter bore and screw threaded connection, just bolt 3 stretches out No. two step portion 43, the light source sets up on mounting panel 1 or threaded connection is on bolt 3 that stretches out No. two step portion 43, the face lid 4 other end can overturn to offset with the light-emitting component up end, still including being used for compressing tightly face lid 4 and the shell fragment 5 that both ends offset with face lid 4 and frame 2 respectively. The light-emitting component is diffuser plate 6 and drawing board 7 of setting at diffuser plate 6 up end, diffuser plate 6's lower terminal surface sets up on step portion 42 No. one, drawing board 7's up end offsets with the other end of face lid 4. The shell fragment 5 is V type shell fragment 5, face lid 4 includes a board 401 and sets up two number boards 402 and three number boards 403 in a board 401 one side perpendicularly, a board 401, two number boards 402 and three number boards 403 form the recess, circular arc groove 41 sets up the one side at the relative three number boards 403 of No. two boards 402, no. three boards 403 can offset with the light-emitting component, the relative two number boards 402 one side of No. three board 403 is provided with a groove 404 of notch slant, the relative three number boards 403 one side in frame 2 upper end is provided with No. two grooves 201 of notch slant, shell fragment 5 sets up in the recess, 5 both ends of shell fragment offset with a groove 404 and No. two grooves 201 respectively, no. one groove 404 keeps away from a board 401 for No. two grooves 201 when face lid 4 offsets with the light-emitting component. The light source is a full-spread light source 8, and a plurality of mounting holes for mounting the full-spread light source 8 are formed in the mounting plate 1.

During actual use, the full-spread light source 8 is installed on the installation plate 1 through the installation hole, and light beams of the full-spread light source 8 are projected through the drawing board 7 after being emitted into the diffusion plate 6, so that patterns on the drawing board 7 are clear and visible. The luminous effect can be effectively ensured.

In the following detailed description, it should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art from this detailed description.

Claims

1. The utility model provides a lamp box, includes mounting panel (1) and frame (2) of setting on mounting panel (1), frame (2) include four section bars that set up respectively at mounting panel (1) four sides, its characterized in that: still include bolt (3), light source, light-emitting component and four both ends and be face lid (4) of the shape of bending, frame (2) outside is provided with circular arc post (21), face lid (4) one end is provided with rotates circular arc groove (41) of being connected with circular arc post (21), be provided with step portion (42) and No. two step portion (43) on frame (2), the lower extreme surface side portion of light-emitting component sets up on step portion (42), be provided with a plurality of counter bores on mounting panel (1), be provided with a plurality of screws on No. two step portion (43), bolt (3) pass counter bore and screw threaded connection, just No. two step portion (43) are stretched out in bolt (3), the light source sets up on mounting panel (1) or threaded connection is on bolt (3) that stretch out No. two step portion (43), face lid (4) other end offsets with light-emitting component up end, still including being used for compressing tightly face lid (4) and both ends respectively with face lid (4) and frame (2) shell fragment (5) that offsets.

2. A light box as claimed in claim 1, wherein: the light-emitting component is a diffusion plate (6), the lower end face of the diffusion plate (6) is arranged on a step portion (42), and the upper end face of the diffusion plate (6) is abutted to the other end of the face cover (4).

3. A light box as claimed in claim 1, wherein: the light-emitting component is diffuser plate (6) and drawing board (7) of setting at diffuser plate (6) up end, the lower terminal surface setting of diffuser plate (6) is on step portion (42) No. one, the up end of drawing board (7) offsets with the other end of face lid (4).

4. A light box as claimed in claim 1, wherein: the elastic sheet (5) is a V-shaped elastic sheet (5), the surface cover (4) comprises a plate (401) and a second plate (402) and a third plate (403) which are respectively and vertically arranged on two sides of the first plate (401), the second plate (402) and the third plate (403) form a groove, the arc groove (41) is formed in one side of the second plate (402) opposite to the third plate (403), the third plate (403) can be abutted to the light emitting component, one side of the third plate (403) opposite to the second plate (402) is provided with a groove (404) with an oblique upward notch, one side of the frame (2) upper end opposite to the third plate (403) is provided with an oblique upward notch (201), the elastic sheet (5) is arranged in the groove (400), two ends of the elastic sheet (5) are respectively abutted to the first groove (404) and the second groove (201), and when the surface cover (4) is abutted to the light emitting component, the first groove (404) is abutted to the second groove (201).

5. A light box as claimed in claim 1, wherein: the light source is a light guide plate backlight source (9), a plurality of threaded holes are formed in the light guide plate backlight source (9), and the threaded holes are in threaded connection with the bolts (3) extending out of the second step portion (43).

6. A light box as claimed in claim 1, wherein: the light source is a full-spread light source (8), and a plurality of mounting holes for mounting the full-spread light source (8) are formed in the mounting plate (1).