CN112216228A

CN112216228A - Advertising lamp box

Info

Publication number: CN112216228A
Application number: CN202011168935.2A
Authority: CN
Inventors: 罗超; 李波; 何维嵩
Original assignee: Dongguan Ceeye Electronics Co ltd
Current assignee: Dongguan Ceeye Electronics Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-01-12

Abstract

The invention provides an advertising lamp box, comprising: the lamp bracket comprises a lamp bracket rod and a cross beam; the box body comprises a back plate and a lamp frame, the lamp frame is arranged on the back plate, and the box body is arranged on the cross beam; the controller is arranged on the back surface of the back plate; the telescopic assembly comprises an adjusting rod, a cushion block and a bearing piece, the cushion block is connected with the end part of the lamp holder rod, the bearing piece penetrates through the cushion block and then extends into the lamp holder rod, the adjusting rod is slidably arranged in the lamp holder rod, and one end of the adjusting rod is connected with the cross beam; the adjusting part comprises a screw and a floating nut, the screw is rotatably installed on the cross beam, the floating nut is installed on the lamp holder, and the screw is in threaded connection with the floating nut. The advertising lamp box can pull the box body, so that the adjusting rod connected with the box body slides along the lamp holder rod, the distance between the lamp holder and the box body can be increased, maintenance personnel can enter the back of the box body to maintain the controller, and the maintenance difficulty is effectively reduced.

Description

Advertising lamp box

Technical Field

The invention belongs to the field of advertising and particularly relates to an advertising lamp box.

Background

Along with the increasing living standard of people, merchants pay more and more attention to advertising, and the advertising lamp box is an advertising form. The advertising lamp box comprises a suspension type, an embedded type and the like, the existing embedded type lamp box sets the controller at the back of the advertising lamp box, and after the advertising lamp box is installed, if the controller breaks down, the advertising lamp box is large in size and large in difficulty after being installed, so that the controller is difficult to maintain.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the advertising lamp box which can reduce the maintenance difficulty and is convenient to maintain.

An advertising light box according to an embodiment of the present invention includes: the lamp holder comprises a lamp holder rod and a cross beam; the box body comprises a back plate and a lamp frame, the lamp frame is used for installing advertising cloth, the lamp frame is installed on the back plate, and the box body is arranged on the cross beam; the controller is mounted on the back surface of the back plate; the telescopic assembly comprises an adjusting rod, a cushion block and a bearing piece, the cushion block is connected with the end part of the lamp holder rod, the bearing piece penetrates through the cushion block and then extends into the lamp holder rod, the adjusting rod is slidably mounted in the lamp holder rod, and one end of the adjusting rod is connected with the cross beam; the adjusting piece comprises a screw and a floating nut, the screw is installed on the cross beam and can rotate relative to the cross beam, the floating nut is fixedly installed on the lamp holder, and the screw is in threaded connection with the floating nut.

The advertising lamp box provided by the embodiment of the invention at least has the following beneficial effects: the flexible subassembly links to each other with lighting fixture and box respectively, a distance between adjustment lighting fixture and the box, flexible subassembly is including adjusting the pole, bearing piece and cushion, bearing piece can cooperate with the regulation pole and slide, the cushion can avoid adjusting pole and bearing piece and break away from the lighting fixture, when parts such as controller break down, the pulling box, make the regulation pole that links to each other with the box slide along the lighting fixture pole, can make the distance grow between lighting fixture and the box, increase the distance between lighting fixture and the box after, maintainer can get into the back of box, maintain the controller, can effectively reduce the maintenance degree of difficulty, and simultaneously, the floating nut and the screw rod threaded connection of regulating part, can avoid the box to break away from the lighting fixture, the rotating screw rod, the degree of adjusting screw rod screw in floating nut, can finely tune the distance between box and the lighting fixture. When the controller needs to be maintained, the screw rod is rotated to separate the screw rod from the floating nut, the box body is pulled to enable the adjusting rod to slide and extend out, after the adjusting rod extends out, the adjusting rod can enter the back face of the box body to be maintained, after maintenance is finished, the box body is pushed to enable the adjusting rod to retract, after retraction, the screw rod is screwed into the floating nut, meanwhile, the screwing degree of the screw rod is adjusted, the relative position between the box body and the lamp holder is adjusted, and the box body is kept flat.

According to some embodiments of the present invention, the advertising light box further comprises a PCB board, the PCB board is mounted on the back plate, the PCB board is provided with a plurality of light emitting members, and the PCB board is electrically connected to the controller.

According to some embodiments of the present invention, the advertising light box further comprises a diffusion plate mounted to a front surface of the back plate; the PCB board is located between the diffusion plate and the back plate.

According to some embodiments of the present invention, the housing is provided with a sleeve, and the diffuser plate is provided with a first through hole corresponding to the sleeve one to one.

According to some embodiments of the present invention, the diffusion plate has a first waist-shaped hole, the back plate has a second waist-shaped hole, the first waist-shaped hole and the second waist-shaped hole correspond to each other one by one, and the second waist-shaped hole is opposite to the screw.

According to some embodiments of the invention, the light-emitting component is an LED lamp bead group, the LED lamp bead group comprises a first lamp bead and a second lamp bead which have different color temperatures, the first lamp bead and the second lamp bead are arranged side by side, and the LED lamp bead group is uniformly arranged on the PCB.

According to some embodiments of the present invention, the lamp holder rods are arranged opposite to each other, the telescopic assembly is arranged on each lamp holder rod, two ends of the cross beam are respectively connected to the adjusting rods arranged opposite to each other, the cross beam is perpendicular to the lamp holder rods, and the cross beam is used for hanging the back plate.

According to some embodiments of the invention, the lamp holder further comprises a vertical rod, the vertical rod is perpendicular to the cross beams, and two ends of the vertical rod are respectively connected with the upper cross beam and the lower cross beam.

According to some embodiments of the present invention, the advertisement lamp box further comprises a plurality of reinforcing ribs, one end of each of the reinforcing ribs is connected to the back plate, and the other end of each of the reinforcing ribs is connected to the lamp frame.

According to some embodiments of the present invention, the lamp frame is provided with an installation groove for installing the advertisement cloth.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of an advertising light box according to an embodiment of the present invention.

Fig. 2 is another structural schematic diagram of the advertising light box according to the embodiment of the invention.

Fig. 3 is a schematic structural diagram of a lamp holder according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a telescopic assembly according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of a handle according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of an adjusting member according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a PCB board according to an embodiment of the present invention.

Reference numerals:

the advertisement lamp box comprises an advertisement lamp box 100, a lamp holder 110, a lamp holder rod 111, a cross beam 112, a support rod 113, a frame 114, an upright rod 115, a back plate 120, a sleeve 121, a second waist-shaped hole 122, a lamp frame 130, a mounting groove 131, a reinforcing rib 132, a diffusion plate 140, a first through hole 141, a first waist-shaped hole 142, a controller 150, a PCB 160, a telescopic component 170, an adjusting rod 171, a cushion block 172, a bearing 173, a luminous element 180, a first lamp bead 181, a second lamp bead 182, an adjusting element 190, a screw rod 191, a floating nut 192, a first bracket 193 and a second bracket 194;

handle 200, rubber ring 210, handle piece 220, handle pole 230, T-shaped piece 240.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, outer, inner, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

In order to more clearly understand the technical features, objects and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

An advertising light box 100 of an embodiment of the present invention is described below with reference to fig. 1 to 7.

As shown in fig. 1 to 7, an advertising light box 100 according to an embodiment of the present invention includes a lamp holder 110, a box body (wherein the box body includes a back plate 120 and a bezel 130), a diffusion plate 140, a controller 150, a PCB 160, a telescopic assembly 170, a light emitting member 180, and an adjusting member 190.

The lamp holder 110 includes a lamp holder rod 111 and a beam 112; the lamp frame 130 is used for installing advertising cloth, the lamp frame 130 is installed on the back plate 120, and the box body is arranged on the cross beam 112; the controller 150 is mounted on the back of the backplate 120; the telescopic assembly 170 comprises an adjusting rod 171, a cushion block 172 and a bearing member 173, the cushion block 172 is connected with the end of the lamp holder rod 111, the bearing member 173 penetrates through the cushion block 172 and then extends into the lamp holder rod 111, the adjusting rod 171 is slidably mounted in the lamp holder rod 111, and one end of the adjusting rod 171 is connected with the cross beam 112; the adjusting member 190 includes a screw 191 and a floating nut 192, the screw 191 is mounted on the cross member 112 and can rotate relative to the cross member 112, the floating nut 192 is fixedly mounted on the lamp holder 110, and the screw 191 is in threaded connection with the floating nut 192.

The telescopic assembly 170 of the advertising lamp box 100 according to the embodiment of the invention is respectively connected with the lamp holder 110 and the box body for adjusting the distance between the lamp holder 110 and the box body, the telescopic assembly 170 comprises an adjusting rod 171, a bearing member 173 and a cushion block 172, the bearing member 173 and the adjusting rod 171 can slide in a matching manner, the cushion block 172 can prevent the adjusting rod 171 and the bearing member 173 from being separated from the lamp holder 110, when a controller 150 and other parts are in failure, the box body is pulled to enable the adjusting rod 171 connected with the box body to slide along the lamp holder rod 111, the distance between the lamp holder 110 and the box body can be increased, after the distance between the lamp holder 110 and the box body is increased, a maintenance worker can enter the back of the box body to maintain the controller 150, the maintenance difficulty can be effectively reduced, meanwhile, the floating nut 192 of the adjusting member 190 is in threaded connection with the screw 191, the box body can be prevented from being separated from, the distance between the case and the lamp holder 110 can be finely adjusted. When the controller 150 needs to be maintained, the screw 191 is rotated to separate the screw 191 from the floating nut 192, the box body is pulled, the adjusting rod 171 slides and extends out, the adjusting rod can enter the back of the box body for maintenance after extending out, the box body is pushed after maintenance is finished, the adjusting rod 171 retracts, the screw 191 is screwed into the floating nut 192 after retracting, meanwhile, the screwing degree of the screw 191 is adjusted, and the relative position between the box body and the lamp holder 110 is adjusted, so that the box body is kept flat.

In order to ensure that the adjusting rod 171 does not depart from the lamp holder rod 111 during the sliding process, a stainless steel cable traction adjusting rod 171 is arranged in the lamp holder rod 111. Be provided with first opening on the cushion 172, first opening and lighting fixture pole 111 intercommunication, bearing part 173 is "T" style of calligraphy structure, has seted up the second opening on the bearing part 173, and bearing part 173 passes behind the second opening and communicates with lighting fixture pole 111, adjusts pole 171 and passes the second opening and slide along lighting fixture pole 111.

Referring to fig. 1, in some embodiments of the present invention, the PCB 160 is mounted on the back plate 120, the PCB 160 is provided with a plurality of light emitting members 180, and the PCB 160 is electrically connected to the controller 150. The diffusion plate 140 is installed at the front surface of the back plate 120; the PCB 160 is positioned between the diffusion plate 140 and the back plate 120. Specifically, after the PCB 160 is mounted on the back plate 120, the PCB is electrically connected to the controller 150, the controller 150 can control the light emitting member 180 on the PCB 160 to light up and light down, the PCB 160 is located between the diffusion plate 140 and the back plate 120, the advertisement cloth is mounted on the bezel 130 and located on the outermost side, the diffusion plate 140 can uniformly emit light of the light emitting member 180, and the light penetrates through the diffusion plate 140 and then irradiates the advertisement cloth, thereby achieving the effect of advertisement. More specifically, the bezel 130 is mounted around the back plate 120 to form a cavity, and the cavity can be used to accommodate the diffusion plate 140, the PCB 160, and other components, so that the advertising light box 100 is more attractive.

Referring to fig. 2, in some embodiments of the present invention, a sleeve 121 is disposed on the back plate 120. Through in handle 200 stretches into sleeve 121, cooperation telescoping assembly 170 can make the distance grow between lighting fixture 110 and the backplate 120, increases the distance between lighting fixture 110 and the backplate 120 after, maintenance personal can get into the back of backplate 120, maintains controller 150.

Referring to fig. 2 to 5, in some embodiments of the present invention, the diffusion plate 140 is provided with first through holes 141 corresponding to the sleeves 121 one by one. Specifically, the handle 200 includes a rubber ring 210, a handle piece 220, a handle bar 230 and a T-shaped block 240, the rubber ring 210 is disposed between the T-shaped block 240 and the handle bar 230, the rubber ring 210 is sleeved on the T-shaped block 240, the handle piece 220 is rotatably mounted on the handle bar 230, and a portion of the handle piece 220 penetrates through the handle bar 230 and then extends into the T-shaped block 240. The distance between the back plate 120 and the lamp holder 110 is adjusted by inserting the handle 200 into the sleeve 121 after passing through the first through hole 141, more specifically, when the back of the back plate 120 needs to be maintained, the handle 200 extends into the sleeve 121 after passing through the first through hole 141, the handle member 220 is pressed down, the rubber ring 210 is compressed and then expanded (the diameter of the rubber ring 210 is increased), the friction force between the handle 200 and the sleeve 121 is increased by the expanded rubber ring 210, the back plate 120 can be pushed or pulled out along with the movement of the handle 200 by pulling the handle 200, the handle member 220 is broken off, the rubber ring 210 is compressed and contacted, and the handle 200 can be taken out of the sleeve 121 after the handle member is restored to a natural state.

Referring to fig. 2 to 5, in some embodiments of the present invention, the lamp holder 110 further includes a cross beam 112, the lamp holder rods 111 are disposed opposite to each other, a telescopic assembly 170 is disposed on each lamp holder rod 111, two ends of the cross beam 112 are respectively connected to the adjusting rods 171 disposed opposite to each other, the cross beam 112 is perpendicular to the lamp holder rods 111, and the cross beam 112 is used for hanging the back plate 120. Specifically, the lamp holder 110 includes a lamp holder rod 111, a cross beam 112, a support rod 113 and a frame 114, wherein one end of the lamp holder rod 111 is mounted on the frame 114, one end of the support rod 113 is connected to the frame 114, the other end of the support rod 113 is connected to the lamp holder rod 111, and two ends of the cross beam 112 are slidably connected to the lamp holder rod 111 through a telescopic assembly 170. More specifically, the cross beam 112 includes two, the lamp holder rods 111 includes four, each lamp holder rod 111 is provided with a telescopic assembly 170, two lamp holder rods 111 are arranged on the same side of the frame 114, the other two lamp holder rods 111 are arranged on the other side of the frame 114, and the lamp holder rods 111 on different sides are opposite to each other in pairs, wherein one end of one cross beam 112 is connected with the adjusting rod 171, the other end of the cross beam 112 is connected with the adjusting rod 171 of the telescopic assembly 170 on the other lamp holder rod 111 at the same horizontal height, after connection, the cross beam 112 is perpendicular to the lamp holder rods 111, the other cross beam 112 is connected with the adjusting rods 171 of the telescopic assemblies 170 at the same horizontal height, the back plate 120 can be hung on the cross beam 112, after the handle 200 passes through the first through hole 141, the back plate extends into the sleeve 121, the handle member 220 is pressed down, so that when the back plate 120 is pulled out along with the movement of the handle, the cross beam 112 drives the adjusting rod 171 to slide, so that the adjusting rod 171 extends out, and after the adjusting rod is extended out, the distance between the back plate 120 and the lamp holder 110 is increased, and a maintenance worker can enter the back surface of the back plate 120 to perform maintenance.

Referring to fig. 2 to 5, in some embodiments of the present invention, the lamp holder 110 further includes an upright 115, the upright 115 is perpendicular to the cross beams 112, and two ends of the upright 115 are respectively connected to the upper and lower cross beams 112. Specifically, the number of the vertical rods 115 is two, two ends of the vertical rod 115 are respectively connected with the two cross beams 112, and the vertical rod 115 can support the cross beams 112, so that the cross beams 112 are more stable, and the cross beams 112 can be effectively prevented from being broken.

Referring to fig. 6, in the present embodiment, the adjusting member 190 further includes a first bracket 193 and a second bracket 194, the first bracket 193 is mounted on the cross beam 112, the screw 191 is mounted on the first bracket 193, the second bracket 194 is mounted on the supporting rod 113 of the lamp holder 110, and the floating nut 192 is mounted on the second bracket 194. When maintenance personnel need to enter the back of the box body for maintenance, the screw 191 is firstly screwed to be separated from the floating nut 192, so that the cross beam 112 can slide relative to the lamp holder rod 111 under the sliding of the telescopic component 170, after the separation, the handle 200 extends into the sleeve 121 to pull out the back plate 120, the maintenance is convenient for the maintenance personnel, after the maintenance is finished, the back plate 120 is pushed through the handle 200, after the pushing, the screw 191 is opposite to the floating nut 192, the screw 191 is screwed into the floating nut 192 through a wrench, the back plate 120 is finely adjusted by adjusting the screwing degree of the screw 191 into the floating nut 192, the back plate 120 and the lamp holder 110 can be fastened by screwing the screw 191 into the floating nut 192, and the phenomenon that the flatness of the back plate 120 is changed to influence the advertising effect when the advertising lamp box 100 is used is avoided.

Referring to fig. 1 and 2, in some embodiments of the present invention, the diffusion plate 140 is provided with a first waist-shaped hole 142, the back plate 120 is provided with a second waist-shaped hole 122, the first waist-shaped hole 142 corresponds to the second waist-shaped hole 122 one by one, and the second waist-shaped hole 122 is opposite to the screw 191. In order to reduce the complexity of the process of adjusting the flatness of the back plate 120 or releasing the locking of the adjuster 190 when maintenance is required, a wrench may be used to sequentially pass through the first and second waist-shaped

holes

142 and 122 without disassembling the diffuser plate 140 and the back plate 120, and then the screw 191 may be rotated to adjust the degree of screwing of the screw 191 into the floating nut 192.

Referring to fig. 2, in some embodiments of the present invention, the lamp holders 110 are disposed side by side, and each lamp holder 110 is provided with four telescopic assemblies 170. In this embodiment, lamp holder 110 includes two, and wherein two flexible subassemblies 170 of lamp holder 110 are located same level, and two other flexible subassemblies 170 are located same level, and are located the below, and when flexible subassembly 170 is flexible, can promote whole backplate 120 global movement simultaneously, make have sufficient space between backplate 120 and lamp holder 110, be convenient for maintenance personal to get into the backplate 120 and maintain afterwards.

Referring to fig. 1, in some embodiments of the present invention, the advertisement lamp box 100 further includes a rib 132, one end of the rib 132 is connected to the back plate 120, and the other end of the rib 132 is connected to the lamp frame 130. In this embodiment, the strengthening rib 132 is evenly arranged in the rim 130, is "L" style of calligraphy structure, and the one end of strengthening rib 132 links to each other with rim 130, and the other end of strengthening rib 132 links to each other with backplate 120, under the longer condition of advertising light boxes 100's length, can increase whole advertising light boxes 100's rigidity through the strengthening rib 132 of even setting for whole advertising light boxes 100 is more firm.

Referring to fig. 7, in some embodiments of the present invention, the light emitting member 180 is an LED lamp bead group, the LED lamp bead group includes a first lamp bead 181 and a second lamp bead 182, the first lamp bead 181 and the second lamp bead 182 are arranged side by side, and the LED lamp bead group is uniformly arranged on the PCB 160. Specifically, the color temperatures of the first lamp bead 181 and the second lamp bead 182 are different. Adopt the LED lamp pearl of different colour temperatures to respectively to first lamp pearl 181 and the not equidimension electric current of second lamp pearl 182 input, can make illuminating part 180 adjust to required colour temperature through the size that changes the electric current, need not to use the lamp pearl of specific colour temperature, adjust more in a flexible way.

Referring to fig. 1, the lamp frame 130 is provided with an installation groove 131 for installing an advertisement cloth. The advertising cloth can be plugged into the mounting groove 131 through the mounting groove 131, so that the advertising cloth is convenient to mount and replace.

The advertising light box 100 according to an embodiment of the present invention is described in detail in a specific embodiment with reference to fig. 1 to 7. It is to be understood that the following description is illustrative only and is not intended to be in any way limiting.

As shown in fig. 1 to 7, after the diffusion plate 140 is mounted on the lamp frame 130 or the back plate 120, the first waist-shaped hole 142 and the second waist-shaped hole 122 are sequentially passed through by a wrench, the screw 191 is rotated to be screwed into the floating nut 192, the flatness of the back plate 120 is adjusted by adjusting the screwing degree of the screw 191, the back plate 120 and the lamp frame 130 are fastened, after the adjustment is completed, the advertisement cloth is inserted into the mounting groove 131, the controller 150 controls the light-emitting member 180 to be turned on or off, and the advertisement cloth is irradiated through the diffusion plate 140, so that the advertisement effect is achieved. When the components of the controller 150 and the like are in failure, the advertising cloth is detached, the screw 191 is inserted and rotated by a wrench, the screw 191 is separated from the floating nut 192, after the separation, the handle 200 is inserted into the sleeve 121, the handle piece 220 is pressed downwards, the rubber ring 210 is expanded, the friction force between the sleeve 121 and the handle 200 is increased, the handle 200 is pulled, the back plate 120 is pulled out along with the movement of the handle 200, the distance and the space between the back plate 120 and the lamp holder 110 are increased, a maintenance worker enters the back surface of the back plate 120 to maintain or replace the components of the controller 150 and the like, after the maintenance is finished, the back plate 120 is pushed by the handle 200, after the pushing, the screw 191 is rotated by the wrench to be screwed into the floating nut 192, the flatness of the back plate 120 is adjusted, and the back plate 120 and the lamp holder 110 are fastened. Through increasing the distance between backplate 120 and lighting fixture 110, conveniently maintain the part at the backplate 120 back, can effectively reduce the maintenance degree of difficulty.

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 above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. An advertising light box, comprising:

the lamp holder comprises a lamp holder rod and a cross beam;

the box body comprises a back plate and a lamp frame, the lamp frame is used for installing advertising cloth, the lamp frame is installed on the back plate, and the box body is arranged on the cross beam;

the controller is mounted on the back surface of the back plate;

the telescopic assembly comprises an adjusting rod, a cushion block and a bearing piece, the cushion block is connected with the end part of the lamp holder rod, the bearing piece penetrates through the cushion block and then extends into the lamp holder rod, the adjusting rod is slidably mounted in the lamp holder rod and penetrates through the bearing piece, and one end of the adjusting rod is connected with the cross beam;

the adjusting part is used for adjusting the distance between the lamp holder and the box body, the adjusting part comprises a screw and a floating nut, the screw is installed on the cross beam and can rotate relative to the cross beam, the floating nut is fixedly installed on the lamp holder, and the screw is in threaded connection with the floating nut.

2. An advertising light box according to claim 1, further comprising a PCB board, wherein the PCB board is mounted on the back plate, the PCB board is provided with a plurality of light emitting members, and the PCB board is electrically connected to the controller.

3. An advertising light box according to claim 2, further comprising a diffuser plate mounted to the front face of the back plate; the PCB board is located between the diffusion plate and the back plate.

4. An advertising light box according to claim 3, wherein the back plate is provided with sleeves, and the diffusion plate is provided with first through holes corresponding one-to-one to the sleeves.

5. An advertising light box according to claim 3, wherein the diffusion plate is provided with a first waist-shaped hole, the back plate is provided with a second waist-shaped hole, the first waist-shaped hole and the second waist-shaped hole are in one-to-one correspondence, and the second waist-shaped hole is opposite to the screw.

6. The advertising lamp box of claim 2, wherein the light emitting member is a set of LED beads, the set of LED beads comprises a first bead and a second bead with different color temperatures, the first bead and the second bead are arranged side by side, and the set of LED beads is uniformly arranged on the PCB.

7. An advertising lamp housing as claimed in claim 1, wherein the lamp housing rods are oppositely disposed, the telescopic assembly is disposed on each lamp housing rod, the two ends of the cross beam are respectively connected to the adjusting rods which are oppositely disposed, the cross beam is perpendicular to the lamp housing rods, and the cross beam is used for hanging the back plate.

8. An advertising light box according to claim 7, wherein the lamp holder further comprises a vertical rod perpendicular to the cross member, and both ends of the vertical rod are connected to the upper and lower cross members, respectively.

9. An advertising light box according to claim 1, further comprising a plurality of reinforcing ribs, one end of the reinforcing ribs being connected to the back plate, and the other end of the reinforcing ribs being connected to the light frame.

10. An advertising light box according to claim 1, wherein the light frame is provided with an installation groove for installing advertising cloth.