CN219695981U

CN219695981U - Portable folding digital sign

Info

Publication number: CN219695981U
Application number: CN202320715263.5U
Authority: CN
Inventors: 周豪夫; 黎平; 何一兵; 浦希哲
Original assignee: Hangzhou Lianlianhui Network Technology Co ltd
Current assignee: Hangzhou Lianlianhui Network Technology Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-09-15
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a portable folding digital signage, which comprises an upper frame, a middle frame, a lower frame and a diagonal brace, wherein the upper frame and the lower frame are respectively hinged with the upper end and the lower end of the middle frame, the middle frame is provided with a display screen, at least one of the middle frame, the upper frame and the lower frame is provided with a lamp strip, the upper end or the lower end of the middle frame is provided with a plurality of metal guide discs in a hidden way, one end of the upper frame connected with the middle frame or one end of the lower frame connected with the middle frame is provided with a pogo pin thimble in a hidden way, when the upper frame and the lower frame are converted from a folding state to an unfolding state, the metal guide discs are in contact conduction with the pogo pin thimble, when the upper frame and the lower frame are converted from the unfolding state to the folding state, the metal guide discs are separated from the pogo pin thimble, the metal guide discs and the pogo pin thimble are respectively connected with corresponding lamps in an electrified way, the diagonal brace is hinged with the middle frame, and the diagonal brace is provided with a folding structure.

Description

Portable folding digital sign

Technical Field

The utility model belongs to the technical field of display boards, and particularly relates to a portable folding digital signage.

Background

The existing digital signage is mainly non-mobile, and fixed-point installation of the digital signage is generally finished in a wall-hanging, horizontal and vertical mode. Along with the continuous development of application scenes, the demands of customers become diversified gradually, and the traditional digital signage with fixed point positions can not meet the application demands of people gradually. For example, when a customer wants to replace a point location, a professional engineer is often required to detach the screen and install a new point location, which consumes time and cost; some customers want to carry the digital signage to conduct propaganda and development of corresponding activities at any time and any place, and the traditional digital signage equipment is large, heavy, cannot be carried and is complicated to install; the digital signage has no interactive atmosphere lamp function or is only used as a decorative lamp in a normally-on state.

In recent years, a mobile electronic water board is shown in the market, and the principle is that a screen is moved downwards to cancel an adjustable bracket, and two wheels are additionally arranged on a rear support so as to facilitate movement, as shown in fig. 1. However, the defects are obvious that the screen position is too low, the screen content needs to be bent down to be watched, the actual man-machine experience is not good, the equipment is heavy due to the battery, and the mobile electronic water sign also has no atmosphere lamp function.

Disclosure of Invention

The utility model aims to solve the problems in the background technology and provides a portable folding digital signage.

In order to achieve the above object, the utility model provides a portable folding digital signage, which comprises an upper frame, a middle frame, a lower frame and a diagonal brace, wherein the upper frame and the lower frame are respectively hinged with the upper end and the lower end of the middle frame, the middle frame is provided with a display screen, at least one of the middle frame, the upper frame and the lower frame is provided with a lamp strip, the upper end or the lower end of the middle frame is provided with a plurality of metal guide discs in a hidden manner, one end of the upper frame connected with the middle frame or one end of the lower frame connected with the middle frame is provided with a pogo pin thimble in a hidden manner, the metal guide discs are in contact conduction with the pogo pin thimble when the upper frame and the lower frame are converted from a folded state to an unfolded state, the metal guide discs are separated from the pogo pin thimble when the upper frame and the lower frame are converted from the unfolded state to the folded state, the metal guide discs and the pogo pin thimble are respectively electrically connected with corresponding lamps, the diagonal brace is hinged with the middle frame, and the diagonal brace is provided with the folded structure.

Preferably, the upper end and the lower end of the middle frame and one end of the upper frame, which is close to the middle frame, and one end of the lower frame, which is close to the middle frame, are respectively provided with grooves, the upper end and the lower end of the upper frame, the lower frame and the upper end and the lower end of the middle frame are respectively connected by hinges, and two connecting sheets of the hinges are respectively arranged in the corresponding grooves.

Preferably, the back of one end of the upper frame, which is close to the middle frame, and the back of one end of the lower frame, which is close to the middle frame, are respectively provided with a frame buckle, the back of the upper end and the back of the lower end of the middle frame are respectively provided with a frame hook, when the upper frame and the lower frame are converted from a folded state to an unfolded state, the frame buckles are buckled with the frame hooks to fasten the upper frame, the lower frame and the middle frame, and when the upper frame and the lower frame are required to be folded, the frame buckles are unfolded to separate the upper frame and the lower frame from the frame hooks.

Preferably, the upper end and the lower end of the middle frame are provided with a plurality of positioning columns, one end of the upper frame, which is close to the middle frame, and one end of the lower frame, which is close to the middle frame, are provided with positioning holes which are matched with the positioning columns, when the upper frame and the lower frame are converted from a folded state to an unfolded state, the positioning columns are spliced with the positioning holes, and when the upper frame and the lower frame are converted from the unfolded state to the folded state, the positioning columns are separated from the positioning holes.

Preferably, the upper end and the lower end of the middle frame are provided with first sinking grooves, the metal guide disc is locked and installed in the first sinking grooves by nylon nuts, one end of the upper frame, which is close to the middle frame, and one end of the lower frame, which is close to the middle frame, are respectively provided with second sinking grooves, and the pogo pin thimble is locked and installed in the second sinking grooves by nylon nuts.

Preferably, insulating gaskets are arranged between the pogin thimble and the upper frame and between the pogin thimble and the lower frame, and the insulating gaskets are positioned in the second sinking groove.

Preferably, the folding structure is formed by hinging an upper diagonal brace and a lower diagonal brace, one end of the upper diagonal brace, which is far away from the lower diagonal brace, is hinged with the middle frame, a diagonal brace hook is arranged on the front surface of one end of the upper diagonal brace, which is close to the lower diagonal brace, a diagonal brace hasp is arranged on the front surface of one end of the lower diagonal brace, when the upper diagonal brace and the lower diagonal brace are converted into unfolding states from folding states, the diagonal brace hasp is buckled with the diagonal brace hook to fasten the upper diagonal brace and the lower diagonal brace, and when the upper diagonal brace and the lower diagonal brace are required to be folded, the diagonal brace hasp is opened to enable the upper diagonal brace and the lower diagonal brace to be separated from the diagonal brace hook.

Preferably, a folding connecting rod is connected between the diagonal brace and the middle frame.

Preferably, mounting areas for mounting the advertising board are respectively formed between the upper frame and the middle frame and between the lower frame and the middle frame in a surrounding manner.

Preferably, the upper frame, the middle frame and the lower frame are provided with fixing pieces, and the advertising board is pressed and fixed with the fixing pieces by using fasteners.

The utility model has the beneficial effects that: according to the utility model, the upper frame, the lower frame and the middle frame are hinged, and the diagonal bracing is hinged with the middle frame, so that the digital signage can be folded in multiple points, and is convenient to carry and transport; the light strip is arranged on the middle frame, the lower frame and the upper frame, the metal guide discs are arranged at the upper end and the lower end of the middle frame in a hidden mode, the pogon pins are arranged at the lower end of the upper frame and the upper end of the lower frame in a hidden mode, the pogon pins are in contact conduction with the metal guide discs after the upper frame and the lower frame are unfolded so as to light the light strip, the light strip is in wireless connection design, wire arrangement operation in the folding and unfolding process of the digital signage is avoided, the reliability of products is improved, and the problem that wires are easy to wear and break during wired connection is avoided; the hidden arrangement of the hinge between the upper frame and the middle frame and the hinge between the lower frame and the middle frame is realized, so that the digital sign is more attractive when unfolded and folded, and the whole surface is smoother.

The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of a conventional mobile electronic water tablet according to the present utility model.

Fig. 2 is a front view of an embodiment of the utility model in an expanded state.

Fig. 3 is a schematic back view of an expanded state of an embodiment of the present utility model.

Fig. 4 is a front view illustrating a first folded state according to an embodiment of the present utility model.

Fig. 5 is a schematic back view of a first folded state according to an embodiment of the present utility model.

Fig. 6 is a front view schematically illustrating a second folded state according to an embodiment of the present utility model.

Fig. 7 is a schematic back view of a second folded state according to an embodiment of the present utility model.

Fig. 8 is a schematic diagram of the overall structure of a frame according to an embodiment of the present utility model.

Fig. 9 is a schematic overall folding view of a frame according to an embodiment of the present utility model.

Fig. 10 is a schematic illustration of the folding of the mid-frame and diagonal braces of an embodiment of the present utility model.

Fig. 11 is a schematic view of the inside of the lower frame according to an embodiment of the present utility model.

Fig. 12 is an internal schematic view of the middle and upper frame mounting structure of an embodiment of the present utility model.

Fig. 13 is an enlarged schematic view of portion a of fig. 12 in accordance with an embodiment of the utility model.

Fig. 14 is a schematic view of the inside of a middle frame according to an embodiment of the present utility model.

In the figure: 1-upper frame, 2-middle frame, 3-lower frame, 4-bracing, 5-folding connecting rod, 6-metal guide disc, 7-pogpin thimble, 8-hinge, 9-lamp area, 21-display screen, 22-reference column, 23-recess, 41-upper bracing, 42-lower bracing.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that is commonly put in use of the product of this application, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The present utility model will be described in detail with reference to the accompanying drawings.

Referring to fig. 2 to 14, the present embodiment provides a portable folding digital signage, which includes an upper frame 1, a middle frame 2, a lower frame 3 and a diagonal brace 4, wherein the upper frame 1 and the lower frame 3 are respectively hinged with the upper end and the lower end of the middle frame 2, the middle frame 2 is provided with a display screen 21, at least one of the middle frame 2, the upper frame 1 and the lower frame 3 is provided with a light belt 9 by using back glue, the upper end or the lower end of the middle frame 2 is provided with a plurality of metal guide discs 6 in a hidden manner, the lower end of the upper frame 1 or the upper end of the lower frame 3 is provided with a pogo pin thimble 7 which is adapted to the metal guide discs 6 in a hidden manner, when the upper frame 1 and the lower frame 3 are converted from a folded state to an unfolded state, the metal guide discs 6 are separated from the pogo pin thimble 7, the metal guide discs 6 and the pogo pin thimble 7 are respectively electrically connected with the corresponding light belt 9, and the diagonal brace 4 is provided with a folding structure. Specifically in this scheme, all hide and install the pogo pin thimble 7 that suits with metal guide disc 6 in the lower extreme of upper frame 1 and the upper end of lower frame 3, the lower extreme of upper frame 1 and the upper end of lower frame 3 are equipped with the through-hole of installation pogo pin thimble 7, and the upper end and the lower extreme of well frame 2 are equipped with the through-hole of installation metal guide disc 6.

When the digital signage is used, the light bands 9 can be arranged in the middle frame 2, the upper frame 1 and the lower frame 3, or the light bands 9 can be independently arranged in the single middle frame 2 or the upper frame 1 or the lower frame 3, or two light bands 9 can be optionally arranged in the middle frame 2 or the upper frame 1 or the lower frame 3. The middle frame 2 is provided with a power supply device for supplying power to the lamp strip 9 and the display screen 21, the back of the display screen 21 is provided with a USB interface, the number of the pogo pin ejector pins 7 and the number of the metal guide plates 6 are 3 and are in one-to-one correspondence, and the three metal guide plates 6 respectively represent "+", "-", and "data", and realize current conduction and signal transmission through tail connection with the pogo pin ejector pins 7. The middle frame, the upper frame and the lower frame can be made of metal or nonmetal. The spring is arranged in the pogin thimble 7, so that the displacement of 4mm at the end part can be realized, and the conduction can be realized under a certain processing error range, and the pogin thimble 7 is of an existing structure and is not repeated in the utility model. The middle frame 2, the upper frame 1 and the lower frame 3 are hollow structures.

Further, referring to fig. 5, grooves 23 are formed at the upper end and the lower end of the middle frame 2 and the lower end of the upper frame 1, and the upper end of the lower frame 3, respectively, between the lower end of the upper frame 1 and the upper end of the middle frame 2, and between the upper end of the lower frame 3 and the lower end of the middle frame 2, respectively, the two connection pieces of the hinge 8 are respectively mounted in the corresponding grooves 23, and the corresponding grooves 23 generally refer to the connection pieces of the hinge 8 corresponding to the grooves 23 on the connection frame, for example, when the hinge 8 connects the middle frame 2 with the upper frame 1, the two connection pieces of the hinge 8 are respectively located in the grooves 23 of the middle frame 2 and the upper frame 1, and the connection pieces are connected with the grooves 23 by fastening screws, so that the hinge 8 realizes hidden mounting, the hinge 8 is invisible after the upper frame 1 and the lower frame 3 are unfolded, and the overall aesthetic degree of the digital signage is improved.

Further, referring to fig. 3, the back of the lower end of the upper frame 1 and the back of the upper end of the lower frame 3 are both provided with frame buckles, the back of the upper end of the middle frame 2 and the back of the lower end of the middle frame 2 are provided with frame hooks, when the upper frame 1 and the lower frame 3 are converted from a folded state to an unfolded state, the frame buckles are buckled with the frame hooks to fasten the upper frame 1, the lower frame 3 and the middle frame 2, when the upper frame 1 and the lower frame 3 need to be folded, the frame buckles are opened to separate from the frame hooks, in the scheme, the back of the upper frame 1, the lower frame 3 and the middle frame 2 are respectively close to one side of the diagonal brace 4, so that the folding and fastening installation requirements of digital signage are met, the frame hooks can also be arranged on the back of the lower end of the upper frame 1 and the back of the lower frame 3, the back of the upper end of the middle frame 2, the frame buckles and the frame hooks are designed to ensure that the upper frame 1, the lower frame 3 and the middle frame 2 are more firmly installed after being unfolded, and the frame hooks are conveniently replaced by adjusting the buckling or separating of the frame buckles and the frame hooks.

Further, referring to fig. 9 and 10, the upper end and the lower end of the middle frame 2 are provided with a plurality of positioning columns 22, the lower end of the upper frame 1 and the upper end of the lower frame 3 are respectively provided with a positioning hole adapted to the positioning columns 22, when the upper frame 1 and the lower frame 3 are converted from a folded state to an unfolded state, the positioning columns 22 are spliced with the positioning holes, when the upper frame 1 and the lower frame 3 are converted from the unfolded state to the folded state, the positioning columns 22 are separated from the positioning holes, so that the positioning columns 22 are spliced with the positioning holes correspondingly after the upper frame 1 and the lower frame 3 are unfolded with the middle frame, and the upper frame 1 and the lower frame 3 are relatively flat after being unfolded and connected with the middle frame 2 and are not easy to loose and misplacement.

Further, referring to fig. 11 to 14, the upper end and the lower end of the middle frame 2 are provided with a first sinking groove, the metal guide disc 6 is locked and installed in the first sinking groove by using a nylon nut, the lower end of the upper frame 1 and the upper end of the lower frame 3 are provided with a second sinking groove, the pogin thimble 7 is locked and installed in the second sinking groove by using a nylon nut, so that hidden installation of the pogin thimble 7 and the metal guide disc 6 is realized, and loose dislocation is not easy to occur after installation.

Further, in fig. 13, insulation gaskets are arranged between the pogin thimble 7 and the upper frame 1 and between the pogin thimble 7 and the lower frame 3, the insulation gaskets are located in the second sinking groove, the insulation gaskets can be made of nylon materials, the insulation gaskets are designed to play a role in insulation, and the insulation gaskets can serve as buffering to prevent the damage caused by the impact of the pogin thimble 7 and the metal guide disc 6 after the frame is unfolded in place, so that the service life is prolonged.

Further, in fig. 2, 3 and 8, the folding structure is formed by hinging an upper diagonal brace 41 and a lower diagonal brace 42, specifically, a first connecting plate is arranged at the back of the lower end of the upper diagonal brace 41, two parallel second connecting plates are arranged at the back of the upper end of the lower diagonal brace 42, the first connecting plates are inserted into gaps between the two second connecting plates and axially connected by bolts and nuts when the upper diagonal brace 41 and the lower diagonal brace 42 are installed, one end of the upper diagonal brace 41 far away from the lower diagonal brace 42 is hinged with the middle frame 2, a diagonal brace hook is arranged at the front of the lower end of the upper diagonal brace 41, a diagonal brace hasp is arranged at the front of the upper end of the lower diagonal brace 42, when the upper diagonal brace 41 and the lower diagonal brace 42 are converted into an unfolding state, the diagonal brace hasp is buckled with the diagonal brace hook to fasten the upper diagonal brace 41 and the lower diagonal brace 42, and when the upper diagonal brace 41 and the lower diagonal brace 42 need to be folded, the diagonal brace hasp is opened to separate from the diagonal brace hook, and the design of the folding structure enables the diagonal brace 4 to be folded, and the diagonal brace hook to be fastened and fastened by the diagonal brace hasp after the diagonal brace is unfolded.

Further, in fig. 2, the front surface of the diagonal brace 4, that is, the surface close to the middle frame 2 is provided with a notch, and the diagonal brace hook and the diagonal brace hasp are both positioned in the notch, so that the folding tightness of the diagonal brace 4 after folding and recovering is not affected by the diagonal brace hook and the diagonal brace hasp, that is, the diagonal brace 4 can be tightly abutted against the middle frame 2 after folding.

Further, in fig. 3, 5 and 8, the back of the middle frame 2 is provided with a diagonal bracing connecting seat with a guiding groove with one open end, and the upper end of the upper diagonal bracing 41 is inserted into a socket of the diagonal bracing connecting seat and connected with a bolt and a nut, so that the upper diagonal bracing 41 can rotate relative to the diagonal bracing connecting seat to realize the rotary opening or folding closing of the upper diagonal bracing 41 relative to the middle frame 2, the guiding groove of the diagonal bracing connecting seat has a certain limiting effect on the maximum unfolding angle of the diagonal bracing 4, and the rotary opening or folding closing of the diagonal bracing 4 is stable and smooth.

Further, referring to fig. 8 and 10, a folding connecting rod 5 is connected between the diagonal brace 4 and the middle frame 2, the folding connecting rod 5 is formed by hinging two connecting rods, two ends of the folding connecting rod 5 are respectively connected with the diagonal brace 4 and the middle frame 2 through connecting seats, the folding connecting rod 5 is hinged with the connecting seats, the folding connecting rod 5 can provide a certain tensioning limiting effect between the diagonal brace 4 and the middle frame 2, the overall connection strength of the middle frame 2 and the diagonal brace 4 is improved, and the total length of the folding connecting rod 5 can be dynamically adjusted in a rotating mode according to the unfolding angle of the diagonal brace 4.

Further, the installation areas for installing the billboards are respectively formed between the upper frame 1 and the middle frame 2 and between the lower frame 3 and the middle frame 2 in a surrounding manner, so that the billboards for propaganda can be installed on the digital billboards, and the propaganda and displaying effect is improved.

The upper end and the lower end of the upper frame 1 and the middle frame 2 and the lower frame 3 are respectively provided with two fixing sheets which are arranged in bilateral symmetry, the advertising board is tightly pressed and fixed with the fixing sheets by using fastening pieces which are fastening bolts and nuts, and the advertising board can be an electric advertising board or a non-electric advertising board, so that the advertising board is convenient to assemble, disassemble and replace.

The working process of the utility model comprises the following steps:

this portable folding digital signage is in the course of the work, expand bracing 4, go up frame 1 and lower frame 3, after expanding, with bracing hasp and bracing couple looks lock in proper order, with frame hasp and frame couple looks lock, make bracing 4, go up frame 1, well frame 2 and lower frame 3 relatively fixed, place digital signage subaerial, install the bill-board in the installation region between last frame 1 and well frame 2, down frame 3 and well frame 2, show corresponding advertisement or other propaganda content after the display screen circular telegram, after last frame 1 and lower frame 3 expand, pogopin thimble 7 and metal guide disc 6 switch on and make lamp area 9 bright, the whole expansion length of digital signage can reach 1.9m, when needs folding, break away from bracing hasp and bracing couple looks, break away from frame hasp and frame couple, it is folding to go up frame 1, down frame 3, go up diagonal bracing 41 and lower diagonal bracing 42 looks, digital signage length after folding shortens to 1.15m, can put into corresponding transport case so as to carry.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims

1. A portable, folding digital signage, characterized by: the multifunctional light guide plate comprises an upper frame, a middle frame, a lower frame and a diagonal brace, wherein the upper frame and the lower frame are respectively hinged with the upper end and the lower end of the middle frame, a display screen is installed on the middle frame, at least one of the middle frame, the upper frame and the lower frame is provided with a light strip, a plurality of metal guide plates are installed at the upper end or the lower end of the middle frame in a hidden mode, a pogo pin thimble which is suitable for the metal guide plates is installed at one end of the middle frame in the upper frame connection or one end of the middle frame in the lower frame connection in a hidden mode, the metal guide plates are in contact with the pogo pin thimble when the upper frame and the lower frame are converted into an unfolding state from a folding state, the metal guide plates are separated from the pogo pin thimble when the upper frame and the lower frame are converted into a folding state from the unfolding state, the metal guide plates and the pogo pin thimble are respectively connected with the corresponding light in an electrified mode, and the diagonal brace is hinged with the middle frame, and the diagonal brace is provided with the folding structure.

2. The portable, folded digital signage of claim 1, wherein: the upper end and the lower end of the middle frame and one end of the upper frame, which is close to the middle frame, and one end of the lower frame, which is close to the middle frame, are respectively provided with grooves, the upper end and the lower end of the upper frame, the lower frame and the upper end and the lower end of the middle frame are respectively connected by hinges, and two connecting sheets of the hinges are respectively arranged in the corresponding grooves.

3. The portable, folded digital signage of claim 1, wherein: the upper frame is close to the back of one end of the middle frame, the lower frame is close to the back of one end of the middle frame, frame buckles are arranged on the back of the upper end and the back of the lower end of the middle frame, frame hooks are arranged on the back of the upper end and the back of the lower end of the middle frame, when the upper frame and the lower frame are converted from a folded state to an unfolded state, the frame buckles are buckled with the frame hooks to fasten the upper frame, the lower frame and the middle frame, and when the upper frame and the lower frame are required to be folded, the frame buckles are unfolded to enable the upper frame and the lower frame to be separated from the frame hooks.

4. The portable, folded digital signage of claim 1, wherein: the upper end and the lower end of the middle frame are provided with a plurality of positioning columns, one end of the upper frame, which is close to the middle frame, and one end of the lower frame, which is close to the middle frame, are provided with positioning holes which are matched with the positioning columns, when the upper frame and the lower frame are converted from a folded state to an unfolded state, the positioning columns are spliced with the positioning holes, and when the upper frame and the lower frame are converted from the unfolded state to the folded state, the positioning columns are separated from the positioning holes.

5. The portable, folded digital signage of claim 1, wherein: the upper end and the lower end of the middle frame are provided with first sinking grooves, the metal guide disc is locked and installed in the first sinking grooves by nylon nuts, one end of the upper frame, which is close to the middle frame, and one end of the lower frame, which is close to the middle frame, are respectively provided with second sinking grooves, and the pogo pin ejector pins are locked and installed in the second sinking grooves by nylon nuts.

6. The portable, folded digital signage of claim 5, wherein: insulating gaskets are arranged between the pogin thimble and the upper frame and between the pogin thimble and the lower frame, and the insulating gaskets are positioned in the second sinking groove.

7. The portable, folded digital signage of claim 1, wherein: the folding structure is formed by hinging an upper diagonal bracing and a lower diagonal bracing, one end of the upper diagonal bracing, which is far away from the lower diagonal bracing, is hinged with the middle frame, a diagonal bracing hook is arranged on the front surface of one end of the upper diagonal bracing, which is close to the lower diagonal bracing, a diagonal bracing hasp is arranged on the front surface of one end of the lower diagonal bracing, when the upper diagonal bracing and the lower diagonal bracing are converted into unfolding states from folding states, the diagonal bracing hasp is buckled with the diagonal bracing hook to fasten the upper diagonal bracing and the lower diagonal bracing, and when the upper diagonal bracing and the lower diagonal bracing are required to be folded, the diagonal bracing hasp is opened to separate the upper diagonal bracing hook from the diagonal bracing hook.

8. The portable, folded digital signage of claim 1 or 7, wherein: and a folding connecting rod is connected between the diagonal brace and the middle frame.

9. The portable, folded digital signage of claim 1, wherein: and mounting areas for mounting the advertising board are respectively formed between the upper frame and the middle frame and between the lower frame and the middle frame in a surrounding manner.

10. The portable, folded digital signage of claim 9, wherein: the upper frame, the middle frame and the lower frame are provided with fixing pieces, and the advertising board is pressed and fixed with the fixing pieces by using fasteners.