A multi-functional poster stand

Abstract

The application discloses a multifunctional poster frame, which comprises a main body structure, a fixing support which is detachably connected with the main body structure and is used for being installed on the side of a fixed object, a rotating connecting mechanism which is arranged between the fixing support and the main body structure and is used for rotatably connecting the fixing support and the main body structure, a locking mechanism which is arranged between the fixing support and the main body structure and is used for locking the fixing support and the main body structure relative to each other, and the main body structure is in an unfolded state or a folded state through locking of the locking mechanism; when the main body structure is in the unfolded state, the poster frame can be used as a storage rack or a bookshelf; when the main body structure is in the folded state, the poster frame can be used as a photo frame or a poster frame; the rotating connecting mechanism of the main body structure is used for rotating the main body structure to change the angle state of the main body structure after cooperation with the installation support, the function switching of the poster frame and the storage rack is realized, and the multifunctional poster frame has the characteristics of flexible operation, convenient use, one object with multiple uses and wide application.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of multi-functional poster frame. BACKGROUND

[0002] At present, the poster frame in market is limited to display purposes, and has single function, is easy to be damaged when displaying or placing, mainly reflected in:

[0003] 1, the poster frame of present stage is directly placed on ground, table top, and the frame is easy to fall and be damaged, when fixed on wall, accessory is easy to drop, and it is inconvenient to replace poster paper.

[0004] 2, when the poster frame is vertically fixed on wall, frame accessory is easy to be damaged and drop due to gravity, and it is high in maintenance and cost.

[0005] 3, most poster papers are fixed on poster frame by adhesive, and it needs to spend a lot of time and manpower to remove attachments on poster frame when replacing poster paper, and transparent accessory on poster frame is also easy to be damaged.

[0006] Therefore, the present application is proposed to solve the above problems. SUMMARY

[0007] The present application aims to overcome the shortcomings of the prior art, and provides a multi-functional poster frame, which can improve the problems of the prior art, and the main body structure is used in cooperation with the fixing support, when the main body structure is kept in horizontal and vertical state (folding state) with the wall, the main body structure is rotated to form 90 degrees with the wall, and the back of the main body structure realizes the function of a storage rack; at this moment, the light of the main body structure (the light of the light emitting part is emitted from the light transmission plate and downward) is in scattered light state and is projected vertically downward, and the main body structure has the functions of a desk lamp, atmosphere lamp, projection lamp and plant growth lamp; when the main body structure is rotated to keep the horizontal and vertical state with the wall, the main body structure realizes the functions of a photo frame and poster frame, so that the present application has the characteristics of flexible operation, convenient use, one object with multiple uses and wide application.

[0008] In the multi-functional poster frame, two light transmission plates are arranged in the main body structure, a gap / slot for placing poster paper is arranged between the two light transmission plates, and a notch with the same size is opened in the gap position between the two light transmission plates on the side surface of the main body structure, so that the poster paper can be pulled out or inserted from the notch on the side surface of the main body structure without opening the surface cover of the main body structure, and the present application has the advantages of convenient replacement, quickness, safety and low cost.

[0009] The present application is realized by the following technical scheme:

[0010] A multifunctional poster stand comprises a main body structure 1 and a fixing support 2 detachably connected with the main body structure 1 and used for being installed on the side of a fixed object, a rotating connecting mechanism 3 is arranged between the fixing support 2 and the main body structure 1 to rotatably connect the two, a locking mechanism 4 is further arranged between the fixing support 2 and the main body structure 1 to lock the two relative to each other, and the main body structure 1 is in an unfolded state or a folded state through locking of the locking mechanism 4; when the main body structure 1 is in the unfolded state, the poster stand can be used as a storage rack or a bookshelf; when the main body structure 1 is in the folded state, the poster stand can be used as a photo frame or a poster stand.

[0011] The multifunctional poster stand as described above, the rotating connecting mechanism 3 comprises a connecting groove 31 arranged on the main body structure 1 and a connecting lug 32 arranged on the fixing support 2 and capable of being clamped into the connecting groove 31, and a connecting hole 33 for the connecting shaft 34 to pass through to rotatably connect the main body structure 1 and the fixing support 2 is arranged on the side wall of the connecting groove 31 and the connecting lug 32, respectively.

[0012] The multifunctional poster stand as described above, the main body structure 1 is provided with a mounting sliding groove 111 for the connecting shaft 34 to slide transversely therein, a locking elastic member 35 is arranged between one end of the connecting shaft 34 and the end wall of the mounting sliding groove 111 to keep the connecting shaft 34 passing through the connecting hole 33, an operation hole 112 is arranged on the main body structure 1 and communicates with the end port of the mounting sliding groove 111, and an operation part 341 is arranged on the connecting shaft 34 and capable of passing through the operation hole 112 to be exposed outside the main body structure 1 for a user to operate.

[0013] The multifunctional poster stand as described above, a deformable damping member 36 is arranged between the outer wall of the connecting shaft 34 and the inner wall of the connecting hole 33.

[0014] The multifunctional poster stand as described above, the locking mechanism 4 comprises a first locking position 41 and a second locking position 42 eccentrically arranged on the connecting lug 32, a locking member 43 is slidably arranged in the main body structure 1 to be used in cooperation with the first locking position 41 or the second locking position 42, a locking elastic member 44 is arranged between the locking member 43 and the main body structure 1 to keep the locking member 43 in cooperation with the first locking position 41 or the second locking position 42, the main body structure 1 is in the folded state when the locking member 43 cooperates with the first locking position 41, and the main body structure 1 is in the unfolded state when the locking member 43 cooperates with the second locking position 42.

[0015] A multifunctional poster frame as described above, the connecting ear 32 is provided with a first unlocking driving part 45 for driving the locking part 43 to exit the first locking position 41 when the main body structure 1 is switched from the folded state to the unfolded state, and the connecting ear 32 is also provided with a second unlocking driving part 46 for driving the locking part 43 to exit the second locking position 42 when the main body structure 1 is switched from the unfolded state to the folded state.

[0016] A multifunctional poster frame as described above, the main body structure 1 comprises a shell 11 detachably connected with the fixed support 2, the shell 11 is provided with a light emitting part, and the front and rear sides of the shell 11 are respectively provided with a light transmission plate 12 and a non-light transmission back light surface 13.

[0017] A multifunctional poster frame as described above, the shell 11 is provided with a clamping groove 14 for placing a poster paper at the front side of the light transmission plate 12, and the side wall of the shell 11 is provided with a notch 141 communicating with the clamping groove 14.

[0018] A multifunctional poster frame as described above, the shell 11 is provided with a baffle 15 at the side of the back light surface 13, and the fixed support 2 is hidden by the baffle 15 when the main body structure 1 is in the folded state.

[0019] A multifunctional poster frame as described above, the fixed support 2 is installed on the side of the fixed object, and the light transmission plate 12 is arranged downward and the back light surface 13 is arranged upward to form a placing surface when the main body structure 1 is in the unfolded state.

[0020] A multifunctional poster frame as described above, the side wall of the main body structure 1 is provided with an electrical connection terminal 16 for electrical connection with a control circuit board in the main body structure 1.

[0021] The present application has the following advantages:

[0022] 1. The multifunctional poster frame is convenient and fast to install, in which the worker first fixes the fixed support on the side of the fixed object (wall, etc.) by screws, and then inserts the main body structure into the fixed support.

[0023] 2. The multifunctional poster frame is provided with a locking mechanism in the main body structure, which can rotate the main body structure to the unfolded or folded state after the main body structure is installed in cooperation with the fixed support, and when the main body structure is rotated to the folded state (horizontal state with the fixed object), the main body structure realizes the function of the poster frame or the light box, and when the main body structure is rotated to the unfolded state (90-degree angle with the fixed object), the light of the main body structure is projected downward, and at this time, the main body structure realizes the function of the table lamp, the small night lamp and the plant growth lamp; at the same time, the back light surface of the main body structure realizes the function of the placing rack.

[0024] 3、The gap between the two light transmission plates in the main body structure is the same height and width as the notch on the side of the main body structure, and is through, enabling quick replacement of the poster paper without opening the face cover of the main body structure, solving the problem in the prior art that the face cover of the poster stand must be disassembled to replace the poster paper in the poster stand, which is time-consuming and laborious.

[0025] 4、The housing is provided with a baffle on the side of the back light surface, and the fixed support is hidden by the baffle when the main body structure is in the folded state, so that the overall structure of the poster stand is more compact, neat and beautiful; in addition, when the main body structure is in the unfolded state and the back light surface forms a storage surface, the baffle can block the objects on the storage surface, avoiding the phenomenon of falling objects, and has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0026] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings, in which:

[0027] Figure 1 is a front perspective view of the present application.

[0028] Figure 2 is one of the back perspective views of the present application.

[0029] Figure 3 is the second back perspective view of the present application.

[0030] Figure 4 is a side view of the main body structure in the unfolded state in the present application.

[0031] Figure 5 is a side view of the main body structure in the folded state in the present application.

[0032] Figure 6 is a sectional view of the rotating connection mechanism in the present application.

[0033] Figure 7 is a sectional view of the locking mechanism in the present application.

[0034] Figure 8 is an exploded view of the present application.

[0035] Figure 9 is a partial perspective view of the fixed support in the present application.

[0036] Figure 10 is a sectional view of the main body structure in the folded state in the present application. DETAILED DESCRIPTION

[0037] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings, in which: Figures 1-10 The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings, in which:

[0038] AsFigures 1-10 As shown in the drawings, the multifunctional poster stand of the present application comprises a main structure 1 with a light-emitting part and a fixed support 2 detachably connected with the main structure 1 and used for being installed on the side surface of a fixed object, a rotating connection mechanism 3 capable of rotatably connecting the fixed support 2 and the main structure 1 is arranged between the fixed support 2 and the main structure 1, a locking mechanism 4 for locking the fixed support 2 and the main structure 1 relative to each other is further arranged between the fixed support 2 and the main structure 1, and the main structure 1 is in an unfolded state or a folded state through the locking of the locking mechanism 4; when the main structure 1 is in the unfolded state, the poster stand can be used as a storage rack or a bookshelf or a table lamp or a plant production lamp; when the main structure 1 is in the folded state, the poster stand can be used as a photo frame or a poster stand or a wall lamp. The rotating angle of the main structure can be adjusted by adjusting the rotation of the main structure relative to the fixed support, and the installation mode of the fixed support can be adjusted by adjusting the rotation of the fixed support relative to the main structure, so that the poster stand has the characteristics of convenient installation and use. The main structure and the fixed support are locked by the locking mechanism, so that the main structure can be stably in the unfolded state or the folded state, and the structure is stable. In addition, the fixed support and the main structure are detachably connected, so that the storage and transportation space is small during storage and transportation, and the storage and transportation are convenient.

[0039] The rotating connection mechanism of the main structure in the present application is used to change the angle state of the main structure by rotating the main structure after being installed with the installation support, so as to realize the function switching of the poster stand and the storage rack, one object with multiple uses, and wide application.

[0040] In the installation of the present application, the staff first installs the fixed support on the side surface of the fixed object (wall, etc.), and then connects the main structure with the fixed support, so that the present application adopts a step-by-step installation mode, which can reduce the installation difficulty, and the fixed support plays a reference positioning role for the main structure, so as to ensure that the main structure is accurately installed on the side surface of the fixed object.

[0041] When the poster stand is installed on the wall of a bedroom, a study, a restaurant, a cafe, etc., the main structure is rotated relative to the fixed support to make the main structure in the unfolded state or the folded state, so that when the main structure is in the unfolded state, the light-transmitting plate of the poster stand faces downward, the backlight surface faces upward, and the poster stand can be used as a storage rack or a table lamp or a bookshelf, as shown in Figure 4 When the main structure is in the folded state, the light-transmitting plate of the poster stand faces forward, and the backlight surface is attached to the side surface of the wall, so that the poster stand can be used as a wall lamp or a photo frame or a poster stand, as shown in Figure 5 .

[0042] When the poster frame is applied to indoor plant growing place, the main body structure is turned to shine to the plant (the light-transmitting plate faces downward), the sunlight-imitating light emitted by the main body structure is beneficial to the growth of indoor plants, and the back surface of the main body structure is converted into the function of the storage rack (the back surface faces upward) at this moment, and various home decoration supplies, books, photo frames and the like can be placed.

[0043] As shown in Figure 6 , 8 , 9, the rotating connecting mechanism 3 comprises a connecting groove 31 arranged on the main body structure 1 and a connecting lug 32 arranged on the fixed support 2 and capable of being clamped into the connecting groove 31, and the side walls of the connecting groove 31 and the connecting lug 32 are respectively provided with connecting holes 33 for the connecting shaft 34 to pass through so that the main body structure 1 and the fixed support 2 are rotatably connected. When assembled, the connecting groove 31 side wall plays a limiting and positioning role on the connecting lug 32, so as to facilitate the alignment of the two connecting holes 33.

[0044] As shown in Figure 6 , the two side walls of the connecting groove 31 are provided with connecting holes 33, and the connecting shaft 34 is simultaneously passed through the connecting holes 33 of the two side walls of the connecting groove 31 and the connecting holes 33 of the connecting lug 32, so as to ensure that the main body structure 1 and the fixed support 2 are more firmly and stably connected. In addition, the corresponding side wall of the operating part 341 and the corresponding end wall of the operating hole 112 (strip-shaped operating hole) are limited and matched, so as to facilitate the operator to understand whether the connecting shaft 34 is passed through the connecting holes 33 of the connecting groove 31 and the connecting lug 32; for example, when the corresponding end wall of the operating part 341 and one end wall of the operating hole 112 are abutted and matched, the locking end of the connecting shaft 34 is simultaneously passed through the connecting holes 33 of the two side walls of the connecting groove 31 and the connecting holes 33 of the connecting lug 32 at this moment, as shown in Figure 6 ; when the operating part 341 moves away from one end wall of the operating hole 112 and abuts and matches with the other end wall of the operating hole 112, the locking end of the connecting shaft 34 is withdrawn from the connecting holes 33 of the connecting lug 32.

[0045] As shown in Figure 6 , 8, 9, the main body structure 1 is provided with a mounting sliding groove 111 for the connecting shaft 34 to slide transversely therein, and a locking elastic member 35 is arranged between the end wall of the mounting sliding groove 111 and one end of the connecting shaft 34 to keep the connecting shaft 34 penetrating through the connecting hole 33; the main body structure 1 is provided with an operation hole 112 communicating with the end port of the mounting sliding groove 111, and the connecting shaft 34 is provided with an operation part 341 which can penetrate through the operation hole 112 and is exposed outside the main body structure 1 for the user to operate. When assembling, the fixed support 2 is moved relative to the main body structure 1 to make the connecting lug 32 clamped into the connecting groove 31, at this moment, the connecting hole 33 of the connecting lug 32 is aligned with the connecting hole 33 of the side wall of the connecting groove 31 and connected, then the external force on the operation part 341 is removed, the connecting shaft 34 is penetrated through the connecting hole 33 of the connecting lug 32 and the connecting hole 33 of the side wall of the connecting groove 31 under the action of the locking elastic member 35, and then the fixed support 2 is rotatably connected with the main body structure 1; when disassembling, only the operation part 341 is operated to make the connecting shaft 34 exit from the connecting hole 33 of the connecting lug 32, which has the characteristics of convenient assembly and disassembly.

[0046] In order to use more conveniently and save labor, the rotating auxiliary mechanism for assisting the main body structure 1 to rotate relative to the fixed support 2 is arranged between the fixed support 2 and the main body structure 1. The rotating auxiliary mechanism is a torsion spring arranged between the fixed support 2 and the main body structure 1, which is not shown in the figure, and is configured to assist the main body structure 1 to rotate from the unfolded state to the folded state or from the folded state to the unfolded state.

[0047] As shown in Figure 8 , in order to make the main body structure rotate stably relative to the fixed support, the deformable damping member 36 is arranged between the outer wall of the connecting shaft 34 and the inner wall of the connecting hole 33. In this embodiment, the damping member 36 is fixed to the inner wall of the connecting hole 33 and can be penetrated by the outer wall of the connecting shaft 34, and the damping member 36 can be silica gel or rubber.

[0048] As shown in Figures 7-9 , in order to better lock the main body structure in the unfolded state or the folded state, the locking mechanism 4 includes a first locking position 41 and a second locking position 42 eccentrically arranged on the connecting lug 32, and the locking mechanism 4 further includes a locking member 43 slidably arranged in the main body structure 1 for cooperation with the first locking position 41 or the second locking position 42, and the locking member 43 and the main body structure 1 are provided with a locking elastic member 44 which can keep the locking member 43 in cooperation with the first locking position 41 or the second locking position 42, and when the locking member 43 cooperates with the first locking position 41, the main body structure 1 is in the folded state; when the locking member 43 cooperates with the second locking position 42, the main body structure 1 is in the unfolded state. In this embodiment, the first locking position 41 is a locking hole arranged on the connecting lug 32, and the second locking position 42 is a locking wall arranged on the connecting lug 32.

[0049] As shown in Figure 7 , 8 , the locking member 43 is a locking shaft, and the main body structure 1 is provided with a mounting groove for the locking shaft to slide transversely therein.

[0050] As shown in Figures 7-9 , in order to make the operation more convenient, the connecting lug 32 is provided with a first unlocking driving part 45 for driving the locking member 43 to exit the first locking position 41 when the main body structure 1 is switched from the folded state to the unfolded state, and is also provided with a second unlocking driving part 46 for driving the locking member 43 to exit the second locking position 42 when the main body structure 1 is switched from the unfolded state to the folded state. In this embodiment, the first unlocking driving part 45 is an unlocking driving arc surface provided at the locking hole port, and the second unlocking driving part 46 is an unlocking avoiding inclined wall provided on the connecting lug 32 and located between the first locking position 41 and the second locking position 42, wherein the unlocking avoiding inclined wall is used for avoiding and guiding the locking end of the locking member 43. When the main body structure is rotated from the folded state Figure 4 to the unfolded state Figure 5 , only the main body structure needs to be rotated downward relative to the fixed support, and in the above rotation process of the main body structure, the locking end of the locking member 43 exits the first locking position 41 under the action of the unlocking driving arc surface, at this moment, the locking member 43 can rotate with the main body structure, and when the main body structure is rotated to the unfolded position, the locking end of the locking member 43 is in abutting cooperation with the second locking position 42, so that the main body structure is locked in the unfolded state relative to the fixed support. When the main body structure is rotated from the unfolded state Figure 5 to the folded state Figure 4 , only the main body structure needs to be rotated upward relative to the fixed support, and in the above rotation process of the main body structure, the locking end of the locking member 43 moves along the unlocking avoiding inclined wall, and when the main body structure is rotated to the folded position, the locking end of the locking member 43 is in inserting cooperation with the first locking position 41, so that the main body structure is locked in the folded state relative to the fixed support.

[0051] As shown in Figures 1-8 , the main body structure 1 includes a housing 11 which is detachably connected with the fixed support 2, and the housing 11 is provided with a light emitting member, and the front and rear sides of the housing 11 are respectively provided with a light transmission plate 12 and a non-light transmission back surface 13, so that the poster stand has a lighting function. In addition, the emitted light of the light emitting member is configured to pass through or irradiate on the poster paper, so as to improve the visual effect of the user and make it easier to view the poster paper. As shown in Figure 10 , the light emitting member is arranged on the inner wall of the back surface 13.

[0052] As shown in Figures 1-8As shown, in order to facilitate the replacement of the poster paper, the housing 11 is provided with a card slot 14 for placing the poster paper in front of the light-transmitting plate 12, and the housing 11 is provided with a notch 141 communicating with the card slot 14. Wherein, the poster paper is made of light-transmitting and transparent material.

[0053] As shown in Figures 1-8 , 10, the main structure 1 is provided with at least two layers of spaced light-transmitting plates 12, and the gap / card slot 14 for placing the poster paper is formed between the adjacent two light-transmitting plates 12. The main structure 1 is provided with a notch 141 of the same size corresponding to the gap position between the two light-transmitting plates 12, which facilitates the poster paper to be pulled out from the side of the main structure for replacement without opening the cover of the main structure. This scheme is convenient, fast, safe and low in cost.

[0054] In order to facilitate the poster paper to be taken out from the card slot 14, the notch 141 is provided with an operation port.

[0055] As shown in Figure 2 , 3 , 6, 7, the housing 11 is provided with a baffle 15 on the side of the back light surface 13, and the fixed support 2 is hidden by the baffle 15 when the main structure 1 is in the folded state, so that the overall structure of the poster stand is more compact, neat and beautiful. In addition, when the main structure is in the unfolded state and the back light surface forms a placing surface, the baffle can block the articles on the placing surface, avoiding the articles from falling, and having high practicability. Figure 5 As shown, when the fixed support 2 is fixedly connected with the wall and the main structure 1 is in the folded state, the baffle 15 abuts against the wall.

[0056] As shown in Figures 1-5 , the lower end of the baffle 15 is arc-shaped, which can ensure smooth rotation of the main structure relative to the wall or the fixed support, avoid interference between the main structure and the wall, and affect the rotation effect.

[0057] As shown in Figure 4 , when the fixed support 2 is installed on the side of the fixed object and the main structure 1 is in the unfolded state, the light-transmitting plate 12 is arranged downward, and the back light surface 13 is arranged upward to form a placing surface. At this moment, the light-transmitting plate 12 can be used for the light emitted by the light-emitting member to pass through for illumination, and the back light surface can be used for placing and arranging articles, which brings convenience to the user.

[0058] As shown in Figures 1-5As shown in FIG. 8, the side wall of the main body structure 1 is provided with an electrical connection terminal 16, such as a USB notch, a Type-C notch, or the like, for electrical connection with a control circuit board in the main body structure 1. In this embodiment, the electrical connection terminal 16 can be a charging connection terminal connected with an external power supply terminal, or an expansion connection terminal connected with an external electrical terminal, which is highly practical and multifunctional.

Claims

1. A multi-functional poster holder characterized by The utility model relates to a kind of poster racks, including main body structure (1) and the fixed support (2) for installing in fixed side with main body structure (1) detachably connected, rotating connection mechanism (3) between the fixed support (2) and main body structure (1) is equipped with the rotating connection mechanism (3) between the fixed support (2) and main body structure (1) is equipped with the locking mechanism (4) for locking, and main body structure (1) is in unfolded state or folding state by the locking of locking mechanism (4);When main body structure (1) is in unfolded state, the poster rack can be used as storage rack or bookshelf;When main body structure (1) is in folding state, the poster rack can be used as photo frame or poster rack; The rotating connection mechanism (3) includes connecting slot (31) provided on the main body structure (1) and connecting lug (32) provided on the fixed support (2) and capable of being clamped into the connecting slot (31), and the side wall of the connecting slot (31) and the connecting lug (32) are respectively provided with connecting holes (33) for the connecting shaft (34) to pass through, so that the main body structure (1) and the fixed support (2) are rotatably connected. The main body structure (1) is provided with a mounting sliding groove (111) for the connecting shaft (34) to slide transversely therein, and a locking elastic member (35) is arranged between one end of the connecting shaft (34) and the end wall of the mounting sliding groove (111) to keep the connecting shaft (34) passing through the connecting hole (33). The locking mechanism (4) includes a first locking position (41) and a second locking position (42) eccentrically arranged on the connecting lug (32), and the locking mechanism (4) further includes a locking member (43) slidably arranged in the main body structure (1) to cooperate with the first locking position (41) or the second locking position (42), and a locking elastic member (44) is arranged between the locking member (43) and the main body structure (1) to keep the locking member (43) cooperating with the first locking position (41) or the second locking position (42), and when the locking member (43) cooperates with the first locking position (41), the main body structure (1) is in the folding state; when the locking member (43) cooperates with the second locking position (42), the main body structure (1) is in the unfolded state.

2. The multi-functional poster holder according to claim 1, wherein A deformable damping member (36) is arranged between the outer wall of the connecting shaft (34) and the inner wall of the connecting hole (33).

3. The multi-functional poster holder of claim 1, wherein The connecting lug (32) is provided with a first unlocking driving part (45) for driving the locking member (43) to exit the first locking position (41) when the main body structure (1) switches from the folding state to the unfolded state, and the connecting lug (32) is further provided with a second unlocking driving part (46) for driving the locking member (43) to exit the second locking position (42) when the main body structure (1) switches from the unfolded state to the folding state.

4. The multi-functional poster holder according to any one of claims 1-3, wherein The main body structure (1) comprises a shell (11) detachably connected with a fixing support (2), the shell (11) is internally provided with a light emitting element, and the shell (11) is respectively provided with a light-transmitting plate (12) and a non-light-transmitting back light surface (13) at front and back sides.

5. The multi-functional poster holder of claim 4, wherein A card slot (14) for placing a poster paper is arranged on the shell (11) and located in front of the light-transmitting plate (12) and on the circumferential side, and a notch (141) in communication with the card slot (14) is arranged on the side wall of the shell (11).

6. The multi-functional poster holder of claim 5, wherein A baffle (15) is arranged on the shell (11) and located on the circumferential side of the back light surface (13), and the fixing support (2) is hidden by the baffle (15) when the main body structure (1) is in a folding state.

7. The multi-functional poster holder according to any one of claims 1-3, wherein An electric connection terminal (16) for electrically connecting with a control circuit board in the main body structure (1) is arranged on the main body structure (1).

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