Portable advertising board

Abstract

The utility model discloses a portable advertising board, which relates to the technical field of advertising boards and comprises an upper fixing frame, two sides of the top wall of the upper fixing frame are symmetrically provided with positioning holes, two inner side walls of the upper fixing frame are symmetrically and rotatably connected with torsion spring rotating shafts, and the torsion spring rotating shafts are fixedly sleeved with advertising reels; receding grooves are symmetrically formed in the two side walls of the interior of the tensioning supporting frame, spring telescopic rods are fixedly installed on the inner bottom walls of the receding grooves, and inserting plates correspondingly matched with the positioning holes in an inserted mode are fixedly installed on the bottom walls of the two ends of the tensioning supporting frame. The two ends of the tensioning rotating shaft are fixedly installed at the telescopic ends of the two spring telescopic rods correspondingly, and the outer wall face of the tensioning rotating shaft is rotationally connected with a reel induction roller; the folding advertising board is rapidly unfolded through the hinge folding structure, the spring telescopic rod automatically tensions the advertising cloth, the water tank balance weight enhances stability, the problems that a traditional advertising board is tedious in unfolding, wrinkled in picture and prone to toppling over are solved, and the folding advertising board is suitable for outdoor temporary advertising scenes.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of propaganda billboards, in particular to a portable propaganda billboard. BACKGROUND

[0002] Exhibition billboards are the core visual propaganda carriers of enterprises participating in exhibitions, and are used to display brand images and product information in exhibition and exposition venues, and are divided into vertical exhibition stands, light box advertisements, electronic display screens and banner / suspended billboards, as the "face" of exhibition marketing, carefully designed billboards can instantly attract customers, and are essential marketing weapons for participating enterprises;

[0003] In the utility model patent with the announcement number CN216353227U, a portable billboard for college enrollment is disclosed, which comprises a retractable shell, a limiting groove is formed in the top surface of the retractable shell, a bidirectional screw rod is rotatably connected in the limiting groove, two screw blocks are symmetrically arranged outside the bidirectional screw rod, a rotating disc is fixedly arranged at the left end of the bidirectional screw rod, and a plurality of clamping grooves are formed in the right wall edge of the rotating disc. The utility model enhances the safety of the supporting rod in the storage state and prolongs the service life of the device by adding a protective shell to protect the supporting rod in the folded storage state.

[0004] However, the main body of the billboard adopts a bidirectional screw rod to adjust a matching motor, which loses portability, and manual operation is more troublesome and complicated, and there is no auxiliary tensioning structure, the picture is prone to wrinkles with the increase of exhibition time, and there is no single stable structure, which cannot be flexibly adjusted according to the on-site situation. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a portable propaganda billboard, which solves the technical problems that the existing device adopts a bidirectional screw rod to adjust a matching motor, which loses portability, manual operation is more troublesome and complicated, there is no auxiliary tensioning structure, the picture is prone to wrinkles with the increase of exhibition time, there is no single stable structure, and it cannot be flexibly adjusted according to the on-site situation.

[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme:

[0007] A portable propaganda billboard comprises:

[0008] A fixed frame is provided, and a plurality of positioning holes are symmetrically formed in the top wall of the fixed frame, and a torsional spring shaft is rotatably connected to the inner side walls of the fixed frame, and an advertising reel is fixedly sleeved on the torsional spring shaft.

[0009] A tensioning support frame is provided, and a plurality of empty slots are symmetrically formed in the inner side walls of the tensioning support frame, and a spring telescopic rod is fixedly installed on the inner bottom wall of the empty slot, and a plug-in plate corresponding to the positioning hole is fixedly installed on the bottom wall of the two ends of the tensioning support frame.

[0010] A tensioning rotating shaft is fixedly installed at the telescopic ends of the two spring telescopic rods, and an induction roller is rotatably connected to the outer wall surface of the tensioning rotating shaft.

[0011] A lower fixed frame is hingedly connected to the bottom wall of the upper fixed frame, and two side walls inside the lower fixed frame are symmetrically rotatably connected to the base.

[0012] A load-bearing frame is rotatably connected to the two side walls inside the upper fixed frame, and support arms are fixedly installed at the two ends of the load-bearing frame.

[0013] Two groups of spring storage clamps are symmetrically fixedly installed on the rear wall of the upper fixed frame, and the support assembly is clamped in the spring storage clamp.

[0014] Preferably, the counterweight assembly includes a water tank that is adapted to the storage slot, the top wall of the water tank is fixedly connected to a water inlet, the side wall of the water tank is fixedly connected to a drain, and two auxiliary handles are symmetrically fixedly installed on the top wall of the water tank.

[0015] Preferably, two guide slots are symmetrically formed on the top wall of the water tank, and two rotating limiting blocks that are slidingly adapted to the guide slots are symmetrically fixedly installed on the top wall of the base.

[0016] Preferably, the height of the water inlet and the two auxiliary handles is lower than the thickness of the lower fixed frame when it is stored.

[0017] Preferably, limiting slots are formed on the corresponding positions of the hinge end of the bottom wall of the upper fixed frame and the top wall of the lower fixed frame, and guide slots are symmetrically formed on the inner wall of the limiting slot of the upper fixed frame.

[0018] Preferably, a magnetic attraction block is fixedly installed on the top wall of the limiting slot of the upper fixed frame, a magnetic attraction limiting plate is axially slidingly connected to the limiting slot, and the magnetic attraction limiting plate and the magnetic attraction block can be mutually attracted; and sliding blocks that are slidingly adapted to the guide slots are symmetrically fixedly installed on the two side walls of the magnetic attraction limiting plate.

[0019] Preferably, the support assembly includes two support rods and two extension rods, the two extension rods are correspondingly threadedly connected to the bottom ends of the two support rods; the connecting end of the support arm away from the load-bearing frame is provided with a plug-in ring groove, and the top ends of the two extension rods are fixedly installed with limiting plug-in keys that are adapted to the plug-in ring groove.

[0020] Preferably, the front wall surface of the lower fixing frame is fixedly provided with two symmetrically distributed T-shaped limiting rods; the front wall surface of the upper fixing frame and the front wall surface of the lower fixing frame are both fixedly provided with sliding guide frames, and the two sliding guide frames are aligned and spliced when the upper fixing frame and the lower fixing frame are unfolded.

[0021] Advantages

[0022] The utility model provides a portable propaganda billboard, has the following advantages:

[0023] Through the hinged folding structure, the spring telescopic rod and the water tank are used for automatically tensioning the advertising cloth and enhancing the stability, the problems of the traditional billboard are solved, and the problems of the traditional billboard are solved.

[0024] Through the folding storage structure, the spring storage clamp storage part is used for preventing loss, and the traditional cloth and the electronic screen are combined for display, so that the problems of the traditional billboard are solved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the unfolding structure schematic view of the utility model;

[0026] Figure 2 It is the storage structure schematic view of the utility model;

[0027] Figure 3 It is the base structure schematic view of the utility model;

[0028] Figure 4 It is the water tank structure schematic view of the utility model;

[0029] Figure 5 It is the bearing frame structure schematic view of the utility model;

[0030] Figure 6 It is Figure 5 It is the local enlarged view of A in the middle;

[0031] Figure 7 It is the reel induction roller structure schematic view of the utility model;

[0032] Figure 8 It is Figure 7 It is the local enlarged view of B in the middle.

[0033] In the figure: 1, the upper fixed frame; 2, the positioning hole; 3, the torsion spring rotating shaft; 4, the advertising reel; 5, the tensioning support frame; 6, the air clearance; 7, the spring telescopic rod; 8, the plug-in plate; 9, the tensioning rotating shaft; 10, the reel induction roller; 11, the lower fixed frame; 12, the base; 13, the storage groove; 14, the load-bearing frame; 15, the support arm; 16, the spring storage clamp; 17, the water tank; 18, the water inlet; 19, the water outlet; 20, the auxiliary handle; 21, the guide groove; 22, the rotating limiting block; 23, the non-slip pad; 24, the limiting groove; 25, the guide groove; 26, the magnetic attraction block; 27, the magnetic attraction limiting plate; 28, the sliding block; 29, the support rod; 30, the extension rod; 31, the plug-in ring groove; 32, the limiting plug-in key; 33, the T-shaped limiting rod; 34, the sliding guide frame. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0035] Please refer to Figures 1-8 A portable advertising billboard comprises:

[0036] The upper fixed frame 1 is symmetrically provided with positioning holes 2 on the top wall, and the torsion spring rotating shafts 3 are symmetrically and rotatably connected to the inner side walls of the upper fixed frame 1, and the advertising reels 4 are fixedly sleeved on the torsion spring rotating shafts 3.

[0037] The tensioning support frame 5 is symmetrically provided with air clearances 6 on the inner side walls, and the spring telescopic rods 7 are fixedly installed on the inner bottom walls of the air clearances 6, and the plug-in plates 8 are fixedly installed on the bottom walls of the tensioning support frame 5 and correspondingly plug-in matched with the positioning holes 2.

[0038] The tensioning rotating shaft 9 is fixedly installed at the telescopic ends of the two spring telescopic rods 7, and the reel induction roller 10 is rotatably connected to the outer wall surface of the tensioning rotating shaft 9.

[0039] The lower fixed frame 11 is hingedly connected to the bottom wall of the upper fixed frame 1, and the base 12 is symmetrically and rotatably connected to the inner side walls of the lower fixed frame 11, and the storage groove 13 is formed in the upper wall surface of the base 12, and the counterweight assembly is detachably connected in the storage groove 13.

[0040] The load-bearing frame 14 is rotatably connected to the inner side walls of the upper fixed frame 1 at both ends, and the support arms 15 are fixedly installed at both ends of the load-bearing frame 14.

[0041] The two groups of spring storage clamps 16 are symmetrically and fixedly installed on the rear wall surface of the upper fixed frame 1, and the support assembly is clamped in the spring storage clamps 16.

[0042] In use, the upper fixed frame 1 is the core bearing component, the torsional spring shaft 3 is rotatably connected to the inside of the upper fixed frame 1, the advertising spool 4 is fixed on the shaft, the tension support frame 5 is inserted into the positioning hole 2 of the top wall of the upper fixed frame 1 through the plug-in plate 8 at the bottom wall of the two ends, the spring telescopic rod 7 at the inside of the clearance groove 6 is connected to the top end of the tension rotating shaft 9, the spool inducing roller 10 is rotatably connected to the shaft, the spring storage clamp 16 at the rear wall of the upper fixed frame 1 can clamp the support assembly to prevent the components from falling and being lost.

[0043] In assembly, one end of the advertising cloth is fixed to the advertising spool 4, the other end is wound around the spool inducing roller 10, the spring force of the spring telescopic rod 7 continuously applies tension to the advertising cloth through the inducing roller to ensure that the picture is flat and wrinkle-free, in storage, the rebound force of the torsional spring shaft 3 drives the advertising spool 4 to automatically wind, without the need for manual arrangement, greatly improving the operation convenience.

[0044] Please refer to Figure 4 The counterweight assembly includes a water tank 17 matched with the storage groove 13, the top wall of the water tank 17 is fixedly connected with a water inlet 18, the side wall of the water tank 17 is fixedly connected with a drain 19, and the top wall of the water tank 17 is also symmetrically fixedly installed with two auxiliary handles 20.

[0045] In use, the lower fixed frame 11 is hingedly connected to the bottom wall of the upper fixed frame 1, which can be folded for storage, reducing the space occupation when idle, the bottom base 12 is rotatably connected to the inside of the lower fixed frame 11, and the counterweight assembly can be detachably connected in the storage groove 13 of the upper wall of the bottom base 12 to increase the weight and enhance the overall stability of the advertising board.

[0046] Please refer to Figure 3 The top wall of the water tank 17 is symmetrically provided with two guide grooves 21, the top wall of the bottom base 12 is symmetrically fixedly installed with two rotating limiting blocks 22 slidably matched with the guide grooves 21, and the bottom wall of the bottom base 12 is also fixedly installed with an anti-skid pad 23.

[0047] In use, the water tank 17 is provided with the water inlet 18 and the drain 19, and after water injection, it serves as a counterweight (the weight can be adjusted to adapt to different wind environments), and after water drainage, it is conveniently stored; the auxiliary handles 20 facilitate the installation and removal of the water tank 17. The rotating limiting blocks 22 on the top wall of the bottom base 12 are slidably matched with the guide grooves 21 of the water tank 17 to ensure that the water tank 17 is stably connected in the storage groove 13 when it is not filled with water; and the anti-skid pad 23 on the bottom wall of the bottom base 12 increases the friction with the ground to prevent the advertising board from falling.

[0048] Please refer to Figure 1 The heights of the water inlet 18 and the two auxiliary handles 20 are lower than the thickness of the lower fixed frame 11 when it is stored, and in use, the heights of the water inlet 18 and the auxiliary handles 20 are lower than the thickness of the lower fixed frame 11 when it is stored, ensuring that there is no component protruding when it is stored, the overall structure is compact, and it is convenient to carry.

[0049] Please refer to Figure 5The bottom wall of the upper fixing frame 1 and the top wall of the lower fixing frame 11 are provided with limiting grooves 24 at corresponding positions of the hinged ends.

[0050] Please refer to Figure 5 The upper fixing frame 1 is provided with a magnetic attraction block 26 on the inner top wall of the limiting groove 24, and a magnetic attraction limiting plate 27 is connected in the limiting groove 24 in the axial direction, and the magnetic attraction limiting plate 27 can be attracted to the magnetic attraction block 26; the two side walls of the magnetic attraction limiting plate 27 are symmetrically provided with sliding blocks 28 which are adapted to slide in the guide grooves 25.

[0051] When unfolded, the magnetic attraction limiting plate 27 is separated from the magnetic attraction block 26, and is slid out of the limiting groove 24 of the upper fixing frame 1 until it is partially inserted into the limiting groove 24 of the lower fixing frame 11, thereby fixing the unfolded angle of the two, which is simple and efficient.

[0052] Please refer to Figure 1 and Figure 5 The support assembly includes two support rods 29 and two extension rods 30, and the two extension rods 30 are respectively threadedly connected to the bottom ends of the two support rods 29; the connecting end of the support arm 15 away from the load-bearing frame 14 is provided with a plug-in ring groove 31, and the top end of each of the two extension rods 30 is fixedly provided with a limiting plug-in key 32 which is adapted to the plug-in ring groove 31.

[0053] In use, the two ends of the load-bearing frame 14 are rotatably connected to the inner side walls of the upper fixing frame 1, and the two support arms 15 cooperate with the support assembly to form a triangular support (to enhance the overall wind resistance): the support assembly includes the support rods 29 and the extension rods 30 which are threadedly connected (the height can be adjusted), the limiting plug-in keys 32 at the top ends of the extension rods 30 are adapted to the plug-in ring grooves 31 of the support arms 15, further enhancing the support stability, and meeting the height requirements of different terrains (such as slopes, steps, etc.).

[0054] Please refer to Figure 1 The front wall of the lower fixing frame 11 is fixedly provided with two symmetrically distributed T-shaped limiting rods 33; the front wall of the upper fixing frame 1 and the front wall of the lower fixing frame 11 are both fixedly provided with sliding guide frames 34, and the two sliding guide frames 34 are aligned and spliced when the upper fixing frame 1 and the lower fixing frame 11 are unfolded.

[0055] In use, the T-shaped limiting rods 33 of the front wall of the lower fixing frame 11 are fitted into the assembly holes of the connecting ends of the advertising reel 4, and the portable AI advertising screen can be inserted along the sliding guide frames 34 until the AI advertising screen is supported by the limiting ends of the T-shaped limiting rods 33, thereby realizing the combined display of the traditional advertising cloth and the electronic screen and expanding the diversity of advertising forms.

[0056] In this embodiment, the folding structure is quickly unfolded, the spring telescopic rod 7 is automatically tensioned, the water tank 17 is counterweighted to enhance stability, the problems of traditional billboards, such as complicated unfolding, picture wrinkles and easy to fall down, are solved, and the outdoor temporary publicity scene is adapted.

[0057] Specifically, when unfolded, the hinged upper fixed frame 1 and the lower fixed frame 11 are first flipped to both sides, the magnetic limiting plate 27 in the sliding upper fixed frame 1 is slid downward along the guide groove 25 and partially inserted into the limiting groove 24 of the lower fixed frame 11, and the unfolding angle of the two is locked by separating from the adsorption of the magnetic block 26. The support assembly is taken out of the spring storage clamp 16, the limiting plug-in key 32 at the top end of the extension rod 30 is inserted into the plug-in ring groove 31 of the support arm 15, the extension rod 30 is rotated and screwed with the support rod 29 to adjust the height, and the triangular support is formed to enhance wind resistance.

[0058] When the tensioning support frame 5 is installed, the plug-in plate 8 at the bottom wall is inserted into the positioning hole 2 of the upper fixed frame 1, and quick positioning is completed. The advertising cloth on the torsional spring rotating shaft 3 is wound around the spool induction roller 10 of the tensioning rotating shaft 9, hung on the T-shaped connecting end of the T-shaped limiting rod 33, and the spring telescopic rod 7 in the avoidance slot 6 is compressed during the process. The spool induction roller 10 continuously applies tension to the advertising cloth to ensure that the picture is flat and wrinkle-free.

[0059] Finally, the counterweight assembly is installed: the water tank 17 is first disassembled, water is poured through the water inlet 18, the auxiliary handle 20 of the water tank 17 is held, and the water tank is put into the receiving slot 13 of the base 12 to make the guide slot 21 and the rotating limiting block 22 slide and adapt. The anti-skid pad 23 at the bottom wall of the base 12 increases the friction force with the ground, and the stability of the billboard is double-protected. After use, the water tank can be emptied through the drain outlet 19.

[0060] In this embodiment, the folding storage structure reduces the volume, the spring storage clamp 16 stores the components to prevent loss, and the traditional cloth display and electronic screen combination display solve the problems of traditional billboards, such as large storage space occupation, component loss and single display form.

[0061] Specifically, when stored, the water tank 17 is first emptied and removed, and the water inlet 18 and the auxiliary handle 20 are lower than the storage thickness after drainage to ensure compact structure. The support assembly is disassembled, the extension rod 30 and the support rod 29 are twisted to the shortest state for resetting, and are clamped into the spring storage clamp 16 again to prevent component scattering. The magnetic limiting plate 27 is reversely slid to be adsorbed to the magnetic block 26, the upper fixed frame 1 and the lower fixed frame 11 are folded and attached, the occupied space is greatly reduced, and the billboard is convenient to carry.

[0062] During display, in addition to traditional advertising cloth displays, a portable AI advertising screen can be inserted through the T-shaped limiting rod 33 on the front wall of the lower fixed frame 11 and the spliced ​​sliding guide frame 34 until the screen is supported by the limiting end of the T-shaped limiting rod 33, realizing a combination display of "advertising cloth + electronic screen" and expanding the diversity of advertising formats. If the advertising cloth needs to be adjusted, the rebound force of the torsion spring shaft 3 can drive the advertising roll 4 to automatically rewind, eliminating the need for manual adjustment and further improving the ease of operation.

[0063] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A portable advertising billboard, characterized in that, The utility model relates to an advertising display device, including: The upper fixed frame (1) is provided with the positioning hole (2) on both sides of the top wall, and the torsional spring rotating shaft (3) is rotatably connected to the inner side wall, and the advertising reel (4) is fixedly sleeved on the torsional spring rotating shaft (3); The tension support frame (5) is provided with the empty slot (6) on the inner side wall, and the spring telescopic rod (7) is fixedly installed on the inner bottom wall of the empty slot (6), and the plug-in plate (8) is fixedly installed on the bottom wall of the tension support frame (5) and is plugged into the positioning hole (2); The tension rotating shaft (9) is fixedly installed at the telescopic end of the spring telescopic rod (7), and the reel induction roller (10) is rotatably connected to the outer wall surface of the tension rotating shaft (9); The lower fixed frame (11) is hingedly connected to the bottom wall of the upper fixed frame (1), and the bottom seat (12) is rotatably connected to the inner side wall, and the receiving groove (13) is formed in the upper wall surface of the bottom seat (12), and the counterweight assembly is detachably connected in the receiving groove (13); The bearing frame (14) is rotatably connected to the inner side wall of the upper fixed frame (1), and the support arm (15) is fixedly installed on the both ends of the bearing frame (14); The spring receiving clamp (16) is fixedly installed on the rear wall surface of the upper fixed frame (1), and the support assembly is clamped in the spring receiving clamp (16).

2. A portable advertising billboard according to claim 1, wherein The water tank (17) is fixedly connected to the top wall of the water tank (17), and the water inlet (18) is fixedly connected to the side wall, and the water outlet (19) is fixedly connected to the side wall, and the two auxiliary handles (20) are fixedly installed on the top wall of the water tank (17).

3. A portable advertising billboard according to claim 2, wherein The top wall of the water tank (17) is provided with the two guide grooves (21), and the top wall of the bottom seat (12) is fixedly installed with the two rotating limiting blocks (22) that are slidably matched with the guide grooves (21), and the bottom wall of the bottom seat (12) is fixedly installed with the anti-skid pad (23).

4. A portable advertising billboard according to claim 3, wherein The height of the water inlet (18) and the two auxiliary handles (20) is lower than the thickness of the lower fixed frame (11) when it is received.

5. A portable advertising billboard according to claim 1, wherein The bottom wall of the upper fixed frame (1) and the top wall of the lower fixed frame (11) are provided with the limiting groove (24) at the corresponding position of the hinged end, and the inner wall of the limiting groove (24) of the upper fixed frame (1) is provided with the guide groove (25) on both sides.

6. A portable advertising billboard according to claim 5, wherein, The inner top wall of the limiting groove (24) of the upper fixed frame (1) is fixedly installed with the magnetic attraction block (26), and the magnetic attraction limiting plate (27) is axially slidably connected in the limiting groove (24), and the magnetic attraction limiting plate (27) can be mutually adsorbed with the magnetic attraction block (26); the both side walls of the magnetic attraction limiting plate (27) are fixedly installed with the sliding block (28) that is slidably matched with the guide groove (25).

7. A portable advertising billboard according to claim 1, wherein The support assembly comprises two support rods (29) and two extension rods (30), the two extension rods (30) are respectively in threaded connection with the bottom ends of the two support rods (29); the support arm (15) is provided with an insertion ring groove (31) at the end away from the load-bearing frame (14), and the top ends of the two extension rods (30) are both fixedly provided with limiting insertion keys (32) matched with the insertion ring groove (31).

8. A portable advertising billboard according to claim 1, wherein The front wall surface of the lower fixed frame (11) is fixedly provided with two symmetrically distributed T-shaped limiting rods (33); the front wall surface of the upper fixed frame (1) and the front wall surface of the lower fixed frame (11) are both fixedly provided with sliding guide frames (34), and when the upper fixed frame (1) and the lower fixed frame (11) are unfolded, the two sliding guide frames (34) are aligned and spliced.

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