Image signboard with content convenient to replace

Abstract

The utility model relates to the technical field of signboards, and discloses an image signboard convenient for content replacement, which comprises a display rack, the top of the display rack is provided with a mounting groove, the front side of the display rack is fixedly connected with a frame, the front side of the frame is fixedly connected with an acrylic dustproof plate, the top ends of the left side and the right side of the display rack are fixedly connected with sleeves, and the sleeves are fixedly connected with the display rack. And contraction springs are arranged in the two sleeves correspondingly, the adjacent ends of the two contraction springs are fixedly connected to the middles of the top ends of the left side and the right side of the display rack correspondingly, and the ends, away from each other, of the two contraction springs are fixedly connected with sliding blocks correspondingly. According to the display device, the pull ring is pulled to enable the telescopic rod to push the check block to leave, after new content is put in, the pull ring is loosened to push the sliding block to drive the check block to reset and fix the new content, the effect of conveniently replacing the display content is achieved, the acrylic dustproof plate is matched to protect the display content, professional assistance is not needed, the replacement speed and convenience are improved, and the operation and maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of signboard, especially to an image signboard convenient for content replacement. BACKGROUND

[0002] The image signboard is a visual communication tool, which is used to show the image, name and key information of identification of a specific subject, and plays a role of identification, guidance and publicity. The outdoor image signboard is usually set on the outer facade of a building, a square or a roadside outdoor place, which can be seen from a long distance and plays a role of landmark and advertisement.

[0003] According to the search, the Chinese patent with the patent number CN219085611U belongs to the technical field of display devices, and specifically relates to a project image signboard convenient for content replacement. The project image signboard comprises a base frame and a clamping plate base. The upper portion of the base frame is provided with a signboard cabinet. The front portion of the signboard cabinet is provided with a cabinet door. The upper portion of the signboard cabinet is provided with a support column. The upper portion of the support column is provided with a baffle. The lower portion of the cabinet door is provided with a socket. The front portion of the cabinet door is provided with a sliding groove. The interior of the sliding groove is provided with a plug. The clamping plate base and the pressing plate are arranged, so that when the user replaces the project image signboard, the user first presses the pressing plate downward, so that the protruding portion of the pressing plate is separated from the concave portion of the clamping plate base, the second connecting rod connected with the spring is loosened, the clamp is separated from the bottom plate of the signboard cabinet, and the user can replace the project signboard, so that the operation is convenient and simple, and the use time is saved. However, the complex structure of the clamping plate base, the pressing plate, the spring, the connecting rod and the clamp leads to a complicated operation process. If the force direction is slightly deviated during the replacement of the content, the components may be stuck or damaged. In addition, due to the complex structure, the troubleshooting and maintenance are difficult, and the maintenance cost is increased. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides an image signboard convenient for content replacement, which aims at improving the problems in the prior art, i.e., too many components are used, the operation process is complicated, the components may be stuck or damaged if the force direction is slightly deviated during the replacement of the content, the troubleshooting and maintenance are difficult due to the complex structure, and the maintenance cost is increased.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a convenient replacement content's image signboard, including the exhibition stand, the top of exhibition stand is seted up with the mounting slot, the front side fixedly connected with the frame of exhibition stand, the front side fixedly connected with the acrylic dustproof board of frame, the left and right side top of exhibition stand is all fixedly connected with the sleeve, the inside of two sleeve is all provided with the contraction spring, the adjacent one end of two contraction springs is fixedly connected respectively in the left and right side top middle part of exhibition stand, the opposite one end of two contraction springs is all fixedly connected with the sliding block, two sliding blocks are slidably connected respectively in the inside of two sleeves, the adjacent one side middle part of two sliding blocks is all fixedly connected with the telescopic link, the adjacent one end of two telescopic links is fixedly connected with the stopper respectively and is passed through the left and right side of exhibition stand, the opposite side of two sliding blocks is all fixedly connected with the pull ring, the rear bottom of exhibition stand is provided with support angle adjusting mechanism.

[0006] Through the above technical scheme: by pulling the pull ring and driving the sliding block to move out and stretch the spring, the telescopic link pushes the stopper away, after putting in new content, the spring is released to make the telescopic link push the sliding block to drive the stopper to reset the new content, the effect that the display content is conveniently replaced is realized, the acrylic dustproof board protects the display content, without professional assistance, the replacement speed and convenience are improved, and the operation and maintenance cost is reduced.

[0007] As a further description of the above technical scheme:

[0008] The support angle adjusting mechanism includes two pivot ones, two pivot ones are fixedly connected at the left and right ends of the rear bottom of the exhibition stand, the rear sides of two pivot ones are fixedly connected with support bases, the bottom rear sides of two support bases are fixedly connected with pivot twos at the left and right ends, the tops of two pivot twos are fixedly connected with lower adjusting rods, the outer walls of two lower adjusting rods are slidably connected with upper adjusting rods, the outer wall front top of two lower adjusting rods is fixedly installed with spring buckles, the front sides of two upper adjusting rods are equally provided with a plurality of adjusting holes, the top front ends of two upper adjusting rods are fixedly connected with slide rods, and the rear top of the exhibition stand is provided with a folding storage assembly.

[0009] Through the above technical scheme: by pulling the upper adjusting rod along the lower adjusting rod and fixing the position through the spring buckle and the adjusting hole, the effect that the angle of the exhibition stand is flexibly adjusted is realized, the inclination angle of the exhibition stand can be adjusted as required, and the exhibition stand is adapted to multiple scenes.

[0010] As a further description of the above technical scheme:

[0011] The folding storage assembly includes two folding boxes, both of which are fixedly connected to the left and right ends of the top of the back of the display stand, both of which are provided with a sliding groove on the back, both of which are provided with a sliding rod inside the sliding groove, both of which are provided with a fixed bolt on the top, both of which are provided with a bolt hole on the top, and both of which are provided with a fixed bolt.

[0012] Through the above technical solution: two fixed bolts are screwed into the bolt holes on the top of the upper adjusting rod, and the fastening force of the threaded connection makes the connection between the upper adjusting rod and the folding box more stable, thereby indirectly enhancing the stability of the entire support structure and the display stand.

[0013] As a further description of the above technical solution:

[0014] The inside of the frame is fixedly connected with adjusting lamps, and the light colors of the adjusting lamps are adjustable.

[0015] Through the above technical solution: the adjusting lamps provide adjustable color light effects in the frame, and the light color can be flexibly changed according to the display content, environmental atmosphere or specific needs, highlighting the display focus, creating a more display content-matching atmosphere, attracting the attention of the audience and improving the display effect.

[0016] As a further description of the above technical solution:

[0017] The right middle of the display stand is fixedly connected with a handle, and the outside of the handle adopts a frosted process.

[0018] Through the above technical solution: the handle adopts a frosted process, which increases the friction between the hand and the handle, so that the operator can exert force more stably and comfortably when holding the handle, thereby more easily carrying or moving the display stand to the appropriate position.

[0019] As a further description of the above technical solution:

[0020] The bottom four corners of the support base are fixedly connected with anti-skid pads, and the bottoms of the anti-skid pads are designed to be anti-skid.

[0021] Through the above technical solution: the anti-skid pads can enhance the stability of the support base, and the anti-skid design can effectively increase the friction between the support base and the placement plane, preventing the display stand from sliding or moving due to accidental collision, uneven ground or other external factors during placement.

[0022] As a further description of the above technical solution:

[0023] The inside of the support base is fixedly connected with two support rods, and the two support rods adopt a cross design.

[0024] Through the technical scheme, the two cross-designed supporting rods form a stable supporting structure inside the supporting base, which can better disperse and bear the weight of the display stand and the display content, and reduce the risk of deformation or damage of the supporting base due to uneven stress.

[0025] Further description of the technical scheme is as follows:

[0026] The rear top of the display stand is provided with a grabbing groove, and the top of the grabbing groove is designed in a smooth manner.

[0027] Through the technical scheme, the grabbing groove can quickly take out the display content in the mounting groove. Since the display content is completely inserted into the mounting groove, the grabbing groove can conveniently extract the display content from the rear.

[0028] The utility model has the advantages of the following beneficial effects:

[0029] 1. In the utility model, the pulling ring is pulled to drive the sliding block to move outward and stretch the spring, the telescopic rod pushes the blocking block to move away, the spring is released after the new content is put in, the sliding block is pushed to drive the blocking block to reset and fix the new content, the effect of convenient replacement of the display content is realized, the display content is protected by the acrylic dustproof plate, professional assistance is not required, the replacement speed and convenience are improved, and the operation and maintenance cost is reduced.

[0030] 2. In the utility model, the upper adjusting rod is pulled to slide along the lower adjusting rod and is fixed in position through the spring buckle and the adjusting hole, or the sliding rod is slid in the sliding groove of the folding box, the fixing bolt and the bolt hole are fastened to enhance the stability, the effect of flexible adjustment of the display stand angle and convenient storage of the display stand is realized, the sliding, clamping and threaded fastening mode can be used to adjust the inclination angle of the display stand as required, the display stand can also be stored and displayed, the display stand is flexible, stable and reliable to use, and is suitable for multiple scene display. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A perspective view of the image signboard with convenient content replacement is provided for the utility model;

[0032] Figure 2 A storage schematic view of the image signboard with convenient content replacement is provided for the utility model;

[0033] Figure 3 An internal structure schematic view of the folding box in the image signboard with convenient content replacement is provided for the utility model;

[0034] Figure 4 A structure schematic view of the upper adjusting rod in the image signboard with convenient content replacement is provided for the utility model;

[0035] Figure 5 is a front view of the image signboard with convenient content replacement according to the present application;

[0036] Figure 6 is a partial structure schematic view of the image signboard with convenient content replacement according to the present application;

[0037] Figure 7 is an internal structure schematic view of the sleeve of the image signboard with convenient content replacement according to the present application.

[0038] Legend:

[0039] 1, display stand; 2, support angle adjusting mechanism; 201, pivot one; 202, support base; 203, pivot two; 204, lower adjusting rod; 205, upper adjusting rod; 206, spring buckle; 207, adjusting hole; 208, sliding rod; 3, mounting groove; 4, frame; 5, acrylic dustproof plate; 6, sleeve; 7, contraction spring; 8, sliding block; 9, telescopic rod; 10, stop block; 11, pull ring; 12, folding box; 13, sliding groove; 14, fixing bolt; 15, bolt hole; 16, adjusting lamp; 17, handle; 18, non-slip pad; 19, support rod; 20, grabbing groove. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0041] Reference Figure 1 , Figure 5 and Figure 7The utility model provides an embodiment: a kind of image signboard of convenient replacement content, including exhibition stand 1, the top of exhibition stand 1 is equipped with installation slot 3, can be used to place display content, it is convenient to show and replace the display of information, the front side of exhibition stand 1 is fixedly connected with frame 4, can play the protection and decoration effect to display content, make overall appearance more beautiful, the front side of frame 4 is fixedly connected with acrylic dustproof plate 5, effectively prevent dust and other impurities from being attached on display content, keep the cleanness and definition of display content, the left and right side top of exhibition stand 1 is fixedly connected with sleeve 6, provide installation base and support structure for internal component, ensure that relevant components operate stably, the inside of two sleeves 6 is provided with contraction spring 7, can provide elastic force, so that relevant components can be automatically reset after operation, the adjacent one end of two contraction springs 7 is respectively fixedly connected in the left and right side top middle part of exhibition stand 1, the opposite end of two contraction springs 7 is fixedly connected with sliding block 8, sliding block 8 is moved by the telescopic drive of contraction spring 7, to realize the drive to other components, two sliding blocks 8 are respectively slidably connected in the inside of two sleeves 6, guarantee the stability and directionality of sliding block 8 movement, the adjacent one side middle part of two sliding blocks 8 is fixedly connected with telescopic link 9, can transmit power and adapt to different space demand, the adjacent one end of two telescopic links 9 is respectively fixedly connected with stop block 10 and is fixedly connected in the left and right side of exhibition stand 1, stop block 10 can fix display content, prevent its displacement in display process, the opposite side of two sliding blocks 8 is fixedly connected with pull ring 11, convenient for operator to pull sliding block 8, it is convenient to carry out the replacement operation of display content, the rear side bottom of exhibition stand 1 is provided with support angle adjusting mechanism 2, can flexibly adjust the angle of exhibition stand 1 according to actual demand, to adapt to different display environment and viewing angle of sight;

[0042] Specifically, in the initial state, the contraction spring 7 is in a natural extension or slightly compressed state, its two ends are connected with the middle part of the top end of the left and right sides of the display stand 1 and the sliding block 8 respectively, providing an inward elastic tension for the entire device. At this time, the telescopic rod 9 is in a suitable position inside the display stand 1 under the action of the contraction spring 7, so as to fix the display content placed in the mounting slot 3 of the display stand 1. When it is necessary to replace the display content, the operator holds the pull ring 11 and pulls it outward. Since the pull ring 11 is fixedly connected with the sliding block 8, pulling the pull ring 11 outward will make the sliding block 8 slide outward along the axial direction of the sleeve 6 in the sleeve 6. In this process, the contraction spring 7 is further stretched, and the stored elastic potential energy gradually increases. With the outward movement of the sliding block 8, the telescopic rod 9 fixedly connected with it also moves outward, thereby driving the stop block 10 to move away from the original position of fixing the display content, thereby releasing the restriction on the display content. At this time, the operator can conveniently take out the old display content from the mounting slot 3 at the top of the display stand 1, and then place the new display content into the mounting slot 3. After the placement of the new content is completed, the operator releases the pull ring 11. Under the action of the elastic restoring force of the contraction spring 7, the sliding block 8 slides inward along the sleeve 6 to return to the original position, and at the same time, the telescopic rod 9 and the stop block 10 also move inward. Until the stop block 10 again abuts against the newly placed display content, it is firmly fixed in the mounting slot 3 of the display stand 1. The acrylic dustproof plate 5 is fixed on the front side of the frame 4, which can effectively prevent dust and other impurities from entering the inside of the display stand 1, and protect the display content. At the same time, it does not affect the display effect of the display content. The entire replacement process is simple and convenient, and does not need to rely on professional tools or professional personnel. Ordinary workers can easily complete it, greatly improving the speed and convenience of content replacement, effectively reducing the operation and maintenance cost, and can be widely used in various scenes that need to frequently replace the display content.

[0043] Reference Figures 1-4The support angle adjusting mechanism 2 comprises two pivot shafts 201, which are fixedly connected to the left and right ends of the rear bottom of the display stand 1, so that the display stand 1 can be adjusted in angle with the pivot shafts 201 as the axis, realizing the preliminary setting of the display angle. The rear sides of the two pivot shafts 201 are fixedly connected with support bases 202, which provide a stable support foundation for the entire display stand 1, ensuring the stability of the display stand 1 during use. The bottom rear sides of the two support bases 202 are fixedly connected with pivot shafts 203, which provide connection points for the rotation of the lower adjusting rods 204, facilitating the rotation of the lower adjusting rods 204. The tops of the two pivot shafts 203 are fixedly connected with lower adjusting rods 204, which can change the height and inclination angle of the display stand 1 through rotation and sliding, to adapt to different display needs. The outer walls of the two lower adjusting rods 204 are slidingly connected with upper adjusting rods 205, which realize more precise height and angle adjustment through the relative sliding of the upper adjusting rods 205 and the lower adjusting rods 204, expanding the adjustable range of the display stand 1. The outer walls of the two lower adjusting rods 204 are fixedly installed with spring buckles 206 on the top of the front side, which can cooperate with the adjusting holes 207 of the upper adjusting rods 205 to fix the relative position of the upper adjusting rods 205 and the lower adjusting rods 204, ensuring the stability of the display stand 1 at the adjusted angle. The front sides of the two upper adjusting rods 205 are equally provided with a plurality of adjusting holes 207, which work together with the spring buckles 206 to provide multiple fixed position options, facilitating users to accurately adjust the angle of the display stand 1 according to actual conditions. The top front ends of the two upper adjusting rods 205 are fixedly connected with slide rods 208, which provide components for connection with the folding storage assembly, making the angle adjustment and folding storage functions of the display stand 1 interrelated. The rear top of the display stand 1 is provided with a folding storage assembly, which comprises two folding boxes 12 fixedly connected to the left and right ends of the rear top of the display stand 1 as the main part of the folding storage structure, providing mounting positions for the slide rods 208 and assisting the folding action of the display stand 1. The rear sides of the two folding boxes 12 are provided with sliding grooves 13, and the two slide rods 208 are slidingly connected inside the two sliding grooves 13, so that the slide rods 208 can smoothly slide in the sliding grooves 13, thereby driving the display stand 1 to realize folding and unfolding, facilitating the storage and use of the display stand 1. The tops of the two folding boxes 12 are threadedly connected with fixed bolts 14, and the tops of the two upper adjusting rods 205 are provided with bolt holes 15. The two fixed bolts 14 are threadedly connected with the two bolt holes 15, firmly fixing the upper adjusting rods 205 and the folding boxes 12 after the display stand 1 is unfolded, further enhancing the stability of the display stand 1 and preventing structural loosening or deformation due to accidental circumstances during use.

[0044] Specifically, two rotating shafts 201 are stably fixed at the left and right ends of the rear bottom of the display stand 1, providing the basic connection points for the entire adjusting structure. The support base 202 connected to the rear side thereof plays a role in stable support. The rotating shafts 201 at the left and right ends of the rear bottom of the support base 202 are the key parts for connecting the lower adjusting rod 204, so that the lower adjusting rod 204 can rotate within a certain range around the rotating shafts 201. The sliding connection between the lower adjusting rod 204 and the upper adjusting rod 205 can adjust the height and inclination angle of the display stand 1 by changing the relative positions of the two. When the angle needs to be adjusted, the operator can pull the upper adjusting rod 205 up and down along the outer wall of the lower adjusting rod 204 according to the actual needs. After determining the appropriate position, the position is fixed by the cooperation of the spring buckle 206 and the multiple adjusting holes 207 equally spaced on the front side of the upper adjusting rod 205. The spring buckle 206 can be clamped into the corresponding adjusting hole 207, thereby limiting the relative sliding of the upper adjusting rod 205 and the lower adjusting rod 204, ensuring that the display stand 1 remains stable at the adjusted angle. The slide rod 208 at the top front end of the upper adjusting rod 205 is closely connected to the folding storage assembly. In the folding storage assembly, two folding boxes 12 are fixed at the left and right ends of the top rear side of the display stand 1. The slide grooves 13 provided therein provide a sliding track for the slide rod 208. When the display stand 1 needs to be stored or unfolded, the slide rod 208 slides in the slide groove 13, driving the upper adjusting rod 205 and the entire support structure to fold or unfold accordingly. After the angle adjustment and position determination of the display stand 1 are completed, in order to further ensure the stability of the structure, the fixed bolts 14 at the top of the two folding boxes 12 are screwed into the bolt holes 15 provided at the top of the upper adjusting rod 205. The fastening force of the threaded connection makes the connection between the upper adjusting rod 205 and the folding boxes 12 more stable, thereby indirectly enhancing the stability of the entire support structure and the display stand 1. Whether it is angle adjustment in daily use or storage and unfolding operation in special situations, the support angle adjusting mechanism 2 and the folding storage assembly can cooperate with each other to provide a flexible and stable use mode for the image sign, meeting the display needs in different scenarios.

[0045] Referring to Figure 1 , Figure 2 and Figure 6The inside of the frame 4 is fixedly connected with the adjusting lamp 16 around, the light color of the plurality of adjusting lamps 16 is adjustable mode, can be according to different display content or environmental atmosphere needs, flexible change light color, thereby enhance the display effect, attract the attention of the audience, the right middle part of the display stand 1 is fixedly connected with the handle 17, the outside of the handle 17 adopts frosting process, the frosting process increases the friction between hand and handle 17, it is convenient for user to hold the handle 17 more stably and comfortably, it is convenient to move the display stand 1, the bottom four corners of the supporting base 202 are fixedly connected with the anti-skid pad 18, the bottom of the plurality of anti-skid pads 18 adopts anti-skid design, the anti-skid design effectively increases the friction between the supporting base 202 and the placing plane, can prevent the display stand 1 from easily sliding or displacement when placing due to external force, guarantee the stability of the display stand 1, the inside of the supporting base 202 is fixedly connected with two supporting rods 19, two supporting rods 19 adopt cross design, the two supporting rods 19 of cross design can strengthen the internal structural strength of the supporting base 202, better disperses and carries the weight of the display stand 1 and display content, improves the reliability and durability of the display stand 1 as a whole, the rear top of the display stand 1 is provided with the grabbing groove 20, the top of the grabbing groove 20 adopts smooth design, the smooth design avoids the scratch or injury to the hands of the operator in the process of grabbing, the grabbing groove 20 is convenient for the operator to extract the display content;

[0046] Specifically, the adjusting lamp 16 provides adjustable color light effect in the frame 4, can flexibly change the light color according to the display content, environmental atmosphere or specific needs, highlight the display focus, create a more suitable atmosphere for the display content, attract the attention of the audience and improve the display effect, the handle 17 outside adopts frosting process, increases the friction between hand and handle 17, so that the operator can hold the handle 17 more stably and comfortably when exerting force, so that the display stand 1 can be more easily carried or moved to the appropriate position, the anti-skid pad 18 can enhance the stability of the supporting base 202, and the anti-skid design can effectively increase the friction between the placing plane and the supporting base 202, prevent the display stand 1 from sliding or displacement during placement due to accidental collision, uneven ground or other external factors, the supporting rod 19 is used to strengthen the structural strength of the supporting base 202, two supporting rods 19 adopting cross design form a stable support structure inside the supporting base 202, can better disperse and bear the weight of the display stand 1 and display content, reduce the risk of deformation or damage of the supporting base 202 due to uneven stress, the grabbing groove 20 can quickly take out the display content in the mounting groove 3, since the display content is completely inserted into the mounting groove 3, the grabbing groove 20 can conveniently extract the display content from the rear.

[0047] Working principle: in the initial state, the contraction spring 7 is in a natural stretch or slightly compressed state, and its two ends are connected with the middle part of the top end of the left and right sides of the display stand 1 and the sliding block 8 respectively, providing elastic tension to the whole device. At this time, the telescopic rod 9 is in the appropriate position inside the display stand 1 under the action of the contraction spring 7, so as to fix the display content placed in the installation slot 3 of the display stand 1. When it is necessary to replace the display content, the operator holds the pull ring 11 and pulls it outward. Since the pull ring 11 is fixedly connected with the sliding block 8, pulling the pull ring 11 outward will make the sliding block 8 slide outward along the axis of the sleeve 6. In this process, the contraction spring 7 is further stretched, and the stored elastic potential energy gradually increases. With the outward movement of the sliding block 8, the telescopic rod 9 fixedly connected with it also moves outward, thereby driving the stop block 10 to move away from the original position of fixing the display content, and releasing the restriction on the display content. At this time, the operator can conveniently take out the old display content from the installation slot 3 at the top of the display stand 1, and then place the new display content into the installation slot 3. After the placement of the new content is completed, the operator releases the pull ring 11. Under the action of the elastic restoring force of the contraction spring 7, the sliding block 8 slides inward along the sleeve 6 and returns to the original position. At the same time, the telescopic rod 9 and the stop block 10 also move inward, and the stop block 10 again abuts against the newly placed display content, so as to firmly fix the display content in the installation slot 3 of the display stand 1. The acrylic dustproof plate 5 is fixed on the front side of the frame 4, which can effectively prevent dust and other impurities from entering the inside of the display stand 1, and plays a protective role on the display content.

[0048] And, two rotating shafts 201 are respectively fixed stably at the left and right ends of the bottom of the rear side of the display stand 1, providing the basic connection points for the whole adjusting structure, and the support bases 202 connected at the rear side thereof play the role of stable support, and the rotating shafts 201 at the left and right ends of the bottom of the rear side of the support bases 202 are the key parts of the lower adjusting rods 204, so that the lower adjusting rods 204 can rotate within a certain range around the rotating shafts 201, and the sliding connection between the lower adjusting rods 204 and the upper adjusting rods 205 can adjust the height and the inclination angle of the display stand 1 by changing the relative positions thereof, when the angle needs to be adjusted, the operator can pull the upper adjusting rods 205 to slide up and down along the outer wall of the lower adjusting rods 204 according to the actual demand, and after the appropriate position is determined, the position is fixed through the cooperation of the spring buckles 206 and the plurality of adjusting holes 207 equidistantly opened at the front side of the upper adjusting rods 205, the spring buckles 206 can be clamped into the corresponding adjusting holes 207, so as to limit the relative sliding of the upper adjusting rods 205 and the lower adjusting rods 204, and ensure that the display stand 1 is stable at the adjusted angle, and the slide rods 208 at the top front ends of the upper adjusting rods 205 are closely connected with the folding storage assembly, in the folding storage assembly, the two folding boxes 12 are respectively fixed at the left and right ends of the top of the rear side of the display stand 1, and the slide grooves 13 opened in the folding boxes 12 provide the slide rods 208 with the sliding tracks, when the display stand 1 needs to be stored or unfolded, the slide rods 208 slide in the slide grooves 13, driving the upper adjusting rods 205 and the whole support structure to perform the corresponding folding or unfolding movement, after the angle adjustment and position determination of the display stand 1 are completed, in order to further ensure the stability of the structure, the fixed bolts 14 at the top of the two folding boxes 12 are screwed into the bolt holes 15 opened at the top of the upper adjusting rods 205, and the fastening force of the threaded connection makes the connection between the upper adjusting rods 205 and the folding boxes 12 more stable, thereby indirectly enhancing the stability of the whole support structure and the display stand 1.

[0049] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included in the protection scope of the present application.

Claims

1. A visual signboard with easily changeable content, comprising a display stand (1), characterized in that: The top of the display stand (1) is provided with an installation groove (3). A frame (4) is fixedly connected to the front side of the display stand (1). An acrylic dustproof plate (5) is fixedly connected to the front side of the frame (4). Sleeves (6) are fixedly connected to the top of the left and right sides of the display stand (1). A contraction spring (7) is provided inside the two sleeves (6). The adjacent ends of the two contraction springs (7) are fixedly connected to the middle of the top of the left and right sides of the display stand (1). Sliding blocks (8) are fixedly connected to the opposite ends of the two contraction springs (7). The two sliding blocks (8) are slidably connected inside the two sleeves (6). Telescopic rods (9) are fixedly connected to the middle of the adjacent side of the two sliding blocks (8). The adjacent ends of the two telescopic rods (9) pass through the left and right sides of the display stand (1) and are fixedly connected to a stop block (10). Pull rings (11) are fixedly connected to the opposite sides of the two sliding blocks (8). A bracket angle adjustment mechanism (2) is provided at the bottom of the rear side of the display stand (1).

2. The image signboard with easily changeable content according to claim 1, characterized in that: The bracket angle adjustment mechanism (2) includes two pivot shafts (201). The two pivot shafts (201) are fixedly connected to the left and right ends of the bottom rear side of the display rack (1). Support bases (202) are fixedly connected to the rear side of the two pivot shafts (201). The left and right ends of the bottom rear side of the two support bases (202) are fixedly connected to pivot shafts (203). The top of the two pivot shafts (203) are fixedly connected to lower adjustment rods (204). The outer walls of the two lower adjustment rods (204) are slidably connected to upper adjustment rods (205). The top front side of the outer wall of the two lower adjustment rods (204) is fixedly installed with spring buckles (206). The front side of the two upper adjustment rods (205) is provided with multiple adjustment holes (207) at equal intervals. The front end of the top of the two upper adjustment rods (205) is fixedly connected to a slide rod (208). The top rear side of the display rack (1) is provided with a folding storage component.

3. The image signboard with easily changeable content according to claim 2, characterized in that: The folding storage assembly includes two folding boxes (12), which are fixedly connected to the left and right ends of the rear top of the display stand (1). Each of the two folding boxes (12) has a sliding groove (13) on its rear side. The two sliding rods (208) are slidably connected inside the two sliding grooves (13). The top of each of the two folding boxes (12) is threaded with a fixing bolt (14). The top of each of the two upper adjusting rods (205) is threaded with a bolt hole (15). The two fixing bolts (14) are threadedly connected to the two bolt holes (15).

4. The image signboard with easily changeable content according to claim 1, characterized in that: Adjustable lights (16) are fixedly connected to the inside of the frame (4) on all four sides, and the light color of the multiple adjustable lights (16) is adjustable.

5. The image signboard with easily changeable content according to claim 1, characterized in that: A handle (17) is fixedly connected to the middle right side of the display stand (1), and the outside of the handle (17) is frosted.

6. The image signboard with easily changeable content according to claim 2, characterized in that: Anti-slip pads (18) are fixedly connected to the four corners of the bottom of the support base (202), and the bottoms of the multiple anti-slip pads (18) are all designed to be anti-slip.

7. A visual signboard with easily changeable content according to claim 2, characterized in that: The support base (202) has two fixed connections inside, and the two support rods (19) are designed to cross each other.

8. The image signboard with easily changeable content according to claim 1, characterized in that: The top rear side of the display stand (1) is provided with a gripping groove (20), and the top of the gripping groove (20) is designed with a smooth surface.

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