CN218001011U - Multimedia demonstration board - Google Patents

Abstract

The application discloses a multimedia demonstration board, which comprises a demonstration flat plate; the bottom end of the back side of the demonstration flat plate is provided with a back support rod, and the top end of the back support rod is fixed with a rotating sleeve. Rotatable formula design through rotating sleeve pipe and supporting screw, the dull and stereotyped angle of placing of convenient adjustment demonstration, threaded connection through adjusting screw and connecting plate, the dull and stereotyped height of convenient adjustment demonstration, thereby it is more comprehensive to make the dull and stereotyped adjustment of demonstration when using, the dull and stereotyped suitability of demonstration has been guaranteed, carry out the auxiliary stay to bottom vaulting pole bottom through bottom even board and backup pad, it is more stable to make the dull and stereotyped support when using of demonstration, the slope that leads to after avoiding demonstrating dull and stereotyped angle of adjustment, and it is spacing through the carriage release lever cooperation, guarantee the dull and stereotyped stability when reciprocating of demonstration, after the removal is accomplished, can with connect the bottom plate rotate back bottom vaulting pole side can, convenience when the dull and stereotyped use of demonstration has been improved.

Description

Multimedia demonstration board

Technical Field

The application relates to a demonstration board, in particular to a multimedia demonstration board.

Background

The multimedia refers to a man-machine interactive information communication and transmission medium combining two or more media, the used media include characters, pictures, photos, sounds, animations and films, and the interactive function provided by programs, the multimedia technology is that a computer is used to digitalize the media information such as character materials, image data, audio and video, etc., and integrate the media information onto an interactive interface, so that the computer has the capability of interactively showing different media forms, and when the multimedia is used, the picture needs to be shown through an electronic demonstration screen panel.

When the electronic demonstration board is used, the angle and the height of the demonstration board can be adjusted according to the light and the range of the orientation surface of the display according to the needs of the display surface and the use environment before use, the traditional demonstration board has single function, only can be adjusted in angle or height, cannot meet the needs of height or angle adjustment at the same time, and greatly reduces the applicability of the demonstration board. Therefore, a multimedia demonstration board is proposed to solve the above problems.

Disclosure of Invention

The embodiment provides a multimedia demonstration board for solving the problem that the height and angle of the multimedia demonstration board in the prior art are inconvenient to adjust when the multimedia demonstration board is used.

According to one aspect of the present application, there is provided a multimedia presentation board comprising a presentation tablet; the utility model discloses a demonstration dull and stereotyped back side, including demonstration dull and stereotyped back side bottom, back vaulting pole, connecting block, adjusting screw, bottom vaulting pole, bottom supporting pole, back vaulting pole top is all fixed with the rotation sleeve pipe, two the support screw has been cup jointed all to rotate the inside support screw that has all rotated of rotation sleeve pipe, and the support screw both ends all are fixed with the connecting block, every the connecting block is all fixed on demonstration dull and stereotyped back wall, every the support screw of rotation sleeve pipe side all threads is equipped with the rotation clamp splice, back vaulting pole bottom symmetry is provided with bottom vaulting pole, two the top is fixed with the connecting plate between the bottom vaulting pole, back vaulting pole bottom central point puts the department and is connected with adjusting screw through the bearing rotation, and adjusting screw and the threaded connection of connecting plate, two bottom vaulting pole bottom all is provided with supplementary bearing structure, be provided with reinforced structure on the bottom vaulting pole.

Furthermore, reinforced structure includes bottom even board and rotor plate, the back of the body vaulting pole bottom end is symmetrical to be fixed with the carriage release lever, and inside the carriage release lever all slided to insert and establish to the bottom vaulting pole, two keep away from the dull and stereotyped one end height of demonstration between the bottom vaulting pole has the bottom even board, and the bottom even board front and back side all symmetry is fixed with the backup pad.

Furthermore, the auxiliary supporting structure comprises a rotating plate, a fixed rod, idler wheels, limiting blocks and limiting rods, wherein the rotating plate is arranged on the front side and the rear side of the bottom end of each bottom supporting rod, each rotating plate is rotatably sleeved on the fixed rod, the inner end of the fixed rod is fixedly arranged on the bottom supporting rod, one end, far away from the bottom supporting rod, of each rotating plate is fixedly provided with a connecting bottom plate, one side, far away from the rotating plate, of each connecting bottom plate is symmetrically and fixedly provided with the idler wheels, one front end and rear end, near the bottom connecting plate, of each bottom supporting rod is fixedly provided with the limiting blocks, one side, far away from the bottom connecting plate, of each bottom supporting rod is fixedly provided with the fixing plates, the limiting rods are symmetrically and slidably arranged inside the fixing plates, and springs are symmetrically and fixedly arranged between each limiting rod and the fixing plates.

Furthermore, the back support rod is arranged to be U-shaped and matched with the rear side of the demonstration flat plate, and the length of each support screw is larger than the sum of the lengths of the rotary sleeve and the rotary clamping block.

Furthermore, two the bottom vaulting pole top is inside all to be seted up with carriage release lever complex movable groove, every the height of carriage release lever and movable groove all is greater than adjusting screw's height.

Furthermore, the height of the bottom stay bar is greater than that of the adjusting screw rod, a knob is fixed at one end of the adjusting screw rod extending to the lower portion of the connecting plate, and a plurality of handles are fixed on the knob at equal intervals.

Furthermore, every the dead lever all sets up to "T" font of transversely placing, every the rotating plate is inside all to be seted up with dead lever complex rotation through-hole.

Further, the width of the two fixing plates is equal to that of the bottom support rod, and the distance between each fixing rod and the connecting bottom plate is larger than the distance between each fixing rod and the bottom end of the bottom support rod.

Furthermore, each fixed plate is internally and symmetrically provided with sliding grooves matched with the limiting rods, and the length between the limiting rods and the limiting blocks is equal to that of the rotating plate at one end.

Furthermore, each gag lever post all sets up to horizontal "L" shape of placing, every the gag lever post is close to the one end of rotor plate and all sets up to the arc.

Through the above-mentioned embodiment of this application, adopted the dual structure of adjusting, through rotating sleeve pipe and supporting screw cooperation, conveniently adjust the dull and stereotyped angle of demonstration, through connecting plate and adjusting screw, conveniently adjust the height of demonstration flat board to in the use of adaptation demonstration flat board under different scenes, solved current multimedia demonstration board highly when using and the comparatively inconvenient problem of angle modulation, great improvement demonstration board's suitability.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic structural rear view of an embodiment of the present application;

FIG. 3 is a schematic sectional front view of a portion of an embodiment of the present application;

FIG. 4 is a schematic top view cross-section of a portion of an embodiment of the present application.

In the figure: 1. a demonstration flat plate; 2. a back stay; 3. rotating the sleeve; 4. a support screw; 5. connecting blocks; 6. rotating the clamping block; 7. a travel bar; 8. a bottom stay bar; 9. a connecting plate; 10. adjusting the screw rod; 11. a knob; 12. a bottom connecting plate; 13. a support plate; 14. a rotating plate; 15. fixing the rod; 16. connecting the bottom plate; 17. a roller; 18. a movable groove; 19. a limiting block; 20. a fixing plate; 21. a limiting rod; 22. a spring.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, 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, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-4, a multimedia demonstration board comprises a demonstration plate 1; the demonstration plate comprises a demonstration plate 1, and is characterized in that a back support rod 2 is arranged at the bottom end of the back side of the demonstration plate 1, rotary sleeves 3 are fixed at the top ends of the back support rods 2, support screws 4 are rotatably sleeved inside the two rotary sleeves 3, connecting blocks 5 are fixed at the two ends of the support screws 4, each connecting block 5 is fixed on the back wall of the demonstration plate 1, a rotary clamping block 6 is arranged on each support screw 4 on the side of each rotary sleeve 3 in a threaded manner, bottom support rods 8 are symmetrically arranged at the bottom ends of the back support rods 2, a connecting plate 9 is fixed at the top end between the two bottom support rods 8, an adjusting screw 10 is rotatably connected at the central position of the bottom end of the back support rod 2 through a bearing and is in threaded connection with the connecting plate 9, auxiliary support structures are arranged at the bottom ends of the two bottom support rods 8, a reinforcing structure is arranged on each bottom support rod 8, the angle and the height of the demonstration plate 1 can be conveniently adjusted, and the applicability of the demonstration plate can be guaranteed;

the reinforcing structure comprises a bottom connecting plate 12 and a rotating plate 14, moving rods 7 are symmetrically fixed at the bottom end of a back support rod 2, the moving rods 7 are all inserted into the bottom support rods 8 in a sliding mode, the bottom connecting plate 12 is arranged at the height of one end, far away from the demonstration flat plate 1, between the two bottom support rods 8, of the bottom connecting plate 12, supporting plates 13 are symmetrically fixed on the front side and the rear side of the bottom connecting plate 12, the bottom connecting plate 12 is supported in an auxiliary mode through the supporting plates 13, the supporting stability of the whole bottom support rods 8 is guaranteed, when an adjusting screw rod 10 moves up and down, the moving rods 7 are driven to move inside a movable groove 18, and the stability of the demonstration flat plate 1 during moving is also guaranteed; the auxiliary supporting structure comprises rotating plates 14, a fixing rod 15, rollers 17, limiting blocks 19 and limiting rods 21, the rotating plates 14 are arranged on the front side and the rear side of the bottom ends of two bottom support rods 8, each rotating plate 14 is rotatably sleeved on the fixing rod 15, the inner ends of the fixing rods 15 are fixed on the bottom support rods 8, one ends of the rotating plates 14, far away from the bottom support rods 8, are fixed with connecting bottom plates 16, one sides of the two connecting bottom plates 16, far away from the rotating plates 14, are symmetrically fixed with the rollers 17, the front end and the rear end of one side, close to the bottom connecting plate 12, of each bottom support rod 8 are fixed with limiting blocks 19, one side, far away from the bottom connecting plate 12, of each bottom support rod 8 is fixed with a fixing plate 20, the limiting rods 21 are symmetrically arranged in the fixing plates 20 in a sliding mode, springs 22 are symmetrically fixed between each limiting rod 21 and the inside the fixing plate 20, the demonstration plate is convenient to move, and after the movement is completed, the rollers 17 are convenient to retract;

the back stay bar 2 is in a U shape matched with the rear side of the demonstration plate 1, the length of each support screw 4 is larger than the sum of the lengths of the rotary sleeve 3 and the rotary clamping block 6, the back stay bar 2 is convenient to support the demonstration plate 1, and the rotary sleeve 3 and the rotary clamping block 6 can move on the support screws 4; the top ends of the two bottom support rods 8 are internally provided with movable grooves 18 matched with the movable rods 7, the height of each movable rod 7 and the height of each movable groove 18 are larger than the height of the adjusting screw 10, and the movable rods 7 are prevented from being separated from the bottom support rods 8 in the process that the adjusting screw 10 drives the demonstration flat plate 1 to move; the height of the bottom stay bar 8 is greater than that of the adjusting screw 10, one end of the adjusting screw 10, which extends to the lower part of the connecting plate 9, is fixed with a knob 11, a plurality of grips are fixed on the knob 11 at equal intervals, and the adjusting screw 10 can be conveniently rotated through the knob 11; each fixing rod 15 is transversely arranged in a T shape, a rotating through hole matched with the fixing rod 15 is formed in each rotating plate 14, so that the rotating plates 14 are prevented from being separated from the fixing rods 15, and the fixing rods 15 can conveniently rotate in the bottom support rods 8; the width of the two fixed plates 20 is equal to that of the bottom stay bar 8, and the distance between each fixed rod 15 and the connecting bottom plate 16 is larger than the distance between each fixed rod 15 and the bottom end of the bottom stay bar 8, so that the fixed plates 20 are prevented from influencing the rotation of the rotating plate 14, and the rotating plate 14 can be ensured to rotate to the side edge and the bottom end of the bottom stay bar 8; sliding grooves matched with the limiting rods 21 are symmetrically formed in each fixing plate 20, the length between each limiting rod 21 and each limiting block 19 is equal to the length of the rotating plate 14, so that the limiting rods 21 can conveniently slide in the fixing plates 20, and the rotating plates 14 can be clamped between the limiting blocks 19 and the limiting rods 21; every gag lever post 21 all sets up to "L" shape of transversely placing, and the one end that every gag lever post 21 is close to rotor plate 14 all sets up to the arc, avoids gag lever post 21 to shift out fixed plate 20, and makes things convenient for rotor plate 14 extrusion gag lever post 21.

When the demonstration device is used, when the height of a demonstration panel 1 needs to be adjusted, a knob 11 is rotated to drive an adjusting screw rod 10 to rotate, the demonstration panel 1 can be driven to move up and down under the action of threads, and meanwhile, moving rods 7 on two sides are driven to move inside a moving groove 18, so that the height of the demonstration panel 1 can be adjusted, when the angle of the demonstration panel 1 needs to be adjusted, rotating clamping blocks 6 on two sides are screwed, so that the clamping fixing of the rotating clamping blocks 6 on a rotating sleeve 3 of a connecting block 5 is released, the demonstration panel 1 can be rotated, a supporting screw rod 4 is driven to rotate inside the rotating sleeve 3, the angle of the demonstration panel 1 is adjusted, after the adjustment is completed, the rotating clamping blocks 6 are screwed to clamp and fix the rotating sleeve 3, when the demonstration panel 1 is moved, the demonstration panel 1 is supported, connecting bottom plates 16 on two sides are stepped downwards, and the demonstration panel 1 is pulled upwards at the same time, the bottom support rod 8 and the rotating plate 14 are driven to rotate relatively, the connecting bottom plate 16 can be made to rotate to be located at the bottom end of the bottom support rod 8, the rotating plate 14 extrudes the limiting rod 21 when rotating, the limiting rod 21 compresses the spring 22 to move into the fixed plate 20, the rotating plate 14 can be abutted to the limiting block 19 after crossing the limiting rod 21, at the moment, the limiting rod 21 moves back to the side edge of the rotating plate 14 under the pushing of the spring 22, the rotating plate 14 can be limited, meanwhile, the idler wheel 17 is located below the bottom support rod 8, the demonstration panel 1 is convenient to move, after the movement is completed, the connecting bottom plate 16 is pushed to two sides, the connecting bottom plate 16 extrudes the limiting rod 21 again and rotates to the side edge of the bottom support rod 8 after crossing the limiting rod 21, and electric appliance elements appearing in the application are all externally connected with a power supply and a control switch when in use.

The application has the advantages that:

1. the operation is simple, the placement angle of the demonstration plate 1 can be conveniently adjusted through the rotatable design of the rotating sleeve 3 and the supporting screw rod 4, the height of the demonstration plate 1 can be conveniently adjusted through the threaded connection of the adjusting screw rod 10 and the connecting plate 9, so that the demonstration plate 1 can be more comprehensively adjusted during use, and the applicability of the demonstration plate 1 is ensured;

2. the demonstration platform is reasonable in structure, the bottom end of the bottom support rod 8 is supported in an auxiliary mode through the bottom connecting plate 12 and the support plate 13, so that the demonstration platform 1 is more stable in support when in use, inclination caused by angle adjustment of the demonstration platform 1 is avoided, and the demonstration platform 1 is matched with the moving rod 7 for limiting, and stability when moving up and down is guaranteed;

3. this application is rational in infrastructure, through the rotary type design of connecting bottom plate 16, when removing demonstration flat board 1, can rotate connecting bottom plate 16 to 8 bottoms of bottom stay bars, after removing the completion, can with connecting bottom plate 16 rotate back 8 sides of bottom stay bars can, improved the convenience when demonstration flat board 1 uses.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A multimedia demonstration board characterized by: comprises a demonstration flat plate (1); demonstration flat board (1) rear side bottom is provided with back vaulting pole (2), and back vaulting pole (2) top all is fixed with and rotates sleeve pipe (3), two it has cup jointed supporting screw (4) all to rotate sleeve pipe (3) inside all to rotate, and supporting screw (4) both ends all are fixed with connecting block (5), every connecting block (5) are all fixed on demonstration flat board (1) back wall, every supporting screw (4) all screw threads of rotating sleeve pipe (3) side are equipped with and rotate clamp splice (6), back vaulting pole (2) bottom symmetry is provided with bottom vaulting pole (8), two the top is fixed with connecting plate (9) between bottom vaulting pole (8), back vaulting pole (2) bottom central point department of putting rotates through the bearing and is connected with adjusting screw (10), and adjusting screw (10) and the threaded connection of connecting plate (9), two bottom vaulting pole (8) bottom all is provided with auxiliary support structure, be provided with reinforced structure on bottom vaulting pole (8).

2. A multimedia demonstration board according to claim 1, wherein: the reinforced structure comprises a bottom connecting plate (12) and a rotating plate (14), moving rods (7) are symmetrically fixed at the bottom ends of back supporting rods (2), the moving rods (7) are slidably inserted into the bottom supporting rods (8), two ends, far away from the demonstration flat plate (1), of the bottom supporting rods (8) are highly connected with the bottom connecting plate (12), and supporting plates (13) are symmetrically fixed on the front side and the rear side of the bottom connecting plate (12).

3. A multimedia demonstration board according to claim 1, wherein: the auxiliary supporting structure comprises a rotating plate (14), a fixing rod (15), rollers (17), limiting blocks (19) and limiting rods (21), wherein the rotating plate (14) is arranged on the front side and the rear side of the bottom end of each bottom supporting rod (8), each rotating plate (14) is rotatably sleeved on the corresponding fixing rod (15), the inner end of each fixing rod (15) is fixed on the corresponding bottom supporting rod (8), a connecting bottom plate (16) is fixed at one end, far away from the corresponding bottom supporting rod (8), of each rotating plate (14), the rollers (17) are symmetrically fixed on one side, far away from the corresponding rotating plate (14), of each connecting bottom plate (16), limiting blocks (19) are fixed at the front end and the rear end of one side, close to the corresponding bottom connecting plate (12), of each bottom supporting rod (8), far away from the corresponding bottom connecting plate (12), fixing plates (20) are symmetrically slidably arranged inside the corresponding fixing plates (20), and springs (22) are symmetrically fixed between the corresponding limiting rods (21) and the inside of the fixing plates (20).

4. A multimedia demonstration board according to claim 1, wherein: the back support rod (2) is arranged to be U-shaped and matched with the rear side of the demonstration flat plate (1), and the length of each support screw rod (4) is larger than the sum of the lengths of the rotary sleeve (3) and the rotary clamping block (6).

5. A multimedia demonstration board according to claim 2, wherein: two movable grooves (18) matched with the moving rods (7) are formed in the top ends of the bottom support rods (8), and the heights of the moving rods (7) and the movable grooves (18) are larger than the height of the adjusting screw (10).

6. A multimedia demonstration board according to claim 1, wherein: the height of bottom vaulting pole (8) is greater than adjusting screw (10) highly, adjusting screw (10) extend to the one end of connecting plate (9) below and are fixed with knob (11), and equidistant a plurality of grips that are fixed with in knob (11).

7. A multimedia demonstration board according to claim 3, wherein: each fixing rod (15) is transversely arranged in a T shape, and each rotating plate (14) is internally provided with a rotating through hole matched with the fixing rod (15).

8. A multimedia demonstration board according to claim 3, wherein: the width of the two fixing plates (20) is equal to that of the bottom stay bar (8), and the distance between each fixing rod (15) and the connecting bottom plate (16) is larger than the distance between each fixing rod (15) and the bottom end of the bottom stay bar (8).

9. A multimedia demonstration board according to claim 3, wherein: every fixed plate (20) inside all symmetrically seted up with gag lever post (21) complex sliding tray, the length between gag lever post (21) and stopper (19) all is the length of one end rotor plate (14).

10. A multimedia demonstration board according to claim 3, wherein: each limiting rod (21) is transversely arranged in an L shape, and one end, close to the rotating plate (14), of each limiting rod (21) is arranged in an arc shape.

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