CN220668887U - Demonstration board convenient to dismantle - Google Patents

Abstract

The utility model relates to the technical field of police cases demonstration appliances, and discloses a demonstration board convenient to detach, which comprises a clamping frame, a support column and a teaching board, wherein the upper surface of the clamping frame is connected with a support plate for supporting through bolts, the inner wall of the support plate is connected with an extension rod in a clamping mode, and one side of the lower surface of the extension rod is inserted with a stand column. This demonstration board convenient to dismantle, through card frame, teaching board, the projector body, the setting of fixed frame and curtain, with the inside of teaching board joint at the card frame, can write in one side of teaching board, can rotate the teaching board after writing, the fixed frame passes through bolted connection at the top of teaching board side, opens the motor, the rotation of motor output can drive the steering column and rotate, thereby receive and release the curtain, the projector body can be with the image projection of needs explanation at the curtain surface after opening, the user of being convenient for changes different explanation demonstration forms, the efficiency of explanation demonstration has been improved.

Description

Demonstration board convenient to dismantle

Technical Field

The utility model relates to the technical field of police cases demonstration appliances, in particular to a demonstration board convenient to detach.

Background

Police affairs refer to matters for police to maintain social security and the like, and the specific contents comprise: preventing, deterring and detecting criminal activity; the intelligent fire-fighting system has the advantages of maintaining social security order, stopping behaviors damaging the social security order, maintaining traffic safety and traffic order, processing traffic accidents, organizing and implementing fire-fighting work, implementing fire-fighting supervision, managing dangerous goods such as gun ammunition, control cutters, flammable and explosive, extremely toxic, radioactive and the like, being inconvenient to change different explanation forms when police officers explain police cases of social security conditions, reducing explanation efficiency of users, being inconvenient to change the use height of teaching boards according to actual explanation conditions, being inconvenient to install and detach and being lower in assembly efficiency.

The utility model discloses a case demonstration device, which comprises a fixed plate, wherein an installation rod is installed above the middle part of the fixed plate, a supporting plate is connected between the two installation rods, an installation plate is arranged in front of the top of the installation rod, a folding mechanism is arranged in front of the bottom of the installation plate, a display mechanism is arranged in the installation plate, a connecting plate is connected in the middle of the rear of the installation plate, and a positioning mechanism is arranged in the connecting plate.

However, when the utility model is actually used, the following problems exist:

1. when police officers explain police cases of social security conditions, different explanation forms are inconvenient to change, and explanation efficiency of users is reduced;

2. the use height of the teaching board is not convenient to change according to actual explanation conditions, the installation and the disassembly are relatively inconvenient, and the assembly efficiency is relatively low.

Disclosure of Invention

(one) solving the technical problems

In order to overcome the defects in the prior art, the utility model provides the demonstration board convenient to detach, which solves the problems in the prior art that:

when police officers explain police cases of social security conditions, different explanation forms are inconvenient to change, explanation efficiency of users is reduced, the use height of the teaching board is inconvenient to change according to actual explanation conditions, and the problems of inconvenience in installation and disassembly and low assembly efficiency are solved.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a demonstration board convenient to dismantle, includes card frame, pillar and teaching board, the upper surface of card frame has the backup pad that is used for supporting through bolted connection, the inner wall joint of backup pad has the extension rod, one side of extension rod lower surface is pegged graft and is had the stand, the bottom of stand is through bolted connection there is the projecting apparatus body, the top of teaching board side is through bolted connection there being fixed frame, one side of fixed frame is through bolted connection there being the motor, the output key-type of motor has the steering column, the surface winding of steering column is connected with the curtain, the lower surface of card frame is through bolted connection there is the limiting plate, the bottom joint of pillar has the sloping plate.

Optionally, the bottom joint of diagonal brace board has the earth plate that is used for supporting, the top of pillar is pegged graft the inner wall of limiting plate.

Optionally, a fixing bolt for limiting is arranged at the bottom of the side face of the limiting plate, and the fixing bolt penetrates through one end of the limiting plate and penetrates through the inner wall of the support column.

Optionally, the bottom joint of teaching board side has the protection shield that is used for the protection, the middle part of protection shield lower surface is equipped with the handle that is used for carrying and draws.

Optionally, the teaching board joint is in the inner wall of card frame, the middle part of card frame side has pegged graft and has the bolt, the bolt runs through the one end screw thread of card frame wears to establish the inner wall of teaching board.

Optionally, the swivel post joint is in the inner wall of fixed frame, one side of backup pad upper surface is equipped with the fastening bolt that is used for spacing, fastening bolt runs through the one end screw thread of backup pad is worn to establish the inner wall of extension rod.

(III) beneficial effects

The utility model provides a convenient-to-detach demonstration board, which has the following beneficial effects:

1. this demonstration board convenient to dismantle, through card frame, teaching board, the projector body, the setting of fixed frame and curtain, with the inside of teaching board joint at the card frame, can write in one side of teaching board, can rotate the inside of teaching board at the card frame after writing, the fixed frame passes through bolted connection at the top of teaching board side, opens the motor, the rotation of motor output can drive the revolving post and rotate, thereby receive and release the curtain, the projector body can be with the image projection that needs the explanation at the curtain surface after opening, the user of being convenient for changes different explanation demonstration forms, the efficiency of explanation demonstration has been improved.

2. This demonstration board convenient to dismantle, through limiting plate, pillar and extension rod's setting, pull out certain length with the extension rod from the inside of backup pad, be convenient for adjust the position of use of projecting apparatus body, pass through bolted connection at the lower surface of card frame with the limiting plate, the pillar can be in the inside of limiting plate pulling, is favorable to adjusting the height of teaching board according to actual explanation demonstration condition, convenient to detach installs the efficiency that has improved the assembly.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 3 is a schematic diagram of a card frame structure according to the present utility model;

FIG. 4 is a schematic view of the structure of the extension rod of the present utility model;

fig. 5 is a schematic diagram of a limiting plate structure according to the present utility model.

In the figure: 1. a clamping frame; 2. a support post; 3. a teaching board; 4. a support plate; 5. an extension rod; 6. a column; 7. a projector body; 8. a fixed frame; 9. a motor; 10. a rotating column; 11. a curtain; 12. a limiting plate; 13. a diagonal brace plate; 14. a ground plate; 15. a protective plate; 16. a bolt.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

in order to facilitate limiting after the teaching board 3 rotates, the position of the projector body 7 is convenient to adjust and change;

referring to fig. 1 and fig. 4, the present utility model provides a technical solution: the utility model provides a demonstration board convenient to dismantle, including card frame 1, pillar 2 and teaching board 3, the bottom joint of teaching board 3 side has the protection shield 15 that is used for the protection, the middle part of protection shield 15 lower surface is equipped with the handle that is used for carrying and draws, teaching board 3 joint is at the inner wall of card frame 1, peg graft in the middle part of card frame 1 side has bolt 16, bolt 16 runs through the one end screw thread of card frame 1 and wears to establish at the inner wall of teaching board 3, the upper surface of card frame 1 has backup pad 4 that is used for supporting through bolted connection, the inner wall joint of backup pad 4 has extension rod 5, peg graft on one side of extension rod 5 lower surface has stand 6, the bottom of stand 6 has projector body 7 through bolted connection;

extension rod 5 can pull out certain length in backup pad 4's inside, be convenient for to projector body 7, projector body 7 is electric connection through wire and external circuit, can throw the explanation image at the surface of curtain 11 after projector body 7 is opened, rotate protection shield 15 and can protect the writing of teaching board 3 one side, bolt 16 can carry out spacingly to the teaching board 3 after rotating, consequently reached and be convenient for carry out spacingly after rotating teaching board 3, the position that makes projector body 7 use is convenient for adjust the purpose of changing.

Embodiment two:

in order to facilitate the retraction and the extension of the curtain 11, the personnel can change different explanation forms;

referring to fig. 3, the top of the side of the teaching board 3 is connected with a fixing frame 8 through a bolt, one side of the fixing frame 8 is connected with a motor 9 through a bolt, an output end of the motor 9 is connected with a rotary column 10 through a key, the rotary column 10 is clamped on the inner wall of the fixing frame 8, one side of the upper surface of the supporting board 4 is provided with a fastening bolt used for limiting, one end of the fastening bolt penetrating through the supporting board 4 penetrates through the inner wall of the extension rod 5, the outer surface of the rotary column 10 is wound with a curtain 11, the motor 9 is electrically connected with an external circuit through a wire, the motor 9 is opened, the rotary column 10 is driven to rotate by rotation of the output end of the motor 9, so that the curtain 11 is folded and unfolded, an image to be explained can be projected on the surface of the curtain 11 after the projector body 7 is opened, and therefore the purposes of conveniently folding and unfolding the curtain 11 are achieved, and people can change different explanation forms.

Embodiment III:

in order to facilitate the stable support of the teaching board 3 during use, the use height of the teaching board 3 is convenient to change;

referring to fig. 1, 5 and 2, the lower surface of the clamping frame 1 is connected with a limiting plate 12 through a bolt, a fixing bolt for limiting is arranged at the bottom of the side surface of the limiting plate 12, the fixing bolt penetrates through one end of the limiting plate 12 and penetrates through the inner wall of the support column 2, the bottom end of the support column 2 is connected with an inclined support plate 13 in a clamping manner, the bottom end of the inclined support plate 13 is connected with a grounding plate 14 for supporting, the top end of the support column 2 is inserted into the inner wall of the limiting plate 12, the limiting plate 12 is connected to the lower surface of the clamping frame 1 through a bolt, the support column 2 can be pulled in the limiting plate 12, the height of the teaching plate 3 can be adjusted according to actual explanation demonstration conditions, the lifting height can be limited through the fixing bolt, the inclined support plate 13 is rotated, the grounding plate 14 of the inclined support plate 13 is abutted against the ground, and therefore the purposes of being convenient for stably supporting the teaching plate 3 in use and changing the use height of the teaching plate 3 are achieved.

The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.

In the utility model, the working steps of the device are as follows:

firstly, with teaching board 3 joint in the inside of card frame 1, can write in one side of teaching board 3, secondly, can rotate teaching board 3 in the inside of card frame 1 after writing, fixed frame 8 passes through bolted connection at the top of teaching board 3 side, then, open motor 9, the rotation of motor 9 output can drive the column 10 and rotate, thereby receive and release curtain 11, projector body 7 can be with the image projection that needs to explain at curtain 11 surface after opening, finally, pull out certain length with extension rod 5 from the inside of backup pad 4, adjust the position of use of projector body 7, pass through bolted connection at the lower surface of card frame 1 with limiting plate 12, pillar 2 can be in the inside of limiting plate 12, can adjust the height of teaching board 3 according to actual explanation demonstration condition.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a demonstration board convenient to dismantle, includes card frame (1), pillar (2) and teaching board (3), its characterized in that: the upper surface of card frame (1) is used for backup pad (4) of supporting through bolted connection, the inner wall joint of backup pad (4) has extension rod (5), one side of extension rod (5) lower surface is pegged graft and is had stand (6), there is projecting apparatus body (7) in the bottom of stand (6) through bolted connection, there is fixed frame (8) at the top of teaching board (3) side through bolted connection, there is motor (9) one side of fixed frame (8) through bolted connection, the output key of motor (9) is connected with steering column (10), the surface winding of steering column (10) is connected with curtain (11), the lower surface of card frame (1) has limiting plate (12) through bolted connection, the bottom joint of pillar (2) has bracing board (13).

2. The easy-to-detach presentation board of claim 1, wherein: the bottom joint of bracing board (13) has ground plate (14) that are used for supporting, peg graft in the top of pillar (2) the inner wall of limiting plate (12).

3. A readily removable demonstration board as defined in claim 2, wherein: the bottom of limiting plate (12) side is equipped with the fixing bolt that is used for spacing, fixing bolt runs through one end screw thread of limiting plate (12) wears to establish the inner wall of pillar (2).

4. The easy-to-detach presentation board of claim 1, wherein: the bottom joint of teaching board (3) side has protection shield (15) that are used for the protection, the middle part of protection shield (15) lower surface is equipped with the handle that is used for carrying and draws.

5. The easy-to-detach presentation board of claim 1, wherein: the teaching board (3) is clamped on the inner wall of the clamping frame (1), a bolt (16) is inserted in the middle of the side face of the clamping frame (1), and the bolt (16) penetrates through one end thread of the clamping frame (1) to penetrate through the inner wall of the teaching board (3).

6. The easy-to-detach presentation board of claim 1, wherein: the rotary column (10) is clamped on the inner wall of the fixed frame (8), one side of the upper surface of the supporting plate (4) is provided with a fastening bolt used for limiting, and the fastening bolt penetrates through one end thread of the supporting plate (4) to penetrate through the inner wall of the extension rod (5).