CN219740485U

CN219740485U - Graphic demonstration device

Info

Publication number: CN219740485U
Application number: CN202223348966.3U
Authority: CN
Inventors: 于子敬; 刘娟音; 刘丽
Original assignee: Hebei College of Industry and Technology
Current assignee: Hebei College of Industry and Technology
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-09-22
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a graphic demonstration device which comprises a mounting frame body, an image demonstration device and a projection device, wherein a threaded rod penetrating through a wall is arranged on the outer wall of the mounting frame body, L-shaped empty slots are formed in the top end and the bottom end of the inside of the mounting frame body, an image box body is arranged in the L-shaped empty slots, an L-shaped frame penetrating through the L-shaped empty slots is arranged at the bottom end of the image box body, a groove is formed in the top end of the image box body, a limiting mechanism for fixing the position of the image box body is arranged in the groove, the image demonstration device is arranged in the image box body, the projection device is arranged in the image demonstration device, dust collection grooves are formed in the side wall of the top end of a connecting block, and the device only needs to rotate a rotating knob to drive the position of an L-shaped movable block to move downwards to be aligned with the position of an outlet in the L-shaped empty slots, and then the image box body is detached from the mounting frame body, so that later examination and maintenance are facilitated.

Description

Graphic demonstration device

Technical Field

The utility model relates to the technical field of graphic demonstration, in particular to graphic demonstration equipment.

Background

With the development of society, the actual technology is continuously popularized, and various projection devices using projection optics as a core technology play an important role in our lives. With the continuous improvement of the performance of a projector and the computer technology, the projection technology is more widely applied to the fields of exhibition, education and training, scientific research, cultural entertainment, military simulation and the like, and in a physical demonstration experimental device, particularly an image forming experimental device, how to image an object is often demonstrated.

However, contrast authority bulletin number CN 213634882U's a presentation device based on image graph pulls the clamping rod into fixed establishment, through the slip ball, smooth and easy degree when can effectually improving between projection plate and the clamping rod, through the coupling spring in the slide rail, then can push up the push pedal, then can push up the projection plate, realize swift tear open and trade, otherwise, when the user needs to install the projection plate, then can push down the projection plate, jack up the gag lever post through the top in the spacing spout, jack up the clamping rod, then can block the projection plate, realize the operation of image graph demonstration, the user of being convenient for uses.

The existing graphic demonstration device has the following problems in the using process: the demonstration device of traditional image graph produces a large amount of heat in the demonstration, and the inside dust that piles up for a long time that appears of demonstration device easily for its internals life is not long, in addition, its mounting structure needs the bolt fastening, and dismantles maintenance and detects very inconvenient, needs operating personnel to adopt professional instrument, makes the practicality not good.

Disclosure of Invention

The present utility model is directed to a graphic presentation apparatus for solving the above-mentioned related problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a graphic presentation device, includes installation framework, image presentation device and projection equipment, the outer wall of installation framework is provided with the threaded rod that runs through the wall, the inside top and the bottom of installation framework have been seted up L type empty slot, and the inside in L type empty slot is provided with the image box, the L type frame that runs through L type empty slot is installed to the image box bottom, the recess has been seted up on the top of image box, and the inside stop gear that is used for fixing the image box position that is provided with of recess, the inside of image box is provided with image presentation device, and the inside of image presentation device is provided with projection equipment, the connecting block has all been installed to installation framework top and bottom, and the dust absorption groove has been seted up to the top lateral wall of connecting block, a plurality of breathing pipes have been seted up to the top and the bottom of image presentation device, and the breathing pipe outer wall runs through the inside in dust absorption groove, the top and the bottom of image box are provided with heat dissipation dust removal mechanism.

Further, stop gear includes slide rail and lead screw, the slide rail is installed to the inside one side lateral wall of recess, the lead screw is installed to the inside bearing of recess, and the L type movable block that runs through L type empty slot is installed to the lead screw outer wall.

Further, the outer wall of the L-shaped movable block is matched with the inner part of the sliding rail.

Further, a rotating button penetrating through the image box body is arranged at the top end of the screw rod through a bearing, and anti-skid patterns are arranged on the outer wall of the rotating button.

Further, the heat dissipation and dust removal mechanism comprises a suction fan and a suction pipe, the top end of the image box body is provided with the suction fan, and the output end of the suction fan is provided with the suction pipe penetrating through the dust collection groove.

Further, an exhaust pipe penetrating through the image box body is arranged at the input end of the suction fan.

Compared with the prior art, the utility model provides the graphic demonstration equipment, which has the following beneficial effects:

1. according to the utility model, the L-shaped movable block is driven to move upwards in the sliding rail through the rotary button, and then the L-shaped movable block is inserted into the L-shaped empty slot, so that the image box body is quickly fixed, and the image box body is detached from the installation frame body only by rotating the rotary button to drive the L-shaped movable block to move downwards to be aligned with the position of the outlet in the L-shaped empty slot when the image box body is detached and repaired.

2. According to the utility model, the hot air in the image demonstration device is discharged through the air suction pipe and the air discharge pipe by starting the air suction fan, and part of dust is sucked out from the heat dissipation groove.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a right side view of the present utility model;

fig. 4 is a perspective view of the present utility model.

In the figure: 1. installing a frame body; 2. a threaded rod; 3. an L-shaped empty groove; 4. an image box; 5. an L-shaped frame; 6. an image presentation apparatus; 7. a projection device; 8. a slide rail; 9. a screw rod; 10. an L-shaped movable block; 11. a rotary knob; 12. a heat sink; 13. a suction fan; 14. a dust collection groove; 15. an air suction pipe; 16. a connecting block; 17. an exhaust pipe; 18. a groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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 1, as shown in fig. 1-2, the present utility model provides a technical solution: the graphic demonstration device comprises a mounting frame body 1, an image demonstration device 6 and a projection device 7, wherein a threaded rod 2 penetrating through a wall is arranged on the outer wall of the mounting frame body 1, an L-shaped empty groove 3 is formed in the top end and the bottom end of the inside of the mounting frame body 1, an image box body 4 is arranged in the L-shaped empty groove 3, an L-shaped frame 5 penetrating through the L-shaped empty groove 3 is arranged at the bottom end of the image box body 4, a groove 18 is formed in the top end of the image box body 4, a limiting mechanism used for fixing the position of the image box body 4 is arranged in the groove 18, the limiting mechanism comprises a sliding rail 8 and a screw rod 9, a sliding rail 8 is arranged on one side wall of the inside of the groove 18, a screw rod 9 is arranged on a bearing inside the groove 18, an L-shaped movable block 10 penetrating through the L-shaped empty groove 3 is arranged on the outer wall of the screw rod 9, a rotating button 11 penetrating through the bearing is arranged on the top end of the screw rod 9, an anti-skidding thread is arranged on the outer wall of the rotating button 11, the rotating button 9, the screw rod 9 is driven by rotating the screw rod 10, and the outer wall of the L-shaped movable block 10 is driven to move up and down, and then the L-shaped movable block 10 is fixed in the position of the L-shaped empty box body 3, and the image box body is fixed in the position of the image box body 1.

In example 2, as shown in fig. 1-4, the present utility model provides a technical solution: the graphic presentation device comprises an image presentation device 6 arranged in an image box 4, a projection device 7 arranged in the image presentation device 6, a connecting block 16 arranged at the top end and the bottom end of a mounting frame body 1, a dust collection groove 14 arranged on the side wall of the top end of the connecting block 16, a plurality of air suction pipes 15 arranged at the top end and the bottom end of the image presentation device 6, an air suction pipe 15 arranged on the outer wall of the air suction pipe and penetrating through the inside of the dust collection groove 14, a heat dissipation and dust removal mechanism arranged at the top end and the bottom end of the image box 4 and comprising a suction fan 13 and an air suction pipe 15, a suction fan 13 arranged at the output end of the suction fan 13 and penetrating through the air suction pipe 15 of the dust collection groove 14, an exhaust pipe 17 arranged at the input end of the suction fan 13 and penetrating through the image box 4, and a part of dust is sucked out by the position of the heat dissipation groove 12, wherein the structure is convenient for rapidly dissipating and removing the heat from the position of the image presentation device 6.

Working principle: firstly, an external power supply is connected, then the image box body 4 is operated to drive the L-shaped frame 5 to be inserted into the L-shaped empty groove 3 at the lower part by holding the image box body 4 by hands, the L-shaped movable block 10 is inserted into the L-shaped empty groove 3 at the upper part, then an operator holds and rotates the rotary knob 11 by hands, the rotary knob 11 drives the L-shaped movable block 10 to move upwards in the sliding rail 8, and then the L-shaped movable block 10 is inserted into the L-shaped empty groove 3, so that the image box body 4 is quickly fixed.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The graphic demonstration device comprises an installation frame body, an image demonstration device and a projection device, and is characterized in that: the utility model discloses a dust collection device, including installation framework, image box, projection equipment, connecting block, dust absorption groove, dust collection mechanism, image box's inside is provided with the wall, the outer wall of installation framework is provided with the threaded rod that runs through the wall, the inside top and the bottom of installation framework have been seted up the L type empty slot, and the inside L type frame that runs through the L type empty slot is installed to the inside of L type empty slot, the recess is seted up on the top of image box, and the inside stop gear that is used for fixing the image box position that is provided with of recess, the inside of image box is provided with image presentation equipment, and image presentation equipment's inside is provided with projection equipment, the connecting block has all been installed to installation framework top and bottom, and dust absorption groove has been seted up to the top lateral wall of connecting block, a plurality of breathing pipes have been seted up to image presentation equipment's top and bottom, and the inside that the breathing pipe outer wall runs through the dust absorption groove, image box's top and bottom are provided with heat dissipation dust removal mechanism.

2. The graphical presentation device of claim 1, wherein: the limiting mechanism comprises a sliding rail and a screw rod, the sliding rail is arranged on one side wall of the inside of the groove, the screw rod is arranged on a bearing in the inside of the groove, and an L-shaped movable block penetrating through the L-shaped empty groove is arranged on the outer wall of the screw rod.

3. The graphical presentation device of claim 2, wherein: the outer wall of the L-shaped movable block is matched with the inside of the sliding rail.

4. The graphical presentation device of claim 2, wherein: the top end of the screw rod is provided with a rotating button penetrating through the image box body through a bearing, and the outer wall of the rotating button is provided with anti-skid patterns.

5. The graphical presentation device of claim 1, wherein: the heat dissipation and dust removal mechanism comprises a suction fan and a suction pipe, the top end of the image box body is provided with the suction fan, and the output end of the suction fan is provided with the suction pipe penetrating through the dust collection groove.

6. The graphical presentation device of claim 5, wherein: and an exhaust pipe penetrating through the image box body is arranged at the input end of the suction fan.