CN215450471U

CN215450471U - Computer graphics teaching device

Info

Publication number: CN215450471U
Application number: CN202121871586.0U
Authority: CN
Inventors: 罗婷
Original assignee: Baise University
Current assignee: Baise University
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-07
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a computer graphics teaching device which comprises fixed support columns, fixed plates, telescopic rods, a projection cloth rolling assembly, support rotating shafts, support rods, sliding rotating shafts and telescopic rods, wherein the fixed support columns are oppositely arranged, the fixed plates are symmetrically arranged between the fixed support columns, the fixed plates are oppositely arranged, the fixed support columns are provided with sliding grooves, the sliding grooves are oppositely arranged, two ends of each rotating shaft respectively penetrate through the corresponding sliding groove, the support rods are symmetrically arranged, the support rods are arranged on the side walls of the rotating shafts, two ends of each sliding rotating shaft respectively penetrate through the corresponding sliding grooves, the sliding rotating shafts are arranged above the support rotating shafts, and the telescopic rods are symmetrically arranged. The utility model belongs to the technical field of computer graphic teaching, and particularly relates to a computer graphic teaching device which can tighten projection cloth, adjust the expansion angle of the projection cloth, ensure the stability of the expansion of the projection cloth, avoid shaking, better cooperate with teaching, have stable integral structure and strong practicability.

Description

Computer graphics teaching device

Technical Field

The utility model belongs to the technical field of computer graphics teaching, and particularly relates to a computer graphics teaching device.

Background

Nowadays, the influence of modern education technology on education is taken into consideration, and the great promotion of education modernization is the mainstream of the world education development. China has achieved considerable effect in the process of integrating teaching by applying modern education technical means. Advanced teaching means are adopted, a brand-new teaching environment is provided, teaching activities are designed, and the trend of the market is reached.

The existing computer graphics teaching device can better perform teaching, but in the process of actual use, after the projection screen is put down by the rotating shaft, the projection screen is easy to shake due to light weight, the angle of the projection screen cannot be adjusted, the use is inconvenient, and the teaching quality is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a computer graphics teaching device, which can tension a projection cloth, adjust the expansion angle of the projection cloth, ensure the stability of the expansion of the projection cloth, avoid shaking, better cooperate with teaching, have a stable overall structure and strong practicability.

The technical scheme adopted by the utility model is as follows: the utility model provides a computer graphics teaching device, includes fixed stay post, fixed plate, telescopic link, projection cloth rolling subassembly, support pivot, bracing piece and slip pivot, the fixed stay post is relative setting, it is equipped with the fixed plate to be the symmetry between the fixed stay post, the fixed plate is relative setting, be equipped with the sliding tray on the fixed stay post, the sliding tray is relative setting, the pivot both ends are to run through the sliding tray setting respectively, the bracing piece is the symmetry setting, the bracing piece is located on the pivot lateral wall, slip pivot both ends are to run through the sliding tray setting respectively, the pivot top is located in the support pivot to the slip pivot, the telescopic link is the symmetry setting, the slip pivot lateral wall is located to the telescopic link, projection cloth rolling subassembly is located between telescopic link and the bracing piece, projection cloth rolling subassembly includes dead lever, projection cloth rolling subassembly, Receive a roll box, motor protection body, rolling motor, back shaft and rolling axle, the dead lever is located the bracing piece and is kept away from between the support pivot one end, the telescopic link is kept away from slip pivot one end and is equipped with the adjustment tank, the back shaft is the symmetry setting, the back shaft is located in the adjustment tank, receive a roll box and locate between the back shaft, the back shaft is connected with the motor protection body, rolling motor locates in the motor protection body, in the rolling box is located to the rolling axle, the rolling motor output is located to rolling axle one end, projection cloth one end is the winding setting and locates on the back shaft, the projection cloth other end is located on the dead lever, projection cloth is to run through a roll box diapire setting.

Further, the fixed stay post upper end is the arc indent setting and forms and places the recess, places recess and back shaft phase-match, can bearing back shaft and coiling box, the user mode of the adjustment projection cloth of being convenient for.

Furthermore, the two ends of the supporting rotating shaft are respectively provided with a first limiting plate, and a limiting effect is achieved on the supporting rotating shaft.

Furthermore, two ends of the sliding rotating shaft are respectively provided with a second limiting plate, so that a limiting effect is achieved on the sliding rotating shaft.

Furthermore, the telescopic link one end is rotated and is located the slip pivot, is convenient for quick rotation adjustment projection cloth's position and angle.

After adopting the structure, the utility model has the following beneficial effects: according to the computer graphics teaching device, the expansion angle of the projection cloth is adjusted by the aid of the supporting rotating shaft and the sliding rotating shaft which are arranged and matched with the expansion of the telescopic rod and the sliding of the supporting shaft in the adjusting groove; the telescopic link that rotates, supports the pivot and rotate and slide in the sliding tray in the cooperation of sliding tray through setting up, realizes that the back shaft is set up and is carrying out the expansion and the rolling of projection cloth in placing the recess, and easy operation realizes the expansion of the different modes of projection cloth, and overall structure is stable, and the practicality is strong.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

FIG. 1 is a schematic diagram of an overall structure of a computer graphics teaching apparatus according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a side view of a computer graphics teaching apparatus of the present invention;

in the drawings: 1. fixed stay post, 2, fixed plate, 3, telescopic link, 4, projection cloth rolling subassembly, 5, support pivot, 6, bracing piece, 7, slip pivot, 8, limiting plate two, 9, sliding tray, 10, dead lever, 11, projection cloth, 12, rolling box, 13, motor protection body, 14, rolling motor, 15, back shaft, 16, rolling axle, 17, adjustment tank, 18, place the recess, 19, limiting plate one.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1-3, a computer graphics teaching device comprises fixed support columns 1, fixed plates 2, telescopic rods 3, a winding assembly 4 of projection cloth 11, support rotating shafts 5, support rods 6 and sliding rotating shafts 7, wherein the fixed support columns 1 are oppositely arranged, the fixed plates 2 are symmetrically arranged between the fixed support columns 1, the fixed plates 2 are oppositely arranged, sliding grooves 9 are arranged on the fixed support columns 1, the sliding grooves 9 are oppositely arranged, two ends of the rotating shafts are respectively arranged to penetrate through the sliding grooves 9, the support rods 6 are symmetrically arranged, the support rods 6 are arranged on the side walls of the rotating shafts, two ends of the sliding rotating shafts 7 are respectively arranged to penetrate through the sliding grooves 9, the sliding rotating shafts 7 are arranged above the support rotating shafts 5, the telescopic rods 3 are symmetrically arranged, the telescopic rods 3 are arranged on the side walls of the sliding rotating shafts 7, the winding assembly 4 of the projection cloth 11 is arranged between the telescopic rods 3 and the support rods 6, the projection cloth 11 rolling component 4 comprises a fixing rod 10, a projection cloth 11, a rolling box 12, a motor protection body 13, a rolling motor 14, a supporting shaft 15 and a rolling shaft 16, the fixed rod 10 is arranged between the ends of the support rods 6 far away from the support rotating shaft 5, the end of the telescopic rod 3 far away from the sliding rotating shaft 7 is provided with an adjusting groove 17, the supporting shafts 15 are symmetrically arranged, the supporting shafts 15 are arranged in the adjusting grooves 17, the coiling box 12 is arranged between the supporting shafts 15, the supporting shaft 15 is connected with a motor protection body 13, the winding motor 14 is arranged in the motor protection body 13, the winding shaft 16 is arranged in the winding box 12, one end of the winding shaft 16 is arranged at the output end of the winding motor 14, projection cloth 11 one end is the winding setting and locates on back shaft 15, projection cloth 11 other end is located on dead lever 10, projection cloth 11 is to run through the setting of coiling box 12 diapire.

The upper end of the fixed support column 1 is arc-shaped and is concavely arranged to form a placing groove 18, the placing groove 18 is matched with the support shaft 15, and can support the support shaft 15 and the winding box 12, so that the using mode of the projection cloth 11 can be adjusted conveniently; two ends of the supporting rotating shaft 5 are respectively provided with a first limiting plate 19, so that a limiting effect is achieved on the supporting rotating shaft 5; two ends of the sliding rotating shaft 7 are respectively provided with a second limiting plate 8, so that the sliding rotating shaft 7 is limited; one end of the telescopic rod 3 is rotatably arranged on the sliding rotating shaft 7, so that the position and the angle of the projection cloth 11 can be adjusted quickly and conveniently.

When the projection cloth unfolding device is used specifically, when the telescopic rod 3 is erected on the fixing plate 2, the extending length of the telescopic rod 3 is adjusted, the supporting shaft 15 is slid in the adjusting groove 17, the position of the winding box 12 is adjusted, the supporting rotating shaft 5 rotates in the sliding groove 9 according to the length of the projection cloth 11, and the unfolding angle of the projection cloth 11 is adjusted by matching the supporting shaft 15 and the telescopic rod 3; upwards rotate telescopic link 3, coiling box 12 and back shaft 15 upwards rotate to fixed stay 1 top along telescopic link 3, slide between fixed plate 2 along sliding tray 9 this moment downwards, set up in placing recess 18 in fixed stay 1 upper end to back shaft 15, support pivot 5 is at sliding tray 9 internal rotation, change on the position of cooperation projection cloth 11 and dead lever 10, control coiling motor 14 and expand or pack up projection cloth 11, realize the projection effect of another kind of mode.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A computer graphics teaching apparatus, characterized by: the novel projection cloth winding device comprises fixed support columns, a fixed plate, a telescopic rod, a projection cloth winding assembly, a support rotating shaft, a support rod and a sliding rotating shaft, wherein the fixed support columns are arranged relatively, the fixed support columns are symmetrically provided with the fixed plate, the fixed plate is arranged relatively, the fixed support columns are provided with sliding grooves, the sliding grooves are arranged relatively, two ends of each rotating shaft are respectively arranged by penetrating through the sliding grooves, the support rod is arranged on the side wall of the rotating shaft, two ends of each sliding shaft are respectively arranged by penetrating through the sliding grooves, the sliding rotating shaft is arranged above the support rotating shaft, the telescopic rod is arranged symmetrically, the telescopic rod is arranged on the side wall of the sliding rotating shaft, the projection cloth winding assembly is arranged between the telescopic rod and the support rod, and the projection cloth winding assembly comprises a fixed rod, projection cloth, a winding box, a motor protection body, Winding motor, back shaft and rolling axle, the dead lever is located the bracing piece and is kept away from between the support pivot one end, the telescopic link is kept away from slip pivot one end and is equipped with the adjustment tank, the back shaft is the symmetry setting, the back shaft is located in the adjustment tank, the rolling box is located between the back shaft, the back shaft is connected with the motor protection body, winding motor is located in the motor protection body, the rolling axle is located in the rolling box, the winding motor output is located to rolling axle one end, projection cloth one end is the winding setting and locates on the back shaft, the projection cloth other end is located on the dead lever, the projection cloth is and runs through the setting of rolling box diapire.

2. A computer graphics teaching apparatus according to claim 1, wherein: the upper end of the fixed support column is arc-shaped and is concavely arranged to form a placing groove.

3. A computer graphics teaching apparatus according to claim 1, wherein: and two ends of the supporting rotating shaft are respectively provided with a first limiting plate.

4. A computer graphics teaching apparatus according to claim 1, wherein: and two ends of the sliding rotating shaft are respectively provided with a second limiting plate.

5. A computer graphics teaching apparatus according to claim 1, wherein: one end of the telescopic rod is rotatably arranged on the sliding rotating shaft.