CN212847203U

CN212847203U - A sketch projection arrangement for fine arts teaching

Info

Publication number: CN212847203U
Application number: CN202021795779.8U
Authority: CN
Inventors: 冯亮
Original assignee: Shenyang University
Current assignee: Shenyang University
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-03-30
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a sketch projection arrangement for fine arts teaching, including the rectangular block, the equal fixedly connected with backing plate in both sides on the rectangular block positive surface, the positive fixed surface of left side backing plate is connected with motor one, and the positive fixed surface of right side backing plate is connected with motor two, two fixed blocks of the positive fixed surface of rectangular block are connected with, and the surface of left side fixed block runs through and is provided with transfer line one. The utility model discloses a sketch projection arrangement for fine arts teaching possesses the convenient projection angle of adjusting, the advantage of being convenient for to remove, in the in-service use, can remove at will, adjust the angle of projection picture according to the spectator's condition, the user has been made things convenient for, the practicality of this sketch projection arrangement for fine arts teaching has been improved, it fixes at the wall to have solved most projection arrangement, can't remove, and adjust the angle difficulty of projection picture, probably influence spectator's watching, inconvenient user uses, the problem of projection arrangement's practicality has been reduced.

Description

A sketch projection arrangement for fine arts teaching

Technical Field

The utility model relates to a fine arts teaching technical field specifically is a sketch projection arrangement for fine arts teaching.

Background

A projector (also called as a projector) is also called as a writing projector, provides a projection optical instrument with large-size pictures, adds a reflector on the basis of a direct projection slide projector, changes the light path, and projects the image of a projection film horizontally placed on a carrying glass onto a screen, and can be used for projecting various large-size projection single sheets or rolled sheets which are made in advance or written on site and projection teaching aids made of transparent materials and the like because a light-collecting lens (usually a Fresnel lens) is larger, and has the following characteristics compared with a slide projector: the device can be used for directly writing on the projection sheet to replace a blackboard; the distance from the screen is short, but a large and bright image can be generated; when in use, tight shading is not needed; the demonstration experiment can be carried out by using the projection teaching aid.

Present projector mainly used sees the shadow, speech and educational training etc., the enlarged function through the projector, can make more people can watch the projection picture simultaneously, along with the progress of times, fine arts are also more and more taken into account by people, the people who attend fine arts training are also more and more, thereby the projector also is used gradually in fine arts teaching, present most projection arrangement fixes at the wall, can't remove, and adjust the angle difficulty of projection picture, probably influence spectator's watching, inconvenient user uses, projection arrangement's practicality has been reduced, for solving the above-mentioned problem, a sketch projection arrangement for fine arts teaching, urgent need developing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sketch projection arrangement for fine arts teaching possesses the projection angle of conveniently adjusting, and the advantage of being convenient for to remove has solved most projection arrangement and has fixed at the wall, can't remove, and adjusts the angle difficulty of projection picture, probably influences spectator's watching, and inconvenient user uses, has reduced the problem of projection arrangement's practicality.

In order to achieve the above object, the utility model provides a following technical scheme: a sketch projection device for art teaching comprises a long block, wherein base plates are fixedly connected to two sides of the front surface of the long block, a first motor is fixedly connected to the front surface of a first left base plate, a second motor is fixedly connected to the front surface of a second right base plate, two fixing blocks are fixedly connected to the front surface of the long block, a first transmission rod penetrates through the surface of the first left fixing block, one end of the first transmission rod is fixedly connected with an output shaft of the first motor, a first fixing plate is fixedly connected to the surface of the first transmission rod, a second transmission rod is connected to one end, far away from the first motor, of the first transmission rod in a sliding mode through a bearing, one end, far away from the first transmission rod, of the second transmission rod penetrates through the fixing block on the right side and is fixedly connected with an output shaft of the second motor, a, the utility model discloses a portable electronic device, including fixed plate one, fixed plate two, the equal fixedly connected with square block in positive surface of fixed plate one and fixed plate two, the common fixedly connected with square block in one side that two square blocks are relative, the inner chamber of square runs through and is provided with the stock, the rear end fixedly connected with bevel gear two of stock, bevel gear two meshes with bevel gear one mutually, the front end fixedly connected with projector of stock.

Preferably, the bottom fixedly connected with cylinder of long piece, the surface coating of cylinder is equipped with the anti-rust paint, the bottom fixedly connected with mounting disc of cylinder, the surface ring of mounting disc is equipped with four installation screw holes.

Preferably, the bottom of cylinder is provided with the base, the base passes through the bolt and can dismantle with the mounting disc and be connected.

Preferably, four corners of the bottom of the base are connected with short rods through bearings in a sliding mode, the bottom of each short rod is fixedly connected with a roller frame, and an inner cavity of each roller frame is connected with a roller through bearings in a sliding mode.

Preferably, the top of the long block is fixedly connected with a handle, and the surface of the handle is provided with anti-skid grains.

Preferably, the first motor and the second motor are fixedly connected with the base plate through screws, and holes matched with the screws are formed in the surface of the base plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model realizes the purpose of controlling the movement of the sketch projection device for art teaching by pushing the handle to drive the long block to move, and realizes the purpose of controlling the projector to move up and down by using the fixed plate I, the bent block, the square block and the long rod in a matching way by opening the motor I to drive the transmission rod I to rotate, and realizes the purpose of controlling the projector to move left and right by using the long rod as the axis by using the fixed plate I, the bent block, the square block and the long rod in a matching way by opening the motor II to drive the transmission rod II to rotate, thereby achieving the effect of controlling the projector to move left and right by using the long rod as the axis, thereby realizing the purpose of adjusting the angle of the projection picture, the sketch projection device for art teaching has the advantages of conveniently adjusting the projection angle and being convenient to move, and can be moved randomly in the actual use process, and the angle of the projection picture can be adjusted according to the, the utility model has the advantages of made things convenient for the user, improved this a sketch projection arrangement for fine arts teaching's practicality, solved most projection arrangement and fixed at the wall, can't remove, and adjust the angle difficulty of projection picture, probably influence spectator's watching, inconvenient user uses, has reduced the problem of projection arrangement's practicality.

2. The utility model discloses a setting of cylinder, played the effect of highly adjusting this sketch projection arrangement for fine arts teaching, the anti-rust paint that the surface was scribbled and is established has prolonged the life of telescopic link, setting through the base, sketch projection arrangement for fine arts teaching provides fixed effect, the stability of this sketch projection arrangement for fine arts teaching has been improved, through the quarter butt, the cooperation of gyro wheel frame and gyro wheel is used, the person of facilitating the use removes this sketch projection arrangement's that is used for fine arts teaching effect, use through the cooperation of motor one and backing plate, stability and convenient dismantlement have been improved for motor one.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is an enlarged view of a portion of A in FIG. 1 according to the present invention;

fig. 4 is a side sectional view of the present invention.

In the figure: 1. a long block; 2. a base plate; 3. a first motor; 4. a second motor; 5. a fixed block; 6. a first transmission rod; 7. a second transmission rod; 8. a first bevel gear; 9. a first fixing plate; 10. a bending block; 11. a square block; 12. a long rod; 13. a second bevel gear; 14. a projector; 15. a cylinder; 16. a base; 17. a short bar; 18. a roller frame; 19. a roller; 20. a handle; 21. and a second fixing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a sketch projection device for art teaching comprises a long block 1, wherein a cylinder 15 is fixedly connected to the bottom of the long block 1, antirust paint is coated on the surface of the cylinder 15, a mounting disc is fixedly connected to the bottom of the cylinder 15, four mounting screw holes are annularly formed in the surface of the mounting disc, the height of the sketch projection device for art teaching is adjusted through the arrangement of the cylinder 15, the service life of an expansion link 15 is prolonged through the antirust paint coated on the surface, a base 16 is arranged at the bottom end of the cylinder 15, the base 16 is detachably connected with the mounting disc through bolts, a fixing effect is provided for the sketch projection device for art teaching through the arrangement of the base 16, the stability of the sketch projection device for art teaching is improved, short rods 17 are slidably connected to four corners of the bottom of the base 16 through bearings, and roller frames 18 are fixedly connected to the bottoms of the short rods 17, the inner cavity of the roller carrier 18 is connected with a roller 19 in a sliding manner through a bearing, and the effect of facilitating a user to move the sketch projection device for art teaching is achieved through the matching use of the short rod 17, the roller carrier 18 and the roller 19, the user can conveniently move the sketch projection device for art teaching, the backing plate 2 is fixedly connected to the two sides of the front surface of the long block 1, the motor I3 is fixedly connected to the front surface of the backing plate 2 on the left side, the motor II 4 is fixedly connected to the front surface of the backing plate 2 on the right side, the motor I3 and the motor II 4 are fixedly connected to the backing plate 2 through screws, holes matched with the screws are formed in the surface of the backing plate 2, the stability of the motor I3 is improved and the disassembly is convenient through the matching use of the motor I3 and the backing plate 2, the two fixing blocks 5 are fixedly connected to the front surface of the long block 1, the, the surface of the first transmission rod 6 is fixedly connected with a first fixing plate 9, one end, far away from the first motor 3, of the first transmission rod 6 is connected with a second transmission rod 7 in a sliding mode through a bearing, one end, far away from the first transmission rod 6, of the second transmission rod 7 penetrates through a fixing block 5 on the right side and is fixedly connected with an output shaft of a second motor 4, the surface of the second transmission rod 7 is fixedly connected with a first bevel gear 8, the surface of the second transmission rod 7 is connected with a second fixing plate 21 in a sliding mode through a bearing, the second fixing plate 21 is located on the right side of the first bevel gear 8, the first fixing plate 9 and the right surface of the second fixing plate 21 are fixedly connected with a bent block 10, one side, opposite to the two bent blocks 10, is fixedly connected with a square block 11 together, an inner cavity of the square 11.

The working principle is as follows: when the utility model is used, the user starts the cylinder 15, after the projection device is adjusted to a proper height, the handle 20 is pushed to drive the long block 1 to move, the long block 1 drives the base 16 to move through the cylinder 15, the base 16 drives the roller frame 18 to move through the short rod 17, the roller frame 18 drives the roller 19 to move, finally, the aim of controlling the movement of the sketch projection device for art teaching is achieved, the first motor 3 is started to drive the first transmission rod 6 to rotate, the first transmission rod 6 drives the bent block 10 to rotate by taking the first transmission rod 6 as an axis through the first fixing plate 9, the bent block 10 drives the long rod 12 to swing up and down through the block 11, thereby driving the projector 14 to swing up and down, the function of controlling the up and down position of the projector 14 is achieved, the second transmission rod 7 is driven to rotate by starting the second motor 4, the second transmission rod 7 drives the second bevel gear 13 to rotate through the, the second bevel gear 13 drives the projector 14 to move left and right by taking the long rod 12 as an axis through the long rod 12, the purpose of controlling the left and right positions of the long rod 12 is achieved, the effect of accurately controlling the projection position and the projection angle of the projector 14 is finally achieved, and the purpose of adjusting the projection picture angle is achieved.

In summary, the following steps: the sketch projection device for art teaching drives the long block 1 to move by pushing the handle 20, realizes the purpose of controlling the sketch projection device for art teaching to move by matching the cylinder 15, the base 16, the short rod 17, the roller frame 18 and the roller 19, drives the transmission rod I6 to rotate by starting the motor I3, realizes the purpose of controlling the projector 14 to move up and down by taking the transmission rod I6 as an axis through matching the fixing plate I9, the bent block 10, the square 11 and the long rod 12, drives the transmission rod II 7 to rotate by starting the motor II 4, plays the role of controlling the projector 14 to move left and right by taking the long rod 12 as the axis through matching the bevel gear I8, the bevel gear II 13 and the long rod 12, thereby realizing the purpose of adjusting the projection picture angle, and has the advantage of conveniently adjusting the projection angle, the advantage of being convenient for remove, in the in-service use process, can remove at will, adjust the angle of projection picture according to the spectator's condition, made things convenient for the user, improved this a sketch projection arrangement's that is used for fine arts teaching practicality, solved most projection arrangement and fixed at the wall, can't remove, and adjust the angle difficulty of projection picture, probably influence spectator's watching, inconvenient user uses, has reduced the problem of projection arrangement's practicality.

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.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sketch projection arrangement for fine arts teaching, includes long piece (1), its characterized in that: the two sides of the front surface of the long block (1) are fixedly connected with the base plates (2), the front surface of the left base plate (2) is fixedly connected with a first motor (3), the front surface of the right base plate (2) is fixedly connected with a second motor (4), the front surface of the long block (1) is fixedly connected with two fixed blocks (5), the surface of the left fixed block (5) is provided with a first transmission rod (6) in a penetrating manner, one end of the first transmission rod (6) is fixedly connected with an output shaft of the first motor (3), the surface of the first transmission rod (6) is fixedly connected with a first fixed plate (9), one end, far away from the first motor (3), of the first transmission rod (6) is connected with a second transmission rod (7) in a sliding manner through a bearing, one end, far away from the first transmission rod (6), of the second transmission rod (7) penetrates through, the utility model discloses a surface mounting has bevel gear (8) of transfer line two (7), the surface of transfer line two (7) has fixed plate two (21) through bearing sliding connection, fixed plate two (21) are located the right side of bevel gear (8), the equal fixedly connected with curved block (10) in positive surface of fixed plate one (9) and fixed plate two (21), the common fixedly connected with square (11) in the relative one side of two curved blocks (10), the inner chamber of square (11) runs through and is provided with stock (12), the rear end fixedly connected with bevel gear two (13) of stock (12), bevel gear two (13) mesh with bevel gear one (8), the front end fixedly connected with projector (14) of stock (12).

2. A sketch projection device for art teaching as claimed in claim 1, wherein: the bottom fixedly connected with cylinder (15) of long piece (1), the surface coating of cylinder (15) is equipped with the anti-rust paint, the bottom fixedly connected with mounting disc of cylinder (15), the surface ring of mounting disc is equipped with four installation screw holes.

3. A sketch projection device for art teaching as claimed in claim 2, wherein: the bottom of cylinder (15) is provided with base (16), base (16) pass through the bolt and can dismantle with the mounting disc and be connected.

4. A sketch projection device for art teaching as claimed in claim 3, wherein: four corners of base (16) bottom all have short-circuit beam (17) through bearing sliding connection, the bottom fixedly connected with gyro wheel frame (18) of short-circuit beam (17), the inner chamber of gyro wheel frame (18) has gyro wheel (19) through bearing sliding connection.

5. A sketch projection device for art teaching as claimed in claim 1, wherein: the top of the long block (1) is fixedly connected with a handle (20), and anti-skid grains are arranged on the surface of the handle (20).

6. A sketch projection device for art teaching as claimed in claim 1, wherein: the motor I (3) and the motor II (4) are fixedly connected with the base plate (2) through screws, and holes matched with the screws are formed in the surface of the base plate (2).