CN215636119U

CN215636119U - Intelligent projection equipment is used in teaching

Info

Publication number: CN215636119U
Application number: CN202122395611.9U
Authority: CN
Inventors: 王健; 郝耀军; 赵青杉
Original assignee: Xinzhou Teachers University
Current assignee: Xinzhou Teachers University
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-01-25
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to the technical field of teaching projection equipment and discloses intelligent projection equipment for teaching, which comprises a base, the rotary disc is rotatably arranged at one end of the outer side of the base, the fixed rods are slidably arranged at two sides of the top of the base, the telescopic rods are slidably and telescopically arranged in the fixed rods, the mutually matched L-shaped protection plates are fixedly arranged at the tops of the telescopic rods, the rotary disc is rotatably arranged at the middle position of the top of the base, and the mounting rod is fixedly arranged at the top of the rotary disc. The bidirectional screw rod rotates to drive the L-shaped protection plate at the top of the fixed rod to be gradually closed to protect the main body of the projection equipment, when being impacted, the rubber protection board can retract into the buffer groove, the second spring is extruded through the shock absorption rod, thereby improved whole shock attenuation buffering protection, prevented like this that students from striking the projection equipment main part, thereby played certain guard action to it and prolonged life.

Description

Intelligent projection equipment is used in teaching

Technical Field

The utility model belongs to the technical field of teaching projection equipment, and particularly relates to intelligent projection equipment for teaching.

Background

The projection equipment is a device capable of projecting images or videos onto a screen, can be connected with electronic equipment through different interfaces to play corresponding video signals, and is an optical instrument which utilizes an optical element to amplify the outline of a workpiece and projects the workpiece onto the screen.

But teaching on the existing market is with intelligent projection equipment, is mostly strikeed by the foreign object to make it damage, reduce projection equipment's life, traditional teaching is with intelligent projection equipment simultaneously, all is difficult to adjust the position of projection after the installation, also is difficult to adjust the angle of projection, and it is comparatively inconvenient to use.

Disclosure of Invention

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an intelligent projection device for teaching, which effectively solves the problems that most of the intelligent projection devices for teaching in the current market are damaged by foreign objects, and the service life of the projection device is shortened.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an intelligent projection equipment is used in teaching, the on-line screen storage device comprises a base, base outside one end is rotated and is provided with the rolling disc, base top both sides slide and are provided with the dead lever, the inside flexible telescopic link that is provided with that slides of dead lever, telescopic link top fixed mounting has the L type guard plate of mutual matching, base top intermediate position rotates and is provided with the carousel, carousel top fixed mounting has the installation pole, the inside flexible regulation pole top fixed mounting that is provided with of installation pole has the loading board, the loading board top is provided with the projection equipment main part, the dead lever rotates with installation pole outside top and is provided with fastening bolt.

Preferably, the surface of the rotary table is provided with a limiting rod in a sliding penetrating manner, the top of the base is annularly provided with a limiting hole matched with the limiting rod, and the outer side of the limiting rod is sleeved with a first spring.

Preferably, the bottom of the bearing plate is fixedly provided with a convex rod, and the top end of the adjusting rod is internally provided with a telescopic groove matched with the convex rod.

Preferably, the inside rotation of flexible recess is provided with the screw rod with protruding pole threaded connection, and the screw rod bottom is provided with first gear, adjusts the rotation of pole lateral wall and runs through flexible recess and be provided with the second gear with first gear intermeshing.

Preferably, the sliding grooves matched with the fixing rods are formed in two sides of the bottom of the base, the two-way screw rods in threaded connection with the fixing rods are arranged in the sliding grooves in a rotating mode, and one ends of the two-way screw rods are connected with the rotating disc.

Preferably, the inner side surface of the L-shaped protection plate is provided with a buffer groove, and a rubber protection plate is arranged inside the buffer groove in a sliding mode.

Preferably, one side of the rubber protection plate close to the L-shaped protection plate is fixedly provided with a shock absorption rod, a shock absorption groove matched with the shock absorption rod is formed in the shock absorption groove, and a second spring is fixedly arranged in the shock absorption groove.

Compared with the prior art, the utility model has the beneficial effects that:

1) in the work, the bidirectional screw rod is driven to rotate through the rotating disc, so that the L-shaped protection plate at the top of the fixing rod is driven to be gradually closed to carry out primary protection on the projection equipment main body, the rubber protection plate can retract into the buffer slot when being impacted, and meanwhile, the damping rod is driven to be inserted into the buffer slot, so that the second spring is extruded, the overall damping and buffering protection is improved, the stability of the projection equipment main body can be improved, students are prevented from impacting the projection equipment main body, and a certain protection effect is played on the projection equipment main body, so that the service life is prolonged;

2) the utility model discloses a projection equipment, including the installation pole, the installation pole is installed to the regulation pole, through will adjusting the pole from the installation pole inside pulling out, thereby highly adjusting the projection equipment main part, then drive the screw rod through rotating the second gear and rotate, thereby it reciprocates to drive the nose bar, be convenient for highly finely tune the projection equipment main part like this, adjust the angle of projection equipment main part through rotating the carousel, after adjusting suitable angle, it is spacing to drive the gag lever post automatic insertion to spacing downthehole portion to carry out the carousel through first spring, the teacher of being convenient for like this operates the projected position, can make the projection equipment main part become more practical.

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. In the drawings:

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

FIG. 2 is a perspective view of the base of the present invention;

FIG. 3 is a cross-sectional view of an L-shaped fender of the present invention;

in the figure: 1. a base; 2. rotating the disc; 3. fixing the rod; 4. a telescopic rod; 5. an L-shaped protection plate; 6. a turntable; 7. mounting a rod; 8. adjusting a rod; 9. a carrier plate; 10. a projection apparatus main body; 11. a limiting rod; 12. a limiting hole; 13. a first spring; 14. a nose bar; 15. a telescopic groove; 16. a screw; 17. a first gear; 18. a second gear; 19. a chute; 20. a bidirectional screw rod; 21. a buffer tank; 22. a rubber protection plate; 23. a shock-absorbing lever; 24. a damping groove; 25. a second spring.

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.

In the first embodiment, as shown in fig. 1, fig. 2 and fig. 3, the projection device comprises a base 1, a rotating disc 2 is rotatably arranged at one end of the outer side of the base 1, fixing rods 3 are slidably arranged on two sides of the top of the base 1 to play a good fixing role, telescopic rods 4 are slidably and telescopically arranged in the fixing rods 3, L-shaped protection plates 5 matched with each other are fixedly arranged at the tops of the telescopic rods 4, the heights of the L-shaped protection plates 5 can be conveniently adjusted through the telescopic rods 4, a rotary table 6 is rotatably arranged at the middle position of the top of the base 1, a mounting rod 7 is fixedly arranged at the top of the rotary table 6 to drive the mounting rod 7 to rotate, a bearing plate 9 is fixedly arranged at the top of an adjusting rod 8 in the telescopic manner in the mounting rod 7, a projection device main body 10 is arranged at the top of the bearing plate 9, and fastening bolts are rotatably arranged at the tops of the outer sides of the fixing rods 3 and the mounting rod 7 to play a good limiting fixation.

Second embodiment, on the basis of first embodiment, given by fig. 1 and 2, carousel 6 surface slides and runs through and is provided with gag lever post 11, and base 1 top annular is provided with gag lever post 11 assorted spacing hole 12, and the gag lever post 11 outside has cup jointed first spring 13, through inserting inside spacing hole 12 with gag lever post 11 to carry out spacingly to carousel 6.

In the third embodiment, on the basis of the first embodiment, as shown in fig. 1, a protruding rod 14 is fixedly installed at the bottom of the bearing plate 9, and a telescopic groove 15 matched with the protruding rod 14 is formed in the top end of the adjusting rod 8, so that the protruding rod 14 can move up and down in the telescopic groove 15.

In the fourth embodiment, on the basis of the first embodiment, as shown in fig. 1, a screw 16 in threaded connection with the protruding rod 14 is rotatably disposed inside the telescopic groove 15, a first gear 17 is disposed at the bottom of the screw 16, a second gear 18 engaged with the first gear 17 is disposed on the side wall of the adjusting rod 8 and rotatably penetrates through the telescopic groove 15, and the screw 16 on the first gear 17 is driven to rotate by the second gear 18, so that the protruding rod 14 is driven to move.

Fifth embodiment, on the basis of the first embodiment, as shown in fig. 2, sliding grooves 19 matched with the fixing rods 3 are formed in two sides of the bottom of the base 1, a bidirectional screw rod 20 in threaded connection with the fixing rods 3 is rotatably arranged inside the sliding grooves 19, one end of the bidirectional screw rod 20 is connected with the rotating disc 2, and the fixing rods 3 are conveniently driven to open or close by rotating the bidirectional screw rod 20.

Sixth embodiment, on the basis of first embodiment, as shown in fig. 3, the buffer slot 21 has been seted up to the inside surface of L type guard plate 5, and the inside rubber protection shield 22 that slides of buffer slot 21 is provided with, and the rubber protection shield 22 of being convenient for slides in buffer slot 21 is inside to play preliminary buffering protection.

Seventh embodiment, on the basis of the first embodiment, as shown in fig. 3, a damping rod 23 is fixedly installed on one side of the rubber protection plate 22 close to the L-shaped protection plate 5, a damping groove 24 matched with the damping rod 23 is formed inside the damping groove 21, a second spring 25 is fixedly installed inside the damping groove 24, and the second spring 25 is extruded through the damping rod 23, so that the overall buffering protection effect is improved.

The working principle is as follows: when the projector is in operation, firstly, the projection device main body 10 is installed on the top of the bearing plate 9, at the moment, according to the requirement of projection at that time, the adjusting rod 8 is pulled out from the inside of the installing rod 7, so that the height of the projection device main body 10 is preliminarily adjusted, then, the second gear 18 is rotated, the second gear 18 is meshed with the first gear 17, so that the screw 16 is driven to rotate, the screw 16 is in threaded connection with the convex rod 14, so that the convex rod 14 is driven to move up and down, the height of the projection device main body 10 is finely adjusted conveniently, then, the limiting rod 11 is pulled out of the limiting hole 12, the angle of the projection device main body 10 can be adjusted by rotating the rotary disc 6, after the angle is adjusted to a proper angle, the limiting rod 11 is driven by the first spring 13 to be automatically inserted into the limiting hole 12 to limit the rotary disc 6, so that a teacher can conveniently operate the position of projection, the projection device main body 10 can be made more practical, when not in use, the two-way screw rod 20 is driven to rotate by the rotating disc 2, the bidirectional screw rod 20 is in threaded connection with the fixed rod 3, so that the L-shaped protection plate 5 at the top of the fixed rod 3 is driven to be gradually closed, thereby achieving the primary protection of the projection apparatus main body 10, and simultaneously, the rubber protection plate 22 is in direct contact with the projection apparatus main body 10, thereby achieving the primary buffer protection, the rubber protection plate 22 is retracted into the buffer slot 21 upon impact, thereby performing a shock-absorbing effect, at the same time, the shock-absorbing rod 23 is inserted into the shock-absorbing groove 24, so that the second spring 25 is compressed, thereby improved whole shock attenuation buffering protection, so not only can be in order to increase projection equipment main part 10's stability, still prevented that students from striking projection equipment main part 10, thereby played certain guard action to it and prolonged life.

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.

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.

Claims

1. The utility model provides an intelligent projection equipment is used in teaching, includes base (1), its characterized in that: base (1) outside one end is rotated and is provided with rolling disc (2), base (1) top both sides slide and be provided with dead lever (3), the inside flexible telescopic link (4) that slides of dead lever (3) is provided with, telescopic link (4) top fixed mounting has L type guard plate (5) of mutually matching, base (1) top intermediate position rotates and is provided with carousel (6), carousel (6) top fixed mounting has installation pole (7), installation pole (7) inside flexible regulation pole (8) top fixed mounting has loading board (9), loading board (9) top is provided with projection equipment main part (10), dead lever (3) are provided with fastening bolt with installation pole (7) outside top rotation.

2. The intelligent teaching projection device of claim 1, wherein: the surface of the rotary table (6) is provided with a limiting rod (11) in a sliding penetrating mode, the top of the base (1) is annularly provided with a limiting hole (12) matched with the limiting rod (11), and the outer side of the limiting rod (11) is sleeved with a first spring (13).

3. The intelligent teaching projection device of claim 1, wherein: the bottom of the bearing plate (9) is fixedly provided with a convex rod (14), and the top end of the adjusting rod (8) is internally provided with a telescopic groove (15) matched with the convex rod (14).

4. An intelligent teaching projection device as claimed in claim 3, wherein: the telescopic groove (15) is internally and rotatably provided with a screw (16) in threaded connection with the convex rod (14), the bottom of the screw (16) is provided with a first gear (17), and the side wall of the adjusting rod (8) is rotatably provided with a second gear (18) which is meshed with the first gear (17) and penetrates through the telescopic groove (15).

5. The intelligent teaching projection device of claim 1, wherein: the base is characterized in that sliding grooves (19) matched with the fixing rods (3) are formed in two sides of the bottom of the base (1), two-way screw rods (20) in threaded connection with the fixing rods (3) are arranged in the sliding grooves (19) in a rotating mode, and one ends of the two-way screw rods (20) are connected with the rotating disc (2).

6. The intelligent teaching projection device of claim 1, wherein: the inner side surface of the L-shaped protection plate (5) is provided with a buffer groove (21), and a rubber protection plate (22) is arranged in the buffer groove (21) in a sliding mode.

7. The intelligent teaching projection device of claim 6, wherein: one side fixed mounting that rubber protection board (22) are close to L type guard plate (5) has shock attenuation pole (23), inside buffer slot (21) seted up with shock attenuation pole (23) assorted shock attenuation groove (24), the inside fixed mounting of shock attenuation groove (24) has second spring (25).