CN213599021U

CN213599021U - Projection equipment adjusting device for multimedia teaching

Info

Publication number: CN213599021U
Application number: CN202022523197.0U
Authority: CN
Inventors: 钱峥; 陈强
Original assignee: Jiangsu Huachen Teaching Equipment Co ltd
Current assignee: Jiangsu Huachen Teaching Equipment Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-02
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a projection equipment adjusting device for multimedia teaching, including the main part of mounting bracket, fly leaf, connecting plate, motor, fixing base, projecting apparatus, be used for height-adjusting's extending structure and clamp the structure, the mounting bracket is the type of falling U, just the thread groove and the locating hole that run through have been seted up respectively to the both ends of mounting bracket and center department, the threaded post is installed to the thread inslot, just the mounting bracket passes through the threaded post and installs on the wall body, the fly leaf is installed in the inside of mounting bracket, just the fly leaf passes through bearing activity hinge joint with the mounting bracket, the connecting plate is installed in the below of mounting bracket, just the connecting plate passes through connecting block fixed connection with the fly leaf, the motor is installed on the mounting bracket, just the output shaft of motor runs through the locating hole. The utility model discloses simple structure, convenient to use can be according to the projected angle of adjustment projecting apparatus and height, and is convenient for install and dismantle.

Description

Projection equipment adjusting device for multimedia teaching

Technical Field

The utility model relates to a projecting apparatus equipment technical field specifically is a projecting apparatus adjusting device for multimedia teaching.

Background

The projector, also known as the projector, it is a kind of equipment that can project image or video on the curtain, can be connected with computer, VCD, DVD, BD, game machine, DV etc. through different interfaces and broadcast corresponding video signal, the projector wide application has CRT, LCD, different grade type in family, office, school and entertainment place, according to the working method difference, there is CRT, DLP, the projector generally hangs on the roof, its angle is difficult to adjust, make the video can't be accurate project on the curtain, influence the result of use, consequently, need a projecting apparatus adjusting device for multimedia teaching.

However, when the angle of the projector is adjusted by the existing projector positioning device, the adjusted angle is difficult to control, the height of the projector is inconvenient to control, and the existing projector is mostly fixedly arranged, so that the projector is inconvenient to overhaul.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projection equipment adjusting device for multimedia teaching to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a projection equipment adjusting device for multimedia teaching comprises a mounting frame, a movable plate, a connecting plate, a motor, a fixing seat, a projector body, a telescopic structure and a clamping structure, wherein the mounting frame is of an inverted U shape, two ends and the center of the mounting frame are respectively provided with a threaded groove and a positioning hole which are penetrated through, a threaded column is installed in the threaded groove, the mounting frame is installed on a wall body through the threaded column, the movable plate is installed inside the mounting frame, the movable plate is movably hinged with the mounting frame through a bearing, the connecting plate is installed below the mounting frame, the connecting plate and the movable plate are fixedly connected through a connecting block, the motor is installed on the mounting frame, an output shaft of the motor penetrates through the positioning hole and the connecting block to be connected with the connecting plate, the telescopic structure is installed on the surface of the lower, the fixing seat is installed at the bottom of the telescopic structure, a clamping groove is formed in the fixing seat, and the main body is installed below the fixing seat through a clamping structure.

Further, extending structure includes electric telescopic handle and telescopic connecting rod, electric telescopic handle installs in the lower extreme surface department of connecting plate, telescopic connecting rod is provided with a plurality ofly, and is a plurality of telescopic connecting rod installs respectively around electric telescopic handle, just telescopic connecting rod's flexible end is connected with the fixing base, is convenient for adjust the projected height of main part, is favorable to seeing the shadow person and watches.

Further, the clamping structure comprises a shell, springs, clamping plates and connecting columns, through holes are transversely formed in the shell in a penetrating mode, the springs are installed inside the shell, the clamping plates are provided with two connecting columns which are installed at two ends of each spring respectively, the connecting columns are installed on the surface of the lower end of the shell, the connecting columns are fixedly connected with the main body, the main body can be clamped conveniently, and the installation is convenient.

Furthermore, the mounting bracket is made of alloy materials, and the surface of the mounting bracket is coated with anticorrosive paint, so that the mounting bracket has higher strength and is not easy to deform and damage in the long-time use process.

Further, the connecting plate is equipped with the adjustable ring with output shaft connection department, just the inside of adjustable ring and the axle head of output shaft are equipped with assorted regulation tooth, are convenient for carry out the processing of slowing down to the transmission speed of output shaft for the rotational speed of connecting plate is less than the rotational speed of axis of rotation, is favorable to carrying out more subtle angle modulation to the main part.

Furthermore, the notch department installs the dust screen, prevents that the dust in the air from entering into the draw-in groove inside, protects draw-in groove inside, pollution abatement.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses be provided with the motor, adjustable ring and extending structure, through the starter motor, under the effect of motor, the output shaft rotates and drives the connecting plate and rotate the angle of adjusting the projecting apparatus, at output shaft pivoted in-process, the adjustable ring is adjusted the driven rotational speed of output shaft for finely tune the angle to the projecting apparatus, angle of adjustment is more accurate, and can adjust the input height of projecting apparatus through electric telescopic handle, makes the projection effect better, is convenient for watch.

2. The utility model discloses be provided with and clamp the structure, the cardboard through casing internally mounted clamps the casing in the draw-in groove of fixing base, and under the connecting effect of spliced pole to the projecting apparatus, clamps the projecting apparatus in the fixing base below, is convenient for install and dismantle the projecting apparatus, is favorable to overhauing the projecting apparatus.

Drawings

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

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the clamping structure of the present invention;

fig. 3 is a schematic view of the location of the positioning hole of the present invention;

FIG. 4 is a schematic view of the adjusting ring structure of the present invention;

fig. 5 is an enlarged schematic view of the point a in fig. 1 according to the present invention.

In the figure: 1. a mounting frame; 2. a movable plate; 3. a connecting plate; 4. a motor; 5. a fixed seat; 6. a main body; 7. a thread groove; 8. positioning holes; 9. an output shaft; 10. connecting blocks; 11. an electric telescopic rod; 12. a telescopic connecting rod; 13. a housing; 14. a spring; 15. clamping a plate; 16. connecting columns; 17. an adjusting ring; 18. adjusting teeth; 19. a dust screen.

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. 1-5, the present invention provides a technical solution: a projection equipment adjusting device for multimedia teaching comprises an installation frame 1, a movable plate 2, a connecting plate 3, a motor 4, a fixed seat 5, a projector main body 6, a telescopic structure for adjusting height and a clamping structure, wherein the installation frame 1 is of an inverted U shape, two ends and the center of the installation frame 1 are respectively provided with a threaded groove 7 and a positioning hole 8 which are penetrated through, a threaded column is installed in the threaded groove 7, the installation frame 1 is installed on a wall body through the threaded column, the movable plate 2 is installed inside the installation frame 1, the movable plate 2 is movably hinged with the installation frame 1 through a bearing, the connecting plate 3 is installed below the installation frame 1, the connecting plate 3 and the movable plate 2 are fixedly connected through a connecting block 10, the motor 4 is installed on the installation frame 1, and an output shaft 9 of the motor 4 penetrates through the positioning hole 8 and the connecting block 10 to be connected with the connecting, the telescopic structure is arranged on the surface of the lower end of the connecting plate 3, the fixing seat 5 is arranged at the bottom of the telescopic structure, a clamping groove is formed in the fixing seat 5, and the main body 6 is arranged below the fixing seat 5 through a clamping structure.

The telescopic structure comprises an electric telescopic rod 11 and a telescopic connecting rod 12, the electric telescopic rod 11 is installed at the lower end surface of the connecting plate 3, the telescopic connecting rod 12 is provided with a plurality of telescopic connecting rods 12 which are installed around the electric telescopic rod 11 respectively, and the telescopic end of the telescopic connecting rod 12 is connected with the fixing seat 5, so that the projection height of the main body 6 can be adjusted conveniently, and a viewer can watch the images better.

The clamping structure comprises a shell 13, springs 14, clamping plates 15 and connecting columns 16, through holes are transversely formed in the shell 13, the springs 14 are mounted inside the shell 13, the clamping plates 15 are provided with two ends which are respectively mounted at the two ends of the springs 14, the connecting columns 16 are mounted on the surface of the lower end of the shell 13, the connecting columns 16 are fixedly connected with the main body 6, the shell 13 is conveniently clamped in clamping grooves through the clamping plates 15, and the main body 6 is convenient to mount and dismount.

The mounting bracket 1 is made of alloy materials, and the surface of the mounting bracket 1 is coated with anticorrosive paint, so that the mounting bracket has certain strength and is not easy to deform and damage in a long-time use process.

The connecting plate 3 is equipped with adjustable ring 17 with the output shaft 9 junction, just the inside of adjustable ring 17 and the axle head of output shaft 9 are equipped with assorted regulation tooth 18, are convenient for carry out the deceleration to the driven rotational speed of output shaft 9, are favorable to more slightly to the angle modulation of main part 6.

The notch department installs dust screen 19, and the effectual dust that prevents in the air enters into the draw-in groove, protects draw-in groove inside.

The utility model discloses a theory of operation: a user installs the mounting rack 1 on a wall body, fixes the mounting rack 1 through the threaded column, then clamps the shell 13 inside the clamping groove in the fixed seat 5 through the clamping plate 15, under the connecting action of the connecting column 16 on the main body 6, the main body 6 is clamped below the fixed seat 5, when the angle is adjusted, the motor 4 is started, the output shaft 9 of the motor 4 rotates under the action of the motor 4, the angle of the connecting plate 3, and thus of the main body 6, is adjusted, during which, the adjusting ring 17 adjusts the rotating speed of the output shaft 9, so that the rotating speed of the connecting plate 3 is far less than the rotating speed of the output shaft 9 of the motor 4, thereby make the angle modulation to main part 6 more accurate, through electric telescopic handle 11, the upper and lower height when can adjusting the projection of main part 6 makes the sight shadow person watch more easily.

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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a projection equipment adjusting device for multimedia teaching, includes mounting bracket (1), fly leaf (2), connecting plate (3), motor (4), fixing base (5), main part (6) of projecting apparatus, is used for height-adjusting's extending structure and clamps the structure, its characterized in that: the mounting frame (1) is of an inverted U shape, both ends and the center of the mounting frame (1) are respectively provided with a threaded groove (7) and a positioning hole (8) which are penetrated through, a threaded column is installed in the threaded groove (7), the mounting frame (1) is installed on a wall body through the threaded column, the movable plate (2) is installed inside the mounting frame (1), the movable plate (2) is movably hinged with the mounting frame (1) through a bearing, the connecting plate (3) is installed below the mounting frame (1), the connecting plate (3) and the movable plate (2) are fixedly connected through a connecting block (10), the motor (4) is installed on the mounting frame (1), an output shaft (9) of the motor (4) penetrates through the positioning hole (8) and the connecting block (10) to be connected with the connecting plate (3), and the telescopic structure is installed on the lower end surface of the connecting plate (3), the fixing seat (5) is installed at the bottom of the telescopic structure, a clamping groove is formed in the fixing seat (5), and the main body (6) is installed below the fixing seat (5) through a clamping structure.

2. The adjustment device of a projection device for multimedia teaching as claimed in claim 1, wherein: the telescopic structure comprises an electric telescopic rod (11) and a telescopic connecting rod (12), wherein the electric telescopic rod (11) is installed at the lower end surface of the connecting plate (3), the telescopic connecting rod (12) is provided with a plurality of telescopic connecting rods (12), the telescopic connecting rods (12) are installed around the electric telescopic rod (11) respectively, and the telescopic end of the telescopic connecting rod (12) is connected with the fixing seat (5).

3. The adjustment device of a projection device for multimedia teaching as claimed in claim 1, wherein: the clamping structure comprises a shell (13), springs (14), clamping plates (15) and connecting columns (16), wherein through holes are transversely formed in the shell (13) in a penetrating mode, the springs (14) are installed inside the shell (13), the clamping plates (15) are provided with two parts which are respectively installed at two ends of each spring (14), the connecting columns (16) are installed on the surface of the lower end of the shell (13), and the connecting columns (16) are fixedly connected with a main body (6).

4. The adjustment device of a projection device for multimedia teaching as claimed in claim 1, wherein: the mounting rack (1) is made of alloy materials, and the surface of the mounting rack (1) is coated with anticorrosive paint.

5. The adjustment device of a projection device for multimedia teaching as claimed in claim 1, wherein: the connecting plate (3) is equipped with adjustable ring (17) with output shaft (9) junction, just the inside of adjustable ring (17) and the axle head of output shaft (9) are equipped with assorted regulation tooth (18).

6. The adjustment device of a projection device for multimedia teaching as claimed in claim 1, wherein: and a dustproof net (19) is arranged at the position of the clamping groove.