CN215258973U

CN215258973U - Multimedia projection device

Info

Publication number: CN215258973U
Application number: CN202121310888.0U
Authority: CN
Inventors: 张方坤
Original assignee: Jining Polytechnic
Current assignee: Jining Polytechnic
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-12-21
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a projection arrangement of multi-media, including main tributary stay tube, support arm, backing plate, support frame and bearing frame, one side on main tributary stay tube surface is fixed with the support arm, and the support arm is provided with three groups, and the bottom mounting of support arm has the backing plate to the central point department of putting of backing plate bottom installs the sucking disc, the inside slidable mounting of main tributary stay tube has the center post, and the central point department of putting on center post top is fixed with the bracket to the top of bracket is fixed with dull and stereotyped, the support frame is installed to one side on dull and stereotyped top, the central point department of putting on support frame top installs the damping circulator, and the top fixed mounting of damping circulator has the carousel. The utility model discloses not only improve projection arrangement's the stability of putting, the use convenience of reinforcing means still makes the projecting apparatus main part can move towards different projection angles, the staff's of being convenient for earlier stage debugging work.

Description

Multimedia projection device

Technical Field

The utility model relates to a projection arrangement technical field specifically is a multi-media projection arrangement.

Background

A projector is an optical instrument that magnifies the contour of a workpiece using an optical element and projects it onto a screen. The projector can be used for measuring the profile by using transmitted light, can also be used for measuring the surface shape without a through hole and observing the surface of a part by using reflected light, is widely applied to families, offices, schools and entertainment places at present, and has different types such as CRT, LCD, DLP and the like according to different working modes.

The projection devices on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.

(1) In the use process of the existing projection device, a projector is mostly directly arranged on a desktop, and the installation stability of the projection device needs to be improved;

(2) in the use process of the existing projection device, external auxiliary lifting equipment is generally required to adjust the height so as to meet the projection requirements of different heights, time and labor are wasted in the operation process, and the use limitation is high;

(3) the existing projection device is generally inconvenient to adjust the horizontal angle, and inconvenience is brought to early debugging of workers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-media projection arrangement to solve the inconvenient problem of not good, the highly inconvenient regulation of installation stability and earlier stage debugging of proposing the device among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a projection arrangement of multi-media, includes main tributary stay tube, support arm, backing plate, support frame and bearing frame, one side on main tributary stay tube surface is fixed with the support arm, and the support arm is provided with three groups, and the bottom mounting of support arm has the backing plate to the central point department of putting of backing plate bottom installs the sucking disc, the inside slidable mounting of main tributary stay tube has the center post, and the central point department of putting on center post top is fixed with the bracket, and the top of bracket is fixed with the flat board, the support frame is installed to one side on flat board top, the central point department of putting on support frame top installs the damping circulator, and the top fixed mounting of damping circulator has the carousel.

Preferably, reinforcing plates are fixed on one side of the surface of the supporting arm, and three groups of reinforcing plates are arranged.

Preferably, one side of the surface of the central column is provided with equally spaced internal thread grooves, one side of the surface of the main support pipe is provided with a positioning pin, and the positioning pin can be in threaded fit with the internal thread grooves.

Preferably, a bearing seat is installed at the center of the bottom of the support frame, and a bearing main body is installed inside the bearing seat.

Preferably, a middle shaft is installed inside the bearing main body, and the top end of the middle shaft is fixedly connected with a central shaft of the damping rotator.

Preferably, spacing wheel is installed to one side of carousel bottom, and the diaphragm is installed on the top of carousel, and the projecting apparatus main part is installed on the top of diaphragm to operating panel is installed to one side on projecting apparatus main part surface.

Compared with the prior art, the beneficial effects of the utility model are that: the multimedia projection device not only improves the placing stability of the projection device and enhances the use convenience of the device, but also enables the projector main body to face different projection angles, thereby facilitating the early debugging work of workers;

(1) the base is firmly adhered to the plane by the suction disc by utilizing the connection between the plane and the base by utilizing the suction disc at the bottom end of the base plate, so that the placing stability of the projection device is improved;

(2) the central column is manually moved upwards through the arrangement of the central column, the main supporting tube and the central column slide relatively, so that the positioning pin can be driven into the inner thread grooves at different positions, namely the positions of the main supporting tube and the central column are changed, the flat plate, the supporting frame and the projector main body can be lifted upwards by using the central column, the projector main body is positioned at different projection heights, and the use convenience of the device is enhanced;

(3) through being provided with bearing frame and damping circulator etc. manual rotation axis makes it drive carousel, diaphragm and projecting apparatus main part in proper order and rotates, and this in-process bearing main part, bearing frame can play spacing effect to centraxonial rotation, and the damping circulator carries on spacingly to centraxonial turned angle to make the projecting apparatus main part can move towards different projection angles, make its staff's of being convenient for debugging work in earlier stage.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic top view of the bracket of the present invention;

in the figure: 1. a main support tube; 2. a support arm; 3. a base plate; 4. a suction cup; 5. a central column; 6. a bracket; 7. a flat plate; 8. a support frame; 9. a projector main body; 10. a bearing seat; 11. a bearing body; 12. a middle shaft; 13. a damped rotator; 14. a turntable; 15. a transverse plate; 16. a limiting wheel; 17. an operation panel; 18. an internal thread groove; 19. positioning pins; 20. a reinforcing plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. 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 an embodiment: a multimedia projection device comprises a main support tube 1, support arms 2, backing plates 3, support frames 8 and bearing seats 10, wherein the support arms 2 are fixed on one side of the surface of the main support tube 1, three groups of the support arms 2 are arranged, the backing plates 3 are fixed at the bottom ends of the support arms 2, suckers 4 are installed at the central positions of the bottom ends of the backing plates 3, a central column 5 is installed inside the main support tube 1 in a sliding mode, a bracket 6 is fixed at the central position of the top end of the central column 5, a flat plate 7 is fixed at the top end of the bracket 6, the support frames 8 are installed on one side of the top ends of the flat plate 7, a damping rotator 13 is installed at the central position of the top ends of the support frames 8, and a rotary table 14 is fixedly installed at the top end of the damping rotator 13;

a limiting wheel 16 is installed on one side of the bottom end of the rotary table 14, a transverse plate 15 is installed on the top end of the rotary table 14, the projector main body 9 is installed on the top end of the transverse plate 15, and an operation panel 17 is installed on one side of the surface of the projector main body 9;

reinforcing plates 20 are fixed on one side of the surface of the supporting arm 2, and three groups of reinforcing plates 20 are arranged;

a triangular support is formed by the three groups of supporting arms 2, the main supporting tube 1 and the central column 5 to serve as a bearing base of the projector main body 9, then a horizontal plane is found, the sucking disc 4 at the bottom end of the backing plate 3 is used for connecting the plane with the base, the base can be firmly adhered to the plane through the sucking disc 4, and the placing stability of the projection device is improved;

a bearing seat 10 is arranged at the center of the bottom of the support frame 8, and a bearing main body 11 is arranged in the bearing seat 10;

a middle shaft 12 is arranged in the bearing main body 11, and the top end of the middle shaft 12 is fixedly connected with a central shaft of a damping rotator 13;

the central column 5 is manually moved upwards, so that the main support pipe 1 and the central column 5 slide relatively, the positioning pin 19 can be driven into the internal thread grooves 18 at different positions, namely the positions of the main support pipe 1 and the central column 5 are changed, and the flat plate 7, the support frame 8 and the projector main body 9 can be lifted upwards by using the central column 5, so that the projector main body 9 is positioned at different projection heights;

an equally-spaced internal thread groove 18 is formed in one side of the surface of the central column 5, a positioning pin 19 is arranged on one side of the surface of the main support pipe 1, and the positioning pin 19 can be in threaded fit with the internal thread groove 18;

the middle shaft 12 is rotated manually, so that the middle shaft sequentially drives the rotating disc 14, the transverse plate 15 and the projector main body 9 to rotate, the bearing main body 11 and the bearing seat 10 can limit the rotation of the middle shaft 12 in the process, and the damping rotator 13 limits the rotation angle of the middle shaft 12, so that the projector main body 9 can face different projection angles.

The working principle is as follows: when the device is used, firstly, a triangular support is formed by the three groups of supporting arms 2, the main supporting pipe 1 and the central column 5 to serve as a bearing base of the projector main body 9, then a horizontal plane is found, the sucking disc 4 at the bottom end of the backing plate 3 is used for connecting the plane with the base, the base can be firmly adhered to the plane by the sucking disc 4, the placing stability of the projector device is improved, then the central column 5 is manually moved upwards according to the projection height, so that the main supporting pipe 1 and the central column 5 slide relatively, the positioning pin 19 can be driven into the inner thread grooves 18 at different positions, namely, the positions of the main supporting pipe 1 and the central column 5 are changed, the flat plate 7, the supporting frame 8 and the projector main body 9 can be upwards lifted by the central column 5, the projector main body 9 is positioned at different projection heights, the using convenience of the device is enhanced, the central shaft 12 is manually rotated, and the central shaft drives the rotary table 14, the rotary table 14 and the rotary table 5, Diaphragm 15 and projecting apparatus main part 9 rotate, and bearing body 11, bearing frame 10 can play spacing effect to the rotation of axis 12 in this process, and damping circulator 13 is spacing to the turned angle of axis 12 to make projecting apparatus main part 9 can move towards different projection angles, make its staff's debugging work in earlier stage of being convenient for.

Claims

1. A multimedia projection device is characterized in that: comprises a main supporting pipe (1), a supporting arm (2), a backing plate (3), a supporting frame (8) and a bearing seat (10), one side of the surface of the main supporting pipe (1) is fixed with three groups of supporting arms (2), the bottom ends of the supporting arms (2) are fixed with backing plates (3), a sucker (4) is arranged at the central position of the bottom end of the backing plate (3), a central column (5) is arranged in the main supporting tube (1) in a sliding way, and a bracket (6) is fixed at the central position of the top end of the central column (5), a flat plate (7) is fixed at the top end of the bracket (6), a supporting frame (8) is arranged at one side of the top end of the flat plate (7), the center position department on support frame (8) top installs damping circulator (13), and the top fixed mounting of damping circulator (13) has carousel (14).

2. A multimedia projection apparatus according to claim 1, wherein: reinforcing plates (20) are fixed on one side of the surface of the supporting arm (2), and three groups of reinforcing plates (20) are arranged.

3. A multimedia projection apparatus according to claim 1, wherein: and one side of the surface of the central column (5) is provided with equally spaced internal thread grooves (18), one side of the surface of the main support pipe (1) is provided with a positioning pin (19), and the positioning pin (19) can be in threaded fit with the internal thread grooves (18).

4. A multimedia projection apparatus according to claim 1, wherein: the bearing seat (10) is installed at the center position of support frame (8) bottom, and the internally mounted of bearing seat (10) has bearing main part (11).

5. A multimedia projection apparatus according to claim 4, wherein: a middle shaft (12) is installed inside the bearing main body (11), and the top end of the middle shaft (12) is fixedly connected with a central shaft of the damping rotator (13).

6. A multimedia projection apparatus according to claim 1, wherein: spacing wheel (16) are installed to one side of carousel (14) bottom, and diaphragm (15) are installed on the top of carousel (14), and projector main part (9) are installed on the top of diaphragm (15) to operating panel (17) are installed to one side on projector main part (9) surface.