CN212390082U

CN212390082U - Projector suspension structure for computer teaching

Info

Publication number: CN212390082U
Application number: CN202021063552.4U
Authority: CN
Inventors: 李惠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-01-22
Anticipated expiration: 2030-06-09

Abstract

The utility model belongs to the technical field of the supplementary erection equipment of projecting apparatus, especially, be a projecting apparatus suspended structure for computer teaching, which comprises a roof, the inner wall of roof bottom passes through the first motor of safety cover fixedly connected with, the first gear of output fixedly connected with of first motor, first gear surface meshing has the toothed disc, the bottom fixedly connected with regulating plate of toothed disc, the inside fixed surface of regulating plate is connected with the profile of tooth strip. The utility model discloses a start the second motor and drive the second gear and rotate, utilize second gear engagement rack, slide from top to bottom in the spout through the sleeve to the projecting apparatus that makes under the lift post carries out altitude mixture control, thereby drive first gear engagement toothed disc and drive the regulating plate through starting first motor and carry out three hundred sixty degrees freedom angle of adjustment, this structure, simple and practical convenience makes corresponding adjustment according to different environment and needs, light realization projection debugging work.

Description

Projector suspension structure for computer teaching

Technical Field

The utility model relates to a supplementary erection equipment technical field of projecting apparatus specifically is a projecting apparatus suspended structure for computer teaching.

Background

With the progress of society, various projectors are more widely entering the lives of people, most projectors are used in classrooms of schools, exhibition halls, conference rooms of companies and the like, and the projectors are used for teaching or demonstrating so as to better teach and express the real meanings of the presenter. At present, the projector is mainly portable and fixed, portable general function is single but surpasses at convenient to carry, and fixed projector fixes on the ceiling in place more, and the fixed mode of straight section of thick bamboo height constant formula is adopted to most, because resolution ratio scheduling problem in the use, can not adjust it, often leads to the projection effect unsatisfactory, to sum up the research discovery has following problem:

1. hang among the prior art support simple structure, inconvenient carry out altitude mixture control to the projecting apparatus, and inconvenient still need angle of rotation about the projecting apparatus level according to the environment, reach the effect of projection picture, it is very inconvenient to use.

2. Most carry out fixed mounting to only the projecting apparatus among the prior art, make the projecting apparatus expose outside for a long time, advance the dust easily, it is dustproof inconvenient to protect the projecting apparatus, influences the life of projecting apparatus.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a projecting apparatus suspended structure for computer teaching has solved the inconvenience and has carried out altitude mixture control and control rotation to the projecting apparatus and carry out the regulation of angle, and the inconvenience protects dirt-proof problem to the projecting apparatus.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a projector suspension structure for computer teaching comprises a top plate, wherein a first motor is fixedly connected to the inner wall of the bottom of the top plate through a protective cover, a first gear is fixedly connected to the output end of the first motor, a gear disc is meshed with the surface of the first gear, an adjusting plate is fixedly connected to the bottom of the gear disc, a tooth-shaped strip is fixedly connected to the inner surface of the adjusting plate, a sliding groove is formed in one side wall of the tooth-shaped strip, a sliding block is slidably connected to the inner part of the sliding groove, a fixing rod is fixedly connected to the surface of the sliding block, a sleeve is fixedly connected to one end of the fixing rod, a second motor is fixedly connected to the inner part of the sleeve through a cushion block, a rotating shaft is fixedly connected to the output end of the second motor, one end of the rotating shaft is rotatably connected to the inner wall, the telescopic bottom fixed surface is connected with the lift post, the surperficial sliding connection of lift post has the dust cover, the bottom fixed connection of dust cover has the slide bar, the surperficial sliding connection of slide bar has dustproof cloth, the surperficial sliding connection of slide bar has the slide.

As an optimal technical scheme of the utility model, the inner wall of toothed disc is connected with the supporting shoe through the bearing rotation, on the inner wall of the bottom fixed connection roof of supporting shoe.

As an optimal technical scheme of the utility model, the surface toothing profile of tooth strip of second gear, the equal fixed connection stopper in both ends of profile of tooth strip, telescopic back is equipped with the opening.

As a preferred technical scheme of the utility model, the bottom fixedly connected with connecting rod of regulating plate, the one end fixed connection of connecting rod is at the top surface of dust cover.

As a preferred technical scheme of the utility model, the top surface of dust cover is located the sealed piece of one side fixedly connected with of connecting rod, the surperficial sliding connection lift post of sealed piece.

As a preferred technical scheme of the utility model, the one end fixed connection dust cover of dustproof cloth, the other end fixed connection slide of dustproof cloth.

As an optimal technical scheme of the utility model, two the bottom surface of slide is fixed through the buckle overlap joint, lift post and profile of tooth strip are not on same mounting plane.

(III) advantageous effects

Compared with the prior art, the utility model provides a projecting apparatus suspended structure for computer teaching possesses following beneficial effect:

1. this a projecting apparatus suspended structure for computer teaching drives second gear revolve through starting the second motor, utilizes second gear engagement rack, slides from top to bottom in the spout through the sleeve to the projecting apparatus that makes under the lift post carries out altitude mixture control, thereby it carries out three hundred sixty degrees freedom adjustment angles to drive the regulating plate through starting first motor and carry out three hundred sixty degrees freedom adjustment angles, this structure, simple and practical is convenient, make corresponding adjustment according to different environment and needs, light projection debugging work of realizing.

2. This a projecting apparatus suspended structure for computer teaching connects the dust cover through the regulating plate bottom, withdraws to the dust cover in through adjusting when the projection finishes, carries out effectual protection and dustproof to the projecting apparatus, utilizes dustproof cloth and slide to prevent that the dust from getting into in the dust cover, and the convenience is opened and is closed the dust cover simultaneously to improve the life of projecting apparatus.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a left side sectional view of the sleeve of the present invention;

fig. 3 is a cross-sectional view of the top plate of the present invention;

fig. 4 is an enlarged view of the area a in fig. 1 according to the present invention.

In the figure: 1. a top plate; 2. a first motor; 3. a first gear; 4. a gear plate; 5. a support block; 6. an adjusting plate; 7. a toothed strip; 8. a chute; 9. a slider; 10. fixing the rod; 11. a sleeve; 12. a second motor; 13. a rotating shaft; 14. a second gear; 15. a lifting column; 16. a connecting rod; 17. a dust cover; 18. a sealing block; 19. a slide bar; 20. a dust cloth; 21. a slide plate; 22. and (5) buckling.

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.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a projector suspension structure for computer teaching comprises a top plate 1, wherein the inner wall of the bottom of the top plate 1 is fixedly connected with a first motor 2 through a protective cover, the output end of the first motor 2 is fixedly connected with a first gear 3, the surface of the first gear 3 is meshed with a gear disc 4, the bottom of the gear disc 4 is fixedly connected with an adjusting plate 6, the inner surface of the adjusting plate 6 is fixedly connected with a toothed strip 7, one side wall of the toothed strip 7 is provided with a chute 8, the inside of the chute 8 is slidably connected with a sliding block 9, the surface of the sliding block 9 is fixedly connected with a fixed rod 10, one end of the fixed rod 10 is fixedly connected with a sleeve 11, the inside of the sleeve 11 is fixedly connected with a second motor 12 through a cushion block, the output end of the second motor 12 is fixedly connected with a rotating shaft 13, one end of the rotating shaft 13 is rotatably connected with the, the bottom surface of sleeve 11 is fixedly connected with lift post 15, and the surperficial sliding connection of lift post 15 has dust cover 17, and the bottom fixedly connected with slide bar 19 of dust cover 17, the surperficial sliding connection of slide bar 19 has dustproof cloth 20, and the surperficial sliding connection of slide bar 19 has slide 21.

In the embodiment, the second gear 14 is driven to rotate by starting the second motor 12, the second gear 14 is meshed with the toothed strip 7 and slides up and down in the chute 8 through the sleeve 11, so that the height of the projector at the bottom of the lifting column 15 is adjusted, the first gear 3 is driven to be meshed with the gear disc 4 by starting the first motor 2 so as to drive the adjusting plate 6 to freely adjust the angle by three hundred sixty degrees, and the structure is simple, practical and convenient, and can be adjusted correspondingly according to different environments and requirements, so that the projection debugging work is easily realized; connect dust cover 17 through regulating plate 6 bottom, withdraw to dust cover 17 in through the regulation when the projection finishes, carry out effectual protection and dustproof to the projecting apparatus, utilize dustproof cloth 20 and slide bar 19 to prevent that the dust from getting into in dust cover 17, conveniently open and close dust cover 17 simultaneously to improve the life of projecting apparatus.

Specifically, the inner wall of the gear disc 4 is rotatably connected with a supporting block 5 through a bearing, and the bottom of the supporting block 5 is fixedly connected with the inner wall of the top plate 1.

In this embodiment, the setting up of supporting shoe 5 is convenient to carry on spacingly and support to toothed disc 4, conveniently to the adjusting plate 6 rotation, makes the projecting apparatus can carry out angle modulation, and then makes more firm of overall structure.

Specifically, the surface of the second gear 14 is engaged with the toothed strip 7, two ends of the toothed strip 7 are fixedly connected with the limiting blocks, and the back of the sleeve 11 is provided with an opening.

In this embodiment, the toothed bar 7 is engaged with the second gear 14 to drive the sleeve 11 to slide up and down in the sliding groove 8, so that the projector at the bottom of the lifting column 15 moves up and down to be adjusted.

Specifically, the bottom of the adjusting plate 6 is fixedly connected with a connecting rod 16, and one end of the connecting rod 16 is fixedly connected to the top surface of the dust cover 17.

In this embodiment, connect dust cover 17 and regulating plate 6 through connecting rod 16, make whole structure more firm, make things convenient for the projecting apparatus in the dust cover 17 to reciprocate and open or the operation of closing.

Specifically, a sealing block 18 is fixedly connected to the top surface of the dust cover 17 at one side of the connecting rod 16, and the surface of the sealing block 18 is slidably connected to the lifting column 15.

In this embodiment, through the setting of sealed piece 18, prevent that the spliced pole of dust cover 17 top and lift post 15 from getting into the dust, form airtight space to dust cover 17, effectively prevent dust to the projecting apparatus.

Specifically, one end of the dustproof cloth 20 is fixedly connected with the dustproof cover 17, and the other end of the dustproof cloth 20 is fixedly connected with the sliding plate 21.

In the embodiment, the dustproof cloth 20 is connected to the surface of the sliding rod 19, and the dustproof cloth 20 is made of polyester fiber materials, so that the dustproof cloth is good in wrinkle resistance, elasticity, dimensional stability and insulating property, convenient to fold when opened and closed and very convenient.

Specifically, the bottom surfaces of the two sliding plates 21 are fixed in an overlapping manner through the buckles 22, and the lifting column 15 and the toothed strip 7 are not on the same mounting plane.

In this embodiment, through the setting of buckle 22, conveniently stimulate slide 21 and drive dustproof cloth 20 and seal the back to dust cover 17, fix the chucking, prevent to slide smoothly.

The utility model discloses a theory of operation and use flow: the top plate 1 is fixedly installed on a ceiling, a first motor 2 is connected with the inner wall of the top plate 1, the first motor 2 is started to drive a first gear 3 to rotate, the first gear 3 is meshed with a gear disc 4, an adjusting plate 6 is connected with the bottom of the gear disc 4 to drive the adjusting plate 6 to horizontally rotate left and right, the angle of a projector is adjusted, the gear disc 4 is supported and slidably connected through a supporting block 5, the gear disc 4 is supported and limited, a tooth-shaped strip 7 is connected through the adjusting plate 6, a sliding groove 8 is formed in the side wall of the adjusting plate 6, a sliding block 9 is connected through the sliding groove 8, a fixing rod 10 is connected through the sliding block 9, a sleeve 11 is connected through the fixing rod 10, a rotating shaft 13 is connected through a second motor 12 inside the sleeve 11, a second gear 14 on the surface of the rotating shaft is driven through the second motor 12, and the second gear 14, connect lift post 15 through sleeve 11 bottom, conveniently adjust from top to bottom the projecting apparatus of lift post 15 bottom, connect connecting rod 16 through regulating plate 6 bottom, connect dust cover 17 through connecting rod 16 bottom, protect the projecting apparatus, it is dustproof, through dust cover 17 surface connection sealed piece 18, place the dust and get into from dust cover 17 top gap, connect slide bar 19 bottom dust cover 17, conveniently open dust cover 17, connect dustproof cloth 20 through slide bar 19 surface connection, it is convenient dustproof to its bottom, prevent that the dust from getting into, through the surface connection slide 21 at slide bar 19, conveniently stimulate dustproof cloth 20, open and close dust cover 17, connect buckle 22 bottom two slide 21, conveniently fix it.

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. A projector suspension structure for computer teaching, comprising a top plate (1), characterized in that: the inner wall of the bottom of the top plate (1) is fixedly connected with a first motor (2) through a protective cover, the output end of the first motor (2) is fixedly connected with a first gear (3), the surface of the first gear (3) is meshed with a gear disc (4), the bottom of the gear disc (4) is fixedly connected with an adjusting plate (6), the inner surface of the adjusting plate (6) is fixedly connected with a tooth-shaped strip (7), one side wall of the tooth-shaped strip (7) is provided with a chute (8), the inner part of the chute (8) is slidably connected with a sliding block (9), the surface of the sliding block (9) is fixedly connected with a fixed rod (10), one end of the fixed rod (10) is fixedly connected with a sleeve (11), the inner part of the sleeve (11) is fixedly connected with a second motor (12) through a cushion block, and the output end of the second motor, the inner wall surface of connecting sleeve (11) is rotated through the bearing to the one end of pivot (13), the fixed surface of pivot (13) is connected with second gear (14), the bottom fixed surface of sleeve (11) is connected with lift post (15), the sliding surface of lift post (15) is connected with dust cover (17), the bottom fixedly connected with slide bar (19) of dust cover (17), the sliding surface of slide bar (19) is connected with dustproof cloth (20), the sliding surface of slide bar (19) is connected with slide (21).

2. A projector suspension structure for computer teaching according to claim 1, wherein: the inner wall of the gear disc (4) is rotatably connected with a supporting block (5) through a bearing, and the bottom of the supporting block (5) is fixedly connected with the inner wall of the top plate (1).

3. A projector suspension structure for computer teaching according to claim 1, wherein: the surface of the second gear (14) is meshed with the toothed strip (7), two ends of the toothed strip (7) are fixedly connected with limiting blocks, and the back of the sleeve (11) is provided with an opening.

4. A projector suspension structure for computer teaching according to claim 1, wherein: the bottom fixedly connected with connecting rod (16) of regulating plate (6), the one end fixed connection of connecting rod (16) is at the top surface of dust cover (17).

5. A projector suspension structure for computer teaching according to claim 1, wherein: the top surface of the dust cover (17) is located on one side of the connecting rod (16) and is fixedly connected with a sealing block (18), and the surface of the sealing block (18) is connected with the lifting column (15) in a sliding mode.

6. A projector suspension structure for computer teaching according to claim 1, wherein: one end of the dustproof cloth (20) is fixedly connected with the dustproof cover (17), and the other end of the dustproof cloth (20) is fixedly connected with the sliding plate (21).

7. A projector suspension structure for computer teaching according to claim 1, wherein: the bottom surfaces of the two sliding plates (21) are fixed in an overlapping mode through buckles (22), and the lifting column (15) and the toothed strip (7) are not on the same installation plane.