CN212776320U

CN212776320U - Projecting apparatus is used in education and teaching speech

Info

Publication number: CN212776320U
Application number: CN202021134232.3U
Authority: CN
Inventors: 杨冬梅
Original assignee: Shanghai Dream Storm Science And Education Equipment Co ltd
Current assignee: Shanghai Dream Storm Science And Education Equipment Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-03-23
Anticipated expiration: 2030-06-18

Abstract

The utility model belongs to the technical field of the education, especially, be a projecting apparatus is used in education and teaching speech, including first motor, the output shaft of first motor has the carousel, the below of carousel is provided with first backup pad, the surface of first backup pad is provided with first electronic slide rail, one side of first electronic slide rail is provided with the second backup pad, the surface of second backup pad is provided with the electronic slide rail of second, one side of the electronic slide rail of second is provided with the slider, one side of slider is provided with the third backup pad. This education and teaching is projecting apparatus for speech through being provided with the carousel in the below of first motor, can rotate the projecting apparatus, does not need the manual work to move and throws different position, is provided with first electronic slide rail through the surface at first backup pad, can reciprocate the regulation to the projecting apparatus, is provided with the electronic slide rail of second through the surface at the second backup pad, can remove the horizontal regulation to the projecting apparatus.

Description

Projecting apparatus is used in education and teaching speech

Technical Field

The utility model belongs to the technical field of the education, concretely relates to projecting apparatus is used in education and teaching speech.

Background

The projector is an optical instrument which uses optical elements to enlarge the outline of a workpiece and projects the workpiece onto a screen, can be used for measuring the outline by using transmitted light and measuring the surface shape without through holes and observing the surface of the workpiece by using reflected light, is particularly suitable for measuring complex outlines and fine workpieces such as clock parts, stamping parts, electronic elements, templates, dies, threads, gears, forming cutters and the like, has high inspection efficiency and convenient use, is widely applied to measuring rooms and production workshops, is particularly suitable for meeting occasions in the instrument industry, instruments and clocks industry, is also called as a projector, is equipment capable of projecting images or videos onto a screen, can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV and the like through different interfaces to play corresponding video signals, and is widely applied to families, offices, schools and entertainment occasions at present, there are different types of CRT, LCD, DLP, etc. depending on the operation mode.

Education meeting type projecting apparatus is generally positioned school and enterprise and uses, is the equipment that uses commonly in the education and teaching, but current projecting apparatus is not convenient for install and short distance removal, and the structure is fairly simple, is not convenient for adjust.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a projecting apparatus is used in education and teaching speech has solved the problem that current projecting apparatus is not convenient for adjust the removal.

In order to achieve the above object, the utility model provides a following technical scheme: a projector for education and teaching lectures comprises a first motor, wherein an output shaft of the first motor is connected with a rotary disc, a first supporting plate is arranged below the rotary disc, a first electric slide rail is arranged on the surface of the first supporting plate, a second supporting plate is arranged on one side of the first electric slide rail, a second electric slide rail is arranged on the surface of the second supporting plate, a sliding block is arranged on one side of the second electric slide rail, a third supporting plate is arranged on one side of the sliding block, a sliding groove is arranged on the surface of the third supporting plate, the third supporting plate is movably connected with a projector through the sliding groove, a dust guard is arranged above the projector, a dust suction box is arranged on the upper surface of the dust guard, an air suction cover is arranged on the lower surface of the dust guard, a second motor is arranged on one side of the dust guard, and an output shaft of the second motor is connected with a, the one end of cleaning roller passes through the fixed block and links to each other with the dust guard, one side of projecting apparatus is provided with the air exit, the inside of projecting apparatus is provided with the refrigeration case, the front of projecting apparatus is provided with the camera lens, the camera lens has the lens cap through rotation axis connection, the inboard of lens cap is provided with transmission structure.

Preferably, one side of refrigeration case is provided with the air intake, the inside of refrigeration case is provided with the semiconductor refrigeration piece, one side of semiconductor refrigeration piece is provided with the exhaust fan, the one end of refrigeration case is provided with the air outlet.

Preferably, the inside of dust collection box is provided with the static non-woven fabrics, the one end of dust collection box is provided with the air intake, the other end of dust collection box is provided with the air outlet, one side of static non-woven fabrics is provided with the exhaust fan.

Preferably, the transmission structure comprises a first gear, one side of the first gear is connected with the lens cover through a rotating shaft, the other side of the first gear is provided with a second gear, and one end of the first gear is connected with a third motor through a rotating shaft.

Preferably, four corners of the top of the first motor are provided with fixing plates, a second fixing bolt is arranged on the surface of each fixing plate, a first fixing bolt is arranged on the surface of the second supporting plate, and a third fixing bolt is arranged on the surface of the sliding block.

Preferably, the surface of the cleaning roller is uniformly provided with brushes, the surface of the projector is provided with a vent, and the surface of the vent is provided with a dust screen.

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

the projector for education and teaching lecture can rotate by arranging the turntable below the first motor, can project in different directions without manual movement, can adjust the projector up and down by arranging the first electric slide rail on the surface of the first support plate, can adjust the projector left and right by arranging the second electric slide rail on the surface of the second support plate, can adjust the projector left and right by arranging the slide groove on the surface of the third support plate, can move the projector back and forth by arranging the slide groove on the surface of the third support plate, can change the size of an image, can prevent dust from falling on the upper surface to influence the image by arranging the lens cover on one side of the lens when not in use, can quickly dissipate heat of the projector by arranging the refrigeration box in the projector, can clean the surface of the projector by arranging the cleaning roller below the dust guard plate, the sanitation of the surface of the projection instrument is guaranteed, and when dust is cleaned, the dust enters the dust collection box and is discharged after being filtered, so that the dust is prevented from flying to affect the classroom sanitation.

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 three-dimensional structure of the present invention;

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

fig. 3 is a perspective view of the projector according to the present invention;

fig. 4 is a sectional view of the refrigeration case of the present invention;

FIG. 5 is a cross-sectional view of the dust suction box of the present invention;

fig. 6 is a sectional view of the transmission structure of the present invention.

In the figure: 1 a first motor; 2, rotating a disc; 3 a first support plate; 4 a first electric slide rail; 5 a second support plate; 6 a second electric slide rail; 7 a third support plate; 8, a dust guard plate; 9 a projector; 10 a dust suction box; 11 a lens; 12 lens cover; 13 a first fixing bolt; 14 fixing the plate; 15 a second fixing bolt; 16 a third fixing bolt; 17 a second motor; 18 cleaning rollers; 19 air outlet; 20 a refrigeration case; 21 semiconductor refrigerating sheets; 22 electrostatic non-woven fabric; 23 a first gear; 24 a second gear; 25 a third motor; 26 slide block.

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. 1-6, the present invention provides the following technical solutions: a projector for education and teaching lectures comprises a first motor 1, wherein an output shaft of the first motor 1 is connected with a rotary disc 2, a projector 9 can be rotated, manual movement is not needed for projecting in different directions, a first supporting plate 3 is arranged below the rotary disc 2, a first electric slide rail 4 is arranged on the surface of the first supporting plate 3, up-and-down movement adjustment can be carried out on the projector 9, a second supporting plate 5 is arranged on one side of the first electric slide rail 4, a second electric slide rail 6 is arranged on the surface of the second supporting plate 5, left-and-right movement adjustment can be carried out on the projector 9, a slide block 26 is arranged on one side of the second electric slide rail 6, a third supporting plate 7 is arranged on one side of the slide block 26, a sliding groove is arranged on the surface of the third supporting plate 7, the projector 9 can be moved back and forth, the size of an image is changed, the third, a dust-proof plate 8 is arranged above the projector 9 to prevent dust from falling onto the projector 9, a dust-absorbing box 10 is arranged on the upper surface of the dust-proof plate 8, when dust is cleaned, the dust enters the dust-absorbing box 10 to be filtered and then is discharged to prevent the dust from flying upward to influence classroom sanitation, an air-sucking cover is arranged on the lower surface of the dust-proof plate 8, a second motor 17 is arranged on one side of the dust-proof plate 8, an output shaft of the second motor 17 is connected with a cleaning roller 18 to clean the surface of the projector 9 and ensure the sanitation of the surface of the projector 9, one end of the cleaning roller 18 is connected with the dust-proof plate 8 through a fixed block, an air outlet 19 is arranged on one side of the projector 9, a refrigeration box 20 is arranged inside the projector 9, a lens 11 is arranged on the front side of the projector 9, the lens 11 is connected with a lens cover 12 through a rotating shaft, when the projector, the inner side of the lens cover 12 is provided with a transmission structure.

Specifically, one side of refrigeration case 20 is provided with the air intake, and the inside of refrigeration case 20 is provided with semiconductor refrigeration piece 21, can dispel the heat fast to projecting apparatus 9, and one side of semiconductor refrigeration piece 21 is provided with the exhaust fan, and the one end of refrigeration case 20 is provided with the air outlet.

Specifically, the inside of dust collection box 10 is provided with static non-woven fabrics 22, adsorbs the dust, and the one end of dust collection box 10 is provided with the air intake, and the other end of dust collection box 10 is provided with the air outlet, and one side of static non-woven fabrics 22 is provided with the exhaust fan.

Specifically, the transmission structure includes a first gear 23, one side of the first gear 23 is connected to the lens cover 12 through a rotation shaft, the other side of the first gear 23 is provided with a second gear 24, and one end of the first gear 24 is connected to a third motor 25 through a rotation shaft.

Specifically, four corners of the top of the first motor 1 are provided with fixing plates 14, a surface of each fixing plate 14 is provided with a second fixing bolt 15, a surface of the second support plate 5 is provided with a first fixing bolt 13, and a surface of the slider 26 is provided with a third fixing bolt 16.

Specifically, the surface of the cleaning roller 18 is uniformly provided with a brush, the surface of the projector 9 is provided with a vent, and the surface of the vent is provided with a dust screen to prevent dust from entering the projector 9.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the first motor 1 is fixed on the wall through the second fixing bolt 15, the first motor 1 drives the turntable 2 to rotate the device to a proper position, the projector 9 is moved up and down and left and right through the first electric slide rail 4 and the second electric slide rail 6, after the device is moved to a proper position, the second support plate 5 and the first support plate 3 are fixed through the first fixing bolt 13, the slider 26 and the second support plate 5 are fixed through the third fixing bolt 16, the projector 9 is moved back and forth through the sliding chute, when the device is moved, the cleaning roller 18 is driven by the second motor 17 to clean the surface of the projector 9, dust enters the dust suction box 10 through the suction hood and is discharged after being filtered by the electrostatic non-woven fabric 22, when the projector 9 is used, the first gear 24 is driven to rotate by the third motor 25, the first gear 24 drives the second gear 24 to rotate, second gear 24 drives the axis of rotation on lens cover 12 and rotates to lens cover 12 can be opened, use projecting apparatus 9 in-process, inside the air got into projecting apparatus 9 through the vent, after carrying out rapid cooling to projecting apparatus 9 through refrigeration case 20, the air was discharged from air exit 19.

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 projecting apparatus for education and teaching speech, includes first motor (1), its characterized in that: the output shaft of the first motor (1) is connected with a turntable (2), a first supporting plate (3) is arranged below the turntable (2), a first electric sliding rail (4) is arranged on the surface of the first supporting plate (3), a second supporting plate (5) is arranged on one side of the first electric sliding rail (4), a second electric sliding rail (6) is arranged on the surface of the second supporting plate (5), a sliding block (26) is arranged on one side of the second electric sliding rail (6), a third supporting plate (7) is arranged on one side of the sliding block (26), a sliding groove is arranged on the surface of the third supporting plate (7), the third supporting plate (7) is movably connected with a projector (9) through the sliding groove, a dust guard (8) is arranged above the projector (9), a dust suction box (10) is arranged on the upper surface of the dust guard (8), and an air suction cover is arranged on the lower surface of the dust guard (8), one side of dust guard (8) is provided with second motor (17), the output shaft of second motor (17) has cleaning roller (18), the one end of cleaning roller (18) is passed through the fixed block and is linked to each other with dust guard (8), one side of projecting apparatus (9) is provided with air exit (19), the inside of projecting apparatus (9) is provided with refrigeration case (20), the front of projecting apparatus (9) is provided with camera lens (11), camera lens (11) have lens cap (12) through rotation axis connection, the inboard of lens cap (12) is provided with transmission structure.

2. A projector for educational teaching lectures according to claim 1, wherein: one side of refrigeration case (20) is provided with the air intake, the inside of refrigeration case (20) is provided with semiconductor refrigeration piece (21), one side of semiconductor refrigeration piece (21) is provided with the exhaust fan, the one end of refrigeration case (20) is provided with the air outlet.

3. A projector for educational teaching lectures according to claim 1, wherein: the inside of dust collection box (10) is provided with static non-woven fabrics (22), the one end of dust collection box (10) is provided with the air intake, the other end of dust collection box (10) is provided with the air outlet, one side of static non-woven fabrics (22) is provided with the exhaust fan.

4. A projector for educational teaching lectures according to claim 1, wherein: the transmission structure comprises a first gear (23), one side of the first gear (23) is connected with the lens cover (12) through a rotating shaft, the other side of the first gear (23) is provided with a second gear (24), and one end of the first gear (23) is connected with a third motor (25) through the rotating shaft.

5. A projector for educational teaching lectures according to claim 1, wherein: fixing plates (14) are arranged at four corners of the top of the first motor (1), second fixing bolts (15) are arranged on the surfaces of the fixing plates (14), first fixing bolts (13) are arranged on the surfaces of the second supporting plates (5), and third fixing bolts (16) are arranged on the surfaces of the sliding blocks (26).

6. A projector for educational teaching lectures according to claim 1, wherein: the surface of the cleaning roller (18) is uniformly provided with brushes, the surface of the projector (9) is provided with a vent, and the surface of the vent is provided with a dust screen.