CN214789870U

CN214789870U - Teaching projection arrangement is used in education management

Info

Publication number: CN214789870U
Application number: CN202022678832.2U
Authority: CN
Inventors: 杨瑞
Original assignee: Ningxia Vocational Technical College Of Industry And Commerce Ningxia Chemical Technical School School Of Mechanical And Electrical Engineering Ningxia Agricultural Mechanization School
Current assignee: Ningxia Vocational Technical College Of Industry And Commerce Ningxia Chemical Technical School School Of Mechanical And Electrical Engineering Ningxia Agricultural Mechanization School
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-11-19
Anticipated expiration: 2030-11-18

Abstract

The utility model provides a teaching projection arrangement for education management, including bottom plate and elevating system, the top of bottom plate is fixed with the headstock, the top of headstock is fixed with the pillar, the inner wall sliding connection of pillar has the slide bar, the top of slide bar rotates and is connected with the mounting panel, the top of mounting panel is installed the projecting apparatus; the lifting mechanism comprises a threaded rod, a first bevel gear, a rotating shaft and a second bevel gear, the outer side of the threaded rod is connected with the inner thread of the sliding rod, and the inner side of the first bevel gear is fixedly connected with one side, away from the sliding rod, of the threaded rod. The utility model discloses a set up pillar and slide bar, make the projecting apparatus on the mounting panel have the function of adjusting from top to bottom, through setting up threaded rod, first conical gear, pivot and second conical gear, the person of facilitating the use makes projecting apparatus's height adjust through the height of rotating shaft control slide bar, improves and uses the convenience.

Description

Teaching projection arrangement is used in education management

Technical Field

The utility model relates to an education management field especially relates to an education management is with teaching projection arrangement.

Background

Along with the continuous development of education cause, people pay more and more attention to education, more and more scientific inventions are used in the field of education, in the aspect of teaching of schools, some traditional teaching tools are eliminated, teachers teach through manuscripts before, the teaching speed is too slow, the burden of the teachers is also greatly increased, many knowledge is difficult to express on a blackboard, and some problems are solved due to the appearance of a projector.

When the existing projector is used, a lecturer puts the projector on a desktop at the back row in a room, if the height of the projector is not enough, a file and other cushions are needed to be used to increase the height below the projector, so that the adjustment is very troublesome, and time and labor are wasted.

Therefore, the teaching projection device for education management is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an education management is with teaching projection arrangement to solve the problem that proposes in the above-mentioned background art.

The utility model provides a pair of teaching projection arrangement for education management, including bottom plate and elevating system, the top of bottom plate is fixed with the headstock, the top of headstock is fixed with the pillar, the inner wall sliding connection of pillar has the slide bar, the top of slide bar rotates and is connected with the mounting panel, the top of mounting panel is installed the projecting apparatus; elevating system includes threaded rod, first conical gear, pivot and second conical gear, the outside of threaded rod and the internal thread connection of slide bar, one side fixed connection of slide bar is kept away from to first conical gear's inboard and threaded rod, the outside of pivot is rotated with the inner chamber of headstock and is connected, the one end fixedly connected with second conical gear of pivot, the outside of second conical gear is connected with first conical gear's outside meshing.

Preferably, both sides of the bottom plate are fixedly connected with thread blocks, the inner threads of the thread blocks are connected with fixing rods, and the bottoms of the fixing rods are rotatably connected with fixing plates.

Preferably, the top fixedly connected with hand of dead lever is twisted the wheel, the one end fixedly connected with hand wheel of second conical gear is kept away from to the pivot.

Preferably, the outside fixedly connected with support of slide bar, one side swing joint at support top has the cisoid screw rod, the outside threaded connection of cisoid screw rod has the screwed pipe, the inner wall threaded connection of screwed pipe has reverse screw rod, the top of reverse screw rod and the bottom swing joint of mounting panel.

Preferably, the outside of screwed pipe is provided with anti-skidding line, the equal fixedly connected with wheel in both sides of bottom plate bottom.

Preferably, one side of the top of the bottom plate, which is far away from the power box, is fixedly connected with a support, and the inside of the support is rotatably connected with the outer side of the rotating shaft.

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

1. the utility model discloses a through setting up pillar and slide bar, make the projecting apparatus on the mounting panel have the function of adjusting from top to bottom, through setting up threaded rod, first conical gear, pivot and second conical gear, convenience of customers controls the height of slide bar through rotating the pivot, solved the problem that current projection arrangement does not possess the height-adjusting;

2. the utility model discloses a set up thread block, dead lever and fixed plate, make projection arrangement can be stable fix subaerial, prevent to appear sliding phenomenon, twist the wheel through setting up the hand, the convenient to use person is easier rotates the dead lever, through setting up hand wheel, the convenient to use person rotates the pivot, through setting up consequent screw rod, screwed pipe and reverse screw rod, makes the projection angle of projecting apparatus can adjust;

3. the utility model discloses a set up anti-skidding line, the person of facilitating the use rotates the screwed pipe, through setting up the wheel, makes projection arrangement have higher mobility, improves projection arrangement's convenience, through setting up the support, makes the pivot can not rock when rotating, and the pivoted is more smooth-going.

Drawings

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

FIG. 2 is a schematic structural view of the power box of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the threaded pipe shown in FIG. 1 according to the present invention;

fig. 4 is a schematic structural diagram of the bottom plate of fig. 1 according to the present invention.

Reference numbers in the figures: 1. a base plate; 2. a power box; 3. a pillar; 4. a slide bar; 5. mounting a plate; 6. a projector; 7. a lifting mechanism; 71. a threaded rod; 72. a first bevel gear; 73. a rotating shaft; 74. a second bevel gear; 8. a thread block; 9. fixing the rod; 10. a fixing plate; 11. screwing the wheel by hand; 12. a hand-operated wheel; 13. a support; 14. a forward screw; 15. a threaded pipe; 16. a reverse screw; 17. a wheel; 18. and (4) a support.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is a schematic structural view of the power box of FIG. 1 according to the present invention; FIG. 3 is a schematic view of the threaded pipe shown in FIG. 1 according to the present invention; fig. 4 is a schematic structural diagram of the bottom plate of fig. 1 according to the present invention. A teaching projection device for education management comprises a bottom plate 1 and a lifting mechanism 7, wherein the top of the bottom plate 1 is fixedly connected with a power box 2, the top of the power box 2 is fixedly connected with a support 3, the inner wall of the support 3 is slidably connected with a slide rod 4, the top of the slide rod 4 is rotatably connected with a mounting plate 5, and the top of the mounting plate 5 is provided with a projector 6; the lifting mechanism 7 comprises a threaded rod 71, a first bevel gear 72, a rotating shaft 73 and a second bevel gear 74, the outer side of the threaded rod 71 is in threaded connection with the inner portion of the sliding rod 4, the inner side of the first bevel gear 72 is fixedly connected with one side, far away from the sliding rod 4, of the threaded rod 71, the outer side of the rotating shaft 73 is in rotating connection with the inner cavity of the power box 2, one end of the rotating shaft 73 is fixedly connected with the second bevel gear 74, and the outer side of the second bevel gear 74 is in meshed connection with the outer side of the first bevel gear 72.

Further, the both sides of bottom plate 1 are equal fixedly connected with thread block 8, and the inside threaded connection of thread block 8 has dead lever 9, and the bottom of dead lever 9 is rotated and is connected with fixed plate 10, through setting up thread block 8, dead lever 9 and fixed plate 10, makes projection arrangement can be stable fixed subaerial, prevents the slip phenomenon.

Further, the top fixedly connected with hand of dead lever 9 is twisted wheel 11, and the one end fixedly connected with hand wheel 12 of second cone gear 74 is kept away from to pivot 73, and through setting up hand wheel 11, the user of being convenient for rotates dead lever 9 more easily, through setting up hand wheel 12, the user of being convenient for rotates pivot 73.

Furthermore, a support 13 is fixedly connected to the outer side of the sliding rod 4, a forward screw 14 is movably connected to one side of the top of the support 13, a threaded pipe 15 is connected to the outer side of the forward screw 14 in a threaded manner, a reverse screw 16 is connected to the inner wall of the threaded pipe 15 in a threaded manner, the top of the reverse screw 16 is movably connected to the bottom of the mounting plate 5, and the projection angle of the projector 6 can be adjusted by arranging the forward screw 14, the threaded pipe 15 and the reverse screw 16.

Further, the outside of screwed pipe 15 is provided with anti-skidding line, the equal fixedly connected with wheel 17 in both sides of bottom plate 1 bottom, and through setting up anti-skidding line, convenient to use person rotates screwed pipe 15, through setting up wheel 17, makes projection arrangement have higher mobility, improves projection arrangement's convenience.

Further, one side fixedly connected with support 18 that power box 2 was kept away from at the top of bottom plate 1, the inside of support 18 rotates with the outside of pivot 73 to be connected, through setting up support 18, makes pivot 73 can not rock when rotating, and the pivoted is more smooth-going.

The utility model provides a pair of teaching projection arrangement for education management's theory of operation as follows:

when the projector is used, a user moves the projector to a projection position, the hand-operated wheel 11 is rotated to drive the fixing rod 9 to move, the fixing rod 9 drives the fixing plate 10 to move, the fixing plate 10 is in contact with the ground, the projector is stably fixed on the ground, the hand-operated wheel 12 is rotated to drive the rotating shaft 73 to rotate, the rotating shaft 73 drives the second bevel gear 74 to rotate, the second bevel gear 74 drives the first bevel gear 72 to rotate, the first bevel gear 72 drives the threaded rod 71 to rotate, the threaded rod 71 drives the sliding rod 4 to move, the sliding rod 4 drives the projector 6 on the mounting plate 5 to move, so that the height adjustment of the projector 6 is realized, the threaded pipe 15 is rotated to respectively drive the forward screw rod 14 and the reverse screw rod 16 to move, and the projection angle adjustment of the projector 6 is realized.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides an educational administration is with teaching projection arrangement which characterized in that includes:

the projector comprises a base plate (1), wherein the top of the base plate (1) is fixedly connected with a power box (2), the top of the power box (2) is fixedly connected with a strut (3), the inner wall of the strut (3) is connected with a slide rod (4) in a sliding manner, the top of the slide rod (4) is rotatably connected with a mounting plate (5), and the top of the mounting plate (5) is provided with a projector (6);

elevating system (7), elevating system (7) include threaded rod (71), first conical gear (72), pivot (73) and second conical gear (74), the outside of threaded rod (71) and the internal thread connection of slide bar (4), one side fixed connection of slide bar (4) is kept away from with threaded rod (71) to the inboard of first conical gear (72), the outside of pivot (73) is connected with the inner chamber rotation of headstock (2), the one end fixedly connected with second conical gear (74) of pivot (73), the outside of second conical gear (74) is connected with the outside meshing of first conical gear (72).

2. The teaching projection device for education management according to claim 1, wherein a thread block (8) is fixedly connected to each side of the base plate (1), a fixing rod (9) is connected to the inner thread of the thread block (8), and a fixing plate (10) is rotatably connected to the bottom of the fixing rod (9).

3. The teaching projection device for educational management according to claim 2, wherein a hand-operated wheel (11) is fixedly connected to the top of the fixing rod (9), and a hand-operated wheel (12) is fixedly connected to one end of the rotating shaft (73) far away from the second bevel gear (74).

4. The teaching projection device for educational management according to claim 1, wherein a support (13) is fixedly connected to the outer side of the slide bar (4), a forward screw (14) is movably connected to one side of the top of the support (13), a threaded pipe (15) is connected to the outer side of the forward screw (14) in a threaded manner, a reverse screw (16) is connected to the inner wall of the threaded pipe (15) in a threaded manner, and the top of the reverse screw (16) is movably connected to the bottom of the mounting plate (5).

5. The teaching projection device for educational administration according to claim 4, wherein the outside of the threaded pipe (15) is provided with anti-slip threads, and wheels (17) are fixedly connected to both sides of the bottom plate (1).

6. The educational projection device for educational administration according to claim 1, wherein a support (18) is fixedly connected to a side of the top of the base plate (1) away from the power box (2), and the inside of the support (18) is rotatably connected to the outside of the rotation shaft (73).