CN212361543U

CN212361543U - Projection arrangement of slide adjusting formula teaching

Info

Publication number: CN212361543U
Application number: CN202021200340.6U
Authority: CN
Inventors: 唐剑鸿
Original assignee: Zhengzhou University of Industrial Technology
Current assignee: Zhengzhou University of Industrial Technology
Priority date: 2020-06-25
Filing date: 2020-06-25
Publication date: 2021-01-15
Anticipated expiration: 2030-06-25

Abstract

The utility model discloses a projection arrangement of slide adjusting formula teaching, including fixed case, the first motor of right side fixedly connected with at fixed incasement chamber top, the first driving gear of output fixedly connected with of first motor, the left side meshing of first driving gear has first driven gear, first driven gear's inner chamber fixedly connected with bull stick, the top of bull stick extends to the top of fixed incasement chamber and passes through bearing swing joint. The utility model discloses a fixed case, first motor, first driving gear, first driven gear, bull stick, box, spliced pole, second motor, second driving gear, second driven gear, threaded rod, thread bush, screwed pipe, connecting block, projecting apparatus and hydraulic telescoping rod's cooperation is used, can make the projecting apparatus can carry out height control as required, perhaps adjusts projection angle as required, provides convenience for people's use.

Description

Projection arrangement of slide adjusting formula teaching

Technical Field

The utility model relates to a projecting apparatus technical field specifically is a projection arrangement of slide adjusting formula teaching.

Background

The teaching is a unique talent training activity of human beings, which is formed by the teaching of teachers and the learning of students, through the activity, the teachers purposefully, planishing and organically guide the students to study and master the cultural scientific knowledge and skill, and promote the quality improvement of the students, so that the students become people required by the society.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projection arrangement of slide adjusting formula teaching possesses the advantage of height-adjustable and angle, has solved the height and the angle that current projection arrangement can not adjust the projecting apparatus as required, and the use of giving people has brought inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a projection device for sliding regulation type teaching comprises a fixed box, wherein a first motor is fixedly connected to the right side of the top of an inner cavity of the fixed box, a first driving gear is fixedly connected to the output end of the first motor, a first driven gear is meshed with the left side of the first driving gear, a rotating rod is fixedly connected to the inner cavity of the first driven gear, the top of the rotating rod extends to the top of the inner cavity of the fixed box and is movably connected through a bearing, one end, far away from the first driven gear, of the rotating rod penetrates through the bottom of the fixed box and is fixedly connected with a box body, connecting columns are fixedly connected to two sides of the top of the box body, a second motor is fixedly connected to the left side of the bottom of the inner cavity of the box body, a second driving gear is fixedly connected to the output end of the second motor, a second driven gear is meshed with the left side of the second driving gear, the utility model discloses a set of box, including box inner chamber, bearing swing joint, threaded rod, threaded sleeve, connecting block, front side fixedly connected with hydraulic telescoping rod, hydraulic telescoping rod's bottom and the top fixed connection of projecting apparatus, the top of threaded rod extends to the top of box inner chamber and passes through bearing swing joint, the axle center department of the bottom of box is provided with the threaded sleeve, the one end that the second driven gear was kept away from to the threaded rod runs through to the bottom of box and threaded sleeve threaded connection, threaded rod and threaded sleeve threaded connection, the bottom of threaded sleeve has the connecting block through pivot swing joint, the bottom fixedly connected with projecting apparatus.

Preferably, the top of the first motor is fixedly connected with a first fixed block, and the top of the first fixed block is fixedly connected with the top of the inner cavity of the fixed box.

Preferably, the bottom of the second motor is fixedly connected with a second fixed block, and the bottom of the second fixed block is fixedly connected with the bottom of the inner cavity of the box body.

Preferably, circular spout has been seted up to the bottom of fixed case, the top fixedly connected with cross slider of spliced pole, the one end that the spliced pole was kept away from to the cross slider extend to the inner chamber of circular spout and with circular spout swing joint.

Preferably, the top of the fixed box is fixedly connected with expansion screws, and the number of the expansion screws is four.

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

1. the utility model discloses a fixed case, a motor, a driving gear, first driven gear, the bull stick, the box, the spliced pole, the second motor, the second driving gear, second driven gear, the threaded rod, the thread bush, the screwed pipe, the connecting block, projecting apparatus and hydraulic telescoping rod's cooperation is used, can make the projecting apparatus can carry out height control as required, perhaps adjust projection angle as required, for people's use provides convenience, the height and the angle that current projection arrangement can not adjust the projecting apparatus as required have been solved, the problem of inconvenience has been brought in the use of giving people.

2. The utility model discloses a set up first fixed block, can be with the better fixing of first motor in the fixed box, through setting up the second fixed block, can be with the better fixing of second motor in the box, through setting up circular spout and cross slider, can make the better rotation of box, through setting up the inflation screw, can be better fix projection arrangement on the roof better.

Drawings

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

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

fig. 3 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a fixed box; 2. a first motor; 3. a first drive gear; 4. a first driven gear; 5. a rotating rod; 6. a box body; 7. connecting columns; 8. a second motor; 9. a second driving gear; 10. a second driven gear; 11. a threaded rod; 12. a threaded sleeve; 13. a threaded pipe; 14. connecting blocks; 15. a projector; 16. a hydraulic telescopic rod; 17. a first fixed block; 18. a second fixed block; 19. a circular chute; 20. a cross-shaped sliding block; 21. and (4) expanding the screw.

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.

The components of the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known by the technical manual or by the conventional experimental method.

Referring to fig. 1-3, a sliding adjusting type projection device for teaching comprises a fixed box 1, a circular chute 19 is formed at the bottom of the fixed box 1, a cross-shaped slider 20 is fixedly connected to the top of a connecting post 7, one end of the cross-shaped slider 20, which is far away from the connecting post 7, extends into an inner cavity of the circular chute 19 and is movably connected with the circular chute 19, a box body 6 can better rotate by arranging the circular chute 19 and the cross-shaped slider 20, an expansion screw 21 is fixedly connected to the top of the fixed box 1, the number of the expansion screws 21 is four, the projection device can be better fixed on a roof by arranging the expansion screw 21, a first motor 2 is fixedly connected to the right side of the top of the inner cavity of the fixed box 1, a first fixed block 17 is fixedly connected to the top of the first motor 2, and the top of the first fixed block 17 is fixedly connected to the top of, the first motor 2 can be better fixed in the fixed box 1 by arranging the first fixed block 17, the output end of the first motor 2 is fixedly connected with the first driving gear 3, the left side of the first driving gear 3 is engaged with the first driven gear 4, the inner cavity of the first driven gear 4 is fixedly connected with the rotating rod 5, the top of the rotating rod 5 extends to the top of the inner cavity of the fixed box 1 and is movably connected through a bearing, one end of the rotating rod 5, far away from the first driven gear 4, penetrates to the bottom of the fixed box 1 and is fixedly connected with the box body 6, both sides of the top of the box body 6 are fixedly connected with the connecting columns 7, the left side of the bottom of the inner cavity of the box body 6 is fixedly connected with the second motor 8, the bottom of the second motor 8 is fixedly connected with the second fixed block 18, the bottom of the second fixed block 18 is fixedly connected with the bottom of the inner cavity of the box body 6, and the second motor, the output end of the second motor 8 is fixedly connected with a second driving gear 9, a second driven gear 10 is meshed on the left side of the second driving gear 9, a threaded rod 11 is fixedly connected with an inner cavity of the second driven gear 10, the top of the threaded rod 11 extends to the top of an inner cavity of the box body 6 and is movably connected with the top through a bearing, a threaded sleeve 12 is arranged at the axis of the bottom of the box body 6, one end, away from the second driven gear 10, of the threaded rod 11 penetrates through the bottom of the box body 6 and is connected with a threaded pipe 13 in a threaded mode, the threaded rod 11 is connected with the threaded sleeve 12 in a threaded mode, a connecting block 14 is movably connected with the bottom of the threaded pipe 13 through a rotating shaft, a projector 15 is fixedly connected with the bottom of the connecting block 14, a hydraulic telescopic rod 16 is fixedly connected with the front side of the right side of the bottom of the box, First driven gear 4, bull stick 5, the box 6, spliced pole 7, second motor 8, second driving gear 9, second driven gear 10, threaded rod 11, thread bush 12, screwed pipe 13, connecting block 14, the cooperation of projecting apparatus 15 and hydraulic telescoping rod 16 is used, can make projecting apparatus 15 carry out height control as required, perhaps adjust projection angle as required, for people's use provides convenience, the height and the angle that current projection arrangement can not adjust projecting apparatus 15 as required have been solved, the problem of inconvenience has been brought in the use of giving people.

When the projector is used, holes are pre-punched at the position to be installed on the roof, the projection device is fixed on the roof through the expansion screw 21, the second motor 8 is started when the height of the projector 15 needs to be adjusted, the output end of the second motor 8 drives the second driving gear 9 to rotate, the second driving gear 9 drives the second driven gear 10 to rotate, the second driven gear 10 drives the threaded rod 11 to rotate, the threaded rod 11 drives the threaded sleeve 12 to move, the hydraulic telescopic rod 16 contracts, the height of the projector 15 is adjusted through the up-and-down movement of the threaded sleeve 12 and the contraction of the hydraulic telescopic rod 16, the first motor 2 is started when the projection angle of the projector 15 needs to be adjusted left and right, the output end of the first motor 2 drives the first driving gear 3 to rotate, the first driving gear 3 drives the first driven gear 4 to rotate, the first driven gear 4 drives the rotating rod 5 to rotate, and the rotating, the box 6 drives the threaded rod 11 to rotate left and right, the threaded rod 11 drives the threaded sleeve 12 to rotate left and right, the threaded sleeve 12 drives the projector 15 to rotate left and right, and the first motor 2 is turned off after the projector is adjusted to a proper position.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a projection arrangement of slide adjusting formula teaching, includes fixed case (1), its characterized in that: the right side of the top of the inner cavity of the fixed box (1) is fixedly connected with a first motor (2), the output end of the first motor (2) is fixedly connected with a first driving gear (3), the left side of the first driving gear (3) is meshed with a first driven gear (4), the inner cavity of the first driven gear (4) is fixedly connected with a rotating rod (5), the top of the rotating rod (5) extends to the top of the inner cavity of the fixed box (1) and is movably connected through a bearing, one end, far away from the first driven gear (4), of the rotating rod (5) penetrates through the bottom of the fixed box (1) and is fixedly connected with a box body (6), connecting columns (7) are fixedly connected to two sides of the top of the box body (6), the left side of the bottom of the inner cavity of the box body (6) is fixedly connected with a second motor (8), the output end of the second motor (8) is fixedly connected with, a second driven gear (10) is meshed with the left side of the second driving gear (9), the inner cavity of the second driven gear (10) is fixedly connected with a threaded rod (11), the top of the threaded rod (11) extends to the top of the inner cavity of the box body (6) and is movably connected through a bearing, a threaded sleeve (12) is arranged at the axis of the bottom of the box body (6), one end of the threaded rod (11) far away from the second driven gear (10) penetrates through the bottom of the box body (6) and is in threaded connection with a threaded pipe (13), the threaded rod (11) is in threaded connection with the threaded sleeve (12), the bottom of the threaded pipe (13) is movably connected with a connecting block (14) through a rotating shaft, the bottom of the connecting block (14) is fixedly connected with a projector (15), the front side of the right side of the bottom of the box body (6) is fixedly connected with a hydraulic telescopic rod (16), the bottom of the hydraulic telescopic rod (16) is fixedly connected with the top of the projector (15).

2. The sliding adjustable educational projector as claimed in claim 1, wherein: the top fixedly connected with first fixed block (17) of first motor (2), the top of first fixed block (17) and the top fixed connection of fixed case (1) inner chamber.

3. The sliding adjustable educational projector as claimed in claim 1, wherein: the bottom of the second motor (8) is fixedly connected with a second fixed block (18), and the bottom of the second fixed block (18) is fixedly connected with the bottom of the inner cavity of the box body (6).

4. The sliding adjustable educational projector as claimed in claim 1, wherein: circular spout (19) have been seted up to the bottom of fixed case (1), the top fixedly connected with cross slider (20) of spliced pole (7), the one end that spliced pole (7) were kept away from in cross slider (20) extends to the inner chamber of circular spout (19) and with circular spout (19) swing joint.

5. The sliding adjustable educational projector as claimed in claim 1, wherein: the top of the fixed box (1) is fixedly connected with expansion screws (21), and the number of the expansion screws (21) is four.