CN215730265U

CN215730265U - Projecting apparatus of visual angle is convenient for adjust to teaching

Info

Publication number: CN215730265U
Application number: CN202122135707.1U
Authority: CN
Inventors: 李梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-02-01
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a projector convenient for adjusting visual angle for teaching, which comprises a base, a box body fixedly arranged above the base and a projector lens fixedly arranged on the front surface of the box body, and is provided with an adjusting assembly, wherein the adjusting assembly comprises a clip frame fixedly connected on the left side and the right side of the upper end surface of the base, a group of threaded rods are rotatably connected on the inner walls of the upper end and the lower end of the clip frame, adjusting blocks are sleeved on the outer side of the threaded rods in a threaded manner, the adjusting blocks are in sliding connection with the inner walls of the front end and the rear end of the clip frame, a driving motor is fixedly arranged at the upper end of the clip frame, the output end of the driving motor is fixedly connected with the upper end of the threaded rods, a group of connecting rods are fixedly connected on the opposite surfaces of the two groups of adjusting blocks, the two groups of connecting rods are fixedly connected on the outer walls of the left side and the right side of the box body, and can control the box body to carry out up-and-down lifting movement, thereby realizing the height adjusting function of the projector, the use is more convenient, the operation is easier, and the method is suitable for wide popularization.

Description

Projecting apparatus of visual angle is convenient for adjust to teaching

Technical Field

The utility model relates to the technical field of projectors, in particular to a projector convenient for visual angle adjustment for teaching.

Background

In the current electronic information era, a projector is often used for assisting teaching in the teaching process in the junior middle schools, the projector can project teaching information, a large amount of writing time of teachers is saved, and teaching information is convenient to observe, the projector is an optical instrument which utilizes an optical element to amplify the outline of a workpiece and project the workpiece onto a shadow screen, the projector can be used for measuring the outline by using transmitted light and measuring the surface shape of a non-through hole and the surface of an observation part by using reflected light, the projector is particularly suitable for measuring complex outlines and small workpieces such as clock parts, stamping parts, electronic elements, templates, dies, threads, gears, forming tools and the like, the inspection efficiency is high, and the use is convenient; the method is widely applied to measuring rooms and production workshops, and is particularly suitable for the industries of instruments and meters and clocks.

The projector for the teaching does not have the lifting function, so that the height projected by the projector cannot be changed, the problem may occur in the teaching process due to the projection angle of the projector, part of the projection content cannot be seen, the teacher is influenced to attend classes and watch students, and the comparison is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a projector for teaching, which is convenient for adjusting the visual angle, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a teaching is with projecting apparatus convenient to adjust visual angle, includes the base, fixes the box body that sets up in the base top and fixes the projecting apparatus camera lens that sets up at the box body is positive, still includes adjusting part, adjusting part is used for adjusting the height of projecting apparatus camera lens, adjusting part is fixed to be set up in the upper end of base, and fixed connection is in the left and right sides of box body, adjusting part rotates the regulation structure for the screw thread.

As a further scheme of the utility model: the adjusting part is including returning the shape frame, it is connected with a set of threaded rod to return the left and right sides of shape frame fixed connection at the base up end, it is connected with a set of threaded rod to rotate on the upper and lower end inner wall of shape frame to return, the outside thread bush of threaded rod is equipped with the regulating block, the regulating block and the preceding rear end inner wall sliding connection who returns the shape frame, the upper end fixed mounting who returns the shape frame has driving motor, driving motor's output and the upper end fixed connection of threaded rod are two sets of equal a set of connecting rod of fixedly connected with on the opposite face of regulating block, it is two sets of connecting rod fixed connection is on the left and right sides outer wall of box body.

As a further scheme of the utility model: the box body is fixedly provided with a plurality of groups of heat dissipation holes at one side far away from the projector lens, and the heat dissipation holes are fixedly connected with a filter screen.

As a further scheme of the utility model: the upper end of box body is fixed to be seted up flutedly, sliding connection has the slider on the bottom inner wall of recess, the left side fixedly connected with telescopic link of slider, the telescopic link is on the inner wall of recess in the one end fixed connection who keeps away from the slider, the upper end fixedly connected with bracing piece of slider.

As a further scheme of the utility model: the utility model discloses a projection screen, including bracing piece, cleaning brush, servo motor, the bracing piece is in the one end fixedly connected with cleaning brush that is close to the filter screen, cleaning brush contacts with the filter screen, the bracing piece is in the one end fixedly connected with cleaning rod of keeping away from cleaning brush, cleaning rod and servo motor's output fixed connection, servo motor fixed mounting is on the bracing piece, cleaning rod contacts with the projecting apparatus camera lens.

As a further scheme of the utility model: the lower extreme fixedly connected with dust collection box of base, fixed mounting has the air exhauster on the bottom inner wall of dust collection box, the output fixedly connected with exhaust column of air exhauster, the other end of exhaust column passes the upper end wall and the base of dust collection box, and extends to the upper end of base, the exhaust column is keeping away from the one end fixedly connected with dust cage of air exhauster.

As a still further scheme of the utility model: the base is characterized in that a group of supporting legs are fixedly connected to four corners of the lower end face of the base, a group of supporting blocks are fixedly connected to the lower ends of the supporting legs, and a group of anti-skid rubber pads are fixedly connected to the lower ends of the supporting blocks.

Compared with the prior art, the utility model has the beneficial effects that: this projecting apparatus of visual angle is adjusted with being convenient for to teaching through setting up adjusting part, can control the box body and carry out the oscilaltion motion to realize the high lift regulatory function of projecting apparatus, avoided because of the projecting apparatus height can not adjust, lead to partly throw the content and can't see, influence the emergence of the problem that mr and student watched on class, it is more convenient to use.

This projecting apparatus of visual angle is convenient for adjust in teaching, through setting up the filter screen, can play dirt-proof effect, avoid the dust to get into inside the box body from the louvre, utilize servo motor, can drive clean pole and rotate, utilize recess, slider and telescopic link, can drive and remove about clean pole and the cleaning brush, thereby can make the cleaning brush clear up the filter screen, clean the pole and clear up the projecting apparatus camera lens, avoided the dust to glue on projecting apparatus camera lens and filter screen, played dirt-proof effect.

This projecting apparatus of visual angle is adjusted with being convenient for to teaching through setting up dust collection box, air exhauster, exhaust column and dust cage, in the clearance dust, utilizes the air exhauster, can produce suction to under the effect of exhaust column, can make the dust cage produce suction, thereby can siphoning away the dust that gets off the clearance, and send into the dust collection box, can prevent that the dust from scattering everywhere, and is more convenient, and the structure is more simple, and the operation is more easy, is adapted to extensive popularization.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the right side structure of the present invention.

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

Fig. 4 is a schematic structural diagram of the slider in the present invention.

FIG. 5 is a schematic view of a heat dissipation hole of the present invention.

FIG. 6 is a schematic view of the structure of the cleaning rod of the present invention.

FIG. 7 is a schematic view of the suction fan of the present invention.

Wherein: 1. a base; 2. a box body; 3. a projector lens; 4. a frame in a shape of a Chinese character 'hui'; 5. a threaded rod; 6. an adjusting block; 7. a drive motor; 8. a connecting rod; 9. heat dissipation holes; 10. a filter screen; 11. a groove; 12. a slider; 13. a telescopic rod; 14. a support bar; 15. a cleaning brush; 16. a cleaning rod; 17. a servo motor; 18. a dust collection box; 19. an exhaust fan; 20. an exhaust pipe; 21. a dust collection cover; 22. supporting legs; 23. a support block; 24. anti-skid rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-7, in an embodiment of the present invention, a projector for teaching, which is convenient for adjusting a viewing angle, includes a base 1, a frame 4 for supporting and fixing a clip, a case 2 fixedly disposed above the base 1, a lens 3 for supporting and placing the projector, and a lens 3 fixedly disposed on a front surface of the case 2 for projecting, and an adjusting assembly, wherein the adjusting assembly is used for adjusting a height of the lens 3, the adjusting assembly is fixedly disposed at an upper end of the base 1 and fixedly connected to left and right sides of the case 2, and the adjusting assembly is a screw thread rotation adjusting structure.

The adjusting component comprises a clip-shaped frame 4, the clip-shaped frame 4 is fixedly connected with the left side and the right side of the upper end surface of the base 1 and is used for supporting and placing a threaded rod 5, the inner walls of the upper end and the lower end of the clip-shaped frame 4 are rotatably connected with a group of threaded rods 5 for driving the adjusting block 6 to move up and down, the outer side of the threaded rod 5 is sleeved with an adjusting block 6 for driving a connecting rod 8 to move up and down, the adjusting block 6 is connected with the inner wall of the front end and the rear end of the square-shaped frame 4 in a sliding way, the upper end of the square-shaped frame 4 is fixedly provided with a driving motor 7 for driving the threaded rod 5 to rotate, the output of driving motor 7 and the upper end fixed connection of threaded rod 5, it is two sets of equal a set of connecting rod 8 of fixedly connected with on the opposite face of regulating block 6 is used for driving box body 2 and reciprocates, and is two sets of connecting rod 8 fixed connection is on the left and right sides outer wall of box body 2.

The fixed multiunit louvre 9 that is provided with in one side of keeping away from projecting apparatus camera lens 3 of box body 2 can dispel the heat to the inside of box body 2, multiunit fixedly connected with filter screen 10 on the louvre 9 can play dirt-proof effect, avoids the dust to pass through louvre 9 and gets into the inside of box body 2.

The upper end of box body 2 is fixed to be seted up flutedly 11 for support place slider 12 and telescopic link 13, sliding connection has slider 12 on the bottom inner wall of recess 11, the bracing piece 14 horizontal slip of being convenient for, slider 12's left side fixedly connected with telescopic link 13 is used for driving slider 12 horizontal slip, telescopic link 13 is on the inner wall of recess 11 keeping away from the one end fixed connection of slider 12, slider 12's upper end fixedly connected with bracing piece 14 is used for driving and removes about cleaning brush 15 and cleaning rod 16.

The utility model discloses a projector lens cleaning device, including bracing piece 14, be used for the dust on the filter screen 10 to clear up at the one end fixedly connected with cleaning brush 15 that is close to filter screen 10 of bracing piece 14, cleaning brush 15 contacts with filter screen 10, bracing piece 14 is keeping away from cleaning brush 15's one end fixedly connected with cleaning rod 16, is used for clearing up the dust on the projector lens 3, cleaning rod 16 and servo motor 17's output fixed connection, servo motor 17 fixed mounting is on bracing piece 14 for drive cleaning rod 16 rotates, cleaning rod 16 contacts with projector lens 3.

The device is characterized in that a group of supporting legs 22 are fixedly connected to four corners of the lower end face of the base 1 and used for connecting the base 1 with the supporting blocks 23, a group of supporting blocks 23 are fixedly connected to the lower ends of the supporting legs 22 in each group, the device can be supported and placed on the ground, and a group of anti-skid rubber pads 24 are fixedly connected to the lower ends of the supporting blocks 23 in each group, so that friction force is increased, and the supporting blocks 23 are prevented from sliding.

Example 2

The difference from example 1 is: the dust collecting box is characterized in that a dust collecting box 18 is fixedly connected to the lower end of the base 1 and used for collecting the cleaned dust, an exhaust fan 19 is fixedly mounted on the inner wall of the bottom end of the dust collecting box 18, a dust hood 21 is convenient to collect the cleaned dust, an exhaust pipe 20 is fixedly connected to the output end of the exhaust fan 19 and can convey the dust collected by the dust hood 21 into the dust collecting box 18, the other end of the exhaust pipe 20 penetrates through the upper end wall of the dust collecting box 18 and the base 1 and extends to the upper end of the base 1, and the exhaust pipe 20 is fixedly connected with the dust hood 21 at the end far away from the exhaust fan 19 and used for collecting the cleaned dust.

The working principle of the utility model is as follows: when the device is used, the device is placed at a proper position, when the height of a projector lens 3 needs to be adjusted, two groups of driving motors 7 are started, the driving motors 7 drive a threaded rod 5 to rotate, the threaded rod 5 rotates to drive an adjusting block 6 to move up and down, the adjusting block 6 drives a connecting rod 8 to move up and down, the connecting rod 8 drives a box body 2 to move up and down, so as to drive the projector lens 3 to move up and down, when a filter screen 10 needs to be cleaned, a telescopic rod 13 is started, the telescopic rod 13 drives a sliding block 12 to slide left and right in a groove 11, the sliding block 12 drives a supporting rod 14 to slide left and right, the supporting rod 14 drives a cleaning brush 15 and a cleaning rod 16 to move left and right, the cleaning brush 15 moves left and right to clean the filter screen 10, the servo motor 17 and an exhaust fan 19 are started while the telescopic rod 13 is started, the servo motor 17 drives the cleaning rod 16 to rotate, the cleaning rod 16 rotates to clean the projector lens 3, meanwhile, the exhaust fan 19 adsorbs the cleaned dust through the exhaust pipe 20 and the dust collection cover 21, and then adsorbs the dust into the dust collection box 18, so that the cleaned dust is collected uniformly, and convenience and rapidness are realized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. The utility model provides a teaching is with projecting apparatus convenient to adjust visual angle, includes base (1), fixed box body (2) that sets up in base (1) top and fixed projecting apparatus camera lens (3) that set up in box body (2) are positive, its characterized in that still includes adjusting part, adjusting part is used for adjusting the height of projecting apparatus camera lens (3), adjusting part is fixed to be set up in the upper end of base (1), and fixed connection is in the left and right sides of box body (2), adjusting part rotates the regulation structure for the screw thread.

2. A projector for teaching purposes facilitating adjustment of viewing angle according to claim 1, the adjusting component comprises a clip-shaped frame (4), the clip-shaped frame (4) is fixedly connected with the left side and the right side of the upper end surface of the base (1), the inner walls of the upper end and the lower end of the square-shaped frame (4) are rotationally connected with a group of threaded rods (5), the outer side of the threaded rod (5) is sleeved with an adjusting block (6) in a threaded manner, the adjusting block (6) is connected with the inner wall of the front end and the rear end of the square-shaped frame (4) in a sliding manner, the upper end of the square-shaped frame (4) is fixedly provided with a driving motor (7), the output of driving motor (7) and the upper end fixed connection of threaded rod (5) are two sets of equal fixedly connected with a set of connecting rod (8), two sets of on the opposite face of regulating block (6) connecting rod (8) fixed connection is on the left and right sides outer wall of box body (2).

3. The projector convenient for adjusting the viewing angle for teaching of claim 1, wherein the case (2) is fixedly provided with a plurality of sets of heat dissipation holes (9) on a side away from the projector lens (3), and a filter screen (10) is fixedly connected to the plurality of sets of heat dissipation holes (9).

4. The projector convenient for adjusting the visual angle for teaching according to claim 1, wherein the upper end of the box body (2) is fixedly provided with a groove (11), the inner wall of the bottom end of the groove (11) is slidably connected with a slide block (12), the left side of the slide block (12) is fixedly connected with a telescopic rod (13), the telescopic rod (13) is fixedly connected to the inner wall of the groove (11) at the end far away from the slide block (12), and the upper end of the slide block (12) is fixedly connected with a support rod (14).

5. The projector convenient for adjusting the visual angle for teaching of claim 4, wherein the supporting rod (14) is fixedly connected with a cleaning brush (15) at one end close to the filter screen (10), the cleaning brush (15) is in contact with the filter screen (10), the supporting rod (14) is fixedly connected with a cleaning rod (16) at one end far away from the cleaning brush (15), the cleaning rod (16) is fixedly connected with the output end of a servo motor (17), the servo motor (17) is fixedly installed on the supporting rod (14), and the cleaning rod (16) is in contact with the projector lens (3).

6. The projector convenient for adjusting the visual angle for teaching according to claim 1, wherein a dust collection box (18) is fixedly connected to the lower end of the base (1), an exhaust fan (19) is fixedly installed on the inner wall of the bottom end of the dust collection box (18), an exhaust pipe (20) is fixedly connected to the output end of the exhaust fan (19), the other end of the exhaust pipe (20) penetrates through the upper end wall of the dust collection box (18) and the base (1) and extends to the upper end of the base (1), and a dust collection cover (21) is fixedly connected to the end of the exhaust pipe (20) far away from the exhaust fan (19).

7. The projector for teaching purpose convenient to adjust visual angle according to claim 1, wherein a set of supporting legs (22) is fixedly connected to four corners of the lower end surface of the base (1), a set of supporting blocks (23) is fixedly connected to the lower end of each set of supporting legs (22), and a set of anti-skid rubber pads (24) is fixedly connected to the lower end of each set of supporting blocks (23).