CN214795538U

CN214795538U - Projecting apparatus for national education

Info

Publication number: CN214795538U
Application number: CN202121374331.3U
Authority: CN
Inventors: 彭丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-11-19
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to a national education technical field just discloses a projecting apparatus for national education, including the projecting apparatus shell, the inner chamber has been seted up to the inside of projecting apparatus shell, the interior roof fixed mounting of inner chamber has the bearing, the inside rotation of bearing is connected with the threaded rod, the bottom fixed mounting of threaded rod has driving motor. This projecting apparatus for national education, the projecting apparatus uses the back, control drive motor operation simultaneously through the control system of projecting apparatus, drive motor takes the threaded rod to rotate, threaded rod area thread bush carries displacement from top to bottom, because the screw thread in the threaded rod outside is both ends formula, and the screw thread at both ends is opposite form, baffle above so can carry out relative or back of the body displacement with lower baffle, during relative displacement, the overhead gage draws close each other with lower baffle, just in time shelter from the camera lens, thereby prevent that other people from missing the camera lens, during the displacement of back of the body, overhead gage and lower baffle are mutual separation, just in time expose the camera lens, thereby can normal use projecting apparatus.

Description

Projecting apparatus for national education

Technical Field

The utility model relates to a national education technical field specifically is a projecting apparatus for national education.

Background

At present, with the development of education cause, people pay more and more attention to comprehensive education, national education also receives more and more attention from the education field as the treasure of the traditional culture of China, the projector is often used in the national education, the lens is exposed outside after the current projector is used, dust falls on the lens, and when learning personnel play the projector, the hand often touches the lens, so that the projection of the lens is unclear.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a projecting apparatus for national education possesses the advantage that shelters from the camera lens after not using, has solved the national education and has often used the projecting apparatus, and present projecting apparatus camera lens all exposes outside after using, and one can fall on the camera lens the dust, and two coming the study personnel when the projecting apparatus of making fidgetedly, the camera lens can often be touched to the hand to lead to the unclear problem of camera lens projection.

(II) technical scheme

For realize the above-mentioned purpose of sheltering from the camera lens after not using, the utility model provides a following technical scheme: the utility model provides a projecting apparatus for national education, includes the projecting apparatus shell, the inner chamber has been seted up to the inside of projecting apparatus shell, the interior roof fixed mounting of inner chamber has the bearing, the internal rotation of bearing is connected with the threaded rod, the bottom fixed mounting of threaded rod has driving motor, the outside threaded connection of threaded rod has the thread bush, the outside fixed mounting of thread bush has the connecting block, the top the one end fixed mounting of connecting block has an overhead gage, the below the one end fixed mounting of connecting block have a lower baffle, the equal fixed mounting of overhead gage and the one side that the baffle is relative down has the rubber pad, the bar mouth has been seted up on the inside extension board of projecting apparatus shell, the inner wall fixed mounting of bar mouth has the slider, the overhead gage has all been seted up with the spout with the both sides of baffle down, the inner wall of projecting apparatus shell has clamped the camera lens.

Preferably, the number of the bearings, the threaded rods, the driving motors, the threaded sleeves and the connecting blocks is two, and the bearings, the threaded rods, the driving motors, the threaded sleeves and the connecting blocks are symmetrically distributed in the left-right direction by taking the vertical center line of the lens as an axis.

Preferably, the upper baffle and the lower baffle are connected with a support plate of the projector shell in a sliding mode through the strip-shaped opening, the sliding block and the sliding groove.

Preferably, the top of the sliding groove is provided with a notch, and the bottom of the sliding groove is closed.

Preferably, the upper baffle and the lower baffle are distributed up and down symmetrically by taking a vertical horizontal line of the lens as an axis.

Preferably, the sum of the widths of the upper baffle and the lower baffle is smaller than the height of the inner cavity.

Preferably, the sum of the widths of the upper baffle and the lower baffle is larger than the diameter of the lens.

Preferably, the driving motor is in signal connection with a control system of the projector.

Preferably, the thread on the outer side of the threaded rod is of a two-end type, and the threads on the two ends are opposite.

(III) advantageous effects

Compared with the prior art, the utility model provides a projecting apparatus for national education possesses following beneficial effect:

1. this projecting apparatus for national education, the projecting apparatus uses the back, control drive motor operation simultaneously through the control system of projecting apparatus, drive motor takes the threaded rod to rotate, threaded rod area thread bush carries displacement from top to bottom, because the screw thread in the threaded rod outside is both ends formula, and the screw thread at both ends is opposite form, baffle above so can carry out relative or back of the body displacement with lower baffle, during relative displacement, the overhead gage draws close each other with lower baffle, just in time shelter from the camera lens, thereby prevent that other people from missing the camera lens, during the displacement of back of the body, overhead gage and lower baffle are mutual separation, just in time expose the camera lens, thereby can normal use projecting apparatus.

2. This projecting apparatus for national education when the overhead gage carries out displacement from top to bottom with lower baffle, through the cooperation of slider and spout to it is stable when displacement from top to bottom with lower baffle to guarantee the overhead gage.

Drawings

FIG. 1 is a front view of the present invention;

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

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the figure: the projector comprises a projector shell, a projector 2 inner cavity, a projector 3 bearing, a projector 4 threaded rod, a projector 5 driving motor, a projector 6 threaded sleeve, a projector 7 connecting block, a projector 8 upper baffle, a projector 9 lower baffle, a projector 10 rubber pad, a projector 11 strip-shaped opening, a projector 12 sliding block, a projector 13 sliding chute and a projector 14 lens.

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. 1-3, a projector for national education comprises a projector housing 1, wherein an inner cavity 2 is formed in the projector housing 1, a bearing 3 is fixedly installed on the inner top wall of the inner cavity 2, a threaded rod 4 is rotatably connected to the inside of the bearing 3, the outer thread of the threaded rod 4 is of a two-end type, the threads at the two ends are opposite, a driving motor 5 is fixedly installed at the bottom of the threaded rod 4, the driving motor 5 is in signal connection with a control system of the projector, the driving motor 5 is simultaneously controlled to operate by the control system of the projector, the driving motor 5 drives the threaded rod 4 to rotate, the threaded rod 4 drives a threaded sleeve 6 to move up and down, because the outer thread of the threaded rod 4 is of a two-end type, and the threads at the two ends are opposite, an upper baffle plate 8 and a lower baffle plate 9 can move oppositely or oppositely, wherein the outer thread of the threaded rod 4 is connected with the threaded sleeve 6, wherein the outer side of the threaded sleeve 6 is fixedly provided with two connecting blocks 7, the two connecting blocks 7 are respectively provided with two bearings 3, a threaded rod 4, a driving motor 5, an upper baffle 8 and a lower baffle 9, the two connecting blocks 7 are symmetrically distributed in a bilateral mode by taking the vertical central line of the lens 14 as an axis, one end of the upper connecting block 7 is fixedly provided with the upper baffle 8, one end of the lower connecting block 7 is fixedly provided with the lower baffle 9, the sum of the widths of the upper baffle 8 and the lower baffle 9 is smaller than the height of the inner cavity 2, one side of the upper baffle 8 opposite to the lower baffle 9 is fixedly provided with a rubber pad 10, a strip-shaped opening 11 is formed in the supporting plate inside the projector shell 1, a sliding block 12 is fixedly arranged on the inner wall of the strip-shaped opening 11, the two sides of the upper baffle 8 and the lower baffle 9 are respectively provided with a sliding groove 13, the top of the sliding groove 13 is provided with a notch, the bottom of the sliding groove 13 is closed, and the upper baffle 8 and the lower baffle 9 are respectively connected through the strip-shaped opening 11, The sliding block 12 and the sliding groove 13 are connected with a support plate of the projector housing 1 in a sliding manner, and the upper baffle 8 and the lower baffle 9 are stable when moving up and down through the matching of the sliding block 12 and the sliding groove 13, wherein a lens 14 is clamped on the inner wall of the projector housing 1, the upper baffle 8 and the lower baffle 9 are vertically and symmetrically distributed by taking a vertical horizontal line of the lens 14 as an axis, and the sum of the widths of the upper baffle 8 and the lower baffle 9 is larger than the diameter of the lens 14.

When using, the projecting apparatus uses the back, control drive motor 5 operation simultaneously through the control system of projecting apparatus, drive motor 5 takes threaded rod 4 to rotate, threaded rod 4 takes thread bush 6 to carry out displacement from top to bottom, because the screw thread in the threaded rod 4 outside is both ends formula, and the screw thread at both ends is opposite form, so go up baffle 8 and lower baffle 9 and can carry out displacement relative or back of the body mutually, during relative displacement, go up baffle 8 and lower baffle 9 and draw close each other, just in time shelter from camera lens 14, thereby prevent that other people from touching camera lens 14 by mistake, during the displacement of back of the body, go up baffle 8 and lower baffle 9 alternate segregation, just in time expose camera lens 14, thereby can normal use projecting apparatus.

Projecting apparatus for national education carries out displacement from top to bottom at overhead gage 8 with lower baffle 9, through the cooperation of slider 12 and spout 13 to it is stable when guaranteeing overhead gage 8 and lower baffle 9 displacement from top to bottom.

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. A projector for national education, comprising a projector housing (1), characterized in that: the inner cavity (2) is formed in the projector shell (1), the bearing (3) is fixedly mounted on the inner top wall of the inner cavity (2), the threaded rod (4) is rotatably connected to the inside of the bearing (3), the driving motor (5) is fixedly mounted at the bottom of the threaded rod (4), the threaded sleeve (6) is in threaded connection with the outer side of the threaded rod (4), the connecting block (7) is fixedly mounted on the outer side of the threaded sleeve (6), the upper baffle (8) is fixedly mounted at one end of the connecting block (7) above the connecting block, the lower baffle (9) is fixedly mounted at one end of the connecting block (7) below the connecting block, the rubber pad (10) is fixedly mounted on the surface, opposite to the lower baffle (9), of the upper baffle (8), the strip-shaped opening (11) is formed in the supporting plate in the projector shell (1), and the sliding block (12) is fixedly mounted on the inner wall of the strip-shaped opening (11), the upper baffle (8) and the lower baffle (9) are both provided with sliding grooves (13), and the inner wall of the projector shell (1) is clamped with a lens (14).

2. A projector for national education as claimed in claim 1, wherein: the number of the bearings (3), the threaded rods (4), the driving motor (5), the threaded sleeves (6) and the connecting blocks (7) is two, and the bearings, the threaded rods (4), the driving motor, the threaded sleeves (6) and the connecting blocks (7) are symmetrically distributed in the left-right direction by taking the vertical center line of the lens (14) as an axis.

3. A projector for national education as claimed in claim 1, wherein: the upper baffle (8) and the lower baffle (9) are connected with a support plate of the projector shell (1) in a sliding mode through a strip-shaped opening (11), a sliding block (12) and a sliding groove (13).

4. A projector for national education as claimed in claim 1, wherein: the top of the sliding chute (13) is provided with a gap, and the bottom of the sliding chute (13) is closed.

5. A projector for national education as claimed in claim 1, wherein: the upper baffle (8) and the lower baffle (9) are vertically and symmetrically distributed by taking a vertical horizontal line of the lens (14) as an axis.

6. A projector for national education as claimed in claim 1, wherein: the sum of the widths of the upper baffle (8) and the lower baffle (9) is smaller than the height of the inner cavity (2), and the sum of the widths of the upper baffle (8) and the lower baffle (9) is larger than the diameter of the lens (14).

7. A projector for national education as claimed in claim 1, wherein: the screw thread in the threaded rod (4) outside is both ends formula, and the screw thread at both ends is opposite form.