CN211478844U

CN211478844U - Multifunctional teaching projection device

Info

Publication number: CN211478844U
Application number: CN202020309163.9U
Authority: CN
Inventors: 郭鹏飞; 张卿; 杨兰
Original assignee: Henan Hongye Yuantu Information Technology Co ltd
Current assignee: Henan Hongye Yuantu Information Technology Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-09-11
Anticipated expiration: 2030-03-13

Abstract

The utility model relates to the technical field of teaching projection devices, and discloses a multifunctional teaching projection device, which comprises a projection device, wherein a lens is fixedly arranged on the front wall surface of the projection device, a cover is sleeved on the outer wall of the lens, the inner part of the cover is of a hollow structure, the multifunctional teaching projection device takes down the cover from the lens, then the cover starts to irradiate, then a threaded column is rotated to lead the threaded column to move downwards, then the threaded column supports the projection device, the projection device keeps an upward inclined posture, the irradiation angle is adjusted, a movable block slides forwards and backwards, the upward inclined angle of the projection device can be higher, the arrangement is more convenient to adjust, the arrangement avoids the problem that the existing projection device cannot independently adjust the angle, when the general height is not enough, the projection device can be placed on a desk, the height of the desk is increased, and the angle adjustment can be completed, the use is extremely inconvenient, and unnecessary troubles are caused.

Description

Multifunctional teaching projection device

Technical Field

The utility model relates to a teaching projection arrangement technical field specifically is multi-functional teaching projection arrangement.

Background

The projector is a device capable of projecting images or videos onto a curtain, can be connected with a computer, a VCD, a DVD, 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 places.

The basic principle of a projector is to enlarge the outline or contour of a workpiece using optical elements and then project it onto a screen. It can be used for profile measurement by transmitted light, and also can be used for measuring the surface shape of a blind hole by reflected light. Besides being used for viewing, projectors are also often used for measurement of complex contours and small workpieces.

The angle of the existing projection equipment can not be adjusted independently, and the existing projection equipment can be placed on a table when the height is not enough, so that the height of the existing projection equipment is increased, the angle adjustment is finished, and the existing projection equipment is not convenient and fast to use, and is unnecessary and troublesome.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a multi-functional teaching projection arrangement.

(II) technical scheme

The utility model provides a following technical scheme: multifunctional teaching projection arrangement, including projection equipment, projection equipment is current structure, does not do here and gives unnecessary details, projection equipment's the place ahead wall fixed mounting has the camera lens, cup jointed the lid that can take off on the outer wall of camera lens, the lid is the circular shape piece, and the inside of lid is hollow structure, the inside hollow part of lid has run through the rear wall of lid, the spout has been seted up to projection equipment's below wall, the spout is the groove of rectangle, projection equipment's below wall fixed mounting has perpendicular piece, perpendicular piece is the piece of rectangle, and the length of perpendicular piece is the same with projection equipment's width, and the rear wall of perpendicular piece flushes with projection equipment's rear wall, it has the fly leaf that can turn from top to bottom to articulate on the place ahead wall of perpendicular piece.

Preferably, the movable plate is a rectangular block, the width of the movable plate is the same as the length of the vertical block, the bottom wall surface of the movable plate is flush with the bottom wall surface of the vertical block, and a movable block is arranged below the projection device.

Preferably, the cross section of the moving block is an L-shaped block, the moving block is located between the projection device and the movable plate, a connecting block is fixedly mounted at the upper end of the moving block, the connecting block is matched with the sliding groove, and the connecting block is movably connected with the sliding groove.

Preferably, a threaded hole is formed in the moving block, a threaded column is connected to the threaded hole through threads, an inclined block is fixedly mounted on the rear wall face of the vertical block, the inclined block is a block which gradually inclines upwards from front to back, the cover is taken down from the lens and then starts to irradiate, the threaded column is rotated to enable the threaded column to move downwards, then the threaded column supports the projection equipment, the projection equipment is enabled to keep the posture of the upward inclination, the irradiation angle is adjusted, the moving block slides forwards and backwards, the upward inclination angle of the projection equipment can be higher, and the arrangement is better and convenient to adjust.

(III) advantageous effects

Compared with the prior art, the utility model provides a multi-functional teaching projection arrangement possesses following beneficial effect:

1. this multi-functional teaching projection arrangement, take the lid off from the camera lens, then begin to shine, then rotatory screw thread post makes screw thread post rebound, then the screw thread post supports projection equipment, make projection equipment keep the gesture of tilt up, the angle is shone in the adjustment, the movable block slides from beginning to end, can make projection equipment tilt up's angle higher, such setting is better conveniently adjusted, such setting, the unable autonomic its angle of regulation of current projection equipment has been avoided, when general height is not enough, all can place on the desk, that thing bed hedgehopping, accomplish the diagonal angle adjustment with this, it is extremely inconvenient to use, it is troublesome to have caused unnecessary.

Drawings

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

fig. 2 is a schematic view of the side cross-sectional view of the structure of the present invention.

In the figure: the projection device comprises a projection device 1, a vertical block 2, a movable plate 3, a lens 4, a cover 5, a sliding chute 6, a movable block 7, a threaded hole 8, a threaded column 9, a connecting block 10 and an inclined block 11.

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. 1-2, a multifunctional teaching projection apparatus includes a projection device 1, the projection device 1 is of an existing structure, details are not repeated herein, a lens 4 is fixedly installed on a front wall surface of the projection device 1, a removable cover 5 is sleeved on an outer wall of the lens 4, the cover 5 is a circular block, an inner portion of the cover 5 is of a hollow structure, a hollow portion of the inner portion of the cover 5 penetrates through a rear wall surface of the cover 5, a sliding groove 6 is formed on a lower wall surface of the projection device 1, the sliding groove 6 is a rectangular groove, a vertical block 2 is fixedly installed on the lower wall surface of the projection device 1, the vertical block 2 is a rectangular block, a length of the vertical block 2 is the same as a width of the projection device 1, a rear wall surface of the vertical block 2 is flush with the rear wall surface of the projection device 1, a movable plate 3 capable of turning up and down is hinged on the wall surface of the vertical block 2, the movable plate 3 is a rectangular block, the width of the movable plate 3 is the same as the length of the vertical block 2, the bottom wall surface of the movable plate 3 is flush with the bottom wall surface of the vertical block 2, a movable block 7 is arranged below the projection device 1, the cross section of the movable block 7 is an L-shaped block, the movable block 7 is positioned between the projection device 1 and the movable plate 3, a connecting block 10 is fixedly installed at the upper end of the movable block 7, the connecting block 10 is matched with the chute 6, the connecting block 10 is movably connected with the chute 6, a threaded hole 8 is formed in the movable block 7, a threaded post 9 is connected with a thread of the threaded hole 8, an inclined block 11 is fixedly installed on the rear wall surface of the vertical block 2, the inclined block 11 is a block which gradually inclines upwards from front to back, the cover 5 is taken down from the lens 4 and then starts to irradiate, and then the threaded post 9 is rotated to enable the threaded post, then the threaded column 9 supports the projection device 1, so that the projection device 1 keeps an upward inclined posture, the irradiation angle is adjusted, the movable block 7 slides forwards and backwards, the upward inclined angle of the projection device 1 can be higher, and the arrangement is better and convenient to adjust.

When in use, the utility model is used,

the first step is as follows: the cover 5 is removed from the lens 4, irradiation is started, the screw post 9 is rotated to move the screw post 9 downward, and the screw post 9 supports the projection apparatus 1 so that the projection apparatus 1 maintains an upward-inclined posture, and the irradiation angle is adjusted.

The second step is that: the moving block 7 is slid forwards and backwards, so that the upward inclination angle of the projection device 1 is higher, and the arrangement is better and convenient to adjust.

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. Multi-functional teaching projection arrangement, including projection equipment (1), its characterized in that: the utility model discloses a projection device, including projection device (1), camera lens (4) are fixed to the place ahead wall fixed mounting of projection device (1), cup joint lid (5) that can take off on the outer wall of camera lens (4), spout (6) have been seted up to the below wall of projection device (1), the below wall fixed mounting of projection device (1) has riser (2), it has fly leaf (3) that can turn from top to bottom to articulate on the place ahead wall of riser (2), the below of projection device (1) is provided with movable block (7), set up screw hole (8) on movable block (7), the threaded connection of screw hole (8) has screw thread post (9), the rear wall fixed mounting of riser (2) has sloping block (11).

2. The multifunctional teaching projection device of claim 1, wherein: the cover (5) is a circular block, the interior of the cover (5) is of a hollow structure, and the hollow part in the cover (5) penetrates through the rear wall surface of the cover (5).

3. The multifunctional teaching projection device of claim 1, wherein: the sliding groove (6) is a rectangular groove, the vertical block (2) is a rectangular block, the length of the vertical block (2) is the same as the width of the projection equipment (1), and the rear wall surface of the vertical block (2) is flush with the rear wall surface of the projection equipment (1).

4. The multifunctional teaching projection device of claim 1, wherein: the movable plate (3) is a rectangular block, the width of the movable plate (3) is the same as the length of the vertical block (2), and the bottom wall surface of the movable plate (3) is flush with the bottom wall surface of the vertical block (2).

5. The multifunctional teaching projection device of claim 1, wherein: the cross section of the moving block (7) is an L-shaped block, the moving block (7) is located between the projection device (1) and the movable plate (3), a connecting block (10) is fixedly mounted at the upper end of the moving block (7), the connecting block (10) is matched with the sliding groove (6), and the connecting block (10) is movably connected with the sliding groove (6).

6. The multifunctional teaching projection device of claim 1, wherein: the inclined block (11) is a block which gradually inclines upwards from front to back.