CN217305692U

CN217305692U - Projection arrangement is used in teaching

Info

Publication number: CN217305692U
Application number: CN202220289809.0U
Authority: CN
Inventors: 王继芳
Original assignee: Jilin Huade Environmental Protection Classroom Technology Co ltd
Current assignee: Jilin Huade Environmental Protection Classroom Technology Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-08-26
Anticipated expiration: 2032-02-14

Abstract

The utility model belongs to the technical field of the teaching equipment, especially, be a projection arrangement is used in teaching, which comprises a supporting frame, the inboard of support frame is provided with the telescopic link, the outside swing joint of telescopic link has the pendulum rod, the outside swing joint of pendulum rod has the sliding sleeve, the outside swing joint of sliding sleeve has the trace, the outside swing joint of trace has the fixed plate, the outside of fixed plate is provided with the gyro wheel, the inboard of support frame is provided with the spout, the outside fixedly connected with baffle of fixed plate, the inside swing joint of fixed plate has the pivot, the outside fixedly connected with carousel of pivot, the outside fixedly connected with locating lever of carousel, the outside swing joint of fixed plate has special-shaped rod. The utility model discloses a support frame, telescopic link, pendulum rod, sliding sleeve, trace, fixed plate, gyro wheel, spout, baffle can be so that when the projecting apparatus does not use, reduce the dust and in the adhering to on camera lens surface, and then reduce the influence of dust to the projection picture definition.

Description

Projection arrangement is used in teaching

Technical Field

The utility model relates to a teaching equipment technical field specifically is a projection arrangement is used in teaching.

Background

The multimedia teaching is that in the teaching process, according to the characteristics of a teaching target and a teaching object, modern teaching media are reasonably selected and applied through teaching design, and are organically combined with the traditional teaching means to jointly participate in the whole teaching process, and various media information acts on students to form a reasonable teaching process structure so as to achieve the optimized teaching effect. In the teaching process, a projector is needed, the projector is an optical instrument which utilizes an optical element to amplify the outline of a workpiece and projects the workpiece onto a shadow screen, and the projector is also a very common teaching aid.

The prior art has the following problems:

1. when the existing projection equipment is not used, a lens of a projector is usually exposed outside, so that dust in the air can be attached to the surface of the lens, the definition of a picture projected by the lens of the projector is further reduced, and the watching of students on the projection content can be influenced;

2. dust is attached to the surface of the lens of the projector, so that impurities in the air are easily adhered to the surface of the lens, the projected picture is stained, the teaching quality is affected, the projection device is generally suspended on the ceiling of a classroom through a suspension rod, and workers are difficult to clean the lens.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a projection arrangement is used in teaching has solved the current projection equipment that exists now and when using, and the camera lens exposes makes dust or impurity in the air attach to its surface outward, and then causes the influence to the projected picture quality of camera lens to the projecting apparatus is fixed in the eminence, and the staff clears up more troublesome problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a projection arrangement is used in teaching, includes the support frame, the inboard of support frame is provided with the telescopic link, the outside swing joint of telescopic link has the pendulum rod, the outside swing joint of pendulum rod has the sliding sleeve, the outside swing joint of sliding sleeve has the trace, the outside swing joint of trace has the fixed plate, the outside of fixed plate is provided with the gyro wheel, the inboard of support frame is provided with the spout, the outside fixedly connected with baffle of fixed plate, the inside swing joint of fixed plate has the pivot, the outside fixedly connected with carousel of pivot, the outside fixedly connected with locating lever of carousel, the outside swing joint of fixed plate has the dysmorphism pole, the outside swing joint of fixed plate has the connecting rod, the outside fixedly connected with fixed block of connecting rod.

As a preferred technical scheme of the utility model, the inboard swing joint of support frame has two pendulum rods, the specification and size of pendulum rod and the phase-match of trace, the specification and size of sliding sleeve and the phase-match of pendulum rod, trace, fixed plate swing joint is in the inboard of support frame.

As a preferred technical scheme of the utility model, gyro wheel swing joint is in the inboard of spout, the specification and size of baffle and the phase-match of projecting apparatus camera lens, the outside fixedly connected with drive power supply of pivot, drive power supply fixed connection is in the outside of fixed plate.

As a preferred technical scheme of the utility model, the position of dysmorphism pole and the corresponding of carousel, the specification and size of dysmorphism pole and the phase-match of locating lever, the surface of dysmorphism pole is seted up flutedly, the outside fixedly connected with auxiliary rod of connecting rod, the specification and size of auxiliary rod and the phase-match of recess.

As a preferred technical scheme of the utility model, the specification and size of fixed block and the phase-match of locating lever, the outside of connecting rod is provided with clean pole, the position of clean pole and the corresponding of baffle.

Compared with the prior art, the utility model provides a projection arrangement is used in teaching possesses following beneficial effect:

1. this projection arrangement is used in teaching, pass through the support frame, the telescopic link, the pendulum rod, the sliding sleeve, the trace, the fixed plate, the gyro wheel, the spout, the baffle makes when the projecting apparatus does not use, the telescopic link stretches out and makes the pendulum rod motion, the pendulum rod motion makes the trace motion under the effect of sliding sleeve, the trace motion drives the fixed plate motion, the fixed plate motion makes the gyro wheel move in the spout, and then restrict the motion of fixed plate, the fixed plate motion drives the baffle motion, and then the baffle motion shelters from the projecting apparatus camera lens, when the projecting apparatus does not use like this, can reduce the dust and adhere to on the camera lens surface, and then reduce the influence of dust to projection picture definition.

2. The projection device for teaching comprises a fixed plate, a baffle plate, a rotating shaft, a rotating disc, a positioning rod, a special-shaped rod, a connecting rod and a fixed block, wherein when the surface of a lens needs to be cleaned, the fixed plate moves to drive the baffle plate to move to the lens of a projector, the rotating shaft rotates under the drive of a driving power supply, the rotating shaft rotates to drive the rotating disc to rotate, the rotating disc rotates to drive the positioning rod to move, when the positioning rod moves to be in contact with the special-shaped rod, the positioning rod moves to drive the special-shaped rod to move, the special-shaped rod moves to drive the connecting rod to move under the matching action of a groove and an auxiliary rod, the connecting rod moves to drive a cleaning rod to clean the lens, when the positioning rod moves to be in contact with the fixed block, the positioning rod moves to drive the fixed block to move, the fixed block moves to drive the connecting rod to move, the direction of the connecting rod is opposite to the direction of the special-shaped rod when the connecting rod drives the connecting rod to move, so that dust or impurities attached to the surface of the lens can be cleaned, thereby avoiding the dust or impurities from influencing the normal use of the projector.

Drawings

Fig. 1 is a three-dimensional schematic view of the present invention;

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

fig. 3 is a schematic view of the cleaning structure of the present invention.

In the figure: 1. a support frame; 2. a telescopic rod; 3. a swing rod; 4. a sliding sleeve; 5. a linkage rod; 6. a fixing plate; 7. a roller; 8. a chute; 9. a baffle plate; 10. a rotating shaft; 11. a turntable; 12. positioning a rod; 13. a profiled bar; 14. a connecting rod; 15. and (5) fixing blocks.

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, in this embodiment: a projection device for teaching comprises a support frame 1, which supports and fixes other structures, a telescopic rod 2 is arranged at the inner side of the support frame 1, so that a swing rod 3 moves, the outer part of the telescopic rod 2 is movably connected with the swing rod 3, a linkage rod 5 is driven to move under the action of the sliding sleeve 4, the outer part of the swing rod 3 is movably connected with a sliding sleeve 4, the movement of the swing rod 3 and the linkage rod 5 is limited, the outer part of the sliding sleeve 4 is movably connected with the linkage rod 5, a fixing plate 6 is driven to move, the outer part of the linkage rod 5 is movably connected with the fixing plate 6, other structures are supported and fixed, a roller 7 is arranged at the outer side of the fixing plate 6, the roller 7 is matched with the sliding groove 8 to limit the movement of the fixing plate 6, a sliding groove 8 is arranged at the inner side of the support frame 1, the roller 7 is matched with the roller to limit the movement of the fixing plate 6, a baffle 9 is fixedly connected at the outer part of the fixing plate 6, and dust is reduced to be attached to the surface of a lens, the inside swing joint of fixed plate 6 has pivot 10, it rotates to drive carousel 11, the outside fixedly connected with carousel 11 of pivot 10, it moves to drive locating lever 12, the outside fixedly connected with locating lever 12 of carousel 11, and dysmorphism pole 13, the cooperation of fixed block 15 makes connecting rod 14 move, the outside swing joint of fixed plate 6 has dysmorphism pole 13, make connecting rod 14 move with the cooperation of locating lever 12, the outside swing joint of fixed plate 6 has connecting rod 14, make cleaning rod reciprocating motion, the outside fixedly connected with fixed block 15 of connecting rod 14, make connecting rod 14 move with the cooperation of locating lever 12.

In the embodiment, the inner side of the support frame 1 is movably connected with two swing rods 3, the specification and the size of the swing rods 3 are matched with those of the linkage rod 5, the specification and the size of the sliding sleeve 4 are matched with those of the swing rods 3 and the linkage rod 5, and the fixed plate 6 is movably connected with the inner side of the support frame 1, so that the position of the fixed plate 6 is changed; the roller 7 is movably connected to the inner side of the sliding chute 8, the specification and the size of the baffle 9 are matched with those of a projector lens, the outer part of the rotating shaft 10 is fixedly connected with a driving power supply, and the driving power supply is fixedly connected to the outer side of the fixing plate 6 to limit the movement of the fixing plate 6; the position of the special-shaped rod 13 corresponds to that of the rotary table 11, the specification size of the special-shaped rod 13 is matched with that of the positioning rod 12, a groove is formed in the surface of the special-shaped rod 13, an auxiliary rod is fixedly connected to the outer side of the connecting rod 14, and the specification size of the auxiliary rod is matched with that of the groove, so that the connecting rod 14 moves; the specification and size of the fixing block 15 are matched with those of the positioning rod 12, and a cleaning rod is arranged outside the connecting rod 14 and corresponds to the baffle 9 in position, so that the cleaning rod moves to clean the lens.

The utility model discloses a theory of operation and use flow: when the projector is not used, the telescopic rod 2 extends out to enable the swing rod 3 to move, the swing rod 3 moves to enable the linkage rod 5 to move under the action of the sliding sleeve 4, the linkage rod 5 moves to drive the fixing plate 6 to move, the fixing plate 6 moves to enable the roller 7 to move in the sliding groove 8, the movement of the fixing plate 6 is further limited, the fixing plate 6 moves to drive the baffle 9 to move, and the baffle 9 moves to shield the lens of the projector, so that when the projector is not used, the adhesion of dust on the surface of the lens can be reduced, the influence of the dust on the definition of a projection picture can be reduced, meanwhile, when the surface of the lens needs to be cleaned, when the baffle 9 is driven by the movement of the fixing plate 6 to move to the lens of the projector, the rotating shaft 10 rotates under the driving of the driving power supply, the rotating shaft 10 rotates to drive the rotating disc 11 to rotate to drive the positioning rod 12 to move, and when the positioning rod 12 moves to be in contact with the special-shaped rod 13, positioning rod 12 moves and drives dysmorphism pole 13 motion, dysmorphism pole 13 moves and drives connecting rod 14 motion under recess and auxiliary rod complex effect, connecting rod 14 motion drives clean pole and clears up the camera lens, and when positioning rod 12 moved and fixed block 15 contact, positioning rod 12 moves and drives fixed block 15 motion, fixed block 15 motion drives connecting rod 14 motion, the direction of connecting rod 14 motion and the opposite direction when dysmorphism pole 13 drives connecting rod 14 motion this moment, can clear up lens surface adnexed dust or impurity like this, and then avoid dust or impurity to exist the normal use that influences the projecting apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a projection arrangement is used in teaching, includes support frame (1), its characterized in that: the inner side of the support frame (1) is provided with a telescopic rod (2), the outer part of the telescopic rod (2) is movably connected with a swing rod (3), the outer part of the swing rod (3) is movably connected with a sliding sleeve (4), the outer part of the sliding sleeve (4) is movably connected with a linkage rod (5), the outer part of the linkage rod (5) is movably connected with a fixed plate (6), the outer side of the fixed plate (6) is provided with a roller (7), the inner side of the support frame (1) is provided with a sliding chute (8), the outer part of the fixed plate (6) is fixedly connected with a baffle (9), the inner part of the fixed plate (6) is movably connected with a rotating shaft (10), the outer part of the rotating shaft (10) is fixedly connected with a rotating disc (11), the outer side of the rotating disc (11) is fixedly connected with a positioning rod (12), the outer side of the fixed plate (6) is movably connected with a special-shaped rod (13), the outer side of the fixing plate (6) is movably connected with a connecting rod (14), and the outer part of the connecting rod (14) is fixedly connected with a fixing block (15).

2. A projection device for teaching as claimed in claim 1, wherein: the utility model discloses a support frame, including support frame (1), the inboard swing joint of support frame (1) has two pendulum rods (3), the specification and size of pendulum rod (3) and the phase-match of trace (5), the specification and size of sliding sleeve (4) and the phase-match of pendulum rod (3), trace (5), fixed plate (6) swing joint is in the inboard of support frame (1).

3. A projection device for teaching as claimed in claim 1, wherein: gyro wheel (7) swing joint is in the inboard of spout (8), the specification and size of baffle (9) and the phase-match of projecting apparatus camera lens, the outside fixedly connected with drive power supply of pivot (10), drive power supply fixed connection is in the outside of fixed plate (6).

4. A projection device for teaching as claimed in claim 1, wherein: the position of dysmorphism pole (13) and the correspondence of carousel (11), the specification and size of dysmorphism pole (13) and the phase-match of locating lever (12), the surface of dysmorphism pole (13) is seted up flutedly, the outside fixedly connected with auxiliary rod of connecting rod (14), the specification and size of auxiliary rod and the phase-match of recess.

5. A projection device for teaching as claimed in claim 1, wherein: the specification and size of the fixing block (15) are matched with those of the positioning rod (12), a cleaning rod is arranged outside the connecting rod (14), and the position of the cleaning rod corresponds to that of the baffle (9).